Mercurial Hosting > luan
annotate src/luan/interp/LuanParser.java @ 92:d03022acea47
don't allow "%>" in output statement string
git-svn-id: https://luan-java.googlecode.com/svn/trunk@93 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Thu, 07 Mar 2013 23:09:01 +0000 |
parents | 6db8f286fa6c |
children | b19988270d74 |
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5
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start LuaParser
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1 package luan.interp; |
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2 |
12
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3 import java.util.Set; |
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4 import java.util.HashSet; |
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5 import java.util.Arrays; |
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6 import java.util.List; |
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7 import java.util.ArrayList; |
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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; |
14
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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 static final class Frame { |
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28 final Frame parent; |
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29 final List<String> symbols = new ArrayList<String>(); |
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30 int stackSize = 0; |
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31 int loops = 0; |
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32 boolean isVarArg = false; |
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33 final List<String> upValueSymbols = new ArrayList<String>(); |
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34 final List<UpValue.Getter> upValueGetters = new ArrayList<UpValue.Getter>(); |
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35 |
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36 Frame(UpValue.Getter envGetter) { |
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37 this.parent = null; |
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38 upValueSymbols.add(_ENV); |
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39 upValueGetters.add(envGetter); |
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40 } |
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41 |
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42 Frame(Frame parent) { |
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43 this.parent = parent; |
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44 if( upValueIndex(_ENV) != 0 ) |
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45 throw new RuntimeException(); |
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46 } |
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47 |
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48 int stackIndex(String name) { |
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49 int i = symbols.size(); |
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50 while( --i >= 0 ) { |
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51 if( symbols.get(i).equals(name) ) |
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52 return i; |
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53 } |
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54 return -1; |
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55 } |
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56 |
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57 int upValueIndex(String name) { |
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58 int i = upValueSymbols.size(); |
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59 while( --i >= 0 ) { |
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60 if( upValueSymbols.get(i).equals(name) ) |
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61 return i; |
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62 } |
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63 if( parent==null ) |
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64 return -1; |
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65 i = parent.stackIndex(name); |
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66 if( i != -1 ) { |
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67 upValueGetters.add(new UpValue.StackGetter(i)); |
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68 } else { |
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69 i = parent.upValueIndex(name); |
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70 if( i == -1 ) |
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71 return -1; |
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72 upValueGetters.add(new UpValue.NestedGetter(i)); |
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73 } |
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74 upValueSymbols.add(name); |
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75 return upValueSymbols.size() - 1; |
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76 } |
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77 } |
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78 |
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79 static final String _ENV = "_ENV"; |
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80 static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0]; |
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81 |
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82 // UpValue.Getter envGetter = new UpValue.EnvGetter(); |
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83 final LuanSource source; |
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84 Frame frame; |
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85 int nEquals; |
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86 |
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87 LuanParser(LuanSource source,UpValue.Getter envGetter) { |
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88 this.source = source; |
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89 this.frame = new Frame(envGetter); |
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90 } |
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91 |
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92 LuanSource.Element se(int start) { |
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93 return new LuanSource.Element(source,start,currentIndex()); |
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94 } |
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95 |
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96 boolean nEquals(int n) { |
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97 nEquals = n; |
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98 return true; |
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99 } |
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100 |
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101 List<String> symbols() { |
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102 return frame.symbols; |
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103 } |
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104 |
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105 int symbolsSize() { |
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106 return frame.symbols.size(); |
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107 } |
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108 |
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109 boolean addSymbol(String name) { |
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110 frame.symbols.add(name); |
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111 if( frame.stackSize < symbolsSize() ) |
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112 frame.stackSize = symbolsSize(); |
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113 return true; |
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114 } |
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115 |
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116 boolean addSymbols(List<String> names) { |
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117 frame.symbols.addAll(names); |
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118 if( frame.stackSize < symbolsSize() ) |
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119 frame.stackSize = symbolsSize(); |
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120 return true; |
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121 } |
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122 |
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123 int stackIndex(String name) { |
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124 return frame.stackIndex(name); |
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125 } |
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126 |
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127 boolean popSymbols(int n) { |
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128 List<String> symbols = frame.symbols; |
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129 while( n-- > 0 ) { |
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130 symbols.remove(symbols.size()-1); |
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131 } |
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132 return true; |
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133 } |
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134 |
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135 int upValueIndex(String name) { |
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136 return frame.upValueIndex(name); |
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137 } |
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138 |
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139 boolean incLoops() { |
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140 frame.loops++; |
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141 return true; |
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142 } |
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143 |
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144 boolean decLoops() { |
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145 frame.loops--; |
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146 return true; |
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147 } |
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148 |
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149 FnDef newFnDef(int start) { |
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150 return new FnDef( se(start), (Stmt)pop(), frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) ); |
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151 } |
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152 |
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153 Rule Target() { |
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154 Var<Integer> start = new Var<Integer>(); |
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155 return Sequence( |
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156 Spaces(false), |
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157 start.set(currentIndex()), |
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158 FirstOf( |
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159 Sequence( |
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160 ExpList(false), |
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161 push( new ReturnStmt( se(start.get()), (Expressions)pop() ) ), |
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162 push( newFnDef(start.get()) ), |
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163 EOI |
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164 ), |
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165 Sequence( |
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166 action( frame.isVarArg = true ), |
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167 Block(), |
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168 push( newFnDef(start.get()) ), |
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169 EOI |
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170 ) |
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171 ) |
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172 ); |
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173 } |
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174 |
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175 Rule Block() { |
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176 Var<List<Stmt>> stmts = new Var<List<Stmt>>(new ArrayList<Stmt>()); |
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177 Var<Integer> stackStart = new Var<Integer>(symbolsSize()); |
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178 return Sequence( |
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179 Optional( Stmt(stmts) ), |
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180 ZeroOrMore( |
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181 StmtSep(stmts), |
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182 Optional( Stmt(stmts) ) |
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183 ), |
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184 push( newBlock(stmts.get(),stackStart.get()) ) |
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185 ); |
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186 } |
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187 |
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188 Stmt newBlock(List<Stmt> stmts,int stackStart) { |
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189 int stackEnd = symbolsSize(); |
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190 popSymbols( stackEnd - stackStart ); |
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191 if( stmts.isEmpty() ) |
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192 return Stmt.EMPTY; |
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193 if( stmts.size()==1 && stackStart==stackEnd ) |
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194 return stmts.get(0); |
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195 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd ); |
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196 } |
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197 |
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198 Rule StmtSep(Var<List<Stmt>> stmts) { |
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199 return Sequence( |
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200 FirstOf( |
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201 ';', |
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202 Sequence( |
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203 Optional( "--", ZeroOrMore(NoneOf("\r\n")) ), |
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204 EndOfLine() |
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205 ), |
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206 Sequence( |
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207 OutputStmt(), |
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208 stmts.get().add( (Stmt)pop() ) |
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209 ) |
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210 ), |
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211 Spaces(false) |
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212 ); |
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213 } |
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214 |
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215 Rule EndOfLine() { |
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216 return FirstOf("\r\n", '\r', '\n'); |
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217 } |
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218 |
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219 Rule Stmt(Var<List<Stmt>> stmts) { |
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220 return FirstOf( |
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221 LocalStmt(stmts), |
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222 Sequence( |
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223 FirstOf( |
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224 ReturnStmt(), |
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225 FunctionStmt(), |
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226 LocalFunctionStmt(), |
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227 BreakStmt(), |
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228 GenericForStmt(), |
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229 NumericForStmt(), |
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230 TryStmt(), |
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231 DoStmt(), |
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232 WhileStmt(), |
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233 RepeatStmt(), |
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234 IfStmt(), |
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235 SetStmt(), |
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236 ExpressionsStmt() |
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237 ), |
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238 stmts.get().add( (Stmt)pop() ) |
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239 ) |
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240 ); |
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241 } |
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242 |
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243 Rule OutputStmt() { |
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244 Var<Integer> start = new Var<Integer>(); |
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245 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder()); |
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246 return Sequence( |
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247 start.set(currentIndex()), |
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248 "%>", Optional( EndOfLine() ), |
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249 ZeroOrMore( |
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250 FirstOf( |
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251 Sequence( |
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252 OneOrMore( |
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253 TestNot("<%"), |
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254 TestNot("%>"), |
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255 ANY |
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256 ), |
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257 addToExpList(builder.get(),new ConstExpr(match())) |
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258 ), |
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259 Sequence( |
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260 "<%=", Spaces(false), |
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261 Expr(false), |
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262 addToExpList(builder.get()), |
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263 "%>" |
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264 ) |
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265 ) |
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266 ), |
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267 "<%", Spaces(false), |
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268 push( new OutputStmt( se(start.get()), builder.get().build() ) ) |
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269 ); |
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270 } |
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271 |
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272 Rule ReturnStmt() { |
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273 Var<Integer> start = new Var<Integer>(); |
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274 return Sequence( |
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275 start.set(currentIndex()), |
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276 Keyword("return",false), Expressions(false), |
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277 push( new ReturnStmt( se(start.get()), (Expressions)pop() ) ) |
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278 ); |
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279 } |
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280 |
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281 Rule FunctionStmt() { |
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282 return Sequence( |
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283 Keyword("function",false), FnName(), Function(false), |
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284 push( new SetStmt( (Settable)pop(1), expr(pop()) ) ) |
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285 ); |
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286 } |
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287 |
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288 Rule FnName() { |
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289 Var<Integer> start = new Var<Integer>(); |
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290 return Sequence( |
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291 start.set(currentIndex()), |
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292 push(null), // marker |
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293 Name(false), |
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294 ZeroOrMore( |
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295 '.', Spaces(false), |
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296 makeVarExp(start.get()), |
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297 NameExpr(false) |
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298 ), |
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299 makeSettableVar(start.get()) |
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300 ); |
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301 } |
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302 |
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303 Rule LocalFunctionStmt() { |
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304 return Sequence( |
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305 Keyword("local",false), Keyword("function",false), |
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306 Name(false), |
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307 addSymbol( (String)pop() ), |
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308 Function(false), |
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309 push( new SetStmt( new SetLocalVar(symbolsSize()-1), expr(pop()) ) ) |
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310 ); |
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311 } |
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312 |
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313 Rule BreakStmt() { |
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314 return Sequence( |
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315 Keyword("break",false), |
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316 frame.loops > 0, |
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317 push( new BreakStmt() ) |
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318 ); |
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319 } |
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320 |
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321 Rule GenericForStmt() { |
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322 Var<Integer> start = new Var<Integer>(); |
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323 Var<Integer> stackStart = new Var<Integer>(symbolsSize()); |
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324 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>()); |
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325 return Sequence( |
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326 start.set(currentIndex()), |
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327 Keyword("for",false), NameList(false,names), Keyword("in",false), Expr(false), Keyword("do",false), |
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328 addSymbols(names.get()), |
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329 LoopBlock(), Keyword("end",false), |
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330 push( new GenericForStmt( se(start.get()), stackStart.get(), symbolsSize() - stackStart.get(), expr(pop(1)), (Stmt)pop() ) ), |
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331 popSymbols( symbolsSize() - stackStart.get() ) |
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332 ); |
