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annotate src/luan/interp/LuaParser.java @ 42:786699c78837

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implement try-catch git-svn-id: https://luan-java.googlecode.com/svn/trunk@43 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Sun, 23 Dec 2012 06:36:56 +0000
parents e3624b7cd603
children 57054fa43189
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1 package luan.interp;
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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 luan.Lua;
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20 import luan.LuaNumber;
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21 import luan.LuaState;
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22 import luan.LuaSource;
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25 class LuaParser extends BaseParser<Object> {
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27 LuaSource source;
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29 LuaSource.Element se(int start) {
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30 return new LuaSource.Element(source,start,currentIndex());
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31 }
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33 static final String _ENV = "_ENV";
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34
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35 static final class Frame {
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36 final Frame parent;
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37 final List<String> symbols = new ArrayList<String>();
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38 int stackSize = 0;
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39 int loops = 0;
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40 boolean isVarArg = false;
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41 final List<String> upValueSymbols = new ArrayList<String>();
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42 final List<UpValue.Getter> upValueGetters = new ArrayList<UpValue.Getter>();
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43
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44 Frame() {
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45 this.parent = null;
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46 upValueSymbols.add(_ENV);
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47 upValueGetters.add(UpValue.globalGetter);
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48 }
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49
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50 Frame(Frame parent) {
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51 this.parent = parent;
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52 }
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54 int stackIndex(String name) {
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55 int i = symbols.size();
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56 while( --i >= 0 ) {
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57 if( symbols.get(i).equals(name) )
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58 return i;
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59 }
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60 return -1;
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61 }
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62
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63 int upValueIndex(String name) {
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64 int i = upValueSymbols.size();
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65 while( --i >= 0 ) {
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66 if( upValueSymbols.get(i).equals(name) )
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67 return i;
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68 }
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69 if( parent==null )
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70 return -1;
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71 i = parent.stackIndex(name);
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72 if( i != -1 ) {
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73 upValueGetters.add(new UpValue.StackGetter(i));
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74 } else {
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75 i = parent.upValueIndex(name);
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76 if( i == -1 )
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77 return -1;
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78 upValueGetters.add(new UpValue.NestedGetter(i));
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79 }
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80 upValueSymbols.add(name);
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81 return upValueSymbols.size() - 1;
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82 }
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83 }
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84
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85 static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0];
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86
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87 int nEquals;
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88 int parens = 0;
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89 Frame frame = new Frame();
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90
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91 boolean nEquals(int n) {
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92 nEquals = n;
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93 return true;
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94 }
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95
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96 boolean incParens() {
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97 parens++;
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98 return true;
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99 }
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100
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101 boolean decParens() {
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102 parens--;
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103 return true;
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104 }
5
9ef0fd711101 start LuaParser
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105
21
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106 List<String> symbols() {
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107 return frame.symbols;
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108 }
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109
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110 int symbolsSize() {
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111 return frame.symbols.size();
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112 }
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113
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114 boolean addSymbol(String name) {
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115 frame.symbols.add(name);
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116 if( frame.stackSize < symbolsSize() )
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117 frame.stackSize = symbolsSize();
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118 return true;
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119 }
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120
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121 boolean addSymbols(List<String> names) {
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122 frame.symbols.addAll(names);
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123 if( frame.stackSize < symbolsSize() )
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124 frame.stackSize = symbolsSize();
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125 return true;
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126 }
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127
32
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128 int stackIndex(String name) {
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129 return frame.stackIndex(name);
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130 }
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131
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132 boolean popSymbols(int n) {
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133 List<String> symbols = frame.symbols;
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134 while( n-- > 0 ) {
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135 symbols.remove(symbols.size()-1);
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136 }
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137 return true;
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138 }
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139
32
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140 int upValueIndex(String name) {
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141 return frame.upValueIndex(name);
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142 }
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143
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144 boolean incLoops() {
21
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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 boolean decLoops() {
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150 frame.loops--;
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151 return true;
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152 }
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153
40
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154 Chunk newChunk(int start) {
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155 return new Chunk( se(start), (Stmt)pop(), frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) );
32
c3eab5a3ce3c implement closures
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156 }
20
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diff changeset
157
30
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diff changeset
158 Rule Target() {
40
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159 Var<Integer> start = new Var<Integer>();
