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annotate src/luan/interp/LuanParser.java @ 159:0abc9181061a

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revert rev 154 but only allow FnCall, AndExpr, or OrExpr in ExpressionsStmt git-svn-id: https://luan-java.googlecode.com/svn/trunk@160 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 19 Jun 2014 04:40:12 +0000
parents cced1c4d3575
children 94bbc4cbc106
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rev   line source
5
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1 package luan.interp;
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2
12
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3 import java.util.Set;
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4 import java.util.HashSet;
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5 import java.util.Arrays;
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6 import java.util.List;
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7 import java.util.ArrayList;
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8 import java.util.Scanner;
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9 import luan.Luan;
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10 import luan.LuanState;
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11 import luan.LuanSource;
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12 import luan.parser.Parser;
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13 import luan.parser.ParseException;
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9ef0fd711101 start LuaParser
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14
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16 final class LuanParser {
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18 private static final class Frame {
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19 final Frame parent;
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20 final List<String> symbols = new ArrayList<String>();
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21 int stackSize = 0;
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22 int loops = 0;
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23 boolean isVarArg = false;
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24 final List<String> upValueSymbols = new ArrayList<String>();
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25 final List<UpValue.Getter> upValueGetters = new ArrayList<UpValue.Getter>();
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27 Frame(UpValue.Getter envGetter) {
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28 this.parent = null;
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29 upValueSymbols.add(_ENV);
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30 upValueGetters.add(envGetter);
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31 }
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32
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33 Frame(Frame parent) {
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34 this.parent = parent;
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35 if( upValueIndex(_ENV) != 0 )
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36 throw new RuntimeException();
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37 }
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38
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39 int stackIndex(String name) {
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40 int i = symbols.size();
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41 while( --i >= 0 ) {
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42 if( symbols.get(i).equals(name) )
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43 return i;
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44 }
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45 return -1;
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46 }
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47
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48 int upValueIndex(String name) {
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49 int i = upValueSymbols.size();
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50 while( --i >= 0 ) {
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51 if( upValueSymbols.get(i).equals(name) )
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52 return i;
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53 }
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54 if( parent==null )
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55 return -1;
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56 i = parent.stackIndex(name);
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57 if( i != -1 ) {
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58 upValueGetters.add(new UpValue.StackGetter(i));
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59 } else {
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60 i = parent.upValueIndex(name);
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61 if( i == -1 )
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62 return -1;
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63 upValueGetters.add(new UpValue.NestedGetter(i));
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64 }
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65 upValueSymbols.add(name);
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66 return upValueSymbols.size() - 1;
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67 }
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69 void addUpValueGetter(String name,UpValue.Getter upValueGetter) {
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70 upValueSymbols.add(name);
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71 upValueGetters.add(upValueGetter);
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72 }
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73 }
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74
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75 private static class In {
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76 static final In NOTHING = new In(false,false);
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77
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78 final boolean parens;
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79 final boolean template;
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80
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81 private In(boolean parens,boolean template) {
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82 this.parens = parens;
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83 this.template = template;
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84 }
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85
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86 In parens() {
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87 return parens ? this : new In(true,template);
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88 }
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89
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90 In template() {
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91 return template ? this : new In(parens,true);
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92 }
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93 }
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94
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95 private static final String _ENV = "_ENV";
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96 private static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0];
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97
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98 final LuanSource source;
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99 private Frame frame;
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100 private final Parser parser;
108
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101 private final boolean interactive;
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102
108
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103 LuanParser(LuanSource source,UpValue.Getter envGetter) {
86
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104 this.source = source;
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105 this.frame = new Frame(envGetter);
118
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106 this.parser = new Parser(source);
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107 this.interactive = envGetter instanceof UpValue.ValueGetter;
108
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108 }
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109
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110 void addVar(String name,Object value) {
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111 frame.addUpValueGetter(name,new UpValue.ValueGetter(value));
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112 }
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113
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114 private LuanSource.Element se(int start) {
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115 return new LuanSource.Element(source,start,parser.currentIndex());
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116 }
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117
104
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118 private List<String> symbols() {
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119 return frame.symbols;
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120 }
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121
104
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122 private int symbolsSize() {
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123 return frame.symbols.size();
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124 }
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125
104
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126 private void addSymbol(String name) {
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127 frame.symbols.add(name);
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128 if( frame.stackSize < symbolsSize() )
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129 frame.stackSize = symbolsSize();
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130 }
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131
104
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132 private void addSymbols(List<String> names) {
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133 frame.symbols.addAll(names);
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134 if( frame.stackSize < symbolsSize() )
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135 frame.stackSize = symbolsSize();
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136 }
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137
104
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138 private int stackIndex(String name) {
32
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139 return frame.stackIndex(name);
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140 }
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141
104
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142 private void popSymbols(int n) {
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143 List<String> symbols = frame.symbols;
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144 while( n-- > 0 ) {
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145 symbols.remove(symbols.size()-1);
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146 }
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147 }
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148
104
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149 private int upValueIndex(String name) {
32
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150 return frame.upValueIndex(name);
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151 }
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152
104
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153 private void incLoops() {
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154 frame.loops++;
104
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155 }
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156
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157 private void decLoops() {
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158 frame.loops--;
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159 }
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160
104
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161 private <T> T required(T t) throws ParseException {
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162 if( t==null )
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163 throw parser.exception();
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164 return t;
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165 }
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166
104
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167 private <T> T required(T t,String msg) throws ParseException {
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168 if( t==null )
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169 throw parser.exception(msg);
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170 return t;
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171 }
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172
154
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173 private static Expr expr(Expressions exprs) {
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174 if( exprs instanceof Expr )
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175 return (Expr)exprs;
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176 return new ExpressionsExpr(exprs);
107
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177 }
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178
104
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179 private FnDef newFnDef(int start,Stmt stmt) {
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180 return new FnDef( se(start), stmt, frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) );
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181 }
20
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182
158
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183 FnDef Expression() throws ParseException {
129
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184 Spaces(In.NOTHING);
104
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185 int start = parser.begin();
158
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186 Expressions expr = Expr(In.NOTHING);
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187 if( expr != null && parser.endOfInput() ) {
