(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define("@angular/compiler/src/parse_util", ["require", "exports", "@angular/compiler/src/aot/static_symbol", "@angular/compiler/src/chars", "@angular/compiler/src/util"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.sanitizeIdentifier = exports.identifierModuleUrl = exports.identifierName = exports.getParseErrors = exports.isSyntaxError = exports.syntaxError = exports.r3JitTypeSourceSpan = exports.typeSourceSpan = exports.ParseError = exports.ParseErrorLevel = exports.ParseSourceSpan = exports.ParseSourceFile = exports.ParseLocation = void 0;
    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    var static_symbol_1 = require("@angular/compiler/src/aot/static_symbol");
    var chars = require("@angular/compiler/src/chars");
    var util_1 = require("@angular/compiler/src/util");
    var ParseLocation = /** @class */ (function () {
        function ParseLocation(file, offset, line, col) {
            this.file = file;
            this.offset = offset;
            this.line = line;
            this.col = col;
        }
        ParseLocation.prototype.toString = function () {
            return this.offset != null ? this.file.url + "@" + this.line + ":" + this.col : this.file.url;
        };
        ParseLocation.prototype.moveBy = function (delta) {
            var source = this.file.content;
            var len = source.length;
            var offset = this.offset;
            var line = this.line;
            var col = this.col;
            while (offset > 0 && delta < 0) {
                offset--;
                delta++;
                var ch = source.charCodeAt(offset);
                if (ch == chars.$LF) {
                    line--;
                    var priorLine = source.substr(0, offset - 1).lastIndexOf(String.fromCharCode(chars.$LF));
                    col = priorLine > 0 ? offset - priorLine : offset;
                }
                else {
                    col--;
                }
            }
            while (offset < len && delta > 0) {
                var ch = source.charCodeAt(offset);
                offset++;
                delta--;
                if (ch == chars.$LF) {
                    line++;
                    col = 0;
                }
                else {
                    col++;
                }
            }
            return new ParseLocation(this.file, offset, line, col);
        };
        // Return the source around the location
        // Up to `maxChars` or `maxLines` on each side of the location
        ParseLocation.prototype.getContext = function (maxChars, maxLines) {
            var content = this.file.content;
            var startOffset = this.offset;
            if (startOffset != null) {
                if (startOffset > content.length - 1) {
                    startOffset = content.length - 1;
                }
                var endOffset = startOffset;
                var ctxChars = 0;
                var ctxLines = 0;
                while (ctxChars < maxChars && startOffset > 0) {
                    startOffset--;
                    ctxChars++;
                    if (content[startOffset] == '\n') {
                        if (++ctxLines == maxLines) {
                            break;
                        }
                    }
                }
                ctxChars = 0;
                ctxLines = 0;
                while (ctxChars < maxChars && endOffset < content.length - 1) {
                    endOffset++;
                    ctxChars++;
                    if (content[endOffset] == '\n') {
                        if (++ctxLines == maxLines) {
                            break;
                        }
                    }
                }
                return {
                    before: content.substring(startOffset, this.offset),
                    after: content.substring(this.offset, endOffset + 1),
                };
            }
            return null;
        };
        return ParseLocation;
    }());
    exports.ParseLocation = ParseLocation;
    var ParseSourceFile = /** @class */ (function () {
        function ParseSourceFile(content, url) {
            this.content = content;
            this.url = url;
        }
        return ParseSourceFile;
    }());
    exports.ParseSourceFile = ParseSourceFile;
    var ParseSourceSpan = /** @class */ (function () {
        /**
         * Create an object that holds information about spans of tokens/nodes captured during
         * lexing/parsing of text.
         *
         * @param start
         * The location of the start of the span (having skipped leading trivia).
         * Skipping leading trivia makes source-spans more "user friendly", since things like HTML
         * elements will appear to begin at the start of the opening tag, rather than at the start of any
         * leading trivia, which could include newlines.
         *
         * @param end
         * The location of the end of the span.
         *
         * @param fullStart
         * The start of the token without skipping the leading trivia.
         * This is used by tooling that splits tokens further, such as extracting Angular interpolations
         * from text tokens. Such tooling creates new source-spans relative to the original token's
         * source-span. If leading trivia characters have been skipped then the new source-spans may be
         * incorrectly offset.
         *
         * @param details
         * Additional information (such as identifier names) that should be associated with the span.