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160 return Sequence(
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161 Spaces(),
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162 FirstOf(
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163 Sequence( ExpList(), EOI ),
21
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164 Sequence(
40
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165 start.set(currentIndex()),
26
409871b33355 CmdLine varArgs
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166 action( frame.isVarArg = true ),
21
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167 Block(),
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168 EOI,
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169 push( newChunk(start.get()) )
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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
17
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diff changeset
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());
17
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178 return Sequence(
19
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179 Optional( Stmt(stmts) ),
17
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180 ZeroOrMore(
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181 StmtSep(),
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182 Optional( Stmt(stmts) )
17
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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
19
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diff changeset
188 Stmt newBlock(List<Stmt> stmts,int stackStart) {
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189 int stackEnd = symbolsSize();
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diff changeset
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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diff changeset
198 Rule StmtSep() {
14
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199 return Sequence(
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diff changeset
200 FirstOf(
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diff changeset
201 ';',
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diff changeset
202 Sequence(
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diff changeset
203 Optional( "--", ZeroOrMore(NoneOf("\r\n")) ),
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diff changeset
204 EndOfLine()
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diff changeset
205 )
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diff changeset
206 ),
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diff changeset
207 Spaces()
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208 );
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209 }
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210
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211 Rule EndOfLine() {
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212 return FirstOf("\r\n", '\r', '\n');
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213 }
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214
19
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215 Rule Stmt(Var<List<Stmt>> stmts) {
17
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216 return FirstOf(
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217 LocalStmt(stmts),
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218 Sequence(
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219 FirstOf(
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220 ReturnStmt(),
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221 FunctionStmt(),
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222 LocalFunctionStmt(),
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223 BreakStmt(),
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224 GenericForStmt(),
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225 NumericForStmt(),
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226 TryStmt(),
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227 DoStmt(),
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228 WhileStmt(),
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229 RepeatStmt(),
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230 IfStmt(),
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231 SetStmt(),
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232 ExpressionsStmt()
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233 ),
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234 stmts.get().add( (Stmt)pop() )
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235 )
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236 );
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237 }
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238
21
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239 Rule ReturnStmt() {
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240 Var<Integer> start = new Var<Integer>();
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241 return Sequence(
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242 start.set(currentIndex()),
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243 Keyword("return"), Expressions(),
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244 push( new ReturnStmt( se(start.get()), (Expressions)pop() ) )
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245 );
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246 }
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247
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248 Rule FunctionStmt() {
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249 return Sequence(
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250 Keyword("function"), FnName(), Function(),
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251 push( new SetStmt( (Settable)pop(1), expr(pop()) ) )
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252 );
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253 }
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254
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255 Rule FnName() {
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256 Var<Integer> start = new Var<Integer>();
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257 return Sequence(
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258 start.set(currentIndex()),
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259 push(null), // marker
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260 Name(),
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261 ZeroOrMore(
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262 '.', Spaces(),
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263 makeVarExp(start.get()),
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264 NameExpr()
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265 ),
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266 makeSettableVar(start.get())
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267 );
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268 }
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269
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270 Rule LocalFunctionStmt() {
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271 return Sequence(
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272 Keyword("local"), Keyword("function"),
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273 Name(),
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274 addSymbol( (String)pop() ),
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275 Function(),
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276 push( new SetStmt( new SetLocalVar(symbolsSize()-1), expr(pop()) ) )
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277 );
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278 }
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279
20
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280 Rule BreakStmt() {
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281 return Sequence(
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282 Keyword("break"),
21
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283 frame.loops > 0,
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284 push( new BreakStmt() )
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285 );
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286 }
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287
19
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288 Rule GenericForStmt() {
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289 Var<Integer> start = new Var<Integer>();
21
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290 Var<Integer> stackStart = new Var<Integer>(symbolsSize());
28
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291 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>());
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292 return Sequence(
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293 start.set(currentIndex()),
28
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294 Keyword("for"), NameList(names), Keyword("in"), Expr(), Keyword("do"),
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295 addSymbols(names.get()),
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296 LoopBlock(), Keyword("end"),
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297 push( new GenericForStmt( se(start.get()), stackStart.get(), symbolsSize() - stackStart.get(), expr(pop(1)), (Stmt)pop() ) ),
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298 popSymbols( symbolsSize() - stackStart.get() )
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299 );
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300 }
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301
18
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302 Rule NumericForStmt() {
40
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303 Var<Integer> start = new Var<Integer>();
18
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304 return Sequence(
40
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305 start.set(currentIndex()),
33
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306 Keyword("for"), Name(), '=', Spaces(), Expr(), Keyword("to"), Expr(),
18
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307 push( new ConstExpr(new LuaNumber(1)) ), // default step
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308 Optional(
