They do exactly that in the examples,
https://github.com/boostorg/spirit/blob/develop/example/qi/compiler_tutorial...
________________________________
From: Boost-users on behalf of Michael Powell via Boost-users
Sent: 28 November 2018 23:36
To: boost-users@lists.boost.org
Cc: Michael Powell
Subject: [Boost-users] [Spirit] Qi Symbols mapping to AST enum
Hello,
I've got a qi::symbols capturing some built-in types. At the moment, I
gather, they are mapped to std::string. However, I would rather map
them to an AST level enum.
For instance,
struct builtin_type_t : qi::symbols {
builtin_type_t() {
this->add("double", "double")
("float", "float")
// ...
;
}
} builtin_type;
Instead,
namespace ast {
enum type_t { type_double, type_float /* , ... */ };
}
struct builtin_type_t : qi::symbols {
builtin_type_t() {
this->add("double", ast::type_double)
("float", ast::type_float)
// ...
;
}
} builtin_type;
I assume this is possible? Am I missing something about that?
Thanks!
Michael Powell
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