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/*******************************************************/
/* "C" Language Integrated Production System */
/* */
/* CLIPS Version 6.20 01/31/02 */
/* */
/* */
/*******************************************************/
/*************************************************************/
/* Purpose: Generic Function Construct Compiler Code */
/* */
/* Principal Programmer(s): */
/* Brian L. Donnell */
/* */
/* Contributing Programmer(s): */
/* */
/* Revision History: */
/* */
/*************************************************************/
/* =========================================
*****************************************
EXTERNAL DEFINITIONS
=========================================
***************************************** */
#include "setup.h"
#if DEFFUNCTION_CONSTRUCT && CONSTRUCT_COMPILER && (! RUN_TIME)
#include "conscomp.h"
#include "envrnmnt.h"
#define _DFFNXCMP_SOURCE_
#include "dffnxcmp.h"
/* =========================================
*****************************************
INTERNALLY VISIBLE FUNCTION HEADERS
=========================================
***************************************** */
static void ReadyDeffunctionsForCode(void *);
static int DeffunctionsToCode(void *,char *,int,FILE *,int,int);
static void CloseDeffunctionFiles(void *,FILE *,FILE *,int);
static void DeffunctionModuleToCode(void *,FILE *,struct defmodule *,int,int);
static void SingleDeffunctionToCode(void *,FILE *,DEFFUNCTION *,int,int,int);
/* =========================================
*****************************************
EXTERNALLY VISIBLE FUNCTIONS
=========================================
***************************************** */
/***************************************************
NAME : SetupDeffunctionCompiler
DESCRIPTION : Initializes the construct compiler
item for deffunctions
INPUTS : None
RETURNS : Nothing useful
SIDE EFFECTS : Code generator item initialized
NOTES : None
***************************************************/
globle void SetupDeffunctionCompiler(
void *theEnv)
{
DeffunctionData(theEnv)->DeffunctionCodeItem = AddCodeGeneratorItem(theEnv,"deffunctions",0,ReadyDeffunctionsForCode,
NULL,DeffunctionsToCode,2);
}
/***************************************************
NAME : PrintDeffunctionReference
DESCRIPTION : Prints a reference to the run-time
deffunction array for the construct
compiler
INPUTS : 1) The file output destination
2) A pointer to the deffunction
3) The id of the run-time image
4) The maximum number of indices
in any array
RETURNS : Nothing useful
SIDE EFFECTS : Reference printed
NOTES : None
***************************************************/
globle void PrintDeffunctionReference(
void *theEnv,
FILE *fp,
DEFFUNCTION *dfPtr,
int imageID,
int maxIndices)
{
if (dfPtr == NULL)
fprintf(fp,"NULL");
else
fprintf(fp,"&%s%d_%d[%d]",ConstructPrefix(DeffunctionData(theEnv)->DeffunctionCodeItem),imageID,
(int) ((dfPtr->header.bsaveID / maxIndices) + 1),
(int) (dfPtr->header.bsaveID % maxIndices));
}
/****************************************************
NAME : DeffunctionCModuleReference
DESCRIPTION : Prints out a reference to a
deffunction module
INPUTS : 1) The output file
2) The id of the module item
3) The id of the image
4) The maximum number of elements
allowed in an array
RETURNS : Nothing useful
SIDE EFFECTS : Deffunction module reference printed
NOTES : None
****************************************************/
globle void DeffunctionCModuleReference(
void *theEnv,
FILE *theFile,
int count,
int imageID,
int maxIndices)
{
fprintf(theFile,"MIHS &%s%d_%d[%d]",
ModulePrefix(DeffunctionData(theEnv)->DeffunctionCodeItem),
imageID,
(count / maxIndices) + 1,
(count % maxIndices));
}
/* =========================================
*****************************************
INTERNALLY VISIBLE FUNCTIONS
=========================================
***************************************** */
/***************************************************
NAME : ReadyDeffunctionsForCode
DESCRIPTION : Sets index of deffunctions
for use in compiled expressions
INPUTS : None
RETURNS : Nothing useful
SIDE EFFECTS : BsaveIndices set
NOTES : None
***************************************************/
static void ReadyDeffunctionsForCode(
void *theEnv)
{
MarkConstructBsaveIDs(theEnv,DeffunctionData(theEnv)->DeffunctionModuleIndex);
}
/*******************************************************
NAME : DeffunctionsToCode
DESCRIPTION : Writes out static array code for
deffunctions
INPUTS : 1) The base name of the construct set
2) The base id for this construct
3) The file pointer for the header file
4) The base id for the construct set
5) The max number of indices allowed
in an array
RETURNS : -1 if no deffunctions, 0 on errors,
1 if deffunctions written
SIDE EFFECTS : Code written to files
NOTES : None
*******************************************************/
static int DeffunctionsToCode(
void *theEnv,
char *fileName,
int fileID,
FILE *headerFP,
int imageID,
int maxIndices)
{
int fileCount = 1;
struct defmodule *theModule;
DEFFUNCTION *theDeffunction;
int moduleCount = 0, moduleArrayCount = 0, moduleArrayVersion = 1;
