Catch some corner cases

9 files changed, 109 insertions, 0 deletions

diff --git a/doc/mrbgems/README.md b/doc/mrbgems/README.md
new file mode 100644
index 000000000..e23ffdcf2
--- /dev/null
+++ b/doc/mrbgems/README.md
@@ -0,0 +1,54 @@
+# mrbgems
+
+mrbgems is a library manager to integrate C and Ruby extension in an easy and
+standardized way into mruby.
+
+## GEM Structure
+
++- GEM_NAME         <- Name of Gem
+   |
+   +- mrblib/       <- Source for Ruby extension
+   |
+   +- src/          <- Source for C extension
+   |
+   +- test/         <- Test code (Ruby)
+   |
+   +- Makefile      <- Makefile for Gem
+   |
+   +- README.md     <- Readme for Gem
+
+## C Extension
+
+### Example
+
++- c_extension_example/
+   |
+   +- src/
+   |  |
+   |  +- example.c         <- C extension source
+   |
+   +- test/
+   |  |
+   |  +- example.rb        <- Test code for C extension
+   |
+   +- Makefile             <- Build rules for C extension
+   |
+   +- README.md
+
+## Ruby Extension
+
+### Example
+
++- ruby_extension_example/
+   |
+   +- mrblib/
+   |  |
+   |  +- example.rb        <- Ruby extension source
+   |
+   +- test/
+   |  |
+   |  +- example.rb        <- Test code for Ruby extension
+   |
+   +- Makefile
+   |
+   +- README.md
diff --git a/doc/mrbgems/c_extension_example/Makefile b/doc/mrbgems/c_extension_example/Makefile
new file mode 100644
index 000000000..b245e9696
--- /dev/null
+++ b/doc/mrbgems/c_extension_example/Makefile
@@ -0,0 +1,12 @@
+include ../../Makefile4gem
+
+GEM := c_extension_example
+
+GEM_C_FILES := $(wildcard $(SRC_DIR)/*.c)
+GEM_OBJECTS := $(patsubst %.c, %.o, $(GEM_C_FILES))
+
+gem-all : $(GEM_OBJECTS)
+	$(AR) rs $(LIBR) $<
+
+gem-clean :
+	-$(RM) $(GEM_OBJECTS)
diff --git a/doc/mrbgems/c_extension_example/README.md b/doc/mrbgems/c_extension_example/README.md
new file mode 100644
index 000000000..3803c2065
--- /dev/null
+++ b/doc/mrbgems/c_extension_example/README.md
@@ -0,0 +1,4 @@
+C Extension Example
+=========
+
+This is an example gem which implements a C extension.
diff --git a/doc/mrbgems/c_extension_example/src/example.c b/doc/mrbgems/c_extension_example/src/example.c
new file mode 100644
index 000000000..9f0b07839
--- /dev/null
+++ b/doc/mrbgems/c_extension_example/src/example.c
@@ -0,0 +1,17 @@
+#include <mruby.h>
+#include <stdio.h>
+
+static struct RClass *_class_cextension;
+
+static mrb_value
+mrb_c_method(mrb_state *mrb, mrb_value self)
+{
+  puts("A C Extension");
+  return self;
+}
+
+void
+mrb_c_extension_example_gem_init(mrb_state* mrb) {
+  _class_cextension = mrb_define_module(mrb, "CExtension");
+  mrb_define_class_method(mrb, _class_cextension, "c_method", mrb_c_method, ARGS_NONE());
+}
diff --git a/doc/mrbgems/c_extension_example/test/example.rb b/doc/mrbgems/c_extension_example/test/example.rb
new file mode 100644
index 000000000..367d18029
--- /dev/null
+++ b/doc/mrbgems/c_extension_example/test/example.rb
@@ -0,0 +1,3 @@
+assert('C Extension Example') do
+  CExtension.respond_to? :c_method
+end
diff --git a/doc/mrbgems/ruby_extension_example/Makefile b/doc/mrbgems/ruby_extension_example/Makefile
new file mode 100644
index 000000000..7ebec4f09
--- /dev/null
+++ b/doc/mrbgems/ruby_extension_example/Makefile
@@ -0,0 +1,7 @@
+include ../../Makefile4gem
+
+GEM := ruby_extension_example
+
+gem-all :
+
+gem-clean :
diff --git a/doc/mrbgems/ruby_extension_example/README.md b/doc/mrbgems/ruby_extension_example/README.md
new file mode 100644
index 000000000..906a0d8f2
--- /dev/null
+++ b/doc/mrbgems/ruby_extension_example/README.md
@@ -0,0 +1,4 @@
+Pure Ruby Extension Example
+=========
+
+This is an example gem which implements a pure Ruby extension.
diff --git a/doc/mrbgems/ruby_extension_example/mrblib/example.rb b/doc/mrbgems/ruby_extension_example/mrblib/example.rb
new file mode 100644
index 000000000..b07a2b580
--- /dev/null
+++ b/doc/mrbgems/ruby_extension_example/mrblib/example.rb
@@ -0,0 +1,5 @@
+class RubyExtension
+  def RubyExtension.ruby_method
+    puts "A Ruby Extension"
+  end
+end
diff --git a/doc/mrbgems/ruby_extension_example/test/example.rb b/doc/mrbgems/ruby_extension_example/test/example.rb
new file mode 100644
index 000000000..0c1b63469
--- /dev/null
+++ b/doc/mrbgems/ruby_extension_example/test/example.rb
@@ -0,0 +1,3 @@
+assert('Ruby Extension Example') do
+  RubyExtension.respond_to? :ruby_method
+end