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Clang: Support MSVC style of compiler flags

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Clang has MSVC compatible mode which works with MSVC style command line
flags.

When possible use the same flags (-I, -D, -U, etc.) and in other cases
either replace by MSVC analog (for example use /FI instead of -include)
or pass the argument with '/clang:' prefix (requires
https://reviews.llvm.org/D53457).

Change-Id: I95f33bed5dc8d9493895ed8d4359cdd70fc774b8
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
This commit is contained in:
Ivan Donchevskii
2019-01-11 15:32:12 +01:00
parent 4c0c3f5a64
commit 0348009e0e
8 changed files with 467 additions and 209 deletions
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50
src/plugins/clangcodemodel/clangeditordocumentprocessor.cpp
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@@ -453,7 +453,11 @@ public:
FileOptionsBuilder(const QString &filePath, CppTools::ProjectPart &projectPart)
: m_filePath(filePath)
, m_projectPart(projectPart)
, m_builder(projectPart)
{
// Determine the driver mode from toolchain and flags.
m_builder.evaluateCompilerFlags();
addLanguageOptions();
addGlobalDiagnosticOptions(); // Before addDiagnosticOptions() so users still can overwrite.
addDiagnosticOptions();
@@ -475,10 +479,10 @@ private:
: CppTools::ProjectFile::CXXHeader;
}
CppTools::CompilerOptionsBuilder builder(m_projectPart);
builder.updateFileLanguage(fileKind);
m_builder.reset();
m_builder.updateFileLanguage(fileKind);
m_options.append(builder.options());
m_options.append(m_builder.options());
}
void addDiagnosticOptions()
@@ -508,16 +512,6 @@ private:
addClazyOptions(diagnosticConfig.clazyChecks());
}
void addXclangArg(const QString &argName, const QString &argValue = QString())
{
m_options.append("-Xclang");
m_options.append(argName);
if (!argValue.isEmpty()) {
m_options.append("-Xclang");
m_options.append(argValue);
}
}
void addClangTidyOptions(const CppTools::ClangDiagnosticConfig &diagnosticConfig)
{
using Mode = CppTools::ClangDiagnosticConfig::TidyMode;
@@ -525,14 +519,14 @@ private:
if (tidyMode == Mode::Disabled)
return;
addXclangArg("-add-plugin", "clang-tidy");
m_options.append(CppTools::XclangArgs({"-add-plugin", "clang-tidy"}));
if (tidyMode == Mode::File)
return;
const QString checks = diagnosticConfig.clangTidyChecks();
if (!checks.isEmpty())
addXclangArg("-plugin-arg-clang-tidy", "-checks=" + checks);
m_options.append(CppTools::XclangArgs({"-plugin-arg-clang-tidy", "-checks=" + checks}));
}
void addClazyOptions(const QString &checks)
@@ -540,15 +534,16 @@ private:
if (checks.isEmpty())
return;
addXclangArg("-add-plugin", "clang-lazy");
addXclangArg("-plugin-arg-clang-lazy", "enable-all-fixits");
addXclangArg("-plugin-arg-clang-lazy", "no-autowrite-fixits");
addXclangArg("-plugin-arg-clang-lazy", checks);
// NOTE: we already use -isystem for all include paths to make libclang skip diagnostics for
// all of them. That means that ignore-included-files will not change anything unless we decide
// to return the original -I prefix for some include paths.
addXclangArg("-plugin-arg-clang-lazy", "ignore-included-files");
m_options.append(CppTools::XclangArgs({"-add-plugin",
"clang-lazy",
"-plugin-arg-clang-lazy",
"enable-all-fixits",
"-plugin-arg-clang-lazy",
"no-autowrite-fixits",
"-plugin-arg-clang-lazy",
checks,
"-plugin-arg-clang-lazy",
"ignore-included-files"}));
}
void addGlobalDiagnosticOptions()
@@ -574,10 +569,10 @@ private:
if (m_projectPart.precompiledHeaders.contains(m_filePath))
return;
CompilerOptionsBuilder builder(m_projectPart);
builder.addPrecompiledHeaderOptions(UsePrecompiledHeaders::Yes);
m_builder.reset();
m_builder.addPrecompiledHeaderOptions(UsePrecompiledHeaders::Yes);
m_options.append(builder.options());
m_options.append(m_builder.options());
}
private:
@@ -585,6 +580,7 @@ private:
const CppTools::ProjectPart &m_projectPart;
Core::Id m_diagnosticConfigId;
CppTools::CompilerOptionsBuilder m_builder;
QStringList m_options;
};
} // namespace