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cex: bind counterexample generation

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* src/complain.h, src/complain.c: Add support for -Wcounterexample.
* src/conflicts.c (report_counterexamples): New.
(rule_conflicts_print): Use it when -Wcounterexample is given.
* src/getargs.h, src/getargs.c: Add support for --trace=cex.
* src/main.c (main): Init and deinit counterexample generation.
This commit is contained in:
Vincent Imbimbo
2020-05-12 22:01:08 -04:00
committed by Akim Demaille
parent bbb63b1ca9
commit af0441cfd2
7 changed files with 91 additions and 1 deletions
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4
src/complain.h
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@@ -46,6 +46,7 @@ typedef enum
{
warning_conflicts_rr,
warning_conflicts_sr,
warning_counterexample,
warning_dangling_alias,
warning_deprecated,
warning_empty_rule,
@@ -106,6 +107,7 @@ typedef enum
Wconflicts_rr = 1 << warning_conflicts_rr,
Wconflicts_sr = 1 << warning_conflicts_sr,
Wcounterexample = 1 << warning_counterexample,
Wdangling_alias = 1 << warning_dangling_alias,
Wdeprecated = 1 << warning_deprecated,
Wempty_rule = 1 << warning_empty_rule,
@@ -122,7 +124,7 @@ typedef enum
/**< All above warnings. */
Weverything = ~complaint & ~fatal & ~silent,
Wall = Weverything & ~Wdangling_alias & ~Wyacc
Wall = Weverything & ~Wcounterexample & ~Wdangling_alias & ~Wyacc
} warnings;
/** Whether the warnings of \a flags are all unset.