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shift-parser

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shift-parser - npm Package Compare versions

Comparing version 4.1.3 to 5.0.0

56

dist/early-errors.js

@@ -146,2 +146,11 @@ "use strict";

}, {
key: "reduceAssignmentTargetIdentifier",
value: function reduceAssignmentTargetIdentifier(node) {
var s = this.identity;
if ((0, _utils.isRestrictedWord)(node.name) || (0, _utils.isStrictModeReservedWord)(node.name)) {
s = s.addStrictError(new _earlyErrorState.EarlyError(node, "The identifier " + JSON.stringify(node.name) + " must not be in binding position in strict mode"));
}
return s;
}
}, {
key: "reduceArrowExpression",

@@ -152,2 +161,5 @@ value: function reduceArrowExpression(node, _ref2) {

var isSimpleParameterList = node.params.rest == null && node.params.items.every(function (i) {
return i.type === "BindingIdentifier";
});
params = params.enforceDuplicateLexicallyDeclaredNames(DUPLICATE_BINDING);

@@ -168,2 +180,5 @@ if (node.body.type === "FunctionBody") {

var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceArrowExpression", this).call(this, node, { params: params, body: body });
if (!isSimpleParameterList && node.body.type === "FunctionBody" && isStrictFunctionBody(node.body)) {
s = s.addError(new _earlyErrorState.EarlyError(node, "Functions with non-simple parameter lists may not contain a \"use strict\" directive"));
}
s = s.clearYieldExpressions();

@@ -331,16 +346,22 @@ s = s.observeVarBoundary();

var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceExportFrom", this).apply(this, arguments);
if (node.moduleSpecifier != null) {
s = s.clearExportedBindings();
}
s = s.clearExportedBindings();
return s;
}
}, {
key: "reduceExportSpecifier",
value: function reduceExportSpecifier(node) {
var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceExportSpecifier", this).apply(this, arguments);
s = s.exportName(node.exportedName, node);
s = s.exportBinding(node.name || node.exportedName, node);
key: "reduceExportFromSpecifier",
value: function reduceExportFromSpecifier(node) {
var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceExportFromSpecifier", this).apply(this, arguments);
s = s.exportName(node.exportedName || node.name, node);
s = s.exportBinding(node.name, node);
return s;
}
}, {
key: "reduceExportLocalSpecifier",
value: function reduceExportLocalSpecifier(node) {
var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceExportLocalSpecifier", this).apply(this, arguments);
s = s.exportName(node.exportedName || node.name.name, node);
s = s.exportBinding(node.name.name, node);
return s;
}
}, {
key: "reduceExportDefault",

@@ -485,2 +506,5 @@ value: function reduceExportDefault(node) {

var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceFunctionDeclaration", this).call(this, node, { name: name, params: params, body: body });
if (!isSimpleParameterList && isStrictFunctionBody(node.body)) {
s = s.addError(new _earlyErrorState.EarlyError(node, "Functions with non-simple parameter lists may not contain a \"use strict\" directive"));
}
s = s.clearYieldExpressions();

@@ -525,2 +549,5 @@ s = s.observeFunctionDeclaration();

var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceFunctionExpression", this).call(this, node, { name: name, params: params, body: body });
if (!isSimpleParameterList && isStrictFunctionBody(node.body)) {
s = s.addError(new _earlyErrorState.EarlyError(node, "Functions with non-simple parameter lists may not contain a \"use strict\" directive"));
}
s = s.clearBoundNames();

@@ -617,5 +644,2 @@ s = s.clearYieldExpressions();

//}
if (!/^[igmyu]*$/.test(node.flags) || containsDuplicates(node.flags)) {
s = s.addError(new _earlyErrorState.EarlyError(node, "Invalid regular expression flags"));
}
return s;

@@ -630,2 +654,5 @@ }

var isSimpleParameterList = node.params.rest == null && node.params.items.every(function (i) {
return i.type === "BindingIdentifier";
});
params = params.enforceDuplicateLexicallyDeclaredNames(DUPLICATE_BINDING);

