/
Sql.g
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Sql.g
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/*
* Sql.g
* Copyright (C) 2009-2013 TMate Software Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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 General Public License for more details.
*
* For information on how to redistribute this software under
* the terms of a license other than GNU General Public License
* contact TMate Software at support@sqljet.com
*
* @author TMate Software Ltd.
* @author Dmitry Stadnik (dtrace@seznam.cz)
*/
grammar Sql;
options {
language = Java;
output = AST;
k = 4;
}
tokens {
ALIAS; // replaces AS
BIND; // bind parameter, maybe with position
BIND_NAME; // bind parameter by name
BLOB_LITERAL;
COLUMN_CONSTRAINT; // root for column_constraint
COLUMN_EXPRESSION;
COLUMNS;
CONSTRAINTS; // groups all constraints
CREATE_INDEX;
CREATE_TABLE;
CREATE_VIEW;
CREATE_TRIGGER;
DROP_INDEX;
DROP_TABLE;
FLOAT_LITERAL;
FUNCTION_LITERAL;
FUNCTION_EXPRESSION;
ID_LITERAL;
IN_VALUES;
IN_TABLE;
INTEGER_LITERAL;
IS_NULL;
IS_NOT;
NOT_NULL;
OPTIONS;
ORDERING; // root for ordering_term
SELECT_CORE; // root for simple select statement, part of a compound select
STRING_LITERAL;
STATEMENT;
TABLE_CONSTRAINT; // root for table constraint
TYPE; // root for type_name
TYPE_PARAMS; // root for numbers in type_name
}
@header {
package org.tmatesoft.sqljet.core.internal.lang;
}
@lexer::header {
package org.tmatesoft.sqljet.core.internal.lang;
}
@members {
// Disable error recovery.
protected Object recoverFromMismatchedToken(IntStream input, int ttype, BitSet follow) throws RecognitionException {
throw new MismatchedTokenException(ttype, input);
}
// Delegate error reporting to caller.
public void displayRecognitionError(String[] tokenNames, RecognitionException e) {
final StringBuilder buffer = new StringBuilder();
buffer.append("[").append(getErrorHeader(e)).append("] ");
buffer.append(getErrorMessage(e, tokenNames));
if(e.token!=null) {
final CharStream stream = e.token.getInputStream();
if(stream!=null) {
int size = stream.size();
if(size>0) {
buffer.append("\n").append(stream.substring(0, size-1));
}
}
}
throw new SqlJetParserException(buffer.toString(), e);
}
// unquotes identifier
public static String unquoteId(String id) {
if(id==null) {
return null;
}
int len = id.length();
if(len==0) {
return "";
}
char first = id.charAt(0);
char last = id.charAt(len-1);
switch(first) {
case '[' :
first = ']';
case '\'' :
case '"' :
case '`' :
if(first==last) {
return id.substring(1,len-1);
}
default:
return id;
}
}
public static String quotedId(final CommonTree ast) {
if(ast instanceof QuotedId) {
return ((QuotedId)ast).quotedId();
}
return ast.getText();
}
public static class QuotedId extends CommonTree {
public QuotedId(Token t) { token=t;}
public QuotedId(QuotedId node) { super(node); }
public Tree dupNode() { return new QuotedId(this); }
public String toString() { return token.getText();}
public String getText() { return unquoteId(super.getText()); }
public String quotedId() { return super.getText(); }
}
}
@lexer::members {
public void displayRecognitionError(String[] tokenNames, RecognitionException e) {
final StringBuilder buffer = new StringBuilder();
buffer.append("[").append(getErrorHeader(e)).append("] ");
buffer.append(getErrorMessage(e, tokenNames));
if(e.input!=null && e.input instanceof CharStream) {
final CharStream stream = (CharStream) e.input;
int size = stream.size();
if(size>0) {
buffer.append("\n").append(stream.substring(0, size-1));
}
}
throw new SqlJetParserException(buffer.toString(), e);
}
}
// Input is a list of statements.
