1 files changed, 0 insertions, 236 deletions
diff --git a/node_modules/acorn/src/lval.js b/node_modules/acorn/src/lval.js
deleted file mode 100644
index 815d9966a..000000000
--- a/node_modules/acorn/src/lval.js
+++ /dev/null
@@ -1,236 +0,0 @@
-import {types as tt} from "./tokentype"
-import {Parser} from "./state"
-import {has} from "./util"
-
-const pp = Parser.prototype
-
-// Convert existing expression atom to assignable pattern
-// if possible.
-
-pp.toAssignable = function(node, isBinding) {
-  if (this.options.ecmaVersion >= 6 && node) {
-    switch (node.type) {
-    case "Identifier":
-      if (this.inAsync && node.name === "await")
-        this.raise(node.start, "Can not use 'await' as identifier inside an async function")
-      break
-
-    case "ObjectPattern":
-    case "ArrayPattern":
-      break
-
-    case "ObjectExpression":
-      node.type = "ObjectPattern"
-      for (let i = 0; i < node.properties.length; i++) {
-        let prop = node.properties[i]
-        if (prop.kind !== "init") this.raise(prop.key.start, "Object pattern can't contain getter or setter")
-        this.toAssignable(prop.value, isBinding)
-      }
-      break
-
-    case "ArrayExpression":
-      node.type = "ArrayPattern"
-      this.toAssignableList(node.elements, isBinding)
-      break
-
-    case "AssignmentExpression":
-      if (node.operator === "=") {
-        node.type = "AssignmentPattern"
-        delete node.operator
-        this.toAssignable(node.left, isBinding)
-        // falls through to AssignmentPattern
-      } else {
-        this.raise(node.left.end, "Only '=' operator can be used for specifying default value.")
-        break
-      }
-
-    case "AssignmentPattern":
-      break
-
-    case "ParenthesizedExpression":
-      node.expression = this.toAssignable(node.expression, isBinding)
-      break
-
-    case "MemberExpression":
-      if (!isBinding) break
-
-    default:
-      this.raise(node.start, "Assigning to rvalue")
-    }
-  }
-  return node
-}
-
-// Convert list of expression atoms to binding list.
-
-pp.toAssignableList = function(exprList, isBinding) {
-  let end = exprList.length
-  if (end) {
-    let last = exprList[end - 1]
-    if (last && last.type == "RestElement") {
-      --end
-    } else if (last && last.type == "SpreadElement") {
-      last.type = "RestElement"
-      let arg = last.argument
-      this.toAssignable(arg, isBinding)
-      if (arg.type !== "Identifier" && arg.type !== "MemberExpression" && arg.type !== "ArrayPattern")
-        this.unexpected(arg.start)
-      --end
-    }
-
-    if (isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier")
-      this.unexpected(last.argument.start)
-  }
-  for (let i = 0; i < end; i++) {
-    let elt = exprList[i]
-    if (elt) this.toAssignable(elt, isBinding)
-  }
-  return exprList
-}
-
-// Parses spread element.
-
-pp.parseSpread = function(refDestructuringErrors) {
-  let node = this.startNode()
-  this.next()
-  node.argument = this.parseMaybeAssign(false, refDestructuringErrors)
-  return this.finishNode(node, "SpreadElement")
-}
-
-pp.parseRest = function(allowNonIdent) {
-  let node = this.startNode()
-  this.next()
-
-  // RestElement inside of a function parameter must be an identifier
-  if (allowNonIdent) node.argument = this.type === tt.name ? this.parseIdent() : this.unexpected()
-  else node.argument = this.type === tt.name || this.type === tt.bracketL ? this.parseBindingAtom() : this.unexpected()
-
-  return this.finishNode(node, "RestElement")
-}
-
-// Parses lvalue (assignable) atom.
