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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/tint/ast/module.h"
#include <utility>
#include "src/tint/ast/type_decl.h"
#include "src/tint/program_builder.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::Module);
namespace tint::ast {
Module::Module(ProgramID pid, const Source& src) : Base(pid, src) {}
Module::Module(ProgramID pid,
const Source& src,
std::vector<const ast::Node*> global_decls)
: Base(pid, src), global_declarations_(std::move(global_decls)) {
for (auto* decl : global_declarations_) {
if (decl == nullptr) {
continue;
}
diag::List diags;
BinGlobalDeclaration(decl, diags);
}
}
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::AddGlobalDeclaration(const tint::ast::Node* decl) {
diag::List diags;
BinGlobalDeclaration(decl, diags);
global_declarations_.emplace_back(decl);
}
void Module::BinGlobalDeclaration(const tint::ast::Node* decl,
diag::List& diags) {
Switch(
decl, //
[&](const ast::TypeDecl* type) {
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, type, program_id);
type_decls_.push_back(type);
},
[&](const Function* func) {
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, func, program_id);
functions_.push_back(func);
},
[&](const Variable* var) {
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, var, program_id);
global_variables_.push_back(var);
},
[&](Default) {
TINT_ICE(AST, diags) << "Unknown global declaration type";
});
}
void Module::AddGlobalVariable(const 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(const 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(const 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);
}
const 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;
}
BinGlobalDeclaration(decl, ctx->dst->Diagnostics());
}
}
} // namespace tint::ast