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graph: prefer *.gv to *.dot

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Reported by Hans Åberg.
https://lists.gnu.org/archive/html/help-bison/2019-02/msg00064.html

* src/files.c (spec_graph_file): Use `*.gv` when 3.4 or better,
otherwise `*.dot`.
* src/parse-gram.y (handle_require): Pretend we are already 3.4.
* doc/bison.texi: Adjust.
* tests/local.at, tests/output.at: Exercise this.
This commit is contained in:
Akim Demaille
2019-02-19 18:16:02 +01:00
parent 98020cedf7
commit bd55d43333
8 changed files with 42 additions and 28 deletions
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3
src/files.c
View File

@@ -342,7 +342,8 @@ compute_output_file_names (void)
if (graph_flag)
{
if (! spec_graph_file)
spec_graph_file = concat2 (all_but_tab_ext, ".dot");
spec_graph_file = concat2 (all_but_tab_ext,
304 <= required_version ? ".gv" : ".dot");
output_file_name_check (&spec_graph_file, false);
}

7
src/parse-gram.c
View File

@@ -3463,10 +3463,9 @@ handle_require (location const *loc, char const *version)
return;
}
required_version = major * 100 + minor;
/* Pretend to be at least 3.2, even if we are only 3.1-211, as it
allows us to check features published in 3.2 while developping
3.2. */
const char* api_version = "3.2";
/* Pretend to be at least 3.4, to check features published in 3.4
while developping it. */
const char* api_version = "3.4";
const char* package_version =
strverscmp (api_version, PACKAGE_VERSION) > 0
? api_version : PACKAGE_VERSION;

7
src/parse-gram.y
View File

@@ -958,10 +958,9 @@ handle_require (location const *loc, char const *version)
return;
}
required_version = major * 100 + minor;
/* Pretend to be at least 3.2, even if we are only 3.1-211, as it
allows us to check features published in 3.2 while developping
3.2. */
const char* api_version = "3.2";
/* Pretend to be at least 3.4, to check features published in 3.4
while developping it. */
const char* api_version = "3.4";
const char* package_version =
strverscmp (api_version, PACKAGE_VERSION) > 0
? api_version : PACKAGE_VERSION;