Exemplo n.º 1
0
*/	REBINT CT_Port(REBVAL *a, REBVAL *b, REBINT mode)
/*
***********************************************************************/
{
	if (mode < 0) return -1;
	return VAL_OBJ_FRAME(a) == VAL_OBJ_FRAME(b);
}
Exemplo n.º 2
0
*/	REBINT PD_Object(REBPVS *pvs)
/*
***********************************************************************/
{
	REBINT n = 0;

	if (!VAL_OBJ_FRAME(pvs->value)) {
		return PE_NONE; // Error objects may not have a frame.
	}

	if (IS_WORD(pvs->select)) {
		n = Find_Word_Index(VAL_OBJ_FRAME(pvs->value), VAL_WORD_SYM(pvs->select), FALSE);
	}
//	else if (IS_INTEGER(pvs->select)) {
//		n = Int32s(pvs->select, 1);
//	}
	else return PE_BAD_SELECT;

	if (n <= 0 || (REBCNT)n >= SERIES_TAIL(VAL_OBJ_FRAME(pvs->value)))
		return PE_BAD_SELECT;

	if (pvs->setval && IS_END(pvs->path+1) && VAL_PROTECTED(VAL_FRM_WORD(pvs->value, n)))
		Trap1(RE_LOCKED_WORD, pvs->select);

	pvs->value = VAL_OBJ_VALUES(pvs->value) + n;
	return PE_SET;
	// if setval, check PROTECT mode!!!
	// VAL_FLAGS((VAL_OBJ_VALUES(value) + n)) &= ~FLAGS_CLEAN;
}
Exemplo n.º 3
0
*/	REBVAL *Find_Error_Info(ERROR_OBJ *error, REBINT *num)
/*
**		Return the error message needed to print an error.
**		Must scan the error catalog and its error lists.
**		Note that the error type and id words no longer need
**		to be bound to the error catalog context.
**		If the message is not found, return null.
**
***********************************************************************/
{
	REBSER *frame;
	REBVAL *obj1;
	REBVAL *obj2;

	if (!IS_WORD(&error->type) || !IS_WORD(&error->id)) return 0;

	// Find the correct error type object in the catalog:
	frame = VAL_OBJ_FRAME(Get_System(SYS_CATALOG, CAT_ERRORS));
	obj1 = Find_Word_Value(frame, VAL_WORD_SYM(&error->type));
	if (!obj1) return 0;

	// Now find the correct error message for that type:
	frame = VAL_OBJ_FRAME(obj1);
	obj2 = Find_Word_Value(frame, VAL_WORD_SYM(&error->id));
	if (!obj2) return 0;

	if (num) {
		obj1 = Find_Word_Value(frame, SYM_CODE);
		*num = VAL_INT32(obj1)
			+ Find_Word_Index(frame, VAL_WORD_SYM(&error->id), FALSE)
			- Find_Word_Index(frame, SYM_TYPE, FALSE) - 1;
	}

	return obj2;
}
Exemplo n.º 4
0
static REBOOL Equal_Object(REBVAL *val, REBVAL *arg)
{
	REBSER *f1;
	REBSER *f2;
	REBSER *w1;
	REBSER *w2;
	REBINT n;

	if (VAL_TYPE(arg) != VAL_TYPE(val)) return FALSE;

	f1 = VAL_OBJ_FRAME(val);
	f2 = VAL_OBJ_FRAME(arg);
	if (f1 == f2) return TRUE;
	if (f1->tail != f2->tail) return FALSE;

	w1 = FRM_WORD_SERIES(f1);
	w2 = FRM_WORD_SERIES(f2);
	if (w1->tail != w2->tail) return FALSE;

	// Compare each entry:
	for (n = 1; n < (REBINT)(f1->tail); n++) {
		if (Cmp_Value(BLK_SKIP(w1, n), BLK_SKIP(w2, n), FALSE)) return FALSE;
		// Use Compare_Values();
		if (Cmp_Value(BLK_SKIP(f1, n), BLK_SKIP(f2, n), FALSE)) return FALSE;
	}

	return TRUE;
}
Exemplo n.º 5
0
static REBOOL Same_Object(REBVAL *val, REBVAL *arg)
{
	if (
		VAL_TYPE(arg) == VAL_TYPE(val) &&
		//VAL_OBJ_SPEC(val) == VAL_OBJ_SPEC(arg) &&
		VAL_OBJ_FRAME(val) == VAL_OBJ_FRAME(arg)
	) return TRUE;
	return FALSE;
}
Exemplo n.º 6
0
//
//  Ret_Query_Net: C
//
static void Ret_Query_Net(REBSER *port, REBREQ *sock, REBVAL *ret)
{
    REBVAL *info = In_Object(port, STD_PORT_SCHEME, STD_SCHEME_INFO, 0);
    REBSER *obj;

    if (!info || !IS_OBJECT(info))
        fail (Error_On_Port(RE_INVALID_SPEC, port, -10));

    obj = Copy_Array_Shallow(VAL_OBJ_FRAME(info));
    MANAGE_SERIES(obj);

    Val_Init_Object(ret, obj);
    Set_Tuple(
        OFV(obj, STD_NET_INFO_LOCAL_IP),
        cast(REBYTE*, &sock->special.net.local_ip),
        4
    );
    Set_Tuple(
        OFV(obj, STD_NET_INFO_REMOTE_IP),
        cast(REBYTE*, &sock->special.net.remote_ip),
        4
    );
    SET_INTEGER(OFV(obj, STD_NET_INFO_LOCAL_PORT), sock->special.net.local_port);
    SET_INTEGER(OFV(obj, STD_NET_INFO_REMOTE_PORT), sock->special.net.remote_port);
}
Exemplo n.º 7
0
/***********************************************************************
**
**	Get_Obj_Mods -- return a block of modified words from an object
**
***********************************************************************/
REBVAL *Get_Obj_Mods(REBFRM *frame, REBVAL **inter_block)
{
	REBVAL *obj  = D_ARG(1);
	REBVAL *words, *val;
	REBFRM *frm  = VAL_OBJ_FRAME(obj);
	REBSER *ser  = Make_Block(2);
	REBOOL clear = D_REF(2);
	//DISABLE_GC;

	val   = BLK_HEAD(frm->values);
	words = BLK_HEAD(frm->words);
	for (; NOT_END(val); val++, words++)
		if (!(VAL_FLAGS(val) & FLAGS_CLEAN)) {
			Append_Val(ser, words);
			if (clear) VAL_FLAGS(val) |= FLAGS_CLEAN;
		}
	if (!STR_LEN(ser)) {
		ENABLE_GC;
		goto is_none;
	}

