VMS Help FORTRAN, Error Messages, Compilation Errors *Conan The Librarian (sorry for the slow response - running on an old VAX) |
A diagnostic message issued by the compiler describes the detected error and, in some cases, contains an indication of the action taken by the compiler in response to the error. Besides reporting errors detected in source program syntax, the compiler issues messages indicating errors that involve the compiler itself, such as I/O errors. The severity-level classes of compilation error messages, in order of greatest to least severity, are as follows: Code Description ---- ----------- F Fatal; must be corrected before the program can be compiled. No object file is produced. E Error; should be corrected. An object file is produced, but the output or program result may be incorrect. W Warning; should be investigated by checking the statements to which warning diagnostic messages refer. Warnings are issued for statements that use acceptable, but nonstandard, syntax and for statements corrected by the compiler. An object file is produced, but the program results may be incorrect. (If you specify /NOWARNINGS on the FORTRAN command line, you will not receive these messages.) I Information; not an error message and does not call for corrective action. However, the informational message informs you that either a correct Compaq Fortran statement may have unexpected results or you have used a Compaq Fortran extension to FORTRAN-77. The following examples show how compilation messages are displayed: %FORT-W-FMTEXTCOM, Extra comma in format list [FORMAT (I3,)] in module MORTGAGE at line 13 %FORT-F-UNDSTALAB, Undefined statement label [66] in module MORTGAGE at line 19
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