X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pod%2Fperldiag.pod;h=eb84876d4e83ce59f0e5a3015d7946d5ee3d9e6f;hb=c8984b0bd19897e6e30588055ac0338326f20a34;hp=08c73c3284b0f9a5a5dcdc083ce3f8a7fa35590d;hpb=17feb5d536e7c1a1b75d6e8e85a12d67b3d41c04;p=p5sagit%2Fp5-mst-13.2.git diff --git a/pod/perldiag.pod b/pod/perldiag.pod index 08c73c3..eb84876 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -57,6 +57,12 @@ no useful value. See L. checksumming process loses information, and you can't go the other way. See L. +=item /%s/: Unrecognized escape \\%c passed through + +(W) You used a backslash-character combination which is not recognized +by Perl. This combination appears in an interpolated variable or a +C<'>-delimited regular expression. + =item %s (...) interpreted as function (W) You've run afoul of the rule that says that any list operator followed @@ -143,6 +149,18 @@ Perl yourself. instead of Perl. Check the #! line, or manually feed your script into Perl yourself. +=item (in cleanup) %s + +(W) This prefix usually indicates that a DESTROY() method raised +the indicated exception. Since destructors are usually called by +the system at arbitrary points during execution, and often a vast +number of times, the warning is issued only once for any number +of failures that would otherwise result in the same message being +repeated. + +Failure of user callbacks dispatched using the C flag +could also result in this warning. See L. + =item (Missing semicolon on previous line?) (S) This is an educated guess made in conjunction with the message "%s @@ -499,6 +517,10 @@ Something like this will reproduce the error: (F) You called C, but C is not a directory that you can chdir to, possibly because it doesn't exist. +=item Can't check filesystem of script "%s" + +(P) For some reason you can't check the filesystem of the script for nosuid. + =item Can't coerce %s to integer in %s (F) Certain types of SVs, in particular real symbol table entries @@ -878,6 +900,12 @@ and the variable had earlier been declared as a lexical variable. Either qualify the sort variable with the package name, or rename the lexical variable. +=item Bad evalled substitution pattern + +(F) You've used the /e switch to evaluate the replacement for a +substitution, but perl found a syntax error in the code to evaluate, +most likely an unexpected right brace '}'. + =item Can't use %s for loop variable (F) Only a simple scalar variable may be used as a loop variable on a foreach. @@ -1002,6 +1030,14 @@ for information on I.) (W) You tried to do a connect on a closed socket. Did you forget to check the return value of your socket() call? See L. +=item Constant is not %s reference + +(F) A constant value (perhaps declared using the C pragma) +is being dereferenced, but it amounts to the wrong type of reference. The +message indicates the type of reference that was expected. This usually +indicates a syntax error in dereferencing the constant value. +See L and L. + =item Constant subroutine %s redefined (S) You redefined a subroutine which had previously been eligible for @@ -1408,7 +1444,7 @@ architecture. On a 32-bit architecture the largest octal literal is (S) A warning peculiar to VMS. Perl keeps track of the number of times you've called C and C, to determine whether the current call to C should affect the current -script or a subprocess (see L). Somehow, this count +script or a subprocess (see L). Somehow, this count has become scrambled, so Perl is making a guess and treating this C as a request to terminate the Perl script and execute the specified command. @@ -1417,16 +1453,19 @@ and execute the specified command. (P) Something went badly wrong in the regular expression parser. -=item internal error: glob failed +=item glob failed (%s) -(P) Something went wrong with the external program(s) used for C -and C*.cE>. This may mean that your csh (C shell) is -broken. If so, you should change all of the csh-related variables in -config.sh: If you have tcsh, make the variables refer to it as if it -were csh (e.g. C); otherwise, make them all -empty (except that C should be C<'undef'>) so that Perl will -think csh is missing. In either case, after editing config.sh, run -C<./Configure -S> and rebuild Perl. +(W) Something went wrong with the external program(s) used for C +and C*.cE>. Usually, this means that you supplied a C +pattern that caused the external program to fail and exit with a nonzero +status. If the message indicates that the abnormal exit resulted in a +coredump, this may also mean that your csh (C shell) is broken. If so, +you should change all of the csh-related variables in config.sh: If you +have tcsh, make the variables refer to it as if it were csh (e.g. +C); otherwise, make them all empty (except that +C should be C<'undef'>) so that Perl will think csh is missing. +In either case, after editing config.sh, run C<./Configure -S> and +rebuild Perl. =item internal urp in regexp at /%s/ @@ -1517,6 +1556,11 @@ one line to the next. (F) While certain functions allow you to specify a filehandle or an "indirect object" before the argument list, this ain't one of them. +=item Missing command in piped open + +(W) You used the C or C +construction, but the command was missing or blank. + =item Missing operator before %s? (S) This is an educated guess made in conjunction with the message "%s @@ -2218,14 +2262,6 @@ expression compiler gave it. (P) A "can't happen" error, because safemalloc() should have caught it earlier. -=item regexp too big - -(F) The current implementation of regular expressions uses shorts as -address offsets within a string. Unfortunately this means that if -the regular expression compiles to longer than 32767, it'll blow up. -Usually when you want a regular expression this big, there is a better -way to do it with multiple statements. See L. - =item Reversed %s= operator (W) You wrote your assignment operator backwards. The = must always @@ -2755,6 +2791,11 @@ an underbar into it. You might also declare it as a subroutine. in your Perl script (or eval). Perhaps you tried to run a compressed script, a binary program, or a directory as a Perl program. +=item Unrecognized escape \\%c passed through + +(W) You used a backslash-character combination which is not recognized +by Perl. + =item Unrecognized signal name "%s" (F) You specified a signal name to the kill() function that was not recognized.