sql_stmt_list: sql_stmt (SEMI! (sql_stmt SEMI!)* )? EOF!;
sql_stmt_itself: sql_stmt (SEMI!)? EOF!;
sql_stmt: (EXPLAIN (QUERY PLAN)?)? sql_stmt_core;
sql_stmt_core
: pragma_stmt
| attach_stmt
| detach_stmt
| analyze_stmt
| reindex_stmt
| vacuum_stmt
| select_stmt
| insert_stmt
| update_stmt
| delete_stmt
| begin_stmt
| commit_stmt
| rollback_stmt
| savepoint_stmt
| release_stmt
| create_virtual_table_stmt
| create_table_stmt
| drop_table_stmt
| alter_table_stmt
| create_view_stmt
| drop_view_stmt
| create_index_stmt
| drop_index_stmt
| create_trigger_stmt
| drop_trigger_stmt
;
schema_create_table_stmt: create_virtual_table_stmt | create_table_stmt;
qualified_table_name: (database_name=id DOT)? table_name=id (INDEXED BY index_name=id | NOT INDEXED)?;
expr: or_subexpr (OR^ or_subexpr)*;
or_subexpr: and_subexpr (AND^ and_subexpr)*;
and_subexpr: eq_subexpr cond_expr^?;
cond_expr
: NOT? match_op match_expr=eq_subexpr (ESCAPE escape_expr=eq_subexpr)? -> ^(match_op $match_expr NOT? ^(ESCAPE $escape_expr)?)
| NOT? IN LPAREN expr (COMMA expr)* RPAREN -> ^(IN_VALUES NOT? ^(IN expr+))
| NOT? IN (database_name=id DOT)? table_name=id -> ^(IN_TABLE NOT? ^(IN ^($table_name $database_name?)))
| NOT? IN^ LPAREN! select_stmt? RPAREN!
| NOT? EQUALS^ LPAREN! select_stmt? RPAREN!
| (ISNULL -> IS_NULL | NOTNULL -> NOT_NULL | IS NULL -> IS_NULL | NOT NULL -> NOT_NULL | IS NOT NULL -> NOT_NULL)
| IS NOT^ eq_subexpr
| NOT? BETWEEN e1=eq_subexpr AND e2=eq_subexpr -> ^(BETWEEN NOT? ^(AND $e1 $e2))
| ((EQUALS | EQUALS2 | NOT_EQUALS | NOT_EQUALS2)^ eq_subexpr)+ /* order of the eq subexpressions is reversed! */
;
match_op: LIKE | GLOB | REGEXP | MATCH;
eq_subexpr: neq_subexpr ((LESS | LESS_OR_EQ | GREATER | GREATER_OR_EQ)^ neq_subexpr)*;
neq_subexpr: bit_subexpr ((SHIFT_LEFT | SHIFT_RIGHT | AMPERSAND | PIPE)^ bit_subexpr)*;
bit_subexpr: add_subexpr ((PLUS | MINUS)^ add_subexpr)*;
add_subexpr: mul_subexpr ((ASTERISK | SLASH | PERCENT)^ mul_subexpr)*;
mul_subexpr: con_subexpr (DOUBLE_PIPE^ con_subexpr)*;
con_subexpr: unary_subexpr | unary_op unary_subexpr -> ^(unary_op unary_subexpr);
unary_op: PLUS | MINUS | TILDA | NOT;
unary_subexpr: atom_expr (COLLATE^ collation_name=ID)?;
atom_expr
: literal_value
| bind_parameter
| ((database_name=id DOT)? table_name=id DOT)? column_name=ID -> ^(COLUMN_EXPRESSION ^($column_name ^($table_name $database_name?)?))
| name=ID LPAREN (DISTINCT? args+=expr (COMMA args+=expr)* | ASTERISK)? RPAREN -> ^(FUNCTION_EXPRESSION $name DISTINCT? $args* ASTERISK?)
| LPAREN! expr RPAREN!
| CAST^ LPAREN! expr AS! type_name RPAREN!
| ((NOT)? EXISTS)? LPAREN select_stmt RPAREN
| CASE (case_expr=expr)? when_expr+ (ELSE else_expr=expr)? END -> ^(CASE $case_expr? when_expr+ $else_expr?)
