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annotate src/luan/interp/LuanParser.java @ 108:3c404a296995

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make Package module more standard; return _ENV by default; add "import" statement; git-svn-id: https://luan-java.googlecode.com/svn/trunk@109 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 23 May 2014 03:21:54 +0000
parents dbf459397217
children 219e05867366
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1 package luan.interp;
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2
12
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3 import java.util.Set;
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4 import java.util.HashSet;
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5 import java.util.Arrays;
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6 import java.util.List;
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7 import java.util.ArrayList;
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8 import java.util.Scanner;
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9 import luan.Luan;
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10 import luan.LuanState;
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11 import luan.LuanSource;
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12 import luan.parser.Parser;
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13 import luan.parser.ParseException;
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14 import luan.lib.PackageLib;
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17 final class LuanParser {
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19 private static final class Frame {
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20 final Frame parent;
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21 final List<String> symbols = new ArrayList<String>();
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22 int stackSize = 0;
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23 int loops = 0;
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24 boolean isVarArg = false;
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25 final List<String> upValueSymbols = new ArrayList<String>();
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26 final List<UpValue.Getter> upValueGetters = new ArrayList<UpValue.Getter>();
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28 Frame(UpValue.Getter envGetter) {
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29 this.parent = null;
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30 upValueSymbols.add(_ENV);
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31 upValueGetters.add(envGetter);
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32 }
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34 Frame(Frame parent) {
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35 this.parent = parent;
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36 if( upValueIndex(_ENV) != 0 )
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37 throw new RuntimeException();
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38 }
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40 int stackIndex(String name) {
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41 int i = symbols.size();
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42 while( --i >= 0 ) {
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43 if( symbols.get(i).equals(name) )
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44 return i;
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45 }
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46 return -1;
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47 }
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48
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49 int upValueIndex(String name) {
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50 int i = upValueSymbols.size();
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51 while( --i >= 0 ) {
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52 if( upValueSymbols.get(i).equals(name) )
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53 return i;
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54 }
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55 if( parent==null )
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56 return -1;
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57 i = parent.stackIndex(name);
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58 if( i != -1 ) {
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59 upValueGetters.add(new UpValue.StackGetter(i));
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60 } else {
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61 i = parent.upValueIndex(name);
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62 if( i == -1 )
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63 return -1;
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64 upValueGetters.add(new UpValue.NestedGetter(i));
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65 }
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66 upValueSymbols.add(name);
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67 return upValueSymbols.size() - 1;
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68 }
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70 void addUpValueGetter(String name,UpValue.Getter upValueGetter) {
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71 upValueSymbols.add(name);
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72 upValueGetters.add(upValueGetter);
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73 }
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74 }
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76 private static final String _ENV = "_ENV";
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77 private static final UpValue.Getter[] NO_UP_VALUE_GETTERS = new UpValue.Getter[0];
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79 private final LuanSource source;
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80 private Frame frame;
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81 private final Parser parser;
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82 private final boolean interactive;
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83
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84 LuanParser(LuanSource source,UpValue.Getter envGetter) {
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85 this.source = source;
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86 this.frame = new Frame(envGetter);
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87 this.parser = new Parser(source.text);
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88 this.interactive = envGetter==UpValue.globalGetter;
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89 }
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91 void addVar(String name,Object value) {
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92 frame.addUpValueGetter(name,new UpValue.ValueGetter(value));
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93 }
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95 private LuanSource.Element se(int start) {
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96 return new LuanSource.Element(source,start,parser.currentIndex());
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97 }
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99 private List<String> symbols() {
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100 return frame.symbols;
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101 }
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102
104
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103 private int symbolsSize() {
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104 return frame.symbols.size();
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105 }
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106
104
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107 private void addSymbol(String name) {
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108 frame.symbols.add(name);
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109 if( frame.stackSize < symbolsSize() )
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110 frame.stackSize = symbolsSize();
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111 }
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112
104
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113 private void addSymbols(List<String> names) {
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114 frame.symbols.addAll(names);
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115 if( frame.stackSize < symbolsSize() )
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116 frame.stackSize = symbolsSize();
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117 }
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118
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119 private int stackIndex(String name) {
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120 return frame.stackIndex(name);
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121 }
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122
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123 private void popSymbols(int n) {
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124 List<String> symbols = frame.symbols;
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125 while( n-- > 0 ) {
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126 symbols.remove(symbols.size()-1);
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127 }
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128 }
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129
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130 private int upValueIndex(String name) {
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131 return frame.upValueIndex(name);
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132 }
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133
104
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134 private void incLoops() {
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135 frame.loops++;
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136 }
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137
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138 private void decLoops() {
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139 frame.loops--;
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140 }
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141
104
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142 private <T> T required(T t) throws ParseException {
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143 if( t==null )
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144 throw parser.exception();
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145 return t;
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146 }
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147
104
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148 private <T> T required(T t,String msg) throws ParseException {
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149 if( t==null )
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150 throw parser.exception(msg);
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151 return t;
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152 }
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153
107
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154 private static Expr expr(Code code) {
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155 if( code instanceof Expressions )
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156 return new ExpressionsExpr((Expressions)code);
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157 return (Expr)code;
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158 }
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159
104
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160 private FnDef newFnDef(int start,Stmt stmt) {
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161 return new FnDef( se(start), stmt, frame.stackSize, symbolsSize(), frame.isVarArg, frame.upValueGetters.toArray(NO_UP_VALUE_GETTERS) );
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162 }
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163
108
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164 FnDef Expressions() throws ParseException {
104
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165 Spaces();
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166 int start = parser.begin();
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167 Expressions exprs = ExpList();
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168 if( exprs != null && parser.endOfInput() ) {
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169 Stmt stmt = new ReturnStmt( se(start), exprs );
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170 return parser.success(newFnDef(start,stmt));
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171 }
108
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172 return parser.failure(null);
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173 }
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174
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175 FnDef RequiredModule() throws ParseException {
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176 Spaces();
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177 int start = parser.begin();
104
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178 frame.isVarArg = true;
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179 Stmt stmt = RequiredBlock();
