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annotate core/src/luan/impl/LuanParser.java @ 356:5e34702423a0

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better parser error message
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 14 Apr 2015 09:44:07 -0600
parents db37d6aee4db
children 85bf9f0379aa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
166
4eaee12f6c65 move luan/interp to impl
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parents: 165
diff changeset
1 package luan.impl;
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9ef0fd711101 start LuaParser
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2
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9cea1aea5eef CmdLine can run files
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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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64ecb7a3aad7 rename Lua to Luan
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9 import luan.Luan;
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10 import luan.LuanState;
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11 import luan.LuanSource;
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12 import luan.modules.PackageLuan;
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9ef0fd711101 start LuaParser
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9ef0fd711101 start LuaParser
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14
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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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26 Frame(UpValue.Getter envGetter) {
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27 this.parent = null;
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28 upValueSymbols.add(_ENV);
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29 upValueGetters.add(envGetter);
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30 }
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31
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32 Frame(Frame parent) {
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33 this.parent = parent;
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34 if( upValueIndex(_ENV) != 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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79
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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 _ENV = "_ENV";
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95 private static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0];
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96
128
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97 final LuanSource source;
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98 private Frame frame;
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99 private final Parser parser;
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100 private final boolean interactive;
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101
108
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102 LuanParser(LuanSource source,UpValue.Getter envGetter) {
86
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103 this.source = source;
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104 this.frame = new Frame(envGetter);
118
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105 this.parser = new Parser(source);
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106 this.interactive = envGetter instanceof UpValue.ValueGetter;
108
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107 }
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108
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109 void addVar(String name,Object value) {
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110 frame.addUpValueGetter(name,new UpValue.ValueGetter(value));
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111 }
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112
104
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113 private LuanSource.Element se(int start) {
190
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114 return se(start,null);
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115 }
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116
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117 private LuanSource.Element se(int start,String text) {
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118 return new LuanSource.Element(source,start,parser.currentIndex(),text);
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119 }
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120
104
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121 private List<String> symbols() {
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122 return frame.symbols;
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123 }
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124
104
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125 private int symbolsSize() {
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126 return frame.symbols.size();
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127 }
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128
104
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129 private void addSymbol(String name) {
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130 frame.symbols.add(name);
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131 if( frame.stackSize < symbolsSize() )
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132 frame.stackSize = symbolsSize();
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133 }
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134
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135 private void addSymbols(List<String> names) {
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136 frame.symbols.addAll(names);
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137 if( frame.stackSize < symbolsSize() )
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138 frame.stackSize = symbolsSize();
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139 }
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140
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141 private int stackIndex(String name) {
32
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142 return frame.stackIndex(name);
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143 }
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144
104
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145 private void popSymbols(int n) {
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146 List<String> symbols = frame.symbols;
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147 while( n-- > 0 ) {
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148 symbols.remove(symbols.size()-1);
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149 }
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150 }
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151
104
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152 private int upValueIndex(String name) {
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153 return frame.upValueIndex(name);
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154 }
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155
104
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156 private void incLoops() {
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157 frame.loops++;
104
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158 }
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159
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160 private void decLoops() {
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161 frame.loops--;
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162 }
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163
104
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164 private <T> T required(T t) throws ParseException {
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165 if( t==null )
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166 throw parser.exception();
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167 return t;
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168 }
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169
104
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170 private <T> T required(T t,String msg) throws ParseException {
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171 if( t==null )
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172 throw parser.exception(msg);
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173 return t;
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174 }
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175
154
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176 private static Expr expr(Expressions exprs) {
200
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177 if( exprs==null )
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178 return null;
154
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179 if( exprs instanceof Expr )
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180 return (Expr)exprs;
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181 return new ExpressionsExpr(exprs);
107
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182 }
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183
104
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184 private FnDef newFnDef(int start,Stmt stmt) {
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185 return new FnDef( se(start), stmt, frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) );
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186 }
20
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187
158
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188 FnDef Expression() throws ParseException {
129
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189 Spaces(In.NOTHING);
104
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190 int start = parser.begin();
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191 Expressions expr = ExprZ(In.NOTHING);
158
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192 if( expr != null && parser.endOfInput() ) {
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193 Stmt stmt = new ReturnStmt( se(start), expr );
104
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194 return parser.success(newFnDef(start,stmt));
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195 }
108
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196 return parser.failure(null);
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197 }
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198
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199 FnDef RequiredModule() throws ParseException {
129
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200 Spaces(In.NOTHING);
108
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201 int start = parser.begin();
104
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202 frame.isVarArg = true;
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203 Stmt stmt = RequiredBlock();
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204 if( parser.endOfInput() )
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205 return parser.success(newFnDef(start,stmt));
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206 throw parser.exception();
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207 }
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208
104
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209 private Stmt RequiredBlock() throws ParseException {
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210 List<Stmt> stmts = new ArrayList<Stmt>();
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211 int stackStart = symbolsSize();
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212 Stmt(stmts);
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213 while( StmtSep(stmts) ) {
129
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214 Spaces(In.NOTHING);
104
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215 Stmt(stmts);
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216 }
21
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217 int stackEnd = symbolsSize();
19
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218 popSymbols( stackEnd - stackStart );
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219 if( stmts.isEmpty() )
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220 return Stmt.EMPTY;
19
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221 if( stmts.size()==1 && stackStart==stackEnd )
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222 return stmts.get(0);
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223 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd );
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224 }
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225
104
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226 private boolean StmtSep(List<Stmt> stmts) throws ParseException {
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227 parser.begin();
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228 if( parser.match( ';' ) )
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229 return parser.success();
157
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230 if( EndOfLine() )
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231 return parser.success();
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232 parser.rollback();
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233 Stmt stmt = TemplateStmt();
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234 if( stmt != null ) {
