diff options
Diffstat (limited to 'libbuild2/token.cxx')
| -rw-r--r-- | libbuild2/token.cxx | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libbuild2/token.cxx b/libbuild2/token.cxx new file mode 100644 index 0000000..7455e26 --- /dev/null +++ b/libbuild2/token.cxx @@ -0,0 +1,60 @@ +// file : libbuild2/token.cxx -*- C++ -*- +// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd +// license : MIT; see accompanying LICENSE file + +#include <libbuild2/token.hxx> + +using namespace std; + +namespace build2 +{ + void + token_printer (ostream& os, const token& t, bool d) + { + // Only quote non-name tokens for diagnostics. + // + const char* q (d ? "'" : ""); + + switch (t.type) + { + case token_type::eos: os << "<end of file>"; break; + case token_type::newline: os << "<newline>"; break; + case token_type::pair_separator: os << "<pair separator " << t.value[0] << ">"; break; + case token_type::word: os << '\'' << t.value << '\''; break; + + case token_type::colon: os << q << ':' << q; break; + case token_type::dollar: os << q << '$' << q; break; + case token_type::question: os << q << '?' << q; break; + case token_type::comma: os << q << ',' << q; break; + + case token_type::lparen: os << q << '(' << q; break; + case token_type::rparen: os << q << ')' << q; break; + + case token_type::lcbrace: os << q << '{' << q; break; + case token_type::rcbrace: os << q << '}' << q; break; + + case token_type::lsbrace: os << q << '[' << q; break; + case token_type::rsbrace: os << q << ']' << q; break; + + case token_type::labrace: os << q << '<' << q; break; + case token_type::rabrace: os << q << '>' << q; break; + + case token_type::assign: os << q << '=' << q; break; + case token_type::prepend: os << q << "=+" << q; break; + case token_type::append: os << q << "+=" << q; break; + + case token_type::equal: os << q << "==" << q; break; + case token_type::not_equal: os << q << "!=" << q; break; + case token_type::less: os << q << '<' << q; break; + case token_type::greater: os << q << '>' << q; break; + case token_type::less_equal: os << q << "<=" << q; break; + case token_type::greater_equal: os << q << ">=" << q; break; + + case token_type::log_or: os << q << "||" << q; break; + case token_type::log_and: os << q << "&&" << q; break; + case token_type::log_not: os << q << '!' << q; break; + + default: assert (false); // Unhandled extended token. + } + } +} |