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annotate core/src/luan/impl/LuanParser.java @ 650:d658eab7bf4c

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finish compiling operators
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 31 Mar 2016 22:43:51 -0600
parents 37f0cf43f191
children 140cc5191b7a
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diff changeset
1 package luan.impl;
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2
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3 import java.util.Set;
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4 import java.util.HashSet;
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5 import java.util.Arrays;
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6 import java.util.List;
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7 import java.util.ArrayList;
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8 import java.util.Scanner;
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9 import luan.Luan;
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10 import luan.LuanState;
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11 import luan.LuanTable;
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12 import luan.modules.PackageLuan;
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9ef0fd711101 start LuaParser
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15 final class LuanParser {
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17 private static final class Frame {
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18 final Frame parent;
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19 final List<String> symbols = new ArrayList<String>();
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20 int stackSize = 0;
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21 int loops = 0;
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22 boolean isVarArg = false;
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23 final List<String> upValueSymbols = new ArrayList<String>();
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24 final List<UpValue.Getter> upValueGetters = new ArrayList<UpValue.Getter>();
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25
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26 Frame(LuanTable java) {
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27 this.parent = null;
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28 upValueSymbols.add(JAVA);
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29 upValueGetters.add(new UpValue.ValueGetter(java));
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30 }
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32 Frame(Frame parent) {
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33 this.parent = parent;
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34 if( upValueIndex(JAVA) != 0 )
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35 throw new RuntimeException();
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36 }
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37
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38 int stackIndex(String name) {
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39 int i = symbols.size();
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40 while( --i >= 0 ) {
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41 if( symbols.get(i).equals(name) )
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42 return i;
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43 }
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44 return -1;
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45 }
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46
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47 int upValueIndex(String name) {
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48 int i = upValueSymbols.size();
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49 while( --i >= 0 ) {
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50 if( upValueSymbols.get(i).equals(name) )
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51 return i;
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52 }
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53 if( parent==null )
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54 return -1;
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55 i = parent.stackIndex(name);
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56 if( i != -1 ) {
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57 upValueGetters.add(new UpValue.StackGetter(i));
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58 } else {
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59 i = parent.upValueIndex(name);
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60 if( i == -1 )
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61 return -1;
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62 upValueGetters.add(new UpValue.NestedGetter(i));
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63 }
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64 upValueSymbols.add(name);
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65 return upValueSymbols.size() - 1;
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66 }
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68 void addUpValueGetter(String name,UpValue.Getter upValueGetter) {
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69 upValueSymbols.add(name);
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70 upValueGetters.add(upValueGetter);
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71 }
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72 }
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73
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74 private static class In {
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75 static final In NOTHING = new In(false,false);
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77 final boolean parens;
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78 final boolean template;
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80 private In(boolean parens,boolean template) {
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81 this.parens = parens;
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82 this.template = template;
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83 }
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84
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85 In parens() {
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86 return parens ? this : new In(true,false);
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87 }
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88
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89 In template() {
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90 return template ? this : new In(false,true);
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91 }
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92 }
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93
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94 private static final String JAVA = "-JAVA-"; // inaccessible from Luan
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95 private static final String _ENV = "_ENV";
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96 private static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0];
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97
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98 // final LuanSource source;
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99 private Frame frame;
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100 private final Parser parser;
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101
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102 LuanParser(String sourceName,String sourceText,LuanTable env) {
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103 // this.source = source;
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104 this.frame = new Frame( env!=null ? env : new LuanTable() );
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105 this.parser = new Parser(sourceName,sourceText);
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106 if( env != null )
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107 addVar(_ENV,env);
108
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108 }
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109
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110 void addVar(String name,Object value) {
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111 frame.addUpValueGetter(name,new UpValue.ValueGetter(value));
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112 }
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113
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114 private List<String> symbols() {
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115 return frame.symbols;
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116 }
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117
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118 private int symbolsSize() {
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119 return frame.symbols.size();
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120 }
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121
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122 private void addSymbol(String name) {
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123 frame.symbols.add(name);
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124 if( frame.stackSize < symbolsSize() )
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125 frame.stackSize = symbolsSize();
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126 }
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127
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128 private void addSymbols(List<String> names) {
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129 frame.symbols.addAll(names);
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130 if( frame.stackSize < symbolsSize() )
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131 frame.stackSize = symbolsSize();
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132 }
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133
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134 private int stackIndex(String name) {
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135 return frame.stackIndex(name);
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136 }
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137
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138 private void popSymbols(int n) {
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139 List<String> symbols = frame.symbols;
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140 while( n-- > 0 ) {
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141 symbols.remove(symbols.size()-1);
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142 }
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143 }
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144
104
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145 private int upValueIndex(String name) {
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146 return frame.upValueIndex(name);
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147 }
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148
104
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149 private void incLoops() {
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150 frame.loops++;
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151 }
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152
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153 private void decLoops() {
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154 frame.loops--;
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155 }
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156
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157 private <T> T required(T t) throws ParseException {
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158 if( t==null )
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159 throw parser.exception();
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160 return t;
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161 }
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162
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163 private <T> T required(T t,String msg) throws ParseException {
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164 if( t==null )
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165 throw parser.exception(msg);
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166 return t;
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167 }
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168
154
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169 private static Expr expr(Expressions exprs) {
200
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170 if( exprs==null )
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171 return null;
154
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172 if( exprs instanceof Expr )
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173 return (Expr)exprs;
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174 return new ExpressionsExpr(exprs);
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175 }
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176
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177 private FnDef newFnDef(int start,Stmt stmt) {
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178 return new FnDef( stmt, frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) );
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179 }
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180
158
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181 FnDef Expression() throws ParseException {
129
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182 Spaces(In.NOTHING);
104
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183 int start = parser.begin();
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184 Expressions expr = exp(ExprZ(In.NOTHING));
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185 if( expr != null && parser.endOfInput() ) {
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186 Stmt stmt = new ReturnStmt( expr );
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187 return parser.success(newFnDef(start,stmt));
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188 }
108
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189 return parser.failure(null);
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190 }
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191
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192 FnDef RequiredModule() throws ParseException {
129
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193 Spaces(In.NOTHING);
108
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194 int start = parser.begin();
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195 frame.isVarArg = true;
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196 Stmt stmt = RequiredBlock();
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197 if( parser.endOfInput() )
