llvmir some opt

frontend/ast/block/Block.java

@@ -0,0 +1,49 @@
+package frontend.ast.block;
+
+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;
+
+public class Block extends Node {
+    private boolean isFuncBlock;
+
+    public Block(TokenStream ts) {
+        super(SyntaxType.BLOCK, ts);
+        isFuncBlock = false;
+    }
+
+    public void parse(Errors errors) {
+        TokenNode lbrace = new TokenNode(this.ts);
+        addChild(lbrace);
+        while (getCurrToken().getType() != TokenType.RBRACE) {
+            BlockItem bit = new BlockItem(this.ts);
+            bit.parse(errors);
+            addChild(bit);
+        }
+        TokenNode rbrace = new TokenNode(this.ts);
+        addChild(rbrace);
+    }
+
+    public ArrayList<BlockItem> getBlockItems() {
+        ArrayList<BlockItem> blockItems = new ArrayList<>();
+        for (int i = 0; i < getChildren().size(); i++) {
+            if (getChild(i) instanceof BlockItem) {
+                blockItems.add((BlockItem) getChild(i));
+            }
+        }
+        return blockItems;
+    }
+
+    public boolean isFuncBlock() {
+        return isFuncBlock;
+    }
+
+    public void setIsFuncBlock(boolean isFuncBlock) {
+        this.isFuncBlock = isFuncBlock;
+    }
+}