expect(value)
- * @since 2.0
- */
- function expectCommaSeparator() {
- var token;
-
- if (extra.errors) {
- token = lookahead;
- if (token.type === Token.Punctuator && token.value === ',') {
- lex();
- } else if (token.type === Token.Punctuator && token.value === ';') {
- lex();
- tolerateUnexpectedToken(token);
- } else {
- tolerateUnexpectedToken(token, Messages.UnexpectedToken);
- }
- } else {
- expect(',');
- }
- }
-
- // Expect the next token to match the specified keyword.
- // If not, an exception will be thrown.
-
- function expectKeyword(keyword) {
- var token = lex();
- if (token.type !== Token.Keyword || token.value !== keyword) {
- throwUnexpectedToken(token);
- }
- }
+function readPlainScalar(state, nodeIndent, withinFlowCollection) {
+ var preceding,
+ following,
+ captureStart,
+ captureEnd,
+ hasPendingContent,
+ _line,
+ _lineStart,
+ _lineIndent,
+ _kind = state.kind,
+ _result = state.result,
+ ch;
- // Return true if the next token matches the specified punctuator.
+ ch = state.input.charCodeAt(state.position);
- function match(value) {
- return lookahead.type === Token.Punctuator && lookahead.value === value;
- }
+ if (is_WS_OR_EOL(ch) ||
+ is_FLOW_INDICATOR(ch) ||
+ 0x23/* # */ === ch ||
+ 0x26/* & */ === ch ||
+ 0x2A/* * */ === ch ||
+ 0x21/* ! */ === ch ||
+ 0x7C/* | */ === ch ||
+ 0x3E/* > */ === ch ||
+ 0x27/* ' */ === ch ||
+ 0x22/* " */ === ch ||
+ 0x25/* % */ === ch ||
+ 0x40/* @ */ === ch ||
+ 0x60/* ` */ === ch) {
+ return false;
+ }
- // Return true if the next token matches the specified keyword
+ if (0x3F/* ? */ === ch || 0x2D/* - */ === ch) {
+ following = state.input.charCodeAt(state.position + 1);
- function matchKeyword(keyword) {
- return lookahead.type === Token.Keyword && lookahead.value === keyword;
+ if (is_WS_OR_EOL(following) ||
+ withinFlowCollection && is_FLOW_INDICATOR(following)) {
+ return false;
}
+ }
- // Return true if the next token matches the specified contextual keyword
- // (where an identifier is sometimes a keyword depending on the context)
-
- function matchContextualKeyword(keyword) {
- return lookahead.type === Token.Identifier && lookahead.value === keyword;
- }
+ state.kind = 'scalar';
+ state.result = '';
+ captureStart = captureEnd = state.position;
+ hasPendingContent = false;
- // Return true if the next token is an assignment operator
+ while (0 !== ch) {
+ if (0x3A/* : */ === ch) {
+ following = state.input.charCodeAt(state.position + 1);
- function matchAssign() {
- var op;
+ if (is_WS_OR_EOL(following) ||
+ withinFlowCollection && is_FLOW_INDICATOR(following)) {
+ break;
+ }
- if (lookahead.type !== Token.Punctuator) {
- return false;
- }
- op = lookahead.value;
- return op === '=' ||
- op === '*=' ||
- op === '/=' ||
- op === '%=' ||
- op === '+=' ||
- op === '-=' ||
- op === '<<=' ||
- op === '>>=' ||
- op === '>>>=' ||
- op === '&=' ||
- op === '^=' ||
- op === '|=';
- }
+ } else if (0x23/* # */ === ch) {
+ preceding = state.input.charCodeAt(state.position - 1);
- function consumeSemicolon() {
- // Catch the very common case first: immediately a semicolon (U+003B).
- if (source.charCodeAt(startIndex) === 0x3B || match(';')) {
- lex();
- return;
- }
+ if (is_WS_OR_EOL(preceding)) {
+ break;
+ }
- if (hasLineTerminator) {
- return;
- }
+ } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||
+ withinFlowCollection && is_FLOW_INDICATOR(ch)) {
+ break;
- // FIXME(ikarienator): this is seemingly an issue in the previous location info convention.
- lastIndex = startIndex;
- lastLineNumber = startLineNumber;
- lastLineStart = startLineStart;
+ } else if (is_EOL(ch)) {
+ _line = state.line;
+ _lineStart = state.lineStart;
+ _lineIndent = state.lineIndent;
+ skipSeparationSpace(state, false, -1);
- if (lookahead.type !== Token.EOF && !match('}')) {
- throwUnexpectedToken(lookahead);
- }
+ if (state.lineIndent >= nodeIndent) {
+ hasPendingContent = true;
+ ch = state.input.charCodeAt(state.position);
+ continue;
+ } else {
+ state.position = captureEnd;
+ state.line = _line;
+ state.lineStart = _lineStart;
+ state.lineIndent = _lineIndent;
+ break;
+ }
}
- // Cover grammar support.
- //
- // When an assignment expression position starts with an left parenthesis, the determination of the type
- // of the syntax is to be deferred arbitrarily long until the end of the parentheses pair (plus a lookahead)
- // or the first comma. This situation also defers the determination of all the expressions nested in the pair.
- //
- // There are three productions that can be parsed in a parentheses pair that needs to be determined
- // after the outermost pair is closed. They are:
- //
- // 1. AssignmentExpression
- // 2. BindingElements
- // 3. AssignmentTargets
- //
- // In order to avoid exponential backtracking, we use two flags to denote if the production can be
- // binding element or assignment target.
- //
- // The three productions have the relationship:
- //
- // BindingElements ⊆ AssignmentTargets ⊆ AssignmentExpression
- //
- // with a single exception that CoverInitializedName when used directly in an Expression, generates
- // an early error. Therefore, we need the third state, firstCoverInitializedNameError, to track the
- // first usage of CoverInitializedName and report it when we reached the end of the parentheses pair.
- //
- // isolateCoverGrammar function runs the given parser function with a new cover grammar context, and it does not
- // effect the current flags. This means the production the parser parses is only used as an expression. Therefore
- // the CoverInitializedName check is conducted.
- //
- // inheritCoverGrammar function runs the given parse function with a new cover grammar context, and it propagates
- // the flags outside of the parser. This means the production the parser parses is used as a part of a potential
- // pattern. The CoverInitializedName check is deferred.
- function isolateCoverGrammar(parser) {
- var oldIsBindingElement = isBindingElement,
- oldIsAssignmentTarget = isAssignmentTarget,
- oldFirstCoverInitializedNameError = firstCoverInitializedNameError,
- result;
- isBindingElement = true;
- isAssignmentTarget = true;
- firstCoverInitializedNameError = null;
- result = parser();
- if (firstCoverInitializedNameError !== null) {
- throwUnexpectedToken(firstCoverInitializedNameError);
- }
- isBindingElement = oldIsBindingElement;
- isAssignmentTarget = oldIsAssignmentTarget;
- firstCoverInitializedNameError = oldFirstCoverInitializedNameError;
- return result;
+ if (hasPendingContent) {
+ captureSegment(state, captureStart, captureEnd, false);
+ writeFoldedLines(state, state.line - _line);
+ captureStart = captureEnd = state.position;
+ hasPendingContent = false;
}
- function inheritCoverGrammar(parser) {
- var oldIsBindingElement = isBindingElement,
- oldIsAssignmentTarget = isAssignmentTarget,
- oldFirstCoverInitializedNameError = firstCoverInitializedNameError,
- result;
- isBindingElement = true;
- isAssignmentTarget = true;
- firstCoverInitializedNameError = null;
- result = parser();
- isBindingElement = isBindingElement && oldIsBindingElement;
- isAssignmentTarget = isAssignmentTarget && oldIsAssignmentTarget;
- firstCoverInitializedNameError = oldFirstCoverInitializedNameError || firstCoverInitializedNameError;
- return result;
+ if (!is_WHITE_SPACE(ch)) {
+ captureEnd = state.position + 1;
}
- // ECMA-262 13.3.3 Destructuring Binding Patterns
+ ch = state.input.charCodeAt(++state.position);
+ }
- function parseArrayPattern(params, kind) {
- var node = new Node(), elements = [], rest, restNode;
- expect('[');
+ captureSegment(state, captureStart, captureEnd, false);
- while (!match(']')) {
- if (match(',')) {
- lex();
- elements.push(null);
- } else {
- if (match('...')) {
- restNode = new Node();
- lex();
- params.push(lookahead);
- rest = parseVariableIdentifier(kind);
- elements.push(restNode.finishRestElement(rest));
- break;
- } else {
- elements.push(parsePatternWithDefault(params, kind));
- }
- if (!match(']')) {
- expect(',');
- }
- }
+ if (state.result) {
+ return true;
+ }
- }
+ state.kind = _kind;
+ state.result = _result;
+ return false;
+}
- expect(']');
+function readSingleQuotedScalar(state, nodeIndent) {
+ var ch,
+ captureStart, captureEnd;
- return node.finishArrayPattern(elements);
- }
+ ch = state.input.charCodeAt(state.position);
- function parsePropertyPattern(params, kind) {
- var node = new Node(), key, keyToken, computed = match('['), init;
- if (lookahead.type === Token.Identifier) {
- keyToken = lookahead;
- key = parseVariableIdentifier();
- if (match('=')) {
- params.push(keyToken);
- lex();
- init = parseAssignmentExpression();
+ if (0x27/* ' */ !== ch) {
+ return false;
+ }
- return node.finishProperty(
- 'init', key, false,
- new WrappingNode(keyToken).finishAssignmentPattern(key, init), false, false);
- } else if (!match(':')) {
- params.push(keyToken);
- return node.finishProperty('init', key, false, key, false, true);
- }
- } else {
- key = parseObjectPropertyKey();
- }
- expect(':');
- init = parsePatternWithDefault(params, kind);
- return node.finishProperty('init', key, computed, init, false, false);
- }
+ state.kind = 'scalar';
+ state.result = '';
+ state.position++;
+ captureStart = captureEnd = state.position;
- function parseObjectPattern(params, kind) {
- var node = new Node(), properties = [];
+ while (0 !== (ch = state.input.charCodeAt(state.position))) {
+ if (0x27/* ' */ === ch) {
+ captureSegment(state, captureStart, state.position, true);
+ ch = state.input.charCodeAt(++state.position);
- expect('{');
+ if (0x27/* ' */ === ch) {
+ captureStart = captureEnd = state.position;
+ state.position++;
+ } else {
+ return true;
+ }
- while (!match('}')) {
- properties.push(parsePropertyPattern(params, kind));
- if (!match('}')) {
- expect(',');
- }
- }
+ } else if (is_EOL(ch)) {
+ captureSegment(state, captureStart, captureEnd, true);
+ writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
+ captureStart = captureEnd = state.position;
- lex();
+ } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
+ throwError(state, 'unexpected end of the document within a single quoted scalar');
- return node.finishObjectPattern(properties);
+ } else {
+ state.position++;
+ captureEnd = state.position;
}
+ }
- function parsePattern(params, kind) {
- if (match('[')) {
- return parseArrayPattern(params, kind);
- } else if (match('{')) {
- return parseObjectPattern(params, kind);
- } else if (matchKeyword('let')) {
- if (kind === 'const' || kind === 'let') {
- tolerateUnexpectedToken(lookahead, Messages.UnexpectedToken);
- }
- }
-
- params.push(lookahead);
- return parseVariableIdentifier(kind);
- }
+ throwError(state, 'unexpected end of the stream within a single quoted scalar');
+}
- function parsePatternWithDefault(params, kind) {
- var startToken = lookahead, pattern, previousAllowYield, right;
- pattern = parsePattern(params, kind);
- if (match('=')) {
- lex();
- previousAllowYield = state.allowYield;
- state.allowYield = true;
- right = isolateCoverGrammar(parseAssignmentExpression);
- state.allowYield = previousAllowYield;
- pattern = new WrappingNode(startToken).finishAssignmentPattern(pattern, right);
- }
- return pattern;
- }
+function readDoubleQuotedScalar(state, nodeIndent) {
+ var captureStart,
+ captureEnd,
+ hexLength,
+ hexResult,
+ tmp,
+ ch;
- // ECMA-262 12.2.5 Array Initializer
+ ch = state.input.charCodeAt(state.position);
- function parseArrayInitializer() {
- var elements = [], node = new Node(), restSpread;
+ if (0x22/* " */ !== ch) {
+ return false;
+ }
- expect('[');
+ state.kind = 'scalar';
+ state.result = '';
+ state.position++;
+ captureStart = captureEnd = state.position;
- while (!match(']')) {
- if (match(',')) {
- lex();
- elements.push(null);
- } else if (match('...')) {
- restSpread = new Node();
- lex();
- restSpread.finishSpreadElement(inheritCoverGrammar(parseAssignmentExpression));
+ while (0 !== (ch = state.input.charCodeAt(state.position))) {
+ if (0x22/* " */ === ch) {
+ captureSegment(state, captureStart, state.position, true);
+ state.position++;
+ return true;
- if (!match(']')) {
- isAssignmentTarget = isBindingElement = false;
- expect(',');
- }
- elements.push(restSpread);
- } else {
- elements.push(inheritCoverGrammar(parseAssignmentExpression));
+ } else if (0x5C/* \ */ === ch) {
+ captureSegment(state, captureStart, state.position, true);
+ ch = state.input.charCodeAt(++state.position);
- if (!match(']')) {
- expect(',');
- }
- }
- }
+ if (is_EOL(ch)) {
+ skipSeparationSpace(state, false, nodeIndent);
- lex();
+ // TODO: rework to inline fn with no type cast?
+ } else if (ch < 256 && simpleEscapeCheck[ch]) {
+ state.result += simpleEscapeMap[ch];
+ state.position++;
- return node.finishArrayExpression(elements);
- }
+ } else if ((tmp = escapedHexLen(ch)) > 0) {
+ hexLength = tmp;
+ hexResult = 0;
- // ECMA-262 12.2.6 Object Initializer
+ for (; hexLength > 0; hexLength--) {
+ ch = state.input.charCodeAt(++state.position);
- function parsePropertyFunction(node, paramInfo, isGenerator) {
- var previousStrict, body;
+ if ((tmp = fromHexCode(ch)) >= 0) {
+ hexResult = (hexResult << 4) + tmp;
- isAssignmentTarget = isBindingElement = false;
+ } else {
+ throwError(state, 'expected hexadecimal character');
+ }
+ }
- previousStrict = strict;
- body = isolateCoverGrammar(parseFunctionSourceElements);
+ state.result += charFromCodepoint(hexResult);
- if (strict && paramInfo.firstRestricted) {
- tolerateUnexpectedToken(paramInfo.firstRestricted, paramInfo.message);
- }
- if (strict && paramInfo.stricted) {
- tolerateUnexpectedToken(paramInfo.stricted, paramInfo.message);
- }
+ state.position++;
- strict = previousStrict;
- return node.finishFunctionExpression(null, paramInfo.params, paramInfo.defaults, body, isGenerator);
- }
+ } else {
+ throwError(state, 'unknown escape sequence');
+ }
- function parsePropertyMethodFunction() {
- var params, method, node = new Node(),
- previousAllowYield = state.allowYield;
+ captureStart = captureEnd = state.position;
- state.allowYield = false;
- params = parseParams();
- state.allowYield = previousAllowYield;
+ } else if (is_EOL(ch)) {
+ captureSegment(state, captureStart, captureEnd, true);
+ writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
+ captureStart = captureEnd = state.position;
- state.allowYield = false;
- method = parsePropertyFunction(node, params, false);
- state.allowYield = previousAllowYield;
+ } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
+ throwError(state, 'unexpected end of the document within a double quoted scalar');
- return method;
+ } else {
+ state.position++;
+ captureEnd = state.position;
}
+ }
- function parseObjectPropertyKey() {
- var token, node = new Node(), expr;
+ throwError(state, 'unexpected end of the stream within a double quoted scalar');
+}
- token = lex();
+function readFlowCollection(state, nodeIndent) {
+ var readNext = true,
+ _line,
+ _tag = state.tag,
+ _result,
+ _anchor = state.anchor,
+ following,
+ terminator,
+ isPair,
+ isExplicitPair,
+ isMapping,
+ keyNode,
+ keyTag,
+ valueNode,
+ ch;
- // Note: This function is called only from parseObjectProperty(), where
- // EOF and Punctuator tokens are already filtered out.
