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When applying a template diff highlighting to a diagnostic message, remember 

to reapply the bold formatting when needed.

llvm-svn: 159386
This commit is contained in:
Richard Trieu 2012-06-28 22:39:03 +00:00
parent b97a4e8bc2
commit a71f0de454
1 changed files with 19 additions and 10 deletions
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29
clang/lib/Frontend/TextDiagnostic.cpp
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@ -41,15 +41,18 @@ static const enum raw_ostream::Colors savedColor =
/// \brief Add highlights to differences in template strings.
static void applyTemplateHighlighting(raw_ostream &OS, StringRef Str,
bool &Normal) {
bool &Normal, bool Bold) {
for (unsigned i = 0, e = Str.size(); i < e; ++i)
if (Str[i] != ToggleHighlight) {
OS << Str[i];
} else {
if (Normal)
OS.changeColor(templateColor, true);
else
else {
OS.resetColor();
if (Bold)
OS.changeColor(savedColor, true);
}
Normal = !Normal;
}
}
@ -586,6 +589,7 @@ static unsigned findEndOfWord(unsigned Start, StringRef Str,
/// \param Column the column number at which the first character of \p
/// Str will be printed. This will be non-zero when part of the first
/// line has already been printed.
/// \param Bold if the current text should be bold
/// \param Indentation the number of spaces to indent any lines beyond
/// the first line.
/// \returns true if word-wrapping was required, or false if the
@ -593,6 +597,7 @@ static unsigned findEndOfWord(unsigned Start, StringRef Str,
static bool printWordWrapped(raw_ostream &OS, StringRef Str,
unsigned Columns,
unsigned Column = 0,
bool Bold = false,
unsigned Indentation = WordWrapIndentation) {
const unsigned Length = std::min(Str.find('\n'), Str.size());
bool TextNormal = true;
@ -620,7 +625,7 @@ static bool printWordWrapped(raw_ostream &OS, StringRef Str,
Column += 1;
}
applyTemplateHighlighting(OS, Str.substr(WordStart, WordLength),
TextNormal);
TextNormal, Bold);
Column += WordLength;
continue;
}
@ -630,13 +635,13 @@ static bool printWordWrapped(raw_ostream &OS, StringRef Str,
OS << '\n';
OS.write(&IndentStr[0], Indentation);
applyTemplateHighlighting(OS, Str.substr(WordStart, WordLength),
TextNormal);
TextNormal, Bold);
Column = Indentation + WordLength;
Wrapped = true;
}
// Append any remaning text from the message with its existing formatting.
applyTemplateHighlighting(OS, Str.substr(Length), TextNormal);
applyTemplateHighlighting(OS, Str.substr(Length), TextNormal, Bold);
assert(TextNormal && "Text highlighted at end of diagnostic message.");
@ -708,21 +713,25 @@ TextDiagnostic::printDiagnosticMessage(raw_ostream &OS,
StringRef Message,
unsigned CurrentColumn, unsigned Columns,
bool ShowColors) {
bool Bold = false;
if (ShowColors) {
// Print warnings, errors and fatal errors in bold, no color
switch (Level) {
case DiagnosticsEngine::Warning: OS.changeColor(savedColor, true); break;
case DiagnosticsEngine::Error: OS.changeColor(savedColor, true); break;
case DiagnosticsEngine::Fatal: OS.changeColor(savedColor, true); break;
case DiagnosticsEngine::Warning:
case DiagnosticsEngine::Error:
case DiagnosticsEngine::Fatal:
OS.changeColor(savedColor, true);
Bold = true;
break;
default: break; //don't bold notes
}
}
if (Columns)
printWordWrapped(OS, Message, Columns, CurrentColumn);
printWordWrapped(OS, Message, Columns, CurrentColumn, Bold);
else {
bool Normal = true;
applyTemplateHighlighting(OS, Message, Normal);
applyTemplateHighlighting(OS, Message, Normal, Bold);
assert(Normal && "Formatting should have returned to normal");
}