diff options
author | Alan Mackenzie <[email protected]> | 2011-10-28 14:35:39 +0000 |
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committer | Alan Mackenzie <[email protected]> | 2011-10-28 14:35:39 +0000 |
commit | 93b5b3bdc8b734132c530acd6ffae1196c0865bc (patch) | |
tree | da8ed72a56bfbf65d6f3cd9bdc3fa5d123dc4873 /doc/misc | |
parent | 020716e178cdae443a3630c4307023cb3fc4c350 (diff) | |
parent | bc97a826f8ea89a269f6043be3148930f023e2b2 (diff) |
Boring merge from savannah.
Diffstat (limited to 'doc/misc')
-rw-r--r-- | doc/misc/ChangeLog | 6 | ||||
-rw-r--r-- | doc/misc/cc-mode.texi | 97 | ||||
-rw-r--r-- | doc/misc/trampver.texi | 2 |
3 files changed, 104 insertions, 1 deletions
diff --git a/doc/misc/ChangeLog b/doc/misc/ChangeLog index 02c2d2b875..6b0ef9c5d8 100644 --- a/doc/misc/ChangeLog +++ b/doc/misc/ChangeLog @@ -1,3 +1,9 @@ +2011-10-23 Michael Albinus <[email protected]> + + Sync with Tramp 2.2.3. + + * trampver.texi: Update release number. + 2011-10-14 Glenn Morris <[email protected]> * ert.texi (Introduction, How to Run Tests) diff --git a/doc/misc/cc-mode.texi b/doc/misc/cc-mode.texi index 8818904982..887e3f3c80 100644 --- a/doc/misc/cc-mode.texi +++ b/doc/misc/cc-mode.texi @@ -341,6 +341,11 @@ Line-Up Functions * Comment Line-Up:: * Misc Line-Up:: +Customizing Macros + +* Macro Backslashes:: +* Macros with ;:: + @end detailmenu @end menu @@ -655,6 +660,10 @@ expression, to some statements, or perhaps to whole functions, the syntactic recognition can be wrong. @ccmode{} manages to figure it out correctly most of the time, though. +Some macros, when invoked, ''have their own semicolon''. To get the +next line indented correctly, rather than as a continuation line, +@xref{Macros with ;}. + Reindenting large sections of code can take a long time. When @ccmode{} reindents a region of code, it is essentially equivalent to hitting @key{TAB} on every line of the region. @@ -6561,6 +6570,9 @@ custom line-up function associated with it. @section Other Special Indentations @comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! +To configure macros which you invoke without a terminating @samp{;}, +see @xref{Macros with ;}. + Here are the remaining odds and ends regarding indentation: @defopt c-label-minimum-indentation @@ -6612,6 +6624,13 @@ functions to this hook, not remove them. @xref{Style Variables}. @cindex preprocessor directives @comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! +Preprocessor macros in C, C++, and Objective C (introduced by +@code{#define}) have a syntax different from the main language---for +example, a macro declaration is not terminated by a semicolon, and if +it is more than a line long, line breaks in it must be escaped with +backslashes. @ccmode{} has some commands to manipulate these, see +@ref{Macro Backslashes}. + Normally, the lines in a multi-line macro are indented relative to each other as though they were code. You can suppress this behavior by setting the following user option: @@ -6623,6 +6642,28 @@ is @code{nil}, all lines inside macro definitions are analyzed as @code{cpp-macro-cont}. @end defopt +Because a macro can expand into anything at all, near where one is +invoked @ccmode{} can only indent and fontify code heuristically. +Sometimes it gets it wrong. Usually you should try to design your +macros so that they ''look like ordinary code'' when you invoke them. +However, one situation is so common that @ccmode{} handles it +specially: that is when certain macros needn't (or mustn't) be +followed by a @samp{;}. You need to configure @ccmode{} to handle +these macros properly, see @ref{Macros with ;}. + +@comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! +@menu +* Macro Backslashes:: +* Macros with ;:: +@end menu + +@comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! +@node Macro Backslashes, Macros with ;, Custom Macros, Custom Macros +@comment node-name, next, previous, up +@section Customizing Macro Backslashes +@cindex #define +@comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + @ccmode{} provides some tools to help keep the line continuation backslashes in macros neat and tidy. Their precise action is customized with these variables: @@ -6665,6 +6706,62 @@ get aligned only when you explicitly invoke the command @end defopt @comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! +@node Macros with ;, , Macro Backslashes, Custom Macros +@comment node-name, next, previous, up +@section Macros with semicolons +@cindex macros with semicolons +@comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! +Macros which needn't (or mustn't) be followed by a semicolon when you +invoke them, @dfn{macros with semicolons}, are very common. These can +cause @ccmode{} to parse the next line wrongly as a +@code{statement-cont} (@pxref{Function Symbols}) and thus mis-indent +it. + +You can prevent this by specifying which macros have semicolons. It +doesn't matter whether or not such a macro has a parameter list: + +@defopt c-macro-names-with-semicolon +@vindex macro-names-with-semicolon (c-) +This buffer-local variable specifies which macros have semicolons. +After setting its value, you need to call +@code{c-make-macro-with-semi-re} for it to take effect. It should be +set to one of these values: + +@table @asis +@item nil +There are no macros with semicolons. +@item a list of strings +Each string is the name of a macro with a semicolon. Only valid +@code{#define} names are allowed here. For example, to set the +default value, you could write the following into your @file{.emacs}: + +@example +(setq c-macro-names-with-semicolon + '("Q_OBJECT" "Q_PROPERTY" "Q_DECLARE" "Q_ENUMS")) +@end example + +@item a regular expression +This matches each symbol which is a macro with a semicolon. It must +not match any string which isn't a valid @code{#define} name. For +example: + +@example +(setq c-macro-names-with-semicolon + "\\<\\(CLEAN_UP_AND_RETURN\\|Q_[[:upper:]]+\\)\\>") +@end example +@end table +@end defopt + +@defun c-make-macro-with-semi-re +@findex make-macro-with-semi-re (c-) +Call this (non-interactive) function, which sets internal variables, +each time you change the value of +@code{c-macro-names-with-semicolon}. It takes no arguments, and its +return value has no meaning. This function is called by @ccmode{}'s +initialization code. +@end defun + +@comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! @node Odds and Ends, Sample .emacs File, Custom Macros, Top @comment node-name, next, previous, up @chapter Odds and Ends diff --git a/doc/misc/trampver.texi b/doc/misc/trampver.texi index 31d3ac0204..63dc78dc4e 100644 --- a/doc/misc/trampver.texi +++ b/doc/misc/trampver.texi @@ -8,7 +8,7 @@ @c In the Tramp CVS, the version number is auto-frobbed from @c configure.ac, so you should edit that file and run @c "autoconf && ./configure" to change the version number. -@set trampver 2.2.3-pre +@set trampver 2.2.3-24.1 @c Other flags from configuration @set instprefix /usr/local |