| raise_function
;
when_expr: WHEN e1=expr THEN e2=expr -> ^(WHEN $e1 $e2);
literal_value
: INTEGER -> ^(INTEGER_LITERAL INTEGER)
| FLOAT -> ^(FLOAT_LITERAL FLOAT)
| STRING -> ^(STRING_LITERAL STRING)
| BLOB -> ^(BLOB_LITERAL BLOB)
| NULL
| CURRENT_TIME -> ^(FUNCTION_LITERAL CURRENT_TIME)
| CURRENT_DATE -> ^(FUNCTION_LITERAL CURRENT_DATE)
| CURRENT_TIMESTAMP -> ^(FUNCTION_LITERAL CURRENT_TIMESTAMP)
| bool
;
bind_parameter
: QUESTION -> BIND
| QUESTION position=INTEGER -> ^(BIND $position)
| COLON name=id -> ^(BIND_NAME $name)
| AT name=id -> ^(BIND_NAME $name)
// tcl bindings are not supported for now
// | DOLLAR name=TCL_ID
;
raise_function: RAISE^ LPAREN! (IGNORE | (ROLLBACK | ABORT | FAIL) COMMA! error_message=STRING) RPAREN!;
type_name: names+=ID+ (LPAREN size1=signed_number (COMMA size2=signed_number)? RPAREN)?
-> ^(TYPE ^(TYPE_PARAMS $size1? $size2?) $names+);
signed_number: (PLUS | MINUS)? (INTEGER | FLOAT);
// PRAGMA
pragma_stmt: PRAGMA (database_name=id DOT)? pragma_name=id (EQUALS pragma_value | LPAREN pragma_value RPAREN)?
-> ^(PRAGMA ^($pragma_name $database_name?) pragma_value?);
pragma_value
: signed_number -> ^(FLOAT_LITERAL signed_number)
| ID -> ^(ID_LITERAL ID)
| STRING -> ^(STRING_LITERAL STRING)
| bool
;
// ATTACH
attach_stmt: ATTACH (DATABASE)? filename=id AS database_name=id;
// DETACH
detach_stmt: DETACH (DATABASE)? database_name=id;
// ANALYZE
analyze_stmt: ANALYZE (database_or_table_name=id | database_name=id DOT table_name=id)?;
// REINDEX
reindex_stmt: REINDEX (database_name=id DOT)? collation_or_table_or_index_name=id;
// VACUUM
vacuum_stmt: VACUUM;
//
// DML
//
operation_conflict_clause: OR (ROLLBACK | ABORT | FAIL | IGNORE | REPLACE);
ordering_term: expr /* {ambiguous; part of expr} (COLLATE collation_name=ID)? */ (ASC | DESC)?
-> ^(ORDERING expr (ASC)? (DESC)?);
operation_limited_clause:
(ORDER BY ordering_term (COMMA ordering_term)*)?
LIMIT limit=INTEGER ((OFFSET | COMMA) offset=INTEGER)?;
// SELECT
select_stmt: select_list
(ORDER BY ordering_term (COMMA ordering_term)*)?
(LIMIT limit=INTEGER ((OFFSET | COMMA) offset=INTEGER)?)?
-> ^(
SELECT select_list ^(ORDER ordering_term+)? ^(LIMIT $limit $offset?)?
);
select_list:
select_core (select_op^ select_core)*;
select_op: UNION^ (ALL)? | INTERSECT | EXCEPT;
select_core:
SELECT (ALL | DISTINCT)? result_column (COMMA result_column)* (FROM join_source)? (WHERE where_expr=expr)?
( GROUP BY ordering_term (COMMA ordering_term)* (HAVING having_expr=expr)? )?
-> ^(
SELECT_CORE (DISTINCT)? ^(COLUMNS result_column+) ^(FROM join_source)? ^(WHERE $where_expr)?
^(GROUP ordering_term+ ^(HAVING $having_expr)?)?
);
result_column
: ASTERISK
| table_name=id DOT ASTERISK -> ^(ASTERISK $table_name)
| expr ((AS)? column_alias=id)? -> ^(ALIAS expr $column_alias?);
join_source: single_source (join_op^ single_source (join_constraint)?)*;
single_source
: (database_name=id DOT)? table_name=ID ((AS)? table_alias=ID)? (INDEXED BY index_name=id | NOT INDEXED)?
-> ^(ALIAS ^($table_name $database_name?) $table_alias? ^(INDEXED NOT? $index_name?)?)
| LPAREN select_stmt RPAREN ((AS)? table_alias=ID)?
-> ^(ALIAS select_stmt $table_alias?)
| LPAREN! join_source RPAREN!;
join_op
: COMMA
| (NATURAL)? ((LEFT)? (OUTER)? | INNER | CROSS) JOIN^;
join_constraint
: ON^ expr
| USING LPAREN column_names+=id (COMMA column_names+=id)* RPAREN -> ^(USING $column_names+);
// INSERT
insert_stmt: (INSERT (operation_conflict_clause)? | REPLACE) INTO (database_name=id DOT)? table_name=id
( (LPAREN column_names+=id (COMMA column_names+=id)* RPAREN)?