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188 Stmt stmt = new ReturnStmt( se(start), expr );
104
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189 return parser.success(newFnDef(start,stmt));
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190 }
108
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191 return parser.failure(null);
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192 }
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193
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194 FnDef RequiredModule() throws ParseException {
129
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195 Spaces(In.NOTHING);
108
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196 int start = parser.begin();
104
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197 frame.isVarArg = true;
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198 Stmt stmt = RequiredBlock();
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199 if( parser.endOfInput() )
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200 return parser.success(newFnDef(start,stmt));
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201 throw parser.exception();
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202 }
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203
104
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204 private Stmt RequiredBlock() throws ParseException {
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205 List<Stmt> stmts = new ArrayList<Stmt>();
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206 int stackStart = symbolsSize();
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207 Stmt(stmts);
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208 while( StmtSep(stmts) ) {
129
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209 Spaces(In.NOTHING);
104
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210 Stmt(stmts);
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211 }
21
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212 int stackEnd = symbolsSize();
19
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213 popSymbols( stackEnd - stackStart );
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214 if( stmts.isEmpty() )
12
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215 return Stmt.EMPTY;
19
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216 if( stmts.size()==1 && stackStart==stackEnd )
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217 return stmts.get(0);
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218 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd );
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219 }
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220
104
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221 private boolean StmtSep(List<Stmt> stmts) throws ParseException {
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222 parser.begin();
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223 if( parser.match( ';' ) )
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224 return parser.success();
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225 if( parser.match( "--" ) ) {
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226 while( parser.noneOf("\r\n") );
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227 }
157
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228 if( EndOfLine() )
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229 return parser.success();
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230 parser.rollback();
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231 Stmt stmt = TemplateStmt();
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232 if( stmt != null ) {
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233 stmts.add(stmt);
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234 return parser.success();
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235 }
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236 return parser.failure();
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237 }
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238
104
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239 private boolean EndOfLine() {
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240 return parser.match( "\r\n" ) || parser.match( '\r' ) || parser.match( '\n' );
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241 }
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242
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243 private void Stmt(List<Stmt> stmts) throws ParseException {
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244 if( LocalStmt(stmts) )
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245 return;
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246 Stmt stmt;
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247 if( (stmt=ReturnStmt()) != null
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248 || (stmt=FunctionStmt()) != null
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249 || (stmt=LocalFunctionStmt()) != null
108
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250 || (stmt=ImportStmt()) != null
104
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251 || (stmt=BreakStmt()) != null
127
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252 || (stmt=ForStmt()) != null
104
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253 || (stmt=TryStmt()) != null
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254 || (stmt=DoStmt()) != null
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255 || (stmt=WhileStmt()) != null
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256 || (stmt=FunctionStmt()) != null
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257 || (stmt=RepeatStmt()) != null
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258 || (stmt=IfStmt()) != null
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259 || (stmt=SetStmt()) != null
159
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260 || (stmt=ExpressionsStmt()) != null
104
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diff changeset
261 ) {
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262 stmts.add(stmt);
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263 }
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264 }
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265
157
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266 private Stmt TemplateStmt() throws ParseException {
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267 int start = parser.currentIndex();
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268 Expressions exp = TemplateExpressions(In.NOTHING);
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269 if( exp == null )
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270 return null;
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271 Expr fnExp = (Expr)nameVar(start,"Io").expr();
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272 fnExp = new IndexExpr( se(start), fnExp, new ConstExpr("stdout") );
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273 fnExp = new IndexExpr( se(start), fnExp, new ConstExpr("write") );
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274 FnCall fnCall = new FnCall( se(start), fnExp, exp );
159
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275 return new ExpressionsStmt(fnCall);
157
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276 }
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277
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278 private Expressions TemplateExpressions(In in) throws ParseException {
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diff changeset
279 if( in.template )
129
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280 return null;
104
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281 int start = parser.begin();
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282 if( !parser.match( "%>" ) )
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283 return parser.failure(null);
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284 EndOfLine();
157
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285 In inTemplate = in.template();
154
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286 List<Expressions> builder = new ArrayList<Expressions>();
104
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diff changeset
287 while(true) {
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288 if( parser.match( "<%=" ) ) {
157
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diff changeset
289 Spaces(inTemplate);
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290 builder.add( RequiredExpr(inTemplate) );
104
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291 RequiredMatch( "%>" );
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292 } else if( parser.match( "<%" ) ) {
157
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diff changeset
293 Spaces(inTemplate);
154
c2e5101682ae Expr extends Expressions
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294 return parser.success(ExpList.build(builder));
104
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295 } else {
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296 int i = parser.currentIndex();
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diff changeset
297 do {
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diff changeset
298 if( parser.match( "%>" ) )
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299 throw parser.exception("'%>' unexpected");
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300 if( !parser.anyChar() )
157
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301 throw parser.exception("Unclosed template expression");
104
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302 } while( !parser.test( "<%" ) );
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303 String match = parser.textFrom(i);
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304 builder.add( new ConstExpr(match) );
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305 }
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306 }
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307 }
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308
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309 private Stmt ReturnStmt() throws ParseException {
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310 int start = parser.begin();
129
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311 if( !Keyword("return",In.NOTHING) )
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312 return parser.failure(null);
129
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313 Expressions exprs = ExpList(In.NOTHING);
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314 if( exprs==null )
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315 exprs = ExpList.emptyExpList;
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316 return parser.success( new ReturnStmt(se(start),exprs) );
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317 }
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318
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319 private Stmt FunctionStmt() throws ParseException {
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320 parser.begin();
129
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321 if( !Keyword("function",In.NOTHING) )
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322 return parser.failure(null);
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323
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324 int start = parser.currentIndex();
129
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325 Var var = nameVar(start,RequiredName(In.NOTHING));
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326 while( parser.match( '.' ) ) {
129
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327 Spaces(In.NOTHING);
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328 var = indexVar( start, expr(var.expr()), NameExpr(In.NOTHING) );
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329 }
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330 Settable fnName = var.settable();
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331
129
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332 FnDef fnDef = RequiredFunction(In.NOTHING);
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333 return parser.success( new SetStmt(fnName,fnDef) );
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334 }
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335
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336 private Stmt LocalFunctionStmt() throws ParseException {
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337 parser.begin();
129
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338 if( !(Keyword("local",In.NOTHING) && Keyword("function",In.NOTHING)) )
104
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339 return parser.failure(null);
129
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340 String name = RequiredName(In.NOTHING);
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341 addSymbol( name );
129
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342 FnDef fnDef = RequiredFunction(In.NOTHING);
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343 return parser.success( new SetStmt( new SetLocalVar(symbolsSize()-1), fnDef ) );
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344 }
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345
108
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346 private Stmt ImportStmt() throws ParseException {
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347 int start = parser.begin();
129
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348 if( !Keyword("import",In.NOTHING) )
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349 return parser.failure(null);
124
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350 Expr importExpr = (Expr)nameVar(start,"require").expr();
129
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351 String modName = StringLiteral(In.NOTHING);
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352 if( modName==null )
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353 return parser.failure(null);
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354 String varName = modName.substring(modName.lastIndexOf('.')+1);
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355 LuanSource.Element se = se(start);
154
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356 FnCall require = new FnCall( se, importExpr, new ConstExpr(modName) );
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357 Settable settable;
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358 if( interactive ) {
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359 settable = nameVar(se,varName).settable();
