[hibernate-commits] Hibernate SVN: r16340 - in core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast: phase and 2 other directories.

Author: porcelli Date: 2009-04-15 13:18:38 -0400 (Wed, 15 Apr 2009) New Revision: 16340 Added: core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast/phase/ core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast/phase/hql/ core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast/phase/hql/parse/ core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast/phase/hql/parse/HQL.g Log: antlrv3 hql grammar Added: core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast/phase/hql/parse/HQL.g =================================================================== --- core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast/phase/hql/parse/HQL.g (rev 0) +++ core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast/phase/hql/parse/HQL.g 2009-04-15 17:18:38 UTC (rev 16340) @@ -0,0 +1,1741 @@ +grammar HQL; + +options { + output=AST; +} + +tokens { +//VIRTUAL TOKENS + FILTER; + + ALIAS_NAME; + + EXPR; + LOGICAL_EXPR; + + IS_NOT_NULL; + IS_NULL; + IS_NOT_EMPTY; + NOT_IN; + NOT_BETWEEN; + NOT_LIKE; + + BETWEEN_LIST; + SIMPLE_CASE; + SEARCHED_CASE; + UNARY_MINUS; + UNARY_PLUS; + IN_LIST; + + DOT_CLASS; + COLLECTION_EXPRESSION; + GENERAL_FUNCTION_CALL; + JAVA_CONSTANT; + GENERIC_ELEMENT; + NAMED_PARAM; + JPA_PARAM; + + COLLATE; + + VECTOR_EXPR; + + QUERY; + QUERY_SPEC; + GROUPING_VALUE; + SELECT_FROM; + SELECT_LIST; + PERSISTER_SPACE; + + PERSISTER_JOIN; + DYNAMIC_INSTANTIATION_ARG; + SELECT_ITEM; + DYNAMIC_INSTANTIATION; + ENTITY_PERSISTER_REF; + PROPERTY_JOIN; + PROP_FETCH; + SORT_SPEC; + + ASSIGNMENT_FIELD; + + INSERTABILITY_SPEC; + INSERTABLE_PROPERTY; + + QUALIFIED_JOIN; + ENTITY_NAME; + PROPERTY_REFERENCE; + ALIAS_REF; + +//SOFT KEYWORDS + ELSE; + CLASS; + NEW; + OBJECT; + WHERE; + ASC; + DESC; + UNION; + INTERSECT; + ALL; + EXCEPT; + DISTINCT; + SELECT; + AS; + IN; + PROPERTIES; + FETCH; + ELEMENTS; + INDICES; + CROSS; + JOIN; + INNER; + OUTER; + LEFT; + RIGHT; + FULL; + WITH; + ON; + GROUP_BY; + HAVING; + INSERT; + INTO; + DELETE; + SET; + VERSIONED; + UPDATE; + OR; + AND; + NOT; + IS_EMPTY; + IS; + ESCAPE; + BETWEEN; + LIKE; + MEMBER_OF; + THEN; + END; + WHEN; + NULLIF; + COALESCE; + EXISTS; + SOME; + ANY; + SUBSTRING; + CONCAT; + CAST; + LEADING; + TRAILING; + BOTH; + TRIM; + UPPER; + LOWER; + LENGTH; + LOCATE; + ABS; + SQRT; + MOD; + SIZE; + INDEX; + CURRENT_DATE; + CURRENT_TIME; + CURRENT_TIMESTAMP; + EXTRACT; + SECOND; + YEAR; + MONTH; + DAY; + HOUR; + MINUTE; + TIMEZONE_HOUR; + TIMEZONE_MINUTE; + POSITION; + CHARACTER_LENGTH; + OCTET_LENGTH; + BIT_LENGTH; + SUM; + AVG; + MAX; + MIN; + COUNT; + MAXELEMENT; + MAXINDEX; + MINELEMENT; + MININDEX; + ORDER_BY; + FROM; +} + +@parser::header { +/* + * Hibernate, Relational Persistence for Idiomatic Java + * + * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as + * indicated by the @author tags or express copyright attribution + * statements applied by the authors. All third-party contributions are + * distributed under license by Red Hat Middleware LLC. + * + * This copyrighted material is made available to anyone wishing to use, modify, + * copy, or redistribute it subject to the terms and conditions of the GNU + * Lesser General Public License, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this distribution; if not, write to: + * Free Software Foundation, Inc. + * 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1301 USA + * + * Portions of SQL grammar parsing copyright (C) 2003 by Lubos Vnuk. All rights + * reserved. These portions are distributed under license by Red Hat Middleware + * LLC and are covered by the above LGPL notice. If you redistribute this material, + * with or without modification, you must preserve this copyright notice in its + * entirety. + */ +package org.hibernate.sql.ast.phase.hql.parse; + +import java.util.LinkedList; +} + +@lexer::header { +/* + * Hibernate, Relational Persistence for Idiomatic Java + * + * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as + * indicated by the @author tags or express copyright attribution + * statements applied by the authors. All third-party contributions are + * distributed under license by Red Hat Middleware LLC. + * + * This copyrighted material is made available to anyone wishing to use, modify, + * copy, or redistribute it subject to the terms and conditions of the GNU + * Lesser General Public License, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this distribution; if not, write to: + * Free Software Foundation, Inc. + * 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1301 USA + * + * Portions of SQL grammar parsing copyright (C) 2003 by Lubos Vnuk. All rights + * reserved. These portions are distributed under license by Red Hat Middleware + * LLC and are covered by the above LGPL notice. If you redistribute this material, + * with or without modification, you must preserve this copyright notice in its + * entirety. + */ +package org.hibernate.sql.ast.phase.hql.parse; +} + + +@lexer::members { + /** The standard method called to automatically emit a token at the + * outermost lexical rule. The token object should point into the + * char buffer start..stop. If there is a text override in 'text', + * use that to set the token's text. Override this method to emit + * custom Token objects. + + public Token emit() { + Token t = new DroolsToken(input, state.type, state.channel, state.tokenStartCharIndex, getCharIndex()-1); + t.setLine(state.tokenStartLine); + t.setText(state.text); + t.setCharPositionInLine(state.tokenStartCharPositionInLine); + emit(t); + return t; + } */ + +} + +@parser::members { + private List<String> errorMessages = new LinkedList<String>(); + + private boolean validateIdentifierKey(String text) { + return validateLT(1, text); + } + + private boolean validateLT(int LTNumber, String text) { + String text2Validate = retrieveLT( LTNumber ); + return text2Validate == null ? false : text2Validate.equalsIgnoreCase(text); + } + + private String retrieveLT(int LTNumber) { + if (null == input) + return null; + if (null == input.LT(LTNumber)) + return null; + if (null == input.LT(LTNumber).getText()) + return null; + + return input.LT(LTNumber).getText(); + } + + public boolean hasErrors(){ + if ( errorMessages.size() > 0 ) { + return true; + } + return false; + } + + public List<String> getErrorMessages(){ + return errorMessages; + } + + @Override + public void reportError( RecognitionException e ) { + errorMessages.add(generateError(getRuleInvocationStack(e, this.getClass().getName()), this.getTokenNames(), e)); + super.reportError(e); + } + + private String generateError( List<Object> invocationStack, + String[] tokenNames, + RecognitionException e ) { + String localization = invocationStack + ": line " + e.line + ":" + e.charPositionInLine + " "; + return generateError(localization, tokenNames, e); + } + + private String generateError( String localization, + String[] tokenNames, + RecognitionException e ) { + String message = ""; + if (e instanceof MismatchedTokenException) { + MismatchedTokenException mte = (MismatchedTokenException)e; + String tokenName = "<unknown>"; + if (mte.expecting == Token.EOF) { + tokenName = "EOF"; + } else { + if (tokenNames != null) { + tokenName = tokenNames[mte.expecting]; + } + } + message = localization + "mismatched token: " + e.token + "; expecting type " + tokenName; + } else if (e instanceof MismatchedTreeNodeException) { + MismatchedTreeNodeException mtne = (MismatchedTreeNodeException)e; + String tokenName = "<unknown>"; + if (mtne.expecting == Token.EOF) { + tokenName = "EOF"; + } else { + tokenName = tokenNames[mtne.expecting]; + } + message = localization + "mismatched tree node: " + mtne.node + "; expecting type " + tokenName; + } else if (e instanceof NoViableAltException) { + NoViableAltException nvae = (NoViableAltException)e; + message = localization + "state " + nvae.stateNumber + " (decision=" + nvae.decisionNumber + + ") no viable alt; token=" + e.token; + } else if (e instanceof EarlyExitException) { + EarlyExitException eee = (EarlyExitException)e; + message = localization + "required (...)+ loop (decision=" + eee.decisionNumber + ") did not match anything; token=" + + e.token; + } else if (e instanceof MismatchedSetException) { + MismatchedSetException mse = (MismatchedSetException)e; + message = localization + "mismatched token: " + e.token + "; expecting set " + mse.expecting; + } else if (e instanceof MismatchedNotSetException) { + MismatchedNotSetException mse = (MismatchedNotSetException)e; + message = localization + "mismatched token: " + e.token + "; expecting set " + mse.expecting; + } else if (e instanceof FailedPredicateException) { + FailedPredicateException fpe = (FailedPredicateException)e; + message = localization + "rule " + fpe.ruleName + " failed predicate: {" + fpe.predicateText + "}?"; + } + + return message; + } + +} + +filterStatement[String collectionRole] + : selectClause? from_key? whereClause? ( groupByClause havingClause?)? orderByClause? + -> ^(QUERY ^(QUERY_SPEC["filter-query-spec"] FILTER[$collectionRole] + selectClause? from_key? whereClause? ( groupByClause havingClause?)