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235 stmts.add(stmt);
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236 return parser.success();
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237 }
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238 return parser.failure();
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239 }
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240
104
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241 private boolean EndOfLine() {
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242 return parser.match( "\r\n" ) || parser.match( '\r' ) || parser.match( '\n' );
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243 }
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244
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245 private void Stmt(List<Stmt> stmts) throws ParseException {
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246 if( LocalStmt(stmts) )
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247 return;
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248 Stmt stmt;
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249 if( (stmt=ReturnStmt()) != null
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250 || (stmt=FunctionStmt()) != null
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251 || (stmt=LocalFunctionStmt()) != null
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252 || (stmt=BreakStmt()) != null
127
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253 || (stmt=ForStmt()) != null
104
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254 || (stmt=DoStmt()) != null
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255 || (stmt=WhileStmt()) != null
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256 || (stmt=FunctionStmt()) != null
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257 || (stmt=RepeatStmt()) != null
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258 || (stmt=IfStmt()) != null
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259 || (stmt=SetStmt()) != null
159
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260 || (stmt=ExpressionsStmt()) != null
104
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diff changeset
261 ) {
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262 stmts.add(stmt);
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263 }
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264 }
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265
157
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266 private Stmt TemplateStmt() throws ParseException {
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267 int start = parser.currentIndex();
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268 Expressions exp = TemplateExpressions(In.NOTHING);
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diff changeset
269 if( exp == null )
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270 return null;
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271 Expr fnExp = (Expr)nameVar(start,"Io").expr();
195
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272 LuanSource.Element se = se(start,"stdout");
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273 fnExp = new IndexExpr( se, fnExp, new ConstExpr(se,"stdout") );
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274 se = se(start,"write");
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275 fnExp = new IndexExpr( se, fnExp, new ConstExpr(se,"write") );
157
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276 FnCall fnCall = new FnCall( se(start), fnExp, exp );
159
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277 return new ExpressionsStmt(fnCall);
157
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278 }
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279
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280 private Expressions TemplateExpressions(In in) throws ParseException {
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diff changeset
281 if( in.template )
129
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282 return null;
104
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283 int start = parser.begin();
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284 if( !parser.match( "%>" ) )
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285 return parser.failure(null);
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286 EndOfLine();
157
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287 In inTemplate = in.template();
154
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288 List<Expressions> builder = new ArrayList<Expressions>();
104
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diff changeset
289 while(true) {
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290 if( parser.match( "<%=" ) ) {
157
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diff changeset
291 Spaces(inTemplate);
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292 builder.add( RequiredExpr(inTemplate) );
104
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diff changeset
293 RequiredMatch( "%>" );
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294 } else if( parser.match( "<%" ) ) {
157
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295 Spaces(inTemplate);
154
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296 return parser.success(ExpList.build(builder));
104
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diff changeset
297 } else {
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298 int i = parser.currentIndex();
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diff changeset
299 do {
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diff changeset
300 if( parser.match( "%>" ) )
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301 throw parser.exception("'%>' unexpected");
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302 if( !parser.anyChar() )
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303 throw parser.exception("Unclosed template expression");
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304 } while( !parser.test( "<%" ) );
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305 String match = parser.textFrom(i);
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306 builder.add( new ConstExpr(se(i),match) );
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307 }
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308 }
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309 }
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310
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311 private Stmt ReturnStmt() throws ParseException {
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312 int start = parser.begin();
129
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313 if( !Keyword("return",In.NOTHING) )
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314 return parser.failure(null);
129
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315 Expressions exprs = ExpList(In.NOTHING);
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316 if( exprs==null )
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317 exprs = ExpList.emptyExpList;
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318 return parser.success( new ReturnStmt(se(start),exprs) );
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319 }
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320
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321 private Stmt FunctionStmt() throws ParseException {
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322 parser.begin();
129
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323 if( !Keyword("function",In.NOTHING) )
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324 return parser.failure(null);
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325
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326 int start = parser.currentIndex();
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327 Var var = nameVar(start,RequiredName(In.NOTHING));
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328 while( parser.match( '.' ) ) {
129
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329 Spaces(In.NOTHING);
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330 var = indexVar( start, expr(var.expr()), NameExpr(In.NOTHING) );
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331 }
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332 Settable fnName = var.settable();
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333
129
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334 FnDef fnDef = RequiredFunction(In.NOTHING);
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335 return parser.success( new SetStmt(fnName,fnDef) );
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336 }
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337
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338 private Stmt LocalFunctionStmt() throws ParseException {
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339 parser.begin();
129
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340 if( !(Keyword("local",In.NOTHING) && Keyword("function",In.NOTHING)) )
104
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341 return parser.failure(null);
129
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342 String name = RequiredName(In.NOTHING);
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343 addSymbol( name );
129
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344 FnDef fnDef = RequiredFunction(In.NOTHING);
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345 return parser.success( new SetStmt( new SetLocalVar(symbolsSize()-1), fnDef ) );
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346 }
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347
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348 private Stmt BreakStmt() throws ParseException {
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349 parser.begin();
129
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350 if( !Keyword("break",In.NOTHING) )
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351 return parser.failure(null);
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352 if( frame.loops <= 0 )
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353 throw parser.exception("'break' outside of loop");
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354 return parser.success( new BreakStmt() );
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355 }
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356
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357 private Stmt ForStmt() throws ParseException {
104
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358 int start = parser.begin();
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359 int stackStart = symbolsSize();
129
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360 if( !Keyword("for",In.NOTHING) )
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361 return parser.failure(null);
129
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362 List<String> names = RequiredNameList(In.NOTHING);
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363 if( !Keyword("in",In.NOTHING) )
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364 return parser.failure(null);
129
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365 Expr expr = expr(RequiredExpr(In.NOTHING));
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366 RequiredKeyword("do",In.NOTHING);
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367 addSymbols(names);
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368 Stmt loop = RequiredLoopBlock();
129
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369 RequiredKeyword("end",In.NOTHING);
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370 Stmt stmt = new ForStmt( se(start), stackStart, symbolsSize() - stackStart, expr, loop );
104
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371 popSymbols( symbolsSize() - stackStart );
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372 return parser.success(stmt);
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373 }
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374
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375 private Stmt DoStmt() throws ParseException {
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376 parser.begin();
129
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377 if( !Keyword("do",In.NOTHING) )
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378 return parser.failure(null);
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379 Stmt stmt = RequiredBlock();
129
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380 RequiredKeyword("end",In.NOTHING);
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381 return parser.success(stmt);
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382 }
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383
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384 private boolean LocalStmt(List<Stmt> stmts) throws ParseException {
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385 parser.begin();
129
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386 if( !Keyword("local",In.NOTHING) )
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387 return parser.failure();
129
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388 List<String> names = NameList(In.NOTHING);
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389 if( names==null ) {
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390 if( Keyword("function",In.NOTHING) )
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391 return parser.failure(); // handled later
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392 throw parser.exception("Invalid local statement");
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393 }
