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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 _INTERPRETER_CODE_CONTAINER_H
#define _INTERPRETER_CODE_CONTAINER_H
#include "code_container.hh"
#include "fir_to_fir.hh"
#include "instructions_compiler.hh"
#include "interpreter_dsp.hh"
#include "interpreter_instructions.hh"
#include "vec_code_container.hh"
template <class REAL>
class InterpreterCodeContainer : public virtual CodeContainer {
protected:
static InterpreterInstVisitor<REAL>* gInterpreterVisitor;
FIRMetaBlockInstruction* produceMetadata(std::string& name);
virtual void generateSR()
{
if (!fGeneratedSR) {
pushDeclare(IB::genDecStructVar("fSampleRate", IB::genInt32Typed()));
}
}
// To be implemented in each InterpreterScalarCodeContainer and InterpreterVectorCodeContainer
// classes
virtual FBCBlockInstruction<REAL>* generateCompute() = 0;
public:
InterpreterCodeContainer(const std::string& name, int numInputs, int numOutputs);
virtual ~InterpreterCodeContainer() {}
void produceInternal() {}
virtual dsp_factory_base* produceFactory();
CodeContainer* createScalarContainer(const std::string& name, int sub_container_type);
static CodeContainer* createContainer(const std::string& name, int numInputs, int numOutputs);
};
template <class REAL>
class InterpreterScalarCodeContainer : public InterpreterCodeContainer<REAL> {
protected:
virtual FBCBlockInstruction<REAL>* generateCompute();
public:
InterpreterScalarCodeContainer(const std::string& name, int numInputs, int numOutputs,
int sub_container_type);
virtual ~InterpreterScalarCodeContainer();
};
template <class REAL>
class InterpreterVectorCodeContainer : public VectorCodeContainer,
public InterpreterCodeContainer<REAL> {
protected:
virtual FBCBlockInstruction<REAL>* generateCompute();
public:
InterpreterVectorCodeContainer(const std::string& name, int numInputs, int numOutputs)
: VectorCodeContainer(numInputs, numOutputs),
InterpreterCodeContainer<REAL>(name, numInputs, numOutputs)
{
}
virtual ~InterpreterVectorCodeContainer() {}
};
class InterpreterInstructionsCompiler : public virtual InstructionsCompiler {
public:
InterpreterInstructionsCompiler(CodeContainer* container) : InstructionsCompiler(container) {}
protected:
StatementInst* generateShiftArray(const std::string& vname, int delay) override
{
return IB::genShiftArrayVarInst(IB::genNamedAddress(vname, Address::kStruct), delay);
}
ValueInst* generateSoundfile(Tree sig, Tree path) override
{
std::string varname = gGlobal->getFreshID("fSoundfile");
std::string SFcache = varname + "ca";
fUITree.addUIWidget(reverse(tl(path)), uiWidget(hd(path), tree(varname), sig));
pushDeclare(IB::genDecStructVar(varname, IB::genBasicTyped(Typed::kSound_ptr)));
return IB::genLoadStructVar(varname);
}
// Soundfile struct access are fully generated, instead of using intermediate local stack
// variables as in InstructionsCompiler
// x = part
ValueInst* generateSoundfileLength(Tree sig, ValueInst* sf, ValueInst* x) override
{
LoadVarInst* load = dynamic_cast<LoadVarInst*>(sf);
faustassert(load);
// In reverse order for the Interp stack
std::vector<ValueInst*> indices = {x, IB::genInt32NumInst(Soundfile::kLength)};
return IB::genLoadArrayStructVar(load->fAddress->getName(), indices);
}
// x = part
ValueInst* generateSoundfileRate(Tree sig, ValueInst* sf, ValueInst* x) override
{
LoadVarInst* load = dynamic_cast<LoadVarInst*>(sf);
faustassert(load);
// In reverse order for the Interp stack
std::vector<ValueInst*> indices = {x, IB::genInt32NumInst(Soundfile::kSR)};
return IB::genLoadArrayStructVar(load->fAddress->getName(), indices);
}
// x = chan, y = part, z = ridx
ValueInst* generateSoundfileBuffer(Tree sig, ValueInst* sf, ValueInst* x, ValueInst* y,
ValueInst* z) override
{
LoadVarInst* load = dynamic_cast<LoadVarInst*>(sf);
faustassert(load);
// In reverse order for the Interp stack
std::vector<ValueInst*> indices1 = {y, IB::genInt32NumInst(Soundfile::kOffset)};
ValueInst* offset = IB::genLoadArrayStructVar(load->fAddress->getName(), indices1);
// In reverse order for the Interp stack
std::vector<ValueInst*> indices2 = {IB::genAdd(offset, z), x,
IB::genInt32NumInst(Soundfile::kBuffers)};
return IB::genLoadArrayStructVar(load->fAddress->getName(), indices2);
}
};
#endif
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