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Update error handling for os2 on windows

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This commit is contained in:
gingerBill
2022-05-12 12:54:27 +01:00
parent ccb38c3dc6
commit bb4f108487
15 changed files with 310 additions and 191 deletions
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core/os/os2/errors.odin
+49 -30
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@@ -1,9 +1,10 @@
package os2
import "core:io"
import "core:runtime"
General_Error :: enum u32 {
Invalid_Argument,
None,
Permission_Denied,
Exist,
@@ -18,13 +19,12 @@ General_Error :: enum u32 {
Unsupported,
}
Platform_Error :: struct {
err: i32,
}
Platform_Error :: enum i32 {None=0}
Error :: union {
Error :: union #shared_nil {
General_Error,
io.Error,
runtime.Allocator_Error,
Platform_Error,
}
#assert(size_of(Error) == size_of(u64))
@@ -33,36 +33,55 @@ Error :: union {
is_platform_error :: proc(ferr: Error) -> (err: i32, ok: bool) {
v := ferr.(Platform_Error) or_else {}
return v.err, v.err != 0
return i32(v), i32(v) != 0
}
error_string :: proc(ferr: Error) -> string {
switch ferr {
case nil: return ""
case .Invalid_Argument: return "invalid argument"
case .Permission_Denied: return "permission denied"
case .Exist: return "file already exists"
case .Not_Exist: return "file does not exist"
case .Closed: return "file already closed"
case .Timeout: return "i/o timeout"
case .EOF: return "eof"
case .Unexpected_EOF: return "unexpected eof"
case .Short_Write: return "short write"
case .Invalid_Write: return "invalid write result"
case .Short_Buffer: return "short buffer"
case .No_Progress: return "multiple read calls return no data or error"
case .Invalid_Whence: return "invalid whence"
case .Invalid_Offset: return "invalid offset"
case .Invalid_Unread: return "invalid unread"
case .Negative_Read: return "negative read"
case .Negative_Write: return "negative write"
case .Negative_Count: return "negative count"
case .Buffer_Full: return "buffer full"
if ferr == nil {
return ""
}
if errno, ok := is_platform_error(ferr); ok {
return _error_string(errno)
switch e in ferr {
case General_Error:
switch e {
case .None: return ""
case .Permission_Denied: return "permission denied"
case .Exist: return "file already exists"
case .Not_Exist: return "file does not exist"
case .Closed: return "file already closed"
case .Timeout: return "i/o timeout"
case .Invalid_File: return "invalid file"
case .Invalid_Path: return "invalid path"
case .Unsupported: return "unsupported"
}
case io.Error:
switch e {
case .None: return ""
case .EOF: return "eof"
case .Unexpected_EOF: return "unexpected eof"
case .Short_Write: return "short write"
case .Invalid_Write: return "invalid write result"
case .Short_Buffer: return "short buffer"
case .No_Progress: return "multiple read calls return no data or error"
case .Invalid_Whence: return "invalid whence"
case .Invalid_Offset: return "invalid offset"
case .Invalid_Unread: return "invalid unread"
case .Negative_Read: return "negative read"
case .Negative_Write: return "negative write"
case .Negative_Count: return "negative count"
case .Buffer_Full: return "buffer full"
case .Unknown, .Empty: //
}
case runtime.Allocator_Error:
switch e {
case .None: return ""
case .Out_Of_Memory: return "out of memory"
case .Invalid_Pointer: return "invalid allocator pointer"
case .Invalid_Argument: return "invalid allocator argument"
case .Mode_Not_Implemented: return "allocator mode not implemented"
}
case Platform_Error:
return _error_string(i32(e))
}
return "unknown error"