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JSqlParserCC.jjt
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JSqlParserCC.jjt
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/*
* #%L
* JSQLParser library
* %%
* Copyright (C) 2004 - 2021 JSQLParser
* %%
* Dual licensed under GNU LGPL 2.1 or Apache License 2.0
* #L%
*/
options {
IGNORE_CASE = true;
STATIC = false;
DEBUG_PARSER = false;
DEBUG_LOOKAHEAD = false;
DEBUG_TOKEN_MANAGER = false;
CACHE_TOKENS = false;
// FORCE_LA_CHECK = true;
UNICODE_INPUT = true;
JAVA_TEMPLATE_TYPE = "modern";
JDK_VERSION = "1.8";
TOKEN_EXTENDS = "BaseToken";
COMMON_TOKEN_ACTION = true;
NODE_DEFAULT_VOID = true;
TRACK_TOKENS = true;
VISITOR = true;
GRAMMAR_ENCODING = "UTF-8";
}
PARSER_BEGIN(CCJSqlParser)
package net.sf.jsqlparser.parser;
import net.sf.jsqlparser.parser.feature.*;
import net.sf.jsqlparser.expression.*;
import net.sf.jsqlparser.expression.operators.arithmetic.*;
import net.sf.jsqlparser.expression.operators.conditional.*;
import net.sf.jsqlparser.expression.operators.relational.*;
import net.sf.jsqlparser.schema.*;
import net.sf.jsqlparser.statement.*;
import net.sf.jsqlparser.statement.analyze.*;
import net.sf.jsqlparser.statement.alter.*;
import net.sf.jsqlparser.statement.alter.sequence.*;
import net.sf.jsqlparser.statement.comment.*;
import net.sf.jsqlparser.statement.create.function.*;
import net.sf.jsqlparser.statement.create.index.*;
import net.sf.jsqlparser.statement.create.procedure.*;
import net.sf.jsqlparser.statement.create.schema.*;
import net.sf.jsqlparser.statement.create.synonym.*;
import net.sf.jsqlparser.statement.create.sequence.*;
import net.sf.jsqlparser.statement.create.table.*;
import net.sf.jsqlparser.statement.create.view.*;
import net.sf.jsqlparser.statement.delete.*;
import net.sf.jsqlparser.statement.drop.*;
import net.sf.jsqlparser.statement.insert.*;
import net.sf.jsqlparser.statement.replace.*;
import net.sf.jsqlparser.statement.execute.*;
import net.sf.jsqlparser.statement.select.*;
import net.sf.jsqlparser.statement.show.*;
import net.sf.jsqlparser.statement.truncate.*;
import net.sf.jsqlparser.statement.update.*;
import net.sf.jsqlparser.statement.upsert.*;
import net.sf.jsqlparser.statement.merge.*;
import net.sf.jsqlparser.statement.values.*;
import net.sf.jsqlparser.statement.grant.*;
import java.util.*;
/**
* The parser generated by JavaCC
*/
public class CCJSqlParser extends AbstractJSqlParser<CCJSqlParser> {
public int bracketsCounter = 0;
