6809

1 files changed, 0 insertions, 285 deletions

diff --git a/311parse-decimal-int.subx b/311parse-decimal-int.subx
deleted file mode 100644
index fe08b932..00000000
--- a/311parse-decimal-int.subx
+++ /dev/null
@@ -1,285 +0,0 @@
-# Helpers for parsing decimal ints.
-
-parse-decimal-int-from-slice:  # in: (addr slice) -> out/eax: int
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    51/push-ecx
-    # ecx = in
-    8b/-> *(ebp+8) 1/r32/ecx
-    #
-    (parse-decimal-int-helper *ecx *(ecx+4))  # => eax
-$parse-decimal-int-from-slice:end:
-    # . restore registers
-    59/pop-to-ecx
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-parse-decimal-int:  # in: (addr array byte) -> result/eax: int
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    51/push-ecx
-    52/push-edx
-    # eax = in
-    8b/-> *(ebp+8) 0/r32/eax
-    # var start/ecx: (addr byte) = &in->data
-    8d/copy-address *(eax+4) 1/r32/ecx
-    # var end/edx: (addr byte) = &in->data[in->size]
-    8b/-> *eax 2/r32/edx
-    8d/copy-address *(eax+edx+4) 2/r32/edx
-    #
-    (parse-decimal-int-helper %ecx %edx)  # => eax
-$parse-decimal-int:end:
-    # . restore registers
-    5a/pop-to-edx
-    59/pop-to-ecx
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-parse-decimal-int-from-stream:  # in: (addr stream byte) -> result/eax: int
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    51/push-ecx
-    52/push-edx
-    # eax = in
-    8b/-> *(ebp+8) 0/r32/eax
-    # var start/ecx: (addr byte) = &in->data[in->read]
-    8b/-> *(eax+4) 1/r32/ecx
-    8d/copy-address *(eax+ecx+0xc) 1/r32/ecx
-    # var end/edx: (addr byte) = &in->data[in->write]
-    8b/-> *eax 2/r32/edx
-    8d/copy-address *(eax+edx+0xc) 2/r32/edx
-    #
-    (parse-decimal-int-helper %ecx %edx)  # => eax
-$parse-decimal-int-from-stream:end:
-    # . restore registers
-    5a/pop-to-edx
-    59/pop-to-ecx
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-parse-decimal-int-helper:  # start: (addr byte), end: (addr byte) -> result/eax: int
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    51/push-ecx
-    52/push-edx
-    53/push-ebx
-    56/push-esi
-    57/push-edi
-    # var curr/esi: (addr byte) = start
-    8b/-> *(ebp+8) 6/r32/esi
-    # edi = end
-    8b/-> *(ebp+0xc) 7/r32/edi
-    # var negate?/edx: boolean = false
-    ba/copy-to-edx 0/imm32/false
-    # if (*curr == '-') ++curr, negate = true
-    {
-$parse-decimal-int-helper:negative:
-      b8/copy-to-eax 0/imm32
-      8a/copy-byte *esi 0/r32/AL
-      3d/compare-eax-and 0x2d/imm32/-
-      75/jump-if-!= break/disp8
-      # . ++curr
-      46/increment-esi
-      # . negate = true
-      ba/copy-to-edx  1/imm32/true
-    }
-    # spill negate?