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180 if( parser.endOfInput() )
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181 return parser.success(newFnDef(start,stmt));
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182 throw parser.exception();
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183 }
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184
104
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185 private Stmt RequiredBlock() throws ParseException {
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186 List<Stmt> stmts = new ArrayList<Stmt>();
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187 int stackStart = symbolsSize();
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188 Stmt(stmts);
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189 while( StmtSep(stmts) ) {
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190 Spaces();
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191 Stmt(stmts);
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192 }
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193 int stackEnd = symbolsSize();
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194 popSymbols( stackEnd - stackStart );
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195 if( stmts.isEmpty() )
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196 return Stmt.EMPTY;
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197 if( stmts.size()==1 && stackStart==stackEnd )
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198 return stmts.get(0);
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199 return new Block( stmts.toArray(new Stmt[0]), stackStart, stackEnd );
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200 }
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201
104
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202 private boolean StmtSep(List<Stmt> stmts) throws ParseException {
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203 parser.begin();
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204 if( parser.match( ';' ) )
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205 return parser.success();
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206 if( parser.match( "--" ) ) {
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207 while( parser.noneOf("\r\n") );
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208 }
107
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209 return EndOfLine() ? parser.success() : parser.failure();
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210 }
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211
104
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212 private boolean EndOfLine() {
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213 return parser.match( "\r\n" ) || parser.match( '\r' ) || parser.match( '\n' );
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214 }
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215
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216 private void Stmt(List<Stmt> stmts) throws ParseException {
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217 if( LocalStmt(stmts) )
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218 return;
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219 Stmt stmt;
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220 if( (stmt=ReturnStmt()) != null
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221 || (stmt=FunctionStmt()) != null
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222 || (stmt=LocalFunctionStmt()) != null
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223 || (stmt=ImportStmt()) != null
104
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224 || (stmt=BreakStmt()) != null
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225 || (stmt=GenericForStmt()) != null
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226 || (stmt=NumericForStmt()) != null
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227 || (stmt=TryStmt()) != null
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228 || (stmt=DoStmt()) != null
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229 || (stmt=WhileStmt()) != null
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230 || (stmt=FunctionStmt()) != null
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231 || (stmt=RepeatStmt()) != null
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232 || (stmt=IfStmt()) != null
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233 || (stmt=SetStmt()) != null
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234 || (stmt=ExpressionsStmt()) != null
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235 ) {
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236 stmts.add(stmt);
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237 }
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238 }
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239
107
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240 private Expressions JspExpressions() throws ParseException {
104
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241 int start = parser.begin();
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242 if( !parser.match( "%>" ) )
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243 return parser.failure(null);
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244 EndOfLine();
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245 ExpList.Builder builder = new ExpList.Builder();
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246 while(true) {
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247 if( parser.match( "<%=" ) ) {
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248 Spaces();
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249 builder.add( RequiredExpr() );
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250 RequiredMatch( "%>" );
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251 } else if( parser.match( "<%" ) ) {
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252 Spaces();
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253 return parser.success(builder.build());
104
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254 } else {
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255 int i = parser.currentIndex();
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256 do {
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257 if( parser.match( "%>" ) )
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258 throw parser.exception("'%>' unexpected");
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259 if( !parser.anyChar() )
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260 throw parser.exception("Unclosed JSP expressions");
104
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261 } while( !parser.test( "<%" ) );
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262 String match = parser.textFrom(i);
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263 builder.add( new ConstExpr(match) );
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264 }
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265 }
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266 }
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267
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268 private Stmt ReturnStmt() throws ParseException {
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269 int start = parser.begin();
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270 if( !Keyword("return") )
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271 return parser.failure(null);
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272 Expressions exprs = ExpList();
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273 if( exprs==null )
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274 exprs = ExpList.emptyExpList;
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275 return parser.success( new ReturnStmt(se(start),exprs) );
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276 }
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277
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278 private Stmt FunctionStmt() throws ParseException {
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279 parser.begin();
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280 if( !Keyword("function") )
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281 return parser.failure(null);
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282
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283 int start = parser.currentIndex();
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284 Var var = nameVar(start,RequiredName());
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285 while( parser.match( '.' ) ) {
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286 Spaces();
107
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287 var = indexVar( start, expr(var.expr()), NameExpr(false) );
104
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288 }
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289 Settable fnName = var.settable();
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290
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291 FnDef fnDef = RequiredFunction(false);
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292 return parser.success( new SetStmt(fnName,fnDef) );
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293 }
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294
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295 private Stmt LocalFunctionStmt() throws ParseException {
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296 parser.begin();
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297 if( !(Keyword("local") && Keyword("function")) )
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298 return parser.failure(null);
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299 String name = RequiredName();
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300 addSymbol( name );
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301 FnDef fnDef = RequiredFunction(false);
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302 return parser.success( new SetStmt( new SetLocalVar(symbolsSize()-1), fnDef ) );
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303 }
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304
108
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305 private Stmt ImportStmt() throws ParseException {
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306 int start = parser.begin();
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307 if( !Keyword("import") )
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308 return parser.failure(null);
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309 Expr importExpr = new ConstExpr(se(start),PackageLib.require);
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310 String modName = StringLiteral(false);
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311 if( modName==null )
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312 return parser.failure(null);
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313 String varName = modName.substring(modName.lastIndexOf('.')+1);
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314 LuanSource.Element se = se(start);
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315 FnCall require = new FnCall( se, importExpr, new ExpList.SingleExpList(new ConstExpr(modName)) );
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316 Settable settable;
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317 if( interactive ) {
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318 settable = new SetTableEntry( se(start), env(), new ConstExpr(varName) );
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319 } else {
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320 addSymbol( varName );
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321 settable = new SetLocalVar(symbolsSize()-1);
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322 }
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323 return parser.success( new SetStmt( settable, expr(require) ) );
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324 }
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325
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326 private Stmt BreakStmt() throws ParseException {
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327 parser.begin();
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328 if( !Keyword("break") )
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329 return parser.failure(null);
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330 if( frame.loops <= 0 )
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331 throw parser.exception("'break' outside of loop");
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332 return parser.success( new BreakStmt() );
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333 }
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334
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335 private Stmt GenericForStmt() throws ParseException {
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336 int start = parser.begin();
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337 int stackStart = symbolsSize();
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338 if( !Keyword("for") )
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339 return parser.failure(null);
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340 List<String> names = RequiredNameList(false);
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341 if( !Keyword("in") )
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342 return parser.failure(null);
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343 Expr expr = expr(RequiredExpr());
104
