gcc analyze tools

[Ian Lance Taylor]

charfi asma <charfiasma@yahoo.fr> writes:

> However, have you any idea why gcc uses now hand written lexer and parsers ? 
> what's wrong with lexer/ parser generated from flex/ bison ?

The C and C++ languages are not LALR(1), and as such are not suitable
for parsing by bison.  The old bison parsers were hard to read, hard to
modify, and, at least for C++, not wholly correct.

Ian