104
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394 if( parser.match( '=' ) ) {
129
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395 Spaces(In.NOTHING);
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396 Expressions values = ExpList(In.NOTHING);
104
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397 if( values==null )
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398 throw parser.exception("Expressions expected");
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399 SetLocalVar[] vars = new SetLocalVar[names.size()];
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400 int stackStart = symbolsSize();
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401 for( int i=0; i<vars.length; i++ ) {
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402 vars[i] = new SetLocalVar(stackStart+i);
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403 }
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404 stmts.add( new SetStmt( vars, values ) );
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diff changeset
405 }
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diff changeset
406 addSymbols(names);
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diff changeset
407 return parser.success();
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408 }
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diff changeset
409
129
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410 private List<String> RequiredNameList(In in) throws ParseException {
104
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411 parser.begin();
129
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412 List<String> names = NameList(in);
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diff changeset
413 if( names==null )
139
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414 throw parser.exception("Name expected");
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415 return parser.success(names);
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416 }
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417
129
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418 private List<String> NameList(In in) throws ParseException {
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419 String name = Name(in);
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420 if( name==null )
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421 return null;
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422 List<String> names = new ArrayList<String>();
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423 names.add(name);
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424 while( (name=anotherName(in)) != null ) {
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425 names.add(name);
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426 }
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427 return names;
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428 }
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429
139
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diff changeset
430 private String anotherName(In in) throws ParseException {
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diff changeset
431 parser.begin();
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diff changeset
432 if( !parser.match( ',' ) )
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433 return parser.failure(null);
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diff changeset
434 Spaces(in);
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435 String name = Name(in);
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diff changeset
436 if( name==null )
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diff changeset
437 return parser.failure(null);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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438 return parser.success(name);
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diff changeset
439 }
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diff changeset
440
104
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diff changeset
441 private Stmt WhileStmt() throws ParseException {
151
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442 int start = parser.begin();
129
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443 if( !Keyword("while",In.NOTHING) )
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444 return parser.failure(null);
129
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445 Expr cnd = expr(RequiredExpr(In.NOTHING));
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446 RequiredKeyword("do",In.NOTHING);
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447 Stmt loop = RequiredLoopBlock();
129
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448 RequiredKeyword("end",In.NOTHING);
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449 return parser.success( new WhileStmt(se(start),cnd,loop) );
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450 }
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diff changeset
451
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452 private Stmt RepeatStmt() throws ParseException {
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453 int start = parser.begin();
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454 if( !Keyword("repeat",In.NOTHING) )
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455 return parser.failure(null);
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456 Stmt loop = RequiredLoopBlock();
129
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457 RequiredKeyword("until",In.NOTHING);
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458 Expr cnd = expr(RequiredExpr(In.NOTHING));
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459 return parser.success( new RepeatStmt(se(start),loop,cnd) );
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diff changeset
460 }
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diff changeset
461
104
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diff changeset
462 private Stmt RequiredLoopBlock() throws ParseException {
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diff changeset
463 incLoops();
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464 Stmt stmt = RequiredBlock();
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465 decLoops();
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466 return stmt;
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467 }
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diff changeset
468
104
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diff changeset
469 private Stmt IfStmt() throws ParseException {
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diff changeset
470 parser.begin();
129
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diff changeset
471 if( !Keyword("if",In.NOTHING) )
104
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diff changeset
472 return parser.failure(null);
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diff changeset
473 return parser.success( IfStmt2() );
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diff changeset
474 }
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diff changeset
475
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diff changeset
476 private Stmt IfStmt2() throws ParseException {
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477 int start = parser.currentIndex();
129
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diff changeset
478 Expr cnd = expr(RequiredExpr(In.NOTHING));
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479 RequiredKeyword("then",In.NOTHING);
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diff changeset
480 Stmt thenBlock = RequiredBlock();
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diff changeset
481 Stmt elseBlock;
129
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482 if( Keyword("elseif",In.NOTHING) ) {
104
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diff changeset
483 elseBlock = IfStmt2();
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diff changeset
484 } else {
129
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diff changeset
485 elseBlock = Keyword("else",In.NOTHING) ? RequiredBlock() : Stmt.EMPTY;
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diff changeset
486 RequiredKeyword("end",In.NOTHING);
104
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diff changeset
487 }
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diff changeset
488 return new IfStmt(se(start),cnd,thenBlock,elseBlock);
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diff changeset
489 }
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diff changeset
490
104
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diff changeset
491 private Stmt SetStmt() throws ParseException {
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diff changeset
492 parser.begin();
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diff changeset
493 List<Settable> vars = new ArrayList<Settable>();
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diff changeset
494 Settable s = SettableVar();
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diff changeset
495 if( s == null )
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diff changeset
496 return parser.failure(null);
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diff changeset
497 vars.add(s);
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diff changeset
498 while( parser.match( ',' ) ) {
129
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diff changeset
499 Spaces(In.NOTHING);
104
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diff changeset
500 s = SettableVar();
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parents: 99
diff changeset
501 if( s == null )
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parents: 99
diff changeset
502 return parser.failure(null);
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parents: 99
diff changeset
503 vars.add(s);
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parents: 99
diff changeset
504 }
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parents: 99
diff changeset
505 if( !parser.match( '=' ) )
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diff changeset
506 return parser.failure(null);
129
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diff changeset
507 Spaces(In.NOTHING);
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diff changeset
508 Expressions values = ExpList(In.NOTHING);
104
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parents: 99
diff changeset
509 if( values==null )
274
8afe9f2fdfec AB testing, not fully tested
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parents: 271
diff changeset
510 // throw parser.exception("Expressions expected");
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diff changeset
511 return parser.failure(null);
104
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parents: 99
diff changeset
512 return parser.success( new SetStmt( vars.toArray(new Settable[0]), values ) );
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parents: 99
diff changeset
513 }
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parents: 99
diff changeset
514
159
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diff changeset
515 private Stmt ExpressionsStmt() throws ParseException {
104
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diff changeset
516 parser.begin();
211
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parents: 209
diff changeset
517 Expressions exp = ExprZ(In.NOTHING);
159
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 158
diff changeset
518 if( exp instanceof FnCall || exp instanceof AndExpr || exp instanceof OrExpr )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 158
diff changeset
519 return parser.success( new ExpressionsStmt(exp) );
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parents: 158
diff changeset
520 return parser.failure(null);
104
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parents: 99
diff changeset
521 }
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parents: 99
diff changeset
522
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parents: 99
diff changeset
523 private Settable SettableVar() throws ParseException {
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parents: 99
diff changeset
524 int start = parser.begin();
129
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parents: 128
diff changeset
525 Var var = VarZ(In.NOTHING);
104
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parents: 99
diff changeset
526 if( var==null )
155
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parents: 154
diff changeset
527 return parser.failure(null);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
528 return parser.success( var.settable() );
104
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parents: 99
diff changeset
529 }
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parents: 99
diff changeset
530
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
531 private Expressions RequiredExpr(In in) throws ParseException {
129
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parents: 128
diff changeset
532 parser.begin();
211
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 209
diff changeset
533 return parser.success(required(ExprZ(in),"Bad expression"));
104
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parents: 99
diff changeset
534 }
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parents: 99
diff changeset
535
211
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parents: 209
diff changeset
536 private Expressions ExprZ(In in) throws ParseException {
104
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parents: 99
