Example #1
0
File: t-logic.c Project: mbk/ren-c
*/	REBINT CT_Logic(REBVAL *a, REBVAL *b, REBINT mode)
/*
***********************************************************************/
{
	if (mode >= 0)  return (VAL_LOGIC(a) == VAL_LOGIC(b));
	return -1;
}
Example #2
0
*/	REBINT Get_Num_Arg(REBVAL *val)
/*
**		Get the amount to skip or pick.
**		Allow multiple types. Throw error if not valid.
**		Note that the result is one-based.
**
***********************************************************************/
{
	REBINT n;

	if (IS_INTEGER(val)) {
		if (VAL_INT64(val) > (i64)MAX_I32 || VAL_INT64(val) < (i64)MIN_I32)
			Trap_Range(val);
		n = VAL_INT32(val);
	}
	else if (IS_DECIMAL(val) || IS_PERCENT(val)) {
		if (VAL_DECIMAL(val) > MAX_I32 || VAL_DECIMAL(val) < MIN_I32)
			Trap_Range(val);
		n = (REBINT)VAL_DECIMAL(val);
	}
	else if (IS_LOGIC(val)) n = (VAL_LOGIC(val) ? 1 : 2);
	else Trap_Arg(val);

	return n;
}
Example #3
0
*/	REBFLG Get_Logic_Arg(REBVAL *arg)
/*
***********************************************************************/
{
	if (IS_NONE(arg)) return 0;
	if (IS_INTEGER(arg)) return (VAL_INT64(arg) != 0);
	if (IS_LOGIC(arg)) return (VAL_LOGIC(arg) != 0);
	if (IS_DECIMAL(arg) || IS_PERCENT(arg)) return (VAL_DECIMAL(arg) != 0.0);
	Trap_Arg(arg);
	DEAD_END;
}
Example #4
0
*/	REBINT Awake_System(REBSER *ports, REBINT only)
/*
**	Returns:
**		-1 for errors
**		 0 for nothing to do
**		 1 for wait is satisifed
**
***********************************************************************/
{
	REBVAL *port;
	REBVAL *state;
	REBVAL *waked;
	REBVAL *awake;
	REBVAL tmp;
	REBVAL ref_only;
	REBINT result;
	REBVAL out;

	// Get the system port object:
	port = Get_System(SYS_PORTS, PORTS_SYSTEM);
	if (!IS_PORT(port)) return -10; // verify it is a port object

	// Get wait queue block (the state field):
	state = VAL_OBJ_VALUE(port, STD_PORT_STATE);
	if (!IS_BLOCK(state)) return -10;
	//Debug_Num("S", VAL_TAIL(state));

	// Get waked queue block:
	waked = VAL_OBJ_VALUE(port, STD_PORT_DATA);
	if (!IS_BLOCK(waked)) return -10;

	// If there is nothing new to do, return now:
	if (VAL_TAIL(state) == 0 && VAL_TAIL(waked) == 0) return -1;

	//Debug_Num("A", VAL_TAIL(waked));
	// Get the system port AWAKE function:
	awake = VAL_OBJ_VALUE(port, STD_PORT_AWAKE);
	if (!ANY_FUNC(awake)) return -1;
	if (ports) Val_Init_Block(&tmp, ports);
	else SET_NONE(&tmp);

	if (only) SET_TRUE(&ref_only);
	else SET_NONE(&ref_only);
	// Call the system awake function:
	if (Apply_Func_Throws(&out, awake, port, &tmp, &ref_only, 0))
		raise Error_No_Catch_For_Throw(&out);

	// Awake function returns 1 for end of WAIT:
	result = (IS_LOGIC(&out) && VAL_LOGIC(&out)) ? 1 : 0;

	return result;
}
Example #5
0
STOID Mold_Logic(REB_MOLD *mold, REBVAL *value)
{
	REBYTE buf[20];
	Pre_Mold(value, mold);

	INT_TO_STR(VAL_LOGIC(value), buf);
	Append_Bytes(mold->series, buf);
	Append_Byte(mold->series, ' ');

	old_Block_Series(mold, BLK_HEAD(VAL_LOGIC_WORDS(value)), 0);

	End_Mold(mold);
}
Example #6
0
*/	void Do_Action(REBVAL *func)
/*
***********************************************************************/
{
	REBVAL *ds = DS_OUT;
	REBCNT type = VAL_TYPE(D_ARG(1));

	Eval_Natives++;

	assert(type < REB_MAX);

	// Handle special datatype test cases (eg. integer?)
	if (VAL_FUNC_ACT(func) == 0) {
		VAL_SET(D_OUT, REB_LOGIC);
		VAL_LOGIC(D_OUT) = (type == VAL_INT64(BLK_LAST(VAL_FUNC_SPEC(func))));
		return;
	}