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344 RequiredKeyword("do");
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345 addSymbols(names);
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346 Stmt loop = RequiredLoopBlock();
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347 RequiredKeyword("end");
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348 Stmt stmt = new GenericForStmt( se(start), stackStart, symbolsSize() - stackStart, expr, loop );
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349 popSymbols( symbolsSize() - stackStart );
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350 return parser.success(stmt);
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351 }
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352
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353 private Stmt NumericForStmt() throws ParseException {
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354 int start = parser.begin();
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355 if( !Keyword("for") )
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356 return parser.failure(null);
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357 String name = RequiredName();
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358 RequiredMatch( "=" );
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359 Spaces();
107
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360 Expr from = expr(RequiredExpr());
106
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361 Expr to;
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362 Expr step;
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363 if( parser.match(',') ) {
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364 Spaces();
107
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365 to = expr(RequiredExpr());
106
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366 if( parser.match(',') ) {
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367 Spaces();
107
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368 step = expr(RequiredExpr());
106
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369 } else {
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370 step = new ConstExpr(1);
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371 }
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372 } else {
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373 RequiredKeyword("to");
107
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374 to = expr(RequiredExpr());
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375 step = Keyword("step") ? expr(RequiredExpr()) : new ConstExpr(1);
106
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376 }
104
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377 addSymbol(name); // add "for" var to symbols
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378 RequiredKeyword("do");
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379 Stmt loop = RequiredLoopBlock();
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380 RequiredKeyword("end");
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381 Stmt stmt = new NumericForStmt( se(start), symbolsSize()-1, from, to, step, loop );
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382 popSymbols(1);
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383 return parser.success(stmt);
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384 }
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385
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386 private Stmt TryStmt() throws ParseException {
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387 parser.begin();
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388 if( !Keyword("try") )
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389 return parser.failure(null);
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390 Stmt tryBlock = RequiredBlock();
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391 RequiredKeyword("catch");
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392 String name = RequiredName();
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393 addSymbol(name);
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394 RequiredKeyword("do");
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395 Stmt catchBlock = RequiredBlock();
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396 RequiredKeyword("end");
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397 Stmt stmt = new TryStmt( tryBlock, symbolsSize()-1, catchBlock );
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398 popSymbols(1);
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399 return parser.success(stmt);
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400 }
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401
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diff changeset
402 private Stmt DoStmt() throws ParseException {
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403 parser.begin();
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404 if( !Keyword("do") )
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405 return parser.failure(null);
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406 Stmt stmt = RequiredBlock();
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407 RequiredKeyword("end");
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408 return parser.success(stmt);
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409 }
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410
104
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411 private boolean LocalStmt(List<Stmt> stmts) throws ParseException {
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diff changeset
412 parser.begin();
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diff changeset
413 if( !Keyword("local") )
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414 return parser.failure();
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415 List<String> names = NameList(false);
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416 if( names==null )
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417 return parser.failure();
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418 if( parser.match( '=' ) ) {
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419 Spaces();
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420 Expressions values = ExpList();
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421 if( values==null )
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422 throw parser.exception("Expressions expected");
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423 SetLocalVar[] vars = new SetLocalVar[names.size()];
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424 int stackStart = symbolsSize();
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425 for( int i=0; i<vars.length; i++ ) {
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426 vars[i] = new SetLocalVar(stackStart+i);
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427 }
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428 stmts.add( new SetStmt( vars, values ) );
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429 }
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430 addSymbols(names);
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431 return parser.success();
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432 }
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433
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434 private List<String> RequiredNameList(boolean inParens) throws ParseException {
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diff changeset
435 parser.begin();
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436 List<String> names = NameList(inParens);
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437 if( names==null )
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438 parser.exception("Name expected");
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439 return parser.success(names);
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440 }
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diff changeset
441
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442 private List<String> NameList(boolean inParens) throws ParseException {
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443 String name = Name(inParens);
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444 if( name==null )
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445 return null;
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446 List<String> names = new ArrayList<String>();
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447 names.add(name);
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448 while( parser.match( ',' ) ) {
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449 Spaces(inParens);
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450 names.add( RequiredName() );
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451 }
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452 return names;
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453 }
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454
104
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diff changeset
455 private Stmt WhileStmt() throws ParseException {
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456 parser.begin();
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457 if( !Keyword("while") )
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458 return parser.failure(null);
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459 Expr cnd = expr(RequiredExpr());
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460 RequiredKeyword("do");
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461 Stmt loop = RequiredLoopBlock();
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462 RequiredKeyword("end");
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463 return parser.success( new WhileStmt(cnd,loop) );
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464 }
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diff changeset
465
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466 private Stmt RepeatStmt() throws ParseException {
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diff changeset
467 parser.begin();
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468 if( !Keyword("repeat") )
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diff changeset
469 return parser.failure(null);
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470 Stmt loop = RequiredLoopBlock();
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471 RequiredKeyword("until");
107
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472 Expr cnd = expr(RequiredExpr());
104
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473 return parser.success( new RepeatStmt(loop,cnd) );
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474 }
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475
104
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476 private Stmt RequiredLoopBlock() throws ParseException {
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477 incLoops();
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478 Stmt stmt = RequiredBlock();
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479 decLoops();
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480 return stmt;
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481 }
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diff changeset
482
104
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diff changeset
483 private Stmt IfStmt() throws ParseException {
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diff changeset
484 parser.begin();
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diff changeset
485 if( !Keyword("if") )
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486 return parser.failure(null);
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487 return parser.success( IfStmt2() );
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diff changeset
488 }
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diff changeset
489
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diff changeset
490 private Stmt IfStmt2() throws ParseException {
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491 Expr cnd = expr(RequiredExpr());
104
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diff changeset
492 RequiredKeyword("then");
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diff changeset
493 Stmt thenBlock = RequiredBlock();
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diff changeset
494 Stmt elseBlock;
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diff changeset
495 if( Keyword("elseif") ) {
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diff changeset
496 elseBlock = IfStmt2();
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diff changeset
497 } else {
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498 elseBlock = Keyword("else") ? RequiredBlock() : Stmt.EMPTY;
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diff changeset
499 RequiredKeyword("end");
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500 }
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diff changeset
501 return new IfStmt(cnd,thenBlock,elseBlock);
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diff changeset
502 }
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diff changeset
503
104
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diff changeset
504 private Stmt SetStmt() throws ParseException {
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diff changeset
505 parser.begin();
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506 List<Settable> vars = new ArrayList<Settable>();
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diff changeset
