mirror of
https://github.com/encounter/dawn-cmake.git
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c4e076ffe6
This CL renames the attributes to store `expr` instead of `value`. This closer matches what is stored. Bug: tint:1633 Change-Id: If1db34d1f9186afa111c394f18ed049dd2f56f91 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/101525 Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
135 lines
4.5 KiB
C++
135 lines
4.5 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/tint/reader/wgsl/parser_impl_test_helper.h"
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namespace tint::reader::wgsl {
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namespace {
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TEST_F(ParserImplTest, FunctionHeader) {
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auto p = parser("fn main(a : i32, b: f32)");
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auto f = p->function_header();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(f.matched);
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EXPECT_FALSE(f.errored);
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EXPECT_EQ(f->name, "main");
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ASSERT_EQ(f->params.Length(), 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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EXPECT_TRUE(f->return_type->Is<ast::Void>());
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}
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TEST_F(ParserImplTest, FunctionHeader_TrailingComma) {
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auto p = parser("fn main(a :i32,)");
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auto f = p->function_header();
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EXPECT_TRUE(f.matched);
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EXPECT_FALSE(f.errored);
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EXPECT_EQ(f->name, "main");
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ASSERT_EQ(f->params.Length(), 1u);
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EXPECT_EQ(f->params[0]->symbol, p->builder().Symbols().Get("a"));
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EXPECT_TRUE(f->return_type->Is<ast::Void>());
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}
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TEST_F(ParserImplTest, FunctionHeader_AttributeReturnType) {
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auto p = parser("fn main() -> @location(1) f32");
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auto f = p->function_header();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(f.matched);
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EXPECT_FALSE(f.errored);
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EXPECT_EQ(f->name, "main");
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EXPECT_EQ(f->params.Length(), 0u);
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EXPECT_TRUE(f->return_type->Is<ast::F32>());
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ASSERT_EQ(f->return_type_attributes.Length(), 1u);
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auto* loc = f->return_type_attributes[0]->As<ast::LocationAttribute>();
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ASSERT_TRUE(loc != nullptr);
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ASSERT_TRUE(loc->expr->Is<ast::IntLiteralExpression>());
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auto* exp = loc->expr->As<ast::IntLiteralExpression>();
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EXPECT_EQ(exp->value, 1u);
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}
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TEST_F(ParserImplTest, FunctionHeader_InvariantReturnType) {
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auto p = parser("fn main() -> @invariant f32");
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auto f = p->function_header();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(f.matched);
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EXPECT_FALSE(f.errored);
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EXPECT_EQ(f->name, "main");
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EXPECT_EQ(f->params.Length(), 0u);
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EXPECT_TRUE(f->return_type->Is<ast::F32>());
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ASSERT_EQ(f->return_type_attributes.Length(), 1u);
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EXPECT_TRUE(f->return_type_attributes[0]->Is<ast::InvariantAttribute>());
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}
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TEST_F(ParserImplTest, FunctionHeader_MissingIdent) {
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auto p = parser("fn ()");
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auto f = p->function_header();
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(f.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:4: expected identifier for function declaration");
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}
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TEST_F(ParserImplTest, FunctionHeader_InvalidIdent) {
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auto p = parser("fn 133main() -> i32");
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auto f = p->function_header();
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(f.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:4: expected identifier for function declaration");
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}
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TEST_F(ParserImplTest, FunctionHeader_MissingParenLeft) {
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auto p = parser("fn main) -> i32");
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auto f = p->function_header();
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(f.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:8: expected '(' for function declaration");
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}
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TEST_F(ParserImplTest, FunctionHeader_InvalidParamList) {
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auto p = parser("fn main(a :i32, ,) -> i32");
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auto f = p->function_header();
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(f.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:17: expected ')' for function declaration");
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}
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TEST_F(ParserImplTest, FunctionHeader_MissingParenRight) {
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auto p = parser("fn main( -> i32");
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auto f = p->function_header();
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(f.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:10: expected ')' for function declaration");
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}
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TEST_F(ParserImplTest, FunctionHeader_MissingReturnType) {
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auto p = parser("fn main() ->");
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auto f = p->function_header();
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EXPECT_FALSE(f.matched);
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EXPECT_TRUE(f.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:13: unable to determine function return type");
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}
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} // namespace
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} // namespace tint::reader::wgsl
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