From 7ae497743c7b042904fe1f6b4153ab3f4763ff2b Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Thu, 10 Mar 2011 08:44:28 +0200 Subject: Split MySQL code generator into common and db-specific parts The common part (in relational/) still has some MySQL-specific parts. Also, add the notion of the current context which is used to avoid explicitly passing the context object to every generator's c-tor. --- odb/mysql/common.cxx | 566 -------- odb/mysql/common.hxx | 270 ---- odb/mysql/context.cxx | 637 --------- odb/mysql/context.hxx | 127 -- odb/mysql/header.cxx | 1031 --------------- odb/mysql/header.hxx | 17 - odb/mysql/inline.cxx | 129 -- odb/mysql/inline.hxx | 17 - odb/mysql/schema.cxx | 11 - odb/mysql/schema.hxx | 325 ----- odb/mysql/source.cxx | 3266 ---------------------------------------------- odb/mysql/source.hxx | 17 - odb/mysql/sql-schema.cxx | 98 -- odb/mysql/sql-schema.hxx | 17 - 14 files changed, 6528 deletions(-) delete mode 100644 odb/mysql/common.cxx delete mode 100644 odb/mysql/common.hxx delete mode 100644 odb/mysql/context.cxx delete mode 100644 odb/mysql/context.hxx delete mode 100644 odb/mysql/header.cxx delete mode 100644 odb/mysql/header.hxx delete mode 100644 odb/mysql/inline.cxx delete mode 100644 odb/mysql/inline.hxx delete mode 100644 odb/mysql/schema.cxx delete mode 100644 odb/mysql/schema.hxx delete mode 100644 odb/mysql/source.cxx delete mode 100644 odb/mysql/source.hxx delete mode 100644 odb/mysql/sql-schema.cxx delete mode 100644 odb/mysql/sql-schema.hxx (limited to 'odb/mysql') diff --git a/odb/mysql/common.cxx b/odb/mysql/common.cxx deleted file mode 100644 index b771990..0000000 --- a/odb/mysql/common.cxx +++ /dev/null @@ -1,566 +0,0 @@ -// file : odb/mysql/common.cxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#include - -#include - -using namespace std; - -namespace mysql -{ - // - // member_base - // - - void member_base:: - traverse (semantics::data_member& m) - { - if (m.count ("transient")) - return; - - string var; - - if (!var_override_.empty ()) - var = var_override_; - else - { - string const& name (m.name ()); - var = name + (name[name.size () - 1] == '_' ? "" : "_"); - } - - semantics::type& t (type_override_ != 0 ? *type_override_ : m.type ()); - - if (comp_value (t)) - { - member_info mi (m, t, var, fq_type_override_); - if (pre (mi)) - { - traverse_composite (mi); - post (mi); - } - } - else if (container (t)) - { - member_info mi (m, t, var, fq_type_override_); - if (pre (mi)) - { - traverse_container (mi); - post (mi); - } - } - else - { - sql_type const& st (db_type (m, key_prefix_)); - - if (semantics::class_* c = object_pointer (t)) - { - member_info mi (m, id_member (*c).type (), var, fq_type_override_); - mi.st = &st; - if (pre (mi)) - { - traverse_object_pointer (mi); - post (mi); - } - } - else - { - member_info mi (m, t, var, fq_type_override_); - mi.st = &st; - if (pre (mi)) - { - traverse_simple (mi); - post (mi); - } - } - } - } - - void member_base:: - traverse_simple (member_info& mi) - { - switch (mi.st->type) - { - // Integral types. - // - case sql_type::TINYINT: - case sql_type::SMALLINT: - case sql_type::MEDIUMINT: - case sql_type::INT: - case sql_type::BIGINT: - { - traverse_integer (mi); - break; - } - - // Float types. - // - case sql_type::FLOAT: - case sql_type::DOUBLE: - { - traverse_float (mi); - break; - } - case sql_type::DECIMAL: - { - traverse_decimal (mi); - break; - } - - // Data-time types. - // - case sql_type::DATE: - case sql_type::TIME: - case sql_type::DATETIME: - case sql_type::TIMESTAMP: - case sql_type::YEAR: - { - traverse_date_time (mi); - break; - } - - // String and binary types. - // - case sql_type::CHAR: - case sql_type::VARCHAR: - case sql_type::TINYTEXT: - case sql_type::TEXT: - case sql_type::MEDIUMTEXT: - case sql_type::LONGTEXT: - { - // For string types the limit is in characters rather - // than in bytes. The fixed-length pre-allocated buffer - // optimization can only be used for 1-byte encodings. - // To support this we will need the character encoding - // in sql_type. - // - traverse_long_string (mi); - break; - } - case sql_type::BINARY: - case sql_type::TINYBLOB: - { - // BINARY's range is always 255 or less from MySQL 5.0.3. - // TINYBLOB can only store up to 255 bytes. - // - traverse_short_string (mi); - break; - } - case sql_type::VARBINARY: - case sql_type::BLOB: - case sql_type::MEDIUMBLOB: - case sql_type::LONGBLOB: - { - if (mi.st->range && mi.st->range_value <= 255) - traverse_short_string (mi); - else - traverse_long_string (mi); - - break; - } - - // Other types. - // - case sql_type::BIT: - { - traverse_bit (mi); - break; - } - case sql_type::ENUM: - { - traverse_enum (mi); - break; - } - case sql_type::SET: - { - traverse_set (mi); - break; - } - case sql_type::invalid: - { - assert (false); - break; - } - } - } - - // - // member_image_type - // - - namespace - { - const char* integer_types[] = - { - "char", - "short", - "int", - "int", - "long long" - }; - - const char* float_types[] = - { - "float", - "double" - }; - } - - member_image_type:: - member_image_type (context& c) - : member_base (c) - { - } - - member_image_type:: - member_image_type (context& c, - semantics::type& type, - string const& fq_type, - string const& key_prefix) - : member_base (c, "", type, fq_type, key_prefix) - { - } - - string member_image_type:: - image_type (semantics::data_member& m) - { - type_.clear (); - member_base::traverse (m); - return type_; - } - - void member_image_type:: - traverse_composite (member_info& mi) - { - type_ = "composite_value_traits< " + mi.fq_type () + " >::image_type"; - } - - void member_image_type:: - traverse_integer (member_info& mi) - { - if (mi.st->unsign) - type_ = "unsigned "; - else if (mi.st->type == sql_type::TINYINT) - type_ = "signed "; - - type_ += integer_types[mi.st->type - sql_type::TINYINT]; - } - - void member_image_type:: - traverse_float (member_info& mi) - { - type_ = float_types[mi.st->type - sql_type::FLOAT]; - } - - void member_image_type:: - traverse_decimal (member_info&) - { - type_ = "details::buffer"; - } - - void member_image_type:: - traverse_date_time (member_info& mi) - { - if (mi.st->type == sql_type::YEAR) - type_ = "short"; - else - type_ = "MYSQL_TIME"; - } - - void member_image_type:: - traverse_string (member_info&) - { - type_ = "details::buffer"; - } - - void member_image_type:: - traverse_bit (member_info&) - { - type_ = "unsigned char*"; - } - - void member_image_type:: - traverse_enum (member_info&) - { - // Represented as string. - // - type_ = "details::buffer"; - } - - void member_image_type:: - traverse_set (member_info&) - { - // Represented as string. - // - type_ = "details::buffer"; - } - - // - // member_database_type - // - - namespace - { - const char* integer_database_id[] = - { - "id_tiny", - "id_utiny", - "id_short", - "id_ushort", - "id_long", // INT24 - "id_ulong", // INT24 UNSIGNED - "id_long", - "id_ulong", - "id_longlong", - "id_ulonglong" - }; - - const char* float_database_id[] = - { - "id_float", - "id_double" - }; - - const char* date_time_database_id[] = - { - "id_date", - "id_time", - "id_datetime", - "id_timestamp", - "id_year" - }; - - const char* char_bin_database_id[] = - { - "id_string", // CHAR - "id_blob", // BINARY, - "id_string", // VARCHAR - "id_blob", // VARBINARY - "id_string", // TINYTEXT - "id_blob", // TINYBLOB - "id_string", // TEXT - "id_blob", // BLOB - "id_string", // MEDIUMTEXT - "id_blob", // MEDIUMBLOB - "id_string", // LONGTEXT - "id_blob" // LONGBLOB - }; - } - - member_database_type:: - member_database_type (context& c) - : member_base (c) - { - } - - member_database_type:: - member_database_type (context& c, - semantics::type& type, - string const& fq_type, - string const& key_prefix) - : member_base (c, "", type, fq_type, key_prefix) - { - } - - string member_database_type:: - database_type (type& m) - { - type_.clear (); - member_base::traverse (m); - return type_; - } - - void member_database_type:: - traverse_composite (member_info&) - { - assert (false); - } - - void member_database_type:: - traverse_integer (member_info& mi) - { - size_t i ((mi.st->type - sql_type::TINYINT) * 2 + (mi.st->unsign ? 1 : 0)); - type_ = string ("mysql::") + integer_database_id[i]; - } - - void member_database_type:: - traverse_float (member_info& mi) - { - type_ = string ("mysql::") + - float_database_id[mi.st->type - sql_type::FLOAT]; - } - - void member_database_type:: - traverse_decimal (member_info&) - { - type_ = "mysql::id_decimal"; - } - - void member_database_type:: - traverse_date_time (member_info& mi) - { - type_ = string ("mysql::") + - date_time_database_id[mi.st->type - sql_type::DATE]; - } - - void member_database_type:: - traverse_string (member_info& mi) - { - type_ = string ("mysql::") + - char_bin_database_id[mi.st->type - sql_type::CHAR]; - } - - void member_database_type:: - traverse_bit (member_info&) - { - type_ = "mysql::id_bit"; - } - - void member_database_type:: - traverse_enum (member_info&) - { - type_ = "mysql::id_enum"; - } - - void member_database_type:: - traverse_set (member_info&) - { - type_ = "mysql::id_set"; - } - - // - // query_columns - // - - query_columns:: - query_columns (context& c) - : object_columns_base (c), - context (c), - ptr_ (true), - decl_ (true), - member_image_type_ (c), - member_database_type_ (c) - { - } - - query_columns:: - query_columns (context& c, semantics::class_& cl) - : object_columns_base (c), - context (c), - ptr_ (true), - decl_ (false), - member_image_type_ (c), - member_database_type_ (c) - { - scope_ = "access::object_traits< " + cl.fq_name () + " >::query_type"; - table_ = table_name (cl); - } - - void query_columns:: - composite (semantics::data_member& m, semantics::class_& c) - { - string name (public_name (m)); - - if (decl_) - { - os << "// " << name << endl - << "//" << endl - << "struct " << name - << "{"; - - object_columns_base::composite (m, c); - - os << "};"; - } - else - { - string old_scope (scope_); - scope_ += "::" + name; - - object_columns_base::composite (m, c); - - scope_ = old_scope; - } - } - - bool query_columns:: - column (semantics::data_member& m, string const& col_name, bool) - { - string name (public_name (m)); - - if (semantics::class_* c = object_pointer (m.type ())) - { - // We cannot just typedef the query_type from the referenced - // object for two reasons: (1) it may not be defined yet and - // (2) it will contain columns for its own pointers which - // won't work (for now we only support one level of indirection - // in queries). So we will have to duplicate the columns (sans - // the pointers). - // - if (ptr_) - { - ptr_ = false; - - if (decl_) - { - os << "// " << name << endl - << "//" << endl - << "struct " << name - << "{"; - - traverse (*c); - - os << "};"; - } - else - { - string old_scope (scope_), old_table (table_); - scope_ += "::" + name; - table_ = table_name (*c); - traverse (*c); - table_ = old_table; - scope_ = old_scope; - } - - ptr_ = true; - } - } - else - { - string db_type (member_database_type_.database_type (m)); - - string type ( - "mysql::value_traits< " - + m.type ().fq_name (m.belongs ().hint ()) + ", " - + member_image_type_.image_type (m) + ", " - + db_type - + " >::query_type"); - - if (decl_) - { - os << "// " << name << endl - << "//" << endl - << "static const mysql::query_column<" << endl - << " " << type << "," << endl - << " " << db_type << ">" << endl - << name << ";" - << endl; - } - else - { - string column ("\"`" + table_ + "`.`" + col_name + "`\""); - - os << "const mysql::query_column<" << endl - << " " << type << "," << endl - << " " << db_type << ">" << endl - << scope_ << "::" << name << " (" << endl - << column << ");" - << endl; - } - } - - return true; - } -} diff --git a/odb/mysql/common.hxx b/odb/mysql/common.hxx deleted file mode 100644 index df01e5f..0000000 --- a/odb/mysql/common.hxx +++ /dev/null @@ -1,270 +0,0 @@ -// file : odb/mysql/common.hxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#ifndef ODB_MYSQL_COMMON_HXX -#define ODB_MYSQL_COMMON_HXX - -#include -#include - -namespace mysql -{ - struct member_base: traversal::data_member, context - { - member_base (context& c, string const& var = string ()) - : context (c), var_override_ (var), type_override_ (0) - { - } - - member_base (context& c, - string const& var, - semantics::type& type, - string const& fq_type, - string const& key_prefix) - : context (c), - var_override_ (var), - type_override_ (&type), - fq_type_override_ (fq_type), - key_prefix_ (key_prefix) - { - } - - virtual void - traverse (semantics::data_member& m); - - struct member_info - { - semantics::data_member& m; // Member. - semantics::type& t; // Member C++ type (m.type () may != t). - sql_type const* st; // Member SQL type (only simple value types). - string& var; // Member variable name with trailing '_'. - - // C++ type fq-name. - // - string - fq_type () const - { - // Use the original type from 'm' instead of 't' since the hint - // may be invalid for a different type. Plus, if a type is - // overriden, then the fq_type must be as well. - // - return fq_type_.empty () - ? m.type ().fq_name (m.belongs ().hint ()) - : fq_type_; - } - - string const& fq_type_; - - member_info (semantics::data_member& m_, - semantics::type& t_, - string& var_, - string const& fq_type) - : m (m_), t (t_), st (0), var (var_), fq_type_ (fq_type) - { - } - }; - - // The false return value indicates that no further callbacks - // should be called for this member. - // - virtual bool - pre (member_info&) - { - return true; - } - - virtual void - post (member_info&) - { - } - - virtual void - traverse_composite (member_info&) - { - } - - virtual void - traverse_container (member_info&) - { - } - - virtual void - traverse_object_pointer (member_info& mi) - { - traverse_simple (mi); - } - - virtual void - traverse_simple (member_info&); - - virtual void - traverse_integer (member_info&) - { - } - - virtual void - traverse_float (member_info&) - { - } - - virtual void - traverse_decimal (member_info&) - { - } - - virtual void - traverse_date_time (member_info&) - { - } - - virtual void - traverse_string (member_info&) - { - } - - virtual void - traverse_short_string (member_info& mi) - { - traverse_string (mi); - } - - virtual void - traverse_long_string (member_info& mi) - { - traverse_string (mi); - } - - virtual void - traverse_bit (member_info&) - { - } - - virtual void - traverse_enum (member_info&) - { - } - - virtual void - traverse_set (member_info&) - { - } - - protected: - string var_override_; - semantics::type* type_override_; - string fq_type_override_; - string key_prefix_; - }; - - struct member_image_type: member_base - { - member_image_type (context&); - - member_image_type (context& c, - semantics::type& type, - string const& fq_type, - string const& key_prefix); - - string - image_type (semantics::data_member&); - - virtual void - traverse_composite (member_info&); - - virtual void - traverse_integer (member_info&); - - virtual void - traverse_float (member_info&); - - virtual void - traverse_decimal (member_info&); - - virtual void - traverse_date_time (member_info&); - - virtual void - traverse_string (member_info&); - - virtual void - traverse_bit (member_info&); - - virtual void - traverse_enum (member_info&); - - virtual void - traverse_set (member_info&); - - private: - string type_; - }; - - struct member_database_type: member_base - { - member_database_type (context&); - - member_database_type (context& c, - semantics::type& type, - string const& fq_type, - string const& key_prefix); - - string - database_type (type&); - - virtual void - traverse_composite (member_info&); - - virtual void - traverse_integer (member_info&); - - virtual void - traverse_float (member_info&); - - virtual void - traverse_decimal (member_info&); - - virtual