Examples with ParserRuleReturnScope org.antlr.runtime.ParserRuleReturnScope used on opensource projects

Example 1 with ParserRuleReturnScope

use of org.antlr.runtime.ParserRuleReturnScope in project drools by kiegroup.

the class DSLMapParser method statement.

// $ANTLR start "statement"
// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:111:1: statement : ( entry | EOL !);
public final DSLMapParser.statement_return statement() throws RecognitionException {
    DSLMapParser.statement_return retval = new DSLMapParser.statement_return();
    retval.start = input.LT(1);
    Object root_0 = null;
    Token EOL3 = null;
    ParserRuleReturnScope entry2 = null;
    Object EOL3_tree = null;
    try {
        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:112:5: ( entry | EOL !)
        int alt2 = 2;
        int LA2_0 = input.LA(1);
        if ((LA2_0 == LEFT_SQUARE)) {
            alt2 = 1;
        } else if ((LA2_0 == EOL)) {
            alt2 = 2;
        } else {
            if (state.backtracking > 0) {
                state.failed = true;
                return retval;
            }
            NoViableAltException nvae = new NoViableAltException("", 2, 0, input);
            throw nvae;
        }
        switch(alt2) {
            case 1:
                // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:112:7: entry
                {
                    root_0 = (Object) adaptor.nil();
                    pushFollow(FOLLOW_entry_in_statement306);
                    entry2 = entry();
                    state._fsp--;
                    if (state.failed)
                        return retval;
                    if (state.backtracking == 0)
                        adaptor.addChild(root_0, entry2.getTree());
                }
                break;
            case 2:
                // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:113:7: EOL !
                {
                    root_0 = (Object) adaptor.nil();
                    EOL3 = (Token) match(input, EOL, FOLLOW_EOL_in_statement314);
                    if (state.failed)
                        return retval;
                }
                break;
        }
        retval.stop = input.LT(-1);
        if (state.backtracking == 0) {
            retval.tree = (Object) adaptor.rulePostProcessing(root_0);
            adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
        }
    } catch (RecognitionException re) {
        reportError(re);
        recover(input, re);
        retval.tree = (Object) adaptor.errorNode(input, retval.start, input.LT(-1), re);
    } finally {
    // do for sure before leaving
    }
    return retval;
}

Example 2 with ParserRuleReturnScope

use of org.antlr.runtime.ParserRuleReturnScope in project drools by kiegroup.

the class DSLMapParser method value_sentence.

