cvs: php-lang / c-like-syntax-spec.txt

sas		Fri Nov 17 15:27:32 2000 EDT

  Modified files:
    /php-lang	c-like-syntax-spec.txt 
  Log:
  Remove if definitions from selection-statement.
  
  Add unified if definition which also honors PHP's weird
  : elseif : else : endif; constructs.
  
  
Index: php-lang/c-like-syntax-spec.txt
diff -u php-lang/c-like-syntax-spec.txt:1.1 php-lang/c-like-syntax-spec.txt:1.2
--- php-lang/c-like-syntax-spec.txt:1.1	Fri Nov 17 15:02:12 2000
+++ php-lang/c-like-syntax-spec.txt	Fri Nov 17 15:27:32 2000
@@ -1,4 +1,4 @@
-# $Id: c-like-syntax-spec.txt,v 1.1 2000/11/17 23:02:12 sas Exp $
+# $Id: c-like-syntax-spec.txt,v 1.2 2000/11/17 23:27:32 sas Exp $
 #
 # See Language_Notation.txt for notation notes
 
@@ -33,10 +33,29 @@
     '{' [statement-list] '}'
   
 selection-statement:
-    'if' '(' expression ')' statement
-    'if' '(' expression ')' statement 'else' statement
+    'if' '(' expression ')' if-statement
     'switch' '(' expression ')' statement
 
+if-statement:
+    statement [else-statement]
+    ':' statement-list [elseif-list] [single-else-statement] 'endif' ';'
+
+else-statement:
+    'else' statement
+
+single-else-statement:
+    'else' ':' statement-list
+    
+elseif-list:
+    elseif-statement
+    elseif-list elseif-statement
+    
+elseif-statement:
+    elseif '(' expression ')' statement
+    
+elseif: one of
+    'elseif' 'else if'
+    
 iteration-statement:
     'for' '(' [expression] ';' [expression] ';' [expression] ')' for-statement
     'while' '(' expression ')' while-statement