fix of stepping in ruby debugger source code reverted (#58)

it's time consuming and breaks attach

Author: viuginick1

ext/context.c

@@ -135,33 +135,18 @@ Context_mark(debug_context_t *context)
 
 static void
 Context_free(debug_context_t *context) {
-  xfree(context->init_stack_files);
   xfree(context);
 }
 
 extern VALUE
 context_create(VALUE thread, VALUE cDebugThread) {
   debug_context_t *context;
   VALUE locations;
-  VALUE location;
-  VALUE path;
-  VALUE lineno;
 
   context = ALLOC(debug_context_t);
   context->stack_size = 0;
   locations = rb_funcall(thread, rb_intern("backtrace_locations"), 1, INT2FIX(1));
-  context->init_stack_size = context->calced_stack_size = locations != Qnil ? RARRAY_LENINT(locations) : 0;
-
-  context->init_stack_files = ruby_xmalloc2((context->init_stack_size),sizeof(char*));
-  
-  int i;
-  for (i = 0; i < context->init_stack_size; i++) {
-    location = rb_ary_entry(locations, i);
-    path = rb_funcall(location, rb_intern("path"), 0);
-    lineno = rb_funcall(location, rb_intern("lineno"), 0);
-    context->init_stack_files[i] = path != Qnil ? RSTRING_PTR(path) : "";
-  }
-
+  context->calced_stack_size = locations != Qnil ? RARRAY_LENINT(locations) : 0;
 
   context->stack = NULL;
   context->thnum = ++thnum_current;

ext/debase_internals.c

@@ -323,7 +323,6 @@ process_line_event(VALUE trace_point, void *data)
   char *file;
   int line;
   int moved;
-  int not_user_code = 0;
 
   context_object = Debase_current_context(mDebase);
   Data_Get_Struct(context_object, debug_context_t, context);
@@ -338,16 +337,6 @@ process_line_event(VALUE trace_point, void *data)
     file = RSTRING_PTR(path);
     line = FIX2INT(lineno);
 
-    int i;
-    if(context->calced_stack_size < context->init_stack_size) {
-      for(i = 0; i < context->init_stack_size; i++)
-      {
-        if(strcmp(file, context->init_stack_files[i]) == 0) {
-          not_user_code = 1;
-        }
-      } 
-    }
-
     update_stack_size(context);
     print_event(tp, context);
 
@@ -384,7 +373,7 @@ process_line_event(VALUE trace_point, void *data)
     }
 
     breakpoint = breakpoint_find(breakpoints, path, lineno, trace_point);
-    if (not_user_code == 0 && (context->stop_next == 0 || context->stop_line == 0 || breakpoint != Qnil)) {
+    if (context->stop_next == 0 || context->stop_line == 0 || breakpoint != Qnil) {
       rb_ensure(start_inspector, context_object, stop_inspector, Qnil);
       context->stop_reason = CTX_STOP_STEP;
       if (breakpoint != Qnil) {

ext/debase_internals.h

@@ -57,9 +57,6 @@ typedef struct debug_context {
   /* dest_frame uses calced_stack_size for stepping */
   int dest_frame;
   int calced_stack_size;
-  int init_stack_size;
-
-  char **init_stack_files;
 
   char *last_file;
   int last_line;