blob: 2501c636c48e5830b14df1940e6ffb008d0faae7 (
plain)
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* Copyright 2018 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
// Command line helpers.
//
#include "support/path.h"
namespace wasm {
namespace Path {
char getPathSeparator() {
// TODO: use c++17's path separator
// http://en.cppreference.com/w/cpp/experimental/fs/path
#if defined(WIN32) || defined(_WIN32)
return '\\';
#else
return '/';
#endif
}
std::string getDirName(const std::string& path) {
auto sep = path.rfind(getPathSeparator());
if (sep == std::string::npos) {
return "";
}
return path.substr(0, sep);
}
std::string getBaseName(const std::string& path) {
auto sep = path.rfind(getPathSeparator());
if (sep == std::string::npos) {
return path;
}
return path.substr(sep + 1);
}
std::string getBinaryenRoot() {
auto* envVar = getenv("BINARYEN_ROOT");
if (envVar) {
return envVar;
}
return ".";
}
static std::string binDir;
std::string getBinaryenBinDir() {
if (binDir.empty()) {
return getBinaryenRoot() + getPathSeparator() + "bin" + getPathSeparator();
} else {
return binDir;
}
}
void setBinaryenBinDir(const std::string& dir) {
binDir = dir;
if (binDir.back() != getPathSeparator()) {
binDir += getPathSeparator();
}
}
// Gets the path to a binaryen binary tool, like wasm-opt
std::string getBinaryenBinaryTool(const std::string& name) {
return getBinaryenBinDir() + name;
}
} // namespace Path
} // namespace wasm
|