Mercurial Hosting > luan
annotate src/luan/interp/LuanParser.java @ 83:b84f66704026
treat OutputStmt as statement separator
git-svn-id: https://luan-java.googlecode.com/svn/trunk@84 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Mon, 18 Feb 2013 22:07:40 +0000 |
parents | 8ea2e94f3318 |
children | 6db8f286fa6c |
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1 package luan.interp; |
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2 |
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3 import java.util.Set; |
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4 import java.util.HashSet; |
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5 import java.util.Arrays; |
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6 import java.util.List; |
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7 import java.util.ArrayList; |
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8 import java.util.Scanner; |
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9 import org.parboiled.BaseParser; |
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10 import org.parboiled.Parboiled; |
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11 import org.parboiled.Rule; |
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12 import org.parboiled.parserunners.ReportingParseRunner; |
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13 import org.parboiled.support.ParsingResult; |
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14 import org.parboiled.support.Var; |
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15 import org.parboiled.support.StringVar; |
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16 import org.parboiled.support.StringBuilderVar; |
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17 import org.parboiled.support.ValueStack; |
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18 import org.parboiled.errors.ErrorUtils; |
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19 import org.parboiled.annotations.Cached; |
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20 import luan.Luan; |
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21 import luan.LuanState; |
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22 import luan.LuanSource; |
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23 |
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24 |
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25 class LuanParser extends BaseParser<Object> { |
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26 |
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27 LuanSource source; |
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28 |
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29 LuanSource.Element se(int start) { |
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30 return new LuanSource.Element(source,start,currentIndex()); |
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31 } |
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32 |
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33 static final String _ENV = "_ENV"; |
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34 |
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35 static final class Frame { |
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36 final Frame parent; |
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37 final List<String> symbols = new ArrayList<String>(); |
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38 int stackSize = 0; |
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39 int loops = 0; |
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40 boolean isVarArg = false; |
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41 final List<String> upValueSymbols = new ArrayList<String>(); |
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42 final List<UpValue.Getter> upValueGetters = new ArrayList<UpValue.Getter>(); |
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43 |
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44 Frame() { |
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45 this.parent = null; |
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46 upValueSymbols.add(_ENV); |
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47 upValueGetters.add(UpValue.globalGetter); |
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48 } |
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49 |
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50 Frame(Frame parent) { |
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51 this.parent = parent; |
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52 } |
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53 |
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54 int stackIndex(String name) { |
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55 int i = symbols.size(); |
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56 while( --i >= 0 ) { |
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57 if( symbols.get(i).equals(name) ) |
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58 return i; |
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59 } |
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60 return -1; |
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61 } |
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62 |
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63 int upValueIndex(String name) { |
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64 int i = upValueSymbols.size(); |
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65 while( --i >= 0 ) { |
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66 if( upValueSymbols.get(i).equals(name) ) |
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67 return i; |
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68 } |
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69 if( parent==null ) |
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70 return -1; |
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71 i = parent.stackIndex(name); |
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72 if( i != -1 ) { |
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73 upValueGetters.add(new UpValue.StackGetter(i)); |
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74 } else { |
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75 i = parent.upValueIndex(name); |
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76 if( i == -1 ) |
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77 return -1; |
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78 upValueGetters.add(new UpValue.NestedGetter(i)); |
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79 } |
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80 upValueSymbols.add(name); |
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81 return upValueSymbols.size() - 1; |
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82 } |
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83 } |
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84 |
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85 static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0]; |
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86 |
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87 int nEquals; |
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88 Frame frame = new Frame(); |
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89 |
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90 boolean nEquals(int n) { |
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91 nEquals = n; |
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92 return true; |
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93 } |
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94 |
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95 List<String> symbols() { |
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96 return frame.symbols; |
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97 } |
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98 |
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99 int symbolsSize() { |
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100 return frame.symbols.size(); |
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101 } |
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102 |
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103 boolean addSymbol(String name) { |
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104 frame.symbols.add(name); |
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105 if( frame.stackSize < symbolsSize() ) |
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106 frame.stackSize = symbolsSize(); |
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107 return true; |
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108 } |
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109 |
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110 boolean addSymbols(List<String> names) { |
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111 frame.symbols.addAll(names); |
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112 if( frame.stackSize < symbolsSize() ) |
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113 frame.stackSize = symbolsSize(); |
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114 return true; |
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115 } |
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116 |
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117 int stackIndex(String name) { |
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118 return frame.stackIndex(name); |
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119 } |
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120 |
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121 boolean popSymbols(int n) { |
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122 List<String> symbols = frame.symbols; |
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123 while( n-- > 0 ) { |
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124 symbols.remove(symbols.size()-1); |
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125 } |
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126 return true; |
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127 } |
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128 |
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129 int upValueIndex(String name) { |
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130 return frame.upValueIndex(name); |
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131 } |
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132 |
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133 boolean incLoops() { |
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134 frame.loops++; |
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135 return true; |
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136 } |
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137 |
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138 boolean decLoops() { |
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139 frame.loops--; |
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140 return true; |
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141 } |
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142 |
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143 Chunk newChunk(int start) { |
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144 return new Chunk( se(start), (Stmt)pop(), frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) ); |
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145 } |
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146 |
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147 Rule Target() { |
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148 Var<Integer> start = new Var<Integer>(); |
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149 return Sequence( |
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150 Spaces(false), |
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151 start.set(currentIndex()), |
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152 FirstOf( |
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153 Sequence( |
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154 ExpList(false), |
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155 push( new ReturnStmt( se(start.get()), (Expressions)pop() ) ), |
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156 push( newChunk(start.get()) ), |
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157 EOI |
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158 ), |
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159 Sequence( |
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160 action( frame.isVarArg = true ), |
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161 Block(), |
