5631 - syntax for calls starting to work!

Now added to CI.
This commit is contained in:
Kartik Agaram 2019-09-06 17:45:44 -07:00
parent e836615a60
commit 099f0d5d55
5 changed files with 573 additions and 16 deletions

BIN
apps/calls Executable file

Binary file not shown.

View File

@ -92,7 +92,7 @@ convert: # in : (address buffered-file), out : (address buffered-file) -> <void
# write-buffered(out, "# . ")
# write-stream-data(out, line)
# # emit code
# ++line->read # skip '('
# ++line->read to skip '('
# clear-stream(words)
# words = parse-line(line)
# emit-call(out, words)
@ -102,12 +102,16 @@ convert: # in : (address buffered-file), out : (address buffered-file) -> <void
55/push-ebp
89/<- %ebp 4/r32/esp
# . save registers
# var line/ecx : (address stream byte) = stream(512)
50/push-eax
51/push-ecx
52/push-edx
56/push-esi
# var line/esi : (address stream byte) = stream(512)
81 5/subop/subtract %esp 0x200/imm32
68/push 0x200/imm32/length
68/push 0/imm32/read
68/push 0/imm32/write
89/<- %ecx 4/r32/esp
89/<- %esi 4/r32/esp
# var words/edx : (address stream slice) = stream(16, 8)
81 5/subop/subtract %esp 0x80/imm32
68/push 0x80/imm32/length
@ -117,14 +121,14 @@ convert: # in : (address buffered-file), out : (address buffered-file) -> <void
$convert:loop:
# clear-stream(line)
# . . push args
51/push-ecx
56/push-esi
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# read-line-buffered(in, line)
# . . push args
51/push-ecx
56/push-esi
ff 6/subop/push *(ebp+8)
# . . call
e8/call read-line-buffered/disp32
@ -132,9 +136,80 @@ $convert:loop:
81 0/subop/add %esp 8/imm32
$convert:check0:
# if (line->write == 0) break
81 7/subop/compare *ecx 0/imm32
81 7/subop/compare *esi 0/imm32
0f 84/jump-if-equal $convert:break/disp32
# TODO
# skip-chars-matching-whitespace(line)
# . . push args
56/push-esi
# . . call
e8/call skip-chars-matching-whitespace/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# if (line->data[line->read] == '(') goto convert-call
# . ecx = line->read
8b/-> *(esi+4) 1/r32/ecx
# . eax = line->data[line->read]
31/xor %eax 0/r32/eax
8a/copy-byte *(esi+ecx+0xc) 0/r32/AL
# . if (eax == '(') goto convert-call
3d/compare-eax-and 0x28/imm32/open-paren
74/jump-if-equal $convert:convert-call/disp8
$convert:pass-through:
# write-stream-data(out, line)
# . . push args
56/push-esi
ff 6/subop/push *(ebp+0xc)
# . . call
e8/call write-stream-data/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# continue
eb/jump $convert:loop/disp8
$convert:convert-call:
# - emit comment
# write-buffered(out, "# . ")
# . . push args
68/push "# . "/imm32
ff 6/subop/push *(ebp+0xc)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-stream-data(out, line)
# . . push args
56/push-esi
ff 6/subop/push *(ebp+0xc)
# . . call
e8/call write-stream-data/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# - emit code
# ++line->read to skip '('
ff 0/subop/increment *(esi+4)
# clear-stream(words)
# . . push args
52/push-edx
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# words = parse-line(line)
# . . push args
52/push-edx
56/push-esi
# . . call
e8/call parse-line/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# emit-call(out, words)
# . . push args
52/push-edx
ff 6/subop/push *(ebp+0xc)
# . . call
e8/call emit-call/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# loop
e9/jump $convert:loop/disp32
$convert:break:
# flush(out)
@ -148,6 +223,10 @@ $convert:end:
# . reclaim locals
81 0/subop/add %esp 0x298/imm32 # 0x20c + 0x8c
# . restore registers
5e/pop-to-esi
5a/pop-to-edx
59/pop-to-ecx
58/pop-to-eax
# . epilog
89/<- %esp 5/r32/ebp
5d/pop-to-ebp
@ -167,9 +246,102 @@ parse-line: # line : (address stream byte), words : (address stream slice)
55/push-ebp
89/<- %ebp 4/r32/esp
# . save registers
51/push-ecx
# var word-slice/ecx : (address slice) = {0, 0}
68/push 0/imm32
68/push 0/imm32
89/<- %ecx 4/r32/esp
$parse-line:loop:
# word-slice = next-word-string-or-expression-without-metadata(line)
# . . push args
51/push-ecx
ff 6/subop/push *(ebp+8)
# . . call
e8/call next-word-string-or-expression-without-metadata/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