+ ch = state.input.charCodeAt(state.position);
- switch (token.type) {
- case Token.StringLiteral:
- case Token.NumericLiteral:
- if (strict && token.octal) {
- tolerateUnexpectedToken(token, Messages.StrictOctalLiteral);
- }
- return node.finishLiteral(token);
- case Token.Identifier:
- case Token.BooleanLiteral:
- case Token.NullLiteral:
- case Token.Keyword:
- return node.finishIdentifier(token.value);
- case Token.Punctuator:
- if (token.value === '[') {
- expr = isolateCoverGrammar(parseAssignmentExpression);
- expect(']');
- return expr;
- }
- break;
- }
- throwUnexpectedToken(token);
- }
+ if (ch === 0x5B/* [ */) {
+ terminator = 0x5D;/* ] */
+ isMapping = false;
+ _result = [];
+ } else if (ch === 0x7B/* { */) {
+ terminator = 0x7D;/* } */
+ isMapping = true;
+ _result = {};
+ } else {
+ return false;
+ }
- function lookaheadPropertyName() {
- switch (lookahead.type) {
- case Token.Identifier:
- case Token.StringLiteral:
- case Token.BooleanLiteral:
- case Token.NullLiteral:
- case Token.NumericLiteral:
- case Token.Keyword:
- return true;
- case Token.Punctuator:
- return lookahead.value === '[';
- }
- return false;
- }
+ if (null !== state.anchor) {
+ state.anchorMap[state.anchor] = _result;
+ }
- // This function is to try to parse a MethodDefinition as defined in 14.3. But in the case of object literals,
- // it might be called at a position where there is in fact a short hand identifier pattern or a data property.
- // This can only be determined after we consumed up to the left parentheses.
- //
- // In order to avoid back tracking, it returns `null` if the position is not a MethodDefinition and the caller
- // is responsible to visit other options.
- function tryParseMethodDefinition(token, key, computed, node) {
- var value, options, methodNode, params,
- previousAllowYield = state.allowYield;
+ ch = state.input.charCodeAt(++state.position);
- if (token.type === Token.Identifier) {
- // check for `get` and `set`;
+ while (0 !== ch) {
+ skipSeparationSpace(state, true, nodeIndent);
- if (token.value === 'get' && lookaheadPropertyName()) {
- computed = match('[');
- key = parseObjectPropertyKey();
- methodNode = new Node();
- expect('(');
- expect(')');
+ ch = state.input.charCodeAt(state.position);
- state.allowYield = false;
- value = parsePropertyFunction(methodNode, {
- params: [],
- defaults: [],
- stricted: null,
- firstRestricted: null,
- message: null
- }, false);
- state.allowYield = previousAllowYield;
+ if (ch === terminator) {
+ state.position++;
+ state.tag = _tag;
+ state.anchor = _anchor;
+ state.kind = isMapping ? 'mapping' : 'sequence';
+ state.result = _result;
+ return true;
+ } else if (!readNext) {
+ throwError(state, 'missed comma between flow collection entries');
+ }
- return node.finishProperty('get', key, computed, value, false, false);
- } else if (token.value === 'set' && lookaheadPropertyName()) {
- computed = match('[');
- key = parseObjectPropertyKey();
- methodNode = new Node();
- expect('(');
+ keyTag = keyNode = valueNode = null;
+ isPair = isExplicitPair = false;
- options = {
- params: [],
- defaultCount: 0,
- defaults: [],
- firstRestricted: null,
- paramSet: {}
- };
- if (match(')')) {
- tolerateUnexpectedToken(lookahead);
- } else {
- state.allowYield = false;
- parseParam(options);
- state.allowYield = previousAllowYield;
- if (options.defaultCount === 0) {
- options.defaults = [];
- }
- }
- expect(')');
+ if (0x3F/* ? */ === ch) {
+ following = state.input.charCodeAt(state.position + 1);
- state.allowYield = false;
- value = parsePropertyFunction(methodNode, options, false);
- state.allowYield = previousAllowYield;
+ if (is_WS_OR_EOL(following)) {
+ isPair = isExplicitPair = true;
+ state.position++;
+ skipSeparationSpace(state, true, nodeIndent);
+ }
+ }
- return node.finishProperty('set', key, computed, value, false, false);
- }
- } else if (token.type === Token.Punctuator && token.value === '*' && lookaheadPropertyName()) {
- computed = match('[');
- key = parseObjectPropertyKey();
- methodNode = new Node();
+ _line = state.line;
+ composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
+ keyTag = state.tag;
+ keyNode = state.result;
+ skipSeparationSpace(state, true, nodeIndent);
- state.allowYield = true;
- params = parseParams();
- state.allowYield = previousAllowYield;
+ ch = state.input.charCodeAt(state.position);
- state.allowYield = false;
- value = parsePropertyFunction(methodNode, params, true);
- state.allowYield = previousAllowYield;
+ if ((isExplicitPair || state.line === _line) && 0x3A/* : */ === ch) {
+ isPair = true;
+ ch = state.input.charCodeAt(++state.position);
+ skipSeparationSpace(state, true, nodeIndent);
+ composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
+ valueNode = state.result;
+ }
- return node.finishProperty('init', key, computed, value, true, false);
- }
+ if (isMapping) {
+ storeMappingPair(state, _result, keyTag, keyNode, valueNode);
+ } else if (isPair) {
+ _result.push(storeMappingPair(state, null, keyTag, keyNode, valueNode));
+ } else {
+ _result.push(keyNode);
+ }
- if (key && match('(')) {
- value = parsePropertyMethodFunction();
- return node.finishProperty('init', key, computed, value, true, false);
- }
+ skipSeparationSpace(state, true, nodeIndent);
- // Not a MethodDefinition.
- return null;
+ ch = state.input.charCodeAt(state.position);
+
+ if (0x2C/* , */ === ch) {
+ readNext = true;
+ ch = state.input.charCodeAt(++state.position);
+ } else {
+ readNext = false;
}
+ }
- function parseObjectProperty(hasProto) {
- var token = lookahead, node = new Node(), computed, key, maybeMethod, proto, value;
+ throwError(state, 'unexpected end of the stream within a flow collection');
+}
- computed = match('[');
- if (match('*')) {
- lex();
- } else {
- key = parseObjectPropertyKey();
- }
- maybeMethod = tryParseMethodDefinition(token, key, computed, node);
- if (maybeMethod) {
- return maybeMethod;
- }
+function readBlockScalar(state, nodeIndent) {
+ var captureStart,
+ folding,
+ chomping = CHOMPING_CLIP,
+ detectedIndent = false,
+ textIndent = nodeIndent,
+ emptyLines = 0,
+ atMoreIndented = false,
+ tmp,
+ ch;
- if (!key) {
- throwUnexpectedToken(lookahead);
- }
+ ch = state.input.charCodeAt(state.position);
- // Check for duplicated __proto__
- if (!computed) {
- proto = (key.type === Syntax.Identifier && key.name === '__proto__') ||
- (key.type === Syntax.Literal && key.value === '__proto__');
- if (hasProto.value && proto) {
- tolerateError(Messages.DuplicateProtoProperty);
- }
- hasProto.value |= proto;
- }
+ if (ch === 0x7C/* | */) {
+ folding = false;
+ } else if (ch === 0x3E/* > */) {
+ folding = true;
+ } else {
+ return false;
+ }
- if (match(':')) {
- lex();
- value = inheritCoverGrammar(parseAssignmentExpression);
- return node.finishProperty('init', key, computed, value, false, false);
- }
+ state.kind = 'scalar';
+ state.result = '';
- if (token.type === Token.Identifier) {
- if (match('=')) {
- firstCoverInitializedNameError = lookahead;
- lex();
- value = isolateCoverGrammar(parseAssignmentExpression);
- return node.finishProperty('init', key, computed,
- new WrappingNode(token).finishAssignmentPattern(key, value), false, true);
- }
- return node.finishProperty('init', key, computed, key, false, true);
- }
+ while (0 !== ch) {
+ ch = state.input.charCodeAt(++state.position);
- throwUnexpectedToken(lookahead);
- }
+ if (0x2B/* + */ === ch || 0x2D/* - */ === ch) {
+ if (CHOMPING_CLIP === chomping) {
+ chomping = (0x2B/* + */ === ch) ? CHOMPING_KEEP : CHOMPING_STRIP;
+ } else {
+ throwError(state, 'repeat of a chomping mode identifier');
+ }
- function parseObjectInitializer() {
- var properties = [], hasProto = {value: false}, node = new Node();
+ } else if ((tmp = fromDecimalCode(ch)) >= 0) {
+ if (tmp === 0) {
+ throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');
+ } else if (!detectedIndent) {
+ textIndent = nodeIndent + tmp - 1;
+ detectedIndent = true;
+ } else {
+ throwError(state, 'repeat of an indentation width identifier');
+ }
- expect('{');
+ } else {
+ break;
+ }
+ }
- while (!match('}')) {
- properties.push(parseObjectProperty(hasProto));
+ if (is_WHITE_SPACE(ch)) {
+ do { ch = state.input.charCodeAt(++state.position); }
+ while (is_WHITE_SPACE(ch));
- if (!match('}')) {
- expectCommaSeparator();
- }
- }
+ if (0x23/* # */ === ch) {
+ do { ch = state.input.charCodeAt(++state.position); }
+ while (!is_EOL(ch) && (0 !== ch));
+ }
+ }
- expect('}');
+ while (0 !== ch) {
+ readLineBreak(state);
+ state.lineIndent = 0;
- return node.finishObjectExpression(properties);
+ ch = state.input.charCodeAt(state.position);
+
+ while ((!detectedIndent || state.lineIndent < textIndent) &&
+ (0x20/* Space */ === ch)) {
+ state.lineIndent++;
+ ch = state.input.charCodeAt(++state.position);
}
- function reinterpretExpressionAsPattern(expr) {
- var i;
- switch (expr.type) {
- case Syntax.Identifier:
- case Syntax.MemberExpression:
- case Syntax.RestElement:
- case Syntax.AssignmentPattern:
- break;
- case Syntax.SpreadElement:
- expr.type = Syntax.RestElement;
- reinterpretExpressionAsPattern(expr.argument);
- break;
- case Syntax.ArrayExpression:
- expr.type = Syntax.ArrayPattern;
- for (i = 0; i < expr.elements.length; i++) {
- if (expr.elements[i] !== null) {
- reinterpretExpressionAsPattern(expr.elements[i]);
- }
- }
- break;
- case Syntax.ObjectExpression:
- expr.type = Syntax.ObjectPattern;
- for (i = 0; i < expr.properties.length; i++) {
- reinterpretExpressionAsPattern(expr.properties[i].value);
- }
- break;
- case Syntax.AssignmentExpression:
- expr.type = Syntax.AssignmentPattern;
- reinterpretExpressionAsPattern(expr.left);
- break;
- default:
- // Allow other node type for tolerant parsing.
- break;
- }
+ if (!detectedIndent && state.lineIndent > textIndent) {
+ textIndent = state.lineIndent;
}
- // ECMA-262 12.2.9 Template Literals
-
- function parseTemplateElement(option) {
- var node, token;
-
- if (lookahead.type !== Token.Template || (option.head && !lookahead.head)) {
- throwUnexpectedToken();
- }
-
- node = new Node();
- token = lex();
-
- return node.finishTemplateElement({ raw: token.value.raw, cooked: token.value.cooked }, token.tail);
+ if (is_EOL(ch)) {
+ emptyLines++;
+ continue;
}
- function parseTemplateLiteral() {
- var quasi, quasis, expressions, node = new Node();
-
- quasi = parseTemplateElement({ head: true });
- quasis = [quasi];
- expressions = [];
+ // End of the scalar.
+ if (state.lineIndent < textIndent) {
- while (!quasi.tail) {
- expressions.push(parseExpression());
- quasi = parseTemplateElement({ head: false });
- quasis.push(quasi);
+ // Perform the chomping.
+ if (chomping === CHOMPING_KEEP) {
+ state.result += common.repeat('\n', emptyLines);
+ } else if (chomping === CHOMPING_CLIP) {
+ if (detectedIndent) { // i.e. only if the scalar is not empty.
+ state.result += '\n';
}
+ }
- return node.finishTemplateLiteral(quasis, expressions);
+ // Break this `while` cycle and go to the funciton's epilogue.
+ break;
}
- // ECMA-262 12.2.10 The Grouping Operator
+ // Folded style: use fancy rules to handle line breaks.
+ if (folding) {
- function parseGroupExpression() {
- var expr, expressions, startToken, i, params = [];
+ // Lines starting with white space characters (more-indented lines) are not folded.
+ if (is_WHITE_SPACE(ch)) {
+ atMoreIndented = true;
+ state.result += common.repeat('\n', emptyLines + 1);
- expect('(');
+ // End of more-indented block.
+ } else if (atMoreIndented) {
+ atMoreIndented = false;
+ state.result += common.repeat('\n', emptyLines + 1);
- if (match(')')) {
- lex();
- if (!match('=>')) {
- expect('=>');
- }
- return {
- type: PlaceHolders.ArrowParameterPlaceHolder,
- params: [],
- rawParams: []
- };
+ // Just one line break - perceive as the same line.
+ } else if (0 === emptyLines) {
+ if (detectedIndent) { // i.e. only if we have already read some scalar content.
+ state.result += ' ';
}
- startToken = lookahead;
- if (match('...')) {
- expr = parseRestElement(params);
- expect(')');
- if (!match('=>')) {
- expect('=>');
- }
- return {
- type: PlaceHolders.ArrowParameterPlaceHolder,
- params: [expr]
- };
- }
+ // Several line breaks - perceive as different lines.
+ } else {
+ state.result += common.repeat('\n', emptyLines);
+ }
- isBindingElement = true;
- expr = inheritCoverGrammar(parseAssignmentExpression);
+ // Literal style: just add exact number of line breaks between content lines.
+ } else if (detectedIndent) {
+ // If current line isn't the first one - count line break from the last content line.
+ state.result += common.repeat('\n', emptyLines + 1);
+ } else {
+ // In case of the first content line - count only empty lines.
+ state.result += common.repeat('\n', emptyLines);
+ }
- if (match(',')) {
- isAssignmentTarget = false;
- expressions = [expr];
+ detectedIndent = true;
+ emptyLines = 0;
+ captureStart = state.position;
- while (startIndex < length) {
- if (!match(',')) {
- break;
- }
- lex();
+ while (!is_EOL(ch) && (0 !== ch)) {
+ ch = state.input.charCodeAt(++state.position);
+ }
- if (match('...')) {
- if (!isBindingElement) {
- throwUnexpectedToken(lookahead);
- }
- expressions.push(parseRestElement(params));
- expect(')');
- if (!match('=>')) {
- expect('=>');
- }
- isBindingElement = false;
- for (i = 0; i < expressions.length; i++) {
- reinterpretExpressionAsPattern(expressions[i]);
- }
- return {
- type: PlaceHolders.ArrowParameterPlaceHolder,
- params: expressions
- };
- }
+ captureSegment(state, captureStart, state.position, false);
+ }
- expressions.push(inheritCoverGrammar(parseAssignmentExpression));
- }
+ return true;
+}
- expr = new WrappingNode(startToken).finishSequenceExpression(expressions);
- }
+function readBlockSequence(state, nodeIndent) {
+ var _line,
+ _tag = state.tag,
+ _anchor = state.anchor,
+ _result = [],
+ following,
+ detected = false,
+ ch;
+ if (null !== state.anchor) {
+ state.anchorMap[state.anchor] = _result;
+ }
- expect(')');
+ ch = state.input.charCodeAt(state.position);
- if (match('=>')) {
- if (expr.type === Syntax.Identifier && expr.name === 'yield') {
- return {
- type: PlaceHolders.ArrowParameterPlaceHolder,
- params: [expr]
- };
- }
+ while (0 !== ch) {
- if (!isBindingElement) {
- throwUnexpectedToken(lookahead);
- }
+ if (0x2D/* - */ !== ch) {
+ break;
+ }
- if (expr.type === Syntax.SequenceExpression) {
- for (i = 0; i < expr.expressions.length; i++) {
- reinterpretExpressionAsPattern(expr.expressions[i]);
- }
- } else {
- reinterpretExpressionAsPattern(expr);
- }
+ following = state.input.charCodeAt(state.position + 1);
- expr = {
- type: PlaceHolders.ArrowParameterPlaceHolder,
- params: expr.type === Syntax.SequenceExpression ? expr.expressions : [expr]
- };
- }
- isBindingElement = false;
- return expr;
+ if (!is_WS_OR_EOL(following)) {
+ break;
}
+ detected = true;
+ state.position++;
- // ECMA-262 12.2 Primary Expressions
-
- function parsePrimaryExpression() {
- var type, token, expr, node;
+ if (skipSeparationSpace(state, true, -1)) {
+ if (state.lineIndent <= nodeIndent) {
+ _result.push(null);
+ ch = state.input.charCodeAt(state.position);
+ continue;
+ }
+ }
- if (match('(')) {
- isBindingElement = false;
- return inheritCoverGrammar(parseGroupExpression);
- }
+ _line = state.line;
+ composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);
+ _result.push(state.result);
+ skipSeparationSpace(state, true, -1);
- if (match('[')) {
- return inheritCoverGrammar(parseArrayInitializer);
- }
+ ch = state.input.charCodeAt(state.position);
- if (match('{')) {
- return inheritCoverGrammar(parseObjectInitializer);
- }
+ if ((state.line === _line || state.lineIndent > nodeIndent) && (0 !== ch)) {
+ throwError(state, 'bad indentation of a sequence entry');
+ } else if (state.lineIndent < nodeIndent) {
+ break;
+ }
+ }
- type = lookahead.type;
- node = new Node();
+ if (detected) {
+ state.tag = _tag;
+ state.anchor = _anchor;
+ state.kind = 'sequence';
+ state.result = _result;
+ return true;
+ }
+ return false;
+}
- if (type === Token.Identifier) {
- if (state.sourceType === 'module' && lookahead.value === 'await') {
- tolerateUnexpectedToken(lookahead);
- }
- expr = node.finishIdentifier(lex().value);
- } else if (type === Token.StringLiteral || type === Token.NumericLiteral) {
- isAssignmentTarget = isBindingElement = false;
- if (strict && lookahead.octal) {
- tolerateUnexpectedToken(lookahead, Messages.StrictOctalLiteral);
- }
- expr = node.finishLiteral(lex());
- } else if (type === Token.Keyword) {
- if (!strict && state.allowYield && matchKeyword('yield')) {
- return parseNonComputedProperty();
- }
- if (!strict && matchKeyword('let')) {
- return node.finishIdentifier(lex().value);
- }
- isAssignmentTarget = isBindingElement = false;
- if (matchKeyword('function')) {
- return parseFunctionExpression();
- }
- if (matchKeyword('this')) {
- lex();
- return node.finishThisExpression();
- }
- if (matchKeyword('class')) {
- return parseClassExpression();
- }
- throwUnexpectedToken(lex());
- } else if (type === Token.BooleanLiteral) {
- isAssignmentTarget = isBindingElement = false;
- token = lex();
- token.value = (token.value === 'true');
- expr = node.finishLiteral(token);
- } else if (type === Token.NullLiteral) {
- isAssignmentTarget = isBindingElement = false;
- token = lex();
- token.value = null;
- expr = node.finishLiteral(token);
- } else if (match('/') || match('/=')) {
- isAssignmentTarget = isBindingElement = false;
- index = startIndex;
-
- if (typeof extra.tokens !== 'undefined') {
- token = collectRegex();
- } else {
- token = scanRegExp();
- }
- lex();
- expr = node.finishLiteral(token);
- } else if (type === Token.Template) {
- expr = parseTemplateLiteral();
- } else {
- throwUnexpectedToken(lex());
- }
+function readBlockMapping(state, nodeIndent, flowIndent) {
+ var following,
+ allowCompact,
+ _line,
+ _tag = state.tag,
+ _anchor = state.anchor,
+ _result = {},
+ keyTag = null,
+ keyNode = null,
+ valueNode = null,
+ atExplicitKey = false,
+ detected = false,
+ ch;
- return expr;
- }
+ if (null !== state.anchor) {
+ state.anchorMap[state.anchor] = _result;
+ }
- // ECMA-262 12.3 Left-Hand-Side Expressions
+ ch = state.input.charCodeAt(state.position);
- function parseArguments() {
- var args = [], expr;
+ while (0 !== ch) {
+ following = state.input.charCodeAt(state.position + 1);
+ _line = state.line; // Save the current line.
