Method expr_as_stmt

hy/compiler.py:223–237

Convert the Result's expression context to a statement This is useful when we want to use the stored expression in a statement context (for instance in a code branch). We drop ast.Names if they are appended to statements, as they can't have any side effect. "Bare" n

(self)

        )

    def expr_as_stmt(self):
        """Convert the Result's expression context to a statement

        This is useful when we want to use the stored expression in a
        statement context (for instance in a code branch).

        We drop ast.Names if they are appended to statements, as they
        can't have any side effect. "Bare" names still get converted to
        statements.

        If there is no expression context, return an empty result.
        """
        if self.expr and not (isinstance(self.expr, ast.Name) and self.stmts):
            return Result() + asty.Expr(self.expr, value=self.expr)
        return Result()

    def rename(self, compiler, new_name):
        """Rename the Result's temporary variables to a `new_name`.