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/************************************************************************
************************************************************************
FAUST compiler
Copyright (C) 2003-2018 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
************************************************************************
************************************************************************/
#ifndef _WASM_CODE_CONTAINER_H
#define _WASM_CODE_CONTAINER_H
#include "code_container.hh"
#include "dsp_factory.hh"
#include "fir_to_fir.hh"
#include "json_instructions.hh"
#include "rn_base64.h"
#include "vec_code_container.hh"
#include "wasm_instructions.hh"
class WASMCodeContainer : public virtual CodeContainer {
protected:
std::ostream* fOut;
BufferWithRandomAccess fBinaryOut;
std::stringstream fHelper;
int fInternalMemory; // Whether memory is allocated inside wasm module or JS
DeclareFunInst* generateInstanceInitFun(const std::string& name, const std::string& obj,
bool ismethod, bool isvirtual);
DeclareFunInst* generateClassInit(const std::string& name);
DeclareFunInst* generateInstanceClear(const std::string& name, const std::string& obj,
bool ismethod, bool isvirtual);
DeclareFunInst* generateInstanceConstants(const std::string& name, const std::string& obj,
bool ismethod, bool isvirtual);
DeclareFunInst* generateInstanceResetUserInterface(const std::string& name,
const std::string& obj, bool ismethod,
bool isvirtual);
void generateComputeAux(BlockInst* compute_block);
template <typename REAL>
std::string generateJSON()
{
// JSON generation
JSONInstVisitor<REAL> json_visitor1;
generateUserInterface(&json_visitor1);
PathTableType path_index_table;
std::map<std::string, MemoryDesc>& fieldTable1 = gGlobal->gWASMVisitor->getFieldTable();
for (const auto& it : json_visitor1.fPathTable) {
// Get field index
MemoryDesc tmp = fieldTable1[it.first];
path_index_table[it.second] = tmp.fOffset;
}
// "name", "filename" found in metadata
std::string dsp_code = (gGlobal->gInputString.size() > 0)
? gGlobal->gInputString
: pathToContent(gGlobal->gMasterDocument);
JSONInstVisitor<REAL> json_visitor2(
"", "", fNumInputs, fNumOutputs, -1, "", base64_encode(dsp_code), FAUSTVERSION,
gGlobal->printCompilationOptions1(), gGlobal->gReader.listLibraryFiles(),
gGlobal->gImportDirList, gGlobal->gWASMVisitor->getStructSize(), path_index_table,
MemoryLayoutType());
generateUserInterface(&json_visitor2);
generateMetaData(&json_visitor2);
return json_visitor2.JSON(true);
}
public:
WASMCodeContainer(const std::string& name, int numInputs, int numOutputs, std::ostream* out,
bool internal_memory = true);
virtual ~WASMCodeContainer() {}
virtual void produceClass();
virtual void generateCompute() = 0;
void produceInternal() {}
virtual dsp_factory_base* produceFactory();
CodeContainer* createScalarContainer(const std::string& name, int sub_container_type);
CodeContainer* createScalarContainer(const std::string& name, int sub_container_type,
bool internal_memory = true);
static CodeContainer* createContainer(const std::string& name, int numInputs, int numOutputs,
std::ostream* dst, bool internal_memory);
};
class WASMScalarCodeContainer : public WASMCodeContainer {
protected:
public:
WASMScalarCodeContainer(const std::string& name, int numInputs, int numOutputs,
std::ostream* out, int sub_container_type, bool internal_memory);
virtual ~WASMScalarCodeContainer() {}
void generateCompute();
};
class WASMVectorCodeContainer : public VectorCodeContainer, public WASMCodeContainer {
protected:
public:
WASMVectorCodeContainer(const std::string& name, int numInputs, int numOutputs,
std::ostream* out, bool internal_memory);
virtual ~WASMVectorCodeContainer() {}
void generateCompute();
};
#endif
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