| // Copyright 2020 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/ast/override_decoration.h" |
| #include "src/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint { |
| namespace reader { |
| namespace wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, GlobalConstantDecl) { |
| auto p = parser("let a : f32 = 1."); |
| auto decos = p->decoration_list(); |
| EXPECT_FALSE(decos.errored); |
| EXPECT_FALSE(decos.matched); |
| auto e = p->global_constant_decl(decos.value); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_TRUE(e->is_const); |
| EXPECT_EQ(e->symbol, p->builder().Symbols().Get("a")); |
| ASSERT_NE(e->type, nullptr); |
| EXPECT_TRUE(e->type->Is<ast::F32>()); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 5u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 6u); |
| |
| ASSERT_NE(e->constructor, nullptr); |
| EXPECT_TRUE(e->constructor->Is<ast::LiteralExpression>()); |
| |
| EXPECT_FALSE( |
| ast::HasDecoration<ast::OverrideDecoration>(e.value->decorations)); |
| } |
| |
| TEST_F(ParserImplTest, GlobalConstantDecl_Inferred) { |
| auto p = parser("let a = 1."); |
| auto decos = p->decoration_list(); |
| EXPECT_FALSE(decos.errored); |
| EXPECT_FALSE(decos.matched); |
| auto e = p->global_constant_decl(decos.value); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_TRUE(e->is_const); |
| EXPECT_EQ(e->symbol, p->builder().Symbols().Get("a")); |
| EXPECT_EQ(e->type, nullptr); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 5u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 6u); |
| |
| ASSERT_NE(e->constructor, nullptr); |
| EXPECT_TRUE(e->constructor->Is<ast::LiteralExpression>()); |
| |
| EXPECT_FALSE( |
| ast::HasDecoration<ast::OverrideDecoration>(e.value->decorations)); |
| } |
| |
| TEST_F(ParserImplTest, GlobalConstantDecl_InvalidExpression) { |
| auto p = parser("let a : f32 = if (a) {}"); |
| auto decos = p->decoration_list(); |
| EXPECT_FALSE(decos.errored); |
| EXPECT_FALSE(decos.matched); |
| auto e = p->global_constant_decl(decos.value); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_TRUE(e.errored); |
| EXPECT_FALSE(e.matched); |
| EXPECT_EQ(e.value, nullptr); |
| EXPECT_EQ(p->error(), "1:15: invalid type for const_expr"); |
| } |
| |
| TEST_F(ParserImplTest, GlobalConstantDecl_MissingExpression) { |
| auto p = parser("let a : f32 ="); |
| auto decos = p->decoration_list(); |
| EXPECT_FALSE(decos.errored); |
| EXPECT_FALSE(decos.matched); |
| auto e = p->global_constant_decl(decos.value); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_TRUE(e.errored); |
| EXPECT_FALSE(e.matched); |
| EXPECT_EQ(e.value, nullptr); |
| EXPECT_EQ(p->error(), "1:14: unable to parse const_expr"); |
| } |
| |
| TEST_F(ParserImplTest, GlobalConstantDec_Override_WithId) { |
| auto p = parser("[[override(7)]] let a : f32 = 1."); |
| auto decos = p->decoration_list(); |
| EXPECT_FALSE(decos.errored); |
| EXPECT_TRUE(decos.matched); |
| |
| auto e = p->global_constant_decl(decos.value); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_TRUE(e->is_const); |
| EXPECT_EQ(e->symbol, p->builder().Symbols().Get("a")); |
| ASSERT_NE(e->type, nullptr); |
| EXPECT_TRUE(e->type->Is<ast::F32>()); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 21u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 22u); |
| |
| ASSERT_NE(e->constructor, nullptr); |
| EXPECT_TRUE(e->constructor->Is<ast::LiteralExpression>()); |
| |
| auto* override_deco = |
| ast::GetDecoration<ast::OverrideDecoration>(e.value->decorations); |
| ASSERT_NE(override_deco, nullptr); |
| EXPECT_TRUE(override_deco->has_value); |
| EXPECT_EQ(override_deco->value, 7u); |
| } |
| |
| TEST_F(ParserImplTest, GlobalConstantDec_Override_WithoutId) { |
| auto p = parser("[[override]] let a : f32 = 1."); |
| auto decos = p->decoration_list(); |
| EXPECT_FALSE(decos.errored); |
| EXPECT_TRUE(decos.matched); |
| |
| auto e = p->global_constant_decl(decos.value); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_TRUE(e->is_const); |
| EXPECT_EQ(e->symbol, p->builder().Symbols().Get("a")); |
| ASSERT_NE(e->type, nullptr); |
| EXPECT_TRUE(e->type->Is<ast::F32>()); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 18u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 19u); |
| |
| ASSERT_NE(e->constructor, nullptr); |
| EXPECT_TRUE(e->constructor->Is<ast::LiteralExpression>()); |
| |
| auto* override_deco = |
| ast::GetDecoration<ast::OverrideDecoration>(e.value->decorations); |
| ASSERT_NE(override_deco, nullptr); |
| EXPECT_FALSE(override_deco->has_value); |
| } |
| |
| TEST_F(ParserImplTest, GlobalConstantDec_Override_MissingId) { |
| auto p = parser("[[override()]] let a : f32 = 1."); |
| auto decos = p->decoration_list(); |
| EXPECT_TRUE(decos.errored); |
| EXPECT_FALSE(decos.matched); |
| |
| auto e = p->global_constant_decl(decos.value); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), |
| "1:12: expected signed integer literal for override decoration"); |
| } |
| |
| TEST_F(ParserImplTest, GlobalConstantDec_Override_InvalidId) { |
| auto p = parser("[[override(-7)]] let a : f32 = 1."); |
| auto decos = p->decoration_list(); |
| EXPECT_TRUE(decos.errored); |
| EXPECT_FALSE(decos.matched); |
| |
| auto e = p->global_constant_decl(decos.value); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:12: override decoration must be positive"); |
| } |
| |
| } // namespace |
| } // namespace wgsl |
| } // namespace reader |
| } // namespace tint |