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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gn/source_file.h"
#include "base/logging.h"
#include "gn/filesystem_utils.h"
#include "gn/source_dir.h"
#include "util/build_config.h"
namespace {
void AssertValueSourceFileString(const std::string& s) {
#if defined(OS_WIN)
DCHECK(s[0] == '/' ||
(s.size() > 2 && s[0] != '/' && s[1] == ':' && IsSlash(s[2])));
#else
DCHECK(s[0] == '/');
#endif
DCHECK(!EndsWithSlash(s)) << s;
}
SourceFile::Type GetSourceFileType(const std::string& file) {
std::string_view extension = FindExtension(&file);
if (extension == "cc" || extension == "cpp" || extension == "cxx" ||
extension == "c++")
return SourceFile::SOURCE_CPP;
if (extension == "h" || extension == "hpp" || extension == "hxx" ||
extension == "hh" || extension == "inc" || extension == "ipp" ||
extension == "inl")
return SourceFile::SOURCE_H;
if (extension == "c")
return SourceFile::SOURCE_C;
if (extension == "m")
return SourceFile::SOURCE_M;
if (extension == "mm")
return SourceFile::SOURCE_MM;
if (extension == "modulemap")
return SourceFile::SOURCE_MODULEMAP;
if (extension == "rc")
return SourceFile::SOURCE_RC;
if (extension == "S" || extension == "s" || extension == "asm")
return SourceFile::SOURCE_S;
if (extension == "o" || extension == "obj")
return SourceFile::SOURCE_O;
if (extension == "def")
return SourceFile::SOURCE_DEF;
if (extension == "rs")
return SourceFile::SOURCE_RS;
if (extension == "go")
return SourceFile::SOURCE_GO;
if (extension == "swift")
return SourceFile::SOURCE_SWIFT;
if (extension == "swiftmodule")
return SourceFile::SOURCE_SWIFTMODULE;
return SourceFile::SOURCE_UNKNOWN;
}
std::string Normalized(std::string value) {
DCHECK(!value.empty());
AssertValueSourceFileString(value);
NormalizePath(&value);
return value;
}
} // namespace
SourceFile::SourceFile(const std::string& value)
: SourceFile(StringAtom(Normalized(value))) {}
SourceFile::SourceFile(std::string&& value)
: SourceFile(StringAtom(Normalized(std::move(value)))) {}
SourceFile::SourceFile(StringAtom value) : value_(value) {
type_ = GetSourceFileType(value_.str());
}
std::string SourceFile::GetName() const {
if (is_null())
return std::string();
const std::string& value = value_.str();
DCHECK(value.find('/') != std::string::npos);
size_t last_slash = value.rfind('/');
return std::string(&value[last_slash + 1], value.size() - last_slash - 1);
}
SourceDir SourceFile::GetDir() const {
if (is_null())
return SourceDir();
const std::string& value = value_.str();
DCHECK(value.find('/') != std::string::npos);
size_t last_slash = value.rfind('/');
return SourceDir(value.substr(0, last_slash + 1));
}
base::FilePath SourceFile::Resolve(const base::FilePath& source_root) const {
return ResolvePath(value_.str(), true, source_root);
}
void SourceFile::SetValue(const std::string& value) {
value_ = StringAtom(value);
type_ = GetSourceFileType(value);
}
SourceFileTypeSet::SourceFileTypeSet() : empty_(true) {
memset(flags_, 0,
sizeof(bool) * static_cast<int>(SourceFile::SOURCE_NUMTYPES));
}
bool SourceFileTypeSet::CSourceUsed() const {
return empty_ || Get(SourceFile::SOURCE_CPP) ||
Get(SourceFile::SOURCE_MODULEMAP) || Get(SourceFile::SOURCE_H) ||
Get(SourceFile::SOURCE_C) || Get(SourceFile::SOURCE_M) ||
Get(SourceFile::SOURCE_MM) || Get(SourceFile::SOURCE_RC) ||
Get(SourceFile::SOURCE_S) || Get(SourceFile::SOURCE_O) ||
Get(SourceFile::SOURCE_DEF);
}
bool SourceFileTypeSet::RustSourceUsed() const {
return Get(SourceFile::SOURCE_RS);
}
bool SourceFileTypeSet::GoSourceUsed() const {
return Get(SourceFile::SOURCE_GO);
}
bool SourceFileTypeSet::SwiftSourceUsed() const {
return Get(SourceFile::SOURCE_SWIFT);
}
bool SourceFileTypeSet::MixedSourceUsed() const {
return (1 << static_cast<int>(CSourceUsed())
<< static_cast<int>(RustSourceUsed())
<< static_cast<int>(GoSourceUsed())
<< static_cast<int>(SwiftSourceUsed())) > 2;
}
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