ILE COBOL Language Reference
Special precedence rules are followed when programs are contained within
other programs. In applying these rules, only the first qualifying
declarative will be selected for execution. The declarative that is
selected must satisfy the rules for execution of that declarative. The
order of precedence for selecting a declarative is:
- A file-specific declarative (one of the form USE AFTER ERROR ON
file-name-1, with or without the GLOBAL phrase) within the program that
contains the statement that caused the qualifying condition
- A mode-specific declarative (one of the form USE AFTER ERROR ON
INPUT, with or without the GLOBAL phrase) within the program that
contains the statement that caused the qualifying condition
- A file-specific declarative that specifies the GLOBAL phrase, and is
within the program directly containing the program that was last examined for
a qualifying condition
- A mode-specific declarative that specifies the GLOBAL phrase, and is
within the program directly containing the program that was last examined for
a qualifying condition.
- Rules 3 and 4 apply recursively back through the parents in the nest of
programs.
- Note:
- Each declarative procedure runs as a separate invocation from that of other
declarative procedures and the nondeclarative part of the same ILE COBOL
program.
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