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// Copyright 2020 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/lang/wgsl/ast/if_statement.h"
#include "src/tint/lang/wgsl/ast/builder.h"
#include "src/tint/lang/wgsl/ast/clone_context.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::IfStatement);
namespace tint::ast {
IfStatement::IfStatement(GenerationID pid,
NodeID nid,
const Source& src,
const Expression* cond,
const BlockStatement* b,
const Statement* else_stmt,
VectorRef<const Attribute*> attrs)
: Base(pid, nid, src),
condition(cond),
body(b),
else_statement(else_stmt),
attributes(std::move(attrs)) {
TINT_ASSERT(condition);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(condition, generation_id);
TINT_ASSERT(body);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(body, generation_id);
if (else_statement) {
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(else_statement, generation_id);
TINT_ASSERT((else_statement->IsAnyOf<IfStatement, BlockStatement>()));
}
for (auto* attr : attributes) {
TINT_ASSERT(attr);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(attr, generation_id);
}
}
IfStatement::~IfStatement() = default;
const IfStatement* IfStatement::Clone(CloneContext& ctx) const {
// Clone arguments outside of create() call to have deterministic ordering
auto src = ctx.Clone(source);
auto* cond = ctx.Clone(condition);
auto* b = ctx.Clone(body);
auto* el = ctx.Clone(else_statement);
auto attrs = ctx.Clone(attributes);
return ctx.dst->create<IfStatement>(src, cond, b, el, std::move(attrs));
}
} // namespace tint::ast