llvmir some opt

frontend/ast/val/ConstInitVal.java

@@ -0,0 +1,58 @@
+package frontend.ast.val;
+
+import java.util.ArrayList;
+
+import error.Errors;
+import frontend.ast.Node;
+import frontend.ast.SyntaxType;
+import frontend.ast.exp.ConstExp;
+import frontend.ast.token.TokenNode;
+import frontend.lexer.TokenStream;
+import frontend.lexer.TokenType;
+
+public class ConstInitVal extends Node {
+    public ConstInitVal(TokenStream ts) {
+        super(SyntaxType.CONST_INIT_VAL, ts);
+    }
+
+    public void parse(Errors errors) {
+        if (getCurrToken().getType() != TokenType.LBRACE) {
+            ConstExp cep = new ConstExp(this.ts);
+            cep.parse(errors);
+            addChild(cep);
+        } else {
+            TokenNode lbrace = new TokenNode(this.ts);
+            addChild(lbrace);
+            if (getCurrToken().getType() != TokenType.RBRACE) {
+                while (true) { // judge rbrace or not ??
+                    ConstExp cep = new ConstExp(this.ts);
+                    cep.parse(errors);
+                    addChild(cep);
+                    if (getCurrToken().getType() == TokenType.COMMA) {
+                        TokenNode comma = new TokenNode(this.ts);
+                        addChild(comma);
+                    } else {
+                        break;
+                    }
+                }
+            }
+            TokenNode rbrace = new TokenNode(this.ts);
+            addChild(rbrace);
+        }
+    }
+
+    public ArrayList<Integer> getValue() {
+        ArrayList<Integer> valueList = new ArrayList<>();
+        if (getChild(0) instanceof ConstExp) {
+            valueList.add(((ConstExp) getChild(0)).getValue());
+            return valueList;
+        } else {
+            for (int i = 1; i < getChildren().size(); i += 2) {
+                if (getChild(i) instanceof ConstExp) {
+                    valueList.add(((ConstExp) getChild(i)).getValue());
+                }
+            }
+            return valueList;
+        }
+    }
+}