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198 return parser.success(newFnDef(start,stmt));
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199 throw parser.exception();
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200 }
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201
104
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202 private Stmt RequiredBlock() throws ParseException {
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203 List<Stmt> stmts = new ArrayList<Stmt>();
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204 int stackStart = symbolsSize();
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205 Stmt(stmts);
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206 while( StmtSep(stmts) ) {
129
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diff changeset
207 Spaces(In.NOTHING);
104
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diff changeset
208 Stmt(stmts);
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209 }
21
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210 int stackEnd = symbolsSize();
19
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211 popSymbols( stackEnd - stackStart );
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212 if( stmts.isEmpty() )
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213 return Stmt.EMPTY;
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214 if( stmts.size()==1 && stackStart==stackEnd )
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215 return stmts.get(0);
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216 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd );
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217 }
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218
104
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219 private boolean StmtSep(List<Stmt> stmts) throws ParseException {
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220 parser.begin();
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221 if( parser.match( ';' ) )
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222 return parser.success();
157
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223 if( EndOfLine() )
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224 return parser.success();
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225 parser.rollback();
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226 Stmt stmt = TemplateStmt();
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227 if( stmt != null ) {
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228 stmts.add(stmt);
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229 return parser.success();
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230 }
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231 return parser.failure();
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232 }
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233
104
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234 private boolean EndOfLine() {
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235 return parser.match( "\r\n" ) || parser.match( '\r' ) || parser.match( '\n' );
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236 }
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237
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238 private void Stmt(List<Stmt> stmts) throws ParseException {
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239 if( LocalStmt(stmts) )
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240 return;
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241 Stmt stmt;
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242 if( (stmt=ReturnStmt()) != null
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243 || (stmt=FunctionStmt()) != null
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244 || (stmt=LocalFunctionStmt()) != null
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245 || (stmt=BreakStmt()) != null
127
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246 || (stmt=ForStmt()) != null
104
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247 || (stmt=DoStmt()) != null
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248 || (stmt=WhileStmt()) != null
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249 || (stmt=RepeatStmt()) != null
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250 || (stmt=IfStmt()) != null
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251 || (stmt=SetStmt()) != null
159
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252 || (stmt=ExpressionsStmt()) != null
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253 ) {
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254 stmts.add(stmt);
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255 }
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256 }
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257
157
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258 private Stmt TemplateStmt() throws ParseException {
645
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259 parser.currentIndex();
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260 Expressions exprs = TemplateExpressions(In.NOTHING);
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261 if( exprs == null )
157
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262 return null;
645
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263 FnCall requireCall = new FnCall( new ConstExpr(PackageLuan.requireFn), new ConstExpr("luan:Io") );
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264 Expr stdoutExp = new IndexExpr( expr(requireCall), new ConstExpr("stdout") );
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265 Expr writeExp = new IndexExpr( stdoutExp, new ConstExpr("write") );
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266 FnCall writeCall = new FnCall( writeExp, exprs );
369
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267 return new ExpressionsStmt(writeCall);
157
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268 }
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269
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270 private Expressions TemplateExpressions(In in) throws ParseException {
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271 if( in.template )
129
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272 return null;
104
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273 int start = parser.begin();
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274 if( !parser.match( "%>" ) )
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275 return parser.failure(null);
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276 EndOfLine();
157
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277 In inTemplate = in.template();
154
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278 List<Expressions> builder = new ArrayList<Expressions>();
104
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279 while(true) {
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280 if( parser.match( "<%=" ) ) {
157
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281 Spaces(inTemplate);
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282 builder.add( exp(RequiredExpr(inTemplate)) );
104
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283 RequiredMatch( "%>" );
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284 } else if( parser.match( "<%" ) ) {
157
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285 Spaces(inTemplate);
154
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286 return parser.success(ExpList.build(builder));
104
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287 } else {
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288 int i = parser.currentIndex();
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289 do {
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290 if( parser.match( "%>" ) )
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291 throw parser.exception("'%>' unexpected");
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292 if( !parser.anyChar() )
157
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293 throw parser.exception("Unclosed template expression");
104
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294 } while( !parser.test( "<%" ) );
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295 String match = parser.textFrom(i);
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296 builder.add( new ConstExpr(match) );
104
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297 }
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298 }
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299 }
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300
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diff changeset
301 private Stmt ReturnStmt() throws ParseException {
645
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diff changeset
302 parser.begin();
129
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diff changeset
303 if( !Keyword("return",In.NOTHING) )
104
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304 return parser.failure(null);
129
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diff changeset
305 Expressions exprs = ExpList(In.NOTHING);
104
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diff changeset
306 if( exprs==null )
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diff changeset
307 exprs = ExpList.emptyExpList;
645
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diff changeset
308 return parser.success( new ReturnStmt(exprs) );
104
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309 }
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diff changeset
310
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311 private Stmt FunctionStmt() throws ParseException {
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312 parser.begin();
129
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313 if( !Keyword("function",In.NOTHING) )
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314 return parser.failure(null);
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315
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316 parser.currentIndex();
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317 Var var = nameVar(RequiredName(In.NOTHING));
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318 while( parser.match( '.' ) ) {
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319 Spaces(In.NOTHING);
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320 Expr exp = NameExpr(In.NOTHING);
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321 if( exp==null )
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322 return parser.failure(null);
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323 var = indexVar( expr(var.expr()), exp );
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324 }
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325 Settable fnName = var.settable();
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326
129
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327 FnDef fnDef = RequiredFunction(In.NOTHING);
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328 return parser.success( new SetStmt(fnName,fnDef) );
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329 }
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330
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331 private Stmt LocalFunctionStmt() throws ParseException {
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332 parser.begin();
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333 if( !(Keyword("local",In.NOTHING) && Keyword("function",In.NOTHING)) )
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334 return parser.failure(null);
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335 String name = RequiredName(In.NOTHING);
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336 addSymbol( name );
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337 FnDef fnDef = RequiredFunction(In.NOTHING);
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338 return parser.success( new SetStmt( new SetLocalVar(symbolsSize()-1), fnDef ) );
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339 }
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340
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341 private Stmt BreakStmt() throws ParseException {
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342 parser.begin();
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343 if( !Keyword("break",In.NOTHING) )
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344 return parser.failure(null);
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345 if( frame.loops <= 0 )
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346 throw parser.exception("'break' outside of loop");
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347 return parser.success( new BreakStmt() );
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348 }
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349
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350 private Stmt ForStmt() throws ParseException {
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351 parser.begin();
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352 int stackStart = symbolsSize();
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353 if( !Keyword("for",In.NOTHING) )
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354 return parser.failure(null);
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355 List<String> names = RequiredNameList(In.NOTHING);
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356 if( !Keyword("in",In.NOTHING) )
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357 return parser.failure(null);
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358 Expr expr = expr(exp(RequiredExpr(In.NOTHING)));
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359 RequiredKeyword("do",In.NOTHING);
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360 addSymbols(names);
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361 Stmt loop = RequiredLoopBlock();
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362 RequiredKeyword("end",In.NOTHING);
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363 Stmt stmt = new ForStmt( stackStart, symbolsSize() - stackStart, expr, loop );
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364 popSymbols( symbolsSize() - stackStart );
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365 return parser.success(stmt);
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366 }
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367
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368 private Stmt DoStmt() throws ParseException {
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369 parser.begin();
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370 if( !Keyword("do",In.NOTHING) )
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371 return parser.failure(null);
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372 Stmt stmt = RequiredBlock();
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373 RequiredKeyword("end",In.NOTHING);
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374 return parser.success(stmt);
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375 }