-    52/push-edx
-    # var result/eax: int = 0
-    b8/copy-to-eax 0/imm32
-    # var digit/ecx: int = 0
-    b9/copy-to-ecx 0/imm32
-    # const TEN/ebx: int = 10
-    bb/copy-to-ebx 0xa/imm32
-    {
-$parse-decimal-int-helper:loop:
-      # if (curr >= in->end) break
-      39/compare %esi 7/r32/edi
-      73/jump-if-addr>= break/disp8
-      # digit = from-decimal-char(*curr)
-      8a/copy-byte *esi 1/r32/CL
-      81 5/subop/subtract %ecx 0x30/imm32/zero
-      # TODO: error checking
-      # result = result * 10 + digit
-      ba/copy-to-edx 0/imm32
-      f7 4/subop/multiply-into-edx-eax %ebx
-      # TODO: check edx for overflow
-      01/add %eax 1/r32/ecx
-      # ++curr
-      46/increment-esi
-      #
-      eb/jump loop/disp8
-    }
-$parse-decimal-int-helper:negate:
-    # if (negate?) result = -result
-    5a/pop-to-edx
-    {
-      81 7/subop/compare %edx 0/imm32/false
-      74/jump-if-= break/disp8
-      f7 3/subop/negate %eax
-    }
-$parse-decimal-int-helper:end:
-    # . restore registers
-    5f/pop-to-edi
-    5e/pop-to-esi
-    5b/pop-to-ebx
-    5a/pop-to-edx
-    59/pop-to-ecx
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-test-parse-decimal-int-from-slice-single-digit:
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    50/push-eax
-    51/push-ecx
-    # (eax..ecx) = "3"
-    b8/copy-to-eax "3"/imm32
-    8b/-> *eax 1/r32/ecx
-    8d/copy-address *(eax+ecx+4) 1/r32/ecx
-    05/add-to-eax 4/imm32
-    # var slice/ecx: slice = {eax, ecx}
-    51/push-ecx
-    50/push-eax
-    89/<- %ecx 4/r32/esp
-    #
-    (parse-decimal-int-from-slice %ecx)  # => eax
-    (check-ints-equal %eax 3 "F - test-parse-decimal-int-from-slice-single-digit")
-$test-parse-decimal-int-helper-single-digit:end:
-    # . restore registers
-    59/pop-to-ecx
-    58/pop-to-eax
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-test-parse-decimal-int-from-slice-multi-digit:
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    50/push-eax
-    51/push-ecx
-    # (eax..ecx) = "34"
-    b8/copy-to-eax "34"/imm32
-    8b/-> *eax 1/r32/ecx
-    8d/copy-address *(eax+ecx+4) 1/r32/ecx
-    05/add-to-eax 4/imm32
-    # var slice/ecx: slice = {eax, ecx}
-    51/push-ecx
-    50/push-eax
-    89/<- %ecx 4/r32/esp
-    #
-    (parse-decimal-int-from-slice %ecx)  # => eax
-    (check-ints-equal %eax 0x22 "F - test-parse-decimal-int-from-slice-multi-digit")  # 34 in hex
-$test-parse-decimal-int-helper-multi-digit:end:
-    # . restore registers
-    59/pop-to-ecx
-    58/pop-to-eax
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-test-parse-decimal-int-from-slice-zero:
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    50/push-eax
-    51/push-ecx
-    # (eax..ecx) = "00"
-    b8/copy-to-eax "00"/imm32
-    8b/-> *eax 1/r32/ecx
-    8d/copy-address *(eax+ecx+4) 1/r32/ecx
-    05/add-to-eax 4/imm32
-    # var slice/ecx: slice = {eax, ecx}
-    51/push-ecx
-    50/push-eax
-    89/<- %ecx 4/r32/esp
-    #
-    (parse-decimal-int-from-slice %ecx)  # => eax
-    (check-ints-equal %eax 0 "F - test-parse-decimal-int-from-slice-zero")
-$test-parse-decimal-int-helper-zero:end:
-    # . restore registers
-    59/pop-to-ecx
-    58/pop-to-eax
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-test-parse-decimal-int-from-slice-negative:
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    50/push-eax
-    51/push-ecx
-    # (eax..ecx) = "-3"
-    b8/copy-to-eax "-3"/imm32
-    8b/-> *eax 1/r32/ecx
-    8d/copy-address *(eax+ecx+4) 1/r32/ecx
-    05/add-to-eax 4/imm32
-    # var slice/ecx: slice = {eax, ecx}
-    51/push-ecx
-    50/push-eax
-    89/<- %ecx 4/r32/esp
-    #
-    (parse-decimal-int-from-slice %ecx)  # => eax
-    (check-ints-equal %eax -3 "F - test-parse-decimal-int-from-slice-negative")
-$test-parse-decimal-int-helper-negative:end:
-    # . restore registers
-    59/pop-to-ecx
-    58/pop-to-eax
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-test-parse-decimal-int-from-slice-multi-digit-negative:
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # . save registers
-    50/push-eax
-    51/push-ecx
-    # (eax..ecx) = "-32"
-    b8/copy-to-eax "-32"/imm32
-    8b/-> *eax 1/r32/ecx
-    8d/copy-address *(eax+ecx+4) 1/r32/ecx
-    05/add-to-eax 4/imm32
-    # var slice/ecx: slice = {eax, ecx}
-    51/push-ecx
-    50/push-eax
-    89/<- %ecx 4/r32/esp
-    #
-    (parse-decimal-int-from-slice %ecx)  # => eax
-    (check-ints-equal %eax -0x20 "F - test-parse-decimal-int-from-slice-multi-digit-negative")  # -32 in hex
-$test-parse-decimal-int-helper-multi-digit-negative:end:
-    # . restore registers
-    59/pop-to-ecx
-    58/pop-to-eax
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return