- expect('(');
+ //
+ // Explicit notation case. There are two separate blocks:
+ // first for the key (denoted by "?") and second for the value (denoted by ":")
+ //
+ if ((0x3F/* ? */ === ch || 0x3A/* : */ === ch) && is_WS_OR_EOL(following)) {
- if (!match(')')) {
- while (startIndex < length) {
- if (match('...')) {
- expr = new Node();
- lex();
- expr.finishSpreadElement(isolateCoverGrammar(parseAssignmentExpression));
- } else {
- expr = isolateCoverGrammar(parseAssignmentExpression);
- }
- args.push(expr);
- if (match(')')) {
- break;
- }
- expectCommaSeparator();
- }
+ if (0x3F/* ? */ === ch) {
+ if (atExplicitKey) {
+ storeMappingPair(state, _result, keyTag, keyNode, null);
+ keyTag = keyNode = valueNode = null;
}
- expect(')');
+ detected = true;
+ atExplicitKey = true;
+ allowCompact = true;
- return args;
- }
+ } else if (atExplicitKey) {
+ // i.e. 0x3A/* : */ === character after the explicit key.
+ atExplicitKey = false;
+ allowCompact = true;
- function parseNonComputedProperty() {
- var token, node = new Node();
+ } else {
+ throwError(state, 'incomplete explicit mapping pair; a key node is missed');
+ }
- token = lex();
+ state.position += 1;
+ ch = following;
- if (!isIdentifierName(token)) {
- throwUnexpectedToken(token);
- }
+ //
+ // Implicit notation case. Flow-style node as the key first, then ":", and the value.
+ //
+ } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {
- return node.finishIdentifier(token.value);
- }
+ if (state.line === _line) {
+ ch = state.input.charCodeAt(state.position);
- function parseNonComputedMember() {
- expect('.');
+ while (is_WHITE_SPACE(ch)) {
+ ch = state.input.charCodeAt(++state.position);
+ }
- return parseNonComputedProperty();
- }
+ if (0x3A/* : */ === ch) {
+ ch = state.input.charCodeAt(++state.position);
- function parseComputedMember() {
- var expr;
+ if (!is_WS_OR_EOL(ch)) {
+ throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');
+ }
- expect('[');
+ if (atExplicitKey) {
+ storeMappingPair(state, _result, keyTag, keyNode, null);
+ keyTag = keyNode = valueNode = null;
+ }
- expr = isolateCoverGrammar(parseExpression);
+ detected = true;
+ atExplicitKey = false;
+ allowCompact = false;
+ keyTag = state.tag;
+ keyNode = state.result;
- expect(']');
+ } else if (detected) {
+ throwError(state, 'can not read an implicit mapping pair; a colon is missed');
- return expr;
- }
+ } else {
+ state.tag = _tag;
+ state.anchor = _anchor;
+ return true; // Keep the result of `composeNode`.
+ }
- // ECMA-262 12.3.3 The new Operator
+ } else if (detected) {
+ throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');
- function parseNewExpression() {
- var callee, args, node = new Node();
+ } else {
+ state.tag = _tag;
+ state.anchor = _anchor;
+ return true; // Keep the result of `composeNode`.
+ }
- expectKeyword('new');
+ } else {
+ break; // Reading is done. Go to the epilogue.
+ }
- if (match('.')) {
- lex();
- if (lookahead.type === Token.Identifier && lookahead.value === 'target') {
- if (state.inFunctionBody) {
- lex();
- return node.finishMetaProperty('new', 'target');
- }
- }
- throwUnexpectedToken(lookahead);
+ //
+ // Common reading code for both explicit and implicit notations.
+ //
+ if (state.line === _line || state.lineIndent > nodeIndent) {
+ if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {
+ if (atExplicitKey) {
+ keyNode = state.result;
+ } else {
+ valueNode = state.result;
}
+ }
- callee = isolateCoverGrammar(parseLeftHandSideExpression);
- args = match('(') ? parseArguments() : [];
+ if (!atExplicitKey) {
+ storeMappingPair(state, _result, keyTag, keyNode, valueNode);
+ keyTag = keyNode = valueNode = null;
+ }
- isAssignmentTarget = isBindingElement = false;
+ skipSeparationSpace(state, true, -1);
+ ch = state.input.charCodeAt(state.position);
+ }
- return node.finishNewExpression(callee, args);
+ if (state.lineIndent > nodeIndent && (0 !== ch)) {
+ throwError(state, 'bad indentation of a mapping entry');
+ } else if (state.lineIndent < nodeIndent) {
+ break;
}
+ }
- // ECMA-262 12.3.4 Function Calls
+ //
+ // Epilogue.
+ //
- function parseLeftHandSideExpressionAllowCall() {
- var quasi, expr, args, property, startToken, previousAllowIn = state.allowIn;
+ // Special case: last mapping's node contains only the key in explicit notation.
+ if (atExplicitKey) {
+ storeMappingPair(state, _result, keyTag, keyNode, null);
+ }
- startToken = lookahead;
- state.allowIn = true;
+ // Expose the resulting mapping.
+ if (detected) {
+ state.tag = _tag;
+ state.anchor = _anchor;
+ state.kind = 'mapping';
+ state.result = _result;
+ }
- if (matchKeyword('super') && state.inFunctionBody) {
- expr = new Node();
- lex();
- expr = expr.finishSuper();
- if (!match('(') && !match('.') && !match('[')) {
- throwUnexpectedToken(lookahead);
- }
- } else {
- expr = inheritCoverGrammar(matchKeyword('new') ? parseNewExpression : parsePrimaryExpression);
- }
+ return detected;
+}
- for (;;) {
- if (match('.')) {
- isBindingElement = false;
- isAssignmentTarget = true;
- property = parseNonComputedMember();
- expr = new WrappingNode(startToken).finishMemberExpression('.', expr, property);
- } else if (match('(')) {
- isBindingElement = false;
- isAssignmentTarget = false;
- args = parseArguments();
- expr = new WrappingNode(startToken).finishCallExpression(expr, args);
- } else if (match('[')) {
- isBindingElement = false;
- isAssignmentTarget = true;
- property = parseComputedMember();
- expr = new WrappingNode(startToken).finishMemberExpression('[', expr, property);
- } else if (lookahead.type === Token.Template && lookahead.head) {
- quasi = parseTemplateLiteral();
- expr = new WrappingNode(startToken).finishTaggedTemplateExpression(expr, quasi);
- } else {
- break;
- }
- }
- state.allowIn = previousAllowIn;
+function readTagProperty(state) {
+ var _position,
+ isVerbatim = false,
+ isNamed = false,
+ tagHandle,
+ tagName,
+ ch;
- return expr;
- }
+ ch = state.input.charCodeAt(state.position);
- // ECMA-262 12.3 Left-Hand-Side Expressions
+ if (0x21/* ! */ !== ch) {
+ return false;
+ }
- function parseLeftHandSideExpression() {
- var quasi, expr, property, startToken;
- assert(state.allowIn, 'callee of new expression always allow in keyword.');
+ if (null !== state.tag) {
+ throwError(state, 'duplication of a tag property');
+ }
- startToken = lookahead;
+ ch = state.input.charCodeAt(++state.position);
- if (matchKeyword('super') && state.inFunctionBody) {
- expr = new Node();
- lex();
- expr = expr.finishSuper();
- if (!match('[') && !match('.')) {
- throwUnexpectedToken(lookahead);
- }
- } else {
- expr = inheritCoverGrammar(matchKeyword('new') ? parseNewExpression : parsePrimaryExpression);
- }
+ if (0x3C/* < */ === ch) {
+ isVerbatim = true;
+ ch = state.input.charCodeAt(++state.position);
- for (;;) {
- if (match('[')) {
- isBindingElement = false;
- isAssignmentTarget = true;
- property = parseComputedMember();
- expr = new WrappingNode(startToken).finishMemberExpression('[', expr, property);
- } else if (match('.')) {
- isBindingElement = false;
- isAssignmentTarget = true;
- property = parseNonComputedMember();
- expr = new WrappingNode(startToken).finishMemberExpression('.', expr, property);
- } else if (lookahead.type === Token.Template && lookahead.head) {
- quasi = parseTemplateLiteral();
- expr = new WrappingNode(startToken).finishTaggedTemplateExpression(expr, quasi);
- } else {
- break;
- }
- }
- return expr;
- }
+ } else if (0x21/* ! */ === ch) {
+ isNamed = true;
+ tagHandle = '!!';
+ ch = state.input.charCodeAt(++state.position);
- // ECMA-262 12.4 Postfix Expressions
+ } else {
+ tagHandle = '!';
+ }
- function parsePostfixExpression() {
- var expr, token, startToken = lookahead;
+ _position = state.position;
- expr = inheritCoverGrammar(parseLeftHandSideExpressionAllowCall);
+ if (isVerbatim) {
+ do { ch = state.input.charCodeAt(++state.position); }
+ while (0 !== ch && 0x3E/* > */ !== ch);
- if (!hasLineTerminator && lookahead.type === Token.Punctuator) {
- if (match('++') || match('--')) {
- // ECMA-262 11.3.1, 11.3.2
- if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
- tolerateError(Messages.StrictLHSPostfix);
- }
+ if (state.position < state.length) {
+ tagName = state.input.slice(_position, state.position);
+ ch = state.input.charCodeAt(++state.position);
+ } else {
+ throwError(state, 'unexpected end of the stream within a verbatim tag');
+ }
+ } else {
+ while (0 !== ch && !is_WS_OR_EOL(ch)) {
- if (!isAssignmentTarget) {
- tolerateError(Messages.InvalidLHSInAssignment);
- }
+ if (0x21/* ! */ === ch) {
+ if (!isNamed) {
+ tagHandle = state.input.slice(_position - 1, state.position + 1);
- isAssignmentTarget = isBindingElement = false;
+ if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
+ throwError(state, 'named tag handle cannot contain such characters');
+ }
- token = lex();
- expr = new WrappingNode(startToken).finishPostfixExpression(token.value, expr);
- }
+ isNamed = true;
+ _position = state.position + 1;
+ } else {
+ throwError(state, 'tag suffix cannot contain exclamation marks');
}
+ }
- return expr;
+ ch = state.input.charCodeAt(++state.position);
}
- // ECMA-262 12.5 Unary Operators
+ tagName = state.input.slice(_position, state.position);
- function parseUnaryExpression() {
- var token, expr, startToken;
+ if (PATTERN_FLOW_INDICATORS.test(tagName)) {
+ throwError(state, 'tag suffix cannot contain flow indicator characters');
+ }
+ }
- if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
- expr = parsePostfixExpression();
- } else if (match('++') || match('--')) {
- startToken = lookahead;
- token = lex();
- expr = inheritCoverGrammar(parseUnaryExpression);
- // ECMA-262 11.4.4, 11.4.5
- if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
- tolerateError(Messages.StrictLHSPrefix);
- }
+ if (tagName && !PATTERN_TAG_URI.test(tagName)) {
+ throwError(state, 'tag name cannot contain such characters: ' + tagName);
+ }
- if (!isAssignmentTarget) {
- tolerateError(Messages.InvalidLHSInAssignment);
- }
- expr = new WrappingNode(startToken).finishUnaryExpression(token.value, expr);
- isAssignmentTarget = isBindingElement = false;
- } else if (match('+') || match('-') || match('~') || match('!')) {
- startToken = lookahead;
- token = lex();
- expr = inheritCoverGrammar(parseUnaryExpression);
- expr = new WrappingNode(startToken).finishUnaryExpression(token.value, expr);
- isAssignmentTarget = isBindingElement = false;
- } else if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
- startToken = lookahead;
- token = lex();
- expr = inheritCoverGrammar(parseUnaryExpression);
- expr = new WrappingNode(startToken).finishUnaryExpression(token.value, expr);
- if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) {
- tolerateError(Messages.StrictDelete);
- }
- isAssignmentTarget = isBindingElement = false;
- } else {
- expr = parsePostfixExpression();
- }
+ if (isVerbatim) {
+ state.tag = tagName;
- return expr;
- }
+ } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) {
+ state.tag = state.tagMap[tagHandle] + tagName;
- function binaryPrecedence(token, allowIn) {
- var prec = 0;
+ } else if ('!' === tagHandle) {
+ state.tag = '!' + tagName;
- if (token.type !== Token.Punctuator && token.type !== Token.Keyword) {
- return 0;
- }
+ } else if ('!!' === tagHandle) {
+ state.tag = 'tag:yaml.org,2002:' + tagName;
- switch (token.value) {
- case '||':
- prec = 1;
- break;
+ } else {
+ throwError(state, 'undeclared tag handle "' + tagHandle + '"');
+ }
- case '&&':
- prec = 2;
- break;
+ return true;
+}
- case '|':
- prec = 3;
- break;
+function readAnchorProperty(state) {
+ var _position,
+ ch;
- case '^':
- prec = 4;
- break;
+ ch = state.input.charCodeAt(state.position);
- case '&':
- prec = 5;
- break;
+ if (0x26/* & */ !== ch) {
+ return false;
+ }
- case '==':
- case '!=':
- case '===':
- case '!==':
- prec = 6;
- break;
+ if (null !== state.anchor) {
+ throwError(state, 'duplication of an anchor property');
+ }
- case '<':
- case '>':
- case '<=':
- case '>=':
- case 'instanceof':
- prec = 7;
- break;
+ ch = state.input.charCodeAt(++state.position);
+ _position = state.position;
- case 'in':
- prec = allowIn ? 7 : 0;
- break;
+ while (0 !== ch && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
+ ch = state.input.charCodeAt(++state.position);
+ }
- case '<<':
- case '>>':
- case '>>>':
- prec = 8;
- break;
+ if (state.position === _position) {
+ throwError(state, 'name of an anchor node must contain at least one character');
+ }
- case '+':
- case '-':
- prec = 9;
- break;
+ state.anchor = state.input.slice(_position, state.position);
+ return true;
+}
- case '*':
- case '/':
- case '%':
- prec = 11;
- break;
+function readAlias(state) {
+ var _position, alias,
+ ch;
- default:
- break;
- }
+ ch = state.input.charCodeAt(state.position);
- return prec;
- }
+ if (0x2A/* * */ !== ch) {
+ return false;
+ }
- // ECMA-262 12.6 Multiplicative Operators
- // ECMA-262 12.7 Additive Operators
- // ECMA-262 12.8 Bitwise Shift Operators
- // ECMA-262 12.9 Relational Operators
- // ECMA-262 12.10 Equality Operators
- // ECMA-262 12.11 Binary Bitwise Operators
- // ECMA-262 12.12 Binary Logical Operators
+ ch = state.input.charCodeAt(++state.position);
+ _position = state.position;
- function parseBinaryExpression() {
- var marker, markers, expr, token, prec, stack, right, operator, left, i;
+ while (0 !== ch && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
+ ch = state.input.charCodeAt(++state.position);
+ }
- marker = lookahead;
- left = inheritCoverGrammar(parseUnaryExpression);
+ if (state.position === _position) {
+ throwError(state, 'name of an alias node must contain at least one character');
+ }
- token = lookahead;
- prec = binaryPrecedence(token, state.allowIn);
- if (prec === 0) {
- return left;
- }
- isAssignmentTarget = isBindingElement = false;
- token.prec = prec;
- lex();
+ alias = state.input.slice(_position, state.position);
- markers = [marker, lookahead];
- right = isolateCoverGrammar(parseUnaryExpression);
+ if (!state.anchorMap.hasOwnProperty(alias)) {
+ throwError(state, 'unidentified alias "' + alias + '"');
+ }
- stack = [left, token, right];
+ state.result = state.anchorMap[alias];
+ skipSeparationSpace(state, true, -1);
+ return true;
+}
- while ((prec = binaryPrecedence(lookahead, state.allowIn)) > 0) {
+function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {
+ var allowBlockStyles,
+ allowBlockScalars,
+ allowBlockCollections,
+ indentStatus = 1, // 1: this>parent, 0: this=parent, -1: thisexpect(value)
+ * @since 2.0
+ */
+ function expectCommaSeparator() {
+ var token;
- if (_hasOwnProperty.call(state.tagMap, handle)) {
- throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle');
- }
+ if (extra.errors) {
+ token = lookahead;
+ if (token.type === Token.Punctuator && token.value === ',') {
+ lex();
+ } else if (token.type === Token.Punctuator && token.value === ';') {
+ lex();
+ tolerateUnexpectedToken(token);
+ } else {
+ tolerateUnexpectedToken(token, Messages.UnexpectedToken);
+ }
+ } else {
+ expect(',');
+ }
+ }
- if (!PATTERN_TAG_URI.test(prefix)) {
- throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');
- }
+ // Expect the next token to match the specified keyword.