? orderByClause?)) + //TODO throw an exception here when using from + ; + +statement + : updateStatement + | deleteStatement + | insertStatement + | selectStatement + ; + +updateStatement + : udpate_key^ versioned_key? from_key!? entityName aliasClause setClause whereClause? + ; + +setClause + : set_key^ assignment (COMMA! assignment)* + ; + +assignment + : assignmentField EQUALS^ newValue + ; + +assignmentField + : dotIdentifierPath -> ^(ASSIGNMENT_FIELD dotIdentifierPath) + ; + +newValue + : concatenation -> ^(EXPR concatenation) + ; + +deleteStatement + : delete_key^ from_key!? entityName aliasClause whereClause? + ; + +insertStatement + : insert_key^ intoClause selectStatement + ; + +intoClause + : into_key^ entityName insertabilitySpecification + ; + +insertabilitySpecification + : LEFT_PAREN insertablePropertySpecification ( COMMA insertablePropertySpecification )* RIGHT_PAREN + -> ^(INSERTABILITY_SPEC insertablePropertySpecification+ ) + ; + +insertablePropertySpecification + : dotIdentifierPath -> ^(INSERTABLE_PROPERTY dotIdentifierPath) + ; + +selectStatement + : queryExpression orderByClause? + -> ^(QUERY queryExpression orderByClause?) + ; + +queryExpression + : querySpec ( ( union_key^ | intersect_key^ | except_key^ ) all_key? querySpec )* + ; + +querySpec + : selectFrom whereClause? ( groupByClause havingClause? )? + -> ^(QUERY_SPEC selectFrom whereClause? groupByClause? havingClause?) + ; + +groupByClause + : group_by_key^ groupingSpecification + ; + +havingClause + : having_key^ logicalExpression + ; + +groupingSpecification + : groupingValue ( COMMA! groupingValue )* + ; + +groupingValue + : concatenation collationSpecification? + -> ^(GROUPING_VALUE ^(EXPR concatenation) collationSpecification?) + ; + +whereClause + : where_key^ logicalExpression + ; + +selectFrom + : selectClause? fromClause + -> ^(SELECT_FROM fromClause selectClause?) + ; + +subQuery + : queryExpression + -> ^(QUERY queryExpression) + ; + +fromClause + : from_key^ persisterSpaces + ; + +persisterSpaces + : persisterSpace ( COMMA persisterSpace )* + -> ^(PERSISTER_SPACE persisterSpace)+ + ; + +persisterSpace + : persisterSpaceRoot ( qualifiedJoin | crossJoin )* + ; + +crossJoin + : cross_key join_key mainEntityPersisterReference + -> ^(PERSISTER_JOIN[$join_key.start,"persister-join"] cross_key mainEntityPersisterReference) + ; + +qualifiedJoin +@init {boolean isEntityReference = false;} + : nonCrossJoinType join_key fetch_key? path aliasClause + ( on_key {isEntityReference = true;} logicalExpression + | propertyFetch? withClause? + ) + -> {isEntityReference}? ^(PERSISTER_JOIN[$join_key.start,"persister-join"] nonCrossJoinType ^(ENTITY_PERSISTER_REF ENTITY_NAME[$path.start, $path.text] aliasClause?) ^(on_key logicalExpression)) + -> ^(PROPERTY_JOIN[$join_key.start, "property-join"] nonCrossJoinType fetch_key? aliasClause? propertyFetch? ^(PROPERTY_REFERENCE path) withClause?) + ; + +withClause + : with_key^ logicalExpression + ; + +nonCrossJoinType + : inner_key + | outerJoinType outer_key? + | -> INNER + ; + +outerJoinType + : left_key + | right_key + | full_key + ; + +persisterSpaceRoot +options{ +backtrack=true; +} : mainEntityPersisterReference + | jpaCollectionReference + | hibernateLegacySyntax + ; + +mainEntityPersisterReference + : entityName aliasClause propertyFetch? + -> ^(ENTITY_PERSISTER_REF entityName aliasClause? propertyFetch?) + ; + +propertyFetch + : fetch_key all_key properties_key + -> PROP_FETCH[$fetch_key.start, "property-fetch"] + ; + +hibernateLegacySyntax + : aliasValue in_key + ( class_key entityName -> ^(ENTITY_PERSISTER_REF entityName aliasValue) + | collectionExpression -> ^(PROPERTY_JOIN INNER[$in_key.start, "inner"] aliasValue collectionExpression) + ) + ; + +jpaCollectionReference + : in_key LEFT_PAREN propertyReference RIGHT_PAREN aliasClause + -> ^(PROPERTY_JOIN INNER[$in_key.start, "inner"] aliasClause? propertyReference) + ; + +selectClause + : select_key^ distinct_key? rootSelectExpression + ; + +rootSelectExpression + : rootDynamicInstantiation + | jpaSelectObjectSyntax + | explicitSelectList + ; + +explicitSelectList + : explicitSelectItem ( COMMA explicitSelectItem )* + -> ^(SELECT_LIST explicitSelectItem+) + ; + +explicitSelectItem + : selectExpression + ; + +selectExpression + : expression aliasClause + -> ^(EXPR expression) aliasClause? + ; + +aliasClause +options{ + k=2; +} : + | aliasValue + | as_key! aliasValue + ; + +aliasValue + : IDENTIFIER -> ALIAS_NAME[$IDENTIFIER] + ; + +rootDynamicInstantiation + : new_key dynamicInstantiationTarget LEFT_PAREN dynamicInstantiationArgs RIGHT_PAREN + -> ^(SELECT_ITEM ^(DYNAMIC_INSTANTIATION[$dynamicInstantiationTarget.start, $dynamicInstantiationTarget.text] dynamicInstantiationArgs)) + ; + +dynamicInstantiationTarget + : dotIdentifierPath + ; + +dynamicInstantiationArgs + : dynamicInstantiationArg ( COMMA! dynamicInstantiationArg )* + ; + +dynamicInstantiationArg + : selectExpression -> ^(DYNAMIC_INSTANTIATION_ARG selectExpression) + | rootDynamicInstantiation -> ^(DYNAMIC_INSTANTIATION_ARG rootDynamicInstantiation) + ; + +jpaSelectObjectSyntax + : object_key LEFT_PAREN aliasReference RIGHT_PAREN + -> ^(SELECT_ITEM ^(object_key aliasReference)) + ; + +orderByClause + : order_by_key^ sortSpecification ( COMMA! sortSpecification )* + ; + +sortSpecification + : sortKey collationSpecification? orderingSpecification? + -> ^(SORT_SPEC sortKey collationSpecification? orderingSpecification?) + ; + +sortKey + : concatenation + -> ^(EXPR concatenation) + ; + +collationSpecification + : collate_key collateName + -> COLLATE[$collateName.start, $collateName.text] + ; + +collateName + : dotIdentifierPath + ; + +orderingSpecification + : ascending_key + | descending_key + ; + +logicalExpression + : expression + -> ^(LOGICAL_EXPR expression) + ; + +expression + : logicalOrExpression + ; + +logicalOrExpression + : logicalAndExpression ( or_key^ logicalAndExpression )* + ; + +logicalAndExpression + : negatedExpression ( and_key^ negatedExpression )* + ; + +negatedExpression + : not_key^ negatedExpression + | equalityExpression + ; + +equalityExpression +@init{ boolean isNull = false; boolean isNegated = false;} + : (relationalExpression -> relationalExpression) + ( is_key (not_key {isNegated = true;})? (NULL {isNull = true;}|empty_key) + -> {isNull && isNegated}? ^(IS_NOT_NULL[$not_key.start, "is not null"] $equalityExpression) + -> {isNull && !isNegated}? ^(IS_NULL[$NULL, "is null"] $equalityExpression) + -> {!isNull && isNegated}? ^(NOT ^(EXISTS ^(QUERY ^(QUERY_SPEC ^(SELECT_FROM ^(FROM $equalityExpression)))))) + -> ^(EXISTS ^(QUERY ^(QUERY_SPEC ^(SELECT_FROM ^(FROM $equalityExpression))))) + | ( op=EQUALS | op=NOT_EQUAL ) relationalExpression + -> ^($op $equalityExpression relationalExpression) + )* + ; + +relationalExpression +@init {boolean isNegated = false;} + : (concatenation -> concatenation) + ( + ( ( op=LESS | op=GREATER | op=LESS_EQUAL | op=GREATER_EQUAL ) additiveExpression + -> ^($op $relationalExpression additiveExpression) + )+ + | (not_key {isNegated = true;} )? + ( in_key inList + -> {isNegated}? ^(NOT_IN[$not_key.start, "not in"] $relationalExpression inList) + -> ^(in_key $relationalExpression inList) + | between_key betweenList + -> {isNegated}? ^(NOT_BETWEEN[$not_key.start, "not between"] $relationalExpression betweenList) + -> ^(between_key $relationalExpression betweenList) + | like_key concatenation likeEscape? + -> {isNegated}? ^(NOT_LIKE[$not_key.start, "not like"] $relationalExpression concatenation likeEscape?) + -> ^(like_key $relationalExpression concatenation likeEscape?) + | member_of_key propertyReference + -> {isNegated}? ^(NOT_IN[$not_key.start, "not in"] ^(IN_LIST ^(QUERY ^(SELECT_FROM ^(FROM propertyReference))))) + -> ^(IN[$member_of_key.start, "in"] ^(IN_LIST ^(QUERY ^(SELECT_FROM ^(FROM propertyReference))))) + ) + )? + ; + +likeEscape + : escape_key concatenation + -> ^(escape_key ^(EXPR concatenation)) + ; + +inList + : collectionExpression + -> ^(IN_LIST collectionExpression) + | LEFT_PAREN ( expression (COMMA expression)* | subQuery ) RIGHT_PAREN + -> ^(IN_LIST ^(EXPR expression)* subQuery?) + ; + +betweenList + : concatenation and_key concatenation + -> ^(BETWEEN_LIST ^(EXPR concatenation)+) + ; + +concatenation + : additiveExpression (DOUBLE_PIPE^ additiveExpression)* + ; + +additiveExpression + : multiplyExpression ( ( PLUS^ | MINUS^ ) multiplyExpression )* + ; + +multiplyExpression + : unaryExpression ( ( ASTERISK^ | SOLIDUS^ ) unaryExpression )* + ; + +unaryExpression + : MINUS unaryExpression -> ^(UNARY_MINUS[$MINUS] unaryExpression) + | PLUS unaryExpression -> ^(UNARY_PLUS[$PLUS] unaryExpression) + | caseExpression + | quantifiedExpression + | standardFunction + | setFunction + | collectionFunction + | collectionExpressionSimple + | atom + ; + +caseExpression + : caseAbbreviation + | caseSpecification + ; + +caseAbbreviation + : nullif_key LEFT_PAREN concatenation COMMA concatenation RIGHT_PAREN + -> ^(nullif_key ^(EXPR concatenation)+) + | coalesce_key LEFT_PAREN concatenation (COMMA concatenation)* RIGHT_PAREN + -> ^(coalesce_key ^(EXPR concatenation)+) + ; + +caseSpecification +options{ +backtrack=true; +} : simpleCase + | searchedCase + ; + +simpleCase + : case_key concatenation simpleCaseWhenClause+ elseClause? end_key + -> ^(SIMPLE_CASE[$case_key.start, $case_key.text] ^(EXPR concatenation) simpleCaseWhenClause+ elseClause?) + ; + +simpleCaseWhenClause + : when_key concatenation then_key concatenation + -> ^(when_key ^(EXPR concatenation)+) + ; + +elseClause + : else_key concatenation + -> ^(else_key ^(EXPR concatenation)) + ; + +searchedCase + : case_key searchedWhenClause+ elseClause? end_key + -> ^(SEARCHED_CASE[$case_key.start, $case_key.text] searchedWhenClause+ elseClause?) + ; + +searchedWhenClause + : when_key logicalExpression then_key concatenation + -> ^(when_key logicalExpression ^(EXPR concatenation)) + ; + +quantifiedExpression + : ( some_key^ | exists_key^ | all_key^ | any_key^ ) + ( aliasValue + | collectionExpression + | LEFT_PAREN! subQuery RIGHT_PAREN! + ) + ; + +standardFunction + : castFunction + | concatFunction + | substringFunction + | trimFunction + | upperFunction + | lowerFunction + | lengthFunction + | locateFunction + | absFunction + | sqrtFunction + | modFunction + | sizeFunction + | indexFunction + | currentDateFunction + | currentTimeFunction + | currentTimestampFunction + | extractFunction + | positionFunction + | charLengthFunction + | octetLengthFunction + | bitLengthFunction + ; + +castFunction + : cast_key LEFT_PAREN concatenation as_key dataType RIGHT_PAREN + -> ^(cast_key ^(EXPR concatenation) dataType) + ; + +concatFunction + : concat_key LEFT_PAREN concatenation ( COMMA concatenation )+ RIGHT_PAREN + -> ^(concat_key ^(EXPR concatenation)+) + ; + +substringFunction + : substring_key LEFT_PAREN concatenation COMMA concatenation ( COMMA concatenation)? RIGHT_PAREN + -> ^(substring_key ^(EXPR concatenation)+) + ; + +trimFunction + : trim_key LEFT_PAREN trimOperands RIGHT_PAREN + -> ^(trim_key trimOperands) + ; + +trimOperands +options{ +k=2; +} +@init {boolean hasSecondExpression = false;} + : trimSpecification from_key concatenation -> ^(trimSpecification ^(EXPR STRING_LITERAL[" "]) ^(EXPR concatenation)) + | trimSpecification concatenation from_key concatenation -> ^(trimSpecification ^(EXPR concatenation)+) + | from_key concatenation -> ^(BOTH ^(EXPR STRING_LITERAL[" "]) ^(EXPR concatenation)) + | cn=concatenation ( from_key concatenation {hasSecondExpression = true;} )? + -> {hasSecondExpression}? ^(BOTH ^(EXPR concatenation)+) + -> ^(BOTH ^(EXPR STRING_LITERAL[" "]) ^(EXPR $cn)) + ; + +trimSpecification + : leading_key + | trailing_key + | both_key + ; + +upperFunction + : upper_key LEFT_PAREN concatenation RIGHT_PAREN + -> ^(upper_key ^(EXPR concatenation)) + ; + +lowerFunction + : lower_key LEFT_PAREN concatenation RIGHT_PAREN + -> ^(lower_key ^(EXPR concatenation)) + ; + +lengthFunction + : length_key LEFT_PAREN concatenation RIGHT_PAREN + -> ^(length_key ^(EXPR concatenation)) + ; + +locateFunction + : locate_key LEFT_PAREN concatenation COMMA concatenation ( COMMA concatenation )? RIGHT_PAREN + -> ^(locate_key ^(EXPR concatenation)+) + ; + +absFunction + : abs_key LEFT_PAREN concatenation RIGHT_PAREN + -> ^(abs_key ^(EXPR concatenation)) + ; + +sqrtFunction + : sqrt_key LEFT_PAREN concatenation RIGHT_PAREN + -> ^(sqrt_key ^(EXPR concatenation)) + ; + +modFunction + : mod_key LEFT_PAREN concatenation COMMA concatenation RIGHT_PAREN + -> ^(mod_key ^(EXPR concatenation)+) + ; + +sizeFunction + : size_key LEFT_PAREN propertyReference RIGHT_PAREN + -> ^(size_key propertyReference) + ; + +indexFunction + : index_key LEFT_PAREN aliasReference RIGHT_PAREN + -> ^(index_key aliasReference) + ; + +currentDateFunction + : current_date_key^ ( LEFT_PAREN! RIGHT_PAREN! )? + ; + +currentTimeFunction + : current_time_key^ ( LEFT_PAREN! RIGHT_PAREN! )? + ; + +currentTimestampFunction + : current_timestamp_key^ ( LEFT_PAREN! RIGHT_PAREN! )? + ; + +extractFunction + : extract_key LEFT_PAREN extractField from_key concatenation RIGHT_PAREN + -> ^(extract_key extractField ^(EXPR concatenation)) + ; + +extractField + : datetimeField + | timeZoneField + ; + +datetimeField + : nonSecondDatetimeField + | second_key + ; + +nonSecondDatetimeField + : year_key + | month_key + | day_key + | hour_key + | minute_key + ; + +timeZoneField + : timezone_hour_key + | timezone_minute_key + ; + +positionFunction + : position_key LEFT_PAREN concatenation in_key concatenation RIGHT_PAREN + -> ^(position_key ^(EXPR concatenation)+) + ; + +charLengthFunction + : character_length_key LEFT_PAREN concatenation RIGHT_PAREN + -> ^(character_length_key ^(EXPR concatenation)) + ; + +octetLengthFunction + : octet_length_key LEFT_PAREN concatenation RIGHT_PAREN + -> ^(octet_length_key ^(EXPR concatenation)) + ; + +bitLengthFunction + : bit_length_key LEFT_PAREN concatenation RIGHT_PAREN + -> ^(bit_length_key ^(EXPR concatenation)) + ; + +setFunction + : ( sum_key^ | avg_key^ | max_key^ | min_key^ ) LEFT_PAREN! additiveExpressionWrapper RIGHT_PAREN! + | count_key LEFT_PAREN ( ASTERISK | ( ( distinct_key | all_key )? countFunctionArguments ) ) RIGHT_PAREN + -> ^(count_key ASTERISK? distinct_key? all_key? countFunctionArguments?) + ; + +additiveExpressionWrapper + : additiveExpression + -> ^(EXPR additiveExpression) + ; + +countFunctionArguments +@init { int type = -1;} + : path + -> {type == 1}? ^(ELEMENTS path) + -> {type == 2}? ^(INDICES path) + -> ^(PROPERTY_REFERENCE path) + //TODO if ends with: + // .elements or .indices -> it is a collectionExpression + //if not -> it is a property reference + | collectionExpressionSimple + | numeric_literal + ; + +collectionFunction + : ( maxelement_key^ | maxindex_key^ | minelement_key^ | minindex_key^ ) LEFT_PAREN! propertyReference RIGHT_PAREN! + ; + +collectionExpression + : (elements_key^|indices_key^) LEFT_PAREN! propertyReference RIGHT_PAREN! + | propertyReference DOT! (elements_key^|indices_key^) + ; + +collectionExpressionSimple + : (elements_key^|indices_key^) LEFT_PAREN! propertyReference RIGHT_PAREN! + ; + +atom +@init { int type = -1;} + : identPrimary + //TODO if ends with: + // .class -> class type + // .elements or .indices -> it is a collectionExpression + // if contains "()" it is a function call + // if it is constantReference (using context) + // otherwise it will be a generic element to be resolved on the next phase (1st tree walker) + -> {type == 0}? ^(DOT_CLASS identPrimary) + -> {type == 1}? ^(ELEMENTS identPrimary) + -> {type == 2}? ^(INDICES identPrimary) + -> {type == 3}? ^(GENERAL_FUNCTION_CALL identPrimary) + -> {type == 4}? ^(JAVA_CONSTANT identPrimary) + -> ^(GENERIC_ELEMENT identPrimary) + | constant + | parameterSpecification + //TODO: validate using Scopes if it is enabled or not to use parameterSpecification.. if not generate an exception + | LEFT_PAREN! (expressionOrVector | subQuery) RIGHT_PAREN! + ; + +parameterSpecification +@init {boolean isJpaParam = false;} + : COLON IDENTIFIER -> NAMED_PARAM[$IDENTIFIER] + | PARAM (INTEGER_LITERAL {isJpaParam = true;})? + -> {isJpaParam}? JPA_PARAM[$INTEGER_LITERAL] + -> PARAM + ; + +expressionOrVector +@init {boolean isVectorExp = false;} + : expression (vectorExpr {isVectorExp = true;})? + -> {isVectorExp}? ^(VECTOR_EXPR ^(EXPR expression) vectorExpr) + -> ^(EXPR expression) + ; + +vectorExpr + : COMMA expression (COMMA expression)* + -> ^(EXPR expression)+ + ; + +identPrimary + : IDENTIFIER + ( DOT^ IDENTIFIER + | LEFT_SQUARE^ expression RIGHT_SQUARE! + | LEFT_SQUARE^ RIGHT_SQUARE! + | LEFT_PAREN^ exprList RIGHT_PAREN! + )* + ; + +exprList + : expression? (COMMA expression)* + -> ^(EXPR expression)* + ; + +constant + : literal + | NULL + | TRUE + | FALSE + ; + +literal + : numeric_literal + | HEX_LITERAL + | OCTAL_LITERAL + | CHARACTER_LITERAL + | STRING_LITERAL + ; + +numeric_literal + : INTEGER_LITERAL + | DECIMAL_LITERAL + | FLOATING_POINT_LITERAL + ; + +aliasReference + : IDENTIFIER -> ALIAS_REF[$IDENTIFIER] + ; + +entityName + : dotIdentifierPath -> ENTITY_NAME[$dotIdentifierPath.start, $dotIdentifierPath.text] + //TODO: semantic validation + ; + +propertyReference + : path + -> ^(PROPERTY_REFERENCE path) + ; + +dataType + : IDENTIFIER + ; + +dotIdentifierPath + : IDENTIFIER + ( DOT^ IDENTIFIER )* + ; + +path + : IDENTIFIER + ( DOT^ IDENTIFIER + | LEFT_SQUARE^ expression RIGHT_SQUARE + | LEFT_SQUARE^ RIGHT_SQUARE + )* + ; + +class_key + : {(validateIdentifierKey("class"))}?=> id=IDENTIFIER + -> CLASS[$id] + ; + +new_key + : {(validateIdentifierKey("new"))}?=> id=IDENTIFIER + -> NEW[$id] + ; + +else_key + : {(validateIdentifierKey("else"))}?=> id=IDENTIFIER + -> ELSE[$id] + ; + +object_key + : {(validateIdentifierKey("object"))}?=> id=IDENTIFIER + -> OBJECT[$id] + ; + +case_key + : {(validateIdentifierKey("case"))}?=> IDENTIFIER + ; + +current_date_key + : {(validateIdentifierKey("current_date"))}?=> id=IDENTIFIER + -> CURRENT_DATE[$id] + ; + +current_time_key + : {(validateIdentifierKey("current_time"))}?=> id=IDENTIFIER + -> CURRENT_TIME[$id] + ; + +current_timestamp_key + : {(validateIdentifierKey("current_timestamp"))}?=> id=IDENTIFIER + -> CURRENT_TIMESTAMP[$id] + ; + +timezone_hour_key + : {(validateIdentifierKey("timezone_hour"))}?=> id=IDENTIFIER + -> TIMEZONE_HOUR[$id] + ; + +timezone_minute_key + : {(validateIdentifierKey("timezone_minute"))}?=> id=IDENTIFIER + -> TIMEZONE_MINUTE[$id] + ; + +character_length_key + : {(validateIdentifierKey("character_length") || validateIdentifierKey("char_length"))}?=> id=IDENTIFIER + -> CHARACTER_LENGTH[$id] + ; + +octet_length_key + : {(validateIdentifierKey("octet_length"))}?=> id=IDENTIFIER + -> OCTET_LENGTH[$id] + ; + +bit_length_key + : {(validateIdentifierKey("bit_length"))}?=> id=IDENTIFIER + -> BIT_LENGTH[$id] + ; + +extract_key + : {(validateIdentifierKey("extract"))}?=> id=IDENTIFIER + -> EXTRACT[$id] + ; + +second_key + : {(validateIdentifierKey("second"))}?=> id=IDENTIFIER + -> SECOND[$id] + ; + +year_key + : {(validateIdentifierKey("year"))}?=> id=IDENTIFIER + -> YEAR[$id] + ; + +month_key + : {(validateIdentifierKey("month"))}?=> id=IDENTIFIER + -> MONTH[$id] + ; + +day_key + : {(validateIdentifierKey("day"))}?=> id=IDENTIFIER + -> DAY[$id] + ; + +hour_key + : {(validateIdentifierKey("hour"))}?=> id=IDENTIFIER + -> HOUR[$id] + ; + +minute_key + : {(validateIdentifierKey("minute"))}?=> id=IDENTIFIER + -> MINUTE[$id] + ; + +position_key + : {(validateIdentifierKey("position"))}?