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162 push( newChunk(start.get()) ), |
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163 EOI |
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164 ) |
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165 ) |
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166 ); |
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167 } |
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168 |
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169 Rule Block() { |
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170 Var<List<Stmt>> stmts = new Var<List<Stmt>>(new ArrayList<Stmt>()); |
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171 Var<Integer> stackStart = new Var<Integer>(symbolsSize()); |
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172 return Sequence( |
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173 Optional( Stmt(stmts) ), |
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174 ZeroOrMore( |
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175 StmtSep(stmts), |
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176 Optional( Stmt(stmts) ) |
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177 ), |
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178 push( newBlock(stmts.get(),stackStart.get()) ) |
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179 ); |
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180 } |
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181 |
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182 Stmt newBlock(List<Stmt> stmts,int stackStart) { |
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183 int stackEnd = symbolsSize(); |
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184 popSymbols( stackEnd - stackStart ); |
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185 if( stmts.isEmpty() ) |
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186 return Stmt.EMPTY; |
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187 if( stmts.size()==1 && stackStart==stackEnd ) |
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188 return stmts.get(0); |
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189 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd ); |
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190 } |
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191 |
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192 Rule StmtSep(Var<List<Stmt>> stmts) { |
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193 return Sequence( |
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194 FirstOf( |
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195 ';', |
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196 Sequence( |
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197 Optional( "--", ZeroOrMore(NoneOf("\r\n")) ), |
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198 EndOfLine() |
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199 ), |
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200 Sequence( |
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201 OutputStmt(), |
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202 stmts.get().add( (Stmt)pop() ) |
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203 ) |
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204 ), |
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205 Spaces(false) |
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206 ); |
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207 } |
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208 |
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209 Rule EndOfLine() { |
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210 return FirstOf("\r\n", '\r', '\n'); |
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211 } |
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212 |
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213 Rule Stmt(Var<List<Stmt>> stmts) { |
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214 return FirstOf( |
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215 LocalStmt(stmts), |
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216 Sequence( |
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217 FirstOf( |
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218 ReturnStmt(), |
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219 FunctionStmt(), |
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220 LocalFunctionStmt(), |
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221 BreakStmt(), |
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222 GenericForStmt(), |
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223 NumericForStmt(), |
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224 TryStmt(), |
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225 DoStmt(), |
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226 WhileStmt(), |
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227 RepeatStmt(), |
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228 IfStmt(), |
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229 SetStmt(), |
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230 ExpressionsStmt() |
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231 ), |
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232 stmts.get().add( (Stmt)pop() ) |
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233 ) |
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234 ); |
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235 } |
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236 |
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237 Rule OutputStmt() { |
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238 Var<Integer> start = new Var<Integer>(); |
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239 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder()); |
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240 return Sequence( |
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241 start.set(currentIndex()), |
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242 "%>", Optional( EndOfLine() ), |
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243 ZeroOrMore( |
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244 FirstOf( |
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245 Sequence( |
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246 OneOrMore( |
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247 TestNot("<%"), |
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248 ANY |
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249 ), |
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250 addToExpList(builder.get(),new ConstExpr(match())) |
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251 ), |
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252 Sequence( |
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253 "<%=", Spaces(false), |
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254 Expr(false), |
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255 addToExpList(builder.get()), |
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256 "%>" |
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257 ) |
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258 ) |
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259 ), |
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260 "<%", Spaces(false), |
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261 push( new OutputStmt( se(start.get()), builder.get().build() ) ) |
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262 ); |
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263 } |
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264 |
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265 Rule ReturnStmt() { |
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266 Var<Integer> start = new Var<Integer>(); |
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267 return Sequence( |
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268 start.set(currentIndex()), |
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269 Keyword("return",false), Expressions(false), |
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270 push( new ReturnStmt( se(start.get()), (Expressions)pop() ) ) |
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271 ); |
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272 } |
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273 |
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274 Rule FunctionStmt() { |
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275 return Sequence( |
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276 Keyword("function",false), FnName(), Function(false), |
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277 push( new SetStmt( (Settable)pop(1), expr(pop()) ) ) |
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278 ); |
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279 } |
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280 |
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281 Rule FnName() { |
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282 Var<Integer> start = new Var<Integer>(); |
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283 return Sequence( |
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284 start.set(currentIndex()), |
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285 push(null), // marker |
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286 Name(false), |
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287 ZeroOrMore( |
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288 '.', Spaces(false), |
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289 makeVarExp(start.get()), |
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290 NameExpr(false) |
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291 ), |
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292 makeSettableVar(start.get()) |
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293 ); |
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294 } |
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295 |
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296 Rule LocalFunctionStmt() { |
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297 return Sequence( |
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298 Keyword("local",false), Keyword("function",false), |
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299 Name(false), |
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300 addSymbol( (String)pop() ), |
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301 Function(false), |
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302 push( new SetStmt( new SetLocalVar(symbolsSize()-1), expr(pop()) ) ) |
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303 ); |
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304 } |
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305 |
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306 Rule BreakStmt() { |
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307 return Sequence( |
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308 Keyword("break",false), |
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309 frame.loops > 0, |
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310 push( new BreakStmt() ) |
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311 ); |
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312 } |
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313 |
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314 Rule GenericForStmt() { |
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315 Var<Integer> start = new Var<Integer>(); |
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316 Var<Integer> stackStart = new Var<Integer>(symbolsSize()); |
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317 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>()); |
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318 return Sequence( |
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319 start.set(currentIndex()), |
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320 Keyword("for",false), NameList(false,names), Keyword("in",false), Expr(false), Keyword("do",false), |
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321 addSymbols(names.get()), |
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322 LoopBlock(), Keyword("end",false), |
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323 push( new GenericForStmt( se(start.get()), stackStart.get(), symbolsSize() - stackStart.get(), expr(pop(1)), (Stmt)pop() ) ), |
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324 popSymbols( symbolsSize() - stackStart.get() ) |
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325 ); |
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326 } |
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327 |
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328 Rule NumericForStmt() { |
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329 Var<Integer> start = new Var<Integer>(); |
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330 return Sequence( |
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331 start.set(currentIndex()), |
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332 Keyword("for",false), Name(false), '=', Spaces(false), Expr(false), Keyword("to",false), Expr(false), |
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333 push( new ConstExpr(1) ), // default step |
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334 Optional( |
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335 Keyword("step",false), |
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336 drop(), |
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337 Expr(false) |
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338 ), |
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339 addSymbol( (String)pop(3) ), // add "for" var to symbols |
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340 Keyword("do",false), LoopBlock(), Keyword("end",false), |
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341 push( new NumericForStmt( se(start.get()), symbolsSize()-1, expr(pop(3)), expr(pop(2)), expr(pop(1)), (Stmt)pop() ) ), |
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342 popSymbols(1) |
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343 ); |
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344 } |
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345 |
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346 Rule TryStmt() { |
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347 return Sequence( |
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348 Keyword("try",false), Block(), |
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349 Keyword("catch",false), Name(false), addSymbol( (String)pop() ), |
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350 Keyword("do",false), Block(), Keyword("end",false), |
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351 push( new TryStmt( (Stmt)pop(1), symbolsSize()-1, (Stmt)pop() ) ), |
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352 popSymbols(1) |
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353 ); |
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354 } |
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355 |
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356 Rule DoStmt() { |
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357 return Sequence( |
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358 Keyword("do",false), Block(), Keyword("end",false) |
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359 ); |
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360 } |
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361 |
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362 Rule LocalStmt(Var<List<Stmt>> stmts) { |
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363 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>()); |
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364 return Sequence( |
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365 Keyword("local",false), NameList(false,names), |
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366 Optional( |
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367 '=', Spaces(false), ExpList(false), |
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368 stmts.get().add( newSetLocalStmt(names.get().size()) ) |
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369 ), |
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370 addSymbols(names.get()) |
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371 ); |
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372 } |
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373 |
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374 Rule NameList(boolean inParens,Var<List<String>> names) { |
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375 return Sequence( |
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376 Name(inParens), |
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377 names.get().add( (String)pop() ), |
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378 ZeroOrMore( |
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379 ',', Spaces(inParens), Name(inParens), |
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380 names.get().add( (String)pop() ) |
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381 ) |
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382 ); |
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383 } |
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384 |
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385 SetStmt newSetLocalStmt(int nVars) { |
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386 Expressions values = (Expressions)pop(); |
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387 SetLocalVar[] vars = new SetLocalVar[nVars]; |
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388 int stackStart = symbolsSize(); |
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389 for( int i=0; i<vars.length; i++ ) { |
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390 vars[i] = new SetLocalVar(stackStart+i); |
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391 } |
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392 return new SetStmt( vars, values ); |
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393 } |
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394 |
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395 Rule WhileStmt() { |
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396 return Sequence( |
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397 Keyword("while",false), Expr(false), Keyword("do",false), LoopBlock(), Keyword("end",false), |
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398 push( new WhileStmt( expr(pop(1)), (Stmt)pop() ) ) |
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399 ); |
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400 } |
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401 |
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402 Rule RepeatStmt() { |
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403 return Sequence( |
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404 Keyword("repeat",false), LoopBlock(), Keyword("until",false), Expr(false), |
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405 push( new RepeatStmt( (Stmt)pop(1), expr(pop()) ) ) |
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406 ); |
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407 } |
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408 |
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409 Rule LoopBlock() { |
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410 return Sequence( incLoops(), Block(), decLoops() ); |
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411 } |
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412 |
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413 Rule IfStmt() { |
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414 Var<Integer> n = new Var<Integer>(1); |
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415 return Sequence( |
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416 Keyword("if",false), Expr(false), Keyword("then",false), Block(), |
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417 push(Stmt.EMPTY), |
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418 ZeroOrMore( |
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419 Keyword("elseif",false), drop(), Expr(false), Keyword("then",false), Block(), |
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420 push(Stmt.EMPTY), |
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421 n.set(n.get()+1) |
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422 ), |
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423 Optional( |
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424 Keyword("else",false), drop(), Block() |
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425 ), |
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426 Keyword("end",false), |
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427 buildIfStmt(n.get()) |
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428 ); |
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429 } |
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430 |
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431 boolean buildIfStmt(int n) { |
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432 while( n-- > 0 ) { |
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433 Stmt elseStmt = (Stmt)pop(); |
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434 Stmt thenStmt = (Stmt)pop(); |
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435 Expr cnd = expr(pop()); |
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436 push( new IfStmt(cnd,thenStmt,elseStmt) ); |
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437 } |
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438 return true; |
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439 } |
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440 |
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441 Rule SetStmt() { |
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442 return Sequence( |
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443 VarList(), |
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444 '=', Spaces(false), |
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445 ExpList(false), |
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446 push( newSetStmt() ) |
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447 ); |
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448 } |
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449 |
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450 Rule ExpressionsStmt() { |
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451 return Sequence( |
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452 ExpList(false), |
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453 push( new ExpressionsStmt((Expressions)pop()) ) |
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454 ); |
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455 } |
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456 |
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457 SetStmt newSetStmt() { |
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458 Expressions values = (Expressions)pop(); |
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459 @SuppressWarnings("unchecked") |
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460 List<Settable> vars = (List<Settable>)pop(); |
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461 return new SetStmt( vars.toArray(new Settable[0]), values ); |
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462 } |
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463 |
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464 Rule VarList() { |
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465 Var<List<Settable>> vars = new Var<List<Settable>>(new ArrayList<Settable>()); |
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466 return Sequence( |
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467 SettableVar(), |
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468 vars.get().add( (Settable)pop() ), |
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469 ZeroOrMore( |
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470 ',', Spaces(false), SettableVar(), |
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471 vars.get().add( (Settable)pop() ) |
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472 ), |
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473 push(vars.get()) |
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474 ); |
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475 } |
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476 |
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477 Rule SettableVar() { |
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478 Var<Integer> start = new Var<Integer>(); |
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479 return Sequence( |
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480 start.set(currentIndex()), |
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481 Var(false), |
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482 makeSettableVar(start.get()) |
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483 ); |
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484 } |
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485 |
