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flatbuffers
Commit 2e7806ed authored by Harsh Vardhan's avatar Harsh Vardhan
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Initial support to add other languages to flatbuffers

parent b36bd67b
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Showing with 155 additions and 108 deletions
CMakeLists.txt
View file @ 2e7806ed
......@@ -44,6 +44,7 @@ set(FlatBuffers_Compiler_SRCS
src/idl_gen_fbs.cpp
src/idl_gen_grpc.cpp
src/flatc.cpp
grpc/src/compiler/schema_interface.h
grpc/src/compiler/cpp_generator.h
grpc/src/compiler/cpp_generator.cc
)
......
grpc/src/compiler/cpp_generator.cc
View file @ 2e7806ed
......@@ -67,7 +67,8 @@ grpc::string FilenameIdentifier(const grpc::string &filename) {
template<class T, size_t N>
T *array_end(T (&array)[N]) { return array + N; }
void PrintIncludes(Printer *printer, const std::vector<grpc::string>& headers, const Parameters &params) {
void PrintIncludes(grpc_generator::Printer *printer,
const std::vector<grpc::string>& headers, const Parameters &params) {
std::map<grpc::string, grpc::string> vars;
vars["l"] = params.use_system_headers ? '<' : '"';
......@@ -86,7 +87,7 @@ void PrintIncludes(Printer *printer, const std::vector<grpc::string>& headers, c
}
}
grpc::string GetHeaderPrologue(File *file, const Parameters & /*params*/) {
grpc::string GetHeaderPrologue(grpc_generator::File *file, const Parameters & /*params*/) {
grpc::string output;
{
// Scope the output stream so it closes and finalizes output to the string.
......@@ -111,7 +112,7 @@ grpc::string GetHeaderPrologue(File *file, const Parameters & /*params*/) {
return output;
}
grpc::string GetHeaderIncludes(File *file,
grpc::string GetHeaderIncludes(grpc_generator::File *file,
const Parameters &params) {
grpc::string output;
{
......@@ -154,7 +155,7 @@ grpc::string GetHeaderIncludes(File *file,
}
void PrintHeaderClientMethodInterfaces(
Printer *printer, const Method *method,
grpc_generator::Printer *printer, const grpc_generator::Method *method,
std::map<grpc::string, grpc::string> *vars, bool is_public) {
(*vars)["Method"] = method->name();
(*vars)["Request"] = method->input_type_name();
......@@ -303,8 +304,8 @@ void PrintHeaderClientMethodInterfaces(
}
}
void PrintHeaderClientMethod(Printer *printer,
const Method *method,
void PrintHeaderClientMethod(grpc_generator::Printer *printer,
const grpc_generator::Method *method,
std::map<grpc::string, grpc::string> *vars,
bool is_public) {
(*vars)["Method"] = method->name();
......@@ -445,13 +446,13 @@ void PrintHeaderClientMethod(Printer *printer,
}
}
void PrintHeaderClientMethodData(Printer *printer, const Method *method,
void PrintHeaderClientMethodData(grpc_generator::Printer *printer, const grpc_generator::Method *method,
std::map<grpc::string, grpc::string> *vars) {
(*vars)["Method"] = method->name();
printer->Print(*vars, "const ::grpc::RpcMethod rpcmethod_$Method$_;\n");
}
void PrintHeaderServerMethodSync(Printer *printer, const Method *method,
void PrintHeaderServerMethodSync(grpc_generator::Printer *printer, const grpc_generator::Method *method,
std::map<grpc::string, grpc::string> *vars) {
(*vars)["Method"] = method->name();
(*vars)["Request"] = method->input_type_name();
......@@ -483,8 +484,8 @@ void PrintHeaderServerMethodSync(Printer *printer, const Method *method,
}
void PrintHeaderServerMethodAsync(
Printer *printer,
const Method *method,
grpc_generator::Printer *printer,
const grpc_generator::Method *method,
std::map<grpc::string, grpc::string> *vars) {
(*vars)["Method"] = method->name();
(*vars)["Request"] = method->input_type_name();
......@@ -599,8 +600,8 @@ void PrintHeaderServerMethodAsync(
}
void PrintHeaderServerMethodGeneric(
Printer *printer,
const Method *method,
grpc_generator::Printer *printer,
const grpc_generator::Method *method,
std::map<grpc::string, grpc::string> *vars) {
(*vars)["Method"] = method->name();
(*vars)["Request"] = method->input_type_name();
......@@ -669,8 +670,8 @@ void PrintHeaderServerMethodGeneric(
printer->Print(*vars, "};\n");
}
void PrintHeaderService(Printer *printer,
const Service *service,
void PrintHeaderService(grpc_generator::Printer *printer,
const grpc_generator::Service *service,
std::map<grpc::string, grpc::string> *vars) {
(*vars)["Service"] = service->name();
......@@ -764,7 +765,7 @@ void PrintHeaderService(Printer *printer,
printer->Print("};\n");
}
grpc::string GetHeaderServices(File *file,
grpc::string GetHeaderServices(grpc_generator::File *file,
const Parameters &params) {
grpc::string output;
{
......@@ -795,7 +796,7 @@ grpc::string GetHeaderServices(File *file,
return output;
}
grpc::string GetHeaderEpilogue(File *file, const Parameters & /*params*/) {
grpc::string GetHeaderEpilogue(grpc_generator::File *file, const Parameters & /*params*/) {
grpc::string output;
{
// Scope the output stream so it closes and finalizes output to the string.
......@@ -821,7 +822,7 @@ grpc::string GetHeaderEpilogue(File *file, const Parameters & /*params*/) {
return output;
}
grpc::string GetSourcePrologue(File *file, const Parameters & /*params*/) {
grpc::string GetSourcePrologue(grpc_generator::File *file, const Parameters & /*params*/) {
grpc::string output;
{
// Scope the output stream so it closes and finalizes output to the string.
......@@ -845,7 +846,7 @@ grpc::string GetSourcePrologue(File *file, const Parameters & /*params*/) {
return output;
}
grpc::string GetSourceIncludes(File *file,
grpc::string GetSourceIncludes(grpc_generator::File *file,
const Parameters &params) {
grpc::string output;
{
......@@ -880,8 +881,8 @@ grpc::string GetSourceIncludes(File *file,
return output;
}
void PrintSourceClientMethod(Printer *printer,
const Method *method,
void PrintSourceClientMethod(grpc_generator::Printer *printer,
const grpc_generator::Method *method,
std::map<grpc::string, grpc::string> *vars) {
(*vars)["Method"] = method->name();
(*vars)["Request"] = method->input_type_name();
......@@ -981,8 +982,8 @@ void PrintSourceClientMethod(Printer *printer,
}
}
void PrintSourceServerMethod(Printer *printer,
const Method *method,
void PrintSourceServerMethod(grpc_generator::Printer *printer,
const grpc_generator::Method *method,
std::map<grpc::string, grpc::string> *vars) {
(*vars)["Method"] = method->name();
(*vars)["Request"] = method->input_type_name();
......@@ -1040,8 +1041,8 @@ void PrintSourceServerMethod(Printer *printer,
}
}
void PrintSourceService(Printer *printer,
const Service *service,
void PrintSourceService(grpc_generator::Printer *printer,
const grpc_generator::Service *service,
std::map<grpc::string, grpc::string> *vars) {
(*vars)["Service"] = service->name();
......@@ -1153,7 +1154,7 @@ void PrintSourceService(Printer *printer,
}
}
grpc::string GetSourceServices(File *file,
grpc::string GetSourceServices(grpc_generator::File *file,
const Parameters &params) {
grpc::string output;
{
......@@ -1182,7 +1183,7 @@ grpc::string GetSourceServices(File *file,
return output;
}
grpc::string GetSourceEpilogue(File *file, const Parameters & /*params*/) {
grpc::string GetSourceEpilogue(grpc_generator::File *file, const Parameters & /*params*/) {
grpc::string temp;
if (!file->package().empty()) {
......
grpc/src/compiler/cpp_generator.h
View file @ 2e7806ed
......@@ -41,16 +41,7 @@
#include <memory>
#include <vector>
#ifndef GRPC_CUSTOM_STRING
#include <string>
#define GRPC_CUSTOM_STRING std::string
#endif
namespace grpc {
typedef GRPC_CUSTOM_STRING string;
} // namespace grpc
#include "src/compiler/schema_interface.h"
namespace grpc_cpp_generator {
......@@ -64,83 +55,29 @@ struct Parameters {
grpc::string grpc_search_path;
};
// An abstract interface representing a method.
struct Method {
virtual ~Method() {}
virtual grpc::string name() const = 0;
virtual grpc::string input_type_name() const = 0;
virtual grpc::string output_type_name() const = 0;
virtual bool NoStreaming() const = 0;
virtual bool ClientOnlyStreaming() const = 0;
virtual bool ServerOnlyStreaming() const = 0;
virtual bool BidiStreaming() const = 0;
};
// An abstract interface representing a service.
struct Service {
virtual ~Service() {}
virtual grpc::string name() const = 0;
virtual int method_count() const = 0;
virtual std::unique_ptr<const Method> method(int i) const = 0;
};
struct Printer {
virtual ~Printer() {}
virtual void Print(const std::map<grpc::string, grpc::string> &vars,
const char *template_string) = 0;
virtual void Print(const char *string) = 0;
virtual void Indent() = 0;
virtual void Outdent() = 0;
};
// An interface that allows the source generated to be output using various
// libraries/idls/serializers.
struct File {
virtual ~File() {}
virtual grpc::string filename() const = 0;
virtual grpc::string filename_without_ext() const = 0;
virtual grpc::string message_header_ext() const = 0;
virtual grpc::string service_header_ext() const = 0;
virtual grpc::string package() const = 0;
virtual std::vector<grpc::string> package_parts() const = 0;
virtual grpc::string additional_headers() const = 0;
virtual int service_count() const = 0;
virtual std::unique_ptr<const Service> service(int i) const = 0;
virtual std::unique_ptr<Printer> CreatePrinter(grpc::string *str) const = 0;
};
// Return the prologue of the generated header file.
grpc::string GetHeaderPrologue(File *file, const Parameters &params);
grpc::string GetHeaderPrologue(grpc_generator::File *file, const Parameters &params);
// Return the includes needed for generated header file.
grpc::string GetHeaderIncludes(File *file, const Parameters &params);
grpc::string GetHeaderIncludes(grpc_generator::File *file, const Parameters &params);
// Return the includes needed for generated source file.
grpc::string GetSourceIncludes(File *file, const Parameters &params);
grpc::string GetSourceIncludes(grpc_generator::File *file, const Parameters &params);
// Return the epilogue of the generated header file.
grpc::string GetHeaderEpilogue(File *file, const Parameters &params);
grpc::string GetHeaderEpilogue(grpc_generator::File *file, const Parameters &params);
// Return the prologue of the generated source file.
grpc::string GetSourcePrologue(File *file, const Parameters &params);
grpc::string GetSourcePrologue(grpc_generator::File *file, const Parameters &params);
// Return the services for generated header file.
grpc::string GetHeaderServices(File *file, const Parameters &params);
grpc::string GetHeaderServices(grpc_generator::File *file, const Parameters &params);
// Return the services for generated source file.
grpc::string GetSourceServices(File *file, const Parameters &params);
grpc::string GetSourceServices(grpc_generator::File *file, const Parameters &params);
// Return the epilogue of the generated source file.
grpc::string GetSourceEpilogue(File *file, const Parameters &params);
grpc::string GetSourceEpilogue(grpc_generator::File *file, const Parameters &params);
} // namespace grpc_cpp_generator
......
grpc/src/compiler/schema_interface.h 0 → 100644
View file @ 2e7806ed
/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPC_INTERNAL_COMPILER_SCHEMA_INTERFACE_H
#define GRPC_INTERNAL_COMPILER_SCHEMA_INTERFACE_H
#include <memory>
#include <vector>
#ifndef GRPC_CUSTOM_STRING
#include <string>
#define GRPC_CUSTOM_STRING std::string
#endif
namespace grpc {
typedef GRPC_CUSTOM_STRING string;
} // namespace grpc
namespace grpc_generator {
// An abstract interface representing a method.
struct Method {
virtual ~Method() {}
virtual grpc::string name() const = 0;
virtual grpc::string input_type_name() const = 0;
virtual grpc::string output_type_name() const = 0;
virtual bool NoStreaming() const = 0;
virtual bool ClientOnlyStreaming() const = 0;
virtual bool ServerOnlyStreaming() const = 0;
virtual bool BidiStreaming() const = 0;
};
// An abstract interface representing a service.
struct Service {
virtual ~Service() {}
virtual grpc::string name() const = 0;
virtual int method_count() const = 0;
virtual std::unique_ptr<const Method> method(int i) const = 0;
};
struct Printer {
virtual ~Printer() {}
virtual void Print(const std::map<grpc::string, grpc::string> &vars,
const char *template_string) = 0;
virtual void Print(const char *string) = 0;
virtual void Indent() = 0;
virtual void Outdent() = 0;
};
// An interface that allows the source generated to be output using various
// libraries/idls/serializers.
struct File {
virtual ~File() {}
virtual grpc::string filename() const = 0;
virtual grpc::string filename_without_ext() const = 0;
virtual grpc::string message_header_ext() const = 0;
virtual grpc::string service_header_ext() const = 0;
virtual grpc::string package() const = 0;
virtual std::vector<grpc::string> package_parts() const = 0;
virtual grpc::string additional_headers() const = 0;
virtual int service_count() const = 0;
virtual std::unique_ptr<const Service> service(int i) const = 0;
virtual std::unique_ptr<Printer> CreatePrinter(grpc::string *str) const = 0;
};
} // namespace grpc_generator
#endif // GRPC_INTERNAL_COMPILER_SCHEMA_INTERFACE_H
src/idl_gen_grpc.cpp
View file @ 2e7806ed
......@@ -24,7 +24,7 @@
namespace flatbuffers {
class FlatBufMethod : public grpc_cpp_generator::Method {
class FlatBufMethod : public grpc_generator::Method {
public:
enum Streaming { kNone, kClient, kServer, kBiDi };
......@@ -62,7 +62,7 @@ class FlatBufMethod : public grpc_cpp_generator::Method {
Streaming streaming_;
};
class FlatBufService : public grpc_cpp_generator::Service {
class FlatBufService : public grpc_generator::Service {
public:
FlatBufService(const ServiceDef *service) : service_(service) {}
......@@ -72,8 +72,8 @@ class FlatBufService : public grpc_cpp_generator::Service {
return static_cast<int>(service_->calls.vec.size());
};
std::unique_ptr<const grpc_cpp_generator::Method> method(int i) const {
return std::unique_ptr<const grpc_cpp_generator::Method>(
std::unique_ptr<const grpc_generator::Method> method(int i) const {
return std::unique_ptr<const grpc_generator::Method>(
new FlatBufMethod(service_->calls.vec[i]));
};
......@@ -81,7 +81,7 @@ class FlatBufService : public grpc_cpp_generator::Service {
const ServiceDef *service_;
};
class FlatBufPrinter : public grpc_cpp_generator::Printer {
class FlatBufPrinter : public grpc_generator::Printer {
public:
FlatBufPrinter(std::string *str)
: str_(str), escape_char_('$'), indent_(0) {}
......@@ -133,7 +133,7 @@ class FlatBufPrinter : public grpc_cpp_generator::Printer {
int indent_;
};
class FlatBufFile : public grpc_cpp_generator::File {
class FlatBufFile : public grpc_generator::File {
public:
FlatBufFile(const Parser &parser, const std::string &file_name)
: parser_(parser), file_name_(file_name) {}
......@@ -163,13 +163,13 @@ class FlatBufFile : public grpc_cpp_generator::File {
return static_cast<int>(parser_.services_.vec.size());
};
std::unique_ptr<const grpc_cpp_generator::Service> service(int i) const {
return std::unique_ptr<const grpc_cpp_generator::Service> (
std::unique_ptr<const grpc_generator::Service> service(int i) const {
return std::unique_ptr<const grpc_generator::Service> (
new FlatBufService(parser_.services_.vec[i]));
}
std::unique_ptr<grpc_cpp_generator::Printer> CreatePrinter(std::string *str) const {
return std::unique_ptr<grpc_cpp_generator::Printer>(
std::unique_ptr<grpc_generator::Printer> CreatePrinter(std::string *str) const {
return std::unique_ptr<grpc_generator::Printer>(
new FlatBufPrinter(str));
}
......
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