void - traverse_date_time (member_info&); - - virtual void - traverse_string (member_info&); - - virtual void - traverse_bit (member_info&); - - virtual void - traverse_enum (member_info&); - - virtual void - traverse_set (member_info&); - - private: - string type_; - }; - - struct query_columns: object_columns_base, context - { - query_columns (context&); - query_columns (context&, semantics::class_&); - - virtual void - composite (semantics::data_member&, semantics::class_&); - - virtual bool - column (semantics::data_member&, string const&, bool); - - private: - bool ptr_; - bool decl_; - - string scope_; - string table_; - - member_image_type member_image_type_; - member_database_type member_database_type_; - }; -} - -#endif // ODB_MYSQL_COMMON_HXX diff --git a/odb/mysql/context.cxx b/odb/mysql/context.cxx deleted file mode 100644 index b7d6540..0000000 --- a/odb/mysql/context.cxx +++ /dev/null @@ -1,637 +0,0 @@ -// file : odb/mysql/context.cxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#include - -#include -#include - -#include -#include - -using namespace std; - -namespace mysql -{ - namespace - { - struct type_map_entry - { - const char* const cxx_type; - const char* const db_type; - const char* const db_id_type; - }; - - type_map_entry type_map[] = - { - {"bool", "TINYINT(1)", 0}, - - {"char", "TINYINT", 0}, - {"signed char", "TINYINT", 0}, - {"unsigned char", "TINYINT UNSIGNED", 0}, - - {"short int", "SMALLINT", 0}, - {"short unsigned int", "SMALLINT UNSIGNED", 0}, - - {"int", "INT", 0}, - {"unsigned int", "INT UNSIGNED", 0}, - - {"long int", "BIGINT", 0}, - {"long unsigned int", "BIGINT UNSIGNED", 0}, - - {"long long int", "BIGINT", 0}, - {"long long unsigned int", "BIGINT UNSIGNED", 0}, - - {"float", "FLOAT", 0}, - {"double", "DOUBLE", 0}, - - {"::std::string", "TEXT", "VARCHAR (255)"} - }; - } - - context:: - context (ostream& os, semantics::unit& u, options_type const& ops) - : base_context (os, u, ops, data_ptr (new (shared) data)), - data_ (static_cast (base_context::data_.get ())) - { - // Populate the C++ type to DB type map. - // - for (size_t i (0); i < sizeof (type_map) / sizeof (type_map_entry); ++i) - { - type_map_entry const& e (type_map[i]); - - type_map_type::value_type v ( - e.cxx_type, - db_type_type (e.db_type, e.db_id_type ? e.db_id_type : e.db_type)); - - data_->type_map_.insert (v); - } - } - - context:: - context (context& c) - : base_context (c), - data_ (c.data_) - { - } - - context:: - context (context& c, ostream& os) - : base_context (c, os), - data_ (c.data_) - { - } - - namespace - { - struct has_grow: traversal::class_ - { - has_grow (bool& r) - : r_ (r) - { - *this >> inherits_ >> *this; - } - - virtual void - traverse (type& c) - { - // Ignore transient bases. - // - if (!(c.count ("object") || context::comp_value (c))) - return; - - if (c.count ("mysql::grow")) - r_ = c.get ("mysql::grow"); - else - { - // r_ should be false. - // - inherits (c); - - if (!r_) - names (c); - - c.set ("mysql::grow", r_); - } - } - - private: - bool& r_; - traversal::inherits inherits_; - }; - - struct has_grow_member: member_base - { - has_grow_member (context& c, bool& r) - : member_base (c), r_ (r) - { - } - - has_grow_member (context& c, - bool& r, - semantics::type& type, - string const& key_prefix) - : member_base (c, "", type, "", key_prefix), r_ (r) - { - } - - virtual void - traverse_composite (member_info& mi) - { - // By calling grow() instead of recursing, we reset any overrides. - // - r_ = r_ || context::grow (dynamic_cast (mi.t)); - } - - virtual void - traverse_decimal (member_info&) - { - r_ = true; - } - - virtual void - traverse_long_string (member_info&) - { - r_ = true; - } - - virtual void - traverse_short_string (member_info&) - { - r_ = true; // @@ Short string optimization disabled. - } - - virtual void - traverse_enum (member_info&) - { - r_ = true; - } - - virtual void - traverse_set (member_info&) - { - r_ = true; - } - - private: - bool& r_; - }; - } - - bool context:: - grow (semantics::class_& c) - { - if (c.count ("mysql::grow")) - return c.get ("mysql::grow"); - - bool r (false); - has_grow ct (r); - has_grow_member mt (*this, r); - traversal::names names; - ct >> names >> mt; - ct.traverse (c); - return r; - } - - bool context:: - grow (semantics::data_member& m) - { - bool r (false); - has_grow_member mt (*this, r); - mt.traverse (m); - return r; - } - - bool context:: - grow (semantics::data_member& m, semantics::type& t, string const& kp) - { - bool r (false); - has_grow_member mt (*this, r, t, kp); - mt.traverse (m); - return r; - } - - // - // SQL type parsing. - // - - string context::data:: - column_type_impl (semantics::type& t, - string const& type, - semantics::context& ctx, - column_type_flags f) const - { - string r (::context::data::column_type_impl (t, type, ctx, f)); - - if (!r.empty () && ctx.count ("auto") && (f & ctf_object_id_ref) == 0) - r += " AUTO_INCREMENT"; - - return r; - } - - static sql_type - parse_sql_type (semantics::data_member& m, std::string const& sql); - - sql_type const& context:: - db_type (semantics::data_member& m, string const& kp) - { - string key (kp.empty () ? string ("db-type") : kp + "-db-type"); - - if (!m.count (key)) - m.set (key, parse_sql_type (m, column_type (m, kp))); - - return m.get (key); - } - - static sql_type - parse_sql_type (semantics::data_member& m, string const& sql) - { - try - { - sql_type r; - sql_lexer l (sql); - - // While most type names use single identifier, there are - // a couple of exceptions to this rule: - // - // NATIONAL CHAR|VARCHAR - // CHAR BYTE (BINARY) - // CHARACTER VARYING (VARCHAR) - // LONG VARBINARY (MEDIUMBLOB) - // LONG VARCHAR (MEDIUMTEXT) - // - // - enum state - { - parse_prefix, - parse_name, - parse_range, - parse_sign, - parse_done - }; - - state s (parse_prefix); - string prefix; - - for (sql_token t (l.next ()); - s != parse_done && t.type () != sql_token::t_eos; - t = l.next ()) - { - sql_token::token_type tt (t.type ()); - - switch (s) - { - case parse_prefix: - { - if (tt == sql_token::t_identifier) - { - string const& id (context::upcase (t.identifier ())); - - if (id == "NATIONAL" || - id == "CHAR" || - id == "CHARACTER" || - id == "LONG") - { - prefix = id; - s = parse_name; - continue; - } - } - - // Fall through. - // - s = parse_name; - } - case parse_name: - { - if (tt == sql_token::t_identifier) - { - bool match (true); - string const& id (context::upcase (t.identifier ())); - - // Numeric types. - // - if (id == "BIT") - { - r.type = sql_type::BIT; - } - else if (id == "TINYINT" || id == "INT1") - { - r.type = sql_type::TINYINT; - } - else if (id == "BOOL" || id == "BOOLEAN") - { - r.type = sql_type::TINYINT; - r.range = true; - r.range_value = 1; - } - else if (id == "SMALLINT" || id == "INT2") - { - r.type = sql_type::SMALLINT; - } - else if (id == "MEDIUMINT" || id == "INT3" || id == "MIDDLEINT") - { - r.type = sql_type::MEDIUMINT; - } - else if (id == "INT" || id == "INTEGER" || id == "INT4") - { - r.type = sql_type::INT; - } - else if (id == "BIGINT" || id == "INT8") - { - r.type = sql_type::BIGINT; - } - else if (id == "SERIAL") - { - r.type = sql_type::BIGINT; - r.unsign = true; - } - else if (id == "FLOAT" || id == "FLOAT4") - { - r.type = sql_type::FLOAT; - } - else if (id == "DOUBLE" || id == "FLOAT8") - { - r.type = sql_type::DOUBLE; - } - else if (id == "DECIMAL" || - id == "DEC" || - id == "NUMERIC" || - id == "FIXED") - { - r.type = sql_type::DECIMAL; - } - // - // Date-time types. - // - else if (id == "DATE") - { - r.type = sql_type::DATE; - } - else if (id == "TIME") - { - r.type = sql_type::TIME; - } - else if (id == "DATETIME") - { - r.type = sql_type::DATETIME; - } - else if (id == "TIMESTAMP") - { - r.type = sql_type::TIMESTAMP; - } - else if (id == "YEAR") - { - r.type = sql_type::YEAR; - } - // - // String and binary types. - // - else if (id == "NCHAR") - { - r.type = sql_type::CHAR; - } - else if (id == "VARCHAR") - { - r.type = prefix == "LONG" - ? sql_type::MEDIUMTEXT - : sql_type::VARCHAR; - } - else if (id == "NVARCHAR") - { - r.type = sql_type::VARCHAR; - } - else if (id == "VARYING" && prefix == "CHARACTER") - { - r.type = sql_type::VARCHAR; - } - else if (id == "BINARY") - { - r.type = sql_type::BINARY; - } - else if (id == "BYTE" && prefix == "CHAR") - { - r.type = sql_type::BINARY; - } - else if (id == "VARBINARY") - { - r.type = prefix == "LONG" - ? sql_type::MEDIUMBLOB - : sql_type::VARBINARY; - } - else if (id == "TINYBLOB") - { - r.type = sql_type::TINYBLOB; - } - else if (id == "TINYTEXT") - { - r.type = sql_type::TINYTEXT; - } - else if (id == "BLOB") - { - r.type = sql_type::BLOB; - } - else if (id == "TEXT") - { - r.type = sql_type::TEXT; - } - else if (id == "MEDIUMBLOB") - { - r.type = sql_type::MEDIUMBLOB; - } - else if (id == "MEDIUMTEXT") - { - r.type = sql_type::MEDIUMTEXT; - } - else if (id == "LONGBLOB") - { - r.type = sql_type::LONGBLOB; - } - else if (id == "LONGTEXT") - { - r.type = sql_type::LONGTEXT; - } - else if (id == "ENUM") - { - r.type = sql_type::ENUM; - } - else if (id == "SET") - { - r.type = sql_type::SET; - } - else - match = false; - - if (match) - { - s = parse_range; - continue; - } - } - - // Some prefixes can also be type names if not followed - // by the actual type name. - // - if (!prefix.empty ()) - { - if (prefix == "CHAR" || prefix == "CHARACTER") - { - r.type = sql_type::CHAR; - } - else if (prefix == "LONG") - { - r.type = sql_type::MEDIUMTEXT; - } - } - - if (r.type == sql_type::invalid) - { - cerr << m.file () << ":" << m.line () << ":" << - m.column () << ":"; - - if (tt == sql_token::t_identifier) - cerr << " error: unknown MySQL type '" << - t.identifier () << "'" << endl; - else - cerr << " error: expected MySQL type name" << endl; - - throw generation_failed (); - } - - // Fall through. - // - s = parse_range; - } - case parse_range: - { - if (t.punctuation () == sql_token::p_lparen) - { - t = l.next (); - - // ENUM and SET have a list of members instead of the range. - // - if (r.type == sql_type::ENUM || r.type == sql_type::SET) - { - // Skip tokens until we get the closing paren. - // - while (t.type () != sql_token::t_eos && - t.punctuation () != sql_token::p_rparen) - t = l.next (); - } - else - { - if (t.type () != sql_token::t_int_lit) - { - cerr << m.file () << ":" << m.line () << ":" << m.column () - << ": error: integer range expected in MySQL type " - << "declaration" << endl; - - throw generation_failed (); - } - - unsigned int v; - istringstream is (t.literal ()); - - if (!(is >> v && is.eof ())) - { - cerr << m.file () << ":" << m.line () << ":" << m.column () - << ": error: invalid range value '" << t.literal () - << "'in MySQL type declaration" << endl; - - throw generation_failed (); - } - - r.range = true; - r.range_value = v; - - t = l.next (); - - if (t.punctuation () == sql_token::p_comma) - { - // We have the second range value. Skip it. - // - l.next (); - t = l.next (); - } - } - - if (t.punctuation () != sql_token::p_rparen) - { - cerr << m.file () << ":" << m.line () << ":" << m.column () - << ": error: expected ')' in MySQL type declaration" - << endl; - - throw generation_failed (); - } - - s = parse_sign; - continue; - } - - // Fall through. - // - s = parse_sign; - } - case parse_sign: - { - if (tt == sql_token::t_identifier && - context::upcase (t.identifier ()) == "UNSIGNED") - { - r.unsign = true; - } - - s = parse_done; - break; - } - case parse_done: - { - assert (false); - break; - } - } - } - - if (s == parse_name && !prefix.empty ()) - { - // Some prefixes can also be type names if not followed - // by the actual type name. - // - if (prefix == "CHAR" || prefix == "CHARACTER") - { - r.type = sql_type::CHAR; - } - else if (prefix == "LONG") - { - r.type = sql_type::MEDIUMTEXT; - } - } - - if (r.type == sql_type::invalid) - { - cerr << m.file () << ":" << m.line () << ":" << m.column () - << ": error: incomplete MySQL type declaration" << endl; - - throw generation_failed (); - } - - // If range is omitted for CHAR or BIT types, it defaults to 1. - // - if ((r.type == sql_type::CHAR || r.type == sql_type::BIT) && !r.range) - { - r.range = true; - r.range_value = 1; - } - - return r; - } - catch (sql_lexer::invalid_input const& e) - { - cerr << m.file () << ":" << m.line () << ":" << m.column () - << ": error: invalid MySQL type declaration: " << e.message << endl; - - throw generation_failed (); - } - } -} diff --git a/odb/mysql/context.hxx b/odb/mysql/context.hxx deleted file mode 100644 index 05b6639..0000000 --- a/odb/mysql/context.hxx +++ /dev/null @@ -1,127 +0,0 @@ -// file : odb/mysql/context.hxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#ifndef ODB_MYSQL_CONTEXT_HXX -#define ODB_MYSQL_CONTEXT_HXX - -#include - -#include - -namespace mysql -{ - struct sql_type - { - // Keep the order in each block of types. - // - enum core_type - { - // Integral types. - // - TINYINT, - SMALLINT, - MEDIUMINT, - INT, - BIGINT, - - // Float types. - // - FLOAT, - DOUBLE, - DECIMAL, - - // Data-time types. - // - DATE, - TIME, - DATETIME, - TIMESTAMP, - YEAR, - - // String and binary types. - // - CHAR, - BINARY, - VARCHAR, - VARBINARY, - TINYTEXT, - TINYBLOB, - TEXT, - BLOB, - MEDIUMTEXT, - MEDIUMBLOB, - LONGTEXT, - LONGBLOB, - - // Other types. - // - BIT, - ENUM, - SET, - - // Invalid type. - // - invalid - }; - - sql_type () : type (invalid), unsign (false), range (false) {} - - core_type type; - bool unsign; - bool range; - unsigned int range_value; // MySQL max value is 2^32 - 1 (LONGBLOG/TEXT). - }; - - class context: public ::context - { - // Predicates. - // - public: - - // Return true if an object or value type has members for which - // the image can grow. - // - bool - grow (semantics::class_&); - - // The same for a member's value type. - // - bool - grow (semantics::data_member&); - - bool - grow (semantics::data_member&, semantics::type&, string const& key_prefix); - - // - // - public: - sql_type const& - db_type (semantics::data_member&, string const& key_prefix = string ()); - - private: - typedef ::context base_context; - - struct data: base_context::data - { - virtual string - column_type_impl (semantics::type&, - string const& type, - semantics::context&, - column_type_flags) const; - }; - - private: - data* data_; - - public: - - public: - context (std::ostream&, semantics::unit&, options_type const&); - context (context&); - context (context&, std::ostream&); - }; -} - -#endif // ODB_MYSQL_CONTEXT_HXX diff --git a/odb/mysql/header.cxx b/odb/mysql/header.cxx deleted file mode 100644 index 59793b0..0000000 --- a/odb/mysql/header.cxx +++ /dev/null @@ -1,1031 +0,0 @@ -// file : odb/mysql/header.cxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#include - -#include -#include - -namespace mysql -{ - namespace - { - struct image_member: member_base - { - image_member (context& c, string const& var = string ()) - : member_base (c, var), member_image_type_ (c) - { - } - - image_member (context& c, - string const& var, - semantics::type& t, - string const& fq_type, - string const& key_prefix) - : member_base (c, var, t, fq_type, key_prefix), - member_image_type_ (c, t, fq_type, key_prefix) - { - } - - virtual bool - pre (member_info& mi) - { - if (container (mi.t)) - return false; - - image_type = member_image_type_.image_type (mi.m); - - if (var_override_.empty ()) - os << "// " << mi.m.name () << endl - << "//" << endl; - - return true; - } - - virtual void - traverse_composite (member_info& mi) - { - os << image_type << " " << mi.var << "value;" - << endl; - } - - virtual void - traverse_integer (member_info& mi) - { - os << image_type << " " << mi.var << "value;" - << "my_bool " << mi.var << "null;" - << endl; - } - - virtual void - traverse_float (member_info& mi) - { - os << image_type << " " << mi.var << "value;" - << "my_bool " << mi.var << "null;" - << endl; - } - - virtual void - traverse_decimal (member_info& mi) - { - // Exchanged as strings. Can have up to 65 digits not counting - // '-' and '.'