	Bind_Block(frm, BLK_HEAD(ser), FALSE);
	VAL_SERIES(Temp_Blk_Value) = ser;
	//ENABLE_GC;
	return Temp_Blk_Value;
}
Exemplo n.º 8
0
Arquivo: p-file.c Projeto: mbk/ren-c
*/	void Ret_Query_File(REBSER *port, REBREQ *file, REBVAL *ret)
/*
**		Query file and set RET value to resulting STD_FILE_INFO object.
**
***********************************************************************/
{
	REBVAL *info = In_Object(port, STD_PORT_SCHEME, STD_SCHEME_INFO, 0);
	REBSER *obj;
	REBSER *ser;

	if (!info || !IS_OBJECT(info)) Trap_Port(RE_INVALID_SPEC, port, -10);

	obj = CLONE_OBJECT(VAL_OBJ_FRAME(info));

	SET_OBJECT(ret, obj);
	Init_Word_Unbound(
		OFV(obj, STD_FILE_INFO_TYPE),
		REB_WORD,
		GET_FLAG(file->modes, RFM_DIR) ? SYM_DIR : SYM_FILE
	);
	SET_INTEGER(OFV(obj, STD_FILE_INFO_SIZE), file->special.file.size);
	Set_File_Date(file, OFV(obj, STD_FILE_INFO_DATE));

	ser = To_REBOL_Path(file->special.file.path, 0, OS_WIDE, 0);

	Set_Series(REB_FILE, OFV(obj, STD_FILE_INFO_NAME), ser);
}
Exemplo n.º 9
0
*/	static void Ret_Query_Net(REBSER *port, REBREQ *sock, REBVAL *ret)
/*
***********************************************************************/
{
	REBVAL *info = In_Object(port, STD_PORT_SCHEME, STD_SCHEME_INFO, 0);
	REBSER *obj;

	if (!info || !IS_OBJECT(info)) Trap_Port(RE_INVALID_SPEC, port, -10);

	obj = CLONE_OBJECT(VAL_OBJ_FRAME(info));

	SET_OBJECT(ret, obj);
	Set_Tuple(
		OFV(obj, STD_NET_INFO_LOCAL_IP),
		cast(REBYTE*, &sock->special.net.local_ip),
		4
	);
	Set_Tuple(
		OFV(obj, STD_NET_INFO_REMOTE_IP),
		cast(REBYTE*, &sock->special.net.remote_ip),
		4
	);
	SET_INTEGER(OFV(obj, STD_NET_INFO_LOCAL_PORT), sock->special.net.local_port);
	SET_INTEGER(OFV(obj, STD_NET_INFO_REMOTE_PORT), sock->special.net.remote_port);
}
Exemplo n.º 10
0
*/  REBVAL *Find_In_Contexts(REBCNT sym, REBVAL *where)
/*
**      Search a block of objects for a given word symbol and
**      return the value for the word. NULL if not found.
**
***********************************************************************/
{
	REBVAL *val;

	for (; NOT_END(where); where++) {
		if (IS_WORD(where)) {
			val = Get_Var(where);
		}
		else if (IS_PATH(where)) {
			Do_Path(&where, 0);
			val = DS_TOP; // only safe for short time!
		}
		else
			val = where;

		if (IS_OBJECT(val)) {
			val = Find_Word_Value(VAL_OBJ_FRAME(val), sym);
			if (val) return val;
		}
	}
	return 0;
}
Exemplo n.º 11
0
*/	REBSER *Make_Error(REBINT code, REBVAL *arg1, REBVAL *arg2, REBVAL *arg3)
/*
**		Create and init a new error object.
**
***********************************************************************/
{
	REBSER *err;		// Error object
	ERROR_OBJ *error;	// Error object values

	if (PG_Boot_Phase < BOOT_ERRORS) Crash(RP_EARLY_ERROR, code); // Not far enough!

	// Make a copy of the error object template:
	err = CLONE_OBJECT(VAL_OBJ_FRAME(ROOT_ERROBJ));
	error = ERR_VALUES(err);

	// Set error number:
	SET_INTEGER(&error->code, (REBINT)code);
	Set_Error_Type(error);

	// Set error argument values:
	if (arg1) error->arg1 = *arg1;
	if (arg2) error->arg2 = *arg2;
	if (arg3) error->arg3 = *arg3;

	// Set backtrace and location information:
	if (DSF > 0) {
		// Where (what function) is the error:
		Set_Block(&error->where, Make_Backtrace(0));
		// Nearby location of the error (in block being evaluated):
		error->nearest = *DSF_BACK(DSF);
	}

	return err;
}
Exemplo n.º 12
0
*/	void Set_Object(REBVAL *value, REBSER *series)
/*
***********************************************************************/
{
	VAL_SET(value, REB_OBJECT);
	VAL_OBJ_FRAME(value) = series;
}
Exemplo n.º 13
0
*/	void Set_Error_Type(ERROR_OBJ *error)
/*
**		Sets error type and id fields based on code number.
**
***********************************************************************/
{
	REBSER *cats;		// Error catalog object
	REBSER *cat;		// Error category object
	REBCNT n;		// Word symbol number
	REBCNT code;

	code = VAL_INT32(&error->code);

	// Set error category:
	n = code / 100 + 1;
	cats = VAL_OBJ_FRAME(Get_System(SYS_CATALOG, CAT_ERRORS));

	if (code >= 0 && n < SERIES_TAIL(cats) &&
		NZ(cat = VAL_SERIES(BLK_SKIP(cats, n)))
	) {
		Set_Word(&error->type, FRM_WORD_SYM(cats, n), cats, n);

