| // 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 "gtest/gtest.h" |
| #include "src/ast/array_accessor_expression.h" |
| #include "src/ast/as_expression.h" |
| #include "src/ast/bool_literal.h" |
| #include "src/ast/cast_expression.h" |
| #include "src/ast/const_initializer_expression.h" |
| #include "src/ast/identifier_expression.h" |
| #include "src/ast/int_literal.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/i32_type.h" |
| #include "src/ast/type_initializer_expression.h" |
| #include "src/ast/unary_derivative_expression.h" |
| #include "src/ast/unary_method_expression.h" |
| #include "src/ast/unary_op_expression.h" |
| #include "src/reader/wgsl/parser_impl.h" |
| #include "src/type_manager.h" |
| |
| namespace tint { |
| namespace reader { |
| namespace wgsl { |
| |
| using ParserImplTest = testing::Test; |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Ident) { |
| ParserImpl p{"a"}; |
| auto e = p.primary_expression(); |
| ASSERT_FALSE(p.has_error()) << p.error(); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsIdentifier()); |
| auto ident = e->AsIdentifier(); |
| ASSERT_EQ(ident->name().size(), 1); |
| EXPECT_EQ(ident->name()[0], "a"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Ident_WithNamespace) { |
| ParserImpl p{"a::b::c::d"}; |
| auto e = p.primary_expression(); |
| ASSERT_FALSE(p.has_error()) << p.error(); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsIdentifier()); |
| auto ident = e->AsIdentifier(); |
| ASSERT_EQ(ident->name().size(), 4); |
| EXPECT_EQ(ident->name()[0], "a"); |
| EXPECT_EQ(ident->name()[1], "b"); |
| EXPECT_EQ(ident->name()[2], "c"); |
| EXPECT_EQ(ident->name()[3], "d"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Ident_MissingIdent) { |
| ParserImpl p{"a::"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:4: identifier expected"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl) { |
| ParserImpl p{"vec4<i32>(1, 2, 3, 4))"}; |
| auto e = p.primary_expression(); |
| ASSERT_FALSE(p.has_error()) << p.error(); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsInitializer()); |
| ASSERT_TRUE(e->AsInitializer()->IsTypeInitializer()); |
| auto ty = e->AsInitializer()->AsTypeInitializer(); |
| |
| ASSERT_EQ(ty->values().size(), 4); |
| const auto& val = ty->values(); |
| ASSERT_TRUE(val[0]->IsInitializer()); |
| ASSERT_TRUE(val[0]->AsInitializer()->IsConstInitializer()); |
| auto ident = val[0]->AsInitializer()->AsConstInitializer(); |
| ASSERT_TRUE(ident->literal()->IsInt()); |
| EXPECT_EQ(ident->literal()->AsInt()->value(), 1); |
| |
| ASSERT_TRUE(val[1]->IsInitializer()); |
| ASSERT_TRUE(val[1]->AsInitializer()->IsConstInitializer()); |
| ident = val[1]->AsInitializer()->AsConstInitializer(); |
| ASSERT_TRUE(ident->literal()->IsInt()); |
| EXPECT_EQ(ident->literal()->AsInt()->value(), 2); |
| |
| ASSERT_TRUE(val[2]->IsInitializer()); |
| ASSERT_TRUE(val[2]->AsInitializer()->IsConstInitializer()); |
| ident = val[2]->AsInitializer()->AsConstInitializer(); |
| ASSERT_TRUE(ident->literal()->IsInt()); |
| EXPECT_EQ(ident->literal()->AsInt()->value(), 3); |
| |
| ASSERT_TRUE(val[3]->IsInitializer()); |
| ASSERT_TRUE(val[3]->AsInitializer()->IsConstInitializer()); |
| ident = val[3]->AsInitializer()->AsConstInitializer(); |
| ASSERT_TRUE(ident->literal()->IsInt()); |
| EXPECT_EQ(ident->literal()->AsInt()->value(), 4); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_InvalidTypeDecl) { |
| ParserImpl p{"vec4<if>(2., 3., 4., 5.)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:6: unable to determine subtype for vector"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_MissingLeftParen) { |
| ParserImpl p{"vec4<f32> 2., 3., 4., 5.)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:11: missing ( for type initializer"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_MissingRightParen) { |
| ParserImpl p{"vec4<f32>(2., 3., 4., 5."}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:25: missing ) for type initializer"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_InvalidValue) { |
| ParserImpl p{"i32(if(a) {})"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:5: unable to parse argument expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ConstLiteral_True) { |
| ParserImpl p{"true"}; |
| auto e = p.primary_expression(); |
| ASSERT_FALSE(p.has_error()); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsInitializer()); |
| ASSERT_TRUE(e->AsInitializer()->IsConstInitializer()); |
| auto init = e->AsInitializer()->AsConstInitializer(); |
