llvmir some opt

frontend/ast/decl/Decl.java

@@ -0,0 +1,25 @@
+package frontend.ast.decl;
+
+import error.Errors;
+import frontend.ast.Node;
+import frontend.ast.SyntaxType;
+import frontend.lexer.TokenStream;
+import frontend.lexer.TokenType;
+
+public class Decl extends Node {
+    public Decl(TokenStream ts) {
+        super(SyntaxType.DECL, ts);
+    }
+
+    public void parse(Errors errors) {
+        if (getCurrToken().getType() == TokenType.CONSTTK) {
+            ConstDecl cd = new ConstDecl(this.ts);
+            cd.parse(errors);
+            addChild(cd);
+        } else {
+            VarDecl vd = new VarDecl(this.ts);
+            vd.parse(errors);
+            addChild(vd);
+        }
+    }
+}