module support

ast/ast.go

@@ -428,3 +428,25 @@ func (c *Comment) String() string {
 
 	return out.String()
 }
+
+// ImportExpression represents an `import` expression and holds the name
+// of the module being imported.
+type ImportExpression struct {
+	Token token.Token // The 'import' token
+	Name  Expression
+}
+
+func (ie *ImportExpression) TokenLiteral() string {
+	return ie.Token.Literal
+}
+func (ie *ImportExpression) String() string {
+	var out bytes.Buffer
+
+	out.WriteString(ie.TokenLiteral())
+	out.WriteString("(")
+	out.WriteString(fmt.Sprintf("\"%s\"", ie.Name))
+	out.WriteString(")")
+
+	return out.String()
+}
+func (ie *ImportExpression) expressionNode() {}