(VALUES LPAREN values+=expr (COMMA values+=expr)* RPAREN | select_stmt)
| DEFAULT VALUES );
// UPDATE
update_stmt: UPDATE (operation_conflict_clause)? qualified_table_name
SET values+=update_set (COMMA values+=update_set)* (WHERE expr)? (operation_limited_clause)?;
update_set: column_name=id EQUALS expr;
// DELETE
delete_stmt: DELETE FROM qualified_table_name (WHERE expr)? (operation_limited_clause)?;
// BEGIN TRANSACTION
begin_stmt: BEGIN (DEFERRED | IMMEDIATE | EXCLUSIVE)? (TRANSACTION)?;
// COMMIT TRANSACTION
commit_stmt: (COMMIT | END) (TRANSACTION)?;
// ROLLBACK TRANSACTION
rollback_stmt: ROLLBACK (TRANSACTION)? (TO (SAVEPOINT)? savepoint_name=id)?;
// SAVEPOINT
savepoint_stmt: SAVEPOINT savepoint_name=id;
// RELEASE
release_stmt: RELEASE (SAVEPOINT)? savepoint_name=id;
//
// DDL
//
table_conflict_clause: ON! CONFLICT^ (ROLLBACK | ABORT | FAIL | IGNORE | REPLACE);
// CREATE VIRTUAL TABLE
// TODO: replace column defs by arbitrary text with balanced parens
create_virtual_table_stmt: CREATE VIRTUAL TABLE (database_name=id DOT)? table_name=id
USING module_name=id (LPAREN column_def (COMMA column_def)* RPAREN)?
-> ^(CREATE_TABLE ^(OPTIONS VIRTUAL) ^($table_name $database_name?) ^($module_name) ^(COLUMNS column_def+)?);
// CREATE TABLE
create_table_stmt: CREATE TEMPORARY? TABLE (IF NOT EXISTS)? (database_name=id DOT)? table_name=id
( LPAREN column_def (COMMA column_def)* (COMMA? table_constraint)* RPAREN
| AS select_stmt)
-> ^(CREATE_TABLE ^(OPTIONS TEMPORARY? EXISTS?) ^($table_name $database_name?)
^(COLUMNS column_def+)? ^(CONSTRAINTS table_constraint*)? select_stmt?);
column_def: name=id_column_def type_name? column_constraint*
-> ^($name ^(CONSTRAINTS column_constraint*) type_name?);
column_constraint: (CONSTRAINT name=id)?
( column_constraint_pk
| column_constraint_not_null
| column_constraint_null
| column_constraint_unique
| column_constraint_check
| column_constraint_default
| column_constraint_collate
| fk_clause)
-> ^(COLUMN_CONSTRAINT
column_constraint_pk?
column_constraint_not_null?
column_constraint_null?
column_constraint_unique?
column_constraint_check?
column_constraint_default?
column_constraint_collate?
fk_clause?
$name?);
column_constraint_pk: PRIMARY^ KEY! (ASC | DESC)? table_conflict_clause? (AUTOINCREMENT)?;
column_constraint_not_null: NOT NULL table_conflict_clause? -> ^(NOT_NULL table_conflict_clause?);
column_constraint_null: NULL table_conflict_clause? -> ^(IS_NULL table_conflict_clause?);
column_constraint_unique: UNIQUE^ table_conflict_clause?;
column_constraint_check: CHECK^ LPAREN! expr RPAREN!;
numeric_literal_value
: INTEGER -> ^(INTEGER_LITERAL INTEGER)
| FLOAT -> ^(FLOAT_LITERAL FLOAT)
;
signed_default_number: (PLUS | MINUS)^ numeric_literal_value;
// Expand signed_number to avoid collisions with literal_value
column_constraint_default: DEFAULT^ (signed_default_number | literal_value | LPAREN! expr RPAREN! );
column_constraint_collate: COLLATE^ collation_name=id; // collation_name: (BINARY|NOCASE|RTRIM)
table_constraint: (CONSTRAINT name=id)?
( table_constraint_pk
| table_constraint_unique
| table_constraint_check
| table_constraint_fk)
-> ^(TABLE_CONSTRAINT
table_constraint_pk?
table_constraint_unique?
table_constraint_check?
table_constraint_fk?
