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For every global pattern binding, emit a lazy initializer token and function that initializes the global variables in that binding. For each of those vars, create an accessor that Builtin.once's the lazy initializer before producing the address. Hide this all behind a switch till the surrounding serialization and IRGen infrastructure catches up. Swift SVN r10511
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
//===--- LangOptions.h - Language & configuration options -------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the LangOptions class, which provides various
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// language and configuration flags.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_LANGOPTIONS_H
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#define SWIFT_LANGOPTIONS_H
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namespace swift {
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/// \brief A collection of options that affect the language dialect and
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/// provide compiler debugging facilities.
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class LangOptions {
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public:
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/// \brief Whether we are debugging the constraint solver.
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///
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/// This option enables verbose debugging output from the constraint
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/// solver.
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bool DebugConstraintSolver = false;
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/// \brief Perform all dynamic allocations using malloc/free instead of
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/// optimized custom allocator, so that memory debugging tools can be used.
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bool UseMalloc = false;
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/// \brief Enable codegen of lazy global initializers in SILGen.
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bool EmitLazyGlobalInitializers = false;
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};
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}
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#endif // LLVM_SWIFT_LANGOPTIONS_H
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