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annotate core/src/luan/impl/LuanParser.java @ 181:5d2cb8c1f844

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add web logging git-svn-id: https://luan-java.googlecode.com/svn/trunk@182 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 24 Jun 2014 07:16:53 +0000
parents 5351374efb6d
children cf939124461a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
166
4eaee12f6c65 move luan/interp to impl
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diff changeset
1 package luan.impl;
5
9ef0fd711101 start LuaParser
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2
12
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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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9ef0fd711101 start LuaParser
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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
9ef0fd711101 start LuaParser
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14 final class LuanParser {
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16 private static final class Frame {
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17 final Frame parent;
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18 final List<String> symbols = new ArrayList<String>();
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19 int stackSize = 0;
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20 int loops = 0;
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21 boolean isVarArg = false;
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22 final List<String> upValueSymbols = new ArrayList<String>();
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23 final List<UpValue.Getter> upValueGetters = new ArrayList<UpValue.Getter>();
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25 Frame(UpValue.Getter envGetter) {
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0cdc1da466ee implement _G and _ENV
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26 this.parent = null;
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27 upValueSymbols.add(_ENV);
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28 upValueGetters.add(envGetter);
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29 }
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30
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31 Frame(Frame parent) {
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32 this.parent = parent;
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33 if( upValueIndex(_ENV) != 0 )
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34 throw new RuntimeException();
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35 }
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36
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37 int stackIndex(String name) {
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38 int i = symbols.size();
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39 while( --i >= 0 ) {
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40 if( symbols.get(i).equals(name) )
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41 return i;
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42 }
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43 return -1;
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44 }
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45
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46 int upValueIndex(String name) {
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47 int i = upValueSymbols.size();
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48 while( --i >= 0 ) {
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49 if( upValueSymbols.get(i).equals(name) )
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50 return i;
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51 }
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52 if( parent==null )
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53 return -1;
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54 i = parent.stackIndex(name);
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55 if( i != -1 ) {
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56 upValueGetters.add(new UpValue.StackGetter(i));
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57 } else {
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58 i = parent.upValueIndex(name);
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59 if( i == -1 )
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60 return -1;
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61 upValueGetters.add(new UpValue.NestedGetter(i));
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62 }
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63 upValueSymbols.add(name);
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64 return upValueSymbols.size() - 1;
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65 }
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67 void addUpValueGetter(String name,UpValue.Getter upValueGetter) {
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68 upValueSymbols.add(name);
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69 upValueGetters.add(upValueGetter);
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70 }
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71 }
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72
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73 private static class In {
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74 static final In NOTHING = new In(false,false);
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75
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76 final boolean parens;
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77 final boolean template;
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78
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79 private In(boolean parens,boolean template) {
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80 this.parens = parens;
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81 this.template = template;
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82 }
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83
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84 In parens() {
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85 return parens ? this : new In(true,template);
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86 }
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87
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88 In template() {
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89 return template ? this : new In(parens,true);
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90 }
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91 }
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92
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93 private static final String _ENV = "_ENV";
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94 private static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0];
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95
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96 final LuanSource source;
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97 private Frame frame;
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98 private final Parser parser;
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99 private final boolean interactive;
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100
108
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101 LuanParser(LuanSource source,UpValue.Getter envGetter) {
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102 this.source = source;
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103 this.frame = new Frame(envGetter);
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104 this.parser = new Parser(source);
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105 this.interactive = envGetter instanceof UpValue.ValueGetter;
108
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106 }
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107
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108 void addVar(String name,Object value) {
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109 frame.addUpValueGetter(name,new UpValue.ValueGetter(value));
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110 }
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111
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112 private LuanSource.Element se(int start) {
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113 return new LuanSource.Element(source,start,parser.currentIndex());
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114 }
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115
104
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116 private List<String> symbols() {
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117 return frame.symbols;
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118 }
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119
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120 private int symbolsSize() {
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121 return frame.symbols.size();
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122 }
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123
104
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124 private void addSymbol(String name) {
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125 frame.symbols.add(name);
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126 if( frame.stackSize < symbolsSize() )
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127 frame.stackSize = symbolsSize();
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128 }
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129
104
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130 private void addSymbols(List<String> names) {
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131 frame.symbols.addAll(names);
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132 if( frame.stackSize < symbolsSize() )
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133 frame.stackSize = symbolsSize();
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134 }
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135
104
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136 private int stackIndex(String name) {
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137 return frame.stackIndex(name);
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138 }
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139
104
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140 private void popSymbols(int n) {
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141 List<String> symbols = frame.symbols;
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142 while( n-- > 0 ) {
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143 symbols.remove(symbols.size()-1);
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144 }
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145 }
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146
104
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147 private int upValueIndex(String name) {
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148 return frame.upValueIndex(name);
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149 }
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150
104
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151 private void incLoops() {
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152 frame.loops++;
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153 }
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154
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155 private void decLoops() {
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156 frame.loops--;
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157 }
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158
104
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159 private <T> T required(T t) throws ParseException {
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160 if( t==null )
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161 throw parser.exception();
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162 return t;
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163 }
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164
104
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165 private <T> T required(T t,String msg) throws ParseException {
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166 if( t==null )
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167 throw parser.exception(msg);
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168 return t;
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169 }
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170
154
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171 private static Expr expr(Expressions exprs) {
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172 if( exprs instanceof Expr )
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173 return (Expr)exprs;
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174 return new ExpressionsExpr(exprs);
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175 }
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176
104
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177 private FnDef newFnDef(int start,Stmt stmt) {
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178 return new FnDef( se(start), stmt, frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) );
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179 }
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180
158
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181 FnDef Expression() throws ParseException {
129
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182 Spaces(In.NOTHING);
104
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183 int start = parser.begin();
158
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184 Expressions expr = Expr(In.NOTHING);
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185 if( expr != null && parser.endOfInput() ) {
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186 Stmt stmt = new ReturnStmt( se(start), expr );
104
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187 return parser.success(newFnDef(start,stmt));
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188 }
108
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189 return parser.failure(null);
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190 }
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191
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192 FnDef RequiredModule() throws ParseException {
129
