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|
#
# @LANG: asm
# @FILTER: sort
#
%%{
machine AtoI;
action begin {
# neg = 0;
# val = 0;
movl $0, neg(%rip)
movq $0, val(%rip)
}
action see_neg {
# neg = 1;
movl $1, neg(%rip)
}
action add_digit {
# val = val * 10 + (fc - 48);
movq val(%rip), %rax
imul $10, %rax
movsbq (%r12), %rcx
subq $48, %rcx
add %rcx, %rax
movq %rax, val(%rip)
}
action finish {
#if (neg)
#{
# val = - 1 * val;
#}
movl neg(%rip), %eax
cmpl $0, %eax
je .finish_L
movq val(%rip), %rax
negq %rax
movq %rax, val(%rip)
.finish_L:
}
action print1 {
#printf ("%ld", val);
#fputs ("\n", stdout);
movl $.L_fmt_i_nl, %edi
movq val(%rip), %rsi
movl $0, %eax
call printf
}
action print2 {
movl $.L_saw, %edi
call puts
}
atoi =
(('-' @ see_neg | '+') ?
(digit @ add_digit) +) > begin %finish;
# Using the expectation of the second newline to trigger backtracking.
main1 = atoi '\n' @print1 '\n';
main2 = [0-9]* '00000000' [0-9]* '\n' @print2 'X';
main |= (5, 0) main1 | main2;
}%%
.file "tmp.c"
.comm neg,4,4
.comm val,8,8
.comm cs,4,4
.section .rodata
%% write data;
.L_fmt_i_nl:
.string "%ld\n"
.L_marker:
.string "marker\n"
.L_saw:
.string "saw 80808080"
.text
.globl init
.type init, @function
init:
.LFB0:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
movq $0, val(%rip)
movl $0, neg(%rip)
%% write init;
movq %r11, cs(%rip)
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE0:
.size init, .-init
.section .rodata
.LC0:
.string "%i"
.text
.globl exec
.type exec, @function
exec:
.LFB1:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $96, %rsp
pushq %r12
pushq %r13
movq nfa_bp@GOTPCREL(%rip), %rax
movq %rax, -80(%rbp)
movq $0, -88(%rbp)
movq cs(%rip), %r11
movq %rdi, %r12
movq %rsi, %r13
%% write exec;
movq %r11, cs(%rip)
popq %r13
popq %r12
.LRET:
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE1:
.size exec, .-exec
.section .rodata
.LC1:
.string "-> ACCEPT"
.LC2:
.string "-> FAIL"
.text
.globl finish
.type finish, @function
finish:
.LFB2:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
movq cs@GOTPCREL (%rip), %rdx
movl (%rdx), %edx
movl $4, %eax
cmpl %eax, %edx
jl .L36
movl $.LC1, %edi
# call puts
jmp .L35
.L36:
movl $.LC2, %edi
call puts
.L35:
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE2:
.size finish, .-finish
.globl inp
.section .rodata
.LC3:
.string "1\n\n"
.LC4:
.string "12\n\n"
.LC45:
.string "1002000000002\nX",
.LC5:
.string "222222\n\n"
.LC6:
.string "+2123\n\n"
.LC7:
.string "-99\n\n"
.LC8:
.string "-12321\n\n"
.LC9:
.string "213 3213\n\n"
.LC10:
.string "--123\n\n"
.LC11:
.string " -3000\n\n"
.data
.align 32
.type inp, @object
.size inp, 72
inp:
.quad .LC3
.quad .LC4
.quad .LC45
.quad .LC5
.quad .LC6
.quad .LC7
.quad .LC8
.quad .LC9
.quad .LC10
.quad .LC11
.globl inplen
.align 4
.type inplen, @object
.size inplen, 4
inplen:
.long 10
.text
.globl main
.type main, @function
main:
.LFB3:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $16, %rsp
movl $0, -4(%rbp)
jmp .L39
.L40:
movl $0, %eax
call init
movl -4(%rbp), %eax
cltq
movq inp(,%rax,8), %rax
movq %rax, %rdi
call strlen
movl %eax, %edx
movl -4(%rbp), %eax
cltq
movq inp(,%rax,8), %rax
movslq %edx, %rsi
addq %rax, %rsi
movq %rax, %rdi
call exec
movl $0, %eax
call finish
addl $1, -4(%rbp)
.L39:
movl inplen(%rip), %eax
cmpl %eax, -4(%rbp)
jl .L40
movl $0, %eax
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE3:
.size main, .-main
.bss
.align 16
.type nfa_len, @object
.size nfa_len, 8
nfa_len:
.zero 8
.comm nfa_bp,16384,32
.ident "GCC: (Ubuntu 4.8.2-19ubuntu1) 4.8.2"
.section .note.GNU-stack,"",@progbits
##### OUTPUT #####
1
1002000000002
12
-12321
2123
222222
-99
-> FAIL
-> FAIL
-> FAIL
saw 80808080
|
