Auto-generate helix-runtime.def

ruby/.gitignore

@@ -4,6 +4,7 @@
 /_yardoc/
 /coverage/
 /doc/
+/ext/helix_runtime/native/native.def
 /pkg/
 /spec/reports/
 /spec/support/dummy/lib

ruby/Rakefile

@@ -21,7 +21,7 @@ if RUBY_PLATFORM =~ /mingw/
     # Windows looks for a .dll in PATH
     cp "#{__dir__}/lib/helix_runtime/native.so", "#{__dir__}/windows_build/helix-runtime.dll"
   end
-  CLOBBER.include("windows_build")
+  CLOBBER.include("ext/helix_runtime/native/native.def", "windows_build")
 end
 
 Rake::ExtensionTask.new do |ext|

ruby/ext/helix_runtime/native/extconf.rb

@@ -1,2 +1,22 @@
 require "mkmf"
+
+if RUBY_PLATFORM =~ /mingw/
+  # Hackish way to pull exported methods out of the header
+  header_path = File.expand_path("../helix_runtime.h", __FILE__)
+
+  exports = []
+  File.readlines(header_path).each do |line|
+    if line =~ /^\w.+(HELIX_[\w_]+)[;\(]/
+      exports << $1
+    end
+  end
+
+  File.open(File.expand_path("../native.def", __FILE__), 'w') do |f|
+    f.puts "LIBRARY helix-runtime"
+    f.puts "EXPORTS"
+    f.puts exports
+    f.puts "Init_native"
+  end
+end
+
 create_makefile "helix_runtime/native"

ruby/ext/helix_runtime/native/native.def

@@ -1,44 +0,0 @@
-LIBRARY helix-runtime
-EXPORTS
-HELIX_Data_Get_Struct_Value
-HELIX_Data_Set_Struct_Value
-HELIX_Data_Wrap_Struct
-HELIX_FIX2INT
-HELIX_INT2FIX
-HELIX_Qfalse
-HELIX_Qnil
-HELIX_Qtrue
-HELIX_RARRAY_LEN
-HELIX_RARRAY_PTR
-HELIX_RB_TYPE_P
-HELIX_RSTRING_LEN
-HELIX_RSTRING_PTR
-HELIX_TYPE
-HELIX_T_ARRAY
-HELIX_T_BIGNUM
-HELIX_T_CLASS
-HELIX_T_COMPLEX
-HELIX_T_DATA
-HELIX_T_FALSE
-HELIX_T_FILE
-HELIX_T_FIXNUM
-HELIX_T_FLOAT
-HELIX_T_HASH
-HELIX_T_ICLASS
-HELIX_T_MASK
-HELIX_T_MATCH
-HELIX_T_MODULE
-HELIX_T_NIL
-HELIX_T_NODE
-HELIX_T_NONE
-HELIX_T_OBJECT
-HELIX_T_RATIONAL
-HELIX_T_REGEXP
-HELIX_T_STRING
-HELIX_T_STRUCT
-HELIX_T_SYMBOL
-HELIX_T_TRUE
-HELIX_T_UNDEF
-HELIX_T_ZOMBIE
-HELIX_rb_utf8_str_new
-Init_native