ea03ccb47d
git-svn-id: http://www.cdkersey.com/harp/harptool@117 0246edb2-e076-4747-b392-db732a341fa2
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
/*******************************************************************************
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HARPtools by Chad D. Kersey, Summer 2011
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*******************************************************************************/
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#ifndef __ARCHDEF_H
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#define __ARCHDEF_H
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#include <string>
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#include <sstream>
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#include "types.h"
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namespace Harp {
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class ArchDef {
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public:
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struct Undefined {};
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ArchDef(const std::string &s) {
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std::istringstream iss(s.c_str());
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iss >> wordSize;
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if (!iss) { extent = EXT_NULL; return; }
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iss >> encChar;
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if (!iss) { extent = EXT_WORDSIZE; return; }
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iss >> nRegs;
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if (!iss) { extent = EXT_ENC; return; }
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char sep;
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iss >> sep >> nPRegs;
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if (!iss || sep != '/') { extent = EXT_REGS; return; }
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iss >> sep >> nThds;
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if (!iss || sep != '/') { extent = EXT_PREGS; return; }
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extent = EXT_THDS;
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}
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operator std::string () const {
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if (extent == EXT_NULL) return "";
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std::ostringstream oss;
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if (extent >= EXT_WORDSIZE) oss << wordSize;
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if (extent >= EXT_ENC ) oss << encChar;
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if (extent >= EXT_REGS ) oss << nRegs;
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if (extent >= EXT_PREGS ) oss << '/' << nPRegs;
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if (extent >= EXT_THDS ) oss << '/' << nThds;
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return oss.str();
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}
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bool operator==(const ArchDef &r) const {
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return (extent == r.extent) && (wordSize == r.wordSize) &&
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(encChar == r.encChar) && (nRegs == r.nRegs) &&
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(nPRegs == r.nPRegs) && (nThds == r.nThds);
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}
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bool operator!=(const ArchDef &r) const { return !(*this == r); }
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Size getWordSize() const {
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if (extent < EXT_WORDSIZE) throw Undefined(); else return wordSize;
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}
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char getEncChar() const {
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if (extent<EXT_ENC||encChar=='x') throw Undefined(); else return encChar;
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}
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RegNum getNRegs() const {
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if (extent < EXT_REGS) throw Undefined(); else return nRegs;
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}
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RegNum getNPRegs() const {
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if (extent < EXT_PREGS) throw Undefined(); else return nPRegs;
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}
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ThdNum getNThds() const {
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if (extent < EXT_THDS) throw Undefined(); else return nThds;
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}
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private:
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enum {
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EXT_NULL, EXT_WORDSIZE, EXT_ENC, EXT_REGS, EXT_PREGS, EXT_THDS
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} extent;
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Size wordSize;
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ThdNum nThds;
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RegNum nRegs, nPRegs;
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char encChar;
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};
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};
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#endif
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