		// Find word related to the error itself:
		
		n = code % 100 + 3;
		if (n < SERIES_TAIL(cat))
			Set_Word(&error->id, FRM_WORD_SYM(cat, n), cat, n);
	}
}
Exemplo n.º 14
0
*/	REBCNT Find_Action(REBVAL *object, REBCNT action)
/*
**		Given an action number, return the action's index in
**		the specified object. If not found, a zero is returned.
**
***********************************************************************/
{
	return Find_Word_Index(VAL_OBJ_FRAME(object), VAL_BIND_SYM(Get_Action_Word(action)), FALSE);
}
Exemplo n.º 15
0
*/  REBVAL *Get_Object(REBVAL *objval, REBCNT index)
/*
**      Get an instance variable from an object value.
**
***********************************************************************/
{
	REBSER *obj = VAL_OBJ_FRAME(objval);
	ASSERT1(IS_FRAME(BLK_HEAD(obj)), RP_BAD_OBJ_FRAME);
	ASSERT1(index < SERIES_TAIL(obj), RP_BAD_OBJ_INDEX);
	return FRM_VALUES(obj) + index;
}
Exemplo n.º 16
0
*/	REBFLG MT_Object(REBVAL *out, REBVAL *data, REBCNT type)
/*
***********************************************************************/
{
	if (!IS_BLOCK(data)) return FALSE;
	VAL_OBJ_FRAME(out) = Construct_Object(0, VAL_BLK_DATA(data), 0);
	VAL_SET(out, type);
	if (type == REB_ERROR) {
		Make_Error_Object(out, out);
	}
	return TRUE;
}
Exemplo n.º 17
0
*/	REBVAL *Obj_Value(REBVAL *value, REBCNT index)
/*
**		Return pointer to the nth VALUE of an object.
**		Return zero if the index is not valid.
**
***********************************************************************/
{
	REBSER *obj = VAL_OBJ_FRAME(value);

	if (index >= SERIES_TAIL(obj)) return 0;
	return BLK_SKIP(obj, index);
}
Exemplo n.º 18
0
Arquivo: s-mold.c Projeto: Oldes/r3
STOID Mold_Object(REBVAL *value, REB_MOLD *mold)
{
	REBSER *wser;
	REBVAL *words;
	REBVAL *vals; // first value is context
	REBCNT n;
	REBOOL indented = !GET_MOPT(mold, MOPT_INDENT);

	ASSERT(VAL_OBJ_FRAME(value), RP_NO_OBJECT_FRAME);

	wser = VAL_OBJ_WORDS(value);
//	if (wser < 1000)
//		Dump_Block_Raw(VAL_OBJ_FRAME(value), 0, 1);
	words = BLK_HEAD(wser);

	vals  = VAL_OBJ_VALUES(value); // first value is context

	Pre_Mold(value, mold);

	Append_Byte(mold->series, '[');

	// Prevent infinite looping:
	if (Find_Same_Block(MOLD_LOOP, value) > 0) {
		Append_Bytes(mold->series, "...]");
		return;
	}
	Append_Val(MOLD_LOOP, value);

	mold->indent++;
	for (n = 1; n < SERIES_TAIL(wser); n++) {
		if (
			!VAL_GET_OPT(words+n, OPTS_HIDE) &&
			((VAL_TYPE(vals+n) > REB_NONE) || !GET_MOPT(mold, MOPT_NO_NONE))
		){
			if(indented)
				New_Indented_Line(mold);
			else if (n > 1)
				Append_Byte(mold->series, ' ');

			Append_UTF8(mold->series, Get_Sym_Name(VAL_WORD_SYM(words+n)), -1);
			//Print("Slot: %s", Get_Sym_Name(VAL_WORD_SYM(words+n)));
			Append_Bytes(mold->series, ": ");
			if (IS_WORD(vals+n) && !GET_MOPT(mold, MOPT_MOLD_ALL)) Append_Byte(mold->series, '\'');
			Mold_Value(mold, vals+n, TRUE);
		}
	}
	mold->indent--;
	if (indented) New_Indented_Line(mold);
	Append_Byte(mold->series, ']');

	End_Mold(mold);
	Remove_Last(MOLD_LOOP);
}
Exemplo n.º 19
0
*/  REBVAL *Get_System(REBCNT i1, REBCNT i2)
/*
**      Return a second level object field of the system object.
**
***********************************************************************/
{
	REBVAL *obj;

	obj = VAL_OBJ_VALUES(ROOT_SYSTEM) + i1;
	if (!i2) return obj;
	ASSERT1(IS_OBJECT(obj), RP_BAD_OBJ_INDEX);
	return Get_Field(VAL_OBJ_FRAME(obj), i2);
}
Exemplo n.º 20
0
*/  REBSER *Make_Module_Spec(REBVAL *block)
/*
**		Create a module spec object. Holds module name, version,
**		exports, locals, and more. See system/standard/module.
**
***********************************************************************/
{
	REBSER *obj;
	REBSER *frame;

	// Build standard module header object:
	obj = VAL_OBJ_FRAME(Get_System(SYS_STANDARD, STD_SCRIPT));
	if (block && IS_BLOCK(block)) frame = Construct_Object(obj, VAL_BLK_DATA(block), 0);
	else frame = CLONE_OBJECT(obj);

	return frame;
}
Exemplo n.º 21
0
*/  REBSER *Make_Module_Spec(REBVAL *spec)
/*
**		Create a module spec object. Holds module name, version,
**		exports, locals, and more. See system/standard/module.
**
***********************************************************************/
{
	// Build standard module header object:
	REBSER *obj = VAL_OBJ_FRAME(Get_System(SYS_STANDARD, STD_SCRIPT));
	REBSER *frame;

	if (spec && IS_BLOCK(spec))
		frame = Construct_Object(obj, VAL_BLK_DATA(spec), FALSE);
	else
		frame = Copy_Array_Shallow(obj);