public int caseCounter = 0;
public boolean interrupted = false;
public CCJSqlParser withConfiguration(FeatureConfiguration configuration) {
token_source.configuration = configuration;
return this;
}
public FeatureConfiguration getConfiguration() {
return token_source.configuration;
}
public CCJSqlParser me () {
return this;
}
private void linkAST(ASTNodeAccess access, SimpleNode node) {
access.setASTNode(node);
node.jjtSetValue(access);
}
public Node getASTRoot() {
return jjtree.rootNode();
}
}
PARSER_END(CCJSqlParser)
TOKEN_MGR_DECLS : {
public FeatureConfiguration configuration = new FeatureConfiguration();
public void CommonTokenAction(Token t)
{
t.absoluteBegin = getCurrentTokenAbsolutePosition();
t.absoluteEnd = t.absoluteBegin + t.image.length();
}
public int getCurrentTokenAbsolutePosition()
{
if (input_stream instanceof SimpleCharStream)
return ((SimpleCharStream)input_stream).getAbsoluteTokenBegin();
return -1;
}
}
SKIP:
{
<WHITESPACE: " " | "\t" | "\r" | "\n">
}
TOKEN: /* SQL Keywords. prefixed with K_ to avoid name clashes */
{
<K_ABSENT: "ABSENT">
| <K_ACTION: "ACTION">
| <K_ACTIVE: "ACTIVE">
| <K_ADD:"ADD">
| <K_ADVANCE:"ADVANCE">
| <K_ADVISE:"ADVISE">
| <K_AGAINST:"AGAINST">
| <K_ALGORITHM: "ALGORITHM">
| <K_ALL:"ALL">
| <K_ALTER:"ALTER">
| <K_ANALYZE:"ANALYZE">
| <K_AND:"AND">
| <K_AND_OPERATOR:"&&">
| <K_ANY:"ANY">
| <K_APPLY:"APPLY">
| <K_ARCHIVE: "ARCHIVE">
| <K_ARRAY_LITERAL: "ARRAY" >
| <K_AS: "AS">
| <K_AT: "AT">
| <K_ASC:"ASC">
| <K_AUTHORIZATION:"AUTHORIZATION">
| <K_BEGIN:"BEGIN">
| <K_BETWEEN:"BETWEEN">
| <K_BINARY: "BINARY">
| <K_BIT:"BIT">
| <K_BOTH:"BOTH">
| <K_BY:"BY">
| <K_CACHE: "CACHE">
| <K_BUFFERS: "BUFFERS">
| <K_BYTE: "BYTE">
| <K_CALL : "CALL">
| <K_CASCADE: "CASCADE">
| <K_CASE:"CASE">
| <K_CASEWHEN:"CASEWHEN"> /* H2 casewhen function */
| <K_CAST: "CAST">
| <K_TRY_CAST: "TRY_CAST">
| <K_CHARACTER:"CHARACTER">
| <K_CHANGE:"CHANGE">
| <K_CHANGES:"CHANGES">
| <K_CHECK:"CHECK">
| <K_CHECKPOINT:"CHECKPOINT">
| <K_CHAR:"CHAR">
| <K_CLOSE:"CLOSE">
| <K_COLLATE:"COLLATE">
| <K_COLUMN:"COLUMN">
| <K_COLUMNS:"COLUMNS">
| <K_COMMA: ",">
| <K_COMMIT:"COMMIT">
| <K_COMMENT:"COMMENT">
| <K_CONFLICT:"CONFLICT">
| <K_CONNECT:"CONNECT">
| <K_CONNECT_BY_ROOT: "CONNECT_BY_ROOT">
| <K_CONSTRAINT:"CONSTRAINT">
| <K_COSTS: "COSTS">
| <K_CREATE:"CREATE">
| <K_CROSS:"CROSS">
| <K_CURRENT: "CURRENT">
| <K_CYCLE:"CYCLE">
| <K_DATABASE:"DATABASE">
| <K_DECLARE: "DECLARE">
| <K_DATETIMELITERAL : ("DATE" | "TIME" | "TIMESTAMP") >