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333 } |
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334 |
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335 Rule NumericForStmt() { |
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336 Var<Integer> start = new Var<Integer>(); |
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337 return Sequence( |
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338 start.set(currentIndex()), |
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339 Keyword("for",false), Name(false), '=', Spaces(false), Expr(false), Keyword("to",false), Expr(false), |
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340 push( new ConstExpr(1) ), // default step |
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341 Optional( |
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342 Keyword("step",false), |
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343 drop(), |
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344 Expr(false) |
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345 ), |
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346 addSymbol( (String)pop(3) ), // add "for" var to symbols |
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347 Keyword("do",false), LoopBlock(), Keyword("end",false), |
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348 push( new NumericForStmt( se(start.get()), symbolsSize()-1, expr(pop(3)), expr(pop(2)), expr(pop(1)), (Stmt)pop() ) ), |
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349 popSymbols(1) |
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350 ); |
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351 } |
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352 |
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353 Rule TryStmt() { |
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354 return Sequence( |
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355 Keyword("try",false), Block(), |
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356 Keyword("catch",false), Name(false), addSymbol( (String)pop() ), |
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357 Keyword("do",false), Block(), Keyword("end",false), |
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358 push( new TryStmt( (Stmt)pop(1), symbolsSize()-1, (Stmt)pop() ) ), |
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359 popSymbols(1) |
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360 ); |
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361 } |
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362 |
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363 Rule DoStmt() { |
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364 return Sequence( |
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365 Keyword("do",false), Block(), Keyword("end",false) |
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366 ); |
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367 } |
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368 |
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369 Rule LocalStmt(Var<List<Stmt>> stmts) { |
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370 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>()); |
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371 return Sequence( |
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372 Keyword("local",false), NameList(false,names), |
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373 Optional( |
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374 '=', Spaces(false), ExpList(false), |
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375 stmts.get().add( newSetLocalStmt(names.get().size()) ) |
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376 ), |
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377 addSymbols(names.get()) |
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378 ); |
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379 } |
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380 |
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381 Rule NameList(boolean inParens,Var<List<String>> names) { |
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382 return Sequence( |
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383 Name(inParens), |
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384 names.get().add( (String)pop() ), |
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385 ZeroOrMore( |
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386 ',', Spaces(inParens), Name(inParens), |
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387 names.get().add( (String)pop() ) |
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388 ) |
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389 ); |
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390 } |
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391 |
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392 SetStmt newSetLocalStmt(int nVars) { |
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393 Expressions values = (Expressions)pop(); |
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394 SetLocalVar[] vars = new SetLocalVar[nVars]; |
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395 int stackStart = symbolsSize(); |
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396 for( int i=0; i<vars.length; i++ ) { |
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397 vars[i] = new SetLocalVar(stackStart+i); |
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398 } |
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399 return new SetStmt( vars, values ); |
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400 } |
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401 |
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402 Rule WhileStmt() { |
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403 return Sequence( |
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404 Keyword("while",false), Expr(false), Keyword("do",false), LoopBlock(), Keyword("end",false), |
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405 push( new WhileStmt( expr(pop(1)), (Stmt)pop() ) ) |
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406 ); |
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407 } |
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408 |
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409 Rule RepeatStmt() { |
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410 return Sequence( |
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411 Keyword("repeat",false), LoopBlock(), Keyword("until",false), Expr(false), |
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412 push( new RepeatStmt( (Stmt)pop(1), expr(pop()) ) ) |
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413 ); |
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414 } |
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415 |
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416 Rule LoopBlock() { |
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417 return Sequence( incLoops(), Block(), decLoops() ); |
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418 } |
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419 |
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420 Rule IfStmt() { |
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421 Var<Integer> n = new Var<Integer>(1); |
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422 return Sequence( |
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423 Keyword("if",false), Expr(false), Keyword("then",false), Block(), |
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424 push(Stmt.EMPTY), |
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425 ZeroOrMore( |
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426 Keyword("elseif",false), drop(), Expr(false), Keyword("then",false), Block(), |
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427 push(Stmt.EMPTY), |
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428 n.set(n.get()+1) |
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429 ), |
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430 Optional( |
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431 Keyword("else",false), drop(), Block() |
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432 ), |
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433 Keyword("end",false), |
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434 buildIfStmt(n.get()) |
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435 ); |
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436 } |
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437 |
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438 boolean buildIfStmt(int n) { |
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439 while( n-- > 0 ) { |
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440 Stmt elseStmt = (Stmt)pop(); |
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441 Stmt thenStmt = (Stmt)pop(); |
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442 Expr cnd = expr(pop()); |
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443 push( new IfStmt(cnd,thenStmt,elseStmt) ); |
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444 } |
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445 return true; |
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446 } |
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447 |
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448 Rule SetStmt() { |
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449 return Sequence( |
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450 VarList(), |
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451 '=', Spaces(false), |
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452 ExpList(false), |
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453 push( newSetStmt() ) |
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454 ); |
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455 } |
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456 |
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457 Rule ExpressionsStmt() { |
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458 return Sequence( |
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459 ExpList(false), |
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460 push( new ExpressionsStmt((Expressions)pop()) ) |
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461 ); |
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462 } |
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463 |
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464 SetStmt newSetStmt() { |
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465 Expressions values = (Expressions)pop(); |
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466 @SuppressWarnings("unchecked") |
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467 List<Settable> vars = (List<Settable>)pop(); |
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468 return new SetStmt( vars.toArray(new Settable[0]), values ); |
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469 } |
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470 |
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471 Rule VarList() { |
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472 Var<List<Settable>> vars = new Var<List<Settable>>(new ArrayList<Settable>()); |
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473 return Sequence( |
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474 SettableVar(), |
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475 vars.get().add( (Settable)pop() ), |
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476 ZeroOrMore( |
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477 ',', Spaces(false), SettableVar(), |
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478 vars.get().add( (Settable)pop() ) |
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479 ), |
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480 push(vars.get()) |
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481 ); |
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482 } |
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483 |
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484 Rule SettableVar() { |
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485 Var<Integer> start = new Var<Integer>(); |
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486 return Sequence( |