	Do_Act(D_OUT, type, VAL_FUNC_ACT(func));
}
Example #7
0
//
//  Get_Num_From_Arg: C
// 
// Get the amount to skip or pick.
// Allow multiple types. Throw error if not valid.
// Note that the result is one-based.
//
REBINT Get_Num_From_Arg(const REBVAL *val)
{
    REBINT n;

    if (IS_INTEGER(val)) {
        if (VAL_INT64(val) > (i64)MAX_I32 || VAL_INT64(val) < (i64)MIN_I32)
            fail (Error_Out_Of_Range(val));
        n = VAL_INT32(val);
    }
    else if (IS_DECIMAL(val) || IS_PERCENT(val)) {
        if (VAL_DECIMAL(val) > MAX_I32 || VAL_DECIMAL(val) < MIN_I32)
            fail (Error_Out_Of_Range(val));
        n = (REBINT)VAL_DECIMAL(val);
    }
    else if (IS_LOGIC(val))
        n = (VAL_LOGIC(val) ? 1 : 2);
    else
        fail (Error_Invalid_Arg(val));

    return n;
}
Example #8
0
//
//  Do_Breakpoint_Throws: C
//
// A call to Do_Breakpoint_Throws does delegation to a hook in the host, which
// (if registered) will generally start an interactive session for probing the
// environment at the break.  The `resume` native cooperates by being able to
// give back a value (or give back code to run to produce a value) that the
// call to breakpoint returns.
//
// RESUME has another feature, which is to be able to actually unwind and
// simulate a return /AT a function *further up the stack*.  (This may be
// switched to a feature of a "STEP OUT" command at some point.)
//
REBOOL Do_Breakpoint_Throws(
    REBVAL *out,
    REBOOL interrupted, // Ctrl-C (as opposed to a BREAKPOINT)
    const REBVAL *default_value,
    REBOOL do_default
) {
    REBVAL *target = NONE_VALUE;

    REBVAL temp;
    VAL_INIT_WRITABLE_DEBUG(&temp);

    if (!PG_Breakpoint_Quitting_Hook) {
        //
        // Host did not register any breakpoint handler, so raise an error
        // about this as early as possible.
        //
        fail (Error(RE_HOST_NO_BREAKPOINT));
    }

    // We call the breakpoint hook in a loop, in order to keep running if any
    // inadvertent FAILs or THROWs occur during the interactive session.
    // Only a conscious call of RESUME speaks the protocol to break the loop.
    //
    while (TRUE) {
        struct Reb_State state;
        REBCTX *error;

    push_trap:
        PUSH_TRAP(&error, &state);

        // The host may return a block of code to execute, but cannot
        // while evaluating do a THROW or a FAIL that causes an effective
        // "resumption".  Halt is the exception, hence we PUSH_TRAP and
        // not PUSH_UNHALTABLE_TRAP.  QUIT is also an exception, but a
        // desire to quit is indicated by the return value of the breakpoint
        // hook (which may or may not decide to request a quit based on the
        // QUIT command being run).
        //
        // The core doesn't want to get involved in presenting UI, so if
        // an error makes it here and wasn't trapped by the host first that
        // is a bug in the host.  It should have done its own PUSH_TRAP.
        //
        if (error) {
        #if !defined(NDEBUG)
            REBVAL error_value;
            VAL_INIT_WRITABLE_DEBUG(&error_value);

            Val_Init_Error(&error_value, error);
            PROBE_MSG(&error_value, "Error not trapped during breakpoint:");
            Panic_Array(CTX_VARLIST(error));
        #endif

            // In release builds, if an error managed to leak out of the
            // host's breakpoint hook somehow...just re-push the trap state
            // and try it again.
            //
            goto push_trap;
        }

        // Call the host's breakpoint hook.
        //
        if (PG_Breakpoint_Quitting_Hook(&temp, interrupted)) {
            //
            // If a breakpoint hook returns TRUE that means it wants to quit.
            // The value should be the /WITH value (as in QUIT/WITH)
            //
            assert(!THROWN(&temp));
            *out = *ROOT_QUIT_NATIVE;
            CONVERT_NAME_TO_THROWN(out, &temp, FALSE);
            return TRUE; // TRUE = threw
        }

        // If a breakpoint handler returns FALSE, then it should have passed
        // back a "resume instruction" triggered by a call like:
        //
        //     resume/do [fail "This is how to fail from a breakpoint"]
        //
        // So now that the handler is done, we will allow any code handed back
        // to do whatever FAIL it likes vs. trapping that here in a loop.
        //
        DROP_TRAP_SAME_STACKLEVEL_AS_PUSH(&state);

        // Decode and process the "resume instruction"
        {
            struct Reb_Frame *frame;
            REBVAL *mode;
            REBVAL *payload;

            assert(IS_GROUP(&temp));
            assert(VAL_LEN_HEAD(&temp) == RESUME_INST_MAX);

            mode = VAL_ARRAY_AT_HEAD(&temp, RESUME_INST_MODE);
            payload = VAL_ARRAY_AT_HEAD(&temp, RESUME_INST_PAYLOAD);
            target = VAL_ARRAY_AT_HEAD(&temp, RESUME_INST_TARGET);

            // The first thing we need to do is determine if the target we
            // want to return to has another breakpoint sandbox blocking
            // us.  If so, what we need to do is actually retransmit the
            // resume instruction so it can break that wall, vs. transform
            // it into an EXIT/FROM that would just get intercepted.
            //
            if (!IS_NONE(target)) {
            #if !defined(NDEBUG)
                REBOOL found = FALSE;
            #endif

                for (frame = FS_TOP; frame != NULL; frame = frame->prior) {
                    if (frame->mode != CALL_MODE_FUNCTION)
                        continue;

                    if (
                        frame != FS_TOP
                        && FUNC_CLASS(frame->func) == FUNC_CLASS_NATIVE
                        && (
                            FUNC_CODE(frame->func) == &N_pause
                            || FUNC_CODE(frame->func) == &N_breakpoint
                        )
                    ) {
                        // We hit a breakpoint (that wasn't this call to
                        // breakpoint, at the current FS_TOP) before finding
                        // the sought after target.  Retransmit the resume
                        // instruction so that level will get it instead.
                        //
                        *out = *ROOT_RESUME_NATIVE;
                        CONVERT_NAME_TO_THROWN(out, &temp, FALSE);
                        return TRUE; // TRUE = thrown
                    }

