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Make tablegen take an input filename to parse if one is specified, otherwise

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use stdin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7431 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-07-30 19:48:02 +00:00
parent 35c7444e52
commit 90523906fa
4 changed files with 42 additions and 12 deletions
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14
utils/TableGen/FileParser.y
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@@ -24,12 +24,24 @@ typedef std::pair<Record*, std::vector<Init*>*> SubClassRefTy;
static std::vector<std::pair<std::pair<std::string, std::vector<unsigned>*>,
Init*> > SetStack;
void ParseFile() {
void ParseFile(const std::string &Filename) {
FILE *F = stdin;
if (Filename != "-") {
F = fopen(Filename.c_str(), "r");
if (F == 0) {
std::cerr << "Could not open input file '" + Filename + "'!\n";
abort();
}
}
Filein = F;
Filelineno = 1;
Fileparse();
if (F != stdin)
fclose(F);
Filein = stdin;
}