summaryrefslogtreecommitdiff
path: root/odb/type-processor.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'odb/type-processor.cxx')
-rw-r--r--odb/type-processor.cxx1099
1 files changed, 0 insertions, 1099 deletions
diff --git a/odb/type-processor.cxx b/odb/type-processor.cxx
deleted file mode 100644
index ebead7b..0000000
--- a/odb/type-processor.cxx
+++ /dev/null
@@ -1,1099 +0,0 @@
-// file : odb/type-processor.cxx
-// author : Boris Kolpackov <boris@codesynthesis.com>
-// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
-// license : GNU GPL v3; see accompanying LICENSE file
-
-#include <odb/gcc.hxx>
-
-#include <odb/cxx-lexer.hxx>
-#include <odb/type-processor.hxx>
-
-using namespace std;
-
-namespace
-{
- // Indirect (dynamic) context values.
- //
- static semantics::type*
- id_tree_type (context& c)
- {
- semantics::data_member& id (c.id_member (*c.object));
- return &id.type ();
- }
-
- static string
- id_column_type (context& c)
- {
- semantics::data_member& id (c.id_member (*c.object));
- return id.get<string> ("ref-column-type");
- }
-
- struct data_member: traversal::data_member, context
- {
- data_member (context& c)
- : context (c)
- {
- // Find the odb namespace.
- //
- tree odb = lookup_qualified_name (
- global_namespace, get_identifier ("odb"), false, false);
-
- if (odb == error_mark_node)
- {
- os << unit.file () << ": error: unable to resolve odb namespace"
- << endl;
-
- throw generation_failed ();
- }
-
- // Find pointer traits.
- //
- pointer_traits_ = lookup_qualified_name (
- odb, get_identifier ("pointer_traits"), true, false);
-
- if (container_traits_ == error_mark_node ||
- !DECL_CLASS_TEMPLATE_P (pointer_traits_))
- {
- os << unit.file () << ": error: unable to resolve pointer_traits "
- << "in the odb namespace" << endl;
-
- throw generation_failed ();
- }
-
- // Find the access class.
- //
- tree access = lookup_qualified_name (
- odb, get_identifier ("access"), true, false);
-
- if (access == error_mark_node)
- {
- os << unit.file () << ": error: unable to resolve access class"
- << "in the odb namespace" << endl;
-
- throw generation_failed ();
- }
-
- access = TREE_TYPE (access);
-
- // Find container_traits.
- //
- container_traits_ = lookup_qualified_name (
- access, get_identifier ("container_traits"), true, false);
-
- if (container_traits_ == error_mark_node ||
- !DECL_CLASS_TEMPLATE_P (container_traits_))
- {
- os << unit.file () << ": error: unable to resolve container_traits "
- << "in the odb namespace" << endl;
-
- throw generation_failed ();
- }
- }
-
- virtual void
- traverse (semantics::data_member& m)
- {
- if (m.count ("transient"))
- return;
-
- semantics::type& t (m.type ());
-
- // Nothing to do if this is a composite value type.
- //
- if (comp_value (t))
- return;
-
- string type, ref_type;
-
- if (m.count ("type"))
- type = m.get<string> ("type");
-
- if (type.empty () && t.count ("type"))
- type = t.get<string> ("type");
-
- if (semantics::class_* c = process_object_pointer (m, t))
- {
- // This is an object pointer. The column type is the pointed-to
- // object id type. Except by default it can be NULL.
- //
- semantics::data_member& id (id_member (*c));
- semantics::type& idt (id.type ());
-
- if (type.empty () && id.count ("type"))
- type = id.get<string> ("type");
-
- if (type.empty () && idt.count ("type"))
- type = idt.get<string> ("type");
-
- column_type_flags f (ctf_object_id_ref);
-
- if (null_pointer (m))
- f |= ctf_default_null;
-
- type = database_type (idt, type, id, f);
- }
- else
- {
- string orig (type);
- type = database_type (t, orig, m, ctf_none);
-
- if (m.count ("id"))
- ref_type = database_type (t, orig, m, ctf_object_id_ref);
- }
-
- if (!type.empty ())
- {
- m.set ("column-type", type);
-
- if (!ref_type.empty ())
- m.set ("ref-column-type", ref_type);
-
- return;
- }
-
- // See if this is a container type.
