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Changed semantics of litstring

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This commit is contained in:
Koichi Nakamura 2021-01-09 21:30:02 +09:00
parent ad5197f603
commit 8acc4c70ba
4 changed files with 43 additions and 44 deletions
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4
bootstrap.fs
View file

@ -1182,7 +1182,7 @@ char 0 char B - constant STRING-OVERFLOW-ERROR \ -18
1+ \ increment length
repeat drop
0 c, \ store \0
1+
1+ aligned
swap ! \ back-fill length
align
else
@ -1842,7 +1842,7 @@ stdin_ push-inputstream
1+ \ increment length
repeat drop
0 c, \ store \0
1+
1+ aligned
swap ! \ back-fill length
align
else

2
others/planck.c
View file

@ -127,7 +127,7 @@ defcode("L", lit) { push(*np++); next(); }
defcode("S", litstring) {
int n = *np++;
push((cell)np);
np += (n + CELL - 1)/CELL;
np += n/CELL;
next();
}
defcode("k", key) {

2
others/planck.py
View file

@ -201,7 +201,7 @@ def lit(ip, np):
add_operator('L', lit)
def litstring(ip, np):
push(np + 4)
return next(aligned(np + 4 + read(np)))
return next(np + 4 + read(np))
add_operator('S', litstring)
add_binary_operator('+', operator.add)
add_binary_operator('-', operator.sub)

