The Tor Browser: layout/style/ErrorReporter.h@8bccb770b82d

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /* diagnostic reporting for CSS style sheet parser */

     8 #ifndef mozilla_css_ErrorReporter_h_

     9 #define mozilla_css_ErrorReporter_h_

    11 // XXX turn this off for minimo builds

    12 #define CSS_REPORT_PARSE_ERRORS

    14 #include "nsString.h"

    16 struct nsCSSToken;

    17 class nsCSSStyleSheet;

    18 class nsCSSScanner;

    19 class nsIURI;

    21 namespace mozilla {

    22 namespace css {

    24 class Loader;

    26 // If CSS_REPORT_PARSE_ERRORS is not defined, all of this class's

    27 // methods become inline stubs.

    28 class MOZ_STACK_CLASS ErrorReporter {

    29 public:

    30   ErrorReporter(const nsCSSScanner &aScanner,

    31                 const nsCSSStyleSheet *aSheet,

    32                 const Loader *aLoader,

    33                 nsIURI *aURI);

    34   ~ErrorReporter();

    36   static void ReleaseGlobals();

    38   void OutputError();

    39   void OutputError(uint32_t aLineNumber, uint32_t aLineOffset);

    40   void ClearError();

    42   // In all overloads of ReportUnexpected, aMessage is a stringbundle

    43   // name, which will be processed as a format string with the

    44   // indicated number of parameters.

    46   // no parameters

    47   void ReportUnexpected(const char *aMessage);

    48   // one parameter, a string

    49   void ReportUnexpected(const char *aMessage, const nsString& aParam);

    50   // one parameter, a token

    51   void ReportUnexpected(const char *aMessage, const nsCSSToken& aToken);

    52   // two parameters, a token and a character, in that order

    53   void ReportUnexpected(const char *aMessage, const nsCSSToken& aToken,

    54                         char16_t aChar);

    56   // for ReportUnexpectedEOF, aExpected can be either a stringbundle

    57   // name or a single character.  In the former case there may not be

    58   // any format parameters.

    59   void ReportUnexpectedEOF(const char *aExpected);

    60   void ReportUnexpectedEOF(char16_t aExpected);

    62 private:

    63   void AddToError(const nsString &aErrorText);

    65 #ifdef CSS_REPORT_PARSE_ERRORS

    66   nsAutoString mError;

    67   nsString mErrorLine;

    68   nsString mFileName;

    69   const nsCSSScanner *mScanner;

    70   const nsCSSStyleSheet *mSheet;

    71   const Loader *mLoader;

    72   nsIURI *mURI;

    73   uint64_t mInnerWindowID;

    74   uint32_t mErrorLineNumber;

    75   uint32_t mPrevErrorLineNumber;

    76   uint32_t mErrorColNumber;

    77 #endif

    78 };

    80 #ifndef CSS_REPORT_PARSE_ERRORS

    81 inline ErrorReporter::ErrorReporter(const nsCSSScanner&,

    82                                     const nsCSSStyleSheet*,

    83                                     const Loader*,

    84                                     nsIURI*) {}

    85 inline ErrorReporter::~ErrorReporter() {}

    87 inline void ErrorReporter::ReleaseGlobals() {}

    89 inline void ErrorReporter::OutputError() {}

    90 inline void ErrorReporter::ClearError() {}

    92 inline void ErrorReporter::ReportUnexpected(const char *) {}

    93 inline void ErrorReporter::ReportUnexpected(const char *, const nsString &) {}

    94 inline void ErrorReporter::ReportUnexpected(const char *, const nsCSSToken &) {}

    95 inline void ErrorReporter::ReportUnexpected(const char *, const nsCSSToken &,

    96                                             char16_t) {}

    98 inline void ErrorReporter::ReportUnexpectedEOF(const char *) {}

    99 inline void ErrorReporter::ReportUnexpectedEOF(char16_t) {}

   101 inline void ErrorReporter::AddToError(const nsString &) {}

   102 #endif

   104 } // namespace css

   105 } // namespace mozilla

   107 #endif // mozilla_css_ErrorReporter_h_

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