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193 Spaces(In.NOTHING);
108
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194 int start = parser.begin();
104
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195 frame.isVarArg = true;
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196 Stmt stmt = RequiredBlock();
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197 if( parser.endOfInput() )
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198 return parser.success(newFnDef(start,stmt));
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199 throw parser.exception();
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200 }
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201
104
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202 private Stmt RequiredBlock() throws ParseException {
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203 List<Stmt> stmts = new ArrayList<Stmt>();
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204 int stackStart = symbolsSize();
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205 Stmt(stmts);
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206 while( StmtSep(stmts) ) {
129
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207 Spaces(In.NOTHING);
104
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208 Stmt(stmts);
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209 }
21
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210 int stackEnd = symbolsSize();
19
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211 popSymbols( stackEnd - stackStart );
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212 if( stmts.isEmpty() )
12
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213 return Stmt.EMPTY;
19
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214 if( stmts.size()==1 && stackStart==stackEnd )
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215 return stmts.get(0);
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216 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd );
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217 }
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218
104
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219 private boolean StmtSep(List<Stmt> stmts) throws ParseException {
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220 parser.begin();
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221 if( parser.match( ';' ) )
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222 return parser.success();
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223 if( parser.match( "--" ) ) {
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224 while( parser.noneOf("\r\n") );
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225 }
157
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226 if( EndOfLine() )
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227 return parser.success();
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228 parser.rollback();
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229 Stmt stmt = TemplateStmt();
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230 if( stmt != null ) {
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231 stmts.add(stmt);
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232 return parser.success();
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233 }
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234 return parser.failure();
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235 }
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236
104
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237 private boolean EndOfLine() {
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238 return parser.match( "\r\n" ) || parser.match( '\r' ) || parser.match( '\n' );
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239 }
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240
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241 private void Stmt(List<Stmt> stmts) throws ParseException {
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242 if( LocalStmt(stmts) )
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243 return;
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244 Stmt stmt;
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245 if( (stmt=ReturnStmt()) != null
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246 || (stmt=FunctionStmt()) != null
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247 || (stmt=LocalFunctionStmt()) != null
108
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248 || (stmt=ImportStmt()) != null
104
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249 || (stmt=BreakStmt()) != null
127
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250 || (stmt=ForStmt()) != null
104
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251 || (stmt=TryStmt()) != null
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252 || (stmt=DoStmt()) != null
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253 || (stmt=WhileStmt()) != null
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254 || (stmt=FunctionStmt()) != null
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255 || (stmt=RepeatStmt()) != null
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256 || (stmt=IfStmt()) != null
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257 || (stmt=SetStmt()) != null
159
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258 || (stmt=ExpressionsStmt()) != null
104
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259 ) {
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260 stmts.add(stmt);
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261 }
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262 }
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263
157
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264 private Stmt TemplateStmt() throws ParseException {
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265 int start = parser.currentIndex();
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266 Expressions exp = TemplateExpressions(In.NOTHING);
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267 if( exp == null )
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268 return null;
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269 Expr fnExp = (Expr)nameVar(start,"Io").expr();
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270 fnExp = new IndexExpr( se(start), fnExp, new ConstExpr("stdout") );
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271 fnExp = new IndexExpr( se(start), fnExp, new ConstExpr("write") );
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272 FnCall fnCall = new FnCall( se(start), fnExp, exp );
159
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273 return new ExpressionsStmt(fnCall);
157
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274 }
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275
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276 private Expressions TemplateExpressions(In in) throws ParseException {
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277 if( in.template )
129
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278 return null;
104
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279 int start = parser.begin();
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280 if( !parser.match( "%>" ) )
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281 return parser.failure(null);
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282 EndOfLine();
157
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283 In inTemplate = in.template();
154
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284 List<Expressions> builder = new ArrayList<Expressions>();
104
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285 while(true) {
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286 if( parser.match( "<%=" ) ) {
157
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287 Spaces(inTemplate);
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288 builder.add( RequiredExpr(inTemplate) );
104
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289 RequiredMatch( "%>" );
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290 } else if( parser.match( "<%" ) ) {
157
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291 Spaces(inTemplate);
154
c2e5101682ae Expr extends Expressions
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292 return parser.success(ExpList.build(builder));
104
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293 } else {
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294 int i = parser.currentIndex();
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295 do {
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296 if( parser.match( "%>" ) )
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297 throw parser.exception("'%>' unexpected");
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298 if( !parser.anyChar() )
157
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299 throw parser.exception("Unclosed template expression");
104
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300 } while( !parser.test( "<%" ) );
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301 String match = parser.textFrom(i);
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302 builder.add( new ConstExpr(match) );
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303 }
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304 }
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305 }
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306
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307 private Stmt ReturnStmt() throws ParseException {
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308 int start = parser.begin();
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309 if( !Keyword("return",In.NOTHING) )
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310 return parser.failure(null);
129
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311 Expressions exprs = ExpList(In.NOTHING);
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312 if( exprs==null )
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313 exprs = ExpList.emptyExpList;
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314 return parser.success( new ReturnStmt(se(start),exprs) );
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315 }
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316
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317 private Stmt FunctionStmt() throws ParseException {
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318 parser.begin();
129
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319 if( !Keyword("function",In.NOTHING) )
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320 return parser.failure(null);
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321
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322 int start = parser.currentIndex();
129
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323 Var var = nameVar(start,RequiredName(In.NOTHING));
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324 while( parser.match( '.' ) ) {
129
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325 Spaces(In.NOTHING);
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326 var = indexVar( start, expr(var.expr()), NameExpr(In.NOTHING) );
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327 }
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328 Settable fnName = var.settable();
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329
129
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330 FnDef fnDef = RequiredFunction(In.NOTHING);
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331 return parser.success( new SetStmt(fnName,fnDef) );
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332 }
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333
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334 private Stmt LocalFunctionStmt() throws ParseException {
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335 parser.begin();
129
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336 if( !(Keyword("local",In.NOTHING) && Keyword("function",In.NOTHING)) )
104
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337 return parser.failure(null);
129
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338 String name = RequiredName(In.NOTHING);
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339 addSymbol( name );
129
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340 FnDef fnDef = RequiredFunction(In.NOTHING);
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341 return parser.success( new SetStmt( new SetLocalVar(symbolsSize()-1), fnDef ) );
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342 }
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343
108
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344 private Stmt ImportStmt() throws ParseException {
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345 int start = parser.begin();
129
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346 if( !Keyword("import",In.NOTHING) )
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347 return parser.failure(null);
179
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348 Expr importExpr;
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349 {
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350 LuanSource.Element se = se(start);
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351 int index = stackIndex("require");
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352 if( index != -1 ) {
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353 importExpr = new GetLocalVar(se,index);
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354 } else {
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355 index = upValueIndex("require");
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356 if( index != -1 ) {
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357 importExpr = new GetUpVar(se,index);
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358 } else {
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359 throw parser.exception("no local 'require' function, needed for import");
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360 }
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361 }
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362 }
129
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363 String modName = StringLiteral(In.NOTHING);
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364 if( modName==null )
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365 return parser.failure(null);
175
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366 int i = modName.lastIndexOf('/');
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367 if( i == -1 )
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368 i = modName.lastIndexOf('.');