| <K_DATE_LITERAL : ( "YEAR" | "MONTH" | "DAY" | "HOUR" | "MINUTE" | "SECOND" ) >
| <K_DBA_RECYCLEBIN: "DBA_RECYCLEBIN">
| <K_DEFAULT : "DEFAULT">
| <K_DEFERRABLE : "DEFERRABLE">
| <K_DELAYED : "DELAYED">
| <K_DELETE:"DELETE">
| <K_DESC:"DESC">
| <K_DESCRIBE:"DESCRIBE">
| <K_DISABLE : "DISABLE">
| <K_DISCONNECT:"DISCONNECT">
| <K_DISTINCT:"DISTINCT">
| <K_DIV:"DIV">
| <K_DDL:"DDL">
| <K_DML:"DML">
| <K_DO:"DO">
| <K_DOUBLE : "DOUBLE">
| <K_DROP:"DROP">
| <K_DUMP:"DUMP">
| <K_DUPLICATE: "DUPLICATE">
| <K_ELSE:"ELSE">
| <K_EMIT : "EMIT">
| <K_ENABLE : "ENABLE">
| <K_END:"END">
| <K_ESCAPE:"ESCAPE">
| <K_EXCEPT:"EXCEPT">
| <K_EXCLUDE : "EXCLUDE">
| <K_EXEC: "EXEC">
| <K_EXECUTE: "EXECUTE">
| <K_EXISTS:"EXISTS">
| <K_EXPLAIN:"EXPLAIN">
| <K_EXTENDED:"EXTENDED">
| <K_EXTRACT:"EXTRACT">
| <K_FETCH:"FETCH">
| <K_ISOLATION:("UR" | "RS" | "RR" | "CS")>
| <K_FILTER: "FILTER">
| <K_FIRST: "FIRST">
| <K_FALSE: "FALSE">
| <K_FLUSH: "FLUSH">
| <K_FOLLOWING: "FOLLOWING">
| <K_FOR:"FOR">
| <K_FORCE : "FORCE">
| <K_FOREIGN:"FOREIGN">
| <K_FORMAT:"FORMAT">
| <K_FROM:"FROM">
| <K_FULL:"FULL">
| <K_FULLTEXT:"FULLTEXT">
| <K_FUNCTION:"FUNCTION">
| <K_GLOBAL:"GLOBAL">
| <K_GRANT:"GRANT">
| <K_GROUP:"GROUP">
| <K_GROUPING:"GROUPING">
| <K_GROUP_CONCAT:"GROUP_CONCAT">
| <K_GUARD:"GUARD">
| <K_HAVING:"HAVING">
| <K_HIGH_PRIORITY : "HIGH_PRIORITY">
| <K_HISTORY : "HISTORY">
| <K_HOPPING:"HOPPING">
| <K_IF:"IF">
| <K_IIF:"IIF">
| <K_IGNORE : "IGNORE">
| <K_ILIKE:"ILIKE">
| <K_IN:"IN">
| <K_INCLUDE:"INCLUDE">
| <K_INCREMENT:"INCREMENT">
| <K_INDEX: "INDEX">
| <K_INNER:"INNER">
| <K_STRAIGHT:"STRAIGHT_JOIN">
| <K_INSERT:"INSERT">
| <K_INTERSECT:"INTERSECT">
| <K_INTERVAL:"INTERVAL">
| <K_INTO:"INTO">
| <K_IS:"IS">
| <K_ISNULL:"ISNULL">
| <K_JOIN:"JOIN">
| <K_JSON:"JSON">
| <K_JSON_OBJECT: "JSON_OBJECT">
| <K_JSON_OBJECTAGG: "JSON_OBJECTAGG">
| <K_JSON_ARRAY: "JSON_ARRAY">
| <K_JSON_ARRAYAGG: "JSON_ARRAYAGG">
| <K_KEEP:"KEEP">
| <K_KEY:"KEY">
| <K_KEYS:"KEYS">
| <K_FN:"FN">
| <K_LAST: "LAST">
| <K_LATERAL:"LATERAL">
| <K_LEADING:"LEADING">
| <K_LEFT:"LEFT">
| <K_LIKE:"LIKE">
| <K_LIMIT:"LIMIT">
| <K_LOCAL:"LOCAL">
| <K_LINK:"LINK">
| <K_LOG:"LOG">
| <K_LOW_PRIORITY : "LOW_PRIORITY">
| <K_MATCH: "MATCH">
| <K_MATCHED: "MATCHED">
| <K_MATERIALIZED:"MATERIALIZED">
| <K_MAXVALUE: "MAXVALUE">
| <K_MERGE: "MERGE">
| <K_MINUS:"MINUS">
| <K_MINVALUE:"MINVALUE">
| <K_MODIFY: "MODIFY">
| <K_MOVEMENT: "MOVEMENT">
/* @todo:
this collides with SELECT 'yelp'::name ...
