diff --git a/doc/xschem_man/developer_info.html b/doc/xschem_man/developer_info.html index d7287a29..cf43eea3 100644 --- a/doc/xschem_man/developer_info.html +++ b/doc/xschem_man/developer_info.html @@ -1003,14 +1003,16 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns" 0: eat non escaped quotes (") 1: return unescaped quotes as part of the token value if they are present 2: eat backslashes -
  • load f [symbol|gui|noundoreset|nofullzoom]
  • +   
  • load [-nosymbols|-gui|-noundoreset|-nofullzoom|-keep_symbols] f
  •     Load a new file 'f'.
    -   'gui': ask to save modified file or warn if opening an already
    -   open file or opening a new(not existing) file.
    -   'noundoreset': do not reset the undo history
    -   'symbol': do not load symbols (used if loading a symbol instead of a schematic)
    -   'nofullzoom': do not do a full zoom on new schematic.
    -   'nodraw': do not draw.
    + '-gui': ask to save modified file or warn if opening an already + open file or opening a new(not existing) file. + '-noundoreset': do not reset the undo history + '-nosymbols': do not load symbols (used if loading a symbol instead of + a schematic) + '-nofullzoom': do not do a full zoom on new schematic. + '-nodraw': do not draw. + '-keep_symbols': retain symbols that are already loaded.
  • load_new_window [f]
  •     Load schematic in a new tab/window. If 'f' not given prompt user
        if 'f' is given as empty '{}' then open untitled.sch 
    @@ -1071,7 +1073,7 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
  • net_pin_mismatch
  •     Highlight nets attached to selected symbols with
        a different name than symbol pin 
    -
  • netlist [-messages | -erc | -nohier] [filename]
  • +   
  • netlist [-keep_symbols|-noalert|-messages|-erc | -nohier] [filename]
  •     do a netlist of current schematic in currently defined netlist format
        if 'filename'is given use specified name for the netlist
        if 'filename' contains path components place the file in specified path location.
    @@ -1081,9 +1083,11 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
        will create the netlist in different places.
        netlisting directory is reset to previous setting after completing this command
        If -messages is given return the ERC messages instead of just a fail (1)
    +   or no fail (0) code. 
        If -erc is given it means netlister is called from gui, enable show infowindow
        If -nohier is given netlist only current level
    -   or no fail (0) code. 
    + If -keep_symbols is given no not purge symbols encountered traversing the + design hierarchy
  • new_process [f]
  •     Start a new xschem process for a schematic.
        If 'f' is given load specified schematic. 
    @@ -1475,14 +1479,14 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns" 3 : set modified flag, do nothing else. -1 : set title, rst floater caches. -2 : rst floater caches, update simulation button colors (Simulate, Waves, Netlist). -
  • setprop instance|symbol|text|rect ref tok [val] [fast]
  • +   
  • setprop [-fast|-fastundo] instance|symbol|text|rect ref tok [val]
  •        
    -       setprop instance inst [tok] [val] [fast]
    +       setprop [-fast] instance inst [tok] [val]
        set attribute 'tok' of instance (name or number) 'inst' to value 'val'
        If 'tok' set to 'allprops' replace whole instance prop_str with 'val'
        If 'val' not given (no attribute value) delete attribute from instance
        If 'tok' not given clear completely instance attribute string
    -   If 'fast' argument if given does not redraw and is not undoable
    +   If '-fast' argument if given does not redraw and is not undoable
           
            setprop symbol name tok [val]
        Set attribute 'tok' of symbol name 'name' to 'val'
    @@ -1490,23 +1494,23 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
        This command is not very useful since changes are not saved into symbol
        and netlisters reload symbols, so changes are lost anyway.
           
    -       setprop rect lay n tok [val] [fast|fastundo]
    +       setprop rect [-fast|-fastundo] lay n tok [val]
        Set attribute 'tok' of rectangle number'n' on layer 'lay'
        If 'val' not given (no attribute value) delete attribute from rect
    -   If 'fast' argument is given does not redraw and is not undoable
    -   If 'fastundo' s given same as above but action is undoable.
    +   If '-fast' argument is given does not redraw and is not undoable
    +   If '-fastundo' s given same as above but action is undoable.
           
            setprop rect 2 n fullxzoom
            setprop rect 2 n fullyzoom
        These commands do full x/y zoom of graph 'n' (on layer 2, this is hardcoded).
           
