23791094507

Committed 31 Mar 2026 09:46AM UTC coverage: 62.934% (+2.5%) from 60.472%

Build # 23791094507

Build Type

Pull #129

github

Committed by

web-flow

Commit Message

Merge 6001bed20 into 0e5a36381

Pull Request Pull Request #129: Add new standard library functions

Coverage Stats

781 of 1453 branches covered (53.75%)

Branch coverage included in aggregate %.

69 of 112 new or added lines in 8 files covered. (61.61%)

3 existing lines in 2 files now uncovered.

2552 of 3843 relevant lines covered (66.41%)

3449.79 hits per line

Source File
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70.0

/src/stdlib/stream.ts

import { Context } from "../cse-machine/context";
import { ControlItem } from "../cse-machine/control";
import { BuiltinValue, ListValue, NoneValue, Value } from "../cse-machine/stash";
import { minArgMap, Validate } from "../stdlib";
import streamPrelude from "./stream.prelude";
import { Group, GroupName } from "./utils";

const streamBuiltins = new Map<string, BuiltinValue>();

class StreamBuiltins {
  @Validate(0, null, "stream", true)
  static stream(
    args: Value[],
    source: string,
    command: ControlItem,
    context: Context,
  ): ListValue | NoneValue {
    if (args.length === 0) {
      return { type: "none" };
    }
    const head = args[0];
    return {
      type: "list",
      value: [
        head,
        {
          type: "builtin",
          name: "anonymous stream",
          minArgs: 0,
          func: () => StreamBuiltins.stream(args.slice(1), source, command, context),
        },
      ],
    };
  }
}
for (const builtin of Object.getOwnPropertyNames(StreamBuiltins)) {
  if (
    typeof StreamBuiltins[builtin as keyof typeof StreamBuiltins] === "function" &&
    !builtin.startsWith("_")
  ) {
    streamBuiltins.set(builtin, {
      type: "builtin",
      func: StreamBuiltins[builtin as keyof typeof StreamBuiltins] as BuiltinValue["func"],
      name: builtin,
      minArgs: minArgMap.get(builtin) || 0,
    });
  }
}
export default {
  name: GroupName.STREAMS,
  prelude: streamPrelude,
  builtins: streamBuiltins,
} as Group;

1	import { Context } from "../cse-machine/context";
2	import { ControlItem } from "../cse-machine/control";
3	import { BuiltinValue, ListValue, NoneValue, Value } from "../cse-machine/stash";
4	import { minArgMap, Validate } from "../stdlib";	1✔
5	import streamPrelude from "./stream.prelude";	1✔
6	import { Group, GroupName } from "./utils";	1✔
7
8	const streamBuiltins = new Map<string, BuiltinValue>();	1✔
9
10	class StreamBuiltins {
11	@Validate(0, null, "stream", true)
12	static stream(	1✔
13	args: Value[],
14	source: string,
15	command: ControlItem,
16	context: Context,
17	): ListValue \| NoneValue {
18	if (args.length === 0) {	×
19	return { type: "none" };	×
20	}
21	const head = args[0];	×
22	return {	×
23	type: "list",
24	value: [
25	head,
26	{
27	type: "builtin",
28	name: "anonymous stream",
29	minArgs: 0,
UNCOV 30	func: () => StreamBuiltins.stream(args.slice(1), source, command, context),	×
31	},
32	],
33	};
34	}
35	}
36	for (const builtin of Object.getOwnPropertyNames(StreamBuiltins)) {	1✔
37	if (	4✔
38	typeof StreamBuiltins[builtin as keyof typeof StreamBuiltins] === "function" &&	5✔
39	!builtin.startsWith("_")
40	) {
41	streamBuiltins.set(builtin, {	1✔
42	type: "builtin",
43	func: StreamBuiltins[builtin as keyof typeof StreamBuiltins] as BuiltinValue["func"],
44	name: builtin,
45	minArgs: minArgMap.get(builtin) \|\| 0,	2✔
46	});
47	}
48	}
49	export default {	1✔
50	name: GroupName.STREAMS,
51	prelude: streamPrelude,
52	builtins: streamBuiltins,
53	} as Group;

source-academy / py-slang / 23791094507

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