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369 String varName = modName.substring(i+1);
180
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370 if( !isValidName(varName) )
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371 throw parser.exception("invalid variable name '"+varName+"' in import");
108
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372 LuanSource.Element se = se(start);
154
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373 FnCall require = new FnCall( se, importExpr, new ConstExpr(modName) );
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374 Settable settable;
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375 if( interactive ) {
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376 settable = nameVar(se,varName).settable();
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377 } else {
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378 addSymbol( varName );
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379 settable = new SetLocalVar(symbolsSize()-1);
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380 }
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381 return parser.success( new SetStmt( settable, expr(require) ) );
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382 }
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383
180
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384 private boolean isValidName(String s) {
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385 if( s.length() == 0 )
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386 return false;
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387 char c = s.charAt(0);
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388 if( !('a'<=c && c<='z' || 'A'<=c && c<='Z' || c=='_') )
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389 return false;
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390 for( int i=1; i<s.length() ; i++ ) {
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391 if( !('a'<=c && c<='z' || 'A'<=c && c<='Z' || c=='_' || '0'<=c && c<='9') )
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392 return false;
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393 }
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394 return true;
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395 }
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diff changeset
396
104
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diff changeset
397 private Stmt BreakStmt() throws ParseException {
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398 parser.begin();
129
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399 if( !Keyword("break",In.NOTHING) )
104
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400 return parser.failure(null);
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401 if( frame.loops <= 0 )
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402 throw parser.exception("'break' outside of loop");
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403 return parser.success( new BreakStmt() );
17
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diff changeset
404 }
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405
127
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406 private Stmt ForStmt() throws ParseException {
104
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407 int start = parser.begin();
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408 int stackStart = symbolsSize();
129
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409 if( !Keyword("for",In.NOTHING) )
104
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410 return parser.failure(null);
129
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411 List<String> names = RequiredNameList(In.NOTHING);
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412 if( !Keyword("in",In.NOTHING) )
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413 return parser.failure(null);
129
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414 Expr expr = expr(RequiredExpr(In.NOTHING));
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415 RequiredKeyword("do",In.NOTHING);
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416 addSymbols(names);
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417 Stmt loop = RequiredLoopBlock();
129
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418 RequiredKeyword("end",In.NOTHING);
127
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419 Stmt stmt = new ForStmt( se(start), stackStart, symbolsSize() - stackStart, expr, loop );
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420 popSymbols( symbolsSize() - stackStart );
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diff changeset
421 return parser.success(stmt);
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422 }
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423
104
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diff changeset
424 private Stmt TryStmt() throws ParseException {
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425 parser.begin();
129
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426 if( !Keyword("try",In.NOTHING) )
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427 return parser.failure(null);
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428 Stmt tryBlock = RequiredBlock();
129
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diff changeset
429 RequiredKeyword("catch",In.NOTHING);
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430 String name = RequiredName(In.NOTHING);
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431 addSymbol(name);
129
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432 RequiredKeyword("do",In.NOTHING);
104
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433 Stmt catchBlock = RequiredBlock();
129
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diff changeset
434 RequiredKeyword("end",In.NOTHING);
104
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435 Stmt stmt = new TryStmt( tryBlock, symbolsSize()-1, catchBlock );
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diff changeset
436 popSymbols(1);
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parents: 99
diff changeset
437 return parser.success(stmt);
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diff changeset
438 }
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diff changeset
439
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diff changeset
440 private Stmt DoStmt() throws ParseException {
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diff changeset
441 parser.begin();
129
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442 if( !Keyword("do",In.NOTHING) )
104
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diff changeset
443 return parser.failure(null);
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444 Stmt stmt = RequiredBlock();
129
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445 RequiredKeyword("end",In.NOTHING);
104
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diff changeset
446 return parser.success(stmt);
21
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diff changeset
447 }
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448
104
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449 private boolean LocalStmt(List<Stmt> stmts) throws ParseException {
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450 parser.begin();
129
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451 if( !Keyword("local",In.NOTHING) )
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452 return parser.failure();
129
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453 List<String> names = NameList(In.NOTHING);
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diff changeset
454 if( names==null )
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diff changeset
455 return parser.failure();
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456 if( parser.match( '=' ) ) {
129
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457 Spaces(In.NOTHING);
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458 Expressions values = ExpList(In.NOTHING);
104
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diff changeset
459 if( values==null )
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diff changeset
460 throw parser.exception("Expressions expected");
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diff changeset
461 SetLocalVar[] vars = new SetLocalVar[names.size()];
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diff changeset
462 int stackStart = symbolsSize();
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diff changeset
463 for( int i=0; i<vars.length; i++ ) {
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diff changeset
464 vars[i] = new SetLocalVar(stackStart+i);
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diff changeset
465 }
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diff changeset
466 stmts.add( new SetStmt( vars, values ) );
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diff changeset
467 }
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diff changeset
468 addSymbols(names);
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diff changeset
469 return parser.success();
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diff changeset
470 }
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diff changeset
471
129
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diff changeset
472 private List<String> RequiredNameList(In in) throws ParseException {
104
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diff changeset
473 parser.begin();
129
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diff changeset
474 List<String> names = NameList(in);
104
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diff changeset
475 if( names==null )
139
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diff changeset
476 throw parser.exception("Name expected");
104
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diff changeset
477 return parser.success(names);
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parents: 99
diff changeset
478 }
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diff changeset
479
129
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diff changeset
480 private List<String> NameList(In in) throws ParseException {
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diff changeset
481 String name = Name(in);
104
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diff changeset
482 if( name==null )
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diff changeset
483 return null;
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parents: 99
diff changeset
484 List<String> names = new ArrayList<String>();
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diff changeset
485 names.add(name);
139
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 137
diff changeset
486 while( (name=anotherName(in)) != null ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
487 names.add(name);
104
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diff changeset
488 }
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diff changeset
489 return names;
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diff changeset
490 }
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diff changeset
491
139
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 137
diff changeset
492 private String anotherName(In in) throws ParseException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
493 parser.begin();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
494 if( !parser.match( ',' ) )
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diff changeset
495 return parser.failure(null);
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diff changeset
496 Spaces(in);
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parents: 137
diff changeset
497 String name = Name(in);
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parents: 137
diff changeset
498 if( name==null )
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parents: 137
diff changeset
499 return parser.failure(null);
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parents: 137
diff changeset
500 return parser.success(name);
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parents: 137
diff changeset
501 }
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parents: 137
diff changeset
502
104
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diff changeset
503 private Stmt WhileStmt() throws ParseException {
151
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diff changeset
504 int start = parser.begin();
129
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diff changeset
505 if( !Keyword("while",In.NOTHING) )
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diff changeset
506 return parser.failure(null);
129
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diff changeset
507 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
508 RequiredKeyword("do",In.NOTHING);
104
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diff changeset
509 Stmt loop = RequiredLoopBlock();
129
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diff changeset
510 RequiredKeyword("end",In.NOTHING);
151
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diff changeset
511 return parser.success( new WhileStmt(se(start),cnd,loop) );
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diff changeset
512 }
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diff changeset
513
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diff changeset
514 private Stmt RepeatStmt() throws ParseException {
151
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diff changeset
515 int start = parser.begin();
129
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diff changeset
516 if( !Keyword("repeat",In.NOTHING) )
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diff changeset
517 return parser.failure(null);
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diff changeset
518 Stmt loop = RequiredLoopBlock();
129
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diff changeset
519 RequiredKeyword("until",In.NOTHING);
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diff changeset
520 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
521 return parser.success( new RepeatStmt(se(start),loop,cnd) );
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diff changeset
522 }
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diff changeset
523
104
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diff changeset
524 private Stmt RequiredLoopBlock() throws ParseException {
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parents: 99
diff changeset
525 incLoops();
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parents: 99
diff changeset
526 Stmt stmt = RequiredBlock();
