Added install-dbg

Scripts to run the interpreter via debugger.

common.mk

@@ -550,6 +550,13 @@ do-install-gem: $(PROGRAM) pre-install-gem
 post-install-gem::
 	@$(NULLCMD)
 
+install-dbg: pre-install-dbg do-install-dbg post-install-dbg
+pre-install-dbg::
+do-install-dbg: $(PROGRAM) pre-install-dbg
+	$(INSTRUBY) --make="$(MAKE)" $(INSTRUBY_ARGS) --install=dbg
+post-install-dbg::
+	@$(NULLCMD)
+
 rdoc: PHONY main
 	@echo Generating RDoc documentation
 	$(Q) $(RDOC) --ri --op "$(RDOCOUT)" $(RDOC_GEN_OPTS) $(RDOCFLAGS) "$(srcdir)"

template/ruby-gdb.in

@@ -0,0 +1,6 @@
+#!/bin/sh
+prefix="/${0%/*}"
+prefix="${prefix%/*}"
+ruby="${bindir}/${RUBY_INSTALL_NAME}"
+gdbinit="${rubylibdir}/gdbinit"
+exec gdb --command="$gdbinit" --args "$ruby" "$@"

template/ruby-lldb.in

@@ -0,0 +1,6 @@
+#!/bin/sh
+prefix="/${0%/*}"
+prefix="${prefix%/*}"
+ruby="${bindir}/${RUBY_INSTALL_NAME}"
+lldbinit="${rubylibdir}/lldb_cruby.py"
+exec lldb -O "command script import $lldbinit" "$ruby" -- "$@"

tool/rbinstall.rb

@@ -149,7 +149,9 @@ end
 
 $install_procs = Hash.new {[]}
 def install?(*types, &block)
-  $install_procs[:all] <<= block
+  unless types.delete(:nodefault)
+    $install_procs[:all] <<= block
+  end
   types.each do |type|
     $install_procs[type] <<= block
   end
@@ -482,7 +484,12 @@ _=_\\
 =end
 EOS
 
-installer = Struct.new(:ruby_shebang, :ruby_bin, :ruby_install_name, :stub, :trans)
+installer = Struct.new(:ruby_shebang, :ruby_bin, :ruby_install_name, :stub, :trans) do
+  def transform(name)
+    RbConfig.expand(trans[name])
+  end
+end
+
 $script_installer = Class.new(installer) do
   ruby_shebang = File.join(bindir, ruby_install_name)
   if File::ALT_SEPARATOR
@@ -527,7 +534,7 @@ $script_installer = Class.new(installer) do
   end
 
   def install(src, cmd)
-    cmd = cmd.sub(/[^\/]*\z/m) {|n| RbConfig.expand(trans[n])}
+    cmd = cmd.sub(/[^\/]*\z/m) {|n| transform(n)}
 
     shebang, body = open(src, "rb") do |f|
       next f.gets, f.read
@@ -655,6 +662,20 @@ install?(:local, :comm, :man) do
   end
 end
 
+install?(:dbg, :nodefault) do
+  prepare "debugger commands", bindir
+  prepare "debugger scripts", rubylibdir
+  conf = RbConfig::MAKEFILE_CONFIG.merge({"prefix"=>"${prefix#/}"})
+  Dir.glob(File.join(srcdir, "template/ruby-*db.in")) do |src|
+    cmd = $script_installer.transform(File.basename(src, ".in"))
+    open_for_install(File.join(bindir, cmd), $script_mode) {
+      RbConfig.expand(File.read(src), conf)
+    }
+  end
+  install File.join(srcdir, "misc/lldb_cruby.py"), File.join(rubylibdir, "lldb_cruby.py")
+  install File.join(srcdir, ".gdbinit"), File.join(rubylibdir, "gdbinit")
+end
+
 module RbInstall
   module Specs
     class FileCollector