$name?);
table_constraint_pk: PRIMARY KEY
LPAREN indexed_columns+=id (COMMA indexed_columns+=id)* RPAREN table_conflict_clause?
-> ^(PRIMARY ^(COLUMNS $indexed_columns+) table_conflict_clause?);
table_constraint_unique: UNIQUE
LPAREN indexed_columns+=id (COMMA indexed_columns+=id)* RPAREN table_conflict_clause?
-> ^(UNIQUE ^(COLUMNS $indexed_columns+) table_conflict_clause?);
table_constraint_check: CHECK^ LPAREN! expr RPAREN!;
table_constraint_fk: FOREIGN KEY LPAREN column_names+=id (COMMA column_names+=id)* RPAREN fk_clause
-> ^(FOREIGN ^(COLUMNS $column_names+) fk_clause);
fk_clause: REFERENCES foreign_table=id (LPAREN column_names+=id (COMMA column_names+=id)* RPAREN)?
fk_clause_action* fk_clause_deferrable?
-> ^(REFERENCES $foreign_table ^(COLUMNS $column_names+) fk_clause_action* fk_clause_deferrable?);
fk_clause_action
: ON^ (DELETE | UPDATE | INSERT) (SET! NULL | SET! DEFAULT | CASCADE | RESTRICT)
| MATCH^ id;
fk_clause_deferrable: (NOT)? DEFERRABLE^ (INITIALLY! DEFERRED | INITIALLY! IMMEDIATE)?;
// DROP TABLE
drop_table_stmt: DROP TABLE (IF EXISTS)? (database_name=id DOT)? table_name=id
-> ^(DROP_TABLE ^(OPTIONS EXISTS?) ^($table_name $database_name?));
// ALTER TABLE
alter_table_stmt: ALTER TABLE (database_name=id DOT)? table_name=id (RENAME TO new_table_name=id | ADD (COLUMN)? column_def);
// CREATE VIEW
create_view_stmt: CREATE TEMPORARY? VIEW (IF NOT EXISTS)? (database_name=id DOT)? view_name=id AS t=select_stmt
-> ^(CREATE_VIEW ^(OPTIONS TEMPORARY? EXISTS?) ^($view_name $database_name?) ^(STATEMENT $t));
// DROP VIEW
drop_view_stmt: DROP VIEW (IF EXISTS)? (database_name=id DOT)? view_name=id;
// CREATE INDEX
create_index_stmt: CREATE (UNIQUE)? INDEX (IF NOT EXISTS)? (database_name=id DOT)? index_name=id
ON table_name=id LPAREN columns+=indexed_column (COMMA columns+=indexed_column)* RPAREN
-> ^(CREATE_INDEX ^(OPTIONS UNIQUE? EXISTS?) ^($index_name $database_name?) $table_name ^(COLUMNS $columns+)?);
indexed_column: column_name=id (COLLATE collation_name=id)? (ASC | DESC)?
-> ^($column_name ^(COLLATE $collation_name)? ASC? DESC?);
// DROP INDEX
drop_index_stmt: DROP INDEX (IF EXISTS)? (database_name=id DOT)? index_name=id
-> ^(DROP_INDEX ^(OPTIONS EXISTS?) ^($index_name $database_name?));
// CREATE TRIGGER
create_trigger_stmt: CREATE TEMPORARY? TRIGGER (IF NOT EXISTS)? (database_name=id DOT)? trigger_name=id
(BEFORE | AFTER | INSTEAD OF)? (DELETE | INSERT | UPDATE (OF column_names+=id (COMMA column_names+=id)*)?)
ON table_name=id (FOR EACH ROW)? (WHEN expr)?