	return frame;
}
Exemplo n.º 22
0
*/  REBVAL *In_Object(REBSER *base, ...)
/*
**      Get value from nested list of objects. List is null terminated.
**		Returns object value, else returns 0 if not found.
**
***********************************************************************/
{
	REBVAL *obj = 0;
	REBCNT n;
	va_list args;

	va_start(args, base);
	while (NZ(n = va_arg(args, REBCNT))) {
		if (n >= SERIES_TAIL(base)) return 0;
		obj = OFV(base, n);
		if (!IS_OBJECT(obj)) return 0;
		base = VAL_OBJ_FRAME(obj);
	}
	va_end(args);

	return obj;
}
Exemplo n.º 23
0
*/	RL_API int RL_Do_String(int *exit_status, const REBYTE *text, REBCNT flags, RXIARG *result)
/*
**	Load a string and evaluate the resulting block.
**
**	Returns:
**		The datatype of the result if a positive number (or 0 if the
**		type has no representation in the "RXT" API).  An error code
**		if it's a negative number.  Two negative numbers are reserved
**		for non-error conditions: -1 for halting (e.g. Escape), and
**		-2 is reserved for exiting with exit_status set.
**
**	Arguments:
**		text - A null terminated UTF-8 (or ASCII) string to transcode
**			into a block and evaluate.
**		flags - set to zero for now
**		result - value returned from evaluation, if NULL then result
**			will be returned on the top of the stack
**
**	Notes:
**		This API was from before Rebol's open sourcing and had little
**		vetting and few clients.  The one client it did have was the
**		"sample" console code (which wound up being the "only"
**		console code for quite some time).
**
***********************************************************************/
{
	REBSER *code;
	REBVAL out;

	REBOL_STATE state;
	const REBVAL *error;

	// assumes it can only be run at the topmost level where
	// the data stack is completely empty.
	assert(DSP == -1);

	PUSH_UNHALTABLE_TRAP(&error, &state);

// The first time through the following code 'error' will be NULL, but...
// `raise Error` can longjmp here, so 'error' won't be NULL *if* that happens!

	if (error) {
		if (VAL_ERR_NUM(error) == RE_HALT)
			return -1; // !!! Revisit hardcoded #

		// Save error for WHY?
		*Get_System(SYS_STATE, STATE_LAST_ERROR) = *error;

		if (result)
			*result = Value_To_RXI(error);
		else
			DS_PUSH(error);

		return -VAL_ERR_NUM(error);
	}

	code = Scan_Source(text, LEN_BYTES(text));
	PUSH_GUARD_SERIES(code);

	// Bind into lib or user spaces?
	if (flags) {
		// Top words will be added to lib:
		Bind_Values_Set_Forward_Shallow(BLK_HEAD(code), Lib_Context);
		Bind_Values_Deep(BLK_HEAD(code), Lib_Context);
	} else {
		REBCNT len;
		REBVAL vali;
		REBSER *user = VAL_OBJ_FRAME(Get_System(SYS_CONTEXTS, CTX_USER));
		len = user->tail;
		Bind_Values_All_Deep(BLK_HEAD(code), user);
		SET_INTEGER(&vali, len);
		Resolve_Context(user, Lib_Context, &vali, FALSE, 0);
	}

	if (Do_At_Throws(&out, code, 0)) {
		DROP_GUARD_SERIES(code);

		if (
			IS_NATIVE(&out) && (
				VAL_FUNC_CODE(&out) == VAL_FUNC_CODE(ROOT_QUIT_NATIVE)
				|| VAL_FUNC_CODE(&out) == VAL_FUNC_CODE(ROOT_EXIT_NATIVE)
			)
		) {
			CATCH_THROWN(&out, &out);
			DROP_TRAP_SAME_STACKLEVEL_AS_PUSH(&state);

			*exit_status = Exit_Status_From_Value(&out);
			return -2; // Revisit hardcoded #
		}

		raise Error_No_Catch_For_Throw(&out);
	}

	DROP_GUARD_SERIES(code);

	DROP_TRAP_SAME_STACKLEVEL_AS_PUSH(&state);

	if (result)
		*result = Value_To_RXI(&out);
	else
		DS_PUSH(&out);

	return Reb_To_RXT[VAL_TYPE(&out)];
}
Exemplo n.º 24
0
STOID Mold_Error(REBVAL *value, REB_MOLD *mold, REBFLG molded)
{
	ERROR_OBJ *err;
	REBVAL *msg;  // Error message block

	// Protect against recursion. !!!!

	if (molded) {
		if (VAL_OBJ_FRAME(value) && VAL_ERR_NUM(value) >= RE_NOTE && VAL_ERR_OBJECT(value))
			Mold_Object(value, mold);
		else {
			// Happens if throw or return is molded.
			// make error! 0-3
			Pre_Mold(value, mold);
			Append_Int(mold->series, VAL_ERR_NUM(value));
			End_Mold(mold);
		}
		return;
	}

	// If it is an unprocessed BREAK, THROW, CONTINUE, RETURN:
	if (VAL_ERR_NUM(value) < RE_NOTE || !VAL_ERR_OBJECT(value)) {
		VAL_ERR_OBJECT(value) = Make_Error(VAL_ERR_NUM(value), value, 0, 0); // spoofs field
	}
	err = VAL_ERR_VALUES(value);

	// Form: ** <type> Error:
	Emit(mold, "** WB", &err->type, RS_ERRS+0);

	// Append: error message ARG1, ARG2, etc.
	msg = Find_Error_Info(err, 0);
	if (msg) {
		if (!IS_BLOCK(msg)) Mold_Value(mold, msg, 0);
		else {
			//start = DSP + 1;
			//Reduce_In_Frame(VAL_ERR_OBJECT(value), VAL_BLK_DATA(msg));
			//SERIES_TAIL(DS_Series) = DSP + 1;
			//Form_Block_Series(DS_Series, start, mold, 0);
			Form_Block_Series(VAL_SERIES(msg), 0, mold, VAL_ERR_OBJECT(value));
		}
	} else
		Append_Boot_Str(mold->series, RS_ERRS+1);