- //
- if (process_container (m))
- return;
-
- // If it is none of the above then we have an error.
- //
- string const& fq_type (t.fq_name (m.belongs ().hint ()));
-
- os << m.file () << ":" << m.line () << ":" << m.column () << ":"
- << " error: unable to map C++ type '" << fq_type << "' used in "
- << "data member '" << m.name () << "' to a database type" << endl;
-
- os << m.file () << ":" << m.line () << ":" << m.column () << ":"
- << " info: use '#pragma db type' to specify the database type"
- << endl;
-
- throw generation_failed ();
- }
-
- void
- process_container_value (semantics::type& t,
- semantics::data_member& m,
- string const& prefix,
- bool obj_ptr)
- {
- if (comp_value (t))
- return;
-
- string type;
- semantics::type& ct (m.type ());
-
- // Custom mapping can come from these places (listed in the order
- // of priority): member, container type, value type. To complicate
- // things a bit, for object references, it can also come from the
- // member and value type of the id member.
- //
- if (m.count (prefix + "-type"))
- type = m.get<string> (prefix + "-type");
-
- if (type.empty () && ct.count (prefix + "-type"))
- type = ct.get<string> (prefix + "-type");
-
- if (type.empty () && t.count ("type"))
- type = t.get<string> ("type");
-
- semantics::class_* c;
- if (obj_ptr && (c = process_object_pointer (m, t, prefix)))
- {
- // This is an object pointer. The column type is the pointed-to
- // object id type. Except by default it can be NULL.
- //
- semantics::data_member& id (id_member (*c));
- semantics::type& idt (id.type ());
-
- if (type.empty () && id.count ("type"))
- type = id.get<string> ("type");
-
- if (type.empty () && idt.count ("type"))
- type = idt.get<string> ("type");
-
- column_type_flags f (ctf_object_id_ref);
-
- if (null_pointer (m, prefix))
- f |= ctf_default_null;
-
- type = database_type (idt, type, id, f);
- }
- else
- type = database_type (t, type, m, ctf_none);
-
- if (!type.empty ())
- {
- m.set (prefix + "-column-type", type);
- return;
- }
-
- // We do not support nested containers so skip that test.
- //
-
- // If it is none of the above then we have an error.
- //
- string fq_type (t.fq_anonymous () ? "<anonymous>" : t.fq_name ());
-
- os << m.file () << ":" << m.line () << ":" << m.column () << ":"
- << " error: unable to map C++ type '" << fq_type << "' used in "
- << "data member '" << m.name () << "' to a database type" << endl;
-
- os << m.file () << ":" << m.line () << ":" << m.column () << ":"
- << " info: use '#pragma db " << prefix << "_type' to specify the "
- << "database type" << endl;
-
- throw generation_failed ();
- }
-
- bool
- process_container (semantics::data_member& m)
- {
- // The overall idea is as follows: try to instantiate the container
- // traits class template. If we are successeful, then this is a
- // container type and we can extract the various information from
- // the instantiation. Otherwise, this is not a container.
- //
-
- semantics::type& t (m.type ());
-
- container_kind_type ck;
- semantics::type* vt (0);
- semantics::type* it (0);
- semantics::type* kt (0);
-
- if (t.count ("container"))
- {
- ck = t.get<container_kind_type> ("container-kind");
- vt = t.get<semantics::type*> ("tree-value-type");
-
- if (ck == ck_ordered)
- it = t.get<semantics::type*> ("tree-index-type");
-
- if (ck == ck_map || ck == ck_multimap)
- kt = t.get<semantics::type*> ("tree-key-type");
- }
- else
- {
- tree inst (instantiate_template (container_traits_, t.tree_node ()));
-
- if (inst == 0)
- return false;
-
- // @@ This points to the primary template, not the specialization.
- //
- tree decl (TYPE_NAME (inst));
-
- string f (DECL_SOURCE_FILE (decl));
- size_t l (DECL_SOURCE_LINE (decl));
- size_t c (DECL_SOURCE_COLUMN (decl));
-
- // Determine the container kind.
- //
- try
- {
- tree kind (
- lookup_qualified_name (
- inst, get_identifier ("kind"), false, false));
-
- if (kind == error_mark_node || TREE_CODE (kind) != VAR_DECL)
- throw generation_failed ();
-
-
- // Instantiate this decalaration so that we can get its value.
- //
- if (DECL_TEMPLATE_INSTANTIATION (kind) &&
- !DECL_TEMPLATE_INSTANTIATED (kind) &&
- !DECL_EXPLICIT_INSTANTIATION (kind))
- instantiate_decl (kind, false, false);
-
- tree init (DECL_INITIAL (kind));
-
- if (init == error_mark_node || TREE_CODE (init) != INTEGER_CST)
- throw generation_failed ();
-
- unsigned long long e;
-
- {
- HOST_WIDE_INT hwl (TREE_INT_CST_LOW (init));
- HOST_WIDE_INT hwh (TREE_INT_CST_HIGH (init));
-
- unsigned long long l (hwl);
- unsigned long long h (hwh);
- unsigned short width (HOST_BITS_PER_WIDE_INT);
-
- e = (h << width) + l;
- }
-
- ck = static_cast<container_kind_type> (e);
- }
- catch (generation_failed const&)
- {
- os << f << ":" << l << ":" << c << ": error: "
- << "container_traits specialization does not define the "
- << "container kind constant" << endl;
-
- throw;
- }
-
- t.set ("container-kind", ck);
-
- // Get the value type.
- //
- try
- {
- tree decl (
- lookup_qualified_name (
- inst, get_identifier ("value_type"), true, false));
-
- if (decl == error_mark_node || TREE_CODE (decl) != TYPE_DECL)
- throw generation_failed ();
-
- tree type (TYPE_MAIN_VARIANT (TREE_TYPE (decl)));
-
- vt = &dynamic_cast<semantics::type&> (*unit.find (type));
- }
- catch (generation_failed const&)
- {
- os << f << ":" << l << ":" << c << ": error: "
- << "container_traits specialization does not define the "
- << "value_type type" << endl;
-
- throw;
- }
-
- t.set ("tree-value-type", vt);
-
-
- // Get the index type for ordered containers.
- //
- if (ck == ck_ordered)
- {
- try
- {
- tree decl (
- lookup_qualified_name (
- inst, get_identifier ("index_type"), true, false));
-
- if (decl == error_mark_node || TREE_CODE (decl) != TYPE_DECL)
- throw generation_failed ();
-
- tree type (TYPE_MAIN_VARIANT (TREE_TYPE (decl)));
-
- it = &dynamic_cast<semantics::type&> (*unit.find (type));
- }
- catch (generation_failed const&)
- {
- os << f << ":" << l << ":" << c << ": error: "
- << "container_traits specialization does not define the "
- << "index_type type" << endl;
-
- throw;
- }
-
- t.set ("tree-index-type", it);
- }
-
- // Get the key type for maps.
- //
- if (ck == ck_map || ck == ck_multimap)
- {
- try
- {
- tree decl (
- lookup_qualified_name (
- inst, get_identifier ("key_type"), true, false));
-
- if (decl == error_mark_node || TREE_CODE (decl) != TYPE_DECL)
- throw generation_failed ();
-
- tree type (TYPE_MAIN_VARIANT (TREE_TYPE (decl)));
-
- kt = &dynamic_cast<semantics::type&> (*unit.find (type));
- }
- catch (generation_failed const&)
- {
- os << f << ":" << l << ":" << c << ": error: "
- << "container_traits specialization does not define the "
- << "key_type type" << endl;
-
- throw;
- }
-
- t.set ("tree-key-type", kt);
- }
- }
-
- // Process member data.
- //
- m.set ("tree-id-type", &id_tree_type);
- m.set ("id-column-type", &id_column_type);
-
- process_container_value (*vt, m, "value", true);
-
- if (it != 0)
- process_container_value (*it, m, "index", false);
-
- if (kt != 0)
- process_container_value (*kt, m, "key", false);
-
- // If this is an inverse side of a bidirectional object relationship
- // and it is an ordered container, mark it as unordred since there is
- // no concept of order in this construct.
- //
- if (ck == ck_ordered && m.count ("value-inverse"))
- m.set ("unordered", string ()); // Keep compatible with pragma.
-
- return true;
- }
-
- semantics::class_*
- process_object_pointer (semantics::data_member& m,
- semantics::type& t,
- string const& kp = string ())
- {
- // The overall idea is as follows: try to instantiate the pointer
- // traits class template. If we are successeful, then get the
- // element type and see if it is an object.
- //
- using semantics::class_;
- using semantics::data_member;
-
- class_* c (0);
-
- if (t.count ("element-type"))
- c = t.get<class_*> ("element-type");
- else
- {
- tree inst (instantiate_template (pointer_traits_, t.tree_node ()));
-
- if (inst == 0)
- return 0;
-
- // @@ This points to the primary template, not the specialization.
- //
- tree decl (TYPE_NAME (inst));
-
- string fl (DECL_SOURCE_FILE (decl));
- size_t ln (DECL_SOURCE_LINE (decl));
- size_t cl (DECL_SOURCE_COLUMN (decl));
-
- // Get the element type.
- //
- tree tn (0);
- try
- {
- tree decl (
- lookup_qualified_name (
- inst, get_identifier ("element_type"), true, false));
-
- if (decl == error_mark_node || TREE_CODE (decl) != TYPE_DECL)
- throw generation_failed ();
-
- tn = TYPE_MAIN_VARIANT (TREE_TYPE (decl));
-
- // Check if the pointer is a TR1 template instantiation.
- //
- if (tree ti = TYPE_TEMPLATE_INFO (t.tree_node ()))
- {
- decl = TI_TEMPLATE (ti); // DECL_TEMPLATE
-
- // Get to the most general template declaration.
- //
- while (DECL_TEMPLATE_INFO (decl))
- decl = DECL_TI_TEMPLATE (decl);
-
- if (!unit.count ("tr1-pointer-used"))
- {
- unit.set ("tr1-pointer-used", false);
- unit.set ("boost-pointer-used", false);
- }
-
- bool& tr1 (unit.get<bool> ("tr1-pointer-used"));
- bool& boost (unit.get<bool> ("boost-pointer-used"));
-
- string n (decl_as_string (decl, TFF_PLAIN_IDENTIFIER));
-
- // In case of a boost TR1 implementation, we cannot distinguish
- // between the boost:: and std::tr1:: usage since the latter is
- // just a using-declaration for the former.
- //
- tr1 = tr1
- || n.compare (0, 8, "std::tr1") == 0
- || n.compare (0, 10, "::std::tr1") == 0;
-
- boost = boost
- || n.compare (0, 17, "boost::shared_ptr") == 0
- || n.compare (0, 19, "::boost::shared_ptr") == 0;
- }
- }
- catch (generation_failed const&)
- {
- os << fl << ":" << ln << ":" << cl << ": error: pointer_traits "
- << "specialization does not define the 'element_type' type"
- << endl;
- throw;
- }
-
- c = dynamic_cast<class_*> (unit.find (tn));
-
- if (c == 0 || !c->count ("object"))
- return 0;
-
- t.set ("element-type", c);
-
- // Determine the pointer kind.
- //
- try
- {
- tree kind (
- lookup_qualified_name (
- inst, get_identifier ("kind"), false, false));
-
- if (kind == error_mark_node || TREE_CODE (kind) != VAR_DECL)
- throw generation_failed ();
-
- // Instantiate this decalaration so that we can get its value.
- //
- if (DECL_TEMPLATE_INSTANTIATION (kind) &&
- !DECL_TEMPLATE_INSTANTIATED (kind) &&
- !DECL_EXPLICIT_INSTANTIATION (kind))
- instantiate_decl (kind, false, false);
-
- tree init (DECL_INITIAL (kind));
-
- if (init == error_mark_node || TREE_CODE (init) != INTEGER_CST)
- throw generation_failed ();
-
- unsigned long long e;
-
- {
- HOST_WIDE_INT hwl (TREE_INT_CST_LOW (init));
- HOST_WIDE_INT hwh (TREE_INT_CST_HIGH (init));
-
- unsigned long long l (hwl);
- unsigned long long h (hwh);
- unsigned short width (HOST_BITS_PER_WIDE_INT);
-
- e = (h << width) + l;
- }
-
- pointer_kind_type pk = static_cast<pointer_kind_type> (e);
- t.set ("pointer-kind", pk);
- }
- catch (generation_failed const&)
- {
- os << fl << ":" << ln << ":" << cl << ": error: pointer_traits "
- << "specialization does not define the 'kind' constant" << endl;
- throw;
- }
-
- // Get the lazy flag.
- //
- try
- {
- tree lazy (
- lookup_qualified_name (
- inst, get_identifier ("lazy"), false, false));
-
- if (lazy == error_mark_node || TREE_CODE (lazy) != VAR_DECL)
- throw generation_failed ();
-
- // Instantiate this decalaration so that we can get its value.
- //
- if (DECL_TEMPLATE_INSTANTIATION (lazy) &&
- !DECL_TEMPLATE_INSTANTIATED (lazy) &&
- !DECL_EXPLICIT_INSTANTIATION (lazy))
- instantiate_decl (lazy, false, false);
-
- tree init (DECL_INITIAL (lazy));
-
- if (init == error_mark_node || TREE_CODE (init) != INTEGER_CST)
- throw generation_failed ();
-
- unsigned long long e;
-
- {
- HOST_WIDE_INT hwl (TREE_INT_CST_LOW (init));
- HOST_WIDE_INT hwh (TREE_INT_CST_HIGH (init));
-
- unsigned long long l (hwl);
- unsigned long long h (hwh);
- unsigned short width (HOST_BITS_PER_WIDE_INT);
-
- e = (h << width) + l;
- }
-
- t.set ("pointer-lazy", static_cast<bool> (e));
- }
- catch (generation_failed const&)
- {
- os << fl << ":" << ln << ":" << cl << ": error: pointer_traits "
- << "specialization does not define the 'kind' constant" << endl;
- throw;
- }
- }
-
- if (m.count ("not-null") && !kp.empty ())
- {
- m.remove ("not-null");
- m.set (kp + "-not-null", string ()); // Keep compatible with pragma.
- }
-
- // See if this is the inverse side of a bidirectional relationship.
- // If so, then resolve the member and cache it in the context.
- //
- if (m.count ("inverse"))
- {
- string name (m.get<string> ("inverse"));
- tree decl (
- lookup_qualified_name (
- c->tree_node (), get_identifier (name.c_str ()), false, false));
-
- if (decl == error_mark_node || TREE_CODE (decl) != FIELD_DECL)
- {
- os << m.file () << ":" << m.line () << ":" << m.column () << ": "
- << "error: unable to resolve data member '" << name << "' "
- << "specified with '#pragma db inverse' in class '"
- << c->fq_name () << "'" << endl;
- throw generation_failed ();
- }
-
- data_member* im (dynamic_cast<data_member*> (unit.find (decl)));
-
- if (im == 0)
- {
- os << m.file () << ":" << m.line () << ":" << m.column () << ": "
- << "ice: unable to find semantic graph node corresponding to "
- << "data member '" << name << "' in class '" << c->fq_name ()
- << "'" << endl;
- throw generation_failed ();
- }
-
- // @@ Would be good to check that the other end is actually
- // an object pointer and is not marked as inverse. But the
- // other class may not have been processed yet.
- //
- m.remove ("inverse");
- m.set (kp + (kp.empty () ? "": "-") + "inverse", im);
- }
-
- return c;
- }
-
- tree
- instantiate_template (tree t, tree arg)
- {
- tree args (make_tree_vec (1));
- TREE_VEC_ELT (args, 0) = arg;
-
- // This step should succeed regardles of whether there is a
- // container traits specialization for this type.
- //
- tree inst (
- lookup_template_class (t, args, 0, 0, 0, tf_warning_or_error));
-
- if (inst == error_mark_node)
- {
- // Diagnostics has already been issued by lookup_template_class.
- //
- throw generation_failed ();
- }
-
- inst = TYPE_MAIN_VARIANT (inst);
-
- // The instantiation may already be complete if it matches a
- // (complete) specialization or was used before.
- //
- if (!COMPLETE_TYPE_P (inst))
- inst = instantiate_class_template (inst);
-
- // If we cannot instantiate this type, assume there is no suitable
- // specialization for it.
- //
- if (inst == error_mark_node || !COMPLETE_TYPE_P (inst))
- return 0;
-
- return inst;
- }
-
- private:
- tree pointer_traits_;
- tree container_traits_;
- };
-
- struct class_: traversal::class_, context
- {
- class_ (context& c)
- : context (c), member_ (c)
- {
- *this >> member_names_ >> member_;
- }
-
- virtual void
- traverse (type& c)
- {
- bool obj (c.count ("object"));
-
- if (!(obj || comp_value (c)))
- return;
-
- names (c);
-
- // Assign object pointer.
- //
- if (obj)
- assign_pointer (c);
- }
-
- void
- assign_pointer (type& c)
- {
- try
- {
- string ptr;
- string const& name (c.fq_name ());
-
- tree decl (0); // Resolved template node.
- string decl_name; // User-provided template name.
-
- if (c.count ("pointer"))
- {
- string const& p (c.get<string> ("pointer"));
-
- if (p == "*")
- ptr = name + "*";
- else if (p[p.size () - 1] == '*')
- ptr = p;
- else if (p.find ('<') != string::npos)
- {
- // Template-id.
- //
- ptr = p;
- decl_name.assign (p, 0, p.find ('<'));
- }
- else
- {
- // This is not a template-id. Resolve it and see if it is a
- // template or a type.
- //
- decl = resolve_name (p, c.scope (), true);
- int tc (TREE_CODE (decl));
-
- if (tc == TYPE_DECL)
- {
- ptr = p;
-
- // This can be a typedef'ed alias for a TR1 template-id.
- //
- if (tree ti = TYPE_TEMPLATE_INFO (TREE_TYPE (decl)))
- {
- decl = TI_TEMPLATE (ti); // DECL_TEMPLATE
-
- // Get to the most general template declaration.
- //
- while (DECL_TEMPLATE_INFO (decl))
- decl = DECL_TI_TEMPLATE (decl);
- }
- else
- decl = 0; // Not a template.
- }
- else if (tc == TEMPLATE_DECL && DECL_CLASS_TEMPLATE_P (decl))
- {
- ptr = p + "< " + name + " >";
- decl_name = p;
- }
- else
- {
- cerr << c.file () << ":" << c.line () << ":" << c.column ()
- << ": error: name '" << p << "' specified with "
- << "'#pragma object pointer' does not name a type "
- << "or a template" << endl;
-
- throw generation_failed ();
- }
- }
- }
- else
- {
- // Use the default pointer.
- //
- string const& p (options.default_pointer ());
-
- if (p == "*")
- ptr = name + "*";
- else
- {
- ptr = p + "< " + name + " >";
- decl_name = p;
- }
- }
-
- // Check if we are using TR1.
- //
- if (decl != 0 || !decl_name.empty ())
- {
- if (!unit.count ("tr1-pointer-used"))
- {
- unit.set ("tr1-pointer-used", false);
- unit.set ("boost-pointer-used", false);
- }
-
- bool& tr1 (unit.get<bool> ("tr1-pointer-used"));
- bool& boost (unit.get<bool> ("boost-pointer-used"));
-
- // First check the user-supplied name.
- //
- tr1 = tr1
- || decl_name.compare (0, 8, "std::tr1") == 0
- || decl_name.compare (0, 10, "::std::tr1") == 0;
-
- // If there was no match, also resolve the name since it can be
- // a using-declaration for a TR1 template.
- //
- if (!tr1)
- {
- if (decl == 0)
- decl = resolve_name (decl_name, c.scope (), false);
-
- if (TREE_CODE (decl) != TEMPLATE_DECL || !
- DECL_CLASS_TEMPLATE_P (decl))
- {
- cerr << c.file () << ":" << c.line () << ":" << c.column ()
- << ": error: name '" << decl_name << "' specified with "
- << "'#pragma object pointer' does not name a class "
- << "template" << endl;
-
- throw generation_failed ();
- }
-
- string n (decl_as_string (decl, TFF_PLAIN_IDENTIFIER));
-
- // In case of a boost TR1 implementation, we cannot distinguish
- // between the boost:: and std::tr1:: usage since the latter is
- // just a using-declaration for the former.
- //
- tr1 = tr1
- || n.compare (0, 8, "std::tr1") == 0
- || n.compare (0, 10, "::std::tr1") == 0;
-
- boost = boost
- || n.compare (0, 17, "boost::shared_ptr") == 0
- || n.compare (0, 19, "::boost::shared_ptr") == 0;
- }
- }
-
- // Fully-qualify all the unqualified components of the name.
- //
- try
- {
- lexer.start (ptr);
- ptr.clear ();
-
- string t;
- bool punc (false);
- bool scoped (false);
-
- for (cpp_ttype tt = lexer.next (t);
- tt != CPP_EOF;
- tt = lexer.next (t))
- {
- if (punc && tt > CPP_LAST_PUNCTUATOR)
- ptr += ' ';
-
- punc = false;
-
- switch (static_cast<unsigned> (tt))
- {
- case CPP_LESS:
- {
- ptr += "< ";
- break;
- }
- case CPP_GREATER:
- {
- ptr += " >";
- break;
- }
- case CPP_COMMA:
- {
- ptr += ", ";
- break;
- }
- case CPP_NAME:
- {
- // If the name was not preceeded with '::', look it
- // up in the pragmas's scope and add the qualifer.
- //
- if (!scoped)
- {
- tree decl (resolve_name (t, c.scope (), false));
- tree scope (CP_DECL_CONTEXT (decl));
-
- if (scope != global_namespace)
- {
- ptr += "::";
- ptr += decl_as_string (scope, TFF_PLAIN_IDENTIFIER);
- }
-
- ptr += "::";
- }
-
- ptr += t;
- punc = true;
- break;
- }
- case CPP_KEYWORD:
- case CPP_NUMBER:
- {
- ptr += t;
- punc = true;
- break;
- }
- default:
- {
- ptr += t;
- break;
- }
- }
-
- scoped = (tt == CPP_SCOPE);
- }
- }
- catch (cxx_lexer::invalid_input const&)
- {
- throw generation_failed ();
- }
-
- c.set ("object-pointer", ptr);
- }
- catch (invalid_name const& ex)
- {
- cerr << c.file () << ":" << c.line () << ":" << c.column ()
- << ": error: name '" << ex.name () << "' specified with "
- << "'#pragma object pointer' is invalid" << endl;
-
- throw generation_failed ();
- }
- catch (unable_to_resolve const& ex)
- {
- cerr << c.file () << ":" << c.line () << ":" << c.column ()
- << ": error: unable to resolve name '" << ex.name ()
- << "' specified with '#pragma object pointer'" << endl;
-
- throw generation_failed ();
- }
- }
-
- private:
- struct invalid_name
- {
- invalid_name (string const& n): name_ (n) {}
-
- string const&
- name () const {return name_;}
-
- private:
- string name_;
- };
-
- struct unable_to_resolve
- {
- unable_to_resolve (string const& n): name_ (n) {}
-
- string const&
- name () const {return name_;}
-
- private:
- string name_;
- };
-
- tree
- resolve_name (string const& qn, semantics::scope& ss, bool type)
- {
- tree scope (ss.tree_node ());
-
- // @@ Could use cxx_lexer to parse the name.
- //
- for (size_t b (0), e (qn.find (':')), size (qn.size ());;
- e = qn.find (':', b))
- {
- bool last (e == string::npos);
- string n (qn, b, last ? string::npos : e - b);
-
- if (n.empty ())
- {
- if (b == 0)
- scope = global_namespace;
- else
- throw invalid_name (qn);
- }
- else
- {
- tree nid (get_identifier (n.c_str ()));
- scope = lookup_qualified_name (scope, nid, last && type, false);
-
- // If this is the first component in the name, then also
- // search the outer scopes.
- //
- if (scope == error_mark_node && b == 0 && !ss.global_scope ())
- {
- semantics::scope* s (&ss);
- do
- {
- s = &s->scope_ ();
- scope = lookup_qualified_name (
- s->tree_node (), nid, last && type, false);
- } while (scope == error_mark_node && !s->global_scope ());
- }
-
- if (scope == error_mark_node)
- throw unable_to_resolve (qn);
-
- if (!last && TREE_CODE (scope) == TYPE_DECL)
- scope = TREE_TYPE (scope);
- }
-
- if (e == string::npos)
- break;
-
- if (qn[++e] != ':')
- throw invalid_name (qn);
-
- ++e; // Second ':'.
-
- if (e == size)
- break;
-
- b = e;
- }
-
- return scope;
- }
-
- private:
- cxx_lexer lexer;
-
- data_member member_;
- traversal::names member_names_;
- };
-}
-
-void
-process_types (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;
-
- unit.dispatch (ctx.unit);
-}