added object construction and destruction flags

reconsidered flext::buffer:Update

git-svn-id: https://svn.grrrr.org/ext/trunk@919 4d9ac71a-51e6-0310-8455-cad1006bcd31

buildsys/config-mac-max-gcc.txt

-# where are the Max/MSP SDK header files?
-# you should have the latest version!
-MAXSDKPATH=/Volumes/Daten/Prog/MaxMSP-SDK/4.5\ headers/c74support
-
-# where should the external be installed?
-INSTPATH=/Library/Application\ Support/Cycling\ \'74/externals
-
-# where do the flext headers and libraries reside?
-FLEXTPATH=/Library/Application\ Support/Cycling\ \'74/flext
-
-# where should the external be built?
-OUTPATH=max-darwin
-
-# user defined compiler flags
-# (check if they match your system!)
-OFLAGS=-O2 -mcpu=G4 -malign-natural -maltivec -faltivec

buildsys/config-mac-pd-gcc.txt

-# where is the PD installation including source code?
-PDPATH=/Applications/Pd-0.38-0test10.app/Contents/Resources
-
-# where is the PD executable?
-PDBIN=$(PDPATH)/bin/pd
-
-# where should the external be installed?
-INSTPATH=$(PDPATH)/extra
-
-# where do the flext headers and libraries reside?
-FLEXTPATH=$(PDPATH)/flext
-
-# where should the external be built?
-OUTPATH=pd-darwin
-
-# user defined compiler flags
-# (check if they match your system!)
-OFLAGS=-O2 -mcpu=G4 -malign-natural -maltivec -faltivec

changes.txt

@@ -24,6 +24,8 @@ Version history:
 - added global system locking
 - added general atom outlet functions To{Sys,Out,Queue}Atom
 - added build system for flext-based externals
+- flags for object construction and destruction phase (Initing() and Exiting())
+- reconsidered flext::buffer::Update
 
 0.4.7:
 - added flext::GetBool (just because flext::GetInt has been there for a while)

flext.vcproj

@@ -273,7 +273,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="c:\programme\audio\pd\src,f:\prog\audio\sndobj\include,f:\prog\audio\stk\include"
+				AdditionalIncludeDirectories="c:\programme\audio\pd\src;c:\data\prog\audio\sndobj\include;c:\data\prog\audio\stk\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;FLEXT_SYS=2;FLEXT_USE_SIMD"
 				StringPooling="TRUE"
 				RuntimeLibrary="0"
@@ -646,7 +646,7 @@ copy F:\prog\max\flext\max-msvc\flext.max.dll f:\prog\dll
 				AdditionalIncludeDirectories=""C:\data\prog\audio\maxmspsdk_win\4.5 headers\c74support\max-includes";"C:\data\prog\audio\maxmspsdk_win\4.5 headers\c74support\msp-includes";f:\prog\packs\pthreads;f:\prog\audio\sndobj\include;f:\prog\audio\stk\include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;FLEXT_SYS_MAX;FLEXT_USE_SIMD;FLEXT_EXPORTS"
 				StringPooling="TRUE"
-				RuntimeLibrary="1"
+				RuntimeLibrary="0"
 				StructMemberAlignment="2"
 				EnableEnhancedInstructionSet="1"
 				RuntimeTypeInfo="TRUE"

source/flbase.cpp

@@ -44,6 +44,9 @@ int flext_obj::m_holdaargc = 0;
 const t_atom *flext_obj::m_holdaargv = NULL;
 bool flext_obj::process_attributes = false;
 
+bool flext_obj::initing = false;
+bool flext_obj::exiting = false;
+
 void flext_obj::ProcessAttributes(bool attr) { process_attributes = attr; }
 
 /////////////////////////////////////////////////////////
@@ -51,10 +54,10 @@ void flext_obj::ProcessAttributes(bool attr) { process_attributes = attr; }
 //
 /////////////////////////////////////////////////////////
 flext_obj :: FLEXT_CLASSDEF(flext_obj)()
-           : x_obj(m_holder)
-           , procattr(m_holdattr)
-           , init_ok(true)
-           , m_name(m_holdname)
+    : x_obj(m_holder)
+    , procattr(m_holdattr)
+    , init_ok(true)
+    , m_name(m_holdname)
 {
 #if FLEXT_SYS == FLEXT_SYS_PD
     m_canvas = canvas_getcurrent();

source/flbase.h

@@ -219,6 +219,9 @@ class FLEXT_SHARE FLEXT_CLASSDEF(flext_obj):
         //! Flag for successful object construction
         bool				init_ok;
 
