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49d1a2d950
This CL adds parsing for the WGSL `while` statement. Bug: tint:1425 Change-Id: Ibce5e28568935ca4f51b5ac33e7a60af7a916b4a Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/93540 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
// Copyright 2022 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 "gtest/gtest-spi.h"
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#include "src/tint/ast/binary_expression.h"
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#include "src/tint/ast/test_helper.h"
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using namespace tint::number_suffixes; // NOLINT
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namespace tint::ast {
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namespace {
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using WhileStatementTest = TestHelper;
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TEST_F(WhileStatementTest, Creation) {
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auto* cond = create<BinaryExpression>(BinaryOp::kLessThan, Expr("i"), Expr(5_u));
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auto* body = Block(Return());
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auto* l = While(cond, body);
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EXPECT_EQ(l->condition, cond);
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EXPECT_EQ(l->body, body);
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}
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TEST_F(WhileStatementTest, Creation_WithSource) {
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auto* cond = create<BinaryExpression>(BinaryOp::kLessThan, Expr("i"), Expr(5_u));
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auto* body = Block(Return());
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auto* l = While(Source{{20u, 2u}}, cond, body);
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auto src = l->source;
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EXPECT_EQ(src.range.begin.line, 20u);
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EXPECT_EQ(src.range.begin.column, 2u);
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}
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TEST_F(WhileStatementTest, Assert_Null_Cond) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b;
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auto* body = b.Block();
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b.While(nullptr, body);
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},
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"internal compiler error");
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}
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TEST_F(WhileStatementTest, Assert_Null_Body) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b;
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auto* cond = b.create<BinaryExpression>(BinaryOp::kLessThan, b.Expr("i"), b.Expr(5_u));
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b.While(cond, nullptr);
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},
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"internal compiler error");
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}
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TEST_F(WhileStatementTest, Assert_DifferentProgramID_Condition) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b1;
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ProgramBuilder b2;
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b1.While(b2.Expr(true), b1.Block());
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},
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"internal compiler error");
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}
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TEST_F(WhileStatementTest, Assert_DifferentProgramID_Body) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b1;
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ProgramBuilder b2;
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b1.While(b1.Expr(true), b2.Block());
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},
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"internal compiler error");
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}
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} // namespace
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} // namespace tint::ast
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