Author: rklochkov Date: Sun Jan 27 02:14:58 2013 New Revision: 18
Log: Docs
Modified: README.md
Modified: README.md ============================================================================== --- README.md Sat Jan 26 12:28:43 2013 (r17) +++ README.md Sun Jan 27 02:14:58 2013 (r18) @@ -113,11 +113,22 @@
Be careful: this change is not local to your package.
-_set-macro-symbol_ - syntax is like set-macro-character, ------------------- - -But FUNC is binded to SYMBOL, not character. This symbol will be processed -in all cases, where it is not bounded by ||. +_set-macro-symbol_ symbol func -- sets FUNC to process the SYMBOL. +-------------------------- +FUNC will get stream of reader and the symbol (see set-macro-character). + +To prevent symbol from processing (for example in set-macro-symbol construction) you should enclose it in bars. + +This construction will set 'foo as an alias to 'long-package-name:long-name: + + (set-macro-symbol '|FOO| + (lambda (stream symbol) + (declare (ignore stream symbol)) + 'long-package-name:long-name)) + +Another way to prevent symbol processing is setting `advanced-readtable:*enable-symbol-readmacro*` to nil. +Remember, that symbol processing is done during reading the file, so, if you need to temporarily disable +`*enable-symbol-readmacro*`, then enclose it in #.
Now you may make something like
@@ -126,17 +137,13 @@ html:[ and sql:[ will have different handlers and you may mix them in one expression.
-Also it allows to make simple symbol-aliases. For example: - - (set-macro-symbol '|ALIAS| (lambda (stream symbol) - (declare (ignore stream symbol)) - 'advanced-readtables:push-local-package)) -Now you may do - - (alias 'iter:iter :iterate) - Moreover, you may alias variables from other packages and set them through -alias. But be careful: this change is not local to your package. +alias. But be careful: this change is not local to your package. If you write qualified name +of the symbol, you should enclose package-name int bars: + (set-macro-symbol '|OTHER-PACKAGE|:foo + (lambda (stream symbol) + (declare (ignore stream symbol)) + 'long-package-name:long-name))
_get-macro-symbol_ - syntax is like get-macro-character,