diff options
Diffstat (limited to 'utils/TableGen/Record.cpp')
-rw-r--r-- | utils/TableGen/Record.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp index 45804b9..47cab7b 100644 --- a/utils/TableGen/Record.cpp +++ b/utils/TableGen/Record.cpp @@ -16,6 +16,8 @@ #include "llvm/Support/Streams.h" #include "llvm/ADT/StringExtras.h" #include <ios> +#include <sys/types.h> +#include <regex.h> using namespace llvm; @@ -671,6 +673,36 @@ Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) { } break; } + case REGMATCH: { + StringInit *LHSs = dynamic_cast<StringInit*>(LHS); + StringInit *RHSs = dynamic_cast<StringInit*>(RHS); + if (LHSs && RHSs) { + regex_t compiled; + int err = regcomp (&compiled, LHSs->getValue().c_str(), REG_EXTENDED); + if (err != 0) { + size_t length = regerror (err, &compiled, NULL, 0); + char *buffer = new char[length]; + (void) regerror (err, &compiled, buffer, length); + std::string errmsg = buffer; + delete[] buffer; + regfree(&compiled); + throw errmsg; + } + int result = regexec(&compiled, RHSs->getValue().c_str(), 0, NULL, 0); + if (result == REG_ESPACE) { + size_t length = regerror (err, &compiled, NULL, 0); + char *buffer = new char[length]; + (void) regerror (err, &compiled, buffer, length); + std::string errmsg = buffer; + delete[] buffer; + regfree(&compiled); + throw errmsg; + } + regfree(&compiled); + return new IntInit(result == 0); + } + break; + } case SHL: case SRA: case SRL: { @@ -710,6 +742,7 @@ std::string BinOpInit::getAsString() const { case SRA: Result = "!sra"; break; case SRL: Result = "!srl"; break; case STRCONCAT: Result = "!strconcat"; break; + case REGMATCH: Result = "!regmatch"; break; case NAMECONCAT: Result = "!nameconcat<" + getType()->getAsString() + ">"; break; } |