$parse-line:check1:
# if (slice-empty?(word-slice)) break
# . eax = slice-empty?(word-slice)
# . . push args
51/push-ecx
# . . call
e8/call slice-empty?/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . if (eax != 0) break
3d/compare-eax-and 0/imm32
0f 85/jump-if-not-equal $parse-line:end/disp32
#? # dump word-slice {{{
#? # . write(2/stderr, "w: ")
#? # . . push args
#? 68/push "w: "/imm32
#? 68/push 2/imm32/stderr
#? # . . call
#? e8/call write/disp32
#? # . . discard args
#? 81 0/subop/add %esp 8/imm32
#? # . clear-stream(Stderr+4)
#? # . . save eax
#? 50/push-eax
#? # . . push args
#? b8/copy-to-eax Stderr/imm32
#? 05/add-to-eax 4/imm32
#? 50/push-eax
#? # . . call
#? e8/call clear-stream/disp32
#? # . . discard args
#? 81 0/subop/add %esp 4/imm32
#? # . . restore eax
#? 58/pop-to-eax
#? # . write-slice-buffered(Stderr, word-slice)
#? # . . push args
#? 51/push-ecx
#? 68/push Stderr/imm32
#? # . . call
#? e8/call write-slice-buffered/disp32
#? # . . discard args
#? 81 0/subop/add %esp 8/imm32
#? # . flush(Stderr)
#? # . . push args
#? 68/push Stderr/imm32
#? # . . call
#? e8/call flush/disp32
#? # . . discard args
#? 81 0/subop/add %esp 4/imm32
#? # . write(2/stderr, "$\n")
#? # . . push args
#? 68/push "$\n"/imm32
#? 68/push 2/imm32/stderr
#? # . . call
#? e8/call write/disp32
#? # . . discard args
#? 81 0/subop/add %esp 8/imm32
#? # }}}
$parse-line:write-word:
# write-int(words, word-slice->start)
# . . push args
ff 6/subop/push *ecx
ff 6/subop/push *(ebp+0xc)
# . . call
e8/call write-int/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-int(words, word-slice->end)
# . . push args
ff 6/subop/push *(ecx+4)
ff 6/subop/push *(ebp+0xc)
# . . call
e8/call write-int/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# loop
e9/jump $parse-line:loop/disp32
$parse-line:end:
# . reclaim locals
81 0/subop/add %esp 8/imm32
# . restore registers
59/pop-to-ecx
# . epilog
89/<- %esp 5/r32/ebp
5d/pop-to-ebp
@ -183,10 +355,10 @@ emit-call: # out : (address buffered-file), words : (address stream slice)
# # emit pushes
# while true
# if (curr <= min) break
# if *curr in '%' '*'
# if *curr->start in '%' '*'
# write-buffered(out, "ff 6/subop/push ")
# write-slice-buffered(out, curr)
# write-buffered(out, "/imm32\n")
# write-buffered(out, "\n")
# else
# write-buffered(out, "68/push ")
# write-slice-buffered(out, curr)
@ -205,9 +377,380 @@ emit-call: # out : (address buffered-file), words : (address stream slice)
55/push-ebp
89/<- %ebp 4/r32/esp
# . save registers
50/push-eax
51/push-ecx
52/push-edx
56/push-esi
# esi = words
8b/-> *(ebp+0xc) 6/r32/esi
# if (words->write < 8) abort
# . ecx = words->write - 8
8b/-> *esi 1/r32/ecx
81 5/subop/subtract %ecx 8/imm32
0f 8c/jump-if-lesser $emit-call:error1/disp32
# curr/ecx = &words->data[words->write-8]
8d/copy-address *(esi+ecx+0xc) 1/r32/ecx
# min/edx = words->data
8d/copy-address *(esi+0xc) 2/r32/edx
# - emit pushes
$emit-call:push-loop:
# if (curr <= min) break
39/compare %ecx 2/r32/edx
0f 8e/jump-if-lesser-or-equal $emit-call:call-instruction/disp32
# if (*curr->start in '%' '*') goto push-rm32
# . eax = curr->start
8b/-> *ecx 0/r32/eax
# . eax = (byte)*eax
8b/-> *eax 0/r32/eax
81 4/subop/and %eax 0xff/imm32
# . if (eax == '%') goto push-rm32
3d/compare-eax-and 0x25/imm32/percent
74/jump-if-equal $emit-call:push-rm32/disp8
# . if (eax == '*') goto push-rm32
3d/compare-eax-and 0x2a/imm32/asterisk
74/jump-if-equal $emit-call:push-rm32/disp8
$emit-call:push-imm32:
# write-buffered(out, "68/push ")
68/push "68/push "/imm32
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-slice-buffered(out, curr)
# . . push args
51/push-ecx
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-slice-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-buffered(out, "/imm32\n")
68/push "/imm32\n"/imm32
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# continue
eb/jump $emit-call:next-push/disp8
$emit-call:push-rm32:
# write-buffered(out, "ff 6/subop/push ")
# . . push args
68/push "ff 6/subop/push "/imm32
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-slice-buffered(out, curr)
# . . push args
51/push-ecx
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-slice-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-buffered(out, "\n")
68/push Newline/imm32
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
$emit-call:next-push:
# curr -= 8
81 5/subop/subtract %ecx 8/imm32
# loop
e9/jump $emit-call:push-loop/disp32
$emit-call:call-instruction:
# write-buffered(out, "e8/call ")
68/push "e8/call "/imm32
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-slice-buffered(out, curr)
# . . push args
51/push-ecx
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-slice-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-buffered(out, "/disp32\n")
68/push "/disp32\n"/imm32
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
$emit-call:pop-instruction:
# write-buffered(out, "81 0/subop/add %esp ")
68/push "81 0/subop/add %esp "/imm32
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# print-int32-buffered(out, words->write >> 1 - 4)
# . . push args
8b/-> *esi 0/r32/eax
c1/shift 7/subop/arith-right %eax 1/imm8
2d/subtract-from-eax 4/imm32
50/push-eax
ff 6/subop/push *(ebp+8)
# . . call
e8/call print-int32-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# write-buffered(out, "/imm32\n")
68/push "/imm32\n"/imm32
ff 6/subop/push *(ebp+8)
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
$emit-call:end:
# . reclaim locals
# . restore registers
5e/pop-to-esi
5a/pop-to-edx
59/pop-to-ecx
58/pop-to-eax
# . epilog
89/<- %esp 5/r32/ebp
5d/pop-to-ebp
c3/return
$emit-call:error1:
# print(stderr, "error: calls.subx: '()' is not a valid call")
# . write-buffered(Stderr, "error: calls.subx: '()' is not a valid call")
# . . push args
68/push "error: calls.subx: '()' is not a valid call"/imm32
68/push Stderr/imm32
# . . call
e8/call write-buffered/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# . flush(Stderr)
# . . push args
68/push Stderr/imm32
# . . call
e8/call flush/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . syscall(exit, 1)
bb/copy-to-ebx 1/imm32
b8/copy-to-eax 1/imm32/exit
cd/syscall 0x80/imm8
# never gets here
test-convert-passes-most-lines-through:
# . prolog
55/push-ebp
89/<- %ebp 4/r32/esp
# setup
# . clear-stream(_test-input-stream)
# . . push args
68/push _test-input-stream/imm32
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . clear-stream(_test-input-buffered-file+4)
# . . push args
b8/copy-to-eax _test-input-buffered-file/imm32
05/add-to-eax 4/imm32
50/push-eax
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . clear-stream(_test-output-stream)
# . . push args
68/push _test-output-stream/imm32
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . clear-stream(_test-output-buffered-file+4)
# . . push args
b8/copy-to-eax _test-output-buffered-file/imm32
05/add-to-eax 4/imm32
50/push-eax
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . write(_test-input-stream, "== abcd 0x1\n")
# . . push args
68/push "== abcd 0x1\n"/imm32
68/push _test-input-stream/imm32
# . . call
e8/call write/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# convert(_test-input-buffered-file, _test-output-buffered-file)
# . . push args
68/push _test-output-buffered-file/imm32
68/push _test-input-buffered-file/imm32
# . . call
e8/call convert/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# check that the line just passed through
# . flush(_test-output-buffered-file)
# . . push args
68/push _test-output-buffered-file/imm32
# . . call
e8/call flush/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . check-stream-equal(_test-output-stream, "== abcd 0x1\n", msg)
# . . push args
68/push "F - test-convert-passes-most-lines-through"/imm32
68/push "== abcd 0x1\n"/imm32
68/push _test-output-stream/imm32
# . . call
e8/call check-stream-equal/disp32
# . . discard args
81 0/subop/add %esp 0xc/imm32
# . epilog
89/<- %esp 5/r32/ebp
5d/pop-to-ebp
c3/return
test-convert-processes-calls:
# . prolog
55/push-ebp
89/<- %ebp 4/r32/esp
# setup
# . clear-stream(_test-input-stream)
# . . push args
68/push _test-input-stream/imm32
