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Posted to commits@hawq.apache.org by ml...@apache.org on 2016/09/08 02:08:01 UTC
[28/70] [partial] incubator-hawq git commit: HAWQ-959. revert thrift
build commands.
http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/72ea8afd/depends/thirdparty/thrift/compiler/cpp/src/generate/t_ocaml_generator.cc
----------------------------------------------------------------------
diff --git a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_ocaml_generator.cc b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_ocaml_generator.cc
deleted file mode 100644
index 75bc12d..0000000
--- a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_ocaml_generator.cc
+++ /dev/null
@@ -1,1756 +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.
- */
-
-#include <string>
-#include <fstream>
-#include <iostream>
-#include <vector>
-
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sstream>
-#include "t_oop_generator.h"
-#include "platform.h"
-#include "version.h"
-
-using std::ios;
-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
-
-/**
- * OCaml code generator.
- *
- */
-class t_ocaml_generator : public t_oop_generator {
-public:
- t_ocaml_generator(t_program* program,
- const std::map<std::string, std::string>& parsed_options,
- const std::string& option_string)
- : t_oop_generator(program) {
- (void)parsed_options;
- (void)option_string;
- out_dir_base_ = "gen-ocaml";
- }
-
- /**
- * Init and close methods
- */
-
- void init_generator();
- void close_generator();
-
- /**
- * Program-level generation functions
- */
- void generate_program();
- void generate_typedef(t_typedef* ttypedef);
- void generate_enum(t_enum* tenum);
- void generate_const(t_const* tconst);
- void generate_struct(t_struct* tstruct);
- void generate_xception(t_struct* txception);
- void generate_service(t_service* tservice);
-
- std::string render_const_value(t_type* type, t_const_value* value);
- bool struct_member_persistent(t_field* tmember);
- bool struct_member_omitable(t_field* tmember);
- bool struct_member_default_cheaply_comparable(t_field* tmember);
- std::string struct_member_copy_of(t_type* type, string what);
-
- /**
- * Struct generation code
- */
-
- void generate_ocaml_struct(t_struct* tstruct, bool is_exception);
- void generate_ocaml_struct_definition(std::ofstream& out,
- t_struct* tstruct,
- bool is_xception = false);
- void generate_ocaml_struct_member(std::ofstream& out, string tname, t_field* tmember);
- void generate_ocaml_struct_sig(std::ofstream& out, t_struct* tstruct, bool is_exception);
- void generate_ocaml_struct_reader(std::ofstream& out, t_struct* tstruct);
- void generate_ocaml_struct_writer(std::ofstream& out, t_struct* tstruct);
- void generate_ocaml_function_helpers(t_function* tfunction);
- void generate_ocaml_method_copy(std::ofstream& out, const vector<t_field*>& members);
- void generate_ocaml_member_copy(std::ofstream& out, t_field* member);
-
- /**
- * Service-level generation functions
- */
-
- void generate_service_helpers(t_service* tservice);
- void generate_service_interface(t_service* tservice);
- void generate_service_client(t_service* tservice);
- void generate_service_server(t_service* tservice);
- void generate_process_function(t_service* tservice, t_function* tfunction);
-
- /**
- * Serialization constructs
- */
-
- void generate_deserialize_field(std::ofstream& out, t_field* tfield, std::string prefix);
-
- void generate_deserialize_struct(std::ofstream& out, t_struct* tstruct);
-
- void generate_deserialize_container(std::ofstream& out, t_type* ttype);
-
- void generate_deserialize_set_element(std::ofstream& out, t_set* tset);
-
- void generate_deserialize_list_element(std::ofstream& out,
- t_list* tlist,
- std::string prefix = "");
- void generate_deserialize_type(std::ofstream& out, t_type* type);
-
- void generate_serialize_field(std::ofstream& out, t_field* tfield, std::string name = "");
-
- void generate_serialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
-
- void generate_serialize_container(std::ofstream& out, t_type* ttype, std::string prefix = "");
-
- void generate_serialize_map_element(std::ofstream& out,
- t_map* tmap,
- std::string kiter,
- std::string viter);
-
- void generate_serialize_set_element(std::ofstream& out, t_set* tmap, std::string iter);
-
- void generate_serialize_list_element(std::ofstream& out, t_list* tlist, std::string iter);
-
- /**
- * Helper rendering functions
- */
-
- std::string ocaml_autogen_comment();
- std::string ocaml_imports();
- std::string type_name(t_type* ttype);
- std::string function_signature(t_function* tfunction, std::string prefix = "");
- std::string function_type(t_function* tfunc, bool method = false, bool options = false);
- std::string argument_list(t_struct* tstruct);
- std::string type_to_enum(t_type* ttype);
- std::string render_ocaml_type(t_type* type);
-
-private:
- /**
- * File streams
- */
-
- std::ofstream f_types_;
- std::ofstream f_consts_;
- std::ofstream f_service_;
-
- std::ofstream f_types_i_;
- std::ofstream f_service_i_;
-};
-
-/*
- * This is necessary because we want typedefs to appear later,
- * after all the types have been declared.
- */
-void t_ocaml_generator::generate_program() {
- // Initialize the generator
- init_generator();
-
- // Generate enums
- vector<t_enum*> enums = program_->get_enums();
- vector<t_enum*>::iterator en_iter;
- for (en_iter = enums.begin(); en_iter != enums.end(); ++en_iter) {
- generate_enum(*en_iter);
- }
-
- // Generate structs
- vector<t_struct*> structs = program_->get_structs();
- vector<t_struct*>::iterator st_iter;
- for (st_iter = structs.begin(); st_iter != structs.end(); ++st_iter) {
- generate_struct(*st_iter);
- }
-
- // Generate xceptions
- vector<t_struct*> xceptions = program_->get_xceptions();
- vector<t_struct*>::iterator x_iter;
- for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
- generate_xception(*x_iter);
- }
-
- // Generate typedefs
- vector<t_typedef*> typedefs = program_->get_typedefs();
- vector<t_typedef*>::iterator td_iter;
- for (td_iter = typedefs.begin(); td_iter != typedefs.end(); ++td_iter) {
- generate_typedef(*td_iter);
- }
-
- // Generate services
- vector<t_service*> services = program_->get_services();
- vector<t_service*>::iterator sv_iter;
- for (sv_iter = services.begin(); sv_iter != services.end(); ++sv_iter) {
- service_name_ = get_service_name(*sv_iter);
- generate_service(*sv_iter);
- }
-
- // Generate constants
- vector<t_const*> consts = program_->get_consts();
- generate_consts(consts);
-
- // Close the generator
- close_generator();
-}
-
-/**
- * Prepares for file generation by opening up the necessary file output
- * streams.
- *
- * @param tprogram The program to generate
- */
-void t_ocaml_generator::init_generator() {
- // Make output directory
- MKDIR(get_out_dir().c_str());
-
- // Make output file
- string f_types_name = get_out_dir() + program_name_ + "_types.ml";
- f_types_.open(f_types_name.c_str());
- string f_types_i_name = get_out_dir() + program_name_ + "_types.mli";
- f_types_i_.open(f_types_i_name.c_str());
-
- string f_consts_name = get_out_dir() + program_name_ + "_consts.ml";
- f_consts_.open(f_consts_name.c_str());
-
- // Print header
- f_types_ << ocaml_autogen_comment() << endl << ocaml_imports() << endl;
- f_types_i_ << ocaml_autogen_comment() << endl << ocaml_imports() << endl;
- f_consts_ << ocaml_autogen_comment() << endl << ocaml_imports() << endl << "open "
- << capitalize(program_name_) << "_types" << endl;
-}
-
-/**
- * Autogen'd comment
- */
-string t_ocaml_generator::ocaml_autogen_comment() {
- return std::string("(*\n") + " Autogenerated by Thrift Compiler (" + THRIFT_VERSION + ")\n" + "\n"
- + " DO NOT EDIT UNLESS YOU ARE SURE YOU KNOW WHAT YOU ARE DOING\n" + "*)\n";
-}
-
-/**
- * Prints standard thrift imports
- */
-string t_ocaml_generator::ocaml_imports() {
- return "open Thrift";
-}
-
-/**
- * Closes the type files
- */
-void t_ocaml_generator::close_generator() {
- // Close types file
- f_types_.close();
-}
-
-/**
- * Generates a typedef. Ez.
- *
- * @param ttypedef The type definition
- */
-void t_ocaml_generator::generate_typedef(t_typedef* ttypedef) {
- f_types_ << indent() << "type " << decapitalize(ttypedef->get_symbolic()) << " = "
- << render_ocaml_type(ttypedef->get_type()) << endl << endl;
- f_types_i_ << indent() << "type " << decapitalize(ttypedef->get_symbolic()) << " = "
- << render_ocaml_type(ttypedef->get_type()) << endl << endl;
-}
-
-/**
- * Generates code for an enumerated type.
- * the values.
- *
- * @param tenum The enumeration
- */
-void t_ocaml_generator::generate_enum(t_enum* tenum) {
- indent(f_types_) << "module " << capitalize(tenum->get_name()) << " = " << endl << "struct"
- << endl;
- indent(f_types_i_) << "module " << capitalize(tenum->get_name()) << " : " << endl << "sig"
- << endl;
- indent_up();
- indent(f_types_) << "type t = " << endl;
- indent(f_types_i_) << "type t = " << endl;
- indent_up();
- vector<t_enum_value*> constants = tenum->get_constants();
- vector<t_enum_value*>::iterator c_iter;
- for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
- string name = capitalize((*c_iter)->get_name());
- indent(f_types_) << "| " << name << endl;
- indent(f_types_i_) << "| " << name << endl;
- }
- indent_down();
-
- indent(f_types_) << "let to_i = function" << endl;
- indent(f_types_i_) << "val to_i : t -> Int32.t" << endl;
- indent_up();
- for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
- int value = (*c_iter)->get_value();
- string name = capitalize((*c_iter)->get_name());
- indent(f_types_) << "| " << name << " -> " << value << "l" << endl;
- }
- indent_down();
-
- indent(f_types_) << "let of_i = function" << endl;
- indent(f_types_i_) << "val of_i : Int32.t -> t" << endl;
- indent_up();
- for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
- int value = (*c_iter)->get_value();
- string name = capitalize((*c_iter)->get_name());
- indent(f_types_) << "| " << value << "l -> " << name << endl;
- }
- indent(f_types_) << "| _ -> raise Thrift_error" << endl;
- indent_down();
- indent_down();
- indent(f_types_) << "end" << endl;
- indent(f_types_i_) << "end" << endl;
-}
-
-/**
- * Generate a constant value
- */
-void t_ocaml_generator::generate_const(t_const* tconst) {
- t_type* type = tconst->get_type();
- string name = decapitalize(tconst->get_name());
- t_const_value* value = tconst->get_value();
-
- indent(f_consts_) << "let " << name << " = " << render_const_value(type, value) << endl << endl;
-}
-
-/**
- * Prints the value of a constant with the given type. Note that type checking
- * is NOT performed in this function as it is always run beforehand using the
- * validate_types method in main.cc
- */
-string t_ocaml_generator::render_const_value(t_type* type, t_const_value* value) {
- type = get_true_type(type);
- std::ostringstream out;
- // OCaml requires all floating point numbers contain a decimal point
- out.setf(ios::showpoint);
- if (type->is_base_type()) {
- t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
- switch (tbase) {
- case t_base_type::TYPE_STRING:
- out << '"' << get_escaped_string(value) << '"';
- break;
- case t_base_type::TYPE_BOOL:
- out << (value->get_integer() > 0 ? "true" : "false");
- break;
- case t_base_type::TYPE_BYTE:
- case t_base_type::TYPE_I16:
- out << value->get_integer();
- break;
- case t_base_type::TYPE_I32:
- out << value->get_integer() << "l";
- break;
- case t_base_type::TYPE_I64:
- out << value->get_integer() << "L";
- break;
- case t_base_type::TYPE_DOUBLE:
- if (value->get_type() == t_const_value::CV_INTEGER) {
- out << value->get_integer() << ".0";
- } else {
- out << 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()) {
- t_enum* tenum = (t_enum*)type;
- vector<t_enum_value*> constants = tenum->get_constants();
- vector<t_enum_value*>::iterator c_iter;
- for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
- int val = (*c_iter)->get_value();
- if (val == value->get_integer()) {
- indent(out) << capitalize(tenum->get_name()) << "." << capitalize((*c_iter)->get_name());
- break;
- }
- }
- } else if (type->is_struct() || type->is_xception()) {
- string cname = type_name(type);
- string ct = tmp("_c");
- out << endl;
- indent_up();
- indent(out) << "(let " << ct << " = new " << cname << " in" << endl;
- indent_up();
- 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;
- for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
- t_type* field_type = NULL;
- 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();
- }
- }
- if (field_type == NULL) {
- throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string();
- }
- string fname = v_iter->first->get_string();
- out << indent();
- out << ct << "#set_" << fname << " ";
- out << render_const_value(field_type, v_iter->second);
- out << ";" << endl;
- }
- indent(out) << ct << ")";
- indent_down();
- indent_down();
- } else if (type->is_map()) {
- t_type* ktype = ((t_map*)type)->get_key_type();
- t_type* vtype = ((t_map*)type)->get_val_type();
- const map<t_const_value*, t_const_value*>& val = value->get_map();
- map<t_const_value*, t_const_value*>::const_iterator v_iter;
- string hm = tmp("_hm");
- out << endl;
- indent_up();
- indent(out) << "(let " << hm << " = Hashtbl.create " << val.size() << " in" << endl;
- indent_up();
- for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
- string key = render_const_value(ktype, v_iter->first);
- string val = render_const_value(vtype, v_iter->second);
- indent(out) << "Hashtbl.add " << hm << " " << key << " " << val << ";" << endl;
- }
- indent(out) << hm << ")";
- indent_down();
- indent_down();
- } else if (type->is_list()) {
- t_type* etype;
- etype = ((t_list*)type)->get_elem_type();
- out << "[" << endl;
- indent_up();
- const vector<t_const_value*>& val = value->get_list();
- vector<t_const_value*>::const_iterator v_iter;
- for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
- out << indent();
- out << render_const_value(etype, *v_iter);
- out << ";" << endl;
- }
- indent_down();
- indent(out) << "]";
- } 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;
- string hm = tmp("_hm");
- indent(out) << "(let " << hm << " = Hashtbl.create " << val.size() << " in" << endl;
- indent_up();
- for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
- string val = render_const_value(etype, *v_iter);
- indent(out) << "Hashtbl.add " << hm << " " << val << " true;" << endl;
- }
- indent(out) << hm << ")" << endl;
- indent_down();
- out << endl;
- } else {
- throw "CANNOT GENERATE CONSTANT FOR TYPE: " + type->get_name();
- }
- return out.str();
-}
-
-/**
- * Generates a "struct"
- */
-void t_ocaml_generator::generate_struct(t_struct* tstruct) {
- generate_ocaml_struct(tstruct, false);
-}
-
-/**
- * Generates a struct definition for a thrift exception. Basically the same
- * as a struct, but also has an exception declaration.
- *
- * @param txception The struct definition
- */
-void t_ocaml_generator::generate_xception(t_struct* txception) {
- generate_ocaml_struct(txception, true);
-}
-
-/**
- * Generates an OCaml struct
- */
-void t_ocaml_generator::generate_ocaml_struct(t_struct* tstruct, bool is_exception) {
- generate_ocaml_struct_definition(f_types_, tstruct, is_exception);
- generate_ocaml_struct_sig(f_types_i_, tstruct, is_exception);
-}
-
-void t_ocaml_generator::generate_ocaml_method_copy(ofstream& out, const vector<t_field*>& members) {
- vector<t_field*>::const_iterator m_iter;
-
- /* Create a copy of the current object */
- indent(out) << "method copy =" << endl;
- indent_up();
- indent_up();
- indent(out) << "let _new = Oo.copy self in" << endl;
- for (m_iter = members.begin(); m_iter != members.end(); ++m_iter)
- generate_ocaml_member_copy(out, *m_iter);
-
- indent_down();
- indent(out) << "_new" << endl;
- indent_down();
-}
-
-string t_ocaml_generator::struct_member_copy_of(t_type* type, string what) {
- if (type->is_struct() || type->is_xception()) {
- return what + string("#copy");
- }
- if (type->is_map()) {
- string copy_of_k = struct_member_copy_of(((t_map*)type)->get_key_type(), "k");
- string copy_of_v = struct_member_copy_of(((t_map*)type)->get_val_type(), "v");
-
- if (copy_of_k == "k" && copy_of_v == "v") {
- return string("(Hashtbl.copy ") + what + string(")");
- } else {
- return string(
- "((fun oh -> let nh = Hashtbl.create (Hashtbl.length oh) in Hashtbl.iter (fun k v "
- "-> Hashtbl.add nh ") + copy_of_k + string(" ") + copy_of_v + string(") oh; nh) ")
- + what + ")";
- }
- }
- if (type->is_set()) {
- string copy_of = struct_member_copy_of(((t_set*)type)->get_elem_type(), "k");
-
- if (copy_of == "k") {
- return string("(Hashtbl.copy ") + what + string(")");
- } else {
- return string(
- "((fun oh -> let nh = Hashtbl.create (Hashtbl.length oh) in Hashtbl.iter (fun k v "
- "-> Hashtbl.add nh ") + copy_of + string(" true") + string(") oh; nh) ") + what
- + ")";
- }
- }
- if (type->is_list()) {
- string copy_of = struct_member_copy_of(((t_list*)type)->get_elem_type(), "x");
- if (copy_of != "x") {
- return string("(List.map (fun x -> ") + copy_of + string(") ") + what + string(")");
- } else {
- return what;
- }
- }
- return what;
-}
-
-void t_ocaml_generator::generate_ocaml_member_copy(ofstream& out, t_field* tmember) {
- string mname = decapitalize(tmember->get_name());
- t_type* type = get_true_type(tmember->get_type());
-
- string grab_field = string("self#grab_") + mname;
- string copy_of = struct_member_copy_of(type, grab_field);
- if (copy_of != grab_field) {
- indent(out);
- if (!struct_member_persistent(tmember)) {
- out << "if _" << mname << " <> None then" << endl;
- indent(out) << " ";
- }
- out << "_new#set_" << mname << " " << copy_of << ";" << endl;
- }
-}
-
-/**
- * Generates a struct definition for a thrift data type.
- *
- * @param tstruct The struct definition
- */
-void t_ocaml_generator::generate_ocaml_struct_definition(ofstream& out,
- t_struct* tstruct,
- bool is_exception) {
- const vector<t_field*>& members = tstruct->get_members();
- vector<t_field*>::const_iterator m_iter;
- string tname = type_name(tstruct);
- indent(out) << "class " << tname << " =" << endl;
- indent(out) << "object (self)" << endl;
-
- indent_up();
-
- if (members.size() > 0) {
- for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
- generate_ocaml_struct_member(out, tname, (*m_iter));
- out << endl;
- }
- }
- generate_ocaml_method_copy(out, members);
- generate_ocaml_struct_writer(out, tstruct);
- indent_down();
- indent(out) << "end" << endl;
-
- if (is_exception) {
- indent(out) << "exception " << capitalize(tname) << " of " << tname << endl;
- }
-
- generate_ocaml_struct_reader(out, tstruct);
-}
-
-/**
- * Generates a structure member for a thrift data type.
- *
- * @param tname Name of the parent structure for the member
- * @param tmember Member definition
- */
-void t_ocaml_generator::generate_ocaml_struct_member(ofstream& out,
- string tname,
- t_field* tmember) {
- string x = tmp("_x");
- string mname = decapitalize(tmember->get_name());
-
- indent(out) << "val mutable _" << mname << " : " << render_ocaml_type(tmember->get_type());
- t_const_value* val = tmember->get_value();
- if (val) {
- if (struct_member_persistent(tmember))
- out << " = " << render_const_value(tmember->get_type(), tmember->get_value()) << endl;
- else
- out << " option = Some " << render_const_value(tmember->get_type(), tmember->get_value())
- << endl;
- } else {
- // assert(!struct_member_persistent(tmember))
- out << " option = None" << endl;
- }
-
- if (struct_member_persistent(tmember)) {
- indent(out) << "method get_" << mname << " = Some _" << mname << endl;
- indent(out) << "method grab_" << mname << " = _" << mname << endl;
- indent(out) << "method set_" << mname << " " << x << " = _" << mname << " <- " << x << endl;
- } else {
- indent(out) << "method get_" << mname << " = _" << mname << endl;
- indent(out) << "method grab_" << mname << " = match _" << mname
- << " with None->raise (Field_empty \"" << tname << "." << mname << "\") | Some "
- << x << " -> " << x << endl;
- indent(out) << "method set_" << mname << " " << x << " = _" << mname << " <- Some " << x
- << endl;
- indent(out) << "method unset_" << mname << " = _" << mname << " <- None" << endl;
- }
-
- indent(out) << "method reset_" << mname << " = _" << mname << " <- ";
- if (val) {
- if (struct_member_persistent(tmember))
- out << render_const_value(tmember->get_type(), tmember->get_value()) << endl;
- else
- out << "Some " << render_const_value(tmember->get_type(), tmember->get_value()) << endl;
- } else {
- out << "None" << endl;
- }
-}
-
-/**
- * Check whether a member of the structure can not have undefined value
- *
- * @param tmember Member definition
- */
-bool t_ocaml_generator::struct_member_persistent(t_field* tmember) {
- t_const_value* val = tmember->get_value();
- return (val ? true : false);
-}
-
-/**
- * Check whether a member of the structure can be skipped during encoding
- *
- * @param tmember Member definition
- */
-bool t_ocaml_generator::struct_member_omitable(t_field* tmember) {
- return (tmember->get_req() != t_field::T_REQUIRED);
-}
-
-/**
- * Figure out whether a member of the structure has
- * a cheaply comparable default value.
- *
- * @param tmember Member definition
- */
-bool t_ocaml_generator::struct_member_default_cheaply_comparable(t_field* tmember) {
- t_type* type = get_true_type(tmember->get_type());
- t_const_value* val = tmember->get_value();
- if (!val) {
- return false;
- } else if (type->is_base_type()) {
- // Base types are generally cheaply compared for structural equivalence.
- switch (((t_base_type*)type)->get_base()) {
- case t_base_type::TYPE_DOUBLE:
- if (val->get_double() == 0.0)
- return true;
- else
- return false;
- default:
- return true;
- }
- } else if (type->is_list()) {
- // Empty lists are cheaply compared for structural equivalence.
- // Is empty list?
- if (val->get_list().size() == 0)
- return true;
- else
- return false;
- } else {
- return false;
- }
-}
-
-/**
- * Generates a struct definition for a thrift data type.
- *
- * @param tstruct The struct definition
- */
-void t_ocaml_generator::generate_ocaml_struct_sig(ofstream& out,
- t_struct* tstruct,
- bool is_exception) {
- const vector<t_field*>& members = tstruct->get_members();
- vector<t_field*>::const_iterator m_iter;
- string tname = type_name(tstruct);
- indent(out) << "class " << tname << " :" << endl;
- indent(out) << "object ('a)" << endl;
-
- indent_up();
-
- string x = tmp("_x");
- if (members.size() > 0) {
- for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
- string mname = decapitalize((*m_iter)->get_name());
- string type = render_ocaml_type((*m_iter)->get_type());
- indent(out) << "method get_" << mname << " : " << type << " option" << endl;
- indent(out) << "method grab_" << mname << " : " << type << endl;
- indent(out) << "method set_" << mname << " : " << type << " -> unit" << endl;
- if (!struct_member_persistent(*m_iter))
- indent(out) << "method unset_" << mname << " : unit" << endl;
- indent(out) << "method reset_" << mname << " : unit" << endl;
- }
- }
- indent(out) << "method copy : 'a" << endl;
- indent(out) << "method write : Protocol.t -> unit" << endl;
- indent_down();
- indent(out) << "end" << endl;
-
- if (is_exception) {
- indent(out) << "exception " << capitalize(tname) << " of " << tname << endl;
- }
-
- indent(out) << "val read_" << tname << " : Protocol.t -> " << tname << endl;
-}
-
-/**
- * Generates the read method for a struct
- */
-void t_ocaml_generator::generate_ocaml_struct_reader(ofstream& out, t_struct* tstruct) {
- const vector<t_field*>& fields = tstruct->get_members();
- vector<t_field*>::const_iterator f_iter;
- string sname = type_name(tstruct);
- string str = tmp("_str");
- string t = tmp("_t");
- string id = tmp("_id");
- indent(out) << "let rec read_" << sname << " (iprot : Protocol.t) =" << endl;
- indent_up();
- indent(out) << "let " << str << " = new " << sname << " in" << endl;
- indent_up();
- indent(out) << "ignore(iprot#readStructBegin);" << endl;
-
- // Loop over reading in fields
- indent(out) << "(try while true do" << endl;
- indent_up();
- indent_up();
-
- // Read beginning field marker
- indent(out) << "let (_," << t << "," << id << ") = iprot#readFieldBegin in" << endl;
-
- // Check for field STOP marker and break
- indent(out) << "if " << t << " = Protocol.T_STOP then" << endl;
- indent_up();
- indent(out) << "raise Break" << endl;
- indent_down();
- indent(out) << "else ();" << endl;
-
- indent(out) << "(match " << id << " with " << endl;
- indent_up();
- // Generate deserialization code for known cases
- for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
- indent(out) << "| " << (*f_iter)->get_key() << " -> (";
- out << "if " << t << " = " << type_to_enum((*f_iter)->get_type()) << " then" << endl;
- indent_up();
- indent_up();
- generate_deserialize_field(out, *f_iter, str);
- indent_down();
- out << indent() << "else" << endl << indent() << " iprot#skip " << t << ")" << endl;
- indent_down();
- }
-
- // In the default case we skip the field
- out << indent() << "| _ -> "
- << "iprot#skip " << t << ");" << endl;
- indent_down();
- // Read field end marker
- indent(out) << "iprot#readFieldEnd;" << endl;
- indent_down();
- indent(out) << "done; ()" << endl;
- indent_down();
- indent(out) << "with Break -> ());" << endl;
-
- indent(out) << "iprot#readStructEnd;" << endl;
-
- indent(out) << str << endl << endl;
- indent_down();
- indent_down();
-}
-
-void t_ocaml_generator::generate_ocaml_struct_writer(ofstream& out, t_struct* tstruct) {
- string name = tstruct->get_name();
- const vector<t_field*>& fields = tstruct->get_sorted_members();
- vector<t_field*>::const_iterator f_iter;
- string str = tmp("_str");
- string f = tmp("_f");
-
- indent(out) << "method write (oprot : Protocol.t) =" << endl;
- indent_up();
- indent(out) << "oprot#writeStructBegin \"" << name << "\";" << endl;
-
- for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
- t_field* tmember = (*f_iter);
- string mname = "_" + decapitalize(tmember->get_name());
- string _v;
-
- if (struct_member_persistent(tmember)) {
-
- if (struct_member_omitable(tmember) && struct_member_default_cheaply_comparable(tmember)) {
- _v = "_v";
- // Avoid redundant encoding of members having default values.
- indent(out) << "(match " << mname << " with "
- << render_const_value(tmember->get_type(), tmember->get_value()) << " -> () | "
- << _v << " -> " << endl;
- } else {
- _v = mname;
- indent(out) << "(" << endl;
- }
-
- } else {
-
- indent(out) << "(match " << mname << " with ";
-
- if (struct_member_omitable(tmember)) {
- out << "None -> ()";
-
- if (struct_member_default_cheaply_comparable(tmember)) {
- // Avoid redundant encoding of members having default values.
- out << " | Some " << render_const_value(tmember->get_type(), tmember->get_value())
- << " -> ()";
- }
- out << " | Some _v -> " << endl;
- } else {
- out << endl;
- indent(out) << "| None -> raise (Field_empty \"" << type_name(tstruct) << "." << mname
- << "\")" << endl;
- indent(out) << "| Some _v -> " << endl;
- }
-
- _v = "_v";
- }
- indent_up();
- // Write field header
- indent(out) << "oprot#writeFieldBegin(\"" << tmember->get_name() << "\","
- << type_to_enum(tmember->get_type()) << "," << tmember->get_key() << ");" << endl;
-
- // Write field contents
- generate_serialize_field(out, tmember, _v);
-
- // Write field closer
- indent(out) << "oprot#writeFieldEnd" << endl;
-
- indent_down();
- indent(out) << ");" << endl;
- }
-
- // Write the struct map
- out << indent() << "oprot#writeFieldStop;" << endl << indent() << "oprot#writeStructEnd" << endl;
-
- indent_down();
-}
-
-/**
- * Generates a thrift service.
- *
- * @param tservice The service definition
- */
-void t_ocaml_generator::generate_service(t_service* tservice) {
- string f_service_name = get_out_dir() + capitalize(service_name_) + ".ml";
- f_service_.open(f_service_name.c_str());
- string f_service_i_name = get_out_dir() + capitalize(service_name_) + ".mli";
- f_service_i_.open(f_service_i_name.c_str());
-
- f_service_ << ocaml_autogen_comment() << endl << ocaml_imports() << endl;
- f_service_i_ << ocaml_autogen_comment() << endl << ocaml_imports() << endl;
-
- /* if (tservice->get_extends() != NULL) {
- f_service_ <<
- "open " << capitalize(tservice->get_extends()->get_name()) << endl;
- f_service_i_ <<
- "open " << capitalize(tservice->get_extends()->get_name()) << endl;
- }
- */
- f_service_ << "open " << capitalize(program_name_) << "_types" << endl << endl;
-
- f_service_i_ << "open " << capitalize(program_name_) << "_types" << endl << endl;
-
- // Generate the three main parts of the service
- generate_service_helpers(tservice);
- generate_service_interface(tservice);
- generate_service_client(tservice);
- generate_service_server(tservice);
-
- // Close service file
- f_service_.close();
- f_service_i_.close();
-}
-
-/**
- * Generates helper functions for a service.
- *
- * @param tservice The service to generate a header definition for
- */
-void t_ocaml_generator::generate_service_helpers(t_service* tservice) {
- vector<t_function*> functions = tservice->get_functions();
- vector<t_function*>::iterator f_iter;
-
- indent(f_service_) << "(* HELPER FUNCTIONS AND STRUCTURES *)" << endl << endl;
-
- for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
- t_struct* ts = (*f_iter)->get_arglist();
- generate_ocaml_struct_definition(f_service_, ts, false);
- generate_ocaml_function_helpers(*f_iter);
- }
-}
-
-/**
- * Generates a struct and helpers for a function.
- *
- * @param tfunction The function
- */
-void t_ocaml_generator::generate_ocaml_function_helpers(t_function* tfunction) {
- t_struct result(program_, decapitalize(tfunction->get_name()) + "_result");
- t_field success(tfunction->get_returntype(), "success", 0);
- if (!tfunction->get_returntype()->is_void()) {
- result.append(&success);
- }
-
- t_struct* xs = tfunction->get_xceptions();
- const vector<t_field*>& fields = xs->get_members();
- vector<t_field*>::const_iterator f_iter;
- for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
- result.append(*f_iter);
- }
- generate_ocaml_struct_definition(f_service_, &result, false);
-}
-
-/**
- * Generates a service interface definition.
- *
- * @param tservice The service to generate a header definition for
- */
-void t_ocaml_generator::generate_service_interface(t_service* tservice) {
- f_service_ << indent() << "class virtual iface =" << endl << "object (self)" << endl;
- f_service_i_ << indent() << "class virtual iface :" << endl << "object" << endl;
-
- indent_up();
-
- if (tservice->get_extends() != NULL) {
- string extends = type_name(tservice->get_extends());
- indent(f_service_) << "inherit " << extends << ".iface" << endl;
- indent(f_service_i_) << "inherit " << extends << ".iface" << endl;
- }
-
- vector<t_function*> functions = tservice->get_functions();
- vector<t_function*>::iterator f_iter;
- for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
- string ft = function_type(*f_iter, true, true);
- f_service_ << indent() << "method virtual " << decapitalize((*f_iter)->get_name()) << " : "
- << ft << endl;
- f_service_i_ << indent() << "method virtual " << decapitalize((*f_iter)->get_name()) << " : "
- << ft << endl;
- }
- indent_down();
- indent(f_service_) << "end" << endl << endl;
- indent(f_service_i_) << "end" << endl << endl;
-}
-
-/**
- * Generates a service client definition. Note that in OCaml, the client doesn't implement iface.
- *This is because
- * The client does not (and should not have to) deal with arguments being None.
- *
- * @param tservice The service to generate a server for.
- */
-void t_ocaml_generator::generate_service_client(t_service* tservice) {
- string extends = "";
- indent(f_service_) << "class client (iprot : Protocol.t) (oprot : Protocol.t) =" << endl
- << "object (self)" << endl;
- indent(f_service_i_) << "class client : Protocol.t -> Protocol.t -> " << endl << "object" << endl;
- indent_up();
-
- if (tservice->get_extends() != NULL) {
- extends = type_name(tservice->get_extends());
- indent(f_service_) << "inherit " << extends << ".client iprot oprot as super" << endl;
- indent(f_service_i_) << "inherit " << extends << ".client" << endl;
- }
- indent(f_service_) << "val mutable seqid = 0" << endl;
-
- // Generate client method implementations
- 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) {
- t_struct* arg_struct = (*f_iter)->get_arglist();
- const vector<t_field*>& fields = arg_struct->get_members();
- vector<t_field*>::const_iterator fld_iter;
- string funname = (*f_iter)->get_name();
-
- // Open function
- indent(f_service_) << "method " << function_signature(*f_iter) << " = " << endl;
- indent(f_service_i_) << "method " << decapitalize((*f_iter)->get_name()) << " : "
- << function_type(*f_iter, true, false) << endl;
- indent_up();
- indent(f_service_) << "self#send_" << funname;
-
- for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) {
- f_service_ << " " << decapitalize((*fld_iter)->get_name());
- }
- f_service_ << ";" << endl;
-
- if (!(*f_iter)->is_oneway()) {
- f_service_ << indent();
- f_service_ << "self#recv_" << funname << endl;
- }
- indent_down();
-
- indent(f_service_) << "method private send_" << function_signature(*f_iter) << " = " << endl;
- indent_up();
-
- std::string argsname = decapitalize((*f_iter)->get_name() + "_args");
-
- // Serialize the request header
- f_service_ << indent() << "oprot#writeMessageBegin (\"" << (*f_iter)->get_name() << "\", "
- << ((*f_iter)->is_oneway() ? "Protocol.ONEWAY" : "Protocol.CALL") << ", seqid);"
- << endl;
-
- f_service_ << indent() << "let args = new " << argsname << " in" << endl;
- indent_up();
-
- for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) {
- f_service_ << indent() << "args#set_" << (*fld_iter)->get_name() << " "
- << (*fld_iter)->get_name() << ";" << endl;
- }
-
- // Write to the stream
- f_service_ << indent() << "args#write oprot;" << endl << indent() << "oprot#writeMessageEnd;"
- << endl << indent() << "oprot#getTransport#flush" << endl;
-
- indent_down();
- indent_down();
-
- if (!(*f_iter)->is_oneway()) {
- std::string resultname = decapitalize((*f_iter)->get_name() + "_result");
- t_struct noargs(program_);
-
- t_function recv_function((*f_iter)->get_returntype(),
- string("recv_") + (*f_iter)->get_name(),
- &noargs);
- // Open function
- f_service_ << indent() << "method private " << function_signature(&recv_function) << " ="
- << endl;
- indent_up();
-
- // TODO(mcslee): Validate message reply here, seq ids etc.
-
- f_service_ << indent() << "let (fname, mtype, rseqid) = iprot#readMessageBegin in" << endl;
- indent_up();
- f_service_ << indent() << "(if mtype = Protocol.EXCEPTION then" << endl << indent()
- << " let x = Application_Exn.read iprot in" << endl;
- indent_up();
- f_service_ << indent() << " (iprot#readMessageEnd;" << indent()
- << " raise (Application_Exn.E x))" << endl;
- indent_down();
- f_service_ << indent() << "else ());" << endl;
- string res = "_";
-
- t_struct* xs = (*f_iter)->get_xceptions();
- const std::vector<t_field*>& xceptions = xs->get_members();
-
- if (!(*f_iter)->get_returntype()->is_void() || xceptions.size() > 0) {
- res = "result";
- }
- f_service_ << indent() << "let " << res << " = read_" << resultname << " iprot in" << endl;
- indent_up();
- f_service_ << indent() << "iprot#readMessageEnd;" << endl;
-
- // Careful, only return _result if not a void function
- if (!(*f_iter)->get_returntype()->is_void()) {
- f_service_ << indent() << "match result#get_success with Some v -> v | None -> (" << endl;
- indent_up();
- }
-
- vector<t_field*>::const_iterator x_iter;
- for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
- f_service_ << indent() << "(match result#get_" << (*x_iter)->get_name()
- << " with None -> () | Some _v ->" << endl;
- indent(f_service_) << " raise (" << capitalize(type_name((*x_iter)->get_type()))
- << " _v));" << endl;
- }
-
- // Careful, only return _result if not a void function
- if ((*f_iter)->get_returntype()->is_void()) {
- indent(f_service_) << "()" << endl;
- } else {
- f_service_
- << indent()
- << "raise (Application_Exn.E (Application_Exn.create Application_Exn.MISSING_RESULT \""
- << (*f_iter)->get_name() << " failed: unknown result\")))" << endl;
- indent_down();
- }
-
- // Close function
- indent_down();
- indent_down();
- indent_down();
- }
- }
-
- indent_down();
- indent(f_service_) << "end" << endl << endl;
- indent(f_service_i_) << "end" << endl << endl;
-}
-
-/**
- * Generates a service server definition.
- *
- * @param tservice The service to generate a server for.
- */
-void t_ocaml_generator::generate_service_server(t_service* tservice) {
- // Generate the dispatch methods
- vector<t_function*> functions = tservice->get_functions();
- vector<t_function*>::iterator f_iter;
-
- // Generate the header portion
- indent(f_service_) << "class processor (handler : iface) =" << endl << indent() << "object (self)"
- << endl;
- indent(f_service_i_) << "class processor : iface ->" << endl << indent() << "object" << endl;
- indent_up();
-
- f_service_ << indent() << "inherit Processor.t" << endl << endl;
- f_service_i_ << indent() << "inherit Processor.t" << endl << endl;
- string extends = "";
-
- if (tservice->get_extends() != NULL) {
- extends = type_name(tservice->get_extends());
- indent(f_service_) << "inherit " + extends + ".processor (handler :> " + extends + ".iface)"
- << endl;
- indent(f_service_i_) << "inherit " + extends + ".processor" << endl;
- }
-
- if (extends.empty()) {
- indent(f_service_) << "val processMap = Hashtbl.create " << functions.size() << endl;
- }
- indent(f_service_i_)
- << "val processMap : (string, int * Protocol.t * Protocol.t -> unit) Hashtbl.t" << endl;
-
- // Generate the server implementation
- indent(f_service_) << "method process iprot oprot =" << endl;
- indent(f_service_i_) << "method process : Protocol.t -> Protocol.t -> bool" << endl;
- indent_up();
-
- f_service_ << indent() << "let (name, typ, seqid) = iprot#readMessageBegin in" << endl;
- indent_up();
- // TODO(mcslee): validate message
-
- // HOT: dictionary function lookup
- f_service_ << indent() << "if Hashtbl.mem processMap name then" << endl << indent()
- << " (Hashtbl.find processMap name) (seqid, iprot, oprot)" << endl << indent()
- << "else (" << endl << indent() << " iprot#skip(Protocol.T_STRUCT);" << endl
- << indent() << " iprot#readMessageEnd;" << endl << indent()
- << " let x = Application_Exn.create Application_Exn.UNKNOWN_METHOD (\"Unknown "
- "function \"^name) in" << endl << indent()
- << " oprot#writeMessageBegin(name, Protocol.EXCEPTION, seqid);" << endl << indent()
- << " x#write oprot;" << endl << indent() << " oprot#writeMessageEnd;" << endl
- << indent() << " oprot#getTransport#flush" << endl << indent() << ");" << endl;
-
- // Read end of args field, the T_STOP, and the struct close
- f_service_ << indent() << "true" << endl;
- indent_down();
- indent_down();
- // Generate the process subfunctions
- for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
- generate_process_function(tservice, *f_iter);
- }
-
- indent(f_service_) << "initializer" << endl;
- indent_up();
- for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
- f_service_ << indent() << "Hashtbl.add processMap \"" << (*f_iter)->get_name()
- << "\" self#process_" << (*f_iter)->get_name() << ";" << endl;
- }
- indent_down();
-
- indent_down();
- indent(f_service_) << "end" << endl << endl;
- indent(f_service_i_) << "end" << endl << endl;
-}
-
-/**
- * Generates a process function definition.
- *
- * @param tfunction The function to write a dispatcher for
- */
-void t_ocaml_generator::generate_process_function(t_service* tservice, t_function* tfunction) {
- (void)tservice;
- // Open function
- indent(f_service_) << "method private process_" << tfunction->get_name()
- << " (seqid, iprot, oprot) =" << endl;
- indent_up();
-
- string argsname = decapitalize(tfunction->get_name()) + "_args";
- string resultname = decapitalize(tfunction->get_name()) + "_result";
-
- // Generate the function call
- t_struct* arg_struct = tfunction->get_arglist();
- const std::vector<t_field*>& fields = arg_struct->get_members();
- vector<t_field*>::const_iterator f_iter;
-
- string args = "args";
- if (fields.size() == 0) {
- args = "_";
- }
-
- f_service_ << indent() << "let " << args << " = read_" << argsname << " iprot in" << endl;
- indent_up();
- f_service_ << indent() << "iprot#readMessageEnd;" << endl;
-
- t_struct* xs = tfunction->get_xceptions();
- const std::vector<t_field*>& xceptions = xs->get_members();
- vector<t_field*>::const_iterator x_iter;
-
- // Declare result for non oneway function
- if (!tfunction->is_oneway()) {
- f_service_ << indent() << "let result = new " << resultname << " in" << endl;
- indent_up();
- }
-
- // Try block for a function with exceptions
- if (xceptions.size() > 0) {
- f_service_ << indent() << "(try" << endl;
- indent_up();
- }
-
- f_service_ << indent();
- if (!tfunction->is_oneway() && !tfunction->get_returntype()->is_void()) {
- f_service_ << "result#set_success ";
- }
- f_service_ << "(handler#" << tfunction->get_name();
- for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
- f_service_ << " args#get_" << (*f_iter)->get_name();
- }
- f_service_ << ");" << endl;
-
- if (xceptions.size() > 0) {
- indent_down();
- indent(f_service_) << "with" << endl;
- indent_up();
- for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
- f_service_ << indent() << "| " << capitalize(type_name((*x_iter)->get_type())) << " "
- << (*x_iter)->get_name() << " -> " << endl;
- indent_up();
- indent_up();
- if (!tfunction->is_oneway()) {
- f_service_ << indent() << "result#set_" << (*x_iter)->get_name() << " "
- << (*x_iter)->get_name() << endl;
- } else {
- indent(f_service_) << "()";
- }
- indent_down();
- indent_down();
- }
- indent_down();
- f_service_ << indent() << ");" << endl;
- }
-
- // Shortcut out here for oneway functions
- if (tfunction->is_oneway()) {
- f_service_ << indent() << "()" << endl;
- indent_down();
- indent_down();
- return;
- }
-
- f_service_ << indent() << "oprot#writeMessageBegin (\"" << tfunction->get_name()
- << "\", Protocol.REPLY, seqid);" << endl << indent() << "result#write oprot;" << endl
- << indent() << "oprot#writeMessageEnd;" << endl << indent()
- << "oprot#getTransport#flush" << endl;
-
- // Close function
- indent_down();
- indent_down();
- indent_down();
-}
-
-/**
- * Deserializes a field of any type.
- */
-void t_ocaml_generator::generate_deserialize_field(ofstream& out, t_field* tfield, string prefix) {
- t_type* type = tfield->get_type();
-
- string name = decapitalize(tfield->get_name());
- indent(out) << prefix << "#set_" << name << " ";
- generate_deserialize_type(out, type);
- out << endl;
-}
-
-/**
- * Deserializes a field of any type.
- */
-void t_ocaml_generator::generate_deserialize_type(ofstream& out, t_type* type) {
- type = get_true_type(type);
-
- if (type->is_void()) {
- throw "CANNOT GENERATE DESERIALIZE CODE FOR void TYPE";
- }
-
- if (type->is_struct() || type->is_xception()) {
- generate_deserialize_struct(out, (t_struct*)type);
- } else if (type->is_container()) {
- generate_deserialize_container(out, type);
- } else if (type->is_base_type()) {
- out << "iprot#";
- t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
- switch (tbase) {
- case t_base_type::TYPE_VOID:
- throw "compiler error: cannot serialize void field in a struct";
- break;
- case t_base_type::TYPE_STRING:
- out << "readString";
- break;
- case t_base_type::TYPE_BOOL:
- out << "readBool";
- break;
- case t_base_type::TYPE_BYTE:
- out << "readByte";
- break;
- case t_base_type::TYPE_I16:
- out << "readI16";
- break;
- case t_base_type::TYPE_I32:
- out << "readI32";
- break;
- case t_base_type::TYPE_I64:
- out << "readI64";
- break;
- case t_base_type::TYPE_DOUBLE:
- out << "readDouble";
- break;
- default:
- throw "compiler error: no ocaml name for base type " + t_base_type::t_base_name(tbase);
- }
- } else if (type->is_enum()) {
- string ename = capitalize(type->get_name());
- out << "(" << ename << ".of_i iprot#readI32)";
- } else {
- printf("DO NOT KNOW HOW TO DESERIALIZE TYPE '%s'\n", type->get_name().c_str());
- }
-}
-
-/**
- * Generates an unserializer for a struct, calling read()
- */
-void t_ocaml_generator::generate_deserialize_struct(ofstream& out, t_struct* tstruct) {
- string prefix = "";
- t_program* program = tstruct->get_program();
- if (program != NULL && program != program_) {
- prefix = capitalize(program->get_name()) + "_types.";
- }
- string name = decapitalize(tstruct->get_name());
- out << "(" << prefix << "read_" << name << " iprot)";
-}
-
-/**
- * Serialize a container by writing out the header followed by
- * data and then a footer.
- */
-void t_ocaml_generator::generate_deserialize_container(ofstream& out, t_type* ttype) {
- string size = tmp("_size");
- string ktype = tmp("_ktype");
- string vtype = tmp("_vtype");
- string etype = tmp("_etype");
- string con = tmp("_con");
-
- t_field fsize(g_type_i32, size);
- t_field fktype(g_type_byte, ktype);
- t_field fvtype(g_type_byte, vtype);
- t_field fetype(g_type_byte, etype);
-
- out << endl;
- indent_up();
- // Declare variables, read header
- if (ttype->is_map()) {
- indent(out) << "(let (" << ktype << "," << vtype << "," << size << ") = iprot#readMapBegin in"
- << endl;
- indent(out) << "let " << con << " = Hashtbl.create " << size << " in" << endl;
- indent_up();
- indent(out) << "for i = 1 to " << size << " do" << endl;
- indent_up();
- indent(out) << "let _k = ";
- generate_deserialize_type(out, ((t_map*)ttype)->get_key_type());
- out << " in" << endl;
- indent(out) << "let _v = ";
- generate_deserialize_type(out, ((t_map*)ttype)->get_val_type());
- out << " in" << endl;
- indent_up();
- indent(out) << "Hashtbl.add " << con << " _k _v" << endl;
- indent_down();
- indent_down();
- indent(out) << "done; iprot#readMapEnd; " << con << ")";
- indent_down();
- } else if (ttype->is_set()) {
- indent(out) << "(let (" << etype << "," << size << ") = iprot#readSetBegin in" << endl;
- indent(out) << "let " << con << " = Hashtbl.create " << size << " in" << endl;
- indent_up();
- indent(out) << "for i = 1 to " << size << " do" << endl;
- indent_up();
- indent(out) << "Hashtbl.add " << con << " ";
- generate_deserialize_type(out, ((t_set*)ttype)->get_elem_type());
- out << " true" << endl;
- indent_down();
- indent(out) << "done; iprot#readSetEnd; " << con << ")";
- indent_down();
- } else if (ttype->is_list()) {
- indent(out) << "(let (" << etype << "," << size << ") = iprot#readListBegin in" << endl;
- indent_up();
- indent(out) << "let " << con << " = (Array.to_list (Array.init " << size << " (fun _ -> ";
- generate_deserialize_type(out, ((t_list*)ttype)->get_elem_type());
- out << "))) in" << endl;
- indent_up();
- indent(out) << "iprot#readListEnd; " << con << ")";
- indent_down();
- indent_down();
- }
- indent_down();
-}
-
-/**
- * Serializes a field of any type.
- *
- * @param tfield The field to serialize
- * @param prefix Name to prepend to field name
- */
-void t_ocaml_generator::generate_serialize_field(ofstream& out, t_field* tfield, string name) {
- t_type* type = get_true_type(tfield->get_type());
-
- // Do nothing for void types
- if (type->is_void()) {
- throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " + tfield->get_name();
- }
-
- if (name.length() == 0) {
- name = decapitalize(tfield->get_name());
- }
-
- if (type->is_struct() || type->is_xception()) {
- generate_serialize_struct(out, (t_struct*)type, name);
- } else if (type->is_container()) {
- generate_serialize_container(out, type, name);
- } else if (type->is_base_type() || type->is_enum()) {
-
- indent(out) << "oprot#";
-
- 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 "compiler error: cannot serialize void field in a struct: " + name;
- break;
- case t_base_type::TYPE_STRING:
- out << "writeString(" << name << ")";
- break;
- case t_base_type::TYPE_BOOL:
- out << "writeBool(" << name << ")";
- break;
- case t_base_type::TYPE_BYTE:
- out << "writeByte(" << name << ")";
- break;
- case t_base_type::TYPE_I16:
- out << "writeI16(" << name << ")";
- break;
- case t_base_type::TYPE_I32:
- out << "writeI32(" << name << ")";
- break;
- case t_base_type::TYPE_I64:
- out << "writeI64(" << name << ")";
- break;
- case t_base_type::TYPE_DOUBLE:
- out << "writeDouble(" << name << ")";
- break;
- default:
- throw "compiler error: no ocaml name for base type " + t_base_type::t_base_name(tbase);
- }
- } else if (type->is_enum()) {
- string ename = capitalize(type->get_name());
- out << "writeI32(" << ename << ".to_i " << name << ")";
- }
-
- } else {
- printf("DO NOT KNOW HOW TO SERIALIZE FIELD '%s' TYPE '%s'\n",
- tfield->get_name().c_str(),
- type->get_name().c_str());
- }
- out << ";" << endl;
-}
-
-/**
- * Serializes all the members of a struct.
- *
- * @param tstruct The struct to serialize
- * @param prefix String prefix to attach to all fields
- */
-void t_ocaml_generator::generate_serialize_struct(ofstream& out, t_struct* tstruct, string prefix) {
- (void)tstruct;
- indent(out) << prefix << "#write(oprot)";
-}
-
-void t_ocaml_generator::generate_serialize_container(ofstream& out, t_type* ttype, string prefix) {
- if (ttype->is_map()) {
- indent(out) << "oprot#writeMapBegin(" << type_to_enum(((t_map*)ttype)->get_key_type()) << ",";
- out << type_to_enum(((t_map*)ttype)->get_val_type()) << ",";
- out << "Hashtbl.length " << prefix << ");" << endl;
- } else if (ttype->is_set()) {
- indent(out) << "oprot#writeSetBegin(" << type_to_enum(((t_set*)ttype)->get_elem_type()) << ",";
- out << "Hashtbl.length " << prefix << ");" << endl;
- } else if (ttype->is_list()) {
- indent(out) << "oprot#writeListBegin(" << type_to_enum(((t_list*)ttype)->get_elem_type())
- << ",";
- out << "List.length " << prefix << ");" << endl;
- }
-
- if (ttype->is_map()) {
- string kiter = tmp("_kiter");
- string viter = tmp("_viter");
- indent(out) << "Hashtbl.iter (fun " << kiter << " -> fun " << viter << " -> " << endl;
- indent_up();
- generate_serialize_map_element(out, (t_map*)ttype, kiter, viter);
- indent_down();
- indent(out) << ") " << prefix << ";" << endl;
- } else if (ttype->is_set()) {
- string iter = tmp("_iter");
- indent(out) << "Hashtbl.iter (fun " << iter << " -> fun _ -> ";
- indent_up();
- generate_serialize_set_element(out, (t_set*)ttype, iter);
- indent_down();
- indent(out) << ") " << prefix << ";" << endl;
- } else if (ttype->is_list()) {
- string iter = tmp("_iter");
- indent(out) << "List.iter (fun " << iter << " -> ";
- indent_up();
- generate_serialize_list_element(out, (t_list*)ttype, iter);
- indent_down();
- indent(out) << ") " << prefix << ";" << endl;
- }
-
- if (ttype->is_map()) {
- indent(out) << "oprot#writeMapEnd";
- } else if (ttype->is_set()) {
- indent(out) << "oprot#writeSetEnd";
- } else if (ttype->is_list()) {
- indent(out) << "oprot#writeListEnd";
- }
-}
-
-/**
- * Serializes the members of a map.
- *
- */
-void t_ocaml_generator::generate_serialize_map_element(ofstream& out,
- t_map* tmap,
- string kiter,
- string viter) {
- t_field kfield(tmap->get_key_type(), kiter);
- generate_serialize_field(out, &kfield);
-
- t_field vfield(tmap->get_val_type(), viter);
- generate_serialize_field(out, &vfield);
-}
-
-/**
- * Serializes the members of a set.
- */
-void t_ocaml_generator::generate_serialize_set_element(ofstream& out, t_set* tset, string iter) {
- t_field efield(tset->get_elem_type(), iter);
- generate_serialize_field(out, &efield);
-}
-
-/**
- * Serializes the members of a list.
- */
-void t_ocaml_generator::generate_serialize_list_element(ofstream& out, t_list* tlist, string iter) {
- t_field efield(tlist->get_elem_type(), iter);
- generate_serialize_field(out, &efield);
-}
-
-/**
- * Renders a function signature of the form 'name args'
- *
- * @param tfunction Function definition
- * @return String of rendered function definition
- */
-string t_ocaml_generator::function_signature(t_function* tfunction, string prefix) {
- return prefix + decapitalize(tfunction->get_name()) + " "
- + argument_list(tfunction->get_arglist());
-}
-
-string t_ocaml_generator::function_type(t_function* tfunc, bool method, bool options) {
- string result = "";
-
- const vector<t_field*>& fields = tfunc->get_arglist()->get_members();
- vector<t_field*>::const_iterator f_iter;
- for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
- result += render_ocaml_type((*f_iter)->get_type());
- if (options)
- result += " option";
- result += " -> ";
- }
- if (fields.empty() && !method) {
- result += "unit -> ";
- }
- result += render_ocaml_type(tfunc->get_returntype());
- return result;
-}
-
-/**
- * Renders a field list
- */
-string t_ocaml_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 += (*f_iter)->get_name();
- }
- return result;
-}
-
-string t_ocaml_generator::type_name(t_type* ttype) {
- string prefix = "";
- t_program* program = ttype->get_program();
- if (program != NULL && program != program_) {
- if (!ttype->is_service()) {
- prefix = capitalize(program->get_name()) + "_types.";
- }
- }
-
- string name = ttype->get_name();
- if (ttype->is_service()) {
- name = capitalize(name);
- } else {
- name = decapitalize(name);
- }
- return prefix + name;
-}
-
-/**
- * Converts the parse type to a Protocol.t_type enum
- */
-string t_ocaml_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:
- return "Protocol.T_VOID";
- case t_base_type::TYPE_STRING:
- return "Protocol.T_STRING";
- case t_base_type::TYPE_BOOL:
- return "Protocol.T_BOOL";
- case t_base_type::TYPE_BYTE:
- return "Protocol.T_BYTE";
- case t_base_type::TYPE_I16:
- return "Protocol.T_I16";
- case t_base_type::TYPE_I32:
- return "Protocol.T_I32";
- case t_base_type::TYPE_I64:
- return "Protocol.T_I64";
- case t_base_type::TYPE_DOUBLE:
- return "Protocol.T_DOUBLE";
- }
- } else if (type->is_enum()) {
- return "Protocol.T_I32";
- } else if (type->is_struct() || type->is_xception()) {
- return "Protocol.T_STRUCT";
- } else if (type->is_map()) {
- return "Protocol.T_MAP";
- } else if (type->is_set()) {
- return "Protocol.T_SET";
- } else if (type->is_list()) {
- return "Protocol.T_LIST";
- }
-
- throw "INVALID TYPE IN type_to_enum: " + type->get_name();
-}
-
-/**
- * Converts the parse type to an ocaml type
- */
-string t_ocaml_generator::render_ocaml_type(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:
- return "unit";
- case t_base_type::TYPE_STRING:
- return "string";
- case t_base_type::TYPE_BOOL:
- return "bool";
- case t_base_type::TYPE_BYTE:
- return "int";
- case t_base_type::TYPE_I16:
- return "int";
- case t_base_type::TYPE_I32:
- return "Int32.t";
- case t_base_type::TYPE_I64:
- return "Int64.t";
- case t_base_type::TYPE_DOUBLE:
- return "float";
- }
- } else if (type->is_enum()) {
- return capitalize(((t_enum*)type)->get_name()) + ".t";
- } else if (type->is_struct() || type->is_xception()) {
- return type_name((t_struct*)type);
- } else if (type->is_map()) {
- t_type* ktype = ((t_map*)type)->get_key_type();
- t_type* vtype = ((t_map*)type)->get_val_type();
- return "(" + render_ocaml_type(ktype) + "," + render_ocaml_type(vtype) + ") Hashtbl.t";
- } else if (type->is_set()) {
- t_type* etype = ((t_set*)type)->get_elem_type();
- return "(" + render_ocaml_type(etype) + ",bool) Hashtbl.t";
- } else if (type->is_list()) {
- t_type* etype = ((t_list*)type)->get_elem_type();
- return render_ocaml_type(etype) + " list";
- }
-
- throw "INVALID TYPE IN type_to_enum: " + type->get_name();
-}
-
-THRIFT_REGISTER_GENERATOR(ocaml, "OCaml", "")
http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/72ea8afd/depends/thirdparty/thrift/compiler/cpp/src/generate/t_oop_generator.h
----------------------------------------------------------------------
diff --git a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_oop_generator.h b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_oop_generator.h
deleted file mode 100644
index 925d108..0000000
--- a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_oop_generator.h
+++ /dev/null
@@ -1,129 +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.
- */
-
-#ifndef T_OOP_GENERATOR_H
-#define T_OOP_GENERATOR_H
-
-#include <string>
-#include <iostream>
-
-#include "globals.h"
-#include "t_generator.h"
-#include "version.h"
-
-#include <algorithm>
-
-/**
- * Class with utility methods shared across common object oriented languages.
- * Specifically, most of this stuff is for C++/Java.
- *
- */
-class t_oop_generator : public t_generator {
-public:
- t_oop_generator(t_program* program) : t_generator(program) {}
-
- /**
- * Scoping, using curly braces!
- */
-
- void scope_up(std::ostream& out) {
- indent(out) << "{" << std::endl;
- indent_up();
- }
-
- void scope_down(std::ostream& out) {
- indent_down();
- indent(out) << "}" << std::endl;
- }
-
- std::string upcase_string(std::string original) {
- std::transform(original.begin(), original.end(), original.begin(), (int (*)(int))toupper);
- return original;
- }
-
- /**
- * Generates a comment about this code being autogenerated, using C++ style
- * comments, which are also fair game in Java / PHP, yay!
- *
- * @return C-style comment mentioning that this file is autogenerated.
- */
- virtual std::string autogen_comment() {
- return std::string("/**\n") + " * " + autogen_summary() + "\n" + " *\n"
- + " * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING\n"
- + " * @generated\n" + " */\n";
- }
-
- virtual std::string autogen_summary() {
- return std::string("Autogenerated by Thrift Compiler (") + THRIFT_VERSION + ")";
- }
-
- virtual std::string get_enum_class_name(t_type* type) {
- std::string package = "";
- t_program* program = type->get_program();
- if (program != NULL && program != program_) {
- package = program->get_namespace("java") + ".";
- }
- return package + type->get_name();
- }
-
- virtual void generate_java_docstring_comment(std::ofstream& out, std::string contents) {
- generate_docstring_comment(out, "/**\n", " * ", contents, " */\n");
- }
-
- virtual void generate_java_doc(std::ofstream& out, t_field* field) {
- if (field->get_type()->is_enum()) {
- std::string combined_message = field->get_doc() + "\n@see "
- + get_enum_class_name(field->get_type());
- generate_java_docstring_comment(out, combined_message);
- } else {
- generate_java_doc(out, (t_doc*)field);
- }
- }
-
- /**
- * Emits a JavaDoc comment if the provided object has a doc in Thrift
- */
- virtual void generate_java_doc(std::ofstream& out, t_doc* tdoc) {
- if (tdoc->has_doc()) {
- generate_java_docstring_comment(out, tdoc->get_doc());
- }
- }
-
- /**
- * Emits a JavaDoc comment if the provided function object has a doc in Thrift
- */
- virtual void generate_java_doc(std::ofstream& out, t_function* tfunction) {
- if (tfunction->has_doc()) {
- std::stringstream ss;
- ss << tfunction->get_doc();
- const std::vector<t_field*>& fields = tfunction->get_arglist()->get_members();
- std::vector<t_field*>::const_iterator p_iter;
- for (p_iter = fields.begin(); p_iter != fields.end(); ++p_iter) {
- t_field* p = *p_iter;
- ss << "\n@param " << p->get_name();
- if (p->has_doc()) {
- ss << " " << p->get_doc();
- }
- }
- generate_docstring_comment(out, "/**\n", " * ", ss.str(), " */\n");
- }
- }
-};
-
-#endif