Set up visitor (#3)

Co-authored-by: geno <gabriele.genovese2@studio.unibo.it>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/ast/nodes/BlockNode.java b/src/ast/nodes/BlockNode.java
new file mode 100644
index 0000000..1fdfcc3
--- /dev/null
+++ b/src/ast/nodes/BlockNode.java
@@ -0,0 +1,38 @@
+package com.clp.project.ast.nodes;
+
+import java.util.ArrayList;
+
+import com.clp.project.semanticanalysis.SemanticError;
+import com.clp.project.semanticanalysis.SymbolTable;
+import com.clp.project.ast.types.*;
+
+/**
+ * Node for `block` statement of the grammar.
+ * It extends the `RootNode`.
+ */
+public class BlockNode extends RootNode implements Node {
+    public BlockNode(ArrayList<Node> stmts, ArrayList<Node> compoundStmts) {
+        super(stmts, compoundStmts);
+    }
+
+    @Override
+    public Type typeCheck() {
+        return new VoidType();
+    }
+
+    @Override
+    public String toPrint(String prefix) {
+        String str = prefix + "Block\n";
+
+        prefix += "  ";
+        for (Node stmt : stmts) {
+            str += stmt.toPrint(prefix);
+        }
+        for (Node stmt : compoundStmts) {
+            str += stmt.toPrint(prefix);
+        }
+
+        return str;
+    }
+
+}