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authorStuart Sierra <mail@stuartsierra.com>2010-08-07 16:41:53 -0400
committerStuart Sierra <mail@stuartsierra.com>2010-08-07 16:41:53 -0400
commita6a92b9b3d2bfd9a56e1e5e9cfba706d1aeeaae5 (patch)
treef1f3da9887dc2dc557df3282b0bcbd4d701ec593 /modules/apply-macro
parente7930c85290f77815cdb00a60604feedfa2d0194 (diff)
Split all namespaces into sub-modules.
* Examples and tests have not been copied over. * Clojure test/compile phases are commented out in parent POM. * May require installing parent POM before full build.
Diffstat (limited to 'modules/apply-macro')
-rw-r--r--modules/apply-macro/pom.xml16
-rw-r--r--modules/apply-macro/src/main/clojure/clojure/contrib/apply_macro.clj45
2 files changed, 61 insertions, 0 deletions
diff --git a/modules/apply-macro/pom.xml b/modules/apply-macro/pom.xml
new file mode 100644
index 00000000..23048791
--- /dev/null
+++ b/modules/apply-macro/pom.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http//www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+ http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.clojure.contrib</groupId>
+ <artifactId>parent</artifactId>
+ <version>1.3.0-SNAPSHOT</version>
+ <relativePath>../parent</relativePath>
+ </parent>
+ <artifactId>apply-macro</artifactId>
+ <dependencies>
+ </dependencies>
+</project> \ No newline at end of file
diff --git a/modules/apply-macro/src/main/clojure/clojure/contrib/apply_macro.clj b/modules/apply-macro/src/main/clojure/clojure/contrib/apply_macro.clj
new file mode 100644
index 00000000..9df85407
--- /dev/null
+++ b/modules/apply-macro/src/main/clojure/clojure/contrib/apply_macro.clj
@@ -0,0 +1,45 @@
+;;; apply_macro.clj: make macros behave like functions
+
+;; by Stuart Sierra, http://stuartsierra.com/
+;; January 28, 2009
+
+;; Copyright (c) Stuart Sierra, 2009. All rights reserved. The use
+;; and distribution terms for this software are covered by the Eclipse
+;; Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
+;; which can be found in the file epl-v10.html at the root of this
+;; distribution. By using this software in any fashion, you are
+;; agreeing to be bound by the terms of this license. You must not
+;; remove this notice, or any other, from this software.
+
+
+;; Don't use this. I mean it. It's evil. How evil? You can't
+;; handle it, that's how evil it is. That's right. I did it so you
+;; don't have to, ok? Look but don't touch. Use this lib and you'll
+;; go blind.
+
+;; DEPRECATED in 1.2 with no replacement.
+
+(ns ^{:deprecated "1.2"}
+ clojure.contrib.apply-macro)
+
+;; Copied from clojure.core/spread, which is private.
+(defn- spread
+ "Flatten final argument list as in apply."
+ [arglist]
+ (cond
+ (nil? arglist) nil
+ (nil? (rest arglist)) (seq (first arglist))
+ :else (cons (first arglist) (spread (rest arglist)))))
+
+(defmacro apply-macro
+ "This is evil. Don't ever use it. It makes a macro behave like a
+ function. Seriously, how messed up is that?
+
+ Evaluates all args, then uses them as arguments to the macro as with
+ apply.
+
+ (def things [true true false])
+ (apply-macro and things)
+ ;; Expands to: (and true true false)"
+ [macro & args]
+ (cons macro (spread (map eval args))))