diff changeset
537 parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
538 Expressions exp;
129
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parents: 128
diff changeset
539 return (exp = VarArgs(in)) != null
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
540 || (exp = OrExpr(in)) != null
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
541 ? parser.success(exp)
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
542 : parser.failure((Expressions)null)
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
543 ;
19
a7c13c6017f7 add GenericForStmt
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parents: 18
diff changeset
544 }
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parents: 18
diff changeset
545
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
546 private Expressions OrExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
547 int start = parser.begin();
154
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parents: 153
diff changeset
548 Expressions exp = AndExpr(in);
104
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parents: 99
diff changeset
549 if( exp==null )
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parents: 99
diff changeset
550 return parser.failure(null);
129
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parents: 128
diff changeset
551 while( Keyword("or",in) ) {
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
552 Expressions exp2 = AndExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
553 exp = new OrExpr( se(start), expr(exp), required(expr(exp2)) );
104
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parents: 99
diff changeset
554 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
555 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
556 }
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parents: 99
diff changeset
557
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
558 private Expressions AndExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
559 int start = parser.begin();
154
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parents: 153
diff changeset
560 Expressions exp = RelExpr(in);
104
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parents: 99
diff changeset
561 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
562 return parser.failure(null);
129
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parents: 128
diff changeset
563 while( Keyword("and",in) ) {
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
564 Expressions exp2 = RelExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
565 exp = new AndExpr( se(start), expr(exp), required(expr(exp2)) );
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
566 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
567 return parser.success(exp);
18
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
568 }
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
569
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
570 private Expressions RelExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
571 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
572 Expressions exp = ConcatExpr(in);
104
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parents: 99
diff changeset
573 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
574 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
575 while(true) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
576 if( parser.match("==") ) {
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
577 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
578 Expressions exp2 = ConcatExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
579 exp = new EqExpr( se(start), expr(exp), required(expr(exp2)) );
104
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parents: 99
diff changeset
580 } else if( parser.match("~=") ) {
129
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parents: 128
diff changeset
581 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
582 Expressions exp2 = ConcatExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
583 exp = new NotExpr( se(start), new EqExpr( se(start), expr(exp), required(expr(exp2)) ) );
104
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parents: 99
diff changeset
584 } else if( parser.match("<=") ) {
129
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parents: 128
diff changeset
585 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
586 Expressions exp2 = ConcatExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
587 exp = new LeExpr( se(start), expr(exp), required(expr(exp2)) );
104
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parents: 99
diff changeset
588 } else if( parser.match(">=") ) {
129
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parents: 128
diff changeset
589 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
590 Expressions exp2 = ConcatExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
591 exp = new LeExpr( se(start), required(expr(exp2)), expr(exp) );
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
592 } else if( parser.match("<") ) {
129
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parents: 128
diff changeset
593 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
594 Expressions exp2 = ConcatExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
595 exp = new LtExpr( se(start), expr(exp), required(expr(exp2)) );
104
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parents: 99
diff changeset
596 } else if( parser.match(">") ) {
129
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parents: 128
diff changeset
597 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
598 Expressions exp2 = ConcatExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
599 exp = new LtExpr( se(start), required(expr(exp2)), expr(exp) );
104
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diff changeset
600 } else
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diff changeset
601 break;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
602 }
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parents: 99
diff changeset
603 return parser.success(exp);
42
786699c78837 implement try-catch
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parents: 40
diff changeset
604 }
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parents: 40
diff changeset
605
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
606 private Expressions ConcatExpr(In in) throws ParseException {
104
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diff changeset
607 int start = parser.begin();
154
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diff changeset
608 Expressions exp = SumExpr(in);
104
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parents: 99
diff changeset
609 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
610 return parser.failure(null);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
611 if( parser.match("..") ) {
129
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parents: 128
diff changeset
612 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
613 Expressions exp2 = ConcatExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
614 exp = new ConcatExpr( se(start), expr(exp), required(expr(exp2)) );
104
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parents: 99
diff changeset
615 }
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parents: 99
diff changeset
616 return parser.success(exp);
28
df923e5835b2 fix local initial assignment
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parents: 26
diff changeset
617 }
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parents: 26
diff changeset
618
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
619 private Expressions SumExpr(In in) throws ParseException {
104
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diff changeset
620 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
621 Expressions exp = TermExpr(in);
104
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diff changeset
622 if( exp==null )
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parents: 99
diff changeset
623 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
624 while(true) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
625 if( parser.match('+') ) {
129
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diff changeset
626 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
627 Expressions exp2 = TermExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
628 exp = new AddExpr( se(start), expr(exp), required(expr(exp2)) );
104
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parents: 99
diff changeset
629 } else if( Minus() ) {
129
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parents: 128
diff changeset
630 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
631 Expressions exp2 = TermExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
632 exp = new SubExpr( se(start), expr(exp), required(expr(exp2)) );
104
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diff changeset
633 } else
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parents: 99
diff changeset
634 break;
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diff changeset
635 }
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parents: 99
diff changeset
636 return parser.success(exp);
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parents: 99
diff changeset
637 }
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parents: 99
diff changeset
638
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parents: 99
diff changeset
639 private boolean Minus() {
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parents: 99
diff changeset
640 parser.begin();
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parents: 99
diff changeset
641 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
642 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
643
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
644 private Expressions TermExpr(In in) throws ParseException {
104
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diff changeset
645 int start = parser.begin();
154
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diff changeset
646 Expressions exp = UnaryExpr(in);
104
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parents: 99
diff changeset
647 if( exp==null )
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parents: 99
diff changeset
648 return parser.failure(null);
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parents: 99
diff changeset
649 while(true) {
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parents: 99
diff changeset
650 if( parser.match('*') ) {
129
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diff changeset
651 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
652 Expressions exp2 = UnaryExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
653 exp = new MulExpr( se(start), expr(exp), required(expr(exp2)) );
104
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diff changeset
654 } else if( parser.match('/') ) {
129
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diff changeset
655 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
656 Expressions exp2 = UnaryExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
657 exp = new DivExpr( se(start), expr(exp), required(expr(exp2)) );
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
658 } else if( Mod() ) {
129
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diff changeset
659 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
660 Expressions exp2 = UnaryExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
661 exp = new ModExpr( se(start), expr(exp), required(expr(exp2)) );
104
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diff changeset
662 } else
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parents: 99
diff changeset
663 break;
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
664 }
104
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parents: 99
diff changeset
665 return parser.success(exp);
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
666 }
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diff changeset
667
107
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parents: 106
diff changeset
668 private boolean Mod() {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
669 parser.begin();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
670 return parser.match('%') && !parser.match('>') ? parser.success() : parser.failure();
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
671 }
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parents: 106
diff changeset
672
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
673 private Expressions UnaryExpr(In in) throws ParseException {
104
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diff changeset
674 int start = parser.begin();
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diff changeset
675 if( parser.match('#') ) {
129
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diff changeset
676 Spaces(in);
191
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parents: 190
diff changeset
677 Expressions exp = UnaryExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
678 return parser.success( new LenExpr( se(start), required(expr(exp)) ) );
104
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parents: 99
diff changeset
679 }
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parents: 99
diff changeset
680 if( Minus() ) {
129
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diff changeset
681 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
682 Expressions exp = UnaryExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
683 return parser.success( new UnmExpr( se(start), required(expr(exp)) ) );
104
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diff changeset
684 }
129
