-# Set up something to print out s-expressions.
-define pr
-set Fprin1 ($, Qexternal_debugging_output)
-echo \n
-end
-
-document pr
-Print the emacs s-expression which is $.
-Works only when an inferior emacs is executing.
-end
-
-define xtype
-print (enum Lisp_Type) (($ >> 24) & 0x7f)
-p $$
-end
-
-define xint
-print (($ & 0x00ffffff) << 8) >> 8
-end
-
-define xptr
-print (void *) ($ & 0x00ffffff)
-end
-
-define xwindow
-print (struct window *) ($ & 0x00ffffff)
-end
-
-define xmarker
-print (struct Lisp_Marker *) ($ & 0x00ffffff)
-end
-
-define xbuffer
-print (struct buffer *) ($ & 0x00ffffff)
-end
-
-define xsymbol
-print (struct Lisp_Symbol *) ($ & 0x00ffffff)
-print &$->name->data
-print $$
-end
-
-define xstring
-print (struct Lisp_String *) ($ & 0x00ffffff)
-print ($->data[0])@($->size)
-print $$
-end
-
-document xstring
-Assume that $ is an Emacs Lisp string object, print the string's
-contents, and set $ to a pointer to the string.
-end
-
-define xvector
-set $temp = (struct Lisp_Vector *) ($ & 0x00ffffff)
-print ($temp->contents[0])@($temp->size)
-print $temp
-end
-
-document xvector
-Assume that $ is an Emacs Lisp vector object, print the vector's
-contents, and set $ to a pointer to the vector.
-end
-
-define xscreen
-print (struct screen *) ($ & 0x00ffffff)
-end
-
-define xcons
-print (struct Lisp_Cons *) ($ & 0x00ffffff)
-print *$
-end
-
-define xcar
-print ((($ >> 24) & 0x7f) == Lisp_Cons ? ((struct Lisp_Cons *) ($ & 0x00ffffff))->car : 0)
-end
-
-define xcdr
-print ((($ >> 24) & 0x7f) == Lisp_Cons ? ((struct Lisp_Cons *) ($ & 0x00ffffff))->cdr : 0)
-end
-
-set prettyprint on
-
-# Don't let abort actually run, as it will make
-# stdio stop working and therefore the `pr' command below as well.
-break abort
-
-# If we are running in synchronous mode, we want a chance to look around
-# before Emacs exits. Perhaps we should put the break somewhere else
-# instead...
-break _XPrintDefaultError
-
-unset env TERMCAP
-unset env TERM
-set env DISPLAY :0.0
-info env DISPLAY
-set args -q
+# Set up something to print out s-expressions.
+define pr
+set debug_print ($)
+echo \n
+end
+document pr
+Print the emacs s-expression which is $.
+Works only when an inferior emacs is executing.
+end
+
+# Set this to the same thing as the DATA_SEG_BITS macro in your
+# machine-description files.
+set $data_seg_bits = 0
+
+define mips
+set $data_seg_bits = 0x10000000
+end
+document mips
+Set up the xfoo macros to deal with the MIPS processor.
+Specifically, this sets $data_seg_bits to the right thing.
+end
+
+define xtype
+output (enum Lisp_Type) (($ >> 28) & 0x7)
+echo \n
+output ((($ >> 28) & 0x7) == Lisp_Misc ? (enum Lisp_Misc_Type) (((struct Lisp_Free *) (($ & 0x0fffffff) | $data_seg_bits))->type) : (($ >> 28) & 0x7) == Lisp_Vectorlike ? ($size = ((struct Lisp_Vector *) (($ & 0x0fffffff) | $data_seg_bits))->size, (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)) : 0)
+echo \n
+end
+document xtype
+Print the type of $, assuming it is an Emacs Lisp value.
+If the first type printed is Lisp_Vector or Lisp_Misc,
+the second line gives the more precise type.
+Otherwise the second line doesn't mean anything.
+end
+
+define xvectype
+set $size = ((struct Lisp_Vector *) (($ & 0x0fffffff) | $data_seg_bits))->size
+output (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)
+echo \n
+end
+document xvectype
+Print the vector subtype of $, assuming it is a vector or pseudovector.
+end
+
+define xmisctype
+output (enum Lisp_Misc_Type) (((struct Lisp_Free *) (($ & 0x0fffffff) | $data_seg_bits))->type)
+echo \n
+end
+document xmisctype
+Print the specific type of $, assuming it is some misc type.
+end
+
+define xint
+print (($ & 0x0fffffff) << 4) >> 4
+end
+document xint
+Print $, assuming it is an Emacs Lisp integer. This gets the sign right.
+end
+
+define xptr
+print (void *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xptr
+Print the pointer portion of $, assuming it is an Emacs Lisp value.
+end
+
+define xwindow
+print (struct window *) (($ & 0x0fffffff) | $data_seg_bits)
+printf "%dx%d+%d+%d\n", $->width, $->height, $->left, $->top
+end
+document xwindow
+Print $ as a window pointer, assuming it is an Emacs Lisp window value.
+Print the window's position as "WIDTHxHEIGHT+LEFT+TOP".
+end
+
+define xmarker
+print (struct Lisp_Marker *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xmarker
+Print $ as a marker pointer, assuming it is an Emacs Lisp marker value.
+end
+
+define xoverlay
+print (struct Lisp_Overlay *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xoverlay
+Print $ as a overlay pointer, assuming it is an Emacs Lisp overlay value.
