Changes to build successfully with GCC 3.02
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1503 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-as/as.cpp b/tools/llvm-as/as.cpp
index ee664f1..0fbd1e6 100644
--- a/tools/llvm-as/as.cpp
+++ b/tools/llvm-as/as.cpp
@@ -16,6 +16,7 @@
#include "Support/CommandLine.h"
#include <fstream>
#include <string>
+#include <memory>
cl::String InputFilename ("", "Parse <arg> file, compile to bytecode", 0, "-");
cl::String OutputFilename("o", "Override output filename", cl::NoFlags, "");
@@ -28,46 +29,55 @@
ostream *Out = 0;
try {
// Parse the file now...
- Module *C = ParseAssemblyFile(InputFilename);
- if (C == 0) {
+ std::auto_ptr<Module> C(ParseAssemblyFile(InputFilename));
+ if (C.get() == 0) {
cerr << "assembly didn't read correctly.\n";
return 1;
}
if (DumpAsm)
- cerr << "Here's the assembly:\n" << C;
+ cerr << "Here's the assembly:\n" << C.get();
if (OutputFilename != "") { // Specified an output filename?
- Out = new ofstream(OutputFilename.c_str(),
- (Force ? 0 : ios::noreplace)|ios::out);
+ if (!Force && !std::ifstream(OutputFilename.c_str())) {
+ // If force is not specified, make sure not to overwrite a file!
+ cerr << "Error opening '" << OutputFilename << "': File exists!\n"
+ << "Use -f command line argument to force output\n";
+ return 1;
+ }
+ Out = new std::ofstream(OutputFilename.c_str());
} else {
if (InputFilename == "-") {
OutputFilename = "-";
Out = &cout;
} else {
- string IFN = InputFilename;
+ std::string IFN = InputFilename;
int Len = IFN.length();
if (IFN[Len-3] == '.' && IFN[Len-2] == 'l' && IFN[Len-1] == 'l') {
// Source ends in .ll
- OutputFilename = string(IFN.begin(), IFN.end()-3);
+ OutputFilename = std::string(IFN.begin(), IFN.end()-3);
} else {
OutputFilename = IFN; // Append a .bc to it
}
OutputFilename += ".bc";
- Out = new ofstream(OutputFilename.c_str(),
- (Force ? 0 : ios::noreplace)|ios::out);
- }
-
- if (!Out->good()) {
- cerr << "Error opening " << OutputFilename << "!\n";
- delete C;
- return 1;
+
+ if (!Force && !std::ifstream(OutputFilename.c_str())) {
+ // If force is not specified, make sure not to overwrite a file!
+ cerr << "Error opening '" << OutputFilename << "': File exists!\n"
+ << "Use -f command line argument to force output\n";
+ return 1;
+ }
+
+ Out = new std::ofstream(OutputFilename.c_str());
}
}
+
+ if (!Out->good()) {
+ cerr << "Error opening " << OutputFilename << "!\n";
+ return 1;
+ }
- WriteBytecodeToFile(C, *Out);
-
- delete C;
+ WriteBytecodeToFile(C.get(), *Out);
} catch (const ParseException &E) {
cerr << E.getMessage() << endl;
return 1;