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https://github.com/dart-lang/sdk
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8740a4f10f
Our current unit testing infrastructure does not make it possible to test AOT compilation pipeline end-to-end, because it does not run TFA when generating Kernel. This makes it challenging to write regression tests for certain issues. Instead we extend test runner with a capability to perform IL matching when running AOT tests. runtime/docs/infa/il_tests.md provides details on how to write such tests. TEST=manually Change-Id: I6f5220b814f4a5d8c053efacd3711df495dea404 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/214961 Commit-Queue: Slava Egorov <vegorov@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com>
101 lines
2.3 KiB
C++
101 lines
2.3 KiB
C++
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_LOG_H_
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#define RUNTIME_VM_LOG_H_
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#include "vm/allocation.h"
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#include "vm/growable_array.h"
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#include "vm/os.h"
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namespace dart {
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class IsolateGroup;
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class LogBlock;
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#if defined(_MSC_VER)
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#define THR_Print(format, ...) Log::Current()->Print(format, __VA_ARGS__)
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#else
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#define THR_Print(format, ...) Log::Current()->Print(format, ##__VA_ARGS__)
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#endif
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#define THR_VPrint(format, args) Log::Current()->VPrint(format, args)
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typedef void (*LogPrinter)(const char* data);
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class Log {
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public:
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explicit Log(LogPrinter printer = nullptr);
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~Log();
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static Log* Current();
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// Append a formatted string to the log.
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void Print(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
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void VPrint(const char* format, va_list args);
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// Flush and truncate the log. The log is flushed starting at cursor
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// and truncated to cursor afterwards.
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void Flush(const intptr_t cursor = 0);
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// Clears the log.
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void Clear();
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// Current cursor.
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intptr_t cursor() const;
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// A logger that does nothing.
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static Log* NoOpLog();
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private:
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void TerminateString();
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void EnableManualFlush();
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void DisableManualFlush(const intptr_t cursor);
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// Returns true when flush is required.
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bool ShouldFlush() const;
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// Returns false if we should drop log messages related to 'isolate'.
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static bool ShouldLogForIsolateGroup(const IsolateGroup* isolate);
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static Log noop_log_;
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LogPrinter printer_;
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intptr_t manual_flush_;
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MallocGrowableArray<char> buffer_;
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friend class LogBlock;
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friend class LogTestHelper;
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DISALLOW_COPY_AND_ASSIGN(Log);
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};
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// Causes all log messages to be buffered until destructor is called.
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// Can be nested.
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class LogBlock : public StackResource {
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public:
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LogBlock(ThreadState* thread, Log* log)
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: StackResource(thread), log_(log), cursor_(log->cursor()) {
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Initialize();
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}
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LogBlock()
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: StackResource(ThreadState::Current()),
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log_(Log::Current()),
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cursor_(Log::Current()->cursor()) {
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Initialize();
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}
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~LogBlock();
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private:
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void Initialize();
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Log* const log_;
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const intptr_t cursor_;
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};
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} // namespace dart
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#endif // RUNTIME_VM_LOG_H_
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