Mercurial Hosting > luan
annotate src/luan/interp/LuaParser.java @ 18:3971113699b8
add NumericForStmt
git-svn-id: https://luan-java.googlecode.com/svn/trunk@19 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Sun, 02 Dec 2012 07:00:44 +0000 |
parents | 09d41f7490a8 |
children | a7c13c6017f7 |
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1 package luan.interp; |
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2 |
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3 import java.util.Set; |
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4 import java.util.HashSet; |
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5 import java.util.Arrays; |
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6 import java.util.List; |
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7 import java.util.ArrayList; |
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8 import java.util.Scanner; |
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9 import org.parboiled.BaseParser; |
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10 import org.parboiled.Parboiled; |
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11 import org.parboiled.Rule; |
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12 import org.parboiled.parserunners.ReportingParseRunner; |
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13 import org.parboiled.support.ParsingResult; |
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14 import org.parboiled.support.Var; |
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15 import org.parboiled.support.StringVar; |
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16 import org.parboiled.support.StringBuilderVar; |
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17 import org.parboiled.support.ValueStack; |
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18 import org.parboiled.errors.ErrorUtils; |
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19 import luan.Lua; |
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20 import luan.LuaNumber; |
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21 import luan.LuaState; |
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22 |
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23 |
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24 public class LuaParser extends BaseParser<Object> { |
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25 int nEquals; |
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26 int parens = 0; |
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27 List<String> symbols = new ArrayList<String>(); |
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28 int stackSize = 0; |
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29 |
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30 boolean nEquals(int n) { |
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31 nEquals = n; |
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32 return true; |
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33 } |
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34 |
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35 boolean incParens() { |
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36 parens++; |
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37 return true; |
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38 } |
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39 |
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40 boolean decParens() { |
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41 parens--; |
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42 return true; |
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43 } |
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44 |
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45 int index(String name) { |
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46 int i = symbols.size(); |
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47 while( --i >= 0 ) { |
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48 System.out.println("index ["+name+"] ["+symbols.get(i)+"] "+symbols.get(i).equals(name)); |
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49 if( symbols.get(i).equals(name) ) |
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50 return i; |
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51 } |
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52 return -1; |
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53 } |
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54 |
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55 public Rule Target() { |
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56 return Sequence( |
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57 Spaces(), |
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58 FirstOf( |
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59 Sequence( ExpList(), EOI ), |
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60 Sequence( Chunk(), EOI ) |
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61 ) |
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62 ); |
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63 } |
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64 |
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65 Rule Chunk() { |
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66 return Sequence( |
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67 Block(), |
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68 push( new Chunk( (Stmt)pop(), stackSize ) ) |
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69 ); |
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70 } |
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71 |
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72 Rule Block() { |
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73 Var<List<Stmt>> stmts = new Var<List<Stmt>>(new ArrayList<Stmt>()); |
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74 Var<Integer> stackCount = new Var<Integer>(0); |
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75 return Sequence( |
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76 Optional( Stmt(stmts,stackCount) ), |
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77 ZeroOrMore( |
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78 StmtSep(), |
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79 Optional( Stmt(stmts,stackCount) ) |
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80 ), |
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81 push( newBlock(stmts.get(),stackCount.get()) ) |
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82 ); |
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83 } |
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84 |
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85 Stmt newBlock(List<Stmt> stmts,int stackN) { |
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86 if( stackSize < symbols.size() ) |
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87 stackSize = symbols.size(); |
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88 for( int i=0; i<stackN; i++ ) { |
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89 symbols.remove(symbols.size()-1); // pop |
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90 } |
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91 if( stmts.isEmpty() ) |
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92 return Stmt.EMPTY; |
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93 if( stmts.size()==1 && stackN==0 ) |
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94 return stmts.get(0); |
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95 return new Block( stmts.toArray(new Stmt[0]), symbols.size(), symbols.size()+stackN ); |
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96 } |
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97 |
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98 Rule StmtSep() { |
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99 return Sequence( |
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100 FirstOf( |
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101 ';', |
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102 Sequence( |
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103 Optional( "--", ZeroOrMore(NoneOf("\r\n")) ), |
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104 EndOfLine() |
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105 ) |
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106 ), |
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107 Spaces() |
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108 ); |
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109 } |
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110 |
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111 Rule EndOfLine() { |
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112 return FirstOf("\r\n", '\r', '\n'); |
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113 } |
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114 |
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115 Rule Stmt(Var<List<Stmt>> stmts,Var<Integer> stackCount) { |
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116 return FirstOf( |