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parents: 99
diff changeset
527 decLoops();
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diff changeset
528 return stmt;
21
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parents: 20
diff changeset
529 }
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parents: 20
diff changeset
530
104
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parents: 99
diff changeset
531 private Stmt IfStmt() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
532 parser.begin();
129
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diff changeset
533 if( !Keyword("if",In.NOTHING) )
104
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parents: 99
diff changeset
534 return parser.failure(null);
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parents: 99
diff changeset
535 return parser.success( IfStmt2() );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
536 }
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parents: 99
diff changeset
537
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parents: 99
diff changeset
538 private Stmt IfStmt2() throws ParseException {
151
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parents: 149
diff changeset
539 int start = parser.currentIndex();
129
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diff changeset
540 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
541 RequiredKeyword("then",In.NOTHING);
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diff changeset
542 Stmt thenBlock = RequiredBlock();
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parents: 99
diff changeset
543 Stmt elseBlock;
129
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diff changeset
544 if( Keyword("elseif",In.NOTHING) ) {
104
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parents: 99
diff changeset
545 elseBlock = IfStmt2();
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parents: 99
diff changeset
546 } else {
129
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diff changeset
547 elseBlock = Keyword("else",In.NOTHING) ? RequiredBlock() : Stmt.EMPTY;
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diff changeset
548 RequiredKeyword("end",In.NOTHING);
104
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parents: 99
diff changeset
549 }
151
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parents: 149
diff changeset
550 return new IfStmt(se(start),cnd,thenBlock,elseBlock);
20
d85510d92eee add BreakStmt
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parents: 19
diff changeset
551 }
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parents: 19
diff changeset
552
104
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diff changeset
553 private Stmt SetStmt() throws ParseException {
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parents: 99
diff changeset
554 parser.begin();
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parents: 99
diff changeset
555 List<Settable> vars = new ArrayList<Settable>();
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parents: 99
diff changeset
556 Settable s = SettableVar();
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parents: 99
diff changeset
557 if( s == null )
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parents: 99
diff changeset
558 return parser.failure(null);
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parents: 99
diff changeset
559 vars.add(s);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
560 while( parser.match( ',' ) ) {
129
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parents: 128
diff changeset
561 Spaces(In.NOTHING);
104
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diff changeset
562 s = SettableVar();
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parents: 99
diff changeset
563 if( s == null )
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parents: 99
diff changeset
564 return parser.failure(null);
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parents: 99
diff changeset
565 vars.add(s);
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parents: 99
diff changeset
566 }
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parents: 99
diff changeset
567 if( !parser.match( '=' ) )
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parents: 99
diff changeset
568 return parser.failure(null);
129
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parents: 128
diff changeset
569 Spaces(In.NOTHING);
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diff changeset
570 Expressions values = ExpList(In.NOTHING);
104
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parents: 99
diff changeset
571 if( values==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
572 throw parser.exception("Expressions expected");
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parents: 99
diff changeset
573 return parser.success( new SetStmt( vars.toArray(new Settable[0]), values ) );
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parents: 99
diff changeset
574 }
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parents: 99
diff changeset
575
159
0abc9181061a revert rev 154 but only allow FnCall, AndExpr, or OrExpr in ExpressionsStmt
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parents: 158
diff changeset
576 private Stmt ExpressionsStmt() throws ParseException {
104
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parents: 99
diff changeset
577 parser.begin();
159
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parents: 158
diff changeset
578 Expressions exp = Expr(In.NOTHING);
0abc9181061a revert rev 154 but only allow FnCall, AndExpr, or OrExpr in ExpressionsStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 158
diff changeset
579 if( exp instanceof FnCall || exp instanceof AndExpr || exp instanceof OrExpr )
0abc9181061a revert rev 154 but only allow FnCall, AndExpr, or OrExpr in ExpressionsStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 158
diff changeset
580 return parser.success( new ExpressionsStmt(exp) );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 158
diff changeset
581 return parser.failure(null);
104
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parents: 99
diff changeset
582 }
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parents: 99
diff changeset
583
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parents: 99
diff changeset
584 private Settable SettableVar() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
585 int start = parser.begin();
129
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parents: 128
diff changeset
586 Var var = VarZ(In.NOTHING);
104
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parents: 99
diff changeset
587 if( var==null )
155
db7b3902e01c fix parsing problems
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parents: 154
diff changeset
588 return parser.failure(null);
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parents: 154
diff changeset
589 return parser.success( var.settable() );
104
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parents: 99
diff changeset
590 }
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parents: 99
diff changeset
591
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
592 private Expressions RequiredExpr(In in) throws ParseException {
129
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parents: 128
diff changeset
593 parser.begin();
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parents: 128
diff changeset
594 return parser.success(required(Expr(in),"Bad expression"));
104
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parents: 99
diff changeset
595 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
596
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
597 private Expressions Expr(In in) throws ParseException {
104
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598 parser.begin();
154
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diff changeset
599 Expressions exp;
129
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600 return (exp = VarArgs(in)) != null
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601 || (exp = OrExpr(in)) != null
107
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602 ? parser.success(exp)
154
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603 : parser.failure((Expressions)null)
107
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604 ;
19
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605 }
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606
154
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607 private Expressions OrExpr(In in) throws ParseException {
104
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608 int start = parser.begin();
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609 Expressions exp = AndExpr(in);
104
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diff changeset
610 if( exp==null )
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611 return parser.failure(null);
129
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612 while( Keyword("or",in) ) {
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613 exp = new OrExpr( se(start), expr(exp), required(expr(AndExpr(in))) );
104
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614 }
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diff changeset
615 return parser.success(exp);
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616 }
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diff changeset
617
154
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618 private Expressions AndExpr(In in) throws ParseException {
104
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619 int start = parser.begin();
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620 Expressions exp = RelExpr(in);
104
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diff changeset
621 if( exp==null )
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622 return parser.failure(null);
129
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623 while( Keyword("and",in) ) {
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624 exp = new AndExpr( se(start), expr(exp), required(expr(RelExpr(in))) );
104
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diff changeset
625 }
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diff changeset
626 return parser.success(exp);
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627 }
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diff changeset
628
154
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diff changeset
629 private Expressions RelExpr(In in) throws ParseException {
104
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630 int start = parser.begin();
154
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631 Expressions exp = ConcatExpr(in);
104
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diff changeset
632 if( exp==null )
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diff changeset
633 return parser.failure(null);
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diff changeset
634 while(true) {
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diff changeset
635 if( parser.match("==") ) {
129
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diff changeset
636 Spaces(in);
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637 exp = new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
638 } else if( parser.match("~=") ) {
129
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diff changeset
639 Spaces(in);
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640 exp = new NotExpr( se(start), new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) ) );
104
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diff changeset
641 } else if( parser.match("<=") ) {
129
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diff changeset
642 Spaces(in);
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643 exp = new LeExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
644 } else if( parser.match(">=") ) {
129
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diff changeset
645 Spaces(in);
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diff changeset
646 exp = new LeExpr( se(start), required(expr(ConcatExpr(in))), expr(exp) );
104
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diff changeset
647 } else if( parser.match("<") ) {
129
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diff changeset
648 Spaces(in);
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649 exp = new LtExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
650 } else if( parser.match(">") ) {
129
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diff changeset
651 Spaces(in);
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diff changeset
652 exp = new LtExpr( se(start), required(expr(ConcatExpr(in))), expr(exp) );
104
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diff changeset
653 } else
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diff changeset
654 break;
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diff changeset
655 }
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diff changeset
656 return parser.success(exp);
42
786699c78837 implement try-catch
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diff changeset
657 }
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diff changeset
658
154
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diff changeset
659 private Expressions ConcatExpr(In in) throws ParseException {
104
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diff changeset
660 int start = parser.begin();
154
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diff changeset
661 Expressions exp = SumExpr(in);
104
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diff changeset
662 if( exp==null )
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diff changeset
663 return parser.failure(null);
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diff changeset
664 if( parser.match("..") ) {
129
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diff changeset
665 Spaces(in);
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diff changeset
666 exp = new ConcatExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
667 }
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diff changeset
668 return parser.success(exp);
28
df923e5835b2 fix local initial assignment
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diff changeset
669 }
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diff changeset
670
154
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diff changeset
671 private Expressions SumExpr(In in) throws ParseException {
104
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672 int start = parser.begin();
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673 Expressions exp = TermExpr(in);
104
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diff changeset
