fpt Reference: CHECK PROGRAM FLOW

fpt and WinFPT Reference Manual - Command-line Commands

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CHECK PROGRAM FLOW

Syntax:

[DO NOT] CHECK [PROGRAM] FLOW

Function:

fpt checks the code for unreachable executable statements. It reports all sequences of statements which cannot be reached from the entry points of the sub-programs in which they occur. A typical report is shown below:

Check of Program Flow ===================== WARNING The following executable code sequences are unreachable Sequence: 5, 3 executable statements at Line: 39 File: e:\projects\fpt\fpttests\flts.for Notes: Unreachable C=8 Sequence: 23, 1 executable statement at Line: 74 File: e:\projects\fpt\fpttests\flts.for Notes: Unreachable CALL EXCEPT('Fall-through CASE') Sequence: 27, 1 executable statement at Line: 81 File: e:\projects\fpt\fpttests\flts.for Notes: Unreachable 9040 STOP 'Error opening ctrl.int'

Where to Use this Command

Operating system command line	Yes
Configuration file, config.fsp	Yes
Specification (fsp) files, *.fsp	Yes
Interactively, to FPT> prompt	Yes
Interactive command files	Yes
Embedded in the Fortran code	Yes

Default

Program flow is not checked by default (Note that defaults may be changed in the configuration file).