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . clear-stream(_test-input-buffered-file+4)
# . . push args
b8/copy-to-eax _test-input-buffered-file/imm32
05/add-to-eax 4/imm32
50/push-eax
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . clear-stream(_test-output-stream)
# . . push args
68/push _test-output-stream/imm32
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . clear-stream(_test-output-buffered-file+4)
# . . push args
b8/copy-to-eax _test-output-buffered-file/imm32
05/add-to-eax 4/imm32
50/push-eax
# . . call
e8/call clear-stream/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
# . write(_test-input-stream, "(foo %eax)\n")
# . . push args
68/push "(foo %eax)\n"/imm32
68/push _test-input-stream/imm32
# . . call
e8/call write/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# convert(_test-input-buffered-file, _test-output-buffered-file)
# . . push args
68/push _test-output-buffered-file/imm32
68/push _test-input-buffered-file/imm32
# . . call
e8/call convert/disp32
# . . discard args
81 0/subop/add %esp 8/imm32
# check that the line just passed through
# . flush(_test-output-buffered-file)
# . . push args
68/push _test-output-buffered-file/imm32
# . . call
e8/call flush/disp32
# . . discard args
81 0/subop/add %esp 4/imm32
#? # dump _test-output-stream {{{
#? # . write(2/stderr, "^")
#? # . . push args
#? 68/push "^"/imm32
#? 68/push 2/imm32/stderr
#? # . . call
#? e8/call write/disp32
#? # . . discard args
#? 81 0/subop/add %esp 8/imm32
#? # . write-stream(2/stderr, _test-output-stream)
#? # . . push args
#? 68/push _test-output-stream/imm32
#? 68/push 2/imm32/stderr
#? # . . call
#? e8/call write-stream/disp32
#? # . . discard args
#? 81 0/subop/add %esp 8/imm32
#? # . write(2/stderr, "$\n")
#? # . . push args
#? 68/push "$\n"/imm32
#? 68/push 2/imm32/stderr
#? # . . call
#? e8/call write/disp32
#? # . . discard args
#? 81 0/subop/add %esp 8/imm32
#? # . rewind-stream(_test-output-stream)
#? # . . push args
#? 68/push _test-output-stream/imm32
#? # . . call
#? e8/call rewind-stream/disp32
#? # . . discard args
#? 81 0/subop/add %esp 4/imm32
#? # }}}
# . check-next-stream-line-equal(_test-output-stream, "# . (foo %eax)", msg)
# . . push args
68/push "F - test-convert-processes-calls: comment"/imm32
68/push "# . (foo %eax)"/imm32
68/push _test-output-stream/imm32
# . . call
e8/call check-next-stream-line-equal/disp32
# . . discard args
81 0/subop/add %esp 0xc/imm32
# . check-next-stream-line-equal(_test-output-stream, "ff 6/subop/push %eax", msg)
# . . push args
68/push "F - test-convert-processes-calls: arg 0"/imm32
68/push "ff 6/subop/push %eax"/imm32
68/push _test-output-stream/imm32
# . . call
e8/call check-next-stream-line-equal/disp32
# . . discard args
81 0/subop/add %esp 0xc/imm32
# . check-next-stream-line-equal(_test-output-stream, "e8/call foo/disp32", msg)
# . . push args
68/push "F - test-convert-processes-calls: call"/imm32
68/push "e8/call foo/disp32"/imm32
68/push _test-output-stream/imm32
# . . call
e8/call check-next-stream-line-equal/disp32
# . . discard args
81 0/subop/add %esp 0xc/imm32
# . check-next-stream-line-equal(_test-output-stream, "81 0/subop/add %esp 4/imm32", msg)
# . . push args
68/push "F - test-convert-processes-calls: pops"/imm32
68/push "81 0/subop/add %esp 0x00000004/imm32"/imm32
68/push _test-output-stream/imm32
# . . call
e8/call check-next-stream-line-equal/disp32
# . . discard args
81 0/subop/add %esp 0xc/imm32
# . epilog
89/<- %esp 5/r32/ebp
5d/pop-to-ebp
@ -362,7 +905,7 @@ $next-word-string-or-expression-without-metadata:paren:
# . if (eax != ')') goto error2
3d/compare-eax-and 0x29/imm32/close-paren
0f 85/jump-if-not-equal $next-word-string-or-expression-without-metadata:error2/disp32
# skip ')'
# ++line->read to skip ')'
ff 0/subop/increment *(esi+4)
# out->end = &line->data[line->read]
8b/-> *(esi+4) 1/r32/ecx
@ -1255,5 +1798,3 @@ test-next-word-string-or-expression-without-metadata-stops-at-close-paren:
89/<- %esp 5/r32/ebp
5d/pop-to-ebp
c3/return
# . . vim:nowrap:textwidth=0