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360 } else {
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361 addSymbol( varName );
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362 settable = new SetLocalVar(symbolsSize()-1);
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363 }
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364 return parser.success( new SetStmt( settable, expr(require) ) );
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365 }
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366
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367 private Stmt BreakStmt() throws ParseException {
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368 parser.begin();
129
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369 if( !Keyword("break",In.NOTHING) )
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370 return parser.failure(null);
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371 if( frame.loops <= 0 )
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372 throw parser.exception("'break' outside of loop");
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373 return parser.success( new BreakStmt() );
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374 }
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375
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376 private Stmt ForStmt() throws ParseException {
104
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377 int start = parser.begin();
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378 int stackStart = symbolsSize();
129
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379 if( !Keyword("for",In.NOTHING) )
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380 return parser.failure(null);
129
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381 List<String> names = RequiredNameList(In.NOTHING);
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382 if( !Keyword("in",In.NOTHING) )
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383 return parser.failure(null);
129
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384 Expr expr = expr(RequiredExpr(In.NOTHING));
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385 RequiredKeyword("do",In.NOTHING);
104
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386 addSymbols(names);
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387 Stmt loop = RequiredLoopBlock();
129
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388 RequiredKeyword("end",In.NOTHING);
127
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389 Stmt stmt = new ForStmt( se(start), stackStart, symbolsSize() - stackStart, expr, loop );
104
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390 popSymbols( symbolsSize() - stackStart );
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391 return parser.success(stmt);
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392 }
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393
104
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394 private Stmt TryStmt() throws ParseException {
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395 parser.begin();
129
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396 if( !Keyword("try",In.NOTHING) )
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397 return parser.failure(null);
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398 Stmt tryBlock = RequiredBlock();
129
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399 RequiredKeyword("catch",In.NOTHING);
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400 String name = RequiredName(In.NOTHING);
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401 addSymbol(name);
129
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402 RequiredKeyword("do",In.NOTHING);
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403 Stmt catchBlock = RequiredBlock();
129
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404 RequiredKeyword("end",In.NOTHING);
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405 Stmt stmt = new TryStmt( tryBlock, symbolsSize()-1, catchBlock );
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diff changeset
406 popSymbols(1);
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407 return parser.success(stmt);
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408 }
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diff changeset
409
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diff changeset
410 private Stmt DoStmt() throws ParseException {
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411 parser.begin();
129
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412 if( !Keyword("do",In.NOTHING) )
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413 return parser.failure(null);
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414 Stmt stmt = RequiredBlock();
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415 RequiredKeyword("end",In.NOTHING);
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416 return parser.success(stmt);
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417 }
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418
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419 private boolean LocalStmt(List<Stmt> stmts) throws ParseException {
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420 parser.begin();
129
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421 if( !Keyword("local",In.NOTHING) )
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422 return parser.failure();
129
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423 List<String> names = NameList(In.NOTHING);
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424 if( names==null )
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diff changeset
425 return parser.failure();
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426 if( parser.match( '=' ) ) {
129
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427 Spaces(In.NOTHING);
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428 Expressions values = ExpList(In.NOTHING);
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diff changeset
429 if( values==null )
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430 throw parser.exception("Expressions expected");
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431 SetLocalVar[] vars = new SetLocalVar[names.size()];
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432 int stackStart = symbolsSize();
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433 for( int i=0; i<vars.length; i++ ) {
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434 vars[i] = new SetLocalVar(stackStart+i);
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435 }
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diff changeset
436 stmts.add( new SetStmt( vars, values ) );
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437 }
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diff changeset
438 addSymbols(names);
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diff changeset
439 return parser.success();
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440 }
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441
129
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442 private List<String> RequiredNameList(In in) throws ParseException {
104
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443 parser.begin();
129
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444 List<String> names = NameList(in);
104
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445 if( names==null )
139
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446 throw parser.exception("Name expected");
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447 return parser.success(names);
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448 }
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449
129
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450 private List<String> NameList(In in) throws ParseException {
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451 String name = Name(in);
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diff changeset
452 if( name==null )
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453 return null;
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diff changeset
454 List<String> names = new ArrayList<String>();
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455 names.add(name);
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diff changeset
456 while( (name=anotherName(in)) != null ) {
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457 names.add(name);
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458 }
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459 return names;
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diff changeset
460 }
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diff changeset
461
139
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diff changeset
462 private String anotherName(In in) throws ParseException {
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diff changeset
463 parser.begin();
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diff changeset
464 if( !parser.match( ',' ) )
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diff changeset
465 return parser.failure(null);
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diff changeset
466 Spaces(in);
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diff changeset
467 String name = Name(in);
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diff changeset
468 if( name==null )
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diff changeset
469 return parser.failure(null);
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diff changeset
470 return parser.success(name);
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diff changeset
471 }
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diff changeset
472
104
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diff changeset
473 private Stmt WhileStmt() throws ParseException {
151
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diff changeset
474 int start = parser.begin();
129
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diff changeset
475 if( !Keyword("while",In.NOTHING) )
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diff changeset
476 return parser.failure(null);
129
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diff changeset
477 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
478 RequiredKeyword("do",In.NOTHING);
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479 Stmt loop = RequiredLoopBlock();
129
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480 RequiredKeyword("end",In.NOTHING);
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diff changeset
481 return parser.success( new WhileStmt(se(start),cnd,loop) );
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diff changeset
482 }
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diff changeset
483
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diff changeset
484 private Stmt RepeatStmt() throws ParseException {
151
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diff changeset
485 int start = parser.begin();
129
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diff changeset
486 if( !Keyword("repeat",In.NOTHING) )
104
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diff changeset
487 return parser.failure(null);
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diff changeset
488 Stmt loop = RequiredLoopBlock();
129
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diff changeset
489 RequiredKeyword("until",In.NOTHING);
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diff changeset
490 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
491 return parser.success( new RepeatStmt(se(start),loop,cnd) );
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diff changeset
492 }
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diff changeset
493
104
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diff changeset
494 private Stmt RequiredLoopBlock() throws ParseException {
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diff changeset
495 incLoops();
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diff changeset
496 Stmt stmt = RequiredBlock();
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diff changeset
497 decLoops();
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diff changeset
498 return stmt;
21
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diff changeset
499 }
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diff changeset
500
104
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diff changeset
501 private Stmt IfStmt() throws ParseException {
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diff changeset
502 parser.begin();
129
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diff changeset
503 if( !Keyword("if",In.NOTHING) )
104
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diff changeset
504 return parser.failure(null);
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parents: 99
diff changeset
505 return parser.success( IfStmt2() );
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
506 }
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diff changeset
507
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diff changeset
508 private Stmt IfStmt2() throws ParseException {
151
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diff changeset
509 int start = parser.currentIndex();
129
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diff changeset
510 Expr cnd = expr(RequiredExpr(In.NOTHING));
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diff changeset
511 RequiredKeyword("then",In.NOTHING);
104
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diff changeset
512 Stmt thenBlock = RequiredBlock();
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diff changeset
513 Stmt elseBlock;
129
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diff changeset
514 if( Keyword("elseif",In.NOTHING) ) {
104
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diff changeset
515 elseBlock = IfStmt2();
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diff changeset
516 } else {
129
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diff changeset
517 elseBlock = Keyword("else",In.NOTHING) ? RequiredBlock() : Stmt.EMPTY;
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diff changeset
518 RequiredKeyword("end",In.NOTHING);
104
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diff changeset
519 }
151
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parents: 149
diff changeset
520 return new IfStmt(se(start),cnd,thenBlock,elseBlock);
20
d85510d92eee add BreakStmt
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parents: 19
diff changeset
521 }
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diff changeset
