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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/program_builder.h"
#include "src/tint/ast/assignment_statement.h"
#include "src/tint/ast/call_statement.h"
#include "src/tint/ast/variable_decl_statement.h"
#include "src/tint/debug.h"
#include "src/tint/demangler.h"
#include "src/tint/sem/expression.h"
#include "src/tint/sem/variable.h"
namespace tint {
ProgramBuilder::VarOptionals::~VarOptionals() = default;
ProgramBuilder::ProgramBuilder()
: id_(ProgramID::New()),
ast_(ast_nodes_.Create<ast::Module>(id_, Source{})) {}
ProgramBuilder::ProgramBuilder(ProgramBuilder&& rhs)
: id_(std::move(rhs.id_)),
types_(std::move(rhs.types_)),
ast_nodes_(std::move(rhs.ast_nodes_)),
sem_nodes_(std::move(rhs.sem_nodes_)),
ast_(rhs.ast_),
sem_(std::move(rhs.sem_)),
symbols_(std::move(rhs.symbols_)),
diagnostics_(std::move(rhs.diagnostics_)) {
rhs.MarkAsMoved();
}
ProgramBuilder::~ProgramBuilder() = default;
ProgramBuilder& ProgramBuilder::operator=(ProgramBuilder&& rhs) {
rhs.MarkAsMoved();
AssertNotMoved();
id_ = std::move(rhs.id_);
types_ = std::move(rhs.types_);
ast_nodes_ = std::move(rhs.ast_nodes_);
sem_nodes_ = std::move(rhs.sem_nodes_);
ast_ = rhs.ast_;
sem_ = std::move(rhs.sem_);
symbols_ = std::move(rhs.symbols_);
diagnostics_ = std::move(rhs.diagnostics_);
return *this;
}
ProgramBuilder ProgramBuilder::Wrap(const Program* program) {
ProgramBuilder builder;
builder.id_ = program->ID();
builder.types_ = sem::Manager::Wrap(program->Types());
builder.ast_ = builder.create<ast::Module>(
program->AST().source, program->AST().GlobalDeclarations());
builder.sem_ = sem::Info::Wrap(program->Sem());
builder.symbols_ = program->Symbols();
builder.diagnostics_ = program->Diagnostics();
return builder;
}
bool ProgramBuilder::IsValid() const {
return !diagnostics_.contains_errors();
}
void ProgramBuilder::MarkAsMoved() {
AssertNotMoved();
moved_ = true;
}
void ProgramBuilder::AssertNotMoved() const {
if (moved_) {
TINT_ICE(ProgramBuilder, const_cast<ProgramBuilder*>(this)->diagnostics_)
<< "Attempting to use ProgramBuilder after it has been moved";
}
}
const sem::Type* ProgramBuilder::TypeOf(const ast::Expression* expr) const {
auto* sem = Sem().Get(expr);
return sem ? sem->Type() : nullptr;
}
const sem::Type* ProgramBuilder::TypeOf(const ast::Variable* var) const {
auto* sem = Sem().Get(var);
return sem ? sem->Type() : nullptr;
}
const sem::Type* ProgramBuilder::TypeOf(const ast::Type* type) const {
return Sem().Get(type);
}
const sem::Type* ProgramBuilder::TypeOf(const ast::TypeDecl* type_decl) const {
return Sem().Get(type_decl);
}
const ast::TypeName* ProgramBuilder::TypesBuilder::Of(
const ast::TypeDecl* decl) const {
return type_name(decl->name);
}
ProgramBuilder::TypesBuilder::TypesBuilder(ProgramBuilder* pb) : builder(pb) {}
const ast::Statement* ProgramBuilder::WrapInStatement(
const ast::Expression* expr) {
// Create a temporary variable of inferred type from expr.
return Decl(Let(symbols_.New(), nullptr, expr));
}
const ast::VariableDeclStatement* ProgramBuilder::WrapInStatement(
const ast::Variable* v) {
return create<ast::VariableDeclStatement>(v);
}
const ast::Statement* ProgramBuilder::WrapInStatement(
const ast::Statement* stmt) {
return stmt;
}
const ast::Function* ProgramBuilder::WrapInFunction(
const ast::StatementList stmts) {
return Func("test_function", {}, ty.void_(), std::move(stmts),
{create<ast::StageAttribute>(ast::PipelineStage::kCompute),
WorkgroupSize(1, 1, 1)});
}
} // namespace tint