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f499b06243
* 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.
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/* File names and variables for bison,
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Copyright 1984, 1989, 2000, 2001 Free Software Foundation, Inc.
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This file is part of Bison, the GNU Compiler Compiler.
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Bison is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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Bison is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bison; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef FILES_H_
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# define FILES_H_
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/* File name specified with -o for the output file, or 0 if no -o. */
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extern char *spec_outfile;
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/* File name for the parser (i.e., the one above, or its default.) */
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extern char *parser_file_name;
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/* For -a. */
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extern const char *spec_name_prefix;
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/* File name pfx specified with -b, or 0 if no -b. */
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extern char *spec_file_prefix;
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/* --verbose. */
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extern char *spec_verbose_file;
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/* File name specified for the output VCG graph. */
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extern char *spec_graph_file;
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/* File name specified with --defines. */
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extern char *spec_defines_file;
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/* Read grammar specifications. */
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extern FILE *finput;
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/* Output all the action code; precise form depends on which parser. */
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extern struct obstack action_obstack;
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/* If semantic parser, output a .h file that defines YYSTYPE... */
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extern struct obstack attrs_obstack;
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/* ... and output yyguard, containing all the guard code. */
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extern struct obstack guard_obstack;
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/* The verbose output. */
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extern struct obstack output_obstack;
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extern char *infile;
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extern char *attrsfile;
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void compute_output_file_names PARAMS((void));
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FILE *xfopen PARAMS ((const char *name, const char *mode));
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int xfclose PARAMS ((FILE *ptr));
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/* Compute the double inclusion guard's name. */
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char *compute_header_macro PARAMS ((void));
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const char *skeleton_find PARAMS ((const char *envvar,
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const char *skeleton_name));
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#endif /* !FILES_H_ */
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