// $ANTLR start "value_sentence"
// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:172:1: value_sentence : ( variable_reference |vc= value_chunk -> VT_LITERAL[$vc.start, text] );
public final DSLMapParser.value_sentence_return value_sentence() throws RecognitionException {
    DSLMapParser.value_sentence_return retval = new DSLMapParser.value_sentence_return();
    retval.start = input.LT(1);
    Object root_0 = null;
    ParserRuleReturnScope vc = null;
    ParserRuleReturnScope variable_reference19 = null;
    RewriteRuleSubtreeStream stream_value_chunk = new RewriteRuleSubtreeStream(adaptor, "rule value_chunk");
    String text = "";
    try {
        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:176:5: ( variable_reference |vc= value_chunk -> VT_LITERAL[$vc.start, text] )
        int alt12 = 2;
        int LA12_0 = input.LA(1);
        if ((LA12_0 == LEFT_CURLY)) {
            alt12 = 1;
        } else if (((LA12_0 >= COLON && LA12_0 <= DOT) || LA12_0 == EQUALS || (LA12_0 >= LEFT_SQUARE && LA12_0 <= LITERAL) || LA12_0 == RIGHT_SQUARE)) {
            alt12 = 2;
        } else {
            if (state.backtracking > 0) {
                state.failed = true;
                return retval;
            }
            NoViableAltException nvae = new NoViableAltException("", 12, 0, input);
            throw nvae;
        }
        switch(alt12) {
            case 1:
                // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:176:7: variable_reference
                {
                    root_0 = (Object) adaptor.nil();
                    pushFollow(FOLLOW_variable_reference_in_value_sentence703);
                    variable_reference19 = variable_reference();
                    state._fsp--;
                    if (state.failed)
                        return retval;
                    if (state.backtracking == 0)
                        adaptor.addChild(root_0, variable_reference19.getTree());
                }
                break;
            case 2:
                // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:177:7: vc= value_chunk
                {
                    pushFollow(FOLLOW_value_chunk_in_value_sentence713);
                    vc = value_chunk();
                    state._fsp--;
                    if (state.failed)
                        return retval;
                    if (state.backtracking == 0)
                        stream_value_chunk.add(vc.getTree());
                    if (state.backtracking == 0) {
                        text = (vc != null ? input.toString(vc.start, vc.stop) : null);
                    }
                    // wildcard labels:
                    if (state.backtracking == 0) {
                        retval.tree = root_0;
                        RewriteRuleSubtreeStream stream_retval = new RewriteRuleSubtreeStream(adaptor, "rule retval", retval != null ? retval.getTree() : null);
                        root_0 = (Object) adaptor.nil();
                        // 178:5: -> VT_LITERAL[$vc.start, text]
                        {
                            adaptor.addChild(root_0, (Object) adaptor.create(VT_LITERAL, (vc != null ? (vc.start) : null), text));
                        }
                        retval.tree = root_0;
                    }
                }
                break;
        }
        retval.stop = input.LT(-1);
        if (state.backtracking == 0) {
            retval.tree = (Object) adaptor.rulePostProcessing(root_0);
            adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
        }
    } catch (RecognitionException re) {
        reportError(re);
        recover(input, re);
        retval.tree = (Object) adaptor.errorNode(input, retval.start, input.LT(-1), re);
    } finally {
    // do for sure before leaving
    }
    return retval;
}

Example 3 with ParserRuleReturnScope

use of org.antlr.runtime.ParserRuleReturnScope in project drools by kiegroup.

the class DSLMapParser method pattern.