	Append_Byte(mold->series, '\n');

	// Form: ** Where: function
	value = &err->where;
	if (VAL_TYPE(value) > REB_NONE) {
		Append_Boot_Str(mold->series, RS_ERRS+2);
		Mold_Value(mold, value, 0);
		Append_Byte(mold->series, '\n');
	}

	// Form: ** Near: location
	value = &err->nearest;
	if (VAL_TYPE(value) > REB_NONE) {
		Append_Boot_Str(mold->series, RS_ERRS+3);
		if (IS_STRING(value)) // special case: source file line number
			Append_String(mold->series, VAL_SERIES(value), 0, VAL_TAIL(value));
		else if (IS_BLOCK(value))
			Mold_Simple_Block(mold, VAL_BLK_DATA(value), 60);
		Append_Byte(mold->series, '\n');
	}
}
Exemplo n.º 25
0
Arquivo: n-loop.c Projeto: mbk/ren-c
*/	static REB_R Loop_Each(struct Reb_Call *call_, REBINT mode)
/*
**		Supports these natives (modes):
**			0: foreach
**			1: remove-each
**			2: map
**
***********************************************************************/
{
	REBSER *body;
	REBVAL *vars;
	REBVAL *words;
	REBSER *frame;
	REBVAL *value;
	REBSER *series;
	REBSER *out;	// output block (for MAP, mode = 2)

	REBINT index;	// !!!! should these be REBCNT?
	REBINT tail;
	REBINT windex;	// write
	REBINT rindex;	// read
	REBINT err;
	REBCNT i;
	REBCNT j;
	REBVAL *ds;

	assert(mode >= 0 && mode < 3);

	value = D_ARG(2); // series
	if (IS_NONE(value)) return R_NONE;

	body = Init_Loop(D_ARG(1), D_ARG(3), &frame); // vars, body
	SET_OBJECT(D_ARG(1), frame); // keep GC safe
	Set_Block(D_ARG(3), body);	 // keep GC safe

	SET_NONE(D_OUT); // Default result to NONE if the loop does not run

	// If it's MAP, create result block:
	if (mode == 2) {
		out = Make_Block(VAL_LEN(value));
		SAVE_SERIES(out);
	}

	// Get series info:
	if (ANY_OBJECT(value)) {
		series = VAL_OBJ_FRAME(value);
		out = FRM_WORD_SERIES(series); // words (the out local reused)
		index = 1;
		//if (frame->tail > 3) Trap_Arg_DEAD_END(FRM_WORD(frame, 3));
	}
	else if (IS_MAP(value)) {
		series = VAL_SERIES(value);
		index = 0;
		//if (frame->tail > 3) Trap_Arg_DEAD_END(FRM_WORD(frame, 3));
	}
	else {
		series = VAL_SERIES(value);
		index  = VAL_INDEX(value);
		if (index >= cast(REBINT, SERIES_TAIL(series))) {
			if (mode == 1) {
				SET_INTEGER(D_OUT, 0);
			} else if (mode == 2) {
				Set_Block(D_OUT, out);
				UNSAVE_SERIES(out);
			}
			return R_OUT;
		}
	}

	windex = index;

	// Iterate over each value in the series block:
	while (index < (tail = SERIES_TAIL(series))) {

		rindex = index;  // remember starting spot
		j = 0;

		// Set the FOREACH loop variables from the series:
		for (i = 1; i < frame->tail; i++) {

			vars = FRM_VALUE(frame, i);
			words = FRM_WORD(frame, i);

			// var spec is WORD
			if (IS_WORD(words)) {

				if (index < tail) {

					if (ANY_BLOCK(value)) {
						*vars = *BLK_SKIP(series, index);
					}

					else if (ANY_OBJECT(value)) {
						if (!VAL_GET_EXT(BLK_SKIP(out, index), EXT_WORD_HIDE)) {
							// Alternate between word and value parts of object:
							if (j == 0) {
								Init_Word(vars, REB_WORD, VAL_WORD_SYM(BLK_SKIP(out, index)), series, index);
								if (NOT_END(vars+1)) index--; // reset index for the value part
							}
							else if (j == 1)
								*vars = *BLK_SKIP(series, index);
							else
								Trap_Arg_DEAD_END(words);
							j++;
						}
						else {
							// Do not evaluate this iteration
							index++;
							goto skip_hidden;
						}
					}

					else if (IS_VECTOR(value)) {
						Set_Vector_Value(vars, series, index);
					}

					else if (IS_MAP(value)) {
						REBVAL *val = BLK_SKIP(series, index | 1);
						if (!IS_NONE(val)) {
							if (j == 0) {
								*vars = *BLK_SKIP(series, index & ~1);
								if (IS_END(vars+1)) index++; // only words
							}
							else if (j == 1)
								*vars = *BLK_SKIP(series, index);
							else
								Trap_Arg_DEAD_END(words);
							j++;
						}
						else {
							index += 2;
							goto skip_hidden;
						}
					}

					else { // A string or binary
						if (IS_BINARY(value)) {
							SET_INTEGER(vars, (REBI64)(BIN_HEAD(series)[index]));
						}
						else if (IS_IMAGE(value)) {
							Set_Tuple_Pixel(BIN_SKIP(series, index), vars);
						}
						else {
							VAL_SET(vars, REB_CHAR);
							VAL_CHAR(vars) = GET_ANY_CHAR(series, index);
						}
					}
					index++;
				}
				else SET_NONE(vars);
			}

			// var spec is SET_WORD:
			else if (IS_SET_WORD(words)) {
				if (ANY_OBJECT(value) || IS_MAP(value)) {
					*vars = *value;
				} else {
					VAL_SET(vars, REB_BLOCK);
					VAL_SERIES(vars) = series;
					VAL_INDEX(vars) = index;
				}
				//if (index < tail) index++; // do not increment block.
			}
			else Trap_Arg_DEAD_END(words);
		}
		if (index == rindex) index++; //the word block has only set-words: foreach [a:] [1 2 3][]

		if (!DO_BLOCK(D_OUT, body, 0)) {
			if ((err = Check_Error(D_OUT)) >= 0) {
				index = rindex;
				break;
			}
			// else CONTINUE:
			if (mode == 1) SET_FALSE(D_OUT); // keep the value (for mode == 1)
		} else {
			err = 0; // prevent later test against uninitialized value
		}

		if (mode > 0) {
			//if (ANY_OBJECT(value)) Trap_Types_DEAD_END(words, REB_BLOCK, VAL_TYPE(value)); //check not needed

