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Handle multi-byte bracket sequences in Ada lexer

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As noted in an earlier patch, the Ada lexer does not handle multi-byte
bracket sequences.  This patch adds support for these for character
literals.  gdb does not generally seem to handle the Ada wide string
types, so for the time being these continue to be excluded -- but an
explicit error is added to make this more clear.
This commit is contained in:
Tom Tromey 2022-01-26 07:11:18 -07:00
parent a7041de85a
commit c9f66f0005
6 changed files with 52 additions and 21 deletions
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6
gdb/ada-valprint.c
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@ -277,7 +277,11 @@ ada_emit_char (int c, struct type *type, struct ui_file *stream,
fprintf_filtered (stream, "%c", c);
}
else
fprintf_filtered (stream, "[\"%0*x\"]", type_len * 2, c);
{
/* Follow GNAT's lead here and only use 6 digits for
wide_wide_character. */
fprintf_filtered (stream, "[\"%0*x\"]", std::min (6, type_len * 2), c);
}
}
/* Character #I of STRING, given that TYPE_LEN is the size in bytes