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88fea2a9c3
This CL updates the WGSL generator to use utils::StringStream internally. Bug: tint:1686 Change-Id: I7387a583f9cba3c6a955f5be376adc141e3ee394 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/121941 Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
79 lines
3.1 KiB
C++
79 lines
3.1 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/utils/string_stream.h"
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#include "src/tint/writer/wgsl/test_helper.h"
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namespace tint::writer::wgsl {
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namespace {
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struct BinaryData {
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const char* result;
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ast::BinaryOp op;
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};
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inline std::ostream& operator<<(std::ostream& out, BinaryData data) {
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out << data.op;
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return out;
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}
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using WgslBinaryTest = TestParamHelper<BinaryData>;
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TEST_P(WgslBinaryTest, Emit) {
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auto params = GetParam();
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auto op_ty = [&]() {
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if (params.op == ast::BinaryOp::kLogicalAnd || params.op == ast::BinaryOp::kLogicalOr) {
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return ty.bool_();
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} else {
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return ty.u32();
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}
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};
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GlobalVar("left", op_ty(), builtin::AddressSpace::kPrivate);
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GlobalVar("right", op_ty(), builtin::AddressSpace::kPrivate);
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auto* left = Expr("left");
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auto* right = Expr("right");
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auto* expr = create<ast::BinaryExpression>(params.op, left, right);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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utils::StringStream out;
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ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), params.result);
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}
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INSTANTIATE_TEST_SUITE_P(
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WgslGeneratorImplTest,
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WgslBinaryTest,
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testing::Values(BinaryData{"(left & right)", ast::BinaryOp::kAnd},
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BinaryData{"(left | right)", ast::BinaryOp::kOr},
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BinaryData{"(left ^ right)", ast::BinaryOp::kXor},
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BinaryData{"(left && right)", ast::BinaryOp::kLogicalAnd},
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BinaryData{"(left || right)", ast::BinaryOp::kLogicalOr},
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BinaryData{"(left == right)", ast::BinaryOp::kEqual},
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BinaryData{"(left != right)", ast::BinaryOp::kNotEqual},
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BinaryData{"(left < right)", ast::BinaryOp::kLessThan},
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BinaryData{"(left > right)", ast::BinaryOp::kGreaterThan},
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BinaryData{"(left <= right)", ast::BinaryOp::kLessThanEqual},
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BinaryData{"(left >= right)", ast::BinaryOp::kGreaterThanEqual},
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BinaryData{"(left << right)", ast::BinaryOp::kShiftLeft},
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BinaryData{"(left >> right)", ast::BinaryOp::kShiftRight},
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BinaryData{"(left + right)", ast::BinaryOp::kAdd},
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BinaryData{"(left - right)", ast::BinaryOp::kSubtract},
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BinaryData{"(left * right)", ast::BinaryOp::kMultiply},
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BinaryData{"(left / right)", ast::BinaryOp::kDivide},
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BinaryData{"(left % right)", ast::BinaryOp::kModulo}));
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} // namespace
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} // namespace tint::writer::wgsl
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