    -       setprop text n [tok] [val] [fast|fastundo]
    +       setprop [-fast|-fastundo] text n [tok] [val]
        Set attribute 'tok' of text number 'n'
        If 'tok' not specified set text string (txt_ptr) to value
        If "txt_ptr" is given as token replace the text txt_ptr ("the text")
        If 'val' not given (no attribute value) delete attribute from text
    -   If 'fast' argument is given does not redraw and is not undoable
    -   If 'fastundo' s given same as above but action is undoable.
    + If '-fast' argument is given does not redraw and is not undoable + If '-fastundo' is given same as above but action is undoable.
  • simulate [callback]
  •     Run a simulation (start simulator configured as default in
        Tools -> Configure simulators and tools)
    diff --git a/src/callback.c b/src/callback.c
    index 5ca83a4d..d0abffdb 100644
    --- a/src/callback.c
    +++ b/src/callback.c
    @@ -1869,7 +1869,7 @@ static void context_menu_action(double mx, double my)
           merge_file(2,".sch");
           break;
         case 9: /* load most recent file */
    -      tclvareval("xschem load [lindex $recentfile 0] gui", NULL);
    +      tclvareval("xschem load -gui [lindex $recentfile 0]", NULL);
           break;
         case 10: /* edit attributes */
           edit_property(0);
    @@ -3145,7 +3145,7 @@ int rstate; /* (reduced state, without ShiftMask) */
        }
        if(key=='O' && rstate == ControlMask )   /* load most recent tile */
        {
    -     tclvareval("xschem load [lindex $recentfile 0] gui", NULL);
    +     tclvareval("xschem load -gui [lindex $recentfile 0]", NULL);
          break;
        }
        if(key=='O' && rstate == 0)   /* toggle light/dark colorscheme 20171113 */
    diff --git a/src/hspice_backannotate.tcl b/src/hspice_backannotate.tcl
    index 5f29b7f6..429e682c 100644
    --- a/src/hspice_backannotate.tcl
    +++ b/src/hspice_backannotate.tcl
    @@ -108,19 +108,19 @@ proc annotate {} {
         set type [xschem getprop instance $i cell::type]
         if { $type == "probe"} { 
           set net [xschem instance_net $i p]
    -      if {[catch {xschem setprop instance $i voltage [get_voltage $net] fast} err]} {
    +      if {[catch {xschem setprop -fast instance $i voltage [get_voltage $net]} err]} {
             puts "1 error : $err net: $net"
           }
         }
         if { $type == "current_probe"} { 
    -      if {[catch {xschem setprop instance $i current [get_current $name] fast} err]} {
    +      if {[catch {xschem setprop -fast instance $i current [get_current $name]} err]} {
             puts "2 error : $err"
           }
         }
         if { $type == "differential_probe"} { 
           set netp [xschem instance_net $i p]
           set netm [xschem instance_net $i m]
    -      if {[catch {xschem setprop instance $i voltage [get_diff_voltage $netp $netm] fast} err]} {
    +      if {[catch {xschem setprop -fast instance $i voltage [get_diff_voltage $netp $netm]} err]} {
             puts "3 error : $err"
           }
         }
    diff --git a/src/scheduler.c b/src/scheduler.c
    index 4fe83e0e..691ca26a 100644
    --- a/src/scheduler.c
    +++ b/src/scheduler.c
    @@ -2808,38 +2808,54 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
           }
         }
     
    -    /* load f [symbol|gui|noundoreset|nofullzoom]
    +    /* load [-nosymbols|-gui|-noundoreset|-nofullzoom|-keep_symbols] f
          *   Load a new file 'f'.
    -     *   'gui': ask to save modified file or warn if opening an already
    -     *   open file or opening a new(not existing) file.
    -     *   'noundoreset': do not reset the undo history
    -     *   'symbol': do not load symbols (used if loading a symbol instead of a schematic)
    -     *   'nofullzoom': do not do a full zoom on new schematic.
    -     *   'nodraw': do not draw.
    +     *   '-gui': ask to save modified file or warn if opening an already
    +     *       open file or opening a new(not existing) file.
    +     *   '-noundoreset': do not reset the undo history
    +     *   '-nosymbols': do not load symbols (used if loading a symbol instead of
    +     *       a schematic)
    +     *   '-nofullzoom': do not do a full zoom on new schematic.
    +     *   '-nodraw': do not draw.
    +     *   '-keep_symbols': retain symbols that are already loaded.
          */
         else if(!strcmp(argv[1], "load") )
         {
           int load_symbols = 1, force = 1, undo_reset = 1, nofullzoom = 0, nodraw = 0;
    +      int keep_symbols = 0;
           size_t i;
           if(!xctx) {Tcl_SetResult(interp, not_avail, TCL_STATIC); return TCL_ERROR;}
    -      if(argc > 3) {
    -        for(i = 3; i < argc; ++i) {
    -          if(!strcmp(argv[i], "symbol")) load_symbols = 0;
    -          if(!strcmp(argv[i], "gui")) force = 0;
    -          if(!strcmp(argv[i], "noundoreset")) undo_reset = 0;
    -          if(!strcmp(argv[i], "nofullzoom")) nofullzoom = 1;
    -          if(!strcmp(argv[i], "nodraw")) {nofullzoom = 1; nodraw = 1;}
    +
    +
    +      for(i = 2; i < argc; i++) {
    +        if(argv[i][0] == '-') {
    +          if(!strcmp(argv[i], "-nosymbols")) { 
    +            load_symbols = 0 ;
    +          } else if(!strcmp(argv[i], "-gui")) {
    +            force = 0;
    +          } else if(!strcmp(argv[i], "-noundoreset")) {
    +            undo_reset = 0;
    +          } else if(!strcmp(argv[i], "-nofullzoom")) {
    +            nofullzoom = 1;
    +          } else if(!strcmp(argv[i], "-nodraw")) {
    +            nofullzoom = 1; nodraw = 1;
    +          } else if(!strcmp(argv[i], "-keep_symbols")) {
    +            keep_symbols = 1;
    +          }
    +        } else {
    +          break;
             }
           }
    -      if(argc>2) {
    +
    +      if(argc>i) {
             char f[PATH_MAX + 100];
    -        my_snprintf(f, S(f),"regsub {^~/} {%s} {%s/}", argv[2], home_dir);
    +        my_snprintf(f, S(f),"regsub {^~/} {%s} {%s/}", argv[i], home_dir);
             tcleval(f);
             my_strncpy(f, tclresult(), S(f));
             if(force || !has_x || !xctx->modified  || save(1, 0) != -1 ) { /* save(1)==-1 --> user cancel */
               char win_path[WINDOW_PATH_SIZE];
               int skip = 0;
    -          dbg(1, "scheduler(): load: filename=%s\n", argv[2]);
    +          dbg(1, "scheduler(): load: filename=%s\n", argv[i]);
               my_strncpy(f,  abs_sym_path(f, ""), S(f));
               if(!force && f[0] && check_loaded(f, win_path) ) {
                 char msg[PATH_MAX + 100];
    @@ -2859,7 +2875,7 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
                 /* no implicit undo: if needed do it before loading */
                 /* if(!undo_reset) xctx->push_undo(); */
                 if(undo_reset) xctx->currsch = 0;
    -            remove_symbols();
    +            if(!keep_symbols) remove_symbols();
                 if(!nofullzoom) {
                   xctx->zoom=CADINITIALZOOM;
                   xctx->mooz=1/CADINITIALZOOM;
    @@ -3200,7 +3216,7 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
           hilight_net_pin_mismatches();
         }
     