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486 boolean makeSettableVar(int start) { |
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487 Object obj2 = pop(); |
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488 if( obj2==null ) |
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489 return false; |
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490 Object obj1 = pop(); |
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491 if( obj1!=null ) { |
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492 Expr key = expr(obj2); |
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493 Expr table = expr(obj1); |
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494 return push( new SetTableEntry(se(start),table,key) ); |
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495 } |
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496 String name = (String)obj2; |
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497 int index = stackIndex(name); |
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498 if( index != -1 ) |
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499 return push( new SetLocalVar(index) ); |
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500 index = upValueIndex(name); |
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501 if( index != -1 ) |
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502 return push( new SetUpVar(index) ); |
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503 return push( new SetTableEntry( se(start), env(), new ConstExpr(name) ) ); |
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504 } |
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505 |
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506 @Cached |
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507 Rule Expr(boolean inParens) { |
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508 return FirstOf( |
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509 VarArgs(inParens), |
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510 OrExpr(inParens) |
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511 ); |
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512 } |
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513 |
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514 @Cached |
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515 Rule OrExpr(boolean inParens) { |
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516 Var<Integer> start = new Var<Integer>(); |
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517 return Sequence( |
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518 start.set(currentIndex()), |
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519 AndExpr(inParens), |
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520 ZeroOrMore( Keyword("or",inParens), AndExpr(inParens), push( new OrExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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521 ); |
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522 } |
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523 |
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524 @Cached |
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525 Rule AndExpr(boolean inParens) { |
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526 Var<Integer> start = new Var<Integer>(); |
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527 return Sequence( |
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528 start.set(currentIndex()), |
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529 RelExpr(inParens), |
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530 ZeroOrMore( Keyword("and",inParens), RelExpr(inParens), push( new AndExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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531 ); |
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532 } |
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533 |
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534 @Cached |
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535 Rule RelExpr(boolean inParens) { |
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536 Var<Integer> start = new Var<Integer>(); |
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537 return Sequence( |
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538 start.set(currentIndex()), |
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539 ConcatExpr(inParens), |
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540 ZeroOrMore( |
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541 FirstOf( |
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542 Sequence( "==", Spaces(inParens), ConcatExpr(inParens), push( new EqExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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543 Sequence( "~=", Spaces(inParens), ConcatExpr(inParens), push( new NotExpr(se(start.get()),new EqExpr(se(start.get()),expr(pop(1)),expr(pop()))) ) ), |
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544 Sequence( "<=", Spaces(inParens), ConcatExpr(inParens), push( new LeExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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545 Sequence( ">=", Spaces(inParens), ConcatExpr(inParens), push( new LeExpr(se(start.get()),expr(pop()),expr(pop())) ) ), |
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546 Sequence( "<", Spaces(inParens), ConcatExpr(inParens), push( new LtExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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547 Sequence( ">", Spaces(inParens), ConcatExpr(inParens), push( new LtExpr(se(start.get()),expr(pop()),expr(pop())) ) ) |
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548 ) |
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549 ) |
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550 ); |
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551 } |
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552 |
65
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553 @Cached |
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554 Rule ConcatExpr(boolean inParens) { |
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555 Var<Integer> start = new Var<Integer>(); |
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556 return Sequence( |
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557 start.set(currentIndex()), |
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558 SumExpr(inParens), |
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559 Optional( "..", Spaces(inParens), ConcatExpr(inParens), push( new ConcatExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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560 ); |
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561 } |
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562 |
65
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563 @Cached |
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564 Rule SumExpr(boolean inParens) { |
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565 Var<Integer> start = new Var<Integer>(); |
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566 return Sequence( |
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567 start.set(currentIndex()), |
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568 TermExpr(inParens), |
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569 ZeroOrMore( |
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570 FirstOf( |
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571 Sequence( '+', Spaces(inParens), TermExpr(inParens), push( new AddExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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572 Sequence( '-', TestNot('-'), Spaces(inParens), TermExpr(inParens), push( new SubExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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573 ) |
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574 ) |
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575 ); |
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576 } |
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577 |
65
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578 @Cached |
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579 Rule TermExpr(boolean inParens) { |
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580 Var<Integer> start = new Var<Integer>(); |
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581 return Sequence( |
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582 start.set(currentIndex()), |
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583 UnaryExpr(inParens), |
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584 ZeroOrMore( |
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585 FirstOf( |
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586 Sequence( '*', Spaces(inParens), UnaryExpr(inParens), push( new MulExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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587 Sequence( '/', Spaces(inParens), UnaryExpr(inParens), push( new DivExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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588 Sequence( '%', Spaces(inParens), UnaryExpr(inParens), push( new ModExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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589 ) |
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590 ) |
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work on expressions
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591 ); |
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592 } |
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593 |
65
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594 @Cached |
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595 Rule UnaryExpr(boolean inParens) { |
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596 Var<Integer> start = new Var<Integer>(); |
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597 return Sequence( |
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598 start.set(currentIndex()), |
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599 FirstOf( |
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600 Sequence( '#', Spaces(inParens), PowExpr(inParens), push( new LenExpr(se(start.get()),expr(pop())) ) ), |
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601 Sequence( '-', TestNot('-'), Spaces(inParens), PowExpr(inParens), push( new UnmExpr(se(start.get()),expr(pop())) ) ), |
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602 Sequence( Keyword("not",inParens), PowExpr(inParens), push( new NotExpr(se(start.get()),expr(pop())) ) ), |
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603 PowExpr(inParens) |
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604 ) |
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605 ); |
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finish operators
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606 } |
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607 |
65
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608 @Cached |
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609 Rule PowExpr(boolean inParens) { |
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610 Var<Integer> start = new Var<Integer>(); |
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611 return Sequence( |
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612 start.set(currentIndex()), |
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613 SingleExpr(inParens), |
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614 Optional( '^', Spaces(inParens), PowExpr(inParens), push( new PowExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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615 ); |
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616 } |
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617 |
65
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618 @Cached |
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619 Rule SingleExpr(boolean inParens) { |
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620 return FirstOf( |
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621 FunctionExpr(inParens), |
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622 TableExpr(inParens), |
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623 VarExp(inParens), |
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624 Literal(inParens) |
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625 ); |
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626 } |
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627 |
65
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628 @Cached |
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629 Rule FunctionExpr(boolean inParens) { |