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diff changeset
685 if( Keyword("not",in) ) {
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
686 Spaces(in);
191
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
687 Expressions exp = UnaryExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
688 return parser.success( new NotExpr( se(start), required(expr(exp)) ) );
104
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parents: 99
diff changeset
689 }
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
690 Expressions exp = PowExpr(in);
104
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diff changeset
691 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
692 return parser.failure(null);
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parents: 99
diff changeset
693 return parser.success(exp);
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parents: 99
diff changeset
694 }
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parents: 99
diff changeset
695
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
696 private Expressions PowExpr(In in) throws ParseException {
104
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diff changeset
697 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
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diff changeset
698 Expressions exp = SingleExpr(in);
104
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diff changeset
699 if( exp==null )
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diff changeset
700 return parser.failure(null);
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parents: 99
diff changeset
701 if( parser.match('^') ) {
129
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diff changeset
702 Spaces(in);
191
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parents: 190
diff changeset
703 Expressions exp2 = PowExpr(in);
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 190
diff changeset
704 exp = new ConcatExpr( se(start), expr(exp), required(expr(exp2)) );
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
705 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
706 return parser.success(exp);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
707 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
708
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
709 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
710 parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
711 Expressions exp;
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
712 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
713 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
714 return parser.success(exp);
193
66ed8886abc0 parsing change to allow indexing of literals without parens
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 191
diff changeset
715 /*
129
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parents: 128
diff changeset
716 exp = TableExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
717 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
718 return parser.success(exp);
193
66ed8886abc0 parsing change to allow indexing of literals without parens
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parents: 191
diff changeset
719 */
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
720 exp = VarExp(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
721 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
722 return parser.success(exp);
193
66ed8886abc0 parsing change to allow indexing of literals without parens
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 191
diff changeset
723 /*
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
724 exp = Literal(in);
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
725 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
726 return parser.success(exp);
193
66ed8886abc0 parsing change to allow indexing of literals without parens
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 191
diff changeset
727 */
104
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parents: 99
diff changeset
728 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
729 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
730
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
731 private Expr FunctionExpr(In in) throws ParseException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
732 if( !Keyword("function",in) )
104
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parents: 99
diff changeset
733 return null;
129
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parents: 128
diff changeset
734 return RequiredFunction(in);
20
d85510d92eee add BreakStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
735 }
d85510d92eee add BreakStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
736
129
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parents: 128
diff changeset
737 private FnDef RequiredFunction(In in) throws ParseException {
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
738 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
739 RequiredMatch('(');
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
740 In inParens = in.parens();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
741 Spaces(inParens);
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
742 frame = new Frame(frame);
129
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parents: 128
diff changeset
743 List<String> names = NameList(in);
104
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parents: 99
diff changeset
744 if( names != null ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
745 addSymbols(names);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
746 if( parser.match(',') ) {
129
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parents: 128
diff changeset
747 Spaces(inParens);
104
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parents: 99
diff changeset
748 if( !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
749 throw parser.exception();
254
e0fb8a49e031 add Time.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 247
diff changeset
750 Spaces(inParens);
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
751 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
752 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
753 } else if( parser.match("...") ) {
129
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parents: 128
diff changeset
754 Spaces(inParens);
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
755 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
756 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
757 RequiredMatch(')');
129
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parents: 128
diff changeset
758 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
759 Stmt block = RequiredBlock();
129
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parents: 128
diff changeset
760 RequiredKeyword("end",in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
761 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
762 frame = frame.parent;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
763 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
764 }
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
765
129
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diff changeset
766 private VarArgs VarArgs(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
767 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
768 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
769 return parser.failure(null);
129
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parents: 128
diff changeset
770 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
771 return parser.success( new VarArgs(se(start)) );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
772 }
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parents: 99
diff changeset
773
129
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parents: 128
diff changeset
774 private Expr TableExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
775 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
776 if( !parser.match('{') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
777 return parser.failure(null);
129
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parents: 128
diff changeset
778 In inParens = in.parens();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
779 Spaces(inParens);
104
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parents: 99
diff changeset
780 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
781 List<Expressions> builder = new ArrayList<Expressions>();
211
284eddd599b1 fix parsing bug
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parents: 209
diff changeset
782 while( Field(fields,builder,inParens) && FieldSep(inParens) );
324
b24a35612947 minor parsing improvement
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 321
diff changeset
783 Expressions exp = TemplateExpressions(inParens);
245
2ed8465a9d62 allow TemplateExpressions at end of table constructor
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 211
diff changeset
784 if( exp != null )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 211
diff changeset
785 builder.add(exp);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
786 if( !parser.match('}') )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
787 throw parser.exception("Expected table element or '}'");
203
99eef1d0e706 IO security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 200
diff changeset
788 Spaces(in);
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
789 return parser.success( new TableExpr( se(start), fields.toArray(new TableExpr.Field[0]), ExpList.build(builder) ) );
104
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parents: 99
diff changeset
790 }
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parents: 99
diff changeset
791
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
792 private boolean FieldSep(In in) throws ParseException {
104
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parents: 99
diff changeset
793 if( !parser.anyOf(",;") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
794 return false;
129
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parents: 128
diff changeset
795 Spaces(in);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
796 return true;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
797 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
798
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
799 private boolean Field(List<TableExpr.Field> fields,List<Expressions> builder,In in) throws ParseException {
104
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parents: 99
diff changeset
800 parser.begin();
129
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parents: 128
diff changeset
801 Expr exp = SubExpr(in);
104
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parents: 99
diff changeset
802 if( exp==null )
129
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parents: 128
diff changeset
803 exp = NameExpr(in);
104
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parents: 99
diff changeset
804 if( exp!=null && parser.match('=') ) {
137
573ce091ae00 minor parser fix
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 129
diff changeset
805 Spaces(in);
211
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 209
diff changeset
806 fields.add( new TableExpr.Field( exp, required(expr(ExprZ(in))) ) );
104
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parents: 99
diff changeset
807 return parser.success();
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
808 }
104
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parents: 99
diff changeset
809 parser.rollback();
211
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 209
diff changeset
810 Expressions exprs = ExprZ(in);
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
811 if( exprs != null ) {
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
812 builder.add(exprs);
104
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parents: 99
diff changeset
813 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
814 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
815 return parser.failure();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
816 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
817
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
818 private Expressions VarExp(In in) throws ParseException {
129
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parents: 128
diff changeset
819 Var var = VarZ(in);
104
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parents: 99
diff changeset
820 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
821 }
8896068e0a4b finish operators
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parents: 7
diff changeset
822
129
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diff changeset
823 private Var VarZ(In in) throws ParseException {
104
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parents: 99
diff changeset
824 int start = parser.begin();
206
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
825 Var var = VarStart(in,start);
104
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parents: 99
diff changeset
826 if( var==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
827 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
828 Var var2;
129
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diff changeset
829 while( (var2=Var2(in,start,var.expr())) != null ) {
104
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parents: 99
diff changeset
830 var = var2;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
831 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
832 return parser.success(var);
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
833 }
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parents: 6
diff changeset