         */
        function ParseSourceSpan(start, end, fullStart, details) {
            if (fullStart === void 0) { fullStart = start; }
            if (details === void 0) { details = null; }
            this.start = start;
            this.end = end;
            this.fullStart = fullStart;
            this.details = details;
        }
        ParseSourceSpan.prototype.toString = function () {
            return this.start.file.content.substring(this.start.offset, this.end.offset);
        };
        return ParseSourceSpan;
    }());
    exports.ParseSourceSpan = ParseSourceSpan;
    var ParseErrorLevel;
    (function (ParseErrorLevel) {
        ParseErrorLevel[ParseErrorLevel["WARNING"] = 0] = "WARNING";
        ParseErrorLevel[ParseErrorLevel["ERROR"] = 1] = "ERROR";
    })(ParseErrorLevel = exports.ParseErrorLevel || (exports.ParseErrorLevel = {}));
    var ParseError = /** @class */ (function () {
        function ParseError(span, msg, level) {
            if (level === void 0) { level = ParseErrorLevel.ERROR; }
            this.span = span;
            this.msg = msg;
            this.level = level;
        }
        ParseError.prototype.contextualMessage = function () {
            var ctx = this.span.start.getContext(100, 3);
            return ctx ? this.msg + " (\"" + ctx.before + "[" + ParseErrorLevel[this.level] + " ->]" + ctx.after + "\")" :
                this.msg;
        };
        ParseError.prototype.toString = function () {
            var details = this.span.details ? ", " + this.span.details : '';
            return this.contextualMessage() + ": " + this.span.start + details;
        };
        return ParseError;
    }());
    exports.ParseError = ParseError;
    function typeSourceSpan(kind, type) {
        var moduleUrl = identifierModuleUrl(type);
        var sourceFileName = moduleUrl != null ? "in " + kind + " " + identifierName(type) + " in " + moduleUrl :
            "in " + kind + " " + identifierName(type);
        var sourceFile = new ParseSourceFile('', sourceFileName);
        return new ParseSourceSpan(new ParseLocation(sourceFile, -1, -1, -1), new ParseLocation(sourceFile, -1, -1, -1));
    }
    exports.typeSourceSpan = typeSourceSpan;
    /**
     * Generates Source Span object for a given R3 Type for JIT mode.
     *
     * @param kind Component or Directive.
     * @param typeName name of the Component or Directive.
     * @param sourceUrl reference to Component or Directive source.
     * @returns instance of ParseSourceSpan that represent a given Component or Directive.
     */
    function r3JitTypeSourceSpan(kind, typeName, sourceUrl) {
        var sourceFileName = "in " + kind + " " + typeName + " in " + sourceUrl;
        var sourceFile = new ParseSourceFile('', sourceFileName);
        return new ParseSourceSpan(new ParseLocation(sourceFile, -1, -1, -1), new ParseLocation(sourceFile, -1, -1, -1));
    }
    exports.r3JitTypeSourceSpan = r3JitTypeSourceSpan;
    function syntaxError(msg, parseErrors) {
        var error = Error(msg);
        error[ERROR_SYNTAX_ERROR] = true;
        if (parseErrors)
            error[ERROR_PARSE_ERRORS] = parseErrors;
        return error;
    }
    exports.syntaxError = syntaxError;
    var ERROR_SYNTAX_ERROR = 'ngSyntaxError';
    var ERROR_PARSE_ERRORS = 'ngParseErrors';
    function isSyntaxError(error) {
        return error[ERROR_SYNTAX_ERROR];
    }
    exports.isSyntaxError = isSyntaxError;
    function getParseErrors(error) {
        return error[ERROR_PARSE_ERRORS] || [];
    }
    exports.getParseErrors = getParseErrors;
    var _anonymousTypeIndex = 0;
    function identifierName(compileIdentifier) {
        if (!compileIdentifier || !compileIdentifier.reference) {
            return null;
        }
        var ref = compileIdentifier.reference;
        if (ref instanceof static_symbol_1.StaticSymbol) {
            return ref.name;
        }
        if (ref['__anonymousType']) {
            return ref['__anonymousType'];
        }
        if (ref['__forward_ref__']) {
            // We do not want to try to stringify a `forwardRef()` function because that would cause the
            // inner function to be evaluated too early, defeating the whole point of the `forwardRef`.
            return '__forward_ref__';
        }
        var identifier = util_1.stringify(ref);
        if (identifier.indexOf('(') >= 0) {
            // case: anonymous functions!