int deffunctionArrayCount = 0, deffunctionArrayVersion = 1;
FILE *moduleFile = NULL, *deffunctionFile = NULL;
/* ===============================================
Include the appropriate deffunction header file
=============================================== */
fprintf(headerFP,"#include \"dffnxfun.h\"\n");
/* =============================================================
Loop through all the modules and all the deffunctions writing
their C code representation to the file as they are traversed
============================================================= */
theModule = (struct defmodule *) EnvGetNextDefmodule(theEnv,NULL);
while (theModule != NULL)
{
EnvSetCurrentModule(theEnv,(void *) theModule);
moduleFile = OpenFileIfNeeded(theEnv,moduleFile,fileName,fileID,imageID,&fileCount,
moduleArrayVersion,headerFP,
"DEFFUNCTION_MODULE",ModulePrefix(DeffunctionData(theEnv)->DeffunctionCodeItem),
FALSE,NULL);
if (moduleFile == NULL)
{
CloseDeffunctionFiles(theEnv,moduleFile,deffunctionFile,maxIndices);
return(0);
}
DeffunctionModuleToCode(theEnv,moduleFile,theModule,imageID,maxIndices);
moduleFile = CloseFileIfNeeded(theEnv,moduleFile,&moduleArrayCount,&moduleArrayVersion,
maxIndices,NULL,NULL);
theDeffunction = (DEFFUNCTION *) EnvGetNextDeffunction(theEnv,NULL);
while (theDeffunction != NULL)
{
deffunctionFile = OpenFileIfNeeded(theEnv,deffunctionFile,fileName,fileID,imageID,&fileCount,
deffunctionArrayVersion,headerFP,
"DEFFUNCTION",ConstructPrefix(DeffunctionData(theEnv)->DeffunctionCodeItem),
FALSE,NULL);
if (deffunctionFile == NULL)
{
CloseDeffunctionFiles(theEnv,moduleFile,deffunctionFile,maxIndices);
return(0);
}
SingleDeffunctionToCode(theEnv,deffunctionFile,theDeffunction,imageID,
maxIndices,moduleCount);
deffunctionArrayCount++;
deffunctionFile = CloseFileIfNeeded(theEnv,deffunctionFile,&deffunctionArrayCount,
&deffunctionArrayVersion,maxIndices,NULL,NULL);
theDeffunction = (DEFFUNCTION *) EnvGetNextDeffunction(theEnv,theDeffunction);
}
theModule = (struct defmodule *) EnvGetNextDefmodule(theEnv,theModule);
moduleCount++;
moduleArrayCount++;
}
CloseDeffunctionFiles(theEnv,moduleFile,deffunctionFile,maxIndices);
return(1);
}
/***************************************************
NAME : CloseDeffunctionFiles
DESCRIPTION : Closes construct compiler files
for deffunction structures
INPUTS : 1) The deffunction module file
2) The deffunction structure file
3) The maximum number of indices
allowed in an array
RETURNS : Nothing useful
SIDE EFFECTS : Files closed
NOTES : None
***************************************************/
static void CloseDeffunctionFiles(
void *theEnv,
FILE *moduleFile,
FILE *deffunctionFile,
int maxIndices)
{
int count = maxIndices;
int arrayVersion = 0;
if (deffunctionFile != NULL)
{
count = maxIndices;
CloseFileIfNeeded(theEnv,deffunctionFile,&count,&arrayVersion,maxIndices,NULL,NULL);
}
if (moduleFile != NULL)
{
count = maxIndices;
CloseFileIfNeeded(theEnv,moduleFile,&count,&arrayVersion,maxIndices,NULL,NULL);
}
}
/***************************************************
NAME : DeffunctionModuleToCode
DESCRIPTION : Writes out the C values for a
deffunction module item
INPUTS : 1) The output file
2) The module for the deffunctions
3) The compile image id
4) The maximum number of elements
in an array
RETURNS : Nothing useful
SIDE EFFECTS : Deffunction module item written
NOTES : None
***************************************************/
static void DeffunctionModuleToCode(
void *theEnv,
FILE *theFile,
struct defmodule *theModule,
int imageID,
int maxIndices)
{
fprintf(theFile,"{");
ConstructModuleToCode(theEnv,theFile,theModule,imageID,maxIndices,
DeffunctionData(theEnv)->DeffunctionModuleIndex,ConstructPrefix(DeffunctionData(theEnv)->DeffunctionCodeItem));
fprintf(theFile,"}");
}
/***************************************************
NAME : SingleDeffunctionToCode
DESCRIPTION : Writes out a single deffunction's
data to the file
INPUTS : 1) The output file
2) The deffunction
3) The compile image id
4) The maximum number of
elements in an array
5) The module index
RETURNS : Nothing useful
SIDE EFFECTS : Deffunction data written
NOTES : None
***************************************************/
static void SingleDeffunctionToCode(
void *theEnv,
FILE *theFile,
DEFFUNCTION *theDeffunction,
int imageID,
int maxIndices,
int moduleCount)
{
/* ==================
Deffunction Header
================== */
fprintf(theFile,"{");
ConstructHeaderToCode(theEnv,theFile,&theDeffunction->header,imageID,maxIndices,moduleCount,
ModulePrefix(DeffunctionData(theEnv)->DeffunctionCodeItem),
ConstructPrefix(DeffunctionData(theEnv)->DeffunctionCodeItem));
/* =========================
Deffunction specific data
========================= */
fprintf(theFile,",0,0,0,");
ExpressionToCode(theEnv,theFile,theDeffunction->code);
fprintf(theFile,",%d,%d,%d",
theDeffunction->minNumberOfParameters,
theDeffunction->maxNumberOfParameters,
theDeffunction->numberOfLocalVars);
fprintf(theFile,"}");
}
#endif
/***************************************************
NAME :
DESCRIPTION :
INPUTS :
RETURNS :
SIDE EFFECTS :
NOTES :
***************************************************/
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