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Diffstat (limited to 'Master/tlpkg/tlperl/lib/CORE/parser.h')
-rw-r--r--Master/tlpkg/tlperl/lib/CORE/parser.h35
1 files changed, 27 insertions, 8 deletions
diff --git a/Master/tlpkg/tlperl/lib/CORE/parser.h b/Master/tlpkg/tlperl/lib/CORE/parser.h
index 1e9c71d3ce8..e7b887ec3b4 100644
--- a/Master/tlpkg/tlperl/lib/CORE/parser.h
+++ b/Master/tlpkg/tlperl/lib/CORE/parser.h
@@ -21,6 +21,17 @@ typedef struct {
#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 */
+ line_t herelines; /* number of lines in here-doc */
+} LEXSHARED;
+
typedef struct yy_parser {
/* parser state */
@@ -52,32 +63,40 @@ typedef struct yy_parser {
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 */
+ 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 */
- char pending_ident; /* pending identifier lookup */
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;
- char *oldbufptr;
- char *oldoldbufptr;
+ 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 */
- line_t copline; /* current line number */
+ /* 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 */
#ifdef PERL_MAD
SV *endwhite;
@@ -149,8 +168,8 @@ enum {
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
- * indent-tabs-mode: t
+ * indent-tabs-mode: nil
* End:
*
- * ex: set ts=8 sts=4 sw=4 noet:
+ * ex: set ts=8 sts=4 sw=4 et:
*/