| <K_NAME:"NAME">
*/
| <K_NATURAL:"NATURAL">
| <K_NEXT:"NEXT">
| <K_NEXTVAL: ( (("NEXTVAL")(" ")+("FOR")) | ( ("NEXT")(" ")+("VALUE") (" ")+("FOR") ) )>
| <K_NO:"NO">
| <K_NOCACHE:"NOCACHE">
| <K_NOCYCLE:"NOCYCLE">
| <K_NOKEEP:"NOKEEP">
| <K_NOLOCK:"NOLOCK">
| <K_NOMAXVALUE:"NOMAXVALUE">
| <K_NOMINVALUE:"NOMINVALUE">
| <K_NOORDER:"NOORDER">
| <K_NOT:"NOT">
| <K_NOTHING:"NOTHING">
| <K_NOVALIDATE : "NOVALIDATE">
| <K_NULL:"NULL">
| <K_NULLS: "NULLS">
| <K_NOWAIT: "NOWAIT">
| <K_OF:"OF">
| <K_OFF:"OFF">
| <K_OFFSET:"OFFSET">
| <K_ON:"ON">
| <K_ONLY:"ONLY">
| <K_OPEN:"OPEN">
| <K_OR:"OR">
| <K_ORACLE_NAMED_PARAMETER_ASSIGNMENT: "=>">
| <K_ORDER:"ORDER">
| <K_OUTER:"OUTER">
| <K_OUTPUT:"OUTPUT">
| <K_OVER:"OVER">
| <K_OPTIMIZE: "OPTIMIZE" >
| <K_PARALLEL:"PARALLEL">
| <K_PARTITION:"PARTITION">
| <K_PATH:"PATH">
| <K_PERCENT:"PERCENT">
| <K_PIVOT:"PIVOT">
| <K_PLACING:"PLACING">
| <K_PRECEDING: "PRECEDING">
| <K_PRECISION : "PRECISION">
| <K_PRIMARY:"PRIMARY">
| <K_PRIOR:"PRIOR">
| <K_PROCEDURE:"PROCEDURE">
| <K_PUBLIC:"PUBLIC">
| <K_PURGE:"PURGE">
| <K_QUERY:"QUERY">
| <K_QUICK : "QUICK">
| <K_QUIESCE: "QUIESCE">
| <K_RANGE: "RANGE">
| <K_READ: "READ" >
| <K_RECYCLEBIN: "RECYCLEBIN">
| <K_RECURSIVE:"RECURSIVE">
| <K_REFERENCES:"REFERENCES">
| <K_REGEXP: "REGEXP">
| <K_RLIKE: "RLIKE">
| <K_REGISTER: "REGISTER">
| <K_RENAME:"RENAME">
| <K_REPLACE:"REPLACE">
| <K_RESUMABLE: "RESUMABLE">
| <K_RESUME: "RESUME">
| <K_RESTRICT: "RESTRICT">
| <K_RESTRICTED: "RESTRICTED">
| <K_RETURNING: "RETURNING">
| <K_RIGHT:"RIGHT">
| <K_ROLLBACK:"ROLLBACK">
| <K_ROW: "ROW">
| <K_ROWS: "ROWS">
| <K_SAVEPOINT: "SAVEPOINT">
| <K_SCHEMA: "SCHEMA">
| <K_SELECT: ("SELECT" | "SEL")>
| <K_SEMI : "SEMI">
| <K_SEQUENCE: "SEQUENCE">
| <K_SEPARATOR:"SEPARATOR">
| <K_SESSION:"SESSION">
| <K_SET:"SET">
| <K_RESET:"RESET">
| <K_RESTART:"RESTART">
| <K_SETS:"SETS">
| <K_SHOW : "SHOW">
| <K_SHUTDOWN : "SHUTDOWN">
| <K_SIBLINGS:"SIBLINGS">
| <K_SIMILAR:"SIMILAR">
| <K_SIZE:"SIZE">
| <K_SKIP: "SKIP">
| <K_SOME:"SOME">
| <K_START:"START">
| <K_SUSPEND:"SUSPEND">
| <K_SWITCH: "SWITCH">
| <K_SYNONYM:"SYNONYM">
| <K_SYSTEM:"SYSTEM">
| <K_TABLE:"TABLE">
| <K_TABLES:"TABLES">
| <K_TABLESPACE : "TABLESPACE">
| <K_THEN:"THEN">
| <K_TEMP:"TEMP">
| <K_TEMPORARY:"TEMPORARY">
| <K_TIME_KEY_EXPR : (
("CURRENT" ( "_" | (" ")+ ) "TIMESTAMP")
| ("CURRENT" ( "_" | (" ")+ ) "TIME")
| ("CURRENT" ( "_" | (" ")+ ) "DATE")
) ( "()" )?>
| <K_TIMEOUT:"TIMEOUT">
| <K_TO:"TO">
| <K_TOP:"TOP">
| <K_TRAILING:"TRAILING">
| <K_TRUNCATE:"TRUNCATE">
| <K_TRUE:"TRUE">
| <K_TUMBLING:"TUMBLING">
| <K_TYPE:"TYPE">
| <K_UNBOUNDED: "UNBOUNDED">
| <K_UNION:"UNION">
| <K_UNIQUE:"UNIQUE">
| <K_UNLOGGED: "UNLOGGED">
| <K_UNPIVOT:"UNPIVOT">
| <K_UPDATE:"UPDATE">
| <K_UPSERT:"UPSERT">
| <K_UNQIESCE:"UNQIESCE">
| <K_USE:"USE">
| <K_USER:"USER">
| <K_SQL_CALC_FOUND_ROWS: "SQL_CALC_FOUND_ROWS">
| <K_SQL_NO_CACHE: "SQL_NO_CACHE">
| <K_SQL_CACHE: "SQL_CACHE">
| <K_USING:"USING">
| <K_SIGNED:"SIGNED">