507 Settable s = SettableVar();
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diff changeset
508 if( s == null )
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diff changeset
509 return parser.failure(null);
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diff changeset
510 vars.add(s);
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diff changeset
511 while( parser.match( ',' ) ) {
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diff changeset
512 Spaces();
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diff changeset
513 s = SettableVar();
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diff changeset
514 if( s == null )
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diff changeset
515 return parser.failure(null);
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diff changeset
516 vars.add(s);
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517 }
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diff changeset
518 if( !parser.match( '=' ) )
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diff changeset
519 return parser.failure(null);
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diff changeset
520 Spaces();
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diff changeset
521 Expressions values = ExpList();
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diff changeset
522 if( values==null )
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diff changeset
523 throw parser.exception("Expressions expected");
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diff changeset
524 return parser.success( new SetStmt( vars.toArray(new Settable[0]), values ) );
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diff changeset
525 }
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diff changeset
526
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diff changeset
527 private Stmt ExpressionsStmt() throws ParseException {
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diff changeset
528 parser.begin();
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diff changeset
529 Expressions exprs = ExpList();
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diff changeset
530 if( exprs==null )
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diff changeset
531 return parser.failure(null);
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diff changeset
532 return parser.success( new ExpressionsStmt(exprs) );
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diff changeset
533 }
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diff changeset
534
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diff changeset
535 private Settable SettableVar() throws ParseException {
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diff changeset
536 int start = parser.begin();
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diff changeset
537 Var var = VarZ(false);
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diff changeset
538 if( var==null )
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diff changeset
539 return null;
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diff changeset
540 return var.settable();
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diff changeset
541 }
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diff changeset
542
107
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543 private Code RequiredExpr() throws ParseException {
104
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diff changeset
544 return RequiredExpr(false);
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diff changeset
545 }
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diff changeset
546
107
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diff changeset
547 private Code Expr() throws ParseException {
104
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diff changeset
548 return Expr(false);
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diff changeset
549 }
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diff changeset
550
107
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diff changeset
551 private Code RequiredExpr(boolean inParens) throws ParseException {
104
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diff changeset
552 parser.begin();
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diff changeset
553 return parser.success(required(Expr(inParens),"Bad expression"));
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diff changeset
554 }
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555
107
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556 private Code Expr(boolean inParens) throws ParseException {
104
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diff changeset
557 parser.begin();
107
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diff changeset
558 Code exp;
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diff changeset
559 return (exp = VarArgs(inParens)) != null
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diff changeset
560 || (exp = JspExpressions()) != null
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diff changeset
561 || (exp = OrExpr(inParens)) != null
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diff changeset
562 ? parser.success(exp)
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diff changeset
563 : parser.failure((Code)null)
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diff changeset
564 ;
19
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diff changeset
565 }
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diff changeset
566
107
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diff changeset
567 private Code OrExpr(boolean inParens) throws ParseException {
104
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diff changeset
568 int start = parser.begin();
107
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diff changeset
569 Code exp = AndExpr(inParens);
104
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diff changeset
570 if( exp==null )
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diff changeset
571 return parser.failure(null);
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diff changeset
572 while( Keyword("or",inParens) ) {
107
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diff changeset
573 exp = new OrExpr( se(start), expr(exp), required(expr(AndExpr(inParens))) );
104
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diff changeset
574 }
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diff changeset
575 return parser.success(exp);
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diff changeset
576 }
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diff changeset
577
107
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diff changeset
578 private Code AndExpr(boolean inParens) throws ParseException {
104
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diff changeset
579 int start = parser.begin();
107
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diff changeset
580 Code exp = RelExpr(inParens);
104
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diff changeset
581 if( exp==null )
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diff changeset
582 return parser.failure(null);
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diff changeset
583 while( Keyword("and",inParens) ) {
107
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diff changeset
584 exp = new AndExpr( se(start), expr(exp), required(expr(RelExpr(inParens))) );
104
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diff changeset
585 }
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diff changeset
586 return parser.success(exp);
18
3971113699b8 add NumericForStmt
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diff changeset
587 }
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diff changeset
588
107
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diff changeset
589 private Code RelExpr(boolean inParens) throws ParseException {
104
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diff changeset
590 int start = parser.begin();
107
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diff changeset
591 Code exp = ConcatExpr(inParens);
104
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diff changeset
592 if( exp==null )
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diff changeset
593 return parser.failure(null);
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parents: 99
diff changeset
594 while(true) {
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parents: 99
diff changeset
595 if( parser.match("==") ) {
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diff changeset
596 Spaces(inParens);
107
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diff changeset
597 exp = new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) );
104
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diff changeset
598 } else if( parser.match("~=") ) {
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diff changeset
599 Spaces(inParens);
107
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diff changeset
600 exp = new NotExpr( se(start), new EqExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) ) );
104
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diff changeset
601 } else if( parser.match("<=") ) {
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diff changeset
602 Spaces(inParens);
107
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diff changeset
603 exp = new LeExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) );
104
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parents: 99
diff changeset
604 } else if( parser.match(">=") ) {
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parents: 99
diff changeset
605 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
606 exp = new LeExpr( se(start), required(expr(ConcatExpr(inParens))), expr(exp) );
104
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parents: 99
diff changeset
607 } else if( parser.match("<") ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
608 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
609 exp = new LtExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) );
104
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parents: 99
diff changeset
610 } else if( parser.match(">") ) {
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parents: 99
diff changeset
611 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
612 exp = new LtExpr( se(start), required(expr(ConcatExpr(inParens))), expr(exp) );
104
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parents: 99
diff changeset
613 } else
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
614 break;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
615 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
616 return parser.success(exp);
42
786699c78837 implement try-catch
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parents: 40
diff changeset
617 }
786699c78837 implement try-catch
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diff changeset
618
107
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diff changeset
619 private Code ConcatExpr(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 = SumExpr(inParens);
104
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diff changeset
622 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
623 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
624 if( parser.match("..") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
625 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
626 exp = new ConcatExpr( se(start), expr(exp), required(expr(ConcatExpr(inParens))) );
104
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diff changeset
627 }
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diff changeset
628 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
629 }
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diff changeset
630
107
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diff changeset
631 private Code SumExpr(boolean inParens) throws ParseException {
104
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diff changeset
632 int start = parser.begin();
107
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diff changeset
633 Code exp = TermExpr(inParens);
104
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diff changeset
634 if( exp==null )
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diff changeset
635 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
636 while(true) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
637 if( parser.match('+') ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
638 Spaces(inParens);
107
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diff changeset
639 exp = new AddExpr( se(start), expr(exp), required(expr(TermExpr(inParens))) );
104
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diff changeset
640 } else if( Minus() ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
641 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
642 exp = new SubExpr( se(start), expr(exp), required(expr(TermExpr(inParens))) );
104
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diff changeset
643 } else
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diff changeset
644 break;
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diff changeset
645 }
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parents: 99
diff changeset
646 return parser.success(exp);
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parents: 99
diff changeset
647 }
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parents: 99
diff changeset
648
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
649 private boolean Minus() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
650 parser.begin();
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diff changeset
