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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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106
tools/llvm-dis/dis.cpp
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@@ -25,69 +25,67 @@
#include "llvm/Method.h"
#include "llvm/CFG.h"
// OutputMode - The different orderings to print basic blocks in...
enum OutputMode {
Default = 0, // Method Order (list order)
dfo, // Depth First ordering
rdfo, // Reverse Depth First ordering
po, // Post Order
rpo, // Reverse Post Order
};
cl::String InputFilename ("", "Load <arg> file, print as assembly", 0, "-");
cl::String OutputFilename("o", "Override output filename", 0, "");
cl::Flag Force ("f", "Overwrite output files", 0, false);
cl::EnumFlags<enum OutputMode> WriteMode(cl::NoFlags,
clEnumVal(Default, "Write bb's in bytecode order"),
clEnumVal(dfo , "Write bb's in depth first order"),
clEnumVal(rdfo , "Write bb's in reverse DFO"),
clEnumVal(po , "Write bb's in postorder"),
clEnumVal(rpo , "Write bb's in reverse postorder"), 0);
int main(int argc, char **argv) {
// WriteMode - The different orderings to print basic blocks in...
enum {
Default = 0, // Method Order (list order)
DepthFirst, // Depth First ordering
ReverseDepthFirst, // Reverse Depth First ordering
PostOrder, // Post Order
ReversePostOrder // Reverse Post Order
} WriteMode = Default;
ToolCommandLine Opts(argc, argv, false);
// We only support the options that the system parser does... if it left any
// then we don't know what to do.
//
if (argc > 1) {
for (int i = 1; i < argc; i++) {
if (string(argv[i]) == string("--help")) {
cerr << argv[0] << " usage:\n"
<< "\tx.bc - Parse <x.bc> file and output to x.ll\n"
<< "\tno .bc file - Parse stdin and write to stdout.\n"
<< "\t-dfo - Write basic blocks in depth first order.\n"
<< "\t-rdfo - Write basic blocks in reverse DFO.\n"
<< "\t-po - Write basic blocks in postorder.\n"
<< "\t-rpo - Write basic blocks in reverse postorder.\n"
<< "\t--help - Print this usage information\n\n";
return 1;
} else if (string(argv[i]) == string("-dfo")) {
WriteMode = DepthFirst;
} else if (string(argv[i]) == string("-rdfo")) {
WriteMode = ReverseDepthFirst;
} else if (string(argv[i]) == string("-po")) {
WriteMode = PostOrder;
} else if (string(argv[i]) == string("-rpo")) {
WriteMode = ReversePostOrder;
} else {
cerr << argv[0] << ": argument not recognized: '" << argv[i] << "'!\n";
}
}
}
cl::ParseCommandLineOptions(argc, argv, " llvm .bc -> .ll disassembler\n");
ostream *Out = &cout; // Default to printing to stdout...
Module *C = ParseBytecodeFile(Opts.getInputFilename());
Module *C = ParseBytecodeFile(InputFilename.getValue());
if (C == 0) {
cerr << "bytecode didn't read correctly.\n";
return 1;
}
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()
<< ": sending to stdout instead!\n";
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] == 'b' && IFN[Len-1] == 'c') {
// Source ends in .bc
OutputFilename.setValue(string(IFN.begin(), IFN.end()-3));
} else {
OutputFilename.setValue(IFN); // Append a .ll to it
}
OutputFilename.setValue(OutputFilename.getValue() + ".ll");
Out = new ofstream(OutputFilename.getValue().c_str(),
(Force.getValue() ? 0 : ios::noreplace)|ios::out);
}
}
if (!Out->good()) {
cerr << "Error opening " << OutputFilename.getValue()
<< ": sending to stdout instead!\n";
Out = &cout;
}
// All that dis does is write the assembly out to a file... which is exactly
// what the writer library is supposed to do...
//
if (WriteMode == Default) {
if (WriteMode.getValue() == Default) {
(*Out) << C; // Print out in list order
} else {
// TODO: This does not print anything other than the basic blocks in the
@@ -98,20 +96,20 @@ int main(int argc, char **argv) {
Method *M = *I;
(*Out) << "-------------- Method: " << M->getName() << " -------------\n";
switch (WriteMode) {
case DepthFirst: // Depth First ordering
switch (WriteMode.getValue()) {
case dfo: // Depth First ordering
copy(cfg::df_begin(M), cfg::df_end(M),
ostream_iterator<BasicBlock*>(*Out, "\n"));
break;
case ReverseDepthFirst: // Reverse Depth First ordering
case rdfo: // Reverse Depth First ordering
copy(cfg::df_begin(M, true), cfg::df_end(M),
ostream_iterator<BasicBlock*>(*Out, "\n"));
break;
case PostOrder: // Post Order
case po: // Post Order
copy(cfg::po_begin(M), cfg::po_end(M),
ostream_iterator<BasicBlock*>(*Out, "\n"));
break;
case ReversePostOrder: { // Reverse Post Order
case rpo: { // Reverse Post Order
cfg::ReversePostOrderTraversal RPOT(M);
copy(RPOT.begin(), RPOT.end(),
ostream_iterator<BasicBlock*>(*Out, "\n"));