+ // If not, an exception will be thrown.
- state.tagMap[handle] = prefix;
+ function expectKeyword(keyword) {
+ var token = lex();
+ if (token.type !== Token.Keyword || token.value !== keyword) {
+ throwUnexpectedToken(token);
+ }
}
-};
+ // Return true if the next token matches the specified punctuator.
-function captureSegment(state, start, end, checkJson) {
- var _position, _length, _character, _result;
+ function match(value) {
+ return lookahead.type === Token.Punctuator && lookahead.value === value;
+ }
- if (start < end) {
- _result = state.input.slice(start, end);
+ // Return true if the next token matches the specified keyword
- if (checkJson) {
- for (_position = 0, _length = _result.length;
- _position < _length;
- _position += 1) {
- _character = _result.charCodeAt(_position);
- if (!(0x09 === _character ||
- 0x20 <= _character && _character <= 0x10FFFF)) {
- throwError(state, 'expected valid JSON character');
- }
- }
- } else if (PATTERN_NON_PRINTABLE.test(_result)) {
- throwError(state, 'the stream contains non-printable characters');
+ function matchKeyword(keyword) {
+ return lookahead.type === Token.Keyword && lookahead.value === keyword;
}
- state.result += _result;
- }
-}
-
-function mergeMappings(state, destination, source) {
- var sourceKeys, key, index, quantity;
+ // Return true if the next token matches the specified contextual keyword
+ // (where an identifier is sometimes a keyword depending on the context)
- if (!common.isObject(source)) {
- throwError(state, 'cannot merge mappings; the provided source object is unacceptable');
- }
+ function matchContextualKeyword(keyword) {
+ return lookahead.type === Token.Identifier && lookahead.value === keyword;
+ }
- sourceKeys = Object.keys(source);
+ // Return true if the next token is an assignment operator
- for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {
- key = sourceKeys[index];
+ function matchAssign() {
+ var op;
- if (!_hasOwnProperty.call(destination, key)) {
- destination[key] = source[key];
+ if (lookahead.type !== Token.Punctuator) {
+ return false;
+ }
+ op = lookahead.value;
+ return op === '=' ||
+ op === '*=' ||
+ op === '/=' ||
+ op === '%=' ||
+ op === '+=' ||
+ op === '-=' ||
+ op === '<<=' ||
+ op === '>>=' ||
+ op === '>>>=' ||
+ op === '&=' ||
+ op === '^=' ||
+ op === '|=';
}
- }
-}
-function storeMappingPair(state, _result, keyTag, keyNode, valueNode) {
- var index, quantity;
+ function consumeSemicolon() {
+ // Catch the very common case first: immediately a semicolon (U+003B).
+ if (source.charCodeAt(startIndex) === 0x3B || match(';')) {
+ lex();
+ return;
+ }
- keyNode = String(keyNode);
+ if (hasLineTerminator) {
+ return;
+ }
- if (null === _result) {
- _result = {};
- }
+ // FIXME(ikarienator): this is seemingly an issue in the previous location info convention.
+ lastIndex = startIndex;
+ lastLineNumber = startLineNumber;
+ lastLineStart = startLineStart;
- if ('tag:yaml.org,2002:merge' === keyTag) {
- if (Array.isArray(valueNode)) {
- for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
- mergeMappings(state, _result, valueNode[index]);
- }
- } else {
- mergeMappings(state, _result, valueNode);
+ if (lookahead.type !== Token.EOF && !match('}')) {
+ throwUnexpectedToken(lookahead);
+ }
}
- } else {
- _result[keyNode] = valueNode;
- }
- return _result;
-}
+ // Cover grammar support.
+ //
+ // When an assignment expression position starts with an left parenthesis, the determination of the type
+ // of the syntax is to be deferred arbitrarily long until the end of the parentheses pair (plus a lookahead)
+ // or the first comma. This situation also defers the determination of all the expressions nested in the pair.
+ //
+ // There are three productions that can be parsed in a parentheses pair that needs to be determined
+ // after the outermost pair is closed. They are:
+ //
+ // 1. AssignmentExpression
+ // 2. BindingElements
+ // 3. AssignmentTargets
+ //
+ // In order to avoid exponential backtracking, we use two flags to denote if the production can be
+ // binding element or assignment target.
+ //
+ // The three productions have the relationship:
+ //
+ // BindingElements ⊆ AssignmentTargets ⊆ AssignmentExpression
+ //
+ // with a single exception that CoverInitializedName when used directly in an Expression, generates
+ // an early error. Therefore, we need the third state, firstCoverInitializedNameError, to track the
+ // first usage of CoverInitializedName and report it when we reached the end of the parentheses pair.
+ //
+ // isolateCoverGrammar function runs the given parser function with a new cover grammar context, and it does not
+ // effect the current flags. This means the production the parser parses is only used as an expression. Therefore
+ // the CoverInitializedName check is conducted.
+ //
+ // inheritCoverGrammar function runs the given parse function with a new cover grammar context, and it propagates
+ // the flags outside of the parser. This means the production the parser parses is used as a part of a potential
+ // pattern. The CoverInitializedName check is deferred.
+ function isolateCoverGrammar(parser) {
+ var oldIsBindingElement = isBindingElement,
+ oldIsAssignmentTarget = isAssignmentTarget,
+ oldFirstCoverInitializedNameError = firstCoverInitializedNameError,
+ result;
+ isBindingElement = true;
+ isAssignmentTarget = true;
+ firstCoverInitializedNameError = null;
+ result = parser();
+ if (firstCoverInitializedNameError !== null) {
+ throwUnexpectedToken(firstCoverInitializedNameError);
+ }
+ isBindingElement = oldIsBindingElement;
+ isAssignmentTarget = oldIsAssignmentTarget;
+ firstCoverInitializedNameError = oldFirstCoverInitializedNameError;
+ return result;
+ }
-function readLineBreak(state) {
- var ch;
+ function inheritCoverGrammar(parser) {
+ var oldIsBindingElement = isBindingElement,
+ oldIsAssignmentTarget = isAssignmentTarget,
+ oldFirstCoverInitializedNameError = firstCoverInitializedNameError,
+ result;
+ isBindingElement = true;
+ isAssignmentTarget = true;
+ firstCoverInitializedNameError = null;
+ result = parser();
+ isBindingElement = isBindingElement && oldIsBindingElement;
+ isAssignmentTarget = isAssignmentTarget && oldIsAssignmentTarget;
+ firstCoverInitializedNameError = oldFirstCoverInitializedNameError || firstCoverInitializedNameError;
+ return result;
+ }
- ch = state.input.charCodeAt(state.position);
+ // ECMA-262 13.3.3 Destructuring Binding Patterns
- if (0x0A/* LF */ === ch) {
- state.position++;
- } else if (0x0D/* CR */ === ch) {
- state.position++;
- if (0x0A/* LF */ === state.input.charCodeAt(state.position)) {
- state.position++;
- }
- } else {
- throwError(state, 'a line break is expected');
- }
+ function parseArrayPattern(params, kind) {
+ var node = new Node(), elements = [], rest, restNode;
+ expect('[');
- state.line += 1;
- state.lineStart = state.position;
-}
+ while (!match(']')) {
+ if (match(',')) {
+ lex();
+ elements.push(null);
+ } else {
+ if (match('...')) {
+ restNode = new Node();
+ lex();
+ params.push(lookahead);
+ rest = parseVariableIdentifier(kind);
+ elements.push(restNode.finishRestElement(rest));
+ break;
+ } else {
+ elements.push(parsePatternWithDefault(params, kind));
+ }
+ if (!match(']')) {
+ expect(',');
+ }
+ }
-function skipSeparationSpace(state, allowComments, checkIndent) {
- var lineBreaks = 0,
- ch = state.input.charCodeAt(state.position);
+ }
- while (0 !== ch) {
- while (is_WHITE_SPACE(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
+ expect(']');
- if (allowComments && 0x23/* # */ === ch) {
- do {
- ch = state.input.charCodeAt(++state.position);
- } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && 0 !== ch);
+ return node.finishArrayPattern(elements);
}
- if (is_EOL(ch)) {
- readLineBreak(state);
-
- ch = state.input.charCodeAt(state.position);
- lineBreaks++;
- state.lineIndent = 0;
+ function parsePropertyPattern(params, kind) {
+ var node = new Node(), key, keyToken, computed = match('['), init;
+ if (lookahead.type === Token.Identifier) {
+ keyToken = lookahead;
+ key = parseVariableIdentifier();
+ if (match('=')) {
+ params.push(keyToken);
+ lex();
+ init = parseAssignmentExpression();
- while (0x20/* Space */ === ch) {
- state.lineIndent++;
- ch = state.input.charCodeAt(++state.position);
- }
- } else {
- break;
+ return node.finishProperty(
+ 'init', key, false,
+ new WrappingNode(keyToken).finishAssignmentPattern(key, init), false, false);
+ } else if (!match(':')) {
+ params.push(keyToken);
+ return node.finishProperty('init', key, false, key, false, true);
+ }
+ } else {
+ key = parseObjectPropertyKey();
+ }
+ expect(':');
+ init = parsePatternWithDefault(params, kind);
+ return node.finishProperty('init', key, computed, init, false, false);
}
- }
- if (-1 !== checkIndent && 0 !== lineBreaks && state.lineIndent < checkIndent) {
- throwWarning(state, 'deficient indentation');
- }
+ function parseObjectPattern(params, kind) {
+ var node = new Node(), properties = [];
- return lineBreaks;
-}
+ expect('{');
-function testDocumentSeparator(state) {
- var _position = state.position,
- ch;
+ while (!match('}')) {
+ properties.push(parsePropertyPattern(params, kind));
+ if (!match('}')) {
+ expect(',');
+ }
+ }
- ch = state.input.charCodeAt(_position);
+ lex();
- // Condition state.position === state.lineStart is tested
- // in parent on each call, for efficiency. No needs to test here again.
- if ((0x2D/* - */ === ch || 0x2E/* . */ === ch) &&
- state.input.charCodeAt(_position + 1) === ch &&
- state.input.charCodeAt(_position + 2) === ch) {
+ return node.finishObjectPattern(properties);
+ }
- _position += 3;
+ function parsePattern(params, kind) {
+ if (match('[')) {
+ return parseArrayPattern(params, kind);
+ } else if (match('{')) {
+ return parseObjectPattern(params, kind);
+ } else if (matchKeyword('let')) {
+ if (kind === 'const' || kind === 'let') {
+ tolerateUnexpectedToken(lookahead, Messages.UnexpectedToken);
+ }
+ }
- ch = state.input.charCodeAt(_position);
+ params.push(lookahead);
+ return parseVariableIdentifier(kind);
+ }
- if (ch === 0 || is_WS_OR_EOL(ch)) {
- return true;
+ function parsePatternWithDefault(params, kind) {
+ var startToken = lookahead, pattern, previousAllowYield, right;
+ pattern = parsePattern(params, kind);
+ if (match('=')) {
+ lex();
+ previousAllowYield = state.allowYield;
+ state.allowYield = true;
+ right = isolateCoverGrammar(parseAssignmentExpression);
+ state.allowYield = previousAllowYield;
+ pattern = new WrappingNode(startToken).finishAssignmentPattern(pattern, right);
+ }
+ return pattern;
}
- }
- return false;
-}
+ // ECMA-262 12.2.5 Array Initializer
-function writeFoldedLines(state, count) {
- if (1 === count) {
- state.result += ' ';
- } else if (count > 1) {
- state.result += common.repeat('\n', count - 1);
- }
-}
+ function parseArrayInitializer() {
+ var elements = [], node = new Node(), restSpread;
+ expect('[');
-function readPlainScalar(state, nodeIndent, withinFlowCollection) {
- var preceding,
- following,
- captureStart,
- captureEnd,
- hasPendingContent,
- _line,
- _lineStart,
- _lineIndent,
- _kind = state.kind,
- _result = state.result,
- ch;
+ while (!match(']')) {
+ if (match(',')) {
+ lex();
+ elements.push(null);
+ } else if (match('...')) {
+ restSpread = new Node();
+ lex();
+ restSpread.finishSpreadElement(inheritCoverGrammar(parseAssignmentExpression));
- ch = state.input.charCodeAt(state.position);
+ if (!match(']')) {
+ isAssignmentTarget = isBindingElement = false;
+ expect(',');
+ }
+ elements.push(restSpread);
+ } else {
+ elements.push(inheritCoverGrammar(parseAssignmentExpression));
- if (is_WS_OR_EOL(ch) ||
- is_FLOW_INDICATOR(ch) ||
- 0x23/* # */ === ch ||
- 0x26/* & */ === ch ||
- 0x2A/* * */ === ch ||
- 0x21/* ! */ === ch ||
- 0x7C/* | */ === ch ||
- 0x3E/* > */ === ch ||
- 0x27/* ' */ === ch ||
- 0x22/* " */ === ch ||
- 0x25/* % */ === ch ||
- 0x40/* @ */ === ch ||
- 0x60/* ` */ === ch) {
- return false;
- }
+ if (!match(']')) {
+ expect(',');
+ }
+ }
+ }
- if (0x3F/* ? */ === ch || 0x2D/* - */ === ch) {
- following = state.input.charCodeAt(state.position + 1);
+ lex();
- if (is_WS_OR_EOL(following) ||
- withinFlowCollection && is_FLOW_INDICATOR(following)) {
- return false;
+ return node.finishArrayExpression(elements);
}
- }
-
- state.kind = 'scalar';
- state.result = '';
- captureStart = captureEnd = state.position;
- hasPendingContent = false;
- while (0 !== ch) {
- if (0x3A/* : */ === ch) {
- following = state.input.charCodeAt(state.position + 1);
-
- if (is_WS_OR_EOL(following) ||
- withinFlowCollection && is_FLOW_INDICATOR(following)) {
- break;
- }
+ // ECMA-262 12.2.6 Object Initializer
- } else if (0x23/* # */ === ch) {
- preceding = state.input.charCodeAt(state.position - 1);
+ function parsePropertyFunction(node, paramInfo, isGenerator) {
+ var previousStrict, body;
- if (is_WS_OR_EOL(preceding)) {
- break;
- }
+ isAssignmentTarget = isBindingElement = false;
- } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||
- withinFlowCollection && is_FLOW_INDICATOR(ch)) {
- break;
+ previousStrict = strict;
+ body = isolateCoverGrammar(parseFunctionSourceElements);
- } else if (is_EOL(ch)) {
- _line = state.line;
- _lineStart = state.lineStart;
- _lineIndent = state.lineIndent;
- skipSeparationSpace(state, false, -1);
+ if (strict && paramInfo.firstRestricted) {
+ tolerateUnexpectedToken(paramInfo.firstRestricted, paramInfo.message);
+ }
+ if (strict && paramInfo.stricted) {
+ tolerateUnexpectedToken(paramInfo.stricted, paramInfo.message);
+ }
- if (state.lineIndent >= nodeIndent) {
- hasPendingContent = true;
- ch = state.input.charCodeAt(state.position);
- continue;
- } else {
- state.position = captureEnd;
- state.line = _line;
- state.lineStart = _lineStart;
- state.lineIndent = _lineIndent;
- break;
- }
+ strict = previousStrict;
+ return node.finishFunctionExpression(null, paramInfo.params, paramInfo.defaults, body, isGenerator);
}
- if (hasPendingContent) {
- captureSegment(state, captureStart, captureEnd, false);
- writeFoldedLines(state, state.line - _line);
- captureStart = captureEnd = state.position;
- hasPendingContent = false;
- }
+ function parsePropertyMethodFunction() {
+ var params, method, node = new Node(),
+ previousAllowYield = state.allowYield;
- if (!is_WHITE_SPACE(ch)) {
- captureEnd = state.position + 1;
- }
+ state.allowYield = false;
+ params = parseParams();
+ state.allowYield = previousAllowYield;
- ch = state.input.charCodeAt(++state.position);
- }
+ state.allowYield = false;
+ method = parsePropertyFunction(node, params, false);
+ state.allowYield = previousAllowYield;
- captureSegment(state, captureStart, captureEnd, false);
+ return method;
+ }
- if (state.result) {
- return true;
- }
+ function parseObjectPropertyKey() {
+ var token, node = new Node(), expr;
- state.kind = _kind;
- state.result = _result;
- return false;
-}
+ token = lex();
-function readSingleQuotedScalar(state, nodeIndent) {
- var ch,
- captureStart, captureEnd;
+ // Note: This function is called only from parseObjectProperty(), where
+ // EOF and Punctuator tokens are already filtered out.
