llvmir some opt

frontend/ast/val/InitVal.java

@@ -0,0 +1,71 @@
+package frontend.ast.val;
+
+import java.util.ArrayList;
+
+import error.Errors;
+import frontend.ast.Node;
+import frontend.ast.SyntaxType;
+import frontend.lexer.TokenStream;
+import frontend.lexer.TokenType;
+import frontend.ast.token.TokenNode;
+import frontend.ast.exp.Exp;
+
+public class InitVal extends Node {
+    public InitVal(TokenStream ts) {
+        super(SyntaxType.INIT_VAL, ts);
+    }
+
+    public void parse(Errors errors) {
+        if (getCurrToken().getType() == TokenType.LBRACE) {
+            TokenNode lbrace = new TokenNode(this.ts);
+            addChild(lbrace);
+            if (getCurrToken().getType() != TokenType.RBRACE) {
+                while (true) {
+                    Exp ep = new Exp(this.ts);
+                    ep.parse(errors);
+                    addChild(ep);
+                    if (getCurrToken().getType() == TokenType.COMMA) {
+                        TokenNode comma = new TokenNode(this.ts);
+                        addChild(comma);
+                    } else {
+                        break;
+                    }
+                }
+            }
+            TokenNode rbrace = new TokenNode(this.ts);
+            addChild(rbrace);
+        } else {
+            Exp ep = new Exp(this.ts);
+            ep.parse(errors);
+            addChild(ep);
+        }
+    }
+
+    public ArrayList<Integer> getValue() {
+        ArrayList<Integer> values = new ArrayList<>();
+        if (getChild(0) instanceof Exp) {
+            values.add(((Exp) getChild(0)).getValue());
+        } else {
+            for (int i = 1; i < getChildren().size(); i += 2) {
+                if (getChild(i) instanceof Exp) {
+                    values.add(((Exp) getChild(i)).getValue());
+                }
+            }
+        }
+        return values;
+    }
+
+    public ArrayList<Exp> getExpList() {
+        ArrayList<Exp> expList = new ArrayList<>();
+        if (getChild(0) instanceof Exp) {
+            expList.add((Exp) getChild(0));
+        } else {
+            for (int i = 1; i < getChildren().size(); i += 2) {
+                if (getChild(i) instanceof Exp) {
+                    expList.add((Exp) getChild(i));
+                }
+            }
+        }
+        return expList;
+    }
+}