522
104
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diff changeset
523 private Stmt SetStmt() throws ParseException {
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parents: 99
diff changeset
524 parser.begin();
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parents: 99
diff changeset
525 List<Settable> vars = new ArrayList<Settable>();
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diff changeset
526 Settable s = SettableVar();
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parents: 99
diff changeset
527 if( s == null )
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parents: 99
diff changeset
528 return parser.failure(null);
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parents: 99
diff changeset
529 vars.add(s);
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parents: 99
diff changeset
530 while( parser.match( ',' ) ) {
129
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diff changeset
531 Spaces(In.NOTHING);
104
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parents: 99
diff changeset
532 s = SettableVar();
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parents: 99
diff changeset
533 if( s == null )
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parents: 99
diff changeset
534 return parser.failure(null);
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parents: 99
diff changeset
535 vars.add(s);
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parents: 99
diff changeset
536 }
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parents: 99
diff changeset
537 if( !parser.match( '=' ) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
538 return parser.failure(null);
129
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diff changeset
539 Spaces(In.NOTHING);
486a0641bca4 add pickle client/server;
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diff changeset
540 Expressions values = ExpList(In.NOTHING);
104
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parents: 99
diff changeset
541 if( values==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
542 throw parser.exception("Expressions expected");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
543 return parser.success( new SetStmt( vars.toArray(new Settable[0]), values ) );
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parents: 99
diff changeset
544 }
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parents: 99
diff changeset
545
159
0abc9181061a revert rev 154 but only allow FnCall, AndExpr, or OrExpr in ExpressionsStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 158
diff changeset
546 private Stmt ExpressionsStmt() throws ParseException {
104
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parents: 99
diff changeset
547 parser.begin();
159
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parents: 158
diff changeset
548 Expressions exp = Expr(In.NOTHING);
0abc9181061a revert rev 154 but only allow FnCall, AndExpr, or OrExpr in ExpressionsStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 158
diff changeset
549 if( exp instanceof FnCall || exp instanceof AndExpr || exp instanceof OrExpr )
0abc9181061a revert rev 154 but only allow FnCall, AndExpr, or OrExpr in ExpressionsStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 158
diff changeset
550 return parser.success( new ExpressionsStmt(exp) );
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parents: 158
diff changeset
551 return parser.failure(null);
104
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parents: 99
diff changeset
552 }
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parents: 99
diff changeset
553
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parents: 99
diff changeset
554 private Settable SettableVar() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
555 int start = parser.begin();
129
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diff changeset
556 Var var = VarZ(In.NOTHING);
104
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parents: 99
diff changeset
557 if( var==null )
155
db7b3902e01c fix parsing problems
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parents: 154
diff changeset
558 return parser.failure(null);
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parents: 154
diff changeset
559 return parser.success( var.settable() );
104
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parents: 99
diff changeset
560 }
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parents: 99
diff changeset
561
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
562 private Expressions RequiredExpr(In in) throws ParseException {
129
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parents: 128
diff changeset
563 parser.begin();
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parents: 128
diff changeset
564 return parser.success(required(Expr(in),"Bad expression"));
104
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parents: 99
diff changeset
565 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
566
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
567 private Expressions Expr(In in) throws ParseException {
104
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parents: 99
diff changeset
568 parser.begin();
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
569 Expressions exp;
129
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parents: 128
diff changeset
570 return (exp = VarArgs(in)) != null
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
571 || (exp = OrExpr(in)) != null
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
572 ? parser.success(exp)
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
573 : parser.failure((Expressions)null)
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
574 ;
19
a7c13c6017f7 add GenericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 18
diff changeset
575 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 18
diff changeset
576
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
577 private Expressions OrExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
578 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
579 Expressions exp = AndExpr(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
580 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
581 return parser.failure(null);
129
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parents: 128
diff changeset
582 while( Keyword("or",in) ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
583 exp = new OrExpr( se(start), expr(exp), required(expr(AndExpr(in))) );
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
584 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
585 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
586 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
587
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
588 private Expressions AndExpr(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
589 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
590 Expressions exp = RelExpr(in);
104
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parents: 99
diff changeset
591 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
592 return parser.failure(null);
129
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parents: 128
diff changeset
593 while( Keyword("and",in) ) {
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diff changeset
594 exp = new AndExpr( se(start), expr(exp), required(expr(RelExpr(in))) );
104
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diff changeset
595 }
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diff changeset
596 return parser.success(exp);
18
3971113699b8 add NumericForStmt
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diff changeset
597 }
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diff changeset
598
154
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parents: 153
diff changeset
599 private Expressions RelExpr(In in) throws ParseException {
104
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600 int start = parser.begin();
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diff changeset
601 Expressions exp = ConcatExpr(in);
104
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diff changeset
602 if( exp==null )
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diff changeset
603 return parser.failure(null);
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parents: 99
diff changeset
604 while(true) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
605 if( parser.match("==") ) {
129
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diff changeset
606 Spaces(in);
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parents: 128
diff changeset
607 exp = new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
608 } else if( parser.match("~=") ) {
129
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parents: 128
diff changeset
609 Spaces(in);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
610 exp = new NotExpr( se(start), new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) ) );
104
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parents: 99
diff changeset
611 } else if( parser.match("<=") ) {
129
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diff changeset
612 Spaces(in);
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diff changeset
613 exp = new LeExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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parents: 99
diff changeset
614 } else if( parser.match(">=") ) {
129
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diff changeset
615 Spaces(in);
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parents: 128
diff changeset
616 exp = new LeExpr( se(start), required(expr(ConcatExpr(in))), expr(exp) );
104
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parents: 99
diff changeset
617 } else if( parser.match("<") ) {
129
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diff changeset
618 Spaces(in);
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parents: 128
diff changeset
619 exp = new LtExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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parents: 99
diff changeset
620 } else if( parser.match(">") ) {
129
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diff changeset
621 Spaces(in);
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parents: 128
diff changeset
622 exp = new LtExpr( se(start), required(expr(ConcatExpr(in))), expr(exp) );
104
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parents: 99
diff changeset
623 } else
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parents: 99
diff changeset
624 break;
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parents: 99
diff changeset
625 }
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parents: 99
diff changeset
626 return parser.success(exp);
42
786699c78837 implement try-catch
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parents: 40
diff changeset
627 }
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parents: 40
diff changeset
628
154
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parents: 153
diff changeset
629 private Expressions ConcatExpr(In in) throws ParseException {
104
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diff changeset
630 int start = parser.begin();
154
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parents: 153
diff changeset
631 Expressions exp = SumExpr(in);
104
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diff changeset
632 if( exp==null )
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diff changeset
633 return parser.failure(null);
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parents: 99
diff changeset
634 if( parser.match("..") ) {
129
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diff changeset
635 Spaces(in);
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diff changeset
636 exp = new ConcatExpr( se(start), expr(exp), required(expr(ConcatExpr(in))) );
104
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diff changeset
637 }
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parents: 99
diff changeset
638 return parser.success(exp);
28
df923e5835b2 fix local initial assignment
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parents: 26
diff changeset
639 }
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parents: 26
diff changeset
640
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
641 private Expressions SumExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
642 int start = parser.begin();
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diff changeset
643 Expressions exp = TermExpr(in);
104
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diff changeset
644 if( exp==null )
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parents: 99
diff changeset
645 return parser.failure(null);
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parents: 99
diff changeset
646 while(true) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
647 if( parser.match('+') ) {
129
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parents: 128
diff changeset
648 Spaces(in);
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diff changeset
649 exp = new AddExpr( se(start), expr(exp), required(expr(TermExpr(in))) );
104
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parents: 99
diff changeset
650 } else if( Minus() ) {
129
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diff changeset
651 Spaces(in);
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parents: 128
diff changeset
652 exp = new SubExpr( se(start), expr(exp), required(expr(TermExpr(in))) );
104
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diff changeset
653 } else
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parents: 99
diff changeset
654 break;
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diff changeset
655 }
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diff changeset
656 return parser.success(exp);
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parents: 99
diff changeset
657 }
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parents: 99
diff changeset
658
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
659 private boolean Minus() {
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parents: 99
diff changeset
660 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
661 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
662 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
663
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
664 private Expressions TermExpr(In in) throws ParseException {
104
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diff changeset
665 int start = parser.begin();
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
666 Expressions exp = UnaryExpr(in);
104
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diff changeset