                    if (IS_FRAME(target)) {
                        if (NOT(frame->flags & DO_FLAG_FRAME_CONTEXT))
                            continue;
                        if (
                            VAL_CONTEXT(target)
                            == AS_CONTEXT(frame->data.context)
                        ) {
                            // Found a closure matching the target before we
                            // reached a breakpoint, no need to retransmit.
                            //
                        #if !defined(NDEBUG)
                            found = TRUE;
                        #endif
                            break;
                        }
                    }
                    else {
                        assert(IS_FUNCTION(target));
                        if (frame->flags & DO_FLAG_FRAME_CONTEXT)
                            continue;
                        if (VAL_FUNC(target) == frame->func) {
                            //
                            // Found a function matching the target before we
                            // reached a breakpoint, no need to retransmit.
                            //
                        #if !defined(NDEBUG)
                            found = TRUE;
                        #endif
                            break;
                        }
                    }
                }

                // RESUME should not have been willing to use a target that
                // is not on the stack.
                //
            #if !defined(NDEBUG)
                assert(found);
            #endif
            }

            if (IS_NONE(mode)) {
                //
                // If the resume instruction had no /DO or /WITH of its own,
                // then it doesn't override whatever the breakpoint provided
                // as a default.  (If neither the breakpoint nor the resume
                // provided a /DO or a /WITH, result will be UNSET.)
                //
                goto return_default; // heeds `target`
            }

            assert(IS_LOGIC(mode));

            if (VAL_LOGIC(mode)) {
                if (DO_VAL_ARRAY_AT_THROWS(&temp, payload)) {
                    //
                    // Throwing is not compatible with /AT currently.
                    //
                    if (!IS_NONE(target))
                        fail (Error_No_Catch_For_Throw(&temp));

                    // Just act as if the BREAKPOINT call itself threw
                    //
                    *out = temp;
                    return TRUE; // TRUE = thrown
                }

                // Ordinary evaluation result...
            }
            else
                temp = *payload;
        }

        // The resume instruction will be GC'd.
        //
        goto return_temp;
    }

    DEAD_END;

return_default:

    if (do_default) {
        if (DO_VAL_ARRAY_AT_THROWS(&temp, default_value)) {
            //
            // If the code throws, we're no longer in the sandbox...so we
            // bubble it up.  Note that breakpoint runs this code at its
            // level... so even if you request a higher target, any throws
            // will be processed as if they originated at the BREAKPOINT
            // frame.  To do otherwise would require the EXIT/FROM protocol
            // to add support for DO-ing at the receiving point.
            //
            *out = temp;
            return TRUE; // TRUE = thrown
        }
    }
    else
        temp = *default_value; // generally UNSET! if no /WITH

return_temp:

    // The easy case is that we just want to return from breakpoint
    // directly, signaled by the target being NONE!.
    //
    if (IS_NONE(target)) {
        *out = temp;
        return FALSE; // FALSE = not thrown
    }

    // If the target is a function, then we're looking to simulate a return
    // from something up the stack.  This uses the same mechanic as
    // definitional returns--a throw named by the function or closure frame.
    //
    // !!! There is a weak spot in definitional returns for FUNCTION! that
    // they can only return to the most recent invocation; which is a weak
    // spot of FUNCTION! in general with stack relative variables.  Also,
    // natives do not currently respond to definitional returns...though
    // they can do so just as well as FUNCTION! can.
    //
    *out = *target;
    CONVERT_NAME_TO_THROWN(out, &temp, TRUE);

    return TRUE; // TRUE = thrown
}
Example #9
0
*/  void Mold_Value(REB_MOLD *mold, REBVAL *value, REBFLG molded)
/*
**		Mold or form any value to string series tail.
**
***********************************************************************/
{
	REBYTE buf[60];
	REBINT len;
	REBSER *ser = mold->series;

	CHECK_STACK(&len);

	ASSERT2(SERIES_WIDE(mold->series) == sizeof(REBUNI), RP_BAD_SIZE);
	ASSERT2(ser, RP_NO_BUFFER);

	// Special handling of string series: {
	if (ANY_STR(value) && !IS_TAG(value)) {

		// Forming a string:
		if (!molded) {
			Insert_String(ser, -1, VAL_SERIES(value), VAL_INDEX(value), VAL_LEN(value), 0);
			return;
		}

		// Special format for ALL string series when not at head:
		if (GET_MOPT(mold, MOPT_MOLD_ALL) && VAL_INDEX(value) != 0) {
			Mold_All_String(value, mold);
			return;
		}
	}

	switch (VAL_TYPE(value)) {
	case REB_NONE:
		Emit(mold, "+N", SYM_NONE);
		break;

	case REB_LOGIC:
//		if (!molded || !VAL_LOGIC_WORDS(value) || !GET_MOPT(mold, MOPT_MOLD_ALL))
			Emit(mold, "+N", VAL_LOGIC(value) ? SYM_TRUE : SYM_FALSE);
//		else
//			Mold_Logic(mold, value);
		break;

	case REB_INTEGER:
		len = Emit_Integer(buf, VAL_INT64(value));
		goto append;

	case REB_DECIMAL:
	case REB_PERCENT:
		len = Emit_Decimal(buf, VAL_DECIMAL(value), IS_PERCENT(value)?DEC_MOLD_PERCENT:0,
			Punctuation[GET_MOPT(mold, MOPT_COMMA_PT) ? PUNCT_COMMA : PUNCT_DOT], mold->digits);
		goto append;