			// If FALSE return, copy values to the write location:
			if (mode == 1) {  // remove-each
				if (IS_CONDITIONAL_FALSE(D_OUT)) {
					REBCNT wide = SERIES_WIDE(series);
					// memory areas may overlap, so use memmove and not memcpy!
					memmove(series->data + (windex * wide), series->data + (rindex * wide), (index - rindex) * wide);
					windex += index - rindex;
					// old: while (rindex < index) *BLK_SKIP(series, windex++) = *BLK_SKIP(series, rindex++);
				}
			}
			else
				if (!IS_UNSET(D_OUT)) Append_Value(out, D_OUT); // (mode == 2)
		}
skip_hidden: ;
	}

	// Finish up:
	if (mode == 1) {
		// Remove hole (updates tail):
		if (windex < index) Remove_Series(series, windex, index - windex);
		SET_INTEGER(D_OUT, index - windex);

		return R_OUT;
	}

	// If MAP...
	if (mode == 2) {
		UNSAVE_SERIES(out);
		if (err != 2) {
			// ...and not BREAK/RETURN:
			Set_Block(D_OUT, out);
			return R_OUT;
		}
	}

	return R_OUT;
}
Exemplo n.º 26
0
*/	void Make_Block_Type(REBFLG make, REBVAL *value, REBVAL *arg)
/*
**		Value can be:
**			1. a datatype (e.g. BLOCK!)
**			2. a value (e.g. [...])
**
**		Arg can be:
**			1. integer (length of block)
**			2. block (copy it)
**			3. value (convert to a block)
**
***********************************************************************/
{
	REBCNT type;
	REBCNT len;
	REBSER *ser;

	// make block! ...
	if (IS_DATATYPE(value))
		type = VAL_DATATYPE(value);
	else  // make [...] ....
		type = VAL_TYPE(value);

	// make block! [1 2 3]
	if (ANY_BLOCK(arg)) {
		len = VAL_BLK_LEN(arg);
		if (len > 0 && type >= REB_PATH && type <= REB_LIT_PATH)
			No_Nones(arg);
		ser = Copy_Values(VAL_BLK_DATA(arg), len);
		goto done;
	}

	if (IS_STRING(arg)) {
		REBCNT index, len = 0;
		VAL_SERIES(arg) = Prep_Bin_Str(arg, &index, &len); // (keeps safe)
		ser = Scan_Source(VAL_BIN(arg), VAL_LEN(arg));
		goto done;
	}

	if (IS_BINARY(arg)) {
		ser = Scan_Source(VAL_BIN_DATA(arg), VAL_LEN(arg));
		goto done;
	}

	if (IS_MAP(arg)) {
		ser = Map_To_Block(VAL_SERIES(arg), 0);
		goto done;
	}

	if (ANY_OBJECT(arg)) {
		ser = Make_Object_Block(VAL_OBJ_FRAME(arg), 3);
		goto done;
	}

	if (IS_VECTOR(arg)) {
		ser = Make_Vector_Block(arg);
		goto done;
	}

//	if (make && IS_NONE(arg)) {
//		ser = Make_Block(0);
//		goto done;
//	}

	// to block! typset
	if (!make && IS_TYPESET(arg) && type == REB_BLOCK) {
		Set_Block(value, Typeset_To_Block(arg));
		return;
	}

	if (make) {
		// make block! 10
		if (IS_INTEGER(arg) || IS_DECIMAL(arg)) {
			len = Int32s(arg, 0);
			Set_Series(type, value, Make_Block(len));
			return;
		}
		Trap_Arg(arg);
	}

	ser = Copy_Values(arg, 1);

done:
	Set_Series(type, value, ser);
	return;
}
Exemplo n.º 27
0
Arquivo: t-gob.c Projeto: Oldes/r3
*/	static REBFLG Set_GOB_Var(REBGOB *gob, REBVAL *word, REBVAL *val)
/*
***********************************************************************/
{
	REBVAL *spec;
	REBVAL *hndl;

	switch (VAL_WORD_CANON(word)) {
	case SYM_OFFSET:
		return Set_Pair(&(gob->offset), val);

	case SYM_SIZE:
		return Set_Pair(&gob->size, val);

	case SYM_IMAGE:
		CLR_GOB_OPAQUE(gob);
		if (IS_IMAGE(val)) {
			SET_GOB_TYPE(gob, GOBT_IMAGE);
			GOB_W(gob) = (REBD32)VAL_IMAGE_WIDE(val);
			GOB_H(gob) = (REBD32)VAL_IMAGE_HIGH(val);
			GOB_CONTENT(gob) = VAL_SERIES(val);
//			if (!VAL_IMAGE_TRANSP(val)) SET_GOB_OPAQUE(gob);
		}
		else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
		else return FALSE;
		break;
#ifdef HAS_WIDGET_GOB
	case SYM_WIDGET:
		//printf("WIDGET GOB\n");
		SET_GOB_TYPE(gob, GOBT_WIDGET);
		SET_GOB_OPAQUE(gob);

		GOB_CONTENT(gob) = Make_Block(4);      // [handle type spec data]
		hndl = Append_Value(GOB_CONTENT(gob));
		       Append_Value(GOB_CONTENT(gob)); // used to cache type on host's side
		spec = Append_Value(GOB_CONTENT(gob));
		       Append_Value(GOB_CONTENT(gob)); // used to cache result data

