Input and output data constraints on iconic devices in an iconic

Details Input and output data constraints on iconic devices in an iconic Input and output data constraints on iconic devices in an iconic

1991-03-12

1993-11-09

Harkcom, Gary V.

G06F 1560

Patent

active

052610438

ABSTRACT:
A system that allows a user of an iconic programming system to specify data input constraints on any terminal of any icon of an iconic network program defined within the system. When adding connecting lines between icons during program creation, the iconic programming system verifies that any input constraints defined for an input terminal match the data type and shape of the data being sent by an output terminal. If a mismatch occurs, the system will allow a connection only if a method is available for converting the type and shape of the data. During the execution of the iconic network program, the constraints for each input terminal are compared to the type and shape of data being received on the terminal. Processing will continue only if the constraints match or the data can be converted.

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