667 if( exp==null )
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parents: 99
diff changeset
668 return parser.failure(null);
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parents: 99
diff changeset
669 while(true) {
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diff changeset
670 if( parser.match('*') ) {
129
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diff changeset
671 Spaces(in);
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parents: 128
diff changeset
672 exp = new MulExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
104
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diff changeset
673 } else if( parser.match('/') ) {
129
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diff changeset
674 Spaces(in);
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diff changeset
675 exp = new DivExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
107
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diff changeset
676 } else if( Mod() ) {
129
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parents: 128
diff changeset
677 Spaces(in);
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parents: 128
diff changeset
678 exp = new ModExpr( se(start), expr(exp), required(expr(UnaryExpr(in))) );
104
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diff changeset
679 } else
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parents: 99
diff changeset
680 break;
17
09d41f7490a8 add local variables
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diff changeset
681 }
104
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diff changeset
682 return parser.success(exp);
17
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parents: 16
diff changeset
683 }
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parents: 16
diff changeset
684
107
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parents: 106
diff changeset
685 private boolean Mod() {
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parents: 106
diff changeset
686 parser.begin();
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parents: 106
diff changeset
687 return parser.match('%') && !parser.match('>') ? parser.success() : parser.failure();
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
688 }
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parents: 106
diff changeset
689
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
690 private Expressions UnaryExpr(In in) throws ParseException {
104
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diff changeset
691 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
692 if( parser.match('#') ) {
129
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diff changeset
693 Spaces(in);
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diff changeset
694 return parser.success( new LenExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
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diff changeset
695 }
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diff changeset
696 if( Minus() ) {
129
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diff changeset
697 Spaces(in);
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diff changeset
698 return parser.success( new UnmExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
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diff changeset
699 }
129
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diff changeset
700 if( Keyword("not",in) ) {
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parents: 128
diff changeset
701 Spaces(in);
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diff changeset
702 return parser.success( new NotExpr( se(start), required(expr(UnaryExpr(in))) ) );
104
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parents: 99
diff changeset
703 }
154
c2e5101682ae Expr extends Expressions
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diff changeset
704 Expressions exp = PowExpr(in);
104
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diff changeset
705 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
706 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
707 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
708 }
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parents: 99
diff changeset
709
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
710 private Expressions PowExpr(In in) throws ParseException {
104
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diff changeset
711 int start = parser.begin();
154
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
712 Expressions exp = SingleExpr(in);
104
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diff changeset
713 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
714 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
715 if( parser.match('^') ) {
129
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diff changeset
716 Spaces(in);
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diff changeset
717 exp = new ConcatExpr( se(start), expr(exp), required(expr(PowExpr(in))) );
104
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parents: 99
diff changeset
718 }
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parents: 99
diff changeset
719 return parser.success(exp);
14
2ddf85634d20 whitespace handling;
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parents: 12
diff changeset
720 }
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parents: 12
diff changeset
721
154
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parents: 153
diff changeset
722 private Expressions SingleExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
723 parser.begin();
154
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parents: 153
diff changeset
724 Expressions exp;
129
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diff changeset
725 exp = FunctionExpr(in);
104
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parents: 99
diff changeset
726 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
727 return parser.success(exp);
129
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diff changeset
728 exp = TableExpr(in);
104
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parents: 99
diff changeset
729 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
730 return parser.success(exp);
129
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parents: 128
diff changeset
731 exp = VarExp(in);
104
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parents: 99
diff changeset
732 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
733 return parser.success(exp);
129
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diff changeset
734 exp = Literal(in);
104
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parents: 99
diff changeset
735 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
736 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
737 return parser.failure(null);
14
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parents: 12
diff changeset
738 }
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parents: 12
diff changeset
739
129
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diff changeset
740 private Expr FunctionExpr(In in) throws ParseException {
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diff changeset
741 if( !Keyword("function",in) )
104
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diff changeset
742 return null;
129
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diff changeset
743 return RequiredFunction(in);
20
d85510d92eee add BreakStmt
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parents: 19
diff changeset
744 }
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parents: 19
diff changeset
745
129
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diff changeset
746 private FnDef RequiredFunction(In in) throws ParseException {
104
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parents: 99
diff changeset
747 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
748 RequiredMatch('(');
129
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diff changeset
749 In inParens = in.parens();
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parents: 128
diff changeset
750 Spaces(inParens);
104
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parents: 99
diff changeset
751 frame = new Frame(frame);
129
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diff changeset
752 List<String> names = NameList(in);
104
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parents: 99
diff changeset
753 if( names != null ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
754 addSymbols(names);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
755 if( parser.match(',') ) {
129
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diff changeset
756 Spaces(inParens);
104
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parents: 99
diff changeset
757 if( !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
758 throw parser.exception();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
759 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
760 }
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parents: 99
diff changeset
761 } else if( parser.match("...") ) {
129
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parents: 128
diff changeset
762 Spaces(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
763 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
764 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
765 RequiredMatch(')');
129
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parents: 128
diff changeset
766 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
767 Stmt block = RequiredBlock();
129
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diff changeset
768 RequiredKeyword("end",in);
104
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parents: 99
diff changeset
769 FnDef fnDef = newFnDef(start,block);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
770 frame = frame.parent;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
771 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
772 }
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parents: 9
diff changeset
773
129
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parents: 128
diff changeset
774 private VarArgs VarArgs(In in) throws ParseException {
104
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parents: 99
diff changeset
775 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
776 if( !frame.isVarArg || !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
777 return parser.failure(null);
129
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parents: 128
diff changeset
778 Spaces(in);
104
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parents: 99
diff changeset
779 return parser.success( new VarArgs(se(start)) );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
780 }
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parents: 99
diff changeset
781
129
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parents: 128
diff changeset
782 private Expr TableExpr(In in) throws ParseException {
104
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parents: 99
diff changeset
783 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
784 if( !parser.match('{') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
785 return parser.failure(null);
129
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parents: 128
diff changeset
786 In inParens = in.parens();
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parents: 128
diff changeset
787 Spaces(inParens);
104
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parents: 99
diff changeset
788 List<TableExpr.Field> fields = new ArrayList<TableExpr.Field>();
154
c2e5101682ae Expr extends Expressions
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parents: 153
diff changeset
789 List<Expressions> builder = new ArrayList<Expressions>();
129
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parents: 128
diff changeset
790 while( Field(fields,builder,in) && FieldSep(inParens) );
148
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diff changeset
791 Spaces(inParens);
107
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diff changeset
792 if( !parser.match('}') )
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diff changeset
793 throw parser.exception("Expected table element or '}'");
154
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diff changeset
794 return parser.success( new TableExpr( se(start), fields.toArray(new TableExpr.Field[0]), ExpList.build(builder) ) );
104
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parents: 99
diff changeset
795 }
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diff changeset
796
129
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diff changeset
797 private boolean FieldSep(In in) throws ParseException {
104
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diff changeset
798 if( !parser.anyOf(",;") )
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diff changeset
799 return false;
129
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diff changeset
800 Spaces(in);
14
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parents: 12
diff changeset
801 return true;
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parents: 12
diff changeset
802 }
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parents: 12
diff changeset
803
154
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
804 private boolean Field(List<TableExpr.Field> fields,List<Expressions> builder,In in) throws ParseException {
104
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diff changeset
805 parser.begin();
129
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diff changeset
806 Expr exp = SubExpr(in);
104
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parents: 99
diff changeset
807 if( exp==null )
129
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diff changeset
808 exp = NameExpr(in);
104
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parents: 99
diff changeset
809 if( exp!=null && parser.match('=') ) {
137
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parents: 129
diff changeset
810 Spaces(in);
129
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diff changeset
811 fields.add( new TableExpr.Field( exp, required(expr(Expr(in))) ) );
104
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diff changeset
812 return parser.success();
17
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parents: 16
diff changeset
813 }
104
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parents: 99
diff changeset
814 parser.rollback();
154
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
815 Expressions exprs = Expr(in);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
816 if( exprs != null ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
817 builder.add(exprs);
104
