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// Copyright 2021 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/ast/module.h"
#include <utility>
#include "src/ast/type_decl.h"
#include "src/program_builder.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::Module);
namespace tint {
namespace ast {
Module::Module(ProgramID program_id, const Source& source)
: Base(program_id, source) {}
Module::Module(ProgramID program_id,
const Source& source,
std::vector<ast::Node*> global_decls)
: Base(program_id, source), global_declarations_(std::move(global_decls)) {
for (auto* decl : global_declarations_) {
if (decl == nullptr) {
continue;
}
if (auto* ty = decl->As<ast::TypeDecl>()) {
type_decls_.push_back(ty);
} else if (auto* func = decl->As<Function>()) {
functions_.push_back(func);
} else if (auto* var = decl->As<Variable>()) {
global_variables_.push_back(var);
} else {
diag::List diagnostics;
TINT_ICE(AST, diagnostics) << "Unknown global declaration type";
}
}
}
Module::~Module() = default;
const ast::TypeDecl* Module::LookupType(Symbol name) const {
for (auto* ty : TypeDecls()) {
if (ty->name() == name) {
return ty;
}
}
return nullptr;
}
void Module::AddGlobalVariable(ast::Variable* var) {
TINT_ASSERT(AST, var);
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, var, program_id());
global_variables_.push_back(var);
global_declarations_.push_back(var);
}
void Module::AddTypeDecl(ast::TypeDecl* type) {
TINT_ASSERT(AST, type);
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, type, program_id());
type_decls_.push_back(type);
global_declarations_.push_back(type);
}
void Module::AddFunction(ast::Function* func) {
TINT_ASSERT(AST, func);
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, func, program_id());
functions_.push_back(func);
global_declarations_.push_back(func);
}
Module* Module::Clone(CloneContext* ctx) const {
auto* out = ctx->dst->create<Module>();
out->Copy(ctx, this);
return out;
}
void Module::Copy(CloneContext* ctx, const Module* src) {
ctx->Clone(global_declarations_, src->global_declarations_);
// During the clone, declarations may have been placed into the module.
// Clear everything out, as we're about to re-bin the declarations.
type_decls_.clear();
functions_.clear();
global_variables_.clear();
for (auto* decl : global_declarations_) {
if (!decl) {
TINT_ICE(AST, ctx->dst->Diagnostics())
<< "src global declaration was nullptr";
continue;
}
if (auto* type = decl->As<ast::TypeDecl>()) {
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, type, program_id());
type_decls_.push_back(type);
} else if (auto* func = decl->As<Function>()) {
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, func, program_id());
functions_.push_back(func);
} else if (auto* var = decl->As<Variable>()) {
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, var, program_id());
global_variables_.push_back(var);
} else {
TINT_ICE(AST, ctx->dst->Diagnostics())
<< "Unknown global declaration type";
}
}
}
void Module::to_str(const sem::Info& sem,
std::ostream& out,
size_t indent) const {
make_indent(out, indent);
out << "Module{" << std::endl;
indent += 2;
for (auto* ty : type_decls_) {
make_indent(out, indent);
if (auto* alias = ty->As<ast::Alias>()) {
out << alias->symbol().to_str() << " -> " << alias->type()->type_name()
<< std::endl;
} else if (auto* str = ty->As<ast::Struct>()) {
str->to_str(sem, out, indent);
}
}
for (auto* var : global_variables_) {
var->to_str(sem, out, indent);
}
for (auto* func : functions_) {
func->to_str(sem, out, indent);
}
out << "}" << std::endl;
}
std::string Module::to_str(const sem::Info& sem) const {
std::ostringstream out;
to_str(sem, out, 0);
return out.str();
}
} // namespace ast
} // namespace tint