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-rwxr-xr-xext/dl/callback/mkcallback.rb247
1 files changed, 0 insertions, 247 deletions
diff --git a/ext/dl/callback/mkcallback.rb b/ext/dl/callback/mkcallback.rb
deleted file mode 100755
index 15802f5..0000000
--- a/ext/dl/callback/mkcallback.rb
+++ /dev/null
@@ -1,247 +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)
- dltype = DLTYPE[ty]
- ret = dltype[:conv]
- if argc == 0
- args = "void"
- else
- args = (0...argc).collect{|i| "DLSTACK_TYPE stack#{i}"}.join(", ")
- end
- src = <<-EOS
-#{calltype == STDCALL ? "\n#ifdef FUNC_STDCALL" : ""}
-static #{dltype[:type]}
-FUNC_#{calltype.upcase}(#{func_name(ty,argc,n,calltype)})(#{args})
-{
- VALUE #{ret ? "ret, " : ""}cb#{argc > 0 ? ", args[#{argc}]" : ""};
-#{
- (0...argc).collect{|i|
- "\n args[#{i}] = PTR2NUM(stack#{i});"
- }.join("")
-}
- cb = rb_ary_entry(rb_ary_entry(#{proc_entry}, #{ty}), #{(n * DLSTACK_SIZE) + argc});
- #{ret ? "ret = " : ""}rb_funcall2(cb, rb_dl_cb_call, #{argc}, #{argc > 0 ? 'args' : 'NULL'});
- EOS
- src << " return #{ret % "ret"};\n" if ret
- src << <<-EOS
-}
-#{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}(void)
-{
-#{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
- }
- $out << "void #{initname}(void);\n"
- callbacks << [filename, body]
-end
-
-$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