malte_langkabel
57e708338b
* fixed potential crash when solving decls in lambda captures * fixed solving type of anonymous structs/classes in c code * added null checks in name resolvers
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
#include "data/parser/cxx/name_resolver/CxxTemplateArgumentNameResolver.h"
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#include <clang/AST/PrettyPrinter.h>
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#include <clang/AST/DeclTemplate.h>
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#include "data/parser/cxx/name_resolver/CxxTypeNameResolver.h"
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#include "utility/logging/logging.h"
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CxxTemplateArgumentNameResolver::CxxTemplateArgumentNameResolver()
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: CxxNameResolver(std::vector<const clang::Decl*>())
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{
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}
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CxxTemplateArgumentNameResolver::CxxTemplateArgumentNameResolver(std::vector<const clang::Decl*> ignoredContextDecls)
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: CxxNameResolver(ignoredContextDecls)
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{
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}
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CxxTemplateArgumentNameResolver::~CxxTemplateArgumentNameResolver()
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{
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}
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std::string CxxTemplateArgumentNameResolver::getTemplateArgumentName(const clang::TemplateArgument& argument)
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{
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// This doesn't work correctly if the template argument is dependent.
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// If that's required: build name from depth and index of template arg.
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const clang::TemplateArgument::ArgKind kind = argument.getKind();
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switch (kind)
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{
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case clang::TemplateArgument::Type:
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{
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CxxTypeNameResolver typeNameResolver(getIgnoredContextDecls());
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std::shared_ptr<CxxTypeName> typeName = typeNameResolver.getName(argument.getAsType());
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if (typeName)
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{
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return typeName->toString();
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}
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else
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{
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LOG_WARNING("Unable to solve name for template type argument");
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}
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break;
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}
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case clang::TemplateArgument::Integral:
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case clang::TemplateArgument::Null:
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case clang::TemplateArgument::Declaration:
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case clang::TemplateArgument::NullPtr:
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case clang::TemplateArgument::Template:
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case clang::TemplateArgument::TemplateExpansion: // handled correctly? template template parameter...
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case clang::TemplateArgument::Expression:
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{
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clang::PrintingPolicy pp = clang::PrintingPolicy(clang::LangOptions());
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pp.SuppressTagKeyword = true; // value "true": for a class A it prints "A" instead of "class A"
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pp.Bool = true; // value "true": prints bool type as "bool" instead of "_Bool"
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std::string buf;
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llvm::raw_string_ostream os(buf);
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argument.print(pp, os);
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const std::string typeName = os.str();
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return typeName;
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}
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case clang::TemplateArgument::Pack:
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{
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std::string typeName = "<";
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argument.getPackAsArray();
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llvm::ArrayRef<clang::TemplateArgument> pack = argument.getPackAsArray();
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for (size_t i = 0; i < pack.size(); i++)
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{
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typeName += getTemplateArgumentName(pack[i]);
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if (i < pack.size() - 1)
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{
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typeName += ", ";
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}
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}
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typeName += ">";
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return typeName;
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}
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}
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return "";
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}
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