1 files changed, 84 insertions, 0 deletions
diff --git a/src/ast/nodes/SimpleStmtNode.java b/src/ast/nodes/SimpleStmtNode.java
new file mode 100644
index 0000000..3f4dec3
--- /dev/null
+++ b/src/ast/nodes/SimpleStmtNode.java
@@ -0,0 +1,84 @@
+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 `simple_stmt` statement of the grammar.
+ */
+public class SimpleStmtNode implements Node {
+    private Node assignment;
+    private Node expr;
+    private Node returnStmt;
+    private Node importStmt;
+
+    public SimpleStmtNode(Node assignment, Node expr, Node returnStmt, Node importStmt) {
+        this.assignment = assignment;
+        this.expr = expr;
+        this.returnStmt = returnStmt;
+        this.importStmt = importStmt;
+    }
+
+    @Override
+    public ArrayList<SemanticError> checkSemantics(SymbolTable ST, int _nesting) {
+        ArrayList<SemanticError> errors = new ArrayList<SemanticError>();
+
+        if (assignment != null) {
+            errors.addAll(assignment.checkSemantics(ST, _nesting));
+        }
+
+        if (expr != null) {
+            errors.addAll(expr.checkSemantics(ST, _nesting));
+        }
+
+        if (returnStmt != null) {
+            errors.addAll(returnStmt.checkSemantics(ST, _nesting));
+        }
+
+        if (importStmt != null) {
+            errors.addAll(importStmt.checkSemantics(ST, _nesting));
+        }
+
+        return errors;
+    }
+
+    @Override
+    public Type typeCheck() {
+        return new VoidType();
+    }
+
+    // TODO: add code generation for SimpleStmtNode
+    @Override
+    public String codeGeneration() {
+        return "";
+    }
+
+    @Override
+    public String toPrint(String prefix) {
+        String str = prefix + "SimpleStmt\n";
+
+        prefix += "  ";
+
+        if (assignment != null) {
+            str += assignment.toPrint(prefix);
+        }
+
+        if (expr != null) {
+            str += expr.toPrint(prefix);
+        }
+
+        if (returnStmt != null) {
+            str += returnStmt.toPrint(prefix);
+        }
+
+        if (importStmt != null) {
+            str += importStmt.toPrint(prefix);
+        }
+
+        return str;
+    }
+
+}