674 if( exp==null )
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diff changeset
675 return parser.failure(null);
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diff changeset
676 while(true) {
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parents: 99
diff changeset
677 if( parser.match('+') ) {
129
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diff changeset
678 Spaces(in);
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diff changeset
679 exp = new AddExpr( se(start), expr(exp), required(expr(TermExpr(in))) );
104
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diff changeset
680 } else if( Minus() ) {
129
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diff changeset
681 Spaces(in);
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diff changeset
682 exp = new SubExpr( se(start), expr(exp), required(expr(TermExpr(in))) );
104
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diff changeset
683 } else
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diff changeset
684 break;
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diff changeset
685 }
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diff changeset
686 return parser.success(exp);
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diff changeset
687 }
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diff changeset
688
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diff changeset
689 private boolean Minus() {
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diff changeset
690 parser.begin();
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diff changeset
691 return parser.match('-') && !parser.match('-') ? parser.success() : parser.failure();
12
9cea1aea5eef CmdLine can run files
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diff changeset
692 }
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diff changeset
693
154
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diff changeset
694 private Expressions TermExpr(In in) throws ParseException {
104
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diff changeset
695 int start = parser.begin();
154
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parents: 153
diff changeset
696 Expressions exp = UnaryExpr(in);
104
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parents: 99
diff changeset
697 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
698 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
699 while(true) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
700 if( parser.match('*') ) {
129
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parents: 128
diff changeset
701 Spaces(in);
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
702 exp = new MulExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
703 } else if( parser.match('/') ) {
129
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parents: 128
diff changeset
704 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
705 exp = new DivExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
706 } else if( Mod() ) {
129
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parents: 128
diff changeset
707 Spaces(in);
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
708 exp = new ModExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
104
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parents: 99
diff changeset
709 } else
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
710 break;
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
711 }
104
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parents: 99
diff changeset
712 return parser.success(exp);
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
713 }
09d41f7490a8 add local variables
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parents: 16
diff changeset
714
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
715 private boolean Mod() {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
716 parser.begin();
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
717 return parser.match('%') && !parser.match('>') ? parser.success() : parser.failure();
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
718 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
719
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
720 private Expressions UnaryExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
721 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
722 if( parser.match('#') ) {
129
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parents: 128
diff changeset
723 Spaces(in);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
724 return parser.success( new LenExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
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parents: 99
diff changeset
725 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
726 if( Minus() ) {
129
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parents: 128
diff changeset
727 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
728 return parser.success( new UnmExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
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parents: 99
diff changeset
729 }
129
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parents: 128
diff changeset
730 if( Keyword("not",in) ) {
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
731 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
732 return parser.success( new NotExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
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parents: 99
diff changeset
733 }
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
734 Expressions exp = PowExpr(in);
104
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parents: 99
diff changeset
735 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
736 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
737 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
738 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
739
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
740 private Expressions PowExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
741 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
742 Expressions exp = SingleExpr(in);
104
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parents: 99
diff changeset
743 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
744 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
745 if( parser.match('^') ) {
129
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parents: 128
diff changeset
746 Spaces(in);
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
747 exp = new ConcatExpr( se(start), expr(exp), required(expr(PowExpr(in))) );
104
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parents: 99
diff changeset
748 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
749 return parser.success(exp);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
750 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
751
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
752 private Expressions SingleExpr(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
753 parser.begin();
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
754 Expressions exp;
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
755 exp = FunctionExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
756 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
757 return parser.success(exp);
129
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parents: 128
diff changeset
758 exp = TableExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
759 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
760 return parser.success(exp);
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
761 exp = VarExp(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
762 if( exp != null )
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(exp);
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
764 exp = Literal(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
765 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
766 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
767 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
768 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
769
129
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parents: 128
diff changeset
770 private Expr FunctionExpr(In in) throws ParseException {
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
771 if( !Keyword("function",in) )
104
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parents: 99
diff changeset
772 return null;
129
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parents: 128
diff changeset
773 return RequiredFunction(in);
20
d85510d92eee add BreakStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
774 }
d85510d92eee add BreakStmt
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parents: 19
diff changeset
775
129
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parents: 128
diff changeset
776 private FnDef RequiredFunction(In in) throws ParseException {
104
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parents: 99
diff changeset
777 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
778 RequiredMatch('(');
129
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parents: 128
diff changeset
779 In inParens = in.parens();
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
780 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
781 frame = new Frame(frame);
129
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parents: 128
diff changeset
782 List<String> names = NameList(in);
104
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parents: 99
diff changeset
783 if( names != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
784 addSymbols(names);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
785 if( parser.match(',') ) {
129
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parents: 128
diff changeset
786 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
787 if( !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
788 throw parser.exception();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
789 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
790 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
791 } else if( parser.match("...") ) {
129
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parents: 128
diff changeset
792 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
793 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
794 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
795 RequiredMatch(')');
129
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796 Spaces(in);
104
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diff changeset
797 Stmt block = RequiredBlock();
129
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diff changeset
798 RequiredKeyword("end",in);
104
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diff changeset
799 FnDef fnDef = newFnDef(start,block);
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diff changeset
800 frame = frame.parent;
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diff changeset
801 return parser.success(fnDef);
11
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diff changeset
802 }
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diff changeset
803
129
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diff changeset
804 private VarArgs VarArgs(In in) throws ParseException {
104
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diff changeset
805 int start = parser.begin();
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diff changeset
806 if( !frame.isVarArg || !parser.match("...") )
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diff changeset
807 return parser.failure(null);
129
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diff changeset
808 Spaces(in);
104
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diff changeset
809 return parser.success( new VarArgs(se(start)) );
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diff changeset
810 }
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diff changeset
811
129
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diff changeset
812 private Expr TableExpr(In in) throws ParseException {
104
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diff changeset
813 int start = parser.begin();
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diff changeset
814 if( !parser.match('{') )
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diff changeset
815 return parser.failure(null);
129
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diff changeset
816 In inParens = in.parens();
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diff changeset
817 Spaces(inParens);
104
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diff changeset
818 List<TableExpr.Field> fields = new ArrayList<TableExpr.Field>();
154
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diff changeset
819 List<Expressions> builder = new ArrayList<Expressions>();
129
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diff changeset
820 while( Field(fields,builder,in) && FieldSep(inParens) );
148
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diff changeset
821 Spaces(inParens);
107
dbf459397217 change OutputStatement to JspExpressions;
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diff changeset
822 if( !parser.match('}') )
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diff changeset
823 throw parser.exception("Expected table element or '}'");
154
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diff changeset
824 return parser.success( new TableExpr( se(start), fields.toArray(new TableExpr.Field[0]), ExpList.build(builder) ) );
104
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diff changeset
825 }
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diff changeset
826
129
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diff changeset
827 private boolean FieldSep(In in) throws ParseException {
104
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diff changeset
828 if( !parser.anyOf(",;") )
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diff changeset
829 return false;
129
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diff changeset
830 Spaces(in);
14
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diff changeset
831 return true;
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diff changeset
832 }
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diff changeset
833
154
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diff changeset
834 private boolean Field(List<TableExpr.Field> fields,List<Expressions> builder,In in) throws ParseException {
104
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diff changeset
835 parser.begin();
129
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diff changeset
836 Expr exp = SubExpr(in);
104
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diff changeset