// $ANTLR start "pattern"
// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:219:1: pattern : ( literal | DOT | MISC | LEFT_CURLY literal RIGHT_CURLY | LEFT_SQUARE pattern RIGHT_SQUARE )+ ;
public final DSLMapParser.pattern_return pattern() throws RecognitionException {
    DSLMapParser.pattern_return retval = new DSLMapParser.pattern_return();
    retval.start = input.LT(1);
    Object root_0 = null;
    Token DOT28 = null;
    Token MISC29 = null;
    Token LEFT_CURLY30 = null;
    Token RIGHT_CURLY32 = null;
    Token LEFT_SQUARE33 = null;
    Token RIGHT_SQUARE35 = null;
    ParserRuleReturnScope literal27 = null;
    ParserRuleReturnScope literal31 = null;
    ParserRuleReturnScope pattern34 = null;
    Object DOT28_tree = null;
    Object MISC29_tree = null;
    Object LEFT_CURLY30_tree = null;
    Object RIGHT_CURLY32_tree = null;
    Object LEFT_SQUARE33_tree = null;
    Object RIGHT_SQUARE35_tree = null;
    try {
        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:220:9: ( ( literal | DOT | MISC | LEFT_CURLY literal RIGHT_CURLY | LEFT_SQUARE pattern RIGHT_SQUARE )+ )
        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:220:11: ( literal | DOT | MISC | LEFT_CURLY literal RIGHT_CURLY | LEFT_SQUARE pattern RIGHT_SQUARE )+
        {
            root_0 = (Object) adaptor.nil();
            // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:220:11: ( literal | DOT | MISC | LEFT_CURLY literal RIGHT_CURLY | LEFT_SQUARE pattern RIGHT_SQUARE )+
            int cnt16 = 0;
            loop16: while (true) {
                int alt16 = 6;
                switch(input.LA(1)) {
                    case RIGHT_SQUARE:
                        {
                            int LA16_2 = input.LA(2);
                            if ((synpred24_DSLMap())) {
                                alt16 = 1;
                            }
                        }
                        break;
                    case LEFT_SQUARE:
                        {
                            int LA16_3 = input.LA(2);
                            if ((synpred24_DSLMap())) {
                                alt16 = 1;
                            } else if ((synpred28_DSLMap())) {
                                alt16 = 5;
                            }
                        }
                        break;
                    case DOT:
                        {
                            alt16 = 2;
                        }
                        break;
                    case MISC:
                        {
                            alt16 = 3;
                        }
                        break;
                    case LEFT_CURLY:
                        {
                            alt16 = 4;
                        }
                        break;
                    case COLON:
                    case LITERAL:
                        {
                            alt16 = 1;
                        }
                        break;
                }
                switch(alt16) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:220:13: literal
                        {
                            pushFollow(FOLLOW_literal_in_pattern1290);
                            literal27 = literal();
                            state._fsp--;
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0)
                                adaptor.addChild(root_0, literal27.getTree());
                        }
                        break;
                    case 2:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:221:13: DOT
                        {
                            DOT28 = (Token) match(input, DOT, FOLLOW_DOT_in_pattern1304);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                DOT28_tree = (Object) adaptor.create(DOT28);
                                adaptor.addChild(root_0, DOT28_tree);
                            }
                        }
                        break;
                    case 3:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:222:13: MISC
                        {
                            MISC29 = (Token) match(input, MISC, FOLLOW_MISC_in_pattern1318);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                MISC29_tree = (Object) adaptor.create(MISC29);
                                adaptor.addChild(root_0, MISC29_tree);
                            }
                        }
                        break;
                    case 4:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:223:13: LEFT_CURLY literal RIGHT_CURLY
                        {
                            LEFT_CURLY30 = (Token) match(input, LEFT_CURLY, FOLLOW_LEFT_CURLY_in_pattern1332);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                LEFT_CURLY30_tree = (Object) adaptor.create(LEFT_CURLY30);
                                adaptor.addChild(root_0, LEFT_CURLY30_tree);
                            }
                            pushFollow(FOLLOW_literal_in_pattern1334);
                            literal31 = literal();
                            state._fsp--;
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0)
                                adaptor.addChild(root_0, literal31.getTree());
                            RIGHT_CURLY32 = (Token) match(input, RIGHT_CURLY, FOLLOW_RIGHT_CURLY_in_pattern1336);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                RIGHT_CURLY32_tree = (Object) adaptor.create(RIGHT_CURLY32);
                                adaptor.addChild(root_0, RIGHT_CURLY32_tree);
                            }
                        }
                        break;
                    case 5:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:224:13: LEFT_SQUARE pattern RIGHT_SQUARE
                        {
                            LEFT_SQUARE33 = (Token) match(input, LEFT_SQUARE, FOLLOW_LEFT_SQUARE_in_pattern1350);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                LEFT_SQUARE33_tree = (Object) adaptor.create(LEFT_SQUARE33);
                                adaptor.addChild(root_0, LEFT_SQUARE33_tree);
                            }
                            pushFollow(FOLLOW_pattern_in_pattern1352);
                            pattern34 = pattern();
                            state._fsp--;
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0)
                                adaptor.addChild(root_0, pattern34.getTree());
                            RIGHT_SQUARE35 = (Token) match(input, RIGHT_SQUARE, FOLLOW_RIGHT_SQUARE_in_pattern1354);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                RIGHT_SQUARE35_tree = (Object) adaptor.create(RIGHT_SQUARE35);
                                adaptor.addChild(root_0, RIGHT_SQUARE35_tree);
                            }
                        }
                        break;
                    default:
                        if (cnt16 >= 1)
                            break loop16;
                        if (state.backtracking > 0) {
                            state.failed = true;
                            return retval;
                        }
                        EarlyExitException eee = new EarlyExitException(16, input);
                        throw eee;
                }
                cnt16++;
            }
        }
        retval.stop = input.LT(-1);
        if (state.backtracking == 0) {
            retval.tree = (Object) adaptor.rulePostProcessing(root_0);
            adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
        }
    } catch (RecognitionException re) {
        reportError(re);
        recover(input, re);
        retval.tree = (Object) adaptor.errorNode(input, retval.start, input.LT(-1), re);
    } finally {
    // do for sure before leaving
    }
    return retval;
}

Example 4 with ParserRuleReturnScope

use of org.antlr.runtime.ParserRuleReturnScope in project drools by kiegroup.

the class DSLMapParser method value_section.

