Upgrade to ExtUtils::CBuilder 0.21

[perl5.git] / parser.h

diff --git a/parser.h b/parser.h
index 89d1c6c..3cb3135 100644 (file)
--- 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.
@@ -14,6 +14,7 @@
 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 */
@@ -21,9 +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;
@@ -32,6 +36,75 @@ 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;