From 8d8bc0603478481851f2bb8e5d250b260f65a509 Mon Sep 17 00:00:00 2001
From: mrab <matthiasÂ@raba.live>
Date: Thu, 2 May 2024 13:44:02 +0200
Subject: [PATCH] AST

---
 src/Ast.hs | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/Ast.hs

diff --git a/src/Ast.hs b/src/Ast.hs
new file mode 100644
index 0000000..c48074d
--- /dev/null
+++ b/src/Ast.hs
@@ -0,0 +1,51 @@
+module Ast where
+
+type CompilationUnit = [Class]
+type DataType = String
+type Identifier = String
+
+data ParameterDeclaration = ParameterDeclaration DataType Identifier
+data VariableDeclaration = VariableDeclaration DataType Identifier (Maybe Expression)
+data Class = Class DataType [MethodDeclaration] [VariableDeclaration]
+data MethodDeclaration = MethodDeclaration DataType Identifier [ParameterDeclaration] Statement
+
+data Statement = If Expression Statement (Maybe Statement)
+               | LocalVariableDeclaration VariableDeclaration
+               | While Expression Statement
+               | Block [Statement]
+               | Return (Maybe Expression)
+               | StatementExpressionStatement StatementExpression
+
+data StatementExpression = Assignment Identifier Expression
+                         | ConstructorCall DataType [Expression]
+                         | MethodCall Identifier [Expression]
+
+data BinaryOperator = Addition
+                    | Subtraction
+                    | Multiplication
+                    | Division
+                    | BitwiseAnd
+                    | BitwiseOr
+                    | BitwiseXor
+                    | CompareLessThan
+                    | CompareLessOrEqual
+                    | CompareGreaterThan
+                    | CompareGreaterOrEqual
+                    | CompareEqual
+                    | CompareNotEqual
+                    | And
+                    | Or
+                    | NameResolution
+
+data UnaryOperator = Not
+                   | Minus
+
+data Expression = IntegerLiteral Int
+                | CharacterLiteral Char
+                | BooleanLiteral Bool
+                | NullLiteral
+                | Reference Identifier
+                | BinaryOperation BinaryOperator Expression Expression
+                | UnaryOperation UnaryOperator Expression
+                | StatementExpressionExpression StatementExpression
+                
\ No newline at end of file