diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-03-03 06:40:40 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-03-03 06:40:40 +0000 |
commit | 1001173ccd68f728d28cf7fb8752326bc3ddf3eb (patch) | |
tree | 49bf7963d93ebb19a412d74edc7d78d119a8c62f /ext/dl/callback | |
parent | 2233d34b39c491d3930ad3a5e970200b6d43c32d (diff) | |
download | ruby-1001173ccd68f728d28cf7fb8752326bc3ddf3eb.tar.gz |
* ext/dl/dl.c (rb_dl_init_callbacks): autoloads callbacks.
* ext/dl/callback: split from dl.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22722 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/dl/callback')
-rw-r--r-- | ext/dl/callback/depend | 18 | ||||
-rw-r--r-- | ext/dl/callback/extconf.rb | 15 | ||||
-rw-r--r-- | ext/dl/callback/mkcallback.rb | 231 |
3 files changed, 264 insertions, 0 deletions
diff --git a/ext/dl/callback/depend b/ext/dl/callback/depend new file mode 100644 index 0000000000..aeca53f0cc --- /dev/null +++ b/ext/dl/callback/depend @@ -0,0 +1,18 @@ +callback.o: $(hdrdir)/ruby.h $(hdrdir)/io.h + +callback-0.o: callback-0.c $(hdrdir)/ruby.h +callback-1.o: callback-1.c $(hdrdir)/ruby.h +callback-2.o: callback-2.c $(hdrdir)/ruby.h +callback-3.o: callback-3.c $(hdrdir)/ruby.h +callback-4.o: callback-4.c $(hdrdir)/ruby.h +callback-5.o: callback-5.c $(hdrdir)/ruby.h +callback-6.o: callback-6.c $(hdrdir)/ruby.h +callback-7.o: callback-7.c $(hdrdir)/ruby.h +callback-8.o: callback-8.c $(hdrdir)/ruby.h + +callback-0.c callback-1.c callback-2.c \ +callback-3.c callback-4.c callback-5.c \ +callback-6.c callback-7.c callback-8.c \ +callback.c: $(srcdir)/mkcallback.rb $(srcdir)/../dl.h + @echo "generating callback.h" + @$(RUBY) $(srcdir)/mkcallback.rb $(srcdir)/../dl.h diff --git a/ext/dl/callback/extconf.rb b/ext/dl/callback/extconf.rb new file mode 100644 index 0000000000..46aba28397 --- /dev/null +++ b/ext/dl/callback/extconf.rb @@ -0,0 +1,15 @@ +require 'mkmf' + +if compiled?("dl") + CALLBACKS = (0..8).map{|i| "callback-#{i}"} + CALLBACK_SRCS = CALLBACKS.map{|basename| "#{basename}.c"} + CALLBACK_OBJS = CALLBACKS.map{|basename| "#{basename}.o"} + + $distcleanfiles += [ "callback.h", *CALLBACK_SRCS ] + + $objs = %w[ callback.o ] + CALLBACK_OBJS + + $INCFLAGS << " -I$(srcdir)/.." + + create_makefile("dl/callback") +end diff --git a/ext/dl/callback/mkcallback.rb b/ext/dl/callback/mkcallback.rb new file mode 100644 index 0000000000..a210a686e1 --- /dev/null +++ b/ext/dl/callback/mkcallback.rb @@ -0,0 +1,231 @@ +$out = open("callback.c", "w") + +$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 = $1.to_i + end + } +} + +CDECL = "cdecl" +STDCALL = "stdcall" + +CALLTYPES = [CDECL, STDCALL] + +DLTYPE = { + VOID => { + :name => 'void', + :type => 'void', + :conv => nil, + }, + CHAR => { + :name => 'char', + :type => 'char', + :conv => 'NUM2CHR(%s)' + }, + SHORT => { + :name => 'short', + :type => 'short', + :conv => 'NUM2INT(%s)', + }, + INT => { + :name => 'int', + :type => 'int', + :conv => 'NUM2INT(%s)', + }, + LONG => { + :name => 'long', + :type => 'long', + :conv => 'NUM2LONG(%s)', + }, + LONG_LONG => { + :name => 'long_long', + :type => 'LONG_LONG', + :conv => 'NUM2LL(%s)', + }, + FLOAT => { + :name => 'float', + :type => 'float', + :conv => 'RFLOAT_VALUE(%s)', + }, + DOUBLE => { + :name => 'double', + :type => 'double', + :conv => 'RFLOAT_VALUE(%s)', + }, + VOIDP => { + :name => 'ptr', + :type => 'void *', + :conv => 'NUM2PTR(%s)', + }, +} + + +def func_name(ty, argc, n, calltype) + "rb_dl_callback_#{DLTYPE[ty][:name]}_#{argc}_#{n}_#{calltype}" +end + +$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 = "callback-#{ty}.c" + initname = "rb_dl_init_callbacks_#{ty}" + open(filename, "w") {|f| + f.puts <<-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 f + f.puts <<-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 + } + initname +end + +for ty in 0...MAX_DLTYPE + initname = 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 + } + $out << "void #{initname}();\n" +end + +$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 |