# HG changeset patch
# User Jens Alfke <jens@mooseyard.com>
# Date 1210204064 25200
# Node ID 5588347dfcbdb19f021cf6d9e8a0affcae104f2c
# Parent  59addced5e2a7703db2635154862babcd50c7879
* Added $apply and some other collection utils.
* Moved logging code to a separate code segment.
* Fixed uninitialized variable in Target.

diff -r 59addced5e2a -r 5588347dfcbd CollectionUtils.h
--- a/CollectionUtils.h	Fri May 02 12:49:43 2008 -0700
+++ b/CollectionUtils.h	Wed May 07 16:47:44 2008 -0700
@@ -23,6 +23,11 @@
 #define $object(VAL)        ({__typeof(VAL) v=(VAL); _box(&v,@encode(__typeof(v)));})
 
 
+// Apply a selector to each array element, returning an array of the results:
+NSArray* $apply( NSArray *src, SEL selector, id defaultValue );
+NSArray* $applyKeyPath( NSArray *src, NSString *keyPath, id defaultValue );
+
+
 // Object conveniences:
 
 BOOL $equal(id obj1, id obj2);      // Like -isEqual: but works even if either/both are nil
@@ -40,6 +45,10 @@
 BOOL ifSetString( NSString **var, NSString *value );
 
 
+#define $true   ((NSNumber*)kCFBooleanTrue)
+#define $false  ((NSNumber*)kCFBooleanFalse)
+
+
 @interface NSArray (MYUtils)
 - (BOOL) my_containsObjectIdenticalTo: (id)object;
 @end
diff -r 59addced5e2a -r 5588347dfcbd CollectionUtils.m
--- a/CollectionUtils.m	Fri May 02 12:49:43 2008 -0700
+++ b/CollectionUtils.m	Wed May 07 16:47:44 2008 -0700
@@ -42,6 +42,27 @@
 }
 
 
+NSArray* $apply( NSArray *src, SEL selector, id defaultValue )
+{
+    NSMutableArray *dst = [NSMutableArray arrayWithCapacity: src.count];
+    for( id obj in src ) {
+        id result = [obj performSelector: selector] ?: defaultValue;
+        [dst addObject: result];
+    }
+    return dst;
+}
+
+NSArray* $applyKeyPath( NSArray *src, NSString *keyPath, id defaultValue )
+{
+    NSMutableArray *dst = [NSMutableArray arrayWithCapacity: src.count];
+    for( id obj in src ) {
+        id result = [obj valueForKeyPath: keyPath] ?: defaultValue;
+        [dst addObject: result];
+    }
+    return dst;
+}
+
+
 BOOL $equal(id obj1, id obj2)      // Like -isEqual: but works even if either/both are nil
 {
     if( obj1 )
diff -r 59addced5e2a -r 5588347dfcbd Logging.h
--- a/Logging.h	Fri May 02 12:49:43 2008 -0700
+++ b/Logging.h	Wed May 07 16:47:44 2008 -0700
@@ -12,13 +12,23 @@
 NSString* LOC( NSString *key );     // Localized string lookup
 
 
-#define Log(FMT,ARGS...) do{if(__builtin_expect(_gShouldLog,0)) _Log(FMT,##ARGS);}while(0)
+#ifdef __cplusplus
+    #define IN_SEGMENT(SEG)
+#else
+    #define IN_SEGMENT(SEG) auto __attribute__ ((section ("__TEXT, "#SEG))) __attribute__ ((noinline)) void _outofband_(void);\
+                            _outofband_();\
+                            void _outofband_(void)
+#endif
+
+#define Log(FMT,ARGS...) do{if(__builtin_expect(_gShouldLog,0)) {\
+                            IN_SEGMENT(Logging){_Log(FMT,##ARGS);}\
+                         } }while(0)
+#define LogTo(DOMAIN,FMT,ARGS...) do{if(__builtin_expect(_gShouldLog,0)) {\
+                                    IN_SEGMENT(Logging) {_LogTo(@""#DOMAIN,FMT,##ARGS);}\
+                                  } }while(0)
 #define Warn Warn
 
 void AlwaysLog( NSString *msg, ... ) __attribute__((format(__NSString__, 1, 2)));
-
-#define LogTo(DOMAIN,FMT,ARGS...) do{if(__builtin_expect(_gShouldLog,0)) _LogTo(@""#DOMAIN,FMT,##ARGS);}while(0)
-
 BOOL _WillLogTo( NSString *domain );
 BOOL EnableLog( BOOL enable );
 #define EnableLogTo( DOMAIN, VALUE )  _EnableLogTo(@""#DOMAIN, VALUE)
diff -r 59addced5e2a -r 5588347dfcbd Target.m
--- a/Target.m	Fri May 02 12:49:43 2008 -0700
+++ b/Target.m	Wed May 07 16:47:44 2008 -0700
@@ -136,6 +136,7 @@
     id result;
     NSMutableArray *invocations = $castIf(NSMutableArray,_invocations);
     if( invocations ) {
+        result = nil;
         for( NSInvocation *invocation in invocations )
             result = invokeSingleTarget(invocation,sender);
     } else {