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Fix handling of Windows (WTF-16) and WASI (UTF-8) paths

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Windows paths now use WTF-16 <-> WTF-8 conversion everywhere, which is lossless. Previously, conversion of ill-formed UTF-16 paths would either fail or invoke illegal behavior.

WASI paths must be valid UTF-8, and the relevant function calls have been updated to handle the possibility of failure due to paths not being encoded/encodable as valid UTF-8.

Closes #18694
Closes #1774
Closes #2565
This commit is contained in:
Ryan Liptak
2024-02-13 16:56:50 -08:00
parent f6b6b8a4ae
commit 68b87918df
20 changed files with 1000 additions and 1109 deletions
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src/Module.zig
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@@ -2662,6 +2662,7 @@ pub fn astGenFile(mod: *Module, file: *File) !void {
}) catch |err| switch (err) {
error.NotDir => unreachable, // no dir components
error.InvalidUtf8 => unreachable, // it's a hex encoded name
error.InvalidWtf8 => unreachable, // it's a hex encoded name
error.BadPathName => unreachable, // it's a hex encoded name
error.NameTooLong => unreachable, // it's a fixed size name
error.PipeBusy => unreachable, // it's not a pipe