--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perl-5.22.2/parser.h	Sat May 14 14:54:38 2016 +0000
@@ -0,0 +1,153 @@
+/*    parser.h
+ *
+ *    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).
+ */
+
+#define YYEMPTY		(-2)
+
+typedef struct {
+    YYSTYPE val;    /* semantic value */
+    short   state;
+    I32     savestack_ix;	/* size of savestack at this state */
+    CV	    *compcv; /* value of PL_compcv when this value was created */
+#ifdef DEBUGGING
+    const char  *name; /* token/rule name for -Dpv */
+#endif
+} yy_stack_frame;
+
+/* Fields that need to be shared with (i.e., visible to) inner lex-
+   ing scopes. */
+typedef struct yy_lexshared {
+    struct yy_lexshared	*ls_prev;
+    SV			*ls_linestr;	/* mirrors PL_parser->linestr */
+    char		*ls_bufptr;	/* mirrors PL_parser->bufptr */
+    char		*re_eval_start;	/* start of "(?{..." text */
+    SV			*re_eval_str;	/* "(?{...})" text */
+} LEXSHARED;
+
+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 */
+
+    /* lexer state */
+
+    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 */
+    U8		lex_defer;	/* state after determined token */
+    U8		lex_dojoin;	/* doing an array interpolation
+				   1 = @{...}  2 = ->@ */
+    U8		lex_expect;	/* UNUSED */
+    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 named list or unary 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 */
+    bool	preambled;
+    bool        lex_re_reparsing; /* we're doing G_RE_REPARSING */
+    I32		lex_allbrackets;/* (), [], {}, ?: bracket count */
+    SUBLEXINFO	sublex_info;
+    LEXSHARED	*lex_shared;
+    SV		*linestr;	/* current chunk of src text */
+    char	*bufptr;	/* carries the cursor (current parsing
+				   position) from one invocation of yylex
+				   to the next */
+    char	*oldbufptr;	/* in yylex, beginning of current token */
+    char	*oldoldbufptr;	/* in yylex, beginning of previous token */
+    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 */
+    /* copline is used to pass a specific line number to newSTATEOP.  It
+       is a one-time line number, as newSTATEOP invalidates it (sets it to
+       NOLINE) after using it.  The purpose of this is to report line num-
+       bers in multiline constructs using the number of the first line. */
+    line_t	copline;
+    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 */
+    U8		form_lex_state;	/* remember lex_state when parsing fmt */
+
+    YYSTYPE	nextval[5];	/* value of next token, if any */
+    I32		nexttype[5];	/* type of next token */
+    U32		nexttoke;
+
+    COP		*saved_curcop;	/* the previous PL_curcop */
+    char	tokenbuf[256];
+    line_t	herelines;	/* number of lines in here-doc */
+    line_t	preambling;	/* line # when processing $ENV{PERL5DB} */
+    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 */
+    PERL_BITFIELD16	saw_infix_sigil:1; /* saw & or * or % operator */
+    PERL_BITFIELD16	parsed_sub:1;  /* last thing parsed was a sub */
+} 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
+};
+
+/*
+ * ex: set ts=8 sts=4 sw=4 et:
+ */