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annotate src/luan/interp/LuanParser.java @ 128:f0a4abe58593

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minor git-svn-id: https://luan-java.googlecode.com/svn/trunk@129 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Sun, 08 Jun 2014 03:38:25 +0000
parents bcb3a09d0caf
children 486a0641bca4
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1 package luan.interp;
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2
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3 import java.util.Set;
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4 import java.util.HashSet;
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5 import java.util.Arrays;
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6 import java.util.List;
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7 import java.util.ArrayList;
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8 import java.util.Scanner;
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9 import 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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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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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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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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75 private static final String _ENV = "_ENV";
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76 private static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0];
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77
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78 final LuanSource source;
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79 private Frame frame;
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80 private final Parser parser;
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81 private final boolean interactive;
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83 LuanParser(LuanSource source,UpValue.Getter envGetter) {
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84 this.source = source;
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85 this.frame = new Frame(envGetter);
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86 this.parser = new Parser(source);
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87 this.interactive = envGetter==UpValue.globalGetter;
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88 }
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90 void addVar(String name,Object value) {
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91 frame.addUpValueGetter(name,new UpValue.ValueGetter(value));
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92 }
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94 private LuanSource.Element se(int start) {
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95 return new LuanSource.Element(source,start,parser.currentIndex());
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96 }
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97
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98 private List<String> symbols() {
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99 return frame.symbols;
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100 }
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101
104
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102 private int symbolsSize() {
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103 return frame.symbols.size();
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104 }
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105
104
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106 private void addSymbol(String name) {
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107 frame.symbols.add(name);
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108 if( frame.stackSize < symbolsSize() )
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109 frame.stackSize = symbolsSize();
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110 }
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111
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112 private void addSymbols(List<String> names) {
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113 frame.symbols.addAll(names);
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114 if( frame.stackSize < symbolsSize() )
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115 frame.stackSize = symbolsSize();
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116 }
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117
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118 private int stackIndex(String name) {
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119 return frame.stackIndex(name);
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120 }
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121
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122 private void popSymbols(int n) {
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123 List<String> symbols = frame.symbols;
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124 while( n-- > 0 ) {
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125 symbols.remove(symbols.size()-1);
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126 }
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127 }
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128
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129 private int upValueIndex(String name) {
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130 return frame.upValueIndex(name);
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131 }
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132
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133 private void incLoops() {
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134 frame.loops++;
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135 }
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136
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137 private void decLoops() {
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138 frame.loops--;
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139 }
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140
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141 private <T> T required(T t) throws ParseException {
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142 if( t==null )
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143 throw parser.exception();
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144 return t;
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145 }
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146
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147 private <T> T required(T t,String msg) throws ParseException {
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148 if( t==null )
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149 throw parser.exception(msg);
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150 return t;
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151 }
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152
107
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153 private static Expr expr(Code code) {
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154 if( code instanceof Expressions )
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155 return new ExpressionsExpr((Expressions)code);
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156 return (Expr)code;
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157 }
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158
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159 private FnDef newFnDef(int start,Stmt stmt) {
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160 return new FnDef( se(start), stmt, frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) );
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161 }
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162
108
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163 FnDef Expressions() throws ParseException {
104
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164 Spaces();
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165 int start = parser.begin();
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166 Expressions exprs = ExpList();
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167 if( exprs != null && parser.endOfInput() ) {
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168 Stmt stmt = new ReturnStmt( se(start), exprs );
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169 return parser.success(newFnDef(start,stmt));
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170 }
108
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171 return parser.failure(null);
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172 }
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173
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174 FnDef RequiredModule() throws ParseException {
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175 Spaces();
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176 int start = parser.begin();
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177 frame.isVarArg = true;
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178 Stmt stmt = RequiredBlock();
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179 if( parser.endOfInput() )
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180 return parser.success(newFnDef(start,stmt));
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181 throw parser.exception();
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182 }
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183
104
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184 private Stmt RequiredBlock() throws ParseException {
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185 List<Stmt> stmts = new ArrayList<Stmt>();
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186 int stackStart = symbolsSize();
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187 Stmt(stmts);
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188 while( StmtSep(stmts) ) {
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189 Spaces();
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190 Stmt(stmts);
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191 }
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192 int stackEnd = symbolsSize();
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193 popSymbols( stackEnd - stackStart );
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194 if( stmts.isEmpty() )
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195 return Stmt.EMPTY;
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196 if( stmts.size()==1 && stackStart==stackEnd )
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197 return stmts.get(0);
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198 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd );
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199 }
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200
104
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201 private boolean StmtSep(List<Stmt> stmts) throws ParseException {
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202 parser.begin();
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203 if( parser.match( ';' ) )
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204 return parser.success();
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205 if( parser.match( "--" ) ) {
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206 while( parser.noneOf("\r\n") );
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207 }
107
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208 return EndOfLine() ? parser.success() : parser.failure();
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209 }
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210
104
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211 private boolean EndOfLine() {
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212 return parser.match( "\r\n" ) || parser.match( '\r' ) || parser.match( '\n' );
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213 }
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214
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215 private void Stmt(List<Stmt> stmts) throws ParseException {
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216 if( LocalStmt(stmts) )
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217 return;
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218 Stmt stmt;
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219 if( (stmt=ReturnStmt()) != null
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220 || (stmt=FunctionStmt()) != null
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221 || (stmt=LocalFunctionStmt()) != null
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222 || (stmt=ImportStmt()) != null
104
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223 || (stmt=BreakStmt()) != null
127
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224 || (stmt=ForStmt()) != null
104
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225 || (stmt=TryStmt()) != null
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226 || (stmt=DoStmt()) != null
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227 || (stmt=WhileStmt()) != null
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228 || (stmt=FunctionStmt()) != null
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229 || (stmt=RepeatStmt()) != null
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230 || (stmt=IfStmt()) != null
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231 || (stmt=SetStmt()) != null
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232 || (stmt=ExpressionsStmt()) != null
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233 ) {
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234 stmts.add(stmt);
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235 }
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236 }
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237
107
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238 private Expressions JspExpressions() throws ParseException {
104
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239 int start = parser.begin();
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240 if( !parser.match( "%>" ) )
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241 return parser.failure(null);
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242 EndOfLine();
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243 ExpList.Builder builder = new ExpList.Builder();
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244 while(true) {
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245 if( parser.match( "<%=" ) ) {
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246 Spaces();
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247 builder.add( RequiredExpr() );
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248 RequiredMatch( "%>" );
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249 } else if( parser.match( "<%" ) ) {
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250 Spaces();
107
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251 return parser.success(builder.build());
104
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252 } else {
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253 int i = parser.currentIndex();
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254 do {
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255 if( parser.match( "%>" ) )
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256 throw parser.exception("'%>' unexpected");
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257 if( !parser.anyChar() )
107
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258 throw parser.exception("Unclosed JSP expressions");
104
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259 } while( !parser.test( "<%" ) );
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260 String match = parser.textFrom(i);
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261 builder.add( new ConstExpr(match) );
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262 }
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263 }
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264 }
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265
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266 private Stmt ReturnStmt() throws ParseException {
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267 int start = parser.begin();
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268 if( !Keyword("return") )
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269 return parser.failure(null);
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270 Expressions exprs = ExpList();
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271 if( exprs==null )
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272 exprs = ExpList.emptyExpList;
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273 return parser.success( new ReturnStmt(se(start),exprs) );
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274 }
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275
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276 private Stmt FunctionStmt() throws ParseException {
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277 parser.begin();
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278 if( !Keyword("function") )
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279 return parser.failure(null);
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280
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281 int start = parser.currentIndex();
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282 Var var = nameVar(start,RequiredName());
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283 while( parser.match( '.' ) ) {
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284 Spaces();
107
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285 var = indexVar( start, expr(var.expr()), NameExpr(false) );
104
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286 }
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287 Settable fnName = var.settable();
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288
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289 FnDef fnDef = RequiredFunction(false);
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290 return parser.success( new SetStmt(fnName,fnDef) );
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291 }
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292
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293 private Stmt LocalFunctionStmt() throws ParseException {
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294 parser.begin();
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295 if( !(Keyword("local") && Keyword("function")) )
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296 return parser.failure(null);
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297 String name = RequiredName();
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298 addSymbol( name );
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299 FnDef fnDef = RequiredFunction(false);
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300 return parser.success( new SetStmt( new SetLocalVar(symbolsSize()-1), fnDef ) );
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301 }
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302
108
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303 private Stmt ImportStmt() throws ParseException {
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304 int start = parser.begin();
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305 if( !Keyword("import") )
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306 return parser.failure(null);
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307 Expr importExpr = (Expr)nameVar(start,"require").expr();
108
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308 String modName = StringLiteral(false);
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309 if( modName==null )
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310 return parser.failure(null);
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311 String varName = modName.substring(modName.lastIndexOf('.')+1);
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312 LuanSource.Element se = se(start);
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313 FnCall require = new FnCall( se, importExpr, new ExpList.SingleExpList(new ConstExpr(modName)) );
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314 Settable settable;
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315 if( interactive ) {
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316 settable = new SetTableEntry( se(start), env(), new ConstExpr(varName) );
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317 } else {
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318 addSymbol( varName );
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319 settable = new SetLocalVar(symbolsSize()-1);
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320 }
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321 return parser.success( new SetStmt( settable, expr(require) ) );
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322 }
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323
104
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324 private Stmt BreakStmt() throws ParseException {
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325 parser.begin();
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326 if( !Keyword("break") )
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327 return parser.failure(null);
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328 if( frame.loops <= 0 )
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329 throw parser.exception("'break' outside of loop");
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330 return parser.success( new BreakStmt() );
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331 }
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332
127
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333 private Stmt ForStmt() throws ParseException {
104
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334 int start = parser.begin();
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335 int stackStart = symbolsSize();
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336 if( !Keyword("for") )
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337 return parser.failure(null);
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338 List<String> names = RequiredNameList(false);
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339 if( !Keyword("in") )
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340 return parser.failure(null);
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341 Expr expr = expr(RequiredExpr());
104
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342 RequiredKeyword("do");
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343 addSymbols(names);
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344 Stmt loop = RequiredLoopBlock();
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345 RequiredKeyword("end");
127
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346 Stmt stmt = new ForStmt( se(start), stackStart, symbolsSize() - stackStart, expr, loop );
104
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347 popSymbols( symbolsSize() - stackStart );
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348 return parser.success(stmt);
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349 }
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350
104
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351 private Stmt TryStmt() throws ParseException {
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352 parser.begin();
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353 if( !Keyword("try") )
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354 return parser.failure(null);
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355 Stmt tryBlock = RequiredBlock();
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356 RequiredKeyword("catch");
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357 String name = RequiredName();
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358 addSymbol(name);
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359 RequiredKeyword("do");
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360 Stmt catchBlock = RequiredBlock();
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361 RequiredKeyword("end");
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362 Stmt stmt = new TryStmt( tryBlock, symbolsSize()-1, catchBlock );
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363 popSymbols(1);
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364 return parser.success(stmt);
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365 }
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366
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367 private Stmt DoStmt() throws ParseException {
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368 parser.begin();
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369 if( !Keyword("do") )
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370 return parser.failure(null);
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371 Stmt stmt = RequiredBlock();
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372 RequiredKeyword("end");
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373 return parser.success(stmt);