| <K_STRING_FUNCTION_NAME: ("SUBSTR" | "SUBSTRING" | "TRIM" | "POSITION" | "OVERLAY")>
| <K_UNSIGNED:"UNSIGNED">
| <K_VALIDATE : "VALIDATE">
| <K_VALUE:"VALUE">
| <K_VALUES:"VALUES">
| <K_VARYING:"VARYING">
| <K_VERBOSE: "VERBOSE">
| <K_VIEW:"VIEW">
| <K_WAIT : "WAIT">
| <K_WHEN:"WHEN">
| <K_WHERE:"WHERE">
| <K_WINDOW:"WINDOW">
| <K_WITH:"WITH">
| <K_WITH_TIES:"WITH TIES">
| <K_WITHIN:"WITHIN">
| <K_WITHOUT:"WITHOUT">
| <K_WORK:"WORK">
| <K_XML:"XML">
| <K_XOR:"XOR">
| <K_XMLSERIALIZE:"XMLSERIALIZE">
| <K_XMLAGG:"XMLAGG">
| <K_XMLTEXT:"XMLTEXT">
| <K_YAML:"YAML">
| <K_ZONE:"ZONE">
}
TOKEN : /* Stuff */
{
<ST_SEMICOLON : ";" >
}
TOKEN : /* Operators */
{
<OP_GREATERTHANEQUALS: ">" (<WHITESPACE>)* "=">
| <OP_MINORTHANEQUALS: "<" (<WHITESPACE>)* "=">
| <OP_NOTEQUALSSTANDARD: "<" (<WHITESPACE>)* ">">
| <OP_NOTEQUALSBANG: "!" (<WHITESPACE>)* "=">
| <OP_CONCAT: "|" (<WHITESPACE>)* "|">
}
TOKEN : /* Date/Time with time zones */
{
<DT_ZONE: <K_DATETIMELITERAL> (<WHITESPACE>)* ("(" <S_LONG> ")")? (<WHITESPACE>)* (<K_WITH> | <K_WITHOUT>) ((<WHITESPACE>)+ <K_LOCAL>)? (<WHITESPACE>)+ "TIME" (<WHITESPACE>)+ <K_ZONE>>
}
TOKEN : /* Numeric Constants */
{
< S_DOUBLE: ((<S_LONG>)? "." <S_LONG> ( ["e","E"] (["+", "-"])? <S_LONG>)?
|
<S_LONG> "." (["e","E"] (["+", "-"])? <S_LONG>)?
|
<S_LONG> ["e","E"] (["+", "-"])? <S_LONG>
)>
| < S_LONG: ( <DIGIT> )+ >
| < #DIGIT: ["0" - "9"] >
| < S_HEX: ("x'" ( <HEX_VALUE> )+ "'" | "0x" ( <HEX_VALUE> )+ ) >
| < #HEX_VALUE: ["0"-"9","A"-"F"] >
}
SPECIAL_TOKEN:
{
< LINE_COMMENT: ("--" | "//") (~["\r","\n"])*>
| < MULTI_LINE_COMMENT: "/*" (~["*"])* "*" ("*" | (~["*","/"] (~["*"])* "*"))* "/">
}
TOKEN:
{
<S_IDENTIFIER: <LETTER> (<PART_LETTER>)*>
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| <#PART_LETTER: 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| < S_CHAR_LITERAL: (["U","E","N","R","B"]|"RB"|"_utf8")? (("'" ( <ESC> | ~["'", "\\", "\n", "\r"] )* "'") | ("'" ("''" | ~["'"])* "'")) >
| < S_QUOTED_IDENTIFIER: "\"" (~["\n","\r","\""])* "\"" | "$$" (~["\n","\r","\""])* "$$" | ("`" (~["\n","\r","`"])+ "`") | ( "[" (~["\n","\r","]"])* "]" ) >
{ if ( !configuration.getAsBoolean(Feature.allowSquareBracketQuotation) && matchedToken.image.charAt(0) == '[' ) {
matchedToken.image = "[";
for (int i=0;i<CCJSqlParserConstants.tokenImage.length;i++) {
if (CCJSqlParserConstants.tokenImage[i].equals("\"[\"")) {
matchedToken.kind = i;
}
}
input_stream.backup(image.length() - 1);
}
}
| < #ESC: "\\" ["n","t","b","r","f","\\","'","\""] >
}
Statement Statement() #Statement:
{
IfElseStatement ifElseStatement = null;
Statement stm = null;
Statement stm2 = null;
Expression condition;
}
{
try {
(
<K_IF> condition=Condition()
stm = SingleStatement() { ifElseStatement = new IfElseStatement(condition, stm); }
[ <ST_SEMICOLON> { ifElseStatement.setUsingSemicolonForIfStatement(true); } ]
[ LOOKAHEAD(2)
<K_ELSE> stm2 = SingleStatement() { ifElseStatement.setElseStatement(stm2); }
[ <ST_SEMICOLON> { ifElseStatement.setUsingSemicolonForElseStatement(true); }]
]
