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CGInputSignal.cpp
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CGInputSignal.cpp
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/****************************************************************************
* Modul: $RCSfile: CGInputSignal.cpp,v $
*
* $Author: md $
* $Date: 1998/01/14 10:59:58 $
* $Revision: 1.2 $
*
* Aufgabe: Dieses Modul enthaelt Hilfsfunktionen
* Funktionen:
****************************************************************************/
#ifdef USE_PRAGMA
#pragma interface
#endif
/****************************************************************************
* Konstanten
****************************************************************************/
/****************************************************************************
* Include-Anweisungen
****************************************************************************/
#include <DS/DSString.h>
#include <DS/DSSignal.h>
#include <DS/DSVariable.h>
#include <DS/DSVariableAccess.h>
#include "CGFile.h"
#include "CGInputSignal.h"
#ifdef DEBUG
#include <dmalloc.h>
#endif
/****************************************************************************
* Externe Variablen
****************************************************************************/
/****************************************************************************
* Globale Variablen
****************************************************************************/
/****************************************************************************
* Konstruktoren
****************************************************************************/
CGInputSignal::CGInputSignal(DSObject *father,
DSSignalRef sig_ref,
DSVariableAccessList *access_list) :
DSInputSignal(father, sig_ref, access_list)
{
}
/****************************************************************************
* Destruktor
****************************************************************************/
CGInputSignal::~CGInputSignal(void)
{
}
/****************************************************************************
* Virtueller Konstruktor
****************************************************************************/
DSObject *CGInputSignal::New(DSObject *father) const
{
return new CGInputSignal(father);
}
/****************************************************************************
* Write(): Oberfunktion der Codegenerierung fuer InputSignal
* -> writer
* -> what
* Ergebnis: DS_OK oder DS_ERROR
* Seiteneffekte: Anlegen und Fuellen der .h und .cc-Files
****************************************************************************/
DSResult CGInputSignal::Write(DSWriter *writer, DSCardinal what) const
{
DSResult result;
(void)what;
result = WriteImplementation((CGWriter *)writer);
if (result != DS_OK) return result;
return DS_OK;
}
/****************************************************************************
* WriteImplementation(): schreibt ein Inputsignal mit Parametern
* -> writer
* Ergebnis: DS_OK, falls alles geklappt hat, sonst
* DS_ERROR
* Seiteneffekte: Anlegen und Fuellen der Files
****************************************************************************/
DSResult CGInputSignal::WriteImplementation(CGWriter *writer) const
{
DSSignalRef signal;
DSResult result;
DSVariableAccess *var_access;
DSCardinal i;
DSString *tmp_str;
CGFile *out;
CGPos pos;
out = writer->CGGetFilePointer();
assert(out);
pos = writer->CGGetIndentPos();
signal = GetSignalRef();
if (signal->GetFirstSortRef() && /* Signal mit Parametern? */
GetVariableAccessList()) /* werden sie abgerufen? */
{
InsertString(*out, "case ", pos, CG_NO_EOL);
InsertString(*out, PREFIX_SIGNAL_TYPE_ID, 0, CG_NO_EOL);
InsertString(*out, signal->GetName(), 0, CG_NO_EOL);
InsertString(*out, ":", 0, CG_WITH_EOL);
InsertString(*out, PREFIX_SIGNAL_PARAM_VARIABLE, pos + 2, CG_NO_EOL);
InsertString(*out, signal->GetName(), 0, CG_NO_EOL);
InsertString(*out, " = (", 0, CG_NO_EOL);
InsertString(*out, PREFIX_SIGNAL_PARAM_TYPE, 0, CG_NO_EOL);
InsertString(*out, signal->GetName(), 0, CG_NO_EOL);
InsertString(*out, " *)RetrieveInputData();", 0, CG_WITH_EOL);
InsertString(*out, "assert(", pos + 2, CG_NO_EOL);
InsertString(*out, PREFIX_SIGNAL_PARAM_VARIABLE, 0, CG_NO_EOL);
InsertString(*out, signal->GetName(), 0, CG_NO_EOL);
InsertString(*out, ");", 0, CG_WITH_EOL);
i = 1;
for (var_access = GetFirstVariableAccess();
var_access;
var_access = GetNextVariableAccess())
{
if (!var_access->GetVariableRef()) // Parameter ausgelassen,
{ // d.h. keine Variable
i++; // angegeben ?
continue;
}
InsertString(*out, PREFIX_VARIABLE, pos + 2, CG_NO_EOL);
InsertString(*out,
var_access->GetVariableRef()->GetName(),
0, CG_NO_EOL);
InsertString(*out, " = ", 0, CG_NO_EOL);
InsertString(*out, PREFIX_SIGNAL_PARAM_VARIABLE, 0, CG_NO_EOL);
InsertString(*out, signal->GetName(), 0, CG_NO_EOL);
InsertString(*out, "->", 0, CG_NO_EOL);
InsertString(*out, PREFIX_SIGNAL_FIELD, 0, CG_NO_EOL);
tmp_str = new DSString(i++);
assert(tmp_str);
InsertString(*out, tmp_str, 0, CG_NO_EOL);
delete tmp_str;
InsertString(*out, ";", 0, CG_WITH_EOL);
}
InsertString(*out, "delete ", pos + 2, CG_NO_EOL);
InsertString(*out, PREFIX_SIGNAL_PARAM_VARIABLE, 0, CG_NO_EOL);
InsertString(*out, signal->GetName(), 0, CG_NO_EOL);
InsertString(*out, ";", 0, CG_WITH_EOL);
InsertString(*out, "break;", pos + 2, CG_WITH_EOL);
InsertLine(*out);
}
return DS_OK;
}