http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/72ea8afd/depends/thirdparty/thrift/compiler/cpp/src/generate/t_c_glib_generator.cc ---------------------------------------------------------------------- diff --git a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_c_glib_generator.cc b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_c_glib_generator.cc deleted file mode 100644 index 47aa4d2..0000000 --- a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_c_glib_generator.cc +++ /dev/null @@ -1,4565 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * - * Contains some contributions under the Thrift Software License. - * Please see doc/old-thrift-license.txt in the Thrift distribution for - * details. - */ - -#include <fstream> -#include <iostream> -#include <string> -#include <vector> - -#include <ctype.h> - -#include "platform.h" -#include "t_oop_generator.h" - -using std::map; -using std::ofstream; -using std::ostringstream; -using std::string; -using std::stringstream; -using std::vector; - -static const string endl = "\n"; // avoid ostream << std::endl flushes - -/* forward declarations */ -string initial_caps_to_underscores(string name); -string underscores_to_initial_caps(string name); -string to_upper_case(string name); -string to_lower_case(string name); - -/** - * C code generator, using glib for C typing. - */ -class t_c_glib_generator : public t_oop_generator { -public: - /* constructor */ - t_c_glib_generator(t_program* program, - const map<string, string>& parsed_options, - const string& option_string) - : t_oop_generator(program) { - (void)parsed_options; - (void)option_string; - /* set the output directory */ - this->out_dir_base_ = "gen-c_glib"; - - /* set the namespace */ - this->nspace = program_->get_namespace("c_glib"); - - if (this->nspace.empty()) { - this->nspace = ""; - this->nspace_u = ""; - this->nspace_uc = ""; - this->nspace_lc = ""; - } else { - /* replace dots with underscores */ - char* tmp = strdup(this->nspace.c_str()); - for (unsigned int i = 0; i < strlen(tmp); i++) { - if (tmp[i] == '.') { - tmp[i] = '_'; - } - } - this->nspace = string(tmp, strlen(tmp)); - free(tmp); - - /* clean up the namespace for C. - * An input of 'namespace foo' should result in: - * - nspace = foo - for thrift objects and typedefs - * - nspace_u = Foo - for internal GObject prefixes - * - nspace_uc = FOO_ - for macro prefixes - * - nspace_lc = foo_ - for filename and method prefixes - * The underscores are there since uc and lc strings are used as file and - * variable prefixes. - */ - this->nspace_u = initial_caps_to_underscores(this->nspace); - this->nspace_uc = to_upper_case(this->nspace_u) + "_"; - this->nspace_lc = to_lower_case(this->nspace_u) + "_"; - } - } - - /* initialization and destruction */ - void init_generator(); - void close_generator(); - - /* generation functions */ - void generate_typedef(t_typedef* ttypedef); - void generate_enum(t_enum* tenum); - void generate_consts(vector<t_const*> consts); - void generate_struct(t_struct* tstruct); - void generate_service(t_service* tservice); - void generate_xception(t_struct* tstruct); - -private: - /* file streams */ - ofstream f_types_; - ofstream f_types_impl_; - ofstream f_header_; - ofstream f_service_; - - /* namespace variables */ - string nspace; - string nspace_u; - string nspace_uc; - string nspace_lc; - - /* helper functions */ - bool is_complex_type(t_type* ttype); - string type_name(t_type* ttype, bool in_typedef = false, bool is_const = false); - string property_type_name(t_type* ttype, bool in_typedef = false, bool is_const = false); - string base_type_name(t_base_type* type); - string type_to_enum(t_type* type); - string constant_literal(t_type* type, t_const_value* value); - string constant_value(string name, t_type* type, t_const_value* value); - string function_signature(t_function* tfunction); - string argument_list(t_struct* tstruct); - string xception_list(t_struct* tstruct); - string declare_field(t_field* tfield, - bool init = false, - bool pointer = false, - bool constant = false, - bool reference = false); - void declare_local_variable(ofstream& out, t_type* ttype, string& base_name); - - /* generation functions */ - void generate_const_initializer(string name, t_type* type, t_const_value* value); - void generate_service_helpers(t_service* tservice); - void generate_service_client(t_service* tservice); - void generate_service_handler(t_service* tservice); - void generate_service_processor(t_service* tservice); - void generate_service_server(t_service* tservice); - void generate_object(t_struct* tstruct); - void generate_struct_writer(ofstream& out, - t_struct* tstruct, - string this_name, - string this_get = "", - bool is_function = true); - void generate_struct_reader(ofstream& out, - t_struct* tstruct, - string this_name, - string this_get = "", - bool is_function = true); - - void generate_serialize_field(ofstream& out, - t_field* tfield, - string prefix, - string suffix, - int error_ret); - void generate_serialize_struct(ofstream& out, t_struct* tstruct, string prefix, int error_ret); - void generate_serialize_container(ofstream& out, t_type* ttype, string prefix, int error_ret); - void generate_serialize_map_element(ofstream& out, - t_map* tmap, - string key, - string value, - int error_ret); - void generate_serialize_set_element(ofstream& out, t_set* tset, string element, int error_ret); - void generate_serialize_list_element(ofstream& out, - t_list* tlist, - string list, - string index, - int error_ret); - - void generate_deserialize_field(ofstream& out, - t_field* tfield, - string prefix, - string suffix, - int error_ret, - bool allocate = true); - void generate_deserialize_struct(ofstream& out, - t_struct* tstruct, - string prefix, - int error_ret, - bool allocate = true); - void generate_deserialize_container(ofstream& out, t_type* ttype, string prefix, int error_ret); - void generate_deserialize_map_element(ofstream& out, t_map* tmap, string prefix, int error_ret); - void generate_deserialize_set_element(ofstream& out, t_set* tset, string prefix, int error_ret); - void generate_deserialize_list_element(ofstream& out, - t_list* tlist, - string prefix, - string index, - int error_ret); - - string generate_new_hash_from_type(t_type* key, t_type* value); - string generate_new_array_from_type(t_type* ttype); - - string generate_free_func_from_type(t_type* ttype); - string generate_hash_func_from_type(t_type* ttype); - string generate_cmp_func_from_type(t_type* ttype); -}; - -/** - * Prepare for file generation by opening up the necessary file - * output streams. - */ -void t_c_glib_generator::init_generator() { - /* create output directory */ - MKDIR(get_out_dir().c_str()); - - string program_name_u = initial_caps_to_underscores(program_name_); - string program_name_uc = to_upper_case(program_name_u); - string program_name_lc = to_lower_case(program_name_u); - - /* create output files */ - string f_types_name = get_out_dir() + this->nspace_lc + program_name_lc + "_types.h"; - f_types_.open(f_types_name.c_str()); - string f_types_impl_name = get_out_dir() + this->nspace_lc + program_name_lc + "_types.c"; - f_types_impl_.open(f_types_impl_name.c_str()); - - /* add thrift boilerplate headers */ - f_types_ << autogen_comment(); - f_types_impl_ << autogen_comment(); - - /* include inclusion guard */ - f_types_ << "#ifndef " << this->nspace_uc << program_name_uc << "_TYPES_H" << endl << "#define " - << this->nspace_uc << program_name_uc << "_TYPES_H" << endl << endl; - - /* include base types */ - f_types_ << "/* base includes */" << endl << "#include <glib-object.h>" << endl - << "#include <thrift/c_glib/thrift_struct.h>" << endl - << "#include <thrift/c_glib/protocol/thrift_protocol.h>" << endl; - - /* include other thrift includes */ - const vector<t_program*>& includes = program_->get_includes(); - for (size_t i = 0; i < includes.size(); ++i) { - f_types_ << "/* other thrift includes */" << endl << "#include \"" << this->nspace_lc - << initial_caps_to_underscores(includes[i]->get_name()) << "_types.h\"" << endl; - } - f_types_ << endl; - - /* include custom headers */ - const vector<string>& c_includes = program_->get_c_includes(); - f_types_ << "/* custom thrift includes */" << endl; - for (size_t i = 0; i < c_includes.size(); ++i) { - if (c_includes[i][0] == '<') { - f_types_ << "#include " << c_includes[i] << endl; - } else { - f_types_ << "#include \"" << c_includes[i] << "\"" << endl; - } - } - f_types_ << endl; - - /* include math.h (for "INFINITY") in the implementation file, in case we - encounter a struct with a member of type double */ - f_types_impl_ << endl << "#include <math.h>" << endl; - - // include the types file - f_types_impl_ << endl << "#include \"" << this->nspace_lc << program_name_u << "_types.h\"" - << endl << "#include <thrift/c_glib/thrift.h>" << endl << endl; - - f_types_ << "/* begin types */" << endl << endl; -} - -/** - * Finish up generation and close all file streams. - */ -void t_c_glib_generator::close_generator() { - string program_name_uc = to_upper_case(initial_caps_to_underscores(program_name_)); - - /* end the header inclusion guard */ - f_types_ << "#endif /* " << this->nspace_uc << program_name_uc << "_TYPES_H */" << endl; - - /* close output file */ - f_types_.close(); - f_types_impl_.close(); -} - -/** - * Generates a Thrift typedef in C code. For example: - * - * Thrift: - * typedef map<i32,i32> SomeMap - * - * C: - * typedef GHashTable * ThriftSomeMap; - */ -void t_c_glib_generator::generate_typedef(t_typedef* ttypedef) { - f_types_ << indent() << "typedef " << type_name(ttypedef->get_type(), true) << " " << this->nspace - << ttypedef->get_symbolic() << ";" << endl << endl; -} - -/** - * Generates a C enumeration. For example: - * - * Thrift: - * enum MyEnum { - * ONE = 1, - * TWO - * } - * - * C: - * enum _ThriftMyEnum { - * THRIFT_MY_ENUM_ONE = 1, - * THRIFT_MY_ENUM_TWO - * }; - * typedef enum _ThriftMyEnum ThriftMyEnum; - */ -void t_c_glib_generator::generate_enum(t_enum* tenum) { - string name = tenum->get_name(); - string name_uc = to_upper_case(initial_caps_to_underscores(name)); - - f_types_ << indent() << "enum _" << this->nspace << name << " {" << endl; - - indent_up(); - - vector<t_enum_value*> constants = tenum->get_constants(); - vector<t_enum_value*>::iterator c_iter; - bool first = true; - - /* output each of the enumeration elements */ - for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { - if (first) { - first = false; - } else { - f_types_ << "," << endl; - } - - f_types_ << indent() << this->nspace_uc << name_uc << "_" << (*c_iter)->get_name(); - f_types_ << " = " << (*c_iter)->get_value(); - } - - indent_down(); - f_types_ << endl << "};" << endl << "typedef enum _" << this->nspace << name << " " - << this->nspace << name << ";" << endl << endl; - - f_types_ << "/* return the name of the constant */" << endl; - f_types_ << "const char *" << endl; - f_types_ << "toString_" << name << "(int value); " << endl << endl; - ; - f_types_impl_ << "/* return the name of the constant */" << endl; - f_types_impl_ << "const char *" << endl; - f_types_impl_ << "toString_" << name << "(int value) " << endl; - f_types_impl_ << "{" << endl; - f_types_impl_ << " static __thread char buf[16] = {0};" << endl; - f_types_impl_ << " switch(value) {" << endl; - for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { - f_types_impl_ << " case " << this->nspace_uc << name_uc << "_" << (*c_iter)->get_name() << ":" - << "return \"" << this->nspace_uc << name_uc << "_" << (*c_iter)->get_name() - << "\";" << endl; - } - f_types_impl_ << " default: g_snprintf(buf, 16, \"%d\", value); return buf;" << endl; - f_types_impl_ << " }" << endl; - f_types_impl_ << "}" << endl << endl; -} - -/** - * Generates Thrift constants in C code. - */ -void t_c_glib_generator::generate_consts(vector<t_const*> consts) { - f_types_ << "/* constants */" << endl; - f_types_impl_ << "/* constants */" << endl; - - vector<t_const*>::iterator c_iter; - for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { - string name = (*c_iter)->get_name(); - string name_uc = to_upper_case(name); - string name_lc = to_lower_case(name); - t_type* type = (*c_iter)->get_type(); - t_const_value* value = (*c_iter)->get_value(); - - f_types_ << indent() << "#define " << this->nspace_uc << name_uc << " " - << constant_value(name_lc, type, value) << endl; - - generate_const_initializer(name_lc, type, value); - } - - f_types_ << endl; - f_types_impl_ << endl; -} - -/** - * Generate Thrift structs in C code, as GObjects. Example: - * - * Thrift: - * struct Bonk - * { - * 1: string message, - * 2: i32 type - * } - * - * C GObject instance header: - * struct _ThriftBonk - * { - * GObject parent; - * - * gchar * message; - * gint32 type; - * }; - * typedef struct _ThriftBonk ThriftBonk - * // ... additional GObject boilerplate ... - */ -void t_c_glib_generator::generate_struct(t_struct* tstruct) { - f_types_ << "/* struct " << tstruct->get_name() << " */" << endl; - generate_object(tstruct); -} - -/** - * Generate C code to represent Thrift services. Creates a new GObject - * which can be used to access the service. - */ -void t_c_glib_generator::generate_service(t_service* tservice) { - string svcname_u = initial_caps_to_underscores(tservice->get_name()); - string svcname_uc = this->nspace_uc + to_upper_case(svcname_u); - string filename = this->nspace_lc + to_lower_case(svcname_u); - - // make output files - string f_header_name = get_out_dir() + filename + ".h"; - f_header_.open(f_header_name.c_str()); - - string program_name_u = initial_caps_to_underscores(program_name_); - string program_name_lc = to_lower_case(program_name_u); - - // add header file boilerplate - f_header_ << autogen_comment(); - - // add an inclusion guard - f_header_ << "#ifndef " << svcname_uc << "_H" << endl << "#define " << svcname_uc << "_H" << endl - << endl; - - // add standard includes - f_header_ << "#include <thrift/c_glib/processor/thrift_dispatch_processor.h>" << endl << endl; - f_header_ << "#include \"" << this->nspace_lc << program_name_lc << "_types.h\"" << endl; - - // if we are inheriting from another service, include its header - t_service* extends_service = tservice->get_extends(); - if (extends_service != NULL) { - f_header_ << "#include \"" << this->nspace_lc - << to_lower_case(initial_caps_to_underscores(extends_service->get_name())) << ".h\"" - << endl; - } - f_header_ << endl; - - // create the service implementation - string f_service_name = get_out_dir() + filename + ".c"; - f_service_.open(f_service_name.c_str()); - - // add the boilerplace header - f_service_ << autogen_comment(); - - // include the headers - f_service_ << "#include <string.h>" << endl << "#include <thrift/c_glib/thrift.h>" << endl - << "#include <thrift/c_glib/thrift_application_exception.h>" << endl << "#include \"" - << filename << ".h\"" << endl << endl; - - // generate the service-helper classes - generate_service_helpers(tservice); - - // generate the client objects - generate_service_client(tservice); - - // generate the server objects - generate_service_server(tservice); - - // end the header inclusion guard - f_header_ << "#endif /* " << svcname_uc << "_H */" << endl; - - // close the files - f_service_.close(); - f_header_.close(); -} - -/** - * - */ -void t_c_glib_generator::generate_xception(t_struct* tstruct) { - string name = tstruct->get_name(); - string name_u = initial_caps_to_underscores(name); - string name_lc = to_lower_case(name_u); - string name_uc = to_upper_case(name_u); - - generate_object(tstruct); - - f_types_ << "/* exception */" << endl - << "typedef enum" << endl - << "{" << endl; - indent_up(); - f_types_ << indent() << this->nspace_uc << name_uc << "_ERROR_CODE" << endl; - indent_down(); - f_types_ << "} " << this->nspace << name << "Error;" << endl - << endl - << "GQuark " << this->nspace_lc << name_lc - << "_error_quark (void);" << endl - << "#define " << this->nspace_uc << name_uc << "_ERROR (" - << this->nspace_lc << name_lc << "_error_quark())" << endl - << endl - << endl; - - f_types_impl_ << "/* define the GError domain for exceptions */" << endl << "#define " - << this->nspace_uc << name_uc << "_ERROR_DOMAIN \"" << this->nspace_lc << name_lc - << "_error_quark\"" << endl << "GQuark" << endl << this->nspace_lc << name_lc - << "_error_quark (void)" << endl << "{" << endl - << " return g_quark_from_static_string (" << this->nspace_uc << name_uc - << "_ERROR_DOMAIN);" << endl << "}" << endl << endl; -} - -/******************** - * HELPER FUNCTIONS * - ********************/ - -/** - * Returns true if ttype is not a primitive. - */ -bool t_c_glib_generator::is_complex_type(t_type* ttype) { - ttype = get_true_type(ttype); - - return ttype->is_container() || ttype->is_struct() || ttype->is_xception(); -} - -/** - * Maps a Thrift t_type to a C type. - */ -string t_c_glib_generator::type_name(t_type* ttype, bool in_typedef, bool is_const) { - if (ttype->is_base_type()) { - string bname = base_type_name((t_base_type*)ttype); - - if (is_const) { - return "const " + bname; - } else { - return bname; - } - } - - if (ttype->is_container()) { - string cname; - - t_container* tcontainer = (t_container*)ttype; - if (tcontainer->has_cpp_name()) { - cname = tcontainer->get_cpp_name(); - } else if (ttype->is_map()) { - cname = "GHashTable"; - } else if (ttype->is_set()) { - // since a set requires unique elements, use a GHashTable, and - // populate the keys and values with the same data, using keys for - // the actual writes and reads. - // TODO: discuss whether or not to implement TSet, THashSet or GHashSet - cname = "GHashTable"; - } else if (ttype->is_list()) { - // TODO: investigate other implementations besides GPtrArray - cname = "GPtrArray"; - t_type* etype = ((t_list*)ttype)->get_elem_type(); - if (etype->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)etype)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "compiler error: cannot determine array type"; - case t_base_type::TYPE_BOOL: - case t_base_type::TYPE_BYTE: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - case t_base_type::TYPE_DOUBLE: - cname = "GArray"; - break; - case t_base_type::TYPE_STRING: - break; - default: - throw "compiler error: no array info for type"; - } - } - } - - /* Omit the dereference operator if we are aliasing this type within a - typedef, to allow the type to be used more naturally in client code; - otherwise, include it */ - if (!in_typedef) { - cname += " *"; - } - - if (is_const) { - return "const " + cname; - } else { - return cname; - } - } - - // check for a namespace - string pname = this->nspace + ttype->get_name(); - - if (is_complex_type(ttype)) { - pname += " *"; - } - - if (is_const) { - return "const " + pname; - } else { - return pname; - } -} - -/** - * Maps a Thrift primitive to the type needed to hold its value when used as an - * object property. - * - * This method is needed because all integer