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// Copyright 2020 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#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