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#ifndef __TType__
#define __TType__
#include "TPrintable.hh"
#include "Text.hh"
#include <assert.h>
string getFreshID(const string& prefix);
struct TType : public TPrintable
{
virtual ~TType () {}
virtual void generate(ostream* dst, int n) = 0;
virtual void generateCPP(ostream* dst, int n) = 0;
virtual void generateCPPNoAlias(ostream* dst, int n) = 0;
virtual void generateDef(ostream* dst, int n) = 0;
virtual void generateDefNoAlias(ostream* dst, int n) = 0;
virtual int getSize() = 0;
virtual bool equal(TType* type) = 0;
virtual TType* deref() = 0;
};
struct TTypable
{
virtual TType* getType() = 0;
};
struct TRateable
{
virtual int getRate() = 0;
};
struct TIntType : public TType
{
virtual ~TIntType() {}
virtual void generate(ostream* dst, int n) { *dst << "int"; }
virtual void generateCPP(ostream* dst, int n) { *dst << "int"; }
virtual void generateCPPNoAlias(ostream* dst, int n) { *dst << "int"; }
virtual void generateDef(ostream* dst, int n) {}
virtual void generateDefNoAlias(ostream* dst, int n) {}
virtual int getSize() { return 0; }
virtual bool equal(TType* type)
{
return dynamic_cast<TIntType*>(type);
}
virtual TType* deref()
{
cerr << "Error : dereferencing int type !!" << endl;
assert(false);
}
};
struct TFloatType : public TType
{
virtual ~TFloatType() {}
virtual void generate(ostream* dst, int n) { *dst << "float"; }
virtual void generateCPP(ostream* dst, int n) { *dst << "float"; }
virtual void generateCPPNoAlias(ostream* dst, int n) { *dst << "float"; }
virtual void generateDef(ostream* dst, int n) {}
virtual void generateDefNoAlias(ostream* dst, int n) {}
virtual int getSize() { return 0; }
virtual bool equal(TType* type)
{
return dynamic_cast<TFloatType*>(type);
}
virtual TType* deref()
{
cerr << "Error : dereferencing float type !!" << endl;
assert(false);
}
};
struct TVectorType : public TType
{
TType* fType;
int fSize;
string fDecName;
bool fGenerated;
TVectorType(TType* type, int size, const string& name):fType(type), fSize(size), fDecName(name), fGenerated(false)
{}
virtual ~TVectorType() {}
virtual void generate(ostream* dst, int n)
{
fType->generate(dst, n); *dst << "[" << fSize << "]";
}
virtual void generateCPP(ostream* dst, int n)
{
*dst << fDecName;
}
virtual void generateCPPNoAlias(ostream* dst, int n)
{
*dst << fDecName;
}
void generatePoly(ostream* dst, int n, const string& op)
{
tab(n+1, *dst); *dst << fDecName << " operator" << op << "(const " << fDecName << "& val)" << " {" << endl;
tab(n+2, *dst); *dst << "for (int i = 0; i < " << fSize << "; i++) {" << endl;
tab(n+3, *dst); *dst << "f[i] = f[i] " << op << " val.f[i];" << endl;
tab(n+2, *dst); *dst << "}" << endl;
tab(n+2, *dst); *dst << "return *this;" << endl;
tab(n+1, *dst); *dst << "}" << endl;
}
void generatePolyScalar(ostream* dst, int n, const string& op)
{
tab(n+1, *dst); *dst << fDecName << " operator" << op << "(float val)" << " {" << endl;
tab(n+2, *dst); *dst << "for (int i = 0; i < " << fSize << "; i++) {" << endl;
tab(n+3, *dst); *dst << "f[i] = f[i] " << op << " val;" << endl;
tab(n+2, *dst); *dst << "}" << endl;
tab(n+2, *dst); *dst << "return *this;" << endl;
tab(n+1, *dst); *dst << "}" << endl;
}
virtual void generateDef(ostream* dst, int n)
{
if (!fGenerated) {
tab(n, *dst);
*dst << "struct " << fDecName;
*dst << " {" << endl;
tab(n+1, *dst);
fType->generateCPP(dst, n+1);
*dst << " f" << "[" << fSize << "];" << endl;
generatePoly(dst, n, "+");
generatePoly(dst, n, "-");
generatePoly(dst, n, "*");
generatePoly(dst, n, "/");
generatePolyScalar(dst, n, "+");
generatePolyScalar(dst, n, "-");
generatePolyScalar(dst, n, "*");
generatePolyScalar(dst, n, "/");
tab(n, *dst); *dst << "};" << endl;
fGenerated = true;
}
}
virtual void generateDefNoAlias(ostream* dst, int n)
{
if (!fGenerated) {
tab(n, *dst);
*dst << "typedef ";
fType->generateCPPNoAlias(dst, n);
*dst << " " << fDecName;
*dst << "[" << fSize << "];" << endl;
fGenerated = true;
}
}
virtual int getSize() { return fSize; }
virtual bool equal(TType* type)
{
TVectorType* vec_type = dynamic_cast<TVectorType*>(type);
return vec_type && fSize == vec_type->fSize && fType->equal(vec_type->fType);
}
virtual TType* deref()
{
return fType;
}
vector<int> dimensions() const
{
std::vector<int> ret;
ret.push_back(fSize);
TVectorType * vt = dynamic_cast<TVectorType*>(fType);
if (vt) {
vector<int> base = vt->dimensions();
ret.insert(ret.end(), base.begin(), base.end());
}
return ret;
}
};
#endif
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