BEGIN ((update_stmt | insert_stmt | delete_stmt | select_stmt) SEMI)+ END
-> ^(CREATE_TRIGGER ^(OPTIONS TEMPORARY?) ^($trigger_name $table_name $database_name?));
// DROP TRIGGER
drop_trigger_stmt: DROP TRIGGER (IF EXISTS)? (database_name=id DOT)? trigger_name=id;
// identifiers core
id_core: str=( ID<QuotedId> | STRING<QuotedId> );
// Special rules that allow to use certain keywords as identifiers.
id: id_core | keyword;
keyword: (
ABORT
| ADD
| AFTER
| ALL
| ALTER
| ANALYZE
| AND
| AS
| ASC
| ATTACH
| AUTOINCREMENT
| BEFORE
| BEGIN
| BETWEEN
| BY
| CASCADE
| CASE
| CAST
| CHECK
| COLLATE
| COLUMN
| COMMIT
| CONFLICT
| CONSTRAINT
| CREATE
| CROSS
| CURRENT_TIME
| CURRENT_DATE
| CURRENT_TIMESTAMP
| DATABASE
| DEFAULT
| DEFERRABLE
| DEFERRED
| DELETE
| DESC
| DETACH
| DISTINCT
| DROP
| EACH
| ELSE
| END
| ESCAPE
| EXCEPT
| EXCLUSIVE
| EXISTS
| EXPLAIN
| FAIL
| FOR
| FOREIGN
| FROM
// | GLOB
| GROUP
| HAVING
| IF
| IGNORE
| IMMEDIATE
// | IN
| INDEX
| INDEXED
| INITIALLY
| INNER
| INSERT
| INSTEAD
| INTERSECT
| INTO
| IS
// | ISNULL
| JOIN
| KEY
| LEFT
// | LIKE
| LIMIT
// | MATCH
| NATURAL
// | NOT
// | NOTNULL
| NULL
| OF
| OFFSET
| ON
| OR
| ORDER
| OUTER
| PLAN
| PRAGMA
| PRIMARY
| QUERY
| RAISE
| REFERENCES
// | REGEXP
| REINDEX
| RELEASE
| RENAME
| REPLACE
| RESTRICT
| ROLLBACK
| ROW
| SAVEPOINT
| SELECT
| SET
| TABLE
| TEMPORARY
| THEN
| TO
| TRANSACTION
| TRIGGER
| UNION
| UNIQUE
| UPDATE
| USING
| VACUUM
| VALUES
| VIEW
| VIRTUAL
| WHEN
| WHERE
);
id_column_def: id_core | keyword_column_def;
keyword_column_def: (
ABORT
| ADD
| AFTER
| ALL
| ALTER
| ANALYZE
| AND
| AS
| ASC
| ATTACH
| AUTOINCREMENT
| BEFORE
| BEGIN
| BETWEEN
| BY
| CASCADE
| CASE
| CAST
| CHECK
| COLLATE
// | COLUMN
| COMMIT
| CONFLICT
// | CONSTRAINT
| CREATE
| CROSS
| CURRENT_TIME
| CURRENT_DATE
| CURRENT_TIMESTAMP
| DATABASE
| DEFAULT
| DEFERRABLE
| DEFERRED
| DELETE
| DESC
| DETACH
| DISTINCT
| DROP
| EACH
| ELSE
| END
| ESCAPE
| EXCEPT
| EXCLUSIVE
| EXISTS
| EXPLAIN
| FAIL
| FOR
| FOREIGN
| FROM
| GLOB
| GROUP
| HAVING
| IF
| IGNORE
| IMMEDIATE
| IN
| INDEX
| INDEXED
| INITIALLY
| INNER
| INSERT
| INSTEAD
| INTERSECT
| INTO
| IS
| ISNULL
| JOIN
| KEY
| LEFT
| LIKE
| LIMIT
| MATCH
| NATURAL
| NOT
| NOTNULL
| NULL
| OF
| OFFSET
| ON
| OR
| ORDER
| OUTER
| PLAN
| PRAGMA
| PRIMARY
| QUERY
| RAISE
| REFERENCES
| REGEXP
| REINDEX
| RELEASE
| RENAME
| REPLACE
| RESTRICT
| ROLLBACK
| ROW
| SAVEPOINT
| SELECT
| SET
| TABLE
| TEMPORARY
| THEN
| TO
| TRANSACTION
| TRIGGER
| UNION
| UNIQUE
| UPDATE
| USING
| VACUUM
| VALUES
| VIEW
| VIRTUAL
| WHEN
| WHERE
);
//
// Lexer
//
EQUALS: '=';
EQUALS2: '==';