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117 LocalStmt(stmts,stackCount), |
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118 Sequence( |
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119 FirstOf( |
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120 NumericForStmt(), |
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121 DoStmt(), |
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122 WhileStmt(), |
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123 RepeatStmt(), |
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124 IfStmt(), |
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125 SetStmt(), |
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126 ExpressionsStmt() |
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127 ), |
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128 stmts.get().add( (Stmt)pop() ) |
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129 ) |
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130 ); |
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131 } |
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132 |
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133 Rule NumericForStmt() { |
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134 return Sequence( |
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135 Keyword("for"), Name(), '=', Spaces(), Expr(), ',', Spaces(), Expr(), |
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136 push( new ConstExpr(new LuaNumber(1)) ), // default step |
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137 Optional( |
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138 ',', Spaces(), |
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139 drop(), |
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140 Expr() |
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141 ), |
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142 symbols.add( (String)pop(3) ), // add "for" var to symbols |
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143 Keyword("do"), Block(), Keyword("end"), |
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144 push( new NumericForStmt( symbols.size()-1, expr(pop(3)), expr(pop(2)), expr(pop(1)), (Stmt)pop() ) ), |
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145 action( symbols.remove(symbols.size()-1) ) // pop |
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146 ); |
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147 } |
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148 |
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149 Rule DoStmt() { |
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150 return Sequence( |
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151 Keyword("do"), Block(), Keyword("end") |
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152 ); |
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153 } |
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154 |
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155 Rule LocalStmt(Var<List<Stmt>> stmts,Var<Integer> stackCount) { |
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156 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>()); |
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157 return Sequence( |
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158 Keyword("local"), |
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159 Name(), |
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160 newName(names.get(),stackCount), |
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161 ZeroOrMore( |
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162 ',', Spaces(), Name(), |
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163 newName(names.get(),stackCount) |
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164 ), |
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165 Optional( |
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166 '=', Spaces(), |
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167 ExpList(), |
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168 stmts.get().add( newSetLocalStmt(names.get()) ) |
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169 ) |
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170 ); |
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171 } |
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172 |
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173 boolean newName(List<String> names,Var<Integer> stackCount) { |
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174 String name = (String)pop(); |
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175 names.add(name); |
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176 symbols.add(name); |
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177 stackCount.set( stackCount.get() + 1 ); |
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178 return true; |
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179 } |
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180 |
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181 SetStmt newSetLocalStmt(List<String> names) { |
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182 Expressions values = (Expressions)pop(); |
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183 SetLocalVar[] vars = new SetLocalVar[names.size()]; |
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184 for( int i=0; i<vars.length; i++ ) { |
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185 vars[i] = new SetLocalVar(index(names.get(i))); |
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186 } |
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187 return new SetStmt( vars, values ); |
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188 } |
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189 |
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190 Rule WhileStmt() { |
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191 return Sequence( |
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192 Keyword("while"), Expr(), Keyword("do"), Block(), Keyword("end"), |
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193 push( new WhileStmt( expr(pop(1)), (Stmt)pop() ) ) |
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194 ); |
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195 } |
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196 |
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197 Rule RepeatStmt() { |
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198 return Sequence( |
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199 Keyword("repeat"), Block(), Keyword("until"), Expr(), |
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200 push( new RepeatStmt( (Stmt)pop(1), expr(pop()) ) ) |
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201 ); |
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202 } |
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203 |
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204 Rule IfStmt() { |
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205 Var<Integer> n = new Var<Integer>(1); |
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206 return Sequence( |
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207 Keyword("if"), Expr(), Keyword("then"), Block(), |
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208 push(Stmt.EMPTY), |
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209 ZeroOrMore( |
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210 Keyword("elseif"), drop(), Expr(), Keyword("then"), Block(), |
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211 push(Stmt.EMPTY), |
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212 n.set(n.get()+1) |
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213 ), |
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214 Optional( |
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215 Keyword("else"), drop(), Block() |
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216 ), |
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217 Keyword("end"), |
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218 buildIfStmt(n.get()) |
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219 ); |
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220 } |
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221 |
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222 boolean buildIfStmt(int n) { |
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223 while( n-- > 0 ) { |
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224 Stmt elseStmt = (Stmt)pop(); |
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225 Stmt thenStmt = (Stmt)pop(); |
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226 Expr cnd = expr(pop()); |
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227 push( new IfStmt(cnd,thenStmt,elseStmt) ); |
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228 } |
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229 return true; |
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230 } |
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231 |
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232 Rule SetStmt() { |
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233 return Sequence( |