834
206
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parents: 203
diff changeset
835 private Var VarStart(In in,int start) throws ParseException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
836 if( parser.match('(') ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
837 In inParens = in.parens();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
838 Spaces(inParens);
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
839 Expr exp = expr(RequiredExpr(inParens));
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
840 RequiredMatch(')');
129
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parents: 128
diff changeset
841 Spaces(in);
206
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parents: 203
diff changeset
842 return exprVar(exp);
104
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parents: 99
diff changeset
843 }
206
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
844 String name = Name(in);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
845 if( name != null )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
846 return nameVar(start,name);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
847 Expressions exp;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
848 exp = TableExpr(in);
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parents: 203
diff changeset
849 if( exp != null )
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parents: 203
diff changeset
850 return exprVar(exp);
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parents: 203
diff changeset
851 exp = Literal(in);
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parents: 203
diff changeset
852 if( exp != null )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
853 return exprVar(exp);
77365c9fdfe4 remove -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
854 return null;
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
855 }
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
856
206
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
857 private Var Var2(In in,int start,Expressions exp1) throws ParseException {
104
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parents: 99
diff changeset
858 parser.begin();
129
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parents: 128
diff changeset
859 Expr exp2 = SubExpr(in);
104
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parents: 99
diff changeset
860 if( exp2 != null )
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
861 return parser.success(indexVar(start,expr(exp1),exp2));
104
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parents: 99
diff changeset
862 if( parser.match('.') ) {
129
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parents: 128
diff changeset
863 Spaces(in);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
864 exp2 = NameExpr(in);
104
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parents: 99
diff changeset
865 if( exp2!=null )
107
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parents: 106
diff changeset
866 return parser.success(indexVar(start,expr(exp1),exp2));
104
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parents: 99
diff changeset
867 }
206
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parents: 203
diff changeset
868 FnCall fnCall = Args( in, start, expr(exp1), new ArrayList<Expressions>() );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
869 if( fnCall != null )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 203
diff changeset
870 return parser.success(exprVar(fnCall));
104
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parents: 99
diff changeset
871 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
872 }
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parents: 8
diff changeset
873
104
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parents: 99
diff changeset
874 private Expr env() {
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
875 int index = stackIndex(_ENV);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
876 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
877 return new GetLocalVar(null,index);
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
878 index = upValueIndex(_ENV);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
879 if( index != -1 )
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
880 return new GetUpVar(null,index);
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
881 throw new RuntimeException("_ENV not found");
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parents: 33
diff changeset
882 }
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parents: 33
diff changeset
883
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
884 private interface Var {
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
885 public Expressions expr();
104
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parents: 99
diff changeset
886 public Settable settable();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
887 }
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parents: 99
diff changeset
888
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
889 private Var nameVar(final int start,final String name) {
190
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 186
diff changeset
890 return nameVar(se(start,name),name);
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
891 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
892
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
893 private Var nameVar(final LuanSource.Element se,final String name) {
104
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parents: 99
diff changeset
894 return new Var() {
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parents: 99
diff changeset
895
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
896 public Expr expr() {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
897 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
898 if( index != -1 )
157
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
899 return new GetLocalVar(se,index);
104
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parents: 99
diff changeset
900 index = upValueIndex(name);
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parents: 99
diff changeset
901 if( index != -1 )
157
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
902 return new GetUpVar(se,index);
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
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parents: 193
diff changeset
903 return new IndexExpr( se, env(), new ConstExpr(se,name) );
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
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
906 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
907 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
908 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
909 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
910 index = upValueIndex(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 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
912 return new SetUpVar(index);
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
913 return new SetTableEntry( se, env(), new ConstExpr(se,name) );
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
914 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
915 };
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
916 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
917
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
918 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
919 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
920
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
921 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
922 return expr;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
923 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
924
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
925 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
926 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
927 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
928 };
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
929 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
930
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
931 private Var indexVar(final int start,final Expr table,final Expr key) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
932 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
933
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
934 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
935 return new IndexExpr( se(start), table, key );
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 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
939 return new SetTableEntry(se(start),table,key);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
940 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
941 };
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
942 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
943
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
944 private FnCall Args(In in,int start,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
945 parser.begin();
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
946 return args(in,builder)
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
947 ? parser.success( new FnCall( se(start), 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
948 : parser.failure((FnCall)null);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
949 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
950
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
951 private boolean args(In in,List<Expressions> builder) throws ParseException {
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
952 int start = parser.begin();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
953 if( parser.match('(') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
954 In inParens = in.parens();
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
955 Spaces(inParens);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
956 ExpList(inParens,builder); // optional
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
957 if( !parser.match(')') )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
958 throw parser.exception("Expression or ')' expected");
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
959 Spaces(in);
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
960 return parser.success();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
961 }
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
962 Expr exp = TableExpr(in);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
963 if( exp != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
964 builder.add(exp);
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
965 return parser.success();
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
966 }
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
967 String s = StringLiteral(in);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
968 if( s != null ) {
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
969 builder.add( new ConstExpr(se(start),s) );
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
970 return parser.success();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
971 }
181
5d2cb8c1f844 add web logging
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 180
diff changeset
972 /*
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
973 Expressions exps = TemplateExpressions(in);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
974 if( exps != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
975 builder.add(exps);
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
976 return parser.success();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
977 }
181
5d2cb8c1f844 add web logging
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 180
diff changeset
978 */
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
979 return parser.failure();
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
980 }
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
981
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
982 private Expressions ExpList(In in) throws ParseException {
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
983 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
984 return ExpList(in,builder) ? ExpList.build(builder) : null;
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
985 }
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parents: 99
diff changeset
986
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
987 private boolean ExpList(In in,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
988 parser.begin();
158
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
989 Expressions exp = TemplateExpressions(in);
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
990 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
991 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
992 return parser.success();
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
993 }
211
284eddd599b1 fix parsing bug
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 209
diff changeset
994 exp = ExprZ(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
995 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
996 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
997 builder.add(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
998 while( parser.match(',') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
999 Spaces(in);
158
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
1000 exp = TemplateExpressions(in);
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
1001 if( exp != null ) {
cced1c4d3575 only allow TemplateExpressions at end of expr list;
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diff changeset
1002 builder.add(exp);