    -    /* netlist [-noalert -messages | -erc | -nohier] [filename]
    +    /* netlist [-keep_symbols|-noalert|-messages|-erc | -nohier] [filename]
          *   do a netlist of current schematic in currently defined netlist format
          *   if 'filename'is given use specified name for the netlist
          *   if 'filename' contains path components place the file in specified path location.
    @@ -3210,9 +3226,11 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
          *   will create the netlist in different places.
          *   netlisting directory is reset to previous setting after completing this command
          *   If -messages is given return the ERC messages instead of just a fail (1)
    +     *   or no fail (0) code. 
          *   If -erc is given it means netlister is called from gui, enable show infowindow
          *   If -nohier is given netlist only current level
    -     *   or no fail (0) code. */
    +     *   If -keep_symbols is given no not purge symbols encountered traversing the
    +     *   design hierarchy */
         else if(!strcmp(argv[1], "netlist") )
         {
           char *saveshow = NULL;
    @@ -3220,6 +3238,7 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
           int hier_netlist = 1;
           int i, messages = 0;
           int alert = 1;
    +      int keep_symbols=0, save_keep;
           int erc = 0;
           const char *fname = NULL;
           const char *path;
    @@ -3236,6 +3255,8 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
                 messages = 1;
               } else if(!strcmp(argv[i], "-erc")) {
                 erc = 1;
    +          } else if(!strcmp(argv[i], "-keep_symbols")) {
    +            keep_symbols = 1;
               } else if(!strcmp(argv[i], "-noalert")) {
                 alert = 0;
               } else if(!strcmp(argv[i], "-nohier")) {
    @@ -3257,8 +3278,11 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
           }
           if(set_netlist_dir(0, NULL) ) {
             done_netlist = 1;
    +
    +        save_keep = tclgetboolvar("keep_symbols");
    +        tclsetboolvar("keep_symbols", keep_symbols);
             if(xctx->netlist_type == CAD_SPICE_NETLIST)
    -          err = global_spice_netlist(hier_netlist, alert);                  /* 1 means global netlist */
    +          err = global_spice_netlist(hier_netlist, alert);
             else if(xctx->netlist_type == CAD_VHDL_NETLIST)
               err = global_vhdl_netlist(hier_netlist, alert);
             else if(xctx->netlist_type == CAD_VERILOG_NETLIST)
    @@ -3268,6 +3292,8 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
             else
               if(has_x) tcleval("tk_messageBox -type ok -parent [xschem get topwindow] "
                                 "-message {Please Set netlisting mode (Options menu)}");
    +        tclsetboolvar("keep_symbols", save_keep);
    +
             if( (erc == 0) ) {
               my_strncpy(xctx->netlist_name, "", S(xctx->netlist_name));
             }
    @@ -5261,14 +5287,14 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
           }
           Tcl_ResetResult(interp);
         }
    -    /* setprop instance|symbol|text|rect ref tok [val] [fast]
    +    /* setprop [-fast|-fastundo] instance|symbol|text|rect ref tok [val]
          *
    -     * setprop instance inst [tok] [val] [fast]
    +     * setprop [-fast] instance inst [tok] [val]
          *   set attribute 'tok' of instance (name or number) 'inst' to value 'val'
          *   If 'tok' set to 'allprops' replace whole instance prop_str with 'val'
          *   If 'val' not given (no attribute value) delete attribute from instance
          *   If 'tok' not given clear completely instance attribute string
    -     *   If 'fast' argument if given does not redraw and is not undoable
    +     *   If '-fast' argument if given does not redraw and is not undoable
          *
          * setprop symbol name tok [val]
          *   Set attribute 'tok' of symbol name 'name' to 'val'
    @@ -5276,43 +5302,52 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
          *   This command is not very useful since changes are not saved into symbol
          *   and netlisters reload symbols, so changes are lost anyway.
          *
    -     * setprop rect lay n tok [val] [fast|fastundo]
    +     * setprop rect [-fast|-fastundo] lay n tok [val]
          *   Set attribute 'tok' of rectangle number'n' on layer 'lay'
          *   If 'val' not given (no attribute value) delete attribute from rect
    -     *   If 'fast' argument is given does not redraw and is not undoable
    -     *   If 'fastundo' s given same as above but action is undoable.
    +     *   If '-fast' argument is given does not redraw and is not undoable
    +     *   If '-fastundo' s given same as above but action is undoable.
          *
          * setprop rect 2 n fullxzoom
          * setprop rect 2 n fullyzoom
          *   These commands do full x/y zoom of graph 'n' (on layer 2, this is hardcoded).
          *
    -     * setprop text n [tok] [val] [fast|fastundo]
    +     * setprop [-fast|-fastundo] text n [tok] [val]
          *   Set attribute 'tok' of text number 'n'
          *   If 'tok' not specified set text string (txt_ptr) to value
          *   If "txt_ptr" is given as token replace the text txt_ptr ("the text")
          *   If 'val' not given (no attribute value) delete attribute from text
    -     *   If 'fast' argument is given does not redraw and is not undoable
    -     *   If 'fastundo' s given same as above but action is undoable.
    +     *   If '-fast' argument is given does not redraw and is not undoable
    +     *   If '-fastundo' is given same as above but action is undoable.
          */
         else if(!strcmp(argv[1], "setprop"))
         {
    +      int i, fast = 0, shift = 0;
           if(!xctx) {Tcl_SetResult(interp, not_avail, TCL_STATIC); return TCL_ERROR;}
    -    /*   0       1       2     3    4     5    6
    -     * xschem setprop instance R4 value [30k] [fast] */
    +
    +      for(i = 2; i < argc; i++) {
    +        if(argv[i][0] == '-') {
    +          if(!strcmp(argv[i], "-fast")) {
    +            fast = 1; shift++;
    +          } else if(!strcmp(argv[i], "-fastundo")) {
    +            fast = 3; shift++;
    +          }
    +        } else {
    +          break;
    +        }
    +      }
    +      /* remove option (-xxx) arguments and shift remaining */
    +      if(shift) for(; i < argc; i++) {
    +        argv[i - shift] = argv[i];
    +      }
    +      argc -= shift;
    +
    +
    +    /*   0       1       2     3    4     5  
    +     * xschem setprop instance R4 value [30k]  */
           if(argc > 2 && !strcmp(argv[2], "instance")) {
    -        int inst, fast=0;
    -        if(argc > 6) {
    -          if(!strcmp(argv[6], "fast")) {
    -            fast = 1;
    -            argc = 6;
    -          }
    -        }
    -        else if(argc > 5) {
    -          if(!strcmp(argv[5], "fast")) {
    -            fast = 1;
    -            argc = 5;
    -          }
    -        }
    +        int inst;
    +
             if(argc < 4) {
               Tcl_SetResult(interp, "xschem setprop instance needs 1 or more additional arguments", TCL_STATIC);
               return TCL_ERROR;
    @@ -5390,10 +5425,9 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
               my_strdup2(_ALLOC_ID_, &sym->prop_ptr, subst_token(sym->prop_ptr, argv[4], NULL)); /* delete attr */
     
