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src/parser/parser_lib.ts

Lines changed: 15 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@ import { MemoizationCacheResult, memoize } from "@std/cache/memoize";
33
import { ArrayResult, ArrayResultError } from "../array_result.ts";
44

55
type Source = Readonly<{ source: string; position: number }>;
6-
type ParserResult<T> = ArrayResult<Readonly<{ value: T; size: number }>>;
6+
type ParserResult<T> = ArrayResult<Readonly<{ value: T; length: number }>>;
77
type InnerParser<T> = (input: Source) => ParserResult<T>;
88

99
let source = "";
@@ -75,7 +75,7 @@ export class Parser<T> {
7575
map<U>(mapper: (value: T) => U): Parser<U> {
7676
return new Parser((source) =>
7777
this.rawParser(source)
78-
.map(({ value, size }) => ({ value: mapper(value), size }))
78+
.map(({ value, length }) => ({ value: mapper(value), length }))
7979
);
8080
}
8181
filter(mapper: (value: T) => boolean): Parser<T> {
@@ -87,15 +87,15 @@ export class Parser<T> {
8787
return new Parser((source) =>
8888
this
8989
.rawParser(source)
90-
.flatMap(({ value, size }) =>
90+
.flatMap(({ value, length }) =>
9191
mapper(value)
9292
.rawParser({
9393
source: source.source,
94-
position: source.position + size,
94+
position: source.position + length,
9595
})
96-
.map(({ value, size: addedSize }) => ({
96+
.map(({ value, length: addedLength }) => ({
9797
value,
98-
size: size + addedSize,
98+
length: length + addedLength,
9999
}))
100100
)
101101
);
@@ -133,13 +133,13 @@ export function error(error: ArrayResultError): Parser<never> {
133133
}
134134
export const empty = new Parser<never>(() => new ArrayResult());
135135
export const nothing = new Parser(() =>
136-
new ArrayResult([{ value: null, size: 0 }])
136+
new ArrayResult([{ value: null, length: 0 }])
137137
);
138138
export const emptyArray = nothing.map(() => []);
139139
export function lookAhead<T>(parser: Parser<T>): Parser<T> {
140140
return new Parser((source) =>
141141
parser.rawParser(source)
142-
.map(({ value }) => ({ value, size: 0 }))
142+
.map(({ value }) => ({ value, length: 0 }))
143143
);
144144
}
145145
export function lazy<T>(parser: () => Parser<T>): Parser<T> {
@@ -242,7 +242,7 @@ export function matchCapture(
242242
const sourceString = source.slice(position);
243243
const match = sourceString.match(newRegex);
244244
if (match != null) {
245-
return new ArrayResult([{ value: match, size: match[0].length }]);
245+
return new ArrayResult([{ value: match, length: match[0].length }]);
246246
} else {
247247
return new ArrayResult(
248248
new UnexpectedError(describeSource(sourceString), description),
@@ -264,7 +264,7 @@ export function matchString(
264264
) {
265265
return new ArrayResult([{
266266
value: match,
267-
size: match.length,
267+
length: match.length,
268268
}]);
269269
} else {
270270
return new ArrayResult(
@@ -279,13 +279,13 @@ export function matchString(
279279
export const everything = new Parser(({ source, position }) =>
280280
new ArrayResult([{
281281
value: source.slice(position),
282-
size: source.length - position,
282+
length: source.length - position,
283283
}])
284284
);
285285
export const character = match(/./us, "character");
286286
export const end = new Parser((source) =>
287287
source.position === source.source.length
288-
? new ArrayResult([{ value: null, size: 0 }])
288+
? new ArrayResult([{ value: null, length: 0 }])
289289
: new ArrayResult(
290290
new UnexpectedError(
291291
describeSource(source.source.slice(source.position)),
@@ -297,12 +297,12 @@ export function withSource<T>(
297297
parser: Parser<T>,
298298
): Parser<readonly [value: T, source: string]> {
299299
return new Parser((source) =>
300-
parser.rawParser(source).map(({ value, size }) => ({
300+
parser.rawParser(source).map(({ value, length }) => ({
301301
value: [
302302
value,
303-
source.source.slice(source.position, source.position + size),
303+
source.source.slice(source.position, source.position + length),
304304
] as const,
305-
size,
305+
length,
306306
}))
307307
);
308308
}

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