23602772308

Committed 26 Mar 2026 03:27PM UTC coverage: 58.649% (+17.4%) from 41.233%

Build # 23602772308

Build Type

Pull #81

github

Committed by

web-flow

Commit Message

Merge 202b78ea9 into 553cb45dc

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

Coverage Stats

792 of 1640 branches covered (48.29%)

Branch coverage included in aggregate %.

427 of 594 new or added lines in 33 files covered. (71.89%)

17 existing lines in 4 files now uncovered.

2395 of 3794 relevant lines covered (63.13%)

3055.64 hits per line

Source File
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41.94

/src/stdlib/pairmutator.ts

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

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

class PairmutatorBuiltins {
  @Validate(2, 2, "set_head", true)
  static set_head(
    args: Value[],
    _source: string,
    _command: ControlItem,
    _context: Context,
  ): NoneValue {
    const head = args[0];
    const tail = args[1];
    if (head.type !== "list" || head.value.length !== 2) {
      throw new Error("set_head expects a pair as the first argument");
    }
    head.value[0] = tail;
    return { type: "none" };
  }

  @Validate(2, 2, "set_tail", true)
  static set_tail(
    args: Value[],
    _source: string,
    _command: ControlItem,
    _context: Context,
  ): NoneValue {
    const head = args[0];
    const tail = args[1];
    if (head.type !== "list" || head.value.length !== 2) {
      throw new Error("set_tail expects a pair as the first argument");
    }
    head.value[1] = tail;
    return { type: "none" };
  }
}
for (const builtin of Object.getOwnPropertyNames(PairmutatorBuiltins)) {
  if (
    typeof PairmutatorBuiltins[builtin as keyof typeof PairmutatorBuiltins] === "function" &&
    !builtin.startsWith("_")
  ) {
    pairmutatorBuiltins.set(builtin, {
      type: "builtin",
      func: PairmutatorBuiltins[
        builtin as keyof typeof PairmutatorBuiltins
      ] as BuiltinValue["func"],
      name: builtin,
    });
  }
}
export default {
  name: GroupName.PAIRMUTATORS,
  prelude: pairmutatorPrelude,
  builtins: pairmutatorBuiltins,
} as Group;

1	import { Context } from "../cse-machine/context";
2	import { ControlItem } from "../cse-machine/control";
3	import { BuiltinValue, NoneValue, Value } from "../cse-machine/stash";
4	import { Validate } from "../stdlib";	1✔
5	import pairmutatorPrelude from "./pairmutator.prelude";	1✔
6	import { Group, GroupName } from "./utils";	1✔
7
8	const pairmutatorBuiltins = new Map<string, BuiltinValue>();	1✔
9
10	class PairmutatorBuiltins {
11	@Validate(2, 2, "set_head", true)
12	static set_head(	1✔
13	args: Value[],
14	_source: string,
15	_command: ControlItem,
16	_context: Context,
17	): NoneValue {
NEW 18	const head = args[0];	×
NEW 19	const tail = args[1];	×
NEW 20	if (head.type !== "list" \|\| head.value.length !== 2) {	×
NEW 21	throw new Error("set_head expects a pair as the first argument");	×
22	}
NEW 23	head.value[0] = tail;	×
NEW 24	return { type: "none" };	×
25	}
26
27	@Validate(2, 2, "set_tail", true)
28	static set_tail(	1✔
29	args: Value[],
30	_source: string,
31	_command: ControlItem,
32	_context: Context,
33	): NoneValue {
NEW 34	const head = args[0];	×
NEW 35	const tail = args[1];	×
NEW 36	if (head.type !== "list" \|\| head.value.length !== 2) {	×
NEW 37	throw new Error("set_tail expects a pair as the first argument");	×
38	}
NEW 39	head.value[1] = tail;	×
NEW 40	return { type: "none" };	×
41	}
42	}
43	for (const builtin of Object.getOwnPropertyNames(PairmutatorBuiltins)) {	1✔
44	if (	5✔
45	typeof PairmutatorBuiltins[builtin as keyof typeof PairmutatorBuiltins] === "function" &&	7✔
46	!builtin.startsWith("_")
47	) {
48	pairmutatorBuiltins.set(builtin, {	2✔
49	type: "builtin",
50	func: PairmutatorBuiltins[
51	builtin as keyof typeof PairmutatorBuiltins
52	] as BuiltinValue["func"],
53	name: builtin,
54	});
55	}
56	}
57	export default {	1✔
58	name: GroupName.PAIRMUTATORS,
59	prelude: pairmutatorPrelude,
60	builtins: pairmutatorBuiltins,
61	} as Group;

source-academy / py-slang / 23602772308

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