diff --git a/prebuilt/iot-gateway/node_modules/acorn/src/tokencontext.js b/prebuilt/iot-gateway/node_modules/acorn/src/tokencontext.js
+++ /dev/null
@@ -1,107 +0,0 @@
-// The algorithm used to determine whether a regexp can appear at a
-// given point in the program is loosely based on sweet.js' approach.
-// See https://github.com/mozilla/sweet.js/wiki/design
-
-import {Parser} from "./state"
-import {types as tt} from "./tokentype"
-import {lineBreak} from "./whitespace"
-
-export class TokContext {
- constructor(token, isExpr, preserveSpace, override) {
- this.token = token
- this.isExpr = isExpr
- this.preserveSpace = preserveSpace
- this.override = override
- }
-}
-
-export const types = {
- b_stat: new TokContext("{", false),
- b_expr: new TokContext("{", true),
- b_tmpl: new TokContext("${", true),
- p_stat: new TokContext("(", false),
- p_expr: new TokContext("(", true),
- q_tmpl: new TokContext("`", true, true, p => p.readTmplToken()),
- f_expr: new TokContext("function", true)
-}
-
-const pp = Parser.prototype
-
-pp.initialContext = function() {
- return [types.b_stat]
-}
-
-pp.braceIsBlock = function(prevType) {
- let parent
- if (prevType === tt.colon && (parent = this.curContext()).token == "{")
- return !parent.isExpr
- if (prevType === tt._return)
- return lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
- if (prevType === tt._else || prevType === tt.semi || prevType === tt.eof)
- return true
- if (prevType == tt.braceL)
- return this.curContext() === types.b_stat
- return !this.exprAllowed
-}
-
-pp.updateContext = function(prevType) {
- let update, type = this.type
- if (type.keyword && prevType == tt.dot)
- this.exprAllowed = false
- else if (update = type.updateContext)
- update.call(this, prevType)
- else
- this.exprAllowed = type.beforeExpr
-}
-
-// Token-specific context update code
-
-tt.parenR.updateContext = tt.braceR.updateContext = function() {
- if (this.context.length == 1) {
- this.exprAllowed = true
- return
- }
- let out = this.context.pop()
- if (out === types.b_stat && this.curContext() === types.f_expr) {
- this.context.pop()
- this.exprAllowed = false
- } else if (out === types.b_tmpl) {
- this.exprAllowed = true
- } else {
- this.exprAllowed = !out.isExpr
- }
-}
-
-tt.braceL.updateContext = function(prevType) {
- this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr)
- this.exprAllowed = true
-}
-
-tt.dollarBraceL.updateContext = function() {
- this.context.push(types.b_tmpl)
- this.exprAllowed = true
-}
-
-tt.parenL.updateContext = function(prevType) {
- let statementParens = prevType === tt._if || prevType === tt._for || prevType === tt._with || prevType === tt._while
- this.context.push(statementParens ? types.p_stat : types.p_expr)
- this.exprAllowed = true
-}
-
-tt.incDec.updateContext = function() {
- // tokExprAllowed stays unchanged
-}
-
-tt._function.updateContext = function() {
- if (this.curContext() !== types.b_stat)
- this.context.push(types.f_expr)
- this.exprAllowed = false
-}
-
-tt.backQuote.updateContext = function() {
- if (this.curContext() === types.q_tmpl)
- this.context.pop()
- else
- this.context.push(types.q_tmpl)
- this.exprAllowed = false
-}