| 1 | // $ANTLR 2.7.6 (2005-12-22): "constraint.g" -> "ConstraintParser.java"$ |
| 2 | |
| 3 | package net.sourceforge.hiveevents; |
| 4 | |
| 5 | import java.util.HashMap; |
| 6 | import java.util.Map; |
| 7 | |
| 8 | import net.sourceforge.hiveutils.util.PropertyPathUtils; |
| 9 | |
| 10 | import antlr.TokenBuffer; |
| 11 | import antlr.TokenStreamException; |
| 12 | import antlr.TokenStreamIOException; |
| 13 | import antlr.ANTLRException; |
| 14 | import antlr.LLkParser; |
| 15 | import antlr.Token; |
| 16 | import antlr.TokenStream; |
| 17 | import antlr.RecognitionException; |
| 18 | import antlr.NoViableAltException; |
| 19 | import antlr.MismatchedTokenException; |
| 20 | import antlr.SemanticException; |
| 21 | import antlr.ParserSharedInputState; |
| 22 | import antlr.collections.impl.BitSet; |
| 23 | import antlr.collections.AST; |
| 24 | import java.util.Hashtable; |
| 25 | import antlr.ASTFactory; |
| 26 | import antlr.ASTPair; |
| 27 | import antlr.collections.impl.ASTArray; |
| 28 | |
| 29 | public class ConstraintParser extends antlr.LLkParser implements ConstraintParserTokenTypes |
| 30 | { |
| 31 | |
| 32 | protected ConstraintParser(TokenBuffer tokenBuf, int k) { |
| 33 | super(tokenBuf,k); |
| 34 | tokenNames = _tokenNames; |
| 35 | buildTokenTypeASTClassMap(); |
| 36 | astFactory = new ASTFactory(getTokenTypeToASTClassMap()); |
| 37 | } |
| 38 | |
| 39 | public ConstraintParser(TokenBuffer tokenBuf) { |
| 40 | this(tokenBuf,2); |
| 41 | } |
| 42 | |
| 43 | protected ConstraintParser(TokenStream lexer, int k) { |
| 44 | super(lexer,k); |
| 45 | tokenNames = _tokenNames; |
| 46 | buildTokenTypeASTClassMap(); |
| 47 | astFactory = new ASTFactory(getTokenTypeToASTClassMap()); |
| 48 | } |
| 49 | |
| 50 | public ConstraintParser(TokenStream lexer) { |
| 51 | this(lexer,2); |
| 52 | } |
| 53 | |
| 54 | public ConstraintParser(ParserSharedInputState state) { |
| 55 | super(state,2); |
| 56 | tokenNames = _tokenNames; |
| 57 | buildTokenTypeASTClassMap(); |
| 58 | astFactory = new ASTFactory(getTokenTypeToASTClassMap()); |
| 59 | } |
| 60 | |
| 61 | public final void expr() throws RecognitionException, TokenStreamException { |
| 62 | |
| 63 | returnAST = null; |
| 64 | ASTPair currentAST = new ASTPair(); |
| 65 | AST expr_AST = null; |
| 66 | |
| 67 | try { // for error handling |
| 68 | andexpr(); |
| 69 | astFactory.addASTChild(currentAST, returnAST); |
| 70 | { |
| 71 | _loop3: |
| 72 | do { |
| 73 | if ((LA(1)==OR)) { |
| 74 | AST tmp1_AST = null; |
| 75 | tmp1_AST = astFactory.create(LT(1)); |
| 76 | astFactory.makeASTRoot(currentAST, tmp1_AST); |
| 77 | match(OR); |
| 78 | andexpr(); |
| 79 | astFactory.addASTChild(currentAST, returnAST); |
| 80 | } |
| 81 | else { |
| 82 | break _loop3; |
| 83 | } |
| 84 | |
| 85 | } while (true); |
| 86 | } |
| 87 | expr_AST = (AST)currentAST.root; |
| 88 | } |
| 89 | catch (RecognitionException ex) { |
