cleanup of code related to xfree(), better KKCC backtrace capabilities, document XD_INLINE_LISP_OBJECT_BLOCK_PTR, fix some memory leaks, other code cleanup -------------------- ChangeLog entries follow: -------------------- src/ChangeLog addition: 2010-03-24 Ben Wing <ben@xemacs.org> * array.h: * array.h (XD_LISP_DYNARR_DESC): * dumper.c (pdump_register_sub): * dumper.c (pdump_store_new_pointer_offsets): * dumper.c (pdump_reloc_one_mc): * elhash.c: * gc.c (lispdesc_one_description_line_size): * gc.c (kkcc_marking): * lrecord.h: * lrecord.h (IF_NEW_GC): * lrecord.h (enum memory_description_type): * lrecord.h (enum data_description_entry_flags): * lrecord.h (struct opaque_convert_functions): Rename XD_LISP_OBJECT_BLOCK_PTR to XD_INLINE_LISP_OBJECT_BLOCK_PTR and document it in lrecord.h. * data.c: * data.c (finish_marking_weak_lists): * data.c (continue_marking_ephemerons): * data.c (finish_marking_ephemerons): * elhash.c (MARK_OBJ): * gc.c: * gc.c (lispdesc_indirect_count_1): * gc.c (struct): * gc.c (kkcc_bt_push): * gc.c (kkcc_gc_stack_push): * gc.c (kkcc_gc_stack_push_lisp_object): * gc.c (kkcc_gc_stack_repush_dirty_object): * gc.c (KKCC_DO_CHECK_FREE): * gc.c (mark_object_maybe_checking_free): * gc.c (mark_struct_contents): * gc.c (mark_lisp_object_block_contents): * gc.c (register_for_finalization): * gc.c (mark_object): * gc.h: * lisp.h: * profile.c: * profile.c (mark_profiling_info_maphash): Clean up KKCC code related to DEBUG_XEMACS. Rename kkcc_backtrace() to kkcc_backtrace_1() and add two params: a `size' arg to control how many stack elements to print and a `detailed' arg to control whether Lisp objects are printed using `debug_print()'. Create front-ends to kkcc_backtrace_1() -- kkcc_detailed_backtrace(), kkcc_short_backtrace(), kkcc_detailed_backtrace_full(), kkcc_short_backtrace_full(), as well as shortened versions kbt(), kbts(), kbtf(), kbtsf() -- to call it with various parameter values. Add an `is_lisp' field to the stack and backtrace structures and use it to keep track of whether an object pushed onto the stack is a Lisp object or a non-Lisp structure; in kkcc_backtrace_1(), don't try to print a non-Lisp structure as a Lisp object. * elhash.c: * extents.c: * file-coding.c: * lrecord.h: * lrecord.h (IF_NEW_GC): * marker.c: * marker.c (Fmarker_buffer): * mule-coding.c: * number.c: * rangetab.c: * specifier.c: New macros IF_OLD_GC(), IF_NEW_GC() to simplify declaration of Lisp objects when a finalizer may exist in one but not the other. Use them appropriately. * extents.c (finalize_extent_info): Don't zero out data->soe and data->extents before trying to free, else we get memory leaks. * lrecord.h (enum lrecord_type): Make the first lrecord type have value 1 not 0 so that 0 remains without implementation and attempts to interpret zeroed memory as a Lisp object will be more obvious. * array.c (Dynarr_free): * device-msw.c (msprinter_delete_device): * device-tty.c (free_tty_device_struct): * device-tty.c (tty_delete_device): * dialog-msw.c (handle_directory_dialog_box): * dialog-x.c: * emacs.c (free_argc_argv): * emodules.c (attempt_module_delete): * file-coding.c (chain_finalize_coding_stream_1): * file-coding.c (chain_finalize_coding_stream): * glyphs-eimage.c: * glyphs-eimage.c (jpeg_instantiate_unwind): * glyphs-eimage.c (gif_instantiate_unwind): * glyphs-eimage.c (png_instantiate_unwind): * glyphs-eimage.c (tiff_instantiate_unwind): * imgproc.c: * imgproc.c (build_EImage_quantable): * insdel.c (uninit_buffer_text): * mule-coding.c (iso2022_finalize_detection_state): * objects-tty.c (tty_finalize_color_instance): * objects-tty.c (tty_finalize_font_instance): * objects-tty.c (tty_font_list): * process.c: * process.c (finalize_process): * redisplay.c (add_propagation_runes): * scrollbar-gtk.c: * scrollbar-gtk.c (gtk_free_scrollbar_instance): * scrollbar-gtk.c (gtk_release_scrollbar_instance): * scrollbar-msw.c: * scrollbar-msw.c (mswindows_free_scrollbar_instance): * scrollbar-msw.c (unshow_that_mofo): * scrollbar-x.c (x_free_scrollbar_instance): * scrollbar-x.c (x_release_scrollbar_instance): * select-x.c: * select-x.c (x_handle_selection_request): * syntax.c: * syntax.c (uninit_buffer_syntax_cache): * text.h (eifree): If possible, whenever we call xfree() on a field in a structure, set the field to 0 afterwards. A lot of code is written so that it checks the value being freed to see if it is non-zero before freeing it -- doing this and setting the value to 0 afterwards ensures (a) we won't try to free twice if the cleanup code is called twice; (b) if the object itself stays around, KKCC won't crash when attempting to mark the freed field. * rangetab.c: Add a finalization method when not NEW_GC to avoid memory leaks. (#### We still get memory leaks when NEW_GC; need to convert gap array to Lisp object).

