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Declarative statements

Autocoder declarative statements provide the processor with the necessary information to complete the imperative operations properly.

Declarative statements are never executed in the object program and should be separated from the program instruction area, placed preferably at its beginning or end.

Otherwise, special care must be taken to branch around them so that the program will not attempt to execute something in a data area as an instruction.

If the compiler does encounter such statements, a warning message will be issued.

7070/7074 Autocoder includes the following declarative statements: DA ( Define Area ), DC ( Define Constant ), DRDW ( Define Record Definition Word ), DSW ( Define Switch ), DLINE ( Define Line ), EQU ( Equate ), CODE,DTF ( Define Tape File ), DIOCS ( Define Input/Output Control System ), and DUF ( Descriptive Entry For Unit Records ).

DA, DC, DTF, and DLINE require more than one entry.