change table declaration syntax

src/ndspkg/compiler/collections.nim

@@ -31,9 +31,17 @@ tkStartList.genRule(parseList, nop, pcNone)
 
 proc parseTable(comp: Compiler) =
   var count: int
-  while comp.current.tokenType != tkRightBrace:
-    comp.expression()
-    comp.consume(tkEqual, "Equal sign expected after key.")
+  while comp.current.tokenType notin {tkEof, tkRightBrace}:
+    if comp.match(tkLeftBracket):
+      comp.expression()
+      comp.consume(tkRightBracket, "Expect ']' after key.")
+    elif comp.match(tkIdentifier):
+      let ident = comp.previous.text.fromNimString()
+      comp.writeConstant(ident)
+    else:
+      comp.error("Key expected in table (perhaps you forgot to encapsulate the key with []?).")
+    if not comp.match(tkColon):
+      comp.consume(tkEqual, "Equal sign or colon expected after key.")
     comp.expression()
     count.inc()
     if comp.current.tokenType != tkRightBrace:

tests/closures.nds

@@ -56,8 +56,8 @@ var f2 = funct() {
   var x = { @a @b
     // this captures the internal value, not whatever it returns is assigned to
     :result = @{
-      "get" = funct() print (:a),
-      "set" = funct(n) :b = n,
+      get = funct() print (:a),
+      ["set"] = funct(n) :b = n,
     };
   };
   x = 5;
@@ -85,9 +85,9 @@ argcap(8.1)();
 var newAnimal = funct(species, color) {
   var species = species; // copy it so that it's mutable, if args ever get immutable
   var animal = @{
-    "getSpecies" = funct() :result = species,
-    "setSpecies" = funct(newSpecies) species = newSpecies,
-    "getColor" = funct() :result = color, // this captures an argument directly
+    ["getSpecies"] = funct() :result = species,
+    ["setSpecies"] = funct(newSpecies) species = newSpecies,
+    ["getColor"] = funct() :result = color, // this captures an argument directly
   };
   :result = animal;
 };

tests/controlflow.nds

@@ -59,7 +59,7 @@ if (1) print ("5");
 if (@[]) print ("6");
 if (@["hi"]) print ("7");
 if (@{}) print ("8");
-if (@{"hi" = 5}) print ("9");
+if (@{["hi"] = 5}) print ("9");
 if (funct(n) print (n)) print ("10");
 
 //expect:1

tests/sugar.nds

@@ -21,9 +21,9 @@ print (1 + 2 * 3 :: tostring() + "2");
 // indexing tables with .
 
 var nested = @{
-  "lvl1" = @{
-    "lvl2" = @{
-      "lvl3" = 5
+  lvl1 = @{
+    lvl2 = @{
+      lvl3 = 5
     }
   }
 };