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cpp-builder.cc
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160 lines (145 loc) · 4.41 KB
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// Copyright 2021 the V8 project 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 "src/torque/cpp-builder.h"
namespace v8 {
namespace internal {
namespace torque {
namespace cpp {
void Function::PrintDeclarationHeader(std::ostream& stream,
int indentation) const {
if (!description_.empty()) {
stream << std::string(indentation, ' ') << "// " << description_ << "\n";
}
stream << std::string(indentation, ' ') << "// " << PositionAsString(pos_)
<< "\n";
stream << std::string(indentation, ' ');
if (IsExport()) stream << "V8_EXPORT_PRIVATE ";
if (IsV8Inline())
stream << "V8_INLINE ";
else if (IsInline())
stream << "inline ";
if (IsStatic()) stream << "static ";
if (IsConstexpr()) stream << "constexpr ";
stream << return_type_ << " " << name_ << "(";
bool first = true;
for (const auto& p : parameters_) {
if (!first) stream << ", ";
stream << p.type;
if (!p.name.empty()) stream << " " << p.name;
if (!p.default_value.empty()) stream << " = " << p.default_value;
first = false;
}
stream << ")";
if (IsConst()) stream << " const";
}
void Function::PrintDeclaration(std::ostream& stream, int indentation) const {
if (indentation == kAutomaticIndentation) {
indentation = owning_class_ ? 2 : 0;
}
PrintDeclarationHeader(stream, indentation);
stream << ";\n";
}
void Function::PrintDefinition(
std::ostream& stream, const std::function<void(std::ostream&)>& builder,
int indentation) const {
PrintBeginDefinition(stream, indentation);
if (builder) {
builder(stream);
}
PrintEndDefinition(stream, indentation);
}
void Function::PrintInlineDefinition(
std::ostream& stream, const std::function<void(std::ostream&)>& builder,
int indentation) const {
PrintDeclarationHeader(stream, indentation);
stream << " {\n";
if (builder) {
builder(stream);
}
PrintEndDefinition(stream, indentation);
}
void Function::PrintBeginDefinition(std::ostream& stream,
int indentation) const {
stream << std::string(indentation, ' ') << "// " << PositionAsString(pos_)
<< "\n";
std::string scope;
if (owning_class_) {
scope = owning_class_->GetName();
const auto class_template_parameters =
owning_class_->GetTemplateParameters();
if (!class_template_parameters.empty()) {
stream << std::string(indentation, ' ');
stream << "template<";
scope += "<";
bool first = true;
for (const auto& p : class_template_parameters) {
if (!first) {
stream << ", ";
scope += ", ";
}
if (p.type.empty()) {
stream << "class " << p.name;
} else {
stream << p.type << " " << p.name;
}
scope += p.name;
first = false;
}
stream << ">\n";
scope += ">";
}
scope += "::";
}
stream << std::string(indentation, ' ') << return_type_ << " " << scope
<< name_ << "(";
bool first = true;
for (const auto& p : parameters_) {
if (!first) stream << ", ";
stream << p.type;
if (!p.name.empty()) stream << " " << p.name;
first = false;
}
stream << ")";
if (IsConst()) {
stream << " const";
}
stream << " {\n";
}
void Function::PrintEndDefinition(std::ostream& stream, int indentation) const {
stream << std::string(indentation, ' ');
stream << "}\n\n";
}
void File::BeginIncludeGuard(const std::string& name) {
s() << "#ifndef " << name
<< "\n"
"#define "
<< name << "\n\n";
}
void File::EndIncludeGuard(const std::string& name) {
s() << "#endif // " << name << "\n";
}
void File::BeginNamespace(std::string name) {
DCHECK(!name.empty());
DCHECK_EQ(name.find(':'), std::string::npos);
s() << "namespace " << name << " {\n";
namespaces_.push(std::move(name));
}
void File::BeginNamespace(std::string name0, std::string name1) {
BeginNamespace(name0);
BeginNamespace(name1);
}
void File::EndNamespace(const std::string& name) {
DCHECK(!namespaces_.empty());
DCHECK_EQ(namespaces_.top(), name);
s() << "} // namespace " << namespaces_.top() << "\n";
namespaces_.pop();
}
void File::EndNamespace(const std::string& name0, const std::string& name1) {
EndNamespace(name1);
EndNamespace(name0);
}
} // namespace cpp
} // namespace torque
} // namespace internal
} // namespace v8