651 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
652 }
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
653
107
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diff changeset
654 private Code TermExpr(boolean inParens) throws ParseException {
104
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diff changeset
655 int start = parser.begin();
107
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diff changeset
656 Code exp = UnaryExpr(inParens);
104
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diff changeset
657 if( exp==null )
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diff changeset
658 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
659 while(true) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
660 if( parser.match('*') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
661 Spaces(inParens);
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
662 exp = new MulExpr( se(start), expr(exp), required(expr(UnaryExpr(inParens))) );
104
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diff changeset
663 } else if( parser.match('/') ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
664 Spaces(inParens);
107
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diff changeset
665 exp = new DivExpr( se(start), expr(exp), required(expr(UnaryExpr(inParens))) );
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parents: 106
diff changeset
666 } else if( Mod() ) {
104
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diff changeset
667 Spaces(inParens);
107
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diff changeset
668 exp = new ModExpr( se(start), expr(exp), required(expr(UnaryExpr(inParens))) );
104
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diff changeset
669 } else
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parents: 99
diff changeset
670 break;
17
09d41f7490a8 add local variables
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diff changeset
671 }
104
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diff changeset
672 return parser.success(exp);
17
09d41f7490a8 add local variables
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parents: 16
diff changeset
673 }
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diff changeset
674
107
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diff changeset
675 private boolean Mod() {
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parents: 106
diff changeset
676 parser.begin();
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diff changeset
677 return parser.match('%') && !parser.match('>') ? parser.success() : parser.failure();
dbf459397217 change OutputStatement to JspExpressions;
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parents: 106
diff changeset
678 }
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parents: 106
diff changeset
679
dbf459397217 change OutputStatement to JspExpressions;
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diff changeset
680 private Code UnaryExpr(boolean inParens) throws ParseException {
104
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diff changeset
681 int start = parser.begin();
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diff changeset
682 if( parser.match('#') ) {
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
683 Spaces(inParens);
107
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diff changeset
684 return parser.success( new LenExpr( se(start), required(expr(UnaryExpr(inParens))) ) );
104
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diff changeset
685 }
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parents: 99
diff changeset
686 if( Minus() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
687 Spaces(inParens);
107
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diff changeset
688 return parser.success( new UnmExpr( se(start), required(expr(UnaryExpr(inParens))) ) );
104
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diff changeset
689 }
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parents: 99
diff changeset
690 if( Keyword("not",inParens) ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
691 Spaces(inParens);
107
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diff changeset
692 return parser.success( new NotExpr( se(start), required(expr(UnaryExpr(inParens))) ) );
104
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diff changeset
693 }
107
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diff changeset
694 Code exp = PowExpr(inParens);
104
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diff changeset
695 if( exp==null )
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diff changeset
696 return parser.failure(null);
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diff changeset
697 return parser.success(exp);
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diff changeset
698 }
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diff changeset
699
107
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diff changeset
700 private Code PowExpr(boolean inParens) throws ParseException {
104
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parents: 99
diff changeset
701 int start = parser.begin();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
702 Code exp = SingleExpr(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
703 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
704 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
705 if( parser.match('^') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
706 Spaces(inParens);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
707 exp = new ConcatExpr( se(start), expr(exp), required(expr(PowExpr(inParens))) );
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
708 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
709 return parser.success(exp);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
710 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
711
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
712 private Code SingleExpr(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
713 parser.begin();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
714 Code exp;
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
715 exp = FunctionExpr(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
716 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
717 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
718 exp = TableExpr(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
719 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
720 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
721 exp = VarExp(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
722 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
723 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
724 exp = Literal(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
725 if( exp != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
726 return parser.success(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
727 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
728 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
729
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
730 private Expr FunctionExpr(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
731 if( !Keyword("function",inParens) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
732 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
733 return RequiredFunction(inParens);
20
d85510d92eee add BreakStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
734 }
d85510d92eee add BreakStmt
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
735
104
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parents: 99
diff changeset
736 private FnDef RequiredFunction(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 RequiredMatch('(');
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
739 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
740 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
741 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
742 if( names != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
743 addSymbols(names);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
744 if( parser.match(',') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
745 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
746 if( !parser.match("...") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
747 throw parser.exception();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
748 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
749 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
750 } 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
751 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
752 frame.isVarArg = true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
753 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
754 RequiredMatch(')');
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
755 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
756 Stmt block = RequiredBlock();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
757 RequiredKeyword("end",inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
758 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
759 frame = frame.parent;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
760 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
761 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
762
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
763 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
764 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
765 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
766 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
767 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
768 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
769 }
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 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
772 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
773 if( !parser.match('{') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
774 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
775 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
776 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
777 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
778 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
779 if( !parser.match('}') )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
780 throw parser.exception("Expected table element or '}'");
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
781 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
782 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
783
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
784 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
785 if( !parser.anyOf(",;") )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
786 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
787 Spaces(true);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
788 return true;
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
789 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
790
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
791 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
792 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
793 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
794 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
795 exp = NameExpr(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
796 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
797 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
798 return parser.success();
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
799 }
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
800 parser.rollback();
107
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diff changeset
801 Code code = Expr(true);
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parents: 106
diff changeset
802 if( code != null ) {
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parents: 106
diff changeset
803 builder.add(code);
104
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diff changeset
804 return parser.success();
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parents: 99
diff changeset
805 }
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diff changeset
806 return parser.failure();
7
bca8fc5d928b work on expressions
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parents: 6
diff changeset
807 }
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parents: 6
diff changeset
808
107
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diff changeset
809 private Code VarExp(boolean inParens) throws ParseException {
104
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diff changeset
810 Var var = VarZ(inParens);
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diff changeset
811 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
812 }
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parents: 7
diff changeset
813
104
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parents: 99
diff changeset
814 private Var VarZ(boolean inParens) throws ParseException {
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parents: 99
diff changeset
815 int start = parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
816 Var var = VarStart(inParens);
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parents: 99
diff changeset
817 if( var==null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
818 return parser.failure(null);
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parents: 99
diff changeset
819 Var var2;
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parents: 99
diff changeset
820 while( (var2=Var2(inParens,start,var.expr())) != null ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