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234 VarList(), |
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235 '=', Spaces(), |
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236 ExpList(), |
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237 push( newSetStmt() ) |
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238 ); |
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239 } |
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240 |
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241 Rule ExpressionsStmt() { |
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242 return Sequence( |
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243 ExpList(), |
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244 push( new ExpressionsStmt((Expressions)pop()) ) |
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245 ); |
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246 } |
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247 |
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248 SetStmt newSetStmt() { |
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249 Expressions values = (Expressions)pop(); |
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250 @SuppressWarnings("unchecked") |
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251 List<Settable> vars = (List<Settable>)pop(); |
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252 return new SetStmt( vars.toArray(new Settable[0]), values ); |
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253 } |
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254 |
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255 Rule VarList() { |
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256 return Sequence( |
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257 push(new ArrayList<Settable>()), |
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258 Var(), |
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259 addToVarList(), |
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260 ZeroOrMore( |
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261 ',', Spaces(), Var(), |
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262 addToVarList() |
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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 boolean addToVarList() { |
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268 Object obj2 = pop(); |
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269 if( obj2==null ) |
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270 return false; |
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271 Object obj1 = pop(); |
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272 @SuppressWarnings("unchecked") |
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273 List<Settable> vars = (List<Settable>)peek(); |
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274 if( obj1==null ) { |
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275 String name = (String)obj2; |
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276 int index = index(name); |
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277 if( index == -1 ) { |
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278 vars.add( new SetTableEntry( EnvExpr.INSTANCE, new ConstExpr(name) ) ); |
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279 } else { |
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280 vars.add( new SetLocalVar(index) ); |
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281 } |
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282 } else { |
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283 Expr key = expr(obj2); |
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284 Expr table = expr(obj1); |
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285 vars.add( new SetTableEntry(table,key) ); |
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286 } |
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287 return true; |
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288 } |
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289 |
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290 Rule Expr() { |
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291 return OrExpr(); |
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292 } |
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293 |
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294 Rule OrExpr() { |
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295 return Sequence( |
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296 AndExpr(), |
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297 ZeroOrMore( "or", Spaces(), AndExpr(), push( new OrExpr(expr(pop(1)),expr(pop())) ) ) |
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298 ); |
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299 } |
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300 |
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301 Rule AndExpr() { |
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302 return Sequence( |
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303 RelExpr(), |
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304 ZeroOrMore( "and", Spaces(), RelExpr(), push( new AndExpr(expr(pop(1)),expr(pop())) ) ) |
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305 ); |
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306 } |
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307 |
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308 Rule RelExpr() { |
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309 return Sequence( |
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310 ConcatExpr(), |
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311 ZeroOrMore( |
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312 FirstOf( |
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313 Sequence( "==", Spaces(), ConcatExpr(), push( new EqExpr(expr(pop(1)),expr(pop())) ) ), |
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314 Sequence( "~=", Spaces(), ConcatExpr(), push( new NotExpr(new EqExpr(expr(pop(1)),expr(pop()))) ) ), |
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315 Sequence( "<=", Spaces(), ConcatExpr(), push( new LeExpr(expr(pop(1)),expr(pop())) ) ), |
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316 Sequence( ">=", Spaces(), ConcatExpr(), push( new LeExpr(expr(pop()),expr(pop())) ) ), |
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317 Sequence( "<", Spaces(), ConcatExpr(), push( new LtExpr(expr(pop(1)),expr(pop())) ) ), |
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318 Sequence( ">", Spaces(), ConcatExpr(), push( new LtExpr(expr(pop()),expr(pop())) ) ) |
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319 ) |
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320 ) |
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321 ); |
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322 } |
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323 |
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324 Rule ConcatExpr() { |
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325 return Sequence( |
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326 SumExpr(), |
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327 Optional( "..", Spaces(), ConcatExpr(), push( new ConcatExpr(expr(pop(1)),expr(pop())) ) ) |
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328 ); |
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329 } |
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330 |
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331 Rule SumExpr() { |
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332 return Sequence( |
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333 TermExpr(), |
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334 ZeroOrMore( |
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335 FirstOf( |
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336 Sequence( '+', Spaces(), TermExpr(), push( new AddExpr(expr(pop(1)),expr(pop())) ) ), |
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337 Sequence( '-', TestNot('-'), Spaces(), TermExpr(), push( new SubExpr(expr(pop(1)),expr(pop())) ) ) |
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338 ) |
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339 ) |
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340 ); |
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341 } |
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342 |
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343 Rule TermExpr() { |
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344 return Sequence( |
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345 UnaryExpr(), |
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346 ZeroOrMore( |
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347 FirstOf( |
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348 Sequence( '*', Spaces(), UnaryExpr(), push( new MulExpr(expr(pop(1)),expr(pop())) ) ), |
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349 Sequence( '/', Spaces(), UnaryExpr(), push( new DivExpr(expr(pop(1)),expr(pop())) ) ), |
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350 Sequence( '%', Spaces(), UnaryExpr(), push( new ModExpr(expr(pop(1)),expr(pop())) ) ) |