NOT_EQUALS: '!=';
NOT_EQUALS2: '<>';
LESS: '<';
LESS_OR_EQ: '<=';
GREATER: '>';
GREATER_OR_EQ: '>=';
SHIFT_LEFT: '<<';
SHIFT_RIGHT: '>>';
AMPERSAND: '&';
PIPE: '|';
DOUBLE_PIPE: '||';
PLUS: '+';
MINUS: '-';
TILDA: '~';
ASTERISK: '*';
SLASH: '/';
BACKSLASH: '\\';
PERCENT: '%';
SEMI: ';';
DOT: '.';
COMMA: ',';
LPAREN: '(';
RPAREN: ')';
QUESTION: '?';
COLON: ':';
AT: '@';
DOLLAR: '$';
QUOTE_DOUBLE: '"';
QUOTE_SINGLE: '\'';
APOSTROPHE: '`';
LPAREN_SQUARE: '[';
RPAREN_SQUARE: ']';
UNDERSCORE: '_';
// http://www.antlr.org/wiki/pages/viewpage.action?pageId=1782
fragment A:('a'|'A');
fragment B:('b'|'B');
fragment C:('c'|'C');
fragment D:('d'|'D');
fragment E:('e'|'E');
fragment F:('f'|'F');
fragment G:('g'|'G');
fragment H:('h'|'H');
fragment I:('i'|'I');
fragment J:('j'|'J');
fragment K:('k'|'K');
fragment L:('l'|'L');
fragment M:('m'|'M');
fragment N:('n'|'N');
fragment O:('o'|'O');
fragment P:('p'|'P');
fragment Q:('q'|'Q');
fragment R:('r'|'R');
fragment S:('s'|'S');
fragment T:('t'|'T');
fragment U:('u'|'U');
fragment V:('v'|'V');
fragment W:('w'|'W');
fragment X:('x'|'X');
fragment Y:('y'|'Y');
fragment Z:('z'|'Z');
ABORT: A B O R T;
ADD: A D D;
AFTER: A F T E R;
ALL: A L L;
ALTER: A L T E R;
ANALYZE: A N A L Y Z E;
AND: A N D;
AS: A S;
ASC: A S C;
ATTACH: A T T A C H;
AUTOINCREMENT: A U T O I N C R E M E N T;
BEFORE: B E F O R E;
BEGIN: B E G I N;
BETWEEN: B E T W E E N;
BY: B Y;
CASCADE: C A S C A D E;
CASE: C A S E;
CAST: C A S T;
CHECK: C H E C K;
COLLATE: C O L L A T E;
COLUMN: C O L U M N;
COMMIT: C O M M I T;
CONFLICT: C O N F L I C T;
CONSTRAINT: C O N S T R A I N T;
CREATE: C R E A T E;
CROSS: C R O S S;
CURRENT_TIME: C U R R E N T '_' T I M E;
CURRENT_DATE: C U R R E N T '_' D A T E;
CURRENT_TIMESTAMP: C U R R E N T '_' T I M E S T A M P;
DATABASE: D A T A B A S E;
DEFAULT: D E F A U L T;
DEFERRABLE: D E F E R R A B L E;
DEFERRED: D E F E R R E D;
DELETE: D E L E T E;
DESC: D E S C;
DETACH: D E T A C H;
DISTINCT: D I S T I N C T;
DROP: D R O P;
EACH: E A C H;
ELSE: E L S E;
END: E N D;
ESCAPE: E S C A P E;
EXCEPT: E X C E P T;
EXCLUSIVE: E X C L U S I V E;
EXISTS: E X I S T S;
EXPLAIN: E X P L A I N;
FAIL: F A I L;
FOR: F O R;
FOREIGN: F O R E I G N;
FROM: F R O M;
GLOB: G L O B;
GROUP: G R O U P;
HAVING: H A V I N G;
IF: I F;
IGNORE: I G N O R E;
IMMEDIATE: I M M E D I A T E;
IN: I N;
INDEX: I N D E X;
INDEXED: I N D E X E D;
INITIALLY: I N I T I A L L Y;
INNER: I N N E R;
INSERT: I N S E R T;
INSTEAD: I N S T E A D;
INTERSECT: I N T E R S E C T;
INTO: I N T O;
IS: I S;
ISNULL: I S N U L L;
JOIN: J O I N;
KEY: K E Y;
LEFT: L E F T;
LIKE: L I K E;
LIMIT: L I M I T;