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376
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377 private boolean LocalStmt(List<Stmt> stmts) throws ParseException {
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378 parser.begin();
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379 if( !Keyword("local",In.NOTHING) )
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380 return parser.failure();
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381 List<String> names = NameList(In.NOTHING);
356
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382 if( names==null ) {
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383 if( Keyword("function",In.NOTHING) )
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384 return parser.failure(); // handled later
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385 throw parser.exception("Invalid local statement");
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386 }
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387 if( parser.match( '=' ) ) {
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388 Spaces(In.NOTHING);
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389 Expressions values = ExpList(In.NOTHING);
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390 if( values==null )
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391 throw parser.exception("Expressions expected");
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392 SetLocalVar[] vars = new SetLocalVar[names.size()];
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393 int stackStart = symbolsSize();
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394 for( int i=0; i<vars.length; i++ ) {
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395 vars[i] = new SetLocalVar(stackStart+i);
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396 }
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397 stmts.add( new SetStmt( vars, values ) );
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398 }
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399 addSymbols(names);
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400 return parser.success();
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401 }
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diff changeset
402
129
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403 private List<String> RequiredNameList(In in) throws ParseException {
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404 parser.begin();
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405 List<String> names = NameList(in);
104
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406 if( names==null )
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407 throw parser.exception("Name expected");
104
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408 return parser.success(names);
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409 }
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diff changeset
410
129
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411 private List<String> NameList(In in) throws ParseException {
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412 String name = Name(in);
104
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413 if( name==null )
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414 return null;
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diff changeset
415 List<String> names = new ArrayList<String>();
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416 names.add(name);
139
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diff changeset
417 while( (name=anotherName(in)) != null ) {
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parents: 137
diff changeset
418 names.add(name);
104
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419 }
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420 return names;
21
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421 }
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422
139
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parents: 137
diff changeset
423 private String anotherName(In in) throws ParseException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 137
diff changeset
424 parser.begin();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 137
diff changeset
425 if( !parser.match( ',' ) )
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parents: 137
diff changeset
426 return parser.failure(null);
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parents: 137
diff changeset
427 Spaces(in);
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parents: 137
diff changeset
428 String name = Name(in);
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parents: 137
diff changeset
429 if( name==null )
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parents: 137
diff changeset
430 return parser.failure(null);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 137
diff changeset
431 return parser.success(name);
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parents: 137
diff changeset
432 }
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diff changeset
433
104
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diff changeset
434 private Stmt WhileStmt() throws ParseException {
645
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435 parser.begin();
129
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diff changeset
436 if( !Keyword("while",In.NOTHING) )
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437 return parser.failure(null);
650
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438 Expr cnd = expr(exp(RequiredExpr(In.NOTHING)));
129
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439 RequiredKeyword("do",In.NOTHING);
104
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diff changeset
440 Stmt loop = RequiredLoopBlock();
129
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diff changeset
441 RequiredKeyword("end",In.NOTHING);
645
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442 return parser.success( new WhileStmt(cnd,loop) );
104
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diff changeset
443 }
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diff changeset
444
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diff changeset
445 private Stmt RepeatStmt() throws ParseException {
645
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diff changeset
446 parser.begin();
129
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diff changeset
447 if( !Keyword("repeat",In.NOTHING) )
104
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diff changeset
448 return parser.failure(null);
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parents: 99
diff changeset
449 Stmt loop = RequiredLoopBlock();
129
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diff changeset
450 RequiredKeyword("until",In.NOTHING);
650
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451 Expr cnd = expr(exp(RequiredExpr(In.NOTHING)));
645
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diff changeset
452 return parser.success( new RepeatStmt(loop,cnd) );
21
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parents: 20
diff changeset
453 }
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diff changeset
454
104
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diff changeset
455 private Stmt RequiredLoopBlock() throws ParseException {
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parents: 99
diff changeset
456 incLoops();
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parents: 99
diff changeset
457 Stmt stmt = RequiredBlock();
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parents: 99
diff changeset
458 decLoops();
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parents: 99
diff changeset
459 return stmt;
21
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parents: 20
diff changeset
460 }
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diff changeset
461
104
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diff changeset
462 private Stmt IfStmt() throws ParseException {
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parents: 99
diff changeset
463 parser.begin();
129
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diff changeset
464 if( !Keyword("if",In.NOTHING) )
104
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diff changeset
465 return parser.failure(null);
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parents: 99
diff changeset
466 return parser.success( IfStmt2() );
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parents: 99
diff changeset
467 }
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parents: 99
diff changeset
468
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parents: 99
diff changeset
469 private Stmt IfStmt2() throws ParseException {
645
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diff changeset
470 parser.currentIndex();
650
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diff changeset
471 Expr cnd = expr(exp(RequiredExpr(In.NOTHING)));
129
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diff changeset
472 RequiredKeyword("then",In.NOTHING);
104
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diff changeset
473 Stmt thenBlock = RequiredBlock();
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diff changeset
474 Stmt elseBlock;
129
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diff changeset
475 if( Keyword("elseif",In.NOTHING) ) {
104
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diff changeset
476 elseBlock = IfStmt2();
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diff changeset
477 } else {
129
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diff changeset
478 elseBlock = Keyword("else",In.NOTHING) ? RequiredBlock() : Stmt.EMPTY;
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diff changeset
479 RequiredKeyword("end",In.NOTHING);
104
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diff changeset
480 }
645
859c0dedc8b6 remove LuanSource
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diff changeset
481 return new IfStmt(cnd,thenBlock,elseBlock);
20
d85510d92eee add BreakStmt
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parents: 19
diff changeset
482 }
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parents: 19
diff changeset
483
104
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diff changeset
484 private Stmt SetStmt() throws ParseException {
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parents: 99
diff changeset
485 parser.begin();
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parents: 99
diff changeset
486 List<Settable> vars = new ArrayList<Settable>();
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diff changeset
487 Settable s = SettableVar();
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parents: 99
diff changeset
488 if( s == null )
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diff changeset
489 return parser.failure(null);
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diff changeset
490 vars.add(s);
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diff changeset
491 while( parser.match( ',' ) ) {
129
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diff changeset
492 Spaces(In.NOTHING);
104
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diff changeset
493 s = SettableVar();
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diff changeset
494 if( s == null )
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diff changeset
495 return parser.failure(null);
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diff changeset
496 vars.add(s);
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parents: 99
diff changeset
497 }
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diff changeset
498 if( !parser.match( '=' ) )
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diff changeset
499 return parser.failure(null);
129
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diff changeset
500 Spaces(In.NOTHING);
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diff changeset
501 Expressions values = ExpList(In.NOTHING);
104
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diff changeset
502 if( values==null )
274
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diff changeset
503 // throw parser.exception("Expressions expected");
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diff changeset
504 return parser.failure(null);
104
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diff changeset
505 return parser.success( new SetStmt( vars.toArray(new Settable[0]), values ) );
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parents: 99
diff changeset
506 }
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parents: 99
diff changeset
507
159
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diff changeset
508 private Stmt ExpressionsStmt() throws ParseException {
104
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diff changeset
509 parser.begin();
650
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parents: 649
diff changeset
510 Expressions exp = exp(ExprZ(In.NOTHING));
649
37f0cf43f191 UnaryExpr now compiled
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parents: 648
diff changeset
511 if( exp instanceof StmtExp )
159
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diff changeset
512 return parser.success( new ExpressionsStmt(exp) );
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parents: 158
diff changeset
513 return parser.failure(null);
104
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diff changeset
514 }
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diff changeset
515
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diff changeset
516 private Settable SettableVar() throws ParseException {
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parents: 99
diff changeset
517 int start = parser.begin();
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
518 Var var = VarZ(In.NOTHING);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
519 if( var==null )
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
520 return parser.failure(null);
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
521 return parser.success( var.settable() );
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
522 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
523
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
524 private ExpString RequiredExpr(In in) throws ParseException {
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
525 parser.begin();
211
284eddd599b1 fix parsing bug
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 209
diff changeset
526 return parser.success(required(ExprZ(in),"Bad expression"));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
527 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
528
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
529 private ExpString ExprZ(In in) throws ParseException {
449
e89bf64a0d05 fix parse error
Franklin Schmidt <fschmidt@gmail.com>
parents: 369
diff changeset
530 return OrExpr(in);
19
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 18
diff changeset
531 }
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 18
diff changeset
532
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
533 private ExpString OrExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