           } else if(argc > 5 && !strcmp(argv[2], "rect")) {
    -      /*  0       1      2   3 4   5    6      7
    -       * xschem setprop rect c n token [value] [fast|fastundo] */
    +      /*  0       1      2   3 4   5    6     
    +       * xschem setprop rect c n token [value] */
             int change_done = 0;
    -        int fast = 0;
             xRect *r;
             int c = atoi(argv[3]);
             int n = atoi(argv[4]);
    @@ -5402,26 +5436,6 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
               return TCL_ERROR;
             }
             r = &xctx->rect[c][n];
    -        if(argc > 7) {
    -          if(!strcmp(argv[7], "fast")) {
    -            fast = 1;
    -            argc = 7;
    -          }
    -          if(!strcmp(argv[7], "fastundo")) {
    -            fast = 3;
    -            argc = 7;
    -          }
    -        }
    -        else if(argc > 6) {
    -          if(!strcmp(argv[6], "fast")) {
    -            fast = 1;
    -            argc = 6;
    -          }
    -          if(!strcmp(argv[6], "fastundo")) {
    -            fast = 3;
    -            argc = 6;
    -          }
    -        }
             if(!fast) {
               bbox(START,0.0,0.0,0.0,0.0);
             }
    @@ -5480,7 +5494,7 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
            * xschem setprop text n [token] value [fast|fastundo]
            * if "txt_ptr" is given as token replace the text txt_ptr ("the text") */
             int change_done = 0;
    -        int argc_copy, i, tmp, fast = 0;
    +        int tmp;
             double xx1, xx2, yy1, yy2, dtmp;
             xText *t;
             int n = atoi(argv[3]);
    @@ -5490,17 +5504,6 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
             }
             t = &xctx->text[n];
     
