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* src/gram.h (rule_t): guard' and guard_line' are new members.

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* src/reader.c (symbol_list): `guard' and `guard_line' are new
members.
(symbol_list_new): Adjust.
(copy_action): action_line is the first line, not the last.
(copy_guard): Just as for actions, store the `action' only, not
the switch/case/break flesh.
Don't parse the user action that might follow the guard, let...
(readgram): do it, i.e., now, there can be an action after a
guard.
In other words the guard is just explicitly optional.
(packgram): Adjust.
* src/output.c (guards_output): New.
(output_parser): Call it when needed.
(output): Also free the guard and attrs obstacks.
* src/files.c, src/files.h (obstack_save): Remove.
(output_files): Remove.
As a result, if one needs the former `.act' file, using an
appropriate skeleton which requires actions and guards is now
required.
* src/main.c (main): Adjust.
* tests/semantic.at: New.
* tests/regression.at: Use `input.y' as input file name.
Avoid 8+3 problems by requiring input.c when the test needs the
parser.
This commit is contained in:
Akim Demaille
2001-12-27 18:06:06 +00:00
parent d945f5cd8e
commit f499b06243
11 changed files with 147 additions and 83 deletions
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3
src/files.h
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@@ -62,13 +62,12 @@ extern char *infile;
extern char *attrsfile;
void compute_output_file_names PARAMS((void));
void output_files PARAMS((void));
FILE *xfopen PARAMS ((const char *name, const char *mode));
int xfclose PARAMS ((FILE *ptr));
/* Compute the double inclusion guard's name. */
char * compute_header_macro PARAMS ((void));
char *compute_header_macro PARAMS ((void));
const char *skeleton_find PARAMS ((const char *envvar,
const char *skeleton_name));