	case REB_MONEY:
		len = Emit_Money(value, buf, mold->opts);
		goto append;

	case REB_CHAR:
		Mold_Uni_Char(ser, VAL_CHAR(value), (REBOOL)molded, (REBOOL)GET_MOPT(mold, MOPT_MOLD_ALL));
		break;

	case REB_PAIR:
		len = Emit_Decimal(buf, VAL_PAIR_X(value), DEC_MOLD_MINIMAL, Punctuation[PUNCT_DOT], mold->digits/2);
		Append_Bytes_Len(ser, buf, len);
		Append_Byte(ser, 'x');
		len = Emit_Decimal(buf, VAL_PAIR_Y(value), DEC_MOLD_MINIMAL, Punctuation[PUNCT_DOT], mold->digits/2);
		Append_Bytes_Len(ser, buf, len);
		//Emit(mold, "IxI", VAL_PAIR_X(value), VAL_PAIR_Y(value));
		break;

	case REB_TUPLE:
		len = Emit_Tuple(value, buf);
		goto append;

	case REB_TIME:
		//len = Emit_Time(value, buf, Punctuation[GET_MOPT(mold, MOPT_COMMA_PT) ? PUNCT_COMMA : PUNCT_DOT]);
		Emit_Time(mold, value);
		break;

	case REB_DATE:
		Emit_Date(mold, value);
		break;

	case REB_STRING:
		// FORM happens in top section.
		Mold_String_Series(value, mold);
		break;

	case REB_BINARY:
		if (GET_MOPT(mold, MOPT_MOLD_ALL) && VAL_INDEX(value) != 0) {
			Mold_All_String(value, mold);
			return;
		}
		Mold_Binary(value, mold);
		break;

	case REB_FILE:
		if (VAL_LEN(value) == 0) {
			Append_Bytes(ser, "%\"\"");
			break;
		}
		Mold_File(value, mold);
		break;

	case REB_EMAIL:
	case REB_URL:
		Mold_Url(value, mold);
		break;

	case REB_TAG:
		if (GET_MOPT(mold, MOPT_MOLD_ALL) && VAL_INDEX(value) != 0) {
			Mold_All_String(value, mold);
			return;
		}
		Mold_Tag(value, mold);
		break;

//		Mold_Issue(value, mold);
//		break;

	case REB_BITSET:
		Pre_Mold(value, mold); // #[bitset! or make bitset!
		Mold_Bitset(value, mold);
		End_Mold(mold);
		break;

	case REB_IMAGE:
		Pre_Mold(value, mold);
		if (!GET_MOPT(mold, MOPT_MOLD_ALL)) {
			Append_Byte(ser, '[');
			Mold_Image_Data(value, mold);
			Append_Byte(ser, ']');
			End_Mold(mold);
		}
		else {
			REBVAL val = *value;
			VAL_INDEX(&val) = 0; // mold all of it
			Mold_Image_Data(&val, mold);
			Post_Mold(value, mold);
		}
		break;

	case REB_BLOCK:
	case REB_PAREN:
		if (!molded)
			Form_Block_Series(VAL_SERIES(value), VAL_INDEX(value), mold, 0);
		else
			Mold_Block(value, mold);
		break;

	case REB_PATH:
	case REB_SET_PATH:
	case REB_GET_PATH:
	case REB_LIT_PATH:
		Mold_Block(value, mold);
		break;

	case REB_VECTOR:
		Mold_Vector(value, mold, molded);
		break;

	case REB_DATATYPE:
		if (!molded)
			Emit(mold, "N", VAL_DATATYPE(value) + 1);
		else
			Emit(mold, "+DN", SYM_DATATYPE_TYPE, VAL_DATATYPE(value) + 1);
		break;

	case REB_TYPESET:
		Mold_Typeset(value, mold, molded);
		break;

	case REB_WORD:
		// This is a high frequency function, so it is optimized.
		Append_UTF8(ser, Get_Sym_Name(VAL_WORD_SYM(value)), -1);
		break;

	case REB_SET_WORD:
		Emit(mold, "W:", value);
		break;

	case REB_GET_WORD:
		Emit(mold, ":W", value);
		break;

	case REB_LIT_WORD:
		Emit(mold, "\'W", value);
		break;

	case REB_REFINEMENT:
		Emit(mold, "/W", value);
		break;

	case REB_ISSUE:
		Emit(mold, "#W", value);
		break;

	case REB_CLOSURE:
	case REB_FUNCTION:
	case REB_NATIVE:
	case REB_ACTION:
	case REB_COMMAND:
		Mold_Function(value, mold);
		break;

	case REB_OBJECT:
	case REB_MODULE:
	case REB_PORT:
		if (!molded) Form_Object(value, mold);
		else Mold_Object(value, mold);
		break;

	case REB_TASK:
		Mold_Object(value, mold); //// | (1<<MOPT_NO_NONE));
		break;

	case REB_ERROR:
		Mold_Error(value, mold, molded);
		break;

	case REB_MAP:
		Mold_Map(value, mold, molded);
		break;

	case REB_GOB:
	{
		REBSER *blk;
		Pre_Mold(value, mold);
		blk = Gob_To_Block(VAL_GOB(value));
		Mold_Block_Series(mold, blk, 0, 0);
		End_Mold(mold);
	}
		break;

	
	case REB_EVENT:
		Mold_Event(value, mold);
		break;

	case REB_REBCODE:
	case REB_OP:
	case REB_FRAME:
	case REB_HANDLE:
	case REB_STRUCT:
	case REB_LIBRARY:
	case REB_UTYPE:
		// Value has no printable form, so just print its name.
		if (!molded) Emit(mold, "?T?", value);
		else Emit(mold, "+T", value);
		break;

	case REB_END:
	case REB_UNSET:
		if (molded) Emit(mold, "+T", value);
		break;

	default:
		Crash(RP_DATATYPE+5, VAL_TYPE(value));
	}
	return;

append:
	Append_Bytes_Len(ser, buf, len);

