kopia lustrzana https://github.com/c9/core
commit
a6599c050d
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@ -150,7 +150,7 @@ pp.parseMaybeConditional = function (noIn, refDestructuringErrors) {
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pp.parseExprOps = function (noIn, refDestructuringErrors) {
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var startPos = this.start,
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startLoc = this.startLoc;
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var expr = this.parseMaybeUnary(refDestructuringErrors);
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var expr = this.parseMaybeUnary(refDestructuringErrors, false);
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if (this.checkExpressionErrors(refDestructuringErrors)) return expr;
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return this.parseExprOp(expr, startPos, startLoc, -1, noIn);
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};
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@ -165,49 +165,58 @@ pp.parseExprOp = function (left, leftStartPos, leftStartLoc, minPrec, noIn) {
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var prec = this.type.binop;
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if (prec != null && (!noIn || this.type !== _tokentype.types._in)) {
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if (prec > minPrec) {
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var node = this.startNodeAt(leftStartPos, leftStartLoc);
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node.left = left;
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node.operator = this.value;
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var op = this.type;
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var logical = this.type === _tokentype.types.logicalOR || this.type === _tokentype.types.logicalAND;
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var op = this.value;
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this.next();
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var startPos = this.start,
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startLoc = this.startLoc;
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node.right = this.parseExprOp(this.parseMaybeUnary(), startPos, startLoc, prec, noIn);
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this.finishNode(node, op === _tokentype.types.logicalOR || op === _tokentype.types.logicalAND ? "LogicalExpression" : "BinaryExpression");
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var right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn);
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var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical);
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return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn);
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}
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}
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return left;
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};
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pp.buildBinary = function (startPos, startLoc, left, right, op, logical) {
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var node = this.startNodeAt(startPos, startLoc);
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node.left = left;
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node.operator = op;
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node.right = right;
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return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression");
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};
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// Parse unary operators, both prefix and postfix.
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pp.parseMaybeUnary = function (refDestructuringErrors) {
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pp.parseMaybeUnary = function (refDestructuringErrors, sawUnary) {
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var startPos = this.start,
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startLoc = this.startLoc,
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expr = undefined;
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if (this.type.prefix) {
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var node = this.startNode(),
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update = this.type === _tokentype.types.incDec;
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node.operator = this.value;
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node.prefix = true;
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this.next();
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node.argument = this.parseMaybeUnary();
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node.argument = this.parseMaybeUnary(null, true);
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this.checkExpressionErrors(refDestructuringErrors, true);
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if (update) this.checkLVal(node.argument);else if (this.strict && node.operator === "delete" && node.argument.type === "Identifier") this.raiseRecoverable(node.start, "Deleting local variable in strict mode");
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return this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
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if (update) this.checkLVal(node.argument);else if (this.strict && node.operator === "delete" && node.argument.type === "Identifier") this.raiseRecoverable(node.start, "Deleting local variable in strict mode");else sawUnary = true;
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expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
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} else {
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expr = this.parseExprSubscripts(refDestructuringErrors);
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if (this.checkExpressionErrors(refDestructuringErrors)) return expr;
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while (this.type.postfix && !this.canInsertSemicolon()) {
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var node = this.startNodeAt(startPos, startLoc);
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node.operator = this.value;
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node.prefix = false;
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node.argument = expr;
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this.checkLVal(expr);
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this.next();
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expr = this.finishNode(node, "UpdateExpression");
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}
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}
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var startPos = this.start,
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startLoc = this.startLoc;
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var expr = this.parseExprSubscripts(refDestructuringErrors);
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if (this.checkExpressionErrors(refDestructuringErrors)) return expr;
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while (this.type.postfix && !this.canInsertSemicolon()) {
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var node = this.startNodeAt(startPos, startLoc);
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node.operator = this.value;
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node.prefix = false;
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node.argument = expr;
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this.checkLVal(expr);
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this.next();
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expr = this.finishNode(node, "UpdateExpression");
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}
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return expr;
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if (!sawUnary && this.eat(_tokentype.types.starstar)) return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), "**", false);else return expr;
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};
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// Parse call, dot, and `[]`-subscript expressions.
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@ -275,6 +284,7 @@ pp.parseExprAtom = function (refDestructuringErrors) {
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if (this.value == "async" && /^[ \t]*(function\b|\(|\w+[ \t]*=>)/.test(this.input.slice(this.end))) {
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node = this.startNode();
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this.next();
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this.potentialArrowAt = this.start;
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return this.parseExprAtom(refDestructuringErrors);
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}
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if (this.value == "await" && /^[ \t]+[\w\x1f-\uffff]/.test(this.input.slice(this.end))) {
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@ -710,6 +720,7 @@ var reservedWords = {
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3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",
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5: "class enum extends super const export import",
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6: "enum",
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7: "enum",
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strict: "implements interface let package private protected public static yield",
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strictBind: "eval arguments"
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};
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@ -831,7 +842,7 @@ var _whitespace = _dereq_("./whitespace");
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exports.isNewLine = _whitespace.isNewLine;
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exports.lineBreak = _whitespace.lineBreak;
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exports.lineBreakG = _whitespace.lineBreakG;
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var version = "2.7.1";
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var version = "3.0.2";
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exports.version = version;
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// The main exported interface (under `self.acorn` when in the
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@ -1708,6 +1719,9 @@ pp.parseStatement = function (declaration, topLevel) {
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// simply start parsing an expression, and afterwards, if the
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// next token is a colon and the expression was a simple
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// Identifier node, we switch to interpreting it as a label.
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case _tokentype.types.at:
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this.next();
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return this.parseExpression();
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default:
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var maybeName = this.value,
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expr = this.parseExpression();
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@ -2049,8 +2063,15 @@ pp.parseClass = function (node, isStatement) {
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var hadConstructor = false;
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classBody.body = [];
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this.expect(_tokentype.types.braceL);
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var decorators = [];
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while (!this.eat(_tokentype.types.braceR)) {
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if (this.eat(_tokentype.types.semi)) continue;
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if (this.type == _tokentype.types.at) {
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this.next();
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var expr = this.parseMaybeAssign(true);
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decorators.push(expr);
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continue;
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}
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var method = this.startNode();
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var isGenerator = this.eat(_tokentype.types.star);
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var isMaybeStatic = this.type === _tokentype.types.name && this.value === "static";
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@ -2080,6 +2101,11 @@ pp.parseClass = function (node, isStatement) {
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}
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}
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this.parseClassMethod(classBody, method, isGenerator);
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if (decorators.length) {
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var body = method.value.body.body;
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if (body) body.unshift.apply(body, decorators);
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decorators = [];
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}
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if (isGetSet) {
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var paramCount = method.kind === "get" ? 0 : 1;
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if (method.value.params.length !== paramCount) {
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@ -2660,7 +2686,7 @@ pp.readToken_lt_gt = function (code) {
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this.skipSpace();
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return this.nextToken();
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}
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if (next === 61) size = this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2;
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if (next === 61) size = 2;
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return this.finishOp(_tokentype.types.relational, size);
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};
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@ -2768,6 +2794,9 @@ pp.getTokenFromCode = function (code) {
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case 126:
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// '~'
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return this.finishOp(_tokentype.types.prefix, 1);
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case 64:
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// '@'
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++this.pos;return this.finishToken(_tokentype.types.at);
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}
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this.raise(this.pos, "Unexpected character '" + codePointToString(code) + "'");
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@ -3191,6 +3220,8 @@ var types = {
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backQuote: new TokenType("`", startsExpr),
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dollarBraceL: new TokenType("${", { beforeExpr: true, startsExpr: true }),
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at: new TokenType("@", { beforeExpr: true, startsExpr: true }),
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// Operators. These carry several kinds of properties to help the
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// parser use them properly (the presence of these properties is
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// what categorizes them as operators).
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@ -3221,7 +3252,7 @@ var types = {
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modulo: binop("%", 10),
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star: binop("*", 10),
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slash: binop("/", 10),
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starstar: binop("**", 11)
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starstar: new TokenType("**", { beforeExpr: true })
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};
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exports.types = types;
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@ -97,7 +97,7 @@ lp.parseExprOps = function (noIn) {
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var start = this.storeCurrentPos();
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var indent = this.curIndent,
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line = this.curLineStart;
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return this.parseExprOp(this.parseMaybeUnary(noIn), start, -1, noIn, indent, line);
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return this.parseExprOp(this.parseMaybeUnary(false), start, -1, noIn, indent, line);
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};
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lp.parseExprOp = function (left, start, minPrec, noIn, indent, line) {
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@ -113,7 +113,7 @@ lp.parseExprOp = function (left, start, minPrec, noIn, indent, line) {
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node.right = this.dummyIdent();
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} else {
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var rightStart = this.storeCurrentPos();
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node.right = this.parseExprOp(this.parseMaybeUnary(noIn), rightStart, prec, noIn, indent, line);
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node.right = this.parseExprOp(this.parseMaybeUnary(false), rightStart, prec, noIn, indent, line);
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}
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this.finishNode(node, /&&|\|\|/.test(node.operator) ? "LogicalExpression" : "BinaryExpression");
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return this.parseExprOp(node, start, minPrec, noIn, indent, line);
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@ -122,32 +122,44 @@ lp.parseExprOp = function (left, start, minPrec, noIn, indent, line) {
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return left;
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};
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lp.parseMaybeUnary = function (noIn) {
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lp.parseMaybeUnary = function (sawUnary) {
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var start = this.storeCurrentPos(),
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expr = undefined;
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if (this.tok.type.prefix) {
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var node = this.startNode(),
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update = this.tok.type === _.tokTypes.incDec;
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if (!update) sawUnary = true;
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node.operator = this.tok.value;
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node.prefix = true;
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this.next();
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node.argument = this.parseMaybeUnary(noIn);
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node.argument = this.parseMaybeUnary(true);
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if (update) node.argument = this.checkLVal(node.argument);
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return this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
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expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
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} else if (this.tok.type === _.tokTypes.ellipsis) {
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var node = this.startNode();
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this.next();
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node.argument = this.parseMaybeUnary(noIn);
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return this.finishNode(node, "SpreadElement");
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node.argument = this.parseMaybeUnary(sawUnary);
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expr = this.finishNode(node, "SpreadElement");
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} else {
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expr = this.parseExprSubscripts();
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while (this.tok.type.postfix && !this.canInsertSemicolon()) {
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var node = this.startNodeAt(start);
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node.operator = this.tok.value;
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node.prefix = false;
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node.argument = this.checkLVal(expr);
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this.next();
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expr = this.finishNode(node, "UpdateExpression");
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}
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}
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var start = this.storeCurrentPos();
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var expr = this.parseExprSubscripts();
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while (this.tok.type.postfix && !this.canInsertSemicolon()) {
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if (!sawUnary && this.eat(_.tokTypes.starstar)) {
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var node = this.startNodeAt(start);
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node.operator = this.tok.value;
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node.prefix = false;
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node.argument = this.checkLVal(expr);
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this.next();
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expr = this.finishNode(node, "UpdateExpression");
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node.operator = "**";
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node.left = expr;
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node.right = this.parseMaybeUnary(false);
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return this.finishNode(node, "BinaryExpression");
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}
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return expr;
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};
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@ -206,7 +218,7 @@ lp.parseExprAtom = function () {
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case _.tokTypes.name:
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// quick hack to allow async and await
