diff options
Diffstat (limited to 'ext/dl/callback/mkcallback.rb')
| -rw-r--r-- | ext/dl/callback/mkcallback.rb | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/ext/dl/callback/mkcallback.rb b/ext/dl/callback/mkcallback.rb deleted file mode 100644 index d2f9e3f2e1..0000000000 --- a/ext/dl/callback/mkcallback.rb +++ /dev/null @@ -1,238 +0,0 @@ -#!ruby -s -$output ||= "callback" -$out = open("#{$output}.c", "w") - -$dl_h = ARGV[0] || "dl.h" - -# import DLSTACK_SIZE, DLSTACK_ARGS and so on -File.open($dl_h){|f| - pre = "" - f.each{|line| - line.chop! - if( line[-1] == ?\\ ) - line.chop! - line.concat(" ") - pre += line - next - end - if( pre.size > 0 ) - line = pre + line - pre = "" - end - case line - when /#define\s+DLSTACK_SIZE\s+\(?(\d+)\)?/ - DLSTACK_SIZE = $1.to_i - when /#define\s+DLSTACK_ARGS\s+(.+)/ - DLSTACK_ARGS = $1.to_i - when /#define\s+DLTYPE_([A-Z_]+)\s+\(?(\d+)\)?/ - eval("#{$1} = #{$2}") - when /#define\s+MAX_DLTYPE\s+\(?(\d+)\)?/ - MAX_DLTYPE = $1.to_i - when /#define\s+MAX_CALLBACK\s+\(?(\d+)\)?/ - MAX_CALLBACK = $1.to_i - end - } -} - -CDECL = "cdecl" -STDCALL = "stdcall" - -CALLTYPES = [CDECL, STDCALL] - -DLTYPE = { - VOID => { - :name => 'void', - :type => 'void', - :conv => nil, - }, - CHAR => { - :name => 'char', - :type => 'char', - :conv => 'NUM2CHR(%s)' - }, - SHORT => { - :name => 'short', - :type => 'short', - :conv => 'NUM2INT(%s)', - }, - INT => { - :name => 'int', - :type => 'int', - :conv => 'NUM2INT(%s)', - }, - LONG => { - :name => 'long', - :type => 'long', - :conv => 'NUM2LONG(%s)', - }, - LONG_LONG => { - :name => 'long_long', - :type => 'LONG_LONG', - :conv => 'NUM2LL(%s)', - }, - FLOAT => { - :name => 'float', - :type => 'float', - :conv => '(float)RFLOAT_VALUE(%s)', - }, - DOUBLE => { - :name => 'double', - :type => 'double', - :conv => 'RFLOAT_VALUE(%s)', - }, - VOIDP => { - :name => 'ptr', - :type => 'void *', - :conv => 'NUM2PTR(%s)', - }, -} - - -def func_name(ty, argc, n, calltype) - "rb_dl_callback_#{DLTYPE[ty][:name]}_#{argc}_#{n}_#{calltype}" -end - -$out << (<<EOS) -#include "ruby.h" - -VALUE rb_DLCdeclCallbackAddrs, rb_DLCdeclCallbackProcs; -#ifdef FUNC_STDCALL -VALUE rb_DLStdcallCallbackAddrs, rb_DLStdcallCallbackProcs; -#endif -/*static void *cdecl_callbacks[MAX_DLTYPE][MAX_CALLBACK];*/ -#ifdef FUNC_STDCALL -/*static void *stdcall_callbacks[MAX_DLTYPE][MAX_CALLBACK];*/ -#endif -ID rb_dl_cb_call; -EOS - -def foreach_proc_entry - for calltype in CALLTYPES - case calltype - when CDECL - proc_entry = "rb_DLCdeclCallbackProcs" - when STDCALL - proc_entry = "rb_DLStdcallCallbackProcs" - else - raise "unknown calltype: #{calltype}" - end - yield calltype, proc_entry - end -end - -def gencallback(ty, calltype, proc_entry, argc, n) - <<-EOS -#{calltype == STDCALL ? "\n#ifdef FUNC_STDCALL" : ""} -static #{DLTYPE[ty][:type]} -FUNC_#{calltype.upcase}(#{func_name(ty,argc,n,calltype)})(#{(0...argc).collect{|i| "DLSTACK_TYPE stack" + i.to_s}.join(", ")}) -{ - VALUE ret, cb#{argc > 0 ? ", args[#{argc}]" : ""}; -#{ - (0...argc).collect{|i| - " args[%d] = LONG2NUM(stack%d);" % [i,i] - }.join("\n") -} - cb = rb_ary_entry(rb_ary_entry(#{proc_entry}, #{ty}), #{(n * DLSTACK_SIZE) + argc}); - ret = rb_funcall2(cb, rb_dl_cb_call, #{argc}, #{argc > 0 ? 'args' : 'NULL'}); - return #{DLTYPE[ty][:conv] ? DLTYPE[ty][:conv] % "ret" : ""}; -} -#{calltype == STDCALL ? "#endif\n" : ""} - EOS -end - -def gen_push_proc_ary(ty, aryname) - sprintf(" rb_ary_push(#{aryname}, rb_ary_new3(%d,%s));", - MAX_CALLBACK * DLSTACK_SIZE, - (0...MAX_CALLBACK).collect{ - (0...DLSTACK_SIZE).collect{ "Qnil" }.join(",") - }.join(",")) -end - -def gen_push_addr_ary(ty, aryname, calltype) - sprintf(" rb_ary_push(#{aryname}, rb_ary_new3(%d,%s));", - MAX_CALLBACK * DLSTACK_SIZE, - (0...MAX_CALLBACK).collect{|i| - (0...DLSTACK_SIZE).collect{|argc| - "PTR2NUM(%s)" % func_name(ty,argc,i,calltype) - }.join(",") - }.join(",")) -end - -def gen_callback_file(ty) - filename = "#{$output}-#{ty}.c" - initname = "rb_dl_init_callbacks_#{ty}" - body = <<-EOS -#include "dl.h" - -extern VALUE rb_DLCdeclCallbackAddrs, rb_DLCdeclCallbackProcs; -#ifdef FUNC_STDCALL -extern VALUE rb_DLStdcallCallbackAddrs, rb_DLStdcallCallbackProcs; -#endif -extern ID rb_dl_cb_call; - EOS - yield body - body << <<-EOS -void -#{initname}() -{ -#{gen_push_proc_ary(ty, "rb_DLCdeclCallbackProcs")} -#{gen_push_addr_ary(ty, "rb_DLCdeclCallbackAddrs", CDECL)} -#ifdef FUNC_STDCALL -#{gen_push_proc_ary(ty, "rb_DLStdcallCallbackProcs")} -#{gen_push_addr_ary(ty, "rb_DLStdcallCallbackAddrs", STDCALL)} -#endif -} - EOS - [filename, initname, body] -end - -callbacks = [] -for ty in 0...MAX_DLTYPE - filename, initname, body = gen_callback_file(ty) {|f| - foreach_proc_entry do |calltype, proc_entry| - for argc in 0...DLSTACK_SIZE - for n in 0...MAX_CALLBACK - f << gencallback(ty, calltype, proc_entry, argc, n) - end - end - end - } - $out << "void #{initname}();\n" - callbacks << [filename, body] -end - -$out << (<<EOS) -void -Init_callback(void) -{ - VALUE tmp; - VALUE rb_mDL = rb_path2class("DL"); - - rb_dl_cb_call = rb_intern("call"); - - tmp = rb_DLCdeclCallbackProcs = rb_ary_new(); - rb_define_const(rb_mDL, "CdeclCallbackProcs", tmp); - - tmp = rb_DLCdeclCallbackAddrs = rb_ary_new(); - rb_define_const(rb_mDL, "CdeclCallbackAddrs", tmp); - -#ifdef FUNC_STDCALL - tmp = rb_DLStdcallCallbackProcs = rb_ary_new(); - rb_define_const(rb_mDL, "StdcallCallbackProcs", tmp); - - tmp = rb_DLStdcallCallbackAddrs = rb_ary_new(); - rb_define_const(rb_mDL, "StdcallCallbackAddrs", tmp); -#endif - -#{ - (0...MAX_DLTYPE).collect{|ty| - " rb_dl_init_callbacks_#{ty}();" - }.join("\n") -} -} -EOS -$out.close - -for filename, body in callbacks - open(filename, "wb") {|f| f.puts body} -end |