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https://github.com/encounter/dawn-cmake.git
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ab5dfee240
And use it for the non-ParserImpl::expect_xxx() methods. Another step towards supporting multiple error messages, as the caller can now test to see if the specific call errored, or didn't match, instead of using a global error state. Makes reading the control flow conditionals a bit easier too. Change-Id: Ie8627b8499ec9079167965da2a566401cd6bd903 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/32102 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: dan sinclair <dsinclair@chromium.org>
144 lines
4.7 KiB
C++
144 lines
4.7 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/statement.h"
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#include "src/ast/variable_decl_statement.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, VariableStmt_VariableDecl) {
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auto* p = parser("var a : i32;");
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auto e = p->variable_stmt();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_TRUE(e.value->IsVariableDecl());
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ASSERT_NE(e.value->variable(), nullptr);
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EXPECT_EQ(e.value->variable()->name(), "a");
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ASSERT_EQ(e.value->source().range.begin.line, 1u);
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ASSERT_EQ(e.value->source().range.begin.column, 5u);
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ASSERT_EQ(e.value->source().range.end.line, 1u);
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ASSERT_EQ(e.value->source().range.end.column, 6u);
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EXPECT_EQ(e.value->variable()->constructor(), nullptr);
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}
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TEST_F(ParserImplTest, VariableStmt_VariableDecl_WithInit) {
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auto* p = parser("var a : i32 = 1;");
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auto e = p->variable_stmt();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_TRUE(e.value->IsVariableDecl());
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ASSERT_NE(e.value->variable(), nullptr);
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EXPECT_EQ(e.value->variable()->name(), "a");
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ASSERT_EQ(e.value->source().range.begin.line, 1u);
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ASSERT_EQ(e.value->source().range.begin.column, 5u);
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ASSERT_EQ(e.value->source().range.end.line, 1u);
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ASSERT_EQ(e.value->source().range.end.column, 6u);
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ASSERT_NE(e.value->variable()->constructor(), nullptr);
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EXPECT_TRUE(e.value->variable()->constructor()->IsConstructor());
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}
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TEST_F(ParserImplTest, VariableStmt_VariableDecl_Invalid) {
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auto* p = parser("var a : invalid;");
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auto e = p->variable_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:9: unknown constructed type 'invalid'");
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}
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TEST_F(ParserImplTest, VariableStmt_VariableDecl_ConstructorInvalid) {
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auto* p = parser("var a : i32 = if(a) {}");
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auto e = p->variable_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:15: missing constructor for variable declaration");
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}
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TEST_F(ParserImplTest, VariableStmt_Const) {
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auto* p = parser("const a : i32 = 1");
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auto e = p->variable_stmt();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_TRUE(e.value->IsVariableDecl());
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ASSERT_EQ(e.value->source().range.begin.line, 1u);
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ASSERT_EQ(e.value->source().range.begin.column, 7u);
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ASSERT_EQ(e.value->source().range.end.line, 1u);
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ASSERT_EQ(e.value->source().range.end.column, 8u);
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}
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TEST_F(ParserImplTest, VariableStmt_Const_InvalidVarIdent) {
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auto* p = parser("const a : invalid = 1");
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auto e = p->variable_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:11: unknown constructed type 'invalid'");
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}
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TEST_F(ParserImplTest, VariableStmt_Const_MissingEqual) {
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auto* p = parser("const a : i32 1");
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auto e = p->variable_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:15: expected '=' for constant declaration");
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}
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TEST_F(ParserImplTest, VariableStmt_Const_MissingConstructor) {
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auto* p = parser("const a : i32 =");
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auto e = p->variable_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:16: missing constructor for const declaration");
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}
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TEST_F(ParserImplTest, VariableStmt_Const_InvalidConstructor) {
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auto* p = parser("const a : i32 = if (a) {}");
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auto e = p->variable_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:17: missing constructor for const declaration");
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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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