23715716818

Committed 29 Mar 2026 06:13PM UTC coverage: 59.421% (+18.2%) from 41.233%

Build # 23715716818

Build Type

Pull #81

github

Committed by

web-flow

Commit Message

Merge 576c7e6fc into 7b1e59a17

Pull Request Pull Request #81: Python chapter 2 (+ 3?) support

Coverage Stats

779 of 1553 branches covered (50.16%)

Branch coverage included in aggregate %.

442 of 651 new or added lines in 32 files covered. (67.9%)

17 existing lines in 4 files now uncovered.

2400 of 3797 relevant lines covered (63.21%)

3195.38 hits per line

Source File
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66.67

/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 { 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",
          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,
    });
  }
}
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 { 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 {
NEW 18	if (args.length === 0) {	×
NEW 19	return { type: "none" };	×
20	}
NEW 21	const head = args[0];	×
NEW 22	return {	×
23	type: "list",
24	value: [
25	head,
26	{
27	type: "builtin",
28	name: "anonymous stream",
NEW 29	func: () => StreamBuiltins.stream(args.slice(1), source, command, context),	×
30	},
31	],
32	};
33	}
34	}
35	for (const builtin of Object.getOwnPropertyNames(StreamBuiltins)) {	1✔
36	if (	4✔
37	typeof StreamBuiltins[builtin as keyof typeof StreamBuiltins] === "function" &&	5✔
38	!builtin.startsWith("_")
39	) {
40	streamBuiltins.set(builtin, {	1✔
41	type: "builtin",
42	func: StreamBuiltins[builtin as keyof typeof StreamBuiltins] as BuiltinValue["func"],
43	name: builtin,
44	});
45	}
46	}
47	export default {	1✔
48	name: GroupName.STREAMS,
49	prelude: streamPrelude,
50	builtins: streamBuiltins,
51	} as Group;

source-academy / py-slang / 23715716818

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