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parents: 157
diff changeset
1003 return parser.success();
cced1c4d3575 only allow TemplateExpressions at end of expr list;
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parents: 157
diff changeset
1004 }
129
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parents: 128
diff changeset
1005 builder.add( RequiredExpr(in) );
104
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diff changeset
1006 }
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diff changeset
1007 return parser.success();
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1008 }
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parents: 8
diff changeset
1009
129
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diff changeset
1010 private Expr SubExpr(In in) throws ParseException {
104
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diff changeset
1011 parser.begin();
209
239c8d650028 convert returned arrays to tables for java methods
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diff changeset
1012 if( !parser.match('[') || parser.test("[") || parser.test("=") )
104
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diff changeset
1013 return parser.failure(null);
129
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diff changeset
1014 In inParens = in.parens();
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parents: 128
diff changeset
1015 Spaces(inParens);
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parents: 128
diff changeset
1016 Expr exp = expr(RequiredExpr(inParens));
104
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parents: 99
diff changeset
1017 RequiredMatch(']');
129
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diff changeset
1018 Spaces(in);
104
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parents: 99
diff changeset
1019 return parser.success(exp);
11
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
1020 }
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parents: 9
diff changeset
1021
129
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diff changeset
1022 private Expr NameExpr(In in) throws ParseException {
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
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parents: 193
diff changeset
1023 int start = parser.begin();
129
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diff changeset
1024 String name = Name(in);
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
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parents: 193
diff changeset
1025 if( name==null )
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
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parents: 193
diff changeset
1026 return parser.failure(null);
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1027 return parser.success(new ConstExpr(se(start),name));
54
f5b27ef14d73 add OutputStmt
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parents: 51
diff changeset
1028 }
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parents: 51
diff changeset
1029
129
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diff changeset
1030 private String RequiredName(In in) throws ParseException {
104
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parents: 99
diff changeset
1031 parser.begin();
129
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parents: 128
diff changeset
1032 String name = Name(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1033 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
1034 throw parser.exception("Name expected");
104
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parents: 99
diff changeset
1035 return parser.success(name);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1036 }
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parents: 99
diff changeset
1037
129
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parents: 128
diff changeset
1038 private String Name(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1039 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1040 if( !NameFirstChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1041 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1042 while( NameChar() );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1043 String match = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1044 if( keywords.contains(match) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1045 return parser.failure(null);
129
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parents: 128
diff changeset
1046 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1047 return parser.success(match);
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
1048 }
09d41f7490a8 add local variables
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parents: 16
diff changeset
1049
104
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parents: 99
diff changeset
1050 private boolean NameChar() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1051 return NameFirstChar() || Digit();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1052 }
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parents: 99
diff changeset
1053
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1054 private boolean NameFirstChar() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1055 return parser.inCharRange('a', 'z') || parser.inCharRange('A', 'Z') || parser.match('_');
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1056 }
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parents: 99
diff changeset
1057
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1058 private void RequiredMatch(char c) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1059 if( !parser.match(c) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1060 throw parser.exception("'"+c+"' expected");
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1061 }
600676034a1a add variables and tables
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parents: 8
diff changeset
1062
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1063 private void RequiredMatch(String s) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1064 if( !parser.match(s) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1065 throw parser.exception("'"+s+"' expected");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1066 }
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parents: 99
diff changeset
1067
129
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parents: 128
diff changeset
1068 private void RequiredKeyword(String keyword,In in) throws ParseException {
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
1069 if( !Keyword(keyword,in) )
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1070 throw parser.exception("'"+keyword+"' expected");
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1071 }
600676034a1a add variables and tables
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parents: 8
diff changeset
1072
129
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parents: 128
diff changeset
1073 private boolean Keyword(String keyword,In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1074 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1075 if( !parser.match(keyword) || NameChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1076 return parser.failure();
129
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parents: 128
diff changeset
1077 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1078 return parser.success();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1079 }
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1080
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1081 private static final Set<String> keywords = new HashSet<String>(Arrays.asList(
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1082 "and",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1083 "break",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1084 "do",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1085 "else",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1086 "elseif",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1087 "end",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1088 "false",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1089 "for",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1090 "function",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1091 "goto",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1092 "if",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1093 "in",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1094 "local",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1095 "nil",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1096 "not",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1097 "or",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1098 "repeat",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1099 "return",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1100 "then",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1101 "true",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1102 "until",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1103 "while"
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1104 ));
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1105
129
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parents: 128
diff changeset
1106 private Expr Literal(In in) throws ParseException {
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1107 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
1108 if( NilLiteral(in) )
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1109 return parser.success(new ConstExpr(se(start),null));
129
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parents: 128
diff changeset
1110 Boolean b = BooleanLiteral(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1111 if( b != null )
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1112 return parser.success(new ConstExpr(se(start),b));
129
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1113 Number n = NumberLiteral(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1114 if( n != null )
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1115 return parser.success(new ConstExpr(se(start),n));
129
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parents: 128
diff changeset
1116 String s = StringLiteral(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1117 if( s != null )
195
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1118 return parser.success(new ConstExpr(se(start),s));
24ede40ee0aa make MetatableGetter DeepCloneable, scoped, and secure
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 193
diff changeset
1119 return parser.failure(null);
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1120 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1121
129
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parents: 128
diff changeset
1122 private boolean NilLiteral(In in) throws ParseException {
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1123 return Keyword("nil",in);
65
1ff53a88579a multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
1124 }
1ff53a88579a multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
1125
129
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parents: 128
diff changeset
1126 private Boolean BooleanLiteral(In in) throws ParseException {
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1127 if( Keyword("true",in) )
104
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parents: 99
diff changeset
1128 return true;
129
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parents: 128
diff changeset
1129 if( Keyword("false",in) )
104
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parents: 99
diff changeset
1130 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1131 return null;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1132 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1133
129
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parents: 128
diff changeset
1134 private Number NumberLiteral(In in) throws ParseException {
104
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parents: 99
diff changeset
1135 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1136 Number n;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1137 if( parser.matchIgnoreCase("0x") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1138 n = HexNumber();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1139 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1140 n = DecNumber();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1141 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1142 if( n==null || NameChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1143 return parser.failure(null);
129
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parents: 128
diff changeset
1144 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1145 return parser.success(n);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1146 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1147
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1148 private Number DecNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1149 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
1150 if( Int() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1151 if( parser.match('.') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1152 Int(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1153 } else if( parser.match('.') && Int() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1154 // ok
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1155 } else
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1156 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
1157 Exponent(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1158 return parser.success(Double.valueOf(parser.textFrom(start)));