-
-pp.parseBindingAtom = function() {
-  if (this.options.ecmaVersion < 6) return this.parseIdent()
-  switch (this.type) {
-  case tt.name:
-    return this.parseIdent()
-
-  case tt.bracketL:
-    let node = this.startNode()
-    this.next()
-    node.elements = this.parseBindingList(tt.bracketR, true, true)
-    return this.finishNode(node, "ArrayPattern")
-
-  case tt.braceL:
-    return this.parseObj(true)
-
-  default:
-    this.unexpected()
-  }
-}
-
-pp.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowNonIdent) {
-  let elts = [], first = true
-  while (!this.eat(close)) {
-    if (first) first = false
-    else this.expect(tt.comma)
-    if (allowEmpty && this.type === tt.comma) {
-      elts.push(null)
-    } else if (allowTrailingComma && this.afterTrailingComma(close)) {
-      break
-    } else if (this.type === tt.ellipsis) {
-      let rest = this.parseRest(allowNonIdent)
-      this.parseBindingListItem(rest)
-      elts.push(rest)
-      if (this.type === tt.comma) this.raise(this.start, "Comma is not permitted after the rest element")
-      this.expect(close)
-      break
-    } else {
-      let elem = this.parseMaybeDefault(this.start, this.startLoc)
-      this.parseBindingListItem(elem)
-      elts.push(elem)
-    }
-  }
-  return elts
-}
-
-pp.parseBindingListItem = function(param) {
-  return param
-}
-
-// Parses assignment pattern around given atom if possible.
-
-pp.parseMaybeDefault = function(startPos, startLoc, left) {
-  left = left || this.parseBindingAtom()
-  if (this.options.ecmaVersion < 6 || !this.eat(tt.eq)) return left
-  let node = this.startNodeAt(startPos, startLoc)
-  node.left = left
-  node.right = this.parseMaybeAssign()
-  return this.finishNode(node, "AssignmentPattern")
-}
-
-// Verify that a node is an lval — something that can be assigned
-// to.
-// bindingType can be either:
-// 'var' indicating that the lval creates a 'var' binding
-// 'let' indicating that the lval creates a lexical ('let' or 'const') binding
-// 'none' indicating that the binding should be checked for illegal identifiers, but not for duplicate references
-
-pp.checkLVal = function(expr, bindingType, checkClashes) {
-  switch (expr.type) {
-  case "Identifier":
-    if (this.strict && this.reservedWordsStrictBind.test(expr.name))
-      this.raiseRecoverable(expr.start, (bindingType ? "Binding " : "Assigning to ") + expr.name + " in strict mode")
-    if (checkClashes) {
-      if (has(checkClashes, expr.name))
-        this.raiseRecoverable(expr.start, "Argument name clash")
-      checkClashes[expr.name] = true
-    }
-    if (bindingType && bindingType !== "none") {
-      if (
-        bindingType === "var" && !this.canDeclareVarName(expr.name) ||
-        bindingType !== "var" && !this.canDeclareLexicalName(expr.name)
-      ) {
-        this.raiseRecoverable(expr.start, `Identifier '${expr.name}' has already been declared`)
-      }
-      if (bindingType === "var") {
-        this.declareVarName(expr.name)
-      } else {
-        this.declareLexicalName(expr.name)
-      }
-    }
-    break
-
-  case "MemberExpression":
-    if (bindingType) this.raiseRecoverable(expr.start, (bindingType ? "Binding" : "Assigning to") + " member expression")
-    break
-
-  case "ObjectPattern":
-    for (let i = 0; i < expr.properties.length; i++)
-      this.checkLVal(expr.properties[i].value, bindingType, checkClashes)
-    break
-
-  case "ArrayPattern":
-    for (let i = 0; i < expr.elements.length; i++) {
-      let elem = expr.elements[i]
-      if (elem) this.checkLVal(elem, bindingType, checkClashes)
-    }
-    break
-
-  case "AssignmentPattern":
-    this.checkLVal(expr.left, bindingType, checkClashes)
-    break
-
-  case "RestElement":
-    this.checkLVal(expr.argument, bindingType, checkClashes)
-    break
-
-  case "ParenthesizedExpression":
-    this.checkLVal(expr.expression, bindingType, checkClashes)
-    break
-
-  default:
-    this.raise(expr.start, (bindingType ? "Binding" : "Assigning to") + " rvalue")
-  }
-}