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Large scale changes to implement new command line argument facility

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2001-07-23 02:35:57 +00:00
parent a28504313d
commit 8f367bd3c0
32 changed files with 669 additions and 1364 deletions
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65
tools/llvm-as/llvm-as.cpp
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@ -18,54 +18,49 @@
#include "llvm/Bytecode/Writer.h"
#include "llvm/Tools/CommandLine.h"
cl::String InputFilename ("", "Parse <arg> file, compile to bytecode", 0, "-");
cl::String OutputFilename("o", "Override output filename", 0, "");
cl::Flag Force ("f", "Overwrite output files", 0, false);
cl::Flag DumpAsm ("d", "Print assembly as parsed", cl::Hidden, false);
int main(int argc, char **argv) {
ToolCommandLine Opts(argc, argv);
bool DumpAsm = false;
cl::ParseCommandLineOptions(argc, argv, " llvm .ll -> .bc assembler\n");
for (int i = 1; i < argc; i++) {
if (string(argv[i]) == string("-d")) {
argv[i] = 0; DumpAsm = true;
}
}
bool PrintMessage = false;
for (int i = 1; i < argc; i++) {
if (argv[i] == 0) continue;
if (string(argv[i]) == string("--help")) {
PrintMessage = true;
} else {
cerr << argv[0] << ": argument not recognized: '" << argv[i] << "'!\n";
}
}
if (PrintMessage) {
cerr << argv[0] << " usage:\n"
<< " " << argv[0] << " --help - Print this usage information\n"
<< " " << argv[0] << " x.ll - Parse <x.ll> file and output "
<< "bytecodes to x.bc\n"
<< " " << argv[0] << " - Parse stdin and write to stdout.\n";
return 1;
}
ostream *Out = &cout; // Default to output to stdout...
ostream *Out = 0;
try {
// Parse the file now...
Module *C = ParseAssemblyFile(Opts);
Module *C = ParseAssemblyFile(InputFilename.getValue());
if (C == 0) {
cerr << "assembly didn't read correctly.\n";
return 1;
}
if (DumpAsm)
if (DumpAsm.getValue())
cerr << "Here's the assembly:\n" << C;
if (OutputFilename.getValue() != "") { // Specified an output filename?
Out = new ofstream(OutputFilename.getValue().c_str(),
(Force.getValue() ? 0 : ios::noreplace)|ios::out);
} else {
if (InputFilename.getValue() == "-") {
OutputFilename.setValue("-");
Out = &cout;
} else {
string IFN = InputFilename.getValue();
int Len = IFN.length();
if (IFN[Len-3] == '.' && IFN[Len-2] == 'l' && IFN[Len-1] == 'l') {
// Source ends in .ll
OutputFilename.setValue(string(IFN.begin(), IFN.end()-3));
} else {
OutputFilename.setValue(IFN); // Append a .bc to it
}
OutputFilename.setValue(OutputFilename.getValue() + ".bc");
Out = new ofstream(OutputFilename.getValue().c_str(),
(Force.getValue() ? 0 : ios::noreplace)|ios::out);
}
if (Opts.getOutputFilename() != "-") {
Out = new ofstream(Opts.getOutputFilename().c_str(),
(Opts.getForce() ? 0 : ios::noreplace)|ios::out);
if (!Out->good()) {
cerr << "Error opening " << Opts.getOutputFilename() << "!\n";
cerr << "Error opening " << OutputFilename.getValue() << "!\n";
delete C;
return 1;
}