}
Example #10
0
*/	REBINT Text_Gob(void *richtext, REBSER *block)
/*
**		Handles all commands for the TEXT dialect as specified
**		in the system/dialects/text object.
**
**		This function calls the REBOL_Dialect interpreter to
**		parse the dialect and build and return the command number
**		(the index offset in the text object above) and a block
**		of arguments. (For now, just a REBOL block, but this could
**		be changed to isolate it from changes in REBOL's internals).
**
**		Each arg will be of the specified datatype (given in the
**		dialect) or NONE when no argument of that type was given
**		and this code must determine the proper default value.
**
**		If the cmd result is zero, then it is either the end of
**		the block, or an error has occurred. If the error value
**		is non-zero, then it was an error.
**
***********************************************************************/
{
	REBCNT index = 0;
	REBINT cmd;
	REBSER *args = 0;
	REBVAL *arg;
	REBCNT nargs;

	//font object conversion related values
	REBFNT* font;
	REBVAL* val;
	REBPAR  offset;
	REBPAR  space;

	//para object conversion related values
	REBPRA* para;
	REBPAR  origin;
	REBPAR  margin;
	REBPAR  indent;
	REBPAR  scroll;

	do {
		cmd = Reb_Dialect(DIALECTS_TEXT, block, &index, &args);

		if (cmd == 0) return 0;
		if (cmd < 0) {
//			Reb_Print("ERROR: %d, Index %d", -cmd, index);
			return -((REBINT)index+1);
		}
//		else
//			Reb_Print("TEXT: Cmd %d, Index %d, Args %m", cmd, index, args);

		arg = BLK_HEAD(args);
		nargs = SERIES_TAIL(args);
//		Reb_Print("Number of args: %d", nargs);

		switch (cmd) {

		case TW_TYPE_SPEC:

			if (IS_STRING(arg)) {
				rt_text(richtext, ARG_STRING(0), index);
			} else if (IS_TUPLE(arg)) {
				rt_color(richtext, ARG_TUPLE(0));
			}
			break;
		case TW_ANTI_ALIAS:
			rt_anti_alias(richtext, ARG_OPT_LOGIC(0));
			break;

		case TW_SCROLL:
			rt_scroll(richtext, ARG_PAIR(0));
			break;

		case TW_BOLD:
		case TW_B:
			rt_bold(richtext, ARG_OPT_LOGIC(0));
			break;

		case TW_ITALIC:
		case TW_I:
			rt_italic(richtext, ARG_OPT_LOGIC(0));
			break;

		case TW_UNDERLINE:
		case TW_U:
			rt_underline(richtext, ARG_OPT_LOGIC(0));
			break;
		case TW_CENTER:
			rt_center(richtext);
			break;
		case TW_LEFT:
			rt_left(richtext);
			break;
		case TW_RIGHT:
			rt_right(richtext);
			break;
		case TW_FONT:

		if (!IS_OBJECT(arg)) break;

		font = (REBFNT*)rt_get_font(richtext);

		val = BLK_HEAD(ARG_OBJECT(0))+1;

		if (IS_STRING(val)) {
			font->name = VAL_STRING(val);
		}

//		Reb_Print("font/name: %s", font->name);

		val++;

		if (IS_BLOCK(val)) {
			REBSER* styles = VAL_SERIES(val);
			REBVAL* slot = BLK_HEAD(styles);
			REBCNT len = SERIES_TAIL(styles) ,i;

			for (i = 0;i<len;i++){
				if (IS_WORD(slot+i)){
					set_font_styles(font, slot+i);
				}
			}

		} else if (IS_WORD(val)) {
			set_font_styles(font, val);
		}

		val++;
		if (IS_INTEGER(val)) {
			font->size = VAL_INT32(val);
		}

//		Reb_Print("font/size: %d", font->size);

		val++;
		if ((IS_TUPLE(val)) || (IS_NONE(val))) {
			COPY_MEM(font->color,VAL_TUPLE(val), 4);
		}

//		Reb_Print("font/color: %d.%d.%d.%d", font->color[0],font->color[1],font->color[2],font->color[3]);

		val++;
		if ((IS_PAIR(val)) || (IS_NONE(val))) {
			offset = VAL_PAIR(val);
			font->offset_x = offset.x;
			font->offset_y = offset.y;
		}

//		Reb_Print("font/offset: %dx%d", offset.x,offset.y);

		val++;
		if ((IS_PAIR(val)) || (IS_NONE(val))) {
			space = VAL_PAIR(val);
			font->space_x = space.x;
			font->space_y = space.y;
		}

