Data update
This commit is contained in:
Ingy döt Net
parent
81fd053722
commit
52a6ef48dd
10248 changed files with 63654 additions and 6775 deletions
189
Task/Strip-block-comments/ARM-Assembly/strip-block-comments.arm
Normal file
189
Task/Strip-block-comments/ARM-Assembly/strip-block-comments.arm
Normal file
|
|
@ -0,0 +1,189 @@
|
|||
/* ARM assembly Raspberry PI */
|
||||
/* program Strip block comments */
|
||||
|
||||
/* REMARK 1 : this program use routines in a include file
|
||||
see task Include a file language arm assembly
|
||||
for the routine affichageMess conversion10
|
||||
see at end of this program the instruction include */
|
||||
|
||||
/*******************************************/
|
||||
/* Constantes */
|
||||
/*******************************************/
|
||||
.include "../constantes.inc"
|
||||
.equ BUFFERSIZE, 200
|
||||
|
||||
/*******************************************/
|
||||
/* macros */
|
||||
/*******************************************/
|
||||
//.include "../../ficmacros32.inc" @ for developper debugging
|
||||
|
||||
/*********************************/
|
||||
/* Initialized data */
|
||||
/*********************************/
|
||||
.data
|
||||
szMessDebutPgm: .asciz "Program 32 bits start. \n"
|
||||
szCarriageReturn: .asciz "\n"
|
||||
szMessFinOK: .asciz "Program normal end. \n"
|
||||
szMessBufferError: .asciz "Error : Buffer too small !!\n"
|
||||
|
||||
szStartComm: .asciz "/*"
|
||||
szEndComm: .asciz "*/"
|
||||
szString1: .asciz "/**
|
||||
* Some comments
|
||||
* longer comments here that we can parse.
|
||||
*
|
||||
* Rahoo
|
||||
*/
|
||||
function subroutine() {
|
||||
a = /* inline comment */ b + c ;
|
||||
}
|
||||
/*/ <-- tricky comments */
|
||||
|
||||
/**
|
||||
* Another comment.
|
||||
*/
|
||||
function something() {
|
||||
}"
|
||||
|
||||
szString2: .asciz "/* toto */tutu/*truc*/etc"
|
||||
.align 4
|
||||
/*********************************/
|
||||
/* UnInitialized data */
|
||||
/*********************************/
|
||||
.bss
|
||||
sBuffer: .skip BUFFERSIZE
|
||||
.align 4
|
||||
|
||||
/*********************************/
|
||||
/* code section */
|
||||
/*********************************/
|
||||
.text
|
||||
.global main
|
||||
main:
|
||||
ldr r0,iAdrszMessDebutPgm
|
||||
bl affichageMess @ start message
|
||||
|
||||
ldr r0,iAdrszString1
|
||||
ldr r1,iAdrszStartComm
|
||||
ldr r2,iAdrszEndComm
|
||||
ldr r3,iAdrsBuffer
|
||||
mov r4,#BUFFERSIZE
|
||||
bl suppComment
|
||||
ldr r0,iAdrsBuffer
|
||||
bl affichageMess
|
||||
ldr r0,iAdrszCarriageReturn
|
||||
bl affichageMess
|
||||
|
||||
ldr r0,iAdrszMessFinOK
|
||||
bl affichageMess
|
||||
|
||||
100:
|
||||
mov r7,#EXIT @ program end
|
||||
svc #0 @ system call
|
||||
iAdrszMessDebutPgm: .int szMessDebutPgm
|
||||
iAdrszMessFinOK: .int szMessFinOK
|
||||
iAdrszCarriageReturn: .int szCarriageReturn
|
||||
iAdrszMessBufferError: .int szMessBufferError
|
||||
iAdrszString1: .int szString1
|
||||
iAdrszString2: .int szString2
|
||||
iAdrszStartComm: .int szStartComm
|
||||
iAdrszEndComm: .int szEndComm
|
||||
iAdrsBuffer: .int sBuffer
|
||||
/******************************************************************/
|
||||
/* test execution */
|
||||
/******************************************************************/
|
||||
/* r0 contains string address */
|
||||
/* r1 contains start comment address */
|
||||
/* r2 contains end comment address */
|
||||
/* r3 contains buffer address */
|
||||
/* r4 contains buffer length */
|
||||
suppComment:
|
||||
push {r1-r10,lr} @ save registers
|
||||
mov r5,#0 @ indice string
|
||||
mov r6,#0 @ indice start comment
|
||||
mov r7,#0 @ comment
|
||||
mov r8,#0 @ indice write buffer
|
||||
1:
|
||||
ldrb r9,[r1,r6] @ load first byte of comment start
|
||||
2:
|
||||
ldrb r10,[r0,r5] @ load byte string
|
||||
cmp r10,#0 @ end string ?
