diff options
Diffstat (limited to 'src/clojure/contrib/repl_utils.clj')
| -rw-r--r-- | src/clojure/contrib/repl_utils.clj | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/clojure/contrib/repl_utils.clj b/src/clojure/contrib/repl_utils.clj index 86ea80b5..15657dce 100644 --- a/src/clojure/contrib/repl_utils.clj +++ b/src/clojure/contrib/repl_utils.clj @@ -47,6 +47,13 @@ [[(not static?) method? (sortable text)] text m])) (defn show + "With one arg, lists all static and instance members of the given + class, or the class of the given object. Each entry is listed with + a number. Use that number as the second argument, and that member + will be returned which at the REPL will cause more detail to be + printed. + + Examples: (show Intger) (show [])" ([x] (show x nil)) ([x i] (let [c (if (class? x) x (class x)) @@ -61,7 +68,15 @@ (doseq [[i e] (indexed items)] (printf "[%2d] %s\n" i (second e)))))))) -(defn get-source [x] +(defn get-source + "Returns a string of the source code for the given symbol, if it can + find it. This requires that the symbol resolve to a Var defined in + a namespace for which the .clj is in the classpath. Returns nil if + it can't find the source. For most REPL usage, 'source' is more + convenient. + + Example: (get-source 'filter)" + [x] (when-let [v (resolve x)] (let [ns-name (str (.name (.ns v))) path (first (re-seq #"^.*(?=/[^/]*$)" (.replace ns-name "." "/"))) @@ -77,5 +92,11 @@ (read (PushbackReader. pbr)) (str text))))))) -(defmacro source [n] +(defmacro source + "Prints the source code for the given symbol, if it can find it. + This requires that the symbol resolve to a Var defined in a + namespace for which the .clj is in the classpath. + + Example: (source filter)" + [n] `(println (or (get-source '~n) (str "Source not found")))) |