llvmir some opt

midend/visit/VisitorBlock.java

@@ -0,0 +1,35 @@
+package midend.visit;
+
+import java.util.ArrayList;
+
+import frontend.ast.block.Block;
+import frontend.ast.block.BlockItem;
+import frontend.ast.block.Stmt;
+import frontend.ast.decl.Decl;
+import midend.symbol.SymbolManager;
+
+public class VisitorBlock {
+    public static void visitBlock(Block block) {
+        if (!block.isFuncBlock()) {
+            SymbolManager.nextTable();
+        }
+        // System.out.println("(block)now table: " + SymbolManager.getCurrentTableId());
+        // System.out.println("bsequence: " + SymbolManager.getCurrentSequence());//TODO:debug
+        ArrayList<BlockItem> blockItems = block.getBlockItems();
+        for (BlockItem blockItem : blockItems) {
+            visitBlockItem(blockItem);
+        }
+        if (!block.isFuncBlock()) {
+            SymbolManager.nextTable();
+        }
+        // System.out.println("(block)now table: " + SymbolManager.getCurrentTableId());//TODO:debug
+    }
+
+    public static void visitBlockItem(BlockItem blockItem) {
+        if (blockItem.getChild(0) instanceof Decl) {
+            VisitorDecl.visitDecl((Decl) blockItem.getChild(0));
+        } else {
+            VisitorStmt.visitStmt((Stmt) blockItem.getChild(0));
+        }
+    }
+}