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arts/mcopidl/mcopidl.cc

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/*
Copyright (C) 1999 Stefan Westerfeld, stefan@space.twc.de
Nicolas Brodu, nicolas.brodu@free.fr
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Permission is also granted to link this program with the TQt
library, treating TQt like a library that normally accompanies the
operating system kernel, whether or not that is in fact the case.
*/
#include <cstdlib>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <vector>
#include <list>
#include <stack>
#include <ctype.h>
#include "common.h"
#include "namespace.h"
#include <iostream>
using namespace std;
using namespace Arts;
int idl_in_include;
int idl_line_no;
string idl_filename;
/*
* if we start parsing an include file, we push the name of the file
* and the line number where we left it on the stack for later usage
*/
stack<pair<int,string> > idl_include_stack;
list<EnumDef> enums;
list<TypeDef> structs;
list<InterfaceDef> interfaces;
list<string> packetTypes; // just an evil hack to get experimental video
list<string> customIncludes; // just an evil hack to get experimental video
list<string> includes; // files to include
list<string> includePath; // path for the includes
// names that occur in included files -> no code generation
list<string> includedNames;
ModuleDef module;
void addEnumTodo( const EnumDef& edef )
{
enums.push_back(edef);
if(idl_in_include)
{
includedNames.push_back(edef.name);
}
else
{
module.enums.push_back(edef);
}
}
void addStructTodo( const TypeDef& type )
{
structs.push_back(type);
if(idl_in_include)
{
includedNames.push_back(type.name);
}
else
{
module.types.push_back(type);
}
}
void addInterfaceTodo( const InterfaceDef& iface )
{
interfaces.push_back(iface);
if(idl_in_include)
{
includedNames.push_back(iface.name);
}
else
{
module.interfaces.push_back(iface);
}
}
bool fromInclude(string name)
{
list<string>::iterator i;
for(i=includedNames.begin(); i != includedNames.end();i++)
if(*i == name) return true;
return false;
}
void startInclude( const char *line )
{
const char *file = "*unknown*";
char *l = strdup(line);
char *a = strtok(l,"<\"");
if(a)
{
char *b = strtok(0,">\"");
if(b) file = b;
}
idl_in_include++;
idl_include_stack.push(make_pair(idl_line_no, idl_filename));
idl_line_no = 0;
idl_filename = file;
free(l);
}
void endInclude()
{
assert(!idl_include_stack.empty());
idl_line_no = idl_include_stack.top().first;
idl_filename = idl_include_stack.top().second;
idl_include_stack.pop();
idl_in_include--;
}
bool isPacketType( string type )
{
list<string>::iterator i;
for(i=packetTypes.begin();i != packetTypes.end(); i++)
if((*i) == type) return true;
return false;
}
bool isStruct( string type )
{
list<TypeDef>::iterator i;
for(i=structs.begin();i != structs.end(); i++)
if(i->name == type) return true;
return false;
}
bool isEnum( string type )
{
list<EnumDef>::iterator i;
for(i=enums.begin();i != enums.end(); i++)
if(i->name == type) return true;
return false;
}
bool isInterface( string type )
{
list<InterfaceDef>::iterator i;
for(i=interfaces.begin();i != interfaces.end(); i++)
if(i->name == type) return true;
return (type == "object");
}
string formatMultiLineString(string s, string indent)
{
string result = indent+"\"";
string::iterator si = s.begin();
int lineLen = 80-indent.size()-6;
int i = 0;
while(si != s.end())
{
if(i == lineLen)
{
result += "\"\n" + indent + "\"";
i = 0;
}
result += *si++;
i++;
}
return result+"\"";
}
#define MODEL_MEMBER 1
#define MODEL_ARG 2
#define MODEL_READ 3
#define MODEL_REQ_READ 4
#define MODEL_RES_READ 5
#define MODEL_WRITE 6
#define MODEL_REQ_WRITE 7
#define MODEL_RESULT 8
#define MODEL_INVOKE 9
#define MODEL_STREAM 10
#define MODEL_MSTREAM 11
#define MODEL_ASTREAM 12
#define MODEL_AMSTREAM 13
#define MODEL_ASTREAM_PACKETPTR 14
#define MODEL_SEQ 1024
#define MODEL_MEMBER_SEQ (MODEL_MEMBER|MODEL_SEQ)
#define MODEL_ARG_SEQ (MODEL_ARG|MODEL_SEQ)
#define MODEL_READ_SEQ (MODEL_READ|MODEL_SEQ)
#define MODEL_WRITE_SEQ (MODEL_WRITE|MODEL_SEQ)
#define MODEL_REQ_READ_SEQ (MODEL_REQ_READ|MODEL_SEQ)
#define MODEL_RES_READ_SEQ (MODEL_RES_READ|MODEL_SEQ)
#define MODEL_REQ_WRITE_SEQ (MODEL_REQ_WRITE|MODEL_SEQ)
#define MODEL_RESULT_SEQ (MODEL_RESULT|MODEL_SEQ)
#define MODEL_INVOKE_SEQ (MODEL_INVOKE|MODEL_SEQ)
/**
* generates a piece of code for the specified type/name
*
* model determines if the code is a parameter declaration, type member
* declaration, write-to-stream code for, read-from-stream code or whatever
* else
*/
string createTypeCode(string type, const string& name, long model,
string indent = "")
{
string result = "";
if(type.length() >= 1 && type[0] == '*')
{
model |= MODEL_SEQ;
type = type.substr(1,type.length()-1);
}
if(type == "void")
{
if(model==MODEL_RES_READ)
{
result = indent + "if(result) delete result;\n";
}
else if(model==MODEL_INVOKE)
{
result = indent + name+";\n";
}
else
{
result = "void";
}
}
else if(type == "float")
{
if(model==MODEL_MEMBER) result = "float";
if(model==MODEL_MEMBER_SEQ) result = "std::vector<float>";
if(model==MODEL_ARG) result = "float";
if(model==MODEL_ARG_SEQ) result = "const std::vector<float>&";
if(model==MODEL_RESULT) result = "float";
if(model==MODEL_RESULT_SEQ) result = "std::vector<float> *";
if(model==MODEL_STREAM) result = "float *"+name;
if(model==MODEL_MSTREAM) result = "float **"+name;
if(model==MODEL_ASTREAM) result = "Arts::FloatAsyncStream "+name;
if(model==MODEL_AMSTREAM) assert(false);
if(model==MODEL_ASTREAM_PACKETPTR) result = "Arts::DataPacket<float> *";
if(model==MODEL_READ)
result = name+" = stream.readFloat()";
if(model==MODEL_READ_SEQ)
result = "stream.readFloatSeq("+name+")";
if(model==MODEL_RES_READ)
{
result = indent + "if(!result) return 0.0; // error occurred\n";
result += indent + "float returnCode = result->readFloat();\n";
result += indent + "delete result;\n";
result += indent + "return returnCode;\n";
}
if(model==MODEL_RES_READ_SEQ)
{
result = indent + "std::vector<float> *_returnCode ="
" new std::vector<float>;\n";
result += indent + "if(!result) return _returnCode; // error occurred\n";
result += indent + "result->readFloatSeq(*_returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return _returnCode;\n";
}
if(model==MODEL_REQ_READ)
result = indent + "float "+name+" = request->readFloat();\n";
if(model==MODEL_REQ_READ_SEQ)
result = indent + "std::vector<float> "+name+";\n"
+ indent + "request->readFloatSeq("+name+");\n";
if(model==MODEL_WRITE)
result = "stream.writeFloat("+name+")";
if(model==MODEL_WRITE_SEQ)
result = "stream.writeFloatSeq("+name+")";
if(model==MODEL_REQ_WRITE)
result = "request->writeFloat("+name+")";
if(model==MODEL_REQ_WRITE_SEQ)
result = "request->writeFloatSeq("+name+")";
if(model==MODEL_INVOKE)
result = indent + "result->writeFloat("+name+");\n";
if(model==MODEL_INVOKE_SEQ)
{
result = indent + "std::vector<float> *_returnCode = "+name+";\n"
+ indent + "result->writeFloatSeq(*_returnCode);\n"
+ indent + "delete _returnCode;\n";
}
}
else if(type == "boolean")
{
if(model==MODEL_MEMBER) result = "bool";
if(model==MODEL_MEMBER_SEQ) result = "std::vector<bool>";
if(model==MODEL_ARG) result = "bool";
if(model==MODEL_ARG_SEQ) result = "const std::vector<bool>&";
if(model==MODEL_RESULT) result = "bool";
if(model==MODEL_RESULT_SEQ) result = "std::vector<bool> *";
if(model==MODEL_READ)
result = name+" = stream.readBool()";
if(model==MODEL_READ_SEQ)
result = "stream.readBoolSeq("+name+")";
if(model==MODEL_RES_READ)
{
result = indent + "if(!result) return false; // error occurred\n";
result += indent + "bool returnCode = result->readBool();\n";
result += indent + "delete result;\n";
result += indent + "return returnCode;\n";
}
if(model==MODEL_RES_READ_SEQ)
{
result = indent + "std::vector<bool> *_returnCode ="
" new std::vector<bool>;\n";
result += indent + "if(!result) return _returnCode; // error occurred\n";
result += indent + "result->readBoolSeq(*_returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return _returnCode;\n";
}
if(model==MODEL_REQ_READ)
result = indent + "bool "+name+" = request->readBool();\n";
if(model==MODEL_REQ_READ_SEQ)
result = indent + "std::vector<bool> "+name+";\n"
+ indent + "request->readBoolSeq("+name+");\n";
if(model==MODEL_WRITE)
result = "stream.writeBool("+name+")";
if(model==MODEL_WRITE_SEQ)
result = "stream.writeBoolSeq("+name+")";
if(model==MODEL_REQ_WRITE)
result = "request->writeBool("+name+")";
if(model==MODEL_REQ_WRITE_SEQ)
result = "request->writeBoolSeq("+name+")";
if(model==MODEL_INVOKE)
result = indent + "result->writeBool("+name+");\n";
if(model==MODEL_INVOKE_SEQ)
{
result = indent + "std::vector<bool> *_returnCode = "+name+";\n"
+ indent + "result->writeBoolSeq(*_returnCode);\n"
+ indent + "delete _returnCode;\n";
}
}
else if(type == "byte")
{
if(model==MODEL_MEMBER) result = "Arts::mcopbyte";
if(model==MODEL_MEMBER_SEQ) result = "std::vector<Arts::mcopbyte>";
if(model==MODEL_ARG) result = "Arts::mcopbyte";
if(model==MODEL_ARG_SEQ) result = "const std::vector<Arts::mcopbyte>&";
if(model==MODEL_RESULT) result = "Arts::mcopbyte";
if(model==MODEL_RESULT_SEQ) result = "std::vector<Arts::mcopbyte> *";
if(model==MODEL_READ)
result = name+" = stream.readByte()";
if(model==MODEL_READ_SEQ)
result = "stream.readByteSeq("+name+")";
if(model==MODEL_RES_READ)
{
result = indent + "if(!result) return 0; // error occurred\n";
result += indent + "Arts::mcopbyte returnCode = result->readByte();\n";
result += indent + "delete result;\n";
result += indent + "return returnCode;\n";
}
if(model==MODEL_RES_READ_SEQ)
{
result = indent + "std::vector<Arts::mcopbyte> *_returnCode ="
" new std::vector<Arts::mcopbyte>;\n";
result += indent + "if(!result) return _returnCode; // error occurred\n";
result += indent + "result->readByteSeq(*_returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return _returnCode;\n";
}
if(model==MODEL_REQ_READ)
result = indent + "Arts::mcopbyte "+name+" = request->readByte();\n";
if(model==MODEL_REQ_READ_SEQ)
result = indent + "std::vector<Arts::mcopbyte> "+name+";\n"
+ indent + "request->readByteSeq("+name+");\n";
if(model==MODEL_WRITE)
result = "stream.writeByte("+name+")";
if(model==MODEL_WRITE_SEQ)
result = "stream.writeByteSeq("+name+")";
if(model==MODEL_REQ_WRITE)
result = "request->writeByte("+name+")";
if(model==MODEL_REQ_WRITE_SEQ)
result = "request->writeByteSeq("+name+")";
if(model==MODEL_INVOKE)
result = indent + "result->writeByte("+name+");\n";
if(model==MODEL_INVOKE_SEQ)
{
result = indent + "std::vector<Arts::mcopbyte> *_returnCode = "+name+";\n"
+ indent + "result->writeByteSeq(*_returnCode);\n"
+ indent + "delete _returnCode;\n";
}
if(model==MODEL_ASTREAM)
result = "Arts::ByteAsyncStream "+name;
if(model==MODEL_ASTREAM_PACKETPTR) result = "Arts::DataPacket<Arts::mcopbyte> *";
}
else if(type == "long")
{
if(model==MODEL_MEMBER) result = "long";
if(model==MODEL_MEMBER_SEQ) result = "std::vector<long>";
if(model==MODEL_ARG) result = "long";
if(model==MODEL_ARG_SEQ) result = "const std::vector<long>&";
if(model==MODEL_RESULT) result = "long";
if(model==MODEL_RESULT_SEQ) result = "std::vector<long> *";
if(model==MODEL_READ)
result = name+" = stream.readLong()";
if(model==MODEL_READ_SEQ)
result = "stream.readLongSeq("+name+")";
if(model==MODEL_RES_READ)
{
result = indent + "if(!result) return 0; // error occurred\n";
result += indent + "long returnCode = result->readLong();\n";
result += indent + "delete result;\n";
result += indent + "return returnCode;\n";
}
if(model==MODEL_RES_READ_SEQ)
{
result = indent + "std::vector<long> *_returnCode ="
" new std::vector<long>;\n";
result += indent + "if(!result) return _returnCode; // error occurred\n";
result += indent + "result->readLongSeq(*_returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return _returnCode;\n";
}
if(model==MODEL_REQ_READ)
result = indent + "long "+name+" = request->readLong();\n";
if(model==MODEL_REQ_READ_SEQ)
result = indent + "std::vector<long> "+name+";\n"
+ indent + "request->readLongSeq("+name+");\n";
if(model==MODEL_WRITE)
result = "stream.writeLong("+name+")";
if(model==MODEL_WRITE_SEQ)
result = "stream.writeLongSeq("+name+")";
if(model==MODEL_REQ_WRITE)
result = "request->writeLong("+name+")";
if(model==MODEL_REQ_WRITE_SEQ)
result = "request->writeLongSeq("+name+")";
if(model==MODEL_INVOKE)
result = indent + "result->writeLong("+name+");\n";
if(model==MODEL_INVOKE_SEQ)
{
result = indent + "std::vector<long> *_returnCode = "+name+";\n"
+ indent + "result->writeLongSeq(*_returnCode);\n"
+ indent + "delete _returnCode;\n";
}
} else if(type == "string") {
if(model==MODEL_MEMBER) result = "std::string";
if(model==MODEL_MEMBER_SEQ) result = "std::vector<std::string>";
if(model==MODEL_ARG) result = "const std::string&";
if(model==MODEL_ARG_SEQ) result = "const std::vector<std::string>&";
if(model==MODEL_RESULT) result = "std::string";
if(model==MODEL_RESULT_SEQ) result = "std::vector<std::string> *";
if(model==MODEL_READ)
result = "stream.readString("+name+")";
if(model==MODEL_READ_SEQ)
result = "stream.readStringSeq("+name+")";
if(model==MODEL_REQ_READ)
{
result = indent + "std::string "+name+";\n"
+ indent + "request->readString("+name+");\n";
}
if(model==MODEL_REQ_READ_SEQ)
result = indent + "std::vector<std::string> "+name+";\n"
+ indent + "request->readStringSeq("+name+");\n";
if(model==MODEL_RES_READ)
{
result = indent + "if(!result) return\"\"; // error occurred\n";
result += indent + "std::string returnCode;\n";
result += indent + "result->readString(returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return returnCode;\n";
}
if(model==MODEL_RES_READ_SEQ)
{
result = indent + "std::vector<std::string> *_returnCode ="
" new std::vector<std::string>;\n";
result += indent + "if(!result) return _returnCode; // error occurred\n";
result += indent + "result->readStringSeq(*_returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return _returnCode;\n";
}
if(model==MODEL_WRITE)
result = "stream.writeString("+name+")";
if(model==MODEL_WRITE_SEQ)
result = "stream.writeStringSeq("+name+")";
if(model==MODEL_REQ_WRITE)
result = "request->writeString("+name+")";
if(model==MODEL_REQ_WRITE_SEQ)
result = "request->writeStringSeq("+name+")";
if(model==MODEL_INVOKE)
result = indent + "result->writeString("+name+");\n";
if(model==MODEL_INVOKE_SEQ)
{
result = indent + "std::vector<std::string> *_returnCode = "+name+";\n"
+ indent + "result->writeStringSeq(*_returnCode);\n"
+ indent + "delete _returnCode;\n";
}
} else if(isPacketType(type)) {
if(model==MODEL_ASTREAM)
result = type+"AsyncStream "+name;
if(model==MODEL_ASTREAM_PACKETPTR) result = "Arts::DataPacket<"+type+"> *";
} else if(isStruct(type)) {
if(model==MODEL_MEMBER)
result = type;
if(model==MODEL_MEMBER_SEQ)
result = "std::vector<"+type+">";
if(model==MODEL_ARG)
result = "const "+type+"&";
if(model==MODEL_ARG_SEQ)
result = "const std::vector<"+type+">&";
if(model==MODEL_READ)
result = name+".readType(stream)";
if(model==MODEL_READ_SEQ)
result = "Arts::readTypeSeq(stream,"+name+")";
if(model==MODEL_REQ_READ)
result = indent + type+" "+name+"(*request);\n";
if(model==MODEL_REQ_READ_SEQ)
result = indent + "std::vector<"+type+"> "+name+";\n"
+ indent + "Arts::readTypeSeq(*request,"+name+");\n";
if(model==MODEL_WRITE)
result = name+".writeType(stream)";
if(model==MODEL_REQ_WRITE)
result = name+".writeType(*request)";
if(model==MODEL_WRITE_SEQ)
result = "Arts::writeTypeSeq(stream,"+name+")";
if(model==MODEL_REQ_WRITE_SEQ)
result = "Arts::writeTypeSeq(*request,"+name+")";
if(model==MODEL_INVOKE)
result = indent + type + " _returnCode = "+name+";\n"
+ indent + "_returnCode.writeType(*result);\n";
if(model==MODEL_INVOKE_SEQ)
{
result = indent + "std::vector<"+type+"> *_returnCode = "+name+";\n"
+ indent + "Arts::writeTypeSeq(*result,*_returnCode);\n"
+ indent + "delete _returnCode;\n";
}
if(model==MODEL_RES_READ)
{
result = indent +
"if(!result) return "+type+"(); // error occurred\n";
result += indent+ type + " _returnCode(*result);\n";
result += indent + "delete result;\n";
result += indent + "return _returnCode;\n";
}
if(model==MODEL_RES_READ_SEQ)
{
result = indent + "std::vector<"+type+"> *_returnCode ="
" new std::vector<"+type+">;\n";
result += indent + "if(!result) return _returnCode; // error occurred\n";
result += indent + "Arts::readTypeSeq(*result,*_returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return _returnCode;\n";
}
if(model==MODEL_RESULT) result = type;
if(model==MODEL_RESULT_SEQ) result = "std::vector<"+type+"> *";
} else if(isEnum(type)) {
if(model==MODEL_MEMBER) result = type;
if(model==MODEL_MEMBER_SEQ) result = "std::vector<"+type+">";
if(model==MODEL_ARG) result = type;
if(model==MODEL_ARG_SEQ) result = "const std::vector<"+type+">&";
if(model==MODEL_RESULT) result = type;
if(model==MODEL_RESULT_SEQ) result = "std::vector<"+type+"> *";
if(model==MODEL_READ)
result = name+" = ("+type+")stream.readLong()";
if(model==MODEL_READ_SEQ)
result = "stream.readLongSeq("+name+")"; // TODO
if(model==MODEL_RES_READ)
{
result = indent +
"if(!result) return ("+type+")0; // error occurred\n";
result += indent + type+" returnCode = ("+
type+")result->readLong();\n";
result += indent + "delete result;\n";
result += indent + "return returnCode;\n";
}
if(model==MODEL_REQ_READ)
result = indent +
type+" "+name+" = ("+type+")request->readLong();\n";
if(model==MODEL_WRITE)
result = "stream.writeLong("+name+")";
if(model==MODEL_WRITE_SEQ)
result = "stream.writeLongSeq("+name+")"; // TODO
if(model==MODEL_REQ_WRITE)
result = "request->writeLong("+name+")";
if(model==MODEL_INVOKE)
result = indent + "result->writeLong("+name+");\n";
} else if(isInterface(type)) {
// the "object class" is called Object
if(type == "object") type = "Arts::Object";
if(model==MODEL_MEMBER) result = type+"_var";
if(model==MODEL_MEMBER_SEQ) result = "std::vector<"+type+">";
if(model==MODEL_ARG) result = type;
if(model==MODEL_ARG_SEQ) result = "const std::vector<"+type+">&";
if(model==MODEL_RESULT) result = type;
if(model==MODEL_RESULT_SEQ) result = "std::vector<"+type+"> *";
if(model==MODEL_READ)
result = "Arts::readObject(stream,"+name+")";
if(model==MODEL_READ_SEQ)
result = "Arts::readObjectSeq(stream,"+name+")";
if(model==MODEL_RES_READ)
{
result = indent + "if (!result) return "+type+"::null();\n"; // error occurred\n";
result += indent + type+"_base* returnCode;\n";
result += indent + "Arts::readObject(*result,returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return "+type+"::_from_base(returnCode);\n";
}
if(model==MODEL_RES_READ_SEQ)
{
result = indent + "std::vector<"+type+"> *_returnCode ="
" new std::vector<"+type+">;\n";
result += indent + "if(!result) return _returnCode; // error occurred\n";
result += indent + "Arts::readObjectSeq(*result,*_returnCode);\n";
result += indent + "delete result;\n";
result += indent + "return _returnCode;\n";
}
if(model==MODEL_REQ_READ)
{
result = indent + type +"_base* _temp_"+name+";\n";
result += indent + "Arts::readObject(*request,_temp_"+name+");\n";
result += indent + type+" "+name+" = "+type+"::_from_base(_temp_"+name+");\n";
}
if(model==MODEL_REQ_READ_SEQ)
result = indent + "std::vector<"+type+"> "+name+";\n"
+ indent + "Arts::readObjectSeq(*request,"+name+");\n";
if(model==MODEL_WRITE)
result = "Arts::writeObject(stream,"+name+"._base())";
if(model==MODEL_WRITE_SEQ)
result = "Arts::writeObjectSeq(stream,"+name+")";
if(model==MODEL_REQ_WRITE)
result = "Arts::writeObject(*request,"+name+"._base())";
if(model==MODEL_REQ_WRITE_SEQ)
result = "Arts::writeObjectSeq(*request,"+name+")";
if(model==MODEL_INVOKE)
{
result = indent + type+" returnCode = "+name+";\n"
+ indent + "Arts::writeObject(*result,returnCode._base());\n";
}
if(model==MODEL_INVOKE_SEQ)
{
result = indent + "std::vector<"+type+"> *_returnCode = "+name+";\n"
+ indent + "Arts::writeObjectSeq(*result,*_returnCode);\n"
+ indent + "delete _returnCode;\n";
}
}
else
{
fprintf(stderr,"error: undefined type %s occurred\n",type.c_str());
exit(1);
}
if((model & ~MODEL_SEQ) == MODEL_MEMBER
|| (model & ~MODEL_SEQ) == MODEL_ARG)
{
result += " ";
result += name;
}
return result;
}
string buildInheritanceList(const InterfaceDef& interface, const string& append)
{
vector<string>::const_iterator ii;
string result = "";
bool first = true;
for(ii=interface.inheritedInterfaces.begin();
ii != interface.inheritedInterfaces.end();ii++)
{
if(!first) result += ",\n\t"; else first = false;
result += "virtual public "+*ii+append;
}
return result;
}
string mkdef(string prefix)
{
string result;
for(unsigned int i=0;i<prefix.length();i++)
result += toupper(prefix[i]);
result += "_H";
return result;
}
const char *generated_disclaimer =
"/* this file was generated by the MCOP idl compiler - DO NOT EDIT */\n\n";
FILE *startHeader(string prefix)
{
string header_name = prefix+".h.new";
FILE *header = fopen(header_name.c_str(),"w");
fprintf(header,"%s", generated_disclaimer);
fprintf(header,"#ifndef %s\n",mkdef(prefix).c_str());
fprintf(header,"#define %s\n\n",mkdef(prefix).c_str());
fprintf(header,"#include \"common.h\"\n\n");
fprintf(header,"#include \"arts_export.h\"\n\n");
list<string>::iterator cii;
for(cii=customIncludes.begin(); cii != customIncludes.end(); cii++)
fprintf(header,"#include \"%s\"\n",(*cii).c_str());
if(!customIncludes.empty()) fprintf(header,"\n");
return (header);
}
void endHeader(FILE *header, string prefix)
{
fprintf(header,"#endif /* %s */\n",mkdef(prefix).c_str());
fclose(header);
}
FILE *startSource(string prefix)
{
string header_name = prefix+".h";
string source_name = prefix+".cc.new";
FILE *source = fopen(source_name.c_str(),"w");
fprintf(source,"%s", generated_disclaimer);
fprintf(source,"#include \"%s\"\n\n",header_name.c_str());
return source;
}
void endSource(FILE *source)
{
fclose(source);
}
/* moves file BASE.new to BASE, but only if there are any changes. Otherwise
BASE.new is simply removed */
void moveIfChanged(string base)
{
string newn = base+".new";
FILE *oldf = fopen(base.c_str(), "r");
if (!oldf) {
rename(newn.c_str(), base.c_str());
return;
}
FILE *newf = fopen(newn.c_str(), "r");
if (!newf) {
fclose(oldf);
return;
}
bool different = false;
unsigned char *oldb, *newb;
size_t blen = 65536;
oldb = new unsigned char[blen];
newb = new unsigned char[blen];
while (1) {
size_t olen = fread(oldb, 1, blen, oldf);
size_t nlen = fread(newb, 1, blen, newf);
if (olen != nlen) {
different = true;
break;
}
if (!olen) break;
if (memcmp(oldb, newb, olen)) {
different = true;
break;
}
if (olen < blen) break;
}
delete [] newb;
delete [] oldb;
fclose(newf);
fclose(oldf);
if (different) {
rename(newn.c_str(), base.c_str());
} else {
unlink(newn.c_str());
}
}
bool haveIncluded(string filename)
{
list<string>::iterator i;
for(i = ::includes.begin();i != ::includes.end();i++)
if(*i == filename) return true;
return false;
}
void doIncludeHeader(FILE *header)
{
list<string>::iterator i;
bool done_something = false;
for(i = ::includes.begin();i != ::includes.end();i++)
{
char *include = strdup((*i).c_str());
if(strlen(include) >= 4)
{
if(strcmp(&include[strlen(include)-4],".idl") == 0)
{
include[strlen(include)-4] = 0;
if(!done_something)
{
fprintf(header,"// includes of other idl definitions\n");
done_something = true;
}
fprintf(header,"#include \"%s.h\"\n",include);
}
}
free(include);
}
if(done_something) fprintf(header,"\n");
}
void doEnumHeader(FILE *header)
{
list<EnumDef>::iterator edi;
vector<EnumComponent>::iterator i;
NamespaceHelper nspace(header);
for(edi = enums.begin();edi != enums.end(); edi++)
{
EnumDef& ed = *edi;
if(fromInclude(ed.name)) continue; // should come from the include
nspace.setFromSymbol(ed.name);
string ename = nspace.printableForm(ed.name);
if(ename == "_anonymous_") ename = "";
fprintf(header,"enum %s {",ename.c_str());
int first = 0;
for(i=ed.contents.begin();i != ed.contents.end();i++)
{
if(first != 0) fprintf(header,", ");
first++;
fprintf(header,"%s = %ld",i->name.c_str(),i->value);
}
fprintf(header,"};\n");
}
}
void doStructHeader(FILE *header)
{
list<TypeDef>::iterator csi;
vector<TypeComponent>::iterator i;
NamespaceHelper nspace(header);
for(csi = structs.begin();csi != structs.end(); csi++)
{
TypeDef& d = *csi;
if(fromInclude(d.name)) continue; // should come from the include
nspace.setFromSymbol(d.name.c_str());
string tname = nspace.printableForm(d.name);
fprintf(header,"class ARTS_EXPORT %s : public Arts::Type {\n",tname.c_str());
fprintf(header,"public:\n");
/** constructor without arguments **/
fprintf(header,"\t%s();\n",tname.c_str());
/** constructor with arguments **/
fprintf(header,"\t%s(",tname.c_str());
int first = 0;
for(i=d.contents.begin();i != d.contents.end();i++)
{
string name = createTypeCode(i->type,"_a_" + i->name,MODEL_ARG);
if(first != 0) fprintf(header,", ");
first++;
fprintf(header,"%s",name.c_str());
}
fprintf(header,");\n");
/** constructor from stream **/
fprintf(header,"\t%s(Arts::Buffer& stream);\n",tname.c_str());
/** copy constructor (from same type) **/
fprintf(header,"\t%s(const %s& copyType);\n",
tname.c_str(),tname.c_str());
/** assignment operator **/
fprintf(header,"\t%s& operator=(const %s& assignType);\n",
tname.c_str(),tname.c_str());
/** data members **/
for(i=d.contents.begin();i != d.contents.end();i++)
{
string name = createTypeCode(i->type,i->name,MODEL_MEMBER);
fprintf(header,"\t%s;\n",name.c_str());
}
fprintf(header,"\n// marshalling functions\n");
/** marshalling function for reading from stream **/
fprintf(header,"\tvoid readType(Arts::Buffer& stream);\n");
/** marshalling function for writing to stream **/
fprintf(header,"\tvoid writeType(Arts::Buffer& stream) const;\n");
/** returns the name of the type **/
fprintf(header, "\tstd::string _typeName() const;\n");
fprintf(header,"};\n\n");
}
}
void doStructSource(FILE *source)
{
list<TypeDef>::iterator csi;
vector<TypeComponent>::iterator i;
fprintf(source,"// Implementation\n");
for(csi = structs.begin();csi != structs.end(); csi++)
{
TypeDef& d = *csi;
if(fromInclude(d.name)) continue; // should come from the include
string tname = NamespaceHelper::nameOf(d.name);
fprintf(source,"%s::%s()\n{\n}\n\n",d.name.c_str(),tname.c_str());
fprintf(source,"%s::%s(",d.name.c_str(),tname.c_str());
int first = 0;
for(i=d.contents.begin();i != d.contents.end();i++)
{
string name = createTypeCode(i->type,"_a_" + i->name,MODEL_ARG);
if(first != 0) fprintf(source,", ");
first++;
fprintf(source,"%s",name.c_str());
}
fprintf(source,")\n{\n");
for(i=d.contents.begin();i != d.contents.end();i++)
{
string n = "_a_" + i->name;
fprintf(source,"\tthis->%s = %s;\n",i->name.c_str(),n.c_str());
}
fprintf(source,"}\n\n");
/** constructor from stream **/
fprintf(source,"%s::%s(Arts::Buffer& stream)\n{\n",d.name.c_str(),tname.c_str());
fprintf(source,"\treadType(stream);\n");
fprintf(source,"}\n\n");
/** copy constructor **/
fprintf(source,"%s::%s(const %s& copyType) : Arts::Type(copyType)\n{\n",
d.name.c_str(),tname.c_str(),d.name.c_str());
fprintf(source,"\tArts::Buffer buffer;\n");
fprintf(source,"\tcopyType.writeType(buffer);\n");
fprintf(source,"\treadType(buffer);\n");
fprintf(source,"}\n\n");
/** assignment operator **/
fprintf(source,"%s& %s::operator=(const %s& assignType)\n{\n",
d.name.c_str(),d.name.c_str(),d.name.c_str());
fprintf(source,"\tArts::Buffer buffer;\n");
fprintf(source,"\tassignType.writeType(buffer);\n");
fprintf(source,"\treadType(buffer);\n");
fprintf(source,"\treturn *this;\n");
fprintf(source,"}\n\n");
#if 0 /* not needed if types use vector<Type> instead of vector<Type *> */
/** virtual destuctor: free type contents **/
fprintf(source,"%s::~%s()\n{\n",d.name.c_str(),tname.c_str());
for(i=d->contents.begin();i != d->contents.end();i++)
{
string stype = (*i)->type;
string type = stype.substr(1,stype.length()-1);
if(stype[0] == '*' && isStruct(type))
{
fprintf(source,"\tfreeTypeSeq(%s);\n",(*i)->name.c_str());
}
}
fprintf(source,"}\n\n");
#endif
/** marshalling function for reading from stream **/
fprintf(source,"void %s::readType(Arts::Buffer& stream)\n{\n",d.name.c_str());
for(i=d.contents.begin();i != d.contents.end();i++)
{
string code = createTypeCode(i->type,i->name,MODEL_READ);
fprintf(source,"\t%s;\n",code.c_str());
}
fprintf(source,"}\n\n");
/** marshalling function for writing to stream **/
fprintf(source,"void %s::writeType(Arts::Buffer& stream) const\n{\n",d.name.c_str());
for(i=d.contents.begin();i != d.contents.end();i++)
{
string code = createTypeCode(i->type,i->name,MODEL_WRITE);
fprintf(source,"\t%s;\n",code.c_str());
}
fprintf(source,"}\n\n");
/** returns the name of the type **/
fprintf(source,"std::string %s::_typeName() const\n{\n",d.name.c_str());
fprintf(source,"\treturn \"%s\";\n",d.name.c_str());
fprintf(source,"}\n\n");
}
}
string createReturnCode(const MethodDef& md)
{
return createTypeCode(md.type,"",MODEL_RESULT,"");
}
string createParamList(const MethodDef& md)
{
string result;
int first = 0;
vector<ParamDef>::const_iterator pi;
for(pi = md.signature.begin(); pi != md.signature.end(); pi++)
{
const ParamDef& pd = *pi;
string p = createTypeCode(pd.type,pd.name,MODEL_ARG,"");
if(first != 0) result += ", ";
first++;
result += p;
}
return result;
}
string createCallParamList(const MethodDef& md)
{
string result;
bool first = true;
vector<ParamDef>::const_iterator pi;
for(pi = md.signature.begin(); pi != md.signature.end(); pi++)
{
if (!first) result += ", ";
first = false;
result += pi->name;
}
return result;
}
void createStubCode(FILE *source, string iface, string method,
const MethodDef& md)
{
string rc = createReturnCode(md);
string params = createParamList(md);
vector<ParamDef>::const_iterator pi;
Buffer b;
md.writeType(b);
fprintf(source,"%s %s_stub::%s(%s)\n",rc.c_str(),iface.c_str(),
method.c_str(), params.c_str());
fprintf(source,"{\n");
fprintf(source,"\tlong methodID = _lookupMethodFast(\"%s\");\n",
b.toString("method").c_str());
if(md.flags & methodTwoway)
{
fprintf(source,"\tlong requestID;\n");
fprintf(source,"\tArts::Buffer *request, *result;\n");
fprintf(source,"\trequest = Arts::Dispatcher::the()->"
"createRequest(requestID,_objectID,methodID);\n");
}
else
{
fprintf(source,"\tArts::Buffer *request = Arts::Dispatcher::the()->"
"createOnewayRequest(_objectID,methodID);\n");
}
for(pi = md.signature.begin(); pi != md.signature.end(); pi++)
{
const ParamDef& pd = *pi;
string p;
p = createTypeCode(pd.type,pd.name,MODEL_REQ_WRITE);
fprintf(source,"\t%s;\n",p.c_str());
}
fprintf(source,"\trequest->patchLength();\n");
fprintf(source,"\t_connection->qSendBuffer(request);\n\n");
if(md.flags & methodTwoway)
{
fprintf(source,"\tresult = "
"Arts::Dispatcher::the()->waitForResult(requestID,_connection);\n");
fprintf(source,"%s",
createTypeCode(md.type,"",MODEL_RES_READ,"\t").c_str());
}
fprintf(source,"}\n\n");
}
bool haveStreams(const InterfaceDef& d)
{
vector<AttributeDef>::const_iterator ai;
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
if(ai->flags & attributeStream) return true;
return false;
}
bool haveAsyncStreams(const InterfaceDef& d)
{
vector<AttributeDef>::const_iterator ai;
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
if((ai->flags & attributeStream) && (ai->flags & streamAsync))
return true;
return false;
}
string dispatchFunctionName(string interface, long mcount)
{
char number[20];
sprintf(number,"%02ld",mcount);
string nspace = NamespaceHelper::namespaceOf(interface);
for (string::iterator i = nspace.begin(); i != nspace.end(); i++)
if(*i == ':') *i = '_';
string iname = NamespaceHelper::nameOf(interface);
return "_dispatch_" + nspace + "_" + iname + "_" + number;
}
void createDispatchFunction(FILE *source, long mcount,
const InterfaceDef& d, const MethodDef& md,string name)
{
/** calculate signature (prevents unused argument warnings) **/
string signature = "void *object, ";
if(md.signature.size() == 0)
signature += "Arts::Buffer *";
else
signature += "Arts::Buffer *request";
if(md.flags & methodTwoway)
{
if(md.type == "void")
signature += ", Arts::Buffer *";
else
signature += ", Arts::Buffer *result";
}
else
{
if(md.type != "void")
{
cerr << "method " << md.name << " in interface " << d.name <<
" is declared oneway, but not void" << endl;
exit(1);
}
}
fprintf(source,"// %s\n",md.name.c_str());
fprintf(source,"static void %s(%s)\n",
dispatchFunctionName(d.name,mcount).c_str(), signature.c_str());
fprintf(source,"{\n");
string call = "(("+d.name+"_skel *)object)->"+name + "(";
int first = 1;
vector<ParamDef>::const_iterator pi;
for(pi = md.signature.begin(); pi != md.signature.end(); pi++)
{
const ParamDef& pd = *pi;
string p;
if(!first) call += ",";
first = 0;
call += pd.name;
p = createTypeCode(pd.type,pd.name,MODEL_REQ_READ, "\t");
fprintf(source,"%s",p.c_str());
}
call += ")";
string invoke = createTypeCode(md.type,call,MODEL_INVOKE,"\t");
fprintf(source,"%s",invoke.c_str());
fprintf(source,"}\n\n");
}
// generate a list of all parents. There can be repetitions
vector<std::string> allParents(const InterfaceDef& iface)
{
vector<std::string> ret;
list<InterfaceDef>::iterator interIt;
vector<std::string>::const_iterator si;
// For all inherited interfaces
for (si = iface.inheritedInterfaces.begin(); si != iface.inheritedInterfaces.end(); si++)
{
ret.push_back(*si);
// Find the corresponding interface definition
for (interIt=interfaces.begin(); interIt!=interfaces.end(); interIt++) {
InterfaceDef& parent = *interIt;
if (parent.name == (*si)) {
// Now add this parent's parents
vector<std::string> ppar = allParents(parent);
ret.insert(ret.end(), ppar.begin(), ppar.end());
break;
}
}
}
return ret;
}
// generate a list of all parents - without repetitions
vector<string> allParentsUnique(const InterfaceDef& iface)
{
map<string,bool> done;
vector<string> parents = allParents(iface),result;
vector<string>::iterator i;
for(i=parents.begin();i!=parents.end();i++)
{
string& name = *i;
if(!done[name])
{
result.push_back(name);
done[name] = true;
}
}
return result;
}
InterfaceDef findInterface(const string& iface)
{
list<InterfaceDef>::iterator i;
for(i=interfaces.begin();i != interfaces.end(); i++)
{
const InterfaceDef& d = *i;
if(d.name == iface) return d;
}
return InterfaceDef();
}
InterfaceDef mergeAllParents(const InterfaceDef& iface)
{
InterfaceDef result = iface;
vector<string> parents = allParentsUnique(iface);
vector<string>::iterator pi;
for(pi = parents.begin(); pi != parents.end(); pi++)
{
string parent = *pi;
list<InterfaceDef>::iterator i;
for(i=interfaces.begin();i != interfaces.end(); i++)
{
const InterfaceDef& d = *i;
if(d.name == parent)
{
/* merge attributes */
vector<AttributeDef>::const_iterator ai;
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
result.attributes.push_back(*ai);
/* merge methods */
vector<MethodDef>::const_iterator mi;
for(mi = d.methods.begin(); mi != d.methods.end(); mi++)
{
result.methods.push_back(*mi);
}
}
}
}
return result;
}
struct ForwardCode {
bool constructor;
string fullifacename, result, mname, params, callparams;
string baseclass;
};
void checkSymbolDefinition(const string& name, const string& type,
const InterfaceDef& where, map<string,string>& defs)
{
string xwhere = where.name + "::" + name + " ("+type+")";
string& mapentry = defs[name];
if(mapentry.empty())
{
mapentry = xwhere;
}
else
{
cerr << idl_filename << ": warning: " << xwhere
<< " collides with " << mapentry << endl;
}
}
void doInterfacesHeader(FILE *header)
{
list<InterfaceDef>::iterator ii;
vector<MethodDef>::iterator mi;
vector<AttributeDef>::iterator ai;
string inherits;
NamespaceHelper nspace(header);
list<ForwardCode> forwardCode;
/*
* this allows it to the various interfaces as parameters, returncodes
* and attributes even before their declaration
*/
for(ii = interfaces.begin();ii != interfaces.end(); ii++)
{
InterfaceDef& d = *ii;
if(!fromInclude(d.name))
{
nspace.setFromSymbol(d.name);
fprintf(header,"class %s;\n",nspace.printableForm(d.name).c_str());
}
}
fprintf(header,"\n");
for(ii = interfaces.begin();ii != interfaces.end(); ii++)
{
InterfaceDef& d = *ii;
string iname;
string fullifacename = d.name;
if(fromInclude(d.name)) continue; // should come from the include
// create abstract interface
inherits = buildInheritanceList(d,"_base");
if(inherits.empty()) inherits = "virtual public Arts::Object_base";
nspace.setFromSymbol(d.name);
iname = nspace.printableForm(d.name);
fprintf(header,"class ARTS_EXPORT %s_base : %s {\n",iname.c_str(),inherits.c_str());
fprintf(header,"public:\n");
fprintf(header,"\tstatic unsigned long _IID; // interface ID\n\n");
fprintf(header,"\tstatic %s_base *_create(const std::string& subClass"
" = \"%s\");\n", iname.c_str(),d.name.c_str());
fprintf(header,"\tstatic %s_base *_fromString(const std::string& objectref);\n",
iname.c_str());
fprintf(header,"\tstatic %s_base *_fromReference(Arts::ObjectReference ref,"
" bool needcopy);\n\n",iname.c_str());
fprintf(header,"\tstatic %s_base *_fromDynamicCast(const Arts::Object&"
" object);\n", iname.c_str());
/* reference counting: _copy */
fprintf(header,"\tinline %s_base *_copy() {\n"
"\t\tassert(_refCnt > 0);\n"
"\t\t_refCnt++;\n"
"\t\treturn this;\n"
"\t}\n\n",iname.c_str());
// Default I/O info
fprintf(header,"\tvirtual std::vector<std::string> _defaultPortsIn() const;\n");
fprintf(header,"\tvirtual std::vector<std::string> _defaultPortsOut() const;\n");
fprintf(header,"\n");
// Casting
fprintf(header,"\tvoid *_cast(unsigned long iid);\n\n");
/* attributes (not for streams) */
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
{
AttributeDef& ad = *ai;
string rc = createTypeCode(ad.type,"",MODEL_RESULT);
string pc = createTypeCode(ad.type,"newValue",MODEL_ARG);
if(ad.flags & attributeAttribute)
{
if(ad.flags & streamOut) /* readable from outside */
{
fprintf(header,"\tvirtual %s %s() = 0;\n",rc.c_str(),
ad.name.c_str());
}
if(ad.flags & streamIn) /* writeable from outside */
{
fprintf(header,"\tvirtual void %s(%s) = 0;\n",
ad.name.c_str(), pc.c_str());
}
}
}
/* methods */
for(mi = d.methods.begin(); mi != d.methods.end(); mi++)
{
MethodDef& md = *mi;
string rc = createReturnCode(md);
string params = createParamList(md);
fprintf(header,"\tvirtual %s %s(%s) = 0;\n",rc.c_str(),
md.name.c_str(), params.c_str());
}
fprintf(header,"};\n\n");
// create stub
inherits = buildInheritanceList(d,"_stub");
if(inherits.empty()) inherits = "virtual public Arts::Object_stub";
fprintf(header,"class ARTS_EXPORT %s_stub : virtual public %s_base, %s {\n",
iname.c_str(), iname.c_str(),inherits.c_str());
fprintf(header,"protected:\n");
fprintf(header,"\t%s_stub();\n\n",iname.c_str());
fprintf(header,"public:\n");
fprintf(header,"\t%s_stub(Arts::Connection *connection, long objectID);\n\n",
iname.c_str());
/* attributes (not for streams) */
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
{
AttributeDef& ad = *ai;
string rc = createTypeCode(ad.type,"",MODEL_RESULT);
string pc = createTypeCode(ad.type,"newValue",MODEL_ARG);
if(ad.flags & attributeAttribute)
{
if(ad.flags & streamOut) /* readable from outside */
{
fprintf(header,"\t%s %s();\n",rc.c_str(),
ad.name.c_str());
}
if(ad.flags & streamIn) /* writeable from outside */
{
fprintf(header,"\tvoid %s(%s);\n",
ad.name.c_str(), pc.c_str());
}
}
}
/* methods */
for(mi = d.methods.begin(); mi != d.methods.end(); mi++)
{
MethodDef& md = *mi;
string rc = createReturnCode(md);
string params = createParamList(md);
fprintf(header,"\t%s %s(%s);\n",rc.c_str(),
md.name.c_str(), params.c_str());
}
fprintf(header,"};\n\n");
// create skeleton
inherits = buildInheritanceList(d,"_skel");
if(inherits.empty()) inherits = "virtual public Arts::Object_skel";
fprintf(header,"class ARTS_EXPORT %s_skel : virtual public %s_base,"
" %s {\n",iname.c_str(),iname.c_str(),inherits.c_str());
bool firstStream = true;
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
{
AttributeDef& ad = *ai;
if(ad.flags & attributeStream)
{
if(firstStream)
{
fprintf(header,"protected:\n");
fprintf(header,"\t// variables for streams\n");
firstStream = false;
}
/** generate declaration of the variable: multi stream? **/
string decl;
if(ad.flags & streamMulti)
{
if(ad.flags & streamAsync)
decl = createTypeCode(ad.type,ad.name,MODEL_AMSTREAM);
else
decl = createTypeCode(ad.type,ad.name,MODEL_MSTREAM);
}
else
{
if(ad.flags & streamAsync)
decl = createTypeCode(ad.type,ad.name,MODEL_ASTREAM);
else
decl = createTypeCode(ad.type,ad.name,MODEL_STREAM);
}
decl += ";";
/** write to source **/
string comment;
if(ad.flags & streamIn) comment = "incoming stream";
if(ad.flags & streamOut) comment = "outgoing stream";
fprintf(header,"\t%-40s // %s\n",decl.c_str(),comment.c_str());
}
}
if(!firstStream) fprintf(header,"\n");
bool haveAsyncStreams = false;
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
{
AttributeDef& ad = *ai;
if((ad.flags & attributeStream) && (ad.flags & streamAsync))
{
if(!haveAsyncStreams)
{
fprintf(header,"\t// handler for asynchronous streams\n");
haveAsyncStreams = true;
}
string ptype =
createTypeCode(ad.type,"",MODEL_ASTREAM_PACKETPTR);
if(ad.flags & streamIn)
{
fprintf(header,"\tvirtual void process_%s(%s) = 0;\n",
ad.name.c_str(),ptype.c_str());
}
else
{
fprintf(header,"\tvirtual void request_%s(%s);\n",
ad.name.c_str(),ptype.c_str());
}
}
}
if(haveAsyncStreams) fprintf(header,"\n");
bool haveChangeNotifications = false;
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
{
AttributeDef& ad = *ai;
if((ad.flags & attributeAttribute) && (ad.flags & streamOut)
&& (ad.type == "byte" || ad.type == "float" || ad.type == "long"
|| ad.type == "string" || ad.type == "boolean"
|| ad.type == "*byte" || ad.type == "*float" || ad.type == "*long"
|| ad.type == "*string" || isEnum(ad.type)))
{
if(!haveChangeNotifications)
{
fprintf(header,"protected:\n");
fprintf(header,"\t// emitters for change notifications\n");
haveChangeNotifications = true;
}
string pc = createTypeCode(ad.type,"newValue",MODEL_ARG);
fprintf(header,"\tinline void %s_changed(%s) {\n",
ad.name.c_str(),pc.c_str());
fprintf(header,"\t\t_emit_changed(\"%s_changed\",newValue);\n",
ad.name.c_str());
fprintf(header,"\t}\n");
}
}
if(haveChangeNotifications) fprintf(header,"\n");
fprintf(header,"public:\n");
fprintf(header,"\t%s_skel();\n\n",iname.c_str());
fprintf(header,"\tstatic std::string _interfaceNameSkel();\n");
fprintf(header,"\tstd::string _interfaceName();\n");
fprintf(header,"\tbool _isCompatibleWith(const std::string& interfacename);\n");
fprintf(header,"\tvoid _buildMethodTable();\n");
fprintf(header,"\tvoid dispatch(Arts::Buffer *request, Arts::Buffer *result,"
"long methodID);\n");
if(haveAsyncStreams)
fprintf(header,"\tvoid notify(const Arts::Notification& notification);\n");
fprintf(header,"};\n\n");
nspace.leaveAll();
// Create object wrapper for easy C++ syntax
fprintf(header,"#include \"reference.h\"\n");
// Allow connect facility only if there is something to connect to!
/* if (haveStreams(d)) {
fprintf(header,"#include \"flowsystem.h\"\n");
}
fprintf(header,"\n");
*/
nspace.setFromSymbol(d.name);
inherits = ": public Arts::Object";
fprintf(header,"class ARTS_EXPORT %s %s {\n",iname.c_str(),inherits.c_str());
fprintf(header,"private:\n");
fprintf(header,"\tstatic Arts::Object_base* _Creator();\n");
fprintf(header,"\t%s_base *_cache;\n",iname.c_str());
fprintf(header,"\tinline %s_base *_method_call() {\n",iname.c_str());
fprintf(header,"\t\t_pool->checkcreate();\n");
fprintf(header,"\t\tif(_pool->base) {\n");
fprintf(header,"\t\t\t_cache="
"(%s_base *)_pool->base->_cast(%s_base::_IID);\n",
iname.c_str(),iname.c_str());
fprintf(header,"\t\t\tassert(_cache);\n");
fprintf(header,"\t\t}\n");
fprintf(header,"\t\treturn _cache;\n");
fprintf(header,"\t}\n");
// This constructor is now protected. use ::null() and ::_from_base()
// if necessary. It is protected, though there should be noinherited
// class
fprintf(header,"\nprotected:\n");
fprintf(header,"\tinline %s(%s_base* b) : Arts::Object(b), _cache(0) {}\n\n",
iname.c_str(),iname.c_str());
fprintf(header,"\npublic:\n");
fprintf(header,"\ttypedef %s_base _base_class;\n\n",iname.c_str());
// empty constructor: specify creator for create-on-demand
fprintf(header,"\tinline %s() : Arts::Object(_Creator), _cache(0) {}\n",iname.c_str());
// constructors from reference and for subclass
fprintf(header,"\tinline %s(const Arts::SubClass& s) :\n"
"\t\tArts::Object(%s_base::_create(s.string())), _cache(0) {}\n",
iname.c_str(),iname.c_str());
fprintf(header,"\tinline %s(const Arts::Reference &r) :\n"
"\t\tArts::Object("
"r.isString()?(%s_base::_fromString(r.string())):"
"(%s_base::_fromReference(r.reference(),true))), _cache(0) {}\n",
iname.c_str(),iname.c_str(), iname.c_str());
fprintf(header,"\tinline %s(const Arts::DynamicCast& c) : "
"Arts::Object(%s_base::_fromDynamicCast(c.object())), "
"_cache(0) {}\n", iname.c_str(),iname.c_str());
// copy constructors
fprintf(header,"\tinline %s(const %s& target) : Arts::Object(target._pool), _cache(target._cache) {}\n",
iname.c_str(),iname.c_str());
fprintf(header,"\tinline %s(Arts::Object::Pool& p) : Arts::Object(p), _cache(0) {}\n",
iname.c_str());
// null object
// %s::null() returns a null object (and not just a reference to one)
fprintf(header,"\tinline static %s null() {return %s((%s_base*)0);}\n",
iname.c_str(),iname.c_str(),iname.c_str());
fprintf(header,"\tinline static %s _from_base(%s_base* b) {return %s(b);}\n",
iname.c_str(),iname.c_str(),iname.c_str());
// copy operator.
fprintf(header,"\tinline %s& operator=(const %s& target) {\n",
iname.c_str(),iname.c_str());
// test for equality
fprintf(header,"\t\tif (_pool == target._pool) return *this;\n");
fprintf(header,"\t\t_pool->Dec();\n");
fprintf(header,"\t\t_pool = target._pool;\n");
fprintf(header,"\t\t_cache = target._cache;\n");
fprintf(header,"\t\t_pool->Inc();\n");
fprintf(header,"\t\treturn *this;\n");
fprintf(header,"\t}\n");
// casts to parent interfaces
vector<string> parents = allParentsUnique(d);
for (vector<std::string>::iterator si = parents.begin();
si != parents.end(); si++)
{
string &s = *si;
fprintf(header,"\tinline operator %s() const { return %s(*_pool); }\n",
s.c_str(), s.c_str());
}
// conversion to _base* object
fprintf(header,"\tinline %s_base* _base() {return _cache?_cache:_method_call();}\n",iname.c_str());
fprintf(header,"\n");
vector<string> all = parents;
vector<string>::iterator i;
all.push_back(d.name);
// InterfaceDef allMerged = mergeAllParents(d);
map<string, string> definitionMap;
for(i=all.begin();i != all.end();i++)
{
InterfaceDef id = findInterface(*i);
string baseclass = id.name+"_base";
/* attributes */
for(ai = id.attributes.begin();ai != id.attributes.end();ai++)
{
AttributeDef& ad = *ai;
ForwardCode fc;
fc.fullifacename = fullifacename;
fc.constructor = false;
fc.mname = ad.name;
fc.baseclass = baseclass;
checkSymbolDefinition(ad.name, "attribute", id, definitionMap);
if(ad.flags & attributeAttribute)
{
if(ad.flags & streamOut) /* readable from outside */
{
fc.params = "";
fc.callparams = "";
fc.result = createTypeCode(ad.type,"",MODEL_RESULT);
fprintf(header,"\tinline %s %s();\n",
fc.result.c_str(), fc.mname.c_str());
forwardCode.push_back(fc);
}
if(ad.flags & streamIn) /* writeable from outside */
{
fc.params =
createTypeCode(ad.type,"_newValue",MODEL_ARG);
fc.callparams = "_newValue";
fc.result="void";
fprintf(header,"\tinline void %s(%s);\n",
fc.mname.c_str(), fc.params.c_str());
forwardCode.push_back(fc);
}
}
}
/* methods */
for(mi = id.methods.begin(); mi != id.methods.end(); mi++)
{
MethodDef& md = *mi;
ForwardCode fc;
fc.fullifacename = fullifacename;
fc.result = createReturnCode(md);
fc.params = createParamList(md);
fc.callparams = createCallParamList(md);
fc.constructor = (md.name == "constructor");
fc.baseclass = baseclass;
checkSymbolDefinition(md.name, "method", id, definitionMap);
// map constructor methods to the real things
if (md.name == "constructor") {
fc.mname = iname;
fprintf(header,"\tinline %s(%s);\n",
iname.c_str(),fc.params.c_str());
} else {
fc.mname = md.name;
fprintf(header,"\tinline %s %s(%s);\n",fc.result.c_str(),
md.name.c_str(),fc.params.c_str());
}
forwardCode.push_back(fc);
}
}
fprintf(header,"};\n\n");
}
nspace.leaveAll();
/*
* Forwarding code. We have to do this here, as the classes may depend on
* each other, e.g. an argument of one function are a SmartWrapper which is
* declared later in the text.
*/
if(!forwardCode.empty())
fprintf(header,"// Forward wrapper calls to _base classes:\n\n");
list<ForwardCode>::iterator fi;
for(fi = forwardCode.begin(); fi != forwardCode.end(); fi++)
{
if(fi->constructor)
{
fprintf(header,"inline %s::%s(%s)\n", fi->fullifacename.c_str(),
fi->mname.c_str(), fi->params.c_str());
fprintf(header,"\t\t: Arts::Object(%s_base::_create())\n",
fi->mname.c_str());
fprintf(header,"{\n");
fprintf(header,"\tstatic_cast<%s*>(_method_call())->constructor(%s);\n",
fi->baseclass.c_str(),fi->callparams.c_str());
fprintf(header,"}\n\n");
}
else
{
fprintf(header,"inline %s %s::%s(%s)\n",
fi->result.c_str(), fi->fullifacename.c_str(),
fi->mname.c_str(), fi->params.c_str());
fprintf(header,"{\n");
fprintf(header,"\t%s _cache?static_cast<%s*>(_cache)->%s(%s):"
"static_cast<%s*>(_method_call())->%s(%s);\n",
fi->result=="void"?"":"return",
fi->baseclass.c_str(),
fi->mname.c_str(),fi->callparams.c_str(),
fi->baseclass.c_str(),
fi->mname.c_str(),fi->callparams.c_str());
fprintf(header,"}\n\n");
}
}
}
enum DefaultDirection {defaultIn, defaultOut};
bool addParentDefaults(InterfaceDef& iface, vector<std::string>& ports, DefaultDirection dir);
bool lookupParentPort(InterfaceDef& iface, string port, vector<std::string>& ports, DefaultDirection dir);
bool addDefaults(InterfaceDef& iface, vector<std::string>& ports, DefaultDirection dir)
{
vector<AttributeDef>::iterator ai;
vector<std::string>::iterator di;
bool hasDefault = false;
// Go through the default ports of this interface
for (di = iface.defaultPorts.begin(); di != iface.defaultPorts.end(); di++) {
bool foundIn = false, foundOut = false;
// Find the corresponding attribute definition
for (ai = iface.attributes.begin(); ai != iface.attributes.end(); ai++)
{
AttributeDef& ad = *ai;
if ((ad.flags & attributeStream) && ((*di)==ad.name)) {
// Add this port to the list
if (ad.flags & streamIn) {
foundIn=true;
if (dir==defaultIn) ports.push_back(*di);
}
// Add this port to the list
if (ad.flags & streamOut) {
foundOut=true;
if (dir==defaultOut) ports.push_back(*di);
}
}
}
bool found = false;
// Not found, might come from a parent
if (!(foundIn || foundOut)) {
found = lookupParentPort(iface, *di, ports, dir);
}
if ((found) || (foundIn && (dir==defaultIn)) || (foundOut && (dir==defaultOut)))
hasDefault = true;
}
// If no default was specified, then try to inherit some
if (!hasDefault)
hasDefault = addParentDefaults(iface, ports, dir);
// Still have no default?
// If we have only one stream in a given direction, make it default.
if (!hasDefault) {
vector<AttributeDef>::iterator foundPos;
int found = 0;
for (ai = iface.attributes.begin(); ai != iface.attributes.end(); ai++)
{
AttributeDef& ad = *ai;
if (ad.flags & attributeStream) {
if ((ad.flags & streamIn) && (dir == defaultIn)) {
found++; foundPos=ai;
}
if ((ad.flags & streamOut) && (dir == defaultOut)) {
found++; foundPos=ai;
}
}
}
if (found == 1) {hasDefault=true; ports.push_back(foundPos->name);}
}
return hasDefault;
}
bool addParentDefaults(InterfaceDef& iface, vector<std::string>& ports, DefaultDirection dir)
{
list<InterfaceDef>::iterator interIt;
vector<std::string>::iterator si;
bool hasDefault = false;
// For all inherited interfaces
for (si = iface.inheritedInterfaces.begin(); si != iface.inheritedInterfaces.end(); si++)
{
// Find the corresponding interface definition
for (interIt=interfaces.begin(); interIt!=interfaces.end(); interIt++) {
InterfaceDef& parent = *interIt;
if (parent.name == (*si)) {
// Now add the default ports of this parent
bool b = addDefaults(parent, ports, dir);
if (b) hasDefault = true;
break;
}
}
}
return hasDefault;
}
bool lookupParentPort(InterfaceDef& iface, string port, vector<std::string>& ports, DefaultDirection dir)
{
list<InterfaceDef>::iterator interIt;
vector<AttributeDef>::iterator ai;
vector<std::string>::iterator si;
// For all inherited interfaces
for (si = iface.inheritedInterfaces.begin(); si != iface.inheritedInterfaces.end(); si++)
{
// Find the corresponding interface definition
for (interIt=interfaces.begin(); interIt!=interfaces.end(); interIt++) {
InterfaceDef& parent = *interIt;
if (parent.name == (*si)) {
// Now look at the ports of this parent
vector<AttributeDef>::iterator foundPos;
bool found = false;
for (ai = parent.attributes.begin(); ai != parent.attributes.end(); ai++) {
if ((ai->flags & attributeStream) && (ai->name==port)){
if (((ai->flags & streamIn) && (dir == defaultIn))
|| ((ai->flags & streamOut) && (dir == defaultOut))) {
found = true; foundPos=ai; break;
}
}
}
if (found) {ports.push_back(port); return true;}
// Not found, look recursively at the parent ancestors
bool b = lookupParentPort(parent, port, ports, dir);
if (b) return true; // done
break;
}
}
}
return false;
}
void doInterfacesSource(FILE *source)
{
list<InterfaceDef>::iterator ii;
vector<MethodDef>::iterator mi;
vector<AttributeDef>::iterator ai;
long mcount;
for(ii = interfaces.begin();ii != interfaces.end(); ii++)
{
InterfaceDef& d = *ii;
if(fromInclude(d.name)) continue; // should come from the include
string iname = NamespaceHelper::nameOf(d.name);
// create static functions
fprintf(source,"%s_base *%s_base::_create(const std::string& subClass)\n",
d.name.c_str(),d.name.c_str());
fprintf(source,"{\n");
fprintf(source,"\tArts::Object_skel *skel = "
"Arts::ObjectManager::the()->create(subClass);\n");
fprintf(source,"\tassert(skel);\n");
fprintf(source,"\t%s_base *castedObject = "
"(%s_base *)skel->_cast(%s_base::_IID);\n",
d.name.c_str(),d.name.c_str(),d.name.c_str());
fprintf(source,"\tassert(castedObject);\n");
fprintf(source,"\treturn castedObject;\n");
fprintf(source,"}\n\n");
fprintf(source,"%s_base *%s_base::_fromString(const std::string& objectref)\n",
d.name.c_str(),d.name.c_str());
fprintf(source,"{\n");
fprintf(source,"\tArts::ObjectReference r;\n\n");
fprintf(source,"\tif(Arts::Dispatcher::the()->stringToObjectReference(r,objectref))\n");
fprintf(source,"\t\treturn %s_base::_fromReference(r,true);\n",
d.name.c_str());
fprintf(source,"\treturn 0;\n");
fprintf(source,"}\n\n");
fprintf(source,"%s_base *%s_base::_fromDynamicCast(const Arts::Object& object)\n",
d.name.c_str(),d.name.c_str());
fprintf(source,"{\n");
fprintf(source,"\tif(object.isNull()) return 0;\n\n");
fprintf(source,"\t%s_base *castedObject = (%s_base *)object._base()->_cast(%s_base::_IID);\n",
d.name.c_str(), d.name.c_str(), d.name.c_str());
fprintf(source,"\tif(castedObject) return castedObject->_copy();\n\n");
fprintf(source,"\treturn _fromString(object._toString());\n");
fprintf(source,"}\n\n");
fprintf(source,"%s_base *%s_base::_fromReference(Arts::ObjectReference r,"
" bool needcopy)\n",d.name.c_str(),d.name.c_str());
fprintf(source,"{\n");
fprintf(source,"\t%s_base *result;\n",d.name.c_str());
fprintf(source,
"\tresult = (%s_base *)Arts::Dispatcher::the()->connectObjectLocal(r,\"%s\");\n",
d.name.c_str(),d.name.c_str());
fprintf(source,"\tif(result)\n");
fprintf(source,"\t{\n");
fprintf(source,"\t\tif(!needcopy)\n");
fprintf(source,"\t\t\tresult->_cancelCopyRemote();\n");
fprintf(source,"\t}\n");
fprintf(source,"\telse\n");
fprintf(source,"\t{\n");
fprintf(source,"\t\tArts::Connection *conn = "
"Arts::Dispatcher::the()->connectObjectRemote(r);\n");
fprintf(source,"\t\tif(conn)\n");
fprintf(source,"\t\t{\n");
fprintf(source,"\t\t\tresult = new %s_stub(conn,r.objectID);\n",
d.name.c_str());
fprintf(source,"\t\t\tif(needcopy) result->_copyRemote();\n");
fprintf(source,"\t\t\tresult->_useRemote();\n");
// Type checking
/*
* One may wonder why we first claim that we want to use the object
* using _useRemote, then check if we *can* to use it (if the
* type is right), and finally, if we can't release it
* again.
*
* However, if we don't, we can't release it either, as we may not
* release an object which we don't use. If we would not call release,
* we would on the other hand create a *local* memory leak, as the
* _stub wouldn't get removed.
*/
fprintf(source,"\t\t\tif (!result->_isCompatibleWith(\"%s\")) {\n",
d.name.c_str());
fprintf(source,"\t\t\t\tresult->_release();\n");
fprintf(source,"\t\t\t\treturn 0;\n");
fprintf(source,"\t\t\t}\n");
fprintf(source,"\t\t}\n");
fprintf(source,"\t}\n");
fprintf(source,"\treturn result;\n");
fprintf(source,"}\n\n");
// Default I/O info
vector<std::string> portsIn, portsOut;
vector<std::string>::iterator si, di;
addDefaults(d, portsIn, defaultIn);
addDefaults(d, portsOut, defaultOut);
vector<std::string> done; // don't repeat values
fprintf(source,"std::vector<std::string> %s_base::_defaultPortsIn() const {\n",d.name.c_str());
fprintf(source,"\tstd::vector<std::string> ret;\n");
// Loop through all the values
for (si = portsIn.begin(); si != portsIn.end(); si++)
{
// repeated value? (virtual public like merging...)
bool skipIt = false;
for (di = done.begin(); di != done.end(); di++) {
if ((*di)==(*si)) {skipIt = true; break;}
}
if (skipIt) continue;
fprintf(source,"\tret.push_back(\"%s\");\n",(*si).c_str());
done.push_back(*si);
}
fprintf(source,"\treturn ret;\n}\n");
done.clear();
fprintf(source,"std::vector<std::string> %s_base::_defaultPortsOut() const {\n",d.name.c_str());
fprintf(source,"\tstd::vector<std::string> ret;\n");
// Loop through all the values
for (si = portsOut.begin(); si != portsOut.end(); si++)
{
// repeated value? (virtual public like merging...)
bool skipIt = false;
for (di = done.begin(); di != done.end(); di++) {
if ((*di)==(*si)) {skipIt = true; break;}
}
if (skipIt) continue;
fprintf(source,"\tret.push_back(\"%s\");\n",(*si).c_str());
done.push_back(*si);
}
fprintf(source,"\treturn ret;\n}\n\n");
/** _cast operation **/
vector<std::string> parentCast = allParentsUnique(d);
fprintf(source,"void *%s_base::_cast(unsigned long iid)\n",
d.name.c_str());
fprintf(source,"{\n");
fprintf(source,"\tif(iid == %s_base::_IID) return (%s_base *)this;\n",
d.name.c_str(),d.name.c_str());
vector<std::string>::iterator pci;
for(pci = parentCast.begin(); pci != parentCast.end();pci++)
{
string& pc = *pci;
fprintf(source,"\tif(iid == %s_base::_IID) "
"return (%s_base *)this;\n",pc.c_str(),pc.c_str());
}
fprintf(source,"\tif(iid == Arts::Object_base::_IID) return (Arts::Object_base *)this;\n");
fprintf(source,"\treturn 0;\n");
fprintf(source,"}\n\n");
// create stub
/** constructors **/
fprintf(source,"%s_stub::%s_stub()\n" ,d.name.c_str(),iname.c_str());
fprintf(source,"{\n");
fprintf(source,"\t// constructor for subclasses"
" (don't use directly)\n");
fprintf(source,"}\n\n");
fprintf(source,"%s_stub::%s_stub(Arts::Connection *connection, "
"long objectID)\n",d.name.c_str(),iname.c_str());
fprintf(source," : Arts::Object_stub(connection, objectID)\n");
fprintf(source,"{\n");
fprintf(source,"\t// constructor to create a stub for an object\n");
fprintf(source,"}\n\n");
/** stub operations **/
/** stub operations for object methods **/
for(mi = d.methods.begin(); mi != d.methods.end(); mi++)
{
MethodDef& md = *mi;
createStubCode(source,d.name.c_str(),md.name.c_str(),md);
}
/** stub operations for attributes **/
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
{
AttributeDef& ad = *ai;
if(ad.flags & attributeAttribute)
{
MethodDef md;
if(ad.flags & streamOut) /* readable from outside */
{
md.name = "_get_"+ad.name;
md.type = ad.type;
md.flags = methodTwoway;
/* no parameters (don't set md.signature) */
createStubCode(source,d.name.c_str(),ad.name.c_str(),md);
}
if(ad.flags & streamIn) /* writeable from outside */
{
md.name = "_set_"+ad.name;
md.type = "void";
md.flags = methodTwoway;
ParamDef pd;
pd.type = ad.type;
pd.name = "newValue";
md.signature.push_back(pd);
createStubCode(source,d.name.c_str(),ad.name.c_str(),md);
}
}
}
// create skeleton
/** _interfaceName **/
fprintf(source,"std::string %s_skel::_interfaceName()\n",
d.name.c_str());
fprintf(source,"{\n");
fprintf(source,"\treturn \"%s\";\n",d.name.c_str());
fprintf(source,"}\n\n");
// Run-time type compatibility check
fprintf(source,"bool %s_skel::_isCompatibleWith(const std::string& interfacename)\n",
d.name.c_str());
fprintf(source,"{\n");
// Interface is compatible with itself!
fprintf(source,"\tif (interfacename == \"%s\") return true;\n",d.name.c_str());
// It also provides the parent interfaces
for(pci = parentCast.begin(); pci != parentCast.end();pci++)
{
fprintf(source,"\tif (interfacename == \"%s\") return true;\n", pci->c_str());
}
// and is ultimately an Object
fprintf(source,"\tif (interfacename == \"Arts::Object\") return true;\n");
fprintf(source,"\treturn false;\n"); // And nothing else
fprintf(source,"}\n\n");
fprintf(source,"std::string %s_skel::_interfaceNameSkel()\n",
d.name.c_str());
fprintf(source,"{\n");
fprintf(source,"\treturn \"%s\";\n",d.name.c_str());
fprintf(source,"}\n\n");
/** dispatch operations **/
Buffer methodTable;
/** dispatch operations for object methods **/
mcount = 0;
for(mi = d.methods.begin(); mi != d.methods.end(); mi++, mcount++)
{
MethodDef& md = *mi;
md.writeType(methodTable);
createDispatchFunction(source,mcount,d,md,md.name);
}
/** dispatch operations for attributes **/
for(ai = d.attributes.begin();ai != d.attributes.end();ai++)
{
AttributeDef& ad = *ai;
if(ad.flags & attributeAttribute)
{
MethodDef md;
if(ad.flags & streamOut) /* readable from outside */
{
md.name = "_get_"+ad.name;
md.type = ad.type;
md.flags = methodTwoway;
/* no parameters (don't set md.signature) */
md.writeType(methodTable);
createDispatchFunction(source,mcount++,d,md,ad.name);
}
if(ad.flags & streamIn) /* writeable from outside */
{
md.name = "_set_"+ad.name;
md.type = "void";
md.flags = methodTwoway;
ParamDef pd;
pd.type = ad.type;
pd.name = "newValue";
md.signature.push_back(pd);
md.writeType(methodTable);
createDispatchFunction(source,mcount++,d,md,ad.name);
}
}
}
/** methodTable **/
string methodTableString = formatMultiLineString(
methodTable.toString("MethodTable")," ");
fprintf(source,"void %s_skel::_buildMethodTable()\n",d.name.c_str());
fprintf(source,"{\n");
fprintf(source,"\tArts::Buffer m;\n");
fprintf(source,"\tm.fromString(\n");
fprintf(source,"%s,\n",methodTableString.c_str());
fprintf(source,"\t\t\"MethodTable\"\n");
fprintf(source,"\t);\n");
long i;
for(i=0;i<mcount;i++)
fprintf(source,"\t_addMethod(%s,this,Arts::MethodDef(m));\n",
dispatchFunctionName(d.name,i).c_str());
vector<string>::iterator ii = d.inheritedInterfaces.begin();
while(ii != d.inheritedInterfaces.end())
{
fprintf(source,"\t%s_skel::_buildMethodTable();\n",
ii->c_str());
ii++;
}
fprintf(source,"}\n\n");
fprintf(source,"%s_skel::%s_skel()\n", d.name.c_str(),iname.c_str());
fprintf(source,"{\n");
for(ai = d.attributes.begin(); ai != d.attributes.end(); ai++)
{
AttributeDef& ad = *ai;
if((ad.flags & attributeStream) == attributeStream)
{
fprintf(source,"\t_initStream(\"%s\",&%s,%d);\n",
ad.name.c_str(),ad.name.c_str(),ad.flags);
}
}
fprintf(source,"}\n\n");
/** notification operation **/
if(haveAsyncStreams(d))
{
fprintf(source,"void %s_skel::notify(const Arts::Notification "
"&notification)\n", d.name.c_str());
fprintf(source,"{\n");
for(ai = d.attributes.begin(); ai != d.attributes.end(); ai++)
{
AttributeDef& ad = *ai;
if((ad.flags & (attributeStream|streamAsync))
== (attributeStream|streamAsync))
{
const char *fname=(ad.flags&streamIn)?"process":"request";
string packettype =
createTypeCode(ad.type,"",MODEL_ASTREAM_PACKETPTR);
fprintf(source,"\tif(%s.notifyID() == notification.ID)\n",
ad.name.c_str());
fprintf(source,
"\t\t%s_%s((%s)notification.data);\n",
fname,ad.name.c_str(),packettype.c_str());
}
}
fprintf(source,"}\n\n");
/*
* create empty request_ methods for output streams
* (not everybody uses requesting)
*/
for(ai = d.attributes.begin(); ai != d.attributes.end(); ai++)
{
AttributeDef& ad = *ai;
if((ad.flags & (attributeStream|streamAsync|streamOut))
== (attributeStream|streamAsync|streamOut))
{
string packettype =
createTypeCode(ad.type,"",MODEL_ASTREAM_PACKETPTR);
fprintf(source,"void %s_skel::request_%s(%s)\n",
d.name.c_str(),ad.name.c_str(),packettype.c_str());
fprintf(source,"{\n");
fprintf(source," assert(false); // this default is for "
"modules who don't want requesting\n");
fprintf(source,"}\n\n");
}
}
}
// Smartwrapper statics
// _Creator
fprintf(source,"Arts::Object_base* %s::_Creator() {\n",d.name.c_str());
fprintf(source,"\treturn %s_base::_create();\n",d.name.c_str());
fprintf(source,"}\n\n");
// IID
fprintf(source,"unsigned long %s_base::_IID = "
"Arts::MCOPUtils::makeIID(\"%s\");\n\n",d.name.c_str(),d.name.c_str());
}
}
void doInterfaceRepoSource(FILE *source, string prefix)
{
Buffer b;
module.moduleName = "";
module.writeType(b);
string data = formatMultiLineString(b.toString("IDLFile")," ");
fprintf(source,"static Arts::IDLFileReg IDLFileReg_%s(\"%s\",\n%s\n);\n",
prefix.c_str(),prefix.c_str(),data.c_str());
}
void doTypeFile(string prefix)
{
Buffer b;
module.moduleName = prefix;
module.writeType(b);
FILE *typeFile = fopen((prefix+".mcoptype.new").c_str(),"w");
unsigned long towrite = b.size();
fwrite(b.read(towrite),1,towrite,typeFile);
fclose(typeFile);
}
void doTypeIndex(string prefix)
{
FILE *typeIndex = fopen((prefix+".mcopclass.new").c_str(),"w");
vector<string> supportedTypes;
vector<InterfaceDef>::iterator ii;
for(ii = module.interfaces.begin(); ii != module.interfaces.end(); ii++)
if(!fromInclude(ii->name)) supportedTypes.push_back(ii->name);
vector<TypeDef>::iterator ti;
for(ti = module.types.begin(); ti != module.types.end(); ti++)
if(!fromInclude(ti->name)) supportedTypes.push_back(ti->name);
string supportedTypesList;
vector<string>::iterator si;
bool first = true;
for(si = supportedTypes.begin(); si != supportedTypes.end(); si++)
{
if(!first) supportedTypesList += ",";
supportedTypesList += (*si);
first = false;
}
fprintf(typeIndex, "# this file was generated by the MCOP idl compiler - DO NOT EDIT\n");
fprintf(typeIndex,"Type=%s\n",supportedTypesList.c_str());
fprintf(typeIndex,"TypeFile=%s.mcoptype\n",prefix.c_str());
fclose(typeIndex);
}
void exit_usage(char *name)
{
fprintf(stderr,"usage: %s [ <options> ] <filename>\n",name);
fprintf(stderr,"\nOptions:\n");
fprintf(stderr," -I <directory> search in <directory> for includes\n");
fprintf(stderr," -e <name> exclude a struct/interface/enum from code generation\n");
fprintf(stderr," -t create .mcoptype/.mcopclass files with type information\n");
exit(1);
}
extern void mcopidlParse(const char *code);
bool match(vector<char>::iterator start, const char *string)
{
while(*string && *start)
if(*string++ != *start++) return false;
return (*string == 0);
}
bool fileExists(const char *filename)
{
FILE *test = fopen(filename,"r");
if(test)
{
fclose(test);
return true;
}
return false;
}
string searchFile(const char *filename,list<string>& path)
{
if(fileExists(filename)) return filename;
list<string>::iterator i;
for(i = path.begin(); i != path.end(); i++)
{
string location = *i + "/" + filename;
if(fileExists(location.c_str())) return location;
}
fprintf(stderr,"file '%s' not found\n",filename);
exit(1);
}
void append_file_to_vector(const char *filename, vector<char>& v)
{
FILE *f = fopen(filename,"r");
if(!f) {
fprintf(stderr,"file '%s' not found\n",filename);
exit(1);
}
char buffer[1024];
long l;
while((l = fread(buffer,1,1024,f)) > 0)
v.insert(v.end(),buffer, buffer+l);
fclose(f);
}
void append_string_to_vector(const char *string, vector<char>& v)
{
while(*string) v.push_back(*string++);
}
void preprocess(vector<char>& input, vector<char>& output)
{
string filename;
enum { lineStart, idlCode, commentC, filenameFind,
filenameIn1, filenameIn2 } state = lineStart;
vector<char>::iterator i = input.begin();
while(i != input.end())
{
if(state != commentC && match(i,"/*")) // check if here starts a comment
{
state = commentC;
i += 2;
}
else if(state == commentC)
{
if(match(i,"*/")) // leave comment state?
{
state = idlCode;
i += 2;
}
else // skip comments
{
if(*i == '\n') output.push_back(*i); // keep line numbering
i++;
}
}
else if(state == filenameFind)
{
switch(*i++)
{
case ' ': // skip whitespaces
case '\t':
break;
case '"': state = filenameIn1;
break;
case '<': state = filenameIn2;
break;
default: cerr << "bad char after #include statement" << endl;
assert(0); // error handling!
}
}
else if((state == filenameIn1 && *i == '"')
|| (state == filenameIn2 && *i == '>'))
{
append_string_to_vector("#startinclude <",output);
append_string_to_vector(filename.c_str(),output);
append_string_to_vector(">\n",output);
if(!haveIncluded(filename))
{
::includes.push_back(filename);
// load include, preprocess
vector<char> file,filepp;
string location = searchFile(filename.c_str(),includePath);
append_file_to_vector(location.c_str(),file);
preprocess(file,filepp);
// append preprocessed file
output.insert(output.end(),filepp.begin(),filepp.end());
}
append_string_to_vector("#endinclude",output);
state = idlCode;
i++;
}
else if(state == filenameIn1 || state == filenameIn2)
{
filename += *i++;
}
else if(state == lineStart) // check if we're on lineStart
{
if(match(i,"#include"))
{
i += 8;
state = filenameFind;
filename = "";
}
else
{
if(*i != ' ' && *i != '\t' && *i != '\n') state = idlCode;
output.push_back(*i++);
}
}
else
{
if(*i == '\n') state = lineStart; // newline handling
output.push_back(*i++);
}
}
}
int main(int argc, char **argv)
{
/*
* parse command line options
*/
int c;
bool makeTypeInfo = false;
while((c = getopt(argc, argv, "I:P:C:te:includ")) != -1)
{
switch(c)
{
case 'I': includePath.push_back(optarg);
break;
case 'P': packetTypes.push_back(optarg);
break;
case 'C': customIncludes.push_back(optarg);
break;
case 't': makeTypeInfo = true;
break;
case 'e': includedNames.push_back(optarg);
break;
case 'i': break; // Ignore gcc's -include <header.h> option
case 'n': break; // Ignore gcc's -include <header.h> option
case 'c': break; // Ignore gcc's -include <header.h> option
case 'l': break; // Ignore gcc's -include <header.h> option
case 'u': break; // Ignore gcc's -include <header.h> option
case 'd': break; // Ignore gcc's -include <header.h> option
default: exit_usage(argv[0]);
break;
}
}
if((argc-optind) != 1) exit_usage(argv[0]);
const char *inputfile = argv[optind];
/*
* find out prefix (filename without .idl)
*/
char *prefix = strdup(inputfile);
if(strlen(prefix) < 4 || strcmp(&prefix[strlen(prefix)-4],".idl")) {
fprintf(stderr,"filename must end in .idl\n");
exit(1);
} else {
prefix[strlen(prefix)-4] = 0;
}
/*
* strip path (mcopidl always outputs the result into the current directory)
*/
char *pathless = strrchr(prefix,'/');
if(pathless)
prefix = pathless+1;
/*
* load file
*/
idl_line_no = 1;
idl_in_include = 0;
idl_filename = inputfile;
vector<char> contents,contentspp;
append_file_to_vector(inputfile,contents);
// trailing zero byte (mcopidlParse wants a C-style string as argument)
contents.push_back(0);
// preprocess (throws includes into contents, removes C-style comments)
preprocess(contents,contentspp);
// call lex&yacc parser
mcopidlParse(&contentspp[0]);
// generate code for C++ header file
FILE *header = startHeader(prefix);
doIncludeHeader(header);
doEnumHeader(header);
doStructHeader(header);
doInterfacesHeader(header);
endHeader(header,prefix);
moveIfChanged(string(prefix)+".h");
// generate code for C++ source file
FILE *source = startSource(prefix);
doStructSource(source);
doInterfacesSource(source);
doInterfaceRepoSource(source,prefix);
endSource(source);
moveIfChanged(string(prefix)+".cc");
// create type file
if(makeTypeInfo)
{
doTypeFile(prefix);
doTypeIndex(prefix);
moveIfChanged(string(prefix)+".mcoptype");
moveIfChanged(string(prefix)+".mcopclass");
}
return 0;
}
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