		SET_HANDLE(hndl, 0, SYM_WIDGET, 0);
		
		if (IS_WORD(val) || IS_LIT_WORD(val)) {
			Set_Block(spec, Make_Block(1));
			Append_Val(VAL_SERIES(spec), val);
		}
		else if (IS_BLOCK(val)) {
			Set_Block(spec, VAL_SERIES(val));
		}
		else return FALSE;
		break;
#endif // HAS_WIDGET_GOB

	case SYM_DRAW:
		CLR_GOB_OPAQUE(gob);
		if (IS_BLOCK(val)) {
			SET_GOB_TYPE(gob, GOBT_DRAW);
			GOB_CONTENT(gob) = VAL_SERIES(val);
		}
		else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
		else return FALSE;
		break;

	case SYM_TEXT:
		CLR_GOB_OPAQUE(gob);
		if (IS_BLOCK(val)) {
			SET_GOB_TYPE(gob, GOBT_TEXT);
			GOB_CONTENT(gob) = VAL_SERIES(val);
		}
		else if (IS_STRING(val)) {
			SET_GOB_TYPE(gob, GOBT_STRING);
			GOB_CONTENT(gob) = VAL_SERIES(val);
		}
		else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
		else return FALSE;
		break;

	case SYM_EFFECT:
		CLR_GOB_OPAQUE(gob);
		if (IS_BLOCK(val)) {
			SET_GOB_TYPE(gob, GOBT_EFFECT);
			GOB_CONTENT(gob) = VAL_SERIES(val);
		}
		else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
		else return FALSE;
		break;

	case SYM_COLOR:
		CLR_GOB_OPAQUE(gob);
		if (IS_TUPLE(val)) {
			SET_GOB_TYPE(gob, GOBT_COLOR);
			Set_Pixel_Tuple((REBYTE*)&GOB_CONTENT(gob), val);
			if (VAL_TUPLE_LEN(val) < 4 || VAL_TUPLE(val)[3] == 255)
				SET_GOB_OPAQUE(gob);
		}
		else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
		break;

	case SYM_PANE:
		if (GOB_PANE(gob)) Clear_Series(GOB_PANE(gob));
		if (IS_BLOCK(val))
			Insert_Gobs(gob, VAL_BLK_DATA(val), 0, VAL_BLK_LEN(val), 0);
		else if (IS_GOB(val))
			Insert_Gobs(gob, val, 0, 1, 0);
		else if (IS_NONE(val))
			gob->pane = 0;
		else
			return FALSE;
		break;

	case SYM_ALPHA:
		GOB_ALPHA(gob) = Clip_Int(Int32(val), 0, 255);
		break;

	case SYM_DATA:
#ifdef HAS_WIDGET_GOB
		if (GOB_TYPE(gob) == GOBT_WIDGET) {
			OS_SET_WIDGET_DATA(gob, val);
		} else {
#endif
		SET_GOB_DTYPE(gob, GOBD_NONE);
		if (IS_OBJECT(val)) {
			SET_GOB_DTYPE(gob, GOBD_OBJECT);
			SET_GOB_DATA(gob, VAL_OBJ_FRAME(val));
		}
		else if (IS_BLOCK(val)) {
			SET_GOB_DTYPE(gob, GOBD_BLOCK);
			SET_GOB_DATA(gob, VAL_SERIES(val));
		}
		else if (IS_STRING(val)) {
			SET_GOB_DTYPE(gob, GOBD_STRING);
			SET_GOB_DATA(gob, VAL_SERIES(val));
		}
		else if (IS_BINARY(val)) {
			SET_GOB_DTYPE(gob, GOBD_BINARY);
			SET_GOB_DATA(gob, VAL_SERIES(val));
		}
		else if (IS_INTEGER(val)) {
			SET_GOB_DTYPE(gob, GOBD_INTEGER);
			SET_GOB_DATA(gob, (void*)(REBIPT)VAL_INT64(val));
		}
		else if (IS_NONE(val))
			SET_GOB_TYPE(gob, GOBT_NONE);
		else return FALSE;
#ifdef HAS_WIDGET_GOB
		}
#endif
		break;

	case SYM_FLAGS:
		if (IS_WORD(val)) Set_Gob_Flag(gob, val);
		else if (IS_BLOCK(val)) {
			gob->flags = 0;
			for (val = VAL_BLK(val); NOT_END(val); val++) {
				if (IS_WORD(val)) Set_Gob_Flag(gob, val);
			}
		}
		break;

	case SYM_OWNER:
		if (IS_GOB(val))
			GOB_TMP_OWNER(gob) = VAL_GOB(val);
		else
			return FALSE;
		break;

	default:
			return FALSE;
	}
	return TRUE;
}
Exemplo n.º 28
0
*/  REBSER *Make_Std_Object(REBCNT index)
/*
***********************************************************************/
{
	return CLONE_OBJECT(VAL_OBJ_FRAME(Get_System(SYS_STANDARD, index)));
}
Exemplo n.º 29
0
*/	 REBCNT Get_Part_Length(REBVAL *bval, REBVAL *eval)
/*
**		Determine the length of a /PART value.
**		If /PART value is an integer just use it.
**		If it is a series and it is the same series as the first,
**		use the difference between the two indices.
**
**		If the length ends up negative, back up the index as much
**		as possible. If backed up over the head, adjust the length.
**
**		Note: This one does not handle list datatypes.
**
***********************************************************************/
{
	REBINT	len;
	REBCNT	tail;

	if (IS_INTEGER(eval) || IS_DECIMAL(eval)) {
		len = Int32(eval);
		if (IS_SCALAR(bval) && VAL_TYPE(bval) != REB_PORT)
			Trap1(RE_INVALID_PART, bval);
	}
	else if (
		(
			// IF normal series and self referencing:
			VAL_TYPE(eval) >= REB_STRING &&
			VAL_TYPE(eval) <= REB_BLOCK &&
			VAL_TYPE(bval) == VAL_TYPE(eval) &&
			VAL_SERIES(bval) == VAL_SERIES(eval)
		) || (
			// OR IF it is a port:
			IS_PORT(bval) && IS_PORT(eval) &&
			VAL_OBJ_FRAME(bval) == VAL_OBJ_FRAME(eval)
		)
	)
		len = (REBINT)VAL_INDEX(eval) - (REBINT)VAL_INDEX(bval);
	else
		Trap1(RE_INVALID_PART, eval);
/* !!!!
	if (IS_PORT(bval)) {
		PORT_STATE_OBJ	*port;

