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-	#REDIRECT [[Operators]]	+	[[category:language]]
		+	[[category:operator]]
		+
		+	== Datatype declaration ==
		+
		+	=== Definition ===
		+	'''Type''' <name>
		+	:<variables>
		+	'''End'''
		+
		+	Creates a new [[datatype]]. It's handled as it it were a [[struct]], so the declared variables are members of the struct.
		+
		+	== Example ==
		+	<pre>
		+	Program example;
		+
		+	// Declare the type _point
		+	Type _point
		+	float x;
		+	float y;
		+	End
		+
		+	// Declare the function distance(), because the function returns a datatype
		+	// other than int, so it needs to be declared before usage.
		+	Declare float distance(_point a,_point b)
		+	End
		+
		+	Private
		+	_point p1,p2;
		+	Begin
		+
		+	p1.x = 15.3;
		+	p1.y = 34.9;
		+	p2.x = 165.4;
		+	p2.y = 137.2;
		+
		+	write(0,0,0,0,"Distance: " + distance(p1,p2));
		+	drw_line(p1,p2);
		+
		+	Repeat
		+	frame;
		+	Until(key(_ESC))
		+
		+	End
		+
		+	Function float distance(_point a, _point b)
		+	Begin
		+	return sqrt( (a.x-b.x)*(a.x-b.x) + (a.y-b.y)*(a.y-b.y) );
		+	End
		+
		+	Function int drw_line(_point a, _point b)
		+	Begin
		+	return draw_line( a.x , a.y , b.x , b.y );
		+	End
		+	</pre>
		+	Used in example: [[write]](), [[key]](), [[draw_line]]()
		+
		+	== ProcessType ==
		+
		+	=== Definition ===
		+	'''Type''' <processname>
		+
		+	Acquires the [[processTypeID]] of a [[processType]] or [[function]]. This can be useful for example with the functions [[get_id]]() and [[signal]]().
		+
		+	=== Example ===
		+	<pre>
		+	Program example;
		+	Private
		+	proc proc_id; //int could be used too
		+	Begin
		+
		+	// Start 2 proc's
		+	proc();
		+	proc();
		+	proc();
		+
		+	// Display all alive proc's
		+	y = 0;
		+	while( (proc_id=get_id(type proc)) )
		+	write(0,0,(y++)*10,0,"proc: " + proc_id);
		+	end
		+
		+	// Wait for key ESC
		+	Repeat
		+	frame;
		+	Until(key(_ESC))
		+
		+	End
		+
		+	Process proc()
		+	Begin
		+	Loop
		+	frame;
		+	End
		+	End
		+	</pre>
		+	Used in example: [[write]](), [[key]]()

---

Revision as of 12:44, 14 November 2007

Contents 1 Datatype declaration 1.1 Definition 2 Example 3 ProcessType 3.1 Definition 3.2 Example

Datatype declaration

Definition

Type <name>

<variables>

End

Creates a new datatype. It's handled as it it were a struct, so the declared variables are members of the struct.

Example

Program example;

// Declare the type _point
Type _point
    float x;
    float y;
End

// Declare the function distance(), because the function returns a datatype
// other than int, so it needs to be declared before usage.
Declare float distance(_point a,_point b)
End

Private
    _point p1,p2;
Begin

    p1.x = 15.3;
    p1.y = 34.9;
    p2.x = 165.4;
    p2.y = 137.2;

    write(0,0,0,0,"Distance: " + distance(p1,p2));
    drw_line(p1,p2);

    Repeat
        frame;
    Until(key(_ESC))

End

Function float distance(_point a, _point b)
Begin
    return sqrt( (a.x-b.x)*(a.x-b.x) + (a.y-b.y)*(a.y-b.y) );
End

Function int drw_line(_point a, _point b)
Begin
    return draw_line( a.x , a.y , b.x , b.y );
End

Used in example: write(), key(), draw_line()

ProcessType

Definition

Type <processname>

Acquires the processTypeID of a processType or function. This can be useful for example with the functions get_id() and signal().

Example

Program example;
Private
    proc proc_id; //int could be used too
Begin

    // Start 2 proc's
    proc();
    proc();
    proc();

    // Display all alive proc's
    y = 0;
    while( (proc_id=get_id(type proc)) )
        write(0,0,(y++)*10,0,"proc: " + proc_id);
    end

    // Wait for key ESC
    Repeat
        frame;
    Until(key(_ESC))

End

Process proc()
Begin
    Loop
        frame;
    End
End

Used in example: write(), key()