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630 return Sequence( "function", Spaces(inParens), Function(inParens) ); |
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631 } |
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632 |
65
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633 @Cached |
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634 Rule Function(boolean inParens) { |
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635 Var<Integer> start = new Var<Integer>(); |
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636 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>()); |
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637 return Sequence( |
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638 start.set(currentIndex()), |
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639 '(', Spaces(true), |
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640 action( frame = new Frame(frame) ), |
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641 Optional( |
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642 FirstOf( |
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643 Sequence( |
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644 NameList(true,names), addSymbols(names.get()), |
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645 Optional( ',', Spaces(true), VarArgName() ) |
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646 ), |
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647 VarArgName() |
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648 ) |
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649 ), |
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650 ')', Spaces(inParens), Block(), Keyword("end",inParens), |
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651 push( newChunk(start.get()) ), |
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652 action( frame = frame.parent ) |
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653 ); |
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654 } |
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655 |
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656 Rule VarArgName() { |
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657 return Sequence( |
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658 "...", Spaces(true), |
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659 action( frame.isVarArg = true ) |
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660 ); |
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661 } |
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662 |
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663 @Cached |
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664 Rule VarArgs(boolean inParens) { |
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665 Var<Integer> start = new Var<Integer>(); |
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666 return Sequence( |
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667 start.set(currentIndex()), |
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668 "...", Spaces(inParens), |
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669 frame.isVarArg, |
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670 push( new VarArgs(se(start.get())) ) |
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671 ); |
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672 } |
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673 |
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674 @Cached |
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675 Rule TableExpr(boolean inParens) { |
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676 Var<Integer> start = new Var<Integer>(); |
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677 Var<List<TableExpr.Field>> fields = new Var<List<TableExpr.Field>>(new ArrayList<TableExpr.Field>()); |
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678 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder()); |
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679 return Sequence( |
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680 start.set(currentIndex()), |
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681 '{', Spaces(true), |
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682 Optional( |
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683 Field(fields,builder), |
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684 ZeroOrMore( |
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685 FieldSep(), |
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686 Field(fields,builder) |
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687 ), |
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688 Optional( FieldSep() ) |
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689 ), |
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690 '}', |
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691 Spaces(inParens), |
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692 push( new TableExpr( se(start.get()), fields.get().toArray(new TableExpr.Field[0]), builder.get().build() ) ) |
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693 ); |
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694 } |
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695 |
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696 Rule FieldSep() { |
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697 return Sequence( AnyOf(",;"), Spaces(true) ); |
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698 } |
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699 |
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700 Rule Field(Var<List<TableExpr.Field>> fields,Var<ExpList.Builder> builder) { |
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701 return FirstOf( |
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702 Sequence( |
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703 FirstOf( SubExpr(true), NameExpr(true) ), |
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704 '=', Spaces(true), Expr(true), |
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705 fields.get().add( new TableExpr.Field( expr(pop(1)), expr(pop()) ) ) |
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706 ), |
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707 Sequence( |
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708 Expr(true), |
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709 addToExpList(builder.get()) |
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710 ) |
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711 ); |
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712 } |
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713 |
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714 static Expr expr(Object obj) { |
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715 if( obj instanceof Expressions ) |
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716 return new ExpressionsExpr((Expressions)obj); |
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717 return (Expr)obj; |
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718 } |
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719 |
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720 @Cached |
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721 Rule VarExp(boolean inParens) { |
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722 Var<Integer> start = new Var<Integer>(); |
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723 return Sequence( |
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724 start.set(currentIndex()), |
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725 Var(inParens), |
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726 makeVarExp(start.get()) |
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727 ); |
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728 } |
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729 |
65
1ff53a88579a
multi-line statements
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730 @Cached |
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multi-line statements
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|
731 Rule Var(boolean inParens) { |
40
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732 Var<Integer> start = new Var<Integer>(); |
82
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733 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(); |
9
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734 return Sequence( |
40
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735 start.set(currentIndex()), |
82
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|
736 VarStart(inParens), |
9
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737 ZeroOrMore( |
40
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|
738 makeVarExp(start.get()), |
9
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739 FirstOf( |
82
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740 VarExt(inParens), |
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741 Sequence( |
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742 builder.set(new ExpList.Builder()), |
8ea2e94f3318
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743 Args(inParens,start,builder) |
8ea2e94f3318
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744 ), |
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745 Sequence( |
82
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746 "->", Spaces(inParens), |
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747 builder.set(new ExpList.Builder()), |
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748 addToExpList(builder.get()), |
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749 VarExpB(inParens), |
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750 Args(inParens,start,builder) |
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751 ) |
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752 ) |
9
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753 ) |
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754 ); |
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755 } |
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756 |
82
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757 @Cached |
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758 Rule VarExpB(boolean inParens) { |
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759 Var<Integer> start = new Var<Integer>(); |
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760 return Sequence( |
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761 start.set(currentIndex()), |
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762 VarStart(inParens), |
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763 ZeroOrMore( |
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764 makeVarExp(start.get()), |
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765 VarExt(inParens) |
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766 ), |
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767 makeVarExp(start.get()) |
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768 ); |
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769 } |
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770 |
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771 @Cached |
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772 Rule VarExt(boolean inParens) { |
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773 return FirstOf( |
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774 SubExpr(inParens), |
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775 Sequence( '.', Spaces(inParens), NameExpr(inParens) ) |
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776 ); |
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777 } |
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778 |
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779 @Cached |
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780 Rule VarStart(boolean inParens) { |
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781 return FirstOf( |
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782 Sequence( |
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783 '(', Spaces(true), Expr(true), ')', Spaces(inParens), |
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784 push(expr(pop())), |
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785 push(null) // marker |
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786 ), |
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787 Sequence( |
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788 push(null), // marker |
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789 Name(inParens) |
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790 ) |
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791 ); |
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792 } |
