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annotate core/src/luan/impl/LuanParser.java @ 179:bf9c7111a371

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minor git-svn-id: https://luan-java.googlecode.com/svn/trunk@180 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 24 Jun 2014 00:05:53 +0000
parents bdbd4740121f
children 5351374efb6d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
166
4eaee12f6c65 move luan/interp to impl
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diff changeset
1 package luan.impl;
5
9ef0fd711101 start LuaParser
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2
12
9cea1aea5eef CmdLine can run files
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3 import java.util.Set;
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4 import java.util.HashSet;
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5 import java.util.Arrays;
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6 import java.util.List;
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7 import java.util.ArrayList;
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9ef0fd711101 start LuaParser
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8 import java.util.Scanner;
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64ecb7a3aad7 rename Lua to Luan
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9 import luan.Luan;
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10 import luan.LuanState;
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11 import luan.LuanSource;
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12
9ef0fd711101 start LuaParser
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14 final class LuanParser {
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16 private static final class Frame {
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17 final Frame parent;
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18 final List<String> symbols = new ArrayList<String>();
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19 int stackSize = 0;
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20 int loops = 0;
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21 boolean isVarArg = false;
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22 final List<String> upValueSymbols = new ArrayList<String>();
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23 final List<UpValue.Getter> upValueGetters = new ArrayList<UpValue.Getter>();
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24
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25 Frame(UpValue.Getter envGetter) {
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0cdc1da466ee implement _G and _ENV
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26 this.parent = null;
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27 upValueSymbols.add(_ENV);
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28 upValueGetters.add(envGetter);
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29 }
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30
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31 Frame(Frame parent) {
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32 this.parent = parent;
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33 if( upValueIndex(_ENV) != 0 )
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34 throw new RuntimeException();
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35 }
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36
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37 int stackIndex(String name) {
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38 int i = symbols.size();
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39 while( --i >= 0 ) {
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40 if( symbols.get(i).equals(name) )
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41 return i;
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42 }
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43 return -1;
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44 }
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45
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46 int upValueIndex(String name) {
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47 int i = upValueSymbols.size();
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48 while( --i >= 0 ) {
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49 if( upValueSymbols.get(i).equals(name) )
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50 return i;
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51 }
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52 if( parent==null )
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53 return -1;
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54 i = parent.stackIndex(name);
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55 if( i != -1 ) {
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56 upValueGetters.add(new UpValue.StackGetter(i));
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57 } else {
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58 i = parent.upValueIndex(name);
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59 if( i == -1 )
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60 return -1;
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61 upValueGetters.add(new UpValue.NestedGetter(i));
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62 }
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63 upValueSymbols.add(name);
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64 return upValueSymbols.size() - 1;
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65 }
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67 void addUpValueGetter(String name,UpValue.Getter upValueGetter) {
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68 upValueSymbols.add(name);
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69 upValueGetters.add(upValueGetter);
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70 }
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71 }
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72
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73 private static class In {
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74 static final In NOTHING = new In(false,false);
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75
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76 final boolean parens;
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77 final boolean template;
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78
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79 private In(boolean parens,boolean template) {
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80 this.parens = parens;
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81 this.template = template;
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82 }
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83
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84 In parens() {
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85 return parens ? this : new In(true,template);
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86 }
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87
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88 In template() {
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89 return template ? this : new In(parens,true);
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90 }
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91 }
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92
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93 private static final String _ENV = "_ENV";
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94 private static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0];
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95
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96 final LuanSource source;
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97 private Frame frame;
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98 private final Parser parser;
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99 private final boolean interactive;
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100
108
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101 LuanParser(LuanSource source,UpValue.Getter envGetter) {
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102 this.source = source;
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103 this.frame = new Frame(envGetter);
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104 this.parser = new Parser(source);
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105 this.interactive = envGetter instanceof UpValue.ValueGetter;
108
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106 }
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107
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108 void addVar(String name,Object value) {
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109 frame.addUpValueGetter(name,new UpValue.ValueGetter(value));
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110 }
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111
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112 private LuanSource.Element se(int start) {
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113 return new LuanSource.Element(source,start,parser.currentIndex());
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114 }
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115
104
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116 private List<String> symbols() {
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117 return frame.symbols;
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118 }
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119
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120 private int symbolsSize() {
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121 return frame.symbols.size();
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122 }
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123
104
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124 private void addSymbol(String name) {
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125 frame.symbols.add(name);
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126 if( frame.stackSize < symbolsSize() )
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127 frame.stackSize = symbolsSize();
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128 }
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129
104
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130 private void addSymbols(List<String> names) {
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131 frame.symbols.addAll(names);
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132 if( frame.stackSize < symbolsSize() )
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133 frame.stackSize = symbolsSize();
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134 }
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135
104
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136 private int stackIndex(String name) {
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137 return frame.stackIndex(name);
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138 }
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139
104
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140 private void popSymbols(int n) {
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141 List<String> symbols = frame.symbols;
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142 while( n-- > 0 ) {
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143 symbols.remove(symbols.size()-1);
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144 }
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145 }
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146
104
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147 private int upValueIndex(String name) {
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148 return frame.upValueIndex(name);
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149 }
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150
104
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151 private void incLoops() {
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152 frame.loops++;
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153 }
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154
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155 private void decLoops() {
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156 frame.loops--;
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157 }
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158
104
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159 private <T> T required(T t) throws ParseException {
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160 if( t==null )
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161 throw parser.exception();
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162 return t;
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163 }
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164
104
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165 private <T> T required(T t,String msg) throws ParseException {
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166 if( t==null )
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167 throw parser.exception(msg);
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168 return t;
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169 }
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170
154
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171 private static Expr expr(Expressions exprs) {
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172 if( exprs instanceof Expr )
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173 return (Expr)exprs;
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174 return new ExpressionsExpr(exprs);
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175 }
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176
104
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177 private FnDef newFnDef(int start,Stmt stmt) {
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178 return new FnDef( se(start), stmt, frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) );
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179 }
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180
158
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181 FnDef Expression() throws ParseException {
129
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182 Spaces(In.NOTHING);
104
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183 int start = parser.begin();
158
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184 Expressions expr = Expr(In.NOTHING);
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185 if( expr != null && parser.endOfInput() ) {
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186 Stmt stmt = new ReturnStmt( se(start), expr );
104
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187 return parser.success(newFnDef(start,stmt));
