From 2aaba598d6232c3238a62b528223a1a5653a1c1f Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 21 Nov 2014 09:12:56 +0000
Subject: * tool/update-deps: Refactored.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48528 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/update-deps | 173 ++++++++++++++++++++++++++++---------------------------
 1 file changed, 89 insertions(+), 84 deletions(-)

(limited to 'tool/update-deps')

diff --git a/tool/update-deps b/tool/update-deps
index 24cb7a4f0d..f5cfa5c4d7 100755
--- a/tool/update-deps
+++ b/tool/update-deps
@@ -28,16 +28,99 @@ require 'pathname'
 require 'open3'
 require 'pp'
 
-ENV['LC_ALL'] = 'C'
+# These files are not in the svn repository.
+# Thier locaiton vary in out-of-place build.
+# They are built in the build directory if the source is obtained via svn.
+# However they are exist in tarball and exist in the source directory if the source is obtained as tarball.
+FILES_NEED_VPATH = %w[
+  encdb.h
+  id.c
+  id.h
+  lex.c
+  miniprelude.c
+  newline.c
+  parse.c
+  parse.h
+  prelude.c
+  probes.h
+  transdb.h
+  verconf.h
+]
+
+# Multiple files with one filename.
+# It is not good idea to refer them using VPATH.
+FILES_SAME_NAME = %w[
+  include/ruby.h
+  include/ruby/ruby.h
+  version.h
+  include/ruby/version.h
+]
 
-$opt_fix = false
-$opt_a = false
-$opt_actual_fix = false
-$i_not_found = false
+def in_makefile(target, source)
+  target = target.to_s
+  source = source.to_s
+  case target
+  when %r{\A[^/]*\z}
+    target2 = "#{target.sub(/\.o\z/, '.$(OBJEXT)')}"
+    case source
+    when *FILES_NEED_VPATH then source2 = "{$(VPATH)}#{source}"
+    when *FILES_SAME_NAME then source2 = "$(top_srcdir)/#{source}"
+    when 'revision.h' then source2 = '$(srcdir)/revision.h' # This file is always generated in $(srcdir).
+    when 'thread_pthread.c' then source2 = '{$(VPATH)}thread_$(THREAD_MODEL).c'
+    when 'thread_pthread.h' then source2 = '{$(VPATH)}thread_$(THREAD_MODEL).h'
+    when %r{\A[^/]*\z} then source2 = "{$(VPATH)}#{File.basename source}"
+    when %r{\A\.ext/include/[^/]+/ruby/} then source2 = "{$(VPATH)}#{$'}"
+    when %r{\Ainclude/ruby/} then source2 = "{$(VPATH)}#{$'}"
+    when %r{\Aenc/} then source2 = "{$(VPATH)}#{$'}"
+    when %r{\Amissing/} then source2 = "{$(VPATH)}#{$'}"
+    when %r{\Accan/} then source2 = "$(CCAN_DIR)/#{$'}"
+    when %r{\Adefs/} then source2 = "{$(VPATH)}#{source}"
+    else source2 = "$(top_srcdir)/#{source}"
+    end
+    ["common.mk", target2, source2]
+  when %r{\Aenc/}
+    target2 = "#{target.sub(/\.o\z/, '.$(OBJEXT)')}"
+    case source
+    when *FILES_NEED_VPATH then source2 = source
+    when *FILES_SAME_NAME then source2 = "$(top_srcdir)/#{source}"
+    when %r{\A\.ext/include/[^/]+/ruby/} then source2 = $'
+    when %r{\Ainclude/ruby/} then source2 = $'
+    when %r{\Aenc/} then source2 = source
+    else source2 = "$(top_srcdir)/#{source}"
+    end
+    ["enc/depend", target2, source2]
+  when %r{\Aext/}
+    unless File.exist?("#{File.dirname(target)}/extconf.rb")
+      warn "warning: not found: #{File.dirname(target)}/extconf.rb"
+    end
+    target2 = File.basename(target)
+    case source
+    when *FILES_NEED_VPATH then source2 = "{$(VPATH)}#{source}"
+    when *FILES_SAME_NAME then source2 = "$(top_srcdir)/#{source}"
+    when %r{\A\.ext/include/[^/]+/ruby/} then source2 = "$(arch_hdrdir)/ruby/#{$'}"
+    when %r{\Ainclude/} then source2 = "$(hdrdir)/#{$'}"
+    when %r{\A#{Regexp.escape File.dirname(target)}/extconf\.h\z} then source2 = "$(RUBY_EXTCONF_H)"
+    when %r{\A#{Regexp.escape File.dirname(target)}/} then source2 = $'
+    else source2 = "$(top_srcdir)/#{source}"
+    end
+    ["#{File.dirname(target)}/depend", target2, source2]
+  else
+    raise "unexpected target: #{target}"
+  end
+end
 