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374 }
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375
104
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376 private boolean LocalStmt(List<Stmt> stmts) throws ParseException {
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377 parser.begin();
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378 if( !Keyword("local") )
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379 return parser.failure();
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380 List<String> names = NameList(false);
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381 if( names==null )
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382 return parser.failure();
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383 if( parser.match( '=' ) ) {
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384 Spaces();
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385 Expressions values = ExpList();
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386 if( values==null )
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387 throw parser.exception("Expressions expected");
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388 SetLocalVar[] vars = new SetLocalVar[names.size()];
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389 int stackStart = symbolsSize();
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390 for( int i=0; i<vars.length; i++ ) {
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391 vars[i] = new SetLocalVar(stackStart+i);
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392 }
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393 stmts.add( new SetStmt( vars, values ) );
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394 }
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395 addSymbols(names);
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396 return parser.success();
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397 }
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398
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399 private List<String> RequiredNameList(boolean inParens) throws ParseException {
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400 parser.begin();
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401 List<String> names = NameList(inParens);
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402 if( names==null )
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403 parser.exception("Name expected");
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404 return parser.success(names);
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405 }
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diff changeset
406
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407 private List<String> NameList(boolean inParens) throws ParseException {
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408 String name = Name(inParens);
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diff changeset
409 if( name==null )
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diff changeset
410 return null;
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411 List<String> names = new ArrayList<String>();
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412 names.add(name);
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diff changeset
413 while( parser.match( ',' ) ) {
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414 Spaces(inParens);
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415 names.add( RequiredName() );
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416 }
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417 return names;
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418 }
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419
104
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diff changeset
420 private Stmt WhileStmt() throws ParseException {
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diff changeset
421 parser.begin();
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422 if( !Keyword("while") )
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423 return parser.failure(null);
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424 Expr cnd = expr(RequiredExpr());
104
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425 RequiredKeyword("do");
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426 Stmt loop = RequiredLoopBlock();
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427 RequiredKeyword("end");
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428 return parser.success( new WhileStmt(cnd,loop) );
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429 }
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430
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431 private Stmt RepeatStmt() throws ParseException {
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432 parser.begin();
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433 if( !Keyword("repeat") )
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434 return parser.failure(null);
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435 Stmt loop = RequiredLoopBlock();
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436 RequiredKeyword("until");
107
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437 Expr cnd = expr(RequiredExpr());
104
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438 return parser.success( new RepeatStmt(loop,cnd) );
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439 }
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440
104
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441 private Stmt RequiredLoopBlock() throws ParseException {
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442 incLoops();
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443 Stmt stmt = RequiredBlock();
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444 decLoops();
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445 return stmt;
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446 }
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447
104
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diff changeset
448 private Stmt IfStmt() throws ParseException {
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diff changeset
449 parser.begin();
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450 if( !Keyword("if") )
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451 return parser.failure(null);
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diff changeset
452 return parser.success( IfStmt2() );
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diff changeset
453 }
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diff changeset
454
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455 private Stmt IfStmt2() throws ParseException {
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456 Expr cnd = expr(RequiredExpr());
104
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457 RequiredKeyword("then");
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458 Stmt thenBlock = RequiredBlock();
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diff changeset
459 Stmt elseBlock;
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460 if( Keyword("elseif") ) {
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461 elseBlock = IfStmt2();
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462 } else {
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463 elseBlock = Keyword("else") ? RequiredBlock() : Stmt.EMPTY;
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464 RequiredKeyword("end");
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465 }
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466 return new IfStmt(cnd,thenBlock,elseBlock);
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d85510d92eee add BreakStmt
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diff changeset
467 }
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diff changeset
468
104
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diff changeset
469 private Stmt SetStmt() throws ParseException {
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diff changeset
470 parser.begin();
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diff changeset
471 List<Settable> vars = new ArrayList<Settable>();
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472 Settable s = SettableVar();
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diff changeset
473 if( s == null )
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474 return parser.failure(null);
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475 vars.add(s);
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diff changeset
476 while( parser.match( ',' ) ) {
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diff changeset
477 Spaces();
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diff changeset
478 s = SettableVar();
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diff changeset
479 if( s == null )
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480 return parser.failure(null);
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481 vars.add(s);
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diff changeset
482 }
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diff changeset
483 if( !parser.match( '=' ) )
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484 return parser.failure(null);
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485 Spaces();
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diff changeset
486 Expressions values = ExpList();
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diff changeset
487 if( values==null )
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diff changeset
488 throw parser.exception("Expressions expected");
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489 return parser.success( new SetStmt( vars.toArray(new Settable[0]), values ) );
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diff changeset
490 }
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diff changeset
491
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diff changeset
492 private Stmt ExpressionsStmt() throws ParseException {
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diff changeset
493 parser.begin();
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diff changeset
494 Expressions exprs = ExpList();
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diff changeset
495 if( exprs==null )
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diff changeset
496 return parser.failure(null);
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diff changeset
497 return parser.success( new ExpressionsStmt(exprs) );
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diff changeset
498 }
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diff changeset
499
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diff changeset
500 private Settable SettableVar() throws ParseException {
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diff changeset
501 int start = parser.begin();
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diff changeset
502 Var var = VarZ(false);
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diff changeset
503 if( var==null )
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diff changeset
504 return null;
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diff changeset
505 return var.settable();
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diff changeset
506 }
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507
107
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diff changeset
508 private Code RequiredExpr() throws ParseException {
104
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diff changeset
509 return RequiredExpr(false);
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parents: 99
diff changeset
510 }
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diff changeset
511
107
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diff changeset
512 private Code Expr() throws ParseException {
104
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diff changeset
513 return Expr(false);
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diff changeset
514 }
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diff changeset
515
107
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diff changeset
516 private Code RequiredExpr(boolean inParens) throws ParseException {
104
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diff changeset
517 parser.begin();
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parents: 99
diff changeset
518 return parser.success(required(Expr(inParens),"Bad expression"));
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diff changeset
519 }
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diff changeset
520
107
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diff changeset
521 private Code Expr(boolean inParens) throws ParseException {