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188 }
108
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189 return parser.failure(null);
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190 }
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191
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192 FnDef RequiredModule() throws ParseException {
129
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193 Spaces(In.NOTHING);
108
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194 int start = parser.begin();
104
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195 frame.isVarArg = true;
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196 Stmt stmt = RequiredBlock();
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197 if( parser.endOfInput() )
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198 return parser.success(newFnDef(start,stmt));
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199 throw parser.exception();
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200 }
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201
104
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202 private Stmt RequiredBlock() throws ParseException {
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203 List<Stmt> stmts = new ArrayList<Stmt>();
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204 int stackStart = symbolsSize();
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205 Stmt(stmts);
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206 while( StmtSep(stmts) ) {
129
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207 Spaces(In.NOTHING);
104
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208 Stmt(stmts);
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209 }
21
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210 int stackEnd = symbolsSize();
19
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211 popSymbols( stackEnd - stackStart );
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212 if( stmts.isEmpty() )
12
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213 return Stmt.EMPTY;
19
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214 if( stmts.size()==1 && stackStart==stackEnd )
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215 return stmts.get(0);
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216 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd );
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217 }
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218
104
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219 private boolean StmtSep(List<Stmt> stmts) throws ParseException {
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220 parser.begin();
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221 if( parser.match( ';' ) )
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222 return parser.success();
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223 if( parser.match( "--" ) ) {
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224 while( parser.noneOf("\r\n") );
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225 }
157
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226 if( EndOfLine() )
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227 return parser.success();
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228 parser.rollback();
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229 Stmt stmt = TemplateStmt();
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230 if( stmt != null ) {
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231 stmts.add(stmt);
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232 return parser.success();
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233 }
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234 return parser.failure();
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235 }
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236
104
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237 private boolean EndOfLine() {
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238 return parser.match( "\r\n" ) || parser.match( '\r' ) || parser.match( '\n' );
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239 }
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240
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241 private void Stmt(List<Stmt> stmts) throws ParseException {
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242 if( LocalStmt(stmts) )
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243 return;
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244 Stmt stmt;
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245 if( (stmt=ReturnStmt()) != null
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246 || (stmt=FunctionStmt()) != null
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247 || (stmt=LocalFunctionStmt()) != null
108
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248 || (stmt=ImportStmt()) != null
104
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249 || (stmt=BreakStmt()) != null
127
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250 || (stmt=ForStmt()) != null
104
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251 || (stmt=TryStmt()) != null
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252 || (stmt=DoStmt()) != null
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253 || (stmt=WhileStmt()) != null
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254 || (stmt=FunctionStmt()) != null
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255 || (stmt=RepeatStmt()) != null
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256 || (stmt=IfStmt()) != null
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257 || (stmt=SetStmt()) != null
159
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258 || (stmt=ExpressionsStmt()) != null
104
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259 ) {
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260 stmts.add(stmt);
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261 }
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262 }
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263
157
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264 private Stmt TemplateStmt() throws ParseException {
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265 int start = parser.currentIndex();
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266 Expressions exp = TemplateExpressions(In.NOTHING);
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267 if( exp == null )
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268 return null;
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269 Expr fnExp = (Expr)nameVar(start,"Io").expr();
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270 fnExp = new IndexExpr( se(start), fnExp, new ConstExpr("stdout") );
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271 fnExp = new IndexExpr( se(start), fnExp, new ConstExpr("write") );
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272 FnCall fnCall = new FnCall( se(start), fnExp, exp );
159
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273 return new ExpressionsStmt(fnCall);
157
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274 }
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275
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276 private Expressions TemplateExpressions(In in) throws ParseException {
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277 if( in.template )
129
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278 return null;
104
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279 int start = parser.begin();
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280 if( !parser.match( "%>" ) )
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281 return parser.failure(null);
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282 EndOfLine();
157
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283 In inTemplate = in.template();
154
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284 List<Expressions> builder = new ArrayList<Expressions>();
104
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285 while(true) {
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286 if( parser.match( "<%=" ) ) {
157
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287 Spaces(inTemplate);
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288 builder.add( RequiredExpr(inTemplate) );
104
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289 RequiredMatch( "%>" );
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290 } else if( parser.match( "<%" ) ) {
157
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291 Spaces(inTemplate);
154
c2e5101682ae Expr extends Expressions
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292 return parser.success(ExpList.build(builder));
104
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293 } else {
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294 int i = parser.currentIndex();
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295 do {
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296 if( parser.match( "%>" ) )
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297 throw parser.exception("'%>' unexpected");
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298 if( !parser.anyChar() )
157
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299 throw parser.exception("Unclosed template expression");
104
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300 } while( !parser.test( "<%" ) );
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301 String match = parser.textFrom(i);
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302 builder.add( new ConstExpr(match) );
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303 }
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304 }
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305 }
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306
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307 private Stmt ReturnStmt() throws ParseException {
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308 int start = parser.begin();
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309 if( !Keyword("return",In.NOTHING) )
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310 return parser.failure(null);
129
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311 Expressions exprs = ExpList(In.NOTHING);
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312 if( exprs==null )
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313 exprs = ExpList.emptyExpList;
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314 return parser.success( new ReturnStmt(se(start),exprs) );
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315 }
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316
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317 private Stmt FunctionStmt() throws ParseException {
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318 parser.begin();
129
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319 if( !Keyword("function",In.NOTHING) )
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320 return parser.failure(null);
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321
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322 int start = parser.currentIndex();
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323 Var var = nameVar(start,RequiredName(In.NOTHING));
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324 while( parser.match( '.' ) ) {
129
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325 Spaces(In.NOTHING);
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326 var = indexVar( start, expr(var.expr()), NameExpr(In.NOTHING) );
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327 }
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328 Settable fnName = var.settable();
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329
129
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330 FnDef fnDef = RequiredFunction(In.NOTHING);
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331 return parser.success( new SetStmt(fnName,fnDef) );
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332 }
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333
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334 private Stmt LocalFunctionStmt() throws ParseException {
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335 parser.begin();
129
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336 if( !(Keyword("local",In.NOTHING) && Keyword("function",In.NOTHING)) )
104
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337 return parser.failure(null);
129
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338 String name = RequiredName(In.NOTHING);
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339 addSymbol( name );
129
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340 FnDef fnDef = RequiredFunction(In.NOTHING);
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341 return parser.success( new SetStmt( new SetLocalVar(symbolsSize()-1), fnDef ) );
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342 }
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343
108
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344 private Stmt ImportStmt() throws ParseException {
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345 int start = parser.begin();
129
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346 if( !Keyword("import",In.NOTHING) )
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347 return parser.failure(null);
179
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348 Expr importExpr;
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349 {
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350 LuanSource.Element se = se(start);
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351 int index = stackIndex("require");
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352 if( index != -1 ) {
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353 importExpr = new GetLocalVar(se,index);
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354 } else {
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355 index = upValueIndex("require");
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356 if( index != -1 ) {
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357 importExpr = new GetUpVar(se,index);
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358 } else {
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359 throw parser.exception("no local 'require' function, needed for import");
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360 }
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361 }
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362 }
129
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363 String modName = StringLiteral(In.NOTHING);
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364 if( modName==null )
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365 return parser.failure(null);
175
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366 int i = modName.lastIndexOf('/');
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367 if( i == -1 )
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368 i = modName.lastIndexOf('.');
