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a6b9a8eb2f
Program is now immutable*, and remains part of the public Tint interface. ProgramBuilder is the mutable builder for Programs, and is not part of the public Tint interface. ast::Builder has been folded into ProgramBuilder. Immutable Programs can be cloned into a mutable ProgramBuilder with Program::CloneAsBuilder(). Mutable ProgramBuilders can be moved into immutable Programs. * - mostly immutable. It still has a move constructor and move assignment operator - required for practical usage - and the semantic information on AST nodes is still mutable. Bug: tint:390 Change-Id: Ia856c50b1880c2f95c91467a9eef5024cbc380c6 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38240 Reviewed-by: dan sinclair <dsinclair@chromium.org>
98 lines
3.0 KiB
C++
98 lines
3.0 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 "gtest/gtest.h"
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#include "src/ast/binary_expression.h"
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#include "src/ast/call_expression.h"
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#include "src/ast/call_statement.h"
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#include "src/ast/identifier_expression.h"
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#include "src/reader/wgsl/parser_impl.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, Statement_Call) {
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auto p = parser("a();");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::CallStatement>());
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auto* c = e->As<ast::CallStatement>()->expr();
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ASSERT_TRUE(c->func()->Is<ast::IdentifierExpression>());
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auto* ident = c->func()->As<ast::IdentifierExpression>();
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EXPECT_EQ(ident->symbol(), p->builder().Symbols().Get("a"));
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EXPECT_EQ(c->params().size(), 0u);
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}
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TEST_F(ParserImplTest, Statement_Call_WithParams) {
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auto p = parser("a(1, b, 2 + 3 / b);");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::CallStatement>());
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auto* c = e->As<ast::CallStatement>()->expr();
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ASSERT_TRUE(c->func()->Is<ast::IdentifierExpression>());
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auto* ident = c->func()->As<ast::IdentifierExpression>();
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EXPECT_EQ(ident->symbol(), p->builder().Symbols().Get("a"));
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EXPECT_EQ(c->params().size(), 3u);
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EXPECT_TRUE(c->params()[0]->Is<ast::ConstructorExpression>());
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EXPECT_TRUE(c->params()[1]->Is<ast::IdentifierExpression>());
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EXPECT_TRUE(c->params()[2]->Is<ast::BinaryExpression>());
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}
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TEST_F(ParserImplTest, Statement_Call_Missing_RightParen) {
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auto p = parser("a(");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(p->error(), "1:3: expected ')' for call statement");
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}
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TEST_F(ParserImplTest, Statement_Call_Missing_Semi) {
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auto p = parser("a()");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(p->error(), "1:4: expected ';' for function call");
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}
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TEST_F(ParserImplTest, Statement_Call_Bad_ArgList) {
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auto p = parser("a(b c);");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(p->error(), "1:5: expected ')' for call statement");
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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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