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parents: 99
diff changeset
818 return parser.success();
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parents: 99
diff changeset
819 }
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parents: 99
diff changeset
820 return parser.failure();
7
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parents: 6
diff changeset
821 }
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parents: 6
diff changeset
822
154
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
823 private Expressions VarExp(In in) throws ParseException {
129
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diff changeset
824 Var var = VarZ(in);
104
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parents: 99
diff changeset
825 return var==null ? null : var.expr();
8
8896068e0a4b finish operators
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parents: 7
diff changeset
826 }
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diff changeset
827
129
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diff changeset
828 private Var VarZ(In in) throws ParseException {
104
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diff changeset
829 int start = parser.begin();
129
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diff changeset
830 Var var = VarStart(in);
104
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diff changeset
831 if( var==null )
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parents: 99
diff changeset
832 return parser.failure(null);
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diff changeset
833 Var var2;
129
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diff changeset
834 while( (var2=Var2(in,start,var.expr())) != null ) {
104
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diff changeset
835 var = var2;
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parents: 99
diff changeset
836 }
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parents: 99
diff changeset
837 return parser.success(var);
7
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parents: 6
diff changeset
838 }
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parents: 6
diff changeset
839
154
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parents: 153
diff changeset
840 private Var Var2(In in,int start,Expressions exp1) throws ParseException {
155
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parents: 154
diff changeset
841 parser.begin();
129
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diff changeset
842 Var var = VarExt(in,start,exp1);
104
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diff changeset
843 if( var != null )
155
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parents: 154
diff changeset
844 return parser.success(var);
104
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parents: 99
diff changeset
845 if( parser.match("->") ) {
129
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diff changeset
846 Spaces(in);
154
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parents: 153
diff changeset
847 List<Expressions> builder = new ArrayList<Expressions>();
104
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diff changeset
848 builder.add(exp1);
129
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diff changeset
849 Expr exp2 = expr(RequiredVarExpB(in));
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diff changeset
850 FnCall fnCall = required(Args( in, start, exp2, builder ));
155
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parents: 154
diff changeset
851 return parser.success(exprVar(fnCall));
104
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diff changeset
852 }
154
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diff changeset
853 FnCall fnCall = Args( in, start, expr(exp1), new ArrayList<Expressions>() );
104
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diff changeset
854 if( fnCall != null )
155
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parents: 154
diff changeset
855 return parser.success(exprVar(fnCall));
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
856 return parser.failure(null);
21
c93d8c781853 add functions
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parents: 20
diff changeset
857 }
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parents: 20
diff changeset
858
154
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parents: 153
diff changeset
859 private Expressions RequiredVarExpB(In in) throws ParseException {
104
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parents: 99
diff changeset
860 int start = parser.begin();
129
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diff changeset
861 Var var = required(VarStart(in));
104
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parents: 99
diff changeset
862 Var var2;
129
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diff changeset
863 while( (var2=VarExt(in,start,var.expr())) != null ) {
104
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parents: 99
diff changeset
864 var = var2;
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parents: 99
diff changeset
865 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
866 return parser.success(var.expr());
9
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parents: 8
diff changeset
867 }
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diff changeset
868
154
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diff changeset
869 private Var VarExt(In in,int start,Expressions exp1) throws ParseException {
104
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diff changeset
870 parser.begin();
129
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diff changeset
871 Expr exp2 = SubExpr(in);
104
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diff changeset
872 if( exp2 != null )
107
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diff changeset
873 return parser.success(indexVar(start,expr(exp1),exp2));
104
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parents: 99
diff changeset
874 if( parser.match('.') ) {
129
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diff changeset
875 Spaces(in);
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diff changeset
876 exp2 = NameExpr(in);
104
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parents: 99
diff changeset
877 if( exp2!=null )
107
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parents: 106
diff changeset
878 return parser.success(indexVar(start,expr(exp1),exp2));
104
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diff changeset
879 }
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parents: 99
diff changeset
880 return parser.failure(null);
11
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parents: 9
diff changeset
881 }
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parents: 9
diff changeset
882
129
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diff changeset
883 private Var VarStart(In in) throws ParseException {
104
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diff changeset
884 int start = parser.begin();
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parents: 99
diff changeset
885 if( parser.match('(') ) {
129
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diff changeset
886 In inParens = in.parens();
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parents: 128
diff changeset
887 Spaces(inParens);
158
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diff changeset
888 Expr exp = expr(RequiredExpr(inParens));
104
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parents: 99
diff changeset
889 RequiredMatch(')');
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
890 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
891 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
892 }
129
486a0641bca4 add pickle client/server;
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parents: 128
diff changeset
893 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
894 if( name != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
895 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
896 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
897 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
898
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
899 private Expr env() {
34
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
900 int index = stackIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
901 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
902 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
903 index = upValueIndex(_ENV);
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
904 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
905 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
906 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
907 }
0cdc1da466ee implement _G and _ENV
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 33
diff changeset
908
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
909 private interface Var {
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
910 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
911 public Settable settable();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
912 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
913
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
914 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
915 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
916 }
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
917
1de3e4a6e82d remove LuanJavaFunction.RTN_NUMBER_ARRAY;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 155
diff changeset
918 private Var nameVar(final LuanSource.Element se,final String name) {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
919 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
920
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
921 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
922 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
923 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
924 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
925 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
926 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
927 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
928 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
929 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
930
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
931 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
932 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
933 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
934 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
935 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
936 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
937 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
938 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
939 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
940 };
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
941 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
942
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
943 private Var exprVar(final Expressions expr) {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
944 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
945
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
946 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
947 return expr;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
948 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
949
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
950 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
951 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
952 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
953 };
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
954 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
955
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
956 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
957 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
958
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
959 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
960 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
961 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
962
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
963 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
964 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
965 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
966 };
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
967 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
968
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
969 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
970 parser.begin();
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
971 return args(in,builder)
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
972 ? 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
973 : parser.failure((FnCall)null);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
974 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
975
154
c2e5101682ae Expr extends Expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 153
diff changeset
976 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
977 if( parser.match('(') ) {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
978 In inParens = in.parens();
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
979 Spaces(inParens);
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
980 ExpList(inParens,builder); // optional
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
981 if( !parser.match(')') )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
982 throw parser.exception("Expression or ')' expected");
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
983 Spaces(in);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
984 return true;
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
985 }
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
986 Expr exp = TableExpr(in);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
987 if( exp != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
988 builder.add(exp);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
989 return true;
104
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990 }
129
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991 String s = StringLiteral(in);
107
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992 if( s != null ) {
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diff changeset
993 builder.add( new ConstExpr(s) );
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diff changeset
994 return true;
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diff changeset
995 }
157
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diff changeset
996 Expressions exps = TemplateExpressions(in);
107