            identifier = "anonymous_" + _anonymousTypeIndex++;
            ref['__anonymousType'] = identifier;
        }
        else {
            identifier = sanitizeIdentifier(identifier);
        }
        return identifier;
    }
    exports.identifierName = identifierName;
    function identifierModuleUrl(compileIdentifier) {
        var ref = compileIdentifier.reference;
        if (ref instanceof static_symbol_1.StaticSymbol) {
            return ref.filePath;
        }
        // Runtime type
        return "./" + util_1.stringify(ref);
    }
    exports.identifierModuleUrl = identifierModuleUrl;
    function sanitizeIdentifier(name) {
        return name.replace(/\W/g, '_');
    }
    exports.sanitizeIdentifier = sanitizeIdentifier;
});
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport {StaticSymbol} from './aot/static_symbol';\nimport * as chars from './chars';\nimport {stringify} from './util';\n\nexport class ParseLocation {\n  constructor(\n      public file: ParseSourceFile, public offset: number, public line: number,\n      public col: number) {}\n\n  toString(): string {\n    return this.offset != null ? `${this.file.url}@${this.line}:${this.col}` : this.file.url;\n  }\n\n  moveBy(delta: number): ParseLocation {\n    const source = this.file.content;\n    const len = source.length;\n    let offset = this.offset;\n    let line = this.line;\n    let col = this.col;\n    while (offset > 0 && delta < 0) {\n      offset--;\n      delta++;\n      const ch = source.charCodeAt(offset);\n      if (ch == chars.$LF) {\n        line--;\n        const priorLine = source.substr(0, offset - 1).lastIndexOf(String.fromCharCode(chars.$LF));\n        col = priorLine > 0 ? offset - priorLine : offset;\n      } else {\n        col--;\n      }\n    }\n    while (offset < len && delta > 0) {\n      const ch = source.charCodeAt(offset);\n      offset++;\n      delta--;\n      if (ch == chars.$LF) {\n        line++;\n        col = 0;\n      } else {\n        col++;\n      }\n    }\n    return new ParseLocation(this.file, offset, line, col);\n  }\n\n  // Return the source around the location\n  // Up to `maxChars` or `maxLines` on each side of the location\n  getContext(maxChars: number, maxLines: number): {before: string, after: string}|null {\n    const content = this.file.content;\n    let startOffset = this.offset;\n\n    if (startOffset != null) {\n      if (startOffset > content.length - 1) {\n        startOffset = content.length - 1;\n      }\n      let endOffset = startOffset;\n      let ctxChars = 0;\n      let ctxLines = 0;\n\n      while (ctxChars < maxChars && startOffset > 0) {\n        startOffset--;\n        ctxChars++;\n        if (content[startOffset] == '\\n') {\n          if (++ctxLines == maxLines) {\n            break;\n          }\n        }\n      }\n\n      ctxChars = 0;\n      ctxLines = 0;\n      while (ctxChars < maxChars && endOffset < content.length - 1) {\n        endOffset++;\n        ctxChars++;\n        if (content[endOffset] == '\\n') {\n          if (++ctxLines == maxLines) {\n            break;\n          }\n        }\n      }\n\n      return {\n        before: content.substring(startOffset, this.offset),\n        after: content.substring(this.offset, endOffset + 1),\n      };\n    }\n\n    return null;\n  }\n}\n\nexport class ParseSourceFile {\n  constructor(public content: string, public url: string) {}\n}\n\nexport class ParseSourceSpan {\n  /**\n   * Create an object that holds information about spans of tokens/nodes captured during\n   * lexing/parsing of text.\n   *\n   * @param start\n   * The location of the start of the span (having skipped leading trivia).\n   * Skipping leading trivia makes source-spans more \"user friendly\", since things like HTML\n   * elements will appear to begin at the start of the opening tag, rather than at the start of any\n   * leading trivia, which could include newlines.\n   *\n   * @param end\n   * The location of the end of the span.\n   *\n   * @param fullStart\n   * The start of the token without skipping the leading trivia.\n   * This is used by tooling that splits tokens further, such as extracting Angular interpolations\n   * from text tokens. Such tooling creates new source-spans relative to the original token's\n   * source-span. If leading trivia characters have been skipped then the new source-spans may be\n   * incorrectly offset.