properties of width less than 64 - * bits map to the same type, gint, as opposed to their width-specific type - * (gint8, gint16 or gint32). - */ -string t_c_glib_generator::property_type_name(t_type* ttype, bool in_typedef, bool is_const) { - string result; - - if (ttype->is_base_type()) { - switch (((t_base_type*)ttype)->get_base()) { - case t_base_type::TYPE_BYTE: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - if (is_const) { - result = "const gint"; - } else { - result = "gint"; - } - break; - - default: - result = type_name(ttype, in_typedef, is_const); - } - } else { - result = type_name(ttype, in_typedef, is_const); - } - - return result; -} - -/** - * Maps a Thrift primitive to a C primitive. - */ -string t_c_glib_generator::base_type_name(t_base_type* type) { - t_base_type::t_base tbase = type->get_base(); - - switch (tbase) { - case t_base_type::TYPE_VOID: - return "void"; - case t_base_type::TYPE_STRING: - if (type->is_binary()) { - return "GByteArray *"; - } else { - return "gchar *"; - } - case t_base_type::TYPE_BOOL: - return "gboolean"; - case t_base_type::TYPE_BYTE: - return "gint8"; - case t_base_type::TYPE_I16: - return "gint16"; - case t_base_type::TYPE_I32: - return "gint32"; - case t_base_type::TYPE_I64: - return "gint64"; - case t_base_type::TYPE_DOUBLE: - return "gdouble"; - default: - throw "compiler error: no C base type name for base type " + t_base_type::t_base_name(tbase); - } -} - -/** - * Returns a member of the ThriftType C enumeration in thrift_protocol.h - * for a Thrift type. - */ -string t_c_glib_generator::type_to_enum(t_type* type) { - type = get_true_type(type); - - if (type->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); - - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "NO T_VOID CONSTRUCT"; - case t_base_type::TYPE_STRING: - return "T_STRING"; - case t_base_type::TYPE_BOOL: - return "T_BOOL"; - case t_base_type::TYPE_BYTE: - return "T_BYTE"; - case t_base_type::TYPE_I16: - return "T_I16"; - case t_base_type::TYPE_I32: - return "T_I32"; - case t_base_type::TYPE_I64: - return "T_I64"; - case t_base_type::TYPE_DOUBLE: - return "T_DOUBLE"; - } - } else if (type->is_enum()) { - return "T_I32"; - } else if (type->is_struct()) { - return "T_STRUCT"; - } else if (type->is_xception()) { - return "T_STRUCT"; - } else if (type->is_map()) { - return "T_MAP"; - } else if (type->is_set()) { - return "T_SET"; - } else if (type->is_list()) { - return "T_LIST"; - } - - throw "INVALID TYPE IN type_to_enum: " + type->get_name(); -} - -/** - * Returns a Thrift constant formatted as a literal for inclusion in C code. - */ -string t_c_glib_generator::constant_literal(t_type* type, t_const_value* value) { - ostringstream render; - - if (type->is_base_type()) { - /* primitives */ - t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); - - switch (tbase) { - case t_base_type::TYPE_STRING: - render << "\"" + value->get_string() + "\""; - break; - case t_base_type::TYPE_BOOL: - render << ((value->get_integer() != 0) ? "TRUE" : "FALSE"); - break; - case t_base_type::TYPE_BYTE: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - render << value->get_integer(); - break; - case t_base_type::TYPE_DOUBLE: - render << value->get_double(); - break; - default: - throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase); - } - } else { - t_const_value::t_const_value_type value_type = value->get_type(); - - switch (value_type) { - case t_const_value::CV_IDENTIFIER: - render << value->get_integer(); - break; - case t_const_value::CV_LIST: - render << "{ "; - { - t_type* elem_type = ((t_list*)type)->get_elem_type(); - const vector<t_const_value*>& list = value->get_list(); - vector<t_const_value*>::const_iterator list_iter; - - if (list.size() > 0) { - list_iter = list.begin(); - render << constant_literal(elem_type, *list_iter); - - while (++list_iter != list.end()) { - render << ", " << constant_literal(elem_type, *list_iter); - } - } - } - render << " }"; - break; - case t_const_value::CV_MAP: - default: - render << "NULL /* not supported */"; - } - } - - return render.str(); -} - -/** - * Returns C code that represents a Thrift constant. - */ -string t_c_glib_generator::constant_value(string name, t_type* type, t_const_value* value) { - ostringstream render; - - if (type->is_base_type()) { - /* primitives */ - t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); - switch (tbase) { - case t_base_type::TYPE_STRING: - render << "g_strdup (\"" + value->get_string() + "\")"; - break; - case t_base_type::TYPE_BOOL: - render << ((value->get_integer() != 0) ? 1 : 0); - break; - case t_base_type::TYPE_BYTE: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - render << value->get_integer(); - break; - case t_base_type::TYPE_DOUBLE: - if (value->get_type() == t_const_value::CV_INTEGER) { - render << value->get_integer(); - } else { - render << value->get_double(); - } - break; - default: - throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - render << "(" << type_name(type) << ")" << value->get_integer(); - } else if (type->is_struct() || type->is_xception() || type->is_list() || type->is_set() - || type->is_map()) { - render << "(" << this->nspace_lc << to_lower_case(name) << "_constant())"; - } else { - render << "NULL /* not supported */"; - } - - return render.str(); -} - -/** - * Renders a function signature of the form 'type name(args)' - * - * @param tfunction Function definition - * @return String of rendered function definition - */ -string t_c_glib_generator::function_signature(t_function* tfunction) { - t_type* ttype = tfunction->get_returntype(); - t_struct* arglist = tfunction->get_arglist(); - t_struct* xlist = tfunction->get_xceptions(); - string fname = initial_caps_to_underscores(tfunction->get_name()); - - bool has_return = !ttype->is_void(); - bool has_args = arglist->get_members().size() == 0; - bool has_xceptions = xlist->get_members().size() == 0; - return "gboolean " + this->nspace_lc + fname + " (" + this->nspace + service_name_ + "If * iface" - + (has_return ? ", " + type_name(ttype) + "* _return" : "") - + (has_args ? "" : (", " + argument_list(arglist))) - + (has_xceptions ? "" : (", " + xception_list(xlist))) + ", GError ** error)"; -} - -/** - * Renders a field list - * - * @param tstruct The struct definition - * @return Comma sepearated list of all field names in that struct - */ -string t_c_glib_generator::argument_list(t_struct* tstruct) { - string result = ""; - - const vector<t_field*>& fields = tstruct->get_members(); - vector<t_field*>::const_iterator f_iter; - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if (first) { - first = false; - } else { - result += ", "; - } - result += type_name((*f_iter)->get_type(), false, true) + " " + (*f_iter)->get_name(); - } - return result; -} - -/** - * Renders mutable exception lists - * - * @param tstruct The struct definition - * @return Comma sepearated list of all field names in that struct - */ -string t_c_glib_generator::xception_list(t_struct* tstruct) { - string result = ""; - - const vector<t_field*>& fields = tstruct->get_members(); - vector<t_field*>::const_iterator f_iter; - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if (first) { - first = false; - } else { - result += ", "; - } - result += type_name((*f_iter)->get_type(), false, false) + "* " + (*f_iter)->get_name(); - } - return result; -} - -/** - * Declares a field, including any necessary initialization. - */ -string t_c_glib_generator::declare_field(t_field* tfield, - bool init, - bool pointer, - bool constant, - bool reference) { - string result = ""; - if (constant) { - result += "const "; - } - result += type_name(tfield->get_type()); - if (pointer) { - result += "*"; - } - if (reference) { - result += "*"; - } - result += " " + tfield->get_name(); - if (init) { - t_type* type = get_true_type(tfield->get_type()); - - if (type->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - break; - case t_base_type::TYPE_BOOL: - case t_base_type::TYPE_BYTE: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - result += " = 0"; - break; - case t_base_type::TYPE_DOUBLE: - result += " = (gdouble) 0"; - break; - case t_base_type::TYPE_STRING: - result += " = NULL"; - break; - default: - throw "compiler error: no C intializer for base type " + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - result += " = (" + type_name(type) + ") 0"; - } else if (type->is_struct() || type->is_container()) { - result += " = NULL"; - } - } - - if (!reference) { - result += ";"; - } - - return result; -} - -/** - * Generates C code that initializes complex constants. - */ -void t_c_glib_generator::generate_const_initializer(string name, - t_type* type, - t_const_value* value) { - string name_u = initial_caps_to_underscores(name); - string name_lc = to_lower_case(name_u); - string type_u = initial_caps_to_underscores(type->get_name()); - string type_uc = to_upper_case(type_u); - - if (type->is_struct() || type->is_xception()) { - const vector<t_field*>& fields = ((t_struct*)type)->get_members(); - vector<t_field*>::const_iterator f_iter; - const map<t_const_value*, t_const_value*>& val = value->get_map(); - map<t_const_value*, t_const_value*>::const_iterator v_iter; - ostringstream initializers; - - // initialize any constants that may be referenced by this initializer - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - t_type* field_type = NULL; - string field_name = ""; - - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if ((*f_iter)->get_name() == v_iter->first->get_string()) { - field_type = (*f_iter)->get_type(); - field_name = (*f_iter)->get_name(); - } - } - if (field_type == NULL) { - throw "type error: " + type->get_name() + " has no field " - + v_iter->first->get_string(); - } - field_name = tmp(field_name); - - generate_const_initializer(name + "_constant_" + field_name, - field_type, - v_iter->second); - initializers << " constant->" << v_iter->first->get_string() << " = " - << constant_value(name + "_constant_" + field_name, - field_type, - v_iter->second) << ";" << endl - << " constant->__isset_" << v_iter->first->get_string() - << " = TRUE;" << endl; - } - - // implement the initializer - f_types_impl_ << "static " << this->nspace << type->get_name() << " *" - << endl - << this->nspace_lc << name_lc << "_constant (void)" << endl; - scope_up(f_types_impl_); - f_types_impl_ << indent() << "static " << this->nspace << type->get_name() - << " *constant = NULL;" << endl - << indent() << "if (constant == NULL)" << endl; - scope_up(f_types_impl_); - f_types_impl_ << indent() << "constant = g_object_new (" << this->nspace_uc - << "TYPE_" << type_uc << ", NULL);" << endl - << initializers.str(); - scope_down(f_types_impl_); - f_types_impl_ << indent() << "return constant;" << endl; - scope_down(f_types_impl_); - f_types_impl_ << endl; - } else if (type->is_list()) { - string list_type = "GPtrArray *"; - // TODO: This initialization should contain a free function for container - string list_initializer = "g_ptr_array_new();"; - string list_appender = "g_ptr_array_add"; - bool list_variable = false; - - t_type* etype = ((t_list*)type)->get_elem_type(); - const vector<t_const_value*>& val = value->get_list(); - vector<t_const_value*>::const_iterator v_iter; - ostringstream initializers; - ostringstream appenders; - - list_initializer = generate_new_array_from_type(etype); - if (etype->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)etype)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "compiler error: cannot determine array type"; - case t_base_type::TYPE_BOOL: - case t_base_type::TYPE_BYTE: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - case t_base_type::TYPE_DOUBLE: - list_type = "GArray *"; - list_appender = "g_array_append_val"; - list_variable = true; - break; - case t_base_type::TYPE_STRING: - break; - default: - throw "compiler error: no array info for type"; - } - } - - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - string fname = tmp(name); - - generate_const_initializer(fname, etype, (*v_iter)); - if (list_variable) { - initializers << " " << type_name(etype) << " " << fname << " = " - << constant_value(fname, (t_type*)etype, (*v_iter)) << ";" - << endl; - appenders << " " << list_appender << "(constant, " << fname << ");" - << endl; - } else { - appenders << " " << list_appender << "(constant, " - << constant_value(fname, (t_type*)etype, (*v_iter)) << ");" - << endl; - } - } - - f_types_impl_ << "static " << list_type << endl - << this->nspace_lc << name_lc << "_constant (void)" << endl; - scope_up(f_types_impl_); - f_types_impl_ << indent() << "static " << list_type << " constant = NULL;" - << endl - << indent() << "if (constant == NULL)" << endl; - scope_up(f_types_impl_); - if (!initializers.str().empty()) { - f_types_impl_ << initializers.str() - << endl; - } - f_types_impl_ << indent() << "constant = " << list_initializer << endl - << appenders.str(); - scope_down(f_types_impl_); - f_types_impl_ << indent() << "return constant;" << endl; - scope_down(f_types_impl_); - f_types_impl_ << endl; - } else if (type->is_set()) { - t_type* etype = ((t_set*)type)->get_elem_type(); - const vector<t_const_value*>& val = value->get_list(); - vector<t_const_value*>::const_iterator v_iter; - ostringstream initializers; - ostringstream appenders; - - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - string fname = tmp(name); - generate_const_initializer(fname, etype, (*v_iter)); - initializers << " " << type_name(etype) << " " << fname << " = " - << constant_value(fname, (t_type*)etype, (*v_iter)) << ";" - << endl; - appenders << " g_hash_table_insert (constant, &" << fname << ", &" - << fname << ");" << endl; - } - - f_types_impl_ << "static GHashTable *" << endl - << this->nspace_lc << name_lc << "_constant (void)" << endl; - scope_up(f_types_impl_); - f_types_impl_ << indent() << "static GHashTable *constant = NULL;" << endl - << indent() << "if (constant == NULL)" << endl; - scope_up(f_types_impl_); - f_types_impl_ << initializers.str() - << endl - // TODO: This initialization should contain a free function - // for elements - << indent() << "constant = g_hash_table_new (NULL, NULL);" - << endl - << appenders.str(); - scope_down(f_types_impl_); - f_types_impl_ << indent() << "return constant;" << endl; - scope_down(f_types_impl_); - f_types_impl_ << endl; - } else if (type->is_map()) { - t_type* ktype = ((t_map*)type)->get_key_type(); - t_type* vtype = ((t_map*)type)->get_val_type(); - const vector<t_const_value*>& val = value->get_list(); - vector<t_const_value*>::const_iterator v_iter; - ostringstream initializers; - ostringstream appenders; - - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - string fname = tmp(name); - string kname = fname + "key"; - string vname = fname + "val"; - generate_const_initializer(kname, ktype, (*v_iter)); - generate_const_initializer(vname, vtype, (*v_iter)); - - initializers << " " << type_name(ktype) << " " << kname << " = " - << constant_value(kname, (t_type*)ktype, (*v_iter)) << ";" - << endl - << " " << type_name(vtype) << " " << vname << " = " - << constant_value(vname, (t_type*)vtype, (*v_iter)) << ";" - << endl; - appenders << " g_hash_table_insert (constant, &" << fname << ", &" - << fname << ");" - << endl; - } - - f_types_impl_ << "static GHashTable *" << endl - << this->nspace_lc << name_lc << "_constant (void)" << endl; - scope_up(f_types_impl_); - f_types_impl_ << indent() << "static GHashTable *constant = NULL;" << endl - << indent() << "if (constant == NULL)" << endl; - scope_up(f_types_impl_); - f_types_impl_ << initializers.str() - << endl - // TODO: This initialization should contain a free function - // for elements - << indent() << "constant = g_hash_table_new (NULL, NULL);" - << endl - << appenders.str(); - scope_down(f_types_impl_); - f_types_impl_ << indent() << "return constant;" << endl; - scope_down(f_types_impl_); - f_types_impl_ << endl; - } -} - -/** - * Generates helper classes for a service, consisting of a ThriftStruct subclass - * for the arguments to and the result from each method. - * - * @param tservice The service for which to generate helper classes - */ -void t_c_glib_generator::generate_service_helpers(t_service* tservice) { - vector<t_function*> functions = tservice->get_functions(); - vector<t_function*>::iterator function_iter; - - // Iterate through the service's methods - for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { - string function_name = (*function_iter)->get_name(); - t_struct* arg_list = (*function_iter)->get_arglist(); - string arg_list_name_orig = arg_list->get_name(); - - // Generate the arguments class - arg_list->set_name(tservice->get_name() + underscores_to_initial_caps(function_name) + "Args"); - generate_struct(arg_list); - - arg_list->set_name(arg_list_name_orig); - - // Generate the result class - if (!(*function_iter)->is_oneway()) { - t_struct result(program_, - tservice->get_name() + underscores_to_initial_caps(function_name) + "Result"); - t_field success((*function_iter)->get_returntype(), "success", 0); - success.set_req(t_field::T_OPTIONAL); - if (!(*function_iter)->get_returntype()->is_void()) { - result.append(&success); - } - - t_struct* xs = (*function_iter)->get_xceptions(); - const vector<t_field*>& fields = xs->get_members(); - vector<t_field*>::const_iterator field_iter; - for (field_iter = fields.begin(); field_iter != fields.end(); ++field_iter) { - (*field_iter)->set_req(t_field::T_OPTIONAL); - result.append(*field_iter); - } - - generate_struct(&result); - } - } -} - -/** - * Generates C code that represents a Thrift service client. - */ -void t_c_glib_generator::generate_service_client(t_service* tservice) { - /* get some C friendly service names */ - string service_name_lc = to_lower_case(initial_caps_to_underscores(service_name_)); - string service_name_uc = to_upper_case(service_name_lc); - - string parent_service_name; - string parent_service_name_lc; - string parent_service_name_uc; - - string parent_class_name = "GObject"; - string parent_type_name = "G_TYPE_OBJECT"; - - // The service this service extends, or NULL if it extends no - // service - t_service* extends_service = tservice->get_extends(); - if (extends_service) { - // The name of the parent service - parent_service_name = extends_service->get_name(); - parent_service_name_lc = to_lower_case(initial_caps_to_underscores(parent_service_name)); - parent_service_name_uc = to_upper_case(parent_service_name_lc); - - // The names of the client class' parent class and type - parent_class_name = this->nspace + parent_service_name + "Client"; - parent_type_name = this->nspace_uc + "TYPE_" + parent_service_name_uc + "_CLIENT"; - } - - // The base service (the topmost in the "extends" hierarchy), on - // whose client class the "input_protocol" and "output_protocol" - // properties are defined - t_service* base_service = tservice; - while (base_service->get_extends()) { - base_service = base_service->get_extends(); - } - - string base_service_name = base_service->get_name(); - string base_service_name_lc = to_lower_case(initial_caps_to_underscores(base_service_name)); - string base_service_name_uc = to_upper_case(base_service_name_lc); - - // Generate the client interface dummy object in the header. - f_header_ << "/* " << service_name_ << " service interface */" << endl << "typedef struct _" - << this->nspace << service_name_ << "If " << this->nspace << service_name_ << "If; " - << " /* dummy object */" << endl << endl; - - // Generate the client interface object in the header. - f_header_ << "struct _" << this->nspace << service_name_ << "IfInterface" << endl << "{" << endl - << " GTypeInterface parent;" << endl << endl; - - /* write out the functions for this interface */ - indent_up(); - vector<t_function*> functions = tservice->get_functions(); - vector<t_function*>::const_iterator f_iter; - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - /* make the function name C friendly */ - string funname = initial_caps_to_underscores((*f_iter)->get_name()); - t_type* ttype = (*f_iter)->get_returntype(); - t_struct* arglist = (*f_iter)->get_arglist(); - t_struct* xlist = (*f_iter)->get_xceptions(); - bool has_return = !ttype->is_void(); - bool has_args = arglist->get_members().size() == 0; - bool has_xceptions = xlist->get_members().size() == 0; - - string params = "(" + this->nspace + service_name_ + "If *iface" - + (has_return ? ", " + type_name(ttype) + "* _return" : "") - + (has_args ? "" : (", " + argument_list(arglist))) - + (has_xceptions ? "" : (", " + xception_list(xlist))) + ", GError **error)"; - - indent(f_header_) << "gboolean (*" << funname << ") " << params << ";" << endl; - } - indent_down(); - - f_header_ << "};" << endl << "typedef struct _" << this->nspace << service_name_ << "IfInterface " - << this->nspace << service_name_ << "IfInterface;" << endl << endl; - - // generate all the interface boilerplate - f_header_ << "GType " << this->nspace_lc << service_name_lc << "_if_get_type (void);" << endl - << "#define " << this->nspace_uc << "TYPE_" << service_name_uc << "_IF " - << "(" << this->nspace_lc << service_name_lc << "_if_get_type())" << endl << "#define " - << this->nspace_uc << service_name_uc << "_IF(obj) " - << "(G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_IF, " << this->nspace << service_name_ << "If))" << endl - << "#define " << this->nspace_uc << "IS_" << service_name_uc << "_IF(obj) " - << "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_IF))" << endl << "#define " << this->nspace_uc - << service_name_uc << "_IF_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), " - << this->nspace_uc << "TYPE_" << service_name_uc << "_IF, " << this->nspace - << service_name_ << "IfInterface))" << endl << endl; - - // write out all the interface function prototypes - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - /* make the function name C friendly */ - string funname = initial_caps_to_underscores((*f_iter)->get_name()); - t_type* ttype = (*f_iter)->get_returntype(); - t_struct* arglist = (*f_iter)->get_arglist(); - t_struct* xlist = (*f_iter)->get_xceptions(); - bool has_return = !ttype->is_void(); - bool has_args = arglist->get_members().size() == 0; - bool has_xceptions = xlist->get_members().size() == 0; - - string params = "(" + this->nspace + service_name_ + "If *iface" - + (has_return ? ", " + type_name(ttype) + "* _return" : "") - + (has_args ? "" : (", " + argument_list(arglist))) - + (has_xceptions ? "" : (", " + xception_list(xlist))) + ", GError **error)"; - - f_header_ << "gboolean " << this->nspace_lc << service_name_lc << "_if_" << funname << " " - << params << ";" << endl; - } - f_header_ << endl; - - // Generate the client object instance definition in the header. - f_header_ << "/* " << service_name_ << " service client */" << endl << "struct _" << this->nspace - << service_name_ << "Client" << endl << "{" << endl << " " << parent_class_name - << " parent;" << endl; - if (!extends_service) { - // Define "input_protocol" and "output_protocol" properties only - // for base services; child service-client classes will inherit - // these - f_header_ << endl << " ThriftProtocol *input_protocol;" << endl - << " ThriftProtocol *output_protocol;" << endl; - } - f_header_ << "};" << endl << "typedef struct _" << this->nspace << service_name_ << "Client " - << this->nspace << service_name_ << "Client;" << endl << endl; - - // Generate the class definition in the header. - f_header_ << "struct _" << this->nspace << service_name_ << "ClientClass" << endl << "{" << endl - << " " << parent_class_name << "Class parent;" << endl << "};" << endl - << "typedef struct _" << this->nspace << service_name_ << "ClientClass " << this->nspace - << service_name_ << "ClientClass;" << endl << endl; - - // Create all the GObject boilerplate - f_header_ << "GType " << this->nspace_lc << service_name_lc << "_client_get_type (void);" << endl - << "#define " << this->nspace_uc << "TYPE_" << service_name_uc << "_CLIENT " - << "(" << this->nspace_lc << service_name_lc << "_client_get_type())" << endl - << "#define " << this->nspace_uc << service_name_uc << "_CLIENT(obj) " - << "(G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_CLIENT, " << this->nspace << service_name_ << "Client))" << endl - << "#define " << this->nspace_uc << service_name_uc << "_CLIENT_CLASS(c) " - << "(G_TYPE_CHECK_CLASS_CAST ((c), " << this->nspace_uc << "TYPE_" << service_name_uc - << "_CLIENT, " << this->nspace << service_name_ << "ClientClass))" << endl << "#define " - << this->nspace_uc << service_name_uc << "_IS_CLIENT(obj) " - << "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_CLIENT))" << endl << "#define " << this->nspace_uc - << service_name_uc << "_IS_CLIENT_CLASS(c) " - << "(G_TYPE_CHECK_CLASS_TYPE ((c), " << this->nspace_uc << "TYPE_" << service_name_uc - << "_CLIENT))" << endl << "#define " << this->nspace_uc << service_name_uc - << "_CLIENT_GET_CLASS(obj) " - << "(G_TYPE_INSTANCE_GET_CLASS ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_CLIENT, " << this->nspace << service_name_ << "ClientClass))" - << endl << endl; - - /* write out the function prototypes */ - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - /* make the function name C friendly */ - string funname = to_lower_case(initial_caps_to_underscores((*f_iter)->get_name())); - - t_function service_function((*f_iter)->get_returntype(), - service_name_lc + string("_client_") + funname, - (*f_iter)->get_arglist(), - (*f_iter)->get_xceptions()); - indent(f_header_) << function_signature(&service_function) << ";" << endl; - - t_function send_function(g_type_void, - service_name_lc + string("_client_send_") + funname, - (*f_iter)->get_arglist()); - indent(f_header_) << function_signature(&send_function) << ";" << endl; - - // implement recv if not a oneway service - if (!(*f_iter)->is_oneway()) { - t_struct noargs(program_); - t_function recv_function((*f_iter)->get_returntype(), - service_name_lc + string("_client_recv_") + funname, - &noargs, - (*f_iter)->get_xceptions()); - indent(f_header_) << function_signature(&recv_function) << ";" << endl; - } - } - - /* write out the get/set function prototypes */ - f_header_ << "void " + service_name_lc + "_client_set_property (GObject *object, guint " - "property_id, const GValue *value, GParamSpec *pspec);" - << endl; - f_header_ << "void " + service_name_lc + "_client_get_property (GObject *object, guint " - "property_id, GValue *value, GParamSpec *pspec);" - << endl; - - f_header_ << endl; - // end of header code - - // Generate interface method implementations - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - /* make the function name C friendly */ - string funname = initial_caps_to_underscores((*f_iter)->get_name()); - t_type* ttype = (*f_iter)->get_returntype(); - t_struct* arglist = (*f_iter)->get_arglist(); - t_struct* xlist = (*f_iter)->get_xceptions(); - bool has_return = !ttype->is_void(); - bool has_args = arglist->get_members().size() == 0; - bool has_xceptions = xlist->get_members().size() == 0; - - string params = "(" + this->nspace + service_name_ + "If *iface" - + (has_return ? ", " + type_name(ttype) + "* _return" : "") - + (has_args ? "" : (", " + argument_list(arglist))) - + (has_xceptions ? "" : (", " + xception_list(xlist))) + ", GError **error)"; - - string params_without_type = string("iface, ") + (has_return ? "_return, " : ""); - - const vector<t_field*>& fields = arglist->get_members(); - vector<t_field*>::const_iterator f_iter_field; - for (f_iter_field = fields.begin(); f_iter_field != fields.end(); ++f_iter_field) { - params_without_type += (*f_iter_field)->get_name(); - params_without_type += ", "; - } - - const vector<t_field*>& xceptions = xlist->get_members(); - vector<t_field*>::const_iterator x_iter; - for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { - params_without_type += (*x_iter)->get_name(); - params_without_type += ", "; - } - - f_service_ << "gboolean" << endl << this->nspace_lc << service_name_lc << "_if_" << funname - << " " << params << endl << "{" << endl << " return " << this->nspace_uc - << service_name_uc << "_IF_GET_INTERFACE (iface)->" << funname << " (" - << params_without_type << "error);" << endl << "}" << endl << endl; - } - - // Generate interface boilerplate - f_service_ << "GType" << endl << this->nspace_lc << service_name_lc << "_if_get_type (void)" - << endl << "{" << endl << " static GType type = 0;" << endl << " if (type == 0)" - << endl << " {" << endl << " static const GTypeInfo type_info =" << endl << " {" - << endl << " sizeof (" << this->nspace << service_name_ << "IfInterface)," << endl - << " NULL, /* base_init */" << endl << " NULL, /* base_finalize */" << endl - << " NULL, /* class_init */" << endl << " NULL, /* class_finalize */" - << endl << " NULL, /* class_data */" << endl - << " 0, /* instance_size */" << endl << " 0, /* n_preallocs */" - << endl << " NULL, /* instance_init */" << endl - << " NULL /* value_table */" << endl << " };" << endl - << " type = g_type_register_static (G_TYPE_INTERFACE," << endl - << " \"" << this->nspace << service_name_ << "If\"," - << endl << " &type_info, 0);" << endl << " }" - << endl << " return type;" << endl << "}" << endl << endl; - - // Generate client boilerplate - f_service_ << "static void " << endl << this->nspace_lc << service_name_lc - << "_if_interface_init (" << this->nspace << service_name_ << "IfInterface *iface);" - << endl << endl << "G_DEFINE_TYPE_WITH_CODE (" << this->nspace << service_name_ - << "Client, " << this->nspace_lc << service_name_lc << "_client," << endl - << " " << parent_type_name << ", " << endl - << " G_IMPLEMENT_INTERFACE (" << this->nspace_uc << "TYPE_" - << service_name_uc << "_IF," << endl - << " " << this->nspace_lc - << service_name_lc << "_if_interface_init))" << endl << endl; - - // Generate property-related code only for base services---child - // service-client classes have only properties inherited from their - // parent class - if (!extends_service) { - // Generate client properties - f_service_ << "enum _" << this->nspace << service_name_ << "ClientProperties" << endl << "{" - << endl << " PROP_0," << endl << " PROP_" << this->nspace_uc << service_name_uc - << "_CLIENT_INPUT_PROTOCOL," << endl << " PROP_" << this->nspace_uc - << service_name_uc << "_CLIENT_OUTPUT_PROTOCOL" << endl << "};" << endl << endl; - - // generate property setter - f_service_ << "void" << endl << this->nspace_lc << service_name_lc << "_client_set_property (" - << "GObject *object, guint property_id, const GValue *value, " - << "GParamSpec *pspec)" << endl << "{" << endl << " " << this->nspace - << service_name_ << "Client *client = " << this->nspace_uc << service_name_uc - << "_CLIENT (object);" << endl << endl << " THRIFT_UNUSED_VAR (pspec);" << endl - << endl << " switch (property_id)" << endl << " {" << endl << " case PROP_" - << this->nspace_uc << service_name_uc << "_CLIENT_INPUT_PROTOCOL:" << endl - << " client->input_protocol = g_value_get_object (value);" << endl - << " break;" << endl << " case PROP_" << this->nspace_uc << service_name_uc - << "_CLIENT_OUTPUT_PROTOCOL:" << endl - << " client->output_protocol = g_value_get_object (value);" << endl - << " break;" << endl << " }" << endl << "}" << endl << endl; - - // generate property getter - f_service_ << "void" << endl << this->nspace_lc << service_name_lc << "_client_get_property (" - << "GObject *object, guint property_id, GValue *value, " - << "GParamSpec *pspec)" << endl << "{" << endl << " " << this->nspace - << service_name_ << "Client *client = " << this->nspace_uc << service_name_uc - << "_CLIENT (object);" << endl << endl << " THRIFT_UNUSED_VAR (pspec);" << endl - << endl << " switch (property_id)" << endl << " {" << endl << " case PROP_" - << this->nspace_uc << service_name_uc << "_CLIENT_INPUT_PROTOCOL:" << endl - << " g_value_set_object (value, client->input_protocol);" << endl - << " break;" << endl << " case PROP_" << this->nspace_uc << service_name_uc - << "_CLIENT_OUTPUT_PROTOCOL:" << endl - << " g_value_set_object (value, client->output_protocol);" << endl - << " break;" << endl << " }" << endl << "}" << endl << endl; - } - - // Generate client method implementations - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - string name = (*f_iter)->get_name(); - string funname = initial_caps_to_underscores(name); - - // Get the struct of function call params and exceptions - t_struct* arg_struct = (*f_iter)->get_arglist(); - - // Function for sending - t_function send_function(g_type_void, - service_name_lc + string("_client_send_") + funname, - (*f_iter)->get_arglist()); - - // Open the send function - indent(f_service_) << function_signature(&send_function) << endl; - scope_up(f_service_); - - string reqType = (*f_iter)->is_oneway() ? "T_ONEWAY" : "T_CALL"; - - // Serialize the request - f_service_ << indent() << "gint32 cseqid = 0;" << endl << indent() - << "ThriftProtocol * protocol = " << this->nspace_uc << base_service_name_uc - << "_CLIENT (iface)->output_protocol;" << endl << endl << indent() - << "if (thrift_protocol_write_message_begin (protocol, \"" << name << "\", " - << reqType << ", cseqid, error) < 0)" << endl << indent() << " return FALSE;" - << endl << endl; - - generate_struct_writer(f_service_, arg_struct, "", "", false); - - f_service_ << indent() << "if (thrift_protocol_write_message_end (protocol, error) < 0)" << endl - << indent() << " return FALSE;" << endl << indent() - << "if (!thrift_transport_flush (protocol->transport, error))" << endl << indent() - << " return FALSE;" << endl << indent() - << "if (!thrift_transport_write_end (protocol->transport, error))" << endl - << indent() << " return FALSE;" << endl << endl << indent() << "return TRUE;" - << endl; - - scope_down(f_service_); - f_service_ << endl; - - // Generate recv function only if not an async function - if (!(*f_iter)->is_oneway()) { - t_struct noargs(program_); - t_function recv_function((*f_iter)->get_returntype(), - service_name_lc + string("_client_recv_") + funname, - &noargs, - (*f_iter)->get_xceptions()); - // Open function - indent(f_service_) << function_signature(&recv_function) << endl; - scope_up(f_service_); - - f_service_ << indent() << "gint32 rseqid;" << endl - << indent() << "gchar * fname = NULL;" << endl - << indent() << "ThriftMessageType mtype;" << endl - << indent() << "ThriftProtocol * protocol = " - << this->nspace_uc << base_service_name_uc - << "_CLIENT (iface)->input_protocol;" << endl - << indent() << "ThriftApplicationException *xception;" << endl - << endl - << indent() << "if (thrift_protocol_read_message_begin " - "(protocol, &fname, &mtype, &rseqid, error) < 0) {" << endl; - indent_up(); - f_service_ << indent() << "if (fname) g_free (fname);" << endl - << indent() << "return FALSE;" << endl; - indent_down(); - f_service_ << indent() << "}" << endl - << endl - << indent() << "if (mtype == T_EXCEPTION) {" << endl; - indent_up(); - f_service_ << indent() << "if (fname) g_free (fname);" << endl - << indent() << "xception = g_object_new " - "(THRIFT_TYPE_APPLICATION_EXCEPTION, NULL);" << endl - << indent() << "thrift_struct_read (THRIFT_STRUCT (xception), " - "protocol, NULL);" << endl - << indent() << "thrift_protocol_read_message_end " - "(protocol, NULL);" << endl - << indent() << "thrift_transport_read_end " - "(protocol->transport, NULL);" << endl - << indent() << "g_set_error (error, " - "THRIFT_APPLICATION_EXCEPTION_ERROR,xception->type, " - "\"application error: %s\", xception->message);" << endl - << indent() << "g_object_unref (xception);" << endl - << indent() << "return FALSE;" << endl; - indent_down(); - f_service_ << indent() << "} else if (mtype != T_REPLY) {" << endl; - indent_up(); - f_service_ << indent() << "if (fname) g_free (fname);" << endl - << indent() << "thrift_protocol_skip (protocol, T_STRUCT, " - "NULL);" << endl - << indent() << "thrift_protocol_read_message_end (protocol, " - "NULL);" << endl - << indent() << "thrift_transport_read_end (" - "protocol->transport, NULL);" << endl - << indent() << "g_set_error (error, " - "THRIFT_APPLICATION_EXCEPTION_ERROR, " - "THRIFT_APPLICATION_EXCEPTION_ERROR_INVALID_MESSAGE_TYPE, " - "\"invalid message type %d, expected T_REPLY\", mtype);" - << endl - << indent() << "return FALSE;" << endl; - indent_down(); - f_service_ << indent() << "} else if (strncmp (fname, \"" << name - << "\", " << name.length() << ") != 0) {" << endl; - indent_up(); - f_service_ << indent() << "thrift_protocol_skip (protocol, T_STRUCT, " - "NULL);" << endl - << indent() << "thrift_protocol_read_message_end (protocol," - "error);" << endl - << indent() << "thrift_transport_read_end (" - "protocol->transport, error);" << endl - << indent() << "g_set_error (error, " - "THRIFT_APPLICATION_EXCEPTION_ERROR, " - "THRIFT_APPLICATION_EXCEPTION_ERROR_WRONG_METHOD_NAME, " - "\"wrong method name %s, expected " << name - << "\", fname);" << endl - << indent() << "if (fname) g_free (fname);" << endl - << indent() << "return FALSE;" << endl; - indent_down(); - f_service_ << indent() << "}" << endl - << indent() << "if (fname) g_free (fname);" << endl - << endl; - - t_struct* xs = (*f_iter)->get_xceptions(); - const std::vector<t_field*>& xceptions = xs->get_members(); - vector<t_field*>::const_iterator x_iter; - - { - t_struct result(program_, tservice->get_name() + "_" + (*f_iter)->get_name() + "_result"); - t_field success((*f_iter)->get_returntype(), "*_return", 0); - if (!(*f_iter)->get_returntype()->is_void()) { - result.append(&success); - } - - // add readers for exceptions, dereferencing the pointer. - for (x_iter = xceptions.begin(); x_iter != xceptions.end(); x_iter++) { - t_field* xception = new t_field((*x_iter)->get_type(), - "*" + (*x_iter)->get_name(), - (*x_iter)->get_key()); - result.append(xception); - } - - generate_struct_reader(f_service_, &result, "", "", false); - } - - f_service_ << indent() << "if (thrift_protocol_read_message_end (protocol, error) < 0)" - << endl << indent() << " return FALSE;" << endl << endl << indent() - << "if (!thrift_transport_read_end (protocol->transport, error))" << endl - << indent() << " return FALSE;" << endl << endl; - - // copy over any throw exceptions and return failure - for (x_iter = xceptions.begin(); x_iter != xceptions.end(); x_iter++) { - f_service_ << indent() << "if (*" << (*x_iter)->get_name() << " != NULL)" << endl - << indent() << "{" << endl << indent() << " g_set_error (error, " - << this->nspace_uc - << to_upper_case(initial_caps_to_underscores((*x_iter)->get_type()->get_name())) - << "_ERROR, " << this->nspace_uc - << to_upper_case(initial_caps_to_underscores((*x_iter)->get_type()->get_name())) - << "_ERROR_CODE, \"" << (*x_iter)->get_type()->get_name() << "\");" << endl - << indent() << " return FALSE;" << endl << indent() << "}" << endl; - } - // Close function - indent(f_service_) << "return TRUE;" << endl; - scope_down(f_service_); - f_service_ << endl; - } - - // Open function - t_function service_function((*f_iter)->get_returntype(), - service_name_lc + string("_client_") + funname, - (*f_iter)->get_arglist(), - (*f_iter)->get_xceptions()); - indent(f_service_) << function_signature(&service_function) << endl; - scope_up(f_service_); - - // wrap each function - f_service_ << indent() << "if (!" << this->nspace_lc << service_name_lc << "_client_send_" - << funname << " (iface"; - - // Declare the function arguments - const vector<t_field*>& fields = arg_struct->get_members(); - vector<t_field*>::const_iterator fld_iter; - for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { - f_service_ << ", " << (*fld_iter)->get_name(); - } - f_service_ << ", error))" << endl << indent() << " return FALSE;" << endl; - - // if not oneway, implement recv - if (!(*f_iter)->is_oneway()) { - string ret = (*f_iter)->get_returntype()->is_void() ? "" : "_return, "; - - const vector<t_field*>& xceptions = (*f_iter)->get_xceptions()->get_members(); - vector<t_field*>::const_iterator x_iter; - for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { - ret += (*x_iter)->get_name(); - ret += ", "; - } - - f_service_ << indent() << "if (!" << this->nspace_lc << service_name_lc << "_client_recv_" - << funname << " (iface, " << ret << "error))" << endl << indent() - << " return FALSE;" << endl; - } - - // return TRUE which means all functions were called OK - indent(f_service_) << "return TRUE;" << endl; - scope_down(f_service_); - f_service_ << endl; - } - - // create the interface initializer - f_service_ << "static void" << endl - << this->nspace_lc << service_name_lc << "_if_interface_init (" - << this->nspace << service_name_ << "IfInterface *iface)" << endl; - scope_up(f_service_); - if (functions.size() > 0) { - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - /* make the function name C friendly */ - string funname = initial_caps_to_underscores((*f_iter)->get_name()); - - f_service_ << indent() << "iface->" << funname << " = " << this->nspace_lc - << service_name_lc << "_client_" << funname << ";" << endl; - } - } - else { - f_service_ << indent() << "THRIFT_UNUSED_VAR (iface);" << endl; - } - scope_down(f_service_); - f_service_ << endl; - - // create the client instance initializer - f_service_ << "static void" << endl - << this->nspace_lc << service_name_lc << "_client_init (" - << this->nspace << service_name_ << "Client *client)" << endl; - scope_up(f_service_); - if (!extends_service) { - f_service_ << indent() << "client->input_protocol = NULL;" << endl - << indent() << "client->output_protocol = NULL;" << endl; - } - else { - f_service_ << indent() << "THRIFT_UNUSED_VAR (client);" << endl; - } - scope_down(f_service_); - f_service_ << endl; - - // create the client class initializer - f_service_ << "static void" << endl << this->nspace_lc << service_name_lc - << "_client_class_init (" << this->nspace << service_name_ << "ClientClass *cls)" - << endl << "{" << endl; - if (!extends_service) { - f_service_ << " GObjectClass *gobject_class = G_OBJECT_CLASS (cls);" << endl - << " GParamSpec *param_spec;" << endl << endl - << " gobject_class->set_property = " << this->nspace_lc << service_name_lc - << "_client_set_property;" << endl - << " gobject_class->get_property = " << this->nspace_lc << service_name_lc - << "_client_get_property;" << endl << endl - << " param_spec = g_param_spec_object (\"input_protocol\"," << endl - << " \"input protocol (construct)\"," << endl - << " \"Set the client input protocol\"," << endl - << " THRIFT_TYPE_PROTOCOL," << endl - << " G_PARAM_READWRITE);" << endl - << " g_object_class_install_property (gobject_class," << endl - << " PROP_" << this->nspace_uc << service_name_uc - << "_CLIENT_INPUT_PROTOCOL, param_spec);" << endl << endl - << " param_spec = g_param_spec_object (\"output_protocol\"," << endl - << " \"output protocol (construct)\"," << endl - << " \"Set the client output protocol\"," << endl - << " THRIFT_TYPE_PROTOCOL," << endl - << " G_PARAM_READWRITE);" << endl - << " g_object_class_install_property (gobject_class," << endl - << " PROP_" << this->nspace_uc << service_name_uc - << "_CLIENT_OUTPUT_PROTOCOL, param_spec);" << endl; - } - else { - f_service_ << " THRIFT_UNUSED_VAR (cls);" << endl; - } - f_service_ << "}" << endl << endl; -} - -/** - * Generates C code that represents a Thrift service handler. - * - * @param tservice The service for which to generate a handler. - */ -void t_c_glib_generator::generate_service_handler(t_service* tservice) { - vector<t_function*> functions = tservice->get_functions(); - vector<t_function*>::const_iterator function_iter; - - string service_name_lc = to_lower_case(initial_caps_to_underscores(service_name_)); - string service_name_uc = to_upper_case(service_name_lc); - - string class_name = this->nspace + service_name_ + "Handler"; - string class_name_lc = to_lower_case(initial_caps_to_underscores(class_name)); - string class_name_uc = to_upper_case(class_name_lc); - - string parent_class_name; - string parent_type_name; - - string args_indent; - - // The service this service extends, or NULL if it extends no service - t_service* extends_service = tservice->get_extends(); - - // Determine the name of our parent service (if any) and the handler class' - // parent class name and type - if (extends_service) { - string parent_service_name = extends_service->get_name(); - string parent_service_name_lc = to_lower_case(initial_caps_to_underscores(parent_service_name)); - string parent_service_name_uc = to_upper_case(parent_service_name_lc); - - parent_class_name = this->nspace + parent_service_name + "Handler"; - parent_type_name = this->nspace_uc + "TYPE_" + parent_service_name_uc + "_HANDLER"; - } else { - parent_class_name = "GObject"; - parent_type_name = "G_TYPE_OBJECT"; - } - - // Generate the handler class' definition in the header file - - // Generate the handler instance definition - f_header_ << "/* " << service_name_ << " handler (abstract base class) */" << endl << "struct _" - << class_name << endl << "{" << endl; - indent_up(); - f_header_ << indent() << parent_class_name << " parent;" << endl; - indent_down(); - f_header_ << "};" << endl << "typedef struct _" << class_name << " " << class_name << ";" << endl - << endl; - - // Generate the handler class definition, including its class members - // (methods) - f_header_ << "struct _" << class_name << "Class" << endl << "{" << endl; - indent_up(); - f_header_ << indent() << parent_class_name << "Class parent;" << endl << endl; - - for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { - string method_name = initial_caps_to_underscores((*function_iter)->get_name()); - t_type* return_type = (*function_iter)->get_returntype(); - t_struct* arg_list = (*function_iter)->get_arglist(); - t_struct* x_list = (*function_iter)->get_xceptions(); - bool has_return = !return_type->is_void(); - bool has_args = arg_list->get_members().size() == 0; - bool has_xceptions = x_list->get_members().size() == 0; - - string params = "(" + this->nspace + service_name_ + "If *iface" - + (has_return ? ", " + type_name(return_type) + "* _return" : "") - + (has_args ? "" : (", " + argument_list(arg_list))) - + (has_xceptions ? "" : (", " + xception_list(x_list))) + ", GError **error)"; - - indent(f_header_) << "gboolean (*" << method_name << ") " << params << ";" << endl; - } - indent_down(); - - f_header_ << "};" << endl << "typedef struct _" << class_name << "Class " << class_name - << "Class;" << endl << endl; - - // Generate the remaining header boilerplate - f_header_ << "GType " << class_name_lc << "_get_type (void);" << endl << "#define " - << this->nspace_uc << "TYPE_" << service_name_uc << "_HANDLER " - << "(" << class_name_lc << "_get_type())" << endl << "#define " << class_name_uc - << "(obj) " - << "(G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_HANDLER, " << class_name << "))" << endl << "#define " - << this->nspace_uc << "IS_" << service_name_uc << "_HANDLER(obj) " - << "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_HANDLER))" << endl << "#define " << class_name_uc - << "_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_HANDLER, " << class_name << "Class))" << endl << "#define " - << this->nspace_uc << "IS_" << service_name_uc << "_HANDLER_CLASS(c) " - << "(G_TYPE_CHECK_CLASS_TYPE ((c), " << this->nspace_uc << "TYPE_" << service_name_uc - << "_HANDLER))" << endl << "#define " << this->nspace_uc << service_name_uc - << "_HANDLER_GET_CLASS(obj) " - << "(G_TYPE_INSTANCE_GET_CLASS ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_HANDLER, " << class_name << "Class))" << endl << endl; - - // Generate the handler class' method definitions - for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { - string method_name = initial_caps_to_underscores((*function_iter)->get_name()); - t_type* return_type = (*function_iter)->get_returntype(); - t_struct* arg_list = (*function_iter)->get_arglist(); - t_struct* x_list = (*function_iter)->get_xceptions(); - bool has_return = !return_type->is_void(); - bool has_args = arg_list->get_members().size() == 0; - bool has_xceptions = x_list->get_members().size() == 0; - - string params = "(" + this->nspace + service_name_ + "If *iface" - + (has_return ? ", " + type_name(return_type) + "* _return" : "") - + (has_args ? "" : (", " + argument_list(arg_list))) - + (has_xceptions ? "" : (", " + xception_list(x_list))) + ", GError **error)"; - - f_header_ << "gboolean " << class_name_lc << "_" << method_name << " " << params << ";" << endl; - } - f_header_ << endl; - - // Generate the handler's implementation in the implementation file - - // Generate the implementation boilerplate - f_service_ << "static void" << endl << class_name_lc << "_" << service_name_lc - << "_if_interface_init (" << this->nspace << service_name_ << "IfInterface *iface);" - << endl << endl; - - args_indent = string(25, ' '); - f_service_ << "G_DEFINE_TYPE_WITH_CODE (" << class_name << ", " << endl << args_indent - << class_name_lc << "," << endl << args_indent << parent_type_name << "," << endl - << args_indent << "G_IMPLEMENT_INTERFACE (" << this->nspace_uc << "TYPE_" - << service_name_uc << "_IF," << endl; - args_indent += string(23, ' '); - f_service_ << args_indent << class_name_lc << "_" << service_name_lc << "_if_interface_init))" - << endl << endl; - - // Generate the handler method implementations - for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { - string function_name = (*function_iter)->get_name(); - string method_name = initial_caps_to_underscores(function_name); - t_type* return_type = (*function_iter)->get_returntype(); - t_struct* arg_list = (*function_iter)->get_arglist(); - t_struct* x_list = (*function_iter)->get_xceptions(); - - const vector<t_field*>& args = arg_list->get_members(); - const vector<t_field*>& xceptions = x_list->get_members(); - - vector<t_field*>::const_iterator field_iter; - - t_function implementing_function(return_type, - service_name_lc + "_handler_" + method_name, - arg_list, - x_list, - (*function_iter)->is_oneway()); - - indent(f_service_) << function_signature(&implementing_function) << endl; - scope_up(f_service_); - f_service_ << indent() << "g_return_val_if_fail (" << this->nspace_uc << "IS_" - << service_name_uc << "_HANDLER (iface), FALSE);" << endl << endl << indent() - << "return " << class_name_uc << "_GET_CLASS (iface)" - << "->" << method_name << " (iface, "; - - if (!return_type->is_void()) { - f_service_ << "_return, "; - } - for (field_iter = args.begin(); field_iter != args.end(); ++field_iter) { - f_service_ << (*field_iter)->get_name() << ", "; - } - for (field_iter = xceptions.begin(); field_iter != xceptions.end(); ++field_iter) { - f_service_ << (*field_iter)->get_name() << ", "; - } - f_service_ << "error);" << endl; - scope_down(f_service_); - f_service_ << endl; - } - - // Generate the handler interface initializer - f_service_ << "static void" << endl << class_name_lc << "_" << service_name_lc - << "_if_interface_init (" << this->nspace << service_name_ << "IfInterface *iface)" - << endl; - scope_up(f_service_); - if (functions.size() > 0) { - for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { - string method_name = initial_caps_to_underscores((*function_iter)->get_name()); - - f_service_ << indent() << "iface->" << method_name << " = " << class_name_lc << "_" - << method_name << ";" << endl; - } - } - else { - f_service_ << "THRIFT_UNUSED_VAR (iface);" << endl; - } - scope_down(f_service_); - f_service_ << endl; - - // Generate the handler instance initializer - f_service_ << "static void" << endl << class_name_lc << "_init (" << class_name << " *self)" - << endl; - scope_up(f_service_); - f_service_ << indent() << "THRIFT_UNUSED_VAR (self);" << endl; - scope_down(f_service_); - f_service_ << endl; - - // Generate the handler class initializer - f_service_ << "static void" << endl - << class_name_lc << "_class_init (" << class_name << "Class *cls)" - << endl; - scope_up(f_service_); - if (functions.size() > 0) { - for (function_iter = functions.begin(); - function_iter != functions.end(); - ++function_iter) { - string function_name = (*function_iter)->get_name(); - string method_name = initial_caps_to_underscores(function_name); - - // All methods are pure virtual and must be implemented by subclasses - f_service_ << indent() << "cls->" << method_name << " = NULL;" << endl; - } - } - else { - f_service_ << indent() << "THRIFT_UNUSED_VAR (cls);" << endl; - } - scope_down(f_service_); - f_service_ << endl; -} - -/** - * Generates C code that represents a Thrift service processor. - * - * @param tservice The service for which to generate a processor - */ -void t_c_glib_generator::generate_service_processor(t_service* tservice) { - vector<t_function*> functions = tservice->get_functions(); - vector<t_function*>::const_iterator function_iter; - - string service_name_lc = to_lower_case(initial_caps_to_underscores(service_name_)); - string service_name_uc = to_upper_case(service_name_lc); - - string class_name = this->nspace + service_name_ + "Processor"; - string class_name_lc = to_lower_case(initial_caps_to_underscores(class_name)); - string class_name_uc = to_upper_case(class_name_lc); - - string parent_class_name; - string parent_type_name; - - string handler_class_name = this->nspace + service_name_ + "Handler"; - string handler_class_name_lc = initial_caps_to_underscores(handler_class_name); - - string process_function_type_name = class_name + "ProcessFunction"; - string process_function_def_type_name = - class_name_lc + "_process_function_def"; - - string function_name; - string args_indent; - - // The service this service extends, or NULL if it extends no service - t_service* extends_service = tservice->get_extends(); - - // Determine the name of our parent service (if any) and the - // processor class' parent class name and type - if (extends_service) { - string parent_service_name = extends_service->get_name(); - string parent_service_name_lc = to_lower_case(initial_caps_to_underscores(parent_service_name)); - string parent_service_name_uc = to_upper_case(parent_service_name_lc); - - parent_class_name = this->nspace + parent_service_name + "Processor"; - parent_type_name = this->nspace_uc + "TYPE_" + parent_service_name_uc + "_PROCESSOR"; - } else { - parent_class_name = "ThriftDispatchProcessor"; - parent_type_name = "THRIFT_TYPE_DISPATCH_PROCESSOR"; - } - - // Generate the processor class' definition in the header file - - // Generate the processor instance definition - f_header_ << "/* " << service_name_ << " processor */" << endl << "struct _" << class_name << endl - << "{" << endl; - indent_up(); - f_header_ << indent() << parent_class_name << " parent;" << endl << endl << indent() - << "/* protected */" << endl << indent() - << this->nspace + service_name_ + "Handler *handler;" << endl << indent() - << "GHashTable *process_map;" << endl; - indent_down(); - f_header_ << "};" << endl << "typedef struct _" << class_name << " " << class_name << ";" << endl - << endl; - - // Generate the processor class definition - f_header_ << "struct _" << class_name << "Class" << endl << "{" << endl; - indent_up(); - f_header_ << indent() << parent_class_name << "Class parent;" << endl << endl << indent() - << "/* protected */" << endl << indent() - << "gboolean (*dispatch_call) (ThriftDispatchProcessor *processor," << endl; - args_indent = indent() + string(27, ' '); - f_header_ << args_indent << "ThriftProtocol *in," << endl << args_indent << "ThriftProtocol *out," - << endl << args_indent << "gchar *fname," << endl << args_indent << "gint32 seqid," - << endl << args_indent << "GError **error);" << endl; - indent_down(); - f_header_ << "};" << endl << "typedef struct _" << class_name << "Class " << class_name - << "Class;" << endl << endl; - - // Generate the remaining header boilerplate - f_header_ << "GType " << class_name_lc << "_get_type (void);" << endl << "#define " - << this->nspace_uc << "TYPE_" << service_name_uc << "_PROCESSOR " - << "(" << class_name_lc << "_get_type())" << endl << "#define " << class_name_uc - << "(obj) " - << "(G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_PROCESSOR, " << class_name << "))" << endl << "#define " - << this->nspace_uc << "IS_" << service_name_uc << "_PROCESSOR(obj) " - << "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_PROCESSOR))" << endl << "#define " << class_name_uc - << "_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), " << this->nspace_uc << "TYPE_" - << service_name_uc << "_PROCESSOR, " << class_name << "Class))" << endl << "#define " - << this->nspace_uc << "IS_" << service_name_uc << "_PROCESSOR_CLASS(c) " - << "(G_TYPE_CHECK_CLASS_TYPE ((c), " << this->nspace_uc << "TYPE_" << service_name_uc - << "_PROCESSOR))" << endl << "#define " << this->nspace_uc << service_name_uc - << "_PROCESSOR_GET_CLASS(obj) " - << "(G_TYPE_INSTANCE_GET_CLASS ((obj), " << this->nspace_
<TRUNCATED>
