ref: da7d6df6faf18e289fe0f3f61524dcc7fddeef18
dir: /appl/cmd/tclsh.b/
implement Tclsh; include "sys.m"; sys: Sys; include "draw.m"; include "bufio.m"; bufmod : Bufio; Iobuf : import bufmod; include "tk.m"; include "../lib/tcl.m"; tcl : Tcl_Core; Tclsh: module { init: fn(ctxt: ref Draw->Context, argv: list of string); }; init(ctxt: ref Draw->Context, argv : list of string){ sys=load Sys Sys->PATH; tcl=load Tcl_Core Tcl_Core->PATH; if (tcl==nil){ sys->print("Cannot load Tcl (%r)\n"); exit; } bufmod=load Bufio Bufio->PATH; if (bufmod==nil){ sys->print("Cannot load Bufio (%r)\n"); exit; } lines:=chan of string; tcl->init(ctxt,argv); new_inp := "tcl%"; spawn tcl->grab_lines(nil,nil,lines); for(;;){ alt{ line := <-lines => line = tcl->prepass(line); msg:= tcl->evalcmd(line,0); if (msg!=nil) sys->print("%s\n",msg); sys->print("%s ", new_inp); tcl->clear_error(); } } }