Scope modifiers: Difference between revisions
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m (→{{header|REXX}}: added note about R4's ''exposeALL'' option. -- ~~~~) |
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<br>for those identified via the EXPOSE option. There is a variant where the EXPOSE can have a list specified. |
<br>for those identified via the EXPOSE option. There is a variant where the EXPOSE can have a list specified. |
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<br>Any REXX variables in an external routine (program) aren't known. |
<br>Any REXX variables in an external routine (program) aren't known. |
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<br>Note: the R4 REXX interpreter has an '''EXPOSEALL''' option that allows an external REXX subroutine to access the caller's local variables. |
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<br>There is a mechanism that allows external programs to access local REXX variables and is essentially restricted to |
<br>There is a mechanism that allows external programs to access local REXX variables and is essentially restricted to |
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<br>assembler programs that use the REXXAPI interface. |
<br>assembler programs that use the REXXAPI interface. |
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<br>All labels (names of subroutines/functions/procedures) are global. |
<br>All labels (names of subroutines/functions/procedures) are global. |
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<br>If more than one identical label is specified, only the first label is recognized. |
<br>If more than one identical label is specified, only the first label is recognized (and not considered an error). |
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<lang rexx>/*REXX program to display scope modifiers (for subroutines/functions). */ |
<lang rexx>/*REXX program to display scope modifiers (for subroutines/functions). */ |
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a=1/4 |
a=1/4 |
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