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1159 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1160
104
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parents: 99
diff changeset
1161 private boolean Exponent() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1162 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1163 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
1164 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1165 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1166 if( !Int() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1167 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1168 return parser.success();
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1169 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1170
104
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parents: 99
diff changeset
1171 private boolean Int() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1172 if( !Digit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1173 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1174 while( Digit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1175 return true;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1176 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1177
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1178 private boolean Digit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1179 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
1180 }
2a30281ef47c finish number literals;
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parents: 15
diff changeset
1181
104
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parents: 99
diff changeset
1182 private Number HexNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1183 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1184 double n;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1185 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1186 n = (double)Long.parseLong(parser.textFrom(start),16);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1187 if( parser.match('.') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1188 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1189 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1190 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
1191 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
1192 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1193 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1194 } else if( parser.match('.') && HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1195 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
1196 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
1197 } else {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1198 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1199 }
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parents: 99
diff changeset
1200 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
1201 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1202 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1203 if( !HexInt() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1204 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
1205 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
1206 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1207 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
1208 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1209
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1210 private boolean HexInt() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1211 if( !HexDigit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1212 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1213 while( HexDigit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1214 return true;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1215 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1216
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1217
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1218 private boolean HexDigit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1219 return Digit() || parser.anyOf("abcdefABCDEF");
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1220 }
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parents: 5
diff changeset
1221
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
1222 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
1223 String s;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1224 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
1225 && (s=QuotedString('\''))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1226 && (s=LongString())==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1227 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1228 return null;
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1229 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1230 return s;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1231 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1232
104
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parents: 99
diff changeset
1233 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
1234 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1235 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1236 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
1237 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
1238 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1239 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
1240 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1241 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
1242 EndOfLine();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1243 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1244 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1245 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1246 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
1247 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1248 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
1249 return parser.success(s);
6
a315783c9524 more parsing
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parents: 5
diff changeset
1250 }
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parents: 5
diff changeset
1251
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1252 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
1253 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1254 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
1255 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
1256 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
1257 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
1258 Character c = EscSeq();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1259 if( c != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1260 buf.append(c);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1261 } else {
271
82a3ebcfbafa add internal tests
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parents: 260
diff changeset
1262 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
1263 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
1264 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
1265 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1266 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1267 return parser.success(buf.toString());
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1268 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1269
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1270 private Character EscSeq() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1271 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1272 if( !parser.match('\\') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1273 return parser.failure(null);
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1274 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
1275 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
1276 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
1277 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
1278 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
1279 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
1280 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
1281 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
1282 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
1283 if( parser.match('\'') ) return parser.success('\'');
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1284 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
1285 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
1286 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
1287 if( Digit() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1288 if( Digit() ) Digit(); // optional
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1289 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
1290 }
271
82a3ebcfbafa add internal tests
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 260
diff changeset
1291 if( EndOfLine() )
82a3ebcfbafa add internal tests
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 260
diff changeset
1292 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
1293 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1294 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1295
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1296 private void Spaces(In in) throws ParseException {
247
b5995d77878a fix parsing of comments
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parents: 245
diff changeset
1297 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
1298 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1299
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1300 private boolean ContinueOnNextLine() {
754e6030c029 remove parboiled and rewrite parser;
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1301 parser.begin();
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1302 return parser.match('\\') && EndOfLine() ? parser.success() : parser.failure();
7
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1303 }
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1304
247
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1305 private boolean Comment() throws ParseException {
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1306 if( LongComment() )
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1307 return true;
104
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parents: 99
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1308 if( parser.match("--") ) {
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parents: 99
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1309 while( parser.noneOf("\r\n") );
247
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diff changeset
1310 return true;
104
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1311 }
247
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parents: 245
diff changeset
1312 return false;
18
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parents: 17
diff changeset
1313 }
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parents: 17
diff changeset
1314
247
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parents: 245
diff changeset
1315 private boolean LongComment() throws ParseException {
104
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diff changeset
1316 parser.begin();
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diff changeset
1317 if( !parser.match("--[") )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1318 return parser.failure();
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diff changeset
1319 int start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1320 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1321 int nEquals = parser.currentIndex() - start;
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1322 if( !parser.match('[') )
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diff changeset
1323 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1324 while( !LongBracketsEnd(nEquals) ) {
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parents: 99
diff changeset
1325 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1326 throw parser.exception("Unclosed comment");
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
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1327 }
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parents: 99
diff changeset
1328 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1329 }
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parents: 99
diff changeset
1330
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parents: 99
diff changeset
1331 private boolean LongBracketsEnd(int nEquals) {
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parents: 99
diff changeset
1332 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1333 if( !parser.match(']') )
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diff changeset
1334 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1335 while( nEquals-- > 0 ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1336 if( !parser.match('=') )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1337 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1338 }
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parents: 99
diff changeset
1339 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1340 return parser.failure();
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parents: 99
diff changeset
1341 return parser.success();
12
9cea1aea5eef CmdLine can run files
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diff changeset
1342 }
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diff changeset
1343
5
9ef0fd711101 start LuaParser
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diff changeset
1344 }