33
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309 Keyword("step"),
18
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310 drop(),
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311 Expr()
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312 ),
21
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313 addSymbol( (String)pop(3) ), // add "for" var to symbols
20
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314 Keyword("do"), LoopBlock(), Keyword("end"),
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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315 push( new NumericForStmt( se(start.get()), symbolsSize()-1, expr(pop(3)), expr(pop(2)), expr(pop(1)), (Stmt)pop() ) ),
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316 popSymbols(1)
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317 );
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318 }
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319
42
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320 Rule TryStmt() {
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parents: 40
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321 return Sequence(
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322 Keyword("try"), Block(),
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323 Keyword("catch"), Name(), addSymbol( (String)pop() ),
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parents: 40
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324 Keyword("do"), Block(), Keyword("end"),
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325 push( new TryStmt( (Stmt)pop(1), symbolsSize()-1, (Stmt)pop() ) ),
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326 popSymbols(1)
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327 );
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328 }
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329
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330 Rule DoStmt() {
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331 return Sequence(
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332 Keyword("do"), Block(), Keyword("end")
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333 );
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334 }
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335
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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336 Rule LocalStmt(Var<List<Stmt>> stmts) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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337 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>());
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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338 return Sequence(
28
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339 Keyword("local"), NameList(names),
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340 Optional(
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341 '=', Spaces(), ExpList(),
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342 stmts.get().add( newSetLocalStmt(names.get().size()) )
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parents: 26
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343 ),
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344 addSymbols(names.get())
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345 );
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346 }
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347
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diff changeset
348 Rule NameList(Var<List<String>> names) {
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349 return Sequence(
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350 Name(),
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351 names.get().add( (String)pop() ),
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352 ZeroOrMore(
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diff changeset
353 ',', Spaces(), Name(),
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354 names.get().add( (String)pop() )
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diff changeset
355 )
12
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diff changeset
356 );
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357 }
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diff changeset
358
28
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diff changeset
359 SetStmt newSetLocalStmt(int nVars) {
17
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diff changeset
360 Expressions values = (Expressions)pop();
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361 SetLocalVar[] vars = new SetLocalVar[nVars];
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diff changeset
362 int stackStart = symbolsSize();
17
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diff changeset
363 for( int i=0; i<vars.length; i++ ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
364 vars[i] = new SetLocalVar(stackStart+i);
17
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365 }
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366 return new SetStmt( vars, values );
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367 }
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diff changeset
368
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369 Rule WhileStmt() {
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370 return Sequence(
20
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diff changeset
371 Keyword("while"), Expr(), Keyword("do"), LoopBlock(), Keyword("end"),
14
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diff changeset
372 push( new WhileStmt( expr(pop(1)), (Stmt)pop() ) )
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373 );
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374 }
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375
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diff changeset
376 Rule RepeatStmt() {
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377 return Sequence(
20
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378 Keyword("repeat"), LoopBlock(), Keyword("until"), Expr(),
14
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379 push( new RepeatStmt( (Stmt)pop(1), expr(pop()) ) )
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diff changeset
380 );
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381 }
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diff changeset
382
20
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diff changeset
383 Rule LoopBlock() {
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diff changeset
384 return Sequence( incLoops(), Block(), decLoops() );
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385 }
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diff changeset
386
14
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diff changeset
387 Rule IfStmt() {
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388 Var<Integer> n = new Var<Integer>(1);
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389 return Sequence(
17
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diff changeset
390 Keyword("if"), Expr(), Keyword("then"), Block(),
14
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diff changeset
391 push(Stmt.EMPTY),
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diff changeset
392 ZeroOrMore(
17
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diff changeset
393 Keyword("elseif"), drop(), Expr(), Keyword("then"), Block(),
14
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diff changeset
394 push(Stmt.EMPTY),
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diff changeset
395 n.set(n.get()+1)
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diff changeset
396 ),
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diff changeset
397 Optional(
17
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diff changeset
398 Keyword("else"), drop(), Block()
14
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diff changeset
399 ),
17
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diff changeset
400 Keyword("end"),
14
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diff changeset
401 buildIfStmt(n.get())
12
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diff changeset
402 );
11
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diff changeset
403 }
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parents: 9
diff changeset
404
14
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diff changeset
405 boolean buildIfStmt(int n) {
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parents: 12
diff changeset
406 while( n-- > 0 ) {
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diff changeset
407 Stmt elseStmt = (Stmt)pop();
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diff changeset
408 Stmt thenStmt = (Stmt)pop();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
409 Expr cnd = expr(pop());
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
410 push( new IfStmt(cnd,thenStmt,elseStmt) );
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diff changeset
411 }
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diff changeset
412 return true;
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diff changeset
413 }
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parents: 12
diff changeset
414
11
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diff changeset
415 Rule SetStmt() {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
416 return Sequence(
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
417 VarList(),
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
418 '=', Spaces(),
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
419 ExpList(),
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
420 push( newSetStmt() )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
421 );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
422 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
423
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
424 Rule ExpressionsStmt() {
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
425 return Sequence(
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
426 ExpList(),
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
427 push( new ExpressionsStmt((Expressions)pop()) )
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
428 );
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