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793 |
34
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794 Expr env() { |
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795 int index = stackIndex(_ENV); |
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796 if( index != -1 ) |
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797 return new GetLocalVar(null,index); |
34
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798 index = upValueIndex(_ENV); |
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799 if( index != -1 ) |
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800 return new GetUpVar(null,index); |
34
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801 throw new RuntimeException("_ENV not found"); |
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802 } |
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|
803 |
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|
804 boolean makeVarExp(int start) { |
17
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|
805 Object obj2 = pop(); |
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806 if( obj2==null ) |
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807 return true; |
17
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808 Object obj1 = pop(); |
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809 if( obj1 != null ) |
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810 return push( new IndexExpr( se(start), expr(obj1), expr(obj2) ) ); |
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811 String name = (String)obj2; |
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812 int index = stackIndex(name); |
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813 if( index != -1 ) |
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814 return push( new GetLocalVar(se(start),index) ); |
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815 index = upValueIndex(name); |
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816 if( index != -1 ) |
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817 return push( new GetUpVar(se(start),index) ); |
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818 return push( new IndexExpr( se(start), env(), new ConstExpr(name) ) ); |
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819 } |
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changeset
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820 |
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821 // function should be on top of the stack |
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822 Rule Args(boolean inParens,Var<Integer> start,Var<ExpList.Builder> builder) { |
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823 return Sequence( |
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824 FirstOf( |
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825 Sequence( |
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826 '(', Spaces(true), Optional(ExpList(true,builder)), ')', Spaces(inParens) |
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827 ), |
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828 Sequence( |
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829 TableExpr(inParens), |
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830 addToExpList(builder.get()) |
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831 ), |
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832 Sequence( |
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833 StringLiteral(inParens), |
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834 push(new ConstExpr(pop())), |
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835 addToExpList(builder.get()) |
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836 ) |
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837 ), |
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838 push( new FnCall( se(start.get()), expr(pop()), builder.get().build() ) ), |
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839 push(null) // marker |
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840 ); |
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841 } |
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842 |
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843 @Cached |
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844 Rule Expressions(boolean inParens) { |
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845 return FirstOf( |
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846 ExpList(inParens), |
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847 push( ExpList.emptyExpList ) |
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848 ); |
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849 } |
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850 |
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851 @Cached |
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852 Rule ExpList(boolean inParens) { |
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853 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder()); |
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854 return Sequence( |
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855 ExpList(inParens,builder), |
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856 push( builder.get().build() ) |
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857 ); |
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858 } |
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859 |
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860 Rule ExpList(boolean inParens,Var<ExpList.Builder> builder) { |
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861 return Sequence( |
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862 Expr(inParens), |
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863 addToExpList(builder.get()), |
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864 ZeroOrMore( |
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865 ',', Spaces(inParens), Expr(inParens), |
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866 addToExpList(builder.get()) |
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867 ) |
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868 ); |
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869 } |
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870 |
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871 boolean addToExpList(ExpList.Builder bld) { |
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872 Object obj = pop(); |
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873 if( obj instanceof Expressions ) { |
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874 bld.add( (Expressions)obj ); |
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875 } else { |
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876 bld.add( (Expr)obj ); |
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877 } |
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878 return true; |
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879 } |
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880 |
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881 boolean addToExpList(ExpList.Builder bld, Expr expr) { |
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882 bld.add(expr); |
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883 return true; |
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884 } |
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885 |
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886 @Cached |
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887 Rule SubExpr(boolean inParens) { |
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888 return Sequence( '[', Spaces(true), Expr(true), ']', Spaces(inParens) ); |
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889 } |
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890 |
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891 @Cached |
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892 Rule NameExpr(boolean inParens) { |
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893 return Sequence( |
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894 Name(inParens), |
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895 push( new ConstExpr((String)pop()) ) |
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896 ); |
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897 } |
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898 |
65
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899 @Cached |
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900 Rule Name(boolean inParens) { |
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901 return Sequence( |
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902 Sequence( |
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903 NameFirstChar(), |
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904 ZeroOrMore( NameChar() ) |
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905 ), |
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906 !keywords.contains(match()), |
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907 push(match()), |
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908 Spaces(inParens) |
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909 ); |
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910 } |
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911 |
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912 Rule NameChar() { |
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|
913 return FirstOf( NameFirstChar(), Digit() ); |
09d41f7490a8
add local variables
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parents:
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diff
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|
914 } |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
915 |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
916 Rule NameFirstChar() { |
9
600676034a1a
add variables and tables
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parents:
8
diff
changeset
|
917 return FirstOf( |
600676034a1a
add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
8
diff
changeset
|
918 CharRange('a', 'z'), |
600676034a1a
add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
8
diff
changeset
|
919 CharRange('A', 'Z'), |
600676034a1a
add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
8
diff
changeset
|
920 '_' |
600676034a1a
add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
8
diff
changeset
|
921 ); |
600676034a1a
add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
8
diff
changeset
|
922 } |
600676034a1a
add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
8
diff
changeset
|
923 |
65
1ff53a88579a
multi-line statements
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parents:
60
diff
changeset
|
924 Rule Keyword(String keyword,boolean inParens) { |
17
09d41f7490a8
add local variables
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parents:
16
diff
changeset
|
925 return Sequence( |
09d41f7490a8
add local variables
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parents:
16
diff
changeset
|
926 keyword, |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
927 TestNot( NameChar() ), |
65
1ff53a88579a
multi-line statements
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parents:
60
diff
changeset
|
928 Spaces(inParens) |
17
09d41f7490a8
add local variables
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parents:
16
diff
changeset
|
929 ); |
12
9cea1aea5eef
CmdLine can run files
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parents:
11
diff
changeset
|
930 } |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
931 |
17
09d41f7490a8
add local variables
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parents:
16
diff
changeset
|
932 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
|
933 "and", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
934 "break", |
42
786699c78837
implement try-catch
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parents:
40
diff
changeset
|
935 "catch", |
12
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
936 "do", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
937 "else", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
938 "elseif", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
939 "end", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
940 "false", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
941 "for", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
942 "function", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
943 "goto", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
944 "if", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
945 "in", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
946 "local", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
