mirror of
https://github.com/encounter/dawn-cmake.git
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a996ffbd1f
This matches (mostly) the term used in the WGSL spec. Change-Id: Ie148a1ca8498698e91fdbb60e1aeb0d509b80630 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/78786 Reviewed-by: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
252 lines
8.5 KiB
C++
252 lines
8.5 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/ast/workgroup_attribute.h"
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#include "src/reader/wgsl/parser_impl_test_helper.h"
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namespace tint {
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namespace reader {
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namespace wgsl {
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namespace {
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TEST_F(ParserImplTest, FunctionDecl) {
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auto p = parser("fn main(a : i32, b : f32) { return; }");
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auto attrs = p->attribute_list();
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_FALSE(attrs.errored);
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EXPECT_FALSE(attrs.matched);
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auto f = p->function_decl(attrs.value);
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EXPECT_FALSE(p->has_error()) << p->error();
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EXPECT_FALSE(f.errored);
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EXPECT_TRUE(f.matched);
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ASSERT_NE(f.value, nullptr);
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EXPECT_EQ(f->symbol, p->builder().Symbols().Get("main"));
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ASSERT_NE(f->return_type, nullptr);
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EXPECT_TRUE(f->return_type->Is<ast::Void>());
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ASSERT_EQ(f->params.size(), 2u);
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EXPECT_EQ(f->params[0]->symbol, p->builder().Symbols().Get("a"));
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EXPECT_EQ(f->params[1]->symbol, p->builder().Symbols().Get("b"));
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ASSERT_NE(f->return_type, nullptr);
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EXPECT_TRUE(f->return_type->Is<ast::Void>());
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auto* body = f->body;
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ASSERT_EQ(body->statements.size(), 1u);
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EXPECT_TRUE(body->statements[0]->Is<ast::ReturnStatement>());
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}
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TEST_F(ParserImplTest, FunctionDecl_AttributeList) {
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auto p = parser("@workgroup_size(2, 3, 4) fn main() { return; }");
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auto attrs = p->attribute_list();
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_FALSE(attrs.errored);
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ASSERT_TRUE(attrs.matched);
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auto f = p->function_decl(attrs.value);
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EXPECT_FALSE(p->has_error()) << p->error();
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EXPECT_FALSE(f.errored);
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EXPECT_TRUE(f.matched);
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ASSERT_NE(f.value, nullptr);
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EXPECT_EQ(f->symbol, p->builder().Symbols().Get("main"));
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ASSERT_NE(f->return_type, nullptr);
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EXPECT_TRUE(f->return_type->Is<ast::Void>());
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ASSERT_EQ(f->params.size(), 0u);
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auto& attributes = f->attributes;
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ASSERT_EQ(attributes.size(), 1u);
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ASSERT_TRUE(attributes[0]->Is<ast::WorkgroupAttribute>());
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auto values = attributes[0]->As<ast::WorkgroupAttribute>()->Values();
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ASSERT_TRUE(values[0]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[0]->As<ast::IntLiteralExpression>()->ValueAsU32(), 2u);
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ASSERT_TRUE(values[1]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[1]->As<ast::IntLiteralExpression>()->ValueAsU32(), 3u);
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ASSERT_TRUE(values[2]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[2]->As<ast::IntLiteralExpression>()->ValueAsU32(), 4u);
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auto* body = f->body;
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ASSERT_EQ(body->statements.size(), 1u);
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EXPECT_TRUE(body->statements[0]->Is<ast::ReturnStatement>());
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}
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TEST_F(ParserImplTest, FunctionDecl_AttributeList_MultipleEntries) {
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auto p = parser(R"(
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@workgroup_size(2, 3, 4) @stage(compute)
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fn main() { return; })");
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auto attrs = p->attribute_list();
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_FALSE(attrs.errored);
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ASSERT_TRUE(attrs.matched);
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auto f = p->function_decl(attrs.value);
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EXPECT_FALSE(p->has_error()) << p->error();
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EXPECT_FALSE(f.errored);
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EXPECT_TRUE(f.matched);
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ASSERT_NE(f.value, nullptr);
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EXPECT_EQ(f->symbol, p->builder().Symbols().Get("main"));
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ASSERT_NE(f->return_type, nullptr);
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EXPECT_TRUE(f->return_type->Is<ast::Void>());
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ASSERT_EQ(f->params.size(), 0u);
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auto& attributes = f->attributes;
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ASSERT_EQ(attributes.size(), 2u);
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ASSERT_TRUE(attributes[0]->Is<ast::WorkgroupAttribute>());
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auto values = attributes[0]->As<ast::WorkgroupAttribute>()->Values();
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ASSERT_TRUE(values[0]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[0]->As<ast::IntLiteralExpression>()->ValueAsU32(), 2u);
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ASSERT_TRUE(values[1]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[1]->As<ast::IntLiteralExpression>()->ValueAsU32(), 3u);
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ASSERT_TRUE(values[2]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[2]->As<ast::IntLiteralExpression>()->ValueAsU32(), 4u);
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ASSERT_TRUE(attributes[1]->Is<ast::StageAttribute>());
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EXPECT_EQ(attributes[1]->As<ast::StageAttribute>()->stage,
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ast::PipelineStage::kCompute);
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auto* body = f->body;
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ASSERT_EQ(body->statements.size(), 1u);
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EXPECT_TRUE(body->statements[0]->Is<ast::ReturnStatement>());
