X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/670a9cb260d5f37076650f3eb5aa6c305796b0f7..62b3b855a6b9268ee171e2c384362d719ea21537:/parser.h

diff --git a/parser.h b/parser.h
index 7e42c80..3531631 100644
--- a/parser.h
+++ b/parser.h
@@ -14,7 +14,8 @@
 typedef struct {
     YYSTYPE val;    /* semantic value */
     short   state;
-    AV	    *comppad; /* value of PL_comppad when this value was created */
+    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
@@ -38,7 +39,7 @@ typedef struct yy_parser {
 
     /* 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 */
@@ -60,7 +61,7 @@ typedef struct yy_parser {
     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;	
@@ -73,7 +74,7 @@ typedef struct yy_parser {
     line_t	copline;	/* current line number */
     U16		in_my;		/* we're compiling a "my"/"our" declaration */
     U8		lex_state;	/* next token is determined */
-    /* space for a U8 here */
+    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 */
@@ -104,6 +105,51 @@ typedef struct yy_parser {
     COP		*saved_curcop;	/* the previous PL_curcop */
     char	tokenbuf[256];
 
+    U8		lex_fakeeof;	/* precedence at which to fake EOF */
+    PERL_BITFIELD16	lex_flags:14;
+    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_START_FLAGS \
+	(LEX_START_SAME_FILTER|LEX_START_COPIED \
+	|LEX_IGNORE_UTF8_HINTS|LEX_EVALBYTES)
+#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
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */