1 files changed, 46 insertions, 0 deletions
diff --git a/src/ast/nodes/WhileStmtNode.java b/src/ast/nodes/WhileStmtNode.java
new file mode 100644
index 0000000..a84d60e
--- /dev/null
+++ b/src/ast/nodes/WhileStmtNode.java
@@ -0,0 +1,46 @@
+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 the `while_stmt` statement of the grammar.
+ */
+public class WhileStmtNode implements Node {
+    private Node expr;
+    private Node block;
+
+    public WhileStmtNode(Node expr, Node block) {
+        this.expr = expr;
+        this.block = block;
+    }
+
+    @Override
+    public ArrayList<SemanticError> checkSemantics(SymbolTable ST, int _nesting) {
+        ArrayList<SemanticError> errors = new ArrayList<SemanticError>();
+
+        errors.addAll(expr.checkSemantics(ST, _nesting));
+        errors.addAll(block.checkSemantics(ST, _nesting));
+
+        return errors;
+    }
+
+    @Override
+    public Type typeCheck() {
+        return new VoidType();
+    }
+
+    // TODO: add code generation for while
+    @Override
+    public String codeGeneration() {
+        return "";
+    }
+
+    @Override
+    public String toPrint(String prefix) {
+        return prefix + "While\n" + expr.toPrint(prefix + "  ") + block.toPrint(prefix + "  ");
+    }
+}