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}
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TEST_F(ParserImplTest, FunctionDecl_AttributeList_MultipleLists) {
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auto p = parser(R"(
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@workgroup_size(2, 3, 4)
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@stage(compute)
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fn main() { return; })");
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auto attributes = p->attribute_list();
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_FALSE(attributes.errored);
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ASSERT_TRUE(attributes.matched);
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auto f = p->function_decl(attributes.value);
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EXPECT_FALSE(p->has_error()) << p->error();
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EXPECT_FALSE(f.errored);
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EXPECT_TRUE(f.matched);
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ASSERT_NE(f.value, nullptr);
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EXPECT_EQ(f->symbol, p->builder().Symbols().Get("main"));
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ASSERT_NE(f->return_type, nullptr);
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EXPECT_TRUE(f->return_type->Is<ast::Void>());
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ASSERT_EQ(f->params.size(), 0u);
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auto& attrs = f->attributes;
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ASSERT_EQ(attrs.size(), 2u);
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ASSERT_TRUE(attrs[0]->Is<ast::WorkgroupAttribute>());
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auto values = attrs[0]->As<ast::WorkgroupAttribute>()->Values();
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ASSERT_TRUE(values[0]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[0]->As<ast::IntLiteralExpression>()->ValueAsU32(), 2u);
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ASSERT_TRUE(values[1]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[1]->As<ast::IntLiteralExpression>()->ValueAsU32(), 3u);
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ASSERT_TRUE(values[2]->Is<ast::IntLiteralExpression>());
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EXPECT_EQ(values[2]->As<ast::IntLiteralExpression>()->ValueAsU32(), 4u);
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ASSERT_TRUE(attrs[1]->Is<ast::StageAttribute>());
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EXPECT_EQ(attrs[1]->As<ast::StageAttribute>()->stage,
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ast::PipelineStage::kCompute);
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auto* body = f->body;
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ASSERT_EQ(body->statements.size(), 1u);
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EXPECT_TRUE(body->statements[0]->Is<ast::ReturnStatement>());
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}
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TEST_F(ParserImplTest, FunctionDecl_ReturnTypeAttributeList) {
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auto p = parser("fn main() -> @location(1) f32 { return 1.0; }");
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auto attrs = p->attribute_list();
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_FALSE(attrs.errored);
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EXPECT_FALSE(attrs.matched);
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auto f = p->function_decl(attrs.value);
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EXPECT_FALSE(p->has_error()) << p->error();
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EXPECT_FALSE(f.errored);
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EXPECT_TRUE(f.matched);
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ASSERT_NE(f.value, nullptr);
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EXPECT_EQ(f->symbol, p->builder().Symbols().Get("main"));
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ASSERT_NE(f->return_type, nullptr);
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EXPECT_TRUE(f->return_type->Is<ast::F32>());
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ASSERT_EQ(f->params.size(), 0u);
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auto& attributes = f->attributes;
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EXPECT_EQ(attributes.size(), 0u);
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auto& ret_type_attributes = f->return_type_attributes;
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ASSERT_EQ(ret_type_attributes.size(), 1u);
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auto* loc = ret_type_attributes[0]->As<ast::LocationAttribute>();
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ASSERT_TRUE(loc != nullptr);
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EXPECT_EQ(loc->value, 1u);
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auto* body = f->body;
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ASSERT_EQ(body->statements.size(), 1u);
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EXPECT_TRUE(body->statements[0]->Is<ast::ReturnStatement>());
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}
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TEST_F(ParserImplTest, FunctionDecl_InvalidHeader) {
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auto p = parser("fn main() -> { }");
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auto attrs = p->attribute_list();
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_FALSE(attrs.errored);
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EXPECT_FALSE(attrs.matched);
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auto f = p->function_decl(attrs.value);
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EXPECT_TRUE(f.errored);
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(f.value, nullptr);
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EXPECT_EQ(p->error(), "1:14: unable to determine function return type");
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}
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TEST_F(ParserImplTest, FunctionDecl_InvalidBody) {
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auto p = parser("fn main() { return }");
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auto attrs = p->attribute_list();
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_FALSE(attrs.errored);
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EXPECT_FALSE(attrs.matched);
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auto f = p->function_decl(attrs.value);
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EXPECT_TRUE(f.errored);
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(f.value, nullptr);
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EXPECT_EQ(p->error(), "1:20: expected ';' for return statement");
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}
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TEST_F(ParserImplTest, FunctionDecl_MissingLeftBrace) {
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auto p = parser("fn main() return; }");
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auto attrs = p->attribute_list();
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_FALSE(attrs.errored);
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EXPECT_FALSE(attrs.matched);
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auto f = p->function_decl(attrs.value);
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EXPECT_TRUE(f.errored);
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(f.value, nullptr);
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EXPECT_EQ(p->error(), "1:11: expected '{'");
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}
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} // namespace
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} // namespace wgsl
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} // namespace reader
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} // namespace tint
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