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351 ) |
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352 ) |
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353 ); |
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354 } |
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355 |
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356 Rule UnaryExpr() { |
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357 return FirstOf( |
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358 Sequence( '#', Spaces(), PowExpr(), push( new LenExpr(expr(pop())) ) ), |
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359 Sequence( '-', TestNot('-'), Spaces(), PowExpr(), push( new UnmExpr(expr(pop())) ) ), |
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360 Sequence( "not", Spaces(), PowExpr(), push( new NotExpr(expr(pop())) ) ), |
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361 PowExpr() |
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362 ); |
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363 } |
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364 |
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365 Rule PowExpr() { |
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366 return Sequence( |
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367 SingleExpr(), |
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368 Optional( '^', Spaces(), PowExpr(), push( new PowExpr(expr(pop(1)),expr(pop())) ) ) |
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369 ); |
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370 } |
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371 |
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372 Rule SingleExpr() { |
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373 return FirstOf( |
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374 TableExpr(), |
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375 VarExp(), |
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376 LiteralExpr() |
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377 ); |
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378 } |
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379 |
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380 Rule TableExpr() { |
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381 return Sequence( |
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382 '{', incParens(), Spaces(), |
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383 push( new ArrayList<TableExpr.Field>() ), |
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384 push( 1.0 ), // counter |
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385 Optional( |
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386 Field(), |
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387 ZeroOrMore( |
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388 FieldSep(), |
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389 Field() |
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390 ), |
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391 Optional( FieldSep() ) |
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392 ), |
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393 '}', decParens(), |
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394 push( newTableExpr() ), |
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395 Spaces() |
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396 ); |
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397 } |
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398 |
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399 TableExpr newTableExpr() { |
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400 pop(); // counter |
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401 @SuppressWarnings("unchecked") |
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402 List<TableExpr.Field> list = (List<TableExpr.Field>)pop(); |
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403 return new TableExpr(list.toArray(new TableExpr.Field[0])); |
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404 } |
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405 |
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406 Rule FieldSep() { |
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407 return Sequence( AnyOf(",;"), Spaces() ); |
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408 } |
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409 |
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410 Rule Field() { |
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411 return FirstOf( |
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412 Sequence( |
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413 FirstOf( SubExpr(), NameExpr() ), |
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414 '=', Spaces(), Expr(), |
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415 addField() |
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416 ), |
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417 Sequence( |
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418 Expr(), |
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419 addIndexedField() |
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420 ) |
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421 ); |
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422 } |
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423 |
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424 boolean addField() { |
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425 TableExpr.Field field = new TableExpr.Field( expr(pop(1)), expr(pop()) ); |
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426 @SuppressWarnings("unchecked") |
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427 List<TableExpr.Field> list = (List<TableExpr.Field>)peek(1); |
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428 list.add(field); |
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429 return true; |
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430 } |
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431 |
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432 boolean addIndexedField() { |
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433 Expr val = expr(pop()); |
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434 double i = (Double)pop(); |
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435 TableExpr.Field field = new TableExpr.Field( new ConstExpr(new LuaNumber(i)), val ); |
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436 push( i + 1 ); |
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437 @SuppressWarnings("unchecked") |
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438 List<TableExpr.Field> list = (List<TableExpr.Field>)peek(1); |
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439 list.add(field); |
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440 return true; |
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441 } |
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442 |
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443 static Expr expr(Object obj) { |
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444 if( obj instanceof Expressions ) |
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445 return new ExpressionsExpr((Expressions)obj); |
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446 return (Expr)obj; |
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447 } |
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448 |
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449 Rule VarExp() { |
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450 return Sequence( |
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451 Var(), |
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452 makeVarExp() |
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453 ); |
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454 } |
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455 |
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456 Rule Var() { |
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457 return Sequence( |
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458 FirstOf( |
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459 Sequence( |
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460 '(', incParens(), Spaces(), Expr(), ')', decParens(), Spaces(), |
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461 push(expr(pop())), |
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462 push(null) // marker |
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463 ), |
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464 Sequence( |
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465 push(null), // marker |
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466 Name() |
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467 ) |
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468 ), |
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469 ZeroOrMore( |
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470 makeVarExp(), |
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471 FirstOf( |
