1 files changed, 76 insertions, 0 deletions
diff --git a/src/ast/nodes/ImportNode.java b/src/ast/nodes/ImportNode.java
new file mode 100644
index 0000000..e6ac8c7
--- /dev/null
+++ b/src/ast/nodes/ImportNode.java
@@ -0,0 +1,76 @@
+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 `import_stmt` statement of the grammar.
+ */
+public class ImportNode implements Node {
+    private Node dottedName;
+    private boolean isFrom;
+    private boolean importAs;
+    private boolean importAll;
+    private ArrayList<String> names;
+
+    public ImportNode(Node dottedName, boolean isFrom, boolean importAs, boolean importAll,
+            ArrayList<String> names) {
+        this.dottedName = dottedName;
+        this.isFrom = isFrom;
+        this.importAs = importAs;
+        this.importAll = importAll;
+        this.names = names;
+    }
+
+    @Override
+    public ArrayList<SemanticError> checkSemantics(SymbolTable ST, int _nesting) {
+        ArrayList<SemanticError> errors = new ArrayList<SemanticError>();
+
+        return errors;
+    }
+
+    @Override
+    public Type typeCheck() {
+        return new VoidType();
+    }
+
+    // NOTE: we do not want to provide a code generation for this statement
+    @Override
+    public String codeGeneration() {
+        return "";
+    }
+
+    @Override
+    public String toPrint(String prefix) {
+        String str = prefix + "Import\n";
+
+        prefix += "  ";
+        if (isFrom) {
+            str += prefix + "  From\n" + dottedName.toPrint(prefix + "  ");
+        } else {
+            str += dottedName.toPrint(prefix);
+        }
+
+        if (importAs) {
+            str += prefix + "  As " + names.get(0) + "\n";
+        }
+
+        if (importAll) {
+            str += prefix + "  All\n";
+        }
+
+        for (int i = 0; i < names.size(); ++i) {
+            if (i == 0 && importAs)
+                continue;
+
+            str += prefix + names.get(i) + "\n";
+        }
+
+        str += "\n";
+        return str;
+    }
+
+}