| 90 | reportError(ex); |
| 91 | recover(ex,_tokenSet_0); |
| 92 | } |
| 93 | returnAST = expr_AST; |
| 94 | } |
| 95 | |
| 96 | public final void andexpr() throws RecognitionException, TokenStreamException { |
| 97 | |
| 98 | returnAST = null; |
| 99 | ASTPair currentAST = new ASTPair(); |
| 100 | AST andexpr_AST = null; |
| 101 | |
| 102 | try { // for error handling |
| 103 | boolexpr(); |
| 104 | astFactory.addASTChild(currentAST, returnAST); |
| 105 | { |
| 106 | _loop6: |
| 107 | do { |
| 108 | if ((LA(1)==AND)) { |
| 109 | AST tmp2_AST = null; |
| 110 | tmp2_AST = astFactory.create(LT(1)); |
| 111 | astFactory.makeASTRoot(currentAST, tmp2_AST); |
| 112 | match(AND); |
| 113 | boolexpr(); |
| 114 | astFactory.addASTChild(currentAST, returnAST); |
| 115 | } |
| 116 | else { |
| 117 | break _loop6; |
| 118 | } |
| 119 | |
| 120 | } while (true); |
| 121 | } |
| 122 | andexpr_AST = (AST)currentAST.root; |
| 123 | } |
| 124 | catch (RecognitionException ex) { |
| 125 | reportError(ex); |
| 126 | recover(ex,_tokenSet_1); |
| 127 | } |
| 128 | returnAST = andexpr_AST; |
| 129 | } |
| 130 | |
| 131 | public final void boolexpr() throws RecognitionException, TokenStreamException { |
| 132 | |
| 133 | returnAST = null; |
| 134 | ASTPair currentAST = new ASTPair(); |
| 135 | AST boolexpr_AST = null; |
| 136 | |
| 137 | try { // for error handling |
| 138 | switch ( LA(1)) { |
| 139 | case BOOL_PROPERTY: |
| 140 | case PROPERTY: |
| 141 | case NUM_LITERAL: |
| 142 | case STR_LITERAL: |
| 143 | { |
| 144 | compexpr(); |
| 145 | astFactory.addASTChild(currentAST, returnAST); |
| 146 | boolexpr_AST = (AST)currentAST.root; |
| 147 | break; |
| 148 | } |
| 149 | case LPAREN: |
| 150 | { |
| 151 | match(LPAREN); |
| 152 | expr(); |
| 153 | astFactory.addASTChild(currentAST, returnAST); |
| 154 | match(RPAREN); |
| 155 | boolexpr_AST = (AST)currentAST.root; |
| 156 | break; |
| 157 | } |
| 158 | default: |
| 159 | { |
| 160 | throw new NoViableAltException(LT(1), getFilename()); |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | catch (RecognitionException ex) { |
| 165 | reportError(ex); |
| 166 | recover(ex,_tokenSet_2); |
| 167 | } |
| 168 | returnAST = boolexpr_AST; |
| 169 | } |
| 170 | |
| 171 | public final void compexpr() throws RecognitionException, TokenStreamException { |
| 172 | |
| 173 | returnAST = null; |
| 174 | ASTPair currentAST = new ASTPair(); |
| 175 | AST compexpr_AST = null; |
| 176 | |
| 177 | try { // for error handling |
| 178 | if (((LA(1) >= PROPERTY && LA(1) <= STR_LITERAL)) && (LA(2)==LT)) { |
| 179 | genexpr(); |
| 180 | astFactory.addASTChild(currentAST, returnAST); |
| 181 | AST tmp5_AST = null; |
| 182 | tmp5_AST = astFactory.create(LT(1)); |
| 183 | astFactory.makeASTRoot(currentAST, tmp5_AST); |
| 184 | match(LT); |
| 185 | genexpr(); |
| 186 | astFactory.addASTChild(currentAST, returnAST); |