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472 SubExpr(), |
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473 Sequence( '.', Spaces(), NameExpr() ), |
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474 Sequence( |
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475 Args(), |
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476 push(null) // marker |
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477 ) |
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478 ) |
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479 ) |
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480 ); |
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481 } |
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482 |
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483 boolean makeVarExp() { |
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484 Object obj2 = pop(); |
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485 if( obj2==null ) |
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486 return true; |
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487 Object obj1 = pop(); |
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488 if( obj1==null ) { |
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489 String name = (String)obj2; |
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490 int index = index(name); |
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491 if( index == -1 ) { |
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492 return push( new GetExpr( EnvExpr.INSTANCE, new ConstExpr(name) ) ); |
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493 } else { |
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494 return push( new GetLocalVar(index) ); |
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495 } |
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496 } |
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497 return push( new GetExpr( expr(obj1), expr(obj2) ) ); |
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498 } |
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499 |
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500 // function should be on top of the stack |
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501 Rule Args() { |
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502 return Sequence( |
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503 FirstOf( |
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504 Sequence( |
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505 '(', incParens(), Spaces(), Expressions(), ')', decParens(), Spaces() |
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506 ), |
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507 Sequence( |
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508 TableExpr(), |
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509 push( new ExpList.SingleExpList(expr(pop())) ) |
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510 ), |
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511 Sequence( |
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512 StringLiteral(), Spaces(), |
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513 push( new ExpList.SingleExpList(new ConstExpr(pop())) ) |
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514 ) |
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515 ), |
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516 push( new FnCall( expr(pop(1)), (Expressions)pop() ) ) |
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517 ); |
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518 } |
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519 |
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520 Rule Expressions() { |
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521 return FirstOf( |
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522 ExpList(), |
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523 push( ExpList.emptyExpList ) |
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524 ); |
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525 } |
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526 |
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527 Rule ExpList() { |
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528 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder()); |
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529 return Sequence( |
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530 Expr(), |
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531 addToExpList(builder.get()), |
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532 ZeroOrMore( |
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533 ',', Spaces(), Expr(), |
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534 addToExpList(builder.get()) |
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535 ), |
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536 push( builder.get().build() ) |
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537 ); |
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538 } |
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539 |
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540 boolean addToExpList(ExpList.Builder bld) { |
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541 Object obj = pop(); |
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542 if( obj instanceof Expressions ) { |
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543 bld.add( (Expressions)obj ); |
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544 } else { |
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545 bld.add( (Expr)obj ); |
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546 } |
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547 return true; |
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548 } |
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549 |
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550 |
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551 Rule SubExpr() { |
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552 return Sequence( '[', incParens(), Spaces(), Expr(), ']', decParens(), Spaces() ); |
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553 } |
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554 |
17
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555 Rule NameExpr() { |
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556 return Sequence( |
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557 Name(), |
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558 push( new ConstExpr((String)pop()) ) |
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559 ); |
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560 } |
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561 |
9
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562 Rule Name() { |
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563 return Sequence( |
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564 Sequence( |
17
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565 NameFirstChar(), |
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566 ZeroOrMore( NameChar() ) |
9
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567 ), |
17
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568 !keywords.contains(match()), |
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569 push(match()), |
9
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570 Spaces() |
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571 ); |
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572 } |
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573 |
17
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574 Rule NameChar() { |
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575 return FirstOf( NameFirstChar(), Digit() ); |
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576 } |
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577 |
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578 Rule NameFirstChar() { |
9
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579 return FirstOf( |
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580 CharRange('a', 'z'), |
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581 CharRange('A', 'Z'), |
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582 '_' |
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583 ); |
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584 } |
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585 |
17
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586 Rule Keyword(String keyword) { |
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587 return Sequence( |
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588 keyword, |
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589 TestNot( NameChar() ), |
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590 Spaces() |
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591 ); |
12
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592 } |
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593 |
17
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594 static final Set<String> keywords = new HashSet<String>(Arrays.asList( |
12
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595 "and", |