429 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
430
11
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
431 SetStmt newSetStmt() {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
432 Expressions values = (Expressions)pop();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
433 @SuppressWarnings("unchecked")
17
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
434 List<Settable> vars = (List<Settable>)pop();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
435 return new SetStmt( vars.toArray(new Settable[0]), values );
11
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
436 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
437
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
438 Rule VarList() {
21
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
439 Var<List<Settable>> vars = new Var<List<Settable>>(new ArrayList<Settable>());
11
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
440 return Sequence(
21
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
441 SettableVar(),
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
442 vars.get().add( (Settable)pop() ),
11
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
443 ZeroOrMore(
21
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
444 ',', Spaces(), SettableVar(),
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
445 vars.get().add( (Settable)pop() )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
446 ),
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
447 push(vars.get())
11
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
448 );
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
449 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
450
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
451 Rule SettableVar() {
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
452 Var<Integer> start = new Var<Integer>();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
453 return Sequence(
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
454 start.set(currentIndex()),
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
455 Var(),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
456 makeSettableVar(start.get())
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
457 );
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
458 }
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
459
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
460 boolean makeSettableVar(int start) {
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
461 Object obj2 = pop();
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
462 if( obj2==null )
11
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
463 return false;
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
464 Object obj1 = pop();
32
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
465 if( obj1!=null ) {
17
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
466 Expr key = expr(obj2);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
467 Expr table = expr(obj1);
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
468 return push( new SetTableEntry(se(start),table,key) );
17
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
469 }
32
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
470 String name = (String)obj2;
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
471 int index = stackIndex(name);
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
472 if( index != -1 )
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
473 return push( new SetLocalVar(index) );
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
474 index = upValueIndex(name);
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
475 if( index != -1 )
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
476 return push( new SetUpVar(index) );
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
477 return push( new SetTableEntry( se(start), env(), new ConstExpr(name) ) );
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
478 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
479
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
480 Rule Expr() {
24
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
481 return FirstOf(
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
482 VarArgs(),
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
483 OrExpr()
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
484 );
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
485 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
486
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
487 Rule OrExpr() {
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
488 Var<Integer> start = new Var<Integer>();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
489 return Sequence(
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
490 start.set(currentIndex()),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
491 AndExpr(),
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
492 ZeroOrMore( "or", Spaces(), AndExpr(), push( new OrExpr(se(start.get()),expr(pop(1)),expr(pop())) ) )
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
493 );
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
494 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
495
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
496 Rule AndExpr() {
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
497 Var<Integer> start = new Var<Integer>();
7
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
498 return Sequence(
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
499 start.set(currentIndex()),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
500 RelExpr(),
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
501 ZeroOrMore( "and", Spaces(), RelExpr(), push( new AndExpr(se(start.get()),expr(pop(1)),expr(pop())) ) )
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
502 );
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
503 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
504
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
505 Rule RelExpr() {
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
506 Var<Integer> start = new Var<Integer>();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
507 return Sequence(
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
508 start.set(currentIndex()),
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
509 ConcatExpr(),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
510 ZeroOrMore(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
511 FirstOf(
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
512 Sequence( "==", Spaces(), ConcatExpr(), push( new EqExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
513 Sequence( "~=", Spaces(), ConcatExpr(), push( new NotExpr(se(start.get()),new EqExpr(se(start.get()),expr(pop(1)),expr(pop()))) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
514 Sequence( "<=", Spaces(), ConcatExpr(), push( new LeExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
515 Sequence( ">=", Spaces(), ConcatExpr(), push( new LeExpr(se(start.get()),expr(pop()),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
516 Sequence( "<", Spaces(), ConcatExpr(), push( new LtExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
517 Sequence( ">", Spaces(), ConcatExpr(), push( new LtExpr(se(start.get()),expr(pop()),expr(pop())) ) )
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
518 )
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
519 )
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
520 );
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
521 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
522
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
523 Rule ConcatExpr() {
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
524 Var<Integer> start = new Var<Integer>();
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
525 return Sequence(
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
526 start.set(currentIndex()),
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
527 SumExpr(),
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
528 Optional( "..", Spaces(), ConcatExpr(), push( new ConcatExpr(se(start.get()),expr(pop(1)),expr(pop())) ) )
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
529 );
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
530 }
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
531
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
532 Rule SumExpr() {
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
533 Var<Integer> start = new Var<Integer>();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
534 return Sequence(
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
535 start.set(currentIndex()),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
536 TermExpr(),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
537 ZeroOrMore(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
538 FirstOf(
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
539 Sequence( '+', Spaces(), TermExpr(), push( new AddExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
540 Sequence( '-', TestNot('-'), Spaces(), TermExpr(), push( new SubExpr(se(start.get()),expr(pop(1)),expr(pop())) ) )
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
541 )
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
542 )
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
543 );
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
544 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
545
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
546 Rule TermExpr() {
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
547 Var<Integer> start = new Var<Integer>();
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
548 return Sequence(
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
549 start.set(currentIndex()),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
550 UnaryExpr(),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
551 ZeroOrMore(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
552 FirstOf(
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
553 Sequence( '*', Spaces(), UnaryExpr(), push( new MulExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
554 Sequence( '/', Spaces(), UnaryExpr(), push( new DivExpr(se(start.get()),expr(pop(1)),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
555 Sequence( '%', Spaces(), UnaryExpr(), push( new ModExpr(se(start.get()),expr(pop(1)),expr(pop())) ) )
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
