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Fix error reporter for zero-length location.

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This commit is contained in:
chriseth 2020-09-30 22:12:02 +02:00
parent 2d9479b06c
commit c4d8b4fa0e
1 changed files with 6 additions and 2 deletions
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8
liblangutil/SourceReferenceFormatterHuman.cpp
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@ -105,7 +105,7 @@ void SourceReferenceFormatterHuman::printSourceLocation(SourceReference const& _
if (!_ref.multiline) if (!_ref.multiline)
{ {
auto const locationLength = static_cast<size_t>(_ref.endColumn - _ref.startColumn); size_t const locationLength = static_cast<size_t>(_ref.endColumn - _ref.startColumn);
// line 1: // line 1:
m_stream << leftpad << ' '; m_stream << leftpad << ' ';
@ -124,7 +124,11 @@ void SourceReferenceFormatterHuman::printSourceLocation(SourceReference const& _
frameColored() << '|'; frameColored() << '|';
m_stream << ' ' << replaceNonTabs(text.substr(0, static_cast<size_t>(_ref.startColumn)), ' '); m_stream << ' ' << replaceNonTabs(text.substr(0, static_cast<size_t>(_ref.startColumn)), ' ');
diagColored() << replaceNonTabs(text.substr(static_cast<size_t>(_ref.startColumn), locationLength), '^'); diagColored() << (
locationLength == 0 ?
"^" :
replaceNonTabs(text.substr(static_cast<size_t>(_ref.startColumn), locationLength), '^')
);
m_stream << '\n'; m_stream << '\n';
} }
else else