X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/22735491a787756cfbfdb6b4e8124a882f0abd9a..f667a15aba5fcf07ed08e48e2bfdf0b62d76a3aa:/parser.h?ds=sidebyside

diff --git a/parser.h b/parser.h
index 9a61a52..74d8ef2 100644
--- a/parser.h
+++ b/parser.h
@@ -1,6 +1,6 @@
 /*    parser.h
  *
- *    Copyright (c) 2006 Larry Wall and others
+ *    Copyright (c) 2006, 2007, 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.
@@ -9,9 +9,12 @@
  * and lexer (perly.c, toke,c).
  */
 
+#define YYEMPTY		(-2)
+
 typedef struct {
     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 */
 #ifdef DEBUGGING
     const char  *name; /* token/rule name for -Dpv */
@@ -19,9 +22,12 @@ typedef struct {
 } yy_stack_frame;
 
 typedef struct yy_parser {
+
+    /* parser state */
+
     struct yy_parser *old_parser; /* previous value of PL_parser */
-    int		    yychar;	/* The lookahead symbol.  */
     YYSTYPE	    yylval;	/* value of lookahead symbol, set by yylex() */
+    int		    yychar;	/* The lookahead symbol.  */
 
     /* Number of tokens to shift before error messages enabled.  */
     int		    yyerrstatus;
@@ -30,6 +36,83 @@ typedef struct yy_parser {
     int		    yylen;	/* length of active reduction */
     yy_stack_frame  *stack;	/* base of stack */
     yy_stack_frame  *ps;	/* current stack frame */
+
+    /* lexer state */
+
+    I32		lex_brackets;	/* 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 */
+    U8		lex_defer;	/* state after determined token */
+    bool	lex_dojoin;	/* doing an array interpolation */
+    U8		lex_expect;	/* expect after determined token */
+    U8		expect;		/* how to interpret ambiguous tokens */
+    I32		lex_formbrack;	/* bracket count at outer format level */
+    OP		*lex_inpat;	/* in pattern $) and $| are special */
+    OP		*lex_op;	/* extra info to pass back on op */
+    SV		*lex_repl;	/* runtime replacement from s/// */
+    U16		lex_inwhat;	/* what kind of quoting are we in */
+    OPCODE	last_lop_op;	/* last list operator */
+    I32		lex_starts;	/* how many interps done on level */
+    SV		*lex_stuff;	/* runtime pattern from m// or s/// */
+    I32		multi_start;	/* 1st line of multi-line string */
+    I32		multi_end;	/* last line of multi-line string */
+    char	multi_open;	/* delimiter of said string */
+    char	multi_close;	/* delimiter of said string */
+    char	pending_ident;	/* pending identifier lookup */
+    bool	preambled;
+    /* XXX I32 space */
+    SUBLEXINFO	sublex_info;
+    SV		*linestr;	/* current chunk of src text */
+    char	*bufptr;	
+    char	*oldbufptr;	
+    char	*oldoldbufptr;	
+    char	*bufend;	
+    char	*linestart;	/* beginning of most recently read line */
+    char	*last_uni;	/* position of last named-unary op */
+    char	*last_lop;	/* position of last list operator */
+    line_t	copline;	/* current line number */
+    U16		in_my;		/* we're compiling a "my"/"our" declaration */
+    U8		lex_state;	/* next token is determined */
+    U8		error_count;	/* how many compile errors so far, max 10 */
+    HV		*in_my_stash;	/* declared class of this "my" declaration */
+    PerlIO	*rsfp;		/* current source file pointer */
+    AV		*rsfp_filters;	/* holds chain of active source filters */
+
+#ifdef PERL_MAD
+    SV		*endwhite;
+    I32		faketokens;
+    I32		lasttoke;
+    SV		*nextwhite;
+    I32		realtokenstart;
+    SV		*skipwhite;
+    SV		*thisclose;
+    MADPROP *	thismad;
+    SV		*thisopen;
+    SV		*thisstuff;
+    SV		*thistoken;
+    SV		*thiswhite;
+
+/* What we know when we're in LEX_KNOWNEXT state. */
+    NEXTTOKE	nexttoke[5];	/* value of next token, if any */
+    I32		curforce;
+#else
+    YYSTYPE	nextval[5];	/* value of next token, if any */
+    I32		nexttype[5];	/* type of next token */
+    I32		nexttoke;
+#endif
+
+    COP		*saved_curcop;	/* the previous PL_curcop */
+    char	tokenbuf[256];
+
 } yy_parser;
-    
 
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */