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30a03d9eed
This PR condenses the namespaces in the tint/reader/wgsl folder. Change-Id: Ic9f668402f10f02eecf5a8eaf0625558957391d9 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86032 Auto-Submit: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
109 lines
3.5 KiB
C++
109 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 "src/tint/reader/wgsl/parser_impl_test_helper.h"
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namespace tint::reader::wgsl {
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namespace {
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TEST_F(ParserImplTest, ShiftExpression_Parses_ShiftLeft) {
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auto p = parser("a << true");
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auto e = p->shift_expression();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_TRUE(e->Is<ast::BinaryExpression>());
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auto* rel = e->As<ast::BinaryExpression>();
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EXPECT_EQ(ast::BinaryOp::kShiftLeft, rel->op);
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ASSERT_TRUE(rel->lhs->Is<ast::IdentifierExpression>());
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auto* ident = rel->lhs->As<ast::IdentifierExpression>();
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EXPECT_EQ(ident->symbol, p->builder().Symbols().Get("a"));
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ASSERT_TRUE(rel->rhs->Is<ast::BoolLiteralExpression>());
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ASSERT_TRUE(rel->rhs->As<ast::BoolLiteralExpression>()->value);
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}
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TEST_F(ParserImplTest, ShiftExpression_Parses_ShiftRight) {
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auto p = parser("a >> true");
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auto e = p->shift_expression();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_TRUE(e->Is<ast::BinaryExpression>());
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auto* rel = e->As<ast::BinaryExpression>();
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EXPECT_EQ(ast::BinaryOp::kShiftRight, rel->op);
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ASSERT_TRUE(rel->lhs->Is<ast::IdentifierExpression>());
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auto* ident = rel->lhs->As<ast::IdentifierExpression>();
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EXPECT_EQ(ident->symbol, p->builder().Symbols().Get("a"));
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ASSERT_TRUE(rel->rhs->Is<ast::BoolLiteralExpression>());
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ASSERT_TRUE(rel->rhs->As<ast::BoolLiteralExpression>()->value);
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}
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TEST_F(ParserImplTest, ShiftExpression_InvalidSpaceLeft) {
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auto p = parser("a < < true");
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auto e = p->shift_expression();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_NE(e.value, nullptr);
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EXPECT_FALSE(e.value->Is<ast::BinaryExpression>());
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}
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TEST_F(ParserImplTest, ShiftExpression_InvalidSpaceRight) {
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auto p = parser("a > > true");
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auto e = p->shift_expression();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_NE(e.value, nullptr);
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EXPECT_FALSE(e.value->Is<ast::BinaryExpression>());
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}
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TEST_F(ParserImplTest, ShiftExpression_InvalidLHS) {
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auto p = parser("if (a) {} << true");
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auto e = p->shift_expression();
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EXPECT_FALSE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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EXPECT_EQ(e.value, nullptr);
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}
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TEST_F(ParserImplTest, ShiftExpression_InvalidRHS) {
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auto p = parser("true << if (a) {}");
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auto e = p->shift_expression();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:9: unable to parse right side of << expression");
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}
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TEST_F(ParserImplTest, ShiftExpression_NoOr_ReturnsLHS) {
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auto p = parser("a true");
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auto e = p->shift_expression();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_TRUE(e->Is<ast::IdentifierExpression>());
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}
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} // namespace
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} // namespace tint::reader::wgsl
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