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369 String varName = modName.substring(i+1);
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370 LuanSource.Element se = se(start);
154
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371 FnCall require = new FnCall( se, importExpr, new ConstExpr(modName) );
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372 Settable settable;
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373 if( interactive ) {
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374 settable = nameVar(se,varName).settable();
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375 } else {
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376 addSymbol( varName );
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377 settable = new SetLocalVar(symbolsSize()-1);
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378 }
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379 return parser.success( new SetStmt( settable, expr(require) ) );
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380 }
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381
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382 private Stmt BreakStmt() throws ParseException {
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383 parser.begin();
129
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384 if( !Keyword("break",In.NOTHING) )
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385 return parser.failure(null);
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386 if( frame.loops <= 0 )
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387 throw parser.exception("'break' outside of loop");
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388 return parser.success( new BreakStmt() );
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389 }
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390
127
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391 private Stmt ForStmt() throws ParseException {
104
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392 int start = parser.begin();
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393 int stackStart = symbolsSize();
129
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394 if( !Keyword("for",In.NOTHING) )
104
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395 return parser.failure(null);
129
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396 List<String> names = RequiredNameList(In.NOTHING);
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397 if( !Keyword("in",In.NOTHING) )
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398 return parser.failure(null);
129
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399 Expr expr = expr(RequiredExpr(In.NOTHING));
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400 RequiredKeyword("do",In.NOTHING);
104
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401 addSymbols(names);
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402 Stmt loop = RequiredLoopBlock();
129
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403 RequiredKeyword("end",In.NOTHING);
127
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404 Stmt stmt = new ForStmt( se(start), stackStart, symbolsSize() - stackStart, expr, loop );
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diff changeset
405 popSymbols( symbolsSize() - stackStart );
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diff changeset
406 return parser.success(stmt);
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407 }
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diff changeset
408
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409 private Stmt TryStmt() throws ParseException {
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diff changeset
410 parser.begin();
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diff changeset
411 if( !Keyword("try",In.NOTHING) )
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diff changeset
412 return parser.failure(null);
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413 Stmt tryBlock = RequiredBlock();
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diff changeset
414 RequiredKeyword("catch",In.NOTHING);
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415 String name = RequiredName(In.NOTHING);
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416 addSymbol(name);
129
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417 RequiredKeyword("do",In.NOTHING);
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418 Stmt catchBlock = RequiredBlock();
129
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419 RequiredKeyword("end",In.NOTHING);
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420 Stmt stmt = new TryStmt( tryBlock, symbolsSize()-1, catchBlock );
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diff changeset
421 popSymbols(1);
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422 return parser.success(stmt);
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423 }
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diff changeset
424
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diff changeset
425 private Stmt DoStmt() throws ParseException {
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426 parser.begin();
129
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427 if( !Keyword("do",In.NOTHING) )
104
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428 return parser.failure(null);
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diff changeset
429 Stmt stmt = RequiredBlock();
129
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430 RequiredKeyword("end",In.NOTHING);
104
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diff changeset
431 return parser.success(stmt);
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432 }
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433
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diff changeset
434 private boolean LocalStmt(List<Stmt> stmts) throws ParseException {
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435 parser.begin();
129
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diff changeset
436 if( !Keyword("local",In.NOTHING) )
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437 return parser.failure();
129
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438 List<String> names = NameList(In.NOTHING);
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diff changeset
439 if( names==null )
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diff changeset
440 return parser.failure();
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441 if( parser.match( '=' ) ) {
129
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442 Spaces(In.NOTHING);
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443 Expressions values = ExpList(In.NOTHING);
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diff changeset
444 if( values==null )
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445 throw parser.exception("Expressions expected");
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446 SetLocalVar[] vars = new SetLocalVar[names.size()];
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diff changeset
447 int stackStart = symbolsSize();
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diff changeset
448 for( int i=0; i<vars.length; i++ ) {
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449 vars[i] = new SetLocalVar(stackStart+i);
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450 }
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diff changeset
451 stmts.add( new SetStmt( vars, values ) );
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452 }
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diff changeset
453 addSymbols(names);
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diff changeset
454 return parser.success();
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455 }
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456
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457 private List<String> RequiredNameList(In in) throws ParseException {
104
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458 parser.begin();
129
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459 List<String> names = NameList(in);
104
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diff changeset
460 if( names==null )
139
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diff changeset
461 throw parser.exception("Name expected");
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diff changeset
462 return parser.success(names);
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diff changeset
463 }
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diff changeset
464
129
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diff changeset
465 private List<String> NameList(In in) throws ParseException {
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diff changeset
466 String name = Name(in);
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diff changeset
467 if( name==null )
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diff changeset
468 return null;
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parents: 99
diff changeset
469 List<String> names = new ArrayList<String>();
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470 names.add(name);
139
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diff changeset
471 while( (name=anotherName(in)) != null ) {
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diff changeset
472 names.add(name);
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473 }
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diff changeset
474 return names;
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diff changeset
475 }
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diff changeset
476
139
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diff changeset
477 private String anotherName(In in) throws ParseException {
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diff changeset
478 parser.begin();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
479 if( !parser.match( ',' ) )
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diff changeset
480 return parser.failure(null);
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diff changeset
481 Spaces(in);
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diff changeset
482 String name = Name(in);
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diff changeset
483 if( name==null )
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diff changeset
484 return parser.failure(null);
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parents: 137
diff changeset
485 return parser.success(name);
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diff changeset
486 }
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diff changeset
487
104
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diff changeset
488 private Stmt WhileStmt() throws ParseException {
151
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diff changeset
489 int start = parser.begin();
129
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diff changeset
490 if( !Keyword("while",In.NOTHING) )
104
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diff changeset
491 return parser.failure(null);
129
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diff changeset
492 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
493 RequiredKeyword("do",In.NOTHING);
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diff changeset
494 Stmt loop = RequiredLoopBlock();
129
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diff changeset
495 RequiredKeyword("end",In.NOTHING);
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diff changeset
496 return parser.success( new WhileStmt(se(start),cnd,loop) );
104
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diff changeset
497 }
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diff changeset
498
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diff changeset
499 private Stmt RepeatStmt() throws ParseException {
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500 int start = parser.begin();
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501 if( !Keyword("repeat",In.NOTHING) )
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502 return parser.failure(null);
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503 Stmt loop = RequiredLoopBlock();
129
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504 RequiredKeyword("until",In.NOTHING);
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505 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
506 return parser.success( new RepeatStmt(se(start),loop,cnd) );
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507 }
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diff changeset
508
104
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diff changeset
509 private Stmt RequiredLoopBlock() throws ParseException {
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diff changeset
510 incLoops();
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diff changeset
511 Stmt stmt = RequiredBlock();
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diff changeset
512 decLoops();
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diff changeset
513 return stmt;
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diff changeset
514 }
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diff changeset
515
104
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diff changeset
516 private Stmt IfStmt() throws ParseException {
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diff changeset
517 parser.begin();
129
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diff changeset
518 if( !Keyword("if",In.NOTHING) )
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diff changeset
519 return parser.failure(null);
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diff changeset
520 return parser.success( IfStmt2() );
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diff changeset
521 }
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diff changeset
522
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diff changeset
523 private Stmt IfStmt2() throws ParseException {
151
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diff changeset
524 int start = parser.currentIndex();
129
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525 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
526 RequiredKeyword("then",In.NOTHING);
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diff changeset
527 Stmt thenBlock = RequiredBlock();
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diff changeset
528 Stmt elseBlock;
129
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diff changeset
529 if( Keyword("elseif",In.NOTHING) ) {
104
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diff changeset
530 elseBlock = IfStmt2();
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diff changeset
531 } else {
129
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diff changeset
532 elseBlock = Keyword("else",In.NOTHING) ? RequiredBlock() : Stmt.EMPTY;
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diff changeset
