The attached patch implements simple target-specific AsmLexers for ARM and
Thumb. They are shallow subclasses of a common tokenizer that uses a std::map
of register names to IDs to recognize register names, and reports those as
AsmToken::Register tokens instead of identifiers.
I intend to use the ARM and Thumb AsmLexers as part of an extension of the
EnhancedDisassembly library, which provides tokenization and interpretation
functions on top of the basic disassembler, to ARM.
Please let me know what you think of this patch.
Sean
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