| // 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/identifier_expression.h" |
| #include "src/ast/int_literal.h" |
| #include "src/ast/scalar_constructor_expression.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/i32_type.h" |
| #include "src/ast/type_constructor_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/reader/wgsl/parser_impl_test_helper.h" |
| #include "src/type_manager.h" |
| |
| namespace tint { |
| namespace reader { |
| namespace wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Ident) { |
| auto* p = parser("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(); |
| EXPECT_EQ(ident->name(), "a"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Ident_WithNamespace) { |
| auto* p = parser("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(); |
| EXPECT_EQ(ident->path(), "a::b::c"); |
| EXPECT_EQ(ident->name(), "d"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Ident_MissingIdent) { |
| auto* p = parser("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) { |
| auto* p = parser("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->IsConstructor()); |
| ASSERT_TRUE(e->AsConstructor()->IsTypeConstructor()); |
| auto* ty = e->AsConstructor()->AsTypeConstructor(); |
| |
| ASSERT_EQ(ty->values().size(), 4u); |
| const auto& val = ty->values(); |
| ASSERT_TRUE(val[0]->IsConstructor()); |
| ASSERT_TRUE(val[0]->AsConstructor()->IsScalarConstructor()); |
| auto* ident = val[0]->AsConstructor()->AsScalarConstructor(); |
| ASSERT_TRUE(ident->literal()->IsInt()); |
| EXPECT_EQ(ident->literal()->AsInt()->value(), 1); |
| |
| ASSERT_TRUE(val[1]->IsConstructor()); |
| ASSERT_TRUE(val[1]->AsConstructor()->IsScalarConstructor()); |
| ident = val[1]->AsConstructor()->AsScalarConstructor(); |
| ASSERT_TRUE(ident->literal()->IsInt()); |
| EXPECT_EQ(ident->literal()->AsInt()->value(), 2); |
| |
| ASSERT_TRUE(val[2]->IsConstructor()); |
| ASSERT_TRUE(val[2]->AsConstructor()->IsScalarConstructor()); |
| ident = val[2]->AsConstructor()->AsScalarConstructor(); |
| ASSERT_TRUE(ident->literal()->IsInt()); |
| EXPECT_EQ(ident->literal()->AsInt()->value(), 3); |
| |
| ASSERT_TRUE(val[3]->IsConstructor()); |
| ASSERT_TRUE(val[3]->AsConstructor()->IsScalarConstructor()); |
| ident = val[3]->AsConstructor()->AsScalarConstructor(); |
| ASSERT_TRUE(ident->literal()->IsInt()); |
| EXPECT_EQ(ident->literal()->AsInt()->value(), 4); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_InvalidTypeDecl) { |
| auto* p = parser("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) { |
| auto* p = parser("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 constructor"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_MissingRightParen) { |
| auto* p = parser("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 constructor"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_InvalidValue) { |
| auto* p = parser("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) { |
| auto* p = parser("true"); |
| auto e = p->primary_expression(); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsConstructor()); |
| ASSERT_TRUE(e->AsConstructor()->IsScalarConstructor()); |
| auto* init = e->AsConstructor()->AsScalarConstructor(); |
| ASSERT_TRUE(init->literal()->IsBool()); |
| EXPECT_TRUE(init->literal()->AsBool()->IsTrue()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr) { |
| auto* p = parser("(a == b)"); |
| auto e = p->primary_expression(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsBinary()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr_MissingRightParen) { |
| auto* p = parser("(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) { |
| auto* p = parser("()"); |
| 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) { |
| auto* p = parser("(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* f32_type = tm()->Get(std::make_unique<ast::type::F32Type>()); |
| |
| auto* p = parser("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()->IsConstructor()); |
| ASSERT_TRUE(c->expr()->AsConstructor()->IsScalarConstructor()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast_MissingGreaterThan) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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* f32_type = tm()->Get(std::make_unique<ast::type::F32Type>()); |
| |
| auto* p = parser("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()->IsConstructor()); |
| ASSERT_TRUE(c->expr()->AsConstructor()->IsScalarConstructor()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_As_MissingGreaterThan) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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) { |
| auto* p = parser("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 |
| } // namespace wgsl |
| } // namespace reader |
| } // namespace tint |