533 RequiredKeyword("end",In.NOTHING);
104
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diff changeset
534 }
151
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diff changeset
535 return new IfStmt(se(start),cnd,thenBlock,elseBlock);
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diff changeset
536 }
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diff changeset
537
104
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diff changeset
538 private Stmt SetStmt() throws ParseException {
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parents: 99
diff changeset
539 parser.begin();
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diff changeset
540 List<Settable> vars = new ArrayList<Settable>();
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diff changeset
541 Settable s = SettableVar();
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diff changeset
542 if( s == null )
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parents: 99
diff changeset
543 return parser.failure(null);
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diff changeset
544 vars.add(s);
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diff changeset
545 while( parser.match( ',' ) ) {
129
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diff changeset
546 Spaces(In.NOTHING);
104
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diff changeset
547 s = SettableVar();
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diff changeset
548 if( s == null )
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parents: 99
diff changeset
549 return parser.failure(null);
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diff changeset
550 vars.add(s);
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diff changeset
551 }
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diff changeset
552 if( !parser.match( '=' ) )
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diff changeset
553 return parser.failure(null);
129
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diff changeset
554 Spaces(In.NOTHING);
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diff changeset
555 Expressions values = ExpList(In.NOTHING);
104
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diff changeset
556 if( values==null )
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diff changeset
557 throw parser.exception("Expressions expected");
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diff changeset
558 return parser.success( new SetStmt( vars.toArray(new Settable[0]), values ) );
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diff changeset
559 }
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parents: 99
diff changeset
560
159
0abc9181061a revert rev 154 but only allow FnCall, AndExpr, or OrExpr in ExpressionsStmt
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diff changeset
561 private Stmt ExpressionsStmt() throws ParseException {
104
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parents: 99
diff changeset
562 parser.begin();
159
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parents: 158
diff changeset
563 Expressions exp = Expr(In.NOTHING);
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parents: 158
diff changeset
564 if( exp instanceof FnCall || exp instanceof AndExpr || exp instanceof OrExpr )
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diff changeset
565 return parser.success( new ExpressionsStmt(exp) );
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diff changeset
566 return parser.failure(null);
104
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diff changeset
567 }
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parents: 99
diff changeset
568
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parents: 99
diff changeset
569 private Settable SettableVar() throws ParseException {
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parents: 99
diff changeset
570 int start = parser.begin();
129
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diff changeset
571 Var var = VarZ(In.NOTHING);
104
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diff changeset
572 if( var==null )
155
db7b3902e01c fix parsing problems
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parents: 154
diff changeset
573 return parser.failure(null);
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parents: 154
diff changeset
574 return parser.success( var.settable() );
104
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parents: 99
diff changeset
575 }
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parents: 99
diff changeset
576
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
577 private Expressions RequiredExpr(In in) throws ParseException {
129
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diff changeset
578 parser.begin();
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parents: 128
diff changeset
579 return parser.success(required(Expr(in),"Bad expression"));
104
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parents: 99
diff changeset
580 }
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parents: 99
diff changeset
581
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
582 private Expressions Expr(In in) throws ParseException {
104
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diff changeset
583 parser.begin();
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
584 Expressions exp;
129
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diff changeset
585 return (exp = VarArgs(in)) != null
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diff changeset
586 || (exp = OrExpr(in)) != null
107
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
587 ? parser.success(exp)
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
588 : parser.failure((Expressions)null)
107
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
589 ;
19
a7c13c6017f7 add GenericForStmt
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parents: 18
diff changeset
590 }
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parents: 18
diff changeset
591
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
592 private Expressions OrExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
593 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
594 Expressions exp = AndExpr(in);
104
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parents: 99
diff changeset
595 if( exp==null )
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parents: 99
diff changeset
596 return parser.failure(null);
129
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parents: 128
diff changeset
597 while( Keyword("or",in) ) {
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diff changeset
598 exp = new OrExpr( se(start), expr(exp), required(expr(AndExpr(in))) );
104
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diff changeset
599 }
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diff changeset
600 return parser.success(exp);
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601 }
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602
154
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parents: 153
diff changeset
603 private Expressions AndExpr(In in) throws ParseException {
104
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604 int start = parser.begin();
154
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parents: 153
diff changeset
605 Expressions exp = RelExpr(in);
104
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diff changeset
606 if( exp==null )
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diff changeset
607 return parser.failure(null);
129
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diff changeset
608 while( Keyword("and",in) ) {
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diff changeset
609 exp = new AndExpr( se(start), expr(exp), required(expr(RelExpr(in))) );
104
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parents: 99
diff changeset
610 }
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diff changeset
611 return parser.success(exp);
18
3971113699b8 add NumericForStmt
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parents: 17
diff changeset
612 }
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parents: 17
diff changeset
613
154
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parents: 153
diff changeset
614 private Expressions RelExpr(In in) throws ParseException {
104
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diff changeset
615 int start = parser.begin();
154
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diff changeset
616 Expressions exp = ConcatExpr(in);
104
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diff changeset
617 if( exp==null )
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diff changeset
618 return parser.failure(null);
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parents: 99
diff changeset
619 while(true) {
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diff changeset
620 if( parser.match("==") ) {
129
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diff changeset
621 Spaces(in);
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622 exp = new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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parents: 99
diff changeset
623 } else if( parser.match("~=") ) {
129
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diff changeset
624 Spaces(in);
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diff changeset
625 exp = new NotExpr( se(start), new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) ) );
104
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diff changeset
626 } else if( parser.match("<=") ) {
129
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diff changeset
627 Spaces(in);
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diff changeset
628 exp = new LeExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
629 } else if( parser.match(">=") ) {
129
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diff changeset
630 Spaces(in);
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diff changeset
631 exp = new LeExpr( se(start), required(expr(ConcatExpr(in))), expr(exp) );
104
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diff changeset
632 } else if( parser.match("<") ) {
129
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diff changeset
633 Spaces(in);
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diff changeset
634 exp = new LtExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
635 } else if( parser.match(">") ) {
129
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diff changeset
636 Spaces(in);
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diff changeset
637 exp = new LtExpr( se(start), required(expr(ConcatExpr(in))), expr(exp) );
104
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diff changeset
638 } else
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parents: 99
diff changeset
639 break;
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diff changeset
640 }
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diff changeset
641 return parser.success(exp);
42
786699c78837 implement try-catch
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parents: 40
diff changeset
642 }
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parents: 40
diff changeset
643
154
c2e5101682ae Expr extends Expressions
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diff changeset
644 private Expressions ConcatExpr(In in) throws ParseException {
104
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diff changeset
645 int start = parser.begin();
154
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diff changeset
646 Expressions exp = SumExpr(in);
104
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diff changeset
647 if( exp==null )
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parents: 99
diff changeset
648 return parser.failure(null);
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diff changeset
649 if( parser.match("..") ) {
129
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diff changeset
650 Spaces(in);
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diff changeset
651 exp = new ConcatExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
652 }
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diff changeset
653 return parser.success(exp);
28
df923e5835b2 fix local initial assignment
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parents: 26
diff changeset
654 }
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parents: 26
diff changeset
655
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
656 private Expressions SumExpr(In in) throws ParseException {
104
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diff changeset
657 int start = parser.begin();
154
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diff changeset
658 Expressions exp = TermExpr(in);
104
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diff changeset
659 if( exp==null )
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parents: 99
diff changeset
660 return parser.failure(null);
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parents: 99
diff changeset
661 while(true) {
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parents: 99
diff changeset
662 if( parser.match('+') ) {
129
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diff changeset
663 Spaces(in);
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parents: 128
diff changeset
664 exp = new AddExpr( se(start), expr(exp), required(expr(TermExpr(in))) );
104
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diff changeset
665 } else if( Minus() ) {
129
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diff changeset
666 Spaces(in);
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diff changeset
667 exp = new SubExpr( se(start), expr(exp), required(expr(TermExpr(in))) );
104
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diff changeset
668 } else
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parents: 99
diff changeset
669 break;
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diff changeset
670 }
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parents: 99
diff changeset
671 return parser.success(exp);
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parents: 99
diff changeset
672 }
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parents: 99
diff changeset
673
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parents: 99
diff changeset
674 private boolean Minus() {
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parents: 99
diff changeset
675 parser.begin();
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parents: 99
diff changeset
676 return parser.match('-') && !parser.match('-') ? parser.success() : parser.failure();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
677 }
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parents: 11
diff changeset
678
154
c2e5101682ae Expr extends Expressions
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diff changeset
679 private Expressions TermExpr(In in) throws ParseException {
104
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diff changeset
680 int start = parser.begin();
154
