/usr/include/clips/engine.h is in libclips-dev 6.24-3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* "C" Language Integrated Production System */
/* */
/* CLIPS Version 6.24 05/17/06 */
/* */
/* ENGINE HEADER FILE */
/*******************************************************/
/*************************************************************/
/* Purpose: Provides functionality primarily associated with */
/* the run and focus commands. */
/* */
/* Principal Programmer(s): */
/* Gary D. Riley */
/* */
/* Contributing Programmer(s): */
/* */
/* Revision History: */
/* 6.23: Corrected compilation errors for files */
/* generated by constructs-to-c. DR0861 */
/* */
/* 6.24: Removed INCREMENTAL_RESET and */
/* LOGICAL_DEPENDENCIES compilation flag. */
/* */
/* Renamed BOOLEAN macro type to intBool. */
/* */
/* Added access functions to the HaltRules flag. */
/* */
/* Added EnvGetNextFocus, EnvGetFocusChanged, and */
/* EnvSetFocusChanged functions. */
/* */
/*************************************************************/
#ifndef _H_engine
#define _H_engine
#ifndef _H_lgcldpnd
#include "lgcldpnd.h"
#endif
#ifndef _H_ruledef
#include "ruledef.h"
#endif
#ifndef _H_network
#include "network.h"
#endif
#ifndef _H_moduldef
#include "moduldef.h"
#endif
#ifndef _H_retract
#include "retract.h"
#endif
struct focus
{
struct defmodule *theModule;
struct defruleModule *theDefruleModule;
struct focus *next;
};
#define ENGINE_DATA 18
struct engineData
{
struct defrule *ExecutingRule;
intBool HaltRules;
struct joinNode *TheLogicalJoin;
struct dependency *UnsupportedDataEntities;
int alreadyEntered;
struct callFunctionItem *ListOfRunFunctions;
struct focus *CurrentFocus;
int FocusChanged;
#if DEBUGGING_FUNCTIONS
unsigned WatchStatistics;
unsigned WatchFocus;
#endif
intBool IncrementalResetInProgress;
intBool IncrementalResetFlag;
intBool JoinOperationInProgress;
struct partialMatch *GlobalLHSBinds;
struct partialMatch *GlobalRHSBinds;
struct joinNode *GlobalJoin;
struct rdriveinfo *DriveRetractionList;
struct partialMatch *GarbagePartialMatches;
struct alphaMatch *GarbageAlphaMatches;
int AlreadyRunning;
};
#define EngineData(theEnv) ((struct engineData *) GetEnvironmentData(theEnv,ENGINE_DATA))
#ifdef LOCALE
#undef LOCALE
#endif
#ifdef _ENGINE_SOURCE_
#define LOCALE
#else
#define LOCALE extern
#endif
/**************************************************************/
/* The GetFocus function is remapped under certain conditions */
/* because it conflicts with a Windows 3.1 function. */
/**************************************************************/
/*
#if ! ((GENERIC || IBM) && WINDOW_INTERFACE)
#define WRGetFocus GetFocus
#endif
*/
#define MAX_PATTERNS_CHECKED 64
#if ENVIRONMENT_API_ONLY
#define ClearFocusStack(theEnv) EnvClearFocusStack(theEnv)
#define DefruleHasBreakpoint(theEnv,a) EnvDefruleHasBreakpoint(theEnv,a)
#define Focus(theEnv,a) EnvFocus(theEnv,a)
#define GetFocus(theEnv) EnvGetFocus(theEnv)
#define GetFocusChanged(theEnv) EnvGetFocusChanged(theEnv)