+end
+
+define xmiscfree
+print (struct Lisp_Free *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xmiscfree
+Print $ as a misc free-cell pointer, assuming it is an Emacs Lisp Misc value.
+end
+
+define xintfwd
+print (struct Lisp_Intfwd *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xintfwd
+Print $ as an integer forwarding pointer, assuming it is an Emacs Lisp Misc value.
+end
+
+define xboolfwd
+print (struct Lisp_Boolfwd *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xboolfwd
+Print $ as a boolean forwarding pointer, assuming it is an Emacs Lisp Misc value.
+end
+
+define xobjfwd
+print (struct Lisp_Objfwd *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xobjfwd
+Print $ as an object forwarding pointer, assuming it is an Emacs Lisp Misc value.
+end
+
+define xbufobjfwd
+print (struct Lisp_Buffer_Objfwd *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xbufobjfwd
+Print $ as a buffer-local object forwarding pointer, assuming it is an Emacs Lisp Misc value.
+end
+
+define xbuflocal
+print (struct Lisp_Buffer_Local_Value *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xbuflocal
+Print $ as a buffer-local-value pointer, assuming it is an Emacs Lisp Misc value.
+end
+
+define xbuffer
+print (struct buffer *) (($ & 0x0fffffff) | $data_seg_bits)
+output &((struct Lisp_String *) ((($->name) & 0x0fffffff) | $data_seg_bits))->data
+echo \n
+end
+document xbuffer
+Set $ as a buffer pointer, assuming it is an Emacs Lisp buffer value.
+Print the name of the buffer.
+end
+
+define xsymbol
+print (struct Lisp_Symbol *) ((((int) $) & 0x0fffffff) | $data_seg_bits)
+output &$->name->data
+echo \n
+end
+document xsymbol
+Print the name and address of the symbol $.
+This command assumes that $ is an Emacs Lisp symbol value.
+end
+
+define xstring
+print (struct Lisp_String *) (($ & 0x0fffffff) | $data_seg_bits)
+output ($->size > 1000) ? 0 : ($->data[0])@($->size)
+echo \n
+end
+document xstring
+Print the contents and address of the string $.
+This command assumes that $ is an Emacs Lisp string value.
+end
+
+define xvector
+print (struct Lisp_Vector *) (($ & 0x0fffffff) | $data_seg_bits)
+output ($->size > 50) ? 0 : ($->contents[0])@($->size)
+echo \n
+end
+document xvector
+Print the contents and address of the vector $.
+This command assumes that $ is an Emacs Lisp vector value.
+end
+
+define xframe
+print (struct frame *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xframe
+Print $ as a frame pointer, assuming it is an Emacs Lisp frame value.
+end
+
+define xwinconfig
+print (struct save_window_data *) (($ & 0x0fffffff) | $data_seg_bits)
+end
+document xwinconfig
+Print $ as a window configuration pointer, assuming it is an Emacs Lisp window configuration value.
+end
+
+define xcompiled
+print (struct Lisp_Vector *) (($ & 0x0fffffff) | $data_seg_bits)
+output ($->contents[0])@($->size & 0xff)
+end
+document xcompiled
+Print $ as a compiled function pointer, assuming it is an Emacs Lisp compiled value.
+end
+
+define xcons
+print (struct Lisp_Cons *) (($ & 0x0fffffff) | $data_seg_bits)
+output *$
+echo \n
+end
+document xcons
+Print the contents of $, assuming it is an Emacs Lisp cons.
+end
+
+define xcar
+print ((($ >> 28) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($ & 0x0fffffff) | $data_seg_bits))->car : 0)
+end
+document xcar
+Print the car of $, assuming it is an Emacs Lisp pair.
+end
+
+define xcdr
+print ((($ >> 28) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($ & 0x0fffffff) | $data_seg_bits))->cdr : 0)
+end
+document xcdr
+Print the cdr of $, assuming it is an Emacs Lisp pair.
+end
+
+define xsubr
+print (struct Lisp_Subr *) (($ & 0x0fffffff) | $data_seg_bits)
+output *$
+echo \n
+end
+document xsubr
+Print the address of the subr which the Lisp_Object $ points to.
+end
+
+define xprocess
+print (struct Lisp_Process *) (($ & 0x0fffffff) | $data_seg_bits)
+output *$
+echo \n
+end
+document xprocess
+Print the address of the struct Lisp_process which the Lisp_Object $ points to.
+end
+
+define xfloat
+print ((struct Lisp_Float *) (($ & 0x0fffffff) | $data_seg_bits))->data
+end
+document xfloat
+Print $ assuming it is a lisp floating-point number.
+end
+
+define xscrollbar
+print (struct scrollbar *) (($ & 0x0fffffff) | $data_seg_bits)
+output *$
+echo \n
+end
+document xscrollbar
+Print $ as a scrollbar pointer.
+end
+
+set print pretty on
+set print sevenbit-strings
+
+show environment DISPLAY
+show environment TERM
+set args -geometry 80x40+0+0
+
+# Don't let abort actually run, as it will make
+# stdio stop working and therefore the `pr' command above as well.
+break abort
+
+# If we are running in synchronous mode, we want a chance to look around
+# before Emacs exits. Perhaps we should put the break somewhere else
+# instead...
+break x_error_quitter
+
+
HCoop / bpt / emacs.git / blobdiff