From dc7dce48d9cb9b238720b093eb2451f5898d1816 Mon Sep 17 00:00:00 2001
From: nitrix <me@nitrix.one>
Date: Mon, 16 Dec 2019 22:40:33 +0100
Subject: [PATCH] add variable deklaration

---
 src/main/antlr4/de/hsrm/compiler/Klang/Klang.g4 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/antlr4/de/hsrm/compiler/Klang/Klang.g4 b/src/main/antlr4/de/hsrm/compiler/Klang/Klang.g4
index a6dbbb7..b266c6c 100644
--- a/src/main/antlr4/de/hsrm/compiler/Klang/Klang.g4
+++ b/src/main/antlr4/de/hsrm/compiler/Klang/Klang.g4
@@ -23,6 +23,7 @@ braced_block
 statement
   : print
   | if_statement
+  | variable_declaration
   | variable_assignment
   | return_statement
   ;
@@ -33,7 +34,11 @@ print
 
 if_statement
   : IF OPAR cond = expression CPAR then = braced_block (ELSE (alt = braced_block | elif = if_statement) )?
-  ;  
+  ; 
+
+variable_declaration
+  : LET IDENT (EQUAL expression)? SCOL
+  ;
 
 variable_assignment
   : IDENT EQUAL expression SCOL
@@ -72,6 +77,7 @@ IF: 'if';
 ELSE: 'else';
 FUNC: 'function';
 RETURN: 'return';
+LET: 'let';
 
 SCOL: ';';
 OBRK: '{';