+        // flags for init and exit procedure;
+        static bool initing,exiting;
+
 	public:
 
     	//! Creation callback
@@ -242,6 +245,14 @@ class FLEXT_SHARE FLEXT_CLASSDEF(flext_obj):
 		//! Check whether construction was successful
 		bool InitOk() const { return init_ok; }
 
+        /*! Return true if in object initialization phase
+            true when in constructor or Init, false when in Finalize
+        */
+        static bool Initing() { return initing; }
+
+        //! Return true if in object destruction phase (Exit or destructor)
+        static bool Exiting() { return exiting; }
+
 		// Definitions for library objects
 		static void lib_init(const char *name,void setupfun(),bool attr);
 		static void obj_add(bool lib,bool dsp,bool attr,const char *idname,const char *names,void setupfun(t_classid),FLEXT_CLASSDEF(flext_obj) *(*newfun)(int,t_atom *),void (*freefun)(flext_hdr *),int argtp1,...);

source/flbuf.cpp

@@ -81,7 +81,7 @@ int flext::buffer::Set(const t_symbol *s,bool nameonly)
         if(!arr)
         {
             if (*GetString(sym)) FLEXT_LOG1("buffer: no such array '%s'",GetString(sym));
-            sym = NULL;
+//            sym = NULL;
             if(valid) ret = -1;
         }
         else if(!garray_getfloatarray(arr, &frames1, &data1))
@@ -147,11 +147,13 @@ bool flext::buffer::Valid() const
 
 bool flext::buffer::Update()
 {
-    if(!Ok()) return false;
+//    if(!Ok()) return false;
 
     bool ok = false;
 
 #if FLEXT_SYS == FLEXT_SYS_PD
+    if(!sym || !arr) return data == NULL;
+
     int frames1;
     t_sample *data1;
     if(!garray_getfloatarray(arr, &frames1, &data1)) {
@@ -166,6 +168,8 @@ bool flext::buffer::Update()
         ok = true;
     }
 #elif FLEXT_SYS == FLEXT_SYS_MAX
+    if(!sym) return data == NULL;
+
     if(sym->s_thing) {
         const _buffer *p = (const _buffer *)sym->s_thing;
         if(data != p->b_samples || chns != p->b_nchans || frames != p->b_frames) {

source/fllib.cpp

@@ -413,6 +413,7 @@ flext_hdr *flext_obj::obj_new(const t_symbol *s,int _argc_,t_atom *argv)
                 flext_obj::m_holder = obj;
 			    flext_obj::m_holdname = s;
 			    flext_obj::m_holdattr = lo->attr;
+                flext_obj::initing = true;
 
 			    // get actual flext object (newfun calls "new flext_obj()")
 			    if(lo->argc >= 0)
@@ -446,6 +447,8 @@ flext_hdr *flext_obj::obj_new(const t_symbol *s,int _argc_,t_atom *argv)
 				    // here, inlets, outlets, methods and attributes can be set up
 				    ok = obj->data->Init();
 
+                    flext_obj::initing = false;
+
 				    // call another virtual init function 
 				    if(ok) ok = obj->data->Finalize();
 
@@ -467,6 +470,8 @@ flext_hdr *flext_obj::obj_new(const t_symbol *s,int _argc_,t_atom *argv)
                 ok = false;
             }
 
+            flext_obj::initing = false;
+
             if(!ok) { 
 				// there was some init error, free object
 				lo->freefun(obj); 
@@ -500,6 +505,8 @@ void flext_obj::obj_free(flext_hdr *h)
 
 	if(lcl) {
         try {
+            flext_obj::exiting = true;
+
 		    // call virtual exit function
 		    hdr->data->Exit();
 
@@ -515,7 +522,9 @@ void flext_obj::obj_free(flext_hdr *h)
         catch(...) {
     		error("%s - Unknown exception while destroying object",GetString(name));
         }
-	}
+
+        flext_obj::exiting = false;
+    }
 #ifdef FLEXT_DEBUG
 	else 
 #if FLEXT_SYS == FLEXT_SYS_MAX