=> id=IDENTIFIER + -> POSITION[$id] + ; + +sum_key + : {(validateIdentifierKey("sum"))}?=> id=IDENTIFIER + -> SUM[$id] + ; + +avg_key + : {(validateIdentifierKey("avg"))}?=> id=IDENTIFIER + -> AVG[$id] + ; + +max_key + : {(validateIdentifierKey("max"))}?=> id=IDENTIFIER + -> MAX[$id] + ; + +min_key + : {(validateIdentifierKey("min"))}?=> id=IDENTIFIER + -> MIN[$id] + ; + +count_key + : {(validateIdentifierKey("count"))}?=> id=IDENTIFIER + -> COUNT[$id] + ; + +maxelement_key + : {(validateIdentifierKey("maxelement"))}?=> id=IDENTIFIER + -> MAXELEMENT[$id] + ; + +maxindex_key + : {(validateIdentifierKey("maxindex"))}?=> id=IDENTIFIER + -> MAXINDEX[$id] + ; + +minelement_key + : {(validateIdentifierKey("minelement"))}?=> id=IDENTIFIER + -> MINELEMENT[$id] + ; + +minindex_key + : {(validateIdentifierKey("minindex"))}?=> id=IDENTIFIER + -> MININDEX[$id] + ; + +locate_key + : {(validateIdentifierKey("locate"))}?=> id=IDENTIFIER + -> LOCATE[$id] + ; + +abs_key + : {(validateIdentifierKey("abs"))}?=> id=IDENTIFIER + -> ABS[$id] + ; + +sqrt_key + : {(validateIdentifierKey("sqrt"))}?=> id=IDENTIFIER + -> SQRT[$id] + ; + +mod_key + : {(validateIdentifierKey("mod"))}?=> id=IDENTIFIER + -> MOD[$id] + ; + +size_key + : {(validateIdentifierKey("size"))}?=> id=IDENTIFIER + -> SIZE[$id] + ; + +index_key + : {(validateIdentifierKey("index"))}?=> id=IDENTIFIER + -> INDEX[$id] + ; + +leading_key + : {(validateIdentifierKey("leading"))}?=> id=IDENTIFIER + -> LEADING[$id] + ; + +trailing_key + : {(validateIdentifierKey("trailing"))}?=> id=IDENTIFIER + -> TRAILING[$id] + ; + +upper_key + : {(validateIdentifierKey("upper"))}?=> id=IDENTIFIER + -> UPPER[$id] + ; + +lower_key + : {(validateIdentifierKey("lower"))}?=> id=IDENTIFIER + -> LOWER[$id] + ; + +length_key + : {(validateIdentifierKey("length"))}?=> id=IDENTIFIER + -> LENGTH[$id] + ; + +both_key + : {(validateIdentifierKey("both"))}?=> id=IDENTIFIER + -> BOTH[$id] + ; + +trim_key + : {(validateIdentifierKey("trim"))}?=> id=IDENTIFIER + -> TRIM[$id] + ; + +substring_key + : {(validateIdentifierKey("substring"))}?=> id=IDENTIFIER + -> SUBSTRING[$id] + ; + +concat_key + : {(validateIdentifierKey("concat"))}?=> id=IDENTIFIER + -> CONCAT[$id] + ; + +cast_key + : {(validateIdentifierKey("cast"))}?=> id=IDENTIFIER + -> CAST[$id] + ; + +any_key + : {(validateIdentifierKey("any"))}?=> id=IDENTIFIER + -> ANY[$id] + ; + +exists_key + : {(validateIdentifierKey("exists"))}?=> id=IDENTIFIER + -> EXISTS[$id] + ; + +some_key + : {(validateIdentifierKey("some"))}?=> id=IDENTIFIER + -> SOME[$id] + ; + +then_key + : {(validateIdentifierKey("then"))}?=> id=IDENTIFIER + -> THEN[$id] + ; + +end_key + : {(validateIdentifierKey("end"))}?=> id=IDENTIFIER + -> END[$id] + ; + + +when_key + : {(validateIdentifierKey("when"))}?=> id=IDENTIFIER + -> WHEN[$id] + ; + +nullif_key + : {(validateIdentifierKey("nullif"))}?=> id=IDENTIFIER + -> NULLIF[$id] + ; + +coalesce_key + : {(validateIdentifierKey("coalesce"))}?=> id=IDENTIFIER + -> COALESCE[$id] + ; + +escape_key + : {(validateIdentifierKey("escape"))}?=> id=IDENTIFIER + -> ESCAPE[$id] + ; + +like_key + : {(validateIdentifierKey("like"))}?=> id=IDENTIFIER + -> LIKE[$id] + ; + +between_key + : {(validateIdentifierKey("between"))}?=> id=IDENTIFIER + -> BETWEEN[$id] + ; + +member_of_key +@init{ + String text = ""; +} : {(validateIdentifierKey("member") && validateLT(2, "of"))}?=> id=IDENTIFIER IDENTIFIER {text = $text;} + -> MEMBER_OF[$id] + ; + +empty_key + : {(validateIdentifierKey("empty"))}?=> id=IDENTIFIER + ; + +is_key : {(validateIdentifierKey("is"))}?=> id=IDENTIFIER + -> IS[$id] + ; + +or_key : {(validateIdentifierKey("or"))}?=> id=IDENTIFIER + -> OR[$id] + ; + +and_key : {(validateIdentifierKey("and"))}?=> id=IDENTIFIER + -> AND[$id] + ; + +not_key : {(validateIdentifierKey("not"))}?=> id=IDENTIFIER + -> NOT[$id] + ; + +set_key + : {(validateIdentifierKey("set"))}?=> id=IDENTIFIER + -> SET[$id] + ; + +versioned_key + : {(validateIdentifierKey("versioned"))}?=> id=IDENTIFIER + -> VERSIONED[$id] + ; + +udpate_key + : {(validateIdentifierKey("update"))}?=> id=IDENTIFIER + -> UPDATE[$id] + ; + +delete_key + : {(validateIdentifierKey("delete"))}?=> id=IDENTIFIER + -> DELETE[$id] + ; + +insert_key + : {(validateIdentifierKey("insert"))}?=> id=IDENTIFIER + -> INSERT[$id] + ; + +into_key + : {(validateIdentifierKey("into"))}?=> id=IDENTIFIER + -> INTO[$id] + ; + +having_key + : {(validateIdentifierKey("having"))}?=> id=IDENTIFIER + -> HAVING[$id] + ; + +with_key + : {(validateIdentifierKey("with"))}?=> id=IDENTIFIER + -> WITH[$id] + ; + +on_key + : {(validateIdentifierKey("on"))}?=> id=IDENTIFIER + -> ON[$id] + ; + +indices_key + : {(validateIdentifierKey("indices"))}?=> id=IDENTIFIER + -> INDICES[$id] + ; + +cross_key + : {(validateIdentifierKey("cross"))}?=> id=IDENTIFIER + -> CROSS[$id] + ; + +join_key + : {(validateIdentifierKey("join"))}?