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487 start.set(currentIndex()), |
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488 Var(false), |
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489 makeSettableVar(start.get()) |
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490 ); |
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491 } |
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492 |
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493 boolean makeSettableVar(int start) { |
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494 Object obj2 = pop(); |
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495 if( obj2==null ) |
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496 return false; |
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497 Object obj1 = pop(); |
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498 if( obj1!=null ) { |
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499 Expr key = expr(obj2); |
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500 Expr table = expr(obj1); |
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501 return push( new SetTableEntry(se(start),table,key) ); |
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502 } |
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503 String name = (String)obj2; |
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504 int index = stackIndex(name); |
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505 if( index != -1 ) |
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506 return push( new SetLocalVar(index) ); |
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507 index = upValueIndex(name); |
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508 if( index != -1 ) |
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509 return push( new SetUpVar(index) ); |
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510 return push( new SetTableEntry( se(start), env(), new ConstExpr(name) ) ); |
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511 } |
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512 |
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513 @Cached |
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514 Rule Expr(boolean inParens) { |
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515 return FirstOf( |
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516 VarArgs(inParens), |
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517 OrExpr(inParens) |
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518 ); |
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519 } |
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520 |
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521 @Cached |
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522 Rule OrExpr(boolean inParens) { |
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523 Var<Integer> start = new Var<Integer>(); |
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524 return Sequence( |
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525 start.set(currentIndex()), |
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526 AndExpr(inParens), |
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527 ZeroOrMore( Keyword("or",inParens), AndExpr(inParens), push( new OrExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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528 ); |
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529 } |
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530 |
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531 @Cached |
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532 Rule AndExpr(boolean inParens) { |
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533 Var<Integer> start = new Var<Integer>(); |
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534 return Sequence( |
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535 start.set(currentIndex()), |
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536 RelExpr(inParens), |
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537 ZeroOrMore( Keyword("and",inParens), RelExpr(inParens), push( new AndExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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538 ); |
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539 } |
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540 |
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541 @Cached |
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542 Rule RelExpr(boolean inParens) { |
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543 Var<Integer> start = new Var<Integer>(); |
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544 return Sequence( |
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545 start.set(currentIndex()), |
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546 ConcatExpr(inParens), |
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547 ZeroOrMore( |
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548 FirstOf( |
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549 Sequence( "==", Spaces(inParens), ConcatExpr(inParens), push( new EqExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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550 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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551 Sequence( "<=", Spaces(inParens), ConcatExpr(inParens), push( new LeExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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552 Sequence( ">=", Spaces(inParens), ConcatExpr(inParens), push( new LeExpr(se(start.get()),expr(pop()),expr(pop())) ) ), |
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553 Sequence( "<", Spaces(inParens), ConcatExpr(inParens), push( new LtExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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554 Sequence( ">", Spaces(inParens), ConcatExpr(inParens), push( new LtExpr(se(start.get()),expr(pop()),expr(pop())) ) ) |
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555 ) |
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556 ) |
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557 ); |
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558 } |
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559 |
65
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560 @Cached |
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561 Rule ConcatExpr(boolean inParens) { |
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562 Var<Integer> start = new Var<Integer>(); |
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563 return Sequence( |
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564 start.set(currentIndex()), |
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565 SumExpr(inParens), |
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566 Optional( "..", Spaces(inParens), ConcatExpr(inParens), push( new ConcatExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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567 ); |
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568 } |
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569 |
65
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570 @Cached |
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571 Rule SumExpr(boolean inParens) { |
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572 Var<Integer> start = new Var<Integer>(); |
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573 return Sequence( |
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574 start.set(currentIndex()), |
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575 TermExpr(inParens), |
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576 ZeroOrMore( |
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577 FirstOf( |
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578 Sequence( '+', Spaces(inParens), TermExpr(inParens), push( new AddExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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579 Sequence( '-', TestNot('-'), Spaces(inParens), TermExpr(inParens), push( new SubExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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580 ) |
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581 ) |
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582 ); |
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583 } |
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584 |
65
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585 @Cached |
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586 Rule TermExpr(boolean inParens) { |
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587 Var<Integer> start = new Var<Integer>(); |
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588 return Sequence( |
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589 start.set(currentIndex()), |
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590 UnaryExpr(inParens), |
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591 ZeroOrMore( |
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592 FirstOf( |
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593 Sequence( '*', Spaces(inParens), UnaryExpr(inParens), push( new MulExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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594 Sequence( '/', Spaces(inParens), UnaryExpr(inParens), push( new DivExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ), |
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595 Sequence( '%', Spaces(inParens), UnaryExpr(inParens), push( new ModExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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596 ) |
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597 ) |
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598 ); |
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599 } |
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600 |
65
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601 @Cached |
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602 Rule UnaryExpr(boolean inParens) { |
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603 Var<Integer> start = new Var<Integer>(); |
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604 return Sequence( |
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605 start.set(currentIndex()), |
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606 FirstOf( |
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607 Sequence( '#', Spaces(inParens), PowExpr(inParens), push( new LenExpr(se(start.get()),expr(pop())) ) ), |
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608 Sequence( '-', TestNot('-'), Spaces(inParens), PowExpr(inParens), push( new UnmExpr(se(start.get()),expr(pop())) ) ), |
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609 Sequence( Keyword("not",inParens), PowExpr(inParens), push( new NotExpr(se(start.get()),expr(pop())) ) ), |
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610 PowExpr(inParens) |
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611 ) |
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612 ); |
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613 } |
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614 |
65
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615 @Cached |
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616 Rule PowExpr(boolean inParens) { |
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617 Var<Integer> start = new Var<Integer>(); |
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618 return Sequence( |
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619 start.set(currentIndex()), |
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620 SingleExpr(inParens), |
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621 Optional( '^', Spaces(inParens), PowExpr(inParens), push( new PowExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ) |
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622 ); |
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623 } |
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624 |
65
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625 @Cached |
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626 Rule SingleExpr(boolean inParens) { |
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627 return FirstOf( |
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628 FunctionExpr(inParens), |
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629 TableExpr(inParens), |