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if (this.value == "async" && /^[ \t]*(function\b|\(|\w+[ \t]*=>)/.test(this.input.slice(this.tok.end))) {
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if (this.tok.value == "async" && /^[ \t]*(function\b|\(|\w+[ \t]*=>)/.test(this.input.slice(this.tok.end))) {
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node = this.startNode();
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this.next();
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return this.parseExprAtom();
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@ -956,6 +968,9 @@ lp.parseStatement = function () {
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case _.tokTypes._export:
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return this.parseExport();
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case _.tokTypes.at:
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this.next();
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return this.parseExpression();
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default:
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var expr = this.parseExpression();
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@ -1041,11 +1056,18 @@ lp.parseClass = function (isStatement) {
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var indent = this.curIndent + 1,
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line = this.curLineStart;
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this.eat(_.tokTypes.braceL);
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var decorators = [];
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if (this.curIndent + 1 < indent) {
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indent = this.curIndent;line = this.curLineStart;
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}
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while (!this.closes(_.tokTypes.braceR, indent, line)) {
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if (this.semicolon()) continue;
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if (this.tok.type == _.tokTypes.at) {
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this.next();
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var expr = this.parseMaybeAssign(true);
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decorators.push(expr);
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continue;
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}
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var method = this.startNode(),
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isGenerator = undefined;
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if (this.options.ecmaVersion >= 6) {
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@ -1075,6 +1097,12 @@ lp.parseClass = function (isStatement) {
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}
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method.value = this.parseMethod(isGenerator);
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}
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if (decorators.length) {
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var body = method.value.body.body;
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if (body) body.unshift.apply(body, decorators);
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decorators = [];
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}
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node.body.body.push(this.finishNode(method, "MethodDefinition"));
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}
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this.popCx();
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@ -1305,7 +1333,7 @@ lp.resetTo = function (pos) {
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this.toks.exprAllowed = !ch || /[\[\{\(,;:?\/*=+\-~!|&%^<>]/.test(ch) || /[enwfd]/.test(ch) && /\b(keywords|case|else|return|throw|new|in|(instance|type)of|delete|void)$/.test(this.input.slice(pos - 10, pos));
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if (this.options.locations) {
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this.toks.curLine = 0;
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this.toks.curLine = 1;
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this.toks.lineStart = _.lineBreakG.lastIndex = 0;
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var match = undefined;
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while ((match = _.lineBreakG.exec(this.input)) && match.index < pos) {
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@ -368,11 +368,6 @@ base.MethodDefinition = base.Property = function (node, st, c) {
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if (node.computed) c(node.key, st, "Expression");
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c(node.value, st, "Expression");
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};
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base.ComprehensionExpression = function (node, st, c) {
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for (var i = 0; i < node.blocks.length; i++) {
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c(node.blocks[i].right, st, "Expression");
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}c(node.body, st, "Expression");
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};
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},{}]},{},["/src\\walk\\index.js"])("/src\\walk\\index.js")
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});
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@ -126,7 +126,7 @@ exports.transform = function transform(n) {
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var fargs = tree.list(n.params.map(function(arg) {
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return setIdPos(arg, tree.cons("FArg", [id(arg)]));
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}));
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resultNode = tree.cons("Function", [funName, fargs, tree.list(n.body.body.map(transform))]);
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resultNode = tree.cons("Function", [funName, fargs, tree.list((n.body.body||[]).map(transform))]);
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break;
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case "LogicalExpression":
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case "BinaryExpression":
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@ -63,7 +63,7 @@
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"c9.ide.language.html.diff": "#24f3608d26",
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"c9.ide.language.javascript": "#c6d102471f",
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"c9.ide.language.javascript.immediate": "#c8b1e5767a",
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"c9.ide.language.javascript.eslint": "#9495ab1934",
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"c9.ide.language.javascript.eslint": "#c74767544c",
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"c9.ide.language.javascript.tern": "#bf1072b11a",
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"c9.ide.language.javascript.infer": "#0561c69d67",
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"c9.ide.language.jsonalyzer": "#bf12af3d0a",
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