104
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diff changeset
522 parser.begin();
107
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diff changeset
523 Code exp;
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parents: 106
diff changeset
524 return (exp = VarArgs(inParens)) != null
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parents: 106
diff changeset
525 || (exp = JspExpressions()) != null
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
526 || (exp = OrExpr(inParens)) != null
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
527 ? parser.success(exp)
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
528 : parser.failure((Code)null)
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parents: 106
diff changeset
529 ;
19
a7c13c6017f7 add GenericForStmt
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parents: 18
diff changeset
530 }
a7c13c6017f7 add GenericForStmt
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diff changeset
531
107
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diff changeset
532 private Code OrExpr(boolean inParens) throws ParseException {
104
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diff changeset
533 int start = parser.begin();
107
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diff changeset
534 Code exp = AndExpr(inParens);
104
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diff changeset
535 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
536 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
537 while( Keyword("or",inParens) ) {
107
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diff changeset
538 exp = new OrExpr( se(start), expr(exp), required(expr(AndExpr(inParens))) );
104
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parents: 99
diff changeset
539 }
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parents: 99
diff changeset
540 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
541 }
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diff changeset
542
107
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diff changeset
543 private Code AndExpr(boolean inParens) throws ParseException {
104
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diff changeset
544 int start = parser.begin();
107
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parents: 106
diff changeset
545 Code exp = RelExpr(inParens);
104
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parents: 99
diff changeset
546 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
547 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
548 while( Keyword("and",inParens) ) {
107
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diff changeset
549 exp = new AndExpr( se(start), expr(exp), required(expr(RelExpr(inParens))) );
104
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parents: 99
diff changeset
550 }
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parents: 99
diff changeset
551 return parser.success(exp);
18
3971113699b8 add NumericForStmt
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parents: 17
diff changeset
552 }
3971113699b8 add NumericForStmt
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parents: 17
diff changeset
553
107
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parents: 106
diff changeset
554 private Code RelExpr(boolean inParens) throws ParseException {
104
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parents: 99
diff changeset
555 int start = parser.begin();
107
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parents: 106
diff changeset
556 Code exp = ConcatExpr(inParens);
104
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parents: 99
diff changeset
557 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
558 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
559 while(true) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
560 if( parser.match("==") ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
561 Spaces(inParens);
107
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diff changeset
562 exp = new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) );
104
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parents: 99
diff changeset
563 } else if( parser.match("~=") ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
564 Spaces(inParens);
107
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parents: 106
diff changeset
565 exp = new NotExpr( se(start), new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) ) );
104
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parents: 99
diff changeset
566 } else if( parser.match("<=") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
567 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
568 exp = new LeExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) );
104
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parents: 99
diff changeset
569 } else if( parser.match(">=") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
570 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
571 exp = new LeExpr( se(start), required(expr(ConcatExpr(inParens))), expr(exp) );
104
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parents: 99
diff changeset
572 } else if( parser.match("<") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
573 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
574 exp = new LtExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) );
104
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parents: 99
diff changeset
575 } else if( parser.match(">") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
576 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
577 exp = new LtExpr( se(start), required(expr(ConcatExpr(inParens))), expr(exp) );
104
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parents: 99
diff changeset
578 } else
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
579 break;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
580 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
581 return parser.success(exp);
42
786699c78837 implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
582 }
786699c78837 implement try-catch
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parents: 40
diff changeset
583
107
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parents: 106
diff changeset
584 private Code ConcatExpr(boolean inParens) throws ParseException {
104
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parents: 99
diff changeset
585 int start = parser.begin();
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
586 Code exp = SumExpr(inParens);
104
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parents: 99
diff changeset
587 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
588 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
589 if( parser.match("..") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
590 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
591 exp = new ConcatExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) );
104
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parents: 99
diff changeset
592 }
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parents: 99
diff changeset
593 return parser.success(exp);
28
df923e5835b2 fix local initial assignment
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 26
diff changeset
594 }
df923e5835b2 fix local initial assignment
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parents: 26
diff changeset
595
107
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parents: 106
diff changeset
596 private Code SumExpr(boolean inParens) throws ParseException {
104
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parents: 99
diff changeset
597 int start = parser.begin();
107
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parents: 106
diff changeset
598 Code exp = TermExpr(inParens);
104
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parents: 99
diff changeset
599 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
600 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
601 while(true) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
602 if( parser.match('+') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
603 Spaces(inParens);
107
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diff changeset
604 exp = new AddExpr( se(start), expr(exp), required(expr(TermExpr(inParens))) );
104
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605 } else if( Minus() ) {
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diff changeset
606 Spaces(inParens);
107
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diff changeset
607 exp = new SubExpr( se(start), expr(exp), required(expr(TermExpr(inParens))) );
104
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diff changeset
608 } else
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diff changeset
609 break;
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610 }
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diff changeset
611 return parser.success(exp);
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parents: 99
diff changeset
612 }
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diff changeset
613
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
614 private boolean Minus() {
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parents: 99
diff changeset
615 parser.begin();
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diff changeset
616 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
617 }
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parents: 11
diff changeset
618
107
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diff changeset
619 private Code TermExpr(boolean inParens) throws ParseException {
104
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diff changeset
620 int start = parser.begin();
107
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diff changeset
621 Code exp = UnaryExpr(inParens);
104
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diff changeset
622 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
623 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
624 while(true) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
625 if( parser.match('*') ) {
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
626 Spaces(inParens);
107
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diff changeset
627 exp = new MulExpr( se(start), expr(exp), required(expr(UnaryExpr(inParens))) );
104
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diff changeset
628 } else if( parser.match('/') ) {
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diff changeset
629 Spaces(inParens);
107
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diff changeset
630 exp = new DivExpr( se(start), expr(exp), required(expr(UnaryExpr(inParens))) );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
631 } else if( Mod() ) {
104
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diff changeset
632 Spaces(inParens);
107
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633 exp = new ModExpr( se(start), expr(exp), required(expr(UnaryExpr(inParens))) );
104
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diff changeset
634 } else
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diff changeset
635 break;
17
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diff changeset
636 }
104
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diff changeset
637 return parser.success(exp);
17
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diff changeset
638 }
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diff changeset
639
107
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diff changeset
640 private boolean Mod() {
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diff changeset
641 parser.begin();
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diff changeset
642 return parser.match('%') && !parser.match('>') ? parser.success() : parser.failure();
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diff changeset
643 }
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diff changeset
644
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diff changeset
645 private Code UnaryExpr(boolean inParens) throws ParseException {
104
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diff changeset
646 int start = parser.begin();
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diff changeset
647 if( parser.match('#') ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
648 Spaces(inParens);
107
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diff changeset
649 return parser.success( new LenExpr( se(start), required(expr(UnaryExpr(inParens))) ) );
104
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diff changeset
650 }
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diff changeset
651 if( Minus() ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
652 Spaces(inParens);
107
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diff changeset
