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29633: more care with anonymous and other functions

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This commit is contained in:
Peter Stephenson 2011-08-03 18:45:17 +00:00
parent 771b059a52
commit d48faef8cd
4 changed files with 30 additions and 5 deletions
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8
ChangeLog
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@ -1,3 +1,9 @@
2011-08-03 Peter Stephenson <p.w.stephenson@ntlworld.com>
* 29633: Doc/Zsh/func.yo, Src/parse.c, Test/C04funcdef.ztst: be
more careful that anonymous function syntax doesn't mess up
working syntax with other functions.
2011-08-03 Peter Stephenson <pws@csr.com>
* 29635: Completion/Base/Widget/_complete_debug: Improve file
@ -15189,5 +15195,5 @@
*****************************************************
* This is used by the shell to define $ZSH_PATCHLEVEL
* $Revision: 1.5413 $
* $Revision: 1.5414 $
*****************************************************

11
Doc/Zsh/func.yo
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@ -162,8 +162,15 @@ is not stored for future use. The function name is set to `tt((anon))'.
Arguments to the function may be specified as words following the
closing brace defining the function, hence if there are none no
arguments (other than tt($0)) are set. Note that this means
the argument list of any enclosing script or function is hidden.
arguments (other than tt($0)) are set. This is a difference from the
way other functions are parsed: normal function definitions may be
followed by certain keywords such as `tt(else)' or `tt(fi)', which will
be treated as arguments to anonymous functions, so that a newline or
semicolon is needed to force keyword interpretation.
Note also that the argument list of any enclosing script or function is
hidden (as would be the case for any other function called at this
point).
Redirections may be applied to the anonymous function in the same manner as
to a current-shell structure enclosed in braces. The main use of anonymous

10
Src/parse.c
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@ -1465,7 +1465,10 @@ par_funcdef(void)
ecssub = oecssub;
YYERRORV(oecused);
}
incmdpos = 0;
if (num == 0) {
/* Anonymous function, possibly with arguments */
incmdpos = 0;
}
zshlex();
} else if (unset(SHORTLOOPS)) {
lineno += oldlineno;
@ -1721,7 +1724,10 @@ par_simple(int *complex, int nr)
ecssub = oecssub;
YYERROR(oecused);
}
incmdpos = 0;
if (argc == 0) {
/* Anonymous function, possibly with arguments */
incmdpos = 0;
}
zshlex();
} else {
int ll, sl, c = 0;

6
Test/C04funcdef.ztst
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@ -245,6 +245,12 @@
>empty
>here
if true; then f() { echo foo1; } else f() { echo bar1; } fi; f
if false; then f() { echo foo2; } else f() { echo bar2; } fi; f
0:Compatibility with other shells when not anonymous functions
>foo1
>bar2
%clean
rm -f file.in file.out