<EOF>
)
|
(
stm = SingleStatement()
[ <ST_SEMICOLON> ]
<EOF>
)
|
LOOKAHEAD( { getAsBoolean(Feature.allowUnsupportedStatements) } ) stm = UnsupportedStatement()
} catch (ParseException e) {
if (errorRecovery) {
parseErrors.add(e);
error_skipto(ST_SEMICOLON);
}
else
throw e;
}
{
return ifElseStatement!=null ? ifElseStatement : stm;
}
}
Statement SingleStatement() :
{
Statement stm = null;
List<WithItem> with = null;
}
{
try {
(
LOOKAHEAD(2) (
"(" with=WithList()
(
stm = Select( with ) { ( (Select) stm).setUsingWithBrackets(true); }
/* @todo: unsure, if we need to implement those
since DMLs in brackets do not really make any sense
|
stm = Insert( with ) { ( (Insert) stm).setUsingWithBrackets(true); }
|
stm = Update( with ) { ( (Update) stm).setUsingWithBrackets(true); }
|
stm = Delete( with ) { ( (Delete) stm).setUsingWithBrackets(true); }
|
stm = Merge( with ) { ( (Merge) stm).setUsingWithBrackets(true); }
*/
)
")"
)
|
(
[ with=WithList() ]
(
stm = Select( with )
|
stm = Insert( with )
|
stm = Update( with )
|
stm = Delete( with )
|
stm = Merge( with)
)
)
|
stm = Upsert()
|
LOOKAHEAD(3)
stm = Replace()
|
LOOKAHEAD(2)
stm = AlterTable()
|
LOOKAHEAD(2)
stm = AlterSession()
|
LOOKAHEAD(CreateFunctionStatement())
stm = CreateFunctionStatement()
|
LOOKAHEAD(CreateIndex())
stm = CreateIndex()
|
LOOKAHEAD(CreateSchema())
stm = CreateSchema()
|
LOOKAHEAD(CreateSequence())
stm = CreateSequence()
|
LOOKAHEAD(CreateSynonym())
stm = CreateSynonym()
|
LOOKAHEAD(CreateTable())
stm = CreateTable()
|
LOOKAHEAD(CreateView())
stm = CreateView()
|
LOOKAHEAD(AlterView())
stm = AlterView()
|
LOOKAHEAD(AlterSequence())
stm = AlterSequence()
|
stm = Drop()
|
stm = Analyze()
|
stm = Truncate()
|
stm = Execute()
|
stm = Set()
|
stm = RenameTableStatement()
|
stm = Reset()
|
LOOKAHEAD(ShowColumns())
stm = ShowColumns()
|
LOOKAHEAD(ShowTables())
stm = ShowTables()
|
stm = Show()
|
stm = Use()
|
stm = SavepointStatement()
|
stm = RollbackStatement()
|
stm = Commit()
|
stm = Comment()
|
stm = Describe()
|
stm = Explain()
|
stm = Declare()
|
stm = Grant()
|
stm = PurgeStatement()
|
stm = AlterSystemStatement()
)
{ return stm; }
} catch (ParseException e) {
if (errorRecovery) {
parseErrors.add(e);
error_skipto(ST_SEMICOLON);
return null;
} else
throw e;
}
}
Block Block() #Block : {
Statements stmts = new Statements();
List<Statement> list = new ArrayList<Statement>();
Statement stm;
Block block = new Block();
}
{
<K_BEGIN>
(<ST_SEMICOLON>)*
try {
(
(
stm = SingleStatement()
| stm = Block()
)
<ST_SEMICOLON>
{ list.add(stm); }
)
(
(
(
stm = SingleStatement()
| stm = Block()
)
<ST_SEMICOLON>
{ list.add(stm); }
)
)*
} catch (ParseException e) {
if (errorRecovery) {
parseErrors.add(e);
error_skipto(ST_SEMICOLON);
} else {
throw e;
}
}
{
stmts.setStatements(list);
block.setStatements(stmts);
}
<K_END> [LOOKAHEAD(2) <ST_SEMICOLON>]
{
return block;
}
}
Statements Statements() #Statements : {
Statements stmts = new Statements();
List<Statement> list = new ArrayList<Statement>();
