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8ea5ecb056
Adjust usage of the ExecuteAndWait function to use the last argument which is the ErrMsg string. This is necessitated because this function no longer throws exceptions on error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29791 91177308-0d34-0410-b5e6-96231b3b80d8
207 lines
8.6 KiB
C++
207 lines
8.6 KiB
C++
//===- CompilerDriver.h - Compiler Driver -----------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Reid Spencer and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the CompilerDriver class which implements the bulk of the
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// LLVM Compiler Driver program (llvmc).
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVMC_COMPILERDRIVER_H
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#define LLVM_TOOLS_LLVMC_COMPILERDRIVER_H
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#include <string>
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#include <vector>
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#include "llvm/System/Program.h"
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namespace llvm {
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/// This class provides the high level interface to the LLVM Compiler Driver.
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/// The driver's purpose is to make it easier for compiler writers and users
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/// of LLVM to utilize the compiler toolkits and LLVM toolset by learning only
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/// the interface of one program (llvmc).
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///
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/// @see llvmc.cpp
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/// @brief The interface to the LLVM Compiler Driver.
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class CompilerDriver {
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/// @name Types
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/// @{
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public:
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/// @brief A vector of strings, used for argument lists
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typedef std::vector<std::string> StringVector;
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/// @brief A vector of sys::Path, used for path lists
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typedef std::vector<sys::Path> PathVector;
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/// @brief A table of strings, indexed typically by Phases
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typedef std::vector<StringVector> StringTable;
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/// @brief The phases of processing that llvmc understands
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enum Phases {
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PREPROCESSING, ///< Source language combining, filtering, substitution
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TRANSLATION, ///< Translate source -> LLVM bytecode/assembly
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OPTIMIZATION, ///< Optimize translation result
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ASSEMBLY, ///< Convert program to executable
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LINKING, ///< Link bytecode and native code
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NUM_PHASES ///< Always last!
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};
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/// @brief The levels of optimization llvmc understands
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enum OptimizationLevels {
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OPT_FAST_COMPILE, ///< Optimize to make >compile< go faster
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OPT_SIMPLE, ///< Standard/simple optimizations
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OPT_AGGRESSIVE, ///< Aggressive optimizations
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OPT_LINK_TIME, ///< Aggressive + LinkTime optimizations
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OPT_AGGRESSIVE_LINK_TIME, ///< Make it go way fast!
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OPT_NONE ///< No optimizations. Keep this at the end!
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};
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/// @brief Action specific flags
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enum ConfigurationFlags {
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REQUIRED_FLAG = 0x0001, ///< Should the action always be run?
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PREPROCESSES_FLAG = 0x0002, ///< Does this action preprocess?
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TRANSLATES_FLAG = 0x0004, ///< Does this action translate?
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OUTPUT_IS_ASM_FLAG = 0x0008, ///< Action produces .ll files?
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FLAGS_MASK = 0x000F ///< Union of all flags
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};
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/// This type is the input list to the CompilerDriver. It provides
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/// a vector of pathname/filetype pairs. The filetype is used to look up
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/// the configuration of the actions to be taken by the driver.
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/// @brief The Input Data to the execute method
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typedef std::vector<std::pair<sys::Path,std::string> > InputList;
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/// This type is read from configuration files or otherwise provided to
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/// the CompilerDriver through a "ConfigDataProvider". It serves as both
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/// the template of what to do and the actual Action to be executed.
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/// @brief A structure to hold the action data for a given source
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/// language.
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struct Action {
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Action() : flags(0) {}
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sys::Path program; ///< The program to execve
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StringVector args; ///< Arguments to the program
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unsigned flags; ///< Action specific flags
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void set(unsigned fl ) { flags |= fl; }
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void clear(unsigned fl) { flags &= (FLAGS_MASK ^ fl); }
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bool isSet(unsigned fl) { return (flags&fl) != 0; }
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};
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struct ConfigData {
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ConfigData();
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std::string version; ///< The version number.