//		Reb_Print("font/space: %dx%d", space.x, space.y);


		val++;

		font->shadow_x = 0;
		font->shadow_y = 0;

		if (IS_BLOCK(val)) {
			REBSER* ser = VAL_SERIES(val);
			REBVAL* slot = BLK_HEAD(ser);
			REBCNT len = SERIES_TAIL(ser) ,i;

			for (i = 0;i<len;i++){
				if (IS_PAIR(slot)) {
					REBPAR shadow = VAL_PAIR(slot);
					font->shadow_x = shadow.x;
					font->shadow_y = shadow.y;
				} else if (IS_TUPLE(slot)) {
					COPY_MEM(font->shadow_color,VAL_TUPLE(slot), 4);
				} else if (IS_INTEGER(slot)) {
					font->shadow_blur = VAL_INT32(slot);
				}
				slot++;
			}
		} else if (IS_PAIR(val)) {
			REBPAR shadow = VAL_PAIR(val);
			font->shadow_x = shadow.x;
			font->shadow_y = shadow.y;
		}

			rt_font(richtext, font);
			break;

		case TW_PARA:
			if (!IS_OBJECT(arg)) break;

			para = (REBPRA*)rt_get_para(richtext);

			val = BLK_HEAD(ARG_OBJECT(0))+1;


			if (IS_PAIR(val)) {
				origin = VAL_PAIR(val);
				para->origin_x = origin.x;
				para->origin_y = origin.y;
			}

//			Reb_Print("para/origin: %dx%d", origin.x, origin.y);

			val++;
			if (IS_PAIR(val)) {
				margin = VAL_PAIR(val);
				para->margin_x = margin.x;
				para->margin_y = margin.y;
			}

//			Reb_Print("para/margin: %dx%d", margin.x, margin.y);

			val++;
			if (IS_PAIR(val)) {
				indent = VAL_PAIR(val);
				para->indent_x = indent.x;
				para->indent_y = indent.y;
			}

//			Reb_Print("para/indent: %dx%d", indent.x, indent.y);

			val++;
			if (IS_INTEGER(val)) {
				para->tabs = VAL_INT32(val);
			}

//			Reb_Print("para/tabs: %d", para->tabs);

			val++;
			if (IS_LOGIC(val)) {
				para->wrap = VAL_LOGIC(val);
			}

//			Reb_Print("para/wrap?: %d", para->wrap);

			val++;
			if (IS_PAIR(val)) {
				scroll = VAL_PAIR(val);
				para->scroll_x = scroll.x;
				para->scroll_y = scroll.y;
			}
//			Reb_Print("para/scroll: %dx%d", scroll.x, scroll.y);

			val++;

			if (IS_WORD(val)) {
				REBINT result = Reb_Find_Word(VAL_WORD_SYM(val), Symbol_Ids, 0);
				switch (result){
					case SW_RIGHT:
					case SW_LEFT:
					case SW_CENTER:
						para->align = result;
						break;
					default:
						para->align = SW_LEFT;
						break;
				}

			}

			val++;

			if (IS_WORD(val)) {
				REBINT result = Reb_Find_Word(VAL_WORD_SYM(val), Symbol_Ids, 0);
				switch (result){
					case SW_TOP:
					case SW_BOTTOM:
					case SW_MIDDLE:
						para->valign = result;
						break;
					default:
						para->valign = SW_TOP;
						break;
				}
			}

			rt_para(richtext, para);
			break;

		case TW_SIZE:
			rt_font_size(richtext, ARG_INTEGER(0));
			break;

		case TW_SHADOW:
			rt_shadow(richtext, &ARG_PAIR(0), ARG_TUPLE(1), ARG_INTEGER(2));
			break;

		case TW_DROP:
			rt_drop(richtext, ARG_OPT_INTEGER(0));
			break;

		case TW_NEWLINE:
		case TW_NL:
			rt_newline(richtext, index);
			break;
		case TW_CARET:
			{
				REBPAR caret = {0,0};
				REBPAR highlightStart = {0,0};
				REBPAR highlightEnd = {0,0};
				REBVAL *slot;
				if (!IS_OBJECT(arg)) break;

				val = BLK_HEAD(ARG_OBJECT(0))+1;
				if (IS_BLOCK(val)) {
					slot = BLK_HEAD(VAL_SERIES(val));
					if (SERIES_TAIL(VAL_SERIES(val)) == 2 && IS_BLOCK(slot) && IS_STRING(slot+1)){
						caret.x = 1 + slot->data.series.index;
						caret.y = 1 + (slot+1)->data.series.index;;
						//Reb_Print("caret %d, %d", caret.x, caret.y);
					}
				}
				val++;
				if (IS_BLOCK(val)) {
					slot = BLK_HEAD(VAL_SERIES(val));
					if (SERIES_TAIL(VAL_SERIES(val)) == 2 && IS_BLOCK(slot) && IS_STRING(slot+1)){
						highlightStart.x = 1 + slot->data.series.index;
						highlightStart.y = 1 + (slot+1)->data.series.index;;
						//Reb_Print("highlight-start %d, %d", highlightStart.x, highlightStart.y);
					}
				}
				val++;
				if (IS_BLOCK(val)) {
					slot = BLK_HEAD(VAL_SERIES(val));
					if (SERIES_TAIL(VAL_SERIES(val)) == 2 && IS_BLOCK(slot) && IS_STRING(slot+1)){
						highlightEnd.x = 1 + slot->data.series.index;
						highlightEnd.y = 1 + (slot+1)->data.series.index;;
						//Reb_Print("highlight-End %d, %d", highlightEnd.x, highlightEnd.y);
					}
				}

				rt_caret(richtext, &caret, &highlightStart,&highlightEnd);
			}
			break;
		}
	} while (TRUE);
}
Example #11
0
*/	REBINT Cmp_Value(REBVAL *s, REBVAL *t, REBFLG is_case)
/*
**		Compare two values and return the difference.
**
**		is_case TRUE for case sensitive compare
**
***********************************************************************/
{
	REBDEC	d1, d2;

	if (VAL_TYPE(t) != VAL_TYPE(s) && !(IS_NUMBER(s) && IS_NUMBER(t)))
		return VAL_TYPE(s) - VAL_TYPE(t);