View File

@ -15,7 +15,9 @@ set -e
./build
cat $* |apps/sigils > a.sigils
cat $* |apps/calls > a.calls
cat a.calls |apps/sigils > a.sigils
cat a.sigils |apps/tests > a.tests

View File

@ -311,6 +311,17 @@ test `uname` = 'Linux' && {
test $EMULATED && echo "skipping remaining runs in emulated mode"
test $NATIVE || exit 0
echo calls
cat 0*.subx apps/subx-common.subx apps/calls.subx | apps/sigils > a.sigils
./subx translate a.sigils -o apps/calls
[ "$1" != record ] && git diff --exit-code apps/calls
./subx run apps/calls test
echo
test `uname` = 'Linux' && {
apps/calls test
echo
}
echo "== translating using SubX"
# example programs
@ -333,7 +344,7 @@ done
# Phases of the self-hosted SubX translator.
for app in hex survey pack assort dquotes tests sigils
for app in hex survey pack assort dquotes tests sigils calls
do
echo $app
./ntranslate 0*.subx apps/subx-common.subx apps/$app.subx

View File

@ -15,8 +15,11 @@ set -e
./build
echo " calls"
cat $* |./subx_bin run apps/calls > a.calls
echo " sigils"
cat $* |./subx_bin run apps/sigils > a.sigils
cat a.calls |./subx_bin run apps/sigils > a.sigils
echo " tests"
cat a.sigils |./subx_bin run apps/tests > a.tests