#define GetFocusStack(theEnv,a) EnvGetFocusStack(theEnv,a)
#define GetNextFocus(theEnv,a) EnvGetNextFocus(theEnv,a)
#define ListFocusStack(theEnv,a) EnvListFocusStack(theEnv,a)
#define PopFocus(theEnv) EnvPopFocus(theEnv)
#define RemoveBreak(theEnv,a) EnvRemoveBreak(theEnv,a)
#define RemoveRunFunction(theEnv,a) EnvRemoveRunFunction(theEnv,a)
#define Run(theEnv,a) EnvRun(theEnv,a)
#define SetBreak(theEnv,a) EnvSetBreak(theEnv,a)
#define SetFocusChanged(theEnv,a) EnvSetFocusChanged(theEnv,a)
#define ShowBreaks(theEnv,a,b) EnvShowBreaks(theEnv,a,b)
#else
#define ClearFocusStack() EnvClearFocusStack(GetCurrentEnvironment())
#define DefruleHasBreakpoint(a) EnvDefruleHasBreakpoint(GetCurrentEnvironment(),a)
#define Focus(a) EnvFocus(GetCurrentEnvironment(),a)
#define GetFocus() EnvGetFocus(GetCurrentEnvironment())
#define GetFocusChanged() EnvGetFocusChanged(GetCurrentEnvironment())
#define GetFocusStack(a) EnvGetFocusStack(GetCurrentEnvironment(),a)
#define GetNextFocus(a) EnvGetNextFocus(GetCurrentEnvironment(),a)
#define ListFocusStack(a) EnvListFocusStack(GetCurrentEnvironment(),a)
#define PopFocus() EnvPopFocus(GetCurrentEnvironment())
#define RemoveBreak(a) EnvRemoveBreak(GetCurrentEnvironment(),a)
#define RemoveRunFunction(a) EnvRemoveRunFunction(GetCurrentEnvironment(),a)
#define Run(a) EnvRun(GetCurrentEnvironment(),a)
#define SetBreak(a) EnvSetBreak(GetCurrentEnvironment(),a)
#define SetFocusChanged(a) EnvSetFocusChanged(GetCurrentEnvironment(),a)
#define ShowBreaks(a,b) EnvShowBreaks(GetCurrentEnvironment(),a,b)
#endif
LOCALE intBool EnvAddRunFunction(void *,char *,
void (*)(void *),int);
LOCALE intBool AddRunFunction(char *,void (*)(void),int);
LOCALE long EnvRun(void *,long);
LOCALE intBool EnvRemoveRunFunction(void *,char *);
LOCALE void InitializeEngine(void *);
LOCALE void EnvSetBreak(void *,void *);
LOCALE intBool EnvRemoveBreak(void *,void *);
LOCALE void RemoveAllBreakpoints(void *);
LOCALE void EnvShowBreaks(void *,char *,void *);
LOCALE intBool EnvDefruleHasBreakpoint(void *,void *);
LOCALE void RunCommand(void *);
LOCALE void SetBreakCommand(void *);
LOCALE void RemoveBreakCommand(void *);
LOCALE void ShowBreaksCommand(void *);
LOCALE void HaltCommand(void *);
LOCALE int FocusCommand(void *);
LOCALE void ClearFocusStackCommand(void *);
LOCALE void EnvClearFocusStack(void *);
LOCALE void *EnvGetNextFocus(void *,void *);
LOCALE void EnvFocus(void *,void *);
LOCALE int EnvGetFocusChanged(void *);
LOCALE void EnvSetFocusChanged(void *,int);
LOCALE void ListFocusStackCommand(void *);
LOCALE void EnvListFocusStack(void *,char *);
LOCALE void GetFocusStackFunction(void *,DATA_OBJECT_PTR);
LOCALE void EnvGetFocusStack(void *,DATA_OBJECT_PTR);
LOCALE void *PopFocusFunction(void *);
LOCALE void *GetFocusFunction(void *);
LOCALE void *EnvPopFocus(void *);
LOCALE void *EnvGetFocus(void *);
LOCALE intBool EnvGetHaltRules(void *);
LOCALE void EnvSetHaltRules(void *,intBool);
#endif
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