 DEPENDENCIES_SECTION_START_MARK = "\# AUTOGENERATED DEPENDENCIES START\n"
 DEPENDENCIES_SECTION_END_MARK = "\# AUTOGENERATED DEPENDENCIES END\n"
 
+def init_global
+  ENV['LC_ALL'] = 'C'
+
+  $opt_fix = false
+  $opt_a = false
+  $opt_actual_fix = false
+  $i_not_found = false
+end
+
 def optionparser
   op = OptionParser.new
   op.banner = 'Usage: ruby tool/update-deps'
@@ -196,85 +279,6 @@ def sort_paths(paths)
   }
 end
 
-# These files are not in the svn repository.
-# They are built in the build directory if the source is obtained via svn.
-# However they are exist in tarball and exist in the source directory if the source is obtained as tarball.
-FILES_NEED_VPATH = %w[
-  encdb.h
-  id.c
-  id.h
-  lex.c
-  miniprelude.c
-  newline.c
-  parse.c
-  parse.h
-  prelude.c
-  probes.h
-  transdb.h
-  verconf.h
-]
-
-# Multiple files with one filename.
-FILES_CONFUSING = %w[
-  include/ruby.h
-  include/ruby/ruby.h
-  version.h
-  include/ruby/version.h
-]
-
-def in_makefile(target, source)
-  target = target.to_s
-  source = source.to_s
-  case target
-  when %r{\A[^/]*\z}
-    target2 = "#{target.sub(/\.o\z/, '.$(OBJEXT)')}"
-    case source
-    when *FILES_NEED_VPATH then source2 = "{$(VPATH)}#{source}"
-    when *FILES_CONFUSING then source2 = "$(top_srcdir)/#{source}"
-    when 'revision.h' then source2 = '$(srcdir)/revision.h' # This file is always generated in $(srcdir).
-    when 'thread_pthread.c' then source2 = '{$(VPATH)}thread_$(THREAD_MODEL).c'
-    when 'thread_pthread.h' then source2 = '{$(VPATH)}thread_$(THREAD_MODEL).h'
-    when %r{\A[^/]*\z} then source2 = "{$(VPATH)}#{File.basename source}"
-    when %r{\A\.ext/include/[^/]+/ruby/} then source2 = "{$(VPATH)}#{$'}"
-    when %r{\Ainclude/ruby/} then source2 = "{$(VPATH)}#{$'}"
-    when %r{\Aenc/} then source2 = "{$(VPATH)}#{$'}"
-    when %r{\Amissing/} then source2 = "{$(VPATH)}#{$'}"
-    when %r{\Accan/} then source2 = "$(CCAN_DIR)/#{$'}"
-    when %r{\Adefs/} then source2 = "{$(VPATH)}#{source}"
-    else source2 = "$(top_srcdir)/#{source}"
-    end
-    ["common.mk", target2, source2]
-  when %r{\Aenc/}
-    target2 = "#{target.sub(/\.o\z/, '.$(OBJEXT)')}"
-    case source
-    when *FILES_NEED_VPATH then source2 = source
-    when *FILES_CONFUSING then source2 = "$(top_srcdir)/#{source}"
-    when %r{\A\.ext/include/[^/]+/ruby/} then source2 = $'
-    when %r{\Ainclude/ruby/} then source2 = $'
-    when %r{\Aenc/} then source2 = source
-    else source2 = "$(top_srcdir)/#{source}"
-    end
-    ["enc/depend", target2, source2]
-  when %r{\Aext/}
-    unless File.exist?("#{File.dirname(target)}/extconf.rb")
-      warn "warning: not found: #{File.dirname(target)}/extconf.rb"
-    end
-    target2 = File.basename(target)
-    case source
-    when *FILES_NEED_VPATH then source2 = "{$(VPATH)}#{source}"
-    when *FILES_CONFUSING then source2 = "$(top_srcdir)/#{source}"
-    when %r{\A\.ext/include/[^/]+/ruby/} then source2 = "$(arch_hdrdir)/ruby/#{$'}"
-    when %r{\Ainclude/} then source2 = "$(hdrdir)/#{$'}"
-    when %r{\A#{Regexp.escape File.dirname(target)}/extconf\.h\z} then source2 = "$(RUBY_EXTCONF_H)"
-    when %r{\A#{Regexp.escape File.dirname(target)}/} then source2 = $'
-    else source2 = "$(top_srcdir)/#{source}"
-    end
-    ["#{File.dirname(target)}/depend", target2, source2]
-  else
-    raise "unexpected target: #{target}"
-  end
-end
-
 def show_deps(tag, deps)
   targets = sort_paths(deps.keys)
   targets.each {|t|
@@ -478,6 +482,7 @@ def run
   end
 end
 
+init_global
 run
 if $i_not_found
   warn "warning: missing *.i files, see help in #$0 and ensure ccache is disabled"
-- 
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