534 parser.begin();
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
535 ExpString exp = AndExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
536 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
537 return parser.failure(null);
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
538 while( Keyword("or",in) ) {
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
539 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
540 ExpString exp2 = required(RelExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
541 String code = "($Luan.cnd($cnd = " + exp.code + ") ? $cnd : (" + exp2.code + "))";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
542 exp = new ExpString(code,true,true);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
543 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
544 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
545 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
546
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
547 private ExpString AndExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
548 parser.begin();
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
549 ExpString exp = RelExpr(in);
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
550 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
551 return parser.failure(null);
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
552 while( Keyword("and",in) ) {
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
553 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
554 ExpString exp2 = required(RelExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
555 String code = "($Luan.cnd($cnd = " + exp.code + ") ? (" + exp2.code + ") : $cnd)";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
556 exp = new ExpString(code,true,true);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
557 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
558 return parser.success(exp);
18
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
559 }
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
560
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
561 private ExpString RelExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
562 parser.begin();
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
563 ExpString exp = ConcatExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
564 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
565 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
566 while(true) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
567 if( parser.match("==") ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
568 Spaces(in);
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
569 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
570 ExpString exp2 = required(ConcatExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
571 String code = "$Luan.eq($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
572 exp = new ExpString(code,true,false);
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
573 } else if( parser.match("~=") ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
574 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
575 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
576 ExpString exp2 = required(ConcatExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
577 String code = "!$Luan.eq($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
578 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
579 } else if( parser.match("<=") ) {
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
580 Spaces(in);
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
581 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
582 ExpString exp2 = required(ConcatExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
583 String code = "$Luan.le($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
584 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
585 } else if( parser.match(">=") ) {
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
586 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
587 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
588 ExpString exp2 = required(ConcatExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
589 String code = "$Luan.le($luan," + exp2.code + "," + exp.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
590 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
591 } else if( parser.match("<") ) {
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
592 Spaces(in);
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
593 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
594 ExpString exp2 = required(ConcatExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
595 String code = "$Luan.lt($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
596 exp = new ExpString(code,true,false);
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
597 } else if( parser.match(">") ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
598 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
599 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
600 ExpString exp2 = required(ConcatExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
601 String code = "$Luan.lt($luan," + exp2.code + "," + exp.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
602 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
603 } else
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
604 break;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
605 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
606 return parser.success(exp);
42
786699c78837 implement try-catch
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parents: 40
diff changeset
607 }
786699c78837 implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
608
650
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parents: 649
diff changeset
609 private ExpString ConcatExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
610 parser.begin();
650
d658eab7bf4c finish compiling operators
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parents: 649
diff changeset
611 ExpString exp = SumExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
612 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
613 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
614 if( parser.match("..") ) {
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
615 Spaces(in);
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
616 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
617 ExpString exp2 = required(ConcatExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
618 String code = "$Luan.concat($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
619 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
620 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
621 return parser.success(exp);
28
df923e5835b2 fix local initial assignment
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 26
diff changeset
622 }
df923e5835b2 fix local initial assignment
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 26
diff changeset
623
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
624 private ExpString SumExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
625 parser.begin();
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
626 ExpString exp = TermExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
627 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
628 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
629 while(true) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
630 if( parser.match('+') ) {
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
631 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
632 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
633 ExpString exp2 = required(TermExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
634 String code = "$Luan.add($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
635 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
636 } else if( Minus() ) {
129
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parents: 128
diff changeset
637 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
638 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
639 ExpString exp2 = required(TermExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
640 String code = "$Luan.sub($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
641 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
642 } else
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
643 break;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
644 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
645 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
646 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
647
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
648 private boolean Minus() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
649 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
650 return parser.match('-') && !parser.match('-') ? parser.success() : parser.failure();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
651 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
652
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
653 private ExpString TermExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
654 parser.begin();
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
655 ExpString exp = UnaryExpr(in);
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
656 if( exp==null )
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
657 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
658 while(true) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
659 if( parser.match('*') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
660 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
661 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
662 ExpString exp2 = required(UnaryExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
663 String code = "$Luan.mul($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
664 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
665 } else if( parser.match('/') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
666 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
667 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
668 ExpString exp2 = required(UnaryExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
669 String code = "$Luan.div($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
670 exp = new ExpString(code,true,false);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
671 } else if( Mod() ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
672 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
673 exp = exp.expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
674 ExpString exp2 = required(UnaryExpr(in)).expr();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
675 String code = "$Luan.mod($luan," + exp.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
676 exp = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
677 } else
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
678 break;
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
679 }
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
680 return parser.success(exp);
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
681 }
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
682
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
683 private boolean Mod() {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
684 parser.begin();
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
685 return parser.match('%') && !parser.match('>') ? parser.success() : parser.failure();
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
686 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
687
649
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
688 private ExpString UnaryExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
689 parser.begin();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
690 if( parser.match('#') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
691 Spaces(in);
649
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
692 ExpString exp = required(UnaryExpr(in)).expr();
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
693 String code = "$Luan.len($luan," + exp.code + ")";
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
694 exp = new ExpString(code,true,false);
648
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
695 return parser.success(exp);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
696 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
697 if( Minus() ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
698 Spaces(in);
649
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
699 ExpString exp = required(UnaryExpr(in)).expr();
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
700 String code = "$Luan.unm($luan," + exp.code + ")";
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
701 exp = new ExpString(code,true,false);
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
702 return parser.success(exp);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
703 }
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
704 if( Keyword("not",in) ) {
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
705 Spaces(in);
649
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
706 ExpString exp = required(UnaryExpr(in)).expr();
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
707 String code = "$Luan.not(" + exp.code + ")";
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
708 exp = new ExpString(code,true,false);
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
709 return parser.success(exp);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
710 }
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
711 ExpString exp = PowExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
712 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
713 return parser.failure(null);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
714 return parser.success(exp);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
715 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
716
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
717 private ExpString PowExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
718 parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
719 Expressions exp = SingleExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
720 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
721 return parser.failure(null);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
722 ExpString exp1 = new ExpString(exp);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
723 if( parser.match('^') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
724 Spaces(in);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
725 ExpString exp2 = required(PowExpr(in));
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
726 String code = "$Luan.pow($luan," + exp1.code + "," + exp2.code + ")";
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
727 exp1 = new ExpString(code,true,false);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
728 }
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
729 return parser.success(exp1);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
730 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
731
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
732 private Expressions SingleExpr(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
733 parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
734 Expressions exp;
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
735 exp = FunctionExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
736 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
737 return parser.success(exp);
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
738 exp = VarExp(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
739 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
740 return parser.success(exp);
449
e89bf64a0d05 fix parse error
Franklin Schmidt <fschmidt@gmail.com>
parents: 369
diff changeset
741 exp = VarArgs(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
742 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
743 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
744 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
745 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
746
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
747 private Expr FunctionExpr(In in) throws ParseException {
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
748 if( !Keyword("function",in) )
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
749 return null;
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
750 return RequiredFunction(in);
20
d85510d92eee add BreakStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
751 }
d85510d92eee add BreakStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
752
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
753 private FnDef RequiredFunction(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
754 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
755 RequiredMatch('(');
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
756 In inParens = in.parens();
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
757 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
758 frame = new Frame(frame);
129
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parents: 128
diff changeset
759 List<String> names = NameList(in);
104
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parents: 99
diff changeset
760 if( names != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
761 addSymbols(names);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
762 if( parser.match(',') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
763 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
764 if( !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
765 throw parser.exception();
254
e0fb8a49e031 add Time.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 247
diff changeset
766 Spaces(inParens);
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
767 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
768 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
769 } else if( parser.match("...") ) {
129
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parents: 128
diff changeset
770 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
771 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
772 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
773 RequiredMatch(')');
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
774 Spaces(in);
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
775 Stmt block = RequiredBlock();
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
776 RequiredKeyword("end",in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
777 FnDef fnDef = newFnDef(start,block);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
778 frame = frame.parent;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
779 return parser.success(fnDef);
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
780 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
781
129
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parents: 128
diff changeset
782 private VarArgs VarArgs(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
783 parser.begin();
104
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parents: 99
diff changeset
784 if( !frame.isVarArg || !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
785 return parser.failure(null);
129
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parents: 128
diff changeset
786 Spaces(in);
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
787 return parser.success( new VarArgs() );
104
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parents: 99
diff changeset
788 }
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parents: 99
diff changeset
789
129
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parents: 128
diff changeset
790 private Expr TableExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
791 parser.begin();
104
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parents: 99
diff changeset
792 if( !parser.match('{') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
793 return parser.failure(null);
604
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parents: 584
diff changeset
794 Spaces(In.NOTHING);
104
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parents: 99
diff changeset
795 List<TableExpr.Field> fields = new ArrayList<TableExpr.Field>();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
796 List<Expressions> builder = new ArrayList<Expressions>();
604
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Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
797 Field(fields,builder);
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
798 while( FieldSep() ) {
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
799 Spaces(In.NOTHING);
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
800 Field(fields,builder);
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
801 }
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
802 Expressions exp = TemplateExpressions(In.NOTHING);
245
2ed8465a9d62 allow TemplateExpressions at end of table constructor
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 211
diff changeset
803 if( exp != null )
2ed8465a9d62 allow TemplateExpressions at end of table constructor
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 211
diff changeset
804 builder.add(exp);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
805 if( !parser.match('}') )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
806 throw parser.exception("Expected table element or '}'");
203
99eef1d0e706 IO security
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parents: 200
diff changeset
807 Spaces(in);
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
808 return parser.success( new TableExpr( fields.toArray(new TableExpr.Field[0]), ExpList.build(builder) ) );
104
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diff changeset
809 }
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parents: 99
diff changeset
810
604
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Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
811 private boolean FieldSep() throws ParseException {
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
812 return parser.anyOf(",;") || EndOfLine();
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
813 }
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parents: 12
diff changeset
814
604
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Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
815 private boolean Field(List<TableExpr.Field> fields,List<Expressions> builder) throws ParseException {
104
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diff changeset
816 parser.begin();
604
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
817 Expr exp = SubExpr(In.NOTHING);
104
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parents: 99
diff changeset
818 if( exp==null )
604
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parents: 584
diff changeset
819 exp = NameExpr(In.NOTHING);
104
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parents: 99
diff changeset
820 if( exp!=null && parser.match('=') ) {
604
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
821 Spaces(In.NOTHING);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
822 fields.add( new TableExpr.Field( exp, required(expr(exp(ExprZ(In.NOTHING)))) ) );
104
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parents: 99
diff changeset
823 return parser.success();
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
824 }
104
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parents: 99
diff changeset
825 parser.rollback();
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
826 Expressions exprs = exp(ExprZ(In.NOTHING));
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
827 if( exprs != null ) {
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
828 builder.add(exprs);
104
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parents: 99
diff changeset
829 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
830 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
831 return parser.failure();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
832 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
833
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
834 private Expressions VarExp(In in) throws ParseException {
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
835 Var var = VarZ(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
836 return var==null ? null : var.expr();
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
837 }
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
838
129
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diff changeset
839 private Var VarZ(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
840 parser.begin();
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
841 Var var = VarStart(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
842 if( var==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
843 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
844 Var var2;
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
845 while( (var2=Var2(in,var.expr())) != null ) {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
846 var = var2;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
847 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
848 return parser.success(var);
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
849 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
850
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
851 private Var VarStart(In in) throws ParseException {
206
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
852 if( parser.match('(') ) {
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
853 In inParens = in.parens();
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
854 Spaces(inParens);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
855 Expr exp = expr(exp(RequiredExpr(inParens)));
206
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
856 RequiredMatch(')');
129
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parents: 128
diff changeset
857 Spaces(in);
206
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
858 return exprVar(exp);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
859 }
206
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
860 String name = Name(in);
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
861 if( name != null )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
862 return nameVar(name);
206
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
863 Expressions exp;
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
864 exp = TableExpr(in);
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
865 if( exp != null )
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
866 return exprVar(exp);
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
867 exp = Literal(in);
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
868 if( exp != null )
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
869 return exprVar(exp);
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
870 return null;
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
871 }
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
872
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
873 private Var Var2(In in,Expressions exp1) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
874 parser.begin();
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
875 Expr exp2 = SubExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
876 if( exp2 != null )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
877 return parser.success(indexVar(expr(exp1),exp2));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
878 if( parser.match('.') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
879 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
880 exp2 = NameExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
881 if( exp2!=null )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
882 return parser.success(indexVar(expr(exp1),exp2));
636
13b390bfed32 parser fixes
Franklin Schmidt <fschmidt@gmail.com>
parents: 604
diff changeset
883 return parser.failure(null);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
884 }
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
885 FnCall fnCall = Args( in, expr(exp1), new ArrayList<Expressions>() );
206
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
886 if( fnCall != null )
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
887 return parser.success(exprVar(fnCall));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
888 return parser.failure(null);
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
889 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
890
503
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
891 private interface Var {
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
892 public Expressions expr() throws ParseException;
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
893 public Settable settable() throws ParseException;
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
894 }
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
895
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
896 private Expr env() {
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
897 int index = stackIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
898 if( index != -1 )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
899 return new GetLocalVar(index);
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
900 index = upValueIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
901 if( index != -1 )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
902 return new GetUpVar(index);
503
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
903 return null;
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
904 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
905
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
906 private Var nameVar(final String name) {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
907 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
908
503
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
909 public Expr expr() throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
910 int index = stackIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
911 if( index != -1 )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