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630 VarExp(inParens), |
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631 Literal(inParens) |
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632 ); |
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633 } |
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634 |
65
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635 @Cached |
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636 Rule FunctionExpr(boolean inParens) { |
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637 return Sequence( "function", Spaces(inParens), Function(inParens) ); |
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638 } |
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639 |
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640 @Cached |
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641 Rule Function(boolean inParens) { |
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642 Var<Integer> start = new Var<Integer>(); |
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643 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>()); |
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644 return Sequence( |
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645 start.set(currentIndex()), |
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646 '(', Spaces(true), |
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647 action( frame = new Frame(frame) ), |
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648 Optional( |
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649 FirstOf( |
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650 Sequence( |
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651 NameList(true,names), addSymbols(names.get()), |
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652 Optional( ',', Spaces(true), VarArgName() ) |
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653 ), |
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654 VarArgName() |
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655 ) |
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656 ), |
65
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657 ')', Spaces(inParens), Block(), Keyword("end",inParens), |
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658 push( newFnDef(start.get()) ), |
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659 action( frame = frame.parent ) |
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660 ); |
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661 } |
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662 |
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663 Rule VarArgName() { |
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664 return Sequence( |
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665 "...", Spaces(true), |
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666 action( frame.isVarArg = true ) |
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667 ); |
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668 } |
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669 |
65
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670 @Cached |
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671 Rule VarArgs(boolean inParens) { |
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672 Var<Integer> start = new Var<Integer>(); |
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673 return Sequence( |
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674 start.set(currentIndex()), |
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675 "...", Spaces(inParens), |
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676 frame.isVarArg, |
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677 push( new VarArgs(se(start.get())) ) |
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678 ); |
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679 } |
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680 |
65
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681 @Cached |
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682 Rule TableExpr(boolean inParens) { |
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683 Var<Integer> start = new Var<Integer>(); |
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684 Var<List<TableExpr.Field>> fields = new Var<List<TableExpr.Field>>(new ArrayList<TableExpr.Field>()); |
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685 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder()); |
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686 return Sequence( |
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687 start.set(currentIndex()), |
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688 '{', Spaces(true), |
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689 Optional( |
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690 Field(fields,builder), |
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691 ZeroOrMore( |
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692 FieldSep(), |
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693 Field(fields,builder) |
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694 ), |
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695 Optional( FieldSep() ) |
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696 ), |
65
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697 '}', |
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698 Spaces(inParens), |
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699 push( new TableExpr( se(start.get()), fields.get().toArray(new TableExpr.Field[0]), builder.get().build() ) ) |
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700 ); |
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701 } |
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702 |
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703 Rule FieldSep() { |
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704 return Sequence( AnyOf(",;"), Spaces(true) ); |
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705 } |
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706 |
25
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707 Rule Field(Var<List<TableExpr.Field>> fields,Var<ExpList.Builder> builder) { |
9
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708 return FirstOf( |
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709 Sequence( |
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710 FirstOf( SubExpr(true), NameExpr(true) ), |
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711 '=', Spaces(true), Expr(true), |
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712 fields.get().add( new TableExpr.Field( expr(pop(1)), expr(pop()) ) ) |
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713 ), |
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714 Sequence( |
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715 Expr(true), |
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716 addToExpList(builder.get()) |
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717 ) |
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718 ); |
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719 } |
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720 |
11
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721 static Expr expr(Object obj) { |
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722 if( obj instanceof Expressions ) |
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723 return new ExpressionsExpr((Expressions)obj); |
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724 return (Expr)obj; |
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725 } |
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726 |
65
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parents:
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727 @Cached |
1ff53a88579a
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diff
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|
728 Rule VarExp(boolean inParens) { |
40
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|
729 Var<Integer> start = new Var<Integer>(); |
11
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730 return Sequence( |
40
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|
731 start.set(currentIndex()), |
65
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|
732 Var(inParens), |
40
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|
733 makeVarExp(start.get()) |
11
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734 ); |
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add assignment statement and CmdLine
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parents:
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changeset
|
735 } |
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add assignment statement and CmdLine
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736 |
65
1ff53a88579a
multi-line statements
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changeset
|
737 @Cached |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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changeset
|
738 Rule Var(boolean inParens) { |
40
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parents:
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|
739 Var<Integer> start = new Var<Integer>(); |
82
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740 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(); |
9
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741 return Sequence( |
40
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|
742 start.set(currentIndex()), |
82
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|
743 VarStart(inParens), |
9
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changeset
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744 ZeroOrMore( |
40
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|
745 makeVarExp(start.get()), |
9
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746 FirstOf( |
82
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747 VarExt(inParens), |
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748 Sequence( |
8ea2e94f3318
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749 builder.set(new ExpList.Builder()), |
8ea2e94f3318
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750 Args(inParens,start,builder) |
8ea2e94f3318
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751 ), |
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752 Sequence( |
82
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753 "->", Spaces(inParens), |
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754 builder.set(new ExpList.Builder()), |
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755 addToExpList(builder.get()), |
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756 VarExpB(inParens), |
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757 Args(inParens,start,builder) |
11
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758 ) |
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759 ) |
9
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760 ) |
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761 ); |
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762 } |
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763 |
82
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764 @Cached |
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765 Rule VarExpB(boolean inParens) { |
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766 Var<Integer> start = new Var<Integer>(); |
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767 return Sequence( |
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768 start.set(currentIndex()), |
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769 VarStart(inParens), |
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770 ZeroOrMore( |
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771 makeVarExp(start.get()), |
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772 VarExt(inParens) |
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773 ), |
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774 makeVarExp(start.get()) |
8ea2e94f3318
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775 ); |
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776 } |
8ea2e94f3318
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777 |
8ea2e94f3318
add -> operator
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778 @Cached |