556 )
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
557 )
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
558 );
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
559 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
560
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
561 Rule UnaryExpr() {
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
562 Var<Integer> start = new Var<Integer>();
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
563 return Sequence(
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
564 start.set(currentIndex()),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
565 FirstOf(
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
566 Sequence( '#', Spaces(), PowExpr(), push( new LenExpr(se(start.get()),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
567 Sequence( '-', TestNot('-'), Spaces(), PowExpr(), push( new UnmExpr(se(start.get()),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
568 Sequence( "not", Spaces(), PowExpr(), push( new NotExpr(se(start.get()),expr(pop())) ) ),
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
569 PowExpr()
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
570 )
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
571 );
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
572 }
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
573
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
574 Rule PowExpr() {
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
575 Var<Integer> start = new Var<Integer>();
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
576 return Sequence(
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
577 start.set(currentIndex()),
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
578 SingleExpr(),
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
579 Optional( '^', Spaces(), PowExpr(), push( new PowExpr(se(start.get()),expr(pop(1)),expr(pop())) ) )
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
580 );
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
581 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
582
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
583 Rule SingleExpr() {
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
584 return FirstOf(
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
585 FunctionExpr(),
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
586 TableExpr(),
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
587 VarExp(),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
588 LiteralExpr()
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
589 );
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
590 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
591
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
592 Rule FunctionExpr() {
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
593 return Sequence( "function", Spaces(), Function() );
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
594 }
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
595
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
596 Rule Function() {
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
597 Var<Integer> start = new Var<Integer>();
28
df923e5835b2 fix local initial assignment
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 26
diff changeset
598 Var<List<String>> names = new Var<List<String>>(new ArrayList<String>());
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
599 return Sequence(
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
600 start.set(currentIndex()),
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
601 '(', incParens(), Spaces(),
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
602 action( frame = new Frame(frame) ),
24
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
603 Optional(
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
604 FirstOf(
28
df923e5835b2 fix local initial assignment
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 26
diff changeset
605 Sequence(
df923e5835b2 fix local initial assignment
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 26
diff changeset
606 NameList(names), addSymbols(names.get()),
df923e5835b2 fix local initial assignment
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 26
diff changeset
607 Optional( ',', Spaces(), VarArgName() )
df923e5835b2 fix local initial assignment
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 26
diff changeset
608 ),
24
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
609 VarArgName()
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
610 )
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
611 ),
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
612 ')', decParens(), Spaces(), Block(), Keyword("end"),
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
613 push( newChunk(start.get()) ),
21
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
614 action( frame = frame.parent )
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
615 );
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
616 }
c93d8c781853 add functions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 20
diff changeset
617
24
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
618 Rule VarArgName() {
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
619 return Sequence(
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
620 "...", Spaces(),
7ee247560db5 add VarArgs
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
621 action( frame.isVarArg = true )
7ee247560db5 add VarArgs
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parents: 21
diff changeset
622 );
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parents: 21
diff changeset
623 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
624
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
625 Rule VarArgs() {
40
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parents: 35
diff changeset
626 Var<Integer> start = new Var<Integer>();
24
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parents: 21
diff changeset
627 return Sequence(
40
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parents: 35
diff changeset
628 start.set(currentIndex()),
24
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parents: 21
diff changeset
629 "...", Spaces(),
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parents: 21
diff changeset
630 frame.isVarArg,
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
631 push( new VarArgs(se(start.get())) )
24
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parents: 21
diff changeset
632 );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 21
diff changeset
633 }
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parents: 21
diff changeset
634
9
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parents: 8
diff changeset
635 Rule TableExpr() {
40
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parents: 35
diff changeset
636 Var<Integer> start = new Var<Integer>();
25
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parents: 24
diff changeset
637 Var<List<TableExpr.Field>> fields = new Var<List<TableExpr.Field>>(new ArrayList<TableExpr.Field>());
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 24
diff changeset
638 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder());
9
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parents: 8
diff changeset
639 return Sequence(
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
640 start.set(currentIndex()),
16
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
641 '{', incParens(), Spaces(),
9
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parents: 8
diff changeset
642 Optional(
25
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parents: 24
diff changeset
643 Field(fields,builder),
9
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parents: 8
diff changeset
644 ZeroOrMore(
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
645 FieldSep(),
25
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parents: 24
diff changeset
646 Field(fields,builder)
9
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parents: 8
diff changeset
647 ),
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parents: 8
diff changeset
648 Optional( FieldSep() )
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parents: 8
diff changeset
649 ),
16
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
650 '}', decParens(),
25
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parents: 24
diff changeset
651 Spaces(),
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
652 push( new TableExpr( se(start.get()), fields.get().toArray(new TableExpr.Field[0]), builder.get().build() ) )
9
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parents: 8
diff changeset
653 );
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parents: 8
diff changeset
654 }
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parents: 8
diff changeset
655
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parents: 8
diff changeset
656 Rule FieldSep() {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
657 return Sequence( AnyOf(",;"), Spaces() );
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parents: 8
diff changeset
658 }
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parents: 8
diff changeset
659
25
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 24
diff changeset
660 Rule Field(Var<List<TableExpr.Field>> fields,Var<ExpList.Builder> builder) {
9
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parents: 8
diff changeset
661 return FirstOf(
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
662 Sequence(
17
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
663 FirstOf( SubExpr(), NameExpr() ),
9
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
664 '=', Spaces(), Expr(),
25
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diff changeset
665 fields.get().add( new TableExpr.Field( expr(pop(1)), expr(pop()) ) )
9
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parents: 8
diff changeset
666 ),
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parents: 8
diff changeset
667 Sequence(
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parents: 8
diff changeset
668 Expr(),
25
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parents: 24
diff changeset
669 addToExpList(builder.get())
9
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parents: 8
diff changeset
670 )
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parents: 8
diff changeset
671 );