947 "nil", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
948 "not", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
949 "or", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
950 "repeat", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
951 "return", |
33
8793c71ad47a
change numeric for syntax
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
32
diff
changeset
|
952 "step", |
12
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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11
diff
changeset
|
953 "then", |
33
8793c71ad47a
change numeric for syntax
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parents:
32
diff
changeset
|
954 "to", |
12
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
955 "true", |
42
786699c78837
implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
40
diff
changeset
|
956 "try", |
12
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
957 "until", |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
958 "while" |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
959 )); |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
960 |
65
1ff53a88579a
multi-line statements
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diff
changeset
|
961 @Cached |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
962 Rule Literal(boolean inParens) { |
7
bca8fc5d928b
work on expressions
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diff
changeset
|
963 return Sequence( |
65
1ff53a88579a
multi-line statements
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diff
changeset
|
964 FirstOf( |
1ff53a88579a
multi-line statements
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diff
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|
965 NilLiteral(inParens), |
1ff53a88579a
multi-line statements
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parents:
60
diff
changeset
|
966 BooleanLiteral(inParens), |
1ff53a88579a
multi-line statements
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diff
changeset
|
967 NumberLiteral(inParens), |
1ff53a88579a
multi-line statements
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parents:
60
diff
changeset
|
968 StringLiteral(inParens) |
1ff53a88579a
multi-line statements
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diff
changeset
|
969 ), |
5
9ef0fd711101
start LuaParser
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parents:
diff
changeset
|
970 push(new ConstExpr(pop())) |
9ef0fd711101
start LuaParser
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parents:
diff
changeset
|
971 ); |
9ef0fd711101
start LuaParser
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parents:
diff
changeset
|
972 } |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
973 |
65
1ff53a88579a
multi-line statements
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diff
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|
974 @Cached |
1ff53a88579a
multi-line statements
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parents:
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diff
changeset
|
975 Rule NilLiteral(boolean inParens) { |
1ff53a88579a
multi-line statements
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diff
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|
976 return Sequence( Keyword("nil",inParens), push(null) ); |
1ff53a88579a
multi-line statements
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diff
changeset
|
977 } |
1ff53a88579a
multi-line statements
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diff
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|
978 |
1ff53a88579a
multi-line statements
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parents:
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diff
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|
979 @Cached |
1ff53a88579a
multi-line statements
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|
980 Rule BooleanLiteral(boolean inParens) { |
5
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changeset
|
981 return FirstOf( |
65
1ff53a88579a
multi-line statements
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diff
changeset
|
982 Sequence( Keyword("true",inParens), push(true) ), |
1ff53a88579a
multi-line statements
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diff
changeset
|
983 Sequence( Keyword("false",inParens), push(false) ) |
5
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changeset
|
984 ); |
9ef0fd711101
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diff
changeset
|
985 } |
9ef0fd711101
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changeset
|
986 |
65
1ff53a88579a
multi-line statements
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|
987 @Cached |
1ff53a88579a
multi-line statements
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parents:
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changeset
|
988 Rule NumberLiteral(boolean inParens) { |
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multi-line statements
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|
989 return Sequence( |
1ff53a88579a
multi-line statements
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|
990 FirstOf( |
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multi-line statements
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diff
changeset
|
991 Sequence( |
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multi-line statements
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|
992 IgnoreCase("0x"), |
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multi-line statements
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|
993 HexNumber() |
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multi-line statements
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|
994 ), |
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multi-line statements
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|
995 Sequence( |
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|
996 DecNumber(), |
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multi-line statements
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|
997 push(Double.valueOf(match())) |
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multi-line statements
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diff
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|
998 ) |
6
a315783c9524
more parsing
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changeset
|
999 ), |
65
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changeset
|
1000 TestNot( NameChar() ), |
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multi-line statements
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|
1001 Spaces(inParens) |
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parents:
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changeset
|
1002 ); |
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diff
changeset
|
1003 } |
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changeset
|
1004 |
6
a315783c9524
more parsing
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parents:
5
diff
changeset
|
1005 Rule DecNumber() { |
5
9ef0fd711101
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changeset
|
1006 return FirstOf( |
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changeset
|
1007 Sequence( |
9ef0fd711101
start LuaParser
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changeset
|
1008 Int(), |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1009 Optional( '.', Optional(Int()) ), |
11
b7d7069fee58
add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
9
diff
changeset
|
1010 Exponent() |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1011 ), |
11
b7d7069fee58
add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
9
diff
changeset
|
1012 Sequence( '.', Int(), Exponent() ) |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1013 ); |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1014 } |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1015 |
11
b7d7069fee58
add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
9
diff
changeset
|
1016 Rule Exponent() { |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1017 return Optional( |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1018 IgnoreCase('e'), |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1019 Optional(AnyOf("+-")), |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1020 Int() |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1021 ); |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1022 } |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1023 |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1024 Rule Int() { |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
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|
1025 return OneOrMore(Digit()); |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
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changeset
|
1026 } |
a315783c9524
more parsing
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parents:
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diff
changeset
|
1027 |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1028 Rule Digit() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1029 return CharRange('0', '9'); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1030 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1031 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1032 Rule HexNumber() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1033 return FirstOf( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1034 Sequence( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1035 HexInt(), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1036 push( (double)Long.parseLong(match(),16) ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1037 Optional( '.', Optional(HexDec()) ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1038 HexExponent() |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1039 ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1040 Sequence( push(0.0), '.', HexDec(), HexExponent() ) |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1041 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1042 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1043 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1044 Rule HexDec() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1045 return Sequence( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1046 HexInt(), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1047 push( (Double)pop() + (double)Long.parseLong(match(),16) / Math.pow(16,matchLength()) ) |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1048 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1049 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1050 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1051 Rule HexExponent() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1052 return Optional( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1053 IgnoreCase('p'), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1054 Sequence( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1055 Optional(AnyOf("+-")), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1056 HexInt() |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1057 ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1058 push( (Double)pop() * Math.pow(2,(double)Long.parseLong(match())) ) |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1059 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1060 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1061 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1062 Rule HexInt() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1063 return OneOrMore(Digit()); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1064 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1065 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1066 |
6
a315783c9524
more parsing
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parents:
5
diff
changeset
|
1067 Rule HexDigit() { |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1068 return FirstOf( |
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more parsing
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parents:
5
diff
changeset
|
1069 Digit(), |
a315783c9524
more parsing
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parents:
5
diff
changeset
|
1070 AnyOf("abcdefABCDEF") |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1071 ); |
a315783c9524
more parsing
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parents:
5
diff
changeset
|
1072 } |
a315783c9524
more parsing
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parents:
5
diff
changeset
|
1073 |
65
