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Use locals for readability

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This commit is contained in:
Tangent Wantwight 2023-07-29 13:50:13 -04:00
parent 9333357e44
commit 97aca502a8
1 changed files with 24 additions and 27 deletions
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51
notcl.js
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@ -6,34 +6,34 @@
*/
var Notcl = (() => {
const InterCommandWhitespace = Peg.Regex(/\s+/y);
const { AtLeast, Choose, End, Map, Regex, Sequence } = Peg;
const Comment = Peg.Regex(/#.*\n/y);
const InterCommandWhitespace = Regex(/\s+/y);
const PreCommand = Peg.AtLeast(
0,
Peg.Choose(InterCommandWhitespace, Comment)
);
const Comment = Regex(/#.*\n/y);
const PreWordWhitespace = Peg.Regex(/[^\S\n;]*/y);
const PreCommand = AtLeast(0, Choose(InterCommandWhitespace, Comment));
const BasicWord = Peg.Map(Peg.Regex(/[^\s;]+/y), ([word]) => ({
const PreWordWhitespace = Regex(/[^\S\n;]*/y);
const BasicWord = Map(Regex(/[^\s;]+/y), ([word]) => ({
text: word,
}));
// WIP, need to be able to escape braces correctly
// WIP, error if anything after closing brace
const BracePattern = Peg.Map(
Peg.Sequence(
Peg.Regex(/\{/y),
Peg.AtLeast(
const BracePattern = Map(
Sequence(
Regex(/\{/y),
AtLeast(
0,
Peg.Choose(
Peg.Map(Brace, (text) => `{${text}}`),
Peg.Map(Peg.Regex(/[^{}]+/y), ([text]) => text)
Choose(
Map(Brace, (text) => `{${text}}`),
Map(Regex(/[^{}]+/y), ([text]) => text)
)
),
Peg.Regex(/\}/y)
Regex(/\}/y)
),
([_left, fragments, _right]) => fragments.join("")
);
@ -45,11 +45,11 @@ var Notcl = (() => {
return BracePattern(source, index);
}
const Word = Peg.Map(
Peg.Sequence(
const Word = Map(
Sequence(
PreWordWhitespace,
Peg.Choose(
Peg.Map(BracePattern, (text) => ({
Choose(
Map(BracePattern, (text) => ({
text,
})),
BasicWord
@ -58,16 +58,13 @@ var Notcl = (() => {
([_, word]) => word
);
const CommandTerminator = Peg.Sequence(
const CommandTerminator = Sequence(
PreWordWhitespace,
Peg.Choose(
/** @type {Peg.Pattern<unknown>} */ (Peg.Regex(/[\n;]/y)),
Peg.End
)
Choose(/** @type {Peg.Pattern<unknown>} */ (Regex(/[\n;]/y)), End)
);
const Command = Peg.Map(
Peg.Sequence(PreCommand, Peg.AtLeast(0, Word), CommandTerminator),
const Command = Map(
Sequence(PreCommand, AtLeast(0, Word), CommandTerminator),
([_padding, words, _end]) => words
);