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01208e7e42
We have `GlobalLet()`, `Let()`, `Var()`, so this just keeps things consistent Change-Id: Ie9f79b62e737a15b995c5a2b19f84621a5ac3cc9 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94604 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: David Neto <dneto@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
124 lines
3.0 KiB
C++
124 lines
3.0 KiB
C++
// Copyright 2021 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 "src/tint/writer/glsl/test_helper.h"
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namespace tint::writer::glsl {
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namespace {
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using GlslGeneratorImplTest_If = TestHelper;
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TEST_F(GlslGeneratorImplTest_If, Emit_If) {
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GlobalVar("cond", ty.bool_(), ast::StorageClass::kPrivate);
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auto* cond = Expr("cond");
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auto* body = Block(Return());
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auto* i = If(cond, body);
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WrapInFunction(i);
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GeneratorImpl& gen = Build();
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gen.increment_indent();
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ASSERT_TRUE(gen.EmitStatement(i)) << gen.error();
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EXPECT_EQ(gen.result(), R"( if (cond) {
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return;
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}
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)");
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}
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TEST_F(GlslGeneratorImplTest_If, Emit_IfWithElseIf) {
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GlobalVar("cond", ty.bool_(), ast::StorageClass::kPrivate);
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GlobalVar("else_cond", ty.bool_(), ast::StorageClass::kPrivate);
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auto* else_cond = Expr("else_cond");
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auto* else_body = Block(Return());
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auto* cond = Expr("cond");
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auto* body = Block(Return());
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auto* i = If(cond, body, Else(If(else_cond, else_body)));
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WrapInFunction(i);
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GeneratorImpl& gen = Build();
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gen.increment_indent();
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ASSERT_TRUE(gen.EmitStatement(i)) << gen.error();
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EXPECT_EQ(gen.result(), R"( if (cond) {
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return;
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} else {
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if (else_cond) {
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return;
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}
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}
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)");
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}
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TEST_F(GlslGeneratorImplTest_If, Emit_IfWithElse) {
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GlobalVar("cond", ty.bool_(), ast::StorageClass::kPrivate);
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auto* else_body = Block(Return());
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auto* cond = Expr("cond");
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auto* body = Block(Return());
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auto* i = If(cond, body, Else(else_body));
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WrapInFunction(i);
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GeneratorImpl& gen = Build();
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gen.increment_indent();
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ASSERT_TRUE(gen.EmitStatement(i)) << gen.error();
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EXPECT_EQ(gen.result(), R"( if (cond) {
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return;
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} else {
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return;
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}
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)");
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}
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TEST_F(GlslGeneratorImplTest_If, Emit_IfWithMultiple) {
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GlobalVar("cond", ty.bool_(), ast::StorageClass::kPrivate);
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GlobalVar("else_cond", ty.bool_(), ast::StorageClass::kPrivate);
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auto* else_cond = Expr("else_cond");
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auto* else_body = Block(Return());
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auto* else_body_2 = Block(Return());
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auto* cond = Expr("cond");
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auto* body = Block(Return());
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auto* i = If(cond, body, Else(If(else_cond, else_body, Else(else_body_2))));
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WrapInFunction(i);
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GeneratorImpl& gen = Build();
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gen.increment_indent();
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ASSERT_TRUE(gen.EmitStatement(i)) << gen.error();
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EXPECT_EQ(gen.result(), R"( if (cond) {
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return;
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} else {
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if (else_cond) {
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return;
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} else {
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return;
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}
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}
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)");
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}
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} // namespace
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} // namespace tint::writer::glsl
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