1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
//===-- exe_path.cpp ------------------------------------------------------===//
//
// LDC – the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
#include "exe_path.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
using std::string;
namespace path = llvm::sys::path;
namespace {
string exePath;
}
void exe_path::initialize(const char *arg0) {
assert(exePath.empty());
// Some platforms can't implement LLVM's getMainExecutable
// without being given the address of a function in the main executable.
// Thus getMainExecutable needs the address of a function;
// any function address in the main executable will do.
exePath = llvm::sys::fs::getMainExecutable(
arg0, reinterpret_cast<void *>(&exe_path::initialize));
}
const string &exe_path::getExePath() {
assert(!exePath.empty());
return exePath;
}
string exe_path::getBinDir() {
assert(!exePath.empty());
return string(path::parent_path(exePath));
}
string exe_path::getBaseDir() {
string binDir = getBinDir();
assert(!binDir.empty());
return string(path::parent_path(binDir));
}
string exe_path::getLibDir() {
llvm::SmallString<128> r(getBaseDir());
path::append(r, "lib" LDC_LIBDIR_SUFFIX);
return {r.data(), r.size()};
}
string exe_path::prependBinDir(const llvm::Twine &suffix) {
llvm::SmallString<128> r(getBinDir());
path::append(r, suffix);
return {r.data(), r.size()};
}
string exe_path::prependLibDir(const llvm::Twine &suffix) {
llvm::SmallString<128> r(getLibDir());
path::append(r, suffix);
return {r.data(), r.size()};
}
|