    -        argc_copy = argc;
    -        for(i = 5; i < argc_copy; i++) {
    -          if(!strcmp(argv[i], "fast")) {
    -            fast = 1;
    -            argc--;
    -          }
    -          if(!strcmp(argv[i], "fastundo")) {
    -            fast = 3;
    -            argc--;
    -          }
    -        }
             if(!fast) {
               bbox(START,0.0,0.0,0.0,0.0);
             }
    diff --git a/src/token.c b/src/token.c
    index 19968d29..d326377e 100644
    --- a/src/token.c
    +++ b/src/token.c
    @@ -1189,8 +1189,7 @@ const char *subst_token(const char *s, const char *tok, const char *new_val)
     /* given a string  with multiple "token=value ..." assignments */
     /* substitute 's value with  */
     /* if tok not found in s and new_val!=NULL add tok=new_val at end.*/
    -/* if new_val is empty ('\0') set token value to "" (token="") */
    -/* if new_val is NULL *remove* 'token (and =val if any)' from s */
    +/* if new_val is NULL *OR* empty *remove* 'token (and =val if any)' from s */
     /* return the updated string */
     {
       static char *result=NULL;
    @@ -1225,8 +1224,11 @@ const char *subst_token(const char *s, const char *tok, const char *new_val)
           new_val_copy = my_malloc(_ALLOC_ID_, new_val_len+3);
           my_snprintf(new_val_copy, new_val_len+3, "\"%s\"", new_val);
         }
    -    else my_strdup(_ALLOC_ID_, &new_val_copy, new_val);
    +    else my_strdup(_ALLOC_ID_, &new_val_copy, new_val); /* new_val_copy is NULL if new_val empty */
       } else new_val_copy = NULL;
    +
    +  /* if new_val is NULL or empty new_val_copy will be NULL */
    +
       dbg(1, "subst_token(): %s, %s, %s\n", s ? s : "", tok ? tok : "", new_val ? new_val : "");
       sizetok = size = CADCHUNKALLOC;
       my_realloc(_ALLOC_ID_, &result, size);
    diff --git a/src/xschem.tcl b/src/xschem.tcl
    index 366b12fb..c5b332b1 100644
    --- a/src/xschem.tcl
    +++ b/src/xschem.tcl
    @@ -1189,7 +1189,7 @@ proc setup_recent_menu { { topwin {} } } {
       if { [info exists recentfile] } {
         foreach i $recentfile {
           $topwin.menubar.file.recent add command \
    -        -command "xschem load {$i} gui" \
    +        -command "xschem load -gui {$i}" \
             -label [file tail $i]
         }
       }
    @@ -1804,14 +1804,19 @@ proc cellview_setlabels {w symbol derived_symbol} {
       puts ===============
       if {$sym_sch ne $new_sch && $sym_spice_sym_def eq {}} {
         puts "Changing schematic attribute in symbol"
    -    xschem load $symbol noundoreset nodraw
    +    xschem load -keep_symbols -nodraw -noundoreset $symbol
         set oldprop [xschem get schsymbolprop]
    -    set newprop [xschem subst_tok $oldprop schematic $new_sch]
    +    if { $new_sch eq $default_sch } {
    +      set newprop [xschem subst_tok $oldprop schematic {}] ;# delete schematic attr in symbol
    +    } else {
    +      set newprop [xschem subst_tok $oldprop schematic $new_sch]
    +    }
         xschem set schsymbolprop $newprop
         xschem set_modify 3 ;# set only modified flag to force a save, do not update window/tab titles
         xschem save fast
    -    xschem load $current noundoreset nodraw
    -    xschem reload_symbols ;# update in-memory symbol data
    +    xschem remove_symbols ;# purge all symbols to force a reload from disk 
    +    xschem load -keep_symbols -nodraw -noundoreset $current
    +    xschem netlist -keep_symbols -noalert;# traverse the hierarchy and retain all encountered symbols
       }
       puts sym_sch=$sym_sch
       puts default_sch=$default_sch
    @@ -1833,14 +1838,14 @@ proc cellview_edit_item {symbol w} {
         set old_sym_def [xschem getprop symbol $symbol spice_sym_def 2]
         set new_sym_def [editdata $sym_spice_sym_def {Symbol spice_sym_def attribute}]
         if {$new_sym_def ne $old_sym_def} {
    -      xschem load $symbol noundoreset nodraw
    +      xschem load -keep_symbols -nodraw -noundoreset $symbol
           set oldprop [xschem get schsymbolprop]
           set newprop [xschem subst_tok $oldprop spice_sym_def $new_sym_def]
           xschem set schsymbolprop $newprop
           xschem set_modify 3 ;# set only modified flag to force a save, do not update window/tab titles
           xschem save fast
           puts "$symbol: updated spice_sym_def attribute"
    -      xschem load $current noundoreset nodraw
    +      xschem load -keep_symbols -nodraw -noundoreset $current
           xschem reload_symbols ;# update in-memory symbol data
         }
       }
    @@ -1879,10 +1884,7 @@ proc cellview {{derived_symbols {}}} {
       }
       toplevel .cv
       xschem reload_symbols ;# purge unused symbols
    -  set save_keep $keep_symbols
    -  set keep_symbols 1 ;# keep all symbols when doing a hierarchic netlist
    -  xschem netlist -noalert;# traverse the hierarchy and retain all encountered symbols
    -  set keep_symbols $save_keep
    +  xschem netlist -keep_symbols -noalert;# traverse the hierarchy and retain all encountered symbols
       wm geometry .cv 800x200
       update
       raise .cv
    @@ -1993,17 +1995,17 @@ proc traversal_setlabels {w parent_sch instname inst_sch sym_sch default_sch ins
         # puts "traversal_update_schematic: $w parent: $parent_sch $instname def: $sym_sch $inst_sch --> [$w get]"
         if { $inst_sch ne [$w get] } {
           puts "update attr"
    -      xschem load $parent_sch noundoreset nodraw
    +      xschem load -undoreset -nodraw $parent_sch 
           if { [$w get] eq  $sym_sch} {
    -        xschem setprop instance $instname schematic fast ;# remove schematic attr on instance
    +        xschem setprop -fast instance $instname schematic  ;# remove schematic attr on instance
           } else {
    -        xschem setprop instance $instname schematic [$w get] fast ;# set schematic attr on instance
    +        xschem setprop -fast instance $instname schematic [$w get]  ;# set schematic attr on instance
           } 
           xschem set_modify 3 ;# set only modified flag to force a save, do not update window/tab titles
           xschem save fast
           set inst_sch [$w get]
           # puts "inst_sch set to: $inst_sch"
    -      xschem load $current  noundoreset nodraw
    +      xschem load -undoreset -nodraw $current
       