=> id=IDENTIFIER + -> JOIN[$id] + ; + +inner_key + : {(validateIdentifierKey("inner"))}?=> id=IDENTIFIER + -> INNER[$id] + ; + +outer_key + : {(validateIdentifierKey("outer"))}?=> id=IDENTIFIER + -> OUTER[$id] + ; + +left_key + : {(validateIdentifierKey("left"))}?=> id=IDENTIFIER + -> LEFT[$id] + ; + +right_key + : {(validateIdentifierKey("right"))}?=> id=IDENTIFIER + -> RIGHT[$id] + ; + +full_key + : {(validateIdentifierKey("full"))}?=> id=IDENTIFIER + -> FULL[$id] + ; + +elements_key + : {(validateIdentifierKey("elements"))}?=> id=IDENTIFIER + -> ELEMENTS[$id] + ; + +properties_key + : {(validateIdentifierKey("properties"))}?=> id=IDENTIFIER + -> PROPERTIES[$id] + ; + +fetch_key + : {(validateIdentifierKey("fetch"))}?=> id=IDENTIFIER + -> FETCH[$id] + ; + +in_key + : {(validateIdentifierKey("in"))}?=> id=IDENTIFIER + -> IN[$id] + ; + +as_key + : {(validateIdentifierKey("as"))}?=> id=IDENTIFIER + -> AS[$id] + ; + +where_key + : {(validateIdentifierKey("where"))}?=> id=IDENTIFIER + -> WHERE[$id] + ; + +select_key + : {(validateIdentifierKey("select"))}?=> id=IDENTIFIER + -> SELECT[$id] + ; + +distinct_key + : {(validateIdentifierKey("distinct"))}?=> id=IDENTIFIER + -> DISTINCT[$id] + ; + +union_key + : {(validateIdentifierKey("union"))}?=> id=IDENTIFIER + -> UNION[$id] + ; + +intersect_key + : {(validateIdentifierKey("intersect"))}?=> id=IDENTIFIER + -> INTERSECT[$id] + ; + +except_key + : {(validateIdentifierKey("except"))}?=> id=IDENTIFIER + -> EXCEPT[$id] + ; + +all_key + : {(validateIdentifierKey("all"))}?=> id=IDENTIFIER + -> ALL[$id] + ; + +ascending_key + : {(validateIdentifierKey("ascending") || validateIdentifierKey("asc"))}?=> id=IDENTIFIER + -> ASC[$id] + ; + +descending_key + : {(validateIdentifierKey("descending") || validateIdentifierKey("desc"))}?=> id=IDENTIFIER + -> DESC[$id] + ; + +collate_key + : {(validateIdentifierKey("collate"))}?=> IDENTIFIER + ; + +order_by_key +@init{ + String text = ""; +} : {(validateIdentifierKey("order") && validateLT(2, "by"))}?=> id=IDENTIFIER IDENTIFIER {text = $text;} + -> ORDER_BY[$id] + ; + +group_by_key +@init{ + String text = ""; +} : {(validateIdentifierKey("group") && validateLT(2, "by"))}?=> id=IDENTIFIER IDENTIFIER {text = $text;} + -> GROUP_BY[$id] + ; + +from_key + : {(validateIdentifierKey("from"))}?=> id=IDENTIFIER + -> FROM[$id] + ; + +WS : ( ' ' + | '\t' + | '\f' + | EOL + )+ + { $channel=HIDDEN; } + ; + +fragment +EOL : + ( ( '\r\n' )=> '\r\n' // Evil DOS + | '\r' // Macintosh + | '\n' // Unix (the right way) + ) + ; + +HEX_LITERAL : '0' ('x'|'X') HEX_DIGIT+ INTEGER_TYPE_SUFFIX? ; + +INTEGER_LITERAL : ('0' | '1'..'9' '0'..'9'*) ; + +DECIMAL_LITERAL : ('0' | '1'..'9' '0'..'9'*) INTEGER_TYPE_SUFFIX ; + +OCTAL_LITERAL : '0' ('0'..'7')+ INTEGER_TYPE_SUFFIX? ; + +fragment +HEX_DIGIT : ('0'..'9'|'a'..'f'|'A'..'F') ; + +fragment +INTEGER_TYPE_SUFFIX : ('l'|'L') ; + +FLOATING_POINT_LITERAL + : ('0'..'9')+ '.' ('0'..'9')* EXPONENT? FLOAT_TYPE_SUFFIX? + | '.' ('0'..'9')+ EXPONENT? FLOAT_TYPE_SUFFIX? + | ('0'..'9')+ EXPONENT FLOAT_TYPE_SUFFIX? + | ('0'..'9')+ FLOAT_TYPE_SUFFIX + ; + +fragment +EXPONENT : ('e'|'E') ('+'|'-')? ('0'..'9')+ ; + +fragment +FLOAT_TYPE_SUFFIX : ('f'|'F'|'d'|'D') ; + +CHARACTER_LITERAL + : '\'' ( ESCAPE_SEQUENCE | ~('\''|'\\') ) '\'' + ; + +STRING_LITERAL + : '"' ( ESCAPE_SEQUENCE | ~('\\'|'"') )* '"' + | ('\'' ( ESCAPE_SEQUENCE | ~('\\'|'\'') )* '\'')+ + | '`' ( ESCAPE_SEQUENCE | ~('\\'|'`') )* '`' + ; + +fragment +ESCAPE_SEQUENCE + : '\\' ('b'|'t'|'n'|'f'|'r'|'\"'|'\''|'\\') + | UNICODE_ESCAPE + | OCTAL_ESCAPE + ; + +fragment +OCTAL_ESCAPE + : '\\' ('0'..'3') ('0'..'7') ('0'..'7') + | '\\' ('0'..'7') ('0'..'7') + | '\\' ('0'..'7') + ; + +fragment +UNICODE_ESCAPE + : '\\' 'u' HEX_DIGIT HEX_DIGIT HEX_DIGIT HEX_DIGIT + ; + +TRUE + : 'true' + ; + +FALSE + : 'false' + ; + +NULL + : 'null' + ; + +EQUALS + : '=' + ; + +SEMICOLON + : ';' + ; + +COLON + : ':' + ; + +NOT_EQUAL + : '!=' + | '^=' + | '<>' + ; + +PIPE + : '|' + ; + +DOUBLE_PIPE + : '||' + ; + +PARAM : '?' + ; + +GREATER + : '>' + ; + +GREATER_EQUAL + : '>=' + ; + +LESS + : '<' + ; + +LESS_EQUAL + : '<=' + ; + +ARROW + : '->' + ; + +IDENTIFIER + : ('a'..'z'|'A'..'Z'|'_'|'$'|'\u0080'..'\ufffe')('a'..'z'|'A'..'Z'|'_'|'$'|'0'..'9'|'\u0080'..'\ufffe')* + ; + +LEFT_PAREN + : '(' + ; + +RIGHT_PAREN + : ')' + ; + +LEFT_SQUARE + : '[' + ; + +RIGHT_SQUARE + : ']' + ; + +COMMA : ',' + ; + +DOT : '.' + ; + +PLUS : '+' + ; + +MINUS : '-' + ; + +ASTERISK + : '*' + ; + +SOLIDUS : '/' + ; + +PERCENT : '%' + ; + +AMPERSAND + : '&' + ; \ No newline at end of file Property changes on: core/branches/antlr3/src/main/antlr3/org/hibernate/sql/ast/phase/hql/parse/HQL.g ___________________________________________________________________ Name: svn:eol-style + native