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diagnostics: modernize the display of submessages

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Since Bison 2.7, output was indented four spaces for explanatory
statements.  For example:

    input.y:2.7-13: error: %type redeclaration for exp
    input.y:1.7-11:     previous declaration

Since the introduction of caret-diagnostics, it became less clear.
Remove the indentation and display submessages as in GCC:

    input.y:2.7-13: error: %type redeclaration for exp
        2 | %type <float> exp
          |       ^~~~~~~
    input.y:1.7-11: note: previous declaration
        1 | %type <int> exp
          |       ^~~~~

* src/complain.h (SUB_INDENT): Remove.
(warnings): Add "note" to the enum.
* src/complain.h, src/complain.c (complain_indent): Replace by...
(subcomplain): this.
Adjust all dependencies.
* tests/actions.at, tests/diagnostics.at, tests/glr-regression.at,
* tests/input.at, tests/named-refs.at, tests/regression.at:
Adjust expectations.
This commit is contained in:
Victor Morales Cayuela
2020-02-14 18:41:55 +01:00
committed by Akim Demaille
parent a09d0ae4d1
commit e09a72eeb0
16 changed files with 284 additions and 364 deletions
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11
src/scan-skel.l
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@@ -189,7 +189,7 @@ flag (const char *arg)
else if (STREQ (arg, "fatal"))
return fatal;
else if (STREQ (arg, "note"))
return silent | complaint | no_caret;
return silent | complaint | no_caret | note;
else if (STREQ (arg, "warn"))
return Wother;
else
@@ -225,14 +225,7 @@ at_complain (int argc, char *argv[], char **out_namep, int *out_linenop)
boundary_set_from_string (&loc.end, argv[3]);
locp = &loc;
}
static int indent;
if (w & silent)
indent += SUB_INDENT;
else
indent = 0;
complain_args (locp, w, &indent, argc - 4, argv + 4);
if (w & silent)
indent -= SUB_INDENT;
complain_args (locp, w, argc - 4, argv + 4);
}
static void