- ch = state.input.charCodeAt(state.position);
+ switch (token.type) {
+ case Token.StringLiteral:
+ case Token.NumericLiteral:
+ if (strict && token.octal) {
+ tolerateUnexpectedToken(token, Messages.StrictOctalLiteral);
+ }
+ return node.finishLiteral(token);
+ case Token.Identifier:
+ case Token.BooleanLiteral:
+ case Token.NullLiteral:
+ case Token.Keyword:
+ return node.finishIdentifier(token.value);
+ case Token.Punctuator:
+ if (token.value === '[') {
+ expr = isolateCoverGrammar(parseAssignmentExpression);
+ expect(']');
+ return expr;
+ }
+ break;
+ }
+ throwUnexpectedToken(token);
+ }
- if (0x27/* ' */ !== ch) {
- return false;
- }
+ function lookaheadPropertyName() {
+ switch (lookahead.type) {
+ case Token.Identifier:
+ case Token.StringLiteral:
+ case Token.BooleanLiteral:
+ case Token.NullLiteral:
+ case Token.NumericLiteral:
+ case Token.Keyword:
+ return true;
+ case Token.Punctuator:
+ return lookahead.value === '[';
+ }
+ return false;
+ }
- state.kind = 'scalar';
- state.result = '';
- state.position++;
- captureStart = captureEnd = state.position;
+ // This function is to try to parse a MethodDefinition as defined in 14.3. But in the case of object literals,
+ // it might be called at a position where there is in fact a short hand identifier pattern or a data property.
+ // This can only be determined after we consumed up to the left parentheses.
+ //
+ // In order to avoid back tracking, it returns `null` if the position is not a MethodDefinition and the caller
+ // is responsible to visit other options.
+ function tryParseMethodDefinition(token, key, computed, node) {
+ var value, options, methodNode, params,
+ previousAllowYield = state.allowYield;
- while (0 !== (ch = state.input.charCodeAt(state.position))) {
- if (0x27/* ' */ === ch) {
- captureSegment(state, captureStart, state.position, true);
- ch = state.input.charCodeAt(++state.position);
+ if (token.type === Token.Identifier) {
+ // check for `get` and `set`;
- if (0x27/* ' */ === ch) {
- captureStart = captureEnd = state.position;
- state.position++;
- } else {
- return true;
- }
+ if (token.value === 'get' && lookaheadPropertyName()) {
+ computed = match('[');
+ key = parseObjectPropertyKey();
+ methodNode = new Node();
+ expect('(');
+ expect(')');
- } else if (is_EOL(ch)) {
- captureSegment(state, captureStart, captureEnd, true);
- writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
- captureStart = captureEnd = state.position;
+ state.allowYield = false;
+ value = parsePropertyFunction(methodNode, {
+ params: [],
+ defaults: [],
+ stricted: null,
+ firstRestricted: null,
+ message: null
+ }, false);
+ state.allowYield = previousAllowYield;
- } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
- throwError(state, 'unexpected end of the document within a single quoted scalar');
+ return node.finishProperty('get', key, computed, value, false, false);
+ } else if (token.value === 'set' && lookaheadPropertyName()) {
+ computed = match('[');
+ key = parseObjectPropertyKey();
+ methodNode = new Node();
+ expect('(');
- } else {
- state.position++;
- captureEnd = state.position;
- }
- }
+ options = {
+ params: [],
+ defaultCount: 0,
+ defaults: [],
+ firstRestricted: null,
+ paramSet: {}
+ };
+ if (match(')')) {
+ tolerateUnexpectedToken(lookahead);
+ } else {
+ state.allowYield = false;
+ parseParam(options);
+ state.allowYield = previousAllowYield;
+ if (options.defaultCount === 0) {
+ options.defaults = [];
+ }
+ }
+ expect(')');
- throwError(state, 'unexpected end of the stream within a single quoted scalar');
-}
+ state.allowYield = false;
+ value = parsePropertyFunction(methodNode, options, false);
+ state.allowYield = previousAllowYield;
-function readDoubleQuotedScalar(state, nodeIndent) {
- var captureStart,
- captureEnd,
- hexLength,
- hexResult,
- tmp,
- ch;
+ return node.finishProperty('set', key, computed, value, false, false);
+ }
+ } else if (token.type === Token.Punctuator && token.value === '*' && lookaheadPropertyName()) {
+ computed = match('[');
+ key = parseObjectPropertyKey();
+ methodNode = new Node();
- ch = state.input.charCodeAt(state.position);
+ state.allowYield = true;
+ params = parseParams();
+ state.allowYield = previousAllowYield;
- if (0x22/* " */ !== ch) {
- return false;
- }
+ state.allowYield = false;
+ value = parsePropertyFunction(methodNode, params, true);
+ state.allowYield = previousAllowYield;
- state.kind = 'scalar';
- state.result = '';
- state.position++;
- captureStart = captureEnd = state.position;
+ return node.finishProperty('init', key, computed, value, true, false);
+ }
- while (0 !== (ch = state.input.charCodeAt(state.position))) {
- if (0x22/* " */ === ch) {
- captureSegment(state, captureStart, state.position, true);
- state.position++;
- return true;
+ if (key && match('(')) {
+ value = parsePropertyMethodFunction();
+ return node.finishProperty('init', key, computed, value, true, false);
+ }
- } else if (0x5C/* \ */ === ch) {
- captureSegment(state, captureStart, state.position, true);
- ch = state.input.charCodeAt(++state.position);
+ // Not a MethodDefinition.
+ return null;
+ }
- if (is_EOL(ch)) {
- skipSeparationSpace(state, false, nodeIndent);
+ function parseObjectProperty(hasProto) {
+ var token = lookahead, node = new Node(), computed, key, maybeMethod, proto, value;
- // TODO: rework to inline fn with no type cast?
- } else if (ch < 256 && simpleEscapeCheck[ch]) {
- state.result += simpleEscapeMap[ch];
- state.position++;
+ computed = match('[');
+ if (match('*')) {
+ lex();
+ } else {
+ key = parseObjectPropertyKey();
+ }
+ maybeMethod = tryParseMethodDefinition(token, key, computed, node);
+ if (maybeMethod) {
+ return maybeMethod;
+ }
- } else if ((tmp = escapedHexLen(ch)) > 0) {
- hexLength = tmp;
- hexResult = 0;
+ if (!key) {
+ throwUnexpectedToken(lookahead);
+ }
- for (; hexLength > 0; hexLength--) {
- ch = state.input.charCodeAt(++state.position);
+ // Check for duplicated __proto__
+ if (!computed) {
+ proto = (key.type === Syntax.Identifier && key.name === '__proto__') ||
+ (key.type === Syntax.Literal && key.value === '__proto__');
+ if (hasProto.value && proto) {
+ tolerateError(Messages.DuplicateProtoProperty);
+ }
+ hasProto.value |= proto;
+ }
- if ((tmp = fromHexCode(ch)) >= 0) {
- hexResult = (hexResult << 4) + tmp;
+ if (match(':')) {
+ lex();
+ value = inheritCoverGrammar(parseAssignmentExpression);
+ return node.finishProperty('init', key, computed, value, false, false);
+ }
- } else {
- throwError(state, 'expected hexadecimal character');
- }
+ if (token.type === Token.Identifier) {
+ if (match('=')) {
+ firstCoverInitializedNameError = lookahead;
+ lex();
+ value = isolateCoverGrammar(parseAssignmentExpression);
+ return node.finishProperty('init', key, computed,
+ new WrappingNode(token).finishAssignmentPattern(key, value), false, true);
+ }
+ return node.finishProperty('init', key, computed, key, false, true);
}
- state.result += charFromCodepoint(hexResult);
+ throwUnexpectedToken(lookahead);
+ }
- state.position++;
+ function parseObjectInitializer() {
+ var properties = [], hasProto = {value: false}, node = new Node();
- } else {
- throwError(state, 'unknown escape sequence');
- }
+ expect('{');
- captureStart = captureEnd = state.position;
+ while (!match('}')) {
+ properties.push(parseObjectProperty(hasProto));
- } else if (is_EOL(ch)) {
- captureSegment(state, captureStart, captureEnd, true);
- writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
- captureStart = captureEnd = state.position;
+ if (!match('}')) {
+ expectCommaSeparator();
+ }
+ }
- } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
- throwError(state, 'unexpected end of the document within a double quoted scalar');
+ expect('}');
- } else {
- state.position++;
- captureEnd = state.position;
+ return node.finishObjectExpression(properties);
}
- }
-
- throwError(state, 'unexpected end of the stream within a double quoted scalar');
-}
-
-function readFlowCollection(state, nodeIndent) {
- var readNext = true,
- _line,
- _tag = state.tag,
- _result,
- _anchor = state.anchor,
- following,
- terminator,
- isPair,
- isExplicitPair,
- isMapping,
- keyNode,
- keyTag,
- valueNode,
- ch;
-
- ch = state.input.charCodeAt(state.position);
- if (ch === 0x5B/* [ */) {
- terminator = 0x5D;/* ] */
- isMapping = false;
- _result = [];
- } else if (ch === 0x7B/* { */) {
- terminator = 0x7D;/* } */
- isMapping = true;
- _result = {};
- } else {
- return false;
- }
+ function reinterpretExpressionAsPattern(expr) {
+ var i;
+ switch (expr.type) {
+ case Syntax.Identifier:
+ case Syntax.MemberExpression:
+ case Syntax.RestElement:
+ case Syntax.AssignmentPattern:
+ break;
+ case Syntax.SpreadElement:
+ expr.type = Syntax.RestElement;
+ reinterpretExpressionAsPattern(expr.argument);
+ break;
+ case Syntax.ArrayExpression:
+ expr.type = Syntax.ArrayPattern;
+ for (i = 0; i < expr.elements.length; i++) {
+ if (expr.elements[i] !== null) {
+ reinterpretExpressionAsPattern(expr.elements[i]);
+ }
+ }
+ break;
+ case Syntax.ObjectExpression:
+ expr.type = Syntax.ObjectPattern;
+ for (i = 0; i < expr.properties.length; i++) {
+ reinterpretExpressionAsPattern(expr.properties[i].value);
+ }
+ break;
+ case Syntax.AssignmentExpression:
+ expr.type = Syntax.AssignmentPattern;
+ reinterpretExpressionAsPattern(expr.left);
+ break;
+ default:
+ // Allow other node type for tolerant parsing.