837 if( exp==null )
129
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diff changeset
838 exp = NameExpr(in);
104
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diff changeset
839 if( exp!=null && parser.match('=') ) {
137
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diff changeset
840 Spaces(in);
129
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diff changeset
841 fields.add( new TableExpr.Field( exp, required(expr(Expr(in))) ) );
104
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diff changeset
842 return parser.success();
17
09d41f7490a8 add local variables
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diff changeset
843 }
104
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diff changeset
844 parser.rollback();
154
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diff changeset
845 Expressions exprs = Expr(in);
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diff changeset
846 if( exprs != null ) {
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diff changeset
847 builder.add(exprs);
104
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diff changeset
848 return parser.success();
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diff changeset
849 }
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diff changeset
850 return parser.failure();
7
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diff changeset
851 }
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diff changeset
852
154
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diff changeset
853 private Expressions VarExp(In in) throws ParseException {
129
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diff changeset
854 Var var = VarZ(in);
104
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diff changeset
855 return var==null ? null : var.expr();
8
8896068e0a4b finish operators
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parents: 7
diff changeset
856 }
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diff changeset
857
129
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diff changeset
858 private Var VarZ(In in) throws ParseException {
104
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diff changeset
859 int start = parser.begin();
129
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diff changeset
860 Var var = VarStart(in);
104
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diff changeset
861 if( var==null )
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diff changeset
862 return parser.failure(null);
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diff changeset
863 Var var2;
129
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diff changeset
864 while( (var2=Var2(in,start,var.expr())) != null ) {
104
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diff changeset
865 var = var2;
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parents: 99
diff changeset
866 }
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diff changeset
867 return parser.success(var);
7
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diff changeset
868 }
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diff changeset
869
154
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diff changeset
870 private Var Var2(In in,int start,Expressions exp1) throws ParseException {
155
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diff changeset
871 parser.begin();
129
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diff changeset
872 Var var = VarExt(in,start,exp1);
104
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diff changeset
873 if( var != null )
155
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diff changeset
874 return parser.success(var);
104
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diff changeset
875 if( parser.match("->") ) {
129
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diff changeset
876 Spaces(in);
154
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diff changeset
877 List<Expressions> builder = new ArrayList<Expressions>();
104
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diff changeset
878 builder.add(exp1);
129
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diff changeset
879 Expr exp2 = expr(RequiredVarExpB(in));
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diff changeset
880 FnCall fnCall = required(Args( in, start, exp2, builder ));
155
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diff changeset
881 return parser.success(exprVar(fnCall));
104
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diff changeset
882 }
154
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diff changeset
883 FnCall fnCall = Args( in, start, expr(exp1), new ArrayList<Expressions>() );
104
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diff changeset
884 if( fnCall != null )
155
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diff changeset
885 return parser.success(exprVar(fnCall));
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diff changeset
886 return parser.failure(null);
21
c93d8c781853 add functions
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diff changeset
887 }
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diff changeset
888
154
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parents: 153
diff changeset
889 private Expressions RequiredVarExpB(In in) throws ParseException {
104
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diff changeset
890 int start = parser.begin();
129
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diff changeset
891 Var var = required(VarStart(in));
104
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diff changeset
892 Var var2;
129
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diff changeset
893 while( (var2=VarExt(in,start,var.expr())) != null ) {
104
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parents: 99
diff changeset
894 var = var2;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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 return parser.success(var.expr());
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
897 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
898
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
899 private Var VarExt(In in,int start,Expressions exp1) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
900 parser.begin();
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
901 Expr exp2 = SubExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
902 if( exp2 != null )
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
903 return parser.success(indexVar(start,expr(exp1),exp2));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
904 if( parser.match('.') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
905 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
906 exp2 = NameExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
907 if( exp2!=null )
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
908 return parser.success(indexVar(start,expr(exp1),exp2));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
909 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
910 return parser.failure(null);
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
911 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
912
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
913 private Var VarStart(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
914 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
915 if( parser.match('(') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
916 In inParens = in.parens();
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
917 Spaces(inParens);
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
918 Expr exp = expr(RequiredExpr(inParens));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
919 RequiredMatch(')');
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
920 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
921 return parser.success(exprVar(exp));
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
922 }
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
923 String name = Name(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
924 if( name != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
925 return parser.success(nameVar(start,name));
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
926 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
927 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
928
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
929 private Expr env() {
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
930 int index = stackIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
931 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
932 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
933 index = upValueIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
934 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
935 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
936 throw new RuntimeException("_ENV not found");
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
937 }
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
938
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
939 private interface Var {
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
940 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
941 public Settable settable();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
942 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
943
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
944 private Var nameVar(final int start,final String name) {
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
945 return nameVar(se(start),name);
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
946 }
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
947
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
948 private Var nameVar(final LuanSource.Element se,final String name) {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
949 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
950
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
951 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
952 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
953 if( index != -1 )
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
954 return new GetLocalVar(se,index);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
955 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
956 if( index != -1 )
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
957 return new GetUpVar(se,index);
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
958 return new IndexExpr( se, env(), new ConstExpr(name) );
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
959 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
960
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
961 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
962 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
963 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
964 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
965 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
966 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
967 return new SetUpVar(index);
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
968 return new SetTableEntry( se, env(), new ConstExpr(name) );
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
969 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
970 };
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
971 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
972
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
973 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
974 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
975
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
976 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
977 return expr;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
978 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
979
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
980 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
981 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
982 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
983 };
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
984 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
985
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
986 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
987 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
988
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
989 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
990 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
991 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
992
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
993 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
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994 return new SetTableEntry(se(start),table,key);
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995 }
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996 };
9
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997 }
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998
154
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999 private FnCall Args(In in,int start,Expr fn,List<Expressions> builder) throws ParseException {
104
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1000 parser.begin();
129
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1001 return args(in,builder)
154
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1002 ? parser.success( new FnCall( se(start), fn, ExpList.build(builder) ) )
107
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1003 : parser.failure((FnCall)null);
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1004 }
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1005
154
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1006 private boolean args(In in,List<Expressions> builder) throws ParseException {
104
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diff changeset
1007 if( parser.match('(') ) {
129
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1008 In inParens = in.parens();
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diff changeset
1009 Spaces(inParens);
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1010 ExpList(inParens,builder); // optional
107
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diff changeset
1011 if( !parser.match(')') )
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1012 throw parser.exception("Expression or ')' expected");
129
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1013 Spaces(in);
107
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diff changeset
1014 return true;
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1015 }
129
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1016 Expr exp = TableExpr(in);
107