// $ANTLR start "value_section"
// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:167:1: value_section : ( value_sentence )+ -> ^( VT_ENTRY_VAL ( value_sentence )+ ) ;
public final DSLMapParser.value_section_return value_section() throws RecognitionException {
    DSLMapParser.value_section_return retval = new DSLMapParser.value_section_return();
    retval.start = input.LT(1);
    Object root_0 = null;
    ParserRuleReturnScope value_sentence18 = null;
    RewriteRuleSubtreeStream stream_value_sentence = new RewriteRuleSubtreeStream(adaptor, "rule value_sentence");
    try {
        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:168:5: ( ( value_sentence )+ -> ^( VT_ENTRY_VAL ( value_sentence )+ ) )
        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:168:7: ( value_sentence )+
        {
            // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:168:7: ( value_sentence )+
            int cnt11 = 0;
            loop11: while (true) {
                int alt11 = 2;
                int LA11_0 = input.LA(1);
                if (((LA11_0 >= COLON && LA11_0 <= DOT) || LA11_0 == EQUALS || (LA11_0 >= LEFT_CURLY && LA11_0 <= LITERAL) || LA11_0 == RIGHT_SQUARE)) {
                    alt11 = 1;
                }
                switch(alt11) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:168:7: value_sentence
                        {
                            pushFollow(FOLLOW_value_sentence_in_value_section664);
                            value_sentence18 = value_sentence();
                            state._fsp--;
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0)
                                stream_value_sentence.add(value_sentence18.getTree());
                        }
                        break;
                    default:
                        if (cnt11 >= 1)
                            break loop11;
                        if (state.backtracking > 0) {
                            state.failed = true;
                            return retval;
                        }
                        EarlyExitException eee = new EarlyExitException(11, input);
                        throw eee;
                }
                cnt11++;
            }
            // wildcard labels:
            if (state.backtracking == 0) {
                retval.tree = root_0;
                RewriteRuleSubtreeStream stream_retval = new RewriteRuleSubtreeStream(adaptor, "rule retval", retval != null ? retval.getTree() : null);
                root_0 = (Object) adaptor.nil();
                // 169:5: -> ^( VT_ENTRY_VAL ( value_sentence )+ )
                {
                    // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:169:8: ^( VT_ENTRY_VAL ( value_sentence )+ )
                    {
                        Object root_1 = (Object) adaptor.nil();
                        root_1 = (Object) adaptor.becomeRoot((Object) adaptor.create(VT_ENTRY_VAL, "VT_ENTRY_VAL"), root_1);
                        if (!(stream_value_sentence.hasNext())) {
                            throw new RewriteEarlyExitException();
                        }
                        while (stream_value_sentence.hasNext()) {
                            adaptor.addChild(root_1, stream_value_sentence.nextTree());
                        }
                        stream_value_sentence.reset();
                        adaptor.addChild(root_0, root_1);
                    }
                }
                retval.tree = root_0;
            }
        }
        retval.stop = input.LT(-1);
        if (state.backtracking == 0) {
            retval.tree = (Object) adaptor.rulePostProcessing(root_0);
            adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
        }
    } catch (RecognitionException re) {
        reportError(re);
        recover(input, re);
        retval.tree = (Object) adaptor.errorNode(input, retval.start, input.LT(-1), re);
    } finally {
    // do for sure before leaving
    }
    return retval;
}

Example 5 with ParserRuleReturnScope

use of org.antlr.runtime.ParserRuleReturnScope in project drools by kiegroup.

the class DSLMapParser method value_chunk.

