1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/style/ErrorReporter.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,107 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/* diagnostic reporting for CSS style sheet parser */
1.10 +
1.11 +#ifndef mozilla_css_ErrorReporter_h_
1.12 +#define mozilla_css_ErrorReporter_h_
1.13 +
1.14 +// XXX turn this off for minimo builds
1.15 +#define CSS_REPORT_PARSE_ERRORS
1.16 +
1.17 +#include "nsString.h"
1.18 +
1.19 +struct nsCSSToken;
1.20 +class nsCSSStyleSheet;
1.21 +class nsCSSScanner;
1.22 +class nsIURI;
1.23 +
1.24 +namespace mozilla {
1.25 +namespace css {
1.26 +
1.27 +class Loader;
1.28 +
1.29 +// If CSS_REPORT_PARSE_ERRORS is not defined, all of this class's
1.30 +// methods become inline stubs.
1.31 +class MOZ_STACK_CLASS ErrorReporter {
1.32 +public:
1.33 + ErrorReporter(const nsCSSScanner &aScanner,
1.34 + const nsCSSStyleSheet *aSheet,
1.35 + const Loader *aLoader,
1.36 + nsIURI *aURI);
1.37 + ~ErrorReporter();
1.38 +
1.39 + static void ReleaseGlobals();
1.40 +
1.41 + void OutputError();
1.42 + void OutputError(uint32_t aLineNumber, uint32_t aLineOffset);
1.43 + void ClearError();
1.44 +
1.45 + // In all overloads of ReportUnexpected, aMessage is a stringbundle
1.46 + // name, which will be processed as a format string with the
1.47 + // indicated number of parameters.
1.48 +
1.49 + // no parameters
1.50 + void ReportUnexpected(const char *aMessage);
1.51 + // one parameter, a string
1.52 + void ReportUnexpected(const char *aMessage, const nsString& aParam);
1.53 + // one parameter, a token
1.54 + void ReportUnexpected(const char *aMessage, const nsCSSToken& aToken);
1.55 + // two parameters, a token and a character, in that order
1.56 + void ReportUnexpected(const char *aMessage, const nsCSSToken& aToken,
1.57 + char16_t aChar);
1.58 +
1.59 + // for ReportUnexpectedEOF, aExpected can be either a stringbundle
1.60 + // name or a single character. In the former case there may not be
1.61 + // any format parameters.
1.62 + void ReportUnexpectedEOF(const char *aExpected);
1.63 + void ReportUnexpectedEOF(char16_t aExpected);
1.64 +
1.65 +private:
1.66 + void AddToError(const nsString &aErrorText);
1.67 +
1.68 +#ifdef CSS_REPORT_PARSE_ERRORS
1.69 + nsAutoString mError;
1.70 + nsString mErrorLine;
1.71 + nsString mFileName;
1.72 + const nsCSSScanner *mScanner;
1.73 + const nsCSSStyleSheet *mSheet;
1.74 + const Loader *mLoader;
1.75 + nsIURI *mURI;
1.76 + uint64_t mInnerWindowID;
1.77 + uint32_t mErrorLineNumber;
1.78 + uint32_t mPrevErrorLineNumber;
1.79 + uint32_t mErrorColNumber;
1.80 +#endif
1.81 +};
1.82 +
1.83 +#ifndef CSS_REPORT_PARSE_ERRORS
1.84 +inline ErrorReporter::ErrorReporter(const nsCSSScanner&,
1.85 + const nsCSSStyleSheet*,
1.86 + const Loader*,
1.87 + nsIURI*) {}
1.88 +inline ErrorReporter::~ErrorReporter() {}
1.89 +
1.90 +inline void ErrorReporter::ReleaseGlobals() {}
1.91 +
1.92 +inline void ErrorReporter::OutputError() {}
1.93 +inline void ErrorReporter::ClearError() {}
1.94 +
1.95 +inline void ErrorReporter::ReportUnexpected(const char *) {}
1.96 +inline void ErrorReporter::ReportUnexpected(const char *, const nsString &) {}
1.97 +inline void ErrorReporter::ReportUnexpected(const char *, const nsCSSToken &) {}
1.98 +inline void ErrorReporter::ReportUnexpected(const char *, const nsCSSToken &,
1.99 + char16_t) {}
1.100 +
1.101 +inline void ErrorReporter::ReportUnexpectedEOF(const char *) {}
1.102 +inline void ErrorReporter::ReportUnexpectedEOF(char16_t) {}
1.103 +
1.104 +inline void ErrorReporter::AddToError(const nsString &) {}
1.105 +#endif
1.106 +
1.107 +} // namespace css
1.108 +} // namespace mozilla
1.109 +
1.110 +#endif // mozilla_css_ErrorReporter_h_