		port = VAL_PORT(&VAL_PSP(bval)->state);
		if (PORT_FLAG(port) & PF_DIRECT)
			tail = 0x7fffffff;
		else
			tail = PORT_TAIL(VAL_PORT(&VAL_PSP(bval)->state));
	}
	else
*/		tail = VAL_TAIL(bval);

	if (len < 0) {
		len = -len;
		if (len > (REBINT)VAL_INDEX(bval))
			len = (REBINT)VAL_INDEX(bval);
		VAL_INDEX(bval) -= (REBCNT)len;
	}
	else if (!IS_INTEGER(eval) && (len + VAL_INDEX(bval)) > tail)
		len = (REBINT)(tail - VAL_INDEX(bval));

	return (REBCNT)len;
}
Exemplo n.º 30
0
Arquivo: t-gob.c Projeto: xqlab/r3
*/	static REBFLG Set_GOB_Var(REBGOB *gob, REBVAL *word, REBVAL *val)
/*
***********************************************************************/
{
    switch (VAL_WORD_CANON(word)) {
    case SYM_OFFSET:
        return Set_Pair(&(gob->offset), val);

    case SYM_SIZE:
        return Set_Pair(&gob->size, val);

    case SYM_IMAGE:
        CLR_GOB_OPAQUE(gob);
        if (IS_IMAGE(val)) {
            SET_GOB_TYPE(gob, GOBT_IMAGE);
            GOB_W(gob) = (REBD32)VAL_IMAGE_WIDE(val);
            GOB_H(gob) = (REBD32)VAL_IMAGE_HIGH(val);
            GOB_CONTENT(gob) = VAL_SERIES(val);
//			if (!VAL_IMAGE_TRANSP(val)) SET_GOB_OPAQUE(gob);
        }
        else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
        else return FALSE;
        break;

    case SYM_DRAW:
        CLR_GOB_OPAQUE(gob);
        if (IS_BLOCK(val)) {
            SET_GOB_TYPE(gob, GOBT_DRAW);
            GOB_CONTENT(gob) = VAL_SERIES(val);
        }
        else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
        else return FALSE;
        break;

    case SYM_TEXT:
        CLR_GOB_OPAQUE(gob);
        if (IS_BLOCK(val)) {
            SET_GOB_TYPE(gob, GOBT_TEXT);
            GOB_CONTENT(gob) = VAL_SERIES(val);
        }
        else if (IS_STRING(val)) {
            SET_GOB_TYPE(gob, GOBT_STRING);
            GOB_CONTENT(gob) = VAL_SERIES(val);
        }
        else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
        else return FALSE;
        break;

    case SYM_EFFECT:
        CLR_GOB_OPAQUE(gob);
        if (IS_BLOCK(val)) {
            SET_GOB_TYPE(gob, GOBT_EFFECT);
            GOB_CONTENT(gob) = VAL_SERIES(val);
        }
        else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
        else return FALSE;
        break;

    case SYM_COLOR:
        CLR_GOB_OPAQUE(gob);
        if (IS_TUPLE(val)) {
            SET_GOB_TYPE(gob, GOBT_COLOR);
            Set_Pixel_Tuple((REBYTE*)&GOB_CONTENT(gob), val);
            if (VAL_TUPLE_LEN(val) < 4 || VAL_TUPLE(val)[3] == 0)
                SET_GOB_OPAQUE(gob);
        }
        else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
        break;

    case SYM_PANE:
        if (GOB_PANE(gob)) Clear_Series(GOB_PANE(gob));
        if (IS_BLOCK(val))
            Insert_Gobs(gob, VAL_BLK_DATA(val), 0, VAL_BLK_LEN(val), 0);
        else if (IS_GOB(val))
            Insert_Gobs(gob, val, 0, 1, 0);
        else if (IS_NONE(val))
            gob->pane = 0;
        else
            return FALSE;
        break;

    case SYM_ALPHA:
        GOB_ALPHA(gob) = Clip_Int(Int32(val), 0, 255);
        break;

    case SYM_DATA:
        SET_GOB_DTYPE(gob, GOBD_NONE);
        if (IS_OBJECT(val)) {
            SET_GOB_DTYPE(gob, GOBD_OBJECT);
            SET_GOB_DATA(gob, VAL_OBJ_FRAME(val));
        }
        else if (IS_BLOCK(val)) {
            SET_GOB_DTYPE(gob, GOBD_BLOCK);
            SET_GOB_DATA(gob, VAL_SERIES(val));
        }
        else if (IS_STRING(val)) {
            SET_GOB_DTYPE(gob, GOBD_STRING);
            SET_GOB_DATA(gob, VAL_SERIES(val));
        }
        else if (IS_BINARY(val)) {
            SET_GOB_DTYPE(gob, GOBD_BINARY);
            SET_GOB_DATA(gob, VAL_SERIES(val));
        }
        else if (IS_INTEGER(val)) {
            SET_GOB_DTYPE(gob, GOBD_INTEGER);
            SET_GOB_DATA(gob, (void*)(REBIPT)VAL_INT64(val));
        }
        else if (IS_NONE(val))
            SET_GOB_TYPE(gob, GOBT_NONE);
        else return FALSE;
        break;

    case SYM_FLAGS:
        if (IS_WORD(val)) Set_Gob_Flag(gob, val);
        else if (IS_BLOCK(val)) {
            gob->flags = 0;
            for (val = VAL_BLK(val); NOT_END(val); val++) {
                if (IS_WORD(val)) Set_Gob_Flag(gob, val);
            }
        }
        break;

    case SYM_OWNER:
        if (IS_GOB(val))
            GOB_TMP_OWNER(gob) = VAL_GOB(val);
        else
            return FALSE;
        break;

    default:
        return FALSE;
    }
    return TRUE;
}