912 return new GetLocalVar(index);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
913 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
914 if( index != -1 )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
915 return new GetUpVar(index);
503
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
916 Expr envExpr = env();
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
917 if( envExpr != null )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
918 return new IndexExpr( envExpr, new ConstExpr(name) );
503
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
919 parser.failure(null);
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
920 throw parser.exception("name '"+name+"' not defined");
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
921 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
922
503
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
923 public Settable settable() throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
924 int index = stackIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
925 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
926 return new SetLocalVar(index);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
927 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
928 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
929 return new SetUpVar(index);
503
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
930 Expr envExpr = env();
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
931 if( envExpr != null )
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
932 return new SetTableEntry( envExpr, new ConstExpr(name) );
503
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
933 parser.failure(null);
92c3d22745b8 make _ENV optional
Franklin Schmidt <fschmidt@gmail.com>
parents: 460
diff changeset
934 throw parser.exception("name '"+name+"' not defined");
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
935 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
936 };
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
937 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
938
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
939 private Var exprVar(final Expressions expr) {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
940 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
941
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
942 public Expressions expr() {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
943 return expr;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
944 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
945
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
946 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
947 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
948 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
949 };
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
950 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
951
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
952 private Var indexVar(final Expr table,final Expr key) {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
953 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
954
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
955 public Expr expr() {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
956 return new IndexExpr( table, key );
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
957 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
958
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
959 public Settable settable() {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
960 return new SetTableEntry(table,key);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
961 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
962 };
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
963 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
964
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
965 private FnCall Args(In in,Expr fn,List<Expressions> builder) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
966 parser.begin();
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
967 return args(in,builder)
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
968 ? parser.success( new FnCall( fn, ExpList.build(builder) ) )
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
969 : parser.failure((FnCall)null);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
970 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
971
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
972 private boolean args(In in,List<Expressions> builder) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
973 parser.begin();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
974 if( parser.match('(') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
975 In inParens = in.parens();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
976 Spaces(inParens);
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
977 ExpList(inParens,builder); // optional
107
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parents: 106
diff changeset
978 if( !parser.match(')') )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
979 throw parser.exception("Expression or ')' expected");
129
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parents: 128
diff changeset
980 Spaces(in);
195
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parents: 193
diff changeset
981 return parser.success();
107
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parents: 106
diff changeset
982 }
129
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parents: 128
diff changeset
983 Expr exp = TableExpr(in);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
984 if( exp != null ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
985 builder.add(exp);
195
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parents: 193
diff changeset
986 return parser.success();
104
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parents: 99
diff changeset
987 }
129
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parents: 128
diff changeset
988 String s = StringLiteral(in);
107
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parents: 106
diff changeset
989 if( s != null ) {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
990 builder.add( new ConstExpr(s) );
195
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
991 return parser.success();
107
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parents: 106
diff changeset
992 }
181
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parents: 180
diff changeset
993 /*
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
994 Expressions exps = TemplateExpressions(in);
107
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parents: 106
diff changeset
995 if( exps != null ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
996 builder.add(exps);
195
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parents: 193
diff changeset
997 return parser.success();
107
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parents: 106
diff changeset
998 }
181
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parents: 180
diff changeset
999 */
195
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parents: 193
diff changeset
1000 return parser.failure();
11
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parents: 9
diff changeset
1001 }
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diff changeset
1002
129
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diff changeset
1003 private Expressions ExpList(In in) throws ParseException {
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
1004 List<Expressions> builder = new ArrayList<Expressions>();
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
1005 return ExpList(in,builder) ? ExpList.build(builder) : null;
104
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parents: 99
diff changeset
1006 }
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parents: 99
diff changeset
1007
154
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parents: 153
diff changeset
1008 private boolean ExpList(In in,List<Expressions> builder) throws ParseException {
104
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parents: 99
diff changeset
1009 parser.begin();
158
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parents: 157
diff changeset
1010 Expressions exp = TemplateExpressions(in);
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parents: 157
diff changeset
1011 if( exp != null ) {
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
1012 builder.add(exp);
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parents: 157
diff changeset
1013 return parser.success();
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parents: 157
diff changeset
1014 }
650
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1015 exp = exp(ExprZ(in));
104
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parents: 99
diff changeset
1016 if( exp==null )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1017 return parser.failure();
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parents: 99
diff changeset
1018 builder.add(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1019 while( parser.match(',') ) {
129
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parents: 128
diff changeset
1020 Spaces(in);
158
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parents: 157
diff changeset
1021 exp = TemplateExpressions(in);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
1022 if( exp != null ) {
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
1023 builder.add(exp);
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
1024 return parser.success();
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parents: 157
diff changeset
1025 }
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1026 builder.add( exp(RequiredExpr(in)) );
104
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parents: 99
diff changeset
1027 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1028 return parser.success();
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
1029 }
600676034a1a add variables and tables
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parents: 8
diff changeset
1030
129
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parents: 128
diff changeset
1031 private Expr SubExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
1032 parser.begin();
209
239c8d650028 convert returned arrays to tables for java methods
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 206
diff changeset
1033 if( !parser.match('[') || parser.test("[") || parser.test("=") )
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1034 return parser.failure(null);
604
b73f005f3735 table constructor now uses end_of_line as a delimiter
Franklin Schmidt <fschmidt@gmail.com>
parents: 584
diff changeset
1035 Spaces(In.NOTHING);
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1036 Expr exp = expr(exp(RequiredExpr(In.NOTHING)));
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1037 RequiredMatch(']');
129
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parents: 128
diff changeset
1038 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1039 return parser.success(exp);
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
1040 }
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
1041
129
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parents: 128
diff changeset
1042 private Expr NameExpr(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
1043 parser.begin();
129
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parents: 128
diff changeset
1044 String name = Name(in);
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1045 if( name==null )
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1046 return parser.failure(null);
645
859c0dedc8b6 remove LuanSource
Franklin Schmidt <fschmidt@gmail.com>
parents: 636
diff changeset
1047 return parser.success(new ConstExpr(name));
54
f5b27ef14d73 add OutputStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 51
diff changeset
1048 }
f5b27ef14d73 add OutputStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 51
diff changeset
1049
129
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parents: 128
diff changeset
1050 private String RequiredName(In in) throws ParseException {
104
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parents: 99
diff changeset
1051 parser.begin();
129
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parents: 128
diff changeset
1052 String name = Name(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1053 if( name==null )
139
3b384dc5ca91 replace WebShell.java with web_shell.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 137
diff changeset
1054 throw parser.exception("Name expected");
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1055 return parser.success(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1056 }
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parents: 99
diff changeset
1057
129
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parents: 128
diff changeset
1058 private String Name(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1059 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1060 if( !NameFirstChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1061 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1062 while( NameChar() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1063 String match = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1064 if( keywords.contains(match) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1065 return parser.failure(null);
129
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parents: 128
diff changeset
1066 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1067 return parser.success(match);
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1068 }
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1069
104
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parents: 99
diff changeset
1070 private boolean NameChar() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1071 return NameFirstChar() || Digit();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1072 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1073
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1074 private boolean NameFirstChar() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1075 return parser.inCharRange('a', 'z') || parser.inCharRange('A', 'Z') || parser.match('_');
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1076 }
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parents: 99
diff changeset
1077
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1078 private void RequiredMatch(char c) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1079 if( !parser.match(c) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1080 throw parser.exception("'"+c+"' expected");
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1081 }
600676034a1a add variables and tables
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parents: 8
diff changeset
1082
104
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parents: 99
diff changeset
1083 private void RequiredMatch(String s) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1084 if( !parser.match(s) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1085 throw parser.exception("'"+s+"' expected");
