refactor: apply project style guidelines
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+20
-8
@@ -19,15 +19,18 @@ CloseError :: enum {
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close_failed
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}
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#! open a caller-owned handle; release it with close.
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open proc(io Io, path [;0]u8, mode FileMode) File ! OpenError {
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handle Handle :: try io.vtable.open(io.context, path, mode)
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return File{ io = io, handle = handle }
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}
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#! close the owned handle, invalidating its borrowed readers and writers.
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close proc(file File) void ! CloseError {
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try file.io.vtable.close(file.io.context, file.handle)
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}
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#! borrow the file handle; the reader must not outlive the open file.
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reader proc(file File) Reader {
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return Reader {
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context = file.io.context,
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@@ -36,6 +39,7 @@ reader proc(file File) Reader {
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}
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}
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#! borrow the file handle; the writer must not outlive the open file.
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writer proc(file File) Writer {
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return Writer {
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context = file.io.context,
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@@ -44,7 +48,8 @@ writer proc(file File) Writer {
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}
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}
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@hide system_read proc(_ ?@mut anyopaque, handle Handle, buffer []mut u8) usize ! ReadError {
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@hide:file
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system_read proc(_ ?@mut anyopaque, handle Handle, buffer []mut u8) usize ! ReadError {
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request := buffer.len
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maximum usize :: usize(maxval!(c_long))
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if (request > maximum) request = maximum
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@@ -60,7 +65,8 @@ writer proc(file File) Writer {
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}
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}
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@hide system_write proc(_ ?@mut anyopaque, handle Handle, bytes []u8) usize ! WriteError {
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@hide:file
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system_write proc(_ ?@mut anyopaque, handle Handle, bytes []u8) usize ! WriteError {
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request := bytes.len
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maximum usize :: usize(maxval!(c_long))
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if (request > maximum) request = maximum
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@@ -76,7 +82,8 @@ writer proc(file File) Writer {
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}
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}
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@hide system_open proc(_ ?@mut anyopaque, path [;0]u8, mode FileMode) Handle ! OpenError {
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@hide:file
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system_open proc(_ ?@mut anyopaque, path [;0]u8, mode FileMode) Handle ! OpenError {
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flags := c.O_RDONLY
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match mode {
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.read_only: flags = c.O_RDONLY
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@@ -90,23 +97,28 @@ writer proc(file File) Writer {
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}
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}
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@hide system_close proc(_ ?@mut anyopaque, handle Handle) void ! CloseError {
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@hide:file
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system_close proc(_ ?@mut anyopaque, handle Handle) void ! CloseError {
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if (c.close(handle.file_desc) != 0) return .close_failed
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}
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@hide system_stdin proc(_ ?@mut anyopaque) Handle {
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@hide:file
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system_stdin proc(_ ?@mut anyopaque) Handle {
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return Handle{ file_desc = c_int(Stream.stdin) }
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}
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@hide system_stdout proc(_ ?@mut anyopaque) Handle {
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@hide:file
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system_stdout proc(_ ?@mut anyopaque) Handle {
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return Handle{ file_desc = c_int(Stream.stdout) }
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}
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@hide system_stderr proc(_ ?@mut anyopaque) Handle {
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@hide:file
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system_stderr proc(_ ?@mut anyopaque) Handle {
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return Handle{ file_desc = c_int(Stream.stderr) }
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}
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@hide system_vtable IoVTable :: IoVTable {
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@hide:file
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system_vtable IoVTable :: IoVTable {
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read = system_read,
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write = system_write,
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open = system_open,
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