           bind $w  "
             traversal_setlabels $w [list $parent_sch] [list $instname] [list $inst_sch] [list $sym_sch] \
    @@ -2724,7 +2726,7 @@ proc graph_edit_wave {n n_wave} {
       # remove excess colors
       set col [lrange $col 0 [expr {$i - 1}]]
       set graph_sel_color [lindex $col $graph_sel_wave]
    -  xschem setprop rect 2 $graph_selected color $col fast
    +  xschem setprop -fast rect 2 $graph_selected color $col 
       xschem draw_graph  $graph_selected
       toplevel .graphdialog -class Dialog
       wm transient .graphdialog [xschem get topwindow]
    @@ -2806,10 +2808,10 @@ proc graph_add_nodes_from_list {nodelist} {
           .graphdialog.center.right.text1 insert end $sel
           if { [xschem get schname] eq $graph_schname } {
             set node [string trim [.graphdialog.center.right.text1 get 1.0 {end - 1 chars}] " \n"]
    -        xschem setprop rect 2 $graph_selected color $col fastundo
    +        xschem setprop -fastundo rect 2 $graph_selected color $col
             graph_update_nodelist
             regsub -all {[\\"]} $node {\\&} node_quoted
    -        xschem setprop rect 2 $graph_selected node $node_quoted fast
    +        xschem setprop -fast rect 2 $graph_selected node $node_quoted
             xschem draw_graph $graph_selected
           }
         }
    @@ -2836,13 +2838,13 @@ proc graph_add_nodes_from_list {nodelist} {
         }
     
         if {$change_done} {
    -      xschem setprop rect 2 [xschem get graph_lastsel] color $col fastundo
    +      xschem setprop -fastundo rect 2 [xschem get graph_lastsel] color $col
           if {[string length $nnn] > 0 && ![regexp "\n$" $nnn]} {
             append nnn "\n"
           } 
           append nnn $sel
           regsub -all {[\\"]} $nnn {\\&} node_quoted
    -      xschem setprop rect 2 [xschem get graph_lastsel] node $node_quoted fast
    +      xschem setprop -fast rect 2 [xschem get graph_lastsel] node $node_quoted
           xschem draw_graph [xschem get graph_lastsel]
         }
       }
    @@ -2945,7 +2947,7 @@ proc graph_change_wave_color {{wave {}}} {
               set index [string range $tag 1 end]
               set col  [xschem getprop rect 2 $graph_selected color]
               set col [lreplace $col $index $index  $graph_sel_color]
    -          xschem setprop rect 2 $graph_selected color $col fast
    +          xschem setprop -fast rect 2 $graph_selected color $col 
             }
           }
           graph_update_nodelist
    @@ -2957,7 +2959,7 @@ proc graph_change_wave_color {{wave {}}} {
             set index [string range $tag 1 end]
             set col  [xschem getprop rect 2 $graph_selected color]
             set col [lreplace $col $index $index  $graph_sel_color]
    -        xschem setprop rect 2 $graph_selected color $col fast
    +        xschem setprop -fast rect 2 $graph_selected color $col 
             graph_update_nodelist
             xschem draw_graph $graph_selected
           }
    @@ -2966,7 +2968,7 @@ proc graph_change_wave_color {{wave {}}} {
       } else {
         set col  [xschem getprop rect 2 $graph_selected color]
         set col [lreplace $col $wave $wave  $graph_sel_color]
    -    xschem setprop rect 2 $graph_selected color $col fast
    +    xschem setprop -fast rect 2 $graph_selected color $col 
         xschem draw_graph $graph_selected
       }
     }
    @@ -3023,7 +3025,7 @@ proc graph_tag_nodes {txt} {
         } else {
           set col {}
         }
    -    xschem setprop rect 2 $graph_selected color $col fast
    +    xschem setprop -fast rect 2 $graph_selected color $col 
       }
       return [list $tt $cc] 
     }
    @@ -3078,7 +3080,7 @@ proc graph_update_node {node} {
       # note the double escaping for regsub replace string
       regsub -all {[\\"]} $node {\\&} node_quoted
       graph_push_undo
    -  xschem setprop rect 2 $graph_selected node $node_quoted fast
    +  xschem setprop -fast rect 2 $graph_selected node $node_quoted 
       xschem draw_graph $graph_selected
     }
     