653 return parser.success( new UnmExpr( se(start), required(expr(UnaryExpr(inParens))) ) );
104
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diff changeset
654 }
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diff changeset
655 if( Keyword("not",inParens) ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
656 Spaces(inParens);
107
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diff changeset
657 return parser.success( new NotExpr( se(start), required(expr(UnaryExpr(inParens))) ) );
104
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diff changeset
658 }
107
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diff changeset
659 Code exp = PowExpr(inParens);
104
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diff changeset
660 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
661 return parser.failure(null);
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diff changeset
662 return parser.success(exp);
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diff changeset
663 }
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diff changeset
664
107
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diff changeset
665 private Code PowExpr(boolean inParens) throws ParseException {
104
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diff changeset
666 int start = parser.begin();
107
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667 Code exp = SingleExpr(inParens);
104
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diff changeset
668 if( exp==null )
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diff changeset
669 return parser.failure(null);
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diff changeset
670 if( parser.match('^') ) {
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parents: 99
diff changeset
671 Spaces(inParens);
107
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672 exp = new ConcatExpr( se(start), expr(exp), required(expr(PowExpr(inParens))) );
104
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diff changeset
673 }
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diff changeset
674 return parser.success(exp);
14
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diff changeset
675 }
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diff changeset
676
107
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diff changeset
677 private Code SingleExpr(boolean inParens) throws ParseException {
104
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diff changeset
678 parser.begin();
107
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diff changeset
679 Code exp;
104
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diff changeset
680 exp = FunctionExpr(inParens);
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diff changeset
681 if( exp != null )
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diff changeset
682 return parser.success(exp);
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diff changeset
683 exp = TableExpr(inParens);
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diff changeset
684 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
685 return parser.success(exp);
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diff changeset
686 exp = VarExp(inParens);
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
687 if( exp != null )
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diff changeset
688 return parser.success(exp);
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diff changeset
689 exp = Literal(inParens);
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diff changeset
690 if( exp != null )
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diff changeset
691 return parser.success(exp);
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diff changeset
692 return parser.failure(null);
14
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diff changeset
693 }
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diff changeset
694
104
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diff changeset
695 private Expr FunctionExpr(boolean inParens) throws ParseException {
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diff changeset
696 if( !Keyword("function",inParens) )
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diff changeset
697 return null;
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diff changeset
698 return RequiredFunction(inParens);
20
d85510d92eee add BreakStmt
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diff changeset
699 }
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diff changeset
700
104
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diff changeset
701 private FnDef RequiredFunction(boolean inParens) throws ParseException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
702 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
703 RequiredMatch('(');
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
704 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
705 frame = new Frame(frame);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
706 List<String> names = NameList(false);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
707 if( names != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
708 addSymbols(names);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
709 if( parser.match(',') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
710 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
711 if( !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
712 throw parser.exception();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
713 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
714 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
715 } else if( parser.match("...") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
716 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
717 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
718 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
719 RequiredMatch(')');
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
720 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
721 Stmt block = RequiredBlock();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
722 RequiredKeyword("end",inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
723 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
724 frame = frame.parent;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
725 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
726 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
727
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
728 private VarArgs VarArgs(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
729 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
730 if( !frame.isVarArg || !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
731 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
732 Spaces(inParens);
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( new VarArgs(se(start)) );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
734 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
735
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
736 private Expr TableExpr(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
737 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
738 if( !parser.match('{') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
739 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
740 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
741 List<TableExpr.Field> fields = new ArrayList<TableExpr.Field>();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
742 ExpList.Builder builder = new ExpList.Builder();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
743 while( Field(fields,builder) && FieldSep() );
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
744 if( !parser.match('}') )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
745 throw parser.exception("Expected table element or '}'");
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
746 return parser.success( new TableExpr( se(start), fields.toArray(new TableExpr.Field[0]), builder.build() ) );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
747 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
748
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
749 private boolean FieldSep() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
750 if( !parser.anyOf(",;") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
751 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
752 Spaces(true);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
753 return true;
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
754 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
755
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
756 private boolean Field(List<TableExpr.Field> fields,ExpList.Builder builder) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
757 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
758 Expr exp = SubExpr(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
759 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
760 exp = NameExpr(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
761 if( exp!=null && parser.match('=') ) {
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
762 fields.add( new TableExpr.Field( exp, required(expr(Expr(true))) ) );
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
763 return parser.success();
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
764 }
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
765 parser.rollback();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
766 Code code = Expr(true);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
767 if( code != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
768 builder.add(code);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
769 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
770 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
771 return parser.failure();
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
772 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
773
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
774 private Code VarExp(boolean inParens) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
775 Var var = VarZ(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
776 return var==null ? null : var.expr();
8
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
777 }
8896068e0a4b finish operators
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 7
diff changeset
778
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
779 private Var VarZ(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
780 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
781 Var var = VarStart(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
782 if( var==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
783 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
784 Var var2;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
785 while( (var2=Var2(inParens,start,var.expr())) != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
786 var = var2;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
787 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
788 return parser.success(var);
7
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
789 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
790
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
791 private Var Var2(boolean inParens,int start,Code exp1) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
792 Var var = VarExt(inParens,start,exp1);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
793 if( var != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
794 return var;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
795 if( parser.match("->") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
796 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
797 ExpList.Builder builder = new ExpList.Builder();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
798 builder.add(exp1);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
799 Expr exp2 = expr(RequiredVarExpB(inParens));
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
800 FnCall fnCall = required(Args( inParens, start, exp2, builder ));
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
801 return exprVar(fnCall);
104
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
802 }
107
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diff changeset
803 FnCall fnCall = Args( inParens, start, expr(exp1), new ExpList.Builder() );
104
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diff changeset
804 if( fnCall != null )
107
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diff changeset
805 return exprVar(fnCall);
104
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diff changeset
806 return null;
21
c93d8c781853 add functions
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parents: 20
diff changeset
807 }
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parents: 20
