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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48.28

/src/stdlib/list.ts

import { Context } from "../cse-machine/context";
import { ControlItem } from "../cse-machine/control";
import { BigIntValue, BoolValue, BuiltinValue, Value } from "../cse-machine/stash";
import { Validate } from "../stdlib";
import listPrelude from "./list.prelude";
import { Group, GroupName } from "./utils";

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

class ListBuiltins {
  @Validate(1, 1, "list_length", true)
  static list_length(
    args: Value[],
    _source: string,
    _command: ControlItem,
    _context: Context,
  ): BigIntValue {
    const list = args[0];
    if (list.type !== "list") {
      throw new Error("list_length expects a list as the first argument");
    }
    return { type: "bigint", value: BigInt(list.value.length) };
  }

  @Validate(1, 1, "is_list", true)
  static is_list(
    args: Value[],
    _source: string,
    _command: ControlItem,
    _context: Context,
  ): BoolValue {
    const list = args[0];
    return { type: "bool", value: list.type === "list" };
  }

  // A helper function to generate a list of a given length
  @Validate(1, 1, "_gen_list", true)
  static _gen_list(
    args: Value[],
    _source: string,
    _command: ControlItem,
    _context: Context,
  ): Value {
    const length = args[0];
    if (length.type !== "bigint") {
      throw new Error("_gen_list expects a bigint as the first argument");
    }
    const list: Value[] = [];
    for (let i = BigInt(0); i < length.value; i++) {
      list.push({ type: "none" });
    }
    return { type: "list", value: list };
  }
}
for (const builtin of Object.getOwnPropertyNames(ListBuiltins)) {
  if (
    typeof ListBuiltins[builtin as keyof typeof ListBuiltins] === "function" &&
    !builtin.startsWith("_")
  ) {
    listBuiltins.set(builtin, {
      type: "builtin",
      func: ListBuiltins[builtin as keyof typeof ListBuiltins] as BuiltinValue["func"],
      name: builtin,
    });
  }
}
export default {
  name: GroupName.LIST,
  prelude: listPrelude,
  builtins: listBuiltins,
} as Group;

1	import { Context } from "../cse-machine/context";
2	import { ControlItem } from "../cse-machine/control";
3	import { BigIntValue, BoolValue, BuiltinValue, Value } from "../cse-machine/stash";
4	import { Validate } from "../stdlib";	1✔
5	import listPrelude from "./list.prelude";	1✔
6	import { Group, GroupName } from "./utils";	1✔
7
8	const listBuiltins = new Map<string, BuiltinValue>();	1✔
9
10	class ListBuiltins {
11	@Validate(1, 1, "list_length", true)
12	static list_length(	1✔
13	args: Value[],
14	_source: string,
15	_command: ControlItem,
16	_context: Context,
17	): BigIntValue {
NEW 18	const list = args[0];	×
NEW 19	if (list.type !== "list") {	×
NEW 20	throw new Error("list_length expects a list as the first argument");	×
21	}
NEW 22	return { type: "bigint", value: BigInt(list.value.length) };	×
23	}
24
25	@Validate(1, 1, "is_list", true)
26	static is_list(	1✔
27	args: Value[],
28	_source: string,
29	_command: ControlItem,
30	_context: Context,
31	): BoolValue {
NEW 32	const list = args[0];	×
NEW 33	return { type: "bool", value: list.type === "list" };	×
34	}
35
36	// A helper function to generate a list of a given length
37	@Validate(1, 1, "_gen_list", true)
38	static _gen_list(	1✔
39	args: Value[],
40	_source: string,
41	_command: ControlItem,
42	_context: Context,
43	): Value {
NEW 44	const length = args[0];	×
NEW 45	if (length.type !== "bigint") {	×
NEW 46	throw new Error("_gen_list expects a bigint as the first argument");	×
47	}
NEW 48	const list: Value[] = [];	×
NEW 49	for (let i = BigInt(0); i < length.value; i++) {	×
NEW 50	list.push({ type: "none" });	×
51	}
NEW 52	return { type: "list", value: list };	×
53	}
54	}
55	for (const builtin of Object.getOwnPropertyNames(ListBuiltins)) {	1✔
56	if (	6✔
57	typeof ListBuiltins[builtin as keyof typeof ListBuiltins] === "function" &&	9✔
58	!builtin.startsWith("_")
59	) {
60	listBuiltins.set(builtin, {	2✔
61	type: "builtin",
62	func: ListBuiltins[builtin as keyof typeof ListBuiltins] as BuiltinValue["func"],
63	name: builtin,
64	});
65	}
66	}
67	export default {	1✔
68	name: GroupName.LIST,
69	prelude: listPrelude,
70	builtins: listBuiltins,
71	} as Group;

source-academy / py-slang / 23715716818

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