llvmir some opt

frontend/ast/exp/LOrExp.java

@@ -0,0 +1,44 @@
+package frontend.ast.exp;
+
+import frontend.ast.Node;
+import frontend.ast.NodeStack;
+import frontend.ast.SyntaxType;
+import frontend.lexer.TokenStream;
+import frontend.lexer.TokenType;
+import frontend.ast.token.TokenNode;
+import error.Errors;
+
+public class LOrExp extends Node {
+    public LOrExp(TokenStream ts) {
+        super(SyntaxType.LOR_EXP, ts);
+    }
+
+    public void parse(Errors errors) {
+        NodeStack stack = new NodeStack();
+        while (true) {
+            LAndExp andexp = new LAndExp(this.ts);
+            andexp.parse(errors);
+            stack.push(andexp);
+            if (getCurrToken().getType() == TokenType.OR) {
+                stack.push(new TokenNode(ts)); // lorop
+            } else {
+                break;
+            }
+        }
+        if (stack.size() == 1) {
+            this.addChild((LAndExp)stack.pop());
+        } else {
+            LOrExp temp = this;
+            while(stack.size() > 1) {
+                LOrExp loe = new LOrExp(this.ts);
+                LAndExp lae = (LAndExp)stack.pop();
+                TokenNode lorop = (TokenNode)stack.pop();
+                temp.addChild(loe);
+                temp.addChild(lorop);
+                temp.addChild(lae);
+                temp = loe;
+            }
+            temp.addChild((LAndExp)stack.pop());
+        }
+    }
+}