diff changeset
808
107
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diff changeset
809 private Code RequiredVarExpB(boolean inParens) throws ParseException {
104
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diff changeset
810 int start = parser.begin();
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parents: 99
diff changeset
811 Var var = required(VarStart(inParens));
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
812 Var var2;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
813 while( (var2=VarExt(inParens,start,var.expr())) != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
814 var = var2;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
815 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
816 return parser.success(var.expr());
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
817 }
600676034a1a add variables and tables
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parents: 8
diff changeset
818
107
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diff changeset
819 private Var VarExt(boolean inParens,int start,Code exp1) throws ParseException {
104
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diff changeset
820 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
821 Expr exp2 = SubExpr(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
822 if( exp2 != null )
107
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diff changeset
823 return parser.success(indexVar(start,expr(exp1),exp2));
104
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parents: 99
diff changeset
824 if( parser.match('.') ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
825 Spaces(inParens);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
826 exp2 = NameExpr(inParens);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
827 if( exp2!=null )
107
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parents: 106
diff changeset
828 return parser.success(indexVar(start,expr(exp1),exp2));
104
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parents: 99
diff changeset
829 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
830 return parser.failure(null);
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
831 }
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parents: 9
diff changeset
832
104
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diff changeset
833 private Var VarStart(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
834 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
835 if( parser.match('(') ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
836 Spaces(true);
107
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diff changeset
837 Expr exp = expr(Expr(true));
104
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diff changeset
838 RequiredMatch(')');
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
839 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
840 return parser.success(exprVar(exp));
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
841 }
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parents: 99
diff changeset
842 String name = Name(inParens);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
843 if( name != null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
844 return parser.success(nameVar(start,name));
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
845 return parser.failure(null);
9
600676034a1a add variables and tables
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parents: 8
diff changeset
846 }
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parents: 8
diff changeset
847
104
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parents: 99
diff changeset
848 private Expr env() {
34
0cdc1da466ee implement _G and _ENV
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parents: 33
diff changeset
849 int index = stackIndex(_ENV);
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parents: 33
diff changeset
850 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
851 return new GetLocalVar(null,index);
34
0cdc1da466ee implement _G and _ENV
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parents: 33
diff changeset
852 index = upValueIndex(_ENV);
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parents: 33
diff changeset
853 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
854 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
855 throw new RuntimeException("_ENV not found");
0cdc1da466ee implement _G and _ENV
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parents: 33
diff changeset
856 }
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parents: 33
diff changeset
857
104
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parents: 99
diff changeset
858 private interface Var {
107
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parents: 106
diff changeset
859 public Code expr();
104
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diff changeset
860 public Settable settable();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
861 }
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parents: 99
diff changeset
862
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
863 private Var nameVar(final int start,final String name) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
864 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
865
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parents: 99
diff changeset
866 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
867 int index = stackIndex(name);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
868 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
869 return new GetLocalVar(se(start),index);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
870 index = upValueIndex(name);
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parents: 99
diff changeset
871 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
872 return new GetUpVar(se(start),index);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
873 return new IndexExpr( se(start), env(), new ConstExpr(name) );
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parents: 99
diff changeset
874 }
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parents: 99
diff changeset
875
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
876 public Settable settable() {
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parents: 99
diff changeset
877 int index = stackIndex(name);
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parents: 99
diff changeset
878 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
879 return new SetLocalVar(index);
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parents: 99
diff changeset
880 index = upValueIndex(name);
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parents: 99
diff changeset
881 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
882 return new SetUpVar(index);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
883 return new SetTableEntry( se(start), env(), new ConstExpr(name) );
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parents: 99
diff changeset
884 }
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parents: 99
diff changeset
885 };
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parents: 99
diff changeset
886 }
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parents: 99
diff changeset
887
107
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
888 private Var exprVar(final Code expr) {
104
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
889 return new Var() {
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parents: 99
diff changeset
890
107
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diff changeset
891 public Code expr() {
104
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parents: 99
diff changeset
892 return expr;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
893 }
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parents: 99
diff changeset
894
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parents: 99
diff changeset
895 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
896 return null;
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parents: 99
diff changeset
897 }
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parents: 99
diff changeset
898 };
11
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
899 }
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parents: 9
diff changeset
900
104
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parents: 99
diff changeset
901 private Var indexVar(final int start,final Expr table,final Expr key) {
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parents: 99
diff changeset
902 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
903
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
904 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
905 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
906 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
907
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
908 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
909 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
910 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
911 };
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
912 }
600676034a1a add variables and tables
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parents: 8
diff changeset
913
104
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parents: 99
diff changeset
914 private FnCall Args(boolean inParens,int start,Expr fn,ExpList.Builder builder) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
915 parser.begin();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
916 return args(inParens,builder)
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
917 ? parser.success( new FnCall( se(start), fn, builder.build() ) )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
918 : parser.failure((FnCall)null);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
919 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
920
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
921 private boolean args(boolean inParens,ExpList.Builder builder) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
922 if( parser.match('(') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
923 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
924 ExpList(true,builder); // optional
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
925 if( !parser.match(')') )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
926 throw parser.exception("Expression or ')' expected");
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
927 Spaces(inParens);
107
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parents: 106
diff changeset
928 return true;
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
929 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
930 Expr exp = TableExpr(inParens);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
931 if( exp != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
932 builder.add(exp);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
933 return true;
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
934 }
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
935 String s = StringLiteral(inParens);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
936 if( s != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
937 builder.add( new ConstExpr(s) );
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
938 return true;
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
939 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
940 Expressions exps = JspExpressions();
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
941 if( exps != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
942 builder.add(exps);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
943 return true;
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
944 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
945 return false;
11
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
946 }
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
947
104
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parents: 99
diff changeset
948 private Expressions ExpList() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
949 return ExpList(false);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
950 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
951
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
952 private Expressions ExpList(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
953 ExpList.Builder builder = new ExpList.Builder();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
954 return ExpList(inParens,builder) ? builder.build() : null;
82
8ea2e94f3318 add -> operator
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parents: 65
diff changeset
955 }
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parents: 65
diff changeset
956
104
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parents: 99
