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Tamarin:String implementation: Difference between revisions
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# Direct strings, where the character data immediately follows the instance data. Memory is allocated via low-level calls to GC-Alloc() with an in-place constructor call. | # Direct strings, where the character data immediately follows the instance data. Memory is allocated via low-level calls to GC-Alloc() with an in-place constructor call. | ||
# Static strings, where the character data is kept elsewhere. This data must be guaranteed to exist longer than the String instance itself. C character | # Static strings, where the character data is kept elsewhere. This data must be guaranteed to exist longer than the String instance itself. C character constants are good candidates. ABC data is also be a good candidate as long as the unload of the ABC data does not cause the data in these strings to become invalid. | ||
# Dependent strings, where a DRC'ed pointer keeps a reference to the master string, and the string contains a pointer to the start of the character data, and a length count. | # Dependent strings, where a DRC'ed pointer keeps a reference to the master string, and the string contains a pointer to the start of the character data, and a length count. | ||
Out-of-memory conditions will be handled by the allocator in a future version. The String class uses checks for NULL, and returns NULL for new strings whose allocation failed. | Out-of-memory conditions will be handled by the allocator in a future version. The String class uses checks for NULL, and returns NULL for new strings whose allocation failed. | ||
=== UTF-8, UTF-16 and UTF-32 === | === UTF-8, UTF-16 and UTF-32 === | ||