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596 "break", |
9cea1aea5eef
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597 "do", |
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598 "else", |
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599 "elseif", |
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600 "end", |
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601 "false", |
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602 "for", |
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parents:
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603 "function", |
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604 "goto", |
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605 "if", |
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606 "in", |
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607 "local", |
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608 "nil", |
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609 "not", |
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610 "or", |
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611 "repeat", |
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612 "return", |
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613 "then", |
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614 "true", |
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615 "until", |
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616 "while" |
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617 )); |
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618 |
7
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|
619 Rule LiteralExpr() { |
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620 return Sequence( |
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621 Literal(), Spaces(), |
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622 push(new ConstExpr(pop())) |
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623 ); |
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624 } |
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625 |
7
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626 Rule Literal() { |
5
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627 return FirstOf( |
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628 NilLiteral(), |
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|
629 BooleanLiteral(), |
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630 NumberLiteral(), |
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|
631 StringLiteral() |
5
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632 ); |
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633 } |
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|
634 |
7
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|
635 Rule NilLiteral() { |
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636 return Sequence( "nil", push(null) ); |
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|
637 } |
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|
638 |
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|
639 Rule BooleanLiteral() { |
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|
640 return FirstOf( |
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|
641 Sequence( "true", push(true) ), |
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|
642 Sequence( "false", push(false) ) |
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643 ); |
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644 } |
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|
645 |
7
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|
646 Rule NumberLiteral() { |
5
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647 return Sequence( |
6
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648 Number(), |
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649 push(new LuaNumber((Double)pop())) |
5
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
650 ); |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
651 } |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
652 |
6
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more parsing
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parents:
5
diff
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|
653 Rule Number() { |
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more parsing
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654 return FirstOf( |
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more parsing
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parents:
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|
655 Sequence( |
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more parsing
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parents:
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|
656 IgnoreCase("0x"), |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
657 HexNumber() |
6
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parents:
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|
658 ), |
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more parsing
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659 Sequence( |
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more parsing
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parents:
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diff
changeset
|
660 DecNumber(), |
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661 push(Double.parseDouble(match())) |
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|
662 ) |
5
9ef0fd711101
start LuaParser
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parents:
diff
changeset
|
663 ); |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
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|
664 } |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
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|
665 |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff
changeset
|
666 Rule DecNumber() { |
5
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parents:
diff
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|
667 return FirstOf( |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
668 Sequence( |
9ef0fd711101
start LuaParser
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parents:
diff
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|
669 Int(), |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
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|
670 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
|
671 Exponent() |
5
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parents:
diff
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|
672 ), |
11
b7d7069fee58
add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
9
diff
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|
673 Sequence( '.', Int(), Exponent() ) |
5
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parents:
diff
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674 ); |
9ef0fd711101
start LuaParser
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parents:
diff
changeset
|
675 } |
9ef0fd711101
start LuaParser
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parents:
diff
changeset
|
676 |
11
b7d7069fee58
add assignment statement and CmdLine
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parents:
9
diff
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|
677 Rule Exponent() { |
5
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parents:
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|
678 return Optional( |
9ef0fd711101
start LuaParser
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parents:
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|
679 IgnoreCase('e'), |
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parents:
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|
680 Optional(AnyOf("+-")), |
9ef0fd711101
start LuaParser
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parents:
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|
681 Int() |
9ef0fd711101
start LuaParser
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parents:
diff
changeset
|
682 ); |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
683 } |
9ef0fd711101
start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
|
684 |
6
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parents:
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|
685 Rule Int() { |
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|
686 return OneOrMore(Digit()); |
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687 } |
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688 |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
689 Rule Digit() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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690 return CharRange('0', '9'); |
2a30281ef47c
finish number literals;
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parents:
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|
691 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
692 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
693 Rule HexNumber() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
694 return FirstOf( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