+ break;
+ }
+ }
- if (null !== state.anchor) {
- state.anchorMap[state.anchor] = _result;
- }
+ // ECMA-262 12.2.9 Template Literals
- ch = state.input.charCodeAt(++state.position);
+ function parseTemplateElement(option) {
+ var node, token;
- while (0 !== ch) {
- skipSeparationSpace(state, true, nodeIndent);
+ if (lookahead.type !== Token.Template || (option.head && !lookahead.head)) {
+ throwUnexpectedToken();
+ }
- ch = state.input.charCodeAt(state.position);
+ node = new Node();
+ token = lex();
- if (ch === terminator) {
- state.position++;
- state.tag = _tag;
- state.anchor = _anchor;
- state.kind = isMapping ? 'mapping' : 'sequence';
- state.result = _result;
- return true;
- } else if (!readNext) {
- throwError(state, 'missed comma between flow collection entries');
+ return node.finishTemplateElement({ raw: token.value.raw, cooked: token.value.cooked }, token.tail);
}
- keyTag = keyNode = valueNode = null;
- isPair = isExplicitPair = false;
+ function parseTemplateLiteral() {
+ var quasi, quasis, expressions, node = new Node();
- if (0x3F/* ? */ === ch) {
- following = state.input.charCodeAt(state.position + 1);
+ quasi = parseTemplateElement({ head: true });
+ quasis = [quasi];
+ expressions = [];
- if (is_WS_OR_EOL(following)) {
- isPair = isExplicitPair = true;
- state.position++;
- skipSeparationSpace(state, true, nodeIndent);
- }
+ while (!quasi.tail) {
+ expressions.push(parseExpression());
+ quasi = parseTemplateElement({ head: false });
+ quasis.push(quasi);
+ }
+
+ return node.finishTemplateLiteral(quasis, expressions);
}
- _line = state.line;
- composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
- keyTag = state.tag;
- keyNode = state.result;
- skipSeparationSpace(state, true, nodeIndent);
+ // ECMA-262 12.2.10 The Grouping Operator
- ch = state.input.charCodeAt(state.position);
+ function parseGroupExpression() {
+ var expr, expressions, startToken, i, params = [];
- if ((isExplicitPair || state.line === _line) && 0x3A/* : */ === ch) {
- isPair = true;
- ch = state.input.charCodeAt(++state.position);
- skipSeparationSpace(state, true, nodeIndent);
- composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
- valueNode = state.result;
- }
+ expect('(');
- if (isMapping) {
- storeMappingPair(state, _result, keyTag, keyNode, valueNode);
- } else if (isPair) {
- _result.push(storeMappingPair(state, null, keyTag, keyNode, valueNode));
- } else {
- _result.push(keyNode);
- }
+ if (match(')')) {
+ lex();
+ if (!match('=>')) {
+ expect('=>');
+ }
+ return {
+ type: PlaceHolders.ArrowParameterPlaceHolder,
+ params: [],
+ rawParams: []
+ };
+ }
- skipSeparationSpace(state, true, nodeIndent);
+ startToken = lookahead;
+ if (match('...')) {
+ expr = parseRestElement(params);
+ expect(')');
+ if (!match('=>')) {
+ expect('=>');
+ }
+ return {
+ type: PlaceHolders.ArrowParameterPlaceHolder,
+ params: [expr]
+ };
+ }
- ch = state.input.charCodeAt(state.position);
+ isBindingElement = true;
+ expr = inheritCoverGrammar(parseAssignmentExpression);
- if (0x2C/* , */ === ch) {
- readNext = true;
- ch = state.input.charCodeAt(++state.position);
- } else {
- readNext = false;
- }
- }
+ if (match(',')) {
+ isAssignmentTarget = false;
+ expressions = [expr];
- throwError(state, 'unexpected end of the stream within a flow collection');
-}
+ while (startIndex < length) {
+ if (!match(',')) {
+ break;
+ }
+ lex();
-function readBlockScalar(state, nodeIndent) {
- var captureStart,
- folding,
- chomping = CHOMPING_CLIP,
- detectedIndent = false,
- textIndent = nodeIndent,
- emptyLines = 0,
- atMoreIndented = false,
- tmp,
- ch;
+ if (match('...')) {
+ if (!isBindingElement) {
+ throwUnexpectedToken(lookahead);
+ }
+ expressions.push(parseRestElement(params));
+ expect(')');
+ if (!match('=>')) {
+ expect('=>');
+ }
+ isBindingElement = false;
+ for (i = 0; i < expressions.length; i++) {
+ reinterpretExpressionAsPattern(expressions[i]);
+ }
+ return {
+ type: PlaceHolders.ArrowParameterPlaceHolder,
+ params: expressions
+ };
+ }
- ch = state.input.charCodeAt(state.position);
+ expressions.push(inheritCoverGrammar(parseAssignmentExpression));
+ }
- if (ch === 0x7C/* | */) {
- folding = false;
- } else if (ch === 0x3E/* > */) {
- folding = true;
- } else {
- return false;
- }
+ expr = new WrappingNode(startToken).finishSequenceExpression(expressions);
+ }
- state.kind = 'scalar';
- state.result = '';
- while (0 !== ch) {
- ch = state.input.charCodeAt(++state.position);
+ expect(')');
- if (0x2B/* + */ === ch || 0x2D/* - */ === ch) {
- if (CHOMPING_CLIP === chomping) {
- chomping = (0x2B/* + */ === ch) ? CHOMPING_KEEP : CHOMPING_STRIP;
- } else {
- throwError(state, 'repeat of a chomping mode identifier');
- }
+ if (match('=>')) {
+ if (expr.type === Syntax.Identifier && expr.name === 'yield') {
+ return {
+ type: PlaceHolders.ArrowParameterPlaceHolder,
+ params: [expr]
+ };
+ }
- } else if ((tmp = fromDecimalCode(ch)) >= 0) {
- if (tmp === 0) {
- throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');
- } else if (!detectedIndent) {
- textIndent = nodeIndent + tmp - 1;
- detectedIndent = true;
- } else {
- throwError(state, 'repeat of an indentation width identifier');
- }
+ if (!isBindingElement) {
+ throwUnexpectedToken(lookahead);
+ }
- } else {
- break;
+ if (expr.type === Syntax.SequenceExpression) {
+ for (i = 0; i < expr.expressions.length; i++) {
+ reinterpretExpressionAsPattern(expr.expressions[i]);
+ }
+ } else {
+ reinterpretExpressionAsPattern(expr);
+ }
+
+ expr = {
+ type: PlaceHolders.ArrowParameterPlaceHolder,
+ params: expr.type === Syntax.SequenceExpression ? expr.expressions : [expr]
+ };
+ }
+ isBindingElement = false;
+ return expr;
}
- }
- if (is_WHITE_SPACE(ch)) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (is_WHITE_SPACE(ch));
- if (0x23/* # */ === ch) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (!is_EOL(ch) && (0 !== ch));
- }
- }
+ // ECMA-262 12.2 Primary Expressions
- while (0 !== ch) {
- readLineBreak(state);
- state.lineIndent = 0;
+ function parsePrimaryExpression() {
+ var type, token, expr, node;
- ch = state.input.charCodeAt(state.position);
+ if (match('(')) {
+ isBindingElement = false;
+ return inheritCoverGrammar(parseGroupExpression);
+ }
- while ((!detectedIndent || state.lineIndent < textIndent) &&
- (0x20/* Space */ === ch)) {
- state.lineIndent++;
- ch = state.input.charCodeAt(++state.position);
- }
+ if (match('[')) {
+ return inheritCoverGrammar(parseArrayInitializer);
+ }
- if (!detectedIndent && state.lineIndent > textIndent) {
- textIndent = state.lineIndent;
- }
+ if (match('{')) {
+ return inheritCoverGrammar(parseObjectInitializer);
+ }
- if (is_EOL(ch)) {
- emptyLines++;
- continue;
- }
+ type = lookahead.type;
+ node = new Node();
- // End of the scalar.
- if (state.lineIndent < textIndent) {
+ if (type === Token.Identifier) {
+ if (state.sourceType === 'module' && lookahead.value === 'await') {
+ tolerateUnexpectedToken(lookahead);
+ }
+ expr = node.finishIdentifier(lex().value);
+ } else if (type === Token.StringLiteral || type === Token.NumericLiteral) {
+ isAssignmentTarget = isBindingElement = false;
+ if (strict && lookahead.octal) {
+ tolerateUnexpectedToken(lookahead, Messages.StrictOctalLiteral);
+ }
+ expr = node.finishLiteral(lex());
+ } else if (type === Token.Keyword) {
+ if (!strict && state.allowYield && matchKeyword('yield')) {
+ return parseNonComputedProperty();
+ }
+ if (!strict && matchKeyword('let')) {
+ return node.finishIdentifier(lex().value);
+ }
+ isAssignmentTarget = isBindingElement = false;
+ if (matchKeyword('function')) {
+ return parseFunctionExpression();
+ }
+ if (matchKeyword('this')) {
+ lex();
+ return node.finishThisExpression();
+ }
+ if (matchKeyword('class')) {
+ return parseClassExpression();
+ }
+ throwUnexpectedToken(lex());
+ } else if (type === Token.BooleanLiteral) {
+ isAssignmentTarget = isBindingElement = false;
+ token = lex();
+ token.value = (token.value === 'true');
+ expr = node.finishLiteral(token);
+ } else if (type === Token.NullLiteral) {
+ isAssignmentTarget = isBindingElement = false;
+ token = lex();
+ token.value = null;
+ expr = node.finishLiteral(token);
+ } else if (match('/') || match('/=')) {
+ isAssignmentTarget = isBindingElement = false;
+ index = startIndex;
- // Perform the chomping.
- if (chomping === CHOMPING_KEEP) {
- state.result += common.repeat('\n', emptyLines);
- } else if (chomping === CHOMPING_CLIP) {
- if (detectedIndent) { // i.e. only if the scalar is not empty.
- state.result += '\n';
+ if (typeof extra.tokens !== 'undefined') {
+ token = collectRegex();
+ } else {
+ token = scanRegExp();
+ }
+ lex();
+ expr = node.finishLiteral(token);
+ } else if (type === Token.Template) {
+ expr = parseTemplateLiteral();
+ } else {
+ throwUnexpectedToken(lex());
}
- }
- // Break this `while` cycle and go to the funciton's epilogue.
- break;
+ return expr;
}
- // Folded style: use fancy rules to handle line breaks.
- if (folding) {
+ // ECMA-262 12.3 Left-Hand-Side Expressions
- // Lines starting with white space characters (more-indented lines) are not folded.
- if (is_WHITE_SPACE(ch)) {
- atMoreIndented = true;
- state.result += common.repeat('\n', emptyLines + 1);
+ function parseArguments() {
+ var args = [], expr;
- // End of more-indented block.
- } else if (atMoreIndented) {
- atMoreIndented = false;
- state.result += common.repeat('\n', emptyLines + 1);
+ expect('(');
- // Just one line break - perceive as the same line.
- } else if (0 === emptyLines) {
- if (detectedIndent) { // i.e. only if we have already read some scalar content.
- state.result += ' ';
+ if (!match(')')) {
+ while (startIndex < length) {
+ if (match('...')) {
+ expr = new Node();
+ lex();
+ expr.finishSpreadElement(isolateCoverGrammar(parseAssignmentExpression));
+ } else {
+ expr = isolateCoverGrammar(parseAssignmentExpression);
+ }
+ args.push(expr);
+ if (match(')')) {
+ break;
+ }
+ expectCommaSeparator();
+ }
}
- // Several line breaks - perceive as different lines.
- } else {
- state.result += common.repeat('\n', emptyLines);
- }
+ expect(')');
- // Literal style: just add exact number of line breaks between content lines.
- } else if (detectedIndent) {
- // If current line isn't the first one - count line break from the last content line.
- state.result += common.repeat('\n', emptyLines + 1);
- } else {
- // In case of the first content line - count only empty lines.
- state.result += common.repeat('\n', emptyLines);
+ return args;
}
- detectedIndent = true;
- emptyLines = 0;
- captureStart = state.position;
+ function parseNonComputedProperty() {
+ var token, node = new Node();
- while (!is_EOL(ch) && (0 !== ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
+ token = lex();
- captureSegment(state, captureStart, state.position, false);
- }
+ if (!isIdentifierName(token)) {
+ throwUnexpectedToken(token);
+ }
- return true;
-}
+ return node.finishIdentifier(token.value);
+ }
-function readBlockSequence(state, nodeIndent) {
- var _line,
- _tag = state.tag,
- _anchor = state.anchor,
- _result = [],
- following,
- detected = false,
- ch;
+ function parseNonComputedMember() {
+ expect('.');
- if (null !== state.anchor) {
- state.anchorMap[state.anchor] = _result;
- }
+ return parseNonComputedProperty();
+ }
- ch = state.input.charCodeAt(state.position);
+ function parseComputedMember() {
+ var expr;
- while (0 !== ch) {
+ expect('[');
- if (0x2D/* - */ !== ch) {
- break;
- }
+ expr = isolateCoverGrammar(parseExpression);
- following = state.input.charCodeAt(state.position + 1);
+ expect(']');
- if (!is_WS_OR_EOL(following)) {
- break;
+ return expr;
}
- detected = true;
- state.position++;
-
- if (skipSeparationSpace(state, true, -1)) {
- if (state.lineIndent <= nodeIndent) {
- _result.push(null);
- ch = state.input.charCodeAt(state.position);
- continue;
- }
- }
+ // ECMA-262 12.3.3 The new Operator
- _line = state.line;
- composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);
- _result.push(state.result);
- skipSeparationSpace(state, true, -1);
+ function parseNewExpression() {
+ var callee, args, node = new Node();
- ch = state.input.charCodeAt(state.position);
+ expectKeyword('new');
- if ((state.line === _line || state.lineIndent > nodeIndent) && (0 !== ch)) {
- throwError(state, 'bad indentation of a sequence entry');
- } else if (state.lineIndent < nodeIndent) {
- break;
- }
- }
+ if (match('.')) {
+ lex();
+ if (lookahead.type === Token.Identifier && lookahead.value === 'target') {
+ if (state.inFunctionBody) {
+ lex();
+ return node.finishMetaProperty('new', 'target');
+ }
+ }
+ throwUnexpectedToken(lookahead);
+ }
- if (detected) {
- state.tag = _tag;
- state.anchor = _anchor;
- state.kind = 'sequence';
- state.result = _result;
- return true;
- }
- return false;
-}
+ callee = isolateCoverGrammar(parseLeftHandSideExpression);
+ args = match('(') ? parseArguments() : [];
-function readBlockMapping(state, nodeIndent, flowIndent) {
- var following,
- allowCompact,
- _line,
- _tag = state.tag,
- _anchor = state.anchor,
- _result = {},
- keyTag = null,
- keyNode = null,
- valueNode = null,
- atExplicitKey = false,
- detected = false,
- ch;
+ isAssignmentTarget = isBindingElement = false;
- if (null !== state.anchor) {
- state.anchorMap[state.anchor] = _result;
- }
+ return node.finishNewExpression(callee, args);
+ }
- ch = state.input.charCodeAt(state.position);
+ // ECMA-262 12.3.4 Function Calls
- while (0 !== ch) {
- following = state.input.charCodeAt(state.position + 1);
- _line = state.line; // Save the current line.
+ function parseLeftHandSideExpressionAllowCall() {
+ var quasi, expr, args, property, startToken, previousAllowIn = state.allowIn;
- //
- // Explicit notation case. There are two separate blocks:
- // first for the key (denoted by "?") and second for the value (denoted by ":")
- //
- if ((0x3F/* ? */ === ch || 0x3A/* : */ === ch) && is_WS_OR_EOL(following)) {
+ startToken = lookahead;
+ state.allowIn = true;
- if (0x3F/* ? */ === ch) {
- if (atExplicitKey) {
- storeMappingPair(state, _result, keyTag, keyNode, null);
- keyTag = keyNode = valueNode = null;
+ if (matchKeyword('super') && state.inFunctionBody) {
+ expr = new Node();
+ lex();
+ expr = expr.finishSuper();
+ if (!match('(') && !match('.') && !match('[')) {
+ throwUnexpectedToken(lookahead);
+ }
+ } else {
+ expr = inheritCoverGrammar(matchKeyword('new') ? parseNewExpression : parsePrimaryExpression);
}
- detected = true;
- atExplicitKey = true;
- allowCompact = true;
+ for (;;) {
+ if (match('.')) {
+ isBindingElement = false;
+ isAssignmentTarget = true;
+ property = parseNonComputedMember();
+ expr = new WrappingNode(startToken).finishMemberExpression('.', expr, property);
+ } else if (match('(')) {
+ isBindingElement = false;
+ isAssignmentTarget = false;
+ args = parseArguments();
+ expr = new WrappingNode(startToken).finishCallExpression(expr, args);
+ } else if (match('[')) {
+ isBindingElement = false;
+ isAssignmentTarget = true;
+ property = parseComputedMember();
+ expr = new WrappingNode(startToken).finishMemberExpression('[', expr, property);
+ } else if (lookahead.type === Token.Template && lookahead.head) {
+ quasi = parseTemplateLiteral();
+ expr = new WrappingNode(startToken).finishTaggedTemplateExpression(expr, quasi);
+ } else {
+ break;
+ }
+ }
+ state.allowIn = previousAllowIn;
- } else if (atExplicitKey) {
- // i.e. 0x3A/* : */ === character after the explicit key.
- atExplicitKey = false;
- allowCompact = true;
+ return expr;
+ }
- } else {
- throwError(state, 'incomplete explicit mapping pair; a key node is missed');
- }
+ // ECMA-262 12.3 Left-Hand-Side Expressions
- state.position += 1;
- ch = following;
+ function parseLeftHandSideExpression() {
+ var quasi, expr, property, startToken;
+ assert(state.allowIn, 'callee of new expression always allow in keyword.');
- //
- // Implicit notation case. Flow-style node as the key first, then ":", and the value.
- //
- } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {
+ startToken = lookahead;
- if (state.line === _line) {
- ch = state.input.charCodeAt(state.position);
+ if (matchKeyword('super') && state.inFunctionBody) {
+ expr = new Node();
+ lex();
+ expr = expr.finishSuper();
+ if (!match('[') && !match('.')) {
+ throwUnexpectedToken(lookahead);
+ }
+ } else {
+ expr = inheritCoverGrammar(matchKeyword('new') ? parseNewExpression : parsePrimaryExpression);
+ }
- while (is_WHITE_SPACE(ch)) {
- ch = state.input.charCodeAt(++state.position);
+ for (;;) {
+ if (match('[')) {
+ isBindingElement = false;
+ isAssignmentTarget = true;
+ property = parseComputedMember();
+ expr = new WrappingNode(startToken).finishMemberExpression('[', expr, property);
+ } else if (match('.')) {
+ isBindingElement = false;
+ isAssignmentTarget = true;
+ property = parseNonComputedMember();
+ expr = new WrappingNode(startToken).finishMemberExpression('.', expr, property);
+ } else if (lookahead.type === Token.Template && lookahead.head) {
+ quasi = parseTemplateLiteral();
+ expr = new WrappingNode(startToken).finishTaggedTemplateExpression(expr, quasi);
+ } else {
+ break;
+ }
}
+ return expr;
+ }
- if (0x3A/* : */ === ch) {
- ch = state.input.charCodeAt(++state.position);
+ // ECMA-262 12.4 Postfix Expressions
- if (!is_WS_OR_EOL(ch)) {
- throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');
- }
+ function parsePostfixExpression() {
+ var expr, token, startToken = lookahead;
- if (atExplicitKey) {
- storeMappingPair(state, _result, keyTag, keyNode, null);
- keyTag = keyNode = valueNode = null;
- }
+ expr = inheritCoverGrammar(parseLeftHandSideExpressionAllowCall);
- detected = true;
- atExplicitKey = false;
- allowCompact = false;
- keyTag = state.tag;
- keyNode = state.result;
+ if (!hasLineTerminator && lookahead.type === Token.Punctuator) {
+ if (match('++') || match('--')) {
+ // ECMA-262 11.3.1, 11.3.2
+ if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
+ tolerateError(Messages.StrictLHSPostfix);
+ }
- } else if (detected) {
- throwError(state, 'can not read an implicit mapping pair; a colon is missed');
+ if (!isAssignmentTarget) {
+ tolerateError(Messages.InvalidLHSInAssignment);
+ }
- } else {
- state.tag = _tag;
- state.anchor = _anchor;
- return true; // Keep the result of `composeNode`.
