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Diffstat (limited to 'odb/type-processor.cxx')
-rw-r--r-- | odb/type-processor.cxx | 1099 |
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); -} |