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diff changeset
997 if( exps != null ) {
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diff changeset
998 builder.add(exps);
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diff changeset
999 return true;
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1000 }
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diff changeset
1001 return false;
11
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diff changeset
1002 }
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diff changeset
1003
129
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diff changeset
1004 private Expressions ExpList(In in) throws ParseException {
154
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diff changeset
1005 List<Expressions> builder = new ArrayList<Expressions>();
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diff changeset
1006 return ExpList(in,builder) ? ExpList.build(builder) : null;
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diff changeset
1007 }
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diff changeset
1008
154
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diff changeset
1009 private boolean ExpList(In in,List<Expressions> builder) throws ParseException {
104
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diff changeset
1010 parser.begin();
158
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diff changeset
1011 Expressions exp = TemplateExpressions(in);
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diff changeset
1012 if( exp != null ) {
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diff changeset
1013 builder.add(exp);
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diff changeset
1014 return parser.success();
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parents: 157
diff changeset
1015 }
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diff changeset
1016 exp = Expr(in);
104
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diff changeset
1017 if( exp==null )
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diff changeset
1018 return parser.failure();
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diff changeset
1019 builder.add(exp);
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diff changeset
1020 while( parser.match(',') ) {
129
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diff changeset
1021 Spaces(in);
158
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diff changeset
1022 exp = TemplateExpressions(in);
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diff changeset
1023 if( exp != null ) {
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parents: 157
diff changeset
1024 builder.add(exp);
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diff changeset
1025 return parser.success();
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diff changeset
1026 }
129
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diff changeset
1027 builder.add( RequiredExpr(in) );
104
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diff changeset
1028 }
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diff changeset
1029 return parser.success();
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1030 }
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diff changeset
1031
129
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diff changeset
1032 private Expr SubExpr(In in) throws ParseException {
104
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diff changeset
1033 parser.begin();
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diff changeset
1034 if( !parser.match('[') )
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diff changeset
1035 return parser.failure(null);
129
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diff changeset
1036 In inParens = in.parens();
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diff changeset
1037 Spaces(inParens);
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diff changeset
1038 Expr exp = expr(RequiredExpr(inParens));
104
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diff changeset
1039 RequiredMatch(']');
129
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diff changeset
1040 Spaces(in);
104
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diff changeset
1041 return parser.success(exp);
11
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parents: 9
diff changeset
1042 }
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diff changeset
1043
129
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diff changeset
1044 private Expr NameExpr(In in) throws ParseException {
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diff changeset
1045 String name = Name(in);
104
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diff changeset
1046 return name==null ? null : new ConstExpr(name);
54
f5b27ef14d73 add OutputStmt
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parents: 51
diff changeset
1047 }
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parents: 51
diff changeset
1048
129
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diff changeset
1049 private String RequiredName(In in) throws ParseException {
104
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diff changeset
1050 parser.begin();
129
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diff changeset
1051 String name = Name(in);
104
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diff changeset
1052 if( name==null )
139
3b384dc5ca91 replace WebShell.java with web_shell.luan
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diff changeset
1053 throw parser.exception("Name expected");
104
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diff changeset
1054 return parser.success(name);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1055 }
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diff changeset
1056
129
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diff changeset
1057 private String Name(In in) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1058 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1059 if( !NameFirstChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1060 return parser.failure(null);
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parents: 99
diff changeset
1061 while( NameChar() );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1062 String match = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1063 if( keywords.contains(match) )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1064 return parser.failure(null);
129
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diff changeset
1065 Spaces(in);
104
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diff changeset
1066 return parser.success(match);
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
1067 }
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diff changeset
1068
104
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parents: 99
diff changeset
1069 private boolean NameChar() {
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parents: 99
diff changeset
1070 return NameFirstChar() || Digit();
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diff changeset
1071 }
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parents: 99
diff changeset
1072
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parents: 99
diff changeset
1073 private boolean NameFirstChar() {
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parents: 99
diff changeset
1074 return parser.inCharRange('a', 'z') || parser.inCharRange('A', 'Z') || parser.match('_');
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parents: 99
diff changeset
1075 }
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parents: 99
diff changeset
1076
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parents: 99
diff changeset
1077 private void RequiredMatch(char c) throws ParseException {
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parents: 99
diff changeset
1078 if( !parser.match(c) )
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diff changeset
1079 throw parser.exception("'"+c+"' expected");
9
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parents: 8
diff changeset
1080 }
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parents: 8
diff changeset
1081
104
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diff changeset
1082 private void RequiredMatch(String s) throws ParseException {
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parents: 99
diff changeset
1083 if( !parser.match(s) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1084 throw parser.exception("'"+s+"' expected");
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parents: 99
diff changeset
1085 }
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parents: 99
diff changeset
1086
129
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parents: 128
diff changeset
1087 private void RequiredKeyword(String keyword,In in) throws ParseException {
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diff changeset
1088 if( !Keyword(keyword,in) )
104
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diff changeset
1089 throw parser.exception("'"+keyword+"' expected");
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1090 }
600676034a1a add variables and tables
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parents: 8
diff changeset
1091
129
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diff changeset
1092 private boolean Keyword(String keyword,In in) throws ParseException {
104
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diff changeset
1093 parser.begin();
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parents: 99
diff changeset
1094 if( !parser.match(keyword) || NameChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1095 return parser.failure();
129
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diff changeset
1096 Spaces(in);
104
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parents: 99
diff changeset
1097 return parser.success();
12
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parents: 11
diff changeset
1098 }
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diff changeset
1099
104
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diff changeset
1100 private static final Set<String> keywords = new HashSet<String>(Arrays.asList(
12
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diff changeset
1101 "and",
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parents: 11
diff changeset
1102 "break",
42
786699c78837 implement try-catch
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parents: 40
diff changeset
1103 "catch",
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1104 "do",
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parents: 11
diff changeset
1105 "else",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1106 "elseif",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1107 "end",
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parents: 11
diff changeset
1108 "false",
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parents: 11
diff changeset
1109 "for",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1110 "function",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1111 "goto",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1112 "if",
108
3c404a296995 make Package module more standard;
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diff changeset
1113 "import",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1114 "in",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1115 "local",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1116 "nil",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1117 "not",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1118 "or",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1119 "repeat",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1120 "return",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1121 "then",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1122 "true",
42
786699c78837 implement try-catch
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parents: 40
diff changeset
1123 "try",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1124 "until",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1125 "while"
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1126 ));
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1127
129
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parents: 128
diff changeset
1128 private Expr Literal(In in) throws ParseException {
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1129 if( NilLiteral(in) )
104
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parents: 99
diff changeset
1130 return new ConstExpr(null);
129
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parents: 128
diff changeset
1131 Boolean b = BooleanLiteral(in);
104
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parents: 99
diff changeset
1132 if( b != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1133 return new ConstExpr(b);
129
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parents: 128
diff changeset
1134 Number n = NumberLiteral(in);
104
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parents: 99
diff changeset
1135 if( n != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1136 return new ConstExpr(n);
129
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diff changeset
1137 String s = StringLiteral(in);
104
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parents: 99
diff changeset
1138 if( s != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1139 return new ConstExpr(s);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1140 return null;
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1141 }
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parents:
diff changeset
1142
129
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parents: 128
diff changeset
1143 private boolean NilLiteral(In in) throws ParseException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1144 return Keyword("nil",in);
65
1ff53a88579a multi-line statements
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parents: 60
diff changeset
1145 }
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parents: 60
diff changeset
1146
129
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diff changeset
1147 private Boolean BooleanLiteral(In in) throws ParseException {
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parents: 128
diff changeset
1148 if( Keyword("true",in) )
104
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diff changeset
1149 return true;
129
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diff changeset
1150 if( Keyword("false",in) )
104
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diff changeset
1151 return false;
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parents: 99
diff changeset
1152 return null;