    @@ -3139,13 +3141,13 @@ proc set_rect_flags {graph_selected} {
           } else {
             set unlocked {}
           }
    -      xschem setprop rect 2 $graph_selected flags "graph$unlocked$private_cursor" fast
    +      xschem setprop -fast rect 2 $graph_selected flags "graph$unlocked$private_cursor" 
       }
     
     proc graphdialog_set_raw_props {} {
       global graph_selected
    -  xschem setprop rect 2 $graph_selected rawfile [.graphdialog.center.right.rawentry get] fast
    -  xschem setprop rect 2 $graph_selected sim_type [.graphdialog.center.right.list get] fast
    +  xschem setprop -fast rect 2 $graph_selected rawfile [.graphdialog.center.right.rawentry get] 
    +  xschem setprop -fast rect 2 $graph_selected sim_type [.graphdialog.center.right.list get] 
       graph_fill_listbox
     }
     
    @@ -3239,9 +3241,9 @@ proc graph_edit_properties {n} {
       checkbutton .graphdialog.center.right.autoload -text {Auto load}  -variable graph_autoload \
         -command {
           if {$graph_autoload} {
    -        xschem setprop rect 2 $graph_selected autoload 1 fast
    +        xschem setprop -fast rect 2 $graph_selected autoload 1 
           } else {
    -        xschem setprop rect 2 $graph_selected autoload 0 fast
    +        xschem setprop -fast rect 2 $graph_selected autoload 0 
           } 
         } 
       label .graphdialog.center.right.lab2 -text {    Sim type:}
    @@ -3254,7 +3256,7 @@ proc graph_edit_properties {n} {
       }
       if { [info tclversion] > 8.4} {
         bind .graphdialog.center.right.list <> {
    -      xschem setprop rect 2 $graph_selected sim_type [.graphdialog.center.right.list get] fast
    +      xschem setprop -fast rect 2 $graph_selected sim_type [.graphdialog.center.right.list get] 
           graph_fill_listbox
         }
         if { [xschem getprop rect 2 $graph_selected sim_type 2] ne {}} {
    @@ -3272,7 +3274,7 @@ proc graph_edit_properties {n} {
       }
     
       bind .graphdialog.center.right.list  {
    -    xschem setprop rect 2 $graph_selected sim_type [.graphdialog.center.right.list get] fast
    +    xschem setprop -fast rect 2 $graph_selected sim_type [.graphdialog.center.right.list get] 
         graph_fill_listbox
       }
     