. If range is not specified, the default is 10. - // - - /* - @@ Disabled. - os << "char " << mi.var << "value[" << - (t.range ? t.range_value : 10) + 3 << "];" - */ - - os << image_type << " " << mi.var << "value;" - << "unsigned long " << mi.var << "size;" - << "my_bool " << mi.var << "null;" - << endl; - } - - virtual void - traverse_date_time (member_info& mi) - { - os << image_type << " " << mi.var << "value;" - << "my_bool " << mi.var << "null;" - << endl; - - } - - virtual void - traverse_short_string (member_info& mi) - { - // If range is not specified, the default buffer size is 255. - // - /* - @@ Disabled. - os << "char " << mi.var << "value[" << - (t.range ? t.range_value : 255) + 1 << "];" - */ - - os << image_type << " " << mi.var << "value;" - << "unsigned long " << mi.var << "size;" - << "my_bool " << mi.var << "null;" - << endl; - } - - virtual void - traverse_long_string (member_info& mi) - { - os << image_type << " " << mi.var << "value;" - << "unsigned long " << mi.var << "size;" - << "my_bool " << mi.var << "null;" - << endl; - } - - virtual void - traverse_bit (member_info& mi) - { - // Valid range is 1 to 64. - // - unsigned int n (mi.st->range / 8 + (mi.st->range % 8 ? 1 : 0)); - - os << "unsigned char " << mi.var << "value[" << n << "];" - << "unsigned long " << mi.var << "size;" - << "my_bool " << mi.var << "null;" - << endl; - } - - virtual void - traverse_enum (member_info& mi) - { - // Represented as string. - // - os << image_type << " " << mi.var << "value;" - << "unsigned long " << mi.var << "size;" - << "my_bool " << mi.var << "null;" - << endl; - } - - virtual void - traverse_set (member_info& mi) - { - // Represented as string. - // - os << image_type << " " << mi.var << "value;" - << "unsigned long " << mi.var << "size;" - << "my_bool " << mi.var << "null;" - << endl; - } - - private: - string image_type; - - member_image_type member_image_type_; - }; - - struct image_base: traversal::class_, context - { - image_base (context& c): context (c), first_ (true) {} - - virtual void - traverse (type& c) - { - // Ignore transient bases. - // - if (!(c.count ("object") || comp_value (c))) - return; - - if (first_) - { - os << ": "; - first_ = false; - } - else - { - os << "," << endl - << " "; - } - - os << "composite_value_traits< " << c.fq_name () << " >::image_type"; - } - - private: - bool first_; - }; - - struct image_type: traversal::class_, context - { - image_type (context& c) - : context (c), member_ (c) - { - *this >> names_member_ >> member_; - } - - virtual void - traverse (type& c) - { - os << "struct image_type"; - - { - image_base b (*this); - traversal::inherits i (b); - inherits (c, i); - } - - os << "{"; - - names (c); - - if (!comp_value (c)) - os << "std::size_t version;"; - - os << "};"; - } - - private: - image_member member_; - traversal::names names_member_; - }; - - // Member-specific traits types for container members. - // - struct container_traits: object_members_base, context - { - container_traits (context& c, semantics::class_& obj) - : object_members_base (c, true, false), context (c) - { - scope_ = "object_traits< " + obj.fq_name () + " >"; - } - - virtual void - container (semantics::data_member& m) - { - using semantics::type; - using semantics::class_; - - type& t (m.type ()); - container_kind_type ck (container_kind (t)); - - type& vt (container_vt (t)); - type* it (0); - type* kt (0); - - bool ordered (false); - bool inverse (context::inverse (m, "value")); - - switch (ck) - { - case ck_ordered: - { - if (!unordered (m)) - { - it = &container_it (t); - ordered = true; - } - break; - } - case ck_map: - case ck_multimap: - { - kt = &container_kt (t); - break; - } - case ck_set: - case ck_multiset: - { - break; - } - } - - string name (prefix_ + public_name (m) + "_traits"); - - // Figure out column counts. - // - size_t data_columns (1), cond_columns (1); // One for object id. - - switch (ck) - { - case ck_ordered: - { - // Add one for the index. - // - if (ordered) - { - data_columns++; - cond_columns++; - } - break; - } - case ck_map: - case ck_multimap: - { - // Add some for the key. - // - size_t n; - - if (class_* kc = comp_value (*kt)) - n = in_column_count (*kc); - else - n = 1; - - data_columns += n; - cond_columns += n; - break; - } - case ck_set: - case ck_multiset: - { - // Value is also a key. - // - if (class_* vc = comp_value (vt)) - cond_columns += in_column_count (*vc); - else - cond_columns++; - - break; - } - } - - if (class_* vc = comp_value (vt)) - data_columns += in_column_count (*vc); - else - data_columns++; - - // Store column counts for the source generator. - // - m.set ("cond-column-count", cond_columns); - m.set ("data-column-count", data_columns); - - os << "// " << m.name () << endl - << "//" << endl - << "struct " << name - << "{"; - - // container_type - // container_traits - // index_type - // key_type - // value_type - // - - os << "typedef " << t.fq_name (m.belongs ().hint ()) << - " container_type;"; - os << "typedef odb::access::container_traits< container_type > " << - "container_traits;"; - - switch (ck) - { - case ck_ordered: - { - os << "typedef container_traits::index_type index_type;"; - break; - } - case ck_map: - case ck_multimap: - { - os << "typedef container_traits::key_type key_type;"; - } - case ck_set: - case ck_multiset: - { - break; - } - } - - os << "typedef container_traits::value_type value_type;" - << endl; - - // functions_type - // - switch (ck) - { - case ck_ordered: - { - os << "typedef ordered_functions " << - "functions_type;"; - break; - } - case ck_map: - case ck_multimap: - { - os << "typedef map_functions " << - "functions_type;"; - break; - } - case ck_set: - case ck_multiset: - { - os << "typedef set_functions functions_type;"; - break; - } - } - - os << "typedef mysql::container_statements< " << name << - " > statements_type;" - << endl; - - // column_count - // - os << "static const std::size_t cond_column_count = " << - cond_columns << "UL;" - << "static const std::size_t data_column_count = " << - data_columns << "UL;" - << endl; - - // id_image_type - // - os << "typedef " << scope_ << "::id_image_type id_image_type;" - << endl; - - // cond_image_type (object id is taken from the object image) - // - os << "struct cond_image_type" - << "{"; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - { - os << "// index" << endl - << "//" << endl; - image_member im (*this, "index_", *it, "index_type", "index"); - im.traverse (m); - } - break; - } - case ck_map: - case ck_multimap: - { - os << "// key" << endl - << "//" << endl; - image_member im (*this, "key_", *kt, "key_type", "key"); - im.traverse (m); - break; - } - case ck_set: - case ck_multiset: - { - os << "// value" << endl - << "//" << endl; - image_member im (*this, "value_", vt, "value_type", "value"); - im.traverse (m); - break; - } - } - - os << "std::size_t version;" - << "};"; - - // data_image_type (object id is taken from the object image) - // - os << "struct data_image_type" - << "{"; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - { - os << "// index" << endl - << "//" << endl; - image_member im (*this, "index_", *it, "index_type", "index"); - im.traverse (m); - } - break; - } - case ck_map: - case ck_multimap: - { - os << "// key" << endl - << "//" << endl; - image_member im (*this, "key_", *kt, "key_type", "key"); - im.traverse (m); - break; - } - case ck_set: - case ck_multiset: - { - break; - } - } - - os << "// value" << endl - << "//" << endl; - image_member im (*this, "value_", vt, "value_type", "value"); - im.traverse (m); - - os << "std::size_t version;" - << "};"; - - // Statements. - // - os << "static const char* const insert_one_statement;" - << "static const char* const select_all_statement;" - << "static const char* const delete_all_statement;" - << endl; - - // bind (cond_image) - // - os << "static void" << endl - << "bind (MYSQL_BIND*, id_image_type*, cond_image_type&);" - << endl; - - // bind (data_image) - // - os << "static void" << endl - << "bind (MYSQL_BIND*, id_image_type*, data_image_type&);" - << endl; - - // grow() - // - os << "static void" << endl - << "grow (data_image_type&, my_bool*);" - << endl; - - // init (data_image) - // - if (!inverse) - { - os << "static void" << endl; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - os << "init (data_image_type&, index_type, const value_type&);"; - else - os << "init (data_image_type&, const value_type&);"; - break; - } - case ck_map: - case ck_multimap: - { - os << "init (data_image_type&, const key_type&, const value_type&);"; - break; - } - case ck_set: - case ck_multiset: - { - os << "init (data_image_type&, const value_type&);"; - break; - } - } - - os << endl; - } - - // init (data) - // - os << "static void" << endl; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - os << "init (index_type&, value_type&, "; - else - os << "init (value_type&, "; - break; - } - case ck_map: - case ck_multimap: - { - os << "init (key_type&, value_type&, "; - break; - } - case ck_set: - case ck_multiset: - { - os << "init (value_type&, "; - break; - } - } - - os << "const data_image_type&, database&);" - << endl; - - // insert_one - // - os << "static void" << endl; - - switch (ck) - { - case ck_ordered: - { - os << "insert_one (index_type, const value_type&, void*);"; - break; - } - case ck_map: - case ck_multimap: - { - os << "insert_one (const key_type&, const value_type&, void*);"; - break; - } - case ck_set: - case ck_multiset: - { - os << "insert_one (const value_type&, void*);"; - break; - } - } - - os << endl; - - // load_all - // - os << "static bool" << endl; - - switch (ck) - { - case ck_ordered: - { - os << "load_all (index_type&, value_type&, void*);"; - break; - } - case ck_map: - case ck_multimap: - { - os << "load_all (key_type&, value_type&, void*);"; - break; - } - case ck_set: - case ck_multiset: - { - os << "load_all (value_type&, void*);"; - break; - } - } - - os << endl; - - // delete_all - // - os << "static void" << endl - << "delete_all (void*);" - << endl; - - // persist - // - if (!inverse) - os << "static void" << endl - << "persist (const container_type&," << endl - << "id_image_type&," << endl - << "statements_type&);" - << endl; - - // load - // - os << "static void" << endl - << "load (container_type&," << endl - << "id_image_type&," << endl - << "statements_type&);" - << endl; - - // update - // - if (!inverse) - os << "static void" << endl - << "update (const container_type&," << endl - << "id_image_type&," << endl - << "statements_type&);" - << endl; - - // erase - // - if (!inverse) - os << "static void" << endl - << "erase (id_image_type&, statements_type&);" - << endl; - - os << "};"; - } - - private: - string scope_; - }; - - // - // - struct class_: traversal::class_, context - { - class_ (context& c) - : context (c), image_type_ (c), id_image_member_ (c, "id_") - { - } - - virtual void - traverse (type& c) - { - if (c.file () != unit.file ()) - return; - - if (c.count ("object")) - traverse_object (c); - else if (comp_value (c)) - traverse_value (c); - } - - virtual void - traverse_object (type& c) - { - string const& type (c.fq_name ()); - bool def_ctor (TYPE_HAS_DEFAULT_CONSTRUCTOR (c.tree_node ())); - - semantics::data_member& id (id_member (c)); - bool auto_id (id.count ("auto")); - - os << "// " << c.name () << endl - << "//" << endl; - - os << "template <>" << endl - << "class access::object_traits< " << type << " >" - << "{" - << "public:" << endl; - - // object_type & pointer_type - // - os << "typedef " << type << " object_type;" - << "typedef " << c.get ("object-pointer") << " pointer_type;"; - - // id_type - // - os << "typedef " << id.type ().fq_name (id.belongs ().hint ()) << - " id_type;" - << endl; - - // image_type - // - image_type_.traverse (c); - - // id_image_type - // - os << "struct id_image_type" - << "{"; - - id_image_member_.traverse (id); - - os << "std::size_t version;" - << "};"; - - // query_type & query_base_type - // - if (options.generate_query ()) - { - // query_base_type - // - os << "typedef mysql::query query_base_type;" - << endl; - - // query_type - // - os << "struct query_type: query_base_type" - << "{"; - - { - query_columns t (*this); - t.traverse (c); - } - - os << "query_type ();" - << "query_type (const std::string&);" - << "query_type (const query_base_type&);" - << "};"; - } - - // column_count - // - os << "static const std::size_t in_column_count = " << - in_column_count (c) << "UL;" - << "static const std::size_t out_column_count = " << - out_column_count (c) << "UL;" - << endl; - - // Statements. - // - os << "static const char* const persist_statement;" - << "static const char* const find_statement;" - << "static const char* const update_statement;" - << "static const char* const erase_statement;"; - - if (options.generate_query ()) - os << "static const char* const query_clause;"; - - os << endl; - - // - // Containers. - // - - // Traits types. - // - { - container_traits t (*this, c); - t.traverse (c); - } - - // Statement cache (forward declaration). - // - os << "struct container_statement_cache_type;" - << endl; - - // - // Functions. - // - - // id () - // - os << "static id_type" << endl - << "id (const object_type&);" - << endl; - - if (options.generate_query ()) - os << "static id_type" << endl - << "id (const image_type&);" - << endl; - - // grow () - // - os << "static void" << endl - << "grow (image_type&, my_bool*);" - << endl; - - // bind (image_type) - // - os << "static void" << endl - << "bind (MYSQL_BIND*, image_type&, bool);" - << endl; - - // bind (id_image_type) - // - os << "static void" << endl - << "bind (MYSQL_BIND*, id_image_type&);" - << endl; - - // init (image, object) - // - os << "static void" << endl - << "init (image_type&, const object_type&);" - << endl; - - // init (object, image) - // - os << "static void" << endl - << "init (object_type&, const image_type&, database&);" - << endl; - - // init (id_image, id) - // - os << "static void" << endl - << "init (id_image_type&, const id_type&);" - << endl; - - // persist () - // - os << "static void" << endl - << "persist (database&, " << (auto_id ? "" : "const ") << - "object_type&);" - << endl; - - // update () - // - os << "static void" << endl - << "update (database&, const object_type&);" - << endl; - - // erase () - // - os << "static void" << endl - << "erase (database&, const id_type&);" - << endl; - - // find () - // - if (def_ctor) - os << "static pointer_type" << endl - << "find (database&, const id_type&);" - << endl; - - os << "static bool" << endl - << "find (database&, const id_type&, object_type&);" - << endl; - - // query () - // - if (options.generate_query ()) - os << "template" << endl - << "static result" << endl - << "query (database&, const query_type&);" - << endl; - - // create_schema () - // - if (embedded_schema) - { - os << "static void" << endl - << "create_schema (database&);" - << endl; - } - - // Implementation details. - // - os << "public:" << endl; - - // Load the object image. - // - os << "static bool" << endl - << "find_ (mysql::object_statements< object_type >&, const id_type&);" - << endl; - - // Load the rest of the object (containers, etc). Expects the id - // image in the object statements to be initialized to the object - // id. - // - os << "static void" << endl - << "load_ (mysql::object_statements< object_type >&, object_type&);" - << endl; - - if (options.generate_query ()) - os << "static void" << endl - << "query_ (database&," << endl - << "const query_type&," << endl - << "mysql::object_statements< object_type >&," << endl - << "details::shared_ptr< mysql::select_statement >&);" - << endl; - - os << "};"; - } - - virtual void - traverse_value (type& c) - { - string const& type (c.fq_name ()); - - os << "// " << c.name () << endl - << "//" << endl; - - os << "template <>" << endl - << "class access::composite_value_traits< " << type << " >" - << "{" - << "public:" << endl; - - // object_type - // - os << "typedef " << type << " value_type;" - << endl; - - // image_type - // - image_type_.traverse (c); - - // grow () - // - os << "static bool" << endl - << "grow (image_type&, my_bool*);" - << endl; - - // bind (image_type) - // - os << "static void" << endl - << "bind (MYSQL_BIND*, image_type&);" - << endl; - - // init (image, object) - // - os << "static bool" << endl - << "init (image_type&, const value_type&);" - << endl; - - // init (object, image) - // - os << "static void" << endl - << "init (value_type&, const image_type&, database&);" - << endl; - - os << "};"; - } - - private: - image_type image_type_; - image_member id_image_member_; - }; - } - - 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 " << endl - << "#include " << endl - << "#include " << endl; - - if (ctx.options.generate_query ()) - ctx.os << "#include " << endl; - - ctx.os << endl - << "#include " << endl - << endl; - - ctx.os << "namespace odb" - << "{"; - - unit.dispatch (ctx.unit); - - ctx.os << "}"; - } -} diff --git a/odb/mysql/header.hxx b/odb/mysql/header.hxx deleted file mode 100644 index ec7cbf1..0000000 --- a/odb/mysql/header.hxx +++ /dev/null @@ -1,17 +0,0 @@ -// file : odb/mysql/header.hxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#ifndef ODB_MYSQL_HEADER_HXX -#define ODB_MYSQL_HEADER_HXX - -#include - -namespace mysql -{ - void - generate_header (context&); -} - -#endif // ODB_MYSQL_HEADER_HXX diff --git a/odb/mysql/inline.cxx b/odb/mysql/inline.cxx deleted file mode 100644 index 1ab16ca..0000000 --- a/odb/mysql/inline.cxx +++ /dev/null @@ -1,129 +0,0 @@ -// file : odb/mysql/inline.cxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#include -#include - -namespace mysql -{ - 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")) - traverse_object (c); - else if (comp_value (c)) - traverse_value (c); - } - - virtual void - traverse_object (type& c) - { - string const& type (c.fq_name ()); - string traits ("access::object_traits< " + type + " >"); - semantics::data_member& id (id_member (c)); - - os << "// " << c.name () << endl - << "//" << endl - << endl; - - // query_type - // - if (options.generate_query ()) - { - os << "inline" << endl - << traits << "::query_type::" << endl - << "query_type ()" - << "{" - << "}"; - - os << "inline" << endl - << traits << "::query_type::" << endl - << "query_type (const std::string& q)" << endl - << " : query_base_type (q)" - << "{" - << "}"; - - os << "inline" << endl - << traits << "::query_type::" << endl - << "query_type (const query_base_type& q)" << endl - << " : query_base_type (q)" - << "{" - << "}"; - } - - // id () - // - os << "inline" << endl - << traits << "::id_type" << endl - << traits << "::" << endl - << "id (const object_type& obj)" - << "{" - << "return obj." << id.name () << ";" << endl - << "}"; - - // load_() - // - if (!has_a (c, test_container)) - { - os << "inline" << endl - << "void " << traits << "::" << endl - << "load_ (mysql::object_statements< object_type >&, object_type&)" - << "{" - << "}"; - } - } - - virtual void - traverse_value (type&) - { - /* - string const& type (c.fq_name ()); - string traits ("access::composite_value_traits< " + type + " >"); - - os << "// " << c.name () << endl - << "//" << endl - << endl; - - */ - } - }; - } - - void - generate_inline (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 << "namespace odb" - << "{"; - - unit.dispatch (ctx.unit); - - ctx.os << "}"; - } -} diff --git a/odb/mysql/inline.hxx b/odb/mysql/inline.hxx deleted file mode 100644 index e902ef3..0000000 --- a/odb/mysql/inline.hxx +++ /dev/null @@ -1,17 +0,0 @@ -// file : odb/mysql/inline.hxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#ifndef ODB_MYSQL_INLINE_HXX -#define ODB_MYSQL_INLINE_HXX - -#include - -namespace mysql -{ - void - generate_inline (context&); -} - -#endif // ODB_MYSQL_INLINE_HXX diff --git a/odb/mysql/schema.cxx b/odb/mysql/schema.cxx deleted file mode 100644 index b40a019..0000000 --- a/odb/mysql/schema.cxx +++ /dev/null @@ -1,11 +0,0 @@ -// file : odb/mysql/schema.cxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#include - -namespace mysql -{ - -} diff --git a/odb/mysql/schema.hxx b/odb/mysql/schema.hxx deleted file mode 100644 index 1defad7..0000000 --- a/odb/mysql/schema.hxx +++ /dev/null @@ -1,325 +0,0 @@ -// file : odb/mysql/schema.hxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#ifndef ODB_MYSQL_SCHEMA_HXX -#define ODB_MYSQL_SCHEMA_HXX - -#include - -#include -#include - -namespace mysql -{ - struct schema_context: context - { - typedef std::set tables; - - schema_context (context& c, std::ostream& os, emitter& e) - : context (c, os), e_ (e) - { - } - - schema_context (schema_context& c) : context (c), e_ (c.e_) {} - - emitter& e_; - }; - - // - // Drop. - // - - struct member_drop: object_members_base, schema_context - { - member_drop (schema_context& c, tables& t) - : object_members_base (c, false, true), - schema_context (c), - tables_ (t) - { - } - - virtual void - container (semantics::data_member& m) - { - // Ignore inverse containers of object pointers. - // - if (inverse (m, "value")) - return; - - string const& name (table_name (m, table_prefix_)); - - if (tables_.count (name)) - return; - - e_.pre (); - os << "DROP TABLE IF EXISTS `" << name << "`" << endl; - e_.post (); - - tables_.insert (name); - } - - private: - tables& tables_; - }; - - struct class_drop: traversal::class_, schema_context - { - class_drop (context& c, emitter& e) - : schema_context (c, os, e), os (e), - member_drop_ (*this, tables_) - { - } - - virtual void - traverse (type& c) - { - if (c.file () != unit.file ()) - return; - - if (!c.count ("object")) - return; - - string const& name (table_name (c)); - - if (tables_.count (name)) - return; - - e_.pre (); - os << "DROP TABLE IF EXISTS `" << name << "`" << endl; - e_.post (); - - tables_.insert (name); - - // Drop tables for members. - // - member_drop_.traverse (c); - } - - private: - tables tables_; - emitter_ostream os; - member_drop member_drop_; - }; - - // - // Create. - // - - struct object_columns: object_columns_base, schema_context - { - object_columns (schema_context& c, string const& prefix = string ()) - : object_columns_base (c), schema_context (c), prefix_ (prefix) - { - } - - virtual bool - column (semantics::data_member& m, string const& name, bool first) - { - // Ignore inverse object pointers. - // - if (inverse (m)) - return false; - - if (!first) - os << "," << endl; - - os << " `" << name << "` " << column_type (m, prefix_); - - if (m.count ("id")) - os << " PRIMARY KEY"; - - using semantics::class_; - if (class_* c = object_pointer (member_type (m, prefix_))) - { - os << " REFERENCES `" << table_name (*c) << "` (`" << - column_name (id_member (*c)) << "`)"; - } - - return true; - } - - private: - string prefix_; - }; - - struct member_create: object_members_base, schema_context - { - member_create (schema_context& c, semantics::class_& object, tables& t) - : object_members_base (c, false, true), - schema_context (c), - id_member_ (id_member (object)), - tables_ (t) - { - } - - virtual void - container (semantics::data_member& m) - { - using semantics::type; - using semantics::data_member; - - // Ignore inverse containers of object pointers. - // - if (inverse (m, "value")) - return; - - type& t (m.type ()); - container_kind_type ck (container_kind (t)); - type& vt (container_vt (t)); - - string const& name (table_name (m, table_prefix_)); - - if (tables_.count (name)) - return; - - e_.pre (); - os << "CREATE TABLE `" << name << "` (" << endl; - - // object_id (simple value) - // - string id_name (column_name (m, "id", "object_id")); - os << " `" << id_name << "` " << column_type (id_member_, "ref"); - - // index (simple value) - // - string index_name; - bool ordered (ck == ck_ordered && !unordered (m)); - if (ordered) - { - index_name = column_name (m, "index", "index"); - - os << "," << endl - << " `" << index_name << "` " << column_type (m, "index"); - } - - // key (simple or composite value) - // - if (ck == ck_map || ck == ck_multimap) - { - type& kt (container_kt (t)); - - os << "," << endl; - - if (semantics::class_* ckt = comp_value (kt)) - { - object_columns oc (*this); - oc.traverse_composite (m, *ckt, "key", "key"); - } - else - { - object_columns oc (*this, "key"); - string const& name (column_name (m, "key", "key")); - oc.column (m, name, true); - } - } - - // value (simple or composite value) - // - { - os << "," << endl; - - if (semantics::class_* cvt = comp_value (vt)) - { - object_columns oc (*this); - oc.traverse_composite (m, *cvt, "value", "value"); - } - else - { - object_columns oc (*this, "value"); - string const& name (column_name (m, "value", "value")); - oc.column (m, name, true); - } - } - - // object_id index - // - os << "," << endl - << " INDEX (`" << id_name << "`)"; - - // index index - // - if (ordered) - os << "," << endl - << " INDEX (`" << index_name << "`)"; - - os << ")"; - - string const& engine (options.mysql_engine ()); - - if (engine != "default") - os << endl - << " ENGINE=" << engine; - - os << endl; - e_.post (); - - tables_.insert (name); - } - - private: - semantics::data_member& id_member_; - tables& tables_; - }; - - struct class_create: traversal::class_, schema_context - { - class_create (context& c, emitter& e) - : schema_context (c, os, e), os (e) - { - } - - virtual void - traverse (type& c) - { - if (c.file () != unit.file ()) - return; - - if (!c.count ("object")) - return; - - string const& name (table_name (c)); - - // If the table with this name was already created, assume the - // user knows what they are doing and skip it. - // - if (tables_.count (name)) - return; - - e_.pre (); - os << "CREATE TABLE `" << name << "` (" << endl; - - { - object_columns oc (*this); - oc.traverse (c); - } - - os << ")"; - - string const& engine (options.mysql_engine ()); - - if (engine != "default") - os << endl - << " ENGINE=" << engine; - - os << endl; - e_.post (); - - tables_.insert (name); - - // Create tables for members. - // - { - member_create mc (*this, c, tables_); - mc.traverse (c); - } - } - - private: - tables tables_; - emitter_ostream os; - }; -} - -#endif // ODB_MYSQL_SCHEMA_HXX diff --git a/odb/mysql/source.cxx b/odb/mysql/source.cxx deleted file mode 100644 index bc7340a..0000000 --- a/odb/mysql/source.cxx +++ /dev/null @@ -1,3266 +0,0 @@ -// file : odb/mysql/source.cxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#include - -#include -#include -#include -#include - -#include -#include -#include - -using namespace std; - -namespace mysql -{ - namespace - { - struct schema_emitter: emitter, context - { - schema_emitter (context& c): context (c) {} - - virtual void - pre () - { - first_ = true; - os << "db.execute ("; - } - - virtual void - line (const std::string& l) - { - if (first_) - first_ = false; - else - os << endl; - - os << strlit (l); - } - - virtual void - post () - { - os << ");" << endl; - } - - private: - bool first_; - }; - - struct object_columns: object_columns_base, context - { - object_columns (context& c, - std::string const& table_name, - bool out, - char const* suffix = "") - : object_columns_base (c), - context (c), - table_name_ (table_name), - out_ (out), - first_ (true), - suffix_ (suffix) - { - } - - object_columns (context& c, - std::string const& table_name, - bool out, - bool first, - char const* suffix = "") - : object_columns_base (c), - context (c), - table_name_ (table_name), - out_ (out), - first_ (first), - suffix_ (suffix) - { - } - - virtual bool - column (semantics::data_member& m, string const& name, bool first) - { - semantics::data_member* im (inverse (m)); - - // Ignore inverse object pointers if we are generating 'in' columns. - // - if (im != 0 && !out_) - return false; - - if (!first || !first_) - os << ",\"" << endl; - - // Inverse object pointers come from a joined table. - // - if (im != 0) - { - semantics::class_* c (object_pointer (m.type ())); - - if (container (im->type ())) - { - // This container is a direct member of the class so the table - // prefix is just the class table name. - // - table_prefix tp (table_name (*c) + "_", 1); - string const& it (table_name (*im, tp)); - string const& id (column_name (*im, "id", "object_id")); - - os << "\"`" << it << "`.`" << id << "`" << suffix_; - } - else - { - os << "\"`" << table_name (*c) << "`.`" << - column_name (id_member (*c)) << "`" << suffix_; - } - } - else - os << "\"`" << table_name_ << "`.`" << name << "`" << suffix_; - - return true; - } - - private: - string table_name_; - bool out_; - bool first_; - string suffix_; - }; - - struct object_joins: object_columns_base, context - { - object_joins (context& c, semantics::class_& scope, bool query) - : object_columns_base (c), - context (c), - query_ (query), - table_ (table_name (scope)), - id_ (id_member (scope)) - { - } - - size_t - count () const - { - return joins_.size (); - } - - void - write () - { - for (joins::iterator i (joins_.begin ()); i != joins_.end (); ++i) - { - if (i->table.empty ()) - continue; - - os << "\" LEFT JOIN `" << i->table << "` ON "; - - for (conditions::iterator b (i->cond.begin ()), j (b); - j != i->cond.end (); ++j) - { - if (j != b) - os << " OR "; - - os << *j; - } - - os << "\"" << endl; - } - } - - virtual bool - column (semantics::data_member& m, string const& col_name, bool) - { - semantics::class_* c (object_pointer (m.type ())); - - if (c == 0) - return true; - - string t, dt; - ostringstream cond, dcond; - - if (semantics::data_member* im = inverse (m)) - { - if (container (im->type ())) - { - // This container is a direct member of the class so the table - // prefix is just the class table name. - // - string const& ct (table_name (*c)); - table_prefix tp (ct + "_", 1); - t = table_name (*im, tp); - string const& val (column_name (*im, "value", "value")); - - cond << "`" << t << "`.`" << val << "` = `" << - table_ << "`.`" << column_name (id_) << "`"; - - // Add the join for the object itself so that we are able to - // use it in the WHERE clause. - // - if (query_) - { - dt = ct; - string const& id (column_name (*im, "id", "object_id")); - - dcond << "`" << dt << "`.`" << column_name (id_member (*c)) << - "` = `" << t << "`.`" << id << "`"; - } - } - else - { - t = table_name (*c); - - cond << "`" << t << "`.`" << column_name (*im) << "` = `" << - table_ << "`.`" << column_name (id_) << "`"; - } - } - else if (query_) - { - // We need the join to be able to use the referenced object - // in the WHERE clause. - // - t = table_name (*c); - - cond << "`" << t << "`.`" << column_name (id_member (*c)) << - "` = `" << table_ << "`.