globle void Facts( const char *logicalName, void *vTheModule, long long start, long long end, long long max) { EnvFacts(GetCurrentEnvironment(),logicalName,vTheModule,start,end,max); }
globle void FactsCommand( void *theEnv) { int argumentCount; long long start = UNSPECIFIED, end = UNSPECIFIED, max = UNSPECIFIED; struct defmodule *theModule; DATA_OBJECT theValue; int argOffset; /*=========================================================*/ /* Determine the number of arguments to the facts command. */ /*=========================================================*/ if ((argumentCount = EnvArgCountCheck(theEnv,(char*)"facts",NO_MORE_THAN,4)) == -1) return; /*==================================*/ /* The default module for the facts */ /* command is the current module. */ /*==================================*/ theModule = ((struct defmodule *) EnvGetCurrentModule(theEnv)); /*==========================================*/ /* If no arguments were specified, then use */ /* the default values to list the facts. */ /*==========================================*/ if (argumentCount == 0) { EnvFacts(theEnv,WDISPLAY,theModule,start,end,max); return; } /*========================================================*/ /* Since there are one or more arguments, see if a module */ /* or start index was specified as the first argument. */ /*========================================================*/ EnvRtnUnknown(theEnv,1,&theValue); /*===============================================*/ /* If the first argument is a symbol, then check */ /* to see that a valid module was specified. */ /*===============================================*/ if (theValue.type == SYMBOL) { theModule = (struct defmodule *) EnvFindDefmodule(theEnv,ValueToString(theValue.value)); if ((theModule == NULL) && (strcmp(ValueToString(theValue.value),"*") != 0)) { SetEvaluationError(theEnv,TRUE); CantFindItemErrorMessage(theEnv,(char*)"defmodule",ValueToString(theValue.value)); return; } if ((start = GetFactsArgument(theEnv,2,argumentCount)) == INVALID) return; argOffset = 1; } /*================================================*/ /* Otherwise if the first argument is an integer, */ /* check to see that a valid index was specified. */ /*================================================*/ else if (theValue.type == INTEGER) { start = DOToLong(theValue); if (start < 0) { ExpectedTypeError1(theEnv,(char*)"facts",1,(char*)"symbol or positive number"); SetHaltExecution(theEnv,TRUE); SetEvaluationError(theEnv,TRUE); return; } argOffset = 0; } /*==========================================*/ /* Otherwise the first argument is invalid. */ /*==========================================*/ else { ExpectedTypeError1(theEnv,(char*)"facts",1,(char*)"symbol or positive number"); SetHaltExecution(theEnv,TRUE); SetEvaluationError(theEnv,TRUE); return; } /*==========================*/ /* Get the other arguments. */ /*==========================*/ if ((end = GetFactsArgument(theEnv,2 + argOffset,argumentCount)) == INVALID) return; if ((max = GetFactsArgument(theEnv,3 + argOffset,argumentCount)) == INVALID) return; /*=================*/ /* List the facts. */ /*=================*/ EnvFacts(theEnv,WDISPLAY,theModule,start,end,max); }