Expecco API/en - Versionsgeschichte

Cg: /* Bridged Python Code API */

2026-09-29T11:55:25Z

Bridged Python Code API

← Nächstältere Version		Version vom 29. September 2026, 11:55 Uhr
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	=== Bridged Python Code API ===		=== Bridged Python Code API ===

	WARNING: Bridged Python Elementary Actions are still being developed - their behavior might be subject to changes (aka the protocol will be extended).

	Python code may consist of function- and/or class definitions. Among the functions, there should be one named "<CODE>execute()</CODE>"; typically, that is the last defined function, which calls into other python code. If no "execute"-function is defined, expecco tries to call "<code>main()</CODE>" as fallback. This special behavior was added to make it easier to reuse existing script code.		Python code may consist of function- and/or class definitions. Among the functions, there should be one named "<CODE>execute()</CODE>"; typically, that is the last defined function, which calls into other python code. If no "execute"-function is defined, expecco tries to call "<code>main()</CODE>" as fallback. This special behavior was added to make it easier to reuse existing script code.

Matilk: /* Complex */

2026-08-31T08:14:44Z

Complex

← Nächstältere Version		Version vom 31. August 2026, 08:14 Uhr
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	Complex numbers with real and imaginary part are sometimes used in technical/physical applications.		Complex numbers with real and imaginary part are sometimes used in technical/physical applications.
	They can be read as "<code>a * b i</code>", for example: "<code>5 + 3i</code>" represents the complex number with 5 as real and 3 as imaginary part.		They can be read as "<code>a + b i</code>", for example: "<code>5 + 3i</code>" represents the complex number with 5 as real and 3 as imaginary part.

	Complex numbers can result from math functions such as sqrt and log (by default, these raise an error, which can be ignored for a complex result)		Complex numbers can result from math functions such as sqrt and log (by default, these raise an error, which can be ignored for a complex result)

Matilk: /* Interaction with Expecco (Python) */

2026-08-18T10:30:31Z

Interaction with Expecco (Python)

← Nächstältere Version		Version vom 18. August 2026, 10:30 Uhr
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	==== Interaction with Expecco (Python) ====		==== Interaction with Expecco (Python) ====
	*'''call'''(<actionName>, <arg1>, <arg2>, ... <argN>);<br>Executes any other expecco action (inside expecco - not inside the Python interpreter), and returns the generated output pin values as a tuple<br>It is currently not possible to get the values of pins which are written multiple times (i.e. an error will be reported, if that is the case)<br>See example below.		*'''call'''(<actionName>, <arg1>, <arg2>, ... <argN>);<br>Executes any other expecco action (inside expecco - not inside the Python interpreter), and returns the generated output pin values as a tuple<br>It is currently not possible to get the values of pins which are written multiple times (i.e. an error will be reported, if that is the case)<br>See example below.

			:Errata:<br>
			::The call function only returns the first value of the first pin.<br>
			::See callN below (release >= 26.2)

			*'''callN'''(<actionName>, <arg1>, <arg2>, ... <argN>);<br>Same as <code>call</code> above, but returns a tuple (Array) containing the first value of each output pin of the called action.

	==== Environment Access (Python) ====		==== Environment Access (Python) ====

Cg: /* Scripted Languages */

2026-08-05T10:28:55Z

Scripted Languages

← Nächstältere Version		Version vom 5. August 2026, 10:28 Uhr
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	==== Scripted Languages ====		==== Scripted Languages ====
	Shell, Batch, Powershell, Python, TCL, any other language.<br>The code is stored as a script file on which an interpreter is started. For every such script action, the interpreter is started anew		Shell, Batch, Powershell, Python, Ruby, Octave/Matlab, TCL, etc. Basically any other language is even possible by calling it via a shell or batch script.<br>The code is stored as a script file on which an interpreter is started. For every such script action, the interpreter is started anew. Existing scripts can be called with minimal porting effort (and even automatically imported). These incur a higher call overhead.

	This document describes builtin and bridged language actions. Scripted actions are described [[ElementaryBlock_Element/en#Script_Action_Blocks \| elsewhere]].		This document describes builtin and bridged language actions. Scripted actions are described [[ElementaryBlock_Element/en#Script_Action_Blocks \| elsewhere]].

Cg: /* Bridged Languages */

2026-08-05T10:24:29Z

Bridged Languages

← Nächstältere Version		Version vom 5. August 2026, 10:24 Uhr
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	==== Bridged Languages ====		==== Bridged Languages ====
	Python, Groova (Java), Ruby, NodeJS (Javascript), C, Scheme, Octave (Matlab)<br>the are loaded into a running language interpreter which remains running between actions. Frameworks and packages can be loaded/imported, allowing for any existing code to be executed.		Python, Groova (Java), Ruby, NodeJS (Javascript), C, C#, Scheme, Octave (Matlab)<br>the are loaded into a running language interpreter which remains running between actions. Frameworks and packages can be loaded/imported, allowing for any existing code to be executed. Execution incurs a larger overhead compared to internally executed actions, because pin values have to be interchanged via interprocess communication mechanisms.

	==== Scripted Languages ====		==== Scripted Languages ====

Cg: /* Bridged Languages */

2026-08-05T10:22:51Z

Bridged Languages

← Nächstältere Version		Version vom 5. August 2026, 10:22 Uhr
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	==== Bridged Languages ====		==== Bridged Languages ====
	Python, Groova (Java), Ruby, NodeJS (Javascript), C, Scheme, Octave (Matlab)<br>the are loaded into a running language interpreter which remains running between actions. Frameworks and packages can be loaded/imported allowing for any existing code to be executed.		Python, Groova (Java), Ruby, NodeJS (Javascript), C, Scheme, Octave (Matlab)<br>the are loaded into a running language interpreter which remains running between actions. Frameworks and packages can be loaded/imported, allowing for any existing code to be executed.

	==== Scripted Languages ====		==== Scripted Languages ====

Cg: /* Builtin Languages */

2026-08-05T10:21:34Z

Builtin Languages

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	You can write elementary actions (actions with program code) in many languages. Actions can be executed as:		You can write elementary actions (actions with program code) in many languages. Actions can be executed as:
	==== Builtin Languages ====		==== Builtin Languages ====
	Smalltalk and Javascript<br>these are executed directly inside expecco (i.e. expecco contains a compiler for those languages); when defined, they are compiled to a bytecode intermediate language and compiled to machine code when first executed (JIT - "just in time" compilation).		Smalltalk and Javascript<br>these are executed directly inside expecco (i.e. expecco contains a compiler for those languages); when defined, they are compiled to a bytecode intermediate language and compiled to machine code when first executed (JIT - "just in time" compilation). The compilation to bytecode happens when the code is "accepted" or loaded from the ".ets" file. And jitted to machine code when first executed. Calls are fast and pin values are passed in and out by reference. These are executed with the lowest overhead.

	==== Bridged Languages ====		==== Bridged Languages ====

Cg: /* Builtin Languages */

2026-08-05T10:19:33Z

Builtin Languages

← Nächstältere Version		Version vom 5. August 2026, 10:19 Uhr
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	You can write elementary actions (actions with program code) in many languages. Actions can be executed as:		You can write elementary actions (actions with program code) in many languages. Actions can be executed as:
	==== Builtin Languages ====		==== Builtin Languages ====
	Smalltalk and Javascript<br>these are executed directly inside expecco; when defined, they are compiled to a bytecode intermediate language and compiled to machine code when first executed (JIT - just in time compilation).		Smalltalk and Javascript<br>these are executed directly inside expecco (i.e. expecco contains a compiler for those languages); when defined, they are compiled to a bytecode intermediate language and compiled to machine code when first executed (JIT - "just in time" compilation).

	==== Bridged Languages ====		==== Bridged Languages ====

Cg: /* Bridged Scheme Elementary Blocks */

2026-08-05T10:13:50Z

Bridged Scheme Elementary Blocks

← Nächstältere Version		Version vom 5. August 2026, 10:13 Uhr
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	== Bridged Scheme Elementary Blocks ==		== Bridged Scheme Elementary Blocks ==

	Note: ~~This~~ is a preliminary API documentation.		Note: As of rel26.1, this is a preliminary API documentation.

	<br>Bridged Scheme elementary actions are still being developed and the API may change slightly until officially released.		<br>Bridged Scheme elementary actions are still being developed and the API may change slightly until officially released.

Cg: /* Bridged Octave Elementary Blocks */

2026-08-05T10:13:26Z

Bridged Octave Elementary Blocks

← Nächstältere Version		Version vom 5. August 2026, 10:13 Uhr
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	== Bridged Octave Elementary Blocks ==		== Bridged Octave Elementary Blocks ==

	Note: As of rel26.1, this is a preliminary API documentation.		Note: As of rel26.1, this is a preliminary API documentation.

	<br>Bridged Octave/Matlab elementary actions are still being developed and the API may change slightly until officially released.		<br>Bridged Octave/Matlab elementary actions are still being developed and the API may change slightly until officially released.