`" << col_name << "`"; - } - - if (!t.empty ()) - { - size_t i; - table_map::iterator it (table_map_.find (t)); - - if (it != table_map_.end ()) - i = it->second; - else - { - i = joins_.size (); - joins_.push_back (join ()); - table_map_[t] = i; - } - - joins_[i].table = t; - joins_[i].cond.insert (cond.str ()); - } - - if (!dt.empty ()) - { - // Add dependent join. If one already exists, move it to the - // bottom. - // - size_t i; - table_map::iterator it (table_map_.find (dt)); - - if (it != table_map_.end ()) - { - i = joins_.size (); - joins_.push_back (join ()); - joins_[it->second].swap (joins_.back ()); - it->second = i; - } - else - { - i = joins_.size (); - joins_.push_back (join ()); - table_map_[dt] = i; - } - - joins_[i].table = dt; - joins_[i].cond.insert (dcond.str ()); - } - - return true; - } - - private: - bool query_; - string table_; - semantics::data_member& id_; - - typedef set conditions; - - struct join - { - string table; - conditions cond; - - void - swap (join& o) - { - table.swap (o.table); - cond.swap (o.cond); - } - }; - - typedef vector joins; - typedef map table_map; - - joins joins_; - table_map table_map_; - }; - - const char* integer_buffer_types[] = - { - "MYSQL_TYPE_TINY", - "MYSQL_TYPE_SHORT", - "MYSQL_TYPE_LONG", // *_bind_param() doesn't support INT24. - "MYSQL_TYPE_LONG", - "MYSQL_TYPE_LONGLONG" - }; - - const char* float_buffer_types[] = - { - "MYSQL_TYPE_FLOAT", - "MYSQL_TYPE_DOUBLE" - }; - - const char* date_time_buffer_types[] = - { - "MYSQL_TYPE_DATE", - "MYSQL_TYPE_TIME", - "MYSQL_TYPE_DATETIME", - "MYSQL_TYPE_TIMESTAMP", - "MYSQL_TYPE_SHORT" - }; - - const char* char_bin_buffer_types[] = - { - "MYSQL_TYPE_STRING", // CHAR - "MYSQL_TYPE_BLOB", // BINARY, - "MYSQL_TYPE_STRING", // VARCHAR - "MYSQL_TYPE_BLOB", // VARBINARY - "MYSQL_TYPE_STRING", // TINYTEXT - "MYSQL_TYPE_BLOB", // TINYBLOB - "MYSQL_TYPE_STRING", // TEXT - "MYSQL_TYPE_BLOB", // BLOB - "MYSQL_TYPE_STRING", // MEDIUMTEXT - "MYSQL_TYPE_BLOB", // MEDIUMBLOB - "MYSQL_TYPE_STRING", // LONGTEXT - "MYSQL_TYPE_BLOB" // LONGBLOB - }; - - // - // bind - // - - struct bind_member: member_base - { - bind_member (context& c, - string const& var = string (), - string const& arg = string ()) - : member_base (c, var), arg_override_ (arg) - { - } - - bind_member (context& c, - string const& var, - string const& arg, - semantics::type& t, - string const& fq_type, - string const& key_prefix) - : member_base (c, var, t, fq_type, key_prefix), arg_override_ (arg) - { - } - - virtual bool - pre (member_info& mi) - { - if (container (mi.t)) - return false; - - ostringstream ostr; - ostr << "b[n]"; - b = ostr.str (); - - arg = arg_override_.empty () ? string ("i") : arg_override_; - - if (var_override_.empty ()) - { - os << "// " << mi.m.name () << endl - << "//" << endl; - - if (inverse (mi.m, key_prefix_)) - os << "if (out)" - << "{"; - } - - return true; - } - - virtual void - post (member_info& mi) - { - if (var_override_.empty ()) - { - if (semantics::class_* c = comp_value (mi.t)) - os << "n += " << in_column_count (*c) << "UL;"; - else - os << "n++;"; - - if (inverse (mi.m, key_prefix_)) - os << "}"; - else - os << endl; - } - } - - virtual void - traverse_composite (member_info& mi) - { - os << "composite_value_traits< " << mi.fq_type () << - " >::bind (b + n, " << arg << "." << mi.var << "value);"; - } - - virtual void - traverse_integer (member_info& mi) - { - // While the is_unsigned should indicate whether the - // buffer variable is unsigned, rather than whether the - // database type is unsigned, in case of the image types, - // this is the same. - // - os << b << ".buffer_type = " << - integer_buffer_types[mi.st->type - sql_type::TINYINT] << ";" - << b << ".is_unsigned = " << (mi.st->unsign ? "1" : "0") << ";" - << b << ".buffer = &" << arg << "." << mi.var << "value;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_float (member_info& mi) - { - os << b << ".buffer_type = " << - float_buffer_types[mi.st->type - sql_type::FLOAT] << ";" - << b << ".buffer = &" << arg << "." << mi.var << "value;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_decimal (member_info& mi) - { - os << b << ".buffer_type = MYSQL_TYPE_NEWDECIMAL;" - << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_date_time (member_info& mi) - { - os << b << ".buffer_type = " << - date_time_buffer_types[mi.st->type - sql_type::DATE] << ";" - << b << ".buffer = &" << arg << "." << mi.var << "value;"; - - if (mi.st->type == sql_type::YEAR) - os << b << ".is_unsigned = 0;"; - - os << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_short_string (member_info& mi) - { - // MySQL documentation is quite confusing about the use of - // buffer_length and length when it comes to input parameters. - // Source code, however, tells us that it uses buffer_length - // only if length is NULL. - // - os << b << ".buffer_type = " << - char_bin_buffer_types[mi.st->type - sql_type::CHAR] << ";" - << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_long_string (member_info& mi) - { - os << b << ".buffer_type = " << - char_bin_buffer_types[mi.st->type - sql_type::CHAR] << ";" - << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_bit (member_info& mi) - { - // Treated as a BLOB. - // - os << b << ".buffer_type = MYSQL_TYPE_BLOB;" - << b << ".buffer = " << arg << "." << mi.var << "value;" - << b << ".buffer_length = static_cast (" << endl - << "sizeof (" << arg << "." << mi.var << "value));" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_enum (member_info& mi) - { - // Represented as a string. - // - os << b << ".buffer_type = MYSQL_TYPE_STRING;" - << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - virtual void - traverse_set (member_info& mi) - { - // Represented as a string. - // - os << b << ".buffer_type = MYSQL_TYPE_STRING;" - << b << ".buffer = " << arg << "." << mi.var << "value.data ();" - << b << ".buffer_length = static_cast (" << endl - << "" << arg << "." << mi.var << "value.capacity ());" - << b << ".length = &" << arg << "." << mi.var << "size;" - << b << ".is_null = &" << arg << "." << mi.var << "null;"; - } - - private: - string b; - string arg; - string arg_override_; - }; - - struct bind_base: traversal::class_, context - { - bind_base (context& c) - : context (c) - { - } - - virtual void - traverse (type& c) - { - // Ignore transient bases. - // - if (!(c.count ("object") || comp_value (c))) - return; - - os << "// " << c.name () << " base" << endl - << "//" << endl - << "composite_value_traits< " << c.fq_name () << - " >::bind (b + n, i);" - << "n += " << in_column_count (c) << "UL;" - << endl; - } - }; - - // - // grow - // - - struct grow_member: member_base - { - grow_member (context& c, size_t& index) - : member_base (c), index_ (index) - { - } - - grow_member (context& c, - size_t& index, - string const& var, - semantics::type& t, - string const& fq_type, - string const& key_prefix) - : member_base (c, var, t, fq_type, key_prefix), index_ (index) - { - } - - virtual bool - pre (member_info& mi) - { - if (container (mi.t)) - return false; - - ostringstream ostr; - ostr << "e[" << index_ << "UL]"; - e = ostr.str (); - - if (var_override_.empty ()) - os << "// " << mi.m.name () << endl - << "//" << endl; - - return true; - } - - virtual void - post (member_info& mi) - { - if (semantics::class_* c = comp_value (mi.t)) - index_ += in_column_count (*c); - else - index_++; - } - - virtual void - traverse_composite (member_info& mi) - { - os << "if (composite_value_traits< " << mi.fq_type () << - " >::grow (" << endl - << "i." << mi.var << "value, e + " << index_ << "UL))" - << "{" - << "grew = true;" - << "}"; - } - - virtual void - traverse_integer (member_info&) - { - os << e << " = 0;" - << endl; - } - - virtual void - traverse_float (member_info&) - { - os << e << " = 0;" - << endl; - } - - virtual void - traverse_decimal (member_info& mi) - { - // @@ Optimization disabled. - // - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - virtual void - traverse_date_time (member_info&) - { - os << e << " = 0;" - << endl; - } - - virtual void - traverse_short_string (member_info& mi) - { - // @@ Optimization disabled. - // - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - virtual void - traverse_long_string (member_info& mi) - { - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - virtual void - traverse_bit (member_info&) - { - os << e << " = 0;" - << endl; - } - - virtual void - traverse_enum (member_info& mi) - { - // Represented as a string. - // - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - virtual void - traverse_set (member_info& mi) - { - // Represented as a string. - // - os << "if (" << e << ")" << endl - << "{" - << "i." << mi.var << "value.capacity (i." << mi.var << "size);" - << "grew = true;" - << "}"; - } - - private: - string e; - size_t& index_; - }; - - struct grow_base: traversal::class_, context - { - grow_base (context& c, size_t& index) - : context (c), index_ (index) - { - } - - virtual void - traverse (type& c) - { - // Ignore transient bases. - // - if (!(c.count ("object") || comp_value (c))) - return; - - os << "// " << c.name () << " base" << endl - << "//" << endl - << "if (composite_value_traits< " << c.fq_name () << - " >::grow (i, e + " << index_ << "UL))" - << "{" - << "grew = true;" - << "}"; - - index_ += in_column_count (c); - } - - private: - size_t& index_; - }; - - // - // init image - // - - struct init_image_member: member_base - { - init_image_member (context& c, - string const& var = string (), - string const& member = string ()) - : member_base (c, var), - member_image_type_ (c), - member_database_type_ (c), - member_override_ (member) - { - } - - init_image_member (context& c, - string const& var, - string const& member, - semantics::type& t, - string const& fq_type, - string const& key_prefix) - : member_base (c, var, t, fq_type, key_prefix), - member_image_type_ (c, t, fq_type, key_prefix), - member_database_type_ (c, t, fq_type, key_prefix), - member_override_ (member) - { - } - - virtual bool - pre (member_info& mi) - { - // Ignore containers (they get their own table) and inverse - // object pointers (they are not present in the 'in' binding). - // - if (container (mi.t) || inverse (mi.m, key_prefix_)) - return false; - - if (!member_override_.empty ()) - member = member_override_; - else - { - string const& name (mi.m.name ()); - member = "o." + name; - - os << "// " << name << endl - << "//" << endl; - } - - if (comp_value (mi.t)) - traits = "composite_value_traits< " + mi.fq_type () + " >"; - else - { - // When handling a pointer, mi.t is the id type of the referenced - // object. - // - semantics::type& mt (member_type (mi.m, key_prefix_)); - - if (semantics::class_* c = object_pointer (mt)) - { - type = "obj_traits::id_type"; - image_type = member_image_type_.image_type (mi.m); - db_type = member_database_type_.database_type (mi.m); - - // Handle NULL pointers and extract the id. - // - os << "{" - << "typedef object_traits< " << c->fq_name () << - " > obj_traits;"; - - if (weak_pointer (mt)) - { - os << "typedef pointer_traits< " << mi.fq_type () << - " > wptr_traits;" - << "typedef pointer_traits< wptr_traits::" << - "strong_pointer_type > ptr_traits;" - << endl - << "wptr_traits::strong_pointer_type sp (" << - "wptr_traits::lock (" << member << "));"; - - member = "sp"; - } - else - os << "typedef pointer_traits< " << mi.fq_type () << - " > ptr_traits;" - << endl; - - os << "bool is_null (ptr_traits::null_ptr (" << member << "));" - << "if (!is_null)" - << "{" - << "const " << type << "& id (" << endl; - - if (lazy_pointer (mt)) - os << "ptr_traits::object_id< ptr_traits::element_type > (" << - member << ")"; - else - os << "obj_traits::id (ptr_traits::get_ref (" << member << "))"; - - os << ");" - << endl; - - member = "id"; - } - else - { - type = mi.fq_type (); - image_type = member_image_type_.image_type (mi.m); - db_type = member_database_type_.database_type (mi.m); - - os << "{" - << "bool is_null;"; - } - - traits = "mysql::value_traits<\n " - + type + ",\n " - + image_type + ",\n " - + db_type + " >"; - } - - return true; - } - - virtual void - post (member_info& mi) - { - if (!comp_value (mi.t)) - { - // When handling a pointer, mi.t is the id type of the referenced - // object. - // - if (object_pointer (member_type (mi.m, key_prefix_))) - { - os << "}"; - - if (!null_pointer (mi.m, key_prefix_)) - os << "else" << endl - << "throw null_pointer ();"; - } - - os << "i." << mi.var << "null = is_null;" - << "}"; - } - } - - virtual void - traverse_composite (member_info& mi) - { - os << "if (" << traits << "::init (i." << mi.var << "value, " << - member << "))" - << "{" - << "grew = true;" - << "}"; - } - - virtual void - traverse_integer (member_info& mi) - { - os << traits << "::set_image (" << endl - << "i." << mi.var << "value, is_null, " << member << ");"; - } - - virtual void - traverse_float (member_info& mi) - { - os << traits << "::set_image (" << endl - << "i." << mi.var << "value, is_null, " << member << ");"; - } - - virtual void - traverse_decimal (member_info& mi) - { - // @@ Optimization: can remove growth check if buffer is fixed. - // - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; - } - - virtual void - traverse_date_time (member_info& mi) - { - os << traits << "::set_image (" << endl - << "i." << mi.var << "value, is_null, " << member << ");"; - } - - virtual void - traverse_short_string (member_info& mi) - { - // @@ Optimization: can remove growth check if buffer is fixed. - // - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; - } - - virtual void - traverse_long_string (member_info& mi) - { - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; - } - - virtual void - traverse_bit (member_info& mi) - { - // Represented as a BLOB. - // - os << "std::size_t size (0);" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "sizeof (i." << mi.var << "value)," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast (size);"; - } - - virtual void - traverse_enum (member_info& mi) - { - // Represented as a string. - // - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; - } - - virtual void - traverse_set (member_info& mi) - { - // Represented as a string. - // - os << "std::size_t size (0);" - << "std::size_t cap (i." << mi.var << "value.capacity ());" - << traits << "::set_image (" << endl - << "i." << mi.var << "value," << endl - << "size," << endl - << "is_null," << endl - << member << ");" - << "i." << mi.var << "size = static_cast (size);" - << "grew = grew || (cap != i." << mi.var << "value.capacity ());"; - } - - private: - string type; - string db_type; - string member; - string image_type; - string traits; - - member_image_type member_image_type_; - member_database_type member_database_type_; - - string member_override_; - }; - - struct init_image_base: traversal::class_, context - { - init_image_base (context& c) - : context (c) - { - } - - virtual void - traverse (type& c) - { - // Ignore transient bases. - // - if (!