From eeb804f153eff4bde9fc528414bfd9c8c8e343a1 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 26 Feb 1998 07:43:11 +0000
Subject: *** empty log message ***

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@92 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/thread.rb | 48 +++++++++++++++++++++++++++++++++++++++++-------
 parse.y       | 28 ++++++++++++++++++++++++----
 version.h     |  2 +-
 3 files changed, 66 insertions(+), 12 deletions(-)

diff --git a/lib/thread.rb b/lib/thread.rb
index 5262ec539d..c33333f5f3 100644
--- a/lib/thread.rb
+++ b/lib/thread.rb
@@ -69,9 +69,37 @@ class Mutex
       unlock
     end
   end
+end
 
-  def num_waiting
-    @waiting.size
+class ConditionVariable
+  def initialize
+    @waiters = []
+    @waiters_mutex = Mutex.new
+  end
+  
+  def wait(mutex)
+    mutex.unlock
+    @waiters_mutex.synchronize {
+      @waiters.push(Thread.current)
+    }
+    Thread.stop
+    mutex.lock
+  end
+  
+  def signal
+    @waiters_mutex.synchronize {
+      t = @waiters.shift
+      t.run if t
+    }
+  end
+    
+  def broadcast
+    @waiters_mutex.synchronize {
+      for t in @waiters
+	t.run
+      end
+      @waiters.clear
+    }
   end
 end
 
@@ -116,6 +144,11 @@ class Queue
     @que.length
   end
   alias size length
+
+
+  def num_waiting
+    @waiting.size
+  end
 end
 
 class SizedQueue<Queue
@@ -130,19 +163,20 @@ class SizedQueue<Queue
   end
 
   def max=(max)
+    Thread.critical = TRUE
     if @max >= max
       @max = max
+      Thread.critical = FALSE
     else
-      Thread.critical = TRUE
       diff = max - @max
       @max = max
+      Thread.critical = FALSE
       diff.times do
 	t = @queue_wait.shift
 	t.run if t
       end
-      Thread.critical = FALSE
-      @max
     end
+    max
   end
 
   def push(obj)
@@ -150,6 +184,7 @@ class SizedQueue<Queue
     while @que.length >= @max
       @queue_wait.push Thread.current
       Thread.stop
+      Thread.critical = true
     end
     super
   end
@@ -160,8 +195,7 @@ class SizedQueue<Queue
       t = @queue_wait.shift
       t.run if t
     end
-    pop = super
-    pop
+    super
   end
 
   def num_waiting
diff --git a/parse.y b/parse.y
index d36c3f7f54..e34eb57c6f 100644
--- a/parse.y
+++ b/parse.y
@@ -485,6 +485,11 @@ fname		: IDENTIFIER
 			lex_state = EXPR_END;
 			$$ = $1;
 		    }
+		| reswords
+		    {
+			lex_state = EXPR_END;
+			$$ = $<id>1;
+		    }
 
 undef_list	: fname
 		    {
@@ -523,6 +528,14 @@ op		: DOT2		{ $$ = DOT2; }
 		| ASET		{ $$ = ASET; }
 		| '`'		{ $$ = '`'; }
 
+reswords	: k__LINE__ | k__FILE__ | klBEGIN | klEND
+		| kALIAS | kAND | kBEGIN | kBREAK | kCASE | kCLASS | kDEF
+		| kDEFINED | kDO | kELSE | kELSIF | kEND | kENSURE | kFALSE
+		| kFOR | kIF_MOD | kIN | kMODULE | kNEXT | kNIL | kNOT
+		| kOR | kREDO | kRESCUE | kRETRY | kRETURN | kSELF | kSUPER
+		| kTHEN | kTRUE | kUNDEF | kUNLESS_MOD | kUNTIL_MOD | kWHEN
+		| kWHILE_MOD | kYIELD
+
 arg		: variable '=' arg
 		    {
 			value_expr($3);
@@ -2586,12 +2599,16 @@ retry:
       case ':':
 	c = nextc();
 	if (c == ':') {
-	    if (lex_state == EXPR_BEG ||
-		(lex_state == EXPR_ARG && space_seen)) {
+	    if (lex_state == EXPR_BEG) {
 		lex_state = EXPR_BEG;
 		return COLON3;
 	    }
-	    lex_state = EXPR_BEG;
+	    if (lex_state == EXPR_ARG && space_seen) {
+		arg_ambiguous();
+		lex_state = EXPR_BEG;
+		return COLON3;
+	    }
+	    lex_state = EXPR_DOT;
 	    return COLON2;
 	}
 	pushback(c);
@@ -2877,12 +2894,15 @@ retry:
 	    result = IVAR;
 	    break;
 	  default:
-	    if (lex_state != EXPR_FNAME && lex_state != EXPR_DOT) {
+	    if (lex_state != EXPR_DOT) {
 		/* See if it is a reserved word.  */
 		kw = rb_reserved_word(tok(), toklen());
 		if (kw) {
 		    enum lex_state state = lex_state;
 		    lex_state = kw->state;
+		    if (lex_state == EXPR_FNAME) {
+			yylval.id = rb_intern(kw->name);
+		    }
 		    return kw->id[state != EXPR_BEG];
 		}
 	    }
diff --git a/version.h b/version.h
index 35baa59bd0..37659375ac 100644
--- a/version.h
+++ b/version.h
@@ -1,2 +1,2 @@
-#define RUBY_VERSION "1.1b8"
+#define RUBY_VERSION "1.1b8_00"
 #define VERSION_DATE "98/02/20"
-- 
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