| // 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/tint/ast/test_helper.h" |
| #include "src/tint/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint::reader::wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, ParamList_Single) { |
| auto p = parser("a : i32"); |
| |
| auto e = p->expect_param_list(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_FALSE(e.errored); |
| EXPECT_EQ(e.value.Length(), 1u); |
| |
| EXPECT_EQ(e.value[0]->name->symbol, p->builder().Symbols().Get("a")); |
| ast::CheckIdentifier(p->builder().Symbols(), e.value[0]->type, "i32"); |
| EXPECT_TRUE(e.value[0]->Is<ast::Parameter>()); |
| |
| ASSERT_EQ(e.value[0]->source.range.begin.line, 1u); |
| ASSERT_EQ(e.value[0]->source.range.begin.column, 1u); |
| ASSERT_EQ(e.value[0]->source.range.end.line, 1u); |
| ASSERT_EQ(e.value[0]->source.range.end.column, 2u); |
| } |
| |
| TEST_F(ParserImplTest, ParamList_Multiple) { |
| auto p = parser("a : i32, b: f32, c: vec2<f32>"); |
| |
| auto e = p->expect_param_list(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_FALSE(e.errored); |
| EXPECT_EQ(e.value.Length(), 3u); |
| |
| EXPECT_EQ(e.value[0]->name->symbol, p->builder().Symbols().Get("a")); |
| ast::CheckIdentifier(p->builder().Symbols(), e.value[0]->type, "i32"); |
| EXPECT_TRUE(e.value[0]->Is<ast::Parameter>()); |
| |
| ASSERT_EQ(e.value[0]->source.range.begin.line, 1u); |
| ASSERT_EQ(e.value[0]->source.range.begin.column, 1u); |
| ASSERT_EQ(e.value[0]->source.range.end.line, 1u); |
| ASSERT_EQ(e.value[0]->source.range.end.column, 2u); |
| |
| EXPECT_EQ(e.value[1]->name->symbol, p->builder().Symbols().Get("b")); |
| ast::CheckIdentifier(p->builder().Symbols(), e.value[1]->type, "f32"); |
| EXPECT_TRUE(e.value[1]->Is<ast::Parameter>()); |
| |
| ASSERT_EQ(e.value[1]->source.range.begin.line, 1u); |
| ASSERT_EQ(e.value[1]->source.range.begin.column, 10u); |
| ASSERT_EQ(e.value[1]->source.range.end.line, 1u); |
| ASSERT_EQ(e.value[1]->source.range.end.column, 11u); |
| |
| EXPECT_EQ(e.value[2]->name->symbol, p->builder().Symbols().Get("c")); |
| ast::CheckIdentifier(p->builder().Symbols(), e.value[2]->type, ast::Template("vec2", "f32")); |
| EXPECT_TRUE(e.value[2]->Is<ast::Parameter>()); |
| |
| ASSERT_EQ(e.value[2]->source.range.begin.line, 1u); |
| ASSERT_EQ(e.value[2]->source.range.begin.column, 18u); |
| ASSERT_EQ(e.value[2]->source.range.end.line, 1u); |
| ASSERT_EQ(e.value[2]->source.range.end.column, 19u); |
| } |
| |
| TEST_F(ParserImplTest, ParamList_Empty) { |
| auto p = parser(""); |
| auto e = p->expect_param_list(); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_FALSE(e.errored); |
| EXPECT_EQ(e.value.Length(), 0u); |
| } |
| |
| TEST_F(ParserImplTest, ParamList_TrailingComma) { |
| auto p = parser("a : i32,"); |
| auto e = p->expect_param_list(); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_FALSE(e.errored); |
| EXPECT_EQ(e.value.Length(), 1u); |
| } |
| |
| TEST_F(ParserImplTest, ParamList_Attributes) { |
| auto p = parser("@builtin(position) coord : vec4<f32>, @location(1) loc1 : f32"); |
| |
| auto e = p->expect_param_list(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_FALSE(e.errored); |
| ASSERT_EQ(e.value.Length(), 2u); |
| |
| EXPECT_EQ(e.value[0]->name->symbol, p->builder().Symbols().Get("coord")); |
| ast::CheckIdentifier(p->builder().Symbols(), e.value[0]->type, ast::Template("vec4", "f32")); |
| EXPECT_TRUE(e.value[0]->Is<ast::Parameter>()); |
| auto attrs_0 = e.value[0]->attributes; |
| ASSERT_EQ(attrs_0.Length(), 1u); |
| EXPECT_TRUE(attrs_0[0]->Is<ast::BuiltinAttribute>()); |
| ast::CheckIdentifier(p->builder().Symbols(), attrs_0[0]->As<ast::BuiltinAttribute>()->builtin, |
| "position"); |
| |
| ASSERT_EQ(e.value[0]->source.range.begin.line, 1u); |
| ASSERT_EQ(e.value[0]->source.range.begin.column, 20u); |
| ASSERT_EQ(e.value[0]->source.range.end.line, 1u); |
| ASSERT_EQ(e.value[0]->source.range.end.column, 25u); |
| |
| EXPECT_EQ(e.value[1]->name->symbol, p->builder().Symbols().Get("loc1")); |
| ast::CheckIdentifier(p->builder().Symbols(), e.value[1]->type, "f32"); |
| EXPECT_TRUE(e.value[1]->Is<ast::Parameter>()); |
| auto attrs_1 = e.value[1]->attributes; |
| ASSERT_EQ(attrs_1.Length(), 1u); |
| |
| ASSERT_TRUE(attrs_1[0]->Is<ast::LocationAttribute>()); |
| auto* attr = attrs_1[0]->As<ast::LocationAttribute>(); |
| ASSERT_TRUE(attr->expr->Is<ast::IntLiteralExpression>()); |
| auto* loc = attr->expr->As<ast::IntLiteralExpression>(); |
| EXPECT_EQ(loc->value, 1u); |
| |
| EXPECT_EQ(e.value[1]->source.range.begin.line, 1u); |
| EXPECT_EQ(e.value[1]->source.range.begin.column, 52u); |
| EXPECT_EQ(e.value[1]->source.range.end.line, 1u); |
| EXPECT_EQ(e.value[1]->source.range.end.column, 56u); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |