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authorKartik Agaram <vc@akkartik.com>2019-02-10 16:54:20 -0800
committerKartik Agaram <vc@akkartik.com>2019-02-10 16:54:20 -0800
commit38ef68b269fb18097e2d62ba6a8a1a5853d5d16d (patch)
tree38256e7a75cf0e546048d6fedc1272163ec6576e
parent6e181e7fd998a0d542cb531c929c905a243ea2f6 (diff)
downloadmu-38ef68b269fb18097e2d62ba6a8a1a5853d5d16d.tar.gz
4954
-rw-r--r--subx/060read.subx42
-rw-r--r--subx/071read-line.subx36
-rw-r--r--subx/072slice.subx102
-rwxr-xr-xsubx/apps/crenshaw2-1bin17370 -> 17596 bytes
-rwxr-xr-xsubx/apps/crenshaw2-1bbin17929 -> 18155 bytes
-rwxr-xr-xsubx/apps/factorialbin16288 -> 16514 bytes
-rwxr-xr-xsubx/apps/handlebin17081 -> 17307 bytes
-rwxr-xr-xsubx/apps/hexbin20349 -> 20575 bytes
-rwxr-xr-xsubx/apps/packbin19264 -> 19490 bytes
9 files changed, 141 insertions, 39 deletions
diff --git a/subx/060read.subx b/subx/060read.subx
index c56b8788..a54b3f02 100644
--- a/subx/060read.subx
+++ b/subx/060read.subx
@@ -188,9 +188,9 @@ test-read-single:
     e8/call  clear-stream/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
-    # clear-stream(_test-stream-buffer)
+    # clear-stream(_test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  clear-stream/disp32
     # . . discard args
@@ -203,9 +203,9 @@ test-read-single:
     e8/call  write/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # read(_test-stream, _test-stream-buffer)
+    # read(_test-stream, _test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     68/push  _test-stream/imm32
     # . . call
     e8/call  read/disp32
@@ -220,11 +220,11 @@ test-read-single:
     e8/call  check-ints-equal/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               0xc/imm32         # add to ESP
-    # check-stream-equal(_test-stream-buffer, "Ab", msg)
+    # check-stream-equal(_test-tmp-stream, "Ab", msg)
     # . . push args
     68/push  "F - test-read-single"/imm32
     68/push  "Ab"/imm32
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  check-stream-equal/disp32
     # . . discard args
@@ -241,9 +241,9 @@ test-read-is-stateful:
     e8/call  clear-stream/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
-    # clear-stream(_test-stream-buffer)
+    # clear-stream(_test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  clear-stream/disp32
     # . . discard args
@@ -256,9 +256,9 @@ test-read-is-stateful:
     e8/call  write/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # read(_test-stream, _test-stream-buffer)
+    # read(_test-stream, _test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     68/push  _test-stream/imm32
     # . . call
     e8/call  read/disp32
@@ -272,19 +272,19 @@ test-read-is-stateful:
     e8/call  write/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # read(_test-stream, _test-stream-buffer)
+    # read(_test-stream, _test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     68/push  _test-stream/imm32
     # . . call
     e8/call  read/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # check-stream-equal(_test-stream-buffer, "CD", msg)
+    # check-stream-equal(_test-tmp-stream, "CD", msg)
     # . . push args
     68/push  "F - test-read-is-stateful"/imm32
     68/push  "CD"/imm32
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  check-stream-equal/disp32
     # . . discard args
@@ -302,9 +302,9 @@ test-read-returns-0-on-end-of-file:
     e8/call  clear-stream/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
-    # . clear-stream(_test-stream-buffer)
+    # . clear-stream(_test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  clear-stream/disp32
     # . . discard args
@@ -318,18 +318,18 @@ test-read-returns-0-on-end-of-file:
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
     # first read gets to end-of-file
-    # . read(_test-stream, _test-stream-buffer)
+    # . read(_test-stream, _test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     68/push  _test-stream/imm32
     # . . call
     e8/call  read/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
     # second read
-    # . read(_test-stream, _test-stream-buffer)
+    # . read(_test-stream, _test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     68/push  _test-stream/imm32
     # . . call
     e8/call  read/disp32
@@ -349,7 +349,7 @@ test-read-returns-0-on-end-of-file:
 
 == data
 
-_test-stream-buffer:
+_test-tmp-stream:
     # current write index
     00 00 00 00
     # current read index
diff --git a/subx/071read-line.subx b/subx/071read-line.subx
index 5eba31c1..3efa96e0 100644
--- a/subx/071read-line.subx
+++ b/subx/071read-line.subx
@@ -134,9 +134,9 @@ test-read-line:
     e8/call  clear-stream/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
-    # . clear-stream(_test-stream-buffer)
+    # . clear-stream(_test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  clear-stream/disp32
     # . . discard args
@@ -166,10 +166,10 @@ test-read-line:
     e8/call  write/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # read a line from _test-stream (buffered by _test-buffered-file) into _test-stream-buffer
-    # . EAX = read-line(_test-buffered-file, _test-stream-buffer)
+    # read a line from _test-stream (buffered by _test-buffered-file) into _test-tmp-stream
+    # . EAX = read-line(_test-buffered-file, _test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     68/push  _test-buffered-file/imm32
     # . . call
     e8/call  read-line/disp32
@@ -184,11 +184,11 @@ test-read-line:
     e8/call  check-ints-equal/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               0xc/imm32         # add to ESP
-    # check-next-stream-line-equal(_test-stream-buffer, "ab", msg)
+    # check-next-stream-line-equal(_test-tmp-stream, "ab", msg)
     # . . push args
     68/push  "F - test-read-line"/imm32
     68/push  "ab"/imm32
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  check-next-stream-line-equal/disp32
     # . . discard args
@@ -214,17 +214,17 @@ test-read-line-returns-true-on-eof:
     e8/call  clear-stream/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
-    # . clear-stream(_test-stream-buffer)
+    # . clear-stream(_test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  clear-stream/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
     # write nothing
-    # EAX = read-line(_test-buffered-file, _test-stream-buffer)
+    # EAX = read-line(_test-buffered-file, _test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     68/push  _test-buffered-file/imm32
     # . . call
     e8/call  read-line/disp32
@@ -260,9 +260,9 @@ test-read-line-reads-final-line-until-eof:
     e8/call  clear-stream/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
-    # . clear-stream(_test-stream-buffer)
+    # . clear-stream(_test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  clear-stream/disp32
     # . . discard args
@@ -275,10 +275,10 @@ test-read-line-reads-final-line-until-eof:
     e8/call  write/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # read a line from _test-stream (buffered by _test-buffered-file) into _test-stream-buffer
-    # . EAX = read-line(_test-buffered-file, _test-stream-buffer)
+    # read a line from _test-stream (buffered by _test-buffered-file) into _test-tmp-stream
+    # . EAX = read-line(_test-buffered-file, _test-tmp-stream)
     # . . push args
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     68/push  _test-buffered-file/imm32
     # . . call
     e8/call  read-line/disp32
@@ -293,11 +293,11 @@ test-read-line-reads-final-line-until-eof:
     e8/call  check-ints-equal/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               0xc/imm32         # add to ESP
-    # check-stream-equal(_test-stream-buffer, "cd", msg)
+    # check-stream-equal(_test-tmp-stream, "cd", msg)
     # . . push args
     68/push  "F - test-read-line-reads-final-line-until-eof"/imm32
     68/push  "cd"/imm32
-    68/push  _test-stream-buffer/imm32
+    68/push  _test-tmp-stream/imm32
     # . . call
     e8/call  check-stream-equal/disp32
     # . . discard args
diff --git a/subx/072slice.subx b/subx/072slice.subx
index 36bdfdd4..3b948d60 100644
--- a/subx/072slice.subx
+++ b/subx/072slice.subx
@@ -503,6 +503,108 @@ test-write-slice:
     5d/pop-to-EBP
     c3/return
 
+# write an entire stream's contents to a buffered-file
+# ways to do this:
+#   - construct a 'maximal slice' and pass it to write-slice
+#   - flush the buffered-file and pass the stream directly to its fd (disabling buffering)
+# we'll go with the first way for now
+write-stream-buffered:  # f : (address buffered-file), s : (address stream)
+    # . prolog
+    55/push-EBP
+    89/copy                         3/mod/direct    5/rm32/EBP    .           .             .           4/r32/ESP   .               .                 # copy ESP to EBP
+    # . save registers
+    50/push-EAX
+    56/push-ESI
+    # ESI = s
+    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .             .           6/r32/ESI   0xc/disp8       .                 # copy *(EBP+12) to ESI
+    # var slice/ECX = {s->data, s->data + s->write}
+    # . push s->data + s->write
+    8b/copy                         0/mod/indirect  6/rm32/ESI    .           .             .           0/r32/EAX   .               .                 # copy *ESI to EAX
+    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/ESI  0/index/EAX   .           0/r32/EAX   0xc/disp8       .                 # copy ESI+EAX+12 to EAX
+    50/push-EAX
+    # . push s->data
+    8d/copy-address                 1/mod/*+disp8   6/rm32/ESI    .           .             .           0/r32/EAX   0xc/disp8       .                 # copy ESI+12 to EAX
+    50/push-EAX
+    # . ECX = ESP
+    89/copy                         3/mod/direct    1/rm32/ECX    .           .             .           4/r32/ESP   .               .                 # copy ESP to ECX
+    # write-slice(f, slice)
+    # . . push args
+    51/push-ECX
+    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
+    # . . call
+    e8/call  write-slice/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
+$write-stream-buffered:end:
+    # . restore registers
+    5e/pop-to-ESI
+    58/pop-to-EAX
+    # . epilog
+    89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
+    5d/pop-to-EBP
+    c3/return
+
+test-write-stream-buffered:
+    # . prolog
+    55/push-EBP
+    89/copy                         3/mod/direct    5/rm32/EBP    .           .             .           4/r32/ESP   .               .                 # copy ESP to EBP
+    # setup
+    # . clear-stream(_test-stream)
+    # . . push args
+    68/push  _test-stream/imm32
+    # . . call
+    e8/call  clear-stream/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
+    # . clear-stream(_test-buffered-file+4)
+    # . . push args
+    b8/copy-to-EAX  _test-buffered-file/imm32
+    05/add-to-EAX  4/imm32
+    50/push-EAX
+    # . . call
+    e8/call  clear-stream/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
+    # initialize input
+    # . write(_test-tmp-stream, "abcd")
+    # . . push args
+    68/push  "abcd"/imm32
+    68/push  _test-tmp-stream/imm32
+    # . . call
+    e8/call  write/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
+    # perform the write-stream-buffered
+    # . write-stream-buffered(_test-buffered-file, _test-tmp-stream)
+    # . . push args
+    68/push  _test-tmp-stream/imm32
+    68/push  _test-buffered-file/imm32
+    # . . call
+    e8/call  write-stream-buffered/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
+    # check that the write happened as expected
+    # . flush(_test-buffered-file)
+    # . . push args
+    68/push  _test-buffered-file/imm32
+    # . . call
+    e8/call  flush/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               4/imm32           # add to ESP
+    # . check-stream-equal(_test-stream, "abcd", msg)
+    # . . push args
+    68/push  "F - test-write-stream-buffered"/imm32
+    68/push  "abcd"/imm32
+    68/push  _test-stream/imm32
+    # . . call
+    e8/call  check-stream-equal/disp32
+    # . . discard args
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               0xc/imm32         # add to ESP
+    # . epilog
+    89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
+    5d/pop-to-EBP
+    c3/return
+
 == data
 
 _test-slice-data-0:
diff --git a/subx/apps/crenshaw2-1 b/subx/apps/crenshaw2-1
index 98976436..ab780991 100755
--- a/subx/apps/crenshaw2-1
+++ b/subx/apps/crenshaw2-1
Binary files differdiff --git a/subx/apps/crenshaw2-1b b/subx/apps/crenshaw2-1b
index 8bc663fb..9deb1c43 100755
--- a/subx/apps/crenshaw2-1b
+++ b/subx/apps/crenshaw2-1b
Binary files differdiff --git a/subx/apps/factorial b/subx/apps/factorial
index 82c8f2d1..63abe708 100755
--- a/subx/apps/factorial
+++ b/subx/apps/factorial
Binary files differdiff --git a/subx/apps/handle b/subx/apps/handle
index bb57c457..d5deb64e 100755
--- a/subx/apps/handle
+++ b/subx/apps/handle
Binary files differdiff --git a/subx/apps/hex b/subx/apps/hex
index a75b3832..e90d80ed 100755
--- a/subx/apps/hex
+++ b/subx/apps/hex
Binary files differdiff --git a/subx/apps/pack b/subx/apps/pack
index 6437b888..01e55e6c 100755
--- a/subx/apps/pack
+++ b/subx/apps/pack
Binary files differ