GIF89a;
EcchiShell v1.0
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IDENT FCONST SCONST BCONST XCONST Op
* %token ICONST PARAM
* %token TYPECAST DOT_DOT COLON_EQUALS
* The above token definitions *must* be the first ones declared in any
* bison parser built atop this scanner, so that they will have consistent
* numbers assigned to them (specifically, IDENT = 258 and so on).
*/
/*
* The YY_EXTRA data that a flex scanner allows us to pass around.
* Private state needed by the core scanner goes here. Note that the actual
* yy_extra struct may be larger and have this as its first component, thus
* allowing the calling parser to keep some fields of its own in YY_EXTRA.
*/
typedef struct core_yy_extra_type
{
/*
* The string the scanner is physically scanning. We keep this mainly so
* that we can cheaply compute the offset of the current token (yytext).
*/
char *scanbuf;
Size scanbuflen;
/*
* The keyword list to use.
*/
const ScanKeyword *keywords;
int num_keywords;
/*
* literalbuf is used to accumulate literal values when multiple rules are
* needed to parse a single literal. Call startlit() to reset buffer to
* empty, addlit() to add text. NOTE: the string in literalbuf is NOT
* necessarily null-terminated, but there always IS room to add a trailing
* null at offset literallen. We store a null only when we need it.
*/
char *literalbuf; /* palloc'd expandable buffer */
int literallen; /* actual current string length */
int literalalloc; /* current allocated buffer size */
int xcdepth; /* depth of nesting in slash-star comments */
char *dolqstart; /* current $foo$ quote start string */
/* first part of UTF16 surrogate pair for Unicode escapes */
int32 utf16_first_part;
/* state variables for literal-lexing warnings */
bool warn_on_first_escape;
bool saw_non_ascii;
} core_yy_extra_type;
/*
* The type of yyscanner is opaque outside scan.l.
*/
typedef void *core_yyscan_t;
/* Entry points in parser/scan.l */
extern core_yyscan_t scanner_init(const char *str,
core_yy_extra_type *yyext,
const ScanKeyword *keywords,
int num_keywords);
extern void scanner_finish(core_yyscan_t yyscanner);
extern int core_yylex(core_YYSTYPE *lvalp, YYLTYPE *llocp,
core_yyscan_t yyscanner);
extern int scanner_errposition(int location, core_yyscan_t yyscanner);
extern void scanner_yyerror(const char *message, core_yyscan_t yyscanner);
#endif /* SCANNER_H */