From 42e91b48b003dae34edd8f41b82ba0d7ffa67d16 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Wed, 12 Dec 2007 01:07:10 +0000
Subject: Added more tracey goodness, this is incomplete, but cool looking.

Also removed some debugging from Process, it needs a helper to clear a buffer,
or an option to ignore stderr.
---
 src/process.cpp |   1 -
 src/trace.h     | 150 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 148 insertions(+), 3 deletions(-)

diff --git a/src/process.cpp b/src/process.cpp
index 5dab243..719996b 100644
--- a/src/process.cpp
+++ b/src/process.cpp
@@ -87,7 +87,6 @@ size_t Bu::Process::read( void *pBuf, size_t nBytes )
 		size_t iRet = ::read( iStdOut, (char *)pBuf+iTotal, nBytes-iTotal );
 		if( iRet == 0 )
 			return iTotal;
-		printf("--read=%d / %d--\n", iRet, iTotal+iRet );
 		iTotal += iRet;
 		if( iTotal == nBytes )
 			return iTotal;
diff --git a/src/trace.h b/src/trace.h
index 345a2de..4f85c9b 100644
--- a/src/trace.h
+++ b/src/trace.h
@@ -9,9 +9,155 @@
 #define BU_TRACE_H
 
 #ifdef BU_TRACE
-# define TRACE() printf("trace: %s\n", __PRETTY_FUNCTION__ )
+#include "bu/fstring.h"
+
+namespace Nango
+{
+	template<typename t> void __tracer_format( t &v );
+	
+	void __tracer( const char *pf )
+	{
+		printf("trace: %s\n", pf );
+	}
+
+#define looper( vv ) 									\
+		for( ; *n; n++ ) 								\
+		{												\
+			if( *n == ',' || *n == ')' )				\
+			{											\
+				fwrite( s, (int)n-(int)s, 1, stdout );	\
+				fwrite("=", 1, 1, stdout);				\
+				__tracer_format( vv );					\
+				s = n;									\
+				n++;									\
+				break;									\
+			}											\
+		}
+	template<typename t1> void __tracer( const char *pf, t1 &v1 )
+	{
+		printf("trace: ");
+		const char *s = pf;
+		const char *n = pf;
+		looper( v1 );
+		fwrite( s, (int)n-(int)s, 1, stdout );
+		fwrite( "\n", 1, 1, stdout );
+	}
+
+	template<typename t1, typename t2> void __tracer( const char *pf,
+			t1 &v1, t2 &v2 )
+	{
+		printf("trace: ");
+		const char *s = pf;
+		const char *n = pf;
+		looper( v1 );
+		looper( v2 );
+		fwrite( s, (int)n-(int)s, 1, stdout );
+		fwrite( "\n", 1, 1, stdout );
+	}
+
+	template<typename t1, typename t2, typename t3>
+		void __tracer( const char *pf, t1 &v1, t2 &v2, t3 &v3 )
+	{
+		printf("trace: ");
+		const char *s = pf;
+		const char *n = pf;
+		looper( v1 );
+		looper( v2 );
+		looper( v3 );
+		fwrite( s, (int)n-(int)s, 1, stdout );
+		fwrite( "\n", 1, 1, stdout );
+	}
+
+	template<typename t1, typename t2, typename t3, typename t4>
+		void __tracer( const char *pf, t1 &v1, t2 &v2, t3 &v3, t4 &v4 )
+	{
+		printf("trace: ");
+		const char *s = pf;
+		const char *n = pf;
+		looper( v1 );
+		looper( v2 );
+		looper( v3 );
+		looper( v4 );
+		fwrite( s, (int)n-(int)s, 1, stdout );
+		fwrite( "\n", 1, 1, stdout );
+	}
+
+	template<typename t1, typename t2, typename t3, typename t4, typename t5>
+		void __tracer( const char *pf, t1 &v1, t2 &v2, t3 &v3, t4 &v4, t5 &v5 )
+	{
+		printf("trace: ");
+		const char *s = pf;
+		const char *n = pf;
+		looper( v1 );
+		looper( v2 );
+		looper( v3 );
+		looper( v4 );
+		looper( v5 );
+		fwrite( s, (int)n-(int)s, 1, stdout );
+		fwrite( "\n", 1, 1, stdout );
+	}
+
+	template<typename t1, typename t2, typename t3, typename t4, typename t5,
+		typename t6>
+		void __tracer( const char *pf, t1 &v1, t2 &v2, t3 &v3, t4 &v4, t5 &v5,
+				t6 &v6)
+	{
+		printf("trace: ");
+		const char *s = pf;
+		const char *n = pf;
+		looper( v1 );
+		looper( v2 );
+		looper( v3 );
+		looper( v4 );
+		looper( v5 );
+		looper( v6 );
+		fwrite( s, (int)n-(int)s, 1, stdout );
+		fwrite( "\n", 1, 1, stdout );
+	}
+
+	template<typename t1, typename t2, typename t3, typename t4, typename t5,
+		typename t6, typename t7>
+		void __tracer( const char *pf, t1 &v1, t2 &v2, t3 &v3, t4 &v4, t5 &v5,
+				t6 &v6, t7 &v7 )
+	{
+		printf("trace: ");
+		const char *s = pf;
+		const char *n = pf;
+		looper( v1 );
+		looper( v2 );
+		looper( v3 );
+		looper( v4 );
+		looper( v5 );
+		looper( v6 );
+		looper( v7 );
+		fwrite( s, (int)n-(int)s, 1, stdout );
+		fwrite( "\n", 1, 1, stdout );
+	}
+
+	template<> void __tracer_format<const int>( const int &v )
+	{
+		printf("%d", v );
+	}
+
+	template<> void __tracer_format<int>( int &v )
+	{
+		printf("%d", v );
+	}
+
+	template<> void __tracer_format<void *>( void * &v )
+	{
+		printf("0x%08X", (unsigned int)v );
+	}
+
+	template<> void __tracer_format<const char *>( const char * &v )
+	{
+		printf("\"%s\"", v );
+	}
+}
+
+# define TRACE(args...) Nango::__tracer( __PRETTY_FUNCTION__, ##args )
 #else
-# define TRACE() {}
+# define TRACE(args...) {}
 #endif
 
 #endif
-- 
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