Method emitFor

source/python.js:16845–16865

(...args)

                loop_guard.dispose();
            }
            emitFor(...args) {
                if (args.length === 1 && args[0] instanceof ast.For) {
                    const [stmt] = args;
                    const emit_body = () => this.emitStatements(stmt.body);
                    this.emitFor(stmt.target, stmt.iter, stmt.range(), emit_body);
                } else if (args.length === 4) {
                    const [targets, itrs, loc, emit_body] = args;
                    if (itrs instanceof ast.Tuple) {
                        throw new python.Error('List of iterables is not supported currently.');
                    }
                    const sv = this.emitSugaredExpr(itrs, 1);
                    const iterable = sv.iter(loc, this.method);
                    if (iterable.shouldEmitUnrolled()) {
                        this.emitUnrolledLoop(loc, emit_body, iterable, targets);
                    } else {
                        this.emitLoopCommon(loc, emit_body, iterable, [targets], null);
                    }
                } else {
                    throw new python.Error('Not implemented.');
                }
            }
            emitWhile(stmt) {
                const cond = stmt.test;
                const emit_body = () => this.emitStatements(stmt.body);