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35552f2a48
This CL updates the variable decorations to require ()'s around parameters. Bug: tint:238 Change-Id: I835879f41349756ace553a52fc2d460173e70dce Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/28583 Commit-Queue: dan sinclair <dsinclair@chromium.org> Reviewed-by: Sarah Mashayekhi <sarahmashay@google.com>
125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <memory>
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#include "gtest/gtest.h"
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#include "src/ast/binding_decoration.h"
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#include "src/ast/builtin_decoration.h"
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#include "src/ast/decorated_variable.h"
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#include "src/ast/location_decoration.h"
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#include "src/ast/set_decoration.h"
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#include "src/ast/type/f32_type.h"
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#include "src/ast/variable_decoration.h"
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#include "src/writer/wgsl/generator_impl.h"
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namespace tint {
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namespace writer {
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namespace wgsl {
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namespace {
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using WgslGeneratorImplTest = testing::Test;
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TEST_F(WgslGeneratorImplTest, EmitVariable) {
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ast::type::F32Type f32;
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ast::Variable v("a", ast::StorageClass::kNone, &f32);
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GeneratorImpl g;
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ASSERT_TRUE(g.EmitVariable(&v)) << g.error();
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EXPECT_EQ(g.result(), R"(var a : f32;
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)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_StorageClass) {
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ast::type::F32Type f32;
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ast::Variable v("a", ast::StorageClass::kInput, &f32);
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GeneratorImpl g;
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ASSERT_TRUE(g.EmitVariable(&v)) << g.error();
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EXPECT_EQ(g.result(), R"(var<in> a : f32;
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)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Decorated) {
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ast::type::F32Type f32;
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ast::VariableDecorationList decos;
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decos.push_back(std::make_unique<ast::LocationDecoration>(2));
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ast::DecoratedVariable dv;
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dv.set_name("a");
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dv.set_type(&f32);
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dv.set_decorations(std::move(decos));
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GeneratorImpl g;
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ASSERT_TRUE(g.EmitVariable(&dv)) << g.error();
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EXPECT_EQ(g.result(), R"([[location(2)]] var a : f32;
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)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Decorated_Multiple) {
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ast::type::F32Type f32;
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ast::VariableDecorationList decos;
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decos.push_back(
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std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kPosition));
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decos.push_back(std::make_unique<ast::BindingDecoration>(0));
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decos.push_back(std::make_unique<ast::SetDecoration>(1));
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decos.push_back(std::make_unique<ast::LocationDecoration>(2));
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ast::DecoratedVariable dv;
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dv.set_name("a");
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dv.set_type(&f32);
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dv.set_decorations(std::move(decos));
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GeneratorImpl g;
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ASSERT_TRUE(g.EmitVariable(&dv)) << g.error();
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EXPECT_EQ(
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g.result(),
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R"([[builtin(position), binding(0), set(1), location(2)]] var a : f32;
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)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Constructor) {
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auto ident = std::make_unique<ast::IdentifierExpression>("initializer");
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ast::type::F32Type f32;
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ast::Variable v("a", ast::StorageClass::kNone, &f32);
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v.set_constructor(std::move(ident));
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GeneratorImpl g;
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ASSERT_TRUE(g.EmitVariable(&v)) << g.error();
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EXPECT_EQ(g.result(), R"(var a : f32 = initializer;
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)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Const) {
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auto ident = std::make_unique<ast::IdentifierExpression>("initializer");
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ast::type::F32Type f32;
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ast::Variable v("a", ast::StorageClass::kNone, &f32);
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v.set_constructor(std::move(ident));
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v.set_is_const(true);
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GeneratorImpl g;
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ASSERT_TRUE(g.EmitVariable(&v)) << g.error();
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EXPECT_EQ(g.result(), R"(const a : f32 = initializer;
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)");
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}
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} // namespace
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} // namespace wgsl
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} // namespace writer
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} // namespace tint
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