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Added a buffer to construct error messages in without allocation.

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This commit is contained in:
Ferdinand Majerech 2014-07-24 23:17:24 +02:00
parent f9eb7b2eb1
commit 19f163a150
1 changed files with 9 additions and 0 deletions
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9
source/dyaml/scanner.d
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@ -157,6 +157,15 @@ final class Scanner
/// Data for the exception to throw if error_ is true. /// Data for the exception to throw if error_ is true.
ErrorData errorData_; ErrorData errorData_;
/// Error messages can be built in this buffer without using the GC.
///
/// ScannerException (MarkedYAMLException) copies string data passed to its
/// constructor so it's safe to use slices of this buffer as parameters for
/// exceptions that may outlive the Scanner. The GC allocation when creating the
/// error message is removed, but the allocation when creating an exception is
/// not.
char[256] msgBuffer_;
public: public:
///Construct a Scanner using specified Reader. ///Construct a Scanner using specified Reader.
this(Reader reader) @safe nothrow this(Reader reader) @safe nothrow