By A. C. Hartmann
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Extra resources for A Concurrent Pascal Compiler for Minicomputers
Is f i n i s h e d , the next pass is added. t e x t form, and i t tests a l l interpass assumptions. At each phase o f the t e s t i n g a l l t e s t programs are used, not j u s t the t e s t programs f o r the new pass. a new pass is f i r s t will As each pass This allows a l l t e s t programs to be in source added, a l l t e s t programs w i l l fail. Generally when Several o f these f a i l u r e s p o i n t out d i f f e r e n t bugs, and these may be discovered and corrected simultan- eously.
This l i s t i n g is controlled by an option switch within the compiler. The compiler was developed using a set of systematically developed test cases for each pass. These test cases are Concurrent Pascal programs that make each pass generate every possible operator and execute every statement at least once. At least two test programs are written for each pass. One program is entirely correct for the pass; the other program generates every possible error in the pass. ~ Pass I is tested f i r s t .
The possible kinds are: integer real boolean character enumeration set string queue 39 system component passive active generic undefined The standard index types, i n t e g e r , r e a l , boolean, and char, are each given t h e i r own kind. Any other index type is considered an enumeration kind. is a queue kind. characters is a s t r i n g type. a passive kind. The standard queue type The system component types are system component kinds. An array o f Any passive structured type that is not a s t r i n g type is Any a c t i v e structured type is an active kind.
A Concurrent Pascal Compiler for Minicomputers by A. C. Hartmann