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1074 @Cached |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1075 Rule StringLiteral(boolean inParens) { |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1076 return Sequence( |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1077 FirstOf( |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1078 QuotedString('"'), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1079 QuotedString('\''), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1080 LongString() |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1081 ), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1082 Spaces(inParens) |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1083 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1084 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1085 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1086 Rule LongString() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1087 return Sequence( |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
1088 '[', |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1089 ZeroOrMore('='), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1090 nEquals(matchLength()), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1091 '[', |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1092 ZeroOrMore( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1093 TestNot(LongBracketsEnd()), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1094 ANY |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1095 ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1096 push( match() ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1097 LongBracketsEnd() |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1098 ); |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1099 } |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1100 |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1101 Rule QuotedString(char quote) { |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
1102 StringBuilderVar buf = new StringBuilderVar(); |
6
a315783c9524
more parsing
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parents:
5
diff
changeset
|
1103 return Sequence( |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1104 quote, |
6
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1105 ZeroOrMore( |
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1106 FirstOf( |
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1107 Sequence( |
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parents:
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1108 NoneOf("\\\n"+quote), |
17
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add local variables
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1109 buf.append(matchedChar()) |
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|
1110 ), |
17
09d41f7490a8
add local variables
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1111 EscSeq(buf) |
6
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1112 ) |
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1113 ), |
7
bca8fc5d928b
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parents:
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diff
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|
1114 quote, |
17
09d41f7490a8
add local variables
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1115 push( buf.getString() ) |
6
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1116 ); |
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1117 } |
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1118 |
17
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1119 Rule EscSeq(StringBuilderVar buf) { |
6
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1120 return Sequence( |
7
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1121 '\\', |
6
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1122 FirstOf( |
17
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add local variables
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1123 Sequence( 'a', buf.append('\u0007') ), |
09d41f7490a8
add local variables
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1124 Sequence( 'b', buf.append('\b') ), |
09d41f7490a8
add local variables
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parents:
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|
1125 Sequence( 'f', buf.append('\f') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
1126 Sequence( 'n', buf.append('\n') ), |
09d41f7490a8
add local variables
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parents:
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diff
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|
1127 Sequence( 'r', buf.append('\r') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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|
1128 Sequence( 't', buf.append('\t') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
1129 Sequence( 'v', buf.append('\u000b') ), |
09d41f7490a8
add local variables
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parents:
16
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|
1130 Sequence( '\\', buf.append('\\') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
1131 Sequence( '"', buf.append('"') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
1132 Sequence( '\'', buf.append('\'') ), |
7
bca8fc5d928b
work on expressions
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|
1133 Sequence( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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|
1134 'x', |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1135 Sequence( HexDigit(), HexDigit() ), |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
1136 buf.append( (char)Integer.parseInt(match(),16) ) |
7
bca8fc5d928b
work on expressions
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|
1137 ), |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff
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|
1138 Sequence( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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|
1139 Sequence( |
bca8fc5d928b
work on expressions
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parents:
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diff
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|
1140 Digit(), |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
1141 Optional( |
bca8fc5d928b
work on expressions
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parents:
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diff
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|
1142 Digit(), |
bca8fc5d928b
work on expressions
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|
1143 Optional( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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|
1144 Digit() |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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|
1145 ) |
bca8fc5d928b
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parents:
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|
1146 ) |
bca8fc5d928b
work on expressions
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parents:
6
diff
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|
1147 ), |
17
09d41f7490a8
add local variables
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parents:
16
diff
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|
1148 buf.append( (char)Integer.parseInt(match()) ) |
7
bca8fc5d928b
work on expressions
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1149 ) |
6
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1150 ) |
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1151 ); |
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1152 } |
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|
1153 |
65
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
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|
1154 @Cached |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
1155 Rule Spaces(boolean inParens) { |
14
2ddf85634d20
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|
1156 return ZeroOrMore( |
2ddf85634d20
whitespace handling;
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diff
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|
1157 FirstOf( |
2ddf85634d20
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|
1158 AnyOf(" \t"), |
2ddf85634d20
whitespace handling;
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diff
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|
1159 Comment(), |
65
1ff53a88579a
multi-line statements
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parents:
60
diff
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|
1160 Sequence( '\\', EndOfLine() ), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
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|
1161 Sequence( AnyOf("\r\n"), inParens ) |
14
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1162 ) |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1163 ); |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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|
1164 } |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1165 |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1166 Rule Comment() { |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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|
1167 return Sequence( |
2ddf85634d20
whitespace handling;
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|
1168 "--[", |
2ddf85634d20
whitespace handling;
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|
1169 ZeroOrMore('='), |
16
2a30281ef47c
finish number literals;
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parents:
15
diff
changeset
|
1170 nEquals(matchLength()), |
14
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff
changeset
|
1171 '[', |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff
changeset
|
1172 ZeroOrMore( |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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15
diff
changeset
|
1173 TestNot(LongBracketsEnd()), |
14
2ddf85634d20
whitespace handling;
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diff
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|
1174 ANY |
2ddf85634d20
whitespace handling;
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parents:
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|
1175 ), |
16
2a30281ef47c
finish number literals;
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parents:
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diff
changeset
|
1176 LongBracketsEnd() |
14
2ddf85634d20
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changeset
|
1177 ); |
2ddf85634d20
whitespace handling;
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|
1178 } |
2ddf85634d20
whitespace handling;
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parents:
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|
1179 |
16
2a30281ef47c
finish number literals;
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parents:
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diff
changeset
|
1180 Rule LongBracketsEnd() { |
2a30281ef47c
finish number literals;
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parents:
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|
1181 return Sequence( ']', ZeroOrMore('='), nEquals==matchLength(), ']' ); |
7
bca8fc5d928b
work on expressions
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changeset
|
1182 } |
bca8fc5d928b
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|
1183 |
18
3971113699b8
add NumericForStmt
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diff
changeset
|
1184 static boolean action(Object obj) { |
3971113699b8
add NumericForStmt
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changeset
|
1185 return true; |
3971113699b8
add NumericForStmt
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|
1186 } |
3971113699b8
add NumericForStmt
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|
1187 |
12
9cea1aea5eef
CmdLine can run files
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diff
changeset
|
1188 // for debugging |
14
2ddf85634d20
whitespace handling;
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changeset
|
1189 boolean print(Object o) { |
2ddf85634d20
whitespace handling;
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changeset
|
1190 System.out.println(o); |
12
9cea1aea5eef
CmdLine can run files
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parents:
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diff
changeset
|
1191 return true; |
9cea1aea5eef
CmdLine can run files
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parents:
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diff
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|
1192 } |
9cea1aea5eef
CmdLine can run files
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diff
changeset
|
1193 |
5
9ef0fd711101
start LuaParser
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changeset
|
1194 } |