Array arr[] operator added.

README.md

@@ -184,10 +184,11 @@ ColaScript is a language that compiles in JavaScript. This language is similar t
              
 
 ### Arrays
-- pushing       
+- pushing and getting last, status: done       
 
 		var arr = [3, 5, 6, 7];
 		arr[] = 4; // [3, 5, 6, 7, 4]
+		console.log(arr[]); // 4
               
 - part assigment 
 

demo.cola

@@ -24,12 +24,10 @@ main(){
     Array x, y;
     x = [123];
     y = clone x;
-    y.push(321);
-    console.log('original:',x,'cloned:',y);
+    y[] = 321;
+    console.log('original:',x,'cloned:',y, y[]);
 
-    y.forEach((val){
-        console.log(val);
-    });
+    y.forEach((val) => console.log(val));
 
     console.log("a is {{isset a ? 'set' : 'undefiend'}}, b is {{b?? ? 'set' : 'undefined'}}");
 

lib/index.html

@@ -90,12 +90,10 @@
     Array x, y;
     x = [123];
     y = clone x;
-    y.push(321);
-    console.log('original:',x,'cloned:',y);
+    y[] = 321;
+    console.log('original:',x,'cloned:',y, y[]);
 
-    y.forEach((val){
-        console.log(val);
-    });
+    y.forEach((val) => console.log(val));
 
     console.log("a is {{isset a ? 'set' : 'undefiend'}}, b is {{b?? ? 'set' : 'undefined'}}");
 
@@ -166,6 +164,8 @@ main();</textarea>
 			} catch(e){
 				translationArea.value = '';
 				resultArea.value = '';
+
+                throw e;
 			}
 
             document.querySelector('#lenstat').innerHTML = sourceArea.value.length+" : "+translationArea.value.length+" : "+resultArea.value.length;

lib/parse.js

@@ -705,10 +705,15 @@ Cola.Tokenizer.prototype.next_token = function (force_regexp) {
 
         return this.token("punc", this.next());
     }
-    if (!this.is_js && ch + this.peek(1) == '=>') return this.next(), this.next(), this.token("punc", "=>");
-    if (!this.is_js && ch == '@') return this.read_at();
+
+    if (!this.is_js) {
+        if (ch == 'r' && (this.peek(1) == '"' || this.peek(1) == "'" || this.peek(1) == '`')) return this.next(), this.read_string(true);
+        if (ch + this.peek(1) == '=>') return this.next(), this.next(), this.token("punc", "=>");
+        if (ch + this.peek(1) == '..') return this.next(), this.next(), this.token("punc", "..");
+        if (ch == '@') return this.read_at();
+    }
+
     if (Cola.OPERATOR_CHARS(ch)) return this.read_operator();
-    if (!this.is_js && ch == 'r' && (this.peek(1) == '"' || this.peek(1) == "'" || this.peek(1) == '`')) return this.next(), this.read_string(true);
     if (code == 92 || Cola.is_identifier_start(code)) return this.read_word();
     this.parse_error("Unexpected character '" + ch + "'");
 };
@@ -1680,7 +1685,7 @@ Cola.Parser.prototype.subscripts = function(expr, allow_calls) {
     }
     if (this.is("punc", "[")) {
         this.next();
-        var prop = this.expression(true);
+        var prop = !this.is_js && this.is("punc", "]") ? new Cola.AST_Noop() : this.expression(true);
         this.expect("]");
         return this.subscripts(new Cola.AST_Sub({
             start      : start,

lib/std.js

@@ -59,7 +59,7 @@ function $_cola_isntset(_object){
 }
 $_cola_isntset.i = 4;
 
-function $_cola_clone(_item) {
+function $_cola_clone(_item){
     if (_item === undefined || _item === null) return _item;
     if (_item.__clone__ instanceof Function) return _item.__clone__();
 
@@ -96,4 +96,9 @@ function $_cola_clone(_item) {
 }
 $_cola_clone.i = 5;
 
-$_cola = $_cola_is + $_cola_isnt + $_cola_modulo + $_cola_isset + $_cola_isntset + $_cola_clone;
+function $_cola_array_last(_array){
+    return _array[_array.length - 1];
+}
+$_cola_array_last.i = 6;
+
+$_cola = $_cola_is + $_cola_isnt + $_cola_modulo + $_cola_isset + $_cola_isntset + $_cola_clone + $_cola_array_last;

lib/translate.js

@@ -43,7 +43,7 @@ Cola.AST_Toplevel.prototype.toJavaScript = function(){
 
     var $_cola_ast = Cola.parse($_cola, { is_js : true}), $_cola_hash = {}, _this,
         tt = new Cola.TreeTransformer(null, function(node){
-        var newNode, props;
+        var newNode, props, parent = this.parent();
 
         if(node instanceof Cola.AST_Binary && node.operator == '**'){
             props = {
@@ -207,6 +207,41 @@ Cola.AST_Toplevel.prototype.toJavaScript = function(){
             node = new Cola.AST_Call(props);
         } else
 
+        if(node instanceof Cola.AST_Assign && node.operator == "=" && 
+           node.left instanceof Cola.AST_Sub && node.left.property instanceof Cola.AST_Noop){
+
+            props = {
+                property   : "push",
+                start      : node.left.start,
+                end        : new Cola.AST_Token({ nlb : false, type : 'name', value : 'push' }),
+                expression : node.left.expression
+            };
+            props = {
+                args       : [node.right],
+                start      : props.start,
+                end        : new Cola.AST_Token({ nlb : false, type : 'punc', value : ')' }),
+                expression : new Cola.AST_Dot(props)
+            };
+
+            node = new Cola.AST_Call(props);
+        } else
+
+        if(node instanceof Cola.AST_Sub && node.property instanceof Cola.AST_Noop && !(parent instanceof Cola.AST_Assign) && parent.operator != "=" && node != parent.left){
+            $_cola_hash[$_cola_array_last.i] = true;
+            props = {
+                args  : [node.expression],
+                start : new Cola.AST_Token({ nlb : false, type : 'name', value : '$_cola_array_last' }),
+                end   : new Cola.AST_Token({ nlb : false, type : 'punc', value : ')' })
+            };
+            props.expression = new Cola.AST_SymbolRef({ 
+                name  : '$_cola_array_last', 
+                start : props.start, 
+                end   : props.start 
+            });
+
+            node = new Cola.AST_Call(props);
+        } else
+
         if(node instanceof Cola.AST_StringTemplate){
             newNode = new Cola.AST_Binary({
                 operator : '+',