/* Implements a lightweight scrollbar widget.  
   Copyright (C) 1992, 1993, 1994 Lucid, Inc.

This file is part of the Lucid Widget Library.

The Lucid Widget Library is free software; you can redistribute it and/or 
modify it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

The Lucid Widget Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with XEmacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Created by Douglas Keller <dkeller@vnet.ibm.com> */

#ifndef INCLUDED_xlwscrollbar_h_
#define INCLUDED_xlwscrollbar_h_

#include <X11/Core.h>

/* Motif-compatible resource names */
#ifndef _XmStrDefs_h_

#define XmNbackground		"background"
#define XmNbottomShadowColor	"bottomShadowColor"
#define XmNbottomShadowPixmap	"bottomShadowPixmap"
#define XmNforeground		"foreground"
#define XmNincrement		"increment"
#define XmNinitialDelay		"initialDelay"
#define XmNmaximum		"maximum"
#define XmNminimum		"minimum"
#define XmNpageIncrement	"pageIncrement"
#define XmNrepeatDelay		"repeatDelay"
#define XmNshadowThickness	"shadowThickness"
#define XmNborderWidth		"borderWidth"
#define XmNshowArrows		"showArrows"
#define XmNsliderSize		"sliderSize"
#define XmNtopShadowColor	"topShadowColor"
#define XmNtopShadowPixmap	"topShadowPixmap"
#define XmNtroughColor		"troughColor"
#define XmNvalue		"value"
#define XmNvalueChangedCallback	"valueChangedCallback"
#define XmNincrementCallback	"incrementCallback"
#define XmNdecrementCallback	"decrementCallback"
#define XmNpageIncrementCallback "pageIncrementCallback"
#define XmNpageDecrementCallback "pageDecrementCallback"
#define XmNtoTopCallback	"toTopCallback"
#define XmNtoBottomCallback	"toBottomCallback"
#define XmNdragCallback		"dragCallback"
#define XmNorientation		"orientation"

#define XmCBackground		"Background"
#define XmCBottomShadowColor	"BottomShadowColor"
#define XmCBottomShadowPixmap	"BottomShadowPixmap"
#define XmCTopShadowPixmap	"TopShadowPixmap"
#define XmCForeground		"Foreground"
#define XmCIncrement		"Increment"
#define XmCInitialDelay		"InitialDelay"
#define XmCMaximum		"Maximum"
#define XmCMinimum		"Minimum"
#define XmCPageIncrement	"PageIncrement"
#define XmCRepeatDelay		"RepeatDelay"
#define XmCShadowThickness	"ShadowThickness"
#define XmCBorderWidth		"BorderWidth"
#define XmCShowArrows		"ShowArrows"
#define XmCSliderSize		"SliderSize"
#define XmCTopShadowColor	"TopShadowColor"
#define XmCTroughColor		"TroughColor"
#define XmCValue		"Value"
#define XmCValueChangedCallback	"ValueChangedCallback"
#define XmCIncrementCallback	"IncrementCallback"
#define XmCDecrementCallback	"DecrementCallback"
#define XmCPageIncrementCallback "PageIncrementCallback"
#define XmCPageDecrementCallback "PageDecrementCallback"
#define XmCToTopCallback	"ToTopCallback"
#define XmCToBottomCallback	"ToBottomCallback"
#define XmCDragCallback		"DragCallback"
#define XmCOrientation		"Orientation"

#endif /* _XmStrDefs_h_ */

/* New resources that Motif does not have.
   Maybe we should use a different prefix. */

/* "knob" is obsolete; use "slider" instead. */
#define XmNknobStyle		"knobStyle"
#define XmCKnobStyle		"KnobStyle"

#define XmNsliderStyle		"sliderStyle"
#define XmCSliderStyle		"SliderStyle"

#define XmNarrowPosition	"arrowPosition"
#define XmCArrowPosition	"ArrowPosition"

#ifndef _Xm_h

enum {
    XmCR_NONE,
    XmCR_VALUE_CHANGED = 2,
    XmCR_INCREMENT,
    XmCR_DECREMENT,
    XmCR_PAGE_INCREMENT,
    XmCR_PAGE_DECREMENT,
    XmCR_TO_TOP,
    XmCR_TO_BOTTOM,
    XmCR_DRAG
};

enum {
    XmNO_ORIENTATION,
    XmVERTICAL,
    XmHORIZONTAL
};

#endif /* ! _Xm_h */

extern WidgetClass xlwScrollBarWidgetClass;

typedef struct _XlwScrollBarClassRec *XlwScrollBarWidgetClass;
typedef struct _XlwScrollBarRec      *XlwScrollBarWidget;

typedef struct
{
   int reason;
   XEvent * event;
   int value;
   int pixel;
} XlwScrollBarCallbackStruct;

void XlwScrollBarGetValues(Widget widget, int *value, int *sliderSize,
			   int *increment, int *pageIncrement);

void XlwScrollBarSetValues(Widget widget, int value, int sliderSize,
			   int increment, int pageIncrement, Boolean notify);

#endif /* INCLUDED_xlwscrollbar_h_ */