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diagnostics: suggest fixes for undeclared symbols

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From

    input.y:1.17-19: warning: symbol baz is used, but is not defined as a token and has no rules [-Wother]
         1 | %printer {} foo baz
           |                 ^~~

to

    input.y:1.17-19: warning: symbol 'baz' is used, but is not defined as a token and has no rules; did you mean 'bar'? [-Wother]
        1 | %printer {} foo baz
          |                 ^~~
          |                 bar

* bootstrap.conf: We need fstrcmp.
* src/symtab.c (symbol_from_uniqstr_fuzzy): New.
(complain_symbol_undeclared): Use it.
* tests/diagnostics.at (Suggestions): New.
* data/bison-default.css (insertion): Rename as...
(fixit-insert): this, as this is what GCC uses.
This commit is contained in:
Akim Demaille
2019-09-27 18:28:19 +02:00
parent 126c4622de
commit be3cf406af
8 changed files with 95 additions and 17 deletions
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3
data/bison-default.css
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@@ -21,7 +21,8 @@
.warning { color: purple; }
.error { color: red; }
.note { color: cyan; }
.insertion { color: green; }
.fixit-insert { color: green; }
/* Semantic values in Bison's own parser traces. */
.value { color: green; }