695 Sequence( |
2a30281ef47c
finish number literals;
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parents:
15
diff
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|
696 HexInt(), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
697 push( (double)Long.parseLong(match(),16) ), |
2a30281ef47c
finish number literals;
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parents:
15
diff
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|
698 Optional( '.', Optional(HexDec()) ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
699 HexExponent() |
2a30281ef47c
finish number literals;
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parents:
15
diff
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|
700 ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
701 Sequence( push(0.0), '.', HexDec(), HexExponent() ) |
2a30281ef47c
finish number literals;
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parents:
15
diff
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|
702 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
703 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
704 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
705 Rule HexDec() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
706 return Sequence( |
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finish number literals;
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parents:
15
diff
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|
707 HexInt(), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
708 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
|
709 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
710 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
711 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
712 Rule HexExponent() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
713 return Optional( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
714 IgnoreCase('p'), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
715 Sequence( |
2a30281ef47c
finish number literals;
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parents:
15
diff
changeset
|
716 Optional(AnyOf("+-")), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
717 HexInt() |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
718 ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
719 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
|
720 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
721 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
722 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
723 Rule HexInt() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
724 return OneOrMore(Digit()); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
725 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
726 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
727 |
6
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
728 Rule HexDigit() { |
a315783c9524
more parsing
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parents:
5
diff
changeset
|
729 return FirstOf( |
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more parsing
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parents:
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diff
changeset
|
730 Digit(), |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
731 AnyOf("abcdefABCDEF") |
a315783c9524
more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
732 ); |
a315783c9524
more parsing
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parents:
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diff
changeset
|
733 } |
a315783c9524
more parsing
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parents:
5
diff
changeset
|
734 |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
735 Rule StringLiteral() { |
6
a315783c9524
more parsing
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parents:
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diff
changeset
|
736 return FirstOf( |
a315783c9524
more parsing
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parents:
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diff
changeset
|
737 QuotedString('"'), |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
738 QuotedString('\''), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
739 LongString() |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
740 ); |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
741 } |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
742 |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
743 Rule LongString() { |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
744 return Sequence( |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
745 '[', |
16
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
746 ZeroOrMore('='), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
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|
747 nEquals(matchLength()), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
748 '[', |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
749 ZeroOrMore( |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
750 TestNot(LongBracketsEnd()), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
751 ANY |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
752 ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
753 push( match() ), |
2a30281ef47c
finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
15
diff
changeset
|
754 LongBracketsEnd() |
6
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more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
755 ); |
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more parsing
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parents:
5
diff
changeset
|
756 } |
5
9ef0fd711101
start LuaParser
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parents:
diff
changeset
|
757 |
6
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parents:
5
diff
changeset
|
758 Rule QuotedString(char quote) { |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
759 StringBuilderVar buf = new StringBuilderVar(); |
6
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|
760 return Sequence( |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
761 quote, |
6
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parents:
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diff
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|
762 ZeroOrMore( |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
5
diff
changeset
|
763 FirstOf( |
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more parsing
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parents:
5
diff
changeset
|
764 Sequence( |
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more parsing
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parents:
5
diff
changeset
|
765 NoneOf("\\\n"+quote), |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
766 buf.append(matchedChar()) |
6
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more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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|
767 ), |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
768 EscSeq(buf) |
6
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more parsing
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parents:
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diff
changeset
|
769 ) |
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more parsing
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parents:
5
diff
changeset
|
770 ), |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
771 quote, |
17
09d41f7490a8
add local variables
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parents:
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diff
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|
772 push( buf.getString() ) |
6
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more parsing
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parents:
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diff
changeset
|
773 ); |
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more parsing
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parents:
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diff
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|
774 } |
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more parsing
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parents:
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diff
changeset
|
775 |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
776 Rule EscSeq(StringBuilderVar buf) { |
6
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more parsing
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parents:
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diff
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|
777 return Sequence( |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
778 '\\', |
6
a315783c9524
more parsing
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parents:
5
diff
changeset
|
779 FirstOf( |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
780 Sequence( 'a', buf.append('\u0007') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
781 Sequence( 'b', buf.append('\b') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
