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implement conversions from arithmetic types to Strings. Fix integer promotions to

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be sign extend instead of zext since they are signed types.


Swift SVN r1554
This commit is contained in:
Chris Lattner
2012-04-23 00:24:28 +00:00
parent cd8f3e257d
commit 70028d1ab8
1 changed files with 36 additions and 0 deletions
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36
tools/swift/Immediate.cpp
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@@ -346,6 +346,8 @@ extern "C" void _TSs9printCharFT9characterNSs5Int32_T_(int32_t l) {
printf("%c", (char)l);
}
// String implementation.
// func [infix_left=190] + (lhs : String,
// rhs : String) -> String
extern "C" char* _TSsop1pFT3lhsNSs6String3rhsS__S_(char* lhs, char* rhs) {
@@ -357,6 +359,40 @@ extern "C" char* _TSsop1pFT3lhsNSs6String3rhsS__S_(char* lhs, char* rhs) {
return s;
}
// static func String(v : Int128) -> String
extern "C" char *_TNSs6String6StringFT1vNSs6Int128_S_(__int128_t X) {
char TmpBuffer[128];
char *P = TmpBuffer+128;
*--P = 0; // Null terminate buffer.
bool WasNeg = X < 0;
__uint128_t Y = WasNeg ? -X : X;
if (Y == 0) *--P = 0; // Special case.
while (Y) {
*--P = '0' + char(Y % 10);
Y /= 10;
}
if (WasNeg) *--P = '-';
return strdup(P);
}
// static func String(v : Double) -> String
extern "C" char *_TNSs6String6StringFT1vNSs6Double_S_(double X) {
// TODO: optimize with snprintf etc if anyone cares.
llvm::SmallString<128> Result;
{
llvm::raw_svector_ostream Str(Result);
Str << X;
}
return strdup(Result.c_str());
}
extern "C" bool _TNSs4Bool13getLogicValuefRS_FT_i1(bool* b) {
return *b;
}