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/*-------------------------------------------------------------------------
*
* gramparse.h
* Declarations for routines exported from lexer and parser files.
*
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/gramparse.h,v 1.31.6.1 2006/05/21 20:11:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef GRAMPARSE_H
#define GRAMPARSE_H
#include "nodes/parsenodes.h"
typedef enum
{
BACKSLASH_QUOTE_OFF,
BACKSLASH_QUOTE_ON,
BACKSLASH_QUOTE_SAFE_ENCODING
} BackslashQuoteType;
/* GUC variables in scan.l (every one of these is a bad idea :-() */
extern BackslashQuoteType backslash_quote;
extern bool escape_string_warning;
/* from parser.c */
extern int yylex(void);
/* from scan.l */
extern void scanner_init(const char *str);
extern void scanner_finish(void);
extern int base_yylex(void);
extern void yyerror(const char *message);
/* from gram.y */
extern void parser_init(void);
extern int yyparse(void);
extern List *SystemFuncName(char *name);
extern TypeName *SystemTypeName(char *name);
extern bool exprIsNullConstant(Node *arg);
#endif /* GRAMPARSE_H */
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