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| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-02-09 23:29:24 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-02-09 23:29:24 +0000 |
| commit | 537dca94b35e651248b57db03c9fece4c40bd5f9 (patch) | |
| tree | c6559d7f5c823fa0e7a16091177455cb1735bfcd /include | |
| parent | a4122f4746f3d89530f59f84ce21e9eb3bbabb9e (diff) | |
| download | llvm-537dca94b35e651248b57db03c9fece4c40bd5f9.tar.gz llvm-537dca94b35e651248b57db03c9fece4c40bd5f9.tar.bz2 llvm-537dca94b35e651248b57db03c9fece4c40bd5f9.tar.xz | |
MCParser: add a single token lookahead
Some of the more complex directive and macro handling for GAS compatibility
requires lookahead. Add a single token lookahead in the MCAsmLexer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201058 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/MC/MCParser/AsmLexer.h | 2 | ||||
| -rw-r--r-- | include/llvm/MC/MCParser/MCAsmLexer.h | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/MC/MCParser/AsmLexer.h b/include/llvm/MC/MCParser/AsmLexer.h index 1b3ab57751..89677a91cd 100644 --- a/include/llvm/MC/MCParser/AsmLexer.h +++ b/include/llvm/MC/MCParser/AsmLexer.h @@ -47,6 +47,8 @@ public: virtual StringRef LexUntilEndOfStatement(); StringRef LexUntilEndOfLine(); + virtual const AsmToken peekTok(bool ShouldSkipSpace = true); + bool isAtStartOfComment(char Char); bool isAtStatementSeparator(const char *Ptr); diff --git a/include/llvm/MC/MCParser/MCAsmLexer.h b/include/llvm/MC/MCParser/MCAsmLexer.h index ceba3f05e1..e3d4181e08 100644 --- a/include/llvm/MC/MCParser/MCAsmLexer.h +++ b/include/llvm/MC/MCParser/MCAsmLexer.h @@ -160,6 +160,9 @@ public: return CurTok; } + /// peekTok - Look ahead at the next token to be lexed. + virtual const AsmToken peekTok(bool ShouldSkipSpace = true) = 0; + /// getErrLoc - Get the current error location const SMLoc &getErrLoc() { return ErrLoc; |