821 var = var2;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
822 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
823 return parser.success(var);
7
bca8fc5d928b work on expressions
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parents: 6
diff changeset
824 }
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diff changeset
825
107
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diff changeset
826 private Var Var2(boolean inParens,int start,Code exp1) throws ParseException {
104
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diff changeset
827 Var var = VarExt(inParens,start,exp1);
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parents: 99
diff changeset
828 if( var != null )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
829 return var;
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parents: 99
diff changeset
830 if( parser.match("->") ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
831 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
832 ExpList.Builder builder = new ExpList.Builder();
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parents: 99
diff changeset
833 builder.add(exp1);
107
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diff changeset
834 Expr exp2 = expr(RequiredVarExpB(inParens));
104
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diff changeset
835 FnCall fnCall = required(Args( inParens, start, exp2, builder ));
107
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diff changeset
836 return exprVar(fnCall);
104
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parents: 99
diff changeset
837 }
107
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diff changeset
838 FnCall fnCall = Args( inParens, start, expr(exp1), new ExpList.Builder() );
104
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diff changeset
839 if( fnCall != null )
107
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diff changeset
840 return exprVar(fnCall);
104
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diff changeset
841 return null;
21
c93d8c781853 add functions
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parents: 20
diff changeset
842 }
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parents: 20
diff changeset
843
107
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diff changeset
844 private Code RequiredVarExpB(boolean inParens) throws ParseException {
104
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diff changeset
845 int start = parser.begin();
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diff changeset
846 Var var = required(VarStart(inParens));
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diff changeset
847 Var var2;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
848 while( (var2=VarExt(inParens,start,var.expr())) != null ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
849 var = var2;
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parents: 99
diff changeset
850 }
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parents: 99
diff changeset
851 return parser.success(var.expr());
9
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parents: 8
diff changeset
852 }
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parents: 8
diff changeset
853
107
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diff changeset
854 private Var VarExt(boolean inParens,int start,Code exp1) throws ParseException {
104
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parents: 99
diff changeset
855 parser.begin();
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parents: 99
diff changeset
856 Expr exp2 = SubExpr(inParens);
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parents: 99
diff changeset
857 exp2 = SubExpr(inParens);
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parents: 99
diff changeset
858 if( exp2 != null )
107
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diff changeset
859 return parser.success(indexVar(start,expr(exp1),exp2));
104
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parents: 99
diff changeset
860 if( parser.match('.') ) {
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parents: 99
diff changeset
861 Spaces(inParens);
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parents: 99
diff changeset
862 exp2 = NameExpr(inParens);
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parents: 99
diff changeset
863 if( exp2!=null )
107
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diff changeset
864 return parser.success(indexVar(start,expr(exp1),exp2));
104
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parents: 99
diff changeset
865 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
866 return parser.failure(null);
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
867 }
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diff changeset
868
104
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diff changeset
869 private Var VarStart(boolean inParens) throws ParseException {
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parents: 99
diff changeset
870 int start = parser.begin();
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parents: 99
diff changeset
871 if( parser.match('(') ) {
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diff changeset
872 Spaces(true);
107
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diff changeset
873 Expr exp = expr(Expr(true));
104
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diff changeset
874 RequiredMatch(')');
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parents: 99
diff changeset
875 Spaces(inParens);
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parents: 99
diff changeset
876 return parser.success(exprVar(exp));
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parents: 99
diff changeset
877 }
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parents: 99
diff changeset
878 String name = Name(inParens);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
879 if( name != null )
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diff changeset
880 return parser.success(nameVar(start,name));
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parents: 99
diff changeset
881 return parser.failure(null);
9
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parents: 8
diff changeset
882 }
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diff changeset
883
104
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diff changeset
884 private Expr env() {
34
0cdc1da466ee implement _G and _ENV
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diff changeset
885 int index = stackIndex(_ENV);
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diff changeset
886 if( index != -1 )
40
e3624b7cd603 implement stack trace
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
887 return new GetLocalVar(null,index);
34
0cdc1da466ee implement _G and _ENV
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parents: 33
diff changeset
888 index = upValueIndex(_ENV);
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diff changeset
889 if( index != -1 )
40
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parents: 35
diff changeset
890 return new GetUpVar(null,index);
34
0cdc1da466ee implement _G and _ENV
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parents: 33
diff changeset
891 throw new RuntimeException("_ENV not found");
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parents: 33
diff changeset
892 }
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parents: 33
diff changeset
893
104
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diff changeset
894 private interface Var {
107
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diff changeset
895 public Code expr();
104
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diff changeset
896 public Settable settable();
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diff changeset
897 }
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parents: 99
diff changeset
898
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
899 private Var nameVar(final int start,final String name) {
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diff changeset
900 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
901
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
902 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
903 int index = stackIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
904 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
905 return new GetLocalVar(se(start),index);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
906 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
907 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
908 return new GetUpVar(se(start),index);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
909 return new IndexExpr( se(start), env(), new ConstExpr(name) );
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
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
912 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
913 int index = stackIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
914 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
915 return new SetLocalVar(index);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
916 index = upValueIndex(name);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
917 if( index != -1 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
918 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
919 return new SetTableEntry( se(start), env(), new ConstExpr(name) );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
920 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
921 };
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
922 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
923
107
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
924 private Var exprVar(final Code expr) {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
925 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
926
107
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parents: 106
diff changeset
927 public Code expr() {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
928 return expr;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
929 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
930
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
931 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
932 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
933 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
934 };
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
935 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
936
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
937 private Var indexVar(final int start,final Expr table,final Expr key) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
938 return new Var() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
939
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
940 public Expr expr() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
941 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
942 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
943
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
944 public Settable settable() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
945 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
946 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
947 };
9
600676034a1a add variables and tables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 8
diff changeset
948 }
600676034a1a add variables and tables
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parents: 8
diff changeset
949
104
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parents: 99
diff changeset
950 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
951 parser.begin();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
952 return args(inParens,builder)
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
953 ? 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
954 : parser.failure((FnCall)null);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
955 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
956
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
957 private boolean args(boolean inParens,ExpList.Builder builder) throws ParseException {
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
958 if( parser.match('(') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
959 Spaces(true);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
960 ExpList(true,builder); // optional
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
961 if( !parser.match(')') )
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
962 throw parser.exception("Expression or ')' expected");
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
963 Spaces(inParens);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
964 return true;
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
965 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
966 Expr exp = TableExpr(inParens);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
967 if( exp != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
968 builder.add(exp);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
969 return true;
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
970 }
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
971 String s = StringLiteral(inParens);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
972 if( s != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
973 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
974 return true;
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
975 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
976 Expressions exps = JspExpressions();
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
977 if( exps != null ) {
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
978 builder.add(exps);