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779 Rule VarExt(boolean inParens) { |
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780 return FirstOf( |
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781 SubExpr(inParens), |
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782 Sequence( '.', Spaces(inParens), NameExpr(inParens) ) |
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783 ); |
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784 } |
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785 |
8ea2e94f3318
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786 @Cached |
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787 Rule VarStart(boolean inParens) { |
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788 return FirstOf( |
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789 Sequence( |
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790 '(', Spaces(true), Expr(true), ')', Spaces(inParens), |
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791 push(expr(pop())), |
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792 push(null) // marker |
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793 ), |
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794 Sequence( |
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795 push(null), // marker |
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796 Name(inParens) |
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797 ) |
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798 ); |
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799 } |
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800 |
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801 Expr env() { |
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802 int index = stackIndex(_ENV); |
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803 if( index != -1 ) |
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804 return new GetLocalVar(null,index); |
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805 index = upValueIndex(_ENV); |
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806 if( index != -1 ) |
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807 return new GetUpVar(null,index); |
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808 throw new RuntimeException("_ENV not found"); |
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809 } |
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810 |
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|
811 boolean makeVarExp(int start) { |
17
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812 Object obj2 = pop(); |
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813 if( obj2==null ) |
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814 return true; |
17
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815 Object obj1 = pop(); |
32
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816 if( obj1 != null ) |
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817 return push( new IndexExpr( se(start), expr(obj1), expr(obj2) ) ); |
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818 String name = (String)obj2; |
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819 int index = stackIndex(name); |
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820 if( index != -1 ) |
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821 return push( new GetLocalVar(se(start),index) ); |
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822 index = upValueIndex(name); |
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823 if( index != -1 ) |
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824 return push( new GetUpVar(se(start),index) ); |
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825 return push( new IndexExpr( se(start), env(), new ConstExpr(name) ) ); |
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826 } |
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827 |
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828 // function should be on top of the stack |
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829 Rule Args(boolean inParens,Var<Integer> start,Var<ExpList.Builder> builder) { |
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830 return Sequence( |
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831 FirstOf( |
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832 Sequence( |
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833 '(', Spaces(true), Optional(ExpList(true,builder)), ')', Spaces(inParens) |
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834 ), |
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835 Sequence( |
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836 TableExpr(inParens), |
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837 addToExpList(builder.get()) |
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838 ), |
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839 Sequence( |
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840 StringLiteral(inParens), |
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841 push(new ConstExpr(pop())), |
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842 addToExpList(builder.get()) |
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843 ) |
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844 ), |
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845 push( new FnCall( se(start.get()), expr(pop()), builder.get().build() ) ), |
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846 push(null) // marker |
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847 ); |
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848 } |
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849 |
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850 @Cached |
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851 Rule Expressions(boolean inParens) { |
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852 return FirstOf( |
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853 ExpList(inParens), |
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854 push( ExpList.emptyExpList ) |
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855 ); |
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856 } |
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857 |
65
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858 @Cached |
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859 Rule ExpList(boolean inParens) { |
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860 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder()); |
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861 return Sequence( |
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862 ExpList(inParens,builder), |
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863 push( builder.get().build() ) |
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864 ); |
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865 } |
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866 |
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867 Rule ExpList(boolean inParens,Var<ExpList.Builder> builder) { |
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868 return Sequence( |
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869 Expr(inParens), |
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870 addToExpList(builder.get()), |
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871 ZeroOrMore( |
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872 ',', Spaces(inParens), Expr(inParens), |
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873 addToExpList(builder.get()) |
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874 ) |
9
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875 ); |
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876 } |
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877 |
17
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878 boolean addToExpList(ExpList.Builder bld) { |
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879 Object obj = pop(); |
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880 if( obj instanceof Expressions ) { |
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881 bld.add( (Expressions)obj ); |
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882 } else { |
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883 bld.add( (Expr)obj ); |
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884 } |
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885 return true; |
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886 } |
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887 |
54
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888 boolean addToExpList(ExpList.Builder bld, Expr expr) { |
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889 bld.add(expr); |
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890 return true; |
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891 } |
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892 |
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893 @Cached |
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894 Rule SubExpr(boolean inParens) { |
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895 return Sequence( '[', Spaces(true), Expr(true), ']', Spaces(inParens) ); |
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896 } |
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897 |
65
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898 @Cached |
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899 Rule NameExpr(boolean inParens) { |
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900 return Sequence( |
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901 Name(inParens), |
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902 push( new ConstExpr((String)pop()) ) |
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903 ); |
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904 } |
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905 |
65
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906 @Cached |
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907 Rule Name(boolean inParens) { |
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908 return Sequence( |
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909 Sequence( |
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910 NameFirstChar(), |
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|
911 ZeroOrMore( NameChar() ) |
9
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912 ), |
17
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|
913 !keywords.contains(match()), |
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add local variables
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|
914 push(match()), |
65
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multi-line statements
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|
915 Spaces(inParens) |
9
600676034a1a
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|
916 ); |
600676034a1a
add variables and tables
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|
917 } |
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add variables and tables
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|
918 |
17
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diff
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|
919 Rule NameChar() { |
09d41f7490a8
add local variables
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diff
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|
920 return FirstOf( NameFirstChar(), Digit() ); |
09d41f7490a8
add local variables
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|
921 } |
09d41f7490a8
add local variables
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|
922 |
09d41f7490a8
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diff
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|
923 Rule NameFirstChar() { |
9
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|
924 return FirstOf( |
600676034a1a
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|
925 CharRange('a', 'z'), |
600676034a1a
add variables and tables
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diff
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|
926 CharRange('A', 'Z'), |
600676034a1a
add variables and tables
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|
927 '_' |
600676034a1a
add variables and tables
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|
928 ); |
600676034a1a
add variables and tables