+ isAssignmentTarget = isBindingElement = false;
+
+ token = lex();
+ expr = new WrappingNode(startToken).finishPostfixExpression(token.value, expr);
+ }
}
- } else if (detected) {
- throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');
+ return expr;
+ }
- } else {
- state.tag = _tag;
- state.anchor = _anchor;
- return true; // Keep the result of `composeNode`.
- }
+ // ECMA-262 12.5 Unary Operators
- } else {
- break; // Reading is done. Go to the epilogue.
- }
+ function parseUnaryExpression() {
+ var token, expr, startToken;
- //
- // Common reading code for both explicit and implicit notations.
- //
- if (state.line === _line || state.lineIndent > nodeIndent) {
- if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {
- if (atExplicitKey) {
- keyNode = state.result;
+ if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
+ expr = parsePostfixExpression();
+ } else if (match('++') || match('--')) {
+ startToken = lookahead;
+ token = lex();
+ expr = inheritCoverGrammar(parseUnaryExpression);
+ // ECMA-262 11.4.4, 11.4.5
+ if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
+ tolerateError(Messages.StrictLHSPrefix);
+ }
+
+ if (!isAssignmentTarget) {
+ tolerateError(Messages.InvalidLHSInAssignment);
+ }
+ expr = new WrappingNode(startToken).finishUnaryExpression(token.value, expr);
+ isAssignmentTarget = isBindingElement = false;
+ } else if (match('+') || match('-') || match('~') || match('!')) {
+ startToken = lookahead;
+ token = lex();
+ expr = inheritCoverGrammar(parseUnaryExpression);
+ expr = new WrappingNode(startToken).finishUnaryExpression(token.value, expr);
+ isAssignmentTarget = isBindingElement = false;
+ } else if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
+ startToken = lookahead;
+ token = lex();
+ expr = inheritCoverGrammar(parseUnaryExpression);
+ expr = new WrappingNode(startToken).finishUnaryExpression(token.value, expr);
+ if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) {
+ tolerateError(Messages.StrictDelete);
+ }
+ isAssignmentTarget = isBindingElement = false;
} else {
- valueNode = state.result;
+ expr = parsePostfixExpression();
}
- }
- if (!atExplicitKey) {
- storeMappingPair(state, _result, keyTag, keyNode, valueNode);
- keyTag = keyNode = valueNode = null;
- }
-
- skipSeparationSpace(state, true, -1);
- ch = state.input.charCodeAt(state.position);
- }
-
- if (state.lineIndent > nodeIndent && (0 !== ch)) {
- throwError(state, 'bad indentation of a mapping entry');
- } else if (state.lineIndent < nodeIndent) {
- break;
+ return expr;
}
- }
- //
- // Epilogue.
- //
+ function binaryPrecedence(token, allowIn) {
+ var prec = 0;
- // Special case: last mapping's node contains only the key in explicit notation.
- if (atExplicitKey) {
- storeMappingPair(state, _result, keyTag, keyNode, null);
- }
+ if (token.type !== Token.Punctuator && token.type !== Token.Keyword) {
+ return 0;
+ }
- // Expose the resulting mapping.
- if (detected) {
- state.tag = _tag;
- state.anchor = _anchor;
- state.kind = 'mapping';
- state.result = _result;
- }
+ switch (token.value) {
+ case '||':
+ prec = 1;
+ break;
- return detected;
-}
+ case '&&':
+ prec = 2;
+ break;
-function readTagProperty(state) {
- var _position,
- isVerbatim = false,
- isNamed = false,
- tagHandle,
- tagName,
- ch;
+ case '|':
+ prec = 3;
+ break;
- ch = state.input.charCodeAt(state.position);
+ case '^':
+ prec = 4;
+ break;
- if (0x21/* ! */ !== ch) {
- return false;
- }
+ case '&':
+ prec = 5;
+ break;
- if (null !== state.tag) {
- throwError(state, 'duplication of a tag property');
- }
+ case '==':
+ case '!=':
+ case '===':
+ case '!==':
+ prec = 6;
+ break;
- ch = state.input.charCodeAt(++state.position);
+ case '<':
+ case '>':
+ case '<=':
+ case '>=':
+ case 'instanceof':
+ prec = 7;
+ break;
- if (0x3C/* < */ === ch) {
- isVerbatim = true;
- ch = state.input.charCodeAt(++state.position);
+ case 'in':
+ prec = allowIn ? 7 : 0;
+ break;
- } else if (0x21/* ! */ === ch) {
- isNamed = true;
- tagHandle = '!!';
- ch = state.input.charCodeAt(++state.position);
+ case '<<':
+ case '>>':
+ case '>>>':
+ prec = 8;
+ break;
- } else {
- tagHandle = '!';
- }
+ case '+':
+ case '-':
+ prec = 9;
+ break;
- _position = state.position;
+ case '*':
+ case '/':
+ case '%':
+ prec = 11;
+ break;
- if (isVerbatim) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (0 !== ch && 0x3E/* > */ !== ch);
+ default:
+ break;
+ }
- if (state.position < state.length) {
- tagName = state.input.slice(_position, state.position);
- ch = state.input.charCodeAt(++state.position);
- } else {
- throwError(state, 'unexpected end of the stream within a verbatim tag');
+ return prec;
}
- } else {
- while (0 !== ch && !is_WS_OR_EOL(ch)) {
- if (0x21/* ! */ === ch) {
- if (!isNamed) {
- tagHandle = state.input.slice(_position - 1, state.position + 1);
+ // ECMA-262 12.6 Multiplicative Operators
+ // ECMA-262 12.7 Additive Operators
+ // ECMA-262 12.8 Bitwise Shift Operators
+ // ECMA-262 12.9 Relational Operators
+ // ECMA-262 12.10 Equality Operators
+ // ECMA-262 12.11 Binary Bitwise Operators
+ // ECMA-262 12.12 Binary Logical Operators
- if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
- throwError(state, 'named tag handle cannot contain such characters');
- }
+ function parseBinaryExpression() {
+ var marker, markers, expr, token, prec, stack, right, operator, left, i;
- isNamed = true;
- _position = state.position + 1;
- } else {
- throwError(state, 'tag suffix cannot contain exclamation marks');
+ marker = lookahead;
+ left = inheritCoverGrammar(parseUnaryExpression);
+
+ token = lookahead;
+ prec = binaryPrecedence(token, state.allowIn);
+ if (prec === 0) {
+ return left;
}
- }
+ isAssignmentTarget = isBindingElement = false;
+ token.prec = prec;
+ lex();
- ch = state.input.charCodeAt(++state.position);
- }
+ markers = [marker, lookahead];
+ right = isolateCoverGrammar(parseUnaryExpression);
- tagName = state.input.slice(_position, state.position);
+ stack = [left, token, right];
- if (PATTERN_FLOW_INDICATORS.test(tagName)) {
- throwError(state, 'tag suffix cannot contain flow indicator characters');
- }
- }
+ while ((prec = binaryPrecedence(lookahead, state.allowIn)) > 0) {
- if (tagName && !PATTERN_TAG_URI.test(tagName)) {
- throwError(state, 'tag name cannot contain such characters: ' + tagName);
- }
+ // Reduce: make a binary expression from the three topmost entries.
+ while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
+ right = stack.pop();
+ operator = stack.pop().value;
+ left = stack.pop();
+ markers.pop();
+ expr = new WrappingNode(markers[markers.length - 1]).finishBinaryExpression(operator, left, right);
+ stack.push(expr);
+ }
- if (isVerbatim) {
- state.tag = tagName;
+ // Shift.
+ token = lex();
+ token.prec = prec;
+ stack.push(token);
+ markers.push(lookahead);
+ expr = isolateCoverGrammar(parseUnaryExpression);
+ stack.push(expr);
+ }
- } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) {
- state.tag = state.tagMap[tagHandle] + tagName;
+ // Final reduce to clean-up the stack.
+ i = stack.length - 1;
+ expr = stack[i];
+ markers.pop();
+ while (i > 1) {
+ expr = new WrappingNode(markers.pop()).finishBinaryExpression(stack[i - 1].value, stack[i - 2], expr);
+ i -= 2;
+ }
- } else if ('!' === tagHandle) {
- state.tag = '!' + tagName;
+ return expr;
+ }
- } else if ('!!' === tagHandle) {
- state.tag = 'tag:yaml.org,2002:' + tagName;
- } else {
- throwError(state, 'undeclared tag handle "' + tagHandle + '"');
- }
+ // ECMA-262 12.13 Conditional Operator
- return true;
-}
+ function parseConditionalExpression() {
+ var expr, previousAllowIn, consequent, alternate, startToken;
-function readAnchorProperty(state) {
- var _position,
- ch;
+ startToken = lookahead;
- ch = state.input.charCodeAt(state.position);
+ expr = inheritCoverGrammar(parseBinaryExpression);
+ if (match('?')) {
+ lex();
+ previousAllowIn = state.allowIn;
+ state.allowIn = true;
+ consequent = isolateCoverGrammar(parseAssignmentExpression);
+ state.allowIn = previousAllowIn;
+ expect(':');
+ alternate = isolateCoverGrammar(parseAssignmentExpression);
- if (0x26/* & */ !== ch) {
- return false;
- }
+ expr = new WrappingNode(startToken).finishConditionalExpression(expr, consequent, alternate);
+ isAssignmentTarget = isBindingElement = false;
+ }
- if (null !== state.anchor) {
- throwError(state, 'duplication of an anchor property');
- }
+ return expr;
+ }
- ch = state.input.charCodeAt(++state.position);
- _position = state.position;
+ // ECMA-262 14.2 Arrow Function Definitions
- while (0 !== ch && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
+ function parseConciseBody() {
+ if (match('{')) {
+ return parseFunctionSourceElements();
+ }
+ return isolateCoverGrammar(parseAssignmentExpression);
+ }
- if (state.position === _position) {
- throwError(state, 'name of an anchor node must contain at least one character');
- }
+ function checkPatternParam(options, param) {
+ var i;
+ switch (param.type) {
+ case Syntax.Identifier:
+ validateParam(options, param, param.name);
+ break;
+ case Syntax.RestElement:
+ checkPatternParam(options, param.argument);
+ break;
+ case Syntax.AssignmentPattern:
+ checkPatternParam(options, param.left);
+ break;
+ case Syntax.ArrayPattern:
+ for (i = 0; i < param.elements.length; i++) {
+ if (param.elements[i] !== null) {
+ checkPatternParam(options, param.elements[i]);
+ }
+ }
+ break;
+ case Syntax.YieldExpression:
+ break;
+ default:
+ assert(param.type === Syntax.ObjectPattern, 'Invalid type');
+ for (i = 0; i < param.properties.length; i++) {
+ checkPatternParam(options, param.properties[i].value);
+ }
+ break;
+ }
+ }
+ function reinterpretAsCoverFormalsList(expr) {
+ var i, len, param, params, defaults, defaultCount, options, token;
- state.anchor = state.input.slice(_position, state.position);
- return true;
-}
+ defaults = [];
+ defaultCount = 0;
+ params = [expr];
-function readAlias(state) {
- var _position, alias,
- ch;
+ switch (expr.type) {
+ case Syntax.Identifier:
+ break;
+ case PlaceHolders.ArrowParameterPlaceHolder:
+ params = expr.params;
+ break;
+ default:
+ return null;
+ }
- ch = state.input.charCodeAt(state.position);
+ options = {
+ paramSet: {}
+ };
- if (0x2A/* * */ !== ch) {
- return false;
- }
+ for (i = 0, len = params.length; i < len; i += 1) {
+ param = params[i];
+ switch (param.type) {
+ case Syntax.AssignmentPattern:
+ params[i] = param.left;
+ if (param.right.type === Syntax.YieldExpression) {
+ if (param.right.argument) {
+ throwUnexpectedToken(lookahead);
+ }
+ param.right.type = Syntax.Identifier;
+ param.right.name = 'yield';
+ delete param.right.argument;
+ delete param.right.delegate;
+ }
+ defaults.push(param.right);
+ ++defaultCount;
+ checkPatternParam(options, param.left);
+ break;
+ default:
+ checkPatternParam(options, param);
+ params[i] = param;
+ defaults.push(null);
+ break;
+ }
+ }
- ch = state.input.charCodeAt(++state.position);
- _position = state.position;
+ if (strict || !state.allowYield) {
+ for (i = 0, len = params.length; i < len; i += 1) {
+ param = params[i];
+ if (param.type === Syntax.YieldExpression) {
+ throwUnexpectedToken(lookahead);
+ }
+ }
+ }
- while (0 !== ch && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
+ if (options.message === Messages.StrictParamDupe) {
+ token = strict ? options.stricted : options.firstRestricted;
+ throwUnexpectedToken(token, options.message);
+ }
- if (state.position === _position) {
- throwError(state, 'name of an alias node must contain at least one character');
- }
+ if (defaultCount === 0) {
+ defaults = [];
+ }
- alias = state.input.slice(_position, state.position);
+ return {
+ params: params,
+ defaults: defaults,
+ stricted: options.stricted,
+ firstRestricted: options.firstRestricted,
+ message: options.message
+ };
+ }
- if (!state.anchorMap.hasOwnProperty(alias)) {
- throwError(state, 'unidentified alias "' + alias + '"');
- }
+ function parseArrowFunctionExpression(options, node) {
+ var previousStrict, previousAllowYield, body;
- state.result = state.anchorMap[alias];
- skipSeparationSpace(state, true, -1);
- return true;
-}
+ if (hasLineTerminator) {
+ tolerateUnexpectedToken(lookahead);
+ }
+ expect('=>');
-function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {
- var allowBlockStyles,
- allowBlockScalars,
- allowBlockCollections,
- indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this\n
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"},19:function(e,t,n,r){return' Parameters
\n| Parameter | \nValue | \nDescription | \nParameter Type | \nData Type | \n
|---|
Response Messages
\n| HTTP Status Code | \nReason | \nResponse Model | \nHeaders | \n
|---|
\n \n \n \n
\n"},27:function(e,t,n,r){return" Request Headers
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\n \n'},7:function(e,t,n,r){var i,a="function",o=t.helperMissing,s=this.escapeExpression;return" \n \n
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\n \n'},7:function(e,t,n,r){var i,a="function",o=t.helperMissing,s=this.escapeExpression;return" \n \n
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\n
\n\n"},useData:!0}),this.Handlebars.templates.response_content_type=Handlebars.template({1:function(e,t,n,r){var i,a="";return i=t.each.call(e,null!=e?e.produces:e,{name:"each",hash:{},fn:this.program(2,r),inverse:this.noop,data:r}),null!=i&&(a+=i),a},2:function(e,t,n,r){var i,a=this.lambda,o=this.escapeExpression,s=' \n"},4:function(e,t,n,r){return' \n'},compiler:[6,">= 2.0.0-beta.1"],main:function(e,t,n,r){var i,a,o="function",s=t.helperMissing,u=this.escapeExpression,l='\n\n"},useData:!0}),this.Handlebars.templates.signature=Handlebars.template({compiler:[6,">= 2.0.0-beta.1"],main:function(e,t,n,r){var i,a,o="function",s=t.helperMissing,u=this.escapeExpression,l='\n '+l((a=null!=(a=t.name||(null!=e?e.name:e))?a:u,typeof a===s?a.call(e,{name:"name",hash:{},data:r}):a))+" ";return a=null!=(a=t.summary||(null!=e?e.summary:e))?a:u,o={name:"summary",hash:{},fn:this.program(1,r),inverse:this.noop,data:r},i=typeof a===s?a.call(e,o):a,t.summary||(i=c.call(e,i,o)),null!=i&&(p+=i),a=null!=(a=t.summary||(null!=e?e.summary:e))?a:u,i=typeof a===s?a.call(e,{name:"summary",hash:{},data:r}):a,null!=i&&(p+=i),p+="\n
\n \n\n
