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-rw-r--r--src/support/command-line.cpp30
-rw-r--r--src/support/file.cpp18
-rw-r--r--src/support/path.cpp30
-rw-r--r--src/support/path.h14
-rw-r--r--src/tools/wasm-opt.cpp7
-rw-r--r--src/wasm/wasm-io.cpp14
6 files changed, 98 insertions, 15 deletions
diff --git a/src/support/command-line.cpp b/src/support/command-line.cpp
index 23ded0346..2b1b0b10b 100644
--- a/src/support/command-line.cpp
+++ b/src/support/command-line.cpp
@@ -17,6 +17,15 @@
#include "support/command-line.h"
#include "config.h"
#include "support/debug.h"
+#include "support/path.h"
+
+#ifdef USE_WSTRING_PATHS
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
+#include "windows.h"
+#include "shellapi.h"
+#endif
using namespace wasm;
@@ -163,6 +172,23 @@ Options& Options::add_positional(const std::string& name,
}
void Options::parse(int argc, const char* argv[]) {
+
+// On Windows, get the wide char version of the command line flags, and convert
+// each one to std::string with UTF-8 manually. This means that all paths in
+// Binaryen are stored this way on all platforms right up until a library call
+// is made to open a file (at which point we use Path::to_path to convert back)
+// so that it works with the underlying Win32 APIs.
+// Only argList (and not argv) should be used below.
+#ifdef USE_WSTRING_PATHS
+ LPWSTR* argListW = CommandLineToArgvW(GetCommandLineW(), &argc);
+ std::vector<std::string> argList;
+ for (size_t i = 0, e = argc; i < e; ++i) {
+ argList.push_back(wasm::Path::wstring_to_string(argListW[i]));
+ }
+#else
+ const char** argList = argv;
+#endif
+
assert(argc > 0 && "expect at least program name as an argument");
size_t positionalsSeen = 0;
auto dashes = [](const std::string& s) {
@@ -174,7 +200,7 @@ void Options::parse(int argc, const char* argv[]) {
return s.size();
};
for (size_t i = 1, e = argc; i != e; ++i) {
- std::string currentOption = argv[i];
+ std::string currentOption = argList[i];
// "-" alone is a positional option
if (dashes(currentOption) == 0 || currentOption == "-") {
@@ -241,7 +267,7 @@ void Options::parse(int argc, const char* argv[]) {
<< currentOption << "'\n";
exit(EXIT_FAILURE);
}
- argument = argv[++i];
+ argument = argList[++i];
}
break;
case Arguments::Optional:
diff --git a/src/support/file.cpp b/src/support/file.cpp
index cfd656391..feb05e136 100644
--- a/src/support/file.cpp
+++ b/src/support/file.cpp
@@ -16,6 +16,7 @@
#include "support/file.h"
#include "support/debug.h"
+#include "support/path.h"
#include "support/utilities.h"
#include <cstdint>
@@ -57,7 +58,7 @@ T wasm::read_file(const std::string& filename, Flags::BinaryOption binary) {
if (binary == Flags::Binary) {
flags |= std::ifstream::binary;
}
- infile.open(filename, flags);
+ infile.open(wasm::Path::to_path(filename), flags);
if (!infile.is_open()) {
Fatal() << "Failed opening '" << filename << "'";
}
@@ -108,13 +109,15 @@ wasm::Output::Output(const std::string& filename, Flags::BinaryOption binary)
buffer = std::cout.rdbuf();
} else {
BYN_TRACE("Opening '" << filename << "'\n");
- auto flags = std::ofstream::out | std::ofstream::trunc;
+ std::ios_base::openmode flags =
+ std::ofstream::out | std::ofstream::trunc;
if (binary == Flags::Binary) {
flags |= std::ofstream::binary;
}
- outfile.open(filename, flags);
+ outfile.open(wasm::Path::to_path(filename), flags);
if (!outfile.is_open()) {
- Fatal() << "Failed opening '" << filename << "'";
+ Fatal() << "Failed opening output file '" << filename
+ << "': " << strerror(errno);
}
buffer = outfile.rdbuf();
}
@@ -122,12 +125,13 @@ wasm::Output::Output(const std::string& filename, Flags::BinaryOption binary)
}()) {}
void wasm::copy_file(std::string input, std::string output) {
- std::ifstream src(input, std::ios::binary);
- std::ofstream dst(output, std::ios::binary);
+ std::ifstream src(wasm::Path::to_path(input), std::ios::binary);
+ std::ofstream dst(wasm::Path::to_path(output), std::ios::binary);
dst << src.rdbuf();
}
size_t wasm::file_size(std::string filename) {
- std::ifstream infile(filename, std::ifstream::ate | std::ifstream::binary);
+ std::ifstream infile(wasm::Path::to_path(filename),
+ std::ifstream::ate | std::ifstream::binary);
return infile.tellg();
}
diff --git a/src/support/path.cpp b/src/support/path.cpp
index 1858fe1e9..284618f09 100644
--- a/src/support/path.cpp
+++ b/src/support/path.cpp
@@ -19,9 +19,39 @@
//
#include "support/path.h"
+#ifdef USE_WSTRING_PATHS
+#include "windows.h"
+#endif
namespace wasm::Path {
+#ifdef USE_WSTRING_PATHS
+PathString to_path(const std::string& s) { return string_to_wstring(s); }
+
+std::wstring string_to_wstring(const std::string& s) {
+ const char* inptr = s.data();
+ size_t inlen = s.size();
+ size_t outlen = MultiByteToWideChar(CP_UTF8, 0, inptr, inlen, NULL, 0);
+ std::wstring outstr(outlen, 0);
+ const LPWSTR outptr = outstr.data();
+ MultiByteToWideChar(CP_UTF8, 0, inptr, inlen, outptr, outlen);
+ return outstr;
+}
+
+std::string wstring_to_string(const std::wstring& s) {
+ const wchar_t* inptr = s.data();
+ size_t inlen = s.size();
+ size_t outlen =
+ WideCharToMultiByte(CP_UTF8, 0, inptr, inlen, NULL, 0, NULL, NULL);
+ std::string outstr(outlen, 0);
+ const LPSTR outptr = outstr.data();
+ WideCharToMultiByte(CP_UTF8, 0, inptr, inlen, outptr, outlen, NULL, NULL);
+ return outstr;
+}
+#else
+PathString to_path(const std::string& s) { return s; }
+#endif
+
char getPathSeparator() {
// TODO: use c++17's path separator
// http://en.cppreference.com/w/cpp/experimental/fs/path
diff --git a/src/support/path.h b/src/support/path.h
index 78e85ca5c..8383bc53e 100644
--- a/src/support/path.h
+++ b/src/support/path.h
@@ -24,8 +24,22 @@
#include <cstdlib>
#include <string>
+#if defined(_WIN32) && !defined(__MINGW32__)
+#define USE_WSTRING_PATHS 1
+#endif
+
namespace wasm::Path {
+#ifdef USE_WSTRING_PATHS
+using PathString = std::wstring;
+std::wstring string_to_wstring(const std::string& s);
+std::string wstring_to_string(const std::wstring& s);
+#else
+using PathString = std::string;
+#endif
+
+PathString to_path(const std::string& s);
+
char getPathSeparator();
std::string getDirName(const std::string& path);
std::string getBaseName(const std::string& path);
diff --git a/src/tools/wasm-opt.cpp b/src/tools/wasm-opt.cpp
index 0d279dc08..5bbca1ea6 100644
--- a/src/tools/wasm-opt.cpp
+++ b/src/tools/wasm-opt.cpp
@@ -31,6 +31,7 @@
#include "support/command-line.h"
#include "support/debug.h"
#include "support/file.h"
+#include "support/path.h"
#include "wasm-binary.h"
#include "wasm-interpreter.h"
#include "wasm-io.h"
@@ -330,19 +331,19 @@ int main(int argc, const char* argv[]) {
if (emitJSWrapper.size() > 0) {
std::ofstream outfile;
- outfile.open(emitJSWrapper, std::ofstream::out);
+ outfile.open(wasm::Path::to_path(emitJSWrapper), std::ofstream::out);
outfile << generateJSWrapper(wasm);
outfile.close();
}
if (emitSpecWrapper.size() > 0) {
std::ofstream outfile;
- outfile.open(emitSpecWrapper, std::ofstream::out);
+ outfile.open(wasm::Path::to_path(emitSpecWrapper), std::ofstream::out);
outfile << generateSpecWrapper(wasm);
outfile.close();
}
if (emitWasm2CWrapper.size() > 0) {
std::ofstream outfile;
- outfile.open(emitWasm2CWrapper, std::ofstream::out);
+ outfile.open(wasm::Path::to_path(emitWasm2CWrapper), std::ofstream::out);
outfile << generateWasm2CWrapper(wasm);
outfile.close();
}
diff --git a/src/wasm/wasm-io.cpp b/src/wasm/wasm-io.cpp
index 65e6a982a..a340b4c23 100644
--- a/src/wasm/wasm-io.cpp
+++ b/src/wasm/wasm-io.cpp
@@ -26,6 +26,7 @@
#include "wasm-io.h"
#include "support/debug.h"
+#include "support/path.h"
#include "wasm-binary.h"
#include "wasm-s-parser.h"
#include "wat-parser.h"
@@ -69,7 +70,10 @@ void ModuleReader::readBinaryData(std::vector<char>& input,
parser.setSkipFunctionBodies(skipFunctionBodies);
if (sourceMapFilename.size()) {
sourceMapStream = std::make_unique<std::ifstream>();
- sourceMapStream->open(sourceMapFilename);
+ sourceMapStream->open(wasm::Path::to_path(sourceMapFilename));
+ if (!sourceMapStream->is_open()) {
+ Fatal() << "Failed opening '" << sourceMapFilename << "'";
+ }
parser.setDebugLocations(sourceMapStream.get());
}
parser.read();
@@ -89,7 +93,7 @@ void ModuleReader::readBinary(std::string filename,
bool ModuleReader::isBinaryFile(std::string filename) {
std::ifstream infile;
std::ios_base::openmode flags = std::ifstream::in | std::ifstream::binary;
- infile.open(filename, flags);
+ infile.open(wasm::Path::to_path(filename), flags);
char buffer[4] = {1, 2, 3, 4};
infile.read(buffer, 4);
infile.close();
@@ -157,7 +161,11 @@ void ModuleWriter::writeBinary(Module& wasm, Output& output) {
std::unique_ptr<std::ofstream> sourceMapStream;
if (sourceMapFilename.size()) {
sourceMapStream = std::make_unique<std::ofstream>();
- sourceMapStream->open(sourceMapFilename);
+ sourceMapStream->open(wasm::Path::to_path(sourceMapFilename));
+ if (!sourceMapStream->is_open()) {
+ Fatal() << "Failed opening sourcemap output file '" << sourceMapFilename
+ << "'";
+ }
writer.setSourceMap(sourceMapStream.get(), sourceMapUrl);
}
if (symbolMap.size() > 0) {
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-09 10:34:57 +0000