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/* -----------------------------------------------------------------------------
*
* (c) The GHC Team, 1995-2023
*
* Interface to the RTS's flag parser
*
* Do not #include this file directly: #include "Rts.h" instead.
*
* To understand the structure of the RTS headers, see the wiki:
* https://gitlab.haskell.org/ghc/ghc/wikis/commentary/source-tree/includes
*
* ---------------------------------------------------------------------------*/
#pragma once
#include <stdbool.h>
#include "stg/Types.h"
// order is important - do not sort
typedef enum _RtsFlagKey {
HELP,
INSTALL_SIGNAL_HANDLERS,
INSTALL_SEH_HANDLERS,
GENERATE_STACK_TRACES,
GENERATE_CRASH_DUMPS,
NULL_EVENTLOG_WRITER,
MACHINE_READABLE,
DISABLE_OS_MEM_RET,
INTERNAL_COUNTERS,
IO_MANAGER_FLAG,
INFO,
EVENTLOG_FLUSH_INTERVAL,
COPYING_GC,
NONMOVING_GC,
LARGE_OBJ_ALLOC_AREA,
MIN_ALLOC_AREA,
GC_BELL,
// #if defined(THREADED_RTS)
// #if defined(mingw32_HOST_OS)
IO_MANAGER_THREADS,
// #endif
NUMA,
// #endif
// #if defined(DEBUG) && defined(THREADED_RTS)
DEBUG_NUMA,
// #endif
LONG_GC_SYNC,
NO_AUTO_HEAP_SAMPLES,
NURSERY_CHUNK_SIZE,
COMPACT_GC,
USE_MARK_REGION,
OLD_GEN_FACTOR,
RETURN_DECAY_FACTOR,
// #if defined(DEBUG)
DEBUG_SCHEDULER,
DEBUG_INTERPRETER,
DEBUG_WEAK,
DEBUG_GCCAFS,
DEBUG_GC,
DEBUG_NONMOVING_GC,
DEBUG_BLOCK_ALLOC,
DEBUG_SANITY,
DEBUG_ZERO_IN_GC,
DEBUG_STABLE,
DEBUG_PROF,
DEBUG_LINKER,
DEBUG_LINKER_VERBOSE,
DEBUG_APPLY,
DEBUG_STM,
DEBUG_SQUEEZE,
DEBUG_HPC,
DEBUG_SPARKS,
DEBUG_COMPACT,
// #endif
MAX_STACK_SIZE,
STACK_CHUNK_SIZE,
STACK_CHUNK_BUFFER_SIZE,
STACK_INITIAL_SIZE,
HEAP_LIMIT_GRACE,
HEAP_LIMIT_SIZE,
UNKNOWN_RTS_OPTION,
} RtsFlagKey;
typedef enum _RtsFlagValueType {
VOID,
BOOL,
ENUM,
DOUBLE,
STGWORD64,
} RtsFlagValueType;
typedef struct _RtsFlagName {
bool optionSafe;
RtsFlagValueType valueType;
char* longName;
char* shortName;
bool valueRequired;
} RtsFlagName;
typedef struct _FlagValue {
RtsFlagKey key;
union {
bool boolean;
double _double;
int _enum;
char* text;
StgWord64 stgWord64;
} as;
} RtsFlagValue;
#define NO_VAL(flagKey) ((RtsFlagValue){flagKey, {.text = "VOID"}})
#define BOOL_VAL(flagKey, value) ((RtsFlagValue){flagKey, {.boolean = value}})
#define ENUM_VAL(flagKey, value) ((RtsFlagValue){flagKey, {._enum = value}})
#define DOUBLE_VAL(flagKey, value) ((RtsFlagValue){flagKey, {._double = value}})
#define STGWORD64_VAL(flagKey, value) ((RtsFlagValue){flagKey, {.stgWord64 = value}})
#define IS_VOID(flagKey) ()
extern RtsFlagName rtsFlags[];
RtsFlagValue parseArg(char *arg, bool *error);
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