    @@ -3325,10 +3327,10 @@ proc graph_edit_properties {n} {
         if { [xschem get schname] eq $graph_schname } {
           graph_push_undo
           graph_update_node [string trim [.graphdialog.center.right.text1 get 1.0 {end - 1 chars}] " \n"]
    -      xschem setprop rect 2 $graph_selected x1 [.graphdialog.top3.xmin get] fast
    -      xschem setprop rect 2 $graph_selected x2 [.graphdialog.top3.xmax get] fast
    -      xschem setprop rect 2 $graph_selected y1 [.graphdialog.top3.ymin get] fast
    -      xschem setprop rect 2 $graph_selected y2 [.graphdialog.top3.ymax get] fast
    +      xschem setprop -fast rect 2 $graph_selected x1 [.graphdialog.top3.xmin get] 
    +      xschem setprop -fast rect 2 $graph_selected x2 [.graphdialog.top3.xmax get] 
    +      xschem setprop -fast rect 2 $graph_selected y1 [.graphdialog.top3.ymin get] 
    +      xschem setprop -fast rect 2 $graph_selected y2 [.graphdialog.top3.ymax get] 
           set_rect_flags $graph_selected
         }
         set graph_dialog_default_geometry [winfo geometry .graphdialog]
    @@ -3340,10 +3342,10 @@ proc graph_edit_properties {n} {
         if { [xschem get schname] eq $graph_schname } {
           graph_push_undo
           graph_update_node [string trim [.graphdialog.center.right.text1 get 1.0 {end - 1 chars}] " \n"]
    -      xschem setprop rect 2 $graph_selected x1 [.graphdialog.top3.xmin get] fast
    -      xschem setprop rect 2 $graph_selected x2 [.graphdialog.top3.xmax get] fast
    -      xschem setprop rect 2 $graph_selected y1 [.graphdialog.top3.ymin get] fast
    -      xschem setprop rect 2 $graph_selected y2 [.graphdialog.top3.ymax get] fast
    +      xschem setprop -fast rect 2 $graph_selected x1 [.graphdialog.top3.xmin get] 
    +      xschem setprop -fast rect 2 $graph_selected x2 [.graphdialog.top3.xmax get] 
    +      xschem setprop -fast rect 2 $graph_selected y1 [.graphdialog.top3.ymin get] 
    +      xschem setprop -fast rect 2 $graph_selected y2 [.graphdialog.top3.ymax get] 
           set_rect_flags $graph_selected
         }
       }
    @@ -3364,7 +3366,7 @@ proc graph_edit_properties {n} {
         -command {
            if { [xschem get schname] eq $graph_schname } {
              graph_push_undo
    -         xschem setprop rect 2 $graph_selected legend $graph_legend fast
    +         xschem setprop -fast rect 2 $graph_selected legend $graph_legend 
              xschem draw_graph $graph_selected
            }
          }
    @@ -3497,7 +3499,7 @@ proc graph_edit_properties {n} {
         -command {
            if { [xschem get schname] eq $graph_schname } {
              graph_push_undo
    -         xschem setprop rect 2 $graph_selected rainbow $graph_rainbow fast
    +         xschem setprop -fast rect 2 $graph_selected rainbow $graph_rainbow 
              xschem draw_graph $graph_selected
            }
          }
    @@ -3535,7 +3537,7 @@ proc graph_edit_properties {n} {
         -command {
            if { [xschem get schname] eq $graph_schname } {
              graph_push_undo
    -         xschem setprop rect 2 $graph_selected digital $graph_digital fast
    +         xschem setprop -fast rect 2 $graph_selected digital $graph_digital 
              xschem draw_graph $graph_selected
            }
          }
    @@ -3623,17 +3625,17 @@ proc graph_edit_properties {n} {
          -command {
            if { [xschem get schname] eq $graph_schname } {
              graph_push_undo
    -         xschem setprop rect 2 $graph_selected logx $graph_logx fast
    +         xschem setprop -fast rect 2 $graph_selected logx $graph_logx 
              if { $graph_logx eq 1} {
                graph_push_undo
    -           xschem setprop rect 2 $graph_selected subdivx 8 fast
    +           xschem setprop -fast rect 2 $graph_selected subdivx 8 
                .graphdialog.top2.subdivx delete 0 end
                .graphdialog.top2.subdivx insert 0 8
                xschem setprop rect 2 $graph_selected fullxzoom
                xschem setprop rect 2 $graph_selected fullyzoom
              } else {
                graph_push_undo
    -           xschem setprop rect 2 $graph_selected subdivx 4 fast
    +           xschem setprop -fast rect 2 $graph_selected subdivx 4 
                .graphdialog.top2.subdivx delete 0 end
                .graphdialog.top2.subdivx insert 0 4
                xschem setprop rect 2 $graph_selected fullxzoom
    @@ -3647,16 +3649,16 @@ proc graph_edit_properties {n} {
          -command {
            if { [xschem get schname] eq $graph_schname } {
              graph_push_undo
    -         xschem setprop rect 2 $graph_selected logy $graph_logy fast
    +         xschem setprop -fast rect 2 $graph_selected logy $graph_logy 
              if { $graph_logy eq 1} {
                graph_push_undo
    -           xschem setprop rect 2 $graph_selected subdivy 8 fast
    +           xschem setprop -fast rect 2 $graph_selected subdivy 8 
                .graphdialog.top2.subdivy delete 0 end
                .graphdialog.top2.subdivy insert 0 8
                xschem setprop rect 2 $graph_selected fullyzoom
              } else {
                graph_push_undo
    -           xschem setprop rect 2 $graph_selected subdivy 4 fast
    +           xschem setprop -fast rect 2 $graph_selected subdivy 4 
                .graphdialog.top2.subdivy delete 0 end
                .graphdialog.top2.subdivy insert 0 4
                xschem setprop rect 2 $graph_selected fullyzoom
    @@ -6650,7 +6652,7 @@ proc swap_compare_schematics {} {
       }
       puts "swap_compare_schematics:\n  sch1=$sch1\n  sch2=$sch2"
       if {$sch2 ne {}} {
    -    xschem load $sch2 nofullzoom gui
    +    xschem load -nofullzoom -gui $sch2
         set current  [xschem get schname]
         # Use "file tail" to handle equality of
         # https://raw.githubusercon...tb_reram.sch and /tmp/xschem_web/tb_reram.sch
    @@ -8103,7 +8105,7 @@ proc build_widgets { {topwin {} } } {
         }
       $topwin.menubar.file add command -label "Open" -command "xschem load" -accelerator {Ctrl+O}
       $topwin.menubar.file add command -label "Open Most Recent" \
    -    -command {xschem load [lindex "$recentfile" 0] gui} -accelerator {Ctrl+Shift+O}
    +    -command {xschem load -gui [lindex "$recentfile" 0]} -accelerator {Ctrl+Shift+O}
       $topwin.menubar.file add cascade -label "Open recent" -menu $topwin.menubar.file.recent
       menu $topwin.menubar.file.recent -tearoff 0
       setup_recent_menu $topwin