From e5eb4590894ced3bb4c676538e1b52af9c0daf11 Mon Sep 17 00:00:00 2001
From: dave <dave@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 18 Apr 2004 23:15:30 +0000
Subject: Allow for HAVE_PROTOTYPES macro

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6177 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rdoc/parsers/parse_c.rb | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'lib/rdoc/parsers')

diff --git a/lib/rdoc/parsers/parse_c.rb b/lib/rdoc/parsers/parse_c.rb
index 200519a784..2035934588 100644
--- a/lib/rdoc/parsers/parse_c.rb
+++ b/lib/rdoc/parsers/parse_c.rb
@@ -150,7 +150,7 @@ module RDoc
     # prepare to parse a C file
     def initialize(top_level, file_name, body, options, stats)
       @known_classes = KNOWN_CLASSES.dup
-      @body = body
+      @body = handle_ifdefs_in(body)
       @options = options
       @stats   = stats
       @top_level = top_level
@@ -272,6 +272,7 @@ module RDoc
     ############################################################
     
     def do_methods
+
       @body.scan(%r{rb_define_
                      (
                         singleton_method |
@@ -293,7 +294,7 @@ module RDoc
         next if var_name == "nstr"
         next if var_name == "envtbl"
         next if var_name == "argf"   # it'd be nice to handle this one
-                          
+
         var_name = "rb_cObject" if var_name == "rb_mKernel"
         handle_method(type, var_name, meth_name, 
                       meth_body, param_count, source_file)
@@ -338,7 +339,6 @@ module RDoc
 
     def handle_method(type, var_name, meth_name, 
                       meth_body, param_count, source_file = nil)
-      
       @stats.num_methods += 1
       class_name = @known_classes[var_name]
 
@@ -383,6 +383,7 @@ module RDoc
     def find_body(meth_name, meth_obj, body)
       if body =~ %r{((?>/\*.*?\*/\s*))(static\s+)?VALUE\s+#{meth_name}
                     \s*(\(.*?\)).*?^}xm
+
         comment, params = $1, $3
         body_text = $&
 
@@ -485,6 +486,13 @@ module RDoc
       end
       @classes[raw_name]
     end
+
+    # Remove #ifdefs that would otherwise confuse us
+    
+    def handle_ifdefs_in(body)
+      body.gsub(/^#ifdef HAVE_PROTOTYPES.*?#else.*?\n(.*?)#endif.*?\n/m) { $1 }
+    end
+    
   end
-  
+
 end
-- 
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