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@@ -216,24 +216,16 @@ read_slice_from_stream :: #force_inline proc(z: ^Context_Stream_Input, size: int
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// TODO: REMOVE ALL USE OF context.temp_allocator here
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// the is literally no need for it
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b := make([]u8, size, context.temp_allocator)
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- _, e := io.read(z.input, b[:])
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- if e == .None {
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- return b, .None
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- }
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-
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- return []u8{}, e
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+ _ = io.read(z.input, b[:]) or_return
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+ return b, nil
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}
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read_slice :: proc{read_slice_from_memory, read_slice_from_stream}
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@(optimization_mode="speed")
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read_data :: #force_inline proc(z: ^$C, $T: typeid) -> (res: T, err: io.Error) {
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- b, e := read_slice(z, size_of(T))
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- if e == .None {
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- return (^T)(&b[0])^, .None
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- }
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-
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- return T{}, e
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+ b := read_slice(z, size_of(T)) or_return
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+ return (^T)(&b[0])^, nil
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}
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@(optimization_mode="speed")
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@@ -250,12 +242,8 @@ read_u8_from_memory :: #force_inline proc(z: ^Context_Memory_Input) -> (res: u8,
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@(optimization_mode="speed")
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read_u8_from_stream :: #force_inline proc(z: ^Context_Stream_Input) -> (res: u8, err: io.Error) {
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- b, e := read_slice_from_stream(z, 1)
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- if e == .None {
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- return b[0], .None
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- }
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-
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- return 0, e
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+ b := read_slice_from_stream(z, 1) or_return
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+ return b[0], nil
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}
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read_u8 :: proc{read_u8_from_memory, read_u8_from_stream}
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@@ -320,12 +308,9 @@ peek_data_from_stream :: #force_inline proc(z: ^Context_Stream_Input, $T: typeid
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size :: size_of(T)
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// Get current position to read from.
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- curr, e1 := z.input->impl_seek(0, .Current)
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- if e1 != .None {
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- return T{}, e1
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- }
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- r, e2 := io.to_reader_at(z.input)
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- if !e2 {
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+ curr := z.input->impl_seek(0, .Current) or_return
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+ r, e1 := io.to_reader_at(z.input)
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+ if !e1 {
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return T{}, .Empty
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}
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when size <= 128 {
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@@ -333,8 +318,8 @@ peek_data_from_stream :: #force_inline proc(z: ^Context_Stream_Input, $T: typeid
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} else {
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b := make([]u8, size, context.temp_allocator)
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}
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- _, e3 := io.read_at(r, b[:], curr)
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- if e3 != .None {
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+ _, e2 := io.read_at(r, b[:], curr)
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+ if e2 != .None {
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return T{}, .Empty
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}
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@@ -347,16 +332,9 @@ peek_data_at_offset_from_stream :: #force_inline proc(z: ^Context_Stream_Input,
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size :: size_of(T)
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// Get current position to return to.
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- cur_pos, e1 := z.input->impl_seek(0, .Current)
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- if e1 != .None {
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- return T{}, e1
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- }
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-
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+ cur_pos := z.input->impl_seek(0, .Current) or_return
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// Seek to offset.
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- pos, e2 := z.input->impl_seek(offset, .Start)
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- if e2 != .None {
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- return T{}, e2
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- }
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+ pos := z.input->impl_seek(offset, .Start) or_return
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r, e3 := io.to_reader_at(z.input)
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if !e3 {
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@@ -465,7 +443,7 @@ peek_bits_lsb_from_memory :: #force_inline proc(z: ^Context_Memory_Input, width:
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if z.num_bits < u64(width) {
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refill_lsb(z)
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}
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- return u32(z.code_buffer & ~(~u64(0) << width))
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+ return u32(z.code_buffer &~ (~u64(0) << width))
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}
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@(optimization_mode="speed")
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@@ -473,7 +451,7 @@ peek_bits_lsb_from_stream :: #force_inline proc(z: ^Context_Stream_Input, width:
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if z.num_bits < u64(width) {
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refill_lsb(z)
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}
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- return u32(z.code_buffer & ~(~u64(0) << width))
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+ return u32(z.code_buffer &~ (~u64(0) << width))
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}
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peek_bits_lsb :: proc{peek_bits_lsb_from_memory, peek_bits_lsb_from_stream}
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@@ -481,13 +459,13 @@ peek_bits_lsb :: proc{peek_bits_lsb_from_memory, peek_bits_lsb_from_stream}
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@(optimization_mode="speed")
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peek_bits_no_refill_lsb_from_memory :: #force_inline proc(z: ^Context_Memory_Input, width: u8) -> u32 {
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assert(z.num_bits >= u64(width))
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- return u32(z.code_buffer & ~(~u64(0) << width))
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+ return u32(z.code_buffer &~ (~u64(0) << width))
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}
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@(optimization_mode="speed")
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peek_bits_no_refill_lsb_from_stream :: #force_inline proc(z: ^Context_Stream_Input, width: u8) -> u32 {
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assert(z.num_bits >= u64(width))
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- return u32(z.code_buffer & ~(~u64(0) << width))
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+ return u32(z.code_buffer &~ (~u64(0) << width))
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}
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peek_bits_no_refill_lsb :: proc{peek_bits_no_refill_lsb_from_memory, peek_bits_no_refill_lsb_from_stream}
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