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
979 return true;
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
980 }
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
981 return false;
11
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
982 }
b7d7069fee58 add assignment statement and CmdLine
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 9
diff changeset
983
104
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parents: 99
diff changeset
984 private Expressions ExpList() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
985 return ExpList(false);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
986 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
987
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
988 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
989 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
990 return ExpList(inParens,builder) ? builder.build() : null;
82
8ea2e94f3318 add -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 65
diff changeset
991 }
8ea2e94f3318 add -> operator
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 65
diff changeset
992
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
993 private boolean ExpList(boolean inParens,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
994 parser.begin();
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
995 Code exp = Expr(inParens);
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
996 if( exp==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
997 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
998 builder.add(exp);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
999 while( parser.match(',') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1000 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1001 builder.add( RequiredExpr(inParens) );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1002 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1003 return parser.success();
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1004 }
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parents: 8
diff changeset
1005
104
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parents: 99
diff changeset
1006 private Expr SubExpr(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1007 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1008 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1009 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1010 Spaces(true);
107
dbf459397217 change OutputStatement to JspExpressions;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 106
diff changeset
1011 Expr exp = expr(RequiredExpr(true));
104
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diff changeset
1012 RequiredMatch(']');
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1013 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1014 return parser.success(exp);
11
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
1015 }
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
1016
104
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parents: 99
diff changeset
1017 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
1018 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
1019 return name==null ? null : new ConstExpr(name);
54
f5b27ef14d73 add OutputStmt
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parents: 51
diff changeset
1020 }
f5b27ef14d73 add OutputStmt
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parents: 51
diff changeset
1021
104
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parents: 99
diff changeset
1022 private String RequiredName() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1023 parser.begin();
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parents: 99
diff changeset
1024 String name = Name();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1025 if( name==null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1026 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
1027 return parser.success(name);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1028 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1029
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1030 private String Name() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1031 return Name(false);
11
b7d7069fee58 add assignment statement and CmdLine
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parents: 9
diff changeset
1032 }
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parents: 9
diff changeset
1033
104
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parents: 99
diff changeset
1034 private String Name(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
1035 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
1036 if( !NameFirstChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1037 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
1038 while( NameChar() );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1039 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
1040 if( keywords.contains(match) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1041 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1042 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1043 return parser.success(match);
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1044 }
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parents: 16
diff changeset
1045
104
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parents: 99
diff changeset
1046 private boolean NameChar() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1047 return NameFirstChar() || Digit();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1048 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1049
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1050 private boolean NameFirstChar() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1051 return parser.inCharRange('a', 'z') || parser.inCharRange('A', 'Z') || parser.match('_');
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1052 }
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parents: 99
diff changeset
1053
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1054 private void RequiredMatch(char c) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1055 if( !parser.match(c) )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1056 throw parser.exception("'"+c+"' expected");
9
600676034a1a add variables and tables
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parents: 8
diff changeset
1057 }
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parents: 8
diff changeset
1058
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1059 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
1060 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
1061 throw parser.exception("'"+s+"' expected");
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1062 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1063
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1064 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
1065 RequiredKeyword(keyword,false);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1066 }
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parents: 99
diff changeset
1067
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1068 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
1069 return Keyword(keyword,false);
17
09d41f7490a8 add local variables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 16
diff changeset
1070 }
09d41f7490a8 add local variables
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parents: 16
diff changeset
1071
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1072 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
1073 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
1074 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
1075 }
600676034a1a add variables and tables
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parents: 8
diff changeset
1076
104
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1077 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
1078 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1079 if( !parser.match(keyword) || NameChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1080 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1081 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1082 return parser.success();
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1083 }
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1084
104
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parents: 99
diff changeset
1085 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
1086 "and",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1087 "break",
42
786699c78837 implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
1088 "catch",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1089 "do",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1090 "else",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1091 "elseif",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1092 "end",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1093 "false",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1094 "for",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1095 "function",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1096 "goto",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1097 "if",
108
3c404a296995 make Package module more standard;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 107
diff changeset
1098 "import",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1099 "in",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1100 "local",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1101 "nil",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1102 "not",
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1103 "or",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1104 "repeat",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1105 "return",
33
8793c71ad47a change numeric for syntax
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 32
diff changeset
1106 "step",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1107 "then",
33
8793c71ad47a change numeric for syntax
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 32
diff changeset
1108 "to",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1109 "true",
42
786699c78837 implement try-catch
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 40
diff changeset
1110 "try",
12
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1111 "until",
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1112 "while"
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1113 ));
9cea1aea5eef CmdLine can run files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 11
diff changeset
1114
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1115 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
1116 if( NilLiteral(inParens) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1117 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
1118 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
1119 if( b != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1120 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
1121 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
1122 if( n != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1123 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
1124 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
1125 if( s != null )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1126 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
1127 return null;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1128 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1129
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1130 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
1131 return Keyword("nil",inParens);
65
1ff53a88579a multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
1132 }
1ff53a88579a multi-line statements
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
1133
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1134 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
1135 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
1136 return true;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1137 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
1138 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1139 return null;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1140 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1141
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1142 private Number NumberLiteral(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
1143 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1144 Number n;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1145 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
1146 n = HexNumber();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1147 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1148 n = DecNumber();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1149 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1150 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
1151 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
1152 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1153 return parser.success(n);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1154 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1155
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1156 private Number DecNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1157 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
1158 if( Int() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1159 if( parser.match('.') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1160 Int(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1161 } 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
1162 // ok