	switch(VAL_TYPE(s)) {

	case REB_INTEGER:
		if (IS_DECIMAL(t)) {
			d1 = (REBDEC)VAL_INT64(s);
			d2 = VAL_DECIMAL(t);
			goto chkDecimal;
		}
		return THE_SIGN(VAL_INT64(s) - VAL_INT64(t));

	case REB_LOGIC:
		return VAL_LOGIC(s) - VAL_LOGIC(t);

	case REB_CHAR:
		if (is_case) return THE_SIGN(VAL_CHAR(s) - VAL_CHAR(t));
		return THE_SIGN((REBINT)(UP_CASE(VAL_CHAR(s)) - UP_CASE(VAL_CHAR(t))));

	case REB_DECIMAL:
	case REB_MONEY:
			d1 = VAL_DECIMAL(s);
		if (IS_INTEGER(t))
			d2 = (REBDEC)VAL_INT64(t);
		else
			d2 = VAL_DECIMAL(t);
chkDecimal:
		if (Eq_Decimal(d1, d2))
			return 0;
		if (d1 < d2)
			return -1;
		return 1;

	case REB_PAIR:
		return Cmp_Pair(s, t);

	case REB_EVENT:
		return Cmp_Event(s, t);

	case REB_GOB:
		return Cmp_Gob(s, t);

	case REB_TUPLE:
		return Cmp_Tuple(s, t);

	case REB_TIME:
		return Cmp_Time(s, t);

	case REB_DATE:
		return Cmp_Date(s, t);

	case REB_BLOCK:
	case REB_PAREN:
	case REB_MAP:
	case REB_PATH:
	case REB_SET_PATH:
	case REB_GET_PATH:
	case REB_LIT_PATH:
		return Cmp_Block(s, t, is_case);

	case REB_STRING:
	case REB_FILE:
	case REB_EMAIL:
	case REB_URL:
	case REB_TAG:
		return Compare_String_Vals(s, t, (REBOOL)!is_case);

	case REB_BITSET:
	case REB_BINARY:
	case REB_IMAGE:
		return Compare_Binary_Vals(s, t);

	case REB_VECTOR:
		return Compare_Vector(s, t);

	case REB_DATATYPE:
		return VAL_DATATYPE(s) - VAL_DATATYPE(t);

	case REB_WORD:
	case REB_SET_WORD:
	case REB_GET_WORD:
	case REB_LIT_WORD:
	case REB_REFINEMENT:
	case REB_ISSUE:
		return Compare_Word(s,t,is_case);

	case REB_ERROR:
		return VAL_ERR_NUM(s) - VAL_ERR_NUM(s);

	case REB_OBJECT:
	case REB_MODULE:
	case REB_PORT:
		return VAL_OBJ_FRAME(s) - VAL_OBJ_FRAME(t);

	case REB_NATIVE:
		return &VAL_FUNC_CODE(s) - &VAL_FUNC_CODE(t);

	case REB_ACTION:
	case REB_COMMAND:
	case REB_OP:
	case REB_FUNCTION:
		return VAL_FUNC_BODY(s) - VAL_FUNC_BODY(t);

	case REB_NONE:
	case REB_UNSET:
	case REB_END:
	default:
		break;

	}
	return 0;
}
Example #12
0
//
//  MAKE_Decimal: C
//
void MAKE_Decimal(REBVAL *out, enum Reb_Kind kind, const REBVAL *arg) {
    REBDEC d;

    switch (VAL_TYPE(arg)) {
    case REB_DECIMAL:
        d = VAL_DECIMAL(arg);
        goto dont_divide_if_percent;

    case REB_PERCENT:
        d = VAL_DECIMAL(arg);
        goto dont_divide_if_percent;

    case REB_INTEGER:
        d = cast(REBDEC, VAL_INT64(arg));
        goto dont_divide_if_percent;

    case REB_MONEY:
        d = deci_to_decimal(VAL_MONEY_AMOUNT(arg));
        goto dont_divide_if_percent;

    case REB_LOGIC:
        d = VAL_LOGIC(arg) ? 1.0 : 0.0;
        goto dont_divide_if_percent;

    case REB_CHAR:
        d = cast(REBDEC, VAL_CHAR(arg));
        goto dont_divide_if_percent;

    case REB_TIME:
        d = VAL_TIME(arg) * NANO;
        break;

    case REB_STRING:
        {
        REBYTE *bp;
        REBCNT len;
        bp = Temp_Byte_Chars_May_Fail(arg, MAX_SCAN_DECIMAL, &len, FALSE);

        VAL_RESET_HEADER(out, kind);
        if (!Scan_Decimal(
            &d, bp, len, LOGICAL(kind != REB_PERCENT)
        )) {
            goto bad_make;
        }
        break;
        }

    case REB_BINARY:
        Binary_To_Decimal(arg, out);
        VAL_RESET_HEADER(out, kind);
        d = VAL_DECIMAL(out);
        break;

#ifdef removed
//          case REB_ISSUE:
    {
        REBYTE *bp;
        REBCNT len;
        bp = Temp_Byte_Chars_May_Fail(arg, MAX_HEX_LEN, &len, FALSE);
        if (Scan_Hex(&VAL_INT64(out), bp, len, len) == 0)
            fail (Error_Bad_Make(REB_DECIMAL, val));
        d = VAL_DECIMAL(out);
        break;
    }
#endif

    default:
        if (ANY_ARRAY(arg) && VAL_ARRAY_LEN_AT(arg) == 2) {
            RELVAL *item = VAL_ARRAY_AT(arg);
            if (IS_INTEGER(item))
                d = cast(REBDEC, VAL_INT64(item));
            else if (IS_DECIMAL(item) || IS_PERCENT(item))
                d = VAL_DECIMAL(item);
            else {
                REBVAL specific;
                COPY_VALUE(&specific, item, VAL_SPECIFIER(arg));

                fail (Error_Invalid_Arg(&specific));
            }

            ++item;