\n   *\n   * @param details\n   * Additional information (such as identifier names) that should be associated with the span.\n   */\n  constructor(\n      public start: ParseLocation, public end: ParseLocation,\n      public fullStart: ParseLocation = start, public details: string|null = null) {}\n\n  toString(): string {\n    return this.start.file.content.substring(this.start.offset, this.end.offset);\n  }\n}\n\nexport enum ParseErrorLevel {\n  WARNING,\n  ERROR,\n}\n\nexport class ParseError {\n  constructor(\n      public span: ParseSourceSpan, public msg: string,\n      public level: ParseErrorLevel = ParseErrorLevel.ERROR) {}\n\n  contextualMessage(): string {\n    const ctx = this.span.start.getContext(100, 3);\n    return ctx ? `${this.msg} (\"${ctx.before}[${ParseErrorLevel[this.level]} ->]${ctx.after}\")` :\n                 this.msg;\n  }\n\n  toString(): string {\n    const details = this.span.details ? `, ${this.span.details}` : '';\n    return `${this.contextualMessage()}: ${this.span.start}${details}`;\n  }\n}\n\nexport function typeSourceSpan(kind: string, type: CompileIdentifierMetadata): ParseSourceSpan {\n  const moduleUrl = identifierModuleUrl(type);\n  const sourceFileName = moduleUrl != null ? `in ${kind} ${identifierName(type)} in ${moduleUrl}` :\n                                             `in ${kind} ${identifierName(type)}`;\n  const sourceFile = new ParseSourceFile('', sourceFileName);\n  return new ParseSourceSpan(\n      new ParseLocation(sourceFile, -1, -1, -1), new ParseLocation(sourceFile, -1, -1, -1));\n}\n\n/**\n * Generates Source Span object for a given R3 Type for JIT mode.\n *\n * @param kind Component or Directive.\n * @param typeName name of the Component or Directive.\n * @param sourceUrl reference to Component or Directive source.\n * @returns instance of ParseSourceSpan that represent a given Component or Directive.\n */\nexport function r3JitTypeSourceSpan(\n    kind: string, typeName: string, sourceUrl: string): ParseSourceSpan {\n  const sourceFileName = `in ${kind} ${typeName} in ${sourceUrl}`;\n  const sourceFile = new ParseSourceFile('', sourceFileName);\n  return new ParseSourceSpan(\n      new ParseLocation(sourceFile, -1, -1, -1), new ParseLocation(sourceFile, -1, -1, -1));\n}\n\nexport function syntaxError(msg: string, parseErrors?: ParseError[]): Error {\n  const error = Error(msg);\n  (error as any)[ERROR_SYNTAX_ERROR] = true;\n  if (parseErrors) (error as any)[ERROR_PARSE_ERRORS] = parseErrors;\n  return error;\n}\n\nconst ERROR_SYNTAX_ERROR = 'ngSyntaxError';\nconst ERROR_PARSE_ERRORS = 'ngParseErrors';\n\nexport function isSyntaxError(error: Error): boolean {\n  return (error as any)[ERROR_SYNTAX_ERROR];\n}\n\nexport function getParseErrors(error: Error): ParseError[] {\n  return (error as any)[ERROR_PARSE_ERRORS] || [];\n}\n\nlet _anonymousTypeIndex = 0;\n\nexport function identifierName(compileIdentifier: CompileIdentifierMetadata|null|undefined): string|\n    null {\n  if (!compileIdentifier || !compileIdentifier.reference) {\n    return null;\n  }\n  const ref = compileIdentifier.reference;\n  if (ref instanceof StaticSymbol) {\n    return ref.name;\n  }\n  if (ref['__anonymousType']) {\n    return ref['__anonymousType'];\n  }\n  if (ref['__forward_ref__']) {\n    // We do not want to try to stringify a `forwardRef()` function because that would cause the\n    // inner function to be evaluated too early, defeating the whole point of the `forwardRef`.\n    return '__forward_ref__';\n  }\n  let identifier = stringify(ref);\n  if (identifier.indexOf('(') >= 0) {\n    // case: anonymous functions!\n    identifier = `anonymous_${_anonymousTypeIndex++}`;\n    ref['__anonymousType'] = identifier;\n  } else {\n    identifier = sanitizeIdentifier(identifier);\n  }\n  return identifier;\n}\n\nexport function identifierModuleUrl(compileIdentifier: CompileIdentifierMetadata): string {\n  const ref = compileIdentifier.reference;\n  if (ref instanceof StaticSymbol) {\n    return ref.filePath;\n  }\n  // Runtime type\n  return `./${stringify(ref)}`;\n}\n\nexport interface CompileIdentifierMetadata {\n  reference: any;\n}\n\nexport function sanitizeIdentifier(name: string): string {\n  return name.replace(/\\W/g, '_');\n}\n"]}