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diff
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|
929 } |
600676034a1a
add variables and tables
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|
930 |
65
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|
931 Rule Keyword(String keyword,boolean inParens) { |
17
09d41f7490a8
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|
932 return Sequence( |
09d41f7490a8
add local variables
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|
933 keyword, |
09d41f7490a8
add local variables
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|
934 TestNot( NameChar() ), |
65
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multi-line statements
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|
935 Spaces(inParens) |
17
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|
936 ); |
12
9cea1aea5eef
CmdLine can run files
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parents:
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|
937 } |
9cea1aea5eef
CmdLine can run files
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parents:
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|
938 |
17
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parents:
16
diff
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|
939 static final Set<String> keywords = new HashSet<String>(Arrays.asList( |
12
9cea1aea5eef
CmdLine can run files
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diff
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|
940 "and", |
9cea1aea5eef
CmdLine can run files
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|
941 "break", |
42
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implement try-catch
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diff
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|
942 "catch", |
12
9cea1aea5eef
CmdLine can run files
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|
943 "do", |
9cea1aea5eef
CmdLine can run files
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|
944 "else", |
9cea1aea5eef
CmdLine can run files
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diff
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|
945 "elseif", |
9cea1aea5eef
CmdLine can run files
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diff
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|
946 "end", |
9cea1aea5eef
CmdLine can run files
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diff
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|
947 "false", |
9cea1aea5eef
CmdLine can run files
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|
948 "for", |
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CmdLine can run files
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|
949 "function", |
9cea1aea5eef
CmdLine can run files
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|
950 "goto", |
9cea1aea5eef
CmdLine can run files
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|
951 "if", |
9cea1aea5eef
CmdLine can run files
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|
952 "in", |
9cea1aea5eef
CmdLine can run files
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|
953 "local", |
9cea1aea5eef
CmdLine can run files
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|
954 "nil", |
9cea1aea5eef
CmdLine can run files
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diff
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|
955 "not", |
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CmdLine can run files
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diff
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|
956 "or", |
9cea1aea5eef
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|
957 "repeat", |
9cea1aea5eef
CmdLine can run files
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|
958 "return", |
33
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change numeric for syntax
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diff
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|
959 "step", |
12
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|
960 "then", |
33
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|
961 "to", |
12
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CmdLine can run files
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|
962 "true", |
42
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|
963 "try", |
12
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|
964 "until", |
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|
965 "while" |
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|
966 )); |
9cea1aea5eef
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|
967 |
65
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|
968 @Cached |
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|
969 Rule Literal(boolean inParens) { |
7
bca8fc5d928b
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|
970 return Sequence( |
65
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|
971 FirstOf( |
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|
972 NilLiteral(inParens), |
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|
973 BooleanLiteral(inParens), |
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|
974 NumberLiteral(inParens), |
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|
975 StringLiteral(inParens) |
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|
976 ), |
5
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|
977 push(new ConstExpr(pop())) |
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|
978 ); |
9ef0fd711101
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|
979 } |
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|
980 |
65
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981 @Cached |
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982 Rule NilLiteral(boolean inParens) { |
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983 return Sequence( Keyword("nil",inParens), push(null) ); |
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984 } |
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985 |
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986 @Cached |
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987 Rule BooleanLiteral(boolean inParens) { |
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|
988 return FirstOf( |
65
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989 Sequence( Keyword("true",inParens), push(true) ), |
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990 Sequence( Keyword("false",inParens), push(false) ) |
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991 ); |
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992 } |
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993 |
65
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994 @Cached |
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995 Rule NumberLiteral(boolean inParens) { |
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996 return Sequence( |
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997 FirstOf( |
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|
998 Sequence( |
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999 IgnoreCase("0x"), |
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|
1000 HexNumber() |
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1001 ), |
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1002 Sequence( |
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|
1003 DecNumber(), |
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1004 push(Double.valueOf(match())) |
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1005 ) |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1006 ), |
65
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1007 TestNot( NameChar() ), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1008 Spaces(inParens) |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1009 ); |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1010 } |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1011 |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1012 Rule DecNumber() { |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1013 return FirstOf( |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1014 Sequence( |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1015 Int(), |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1016 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
|
1017 Exponent() |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1018 ), |
11
b7d7069fee58
add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
9
diff
changeset
|
1019 Sequence( '.', Int(), Exponent() ) |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1020 ); |
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 |
11
b7d7069fee58
add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
9
diff
changeset
|
1023 Rule Exponent() { |
5
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1024 return Optional( |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1025 IgnoreCase('e'), |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1026 Optional(AnyOf("+-")), |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1027 Int() |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1028 ); |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1029 } |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
1030 |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1031 Rule Int() { |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1032 return OneOrMore(Digit()); |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1033 } |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1034 |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1035 Rule Digit() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1036 return CharRange('0', '9'); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1037 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1038 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1039 Rule HexNumber() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1040 return FirstOf( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1041 Sequence( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1042 HexInt(), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1043 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
|
1044 Optional( '.', Optional(HexDec()) ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1045 HexExponent() |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1046 ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1047 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
|
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 HexDec() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1052 return Sequence( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1053 HexInt(), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1054 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
|
1055 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1056 } |
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 Rule HexExponent() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1059 return Optional( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1060 IgnoreCase('p'), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1061 Sequence( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1062 Optional(AnyOf("+-")), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1063 HexInt() |
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 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
|
1066 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1067 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1068 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1069 Rule HexInt() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1070 return OneOrMore(Digit()); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1071 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1072 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1073 |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1074 Rule HexDigit() { |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1075 return FirstOf( |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1076 Digit(), |
a315783c9524
more parsing
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parents:
5
diff
changeset
|
1077 AnyOf("abcdefABCDEF") |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1078 ); |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1079 } |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
1080 |