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1086 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1087
129
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parents: 128
diff changeset
1088 private void RequiredKeyword(String keyword,In in) throws ParseException {
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parents: 128
diff changeset
1089 if( !Keyword(keyword,in) )
104
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diff changeset
1090 throw parser.exception("'"+keyword+"' expected");
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1091 }
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parents: 8
diff changeset
1092
129
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diff changeset
1093 private boolean Keyword(String keyword,In in) throws ParseException {
104
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parents: 99
diff changeset
1094 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1095 if( !parser.match(keyword) || NameChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1096 return parser.failure();
129
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diff changeset
1097 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1098 return parser.success();
12
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parents: 11
diff changeset
1099 }
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parents: 11
diff changeset
1100
104
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parents: 99
diff changeset
1101 private static final Set<String> keywords = new HashSet<String>(Arrays.asList(
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1102 "and",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1103 "break",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1104 "do",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1105 "else",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1106 "elseif",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1107 "end",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1108 "false",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1109 "for",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1110 "function",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1111 "goto",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1112 "if",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1113 "in",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1114 "local",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1115 "nil",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1116 "not",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1117 "or",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1118 "repeat",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1119 "return",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1120 "then",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1121 "true",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1122 "until",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1123 "while"
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1124 ));
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parents: 11
diff changeset
1125
129
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diff changeset
1126 private Expr Literal(In in) throws ParseException {
645
859c0dedc8b6 remove LuanSource
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diff changeset
1127 parser.begin();
129
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diff changeset
1128 if( NilLiteral(in) )
645
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parents: 636
diff changeset
1129 return parser.success(new ConstExpr(null));
129
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diff changeset
1130 Boolean b = BooleanLiteral(in);
104
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diff changeset
1131 if( b != null )
645
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diff changeset
1132 return parser.success(new ConstExpr(b));
129
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diff changeset
1133 Number n = NumberLiteral(in);
104
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diff changeset
1134 if( n != null )
645
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parents: 636
diff changeset
1135 return parser.success(new ConstExpr(n));
129
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diff changeset
1136 String s = StringLiteral(in);
104
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diff changeset
1137 if( s != null )
645
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parents: 636
diff changeset
1138 return parser.success(new ConstExpr(s));
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
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parents: 193
diff changeset
1139 return parser.failure(null);
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1140 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1141
129
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diff changeset
1142 private boolean NilLiteral(In in) throws ParseException {
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diff changeset
1143 return Keyword("nil",in);
65
1ff53a88579a multi-line statements
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parents: 60
diff changeset
1144 }
1ff53a88579a multi-line statements
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diff changeset
1145
129
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diff changeset
1146 private Boolean BooleanLiteral(In in) throws ParseException {
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parents: 128
diff changeset
1147 if( Keyword("true",in) )
104
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diff changeset
1148 return true;
129
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diff changeset
1149 if( Keyword("false",in) )
104
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diff changeset
1150 return false;
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parents: 99
diff changeset
1151 return null;
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1152 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1153
129
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diff changeset
1154 private Number NumberLiteral(In in) throws ParseException {
104
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diff changeset
1155 parser.begin();
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diff changeset
1156 Number n;
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parents: 99
diff changeset
1157 if( parser.matchIgnoreCase("0x") ) {
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parents: 99
diff changeset
1158 n = HexNumber();
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parents: 99
diff changeset
1159 } else {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1160 n = DecNumber();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1161 }
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parents: 99
diff changeset
1162 if( n==null || NameChar() )
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diff changeset
1163 return parser.failure(null);
129
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diff changeset
1164 Spaces(in);
104
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parents: 99
diff changeset
1165 return parser.success(n);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1166 }
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parents: 99
diff changeset
1167
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parents: 99
diff changeset
1168 private Number DecNumber() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1169 int start = parser.begin();
535
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
1170 boolean isInt = true;
104
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parents: 99
diff changeset
1171 if( Int() ) {
535
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parents: 534
diff changeset
1172 if( parser.match('.') ) {
289908469e02 parse numeric constants to ints or longs if possible
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parents: 534
diff changeset
1173 isInt = false;
104
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diff changeset
1174 Int(); // optional
535
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diff changeset
1175 }
104
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parents: 99
diff changeset
1176 } else if( parser.match('.') && Int() ) {
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parents: 99
diff changeset
1177 // ok
535
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diff changeset
1178 isInt = false;
104
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diff changeset
1179 } else
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diff changeset
1180 return parser.failure(null);
535
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Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1181 if( Exponent() ) // optional
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1182 isInt = false;
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1183 String s = parser.textFrom(start);
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1184 if( isInt ) {
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1185 try {
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1186 return parser.success(Integer.valueOf(s));
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1187 } catch(NumberFormatException e) {}
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1188 try {
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1189 return parser.success(Long.valueOf(s));
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1190 } catch(NumberFormatException e) {}
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1191 }
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1192 return parser.success(Double.valueOf(s));
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1193 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1194
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1195 private boolean Exponent() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1196 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1197 if( !parser.matchIgnoreCase("e") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1198 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1199 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1200 if( !Int() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1201 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1202 return parser.success();
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1203 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1204
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1205 private boolean Int() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1206 if( !Digit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1207 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1208 while( Digit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1209 return true;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1210 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1211
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1212 private boolean Digit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1213 return parser.inCharRange('0', '9');
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1214 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1215
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1216 private Number HexNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1217 int start = parser.begin();
535
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1218 long nLong = 0;
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1219 double n;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1220 if( HexInt() ) {
535
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1221 nLong = Long.parseLong(parser.textFrom(start),16);
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1222 n = (double)nLong;
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1223 if( parser.match('.') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1224 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1225 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1226 String dec = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1227 n += (double)Long.parseLong(dec,16) / Math.pow(16,dec.length());
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1228 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1229 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1230 } else if( parser.match('.') && HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1231 String dec = parser.textFrom(start+1);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1232 n = (double)Long.parseLong(dec,16) / Math.pow(16,dec.length());
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1233 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1234 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1235 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1236 if( parser.matchIgnoreCase("p") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1237 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1238 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1239 if( !HexInt() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1240 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1241 n *= Math.pow(2,(double)Long.parseLong(parser.textFrom(start)));
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1242 }
535
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1243 if( nLong == n ) {
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1244 int nInt = (int)nLong;
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1245 if( nInt == nLong )
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1246 return parser.success(Integer.valueOf(nInt));
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1247 return parser.success(Long.valueOf(nLong));
289908469e02 parse numeric constants to ints or longs if possible
Franklin Schmidt <fschmidt@gmail.com>
parents: 534
diff changeset
1248 }
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1249 return parser.success(Double.valueOf(n));
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1250 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1251
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1252 private boolean HexInt() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1253 if( !HexDigit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1254 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1255 while( HexDigit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1256 return true;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1257 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1258
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1259
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1260 private boolean HexDigit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1261 return Digit() || parser.anyOf("abcdefABCDEF");
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1262 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1263
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1264 private String StringLiteral(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1265 String s;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1266 if( (s=QuotedString('"'))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1267 && (s=QuotedString('\''))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1268 && (s=LongString())==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1269 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1270 return null;
