diff options
Diffstat (limited to 'generic/tclDisassemble.c')
-rw-r--r-- | generic/tclDisassemble.c | 88 |
1 files changed, 50 insertions, 38 deletions
diff --git a/generic/tclDisassemble.c b/generic/tclDisassemble.c index d61ed42..9e7edc9 100644 --- a/generic/tclDisassemble.c +++ b/generic/tclDisassemble.c @@ -38,7 +38,7 @@ static void UpdateStringOfInstName(Tcl_Obj *objPtr); * reporting of inner contexts in errorstack without string allocation. */ -static const Tcl_ObjType tclInstNameType = { +static const Tcl_ObjType instNameType = { "instname", /* name */ NULL, /* freeIntRepProc */ NULL, /* dupIntRepProc */ @@ -46,12 +46,21 @@ static const Tcl_ObjType tclInstNameType = { NULL, /* setFromAnyProc */ }; -/* - * How to get the bytecode out of a Tcl_Obj. - */ +#define InstNameSetIntRep(objPtr, inst) \ + do { \ + Tcl_ObjIntRep ir; \ + ir.longValue = (inst); \ + Tcl_StoreIntRep((objPtr), &instNameType, &ir); \ + } while (0) + +#define InstNameGetIntRep(objPtr, inst) \ + do { \ + const Tcl_ObjIntRep *irPtr; \ + irPtr = Tcl_FetchIntRep((objPtr), &instNameType); \ + assert(irPtr != NULL); \ + (inst) = irPtr->longValue; \ + } while (0) -#define BYTECODE(objPtr) \ - ((ByteCode *) (objPtr)->internalRep.twoPtrValue.ptr1) /* *---------------------------------------------------------------------- @@ -245,14 +254,18 @@ DisassembleByteCodeObj( Tcl_Interp *interp, Tcl_Obj *objPtr) /* The bytecode object to disassemble. */ { - ByteCode *codePtr = BYTECODE(objPtr); + ByteCode *codePtr; unsigned char *codeStart, *codeLimit, *pc; unsigned char *codeDeltaNext, *codeLengthNext; unsigned char *srcDeltaNext, *srcLengthNext; int codeOffset, codeLen, srcOffset, srcLen, numCmds, delta, i, line; - Interp *iPtr = (Interp *) *codePtr->interpHandle; + Interp *iPtr; Tcl_Obj *bufferObj, *fileObj; + ByteCodeGetIntRep(objPtr, &tclByteCodeType, codePtr); + + iPtr = (Interp *) *codePtr->interpHandle; + TclNewObj(bufferObj); if (codePtr->refCount <= 0) { return bufferObj; /* Already freed. */ @@ -796,9 +809,8 @@ TclNewInstNameObj( { Tcl_Obj *objPtr = Tcl_NewObj(); - objPtr->typePtr = &tclInstNameType; - objPtr->internalRep.longValue = (long) inst; - objPtr->bytes = NULL; + TclInvalidateStringRep(objPtr); + InstNameSetIntRep(objPtr, (long) inst); return objPtr; } @@ -817,20 +829,22 @@ static void UpdateStringOfInstName( Tcl_Obj *objPtr) { - int inst = objPtr->internalRep.longValue; - char *s, buf[20]; - int len; + int inst; + char *dst; + + InstNameGetIntRep(objPtr, inst); if ((inst < 0) || (inst > LAST_INST_OPCODE)) { - sprintf(buf, "inst_%d", inst); - s = buf; + dst = Tcl_InitStringRep(objPtr, NULL, TCL_INTEGER_SPACE + 5); + TclOOM(dst, TCL_INTEGER_SPACE + 5); + sprintf(dst, "inst_%d", inst); + (void) Tcl_InitStringRep(objPtr, NULL, strlen(dst)); } else { - s = (char *) tclInstructionTable[objPtr->internalRep.longValue].name; + const char *s = tclInstructionTable[inst].name; + int len = strlen(s); + dst = Tcl_InitStringRep(objPtr, s, len); + TclOOM(dst, len); } - len = strlen(s); - objPtr->bytes = ckalloc(len + 1); - memcpy(objPtr->bytes, s, len + 1); - objPtr->length = len; } /* @@ -942,13 +956,15 @@ DisassembleByteCodeAsDicts( * procedure, if one exists. */ Tcl_Obj *objPtr) /* The bytecode-holding value to take apart */ { - ByteCode *codePtr = BYTECODE(objPtr); + ByteCode *codePtr; Tcl_Obj *description, *literals, *variables, *instructions, *inst; Tcl_Obj *aux, *exn, *commands, *file; unsigned char *pc, *opnd, *codeOffPtr, *codeLenPtr, *srcOffPtr, *srcLenPtr; int codeOffset, codeLength, sourceOffset, sourceLength; int i, val, line; + ByteCodeGetIntRep(objPtr, &tclByteCodeType, codePtr); + /* * Get the literals from the bytecode. */ @@ -1286,6 +1302,7 @@ Tcl_DisassembleObjCmd( Proc *procPtr = NULL; Tcl_HashEntry *hPtr; Object *oPtr; + ByteCode *codePtr; Method *methodPtr; if (objc < 2) { @@ -1304,27 +1321,19 @@ Tcl_DisassembleObjCmd( /* * Compile (if uncompiled) and disassemble a lambda term. - * - * WARNING! Pokes inside the lambda objtype. */ if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "lambdaTerm"); return TCL_ERROR; } - if (objv[2]->typePtr == &tclLambdaType) { - procPtr = objv[2]->internalRep.twoPtrValue.ptr1; - } - if (procPtr == NULL || procPtr->iPtr != (Interp *) interp) { - result = tclLambdaType.setFromAnyProc(interp, objv[2]); - if (result != TCL_OK) { - return result; - } - procPtr = objv[2]->internalRep.twoPtrValue.ptr1; + + procPtr = TclGetLambdaFromObj(interp, objv[2], &nsObjPtr); + if (procPtr == NULL) { + return TCL_ERROR; } memset(&cmd, 0, sizeof(Command)); - nsObjPtr = objv[2]->internalRep.twoPtrValue.ptr2; result = TclGetNamespaceFromObj(interp, nsObjPtr, &nsPtr); if (result != TCL_OK) { return result; @@ -1374,8 +1383,9 @@ Tcl_DisassembleObjCmd( Tcl_WrongNumArgs(interp, 2, objv, "script"); return TCL_ERROR; } - if ((objv[2]->typePtr != &tclByteCodeType) - && (TclSetByteCodeFromAny(interp, objv[2], NULL, NULL) != TCL_OK)) { + + if ((NULL == Tcl_FetchIntRep(objv[2], &tclByteCodeType)) && (TCL_OK + != TclSetByteCodeFromAny(interp, objv[2], NULL, NULL))) { return TCL_ERROR; } codeObjPtr = objv[2]; @@ -1575,7 +1585,7 @@ Tcl_DisassembleObjCmd( "METHODTYPE", NULL); return TCL_ERROR; } - if (procPtr->bodyPtr->typePtr != &tclByteCodeType) { + if (NULL == Tcl_FetchIntRep(procPtr->bodyPtr, &tclByteCodeType)) { Command cmd; /* @@ -1603,7 +1613,9 @@ Tcl_DisassembleObjCmd( * Do the actual disassembly. */ - if (BYTECODE(codeObjPtr)->flags & TCL_BYTECODE_PRECOMPILED) { + ByteCodeGetIntRep(codeObjPtr, &tclByteCodeType, codePtr); + + if (codePtr->flags & TCL_BYTECODE_PRECOMPILED) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "may not disassemble prebuilt bytecode", -1)); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "DISASSEMBLE", |