Remove flow

This commit is contained in:
Sam Goldman
2016-03-01 21:02:55 -08:00
parent 48e8db2247
commit d6ee428857
6 changed files with 43 additions and 94 deletions

View File

@@ -1,129 +1,83 @@
import type { TokContext } from "./context";
import type { Token } from "./index";
import { Position } from "../util/location";
import { types as ct } from "./context";
import { types as tt } from "./types";
export default class State {
init(options: Object, input: string) {
init(options, input) {
// TODO
this.strict = options.strictMode === false ? false : options.sourceType === "module";
// TODO
this.input = input;
// Used to signify the start of a potential arrow function
this.potentialArrowAt = -1;
// Flags to track whether we are in a function, a generator.
this.inMethod = this.inFunction = this.inGenerator = this.inAsync = false;
// Labels in scope.
this.labels = [];
// Leading decorators.
this.decorators = [];
// Token store.
this.tokens = [];
// Comment store.
this.comments = [];
// Comment attachment store
this.trailingComments = [];
this.leadingComments = [];
this.commentStack = [];
// The current position of the tokenizer in the input.
this.pos = this.lineStart = 0;
this.curLine = 1;
// Properties of the current token:
// Its type
this.type = tt.eof;
// For tokens that include more information than their type, the value
this.value = null;
// Its start and end offset
this.start = this.end = this.pos;
// And, if locations are used, the {line, column} object
// corresponding to those offsets
this.startLoc = this.endLoc = this.curPosition();
// Position information for the previous token
this.lastTokEndLoc = this.lastTokStartLoc = null;
this.lastTokStart = this.lastTokEnd = this.pos;
// The context stack is used to superficially track syntactic
// context to predict whether a regular expression is allowed in a
// given position.
this.context = [ct.b_stat];
this.exprAllowed = true;
this.containsEsc = this.containsOctal = false;
// Used to signal to callers of `readWord1` whether the word
// contained any escape sequences. This is needed because words with
// escape sequences must not be interpreted as keywords.
this.containsEsc = false;
// TODO
this.containsOctal = false;
this.octalPosition = null;
return this;
}
// TODO
strict: boolean;
// TODO
input: string;
// Used to signify the start of a potential arrow function
potentialArrowAt: number;
// Flags to track whether we are in a function, a generator.
inFunction: boolean;
inGenerator: boolean;
inMethod: boolean;
// Labels in scope.
labels: Array<Object>;
// Leading decorators.
decorators: Array<Object>;
// Token store.
tokens: Array<Object>;
// Comment store.
comments: Array<Object>;
// Comment attachment store
trailingComments: Array<Object>;
leadingComments: Array<Object>;
commentStack: Array<Object>;
// The current position of the tokenizer in the input.
pos: number;
lineStart: number;
curLine: number;
// Properties of the current token:
// Its type
type: Token;
// For tokens that include more information than their type, the value
value: any;
// Its start and end offset
start: number;
end: number;
// And, if locations are used, the {line, column} object
// corresponding to those offsets
startLoc: Position;
endLoc: Position;
// Position information for the previous token
lastTokEndLoc: ?Position;
lastTokStartLoc: ?Position;
lastTokStart: number;
lastTokEnd: number;
// The context stack is used to superficially track syntactic
// context to predict whether a regular expression is allowed in a
// given position.
context: Array<TokContext>;
exprAllowed: boolean;
// Used to signal to callers of `readWord1` whether the word
// contained any escape sequences. This is needed because words with
// escape sequences must not be interpreted as keywords.
containsEsc: boolean;
// TODO
containsOctal: boolean;
octalPosition: ?number;
curPosition() {
return new Position(this.curLine, this.pos - this.lineStart);
}
clone(skipArrays?) {
clone(skipArrays) {
let state = new State;
for (let key in this) {
let val = this[key];