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diff changeset
1017 if( exp != null ) {
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diff changeset
1018 builder.add(exp);
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diff changeset
1019 return true;
104
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1020 }
129
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1021 String s = StringLiteral(in);
107
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diff changeset
1022 if( s != null ) {
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diff changeset
1023 builder.add( new ConstExpr(s) );
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diff changeset
1024 return true;
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diff changeset
1025 }
181
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diff changeset
1026 /*
157
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diff changeset
1027 Expressions exps = TemplateExpressions(in);
107
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diff changeset
1028 if( exps != null ) {
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diff changeset
1029 builder.add(exps);
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diff changeset
1030 return true;
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1031 }
181
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diff changeset
1032 */
107
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diff changeset
1033 return false;
11
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diff changeset
1034 }
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diff changeset
1035
129
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diff changeset
1036 private Expressions ExpList(In in) throws ParseException {
154
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diff changeset
1037 List<Expressions> builder = new ArrayList<Expressions>();
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diff changeset
1038 return ExpList(in,builder) ? ExpList.build(builder) : null;
104
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diff changeset
1039 }
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1040
154
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diff changeset
1041 private boolean ExpList(In in,List<Expressions> builder) throws ParseException {
104
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diff changeset
1042 parser.begin();
158
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diff changeset
1043 Expressions exp = TemplateExpressions(in);
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diff changeset
1044 if( exp != null ) {
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diff changeset
1045 builder.add(exp);
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diff changeset
1046 return parser.success();
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diff changeset
1047 }
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diff changeset
1048 exp = Expr(in);
104
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diff changeset
1049 if( exp==null )
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diff changeset
1050 return parser.failure();
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diff changeset
1051 builder.add(exp);
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diff changeset
1052 while( parser.match(',') ) {
129
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diff changeset
1053 Spaces(in);
158
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diff changeset
1054 exp = TemplateExpressions(in);
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diff changeset
1055 if( exp != null ) {
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diff changeset
1056 builder.add(exp);
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diff changeset
1057 return parser.success();
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diff changeset
1058 }
129
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diff changeset
1059 builder.add( RequiredExpr(in) );
104
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diff changeset
1060 }
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diff changeset
1061 return parser.success();
9
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diff changeset
1062 }
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diff changeset
1063
129
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diff changeset
1064 private Expr SubExpr(In in) throws ParseException {
104
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diff changeset
1065 parser.begin();
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diff changeset
1066 if( !parser.match('[') )
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diff changeset
1067 return parser.failure(null);
129
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diff changeset
1068 In inParens = in.parens();
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diff changeset
1069 Spaces(inParens);
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diff changeset
1070 Expr exp = expr(RequiredExpr(inParens));
104
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diff changeset
1071 RequiredMatch(']');
129
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diff changeset
1072 Spaces(in);
104
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diff changeset
1073 return parser.success(exp);
11
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diff changeset
1074 }
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diff changeset
1075
129
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diff changeset
1076 private Expr NameExpr(In in) throws ParseException {
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diff changeset
1077 String name = Name(in);
104
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diff changeset
1078 return name==null ? null : new ConstExpr(name);
54
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diff changeset
1079 }
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diff changeset
1080
129
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diff changeset
1081 private String RequiredName(In in) throws ParseException {
104
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diff changeset
1082 parser.begin();
129
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diff changeset
1083 String name = Name(in);
104
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diff changeset
1084 if( name==null )
139
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diff changeset
1085 throw parser.exception("Name expected");
104
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diff changeset
1086 return parser.success(name);
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diff changeset
1087 }
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diff changeset
1088
129
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diff changeset
1089 private String Name(In in) throws ParseException {
104
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diff changeset
1090 int start = parser.begin();
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diff changeset
1091 if( !NameFirstChar() )
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diff changeset
1092 return parser.failure(null);
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parents: 99
diff changeset
1093 while( NameChar() );
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parents: 99
diff changeset
1094 String match = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1095 if( keywords.contains(match) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1096 return parser.failure(null);
129
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diff changeset
1097 Spaces(in);
104
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diff changeset
1098 return parser.success(match);
17
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parents: 16
diff changeset
1099 }
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diff changeset
1100
104
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diff changeset
1101 private boolean NameChar() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1102 return NameFirstChar() || Digit();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1103 }
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parents: 99
diff changeset
1104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1105 private boolean NameFirstChar() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1106 return parser.inCharRange('a', 'z') || parser.inCharRange('A', 'Z') || parser.match('_');
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parents: 99
diff changeset
1107 }
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parents: 99
diff changeset
1108
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parents: 99
diff changeset
1109 private void RequiredMatch(char c) throws ParseException {
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parents: 99
diff changeset
1110 if( !parser.match(c) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1111 throw parser.exception("'"+c+"' expected");
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1112 }
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diff changeset
1113
104
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diff changeset
1114 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
1115 if( !parser.match(s) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1116 throw parser.exception("'"+s+"' expected");
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1117 }
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parents: 99
diff changeset
1118
129
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diff changeset
1119 private void RequiredKeyword(String keyword,In in) throws ParseException {
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diff changeset
1120 if( !Keyword(keyword,in) )
104
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diff changeset
1121 throw parser.exception("'"+keyword+"' expected");
9
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parents: 8
diff changeset
1122 }
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parents: 8
diff changeset
1123
129
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diff changeset
1124 private boolean Keyword(String keyword,In in) throws ParseException {
104
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diff changeset
1125 parser.begin();
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parents: 99
diff changeset
1126 if( !parser.match(keyword) || NameChar() )
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parents: 99
diff changeset
1127 return parser.failure();
129
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diff changeset
1128 Spaces(in);
104
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diff changeset
1129 return parser.success();
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1130 }
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parents: 11
diff changeset
1131
104
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diff changeset
1132 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
1133 "and",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1134 "break",
42
786699c78837 implement try-catch
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parents: 40
diff changeset
1135 "catch",
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1136 "do",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1137 "else",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1138 "elseif",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1139 "end",
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parents: 11
diff changeset
1140 "false",
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parents: 11
diff changeset
1141 "for",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1142 "function",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1143 "goto",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1144 "if",
108
3c404a296995 make Package module more standard;
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parents: 107
diff changeset
1145 "import",
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1146 "in",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1147 "local",
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parents: 11
diff changeset
1148 "nil",
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parents: 11
diff changeset
1149 "not",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1150 "or",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1151 "repeat",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1152 "return",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1153 "then",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1154 "true",
42
786699c78837 implement try-catch
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parents: 40
diff changeset
1155 "try",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1156 "until",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1157 "while"
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1158 ));
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parents: 11
diff changeset
1159
129
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parents: 128
diff changeset
1160 private Expr Literal(In in) throws ParseException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1161 if( NilLiteral(in) )
104
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parents: 99
diff changeset
1162 return new ConstExpr(null);
129
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diff changeset
1163 Boolean b = BooleanLiteral(in);
104
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parents: 99
diff changeset
1164 if( b != null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1165 return new ConstExpr(b);
129
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diff changeset
1166 Number n = NumberLiteral(in);
104
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parents: 99
diff changeset
1167 if( n != null )
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parents: 99
diff changeset
1168 return new ConstExpr(n);
129
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diff changeset
1169 String s = StringLiteral(in);
104
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parents: 99
diff changeset
1170 if( s != null )
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parents: 99
diff changeset
1171 return new ConstExpr(s);
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parents: 99
diff changeset
1172 return null;
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1173 }
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parents:
diff changeset
1174
129
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parents: 128
diff changeset
1175 private boolean NilLiteral(In in) throws ParseException {
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parents: 128
diff changeset
