mirror of https://git.wuffs.org/MWCC
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
|
#include "cw_common.h"
|
||
|
|
#include "cos.h"
|
||
|
|
|
||
|
|
static CWPluginContext compiler_context;
|
||
|
|
|
||
|
|
static void pstrcpy(StringPtr dst, ConstStringPtr src) {
|
||
|
|
short len = src[0];
|
||
|
|
do {
|
||
|
|
*(dst++) = *(src++);
|
||
|
|
} while (len-- > 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ReportError(int index, int osErr) {
|
||
|
|
char buf[256];
|
||
|
|
COS_GetString(buf, 911, index);
|
||
|
|
if (osErr)
|
||
|
|
CWOSErrorMessage(compiler_context, buf, osErr);
|
||
|
|
else
|
||
|
|
CWReportMessage(compiler_context, NULL, buf, NULL, messagetypeError, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static CWMemHandle ImportObjectLibrary(CWFileSpec *spec, SInt32 *codesize, SInt32 *udatasize, SInt32 *idatasize) {
|
||
|
|
int err;
|
||
|
|
short ref;
|
||
|
|
CWMemHandle mh;
|
||
|
|
UInt32 *ptr;
|
||
|
|
SInt32 fsize;
|
||
|
|
|
||
|
|
err = COS_FileOpen(spec, &ref);
|
||
|
|
if (err) {
|
||
|
|
ReportError(1, err);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
err = COS_FileGetSize(ref, &fsize);
|
||
|
|
if (err) {
|
||
|
|
COS_FileClose(ref);
|
||
|
|
ReportError(1, err);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
err = CWAllocMemHandle(compiler_context, 8, 1, &mh);
|
||
|
|
if (err) {
|
||
|
|
COS_FileClose(ref);
|
||
|
|
ReportError(1, err);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
err = CWLockMemHandle(compiler_context, mh, 0, (void **) &ptr);
|
||
|
|
if (err) {
|
||
|
|
COS_FileClose(ref);
|
||
|
|
CWFreeMemHandle(compiler_context, mh);
|
||
|
|
ReportError(1, err);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
err = COS_FileRead(ref, ptr, 8);
|
||
|
|
if (err != (short) err) {
|
||
|
|
ReportError(1, err);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
COS_FileClose(ref);
|
||
|
|
|
||
|
|
if (ptr[0] != 0xFEEDFACE && ptr[0] != 0xCAFEBABE && ptr[0] != CWFOURCHAR('!','<','a','r') && ptr[1] != CWFOURCHAR('c','h','>','\n')) {
|
||
|
|
CWFreeMemHandle(compiler_context, mh);
|
||
|
|
ReportError(2, 0);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CWUnlockMemHandle(compiler_context, mh);
|
||
|
|
*codesize = fsize;
|
||
|
|
*udatasize = 0;
|
||
|
|
*idatasize = 0;
|
||
|
|
return mh;
|
||
|
|
}
|
||
|
|
|
||
|
|
CWPLUGIN_ENTRY(PPCLibImport_main)(CWPluginContext context) {
|
||
|
|
SInt32 request;
|
||
|
|
CWResult result;
|
||
|
|
CWFileSpec fss;
|
||
|
|
SInt32 fileNumber;
|
||
|
|
CWObjectData od;
|
||
|
|
|
||
|
|
result = cwNoErr;
|
||
|
|
|
||
|
|
CWGetPluginRequest(context, &request);
|
||
|
|
switch (request) {
|
||
|
|
case reqInitialize:
|
||
|
|
case reqTerminate:
|
||
|
|
break;
|
||
|
|
case 0:
|
||
|
|
compiler_context = context;
|
||
|
|
CWGetMainFileSpec(context, &fss);
|
||
|
|
CWGetMainFileNumber(context, &fileNumber);
|
||
|
|
memset(&od, 0, sizeof(od));
|
||
|
|
od.objectdata = ImportObjectLibrary(&fss, &od.codesize, &od.udatasize, &od.idatasize);
|
||
|
|
result = CWDonePluginRequest(context, od.objectdata ? CWStoreObjectData(context, fileNumber, &od) : cwErrRequestFailed);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|