782 Sequence( 'f', buf.append('\f') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
783 Sequence( 'n', buf.append('\n') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
784 Sequence( 'r', buf.append('\r') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
785 Sequence( 't', buf.append('\t') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
786 Sequence( 'v', buf.append('\u000b') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
787 Sequence( '\\', buf.append('\\') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
788 Sequence( '"', buf.append('"') ), |
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
789 Sequence( '\'', buf.append('\'') ), |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
790 Sequence( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
791 'x', |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
792 Sequence( HexDigit(), HexDigit() ), |
17
09d41f7490a8
add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
16
diff
changeset
|
793 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
changeset
|
794 ), |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
795 Sequence( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
796 Sequence( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
797 Digit(), |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
798 Optional( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
799 Digit(), |
bca8fc5d928b
work on expressions
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parents:
6
diff
changeset
|
800 Optional( |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
801 Digit() |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
802 ) |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
803 ) |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
6
diff
changeset
|
804 ), |
17
09d41f7490a8
add local variables
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parents:
16
diff
changeset
|
805 buf.append( (char)Integer.parseInt(match()) ) |
7
bca8fc5d928b
work on expressions
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diff
changeset
|
806 ) |
6
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more parsing
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parents:
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diff
changeset
|
807 ) |
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|
808 ); |
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parents:
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diff
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|
809 } |
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parents:
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diff
changeset
|
810 |
12
9cea1aea5eef
CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
11
diff
changeset
|
811 Rule Spaces() { |
14
2ddf85634d20
whitespace handling;
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parents:
12
diff
changeset
|
812 return ZeroOrMore( |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
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|
813 FirstOf( |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
12
diff
changeset
|
814 AnyOf(" \t"), |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
815 Comment(), |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
12
diff
changeset
|
816 Sequence( '\\', EndOfLine() ), |
16
2a30281ef47c
finish number literals;
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parents:
15
diff
changeset
|
817 Sequence( AnyOf("\r\n"), parens > 0 ) |
14
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
12
diff
changeset
|
818 ) |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
819 ); |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
12
diff
changeset
|
820 } |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
821 |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
822 Rule Comment() { |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
823 return Sequence( |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff
changeset
|
824 "--[", |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff
changeset
|
825 ZeroOrMore('='), |
16
2a30281ef47c
finish number literals;
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diff
changeset
|
826 nEquals(matchLength()), |
14
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
827 '[', |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
828 ZeroOrMore( |
16
2a30281ef47c
finish number literals;
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diff
changeset
|
829 TestNot(LongBracketsEnd()), |
14
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
830 ANY |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff
changeset
|
831 ), |
16
2a30281ef47c
finish number literals;
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parents:
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diff
changeset
|
832 LongBracketsEnd() |
14
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
12
diff
changeset
|
833 ); |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
834 } |
2ddf85634d20
whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff
changeset
|
835 |
16
2a30281ef47c
finish number literals;
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diff
changeset
|
836 Rule LongBracketsEnd() { |
2a30281ef47c
finish number literals;
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|
837 return Sequence( ']', ZeroOrMore('='), nEquals==matchLength(), ']' ); |
7
bca8fc5d928b
work on expressions
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diff
changeset
|
838 } |
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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diff
changeset
|
839 |
18
3971113699b8
add NumericForStmt
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parents:
17
diff
changeset
|
840 static boolean action(Object obj) { |
3971113699b8
add NumericForStmt
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changeset
|
841 return true; |
3971113699b8
add NumericForStmt
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842 } |
3971113699b8
add NumericForStmt
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17
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843 |
12
9cea1aea5eef
CmdLine can run files
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844 // for debugging |
14
2ddf85634d20
whitespace handling;
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845 boolean print(Object o) { |
2ddf85634d20
whitespace handling;
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846 System.out.println(o); |
12
9cea1aea5eef
CmdLine can run files
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847 return true; |
9cea1aea5eef
CmdLine can run files
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848 } |
9cea1aea5eef
CmdLine can run files
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changeset
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849 |
5
9ef0fd711101
start LuaParser
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changeset
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850 // for testing |
9ef0fd711101
start LuaParser
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851 public static void main(String[] args) throws Exception { |
9ef0fd711101
start LuaParser
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852 LuaParser parser = Parboiled.createParser(LuaParser.class); |
9ef0fd711101
start LuaParser
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changeset
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853 while( true ) { |
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a315783c9524
more parsing
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5
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854 String input = new Scanner(System.in).nextLine(); |
5
9ef0fd711101
start LuaParser
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855 ParsingResult<?> result = new ReportingParseRunner(parser.Target()).run(input); |
9ef0fd711101
start LuaParser
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856 if( result.hasErrors() ) { |
9ef0fd711101
start LuaParser
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857 System.out.println("Parse Errors:\n" + ErrorUtils.printParseErrors(result)); |
9ef0fd711101
start LuaParser
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858 } else { |
11
b7d7069fee58
add assignment statement and CmdLine
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859 Expr expr = expr(result.resultValue); |
5
9ef0fd711101
start LuaParser
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860 LuaState lua = new LuaState(); |
9ef0fd711101
start LuaParser
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861 Object val = expr.eval(lua); |
9ef0fd711101
start LuaParser
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862 System.out.println("Result: "+Lua.toString(val)); |
9ef0fd711101
start LuaParser
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863 } |
9ef0fd711101
start LuaParser
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diff
changeset
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864 } |
9ef0fd711101
start LuaParser
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changeset
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865 } |
9ef0fd711101
start LuaParser
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866 } |