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enum instructionIdx {
IDX_objProc,
$INSTRUCTION_INDICES,
IDX_NULL
};
/*
*----------------------------------------------------------------------
* AsmExecute --
*
* Define the execution engine for the code
*
*----------------------------------------------------------------------
*/
int
AsmExecute(ClientData cd, Tcl_Interp *interp, AsmCompiledProc *proc, int argc, Tcl_Obj *CONST argv[]) {
int i, result = TCL_OK;
AsmInstruction *ip;
static void *instructionLabel[] = {
&&INST_objProc,
$INSTRUCTION_LABELS,
&&INST_NULL
};
/*
* Place a copy of the actual argument into locals.
*/
for (i=1; i < argc; i++) {
proc->locals[i-1] = argv[i];
}
/*
* Update all references to compiled arguments.
*/
for (i=0; i < proc->nrAsmArgReferences; i++) {
AsmArgReference *arPtr = &proc->argReferences[i];
*(arPtr->objPtr) = proc->locals[arPtr->argNr];
}
/*
* Set the instruction pointer to the begin of the code.
*/
ip = proc->code;
proc->status = 0;
//fprintf(stderr, "AsmExecute jumps to %p\n", ip);
goto *instructionLabel[ip->labelIdx];
INST_NULL:
return result;
EXEC_RESULT_CODE_HANDLER:
if (likely(result == TCL_OK)) {
ip++;
goto *instructionLabel[ip->labelIdx];
} else {
return result;
}
INST_objProc:
result = (*ip->cmd)(ip->clientData, interp, ip->argc, ip->argv);
goto EXEC_RESULT_CODE_HANDLER;
$GENERATED_INSTRUCTIONS
}
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