IfElseStatement ifElseStatement = null;
Statement stm = null;
Statement stm2 = null;
Expression condition;
}
{
(<ST_SEMICOLON>)*
try {
(
(
<K_IF> condition=Condition()
stm = SingleStatement() { ifElseStatement = new IfElseStatement(condition, stm); }
[ LOOKAHEAD(2)
[ <ST_SEMICOLON> { ifElseStatement.setUsingSemicolonForIfStatement(true); } ]
<K_ELSE> stm2 = SingleStatement() { ifElseStatement.setElseStatement(stm2); }
]
{ list.add( ifElseStatement ); }
)
|
(
stm = SingleStatement()
| stm = Block()
[ LOOKAHEAD(2) <ST_SEMICOLON> ]
) { list.add(stm); }
|
LOOKAHEAD( { getAsBoolean(Feature.allowUnsupportedStatements) } ) stm = UnsupportedStatement()
{ if ( !((UnsupportedStatement) stm).isEmpty() ) list.add(stm); }
)
(
<ST_SEMICOLON> { if (stm2!=null)
ifElseStatement.setUsingSemicolonForElseStatement(true);
else if (ifElseStatement!=null)
ifElseStatement.setUsingSemicolonForIfStatement(true); }
[
(
<K_IF> condition=Condition()
stm = SingleStatement() { ifElseStatement = new IfElseStatement(condition, stm); }
[ LOOKAHEAD(2)
[ <ST_SEMICOLON> { ifElseStatement.setUsingSemicolonForIfStatement(true); } ]
<K_ELSE> stm2 = SingleStatement() { ifElseStatement.setElseStatement(stm2); }
]
{ list.add( ifElseStatement ); }
)
|
(
stm = SingleStatement()
| stm = Block()
[ LOOKAHEAD(2) <ST_SEMICOLON> ]
) { list.add(stm); }
|
// For any reason, we can't LOOKAHEAD( { getAsBoolean(Feature.allowUnsupportedStatements) } ) here
// As it will result in a Stack Overflow
stm = UnsupportedStatement()
{ if ( !((UnsupportedStatement) stm).isEmpty() ) list.add(stm); }
]
)*
<EOF>
} catch (ParseException e) {
if (errorRecovery) {
parseErrors.add(e);
error_skipto(ST_SEMICOLON);
} else {
throw e;
}
}
{
return stmts.withStatements(list);
}
}
JAVACODE
void error_skipto(int kind) {
ParseException e = generateParseException();
Token t;
do {
t = getNextToken();
} while (t.kind != kind && t.kind != EOF);
}
DeclareStatement Declare(): {
UserVariable userVariable;
ColDataType colDataType;
Expression defaultExpr = null;
DeclareStatement stmt = new DeclareStatement();
String typeName;
String columnName;
ColumnDefinition colDef;
} {
<K_DECLARE> userVariable = UserVariable()
(
( <K_TABLE> "(" colDef = ColumnDefinition()
{
stmt.withUserVariable(userVariable)
.withDeclareType(DeclareType.TABLE)
.addColumnDefinition(colDef);
}
("," colDef = ColumnDefinition() { stmt.addColumnDefinition(colDef); })* ")"
)
|
<K_AS> typeName = RelObjectName()
{
stmt.withUserVariable(userVariable)
.withDeclareType(DeclareType.AS)
.withTypeName(typeName);
}
|
(colDataType = ColDataType() ["=" defaultExpr = Expression()]
{
stmt.withDeclareType(DeclareType.TYPE)
.addType(userVariable, colDataType, defaultExpr);
}
("," userVariable = UserVariable() colDataType = ColDataType() { defaultExpr = null; }
["=" defaultExpr = Expression()] { stmt.addType(userVariable, colDataType, defaultExpr); } )*
)
)
{
return stmt;
}
}
SetStatement Set(): {
String name;
ArrayList<Expression> expList;
boolean useEqual = false;
