Writing a C/C++ compiler in C++

I've been thinking of writing a C++ compiler in C++ over the next
several years, and I was wondering what's changed in writing a
compiler?


I've been pouring over these groups and there seems to be a lot of
tools for starting but is the modern process still the same? As far as
I understand it you write a lexer that tokenizes all the symbols, then
write a parser that parses all of the tokens, then walks the parse
tree to generate the asm or IL that gets shoved to the backend.


So it seemed straightforward except that C++ isn't a LALR(1) grammer
that Bison or Byacc accepts. Does this pose problems in writing the
lexer?


Basically I'd like to use a lot of generic programming components such
as STL and boost templates for doing much of the pattern matching and
tree manipulation, and I'm looking for a place to start. Can I start
with a simple lexer or lexer generator, or does that not make sense
for C++ (or even just C)?

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