// $ANTLR start "value_chunk"
// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:181:1: value_chunk : ( literal | EQUALS | COMMA | DOT )+ ;
public final DSLMapParser.value_chunk_return value_chunk() throws RecognitionException {
    DSLMapParser.value_chunk_return retval = new DSLMapParser.value_chunk_return();
    retval.start = input.LT(1);
    Object root_0 = null;
    Token EQUALS21 = null;
    Token COMMA22 = null;
    Token DOT23 = null;
    ParserRuleReturnScope literal20 = null;
    Object EQUALS21_tree = null;
    Object COMMA22_tree = null;
    Object DOT23_tree = null;
    try {
        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:182:5: ( ( literal | EQUALS | COMMA | DOT )+ )
        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:182:7: ( literal | EQUALS | COMMA | DOT )+
        {
            root_0 = (Object) adaptor.nil();
            // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:182:7: ( literal | EQUALS | COMMA | DOT )+
            int cnt13 = 0;
            loop13: while (true) {
                int alt13 = 5;
                switch(input.LA(1)) {
                    case COLON:
                    case LEFT_SQUARE:
                    case LITERAL:
                    case RIGHT_SQUARE:
                        {
                            int LA13_2 = input.LA(2);
                            if ((synpred15_DSLMap())) {
                                alt13 = 1;
                            }
                        }
                        break;
                    case EQUALS:
                        {
                            int LA13_3 = input.LA(2);
                            if ((synpred16_DSLMap())) {
                                alt13 = 2;
                            }
                        }
                        break;
                    case COMMA:
                        {
                            int LA13_4 = input.LA(2);
                            if ((synpred17_DSLMap())) {
                                alt13 = 3;
                            }
                        }
                        break;
                    case DOT:
                        {
                            int LA13_5 = input.LA(2);
                            if ((synpred18_DSLMap())) {
                                alt13 = 4;
                            }
                        }
                        break;
                }
                switch(alt13) {
                    case 1:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:182:8: literal
                        {
                            pushFollow(FOLLOW_literal_in_value_chunk742);
                            literal20 = literal();
                            state._fsp--;
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0)
                                adaptor.addChild(root_0, literal20.getTree());
                        }
                        break;
                    case 2:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:182:16: EQUALS
                        {
                            EQUALS21 = (Token) match(input, EQUALS, FOLLOW_EQUALS_in_value_chunk744);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                EQUALS21_tree = (Object) adaptor.create(EQUALS21);
                                adaptor.addChild(root_0, EQUALS21_tree);
                            }
                        }
                        break;
                    case 3:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:182:23: COMMA
                        {
                            COMMA22 = (Token) match(input, COMMA, FOLLOW_COMMA_in_value_chunk746);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                COMMA22_tree = (Object) adaptor.create(COMMA22);
                                adaptor.addChild(root_0, COMMA22_tree);
                            }
                        }
                        break;
                    case 4:
                        // src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:182:29: DOT
                        {
                            DOT23 = (Token) match(input, DOT, FOLLOW_DOT_in_value_chunk748);
                            if (state.failed)
                                return retval;
                            if (state.backtracking == 0) {
                                DOT23_tree = (Object) adaptor.create(DOT23);
                                adaptor.addChild(root_0, DOT23_tree);
                            }
                        }
                        break;
                    default:
                        if (cnt13 >= 1)
                            break loop13;
                        if (state.backtracking > 0) {
                            state.failed = true;
                            return retval;
                        }
                        EarlyExitException eee = new EarlyExitException(13, input);
                        throw eee;
                }
                cnt13++;
            }
        }
        retval.stop = input.LT(-1);
        if (state.backtracking == 0) {
            retval.tree = (Object) adaptor.rulePostProcessing(root_0);
            adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
        }
    } catch (RecognitionException re) {
        reportError(re);
        recover(input, re);
        retval.tree = (Object) adaptor.errorNode(input, retval.start, input.LT(-1), re);
    } finally {
    // do for sure before leaving
    }
    return retval;
}