| 187 | compexpr_AST = (AST)currentAST.root; |
| 188 | } |
| 189 | else if (((LA(1) >= PROPERTY && LA(1) <= STR_LITERAL)) && (LA(2)==LE)) { |
| 190 | genexpr(); |
| 191 | astFactory.addASTChild(currentAST, returnAST); |
| 192 | AST tmp6_AST = null; |
| 193 | tmp6_AST = astFactory.create(LT(1)); |
| 194 | astFactory.makeASTRoot(currentAST, tmp6_AST); |
| 195 | match(LE); |
| 196 | genexpr(); |
| 197 | astFactory.addASTChild(currentAST, returnAST); |
| 198 | compexpr_AST = (AST)currentAST.root; |
| 199 | } |
| 200 | else if (((LA(1) >= PROPERTY && LA(1) <= STR_LITERAL)) && (LA(2)==GT)) { |
| 201 | genexpr(); |
| 202 | astFactory.addASTChild(currentAST, returnAST); |
| 203 | AST tmp7_AST = null; |
| 204 | tmp7_AST = astFactory.create(LT(1)); |
| 205 | astFactory.makeASTRoot(currentAST, tmp7_AST); |
| 206 | match(GT); |
| 207 | genexpr(); |
| 208 | astFactory.addASTChild(currentAST, returnAST); |
| 209 | compexpr_AST = (AST)currentAST.root; |
| 210 | } |
| 211 | else if (((LA(1) >= PROPERTY && LA(1) <= STR_LITERAL)) && (LA(2)==GE)) { |
| 212 | genexpr(); |
| 213 | astFactory.addASTChild(currentAST, returnAST); |
| 214 | AST tmp8_AST = null; |
| 215 | tmp8_AST = astFactory.create(LT(1)); |
| 216 | astFactory.makeASTRoot(currentAST, tmp8_AST); |
| 217 | match(GE); |
| 218 | genexpr(); |
| 219 | astFactory.addASTChild(currentAST, returnAST); |
| 220 | compexpr_AST = (AST)currentAST.root; |
| 221 | } |
| 222 | else if (((LA(1) >= PROPERTY && LA(1) <= STR_LITERAL)) && (LA(2)==EQ)) { |
| 223 | genexpr(); |
| 224 | astFactory.addASTChild(currentAST, returnAST); |
| 225 | AST tmp9_AST = null; |
| 226 | tmp9_AST = astFactory.create(LT(1)); |
| 227 | astFactory.makeASTRoot(currentAST, tmp9_AST); |
| 228 | match(EQ); |
| 229 | genexpr(); |
| 230 | astFactory.addASTChild(currentAST, returnAST); |
| 231 | compexpr_AST = (AST)currentAST.root; |
| 232 | } |
| 233 | else if (((LA(1) >= PROPERTY && LA(1) <= STR_LITERAL)) && (LA(2)==NE)) { |
| 234 | genexpr(); |
| 235 | astFactory.addASTChild(currentAST, returnAST); |
| 236 | AST tmp10_AST = null; |
| 237 | tmp10_AST = astFactory.create(LT(1)); |
| 238 | astFactory.makeASTRoot(currentAST, tmp10_AST); |
| 239 | match(NE); |
| 240 | genexpr(); |
| 241 | astFactory.addASTChild(currentAST, returnAST); |
| 242 | compexpr_AST = (AST)currentAST.root; |
| 243 | } |
| 244 | else if ((LA(1)==BOOL_PROPERTY)) { |
| 245 | AST tmp11_AST = null; |
| 246 | tmp11_AST = astFactory.create(LT(1)); |
| 247 | astFactory.addASTChild(currentAST, tmp11_AST); |
| 248 | match(BOOL_PROPERTY); |
| 249 | compexpr_AST = (AST)currentAST.root; |
| 250 | } |
| 251 | else { |
| 252 | throw new NoViableAltException(LT(1), getFilename()); |
| 253 | } |
| 254 | |
| 255 | } |
| 256 | catch (RecognitionException ex) { |
| 257 | reportError(ex); |
| 258 | recover(ex,_tokenSet_2); |
| 259 | } |
| 260 | returnAST = compexpr_AST; |
| 261 | } |
| 262 | |