            REBDEC exp;
            if (IS_INTEGER(item))
                exp = cast(REBDEC, VAL_INT64(item));
            else if (IS_DECIMAL(item) || IS_PERCENT(item))
                exp = VAL_DECIMAL(item);
            else {
                REBVAL specific;
                COPY_VALUE(&specific, item, VAL_SPECIFIER(arg));
                fail (Error_Invalid_Arg(&specific));
            }

            while (exp >= 1) {
                //
                // !!! Comment here said "funky. There must be a better way"
                //
                --exp;
                d *= 10.0;
                if (!FINITE(d))
                    fail (Error(RE_OVERFLOW));
            }

            while (exp <= -1) {
                ++exp;
                d /= 10.0;
            }
        }
        else
            fail (Error_Bad_Make(kind, arg));
    }

    if (kind == REB_PERCENT)
        d /= 100.0;

dont_divide_if_percent:
    if (!FINITE(d))
        fail (Error(RE_OVERFLOW));

    VAL_RESET_HEADER(out, kind);
    VAL_DECIMAL(out) = d;
    return;

bad_make:
    fail (Error_Bad_Make(kind, arg));
}
Example #13
0
//
//  Cmp_Value: C
// 
// Compare two values and return the difference.
// 
// is_case TRUE for case sensitive compare
//
REBINT Cmp_Value(const RELVAL *s, const RELVAL *t, REBOOL is_case)
{
    REBDEC  d1, d2;

    if (VAL_TYPE(t) != VAL_TYPE(s) && !(ANY_NUMBER(s) && ANY_NUMBER(t)))
        return VAL_TYPE(s) - VAL_TYPE(t);

    assert(NOT_END(s) && NOT_END(t));

    switch(VAL_TYPE(s)) {

    case REB_INTEGER:
        if (IS_DECIMAL(t)) {
            d1 = (REBDEC)VAL_INT64(s);
            d2 = VAL_DECIMAL(t);
            goto chkDecimal;
        }
        return THE_SIGN(VAL_INT64(s) - VAL_INT64(t));

    case REB_LOGIC:
        return VAL_LOGIC(s) - VAL_LOGIC(t);

    case REB_CHAR:
        if (is_case) return THE_SIGN(VAL_CHAR(s) - VAL_CHAR(t));
        return THE_SIGN((REBINT)(UP_CASE(VAL_CHAR(s)) - UP_CASE(VAL_CHAR(t))));

    case REB_PERCENT:
    case REB_DECIMAL:
    case REB_MONEY:
        if (IS_MONEY(s))
            d1 = deci_to_decimal(VAL_MONEY_AMOUNT(s));
        else
            d1 = VAL_DECIMAL(s);
        if (IS_INTEGER(t))
            d2 = cast(REBDEC, VAL_INT64(t));
        else if (IS_MONEY(t))
            d2 = deci_to_decimal(VAL_MONEY_AMOUNT(t));
        else
            d2 = VAL_DECIMAL(t);
chkDecimal:
        if (Eq_Decimal(d1, d2))
            return 0;
        if (d1 < d2)
            return -1;
        return 1;

    case REB_PAIR:
        return Cmp_Pair(s, t);

    case REB_EVENT:
        return Cmp_Event(s, t);

    case REB_GOB:
        return Cmp_Gob(s, t);

    case REB_TUPLE:
        return Cmp_Tuple(s, t);

    case REB_TIME:
        return Cmp_Time(s, t);

    case REB_DATE:
        return Cmp_Date(s, t);

    case REB_BLOCK:
    case REB_GROUP:
    case REB_MAP:
    case REB_PATH:
    case REB_SET_PATH:
    case REB_GET_PATH:
    case REB_LIT_PATH:
        return Cmp_Array(s, t, is_case);

    case REB_STRING:
    case REB_FILE:
    case REB_EMAIL:
    case REB_URL:
    case REB_TAG:
        return Compare_String_Vals(s, t, NOT(is_case));

    case REB_BITSET:
    case REB_BINARY:
    case REB_IMAGE:
        return Compare_Binary_Vals(s, t);

    case REB_VECTOR:
        return Compare_Vector(s, t);

    case REB_DATATYPE:
        return VAL_TYPE_KIND(s) - VAL_TYPE_KIND(t);

    case REB_WORD:
    case REB_SET_WORD:
    case REB_GET_WORD:
    case REB_LIT_WORD:
    case REB_REFINEMENT:
    case REB_ISSUE:
        return Compare_Word(s,t,is_case);

    case REB_ERROR:
        return VAL_ERR_NUM(s) - VAL_ERR_NUM(t);

    case REB_OBJECT:
    case REB_MODULE:
    case REB_PORT:
        return VAL_CONTEXT(s) - VAL_CONTEXT(t);

    case REB_FUNCTION:
        return VAL_FUNC_PARAMLIST(s) - VAL_FUNC_PARAMLIST(t);

    case REB_LIBRARY:
        return VAL_LIBRARY(s) - VAL_LIBRARY(t);

    case REB_STRUCT:
        return Cmp_Struct(s, t);

    case REB_BLANK:
    case REB_MAX_VOID:
    default:
        break;

    }
    return 0;
}