table constructors now mimic more closely the syntax of case... of...

see the safePrintF example in the manual as a motivation

compiler/semexprs.nim

@@ -1364,19 +1364,28 @@ proc semSetConstr(c: PContext, n: PNode): PNode =
         m = fitNode(c, typ, n.sons[i])
       addSon(result, m)
 
-proc semTableConstr(c: PContext, n: PNode): PNode = 
-  # we simply transform ``{key: value, key2: value}`` to 
-  # ``[(key, value), (key2, value2)]``
+proc semTableConstr(c: PContext, n: PNode): PNode =
+  # we simply transform ``{key: value, key2, key3: value}`` to 
+  # ``[(key, value), (key2, value2), (key3, value2)]``
   result = newNodeI(nkBracket, n.info)
+  var lastKey = 0
   for i in 0..n.len-1:
     var x = n.sons[i]
     if x.kind == nkExprColonExpr and sonsLen(x) == 2:
+      for j in countup(lastKey, i-1):
+        var pair = newNodeI(nkPar, x.info)
+        pair.add(n.sons[j])
+        pair.add(x[1])
+        result.add(pair)
+
       var pair = newNodeI(nkPar, x.info)
       pair.add(x[0])
       pair.add(x[1])
       result.add(pair)
-    else:
-      illFormedAst(x)
+
+      lastKey = i+1
+
+  if lastKey != n.len: illFormedAst(n)
   result = semExpr(c, result)
 
 type 

doc/manual.txt

@@ -2244,10 +2244,10 @@ Table constructor
 A `table constructor`:idx: is syntactic sugar for an array constructor:
 
 .. code-block:: nimrod
-  {"key1": "value1", "key2": "value2"}
+  {"key1": "value1", "key2", "key3": "value2"}
   
   # is the same as:
-  [("key1", "value1"), ("key2", "value2")]
+  [("key1", "value1"), ("key2", "value2"), ("key3", "value")]
 
 
 The empty table can be written ``{:}`` (in contrast to the empty set 

web/news.txt

@@ -2,6 +2,37 @@
 News
 ====
 
+2012-XX-XX Version 0.9.XX released
+==================================
+
+Version 0.8.XX has been released! Get it `here <download.html>`_. 
+
+Bugfixes
+--------
+
+
+
+Library Additions
+-----------------
+
+
+
+Changes affecting backwards compatibility
+-----------------------------------------
+
+
+
+Compiler Additions
+------------------
+
+
+
+Language Additions
+------------------
+
+- table constructors now mimic more closely the syntax of case... of...
+
+
 2012-09-23 Version 0.9.0 released
 =================================