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1271 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1272 return s;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1273 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1274
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1275 private String LongString() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1276 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1277 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1278 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1279 int start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1280 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1281 int nEquals = parser.currentIndex() - start;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1282 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1283 return parser.failure(null);
120
8d7730a5e3b4 move standalone logic from Java to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 118
diff changeset
1284 EndOfLine();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1285 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1286 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1287 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1288 throw parser.exception("Unclosed long string");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1289 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1290 String s = parser.text.substring( start, parser.currentIndex() - nEquals - 2 );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1291 return parser.success(s);
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1292 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1293
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1294 private String QuotedString(char quote) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1295 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1296 if( !parser.match(quote) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1297 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1298 StringBuilder buf = new StringBuilder();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1299 while( !parser.match(quote) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1300 Character c = EscSeq();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1301 if( c != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1302 buf.append(c);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1303 } else {
271
82a3ebcfbafa add internal tests
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 260
diff changeset
1304 if( parser.test('\r') || parser.test('\n') || !parser.anyChar() )
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1305 throw parser.exception("Unclosed string");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1306 buf.append(parser.lastChar());
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1307 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1308 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1309 return parser.success(buf.toString());
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1310 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1311
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1312 private Character EscSeq() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1313 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1314 if( !parser.match('\\') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1315 return parser.failure(null);
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1316 if( parser.match('a') ) return parser.success('\u0007');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1317 if( parser.match('b') ) return parser.success('\b');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1318 if( parser.match('f') ) return parser.success('\f');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1319 if( parser.match('n') ) return parser.success('\n');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1320 if( parser.match('r') ) return parser.success('\r');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1321 if( parser.match('t') ) return parser.success('\t');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1322 if( parser.match('v') ) return parser.success('\u000b');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1323 if( parser.match('\\') ) return parser.success('\\');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1324 if( parser.match('"') ) return parser.success('"');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1325 if( parser.match('\'') ) return parser.success('\'');
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1326 int start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1327 if( parser.match('x') && HexDigit() && HexDigit() )
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1328 return parser.success((char)Integer.parseInt(parser.textFrom(start+1),16));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1329 if( Digit() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1330 if( Digit() ) Digit(); // optional
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1331 return parser.success((char)Integer.parseInt(parser.textFrom(start)));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1332 }
271
82a3ebcfbafa add internal tests
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 260
diff changeset
1333 if( EndOfLine() )
82a3ebcfbafa add internal tests
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 260
diff changeset
1334 return parser.success('\n');
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1335 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1336 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1337
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1338 private void Spaces(In in) throws ParseException {
247
b5995d77878a fix parsing of comments
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 245
diff changeset
1339 while( parser.anyOf(" \t") || Comment() || ContinueOnNextLine() || in.parens && EndOfLine() );
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1340 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1341
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1342 private boolean ContinueOnNextLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1343 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1344 return parser.match('\\') && EndOfLine() ? parser.success() : parser.failure();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1345 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1346
247
b5995d77878a fix parsing of comments
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 245
diff changeset
1347 private boolean Comment() throws ParseException {
b5995d77878a fix parsing of comments
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 245
diff changeset
1348 if( LongComment() )
b5995d77878a fix parsing of comments
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 245
diff changeset
1349 return true;
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1350 if( parser.match("--") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1351 while( parser.noneOf("\r\n") );
247
b5995d77878a fix parsing of comments
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 245
diff changeset
1352 return true;
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1353 }
247
b5995d77878a fix parsing of comments
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 245
diff changeset
1354 return false;
18
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1355 }
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1356
247
b5995d77878a fix parsing of comments
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 245
diff changeset
1357 private boolean LongComment() throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1358 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1359 if( !parser.match("--[") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1360 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1361 int start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1362 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1363 int nEquals = parser.currentIndex() - start;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1364 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1365 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1366 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1367 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1368 throw parser.exception("Unclosed comment");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1369 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1370 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1371 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1372
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1373 private boolean LongBracketsEnd(int nEquals) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1374 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1375 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1376 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1377 while( nEquals-- > 0 ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1378 if( !parser.match('=') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1379 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1380 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1381 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1382 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1383 return parser.success();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1384 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1385
648
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
1386
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
1387
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
1388
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
1389 private static int classCounter = 0;
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
1390
649
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1391 private class ExpString {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1392 final String code;
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1393 final boolean isExpr;
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1394 final boolean isStmt;
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1395
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1396 ExpString(Expressions exp) {
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1397 if( exp==null ) throw new NullPointerException();
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1398 int i = $Luan.addExpressions(exp);
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1399 code = "$Luan.getExpressions(" + i + ").eval($luan)";
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1400 isExpr = exp instanceof Expr;
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1401 isStmt = exp instanceof StmtExp;
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parents: 648
diff changeset
1402 }
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1403
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1404 ExpString(String code,boolean isExpr,boolean isStmt) {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1405 this.code = code;
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1406 this.isExpr = isExpr;
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1407 this.isStmt = isStmt;
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parents: 648
diff changeset
1408 }
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1409
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1410 ExpString expr() {
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1411 return isExpr ? this : new ExpString( "$Luan.first(" + code + ")", true, isStmt );
649
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1412 }
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parents: 648
diff changeset
1413
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parents: 648
diff changeset
1414 Expressions toExpressions() {
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parents: 648
diff changeset
1415 String superClass = isStmt ? "StmtExp" : "Expressions";
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1416 String className = "EXP" + ++classCounter;
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1417 String classCode = ""
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parents: 648
diff changeset
1418 +"package luan.impl;\n"
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1419 +"import luan.LuanException;\n"
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parents: 648
diff changeset
1420 +"\n"
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1421 +"public class " + className +" implements " + superClass + " {\n"
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1422 +" @Override public Object eval(LuanStateImpl $luan) throws LuanException {\n"
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1423 +" Object $cnd;\n"
649
37f0cf43f191 UnaryExpr now compiled
Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1424 +" return " + code + ";\n"
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1425 +" }\n"
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1426 +"}\n"
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1427 ;
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
1428 //System.out.println(code);
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1429 try {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1430 Class cls = LuanJavaCompiler.compile("luan.impl."+className,code,classCode);
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1431 return (Expressions)cls.newInstance();
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1432 } catch(ClassNotFoundException e) {
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parents: 648
diff changeset
1433 throw new RuntimeException(e);
37f0cf43f191 UnaryExpr now compiled
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parents: 648
diff changeset
1434 } catch(InstantiationException e) {
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parents: 648
diff changeset
1435 throw new RuntimeException(e);
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parents: 648
diff changeset
1436 } catch(IllegalAccessException e) {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 648
diff changeset
1437 throw new RuntimeException(e);
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parents: 648
diff changeset
1438 }
648
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
1439 }
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
1440 }
e387e4021afe start compiler with len operator
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
1441
650
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1442 private static Expressions exp(ExpString expStr) {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1443 return expStr==null ? null : expStr.toExpressions();
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1444 }
d658eab7bf4c finish compiling operators
Franklin Schmidt <fschmidt@gmail.com>
parents: 649
diff changeset
1445
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1446 }