diff changeset
957 private boolean ExpList(boolean inParens,ExpList.Builder builder) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
958 parser.begin();
107
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parents: 106
diff changeset
959 Code exp = Expr(inParens);
104
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parents: 99
diff changeset
960 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
961 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
962 builder.add(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
963 while( parser.match(',') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
964 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
965 builder.add( RequiredExpr(inParens) );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
966 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
967 return parser.success();
9
600676034a1a add variables and tables
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parents: 8
diff changeset
968 }
600676034a1a add variables and tables
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parents: 8
diff changeset
969
104
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parents: 99
diff changeset
970 private Expr SubExpr(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
971 parser.begin();
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parents: 99
diff changeset
972 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
973 return parser.failure(null);
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parents: 99
diff changeset
974 Spaces(true);
107
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
975 Expr exp = expr(RequiredExpr(true));
104
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parents: 99
diff changeset
976 RequiredMatch(']');
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
977 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
978 return parser.success(exp);
11
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
979 }
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parents: 9
diff changeset
980
104
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parents: 99
diff changeset
981 private Expr NameExpr(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
982 String name = Name(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
983 return name==null ? null : new ConstExpr(name);
54
f5b27ef14d73 add OutputStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 51
diff changeset
984 }
f5b27ef14d73 add OutputStmt
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parents: 51
diff changeset
985
104
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parents: 99
diff changeset
986 private String RequiredName() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
987 parser.begin();
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parents: 99
diff changeset
988 String name = Name();
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parents: 99
diff changeset
989 if( name==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
990 parser.exception("Name expected");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
991 return parser.success(name);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
992 }
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parents: 99
diff changeset
993
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
994 private String Name() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
995 return Name(false);
11
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
996 }
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
997
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
998 private String Name(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
999 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
1000 if( !NameFirstChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1001 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1002 while( NameChar() );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1003 String match = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1004 if( keywords.contains(match) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1005 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
1006 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1007 return parser.success(match);
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
1008 }
09d41f7490a8 add local variables
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parents: 16
diff changeset
1009
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1010 private boolean NameChar() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1011 return NameFirstChar() || Digit();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1012 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1013
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1014 private boolean NameFirstChar() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1015 return parser.inCharRange('a', 'z') || parser.inCharRange('A', 'Z') || parser.match('_');
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1016 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1017
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1018 private void RequiredMatch(char c) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1019 if( !parser.match(c) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1020 throw parser.exception("'"+c+"' expected");
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1021 }
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parents: 8
diff changeset
1022
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1023 private void RequiredMatch(String s) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1024 if( !parser.match(s) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1025 throw parser.exception("'"+s+"' expected");
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1026 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1027
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1028 private void RequiredKeyword(String keyword) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1029 RequiredKeyword(keyword,false);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1030 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1031
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1032 private boolean Keyword(String keyword) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1033 return Keyword(keyword,false);
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1034 }
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1035
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1036 private void RequiredKeyword(String keyword,boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1037 if( !Keyword(keyword,inParens) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1038 throw parser.exception("'"+keyword+"' expected");
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
1039 }
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
1040
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1041 private boolean Keyword(String keyword,boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1042 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1043 if( !parser.match(keyword) || NameChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1044 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1045 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1046 return parser.success();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1047 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1048
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1049 private static final Set<String> keywords = new HashSet<String>(Arrays.asList(
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1050 "and",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1051 "break",
42
786699c78837 implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
1052 "catch",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1053 "do",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1054 "else",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1055 "elseif",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1056 "end",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1057 "false",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1058 "for",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1059 "function",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1060 "goto",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1061 "if",
108
3c404a296995 make Package module more standard;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 107
diff changeset
1062 "import",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1063 "in",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1064 "local",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1065 "nil",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1066 "not",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1067 "or",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1068 "repeat",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1069 "return",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1070 "then",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1071 "true",
42
786699c78837 implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
1072 "try",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1073 "until",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1074 "while"
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1075 ));
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1076
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1077 private Expr Literal(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1078 if( NilLiteral(inParens) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1079 return new ConstExpr(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1080 Boolean b = BooleanLiteral(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1081 if( b != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1082 return new ConstExpr(b);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1083 Number n = NumberLiteral(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1084 if( n != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1085 return new ConstExpr(n);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1086 String s = StringLiteral(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1087 if( s != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1088 return new ConstExpr(s);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1089 return null;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1090 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1091
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1092 private boolean NilLiteral(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1093 return Keyword("nil",inParens);
65
1ff53a88579a multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
1094 }
1ff53a88579a multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
1095
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1096 private Boolean BooleanLiteral(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1097 if( Keyword("true",inParens) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1098 return true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1099 if( Keyword("false",inParens) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1100 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1101 return null;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1102 }
9ef0fd711101 start LuaParser
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parents:
diff changeset
1103
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1104 private Number NumberLiteral(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1105 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1106 Number n;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1107 if( parser.matchIgnoreCase("0x") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1108 n = HexNumber();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1109 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1110 n = DecNumber();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1111 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1112 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
1113 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
1114 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1115 return parser.success(n);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1116 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1117
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1118 private Number DecNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1119 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
1120 if( Int() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1121 if( parser.match('.') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1122 Int(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1123 } 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
1124 // ok
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1125 } else
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1126 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
1127 Exponent(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1128 return parser.success(Double.valueOf(parser.textFrom(start)));
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1129 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1130
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1131 private boolean Exponent() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1132 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1133 if( !parser.matchIgnoreCase("e") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1134 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1135 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1136 if( !Int() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1137 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1138 return parser.success();
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1139 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1140
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1141 private boolean Int() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1142 if( !Digit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1143 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1144 while( Digit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1145 return true;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1146 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1147
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1148 private boolean Digit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1149 return parser.inCharRange('0', '9');
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1150 }
2a30281ef47c finish number literals;
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parents: 15
diff changeset
1151
104
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parents: 99
diff changeset
1152 private Number HexNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1153 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
1154 double n;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1155 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1156 n = (double)Long.parseLong(parser.textFrom(start),16);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1157 if( parser.match('.') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1158 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1159 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1160 String dec = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1161 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
1162 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1163 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1164 } else if( parser.match('.') && HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1165 String dec = parser.textFrom(start+1);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1166 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
1167 } else {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1168 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
1169 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1170 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
1171 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1172 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1173 if( !HexInt() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1174 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
1175 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
1176 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1177 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
1178 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1179
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1180 private boolean HexInt() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1181 if( !HexDigit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1182 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1183 while( HexDigit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1184 return true;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1185 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1186
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1187
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1188 private boolean HexDigit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1189 return Digit() || parser.anyOf("abcdefABCDEF");
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1190 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1191
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1192 private String StringLiteral(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1193 String s;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1194 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
1195 && (s=QuotedString('\''))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1196 && (s=LongString())==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1197 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1198 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1199 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1200 return s;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1203 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
1204 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1205 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1206 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
1207 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
1208 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1209 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
1210 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1211 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
1212 EndOfLine();
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1213 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1214 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1215 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1216 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
1217 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1218 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
1219 return parser.success(s);
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1220 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1221
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1222 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
1223 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1224 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
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 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
1227 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
1228 Character c = EscSeq();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1229 if( c != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1230 buf.append(c);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1231 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1232 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1233 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
1234 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
1235 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1236 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1237 return parser.success(buf.toString());
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1238 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1239
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1240 private Character EscSeq() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1241 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1242 if( !parser.match('\\') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1243 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
1244 if( parser.match('a') ) return '\u0007';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1245 if( parser.match('b') ) return '\b';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1246 if( parser.match('f') ) return '\f';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1247 if( parser.match('n') ) return '\n';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1248 if( parser.match('r') ) return '\r';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1249 if( parser.match('t') ) return '\t';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1250 if( parser.match('v') ) return '\u000b';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1251 if( parser.match('\\') ) return '\\';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1252 if( parser.match('"') ) return '"';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1253 if( parser.match('\'') ) return '\'';
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1254 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
1255 if( parser.match('x') && HexDigit() && HexDigit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1256 return (char)Integer.parseInt(parser.textFrom(start+1),16);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1257 if( Digit() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1258 if( Digit() ) Digit(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1259 return (char)Integer.parseInt(parser.textFrom(start));
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1260 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1261 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1262 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1263
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1264 private void Spaces() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1265 Spaces(false);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1266 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1267
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1268 private void Spaces(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1269 while( parser.anyOf(" \t") || Comment() || ContinueOnNextLine() || inParens && NewLine() );
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1270 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1271
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1272 private boolean ContinueOnNextLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1273 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1274 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
1275 }
bca8fc5d928b work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 6
diff changeset
1276
104
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parents: 99
diff changeset
1277 private boolean NewLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1278 if( !EndOfLine() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1279 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1280 if( parser.match("--") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1281 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
1282 }
18
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1283 return true;
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1284 }
3971113699b8 add NumericForStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 17
diff changeset
1285
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1286 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
1287 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1288 if( !parser.match("--[") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1289 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1290 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
1291 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1292 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
1293 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1294 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1295 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1296 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1297 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
1298 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1299 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1300 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1301
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1302 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
1303 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1304 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1305 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1306 while( nEquals-- > 0 ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1307 if( !parser.match('=') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1308 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1309 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1310 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1311 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1312 return parser.success();
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1313 }
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1314
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1315 }