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parents: 8
diff changeset
672 }
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parents: 8
diff changeset
673
11
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parents: 9
diff changeset
674 static Expr expr(Object obj) {
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parents: 9
diff changeset
675 if( obj instanceof Expressions )
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parents: 9
diff changeset
676 return new ExpressionsExpr((Expressions)obj);
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diff changeset
677 return (Expr)obj;
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parents: 9
diff changeset
678 }
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parents: 9
diff changeset
679
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
680 Rule VarExp() {
40
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parents: 35
diff changeset
681 Var<Integer> start = new Var<Integer>();
11
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parents: 9
diff changeset
682 return Sequence(
40
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parents: 35
diff changeset
683 start.set(currentIndex()),
11
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parents: 9
diff changeset
684 Var(),
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
685 makeVarExp(start.get())
11
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parents: 9
diff changeset
686 );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
687 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
688
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parents: 9
diff changeset
689 Rule Var() {
40
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parents: 35
diff changeset
690 Var<Integer> start = new Var<Integer>();
9
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parents: 8
diff changeset
691 return Sequence(
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
692 start.set(currentIndex()),
9
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parents: 8
diff changeset
693 FirstOf(
11
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parents: 9
diff changeset
694 Sequence(
16
2a30281ef47c finish number literals;
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parents: 15
diff changeset
695 '(', incParens(), Spaces(), Expr(), ')', decParens(), Spaces(),
11
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parents: 9
diff changeset
696 push(expr(pop())),
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
697 push(null) // marker
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parents: 9
diff changeset
698 ),
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
699 Sequence(
17
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parents: 16
diff changeset
700 push(null), // marker
11
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parents: 9
diff changeset
701 Name()
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parents: 9
diff changeset
702 )
9
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parents: 8
diff changeset
703 ),
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
704 ZeroOrMore(
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
705 makeVarExp(start.get()),
9
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
706 FirstOf(
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
707 SubExpr(),
17
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
708 Sequence( '.', Spaces(), NameExpr() ),
11
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
709 Sequence(
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
710 Args(start),
11
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parents: 9
diff changeset
711 push(null) // marker
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
712 )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
713 )
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
714 )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
715 );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
716 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
717
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
718 Expr env() {
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
719 int index = stackIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
720 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
721 return new GetLocalVar(null,index);
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
722 index = upValueIndex(_ENV);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
723 if( index != -1 )
40
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
724 return new GetUpVar(null,index);
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
725 throw new RuntimeException("_ENV not found");
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
726 }
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
727
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
728 boolean makeVarExp(int start) {
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
729 Object obj2 = pop();
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
730 if( obj2==null )
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
731 return true;
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
732 Object obj1 = pop();
32
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
733 if( obj1 != null )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
734 return push( new IndexExpr( se(start), expr(obj1), expr(obj2) ) );
32
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
735 String name = (String)obj2;
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
736 int index = stackIndex(name);
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
737 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
738 return push( new GetLocalVar(se(start),index) );
32
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
739 index = upValueIndex(name);
c3eab5a3ce3c implement closures
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 31
diff changeset
740 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
741 return push( new GetUpVar(se(start),index) );
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
742 return push( new IndexExpr( se(start), env(), new ConstExpr(name) ) );
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
743 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
744
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
745 // function should be on top of the stack
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
746 Rule Args(Var<Integer> start) {
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
747 return Sequence(
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
748 FirstOf(
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
749 Sequence(
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
750 '(', incParens(), Spaces(), Expressions(), ')', decParens(), Spaces()
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
751 ),
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
752 Sequence(
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
753 TableExpr(),
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
754 push( new ExpList.SingleExpList(expr(pop())) )
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
755 ),
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
756 Sequence(
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
757 StringLiteral(), Spaces(),
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
758 push( new ExpList.SingleExpList(new ConstExpr(pop())) )
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
759 )
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
760 ),
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
761 push( new FnCall( se(start.get()), expr(pop(1)), (Expressions)pop() ) )
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
762 );
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
763 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
764
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
765 Rule Expressions() {
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
766 return FirstOf(
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
767 ExpList(),
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
768 push( ExpList.emptyExpList )
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
769 );
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
770 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
771
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
772 Rule ExpList() {
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
773 Var<ExpList.Builder> builder = new Var<ExpList.Builder>(new ExpList.Builder());
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
774 return Sequence(
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
775 Expr(),
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
776 addToExpList(builder.get()),
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
777 ZeroOrMore(
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
778 ',', Spaces(), Expr(),
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
779 addToExpList(builder.get())
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
780 ),
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
781 push( builder.get().build() )
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
782 );
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
783 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
784
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
785 boolean addToExpList(ExpList.Builder bld) {
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
786 Object obj = pop();
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
787 if( obj instanceof Expressions ) {
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
788 bld.add( (Expressions)obj );
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
789 } else {
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
790 bld.add( (Expr)obj );
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
791 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
792 return true;
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
793 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
794
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
795 Rule SubExpr() {
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
796 return Sequence( '[', incParens(), Spaces(), Expr(), ']', decParens(), Spaces() );
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
797 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
798
