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ffd28e2e1a
Describes what Tint system raised the diagnostic. Use this information in the fuzzers to distinguish between expected and unexpected failure cases in the Transform fuzzer tests. Fixed: chromium:1206407 Fixed: chromium:1207154 Change-Id: I3b807acafe384a2fc363d2a4165a29693450b3cf Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/55254 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
139 lines
4.6 KiB
C++
139 lines
4.6 KiB
C++
// Copyright 2021 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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#ifndef SRC_PROGRAM_ID_H_
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#define SRC_PROGRAM_ID_H_
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#include <stdint.h>
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#include <iostream>
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#include <utility>
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#include "src/debug.h"
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namespace tint {
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/// If 1 then checks are enabled that AST nodes are not leaked from one program
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/// to another.
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/// TODO(bclayton): We'll want to disable this in production builds. For now we
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/// always check.
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#define TINT_CHECK_FOR_CROSS_PROGRAM_LEAKS 1
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/// A ProgramID is a unique identifier of a Program.
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/// ProgramID can be used to ensure that objects referenced by the Program are
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/// owned exclusively by that Program and have accidentally not leaked from
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/// another Program.
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class ProgramID {
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public:
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/// Constructor
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ProgramID();
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/// @returns a new. globally unique ProgramID
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static ProgramID New();
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/// Equality operator
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/// @param rhs the other ProgramID
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/// @returns true if the ProgramIDs are equal
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bool operator==(const ProgramID& rhs) const { return val == rhs.val; }
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/// Inequality operator
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/// @param rhs the other ProgramID
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/// @returns true if the ProgramIDs are not equal
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bool operator!=(const ProgramID& rhs) const { return val != rhs.val; }
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/// @returns the numerical identifier value
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uint32_t Value() const { return val; }
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/// @returns true if this ProgramID is valid
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operator bool() const { return val != 0; }
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private:
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explicit ProgramID(uint32_t);
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uint32_t val = 0;
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};
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/// A simple pass-through function for ProgramID. Intended to be overloaded for
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/// other types.
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/// @param id a ProgramID
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/// @returns id. Simple pass-through function
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inline ProgramID ProgramIDOf(ProgramID id) {
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return id;
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}
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/// Writes the ProgramID to the std::ostream.
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/// @param out the std::ostream to write to
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/// @param id the program identifier to write
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/// @returns out so calls can be chained
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inline std::ostream& operator<<(std::ostream& out, ProgramID id) {
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out << "Program<" << id.Value() << ">";
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return out;
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}
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namespace detail {
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/// AssertProgramIDsEqual is called by TINT_ASSERT_PROGRAM_IDS_EQUAL() and
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/// TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID() to assert that the ProgramIDs of
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/// `a` and `b` are equal.
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template <typename A, typename B>
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void AssertProgramIDsEqual(A&& a,
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B&& b,
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bool if_valid,
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diag::System system,
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const char* msg,
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const char* file,
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size_t line) {
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auto a_id = ProgramIDOf(std::forward<A>(a));
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auto b_id = ProgramIDOf(std::forward<B>(b));
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if (a_id == b_id) {
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return; // matched
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}
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if (if_valid && (!a_id || !b_id)) {
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return; // a or b were not valid
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}
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diag::List diagnostics;
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tint::InternalCompilerError(file, line, system, diagnostics) << msg;
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}
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} // namespace detail
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/// TINT_ASSERT_PROGRAM_IDS_EQUAL(SYSTEM, A, B) is a macro that asserts that the
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/// program identifiers for A and B are equal.
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///
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/// TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(SYSTEM, A, B) is a macro that asserts
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/// that the program identifiers for A and B are equal, if both A and B have
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/// valid program identifiers.
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#if TINT_CHECK_FOR_CROSS_PROGRAM_LEAKS
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#define TINT_ASSERT_PROGRAM_IDS_EQUAL(system, a, b) \
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detail::AssertProgramIDsEqual(a, b, false, tint::diag::System::system, \
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"TINT_ASSERT_PROGRAM_IDS_EQUAL(" #system \
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"," #a ", " #b ")", \
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__FILE__, __LINE__)
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#define TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(system, a, b) \
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detail::AssertProgramIDsEqual( \
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a, b, true, tint::diag::System::system, \
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"TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(" #system ", " #a ", " #b ")", \
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__FILE__, __LINE__)
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#else
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#define TINT_ASSERT_PROGRAM_IDS_EQUAL(a, b) \
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do { \
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} while (false)
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#define TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(a, b) \
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do { \
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} while (false)
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#endif
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} // namespace tint
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#endif // SRC_PROGRAM_ID_H_
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