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1163 } else
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1164 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1165 Exponent(); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1166 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
1167 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1168
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1169 private boolean Exponent() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1170 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1171 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
1172 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1173 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1174 if( !Int() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1175 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1176 return parser.success();
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1177 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1178
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1179 private boolean Int() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1180 if( !Digit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1181 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1182 while( Digit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1183 return true;
5
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1184 }
9ef0fd711101 start LuaParser
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1185
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1186 private boolean Digit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1187 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
1188 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1189
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1190 private Number HexNumber() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1191 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
1192 double n;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1193 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1194 n = (double)Long.parseLong(parser.textFrom(start),16);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1195 if( parser.match('.') ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1196 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1197 if( HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1198 String dec = parser.textFrom(start);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1199 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
1200 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1201 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1202 } else if( parser.match('.') && HexInt() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1203 String dec = parser.textFrom(start+1);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1204 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
1205 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1208 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
1209 parser.anyOf("+-"); // optional
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1210 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1211 if( !HexInt() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1212 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
1213 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
1214 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1215 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
1216 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1217
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1218 private boolean HexInt() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1219 if( !HexDigit() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1220 return false;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1221 while( HexDigit() );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1222 return true;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1223 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1224
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1225
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1226 private boolean HexDigit() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1227 return Digit() || parser.anyOf("abcdefABCDEF");
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1228 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1229
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1230 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
1231 String s;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1232 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
1233 && (s=QuotedString('\''))==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1234 && (s=LongString())==null
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1235 )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1236 return null;
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1237 Spaces(inParens);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1238 return s;
16
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1239 }
2a30281ef47c finish number literals;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 15
diff changeset
1240
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1241 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
1242 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1243 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1244 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
1245 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
1246 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1247 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
1248 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1249 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
1250 start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1251 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1252 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1253 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
1254 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1255 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
1256 return parser.success(s);
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1257 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1258
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1259 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
1260 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1261 if( !parser.match(quote) )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1262 return parser.failure(null);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1263 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
1264 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
1265 Character c = EscSeq();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1266 if( c != null ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1267 buf.append(c);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1268 } else {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1269 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1270 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
1271 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
1272 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1273 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1274 return parser.success(buf.toString());
6
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1275 }
a315783c9524 more parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 5
diff changeset
1276
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1277 private Character EscSeq() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1278 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1279 if( !parser.match('\\') )
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1280 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
1281 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
1282 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
1283 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
1284 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
1285 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
1286 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
1287 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
1288 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
1289 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
1290 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
1291 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
1292 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
1293 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
1294 if( Digit() ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1295 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
1296 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
1297 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1298 return parser.failure(null);
14
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1299 }
2ddf85634d20 whitespace handling;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 12
diff changeset
1300
104
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1301 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
1302 Spaces(false);
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1303 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1304
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1305 private void Spaces(boolean inParens) throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
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1306 while( parser.anyOf(" \t") || Comment() || ContinueOnNextLine() || inParens && NewLine() );
14
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1307 }
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parents: 12
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1308
104
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parents: 99
diff changeset
1309 private boolean ContinueOnNextLine() {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1310 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1311 return parser.match('\\') && EndOfLine() ? parser.success() : parser.failure();
7
bca8fc5d928b work on expressions
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parents: 6
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1312 }
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parents: 6
diff changeset
1313
104
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1314 private boolean NewLine() {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1315 if( !EndOfLine() )
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1316 return false;
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1317 if( parser.match("--") ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1318 while( parser.noneOf("\r\n") );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
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1319 }
18
3971113699b8 add NumericForStmt
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parents: 17
diff changeset
1320 return true;
3971113699b8 add NumericForStmt
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parents: 17
diff changeset
1321 }
3971113699b8 add NumericForStmt
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parents: 17
diff changeset
1322
104
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parents: 99
diff changeset
1323 private boolean Comment() throws ParseException {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1324 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1325 if( !parser.match("--[") )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1326 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1327 int start = parser.currentIndex();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1328 while( parser.match('=') );
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1329 int nEquals = parser.currentIndex() - start;
754e6030c029 remove parboiled and rewrite parser;
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diff changeset
1330 if( !parser.match('[') )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1331 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1332 while( !LongBracketsEnd(nEquals) ) {
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1333 if( !parser.anyChar() )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1334 throw parser.exception("Unclosed comment");
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1335 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1336 return parser.success();
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1337 }
754e6030c029 remove parboiled and rewrite parser;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 99
diff changeset
1338
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1339 private boolean LongBracketsEnd(int nEquals) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1340 parser.begin();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1341 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1342 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1343 while( nEquals-- > 0 ) {
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1344 if( !parser.match('=') )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1345 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1346 }
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1347 if( !parser.match(']') )
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1348 return parser.failure();
754e6030c029 remove parboiled and rewrite parser;
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parents: 99
diff changeset
1349 return parser.success();
12
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1350 }
9cea1aea5eef CmdLine can run files
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parents: 11
diff changeset
1351
5
9ef0fd711101 start LuaParser
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diff changeset
1352 }