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This just tests that it works, so it catches the previous bug. Not sure
how to test this more thoroughly.
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This adds a similar wrapper to the Lex wrapper for yacc/bison/byacc. The
interface is equivalent.
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This module is a bit of a dumping ground for code generators,
particularly ones that are important and non-trivial to wrap, either due
to multiple implementations, major command line changes, or complex
outputs (such as those that may output a directory structure).
The initially provided method is for lex. It provides a simple wrapper
that handles win_flex, reflex, flex, and generic lex.
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With C23 (as upcoming GCC 15 will default to), `void yyerror()` is
the same as `void yyerror(void)`, i.e. `yyerror` takes no arguments.
Fix the prototype given we *do* call it with an error string:
```
pgen.p/parser.tab.c: In function ‘yyparse’:
pgen.p/parser.tab.c:1104:7: error: too many arguments to function ‘yyerror’
1104 | yyerror (YY_("syntax error"));
| ^~~~~~~
../test cases/frameworks/8 flex/parser.y:3:12: note: declared here
3 | extern int yyerror();
| ^~~~~~~
pgen.p/parser.tab.c:1215:3: error: too many arguments to function ‘yyerror’
1215 | yyerror (YY_("memory exhausted"));
| ^~~~~~~
../test cases/frameworks/8 flex/parser.y:3:12: note: declared here
3 | extern int yyerror();
| ^~~~~~~
```
Bug: https://bugs.gentoo.org/946625
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expect_skip_on_os
The test.json format currently has three keys related to skipping tests:
* `skip_on_jobname`
* `skip_on_os`
* `skip_on_env`
While `skip_on_env` marks the test itself as skipped, i.e. they don't get run when the
conditions are met, the other two skip options are just marking the test as "expected to be skipped"
if the conditions apply, i.e. they want to see `MESON_SKIP_TEST` in the output and things will
fail if that doesn't happen. They don't actually skip the tests as the names imply.
To make this clearer rename the keys:
* `skip_on_jobname` -> `expect_skip_on_jobname`
* `skip_on_os` -> `expect_skip_on_os`
`skip_on_env` stays the same, since that actually skips.
The docs were also confused about this, so adjust that too.
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and clean up all outstanding issues
Skip 'test cases/common/141 special characters/meson.build' since it
intentionally uses trailing newlines.
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This adds the noyywrap option so flex doesn't wait for more input once
we reached EOF. This also adds the nounput and noinput options to fix
compilation warnings.
We can now run the test as expected.
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Some compilers don't have explicit errors for undefined functions
enabled by default. Apple clang seems to.
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Old versions of bison (including the one shipped with macOS) do not
prototype yyparse(), just in case you are using a K&R compiler...
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