65
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1081 @Cached |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1082 Rule StringLiteral(boolean inParens) { |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1083 return Sequence( |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1084 FirstOf( |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1085 QuotedString('"'), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1086 QuotedString('\''), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1087 LongString() |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1088 ), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1089 Spaces(inParens) |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1090 ); |
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 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1093 Rule LongString() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1094 return Sequence( |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
1095 '[', |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1096 ZeroOrMore('='), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1097 nEquals(matchLength()), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1098 '[', |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1099 ZeroOrMore( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1100 TestNot(LongBracketsEnd()), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
1101 ANY |
2a30281ef47c
finish number literals;
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1102 ), |
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finish number literals;
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1103 push( match() ), |
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|
1104 LongBracketsEnd() |
6
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1105 ); |
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1106 } |
5
9ef0fd711101
start LuaParser
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1107 |
6
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|
1108 Rule QuotedString(char quote) { |
17
09d41f7490a8
add local variables
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1109 StringBuilderVar buf = new StringBuilderVar(); |
6
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1110 return Sequence( |
7
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1111 quote, |
6
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|
1112 ZeroOrMore( |
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1113 FirstOf( |
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1114 Sequence( |
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parents:
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|
1115 NoneOf("\\\n"+quote), |
17
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add local variables
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1116 buf.append(matchedChar()) |
6
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|
1117 ), |
17
09d41f7490a8
add local variables
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|
1118 EscSeq(buf) |
6
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1119 ) |
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1120 ), |
7
bca8fc5d928b
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parents:
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diff
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|
1121 quote, |
17
09d41f7490a8
add local variables
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|
1122 push( buf.getString() ) |
6
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|
1123 ); |
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1124 } |
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|
1125 |
17
09d41f7490a8
add local variables
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parents:
16
diff
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|
1126 Rule EscSeq(StringBuilderVar buf) { |
6
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parents:
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|
1127 return Sequence( |
7
bca8fc5d928b
work on expressions
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diff
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|
1128 '\\', |
6
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|
1129 FirstOf( |
17
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add local variables
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parents:
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diff
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|
1130 Sequence( 'a', buf.append('\u0007') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
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|
1131 Sequence( 'b', buf.append('\b') ), |
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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|
1132 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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|
1133 Sequence( 'n', buf.append('\n') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
1134 Sequence( 'r', buf.append('\r') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
1135 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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|
1136 Sequence( 'v', buf.append('\u000b') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
1137 Sequence( '\\', buf.append('\\') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
1138 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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|
1139 Sequence( '\'', buf.append('\'') ), |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
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|
1140 Sequence( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1141 'x', |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
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|
1142 Sequence( HexDigit(), HexDigit() ), |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
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|
1143 buf.append( (char)Integer.parseInt(match(),16) ) |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
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|
1144 ), |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1145 Sequence( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1146 Sequence( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1147 Digit(), |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1148 Optional( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1149 Digit(), |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1150 Optional( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1151 Digit() |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1152 ) |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1153 ) |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
1154 ), |
17
09d41f7490a8
add local variables
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parents:
16
diff
changeset
|
1155 buf.append( (char)Integer.parseInt(match()) ) |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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|
1156 ) |
6
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|
1157 ) |
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|
1158 ); |
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|
1159 } |
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diff
changeset
|
1160 |
65
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1161 @Cached |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
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|
1162 Rule Spaces(boolean inParens) { |
14
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
12
diff
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|
1163 return ZeroOrMore( |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1164 FirstOf( |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
12
diff
changeset
|
1165 AnyOf(" \t"), |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1166 Comment(), |
65
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1167 Sequence( '\\', EndOfLine() ), |
1ff53a88579a
multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
60
diff
changeset
|
1168 Sequence( AnyOf("\r\n"), inParens ) |
14
2ddf85634d20
whitespace handling;
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parents:
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diff
changeset
|
1169 ) |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1170 ); |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
1171 } |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1172 |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1173 Rule Comment() { |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
1174 return Sequence( |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1175 "--[", |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
1176 ZeroOrMore('='), |
16
2a30281ef47c
finish number literals;
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diff
changeset
|
1177 nEquals(matchLength()), |
14
2ddf85634d20
whitespace handling;
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diff
changeset
|
1178 '[', |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1179 ZeroOrMore( |
16
2a30281ef47c
finish number literals;
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15
diff
changeset
|
1180 TestNot(LongBracketsEnd()), |
14
2ddf85634d20
whitespace handling;
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parents:
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diff
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|
1181 ANY |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
1182 ), |
16
2a30281ef47c
finish number literals;
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parents:
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diff
changeset
|
1183 LongBracketsEnd() |
14
2ddf85634d20
whitespace handling;
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diff
changeset
|
1184 ); |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
1185 } |
2ddf85634d20
whitespace handling;
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parents:
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diff
changeset
|
1186 |
16
2a30281ef47c
finish number literals;
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parents:
15
diff
changeset
|
1187 Rule LongBracketsEnd() { |
2a30281ef47c
finish number literals;
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diff
changeset
|
1188 return Sequence( ']', ZeroOrMore('='), nEquals==matchLength(), ']' ); |
7
bca8fc5d928b
work on expressions
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diff
changeset
|
1189 } |
bca8fc5d928b
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diff
changeset
|
1190 |
18
3971113699b8
add NumericForStmt
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parents:
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diff
changeset
|
1191 static boolean action(Object obj) { |
3971113699b8
add NumericForStmt
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parents:
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changeset
|
1192 return true; |
3971113699b8
add NumericForStmt
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diff
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|
1193 } |
3971113699b8
add NumericForStmt
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parents:
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diff
changeset
|
1194 |
12
9cea1aea5eef
CmdLine can run files
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parents:
11
diff
changeset
|
1195 // for debugging |
14
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whitespace handling;
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parents:
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1196 boolean print(Object o) { |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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1197 System.out.println(o); |
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CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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1198 return true; |
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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1199 } |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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1200 |
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start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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1201 } |