llvmir some opt

frontend/ast/exp/Exp.java

@@ -0,0 +1,27 @@
+package frontend.ast.exp;
+
+import frontend.ast.Node;
+import frontend.ast.SyntaxType;
+import frontend.lexer.TokenStream;
+import midend.symbol.SymbolManager;
+import error.Errors;
+
+public class Exp extends Node {
+    public Exp(TokenStream ts) {
+        super(SyntaxType.EXP, ts);
+    }
+
+    public void parse(Errors errors) {
+        AddExp addexp = new AddExp(this.ts);
+        addexp.parse(errors);
+        addChild(addexp);
+    }
+
+    public int getType() {
+        return ((AddExp) getChild(0)).getType();
+    }
+
+    public int getValue() {
+        return ((AddExp) getChild(0)).getValue();
+    }
+}