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Remove input and length from state (#9646)

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This commit is contained in:
Daniel Tschinder
2019-03-11 00:42:42 -07:00
committed by GitHub
parent ec318d01fa
commit cf4bd8bb8d
11 changed files with 147 additions and 182 deletions
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25
packages/babel-parser/src/parser/statement.js
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@@ -73,7 +73,7 @@ export default class StatementParser extends ExpressionParser {
const directiveLiteral = this.startNodeAt(expr.start, expr.loc.start);
const directive = this.startNodeAt(stmt.start, stmt.loc.start);
const raw = this.state.input.slice(expr.start, expr.end);
const raw = this.input.slice(expr.start, expr.end);
const val = (directiveLiteral.value = raw.slice(1, -1)); // remove quotes
this.addExtra(directiveLiteral, "raw", raw);
@@ -105,10 +105,10 @@ export default class StatementParser extends ExpressionParser {
return false;
}
skipWhiteSpace.lastIndex = this.state.pos;
const skip = skipWhiteSpace.exec(this.state.input);
const skip = skipWhiteSpace.exec(this.input);
// $FlowIgnore
const next = this.state.pos + skip[0].length;
const nextCh = this.state.input.charCodeAt(next);
const nextCh = this.input.charCodeAt(next);
// For ambiguous cases, determine if a LexicalDeclaration (or only a
// Statement) is allowed here. If context is not empty then only a Statement
// is allowed. However, `let [` is an explicit negative lookahead for
@@ -120,10 +120,10 @@ export default class StatementParser extends ExpressionParser {
if (isIdentifierStart(nextCh)) {
let pos = next + 1;
while (isIdentifierChar(this.state.input.charCodeAt(pos))) {
while (isIdentifierChar(this.input.charCodeAt(pos))) {
++pos;
}
const ident = this.state.input.slice(next, pos);
const ident = this.input.slice(next, pos);
if (!keywordRelationalOperator.test(ident)) return true;
}
return false;
@@ -649,9 +649,7 @@ export default class StatementParser extends ExpressionParser {
parseThrowStatement(node: N.ThrowStatement): N.ThrowStatement {
this.next();
if (
lineBreak.test(
this.state.input.slice(this.state.lastTokEnd, this.state.start),
)
lineBreak.test(this.input.slice(this.state.lastTokEnd, this.state.start))
) {
this.raise(this.state.lastTokEnd, "Illegal newline after throw");
}
@@ -1747,19 +1745,20 @@ export default class StatementParser extends ExpressionParser {
isAsyncFunction(): boolean {
if (!this.isContextual("async")) return false;
const { input, pos, length } = this.state;
const { pos } = this.state;
skipWhiteSpace.lastIndex = pos;
const skip = skipWhiteSpace.exec(input);
const skip = skipWhiteSpace.exec(this.input);
if (!skip || !skip.length) return false;
const next = pos + skip[0].length;
return (
!lineBreak.test(input.slice(pos, next)) &&
input.slice(next, next + 8) === "function" &&
(next + 8 === length || !isIdentifierChar(input.charCodeAt(next + 8)))
!lineBreak.test(this.input.slice(pos, next)) &&
this.input.slice(next, next + 8) === "function" &&
(next + 8 === this.length ||
!isIdentifierChar(this.input.charCodeAt(next + 8)))
);
}