@@ -654,2 +681,5 @@ body = body.enforceConflictingLexicallyDeclaredNames(params.lexicallyDeclaredNames, DUPLICATE_BINDING);

var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceMethod", this).call(this, node, { name: name, params: params, body: body });
if (!isSimpleParameterList && isStrictFunctionBody(node.body)) {
s = s.addError(new _earlyErrorState.EarlyError(node, "Functions with non-simple parameter lists may not contain a \"use strict\" directive"));
}
s = s.clearYieldExpressions();

@@ -753,2 +783,3 @@ s = s.observeVarBoundary();

var isSimpleParameterList = node.param.type === "BindingIdentifier";
param = param.observeLexicalDeclaration();

@@ -768,2 +799,5 @@ param = param.enforceDuplicateLexicallyDeclaredNames(DUPLICATE_BINDING);

var s = _get(Object.getPrototypeOf(EarlyErrorChecker.prototype), "reduceSetter", this).call(this, node, { name: name, param: param, body: body });
if (!isSimpleParameterList && isStrictFunctionBody(node.body)) {
s = s.addError(new _earlyErrorState.EarlyError(node, "Functions with non-simple parameter lists may not contain a \"use strict\" directive"));
}
s = s.observeVarBoundary();

@@ -770,0 +804,0 @@ return s;

2

dist/errors.js

@@ -32,2 +32,3 @@ "use strict";

UNEXPECTED_LINE_TERMINATOR: "Unexpected line terminator",
UNEXPECTED_COMMA_AFTER_REST: "Unexpected comma after rest",
NEWLINE_AFTER_THROW: "Illegal newline after throw",

@@ -37,2 +38,3 @@ UNTERMINATED_REGEXP: "Invalid regular expression: missing /",

INVALID_LHS_IN_ASSIGNMENT: "Invalid left-hand side in assignment",
INVALID_LHS_IN_BINDING: "Invalid left-hand side in binding", // todo collapse messages?
INVALID_LHS_IN_FOR_IN: "Invalid left-hand side in for-in",

@@ -39,0 +41,0 @@ INVALID_LHS_IN_FOR_OF: "Invalid left-hand side in for-of",

133

dist/index.js

@@ -6,4 +6,6 @@ "use strict";

});
exports.TokenType = exports.TokenClass = exports.Tokenizer = exports.EarlyErrorChecker = exports.parseScript = exports.parseModule = undefined;
exports.TokenType = exports.TokenClass = exports.Tokenizer = exports.ParserWithLocation = exports.GenericParser = exports.EarlyErrorChecker = exports.parseScriptWithLocation = exports.parseModuleWithLocation = exports.parseScript = exports.parseModule = undefined;
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _tokenizer = require("./tokenizer");

@@ -36,2 +38,22 @@

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /**
* Copyright 2016 Shape Security, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License")
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
function markLocation(node, location) {

@@ -48,18 +70,41 @@ node.loc = {

return node;
} /**
* Copyright 2014 Shape Security, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License")
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
}
var ParserWithLocation = function (_GenericParser) {
_inherits(ParserWithLocation, _GenericParser);
function ParserWithLocation(source) {
_classCallCheck(this, ParserWithLocation);
var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(ParserWithLocation).call(this, source));
_this.locations = new WeakMap();
return _this;
}
_createClass(ParserWithLocation, [{
key: "startNode",
value: function startNode() {
return this.getLocation();
}
}, {
key: "finishNode",
value: function finishNode(node, start) {
this.locations.set(node, {
start: start,
end: this.getLocation()
});
return node;
}
}, {
key: "copyNode",
value: function copyNode(src, dest) {
this.locations.set(dest, this.locations.get(src)); // todo check undefined
return dest;
}
}]);
return ParserWithLocation;
}(_parser.GenericParser);
function generateInterface(parsingFunctionName) {

@@ -69,14 +114,9 @@ return function parse(code) {

var _ref$loc = _ref.loc;
var loc = _ref$loc === undefined ? false : _ref$loc;
var _ref$earlyErrors = _ref.earlyErrors;
var earlyErrors = _ref$earlyErrors === undefined ? true : _ref$earlyErrors;
var parser = new _parser.Parser(code);
if (loc) {
parser.markLocation = markLocation;
}
var ast = parser[parsingFunctionName]();
var parser = new _parser.GenericParser(code);
var tree = parser[parsingFunctionName]();
if (earlyErrors) {
var errors = _earlyErrors.EarlyErrorChecker.check(ast);
var errors = _earlyErrors.EarlyErrorChecker.check(tree);
// for now, just throw the first error; we will handle multiple errors later