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diff changeset
681 Expressions exp = UnaryExpr(in);
104
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diff changeset
682 if( exp==null )
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diff changeset
683 return parser.failure(null);
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diff changeset
684 while(true) {
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parents: 99
diff changeset
685 if( parser.match('*') ) {
129
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diff changeset
686 Spaces(in);
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diff changeset
687 exp = new MulExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
104
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diff changeset
688 } else if( parser.match('/') ) {
129
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diff changeset
689 Spaces(in);
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diff changeset
690 exp = new DivExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
107
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diff changeset
691 } else if( Mod() ) {
129
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diff changeset
692 Spaces(in);
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diff changeset
693 exp = new ModExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
104
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diff changeset
694 } else
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diff changeset
695 break;
17
09d41f7490a8 add local variables
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diff changeset
696 }
104
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diff changeset
697 return parser.success(exp);
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
698 }
09d41f7490a8 add local variables
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parents: 16
diff changeset
699
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
700 private boolean Mod() {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
701 parser.begin();
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
702 return parser.match('%') && !parser.match('>') ? parser.success() : parser.failure();
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
703 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
704
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
705 private Expressions UnaryExpr(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
706 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
707 if( parser.match('#') ) {
129
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parents: 128
diff changeset
708 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
709 return parser.success( new LenExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
710 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
711 if( Minus() ) {
129
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diff changeset
712 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
713 return parser.success( new UnmExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
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parents: 99
diff changeset
714 }
129
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diff changeset
715 if( Keyword("not",in) ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
716 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
717 return parser.success( new NotExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
718 }
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
719 Expressions exp = PowExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
720 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
721 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
722 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
723 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
724
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
725 private Expressions PowExpr(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
726 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
727 Expressions exp = SingleExpr(in);
104
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parents: 99
diff changeset
728 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
729 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
730 if( parser.match('^') ) {
129
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parents: 128
diff changeset
731 Spaces(in);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
732 exp = new ConcatExpr( se(start), expr(exp), required(expr(PowExpr(in))) );
104
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parents: 99
diff changeset
733 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
734 return parser.success(exp);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
735 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
736
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
737 private Expressions SingleExpr(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
738 parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
739 Expressions exp;
129
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parents: 128
diff changeset
740 exp = FunctionExpr(in);
104
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parents: 99
diff changeset
741 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
742 return parser.success(exp);
129
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parents: 128
diff changeset
743 exp = TableExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
744 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
745 return parser.success(exp);
129
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parents: 128
diff changeset
746 exp = VarExp(in);
104
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parents: 99
diff changeset
747 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
748 return parser.success(exp);
129
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parents: 128
diff changeset
749 exp = Literal(in);
104
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parents: 99
diff changeset
750 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
751 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
752 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
753 }
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parents: 12
diff changeset
754
129
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parents: 128
diff changeset
755 private Expr FunctionExpr(In in) throws ParseException {
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
756 if( !Keyword("function",in) )
104
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parents: 99
diff changeset
757 return null;
129
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parents: 128
diff changeset
758 return RequiredFunction(in);
20
d85510d92eee add BreakStmt
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parents: 19
diff changeset
759 }
d85510d92eee add BreakStmt
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parents: 19
diff changeset
760
129
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parents: 128
diff changeset
761 private FnDef RequiredFunction(In in) throws ParseException {
104
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parents: 99
diff changeset
762 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
763 RequiredMatch('(');
129
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parents: 128
diff changeset
764 In inParens = in.parens();
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
765 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
766 frame = new Frame(frame);
129
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diff changeset
767 List<String> names = NameList(in);
104
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parents: 99
diff changeset
768 if( names != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
769 addSymbols(names);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
770 if( parser.match(',') ) {
129
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diff changeset
771 Spaces(inParens);
104
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parents: 99
diff changeset
772 if( !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
773 throw parser.exception();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
774 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
775 }
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parents: 99
diff changeset
776 } else if( parser.match("...") ) {
129
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parents: 128
diff changeset
777 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
778 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
779 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
780 RequiredMatch(')');
129
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parents: 128
diff changeset
781 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
782 Stmt block = RequiredBlock();
129
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diff changeset
783 RequiredKeyword("end",in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
784 FnDef fnDef = newFnDef(start,block);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
785 frame = frame.parent;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
786 return parser.success(fnDef);
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
787 }
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
788
129
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parents: 128
diff changeset
789 private VarArgs VarArgs(In in) throws ParseException {
104
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parents: 99
diff changeset
790 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
791 if( !frame.isVarArg || !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
792 return parser.failure(null);
129
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parents: 128
diff changeset
793 Spaces(in);
104
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parents: 99
diff changeset
794 return parser.success( new VarArgs(se(start)) );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
795 }
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796
129
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diff changeset
797 private Expr TableExpr(In in) throws ParseException {
104
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diff changeset
798 int start = parser.begin();
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diff changeset
799 if( !parser.match('{') )
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800 return parser.failure(null);
129
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diff changeset
801 In inParens = in.parens();
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diff changeset
802 Spaces(inParens);
104
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diff changeset
803 List<TableExpr.Field> fields = new ArrayList<TableExpr.Field>();
154
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diff changeset
804 List<Expressions> builder = new ArrayList<Expressions>();
129
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diff changeset
805 while( Field(fields,builder,in) && FieldSep(inParens) );
148
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diff changeset
806 Spaces(inParens);
107
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diff changeset
807 if( !parser.match('}') )
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diff changeset
808 throw parser.exception("Expected table element or '}'");
154
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diff changeset
809 return parser.success( new TableExpr( se(start), fields.toArray(new TableExpr.Field[0]), ExpList.build(builder) ) );
104
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diff changeset
810 }
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diff changeset
811
129
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diff changeset
812 private boolean FieldSep(In in) throws ParseException {
104
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diff changeset
813 if( !parser.anyOf(",;") )
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diff changeset
814 return false;
129
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diff changeset
815 Spaces(in);
14
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diff changeset
816 return true;
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diff changeset
817 }
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diff changeset
818
154
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diff changeset
819 private boolean Field(List<TableExpr.Field> fields,List<Expressions> builder,In in) throws ParseException {
104
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diff changeset
820 parser.begin();
129
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diff changeset
821 Expr exp = SubExpr(in);
104
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diff changeset
822 if( exp==null )
129
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diff changeset
823 exp = NameExpr(in);
104
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diff changeset
824 if( exp!=null && parser.match('=') ) {
137
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parents: 129
diff changeset
825 Spaces(in);
129
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diff changeset
826 fields.add( new TableExpr.Field( exp, required(expr(Expr(in))) ) );
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diff changeset
827 return parser.success();
17
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diff changeset
828 }
104
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diff changeset
829 parser.rollback();
154
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diff changeset
830 Expressions exprs = Expr(in);
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diff changeset
831 if( exprs != null ) {
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parents: 153
diff changeset
832 builder.add(exprs);
104
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diff changeset
833 return parser.success();
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parents: 99
diff changeset
834 }
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diff changeset
835 return parser.failure();
7
bca8fc5d928b work on expressions
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parents: 6
diff changeset
836 }
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diff changeset
837
154
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diff changeset
838 private Expressions VarExp(In in) throws ParseException {
129
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diff changeset
839 Var var = VarZ(in);
104
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diff changeset
840 return var==null ? null : var.expr();
8
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parents: 7
diff changeset
841 }
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diff changeset
842
129
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diff changeset
843 private Var VarZ(In in) throws ParseException {
104
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diff changeset
844 int start = parser.begin();
129
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diff changeset
845 Var var = VarStart(in);
104
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diff changeset
846 if( var==null )
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diff changeset
847 return parser.failure(null);
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diff changeset
848 Var var2;
129
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diff changeset
849 while( (var2=Var2(in,start,var.expr())) != null ) {
104
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diff changeset
850 var = var2;
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diff changeset
851 }
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diff changeset
852 return parser.success(var);
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parents: 6
diff changeset
853 }
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diff changeset
854
154
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diff changeset
855 private Var Var2(In in,int start,Expressions exp1) throws ParseException {
155
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parents: 154
diff changeset
856 parser.begin();
129
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diff changeset
857 Var var = VarExt(in,start,exp1);
104
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diff changeset
858 if( var != null )
155
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diff changeset
859 return parser.success(var);
104
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diff changeset
860 if( parser.match("->") ) {
129
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diff changeset
861 Spaces(in);
154
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diff changeset
862 List<Expressions> builder = new ArrayList<Expressions>();
104
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diff changeset
863 builder.add(exp1);
129
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diff changeset
864 Expr exp2 = expr(RequiredVarExpB(in));
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diff changeset
865 FnCall fnCall = required(Args( in, start, exp2, builder ));
155
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parents: 154
diff changeset
866 return parser.success(exprVar(fnCall));
104
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diff changeset
867 }
154
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diff changeset
868 FnCall fnCall = Args( in, start, expr(exp1), new ArrayList<Expressions>() );
104
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diff changeset
869 if( fnCall != null )
155
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diff changeset
870 return parser.success(exprVar(fnCall));
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diff changeset
871 return parser.failure(null);
21
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diff changeset
872 }
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diff changeset
873
154
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diff changeset
874 private Expressions RequiredVarExpB(In in) throws ParseException {
104
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diff changeset
875 int start = parser.begin();
129
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diff changeset
876 Var var = required(VarStart(in));
104
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diff changeset
877 Var var2;
129
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diff changeset
878 while( (var2=VarExt(in,start,var.expr())) != null ) {
104
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diff changeset
879 var = var2;
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diff changeset
880 }
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diff changeset
881 return parser.success(var.expr());
9
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parents: 8
diff changeset
882 }
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diff changeset
883
154
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diff changeset
884 private Var VarExt(In in,int start,Expressions exp1) throws ParseException {
104
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diff changeset
885 parser.begin();
129
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diff changeset
886 Expr exp2 = SubExpr(in);
104
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diff changeset
887 if( exp2 != null )
107
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diff changeset
888 return parser.success(indexVar(start,expr(exp1),exp2));
104
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diff changeset
889 if( parser.match('.') ) {
129
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diff changeset
890 Spaces(in);
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diff changeset
891 exp2 = NameExpr(in);
104
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diff changeset
892 if( exp2!=null )
107
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parents: 106
diff changeset
893 return parser.success(indexVar(start,expr(exp1),exp2));
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
894 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
895 return parser.failure(null);
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
896 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
897
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
898 private Var VarStart(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
899 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
900 if( parser.match('(') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
901 In inParens = in.parens();
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
902 Spaces(inParens);
158
cced1c4d3575 only allow TemplateExpressions at end of expr list;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 157
diff changeset
903 Expr exp = expr(RequiredExpr(inParens));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
904 RequiredMatch(')');
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
905 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
906 return parser.success(exprVar(exp));
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
907 }
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
908 String name = Name(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
909 if( name != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
910 return parser.success(nameVar(start,name));
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
911 return parser.failure(null);
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
912 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
913
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
914 private Expr env() {
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
915 int index = stackIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
916 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
917 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
918 index = upValueIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
919 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
920 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
921 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
922 }
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
923
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
924 private interface Var {
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
925 public Expressions expr();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
926 public Settable settable();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
927 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
928
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
929 private Var nameVar(final int start,final String name) {
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
930 return nameVar(se(start),name);
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
931 }
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
932
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
933 private Var nameVar(final LuanSource.Element se,final String name) {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
934 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
935
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
936 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
937 int index = stackIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
938 if( index != -1 )
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
939 return new GetLocalVar(se,index);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
940 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
941 if( index != -1 )
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
942 return new GetUpVar(se,index);
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
943 return new IndexExpr( se, env(), new ConstExpr(name) );
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
944 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
945
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
946 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
947 int index = stackIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
948 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
949 return new SetLocalVar(index);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
950 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
951 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
952 return new SetUpVar(index);
157
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
953 return new SetTableEntry( se, env(), new ConstExpr(name) );
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
954 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
955 };
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
956 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
957
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
958 private Var exprVar(final Expressions expr) {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
959 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
960
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
961 public Expressions expr() {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
962 return expr;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
963 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
964
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
965 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
966 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
967 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
968 };
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
969 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
970
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
971 private Var indexVar(final int start,final Expr table,final Expr key) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
972 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
973
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
974 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
975 return new IndexExpr( se(start), table, key );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
976 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
977
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
978 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
979 return new SetTableEntry(se(start),table,key);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
980 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
981 };
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
982 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
983
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
984 private FnCall Args(In in,int start,Expr fn,List<Expressions> builder) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
985 parser.begin();
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
986 return args(in,builder)
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
987 ? parser.success( new FnCall( se(start), fn, ExpList.build(builder) ) )
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
988 : parser.failure((FnCall)null);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
989 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
990
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
991 private boolean args(In in,List<Expressions> builder) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
992 if( parser.match('(') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
993 In inParens = in.parens();
486a0641bca4 add pickle client/server;
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diff changeset
994 Spaces(inParens);
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diff changeset
995 ExpList(inParens,builder); // optional
107
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diff changeset
996 if( !parser.match(')') )
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diff changeset
997 throw parser.exception("Expression or ')' expected");
129
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diff changeset
998 Spaces(in);
107
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diff changeset
999 return true;
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1000 }
129
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1001 Expr exp = TableExpr(in);
107
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diff changeset
1002 if( exp != null ) {
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diff changeset
1003 builder.add(exp);
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diff changeset
1004 return true;
104
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1005 }
129
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diff changeset
1006 String s = StringLiteral(in);
107
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diff changeset
1007 if( s != null ) {
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diff changeset
1008 builder.add( new ConstExpr(s) );
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diff changeset
1009 return true;
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diff changeset
1010 }
157
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diff changeset
1011 Expressions exps = TemplateExpressions(in);
107
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diff changeset
1012 if( exps != null ) {
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diff changeset
1013 builder.add(exps);
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diff changeset
1014 return true;
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diff changeset
1015 }
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diff changeset
1016 return false;
11
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diff changeset
1017 }
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diff changeset
1018
129
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diff changeset
1019 private Expressions ExpList(In in) throws ParseException {
154
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diff changeset
1020 List<Expressions> builder = new ArrayList<Expressions>();
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diff changeset
1021 return ExpList(in,builder) ? ExpList.build(builder) : null;
104
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diff changeset
1022 }
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1023
154
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diff changeset
