added pf_method_get_ip_source_line() and defined CompiledMethod::ipSourceLine

moo/kernel/Context.moo

@@ -322,9 +322,10 @@ class(#pointer) CompiledMethod(Object)
 	    ntmprs,
 	    nargs,
 	    //code, <-- only if moo is built with MOO_USE_METHOD_TRAILER disable.
-	    source,
-	    source_file,
-	    source_line.
+	    source_text,
+	    dbi_file_offset,
+	    source_line,
+	    dbi_method_offset.
 
 	method preamble
 	{
@@ -348,6 +349,7 @@ class(#pointer) CompiledMethod(Object)
 	}
 
 	method(#primitive) sourceFile.
+	method(#primitive) ipSourceLine: ip.
 
 	method sourceLine
 	{

moo/kernel/Except.moo

@@ -77,7 +77,7 @@ while (ctx notNil)
 	if (ctx class == MethodContext) 
 	{
 		System logNl: (" " & ctx method owner name & ">>" & ctx method name &
-		               " (" & ctx method sourceFile & " " & ctx method sourceLine asString & ")"). 
+		               " (" & ctx method sourceFile & " " & (ctx method ipSourceLine: (ctx pc)) asString & ")"). 
 // TODO: get location of the current pc and include it... (ctx method sourceLine: ctx pc) asString dump.
 
 	}.