MATCH: M A T C H;
NATURAL: N A T U R A L;
NOT: N O T;
NOTNULL: N O T N U L L;
NULL: N U L L;
OF: O F;
OFFSET: O F F S E T;
ON: O N;
OR: O R;
ORDER: O R D E R;
OUTER: O U T E R;
PLAN: P L A N;
PRAGMA: P R A G M A;
PRIMARY: P R I M A R Y;
QUERY: Q U E R Y;
RAISE: R A I S E;
REFERENCES: R E F E R E N C E S;
REGEXP: R E G E X P;
REINDEX: R E I N D E X;
RELEASE: R E L E A S E;
RENAME: R E N A M E;
REPLACE: R E P L A C E;
RESTRICT: R E S T R I C T;
ROLLBACK: R O L L B A C K;
ROW: R O W;
SAVEPOINT: S A V E P O I N T;
SELECT: S E L E C T;
SET: S E T;
TABLE: T A B L E;
TEMPORARY: T E M P ( O R A R Y )?;
THEN: T H E N;
TO: T O;
TRANSACTION: T R A N S A C T I O N;
TRIGGER: T R I G G E R;
UNION: U N I O N;
UNIQUE: U N I Q U E;
UPDATE: U P D A T E;
USING: U S I N G;
VACUUM: V A C U U M;
VALUES: V A L U E S;
VIEW: V I E W;
VIRTUAL: V I R T U A L;
WHEN: W H E N;
WHERE: W H E R E;
TRUE: T R U E;
FALSE: F A L S E;
bool: (TRUE|FALSE);
fragment STRING_ESCAPE_SINGLE: (BACKSLASH QUOTE_SINGLE);
fragment STRING_ESCAPE_DOUBLE: (BACKSLASH QUOTE_DOUBLE);
fragment STRING_CORE: ~(QUOTE_SINGLE | QUOTE_DOUBLE);
fragment STRING_CORE_SINGLE: ( STRING_CORE | QUOTE_DOUBLE | STRING_ESCAPE_SINGLE )*;
fragment STRING_CORE_DOUBLE: ( STRING_CORE | QUOTE_SINGLE | STRING_ESCAPE_DOUBLE )*;
fragment STRING_SINGLE: (QUOTE_SINGLE STRING_CORE_SINGLE QUOTE_SINGLE);
fragment STRING_DOUBLE: (QUOTE_DOUBLE STRING_CORE_DOUBLE QUOTE_DOUBLE);
STRING: (STRING_SINGLE | STRING_DOUBLE);
fragment ID_START: ('a'..'z'|'A'..'Z'|UNDERSCORE);
fragment ID_CORE: (ID_START|'0'..'9'|DOLLAR);
fragment ID_PLAIN: ID_START (ID_CORE)*;
fragment ID_QUOTED_CORE: ~(APOSTROPHE | LPAREN_SQUARE | RPAREN_SQUARE);
fragment ID_QUOTED_CORE_SQUARE: (ID_QUOTED_CORE | APOSTROPHE)*;
fragment ID_QUOTED_CORE_APOSTROPHE: (ID_QUOTED_CORE | LPAREN_SQUARE | RPAREN_SQUARE)*;
fragment ID_QUOTED_SQUARE: (LPAREN_SQUARE ID_QUOTED_CORE_SQUARE RPAREN_SQUARE);
fragment ID_QUOTED_APOSTROPHE: (APOSTROPHE ID_QUOTED_CORE_APOSTROPHE APOSTROPHE);
fragment ID_QUOTED: ID_QUOTED_SQUARE | ID_QUOTED_APOSTROPHE;
ID: ID_PLAIN | ID_QUOTED;
//TCL_ID: ID_START (ID_START|'0'..'9'|'::')* (LPAREN ( options {greedy=false;} : . )* RPAREN)?;
INTEGER: ('0'..'9')+;
fragment FLOAT_EXP : ('e'|'E') ('+'|'-')? ('0'..'9')+ ;
FLOAT
: ('0'..'9')+ DOT ('0'..'9')* FLOAT_EXP?
| DOT ('0'..'9')+ FLOAT_EXP?
| ('0'..'9')+ FLOAT_EXP
;
BLOB: ('x'|'X') QUOTE_SINGLE ('0'..'9'|'a'..'f'|'A'..'F')+ QUOTE_SINGLE;
fragment COMMENT: '/*' ( options {greedy=false;} : . )* '*/';
fragment LINE_COMMENT: '--' ~('\n'|'\r')* ('\r'? '\n'|EOF);
WS: (' '|'\r'|'\t'|'\u000C'|'\n'|COMMENT|LINE_COMMENT) {$channel=HIDDEN;};