1024 private boolean ExpList(In in,List<Expressions> builder) throws ParseException {
104
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diff changeset
1025 parser.begin();
158
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diff changeset
1026 Expressions exp = TemplateExpressions(in);
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diff changeset
1027 if( exp != null ) {
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diff changeset
1028 builder.add(exp);
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diff changeset
1029 return parser.success();
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diff changeset
1030 }
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diff changeset
1031 exp = Expr(in);
104
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diff changeset
1032 if( exp==null )
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diff changeset
1033 return parser.failure();
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diff changeset
1034 builder.add(exp);
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diff changeset
1035 while( parser.match(',') ) {
129
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diff changeset
1036 Spaces(in);
158
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diff changeset
1037 exp = TemplateExpressions(in);
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diff changeset
1038 if( exp != null ) {
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diff changeset
1039 builder.add(exp);
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diff changeset
1040 return parser.success();
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diff changeset
1041 }
129
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diff changeset
1042 builder.add( RequiredExpr(in) );
104
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diff changeset
1043 }
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diff changeset
1044 return parser.success();
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1045 }
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diff changeset
1046
129
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diff changeset
1047 private Expr SubExpr(In in) throws ParseException {
104
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diff changeset
1048 parser.begin();
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parents: 99
diff changeset
1049 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1050 return parser.failure(null);
129
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diff changeset
1051 In inParens = in.parens();
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diff changeset
1052 Spaces(inParens);
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diff changeset
1053 Expr exp = expr(RequiredExpr(inParens));
104
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diff changeset
1054 RequiredMatch(']');
129
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diff changeset
1055 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1056 return parser.success(exp);
11
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
1057 }
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parents: 9
diff changeset
1058
129
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diff changeset
1059 private Expr NameExpr(In in) throws ParseException {
486a0641bca4 add pickle client/server;
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diff changeset
1060 String name = Name(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1061 return name==null ? null : new ConstExpr(name);
54
f5b27ef14d73 add OutputStmt
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parents: 51
diff changeset
1062 }
f5b27ef14d73 add OutputStmt
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parents: 51
diff changeset
1063
129
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diff changeset
1064 private String RequiredName(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1065 parser.begin();
129
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diff changeset
1066 String name = Name(in);
104
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1067 if( name==null )
139
3b384dc5ca91 replace WebShell.java with web_shell.luan
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diff changeset
1068 throw parser.exception("Name expected");
104
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diff changeset
1069 return parser.success(name);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1070 }
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diff changeset
1071
129
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diff changeset
1072 private String Name(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1073 int start = parser.begin();
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parents: 99
diff changeset
1074 if( !NameFirstChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1075 return parser.failure(null);
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parents: 99
diff changeset
1076 while( NameChar() );
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parents: 99
diff changeset
1077 String match = parser.textFrom(start);
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parents: 99
diff changeset
1078 if( keywords.contains(match) )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1079 return parser.failure(null);
129
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diff changeset
1080 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1081 return parser.success(match);
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
1082 }
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parents: 16
diff changeset
1083
104
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parents: 99
diff changeset
1084 private boolean NameChar() {
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parents: 99
diff changeset
1085 return NameFirstChar() || Digit();
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parents: 99
diff changeset
1086 }
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parents: 99
diff changeset
1087
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parents: 99
diff changeset
1088 private boolean NameFirstChar() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1089 return parser.inCharRange('a', 'z') || parser.inCharRange('A', 'Z') || parser.match('_');
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parents: 99
diff changeset
1090 }
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parents: 99
diff changeset
1091
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1092 private void RequiredMatch(char c) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1093 if( !parser.match(c) )
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diff changeset
1094 throw parser.exception("'"+c+"' expected");
9
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diff changeset
1095 }
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diff changeset
1096
104
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diff changeset
1097 private void RequiredMatch(String s) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1098 if( !parser.match(s) )
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parents: 99
diff changeset
1099 throw parser.exception("'"+s+"' expected");
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diff changeset
1100 }
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diff changeset
1101
129
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diff changeset
1102 private void RequiredKeyword(String keyword,In in) throws ParseException {
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1103 if( !Keyword(keyword,in) )
104
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diff changeset
1104 throw parser.exception("'"+keyword+"' expected");
9
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diff changeset
1105 }
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1106
129
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diff changeset
1107 private boolean Keyword(String keyword,In in) throws ParseException {
104
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diff changeset
1108 parser.begin();
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parents: 99
diff changeset
1109 if( !parser.match(keyword) || NameChar() )
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diff changeset
1110 return parser.failure();
129
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diff changeset
1111 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1112 return parser.success();
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1113 }
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diff changeset
1114
104
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diff changeset
1115 private static final Set<String> keywords = new HashSet<String>(Arrays.asList(
12
9cea1aea5eef CmdLine can run files
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diff changeset
1116 "and",
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parents: 11
diff changeset
1117 "break",
42
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diff changeset
1118 "catch",
12
9cea1aea5eef CmdLine can run files
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diff changeset
1119 "do",
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parents: 11
diff changeset
1120 "else",
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parents: 11
diff changeset
1121 "elseif",
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parents: 11
diff changeset
1122 "end",
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parents: 11
diff changeset
1123 "false",
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parents: 11
diff changeset
1124 "for",
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parents: 11
diff changeset
1125 "function",
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parents: 11
diff changeset
1126 "goto",
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diff changeset
1127 "if",
108
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diff changeset
1128 "import",
12
9cea1aea5eef CmdLine can run files
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diff changeset
1129 "in",
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parents: 11
diff changeset
1130 "local",
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parents: 11
diff changeset
1131 "nil",
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parents: 11
diff changeset
1132 "not",
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parents: 11
diff changeset
1133 "or",
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parents: 11
diff changeset
1134 "repeat",
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parents: 11
diff changeset
1135 "return",
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parents: 11
diff changeset
1136 "then",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1137 "true",
42
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parents: 40
diff changeset
1138 "try",
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1139 "until",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1140 "while"
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1141 ));
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parents: 11
diff changeset
1142
129
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diff changeset
1143 private Expr Literal(In in) throws ParseException {
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parents: 128
diff changeset
1144 if( NilLiteral(in) )
104
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diff changeset
1145 return new ConstExpr(null);
129
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diff changeset
1146 Boolean b = BooleanLiteral(in);
104
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diff changeset
1147 if( b != null )
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parents: 99
diff changeset
1148 return new ConstExpr(b);
129
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diff changeset
1149 Number n = NumberLiteral(in);
104
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diff changeset
1150 if( n != null )
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parents: 99
diff changeset
1151 return new ConstExpr(n);
129
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diff changeset
1152 String s = StringLiteral(in);
104
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diff changeset
1153 if( s != null )
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parents: 99
diff changeset
1154 return new ConstExpr(s);
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parents: 99
diff changeset
1155 return null;
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1156 }
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parents:
diff changeset
1157
129
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diff changeset
1158 private boolean NilLiteral(In in) throws ParseException {
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diff changeset
1159 return Keyword("nil",in);
65
1ff53a88579a multi-line statements
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parents: 60
diff changeset
1160 }
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parents: 60
diff changeset
1161
129
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diff changeset
1162 private Boolean BooleanLiteral(In in) throws ParseException {
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diff changeset
1163 if( Keyword("true",in) )
104
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diff changeset
1164 return true;
129
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diff changeset
1165 if( Keyword("false",in) )
104
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diff changeset
1166 return false;
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parents: 99
diff changeset
1167 return null;
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1168 }
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diff changeset
1169
129
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diff changeset
1170 private Number NumberLiteral(In in) throws ParseException {
104
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diff changeset
1171 parser.begin();
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parents: 99
diff changeset
1172 Number n;
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parents: 99
diff changeset
1173 if( parser.matchIgnoreCase("0x") ) {
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parents: 99
diff changeset
1174 n = HexNumber();
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parents: 99
diff changeset
1175 } else {
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parents: 99
diff changeset
1176 n = DecNumber();
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parents: 99
diff changeset
1177 }
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parents: 99
diff changeset
1178 if( n==null || NameChar() )
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diff changeset
1179 return parser.failure(null);
129
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diff changeset
1180 Spaces(in);
104
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diff changeset
1181 return parser.success(n);
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parents: 99
diff changeset