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1153 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1154
129
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parents: 128
diff changeset
1155 private Number NumberLiteral(In in) throws ParseException {
104
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parents: 99
diff changeset
1156 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1157 Number n;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1158 if( parser.matchIgnoreCase("0x") ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1159 n = HexNumber();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1160 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1161 n = DecNumber();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1162 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1163 if( n==null || NameChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1164 return parser.failure(null);
129
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diff changeset
1165 Spaces(in);
104
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parents: 99
diff changeset
1166 return parser.success(n);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1167 }
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parents: 99
diff changeset
1168
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parents: 99
diff changeset
1169 private Number DecNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1170 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1171 if( Int() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1172 if( parser.match('.') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1173 Int(); // optional
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1174 } else if( parser.match('.') && Int() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1175 // ok
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1176 } else
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1177 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1178 Exponent(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1179 return parser.success(Double.valueOf(parser.textFrom(start)));
5
9ef0fd711101 start LuaParser
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parents:
diff changeset
1180 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1181
104
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parents: 99
diff changeset
1182 private boolean Exponent() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1183 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1184 if( !parser.matchIgnoreCase("e") )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1185 return parser.failure();
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parents: 99
diff changeset
1186 parser.anyOf("+-"); // optional
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parents: 99
diff changeset
1187 if( !Int() )
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parents: 99
diff changeset
1188 return parser.failure();
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parents: 99
diff changeset
1189 return parser.success();
5
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parents:
diff changeset
1190 }
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parents:
diff changeset
1191
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1192 private boolean Int() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1193 if( !Digit() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1194 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1195 while( Digit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1196 return true;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1197 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1198
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1199 private boolean Digit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1200 return parser.inCharRange('0', '9');
16
2a30281ef47c finish number literals;
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parents: 15
diff changeset
1201 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1202
104
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parents: 99
diff changeset
1203 private Number HexNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1204 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
1205 double n;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1206 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1207 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
1208 if( parser.match('.') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1209 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1210 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1211 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
1212 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
1213 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1214 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1215 } 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
1216 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
1217 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
1218 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1219 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
1220 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1221 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
1222 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1223 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1224 if( !HexInt() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1225 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
1226 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
1227 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1228 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
1229 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1230
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1231 private boolean HexInt() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1232 if( !HexDigit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1233 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1234 while( HexDigit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1235 return true;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1236 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1237
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1238
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1239 private boolean HexDigit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1240 return Digit() || parser.anyOf("abcdefABCDEF");
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1241 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1242
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1243 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
1244 String s;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1245 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
1246 && (s=QuotedString('\''))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1247 && (s=LongString())==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1248 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1249 return null;
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1250 Spaces(in);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1251 return s;
16
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;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1254 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
1255 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1256 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1257 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
1258 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
1259 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1260 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
1261 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1262 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
1263 EndOfLine();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1264 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1265 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1266 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1267 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
1268 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1269 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
1270 return parser.success(s);
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1271 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1272
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1273 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
1274 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1275 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
1276 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
1277 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
1278 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
1279 Character c = EscSeq();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1280 if( c != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1281 buf.append(c);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1282 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1283 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1284 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
1285 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
1286 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1287 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1288 return parser.success(buf.toString());
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1289 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1290
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1291 private Character EscSeq() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1292 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1293 if( !parser.match('\\') )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1294 return parser.failure(null);
155
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1295 if( parser.match('a') ) return parser.success('\u0007');
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1296 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
1297 if( parser.match('f') ) return parser.success('\f');
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1298 if( parser.match('n') ) return parser.success('\n');
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1299 if( parser.match('r') ) return parser.success('\r');
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1300 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
1301 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
1302 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
1303 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
1304 if( parser.match('\'') ) return parser.success('\'');
104
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parents: 99
diff changeset
1305 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
1306 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
1307 return parser.success((char)Integer.parseInt(parser.textFrom(start+1),16));
104
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1308 if( Digit() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1309 if( Digit() ) Digit(); // optional
155
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 154
diff changeset
1310 return parser.success((char)Integer.parseInt(parser.textFrom(start)));
104
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parents: 99
diff changeset
1311 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1312 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1313 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1314
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1315 private void Spaces(In in) throws ParseException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 128
diff changeset
1316 while( parser.anyOf(" \t") || Comment() || ContinueOnNextLine() || in.parens && NewLine() );
14
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parents: 12
diff changeset
1317 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1318
104
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parents: 99
diff changeset
1319 private boolean ContinueOnNextLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1320 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1321 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
1322 }
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parents: 6
diff changeset
1323
104
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parents: 99
diff changeset
1324 private boolean NewLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1325 if( !EndOfLine() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1326 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1327 if( parser.match("--") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1328 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
1329 }
18
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1330 return true;
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1331 }
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1332
104
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parents: 99
diff changeset
1333 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
1334 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1335 if( !parser.match("--[") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1336 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1337 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
1338 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1339 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
1340 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1341 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1342 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1343 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1344 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
1345 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1346 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1347 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1348
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1349 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
1350 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1351 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1352 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1353 while( nEquals-- > 0 ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1354 if( !parser.match('=') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1355 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1356 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1357 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1358 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1359 return parser.success();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1360 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1361
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1362 }