void parse(Xbyak::CodeGenerator &gen, FILE *input, int membuf[MEMSIZE]) {
gen.push(gen.ebx);
Xbyak::Reg32 memreg = gen.ebx;
Xbyak::Reg32 eax = gen.eax;
Xbyak::Address mem = gen.dword[memreg];
gen.mov(memreg, (int) membuf);
std::stack<int> labelStack;
int labelNum = 0;
int ch;
while((ch=getc(input)) != EOF) {
switch (ch) {
case '+':
gen.inc(mem);
break;
case '-':
gen.dec(mem);
break;
case '>':
gen.add(memreg, 4);
break;
case '<':
gen.add(memreg, -4);
break;
case ',':
gen.call((void*) getchar);
gen.mov(mem, gen.eax);
break;
case '.':
gen.push(mem);
gen.call((void*) putchar);
gen.pop(gen.eax);
break;
case '[':
gen.L(toLabel('L', labelNum));
gen.mov(gen.eax, mem);
gen.test(gen.eax, gen.eax);
gen.jz(toLabel('R', labelNum), Xbyak::CodeGenerator::T_NEAR);
labelStack.push(labelNum);
++labelNum;
break;
case ']':
int beginNum = labelStack.top();
labelStack.pop();
gen.jmp(toLabel('L', beginNum), Xbyak::CodeGenerator::T_NEAR);
gen.L(toLabel('R', beginNum));
break;
}
}
gen.pop(gen.ebx);
gen.ret();
}
bool executeIfOpenFOAMVersionBiggerEqualFunctionObject::condition()
{
#define TOSTRING(x) string(#x)
label foamVersionPatch=-1;
if(TOSTRING(FOAM_VERSION4SWAK_PATCH)!="x") {
foamVersionPatch=toLabel(TOSTRING(FOAM_VERSION4SWAK_PATCH));
}
if(majorVersion_>FOAM_VERSION4SWAK_MAJOR) {
return false;
} else if(majorVersion_<FOAM_VERSION4SWAK_MAJOR) {
return true;
} else if(minorVersion_>FOAM_VERSION4SWAK_MINOR) {
return false;
} else if(minorVersion_<FOAM_VERSION4SWAK_MINOR) {
return true;
} else if(foamVersionPatch<0) {
return true;
} else {
return patchVersion_<=foamVersionPatch;
}
#undef TOSTRING
}
void executeIfOpenFOAMVersionBiggerEqualFunctionObject::readData(const dictionary& dict)
{
majorVersion_=toLabel(string(dict.lookup("majorVersion")));
minorVersion_=toLabel(string(dict.lookup("minorVersion")));
patchVersion_=toLabel(dict.lookupOrDefault<string>("patchVersion",""));
}