X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=parser.h;h=3cb31355fa623a9dc7a53d26a7c232d05260a5b8;hb=5a176cbce82d0ae2fd8e94d132259dfb733ef939;hp=51bcf88ccf34ccdb23bbf48cd9d68bfc247c4df8;hpb=5912531faf421dc0ccf67f600667fb8051dc62a5;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/parser.h b/parser.h
index 51bcf88..3cb3135 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.
@@ -9,26 +9,102 @@
  * 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 */
 #endif
 } yy_stack_frame;
 
-typedef struct {
-    int		    yychar;	/* The lookahead symbol.  */
+typedef struct yy_parser {
+
+    /* parser state */
+
+    struct yy_parser *old_parser; /* previous value of PL_parser */
     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;
 
     int		    stack_size;
     int		    yylen;	/* length of active reduction */
+    yy_stack_frame  *stack;	/* base of stack */
     yy_stack_frame  *ps;	/* current stack frame */
-    yy_stack_frame  stack[1];	/* will actually be as many as needed */
+
+    /* 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;