SetStatement set;
Expression exp = null;
Token tk = null;
String effectParameter = null;
}
{
<K_SET>
(
[LOOKAHEAD(3) (tk = <K_LOCAL> | tk = <K_SESSION>) {effectParameter = tk.image; } ]
( LOOKAHEAD(2)
<K_DATETIMELITERAL> <K_ZONE> { name = "Time Zone"; useEqual=false; }
| (name = RelObjectNameExt() ["=" { useEqual=true; } ])
)
)
exp=SimpleExpression()
{expList = new ArrayList<Expression>(); expList.add(exp); }
{ set = new SetStatement(name,expList).withUseEqual(useEqual).withEffectParameter(effectParameter); }
(
{ useEqual=false; }
","
(LOOKAHEAD(3)
(
( LOOKAHEAD(2)
<K_DATETIMELITERAL> <K_ZONE> { name = "Time Zone"; useEqual=false; }
| (name = RelObjectNameExt() ["=" { useEqual=true; } ])
)
exp=SimpleExpression()
{expList = new ArrayList<Expression>();
expList.add(exp);
set.add(name, expList, useEqual);}
)
| exp=SimpleExpression() { expList.add(exp); }
))*
{ return set; }
}
ResetStatement Reset(): {
String name;
ResetStatement reset;
Token all;
}
{
<K_RESET> ( LOOKAHEAD(2) <K_DATETIMELITERAL> <K_ZONE> {name = "Time Zone"; } | name = RelObjectName() | all = <K_ALL> {name = all.image; } )
{ reset = new ResetStatement(name); }
{ return reset; }
}
RenameTableStatement RenameTableStatement(): {
RenameTableStatement renameTableStatement;
Table oldName;
Table newName;
boolean usingTableKeyword=false;
boolean usesIfExistsKeyword=false;
String waitDirective = "";
Token token;
}
{
<K_RENAME>
[ LOOKAHEAD(2) <K_TABLE> { usingTableKeyword = true; } ]
[ LOOKAHEAD(2) <K_IF> <K_EXISTS> { usesIfExistsKeyword = true; } ]
oldName = Table()
[ (
<K_WAIT> token=<S_LONG> { waitDirective = "WAIT " + token.image; }
|
<K_NOWAIT> { waitDirective = "NOWAIT"; }
) ]
<K_TO>
newName = Table()
{
renameTableStatement = new RenameTableStatement(oldName, newName, usingTableKeyword, usesIfExistsKeyword, waitDirective);
}
(
","
oldName = Table()
<K_TO>
newName = Table()
{
renameTableStatement.addTableNames(oldName, newName);
}
)*
{
return renameTableStatement;
}
}
PurgeStatement PurgeStatement(): {
PurgeStatement purgeStatement = null;
Table table;
Index index;
Token tableSpaceToken;
Token userToken = null;
}
{
<K_PURGE>
(
<K_TABLE> table=Table() { purgeStatement = new PurgeStatement(table); }
|
<K_INDEX> index=Index() { purgeStatement = new PurgeStatement(index); }
|
<K_RECYCLEBIN> { purgeStatement = new PurgeStatement(PurgeObjectType.RECYCLEBIN); }
|
<K_DBA_RECYCLEBIN> { purgeStatement = new PurgeStatement(PurgeObjectType.DBA_RECYCLEBIN); }
|
<K_TABLESPACE> tableSpaceToken=<S_IDENTIFIER> [ <K_USER> userToken=<S_IDENTIFIER> ] {
purgeStatement = new PurgeStatement(
PurgeObjectType.TABLESPACE
, tableSpaceToken.image
, userToken!=null ? userToken.image : null);
}
)
{
return purgeStatement;
}
}
DescribeStatement Describe(): {
Table table;
} {
<K_DESCRIBE> table = Table()
{
return new DescribeStatement(table);
}
}
ExplainStatement Explain(): {
Select select;
List<ExplainStatement.Option> options = null;
} {
<K_EXPLAIN>
options=ExplainStatementOptions()
select = SelectWithWithItems( )
{