(c.count ("object") || comp_value (c))) - return; - - os << "// " << c.name () << " base" << endl - << "//" << endl - << "if (composite_value_traits< " << c.fq_name () << - " >::init (i, o))" - << "{" - << "grew = true;" - << "}"; - } - }; - - // - // init value - // - - struct init_value_member: member_base - { - init_value_member (context& c, string const& member = string ()) - : member_base (c), - member_image_type_ (c), - member_database_type_ (c), - member_override_ (member) - { - } - - init_value_member (context& c, - string const& var, - string const& member, - semantics::type& t, - string const& fq_type, - string const& key_prefix) - : member_base (c, var, t, fq_type, key_prefix), - member_image_type_ (c, t, fq_type, key_prefix), - member_database_type_ (c, t, fq_type, key_prefix), - member_override_ (member) - { - } - - virtual bool - pre (member_info& mi) - { - if (container (mi.t)) - return false; - - if (!member_override_.empty ()) - member = member_override_; - else - { - string const& name (mi.m.name ()); - member = "o." + name; - - os << "// " << name << endl - << "//" << endl; - } - - if (comp_value (mi.t)) - traits = "composite_value_traits< " + mi.fq_type () + " >"; - else - { - // When handling a pointer, mi.t is the id type of the referenced - // object. - // - semantics::type& mt (member_type (mi.m, key_prefix_)); - - if (semantics::class_* c = object_pointer (mt)) - { - type = "obj_traits::id_type"; - image_type = member_image_type_.image_type (mi.m); - db_type = member_database_type_.database_type (mi.m); - - // Handle NULL pointers and extract the id. - // - os << "{" - << "typedef object_traits< " << c->fq_name () << - " > obj_traits;" - << "typedef pointer_traits< " << mi.fq_type () << - " > ptr_traits;" - << endl - << "if (i." << mi.var << "null)" << endl; - - if (null_pointer (mi.m, key_prefix_)) - os << member << " = ptr_traits::pointer_type ();"; - else - os << "throw null_pointer ();"; - - os << "else" - << "{" - << type << " id;"; - - member = "id"; - } - else - { - type = mi.fq_type (); - image_type = member_image_type_.image_type (mi.m); - db_type = member_database_type_.database_type (mi.m); - } - - traits = "mysql::value_traits<\n " - + type + ",\n " - + image_type + ",\n " - + db_type + " >"; - } - - return true; - } - - virtual void - post (member_info& mi) - { - if (comp_value (mi.t)) - return; - - // When handling a pointer, mi.t is the id type of the referenced - // object. - // - semantics::type& mt (member_type (mi.m, key_prefix_)); - - if (object_pointer (mt)) - { - member = member_override_.empty () - ? "o." + mi.m.name () - : member_override_; - - if (lazy_pointer (mt)) - os << member << " = ptr_traits::pointer_type (db, id);"; - else - os << "// If a compiler error points to the line below, then" << endl - << "// it most likely means that a pointer used in a member" << endl - << "// cannot be initialized from an object pointer." << endl - << "//" << endl - << member << " = ptr_traits::pointer_type (" << endl - << "db.load< ptr_traits::element_type > (id));"; - - os << "}" - << "}"; - } - } - - virtual void - traverse_composite (member_info& mi) - { - os << traits << "::init (" << member << ", i." << - mi.var << "value, db);" - << endl; - } - - virtual void - traverse_integer (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << ", i." << mi.var << "value, " << - "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_float (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << ", i." << mi.var << "value, " << - "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_decimal (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_date_time (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << ", i." << mi.var << "value, " << - "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_short_string (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_long_string (member_info& mi) - { - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_bit (member_info& mi) - { - // Represented as a BLOB. - // - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_enum (member_info& mi) - { - // Represented as a string. - // - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - virtual void - traverse_set (member_info& mi) - { - // Represented as a string. - // - os << traits << "::set_value (" << endl - << member << "," << endl - << "i." << mi.var << "value," << endl - << "i." << mi.var << "size," << endl - << "i." << mi.var << "null);" - << endl; - } - - private: - string type; - string db_type; - string image_type; - string traits; - string member; - - member_image_type member_image_type_; - member_database_type member_database_type_; - - string member_override_; - }; - - struct init_value_base: traversal::class_, context - { - init_value_base (context& c) - : context (c) - { - } - - virtual void - traverse (type& c) - { - // Ignore transient bases. - // - if (!(c.count ("object") || comp_value (c))) - return; - - os << "// " << c.name () << " base" << endl - << "//" << endl - << "composite_value_traits< " << c.fq_name () << - " >::init (o, i, db);" - << endl; - } - }; - - // Member-specific traits types for container members. - // - struct container_traits: object_members_base, context - { - container_traits (context& c, semantics::class_& obj) - : object_members_base (c, true, true), - context (c), - object_ (obj), - id_member_ (id_member (obj)) - { - obj_scope_ = "access::object_traits< " + obj.fq_name () + " >"; - } - - virtual void - container (semantics::data_member& m) - { - using semantics::type; - - type& t (m.type ()); - container_kind_type ck (container_kind (t)); - - type& vt (container_vt (t)); - type* it (0); - type* kt (0); - - semantics::data_member* im (context::inverse (m, "value")); - - bool ordered (false); - bool inverse (im != 0); - bool grow (false); - - switch (ck) - { - case ck_ordered: - { - if (!unordered (m)) - { - it = &container_it (t); - ordered = true; - grow = grow || context::grow (m, *it, "index"); - } - break; - } - case ck_map: - case ck_multimap: - { - kt = &container_kt (t); - grow = grow || context::grow (m, *kt, "key"); - break; - } - case ck_set: - case ck_multiset: - { - break; - } - } - - grow = grow || context::grow (m, vt, "value"); - - bool eager_ptr (is_a (m, test_eager_pointer, vt, "value") || - has_a (vt, test_eager_pointer)); - - string name (prefix_ + public_name (m) + "_traits"); - string scope (obj_scope_ + "::" + name); - - os << "// " << m.name () << endl - << "//" << endl - << endl; - - // - // Statements. - // - string table (table_name (m, table_prefix_)); - - // select_all_statement - // - os << "const char* const " << scope << - "::select_all_statement =" << endl; - - if (inverse) - { - semantics::class_* c (object_pointer (vt)); - - string inv_table; // Other table name. - string inv_id; // Other id column. - string inv_fid; // Other foreign id column (ref to us). - - if (context::container (im->type ())) - { - // many(i)-to-many - // - - // This other container is a direct member of the class so the - // table prefix is just the class table name. - // - table_prefix tp (table_name (*c) + "_", 1); - inv_table = table_name (*im, tp); - inv_id = column_name (*im, "id", "object_id"); - inv_fid = column_name (*im, "value", "value"); - } - else - { - // many(i)-to-one - // - inv_table = table_name (*c); - inv_id = column_name (id_member (*c)); - inv_fid = column_name (*im); - } - - os << "\"SELECT \"" << endl - << "\"`" << inv_fid << "`,\"" << endl - << "\"`" << inv_id << "`\"" << endl - << "\" FROM `" << inv_table << "` WHERE `" << - inv_fid << "` = ?\""; - } - else - { - os << "\"SELECT \"" << endl - << "\"`" << column_name (m, "id", "object_id") << "`"; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - { - os << ",\"" << endl - << "\"`" << column_name (m, "index", "index") << "`"; - } - break; - } - case ck_map: - case ck_multimap: - { - if (semantics::class_* ckt = comp_value (*kt)) - { - object_columns t (*this, table, false, false); - t.traverse_composite (m, *ckt, "key", "key"); - } - else - { - os << ",\"" << endl - << "\"`" << column_name (m, "key", "key") << "`"; - } - break; - } - case ck_set: - case ck_multiset: - { - break; - } - } - - if (semantics::class_* cvt = comp_value (vt)) - { - object_columns t (*this, table, false, false); - t.traverse_composite (m, *cvt, "value", "value"); - } - else - { - os << ",\"" << endl - << "\"`" << column_name (m, "value", "value") << "`"; - } - - os << "\"" << endl - << "\" FROM `" << table << "` WHERE `" << - column_name (m, "id", "object_id") << "` = ?\"" << endl; - - if (ordered) - os << "\" ORDER BY `" << column_name (m, "index", "index") << - "`\""; - } - - os << ";" - << endl; - - // insert_one_statement - // - os << "const char* const " << scope << - "::insert_one_statement =" << endl; - - if (inverse) - os << " \"\";" - << endl; - else - { - os << "\"INSERT INTO `" << table << "` (\"" << endl - << "\"`" << column_name (m, "id", "object_id") << "`"; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - { - os << ",\"" << endl - << "\"`" << column_name (m, "index", "index") << "`"; - } - break; - } - case ck_map: - case ck_multimap: - { - if (semantics::class_* ckt = comp_value (*kt)) - { - object_columns t (*this, table, false, false); - t.traverse_composite (m, *ckt, "key", "key"); - } - else - { - os << ",\"" << endl - << "\"`" << column_name (m, "key", "key") << "`"; - } - break; - } - case ck_set: - case ck_multiset: - { - break; - } - } - - if (semantics::class_* cvt = comp_value (vt)) - { - object_columns t (*this, table, false, false); - t.traverse_composite (m, *cvt, "value", "value"); - } - else - { - os << ",\"" << endl - << "\"`" << column_name (m, "value", "value") << "`"; - } - - os << "\"" << endl - << "\") VALUES ("; - - for (size_t i (0), n (m.get ("data-column-count")); i < n; ++i) - os << (i != 0 ? "," : "") << '?'; - - os << ")\";" - << endl; - } - - // delete_all_statement - // - os << "const char* const " << scope << - "::delete_all_statement =" << endl; - - if (inverse) - os << " \"\";" - << endl; - else - { - os << "\"DELETE FROM `" << table << "`\"" << endl - << "\" WHERE `" << column_name (m, "id", "object_id") << "` = ?\";" - << endl; - } - - // - // Functions. - // - - // bind() - // - { - bind_member bind_id (*this, "id_", "id"); - - // bind (cond_image_type) - // - os << "void " << scope << "::" << endl - << "bind (MYSQL_BIND* b, id_image_type* p, cond_image_type& c)" - << "{" - << "ODB_POTENTIALLY_UNUSED (c);" - << endl - << "std::size_t n (0);" - << endl; - - os << "// object_id" << endl - << "//" << endl - << "if (p != 0)" - << "{" - << "id_image_type& id (*p);"; - bind_id.traverse (id_member_); - os << "}" - << "n++;" - << endl; - - // We don't need to update the bind index since this is the - // last element. - // - switch (ck) - { - case ck_ordered: - { - if (ordered) - { - os << "// index" << endl - << "//" << endl; - bind_member bm ( - *this, "index_", "c", *it, "index_type", "index"); - bm.traverse (m); - } - break; - } - case ck_map: - case ck_multimap: - { - os << "// key" << endl - << "//" << endl; - bind_member bm (*this, "key_", "c", *kt, "key_type", "key"); - bm.traverse (m); - break; - } - case ck_set: - case ck_multiset: - { - os << "// value" << endl - << "//" << endl; - bind_member bm (*this, "value_", "c", vt, "value_type", "value"); - bm.traverse (m); - break; - } - } - - os << "}"; - - // bind (data_image_type) - // - os << "void " << scope << "::" << endl - << "bind (MYSQL_BIND* b, id_image_type* p, data_image_type& d)" - << "{" - << "size_t n (0);" - << endl; - - os << "// object_id" << endl - << "//" << endl - << "if (p != 0)" - << "{" - << "id_image_type& id (*p);"; - bind_id.traverse (id_member_); - os << "}" - << "n++;" - << endl; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - { - os << "// index" << endl - << "//" << endl; - bind_member bm ( - *this, "index_", "d", *it, "index_type", "index"); - bm.traverse (m); - os << "n++;" // Simple value. - << endl; - } - break; - } - case ck_map: - case ck_multimap: - { - os << "// key" << endl - << "//" << endl; - bind_member bm (*this, "key_", "d", *kt, "key_type", "key"); - bm.traverse (m); - - if (semantics::class_* c = comp_value (*kt)) - os << "n += " << in_column_count (*c) << "UL;" - << endl; - else - os << "n++;" - << endl; - break; - } - case ck_set: - case ck_multiset: - { - break; - } - } - - // We don't need to update the bind index since this is the - // last element. - // - os << "// value" << endl - << "//" << endl; - bind_member bm (*this, "value_", "d", vt, "value_type", "value"); - bm.traverse (m); - - os << "}"; - } - - // grow () - // - { - size_t index (0); - - os << "void " << scope << "::" << endl - << "grow (data_image_type& i, my_bool* e)" - << "{" - << "bool grew (false);" - << endl; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - { - os << "// index" << endl - << "//" << endl; - grow_member gm ( - *this, index, "index_", *it, "index_type", "index"); - gm.traverse (m); - } - break; - } - case ck_map: - case ck_multimap: - { - os << "// key" << endl - << "//" << endl; - grow_member gm (*this, index, "key_", *kt, "key_type", "key"); - gm.traverse (m); - break; - } - case ck_set: - case ck_multiset: - { - break; - } - } - - os << "// value" << endl - << "//" << endl; - grow_member gm (*this, index, "value_", vt, "value_type", "value"); - gm.traverse (m); - - os << "if (grew)" << endl - << "i.version++;" - << "}"; - } - - // init (data_image) - // - if (!inverse) - { - os << "void " << scope << "::" << endl; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - os << "init (data_image_type& i, index_type j, " << - "const value_type& v)"; - else - os << "init (data_image_type& i, const value_type& v)"; - - os<< "{" - << "bool grew (false);" - << endl; - - if (ordered) - { - os << "// index" << endl - << "//" << endl; - - init_image_member im ( - *this, "index_", "j", *it, "index_type", "index"); - im.traverse (m); - } - - break; - } - case ck_map: - case ck_multimap: - { - os << "init (data_image_type& i, const key_type& k, " << - "const value_type& v)" - << "{" - << "bool grew (false);" - << endl - << "// key" << endl - << "//" << endl; - - init_image_member im ( - *this, "key_", "k", *kt, "key_type", "key"); - im.traverse (m); - - break; - } - case ck_set: - case ck_multiset: - { - os << "init (data_image_type& i, const value_type& v)" - << "{" - << "bool grew (false);" - << endl; - break; - } - } - - os << "// value" << endl - << "//" << endl; - { - init_image_member im ( - *this, "value_", "v", vt, "value_type", "value"); - im.traverse (m); - } - - os << "if (grew)" << endl - << "i.version++;" - << "}"; - } - - // init (data) - // - os << "void " << scope << "::" << endl; - - switch (ck) - { - case ck_ordered: - { - if (ordered) - os << "init (index_type& j, value_type& v, " << - "const data_image_type& i, database& db)"; - else - os << "init (value_type& v, const data_image_type& i, " << - "database& db)"; - - os << "{" - << "ODB_POTENTIALLY_UNUSED (db);" - << endl; - - if (ordered) - { - os << "// index" << endl - << "//" << endl; - - init_value_member im ( - *this, "index_", "j", *it, "index_type", "index"); - im.traverse (m); - } - - break; - } - case ck_map: - case ck_multimap: - { - os << "init (key_type& k, value_type& v, " << - "const data_image_type& i, database& db)" - << "{" - << "ODB_POTENTIALLY_UNUSED (db);" - << endl - << "// key" << endl - << "//" << endl; - - init_value_member im (*this, "key_", "k", *kt, "key_type", "key"); - im.traverse (m); - - break; - } - case ck_set: - case ck_multiset: - { - os << "init (value_type& v, const data_image_type& i, " << - "database& db)" - << "{" - << "ODB_POTENTIALLY_UNUSED (db);" - << endl; - break; - } - } - - os << "// value" << endl - << "//" << endl; - { - // If the value is an object pointer, pass the id type as a - // type override. - // - init_value_member im ( - *this, "value_", "v", vt, "value_type", "value"); - im.traverse (m); - } - os << "}"; - - // insert_one - // - { - string ia, ka, va, da; - - if (!inverse) - { - ia = ordered ? " i" : ""; - ka = " k"; - va = " v"; - da = " d"; - } - - os << "void " << scope << "::" << endl; - - switch (ck) - { - case ck_ordered: - { - os << "insert_one (index_type" << ia << ", " << - "const value_type&" << va << ", " << - "void*" << da << ")"; - break; - } - case ck_map: - case ck_multimap: - { - os << "insert_one (const key_type&" << ka << ", " << - "const value_type&" << va << ", " << - "void*" << da << ")"; - break; - } - case ck_set: - case ck_multiset: - { - os << "insert_one (const value_type&" << va << ", " << - "void*" << da << ")"; - break; - } - } - - os << "{"; - - if (!inverse) - { - os << "using namespace mysql;" - << endl - << "typedef container_statements< " << name << " > statements;" - << "statements& sts (*static_cast< statements* > (d));" - << "binding& b (sts.data_image_binding ());" - << "data_image_type& di (sts.data_image ());" - << endl; - - switch (ck) - { - case ck_ordered: - { - os << "init (di, " << (ordered ? "i, " : "") << "v);"; - break; - } - case ck_map: - case ck_multimap: - { - os << "init (di, k, v);"; - break; - } - case ck_set: - case ck_multiset: - { - os << "init (di, v);"; - break; - } - } - - os << endl - << "if (di.version != sts.data_image_version () || " << - "b.version == 0)" - << "{" - << "bind (b.bind, 0, di);" - << "sts.data_image_version (di.version);" - << "b.version++;" - << "}" - << "if (!sts.insert_one_statement ().execute ())" << endl - << "throw