| ASSERT_TRUE(init->literal()->IsBool()); |
| EXPECT_TRUE(init->literal()->AsBool()->IsTrue()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr) { |
| ParserImpl p{"(a == b)"}; |
| auto e = p.primary_expression(); |
| ASSERT_FALSE(p.has_error()) << p.error(); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsRelational()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr_MissingRightParen) { |
| ParserImpl p{"(a == b"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:8: expected )"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr_MissingExpr) { |
| ParserImpl p{"()"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:2: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr_InvalidExpr) { |
| ParserImpl p{"(if (a) {})"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:2: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast) { |
| auto tm = TypeManager::Instance(); |
| auto f32_type = tm->Get(std::make_unique<ast::type::F32Type>()); |
| |
| ParserImpl p{"cast<f32>(1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_FALSE(p.has_error()) << p.error(); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsCast()); |
| |
| auto c = e->AsCast(); |
| ASSERT_EQ(c->type(), f32_type); |
| |
| ASSERT_TRUE(c->expr()->IsInitializer()); |
| ASSERT_TRUE(c->expr()->AsInitializer()->IsConstInitializer()); |
| |
| TypeManager::Destroy(); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast_MissingGreaterThan) { |
| ParserImpl p{"cast<f32(1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:9: missing > for cast expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast_MissingType) { |
| ParserImpl p{"cast<>(1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:6: missing type for cast expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast_InvalidType) { |
| ParserImpl p{"cast<invalid>(1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:6: unknown type alias 'invalid'"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast_MissingLeftParen) { |
| ParserImpl p{"cast<f32>1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:10: expected ("); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast_MissingRightParen) { |
| ParserImpl p{"cast<f32>(1"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:12: expected )"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast_MissingExpression) { |
| ParserImpl p{"cast<f32>()"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:11: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast_InvalidExpression) { |
| ParserImpl p{"cast<f32>(if (a) {})"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:11: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As) { |
| auto tm = TypeManager::Instance(); |
| auto f32_type = tm->Get(std::make_unique<ast::type::F32Type>()); |
| |
| ParserImpl p{"as<f32>(1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_FALSE(p.has_error()) << p.error(); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsAs()); |
| |
| auto c = e->AsAs(); |
| ASSERT_EQ(c->type(), f32_type); |
| |
| ASSERT_TRUE(c->expr()->IsInitializer()); |
| ASSERT_TRUE(c->expr()->AsInitializer()->IsConstInitializer()); |
| |
| TypeManager::Destroy(); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As_MissingGreaterThan) { |
| ParserImpl p{"as<f32(1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:7: missing > for as expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As_MissingType) { |
| ParserImpl p{"as<>(1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:4: missing type for as expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As_InvalidType) { |
| ParserImpl p{"as<invalid>(1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:4: unknown type alias 'invalid'"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As_MissingLeftParen) { |
| ParserImpl p{"as<f32>1)"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:8: expected ("); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As_MissingRightParen) { |
| ParserImpl p{"as<f32>(1"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:10: expected )"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As_MissingExpression) { |
| ParserImpl p{"as<f32>()"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:9: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As_InvalidExpression) { |
| ParserImpl p{"as<f32>(if (a) {})"}; |
| auto e = p.primary_expression(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:9: unable to parse expression"); |
| } |
| |
| } // namespace wgsl |
| } // namespace reader |
| } // namespace tint |