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Add escaping for some float typedefs #656

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Merged
merged 1 commit into from
Nov 23, 2023
Merged

Add escaping for some float typedefs #656

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21 changes: 20 additions & 1 deletion server/src/clang-utils/SourceToHeaderMatchCallback.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -382,6 +382,13 @@ std::string SourceToHeaderMatchCallback::decorate(std::string_view name) const {
return forStubHeader ? std::string(name) : NameDecorator::decorate(name);
}

const std::string GNUPREREQ = "!__GNUC_PREREQ (7, 0) || defined __cplusplus";
const std::set<std::string> TypedefEscapeMap = {
"_Float32",
"_Float64",
"_Float32x",
"_Float64x"
};

void SourceToHeaderMatchCallback::print(const NamedDecl *decl, const PrintingPolicy &policy) const {
if (externalStream == nullptr) {
Expand All @@ -394,8 +401,20 @@ void SourceToHeaderMatchCallback::print(const NamedDecl *decl, const PrintingPol
}
auto name = decl->getNameAsString();
auto decoratedName = decorate(name);
const auto it = TypedefEscapeMap.find(name);
auto declaration = getRenamedDeclarationAsString(decl, policy, decoratedName);
*externalStream << declaration << ";\n";
if (it != TypedefEscapeMap.end()) {
*externalStream << "#ifdef __GNUC__\n"
<< "# include <features.h>\n"
<< "# if " << GNUPREREQ << "\n"
<< declaration << ";\n"
<< "# endif" << "\n"
<< "#else" << "\n"
<< declaration << ";\n"
<< "#endif" << "\n";
} else {
*externalStream << declaration << ";\n";
}
if (pAlignmentAttr) {
*externalStream << "#pragma pack(pop)\n";
}
Expand Down