1176 return Keyword("nil",in);
65
1ff53a88579a multi-line statements
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parents: 60
diff changeset
1177 }
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parents: 60
diff changeset
1178
129
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diff changeset
1179 private Boolean BooleanLiteral(In in) throws ParseException {
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parents: 128
diff changeset
1180 if( Keyword("true",in) )
104
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diff changeset
1181 return true;
129
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diff changeset
1182 if( Keyword("false",in) )
104
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diff changeset
1183 return false;
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parents: 99
diff changeset
1184 return null;
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1185 }
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parents:
diff changeset
1186
129
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diff changeset
1187 private Number NumberLiteral(In in) throws ParseException {
104
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diff changeset
1188 parser.begin();
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parents: 99
diff changeset
1189 Number n;
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parents: 99
diff changeset
1190 if( parser.matchIgnoreCase("0x") ) {
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parents: 99
diff changeset
1191 n = HexNumber();
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parents: 99
diff changeset
1192 } else {
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parents: 99
diff changeset
1193 n = DecNumber();
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diff changeset
1194 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1195 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
1196 return parser.failure(null);
129
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parents: 128
diff changeset
1197 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1198 return parser.success(n);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1199 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1200
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1201 private Number DecNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1202 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
1203 if( Int() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1204 if( parser.match('.') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1205 Int(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1206 } 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
1207 // ok
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1208 } else
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1209 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
1210 Exponent(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1211 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
1212 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1213
104
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parents: 99
diff changeset
1214 private boolean Exponent() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1215 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1216 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
1217 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1218 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1219 if( !Int() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1220 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1221 return parser.success();
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1222 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1223
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1224 private boolean Int() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1225 if( !Digit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1226 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1227 while( Digit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1228 return true;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1229 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1230
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1231 private boolean Digit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1232 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
1233 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1234
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1235 private Number HexNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1236 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
1237 double n;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1238 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1239 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
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 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1242 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1243 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
1244 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
1245 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1246 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1247 } else if( parser.match('.') && HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1248 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
1249 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
1250 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1251 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
1252 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1253 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
1254 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1255 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1256 if( !HexInt() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1257 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
1258 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
1259 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1260 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
1261 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1262
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1263 private boolean HexInt() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1264 if( !HexDigit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1265 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1266 while( HexDigit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1267 return true;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1268 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1269
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1270
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1271 private boolean HexDigit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1272 return Digit() || parser.anyOf("abcdefABCDEF");
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1273 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1274
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1275 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
1276 String s;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1277 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
1278 && (s=QuotedString('\''))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1279 && (s=LongString())==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1280 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1281 return null;
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1282 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1283 return s;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1284 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1285
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1286 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
1287 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1288 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1289 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
1290 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
1291 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1292 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
1293 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1294 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
1295 EndOfLine();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1296 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1297 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1298 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1299 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
1300 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1301 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
1302 return parser.success(s);
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1303 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1304
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1305 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
1306 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1307 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
1308 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
1309 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
1310 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
1311 Character c = EscSeq();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1312 if( c != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1313 buf.append(c);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1314 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1315 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1316 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
1317 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
1318 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1319 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1320 return parser.success(buf.toString());
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1321 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1322
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1323 private Character EscSeq() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1324 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1325 if( !parser.match('\\') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1326 return parser.failure(null);
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1327 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
1328 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
1329 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
1330 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
1331 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
1332 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
1333 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
1334 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
1335 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
1336 if( parser.match('\'') ) return parser.success('\'');
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1337 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
1338 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
1339 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
1340 if( Digit() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1341 if( Digit() ) Digit(); // optional
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1342 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
1343 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1344 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1345 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1346
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1347 private void Spaces(In in) throws ParseException {
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1348 while( parser.anyOf(" \t") || Comment() || ContinueOnNextLine() || in.parens && NewLine() );
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1349 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1350
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1351 private boolean ContinueOnNextLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1352 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1353 return parser.match('\\') && EndOfLine() ? parser.success() : parser.failure();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1354 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1355
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1356 private boolean NewLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1357 if( !EndOfLine() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1358 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1359 if( parser.match("--") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1360 while( parser.noneOf("\r\n") );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1361 }
18
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1362 return true;
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1363 }
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1364
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1365 private boolean Comment() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1366 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1367 if( !parser.match("--[") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1368 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1369 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
1370 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1371 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
1372 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1373 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1374 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1375 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1376 throw parser.exception("Unclosed comment");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1377 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1378 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1379 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1380
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1381 private boolean LongBracketsEnd(int nEquals) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1382 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1383 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1384 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1385 while( nEquals-- > 0 ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1386 if( !parser.match('=') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1387 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1388 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1389 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1390 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1391 return parser.success();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1392 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1393
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1394 }