1182 }
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parents: 99
diff changeset
1183
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parents: 99
diff changeset
1184 private Number DecNumber() {
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parents: 99
diff changeset
1185 int start = parser.begin();
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parents: 99
diff changeset
1186 if( Int() ) {
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parents: 99
diff changeset
1187 if( parser.match('.') )
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parents: 99
diff changeset
1188 Int(); // optional
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parents: 99
diff changeset
1189 } else if( parser.match('.') && Int() ) {
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parents: 99
diff changeset
1190 // ok
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parents: 99
diff changeset
1191 } else
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parents: 99
diff changeset
1192 return parser.failure(null);
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parents: 99
diff changeset
1193 Exponent(); // optional
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diff changeset
1194 return parser.success(Double.valueOf(parser.textFrom(start)));
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1195 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1196
104
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parents: 99
diff changeset
1197 private boolean Exponent() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1198 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1199 if( !parser.matchIgnoreCase("e") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1200 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1201 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1202 if( !Int() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1203 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1204 return parser.success();
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1205 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1206
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1207 private boolean Int() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1208 if( !Digit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1209 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1210 while( Digit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1211 return true;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1212 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1213
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1214 private boolean Digit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1215 return parser.inCharRange('0', '9');
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1216 }
2a30281ef47c finish number literals;
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parents: 15
diff changeset
1217
104
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parents: 99
diff changeset
1218 private Number HexNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1219 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1220 double n;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1221 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1222 n = (double)Long.parseLong(parser.textFrom(start),16);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1223 if( parser.match('.') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1224 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1225 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1226 String dec = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1227 n += (double)Long.parseLong(dec,16) / Math.pow(16,dec.length());
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1228 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1229 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1230 } else if( parser.match('.') && HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1231 String dec = parser.textFrom(start+1);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1232 n = (double)Long.parseLong(dec,16) / Math.pow(16,dec.length());
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1233 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1234 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1235 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1236 if( parser.matchIgnoreCase("p") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1237 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1238 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1239 if( !HexInt() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1240 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1241 n *= Math.pow(2,(double)Long.parseLong(parser.textFrom(start)));
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1242 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1243 return parser.success(Double.valueOf(n));
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1244 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1245
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1246 private boolean HexInt() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1247 if( !HexDigit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1248 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1249 while( HexDigit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1250 return true;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1251 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1252
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1253
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1254 private boolean HexDigit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1255 return Digit() || parser.anyOf("abcdefABCDEF");
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1256 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1257
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1258 private String StringLiteral(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1259 String s;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1260 if( (s=QuotedString('"'))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1261 && (s=QuotedString('\''))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1262 && (s=LongString())==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1263 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1264 return null;
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1265 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1266 return s;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1267 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1268
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1269 private String LongString() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1270 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1271 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1272 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1273 int start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1274 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1275 int nEquals = parser.currentIndex() - start;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1276 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1277 return parser.failure(null);
120
8d7730a5e3b4 move standalone logic from Java to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 118
diff changeset
1278 EndOfLine();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1279 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1280 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1281 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1282 throw parser.exception("Unclosed long string");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1283 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1284 String s = parser.text.substring( start, parser.currentIndex() - nEquals - 2 );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1285 return parser.success(s);
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1286 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1287
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1288 private String QuotedString(char quote) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1289 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1290 if( !parser.match(quote) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1291 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1292 StringBuilder buf = new StringBuilder();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1293 while( !parser.match(quote) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1294 Character c = EscSeq();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1295 if( c != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1296 buf.append(c);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1297 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1298 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1299 throw parser.exception("Unclosed string");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1300 buf.append(parser.lastChar());
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1301 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1302 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1303 return parser.success(buf.toString());
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1304 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1305
104
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parents: 99
diff changeset
1306 private Character EscSeq() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1307 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1308 if( !parser.match('\\') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1309 return parser.failure(null);
155
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1310 if( parser.match('a') ) return parser.success('\u0007');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1311 if( parser.match('b') ) return parser.success('\b');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1312 if( parser.match('f') ) return parser.success('\f');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1313 if( parser.match('n') ) return parser.success('\n');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1314 if( parser.match('r') ) return parser.success('\r');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1315 if( parser.match('t') ) return parser.success('\t');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1316 if( parser.match('v') ) return parser.success('\u000b');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1317 if( parser.match('\\') ) return parser.success('\\');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1318 if( parser.match('"') ) return parser.success('"');
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1319 if( parser.match('\'') ) return parser.success('\'');
104
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parents: 99
diff changeset
1320 int start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1321 if( parser.match('x') && HexDigit() && HexDigit() )
155
db7b3902e01c fix parsing problems
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1322 return parser.success((char)Integer.parseInt(parser.textFrom(start+1),16));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1323 if( Digit() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1324 if( Digit() ) Digit(); // optional
155
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1325 return parser.success((char)Integer.parseInt(parser.textFrom(start)));
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1326 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1327 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1328 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1329
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1330 private void Spaces(In in) throws ParseException {
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1331 while( parser.anyOf(" \t") || Comment() || ContinueOnNextLine() || in.parens && NewLine() );
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1332 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1333
104
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parents: 99
diff changeset
1334 private boolean ContinueOnNextLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1335 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1336 return parser.match('\\') && EndOfLine() ? parser.success() : parser.failure();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1337 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1338
104
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parents: 99
diff changeset
1339 private boolean NewLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1340 if( !EndOfLine() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1341 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1342 if( parser.match("--") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1343 while( parser.noneOf("\r\n") );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1344 }
18
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1345 return true;
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1346 }
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1347
104
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parents: 99
diff changeset
1348 private boolean Comment() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1349 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1350 if( !parser.match("--[") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1351 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1352 int start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1353 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1354 int nEquals = parser.currentIndex() - start;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1355 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1356 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1357 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1358 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1359 throw parser.exception("Unclosed comment");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1360 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1361 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1362 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1363
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1364 private boolean LongBracketsEnd(int nEquals) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1365 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1366 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1367 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1368 while( nEquals-- > 0 ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1369 if( !parser.match('=') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1370 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1371 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1372 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1373 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1374 return parser.success();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1375 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1376
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1377 }