79
planck.xxd
View file

@ -6,10 +6,10 @@
00000028: 3400 2000 0100 0000 e_ehsize,e_phentsize,e_phnum,e_shentsize
00000030: 0000 0000 0100 0000 e_shnum,e_shstrndx,<phdr>p_type=PT_LOAD
00000038: 0000 0000 0080 0408 p_offset,p_vaddr=0x08048000
00000040: 0000 0000 f003 0000 p_paddr,p_filesz
00000040: 0000 0000 e803 0000 p_paddr,p_filesz
00000048: 0000 2000 0700 0000 p_memsz(128KB),p_flags=PF_X|PF_W|PF_R
00000050: 0010 0000 f083 0408 p_align, <here>
00000058: d083 0408 0000 0000 <latest:init="v">, <sp0>
00000058: c883 0408 0000 0000 <latest:init="v">, <sp0>
00000060: f080 0408 7081 0408 <interpreter>key, find
00000068: a081 0408 4081 0408 execute, jump
00000070: f0ff ffff be60 8004 -16, movl $interpreter, %esi
@ -108,52 +108,51 @@
000002b0: 9882 0408 0153 0000 S: litstring
000002b8: bc82 0408 ad56 01c6 lodsl; pushl %esi; addl %eax,%esi;
000002c0: 83c6 0383 e6fc adff addl $3,%esi; andl $~3,%esi;next;
000002c8: 2000 0000 0000 0000
000002c0: adff 2000 0000 0000 next;
000002d0: b082 0408 012b 0000 +: add
000002d8: dc82 0408 5801 0424 popl %eax; addl %eax,(%esp)
000002e0: adff 2000 0000 0000 next;
000002c8: b082 0408 012b 0000 +: add
000002d0: d482 0408 5801 0424 popl %eax; addl %eax,(%esp)
000002d8: adff 2000 0000 0000 next;
000002e8: d082 0408 012d 0000 -: sub
000002f0: f482 0408 5829 0424 popl %eax; subl %eax,(%esp)
000002f8: adff 2000 0000 0000 next;
000002e0: c882 0408 012d 0000 -: sub
000002e8: ec82 0408 5829 0424 popl %eax; subl %eax,(%esp)
000002f0: adff 2000 0000 0000 next;
00000300: e882 0408 012a 0000 *: mul
00000308: 0c83 0408 585b 0faf popl %eax; popl %ebx; imul %ebx,%eax
00000310: c350 adff 2000 0000 pushl %eax; next;
000002f8: e082 0408 012a 0000 *: mul
00000300: 0483 0408 585b 0faf popl %eax; popl %ebx; imul %ebx,%eax
00000308: c350 adff 2000 0000 pushl %eax; next;
00000318: 0083 0408 012f 0000 /: div
00000320: 2483 0408 31d2 5b58 xorl %edx,%edx; popl %ebx; popl %eax
00000328: f7fb 50ad ff20 0000 idiv %ebx; pushl %eax; next;
00000310: f882 0408 012f 0000 /: div
00000318: 1c83 0408 31d2 5b58 xorl %edx,%edx; popl %ebx; popl %eax
00000320: f7fb 50ad ff20 0000 idiv %ebx; pushl %eax; next;
00000330: 1883 0408 0125 0000 %: mod
00000338: 3c83 0408 31d2 5b58 xorl %edx,%edx; popl %ebx; popl %eax
00000340: f7fb 52ad ff20 0000 idiv %ebx; pushl %edx; next;
00000328: 1083 0408 0125 0000 %: mod
00000330: 3483 0408 31d2 5b58 xorl %edx,%edx; popl %ebx; popl %eax
00000338: f7fb 52ad ff20 0000 idiv %ebx; pushl %edx; next;
00000348: 3083 0408 0126 0000 &: and
00000350: 5483 0408 5821 0424 popl %eax; andl %eax,(%esp)
00000358: adff 2000 0000 0000 next; next;
00000340: 2883 0408 0126 0000 &: and
00000348: 4c83 0408 5821 0424 popl %eax; andl %eax,(%esp)
00000350: adff 2000 0000 0000 next; next;
00000360: 4883 0408 017c 0000 |: or
00000368: 6c83 0408 5809 0424 popl %eax; orl %eax,(%esp)
00000370: adff 2000 0000 0000 next;
00000358: 4083 0408 017c 0000 |: or
00000360: 6483 0408 5809 0424 popl %eax; orl %eax,(%esp)
00000368: adff 2000 0000 0000 next;
00000378: 6083 0408 015e 0000 ^: xor
00000380: 8483 0408 5831 0424 popl %eax; andl %eax,(%esp)
00000388: adff 2000 0000 0000 next;
00000370: 5883 0408 015e 0000 ^: xor
00000378: 7c83 0408 5831 0424 popl %eax; andl %eax,(%esp)
00000380: adff 2000 0000 0000 next;
00000390: 7883 0408 013c 0000 <: less
00000398: 9c83 0408 585b 39c3 popl %eax; popl %ebx; cmpl %eax,%ebx
000003a0: 0f9c c00f b6c0 50ad setl %al; movzbl %al, %eax; pushl %eax; next;
000003a8: ff20 0000 0000 0000
00000388: 7083 0408 013c 0000 <: less
00000390: 9483 0408 585b 39c3 popl %eax; popl %ebx; cmpl %eax,%ebx
00000398: 0f9c c00f b6c0 50ad setl %al; movzbl %al, %eax; pushl %eax; next;
000003a0: ff20 0000 0000 0000
000003b0: 9083 0408 013d 0000 =: equal
000003b8: bc83 0408 585b 39c3 popl %eax; popl %ebx; cmpl %eax,%ebx
000003c0: 0f94 c00f b6c0 50ad setl %al; movzbl %al, %eax; pushl %eax; next;
000003c8: ff20 0000 0000 0000
000003a8: 8883 0408 013d 0000 =: equal
000003b0: b483 0408 585b 39c3 popl %eax; popl %ebx; cmpl %eax,%ebx
000003b8: 0f94 c00f b6c0 50ad setl %al; movzbl %al, %eax; pushl %eax; next;
000003c0: ff20 0000 0000 0000
000003d0: b083 0408 0176 0000 v: argv
000003d8: dc83 0408 8b05 5c80 movl sp0,%eax;
000003e0: 0408 89c3 83c3 0453 movl %eax,%ebx; addl $4,%ebx; pushl %ebx
000003e8: ff30 adff 2000 0000 pushl (%eax); next;
000003c8: a883 0408 0176 0000 v: argv
000003d0: d483 0408 8b05 5c80 movl sp0,%eax;
000003d8: 0408 89c3 83c3 0453 movl %eax,%ebx; addl $4,%ebx; pushl %ebx
000003e0: ff30 adff 2000 0000 pushl (%eax); next;