|
||||
beq 20f
|
||||
cmp r7,#1 @ comment
|
||||
beq 6f
|
||||
cmp r10,r9 @ compare first byte and byte string
|
||||
bne 5f
|
||||
3:
|
||||
add r6,r6,#1
|
||||
ldrb r9,[r1,r6] @ load oher byte of comment start
|
||||
cmp r9,#0
|
||||
beq 4f @ end comment ?
|
||||
strb r10,[r3,r8] @ store byte in buffer
|
||||
add r8,r8,#1
|
||||
cmp r8,r4 @ error size buffer ?
|
||||
bge 99f
|
||||
add r5,r5,#1 @ load byte string
|
||||
ldrb r10,[r0,r5]
|
||||
cmp r10,#0 @ end string ?
|
||||
beq 20f
|
||||
cmp r10,r9 @ compare byte
|
||||
beq 3b @ loop other char start comment
|
||||
strb r10,[r3,r8] @ else store char string
|
||||
add r8,r8,#1
|
||||
cmp r8,r4 @ end buffer ?
|
||||
bge 99f
|
||||
add r5,r5,#1 @ increment indice string
|
||||
mov r6,#0 @ raz indice start comment
|
||||
b 1b
|
||||
4: @ start comment found
|
||||
sub r6,r6,#1
|
||||
sub r8,r8,r6 @ supp write byte buffer
|
||||
mov r7,#1 @ comment
|
||||
add r5,r5,#1 @ increment indice string
|
||||
b 2b @ and loop
|
||||
5: @ bytes inequals
|
||||
strb r10,[r3,r8] @ store char string
|
||||
add r8,r8,#1
|
||||
cmp r8,r4 @ end buffer ?
|
||||
bge 99f
|
||||
add r5,r5,#1 @ increment indice string
|
||||
b 2b @ and loop
|
||||
6: @ is comment
|
||||
mov r6,#0
|
||||
8:
|
||||
ldrb r9,[r2,r6] @ load end comment first char
|
||||
9:
|
||||
cmp r10,r9 @ equal byte string ?
|
||||
bne 10f
|
||||
add r5,r5,#1
|
||||
ldrb r10,[r0,r5] @ load other byte
|
||||
cmp r10,#0 @ end string
|
||||
beq 20f
|
||||
add r6,r6,#1
|
||||
ldrb r9,[r2,r6] @ load other byte end comment
|
||||
cmp r9,#0 @ end end comment ?
|
||||
bne 9b @ no -> loop
|
||||
@ comment end
|
||||
mov r7,#0 @ raz comment
|
||||
mov r6,#0 @ raz indice start comment
|
||||
b 1b
|
||||
10: @ comment not end
|
||||
add r5,r5,#1
|
||||
b 2b
|
||||
|
||||
20:
|
||||
mov r10,#0 @ final zero
|
||||
strb r10,[r3,r8] @ store char string
|
||||
b 100f
|
||||
|
||||
99: @ error
|
||||
ldr r0,iAdrszMessBufferError
|
||||
bl affichageMess
|
||||
mov r0,#-1
|
||||
100:
|
||||
pop {r1-r10,pc}
|
||||
|
||||
/***************************************************/
|
||||
/* ROUTINES INCLUDE */
|
||||
/***************************************************/
|
||||
.include "../affichage.inc"
|
||||
Loading…
Add table
Add a link
Reference in a new issue