diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2010-07-22 14:33:21 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2010-07-22 14:33:21 +0200 |
commit | cea6fb57ac8c9a893c0f404fef6c1469f0b6222b (patch) | |
tree | fed8b6ffa8ea2cb6347ece69c0cb81003d0ccbf6 /odb/tracer/header.cxx | |
parent | 5f71c55a1c24c23af1eeb0d664922497a0e5c071 (diff) |
Next chunk of functionality
Add SQL language lexer. Implement MySQL type declaration parser.
Create sub-directories for databases, currently mysql and tracer.
Create MySQL-specific context.
Diffstat (limited to 'odb/tracer/header.cxx')
-rw-r--r-- | odb/tracer/header.cxx | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/odb/tracer/header.cxx b/odb/tracer/header.cxx new file mode 100644 index 0000000..c023e58 --- /dev/null +++ b/odb/tracer/header.cxx @@ -0,0 +1,161 @@ +// file : odb/tracer/header.cxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#include <odb/common.hxx> +#include <odb/tracer/header.hxx> + +namespace +{ + struct class_: traversal::class_, context + { + class_ (context& c) + : context (c) + { + } + + virtual void + traverse (type& c) + { + if (c.file () != unit.file ()) + return; + + if (!c.count ("object")) + return; + + string const& type (c.fq_name ()); + + // Find the id member and type. + // + id_member t (*this); + t.traverse (c); + + if (t.member () == 0) + { + cerr << c.file () << ":" << c.line () << ":" << c.column () + << " error: no data member designated as object id" << endl; + + cerr << c.file () << ":" << c.line () << ":" << c.column () + << " info: use '#pragma odb id' to specify object id member" + << endl; + + throw generation_failed (); + } + + semantics::data_member& id (*t.member ()); + semantics::type& id_type (id.type ()); + + if (id_type.anonymous ()) + { + // Can be a template-id (which we should handle eventually) or an + // anonymous type in member declaration (e.g., struct {...} m_;). + // + cerr << id.file () << ":" << id.line () << ":" << id.column () + << " error: unnamed type in data member declaration" << endl; + + cerr << id.file () << ":" << id.line () << ":" << id.column () + << " info: use 'typedef' to name this type" + << endl; + + throw generation_failed (); + } + + os << "// " << c.name () << endl + << "//" << endl; + + os << "template <>" << endl + << "class access::object_traits< " << type << " >: " << endl + << " public access::object_memory< " << type << " >," << endl + << " public access::object_factory< " << type << " >" + << "{" + << "public:" << endl; + + // object_type & shared_ptr + // + os << "typedef " << type << " object_type;"; + + // id_type + // + os << "typedef " << id_type.fq_name () << " id_type;" + << endl; + + // id_source + // + os << "static const odb::id_source id_source = odb::ids_assigned;" + << endl; + + // type_name () + // + os << "static const char*" << endl + << "type_name ();" + << endl; + + // id () + // + os << "static id_type" << endl + << "id (const object_type&);" + << endl; + + // persist () + // + os << "static void" << endl + << "persist (database&, object_type&);" + << endl; + + // store () + // + os << "static void" << endl + << "store (database&, object_type&);" + << endl; + + // erase () + // + os << "static void" << endl + << "erase (database&, const id_type&);" + << endl; + + // find () + // + os << "static pointer_type" << endl + << "find (database&, const id_type&);" + << endl; + + os << "static bool" << endl + << "find (database&, const id_type&, object_type&);"; + + os << "};"; + } + }; +} + +namespace tracer +{ + void + generate_header (context& ctx) + { + traversal::unit unit; + traversal::defines unit_defines; + traversal::namespace_ ns; + class_ c (ctx); + + unit >> unit_defines >> ns; + unit_defines >> c; + + traversal::defines ns_defines; + + ns >> ns_defines >> ns; + ns_defines >> c; + + ctx.os << "#include <odb/core.hxx>" << endl + << "#include <odb/traits.hxx>" << endl + << endl; + + ctx.os << "namespace odb" + << "{"; + + unit.dispatch (ctx.unit); + + ctx.os << "}"; + } +} |