[PATCH] D20009: Refactor and cleanup Assembly Parsing / Lexing

[Nirav Dave via llvm-commits]

niravd created this revision.
niravd added reviewers: rtrieu, dwmw2.
niravd added a subscriber: llvm-commits.

Add explicit Comment Token in Assembly Lexing for future support for
outputing explicit comments from inline assembly. As part of this,
CPPHash Directives are now explicitly distinguished from Hash line
comments in Lexer. As part of this remove all lexing tasks out of the
parser. For now, the parser silently

Also minor cleanups to remove extraneous newlines Asm Output and some
improvements white space handling.

http://reviews.llvm.org/D20009

Files:
  include/llvm/MC/MCParser/AsmLexer.h
  include/llvm/MC/MCParser/MCAsmLexer.h
  lib/MC/MCParser/AsmLexer.cpp
  lib/MC/MCParser/AsmParser.cpp
  lib/Target/ARM/AsmParser/ARMAsmParser.cpp
  lib/Target/Hexagon/AsmParser/HexagonAsmParser.cpp
  lib/Target/Lanai/AsmParser/LanaiAsmParser.cpp
  lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
  lib/Target/X86/AsmParser/X86AsmParser.cpp

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