/* parser.h
*
- * Copyright (c) 2006, 2007, Larry Wall and others
+ * Copyright (c) 2006, 2007, 2009, 2010, 2011 Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
* This file defines the layout of the parser object used by the parser
- * and lexer (perly.c, toke,c).
+ * and lexer (perly.c, toke.c).
*/
#define YYEMPTY (-2)
YYSTYPE val; /* semantic value */
short state;
I32 savestack_ix; /* size of savestack at this state */
- AV *comppad; /* value of PL_comppad when this value was created */
+ CV *compcv; /* value of PL_compcv when this value was created */
#ifdef DEBUGGING
const char *name; /* token/rule name for -Dpv */
#endif
/* lexer state */
- I32 lex_brackets; /* bracket count */
+ I32 lex_brackets; /* square and curly bracket count */
I32 lex_casemods; /* casemod count */
char *lex_brackstack;/* what kind of brackets to pop */
char *lex_casestack; /* what kind of case mods in effect */
char multi_close; /* delimiter of said string */
char pending_ident; /* pending identifier lookup */
bool preambled;
- /* XXX I32 space */
+ I32 lex_allbrackets;/* (), [], {}, ?: bracket count */
SUBLEXINFO sublex_info;
SV *linestr; /* current chunk of src text */
char *bufptr;
COP *saved_curcop; /* the previous PL_curcop */
char tokenbuf[256];
+ U8 lex_fakeeof; /* precedence at which to fake EOF */
+ U8 lex_flags;
+ PERL_BITFIELD16 in_pod:1; /* lexer is within a =pod section */
+ PERL_BITFIELD16 filtered:1; /* source filters in evalbytes */
} yy_parser;
+/* flags for lexer API */
+#define LEX_STUFF_UTF8 0x00000001
+#define LEX_KEEP_PREVIOUS 0x00000002
+
+#ifdef PERL_CORE
+# define LEX_START_SAME_FILTER 0x00000001
+# define LEX_IGNORE_UTF8_HINTS 0x00000002
+# define LEX_EVALBYTES 0x00000004
+# define LEX_START_COPIED 0x00000008
+# define LEX_DONT_CLOSE_RSFP 0x00000010
+# define LEX_START_FLAGS \
+ (LEX_START_SAME_FILTER|LEX_START_COPIED \
+ |LEX_IGNORE_UTF8_HINTS|LEX_EVALBYTES|LEX_DONT_CLOSE_RSFP)
+#endif
+
+/* flags for parser API */
+#define PARSE_OPTIONAL 0x00000001
+
+/* values for lex_fakeeof */
+enum {
+ LEX_FAKEEOF_NEVER, /* don't fake EOF */
+ LEX_FAKEEOF_CLOSING, /* fake EOF at unmatched closing punctuation */
+ LEX_FAKEEOF_NONEXPR, /* ... and at token that can't be in expression */
+ LEX_FAKEEOF_LOWLOGIC, /* ... and at low-precedence logic operator */
+ LEX_FAKEEOF_COMMA, /* ... and at comma */
+ LEX_FAKEEOF_ASSIGN, /* ... and at assignment operator */
+ LEX_FAKEEOF_IFELSE, /* ... and at ?: operator */
+ LEX_FAKEEOF_RANGE, /* ... and at range operator */
+ LEX_FAKEEOF_LOGIC, /* ... and at logic operator */
+ LEX_FAKEEOF_BITWISE, /* ... and at bitwise operator */
+ LEX_FAKEEOF_COMPARE, /* ... and at comparison operator */
+ LEX_FAKEEOF_MAX
+};
+
/*
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
- * indent-tabs-mode: t
+ * indent-tabs-mode: nil
* End:
*
- * ex: set ts=8 sts=4 sw=4 noet:
+ * ex: set ts=8 sts=4 sw=4 et:
*/