"+c(e,t))});return y}var u=e("./helpers"),l={isPlainObject:e("lodash-compat/lang/isPlainObject"),isUndefined:e("lodash-compat/lang/isUndefined"),isArray:e("lodash-compat/lang/isArray"),isObject:e("lodash-compat/lang/isObject"),isEmpty:e("lodash-compat/lang/isEmpty"),map:e("lodash-compat/collection/map"),indexOf:e("lodash-compat/array/indexOf"),cloneDeep:e("lodash-compat/lang/cloneDeep"),keys:e("lodash-compat/object/keys"),forEach:e("lodash-compat/collection/forEach")};t.exports.optionHtml=r,t.exports.typeFromJsonSchema=i,t.exports.getStringSignature=a,t.exports.schemaToHTML=s,t.exports.schemaToJSON=o},{"./helpers":4,"lodash-compat/array/indexOf":53,"lodash-compat/collection/forEach":58,"lodash-compat/collection/map":60,"lodash-compat/lang/cloneDeep":142,"lodash-compat/lang/isArray":144,"lodash-compat/lang/isEmpty":145,"lodash-compat/lang/isObject":148,"lodash-compat/lang/isPlainObject":149,"lodash-compat/lang/isUndefined":152,"lodash-compat/object/keys":153}],8:[function(e,t,n){"use strict";var r=e("./http"),i={isObject:e("lodash-compat/lang/isObject")},a=t.exports=function(){this.errors=[],this.warnings=[],this.modelMap={}};a.prototype.setDocumentationLocation=function(e){this.docLocation=e},a.prototype.convert=function(e,t,n,r){if(!e||!Array.isArray(e.apis))return this.finish(r,null);this.clientAuthorizations=t;var i={swagger:"2.0"};i.originalVersion=e.swaggerVersion,this.apiInfo(e,i),this.securityDefinitions(e,i),e.basePath&&this.setDocumentationLocation(e.basePath);var a,o=!1;for(a=0;a0?(t.host=a.substring(0,o),t.basePath=a.substring(o)):(t.host=a,t.basePath="/")):0===e.basePath.indexOf("https://")?(a=e.basePath.substring("https://".length),o=a.indexOf("/"),o>0?(t.host=a.substring(0,o),t.basePath=a.substring(o)):(t.host=a,t.basePath="/")):t.basePath=e.basePath;var s;if(e.authorizations&&(s=e.authorizations),e.consumes&&(t.consumes=e.consumes),e.produces&&(t.produces=e.produces),i.isObject(e))for(n in e.models){var u=e.models[n],l=u.id||n;this.modelMap[l]=n}for(r=0;r0&&(s["enum"]=o),s.required=a.required,t.definitions[n]=s}}},a.prototype.extractTag=function(e){var t=e||"default";return(0===t.indexOf("http:")||0===t.indexOf("https:"))&&(t=t.split(["/"]),t=t[t.length-1].substring()),t.endsWith(".json")&&(t=t.substring(0,t.length-".json".length)),t.replace("/","")},a.prototype.operations=function(e,t,n,r,i){if(Array.isArray(n)){var a;i.paths||(i.paths={});var o=i.paths[e]||{},s=this.extractTag(t);i.tags=i.tags||[];var u=!1;for(a=0;aa;a++){var p=e.apis[a],h=p.path,f=this.getAbsolutePath(e.swaggerVersion,this.docLocation,h);p.description&&(t.tags=t.tags||[],t.tags.push({name:this.extractTag(p.path),description:p.description||""}));var d={url:f,headers:{accept:"application/json"},on:{},method:"get"};d.on.response=function(e){o+=1;var t=e.obj;t&&s.declaration(t,l),o===u&&s.finish(i,l)},d.on.error=function(e){console.error(e),o+=1,o===u&&s.finish(i,l)},this.clientAuthorizations&&"function"==typeof this.clientAuthorizations.apply&&this.clientAuthorizations.apply(d),(new r).execute(d,c)}},a.prototype.getAbsolutePath=function(e,t,n){if("1.0"===e&&t.endsWith(".json")){var r=t.lastIndexOf("/");r>0&&(t=t.substring(0,r))}var i=t;return 0===n.indexOf("http://")||0===n.indexOf("https://")?i=n:(t.endsWith("/")&&(i=t.substring(0,t.length-1)),i+=n),i=i.replace("{format}","json")},a.prototype.securityDefinitions=function(e,t){if(e.authorizations){var n;for(n in e.authorizations){var r=!1,i={},a=e.authorizations[n];if("apiKey"===a.type)i.type="apiKey",i["in"]=a.passAs,i.name=a.keyname||n,r=!0;else if("basicAuth"===a.type)i.type="basicAuth",r=!0;else if("oauth2"===a.type){var o,s=a.scopes||[],u={};for(o in s){var l=s[o];u[l.scope]=l.description}if(i.type="oauth2",o>0&&(i.scopes=u),a.grantTypes){if(a.grantTypes.implicit){var c=a.grantTypes.implicit;i.flow="implicit",i.authorizationUrl=c.loginEndpoint,r=!0}if(a.grantTypes.authorization_code&&!i.flow){var p=a.grantTypes.authorization_code;i.flow="accessCode",i.authorizationUrl=p.tokenRequestEndpoint.url,i.tokenUrl=p.tokenEndpoint.url,r=!0}}}r&&(t.securityDefinitions=t.securityDefinitions||{},t.securityDefinitions[n]=i)}}},a.prototype.apiInfo=function(e,t){if(e.info){var n=e.info;t.info={},n.contact&&(t.info.contact={},t.info.contact.email=n.contact),n.description&&(t.info.description=n.description),n.title&&(t.info.title=n.title),n.termsOfServiceUrl&&(t.info.termsOfService=n.termsOfServiceUrl),(n.license||n.licenseUrl)&&(t.license={},n.license&&(t.license.name=n.license),n.licenseUrl&&(t.license.url=n.licenseUrl))}else this.warnings.push("missing info section")},a.prototype.finish=function(e,t){e(t)}},{"./http":5,"lodash-compat/lang/isObject":148}],9:[function(e,t,n){"use strict";var r={isPlainObject:e("lodash-compat/lang/isPlainObject"),isString:e("lodash-compat/lang/isString")},i=e("../schema-markup.js"),a=e("js-yaml"),o=t.exports=function(e,t,n,r){return this.definition=t||{},this.isArray="array"===t.type,this.models=n||{},this.name=t.title||e||"Inline Model",this.modelPropertyMacro=r||function(e){return e["default"]},this};o.prototype.createJSONSample=o.prototype.getSampleValue=function(e){return e=e||{},e[this.name]=this,this.examples&&r.isPlainObject(this.examples)&&this.examples["application/json"]?(this.definition.example=this.examples["application/json"],r.isString(this.definition.example)&&(this.definition.example=a.safeLoad(this.definition.example))):this.definition.example||(this.definition.example=this.examples),i.schemaToJSON(this.definition,this.models,e,this.modelPropertyMacro)},o.prototype.getMockSignature=function(){return i.schemaToHTML(this.name,this.definition,this.models,this.modelPropertyMacro)}},{"../schema-markup.js":7,"js-yaml":23,"lodash-compat/lang/isPlainObject":149,"lodash-compat/lang/isString":150}],10:[function(e,t,n){"use strict";function r(e,t){if(i.isEmpty(t))return e[0];for(var n=0,r=t.length;r>n;n++)if(e.indexOf(t[n])>-1)return t[n];return e[0]}var i={cloneDeep:e("lodash-compat/lang/cloneDeep"),isUndefined:e("lodash-compat/lang/isUndefined"),isEmpty:e("lodash-compat/lang/isEmpty"),isObject:e("lodash-compat/lang/isObject")},a=e("../helpers"),o=e("./model"),s=e("../http"),u=e("q"),l=t.exports=function(e,t,n,r,i,a,s,u,l){var c=[];if(e=e||{},a=a||{},e&&e.options&&(this.client=e.options.client||null,this.requestInterceptor=e.options.requestInterceptor||null,this.responseInterceptor=e.options.responseInterceptor||null),this.authorizations=a.security,this.basePath=e.basePath||"/",this.clientAuthorizations=l,this.consumes=a.consumes||e.consumes||["application/json"],this.produces=a.produces||e.produces||["application/json"],this.deprecated=a.deprecated,this.description=a.description,this.host=e.host||"localhost",this.method=r||c.push("Operation "+n+" is missing method."),this.models=u||{},this.nickname=n||c.push("Operations must have a 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s={};for(p=0;p0&&this.resource&&this.resource.api&&this.resource.api.fail&&this.resource.api.fail(c),this};l.prototype.isDefaultArrayItemValue=function(e,t){return t["default"]&&Array.isArray(t["default"])?-1!==t["default"].indexOf(e):e===t["default"]},l.prototype.getType=function(e){var t,n=e.type,r=e.format,i=!1;"integer"===n&&"int32"===r?t="integer":"integer"===n&&"int64"===r?t="long":"integer"===n?t="integer":"string"===n?t="date-time"===r?"date-time":"date"===r?"date":"string":"number"===n&&"float"===r?t="float":"number"===n&&"double"===r?t="double":"number"===n?t="double":"boolean"===n?t="boolean":"array"===n?(i=!0,e.items&&(t=this.getType(e.items))):"file"===n&&(t="file"),e.$ref&&(t=a.simpleRef(e.$ref));var o=e.schema;if(o){var s=o.$ref;return s?(s=a.simpleRef(s),i?[s]:s):"object"===o.type?this.addInlineModel(o):this.getType(o)}return i?[t]:t},l.prototype.addInlineModel=function(e){var t=this.inlineModels.length,n=this.resolveModel(e,{});return n?(this.inlineModels.push(n),"Inline Model "+t):null},l.prototype.getInlineModel=function(e){if(/^Inline Model \d+$/.test(e)){var t=parseInt(e.substr("Inline Model".length).trim(),10),n=this.inlineModels[t];return n}return null},l.prototype.resolveModel=function(e,t){if("undefined"!=typeof e.$ref){var n=e.$ref;if(0===n.indexOf("#/definitions/")&&(n=n.substring("#/definitions/".length)),t[n])return new o(n,t[n],this.models,this.parent.modelPropertyMacro)}else if(e&&"object"==typeof e&&("object"===e.type||i.isUndefined(e.type)))return new o(void 0,e,this.models,this.parent.modelPropertyMacro);return null},l.prototype.help=function(e){for(var t=this.nickname+": "+this.summary+"\n",n=0;n=0&&(h=!0),r&&!h){var f="";for(a in s)o=s[a],"undefined"!=typeof o&&(""!==f&&(f+="&"),f+=encodeURIComponent(a)+"="+encodeURIComponent(o));i=f}else if(h&&n.useJQuery){var d=new FormData;d.type="formData";for(a in s)o=t[a],"undefined"!=typeof o&&("file"===o.type&&o.value?(delete e["Content-Type"],d.append(a,o.value)):d.append(a,o));i=d}return i},l.prototype.getModelSampleJSON=function(e,t){var n,r,a;if(t=t||{},n=e instanceof Array,a=n?e[0]:e,t[a]?r=t[a].createJSONSample():this.getInlineModel(a)&&(r=this.getInlineModel(a).createJSONSample()),r){if(r=n?[r]:r,"string"==typeof r)return r;if(i.isObject(r)){var o=r;if(r instanceof Array&&r.length>0&&(o=r[0]),o.nodeName&&"Node"==typeof o){var s=(new XMLSerializer).serializeToString(o);return this.formatXml(s)}return JSON.stringify(r,null,2)}return r}},l.prototype["do"]=function(e,t,n,r,i){return this.execute(e,t,n,r,i)},l.prototype.execute=function(e,t,n,r,o){var l,c,p,h=e||{},f={};i.isObject(t)&&(f=t,l=n,c=r),this.client&&(f.client=this.client),!f.requestInterceptor&&this.requestInterceptor&&(f.requestInterceptor=this.requestInterceptor),!f.responseInterceptor&&this.responseInterceptor&&(f.responseInterceptor=this.responseInterceptor),"function"==typeof t&&(l=t,c=n),this.parent.usePromise?p=u.defer():(l=l||this.parent.defaultSuccessCallback||a.log,c=c||this.parent.defaultErrorCallback||a.log),"undefined"==typeof f.useJQuery&&(f.useJQuery=this.useJQuery),"undefined"==typeof f.enableCookies&&(f.enableCookies=this.enableCookies);var d=this.getMissingParams(h);if(d.length>0){var m="missing required params: "+d;return a.fail(m),this.parent.usePromise?(p.reject(m),p.promise):(c(m,o),{})}var y,g=this.getHeaderParams(h),v=this.setContentTypes(h,f),D={};for(y in g)D[y]=g[y];for(y in v)D[y]=v[y];var b=this.getBody(v,h,f),A=this.urlify(h);if(A.indexOf(".{format}")>0&&D){var w=D.Accept||D.accept;w&&w.indexOf("json")>0?A=A.replace(".{format}",".json"):w&&w.indexOf("xml")>0&&(A=A.replace(".{format}",".xml"))}var C={url:A,method:this.method.toUpperCase(),body:b,enableCookies:f.enableCookies,useJQuery:f.useJQuery,deferred:p,headers:D,on:{response:function(e){return p?(p.resolve(e),p.promise):l(e,o)},error:function(e){return p?(p.reject(e),p.promise):c(e,o)}}};return this.clientAuthorizations.apply(C,this.operation.security),f.mock===!0?C:(new s).execute(C,f)},l.prototype.setContentTypes=function(e,t){var n,i,o=this.parameters,s=e.parameterContentType||r(this.consumes,["application/json","application/yaml"]),u=t.responseContentType||r(this.produces,["application/json","application/yaml"]),l=[],c=[],p={};for(i=0;i0&&(s=t.requestContentType?t.requestContentType:l.length>0?"multipart/form-data":"application/x-www-form-urlencoded")):s=null,s&&this.consumes&&-1===this.consumes.indexOf(s)&&a.log("server doesn't consume "+s+", try "+JSON.stringify(this.consumes)),this.matchesAccept(u)||a.log("server can't produce "+u),(s&&""!==n||"application/x-www-form-urlencoded"===s)&&(p["Content-Type"]=s),u&&(p.Accept=u),p},l.prototype.matchesAccept=function(e){return e&&this.produces?-1!==this.produces.indexOf(e)||-1!==this.produces.indexOf("*/*"):!0},l.prototype.asCurl=function(e,t){var n={mock:!0};if("object"==typeof t)for(var r in t)n[r]=t[r];var a=this.execute(e,n);this.clientAuthorizations.apply(a,this.operation.security);var o=[];if(o.push("-X "+this.method.toUpperCase()),"undefined"!=typeof a.headers){var s;for(s in a.headers){var u=a.headers[s];"string"==typeof u&&(u=u.replace(/\'/g,"\\u0027")),o.push("--header '"+s+": "+u+"'")}}if(a.body){var l;l=i.isObject(a.body)?JSON.stringify(a.body):a.body,o.push("-d '"+l.replace(/\'/g,"\\u0027")+"'")}return"curl "+o.join(" ")+" '"+a.url+"'"},l.prototype.encodePathCollection=function(e,t,n){var r,i="",a="";for(a="ssv"===e?"%20":"tsv"===e?"\\t":"pipes"===e?"|":",",r=0;r0&&(i+="&"),i+=this.encodeQueryParam(t)+"="+this.encodeQueryParam(n[r]);else{var a="";if("csv"===e)a=",";else if("ssv"===e)a="%20";else if("tsv"===e)a="\\t";else if("pipes"===e)a="|";else if("brackets"===e)for(r=0;rt?-1:u+10>t?t-u+26+26:c+26>t?t-c:l+26>t?t-l+26:void 0}function n(e){function n(e){l[p++]=e}var r,i,o,s,u,l;if(e.length%4>0)throw new Error("Invalid string. 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c=t.exports.PasswordAuthorization=function(e,t){3===arguments.length&&(r.log("PasswordAuthorization: the 'name' argument has been removed, pass only username and password"),e=arguments[1],t=arguments[2]),this.username=e,this.password=t};c.prototype.apply=function(e){return"undefined"==typeof e.headers.Authorization&&(e.headers.Authorization="Basic "+i(this.username+":"+this.password)),!0}},{"./helpers":4,btoa:14,cookiejar:17,"lodash-compat/collection/each":56,"lodash-compat/collection/includes":59,"lodash-compat/lang/isArray":144,"lodash-compat/lang/isObject":148}],3:[function(e,t,n){"use strict";var r={bind:e("lodash-compat/function/bind"),cloneDeep:e("lodash-compat/lang/cloneDeep"),find:e("lodash-compat/collection/find"),forEach:e("lodash-compat/collection/forEach"),indexOf:e("lodash-compat/array/indexOf"),isArray:e("lodash-compat/lang/isArray"),isObject:e("lodash-compat/lang/isObject"),isFunction:e("lodash-compat/lang/isFunction"),isPlainObject:e("lodash-compat/lang/isPlainObject"),isUndefined:e("lodash-compat/lang/isUndefined")},i=e("./auth"),a=e("./helpers"),o=e("./types/model"),s=e("./types/operation"),u=e("./types/operationGroup"),l=e("./resolver"),c=e("./http"),p=e("./spec-converter"),h=e("q"),f=["apis","authorizationScheme","authorizations","basePath","build","buildFrom1_1Spec","buildFrom1_2Spec","buildFromSpec","clientAuthorizations","convertInfo","debug","defaultErrorCallback","defaultSuccessCallback","enableCookies","fail","failure","finish","help","idFromOp","info","initialize","isBuilt","isValid","modelPropertyMacro","models","modelsArray","options","parameterMacro","parseUri","progress","resourceCount","sampleModels","selfReflect","setConsolidatedModels","spec","supportedSubmitMethods","swaggerRequestHeaders","tagFromLabel","title","url","useJQuery"],d=["apis","asCurl","description","externalDocs","help","label","name","operation","operations","operationsArray","path","tag"],m=["delete","get","head","options","patch","post","put"],y=t.exports=function(e,t){return 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