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
799 Rule NameExpr() {
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
800 return Sequence(
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
801 Name(),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
802 push( new ConstExpr((String)pop()) )
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
803 );
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
804 }
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
805
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
806 Rule Name() {
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
807 return Sequence(
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
808 Sequence(
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
809 NameFirstChar(),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
810 ZeroOrMore( NameChar() )
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
811 ),
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
812 !keywords.contains(match()),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
813 push(match()),
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
814 Spaces()
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
815 );
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
816 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
817
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
818 Rule NameChar() {
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
819 return FirstOf( NameFirstChar(), Digit() );
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
820 }
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
821
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
822 Rule NameFirstChar() {
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
823 return FirstOf(
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
824 CharRange('a', 'z'),
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
825 CharRange('A', 'Z'),
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
826 '_'
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
827 );
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
828 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
829
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
830 Rule Keyword(String keyword) {
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
831 return Sequence(
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
832 keyword,
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
833 TestNot( NameChar() ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
834 Spaces()
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
835 );
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
836 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
837
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
838 static final Set<String> keywords = new HashSet<String>(Arrays.asList(
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
839 "and",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
840 "break",
42
786699c78837 implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
841 "catch",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
842 "do",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
843 "else",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
844 "elseif",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
845 "end",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
846 "false",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
847 "for",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
848 "function",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
849 "goto",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
850 "if",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
851 "in",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
852 "local",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
853 "nil",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
854 "not",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
855 "or",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
856 "repeat",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
857 "return",
33
8793c71ad47a change numeric for syntax
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 32
diff changeset
858 "step",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
859 "then",
33
8793c71ad47a change numeric for syntax
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 32
diff changeset
860 "to",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
861 "true",
42
786699c78837 implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
862 "try",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
863 "until",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
864 "while"
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
865 ));
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
866
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
867 Rule LiteralExpr() {
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
868 return Sequence(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
869 Literal(), Spaces(),
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
870 push(new ConstExpr(pop()))
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
871 );
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
872 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
873
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
874 Rule Literal() {
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
875 return FirstOf(
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
876 NilLiteral(),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
877 BooleanLiteral(),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
878 NumberLiteral(),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
879 StringLiteral()
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
880 );
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
881 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
882
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
883 Rule NilLiteral() {
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
884 return Sequence( "nil", push(null) );
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
885 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
886
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
887 Rule BooleanLiteral() {
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
888 return FirstOf(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
889 Sequence( "true", push(true) ),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
890 Sequence( "false", push(false) )
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
891 );
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
892 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
893
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
894 Rule NumberLiteral() {
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
895 return Sequence(
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
896 Number(),
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
897 push(new LuaNumber((Double)pop()))
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
898 );
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
899 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
900
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
901 Rule Number() {
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
902 return FirstOf(
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
903 Sequence(
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
904 IgnoreCase("0x"),
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
905 HexNumber()
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
906 ),
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
907 Sequence(
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
908 DecNumber(),
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
909 push(Double.parseDouble(match()))
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
910 )
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
911 );
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
912 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
913
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
914 Rule DecNumber() {
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
915 return FirstOf(
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
916 Sequence(
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
917 Int(),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
918 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
919 Exponent()
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
920 ),
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
921 Sequence( '.', Int(), Exponent() )
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
922 );
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
923 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
924
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
925 Rule Exponent() {
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
926 return Optional(
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
927 IgnoreCase('e'),
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
928 Optional(AnyOf("+-")),
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
929 Int()
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
930 );
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
931 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
932
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
933 Rule Int() {
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
934 return OneOrMore(Digit());
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
935 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
936
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
937 Rule Digit() {
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
938 return CharRange('0', '9');
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
939 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
940
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
941 Rule HexNumber() {
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
942 return FirstOf(
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
943 Sequence(
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
944 HexInt(),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
945 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
946 Optional( '.', Optional(HexDec()) ),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
947 HexExponent()
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
