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Diffstat (limited to 'include/lldb/Utility/StringLexer.h')
-rw-r--r-- | include/lldb/Utility/StringLexer.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/lldb/Utility/StringLexer.h b/include/lldb/Utility/StringLexer.h new file mode 100644 index 000000000000..42c169c5cf94 --- /dev/null +++ b/include/lldb/Utility/StringLexer.h @@ -0,0 +1,62 @@ +//===--------------------- StringLexer.h -------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef utility_StringLexer_h_ +#define utility_StringLexer_h_ + +#include <string> +#include <list> + +namespace lldb_utility { + +class StringLexer +{ +public: + typedef std::string::size_type Position; + typedef std::string::size_type Size; + + typedef std::string::value_type Character; + + StringLexer (std::string s); + + StringLexer (const StringLexer& rhs); + + Character + Peek (); + + bool + NextIf (Character c); + + Character + Next (); + + bool + HasAtLeast (Size s); + + bool + HasAny (Character c); + + void + PutBack (Character c); + + StringLexer& + operator = (const StringLexer& rhs); + +private: + std::string m_data; + Position m_position; + std::list<Character> m_putback_data; + + void + Consume(); +}; + +} // namespace lldb_private + +#endif // #ifndef utility_StringLexer_h_ |