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std::string langName; ///< The name of the source language
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StringTable opts; ///< The o10n options for each level
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StringVector libpaths; ///< The library paths
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Action PreProcessor; ///< PreProcessor command line
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Action Translator; ///< Translator command line
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Action Optimizer; ///< Optimizer command line
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Action Assembler; ///< Assembler command line
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Action Linker; ///< Linker command line
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};
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/// This pure virtual interface class defines the interface between the
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/// CompilerDriver and other software that provides ConfigData objects to
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/// it. The CompilerDriver must be configured to use an object of this
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/// type so it can obtain the configuration data.
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/// @see setConfigDataProvider
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/// @brief Configuration Data Provider interface
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class ConfigDataProvider {
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public:
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virtual ~ConfigDataProvider();
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virtual ConfigData* ProvideConfigData(const std::string& filetype) = 0;
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virtual void setConfigDir(const sys::Path& dirName) = 0;
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};
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/// These flags control various actions of the compiler driver. They are
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/// used by adding the needed flag values together and passing them to the
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/// compiler driver's setDriverFlags method.
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/// @see setDriverFlags
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/// @brief Driver specific flags
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enum DriverFlags {
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DRY_RUN_FLAG = 0x0001, ///< Do everything but execute actions
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VERBOSE_FLAG = 0x0002, ///< Print each action
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DEBUG_FLAG = 0x0004, ///< Print debug information
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TIME_PASSES_FLAG = 0x0008, ///< Time the passes as they execute
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TIME_ACTIONS_FLAG = 0x0010, ///< Time the actions as they execute
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SHOW_STATS_FLAG = 0x0020, ///< Show pass statistics
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EMIT_NATIVE_FLAG = 0x0040, ///< Emit native code instead of bc
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EMIT_RAW_FLAG = 0x0080, ///< Emit raw, unoptimized bytecode
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KEEP_TEMPS_FLAG = 0x0100, ///< Don't delete temporary files
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STRIP_OUTPUT_FLAG = 0x0200, ///< Strip symbols from linked output
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DRIVER_FLAGS_MASK = 0x03FF ///< Union of the above flags
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};
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/// @}
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/// @name Constructors
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/// @{
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public:
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/// @brief Static Constructor
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static CompilerDriver* Get(ConfigDataProvider& CDP);
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/// @brief Virtual destructor
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virtual ~CompilerDriver();
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/// @}
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/// @name Methods
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/// @{
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public:
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/// @brief Execute the actions requested for the given input list.
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virtual int execute(
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const InputList& list, const sys::Path& output, std::string& ErrMsg) =0;
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/// @brief Set the final phase at which compilation terminates
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virtual void setFinalPhase(Phases phase) = 0;
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/// @brief Set the optimization level for the compilation
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virtual void setOptimization(OptimizationLevels level) = 0;
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/// @brief Set the driver flags.
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virtual void setDriverFlags(unsigned flags) = 0;
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/// @brief Set the output machine name.
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virtual void setOutputMachine(const std::string& machineName) = 0;
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/// @brief Set the options for a given phase.
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virtual void setPhaseArgs(Phases phase, const StringVector& opts) = 0;
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/// @brief Set Library Paths
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virtual void setIncludePaths(const StringVector& paths) = 0;
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/// @brief Set Library Paths
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virtual void setSymbolDefines(const StringVector& paths) = 0;
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/// @brief Set Library Paths
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virtual void setLibraryPaths(const StringVector& paths) = 0;
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/// @brief Add a path to the list of library paths
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virtual void addLibraryPath( const sys::Path& libPath ) = 0;
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/// @brief Add a path to the list of paths in which to find tools
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virtual void addToolPath( const sys::Path& toolPath) = 0;
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/// @brief Set the list of -f options to be passed through
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virtual void setfPassThrough(const StringVector& fOpts) = 0;
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/// @brief Set the list of -M options to be passed through
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virtual void setMPassThrough(const StringVector& fOpts) = 0;
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/// @brief Set the list of -W options to be passed through
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virtual void setWPassThrough(const StringVector& fOpts) = 0;
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/// @brief Determine where a linkage file is located in the file system
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virtual sys::Path GetPathForLinkageItem(
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const std::string& link_item, ///< Item to be sought
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bool native = false ///< Looking for native?
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) = 0;
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/// @}
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};
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}
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// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
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#endif
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