948 ),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
949 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
950 );
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
951 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
952
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
953 Rule HexDec() {
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
954 return Sequence(
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
955 HexInt(),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
956 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
957 );
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
958 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
959
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
960 Rule HexExponent() {
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
961 return Optional(
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
962 IgnoreCase('p'),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
963 Sequence(
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
964 Optional(AnyOf("+-")),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
965 HexInt()
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
966 ),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
967 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
968 );
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
969 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
970
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
971 Rule HexInt() {
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
972 return OneOrMore(Digit());
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
973 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
974
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
975
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
976 Rule HexDigit() {
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
977 return FirstOf(
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
978 Digit(),
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
979 AnyOf("abcdefABCDEF")
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
980 );
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
981 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
982
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
983 Rule StringLiteral() {
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
984 return FirstOf(
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
985 QuotedString('"'),
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
986 QuotedString('\''),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
987 LongString()
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
988 );
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
989 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
990
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
991 Rule LongString() {
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
992 return Sequence(
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
993 '[',
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
994 ZeroOrMore('='),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
995 nEquals(matchLength()),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
996 '[',
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
997 ZeroOrMore(
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
998 TestNot(LongBracketsEnd()),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
999 ANY
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1000 ),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1001 push( match() ),
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1002 LongBracketsEnd()
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1003 );
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1004 }
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1005
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1006 Rule QuotedString(char quote) {
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1007 StringBuilderVar buf = new StringBuilderVar();
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1008 return Sequence(
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1009 quote,
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1010 ZeroOrMore(
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1011 FirstOf(
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1012 Sequence(
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1013 NoneOf("\\\n"+quote),
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1014 buf.append(matchedChar())
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1015 ),
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1016 EscSeq(buf)
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1017 )
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1018 ),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1019 quote,
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1020 push( buf.getString() )
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1021 );
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1022 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1023
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1024 Rule EscSeq(StringBuilderVar buf) {
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1025 return Sequence(
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1026 '\\',
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1027 FirstOf(
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1028 Sequence( 'a', buf.append('\u0007') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1029 Sequence( 'b', buf.append('\b') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1030 Sequence( 'f', buf.append('\f') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1031 Sequence( 'n', buf.append('\n') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1032 Sequence( 'r', buf.append('\r') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1033 Sequence( 't', buf.append('\t') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1034 Sequence( 'v', buf.append('\u000b') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1035 Sequence( '\\', buf.append('\\') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1036 Sequence( '"', buf.append('"') ),
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1037 Sequence( '\'', buf.append('\'') ),
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1038 Sequence(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1039 'x',
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1040 Sequence( HexDigit(), HexDigit() ),
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1041 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
1042 ),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1043 Sequence(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1044 Sequence(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1045 Digit(),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1046 Optional(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1047 Digit(),
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1048 Optional(
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1049 Digit()
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1050 )
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1051 )
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1052 ),
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1053 buf.append( (char)Integer.parseInt(match()) )
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1054 )
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1055 )
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1056 );
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1057 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1058
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1059 Rule Spaces() {
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1060 return ZeroOrMore(
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1061 FirstOf(
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1062 AnyOf(" \t"),
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1063 Comment(),
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1064 Sequence( '\\', EndOfLine() ),
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1065 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
1066 )
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1067 );
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1068 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1069
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1070 Rule Comment() {
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1071 return Sequence(
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1072 "--[",
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1073 ZeroOrMore('='),
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1074 nEquals(matchLength()),
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1075 '[',
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1076 ZeroOrMore(
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1077 TestNot(LongBracketsEnd()),
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1078 ANY
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1079 ),
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1080 LongBracketsEnd()
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1081 );
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1082 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1083
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1084 Rule LongBracketsEnd() {
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1085 return Sequence( ']', ZeroOrMore('='), nEquals==matchLength(), ']' );
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1086 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1087
18
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1088 static boolean action(Object obj) {
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1089 return true;
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1090 }
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1091
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1092 // for debugging
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1093 boolean print(Object o) {
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1094 System.out.println(o);
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1095 return true;
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1096 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1097
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1098 }