@@ -88,15 +128,34 @@ if (errors.length > 0) {

var offset = 0,
line = 1,
column = 0;
if (node.loc != null) {
var _node$loc$start = node.loc.start;
offset = _node$loc$start.offset;
line = _node$loc$start.line;
column = _node$loc$start.column;
}
throw new _tokenizer.JsError(0, 1, 0, message);
}
}
return tree;
};
}
function generateInterfaceWithLocation(parsingFunctionName) {
return function parse(code) {
var _ref2 = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
var _ref2$earlyErrors = _ref2.earlyErrors;
var earlyErrors = _ref2$earlyErrors === undefined ? true : _ref2$earlyErrors;
var parser = new ParserWithLocation(code);
var tree = parser[parsingFunctionName]();
if (earlyErrors) {
var errors = _earlyErrors.EarlyErrorChecker.check(tree);
// for now, just throw the first error; we will handle multiple errors later
if (errors.length > 0) {
var _errors$2 = errors[0];
var node = _errors$2.node;
var message = _errors$2.message;
var _parser$locations$get = parser.locations.get(node).start;
var offset = _parser$locations$get.offset;
var line = _parser$locations$get.line;
var column = _parser$locations$get.column;
throw new _tokenizer.JsError(offset, line, column, message);
}
}
return ast;
return { tree: tree, locations: parser.locations };
};

@@ -107,3 +166,7 @@ }

var parseScript = exports.parseScript = generateInterface("parseScript");
var parseModuleWithLocation = exports.parseModuleWithLocation = generateInterfaceWithLocation("parseModule");
var parseScriptWithLocation = exports.parseScriptWithLocation = generateInterfaceWithLocation("parseScript");
exports.default = parseScript;
exports.EarlyErrorChecker = _earlyErrors.EarlyErrorChecker;
exports.EarlyErrorChecker = _earlyErrors.EarlyErrorChecker;
exports.GenericParser = _parser.GenericParser;
exports.ParserWithLocation = ParserWithLocation;

8

dist/tokenizer.js

@@ -76,2 +76,3 @@ "use strict";

ASSIGN_MOD: { klass: TokenClass.Punctuator, name: "%=" },
ASSIGN_EXP: { klass: TokenClass.Punctuator, name: "**=" },
COMMA: { klass: TokenClass.Punctuator, name: "," },

@@ -91,2 +92,3 @@ OR: { klass: TokenClass.Punctuator, name: "||" },

MOD: { klass: TokenClass.Punctuator, name: "%" },
EXP: { klass: TokenClass.Punctuator, name: "**" },
EQ: { klass: TokenClass.Punctuator, name: "==" },

@@ -909,5 +911,11 @@ NE: { klass: TokenClass.Punctuator, name: "!=" },

}
if (ch1 === "*" && _ch2 === "=") {
return TokenType.ASSIGN_EXP;
}
}
// Other 2-character punctuators: ++ -- << >> && ||
switch (ch1) {
case "*":
return TokenType.EXP;
case "+":

@@ -914,0 +922,0 @@ return TokenType.INC;

9

package.json
{
"name": "shift-parser",
"version": "4.1.3",
"version": "5.0.0",
"description": "ECMAScript parser that produces a Shift format AST",

@@ -27,3 +27,4 @@ "author": "Shape Security Labs",

"multimap": "^0.1.1",
"shift-reducer": "^3.0.2"
"shift-ast": "^4.0.0",
"shift-reducer": "^4.0.0"
},

@@ -42,4 +43,4 @@ "devDependencies": {

"microtime": "^2.0.0",
"mocha": "2.2.5",
"shift-spec": "2015.2.1",
"mocha": "2.3.4",
"shift-spec": "^2016.0.0",
"tick": "0.1.1",

@@ -46,0 +47,0 @@ "traceur": "0.0.91",

README.md
dist/parser.js

Sorry, the diff of this file is too big to display

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