object_already_persistent ();"; - } - - os << "}"; - } - - - // load_all - // - os << "bool " << scope << "::" << endl; - - switch (ck) - { - case ck_ordered: - { - os << "load_all (index_type&" << (ordered ? " i" : "") << - ", value_type& v, void* d)"; - break; - } - case ck_map: - case ck_multimap: - { - os << "load_all (key_type& k, value_type& v, void* d)"; - break; - } - case ck_set: - case ck_multiset: - { - os << "load_all (value_type& v, void* d)"; - break; - } - } - - os << "{" - << "using namespace mysql;" - << endl - << "typedef container_statements< " << name << " > statements;" - << "statements& sts (*static_cast< statements* > (d));" - << "data_image_type& di (sts.data_image ());"; - - // Extract current element. - // - switch (ck) - { - case ck_ordered: - { - os << "init (" << (ordered ? "i, " : "") << - "v, di, sts.connection ().database ());" - << endl; - break; - } - case ck_map: - case ck_multimap: - { - os << "init (k, v, di, sts.connection ().database ());" - << endl; - break; - } - case ck_set: - case ck_multiset: - { - os << "init (v, di, sts.connection ().database ());" - << endl; - break; - } - } - - // If we are loading an eager pointer, then the call to init - // above executes other statements which potentially could - // change the image. - // - if (eager_ptr) - { - os << "id_image_type& ii (sts.id_image ());" - << endl - << "if (di.version != sts.data_image_version () ||" << endl - << "ii.version != sts.data_id_image_version ())" - << "{" - << "binding& b (sts.data_image_binding ());" - << "bind (b.bind, &ii, di);" - << "sts.data_image_version (di.version);" - << "sts.data_id_image_version (ii.version);" - << "b.version++;" - << "}"; - } - - // Fetch next. - // - os << "select_statement& st (sts.select_all_statement ());" - << "select_statement::result r (st.fetch ());"; - - if (grow) - os << endl - << "if (r == select_statement::truncated)" - << "{" - << "grow (di, sts.data_image_error ());" - << endl - << "if (di.version != sts.data_image_version ())" - << "{" - << "binding& b (sts.data_image_binding ());" - << "bind (b.bind, 0, di);" - << "sts.data_image_version (di.version);" - << "b.version++;" - << "st.refetch ();" - << "}" - << "}"; - - os << "if (r == select_statement::no_data)" - << "{" - << "st.free_result ();" - << "return false;" - << "}" - << "return true;" - << "}"; - - // delete_all - // - os << "void " << scope << "::" << endl - << "delete_all (void*" << (inverse ? "" : " d") << ")" - << "{"; - - if (!inverse) - os << "using namespace mysql;" - << endl - << "typedef container_statements< " << name << " > statements;" - << "statements& sts (*static_cast< statements* > (d));" - << "sts.delete_all_statement ().execute ();"; - - os << "}"; - - // persist - // - if (!inverse) - { - os << "void " << scope << "::" << endl - << "persist (const container_type& c," << endl - << "id_image_type& id," << endl - << "statements_type& sts)" - << "{" - << "using namespace mysql;" - << endl - << "binding& b (sts.data_image_binding ());" - << "if (id.version != sts.data_id_image_version () || " << - "b.version == 0)" - << "{" - << "bind (b.bind, &id, sts.data_image ());" - << "sts.data_id_image_version (id.version);" - << "b.version++;" - << "}" - << "sts.id_image (id);" - << "functions_type& fs (sts.functions ());"; - - if (ck == ck_ordered) - os << "fs.ordered (" << (ordered ? "true" : "false") << ");"; - - os << "container_traits::persist (c, fs);" - << "}"; - } - - // load - // - os << "void " << scope << "::" << endl - << "load (container_type& c," << endl - << "id_image_type& id," << endl - << "statements_type& sts)" - << "{" - << "using namespace mysql;" - << endl - << "binding& db (sts.data_image_binding ());" - << "if (id.version != sts.data_id_image_version () || db.version == 0)" - << "{" - << "bind (db.bind, &id, sts.data_image ());" - << "sts.data_id_image_version (id.version);" - << "db.version++;" - << "}" - << "binding& cb (sts.cond_image_binding ());" - << "if (id.version != sts.cond_id_image_version () || cb.version == 0)" - << "{" - << "bind (cb.bind, &id, sts.cond_image ());" - << "sts.cond_id_image_version (id.version);" - << "cb.version++;" - << "}" - << "select_statement& st (sts.select_all_statement ());" - << "st.execute ();"; - - // If we are loading eager object pointers, cache the result - // since we will be loading other objects. - // - if (eager_ptr) - os << "st.cache ();"; - - os << "select_statement::result r (st.fetch ());"; - - if (grow) - os << endl - << "if (r == select_statement::truncated)" - << "{" - << "data_image_type& di (sts.data_image ());" - << "grow (di, sts.data_image_error ());" - << endl - << "if (di.version != sts.data_image_version ())" - << "{" - << "bind (db.bind, 0, sts.data_image ());" - << "sts.data_image_version (di.version);" - << "db.version++;" - << "st.refetch ();" - << "}" - << "}"; - - os << "bool more (r != select_statement::no_data);" - << endl - << "if (!more)" << endl - << "st.free_result ();" - << endl - << "sts.id_image (id);" - << "functions_type& fs (sts.functions ());"; - - if (ck == ck_ordered) - os << "fs.ordered (" << (ordered ? "true" : "false") << ");"; - - os << "container_traits::load (c, more, fs);" - << "}"; - - // update - // - if (!inverse) - { - os << "void " << scope << "::" << endl - << "update (const container_type& c," << endl - << "id_image_type& id," << endl - << "statements_type& sts)" - << "{" - << "using namespace mysql;" - << endl - << "binding& db (sts.data_image_binding ());" - << "if (id.version != sts.data_id_image_version () || " << - "db.version == 0)" - << "{" - << "bind (db.bind, &id, sts.data_image ());" - << "sts.data_id_image_version (id.version);" - << "db.version++;" - << "}" - // - // We may need cond if the specialization calls delete_all. - // - << "binding& cb (sts.cond_image_binding ());" - << "if (id.version != sts.cond_id_image_version () || " << - "cb.version == 0)" - << "{" - << "bind (cb.bind, &id, sts.cond_image ());" - << "sts.cond_id_image_version (id.version);" - << "cb.version++;" - << "}" - << "sts.id_image (id);" - << "functions_type& fs (sts.functions ());"; - - if (ck == ck_ordered) - os << "fs.ordered (" << (ordered ? "true" : "false") << ");"; - - os << "container_traits::update (c, fs);" - << "}"; - } - - // erase - // - if (!inverse) - { - os << "void " << scope << "::" << endl - << "erase (id_image_type& id, statements_type& sts)" - << "{" - << "using namespace mysql;" - << endl - << "binding& b (sts.cond_image_binding ());" - << "if (id.version != sts.cond_id_image_version () || b.version == 0)" - << "{" - << "bind (b.bind, &id, sts.cond_image ());" - << "sts.cond_id_image_version (id.version);" - << "b.version++;" - << "}" - << "sts.id_image (id);" - << "functions_type& fs (sts.functions ());"; - - if (ck == ck_ordered) - os << "fs.ordered (" << (ordered ? "true" : "false") << ");"; - - os << "container_traits::erase (fs);" - << "}"; - } - } - - private: - string obj_scope_; - semantics::class_& object_; - semantics::data_member& id_member_; - }; - - // Container statement cache members. - // - struct container_cache_members: object_members_base, context - { - container_cache_members (context& c) - : object_members_base (c, true, false), context (c) - { - } - - virtual void - container (semantics::data_member& m) - { - string traits (prefix_ + public_name (m) + "_traits"); - os << "mysql::container_statements< " << traits << " > " << - prefix_ << m.name () << ";"; - } - }; - - struct container_cache_init_members: object_members_base, context - { - container_cache_init_members (context& c) - : object_members_base (c, true, false), context (c), first_ (true) - { - } - - virtual void - container (semantics::data_member& m) - { - if (first_) - { - os << endl - << ": "; - first_ = false; - } - else - os << "," << endl - << " "; - - os << prefix_ << m.name () << " (c)"; - } - - private: - bool first_; - }; - - // Calls for container members. - // - struct container_calls: object_members_base, context - { - enum call_type - { - persist_call, - load_call, - update_call, - erase_call - }; - - container_calls (context& c, call_type call) - : object_members_base (c, true, false), context (c), call_ (call) - { - } - - virtual void - composite (semantics::data_member& m, semantics::class_& c) - { - string old (obj_prefix_); - obj_prefix_ += m.name (); - obj_prefix_ += '.'; - object_members_base::composite (m, c); - obj_prefix_ = old; - } - - virtual void - container (semantics::data_member& m) - { - using semantics::type; - - bool inverse (context::inverse (m, "value")); - - string const& name (m.name ()); - string obj_name (obj_prefix_ + name); - string sts_name (prefix_ + name); - string traits (prefix_ + public_name (m) + "_traits"); - - switch (call_) - { - case persist_call: - { - if (!inverse) - os << traits << "::persist (" << endl - << "obj." << obj_name << "," << endl - << "i," << endl - << "sts.container_statment_cache ()." << sts_name << ");" - << endl; - break; - } - case load_call: - { - os << traits << "::load (" << endl - << "obj." << obj_name << "," << endl - << "i," << endl - << "sts.container_statment_cache ()." << sts_name << ");" - << endl; - break; - } - case update_call: - { - if (!inverse) - os << traits << "::update (" << endl - << "obj." << obj_name << "," << endl - << "i," << endl - << "sts.container_statment_cache ()." << sts_name << ");" - << endl; - break; - } - case erase_call: - { - if (!inverse) - os << traits << "::erase (" << endl - << "i," << endl - << "sts.container_statment_cache ()." << sts_name << ");" - << endl; - break; - } - } - } - - private: - call_type call_; - string obj_prefix_; - }; - - // - // - struct class_: traversal::class_, context - { - class_ (context& c) - : context (c), - grow_base_ (c, index_), - grow_member_ (c, index_), - bind_base_ (c), - bind_member_ (c), - bind_id_member_ (c, "id_"), - init_image_base_ (c), - init_image_member_ (c), - init_id_image_member_ (c, "id_", "id"), - init_value_base_ (c), - init_value_member_ (c), - init_id_value_member_ (c, "id"), - - schema_emitter_ (c), - schema_drop_ (c, schema_emitter_), - schema_create_ (c, schema_emitter_) - { - grow_base_inherits_ >> grow_base_; - grow_member_names_ >> grow_member_; - - bind_base_inherits_ >> bind_base_; - bind_member_names_ >> bind_member_; - - init_image_base_inherits_ >> init_image_base_; - init_image_member_names_ >> init_image_member_; - - init_value_base_inherits_ >> init_value_base_; - init_value_member_names_ >> init_value_member_; - } - - virtual void - traverse (type& c) - { - if (c.file () != unit.file ()) - return; - - if (c.count ("object")) - traverse_object (c); - else if (comp_value (c)) - traverse_value (c); - } - - virtual void - traverse_object (type& c) - { - string const& type (c.fq_name ()); - string traits ("access::object_traits< " + type + " >"); - - bool grow (context::grow (c)); - bool def_ctor (TYPE_HAS_DEFAULT_CONSTRUCTOR (c.tree_node ())); - - semantics::data_member& id (id_member (c)); - bool auto_id (id.count ("auto")); - bool grow_id (context::grow (id)); - - os << "// " << c.name () << endl - << "//" << endl - << endl; - - // - // Containers. - // - bool straight_containers (has_a (c, test_straight_container)); - bool containers (straight_containers || has_a (c, test_container)); - - // Statement cache (definition). - // - { - os << "struct " << traits << "::container_statement_cache_type" - << "{"; - - container_cache_members cm (*this); - cm.traverse (c); - - os << (containers ? "\n" : "") - << "container_statement_cache_type (mysql::connection&" << - (containers ? " c" : "") << ")"; - - container_cache_init_members im (*this); - im.traverse (c); - - os << "{" - << "}" - << "};"; - } - - // Traits types. - // - if (containers) - { - container_traits t (*this, c); - t.traverse (c); - } - - // query columns - // - if (options.generate_query ()) - { - query_columns t (*this, c); - t.traverse (c); - } - - string const& table (table_name (c)); - - // persist_statement - // - os << "const char* const " << traits << "::persist_statement =" << endl - << "\"INSERT INTO `" << table << "` (\"" << endl; - - { - object_columns t (*this, table, false); - t.traverse (c); - } - - os << "\"" << endl - << "\") VALUES ("; - - for (size_t i (0), n (in_column_count (c)); i < n; ++i) - os << (i != 0 ? "," : "") << '?'; - - os << ")\";" - << endl; - - // find_statement - // - os << "const char* const " << traits << "::find_statement =" << endl - << "\"SELECT \"" << endl; - - { - object_columns t (*this, table, true); - t.traverse (c); - } - - os << "\"" << endl - << "\" FROM `" << table << "`\"" << endl; - - { - object_joins t (*this, c, false); - t.traverse (c); - t.write (); - } - - os << "\" WHERE `" << table << "`.`" << column_name (id) << "` = ?\";" - << endl; - - // update_statement - // - os << "const char* const " << traits << "::update_statement =" << endl - << "\"UPDATE `" << table << "` SET \"" << endl; - - { - object_columns t (*this, table, false, " = ?"); - t.traverse (c); - } - - os << "\"" << endl - << "\" WHERE `" << table << "`.`" << column_name (id) << "` = ?\";" - << endl; - - // erase_statement - // - os << "const char* const " << traits << "::erase_statement =" << endl - << "\"DELETE FROM `" << table << "`\"" << endl - << "\" WHERE `" << table << "`.`" << column_name (id) << "` = ?\";" - << endl; - - // query_clause - // - if (options.generate_query ()) - { - object_joins oj (*this, c, true); - oj.traverse (c); - - // We only need DISTINCT if there are joins (object pointers) - // and can optimize it out otherwise. - // - os << "const char* const " << traits << "::query_clause =" << endl - << "\"SELECT " << (oj.count () ? "DISTINCT " : "") << "\"" << endl; - - { - object_columns oc (*this, table, true); - oc.traverse (c); - } - - os << "\"" << endl - << "\" FROM `" << table << "`\"" << endl; - - oj.write (); - - os << "\" \";" - << endl; - } - - // id - // - if (options.generate_query ()) - { - os << traits << "::id_type" << endl - << traits << "::" << endl - << "id (const image_type& i)" - << "{" - << "id_type id;"; - init_id_value_member_.traverse (id); - os << "return id;" - << "}"; - } - - // grow () - // - os << "void " << traits << "::" << endl - << "grow (image_type& i, my_bool* e)" - << "{" - << "bool grew (false);" - << endl; - - index_ = 0; - inherits (c, grow_base_inherits_); - names (c, grow_member_names_); - - os << "if (grew)" << endl - << "i.version++;" << endl - << "}"; - - // bind (image_type) - // - os << "void " << traits << "::" << endl - << "bind (MYSQL_BIND* b, image_type& i, bool out)" - << "{" - << "ODB_POTENTIALLY_UNUSED (out);" - << endl - << "std::size_t n (0);" - << endl; - - inherits (c, bind_base_inherits_); - names (c, bind_member_names_); - - os << "}"; - - // bind (id_image_type) - // - os << "void " << traits << "::" << endl - << "bind (MYSQL_BIND* b, id_image_type& i)" - << "{" - << "std::size_t n (0);"; - bind_id_member_.traverse (id); - os << "}"; - - // init (image, object) - // - os << "void " << traits << "::" << endl - << "init (image_type& i, const object_type& o)" - << "{" - << "bool grew (false);" - << endl; - - inherits (c, init_image_base_inherits_); - names (c, init_image_member_names_); - - os << "if (grew)" << endl - << "i.version++;" << endl - << "}"; - - // init (object, image) - // - os << "void " << traits << "::" << endl - << "init (object_type& o, const image_type& i, database& db)" - << "{" - << "ODB_POTENTIALLY_UNUSED (db);" - << endl; - - inherits (c, init_value_base_inherits_); - names (c, init_value_member_names_); - - os << "}"; - - // init (id_image, id) - // - os << "void " << traits << "::" << endl - << "init (id_image_type& i, const id_type& id)" - << "{"; - - if (grow_id) - os << "bool grew (false);"; - - init_id_image_member_.traverse (id); - - if (grow_id) - os << endl - << "if (grew)" << endl - << "i.version++;"; - - os << "}"; - - // persist () - // - os << "void " << traits << "::" << endl - << "persist (database&, " << (auto_id ? "" : "const ") << - "object_type& obj)" - << "{" - << "using namespace mysql;" - << endl - << "connection& conn (mysql::transaction::current ().connection ());" - << "object_statements< object_type >& sts (" << endl - << "conn.statement_cache ().find ());" - << "image_type& im (sts.image ());" - << "binding& imb (sts.in_image_binding ());" - << endl; - - if (auto_id) - os << "obj." << id.name () << " = 0;"; - - os << "init (im, obj);" - << endl - << "if (im.version != sts.in_image_version () || imb.version == 0)" - << "{" - << "bind (imb.bind, im, false);" - << "sts.in_image_version (im.version);" - << "imb.version++;" - << "}" - << "insert_statement& st (sts.persist_statement ());" - << "if (!st.execute ())" << endl - << "throw object_already_persistent ();" - << endl; - - if (auto_id) - os << "obj." << id.name () << " = static_cast (st.id ());" - << endl; - - if (straight_containers) - { - // Initialize id_image. - // - os << "id_image_type& i (sts.id_image ());" - << "init (i, obj." << id.name () << ");" - << endl; - - container_calls t (*this, container_calls::persist_call); - t.traverse (c); - } - - os << "}"; - - // update () - // - os << "void " << traits << "::" << endl - << "update (database&, const object_type& obj)" - << "{" - << "using namespace mysql;" - << endl - << "connection& conn (mysql::transaction::current ().connection ());" - << "object_statements< object_type >& sts (" << endl - << "conn.statement_cache ().find ());" - << endl; - - // Initialize id image. - // - os << "id_image_type& i (sts.id_image ());" - << "init (i, obj." << id.name () << ");" - << endl; - - os << "binding& idb (sts.id_image_binding ());" - << "if (i.version != sts.id_image_version () || idb.version == 0)" - << "{" - << "bind (idb.bind, i);" - << "sts.id_image_version (i.version);" - << "idb.version++;" - << "}"; - - // Initialize data image. - // - os << "image_type& im (sts.image ());" - << "binding& imb (sts.in_image_binding ());" - << "init (im, obj);" - << endl - << "if (im.version != sts.in_image_version () || imb.version == 0)" - << "{" - << "bind (imb.bind, im, false);" - << "sts.in_image_version (im.version);" - << "imb.version++;" - << "}" - << "sts.update_statement ().execute ();"; - - if (straight_containers) - { - os << endl; - container_calls t (*this, container_calls::update_call); - t.traverse (c); - } - - os << "}"; - - // erase () - // - os << "void " << traits << "::" << endl - << "erase (database&, const id_type& id)" - << "{" - << "using namespace mysql;" - << endl - << "connection& conn (mysql::transaction::current ().connection ());" - << "object_statements< object_type >& sts (" << endl - << "conn.statement_cache ().find ());" - << endl; - - // Initialize id image. - // - os << "id_image_type& i (sts.id_image ());" - << "init (i, id);" - << endl; - - os << "binding& idb (sts.id_image_binding ());" - << "if (i.version != sts.id_image_version () || idb.version == 0)" - << "{" - << "bind (idb.bind, i);" - << "sts.id_image_version (i.version);" - << "idb.version++;" - << "}" - << "if (sts.erase_statement ().execute () != 1)" << endl - << "throw object_not_persistent ();"; - - if (straight_containers) - { - os << endl; - container_calls t (*this, container_calls::erase_call); - t.traverse (c); - } - - os << "}"; - - // find () - // - if (def_ctor) - { - os << traits << "::pointer_type" << endl - << traits << "::" << endl - << "find (database& db, const id_type& id)" - << "{" - << "using namespace mysql;" - << endl - << "connection& conn (mysql::transaction::current ().connection ());" - << "object_statements< object_type >& sts (" << endl - << "conn.statement_cache ().find ());" - << "object_statements< object_type >::auto_lock l (sts);" - << endl - << "if (l.locked ())" - << "{" - << "if (!find_ (sts, id))" << endl - << "return pointer_type ();" - << "}" - << "pointer_type p (" << endl - << "access::object_factory< object_type, pointer_type >::create ());" - << "pointer_traits< pointer_type >::guard pg (p);" - << "pointer_cache_traits< pointer_type >::insert_guard ig (" << endl - << "pointer_cache_traits< pointer_type >::insert (db, id, p));" - << "object_type& obj (pointer_traits< pointer_type >::get_ref (p));" - << endl - << "if (l.locked ())" - << "{" - << "init (obj, sts.image (), db);" - << "load_ (sts, obj);" - << "sts.load_delayed ();" - << "l.unlock ();" - << "}" - << "else" << endl - << "sts.delay_load (id, obj, ig.position ());" - << endl; - - os << "ig.release ();" - << "pg.release ();" - << "return p;" - << "}"; - } - - os << "bool " << traits << "::" << endl - << "find (database& db, const id_type& id, object_type& obj)" - << "{" - << "using namespace mysql;" - << endl - << "connection& conn (mysql::transaction::current ().connection ());" - << "object_statements< object_type >& sts (" << endl - << "conn.statement_cache ().find ());" - << "object_statements< object_type >::auto_lock l (sts);" - << endl - << "if (l.locked ())" - << "{" - << "if (!find_ (sts, id))" << endl - << "return false;" - << "}" - << "reference_cache_traits< object_type >::insert_guard ig (" << endl - << "reference_cache_traits< object_type >::insert (db, id, obj));" - << endl - << "if (l.locked ())" - << "{" - << "init (obj, sts.image (), db);" - << "load_ (sts, obj);" - << "sts.load_delayed ();" - << "l.unlock ();" - << "}" - << "else" << endl - << "sts.delay_load (id, obj, ig.position ());" - << endl; - - os << "ig.release ();" - << "return true;" - << "}"; - - // - // - os << "bool " << traits << "::" << endl - << "find_ (mysql::object_statements< object_type >& sts, " << - "const id_type& id)" - << "{" - << "using namespace mysql;" - << endl; - - // Initialize id image. - // - os << "id_image_type& i (sts.id_image ());" - << "init (i, id);" - << endl; - - os << "binding& idb (sts.id_image_binding ());" - << "if (i.version != sts.id_image_version () || idb.version == 0)" - << "{" - << "bind (idb.bind, i);" - << "sts.id_image_version (i.version);" - << "idb.version++;" - << "}"; - - // Rebind data image. - // - os << "image_type& im (sts.image ());" - << "binding& imb (sts.out_image_binding ());" - << endl - << "if (im.version != sts.out_image_version () || imb.version == 0)" - << "{" - << "bind (imb.bind, im, true);" - << "sts.out_image_version (im.version);" - << "imb.version++;" - << "}" - << "select_statement& st (sts.find_statement ());" - << "st.execute ();" - << "select_statement::result r (st.fetch ());"; - - if (grow) - os << endl - << "if (r == select_statement::truncated)" - << "{" - << "grow (im, sts.out_image_error ());" - << endl - << "if (im.version != sts.out_image_version ())" - << "{" - << "bind (imb.bind, im, true);" - << "sts.out_image_version (im.version);" - << "imb.version++;" - << "st.refetch ();" - << "}" - << "}"; - - os << "st.free_result ();" - << "return r != select_statement::no_data;" - << "}"; - - // load_() - // - if (containers) - { - os << "void " << traits << "::" << endl - << "load_ (mysql::object_statements< object_type >& sts, " << - "object_type& obj)" - << "{" - << "id_image_type& i (sts.id_image ());" - << endl; - container_calls t (*this, container_calls::load_call); - t.traverse (c); - os << "}"; - } - - // query () - // - if (options.generate_query ()) - { - os << "template<>" << endl - << "result< " << traits << "::object_type >" << endl - << traits << "::" << endl - << "query< " << traits << "::object_type > (" << endl - << "database& db," << endl - << "const query_type& q)" - << "{" - << "using namespace mysql;" - << endl - << "connection& conn (mysql::transaction::current ().connection ());" - << endl - << "object_statements< object_type >& sts (" << endl - << "conn.statement_cache ().find ());" - << "details::shared_ptr st;" - << endl - << "query_ (db, q, sts, st);" - << endl - << "details::shared_ptr > r (" << endl - << "new (details::shared) mysql::result_impl (st, sts));" - << "return result (r);" - << "}"; - - os << "template<>" << endl - << "result< const " << traits << "::object_type >" << endl - << traits << "::" << endl - << "query< const " << traits << "::object_type > (" << endl - << "database& db," << endl - << "const query_type& q)" - << "{" - << "using namespace mysql;" - << endl - << "connection& conn (mysql::transaction::current ().connection ());" - << endl - << "object_statements< object_type >& sts (" << endl - << "conn.statement_cache ().find ());" - << "details::shared_ptr st;" - << endl - << "query_ (db, q, sts, st);" - << endl - << "details::shared_ptr > r (" << endl - << "new (details::shared) mysql::result_impl (st, sts));" - << "return result (r);" - << "}"; - - os << "void " << traits << "::" << endl - << "query_ (database&," << endl - << "const query_type& q," << endl - << "mysql::object_statements< object_type >& sts," - << "details::shared_ptr& st)" - << "{" - << "using namespace mysql;" - << endl - << "image_type& im (sts.image ());" - << "binding& imb (sts.out_image_binding ());" - << endl - << "if (im.version != sts.out_image_version () || imb.version == 0)" - << "{" - << "bind (imb.bind, im, true);" - << "sts.out_image_version (im.version);" - << "imb.version++;" - << "}" - << "st.reset (new (details::shared) select_statement (" << endl - << "sts.connection ()," << endl - << "query_clause + q.clause ()," << endl - << "q.parameters ()," << endl - << "imb));" - << "st->execute ();" - << "}"; - } - - // create_schema () - // - if (embedded_schema) - { - os << "void " << traits << "::" << endl - << "create_schema (database& db)" - << "{"; - - schema_drop_.traverse (c); - schema_create_.traverse (c); - - os << "}"; - - os << "static const schema_catalog_entry" << endl - << "schema_catalog_entry_" << flat_name (type) << "_ (" << endl - << strlit (options.default_schema ()) << "," << endl - << "&" << traits << "::create_schema);" - << endl; - } - } - - virtual void - traverse_value (type& c) - { - string const& type (c.fq_name ()); - string traits ("access::composite_value_traits< " + type + " >"); - - os << "// " << c.name () << endl - << "//" << endl - << endl; - - // grow () - // - os << "bool " << traits << "::" << endl - << "grow (image_type& i, my_bool* e)" - << "{" - << "ODB_POTENTIALLY_UNUSED (i);" - << "ODB_POTENTIALLY_UNUSED (e);" - << endl - << "bool grew (false);" - << endl; - - index_ = 0; - inherits (c, grow_base_inherits_); - names (c, grow_member_names_); - - os << "return grew;" - << "}"; - - // bind (image_type) - // - os << "void " << traits << "::" << endl - << "bind (MYSQL_BIND* b, image_type& i)" - << "{" - << "ODB_POTENTIALLY_UNUSED (b);" - << "ODB_POTENTIALLY_UNUSED (i);" - << endl - << "std::size_t n (0);" - << "ODB_POTENTIALLY_UNUSED (n);" - << endl; - - inherits (c, bind_base_inherits_); - names (c, bind_member_names_); - - os << "}"; - - // init (image, object) - // - os << "bool " << traits << "::" << endl - << "init (image_type& i, const value_type& o)" - << "{" - << "ODB_POTENTIALLY_UNUSED (i);" - << "ODB_POTENTIALLY_UNUSED (o);" - << endl - << "bool grew (false);" - << endl; - - inherits (c, init_image_base_inherits_); - names (c, init_image_member_names_); - - os << "return grew;" - << "}"; - - // init (object, image) - // - os << "void " << traits << "::" << endl - << "init (value_type& o, const image_type& i, database& db)" - << "{" - << "ODB_POTENTIALLY_UNUSED (o);" - << "ODB_POTENTIALLY_UNUSED (i);" - << "ODB_POTENTIALLY_UNUSED (db);" - << endl; - - inherits (c, init_value_base_inherits_); - names (c, init_value_member_names_); - - os << "}"; - } - - private: - bool id_; - size_t index_; - - grow_base grow_base_; - traversal::inherits grow_base_inherits_; - grow_member grow_member_; - traversal::names grow_member_names_; - - bind_base bind_base_; - traversal::inherits bind_base_inherits_; - bind_member bind_member_; - traversal::names bind_member_names_; - bind_member bind_id_member_; - - init_image_base init_image_base_; - traversal::inherits init_image_base_inherits_; - init_image_member init_image_member_; - traversal::names init_image_member_names_; - - init_image_member init_id_image_member_; - - init_value_base init_value_base_; - traversal::inherits init_value_base_inherits_; - init_value_member init_value_member_; - traversal::names init_value_member_names_; - init_value_member init_id_value_member_; - - schema_emitter schema_emitter_; - class_drop schema_drop_; - class_create schema_create_; - }; - } - - void - generate_source (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 " << endl; - - if (ctx.embedded_schema) - ctx.os << "#include " << endl; - - ctx.os << endl; - - // - // - ctx.os << "#include " << endl - << "#include " << endl - << "#include " << endl - << "#include " << endl - << "#include " << endl - << "#include " << endl - << "#include " << endl - << "#include " << endl - << "#include " << endl - << "#include " << endl; - - if (ctx.options.generate_query ()) - ctx.os << "#include " << endl; - - ctx.os << endl; - - // Details includes. - // - ctx.os << "#include " << endl; - - if (ctx.options.generate_query ()) - ctx.os << "#include " << endl; - - ctx.os << endl; - - ctx.os << "namespace odb" - << "{"; - - unit.dispatch (ctx.unit); - - ctx.os << "}"; - } -} diff --git a/odb/mysql/source.hxx b/odb/mysql/source.hxx deleted file mode 100644 index 43a051b..0000000 --- a/odb/mysql/source.hxx +++ /dev/null @@ -1,17 +0,0 @@ -// file : odb/mysql/source.hxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#ifndef ODB_MYSQL_SOURCE_HXX -#define ODB_MYSQL_SOURCE_HXX - -#include - -namespace mysql -{ - void - generate_source (context&); -} - -#endif // ODB_MYSQL_SOURCE_HXX diff --git a/odb/mysql/sql-schema.cxx b/odb/mysql/sql-schema.cxx deleted file mode 100644 index 7c71b24..0000000 --- a/odb/mysql/sql-schema.cxx +++ /dev/null @@ -1,98 +0,0 @@ -// file : odb/mysql/sql-schema.cxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#include -#include -#include - -using namespace std; - -namespace mysql -{ - namespace - { - struct schema_emitter: emitter, context - { - schema_emitter (context& c): context (c) {} - - virtual void - pre () - { - first_ = true; - } - - virtual void - line (const std::string& l) - { - if (first_) - first_ = false; - else - os << endl; - - os << l; - } - - virtual void - post () - { - os << ';' << endl - << endl; - } - - private: - bool first_; - }; - - static char const file_header[] = - "/* This file was generated by ODB, object-relational mapping (ORM)\n" - " * compiler for C++.\n" - " */\n\n"; - } - - void - generate_schema (context& ctx) - { - ctx.os << file_header; - schema_emitter emitter (ctx); - - // Drop. - // - { - traversal::unit unit; - traversal::defines unit_defines; - traversal::namespace_ ns; - class_drop c (ctx, emitter); - - unit >> unit_defines >> ns; - unit_defines >> c; - - traversal::defines ns_defines; - - ns >> ns_defines >> ns; - ns_defines >> c; - unit.dispatch (ctx.unit); - } - - ctx.os << endl; - - // Create. - // - { - traversal::unit unit; - traversal::defines unit_defines; - traversal::namespace_ ns; - class_create c (ctx, emitter); - - unit >> unit_defines >> ns; - unit_defines >> c; - - traversal::defines ns_defines; - - ns >> ns_defines >> ns; - ns_defines >> c; - unit.dispatch (ctx.unit); - } - } -} diff --git a/odb/mysql/sql-schema.hxx b/odb/mysql/sql-schema.hxx deleted file mode 100644 index fdbdf28..0000000 --- a/odb/mysql/sql-schema.hxx +++ /dev/null @@ -1,17 +0,0 @@ -// file : odb/mysql/sql-schema.hxx -// author : Boris Kolpackov -// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#ifndef ODB_MYSQL_SQL_SCHEMA_HXX -#define ODB_MYSQL_SQL_SCHEMA_HXX - -#include - -namespace mysql -{ - void - generate_schema (context&); -} - -#endif // ODB_MYSQL_SQL_SCHEMA_HXX -- cgit v1.1