| 263 | public final void genexpr() throws RecognitionException, TokenStreamException { |
| 264 | |
| 265 | returnAST = null; |
| 266 | ASTPair currentAST = new ASTPair(); |
| 267 | AST genexpr_AST = null; |
| 268 | |
| 269 | try { // for error handling |
| 270 | switch ( LA(1)) { |
| 271 | case PROPERTY: |
| 272 | { |
| 273 | AST tmp12_AST = null; |
| 274 | tmp12_AST = astFactory.create(LT(1)); |
| 275 | astFactory.addASTChild(currentAST, tmp12_AST); |
| 276 | match(PROPERTY); |
| 277 | genexpr_AST = (AST)currentAST.root; |
| 278 | break; |
| 279 | } |
| 280 | case NUM_LITERAL: |
| 281 | { |
| 282 | AST tmp13_AST = null; |
| 283 | tmp13_AST = astFactory.create(LT(1)); |
| 284 | astFactory.addASTChild(currentAST, tmp13_AST); |
| 285 | match(NUM_LITERAL); |
| 286 | genexpr_AST = (AST)currentAST.root; |
| 287 | break; |
| 288 | } |
| 289 | case STR_LITERAL: |
| 290 | { |
| 291 | AST tmp14_AST = null; |
| 292 | tmp14_AST = astFactory.create(LT(1)); |
| 293 | astFactory.addASTChild(currentAST, tmp14_AST); |
| 294 | match(STR_LITERAL); |
| 295 | genexpr_AST = (AST)currentAST.root; |
| 296 | break; |
| 297 | } |
| 298 | default: |
| 299 | { |
| 300 | throw new NoViableAltException(LT(1), getFilename()); |
| 301 | } |
| 302 | } |
| 303 | } |
| 304 | catch (RecognitionException ex) { |
| 305 | reportError(ex); |
| 306 | recover(ex,_tokenSet_3); |
| 307 | } |
| 308 | returnAST = genexpr_AST; |
| 309 | } |
| 310 | |
| 311 | |
| 312 | public static final String[] _tokenNames = { |
| 313 | "<0>", |
| 314 | "EOF", |
| 315 | "<2>", |
| 316 | "NULL_TREE_LOOKAHEAD", |
| 317 | "OR", |
| 318 | "AND", |
| 319 | "LPAREN", |
| 320 | "RPAREN", |
| 321 | "LT", |
| 322 | "LE", |
| 323 | "GT", |
| 324 | "GE", |
| 325 | "EQ", |
| 326 | "NE", |
| 327 | "BOOL_PROPERTY", |
| 328 | "PROPERTY", |
| 329 | "NUM_LITERAL", |
| 330 | "STR_LITERAL", |
| 331 | "WS", |
| 332 | "DOT", |
| 333 | "ID" |
| 334 | }; |
| 335 | |
| 336 | protected void buildTokenTypeASTClassMap() { |
| 337 | tokenTypeToASTClassMap=null; |
| 338 | }; |
| 339 | |
| 340 | private static final long[] mk_tokenSet_0() { |
| 341 | long[] data = { 128L, 0L}; |
| 342 | return data; |
| 343 | } |
| 344 | public static final BitSet _tokenSet_0 = new BitSet(mk_tokenSet_0()); |
| 345 | private static final long[] mk_tokenSet_1() { |
| 346 | long[] data = { 144L, 0L}; |
| 347 | return data; |
| 348 | } |
| 349 | public static final BitSet _tokenSet_1 = new BitSet(mk_tokenSet_1()); |
| 350 | private static final long[] mk_tokenSet_2() { |
| 351 | long[] data = { 176L, 0L}; |
| 352 | return data; |
| 353 | } |
| 354 | public static final BitSet _tokenSet_2 = new BitSet(mk_tokenSet_2()); |
| 355 | private static final long[] mk_tokenSet_3() { |
| 356 | long[] data = { 16304L, 0L}; |
| 357 | return data; |
| 358 | } |
| 359 | public static final BitSet _tokenSet_3 = new BitSet(mk_tokenSet_3()); |
| 360 | |
| 361 | } |