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Working on sourceviewer

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This commit is contained in:
id101010
2016-11-14 04:04:57 +01:00
parent 58fd208ef9
commit 364ba5d474
2 changed files with 42 additions and 5 deletions
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45
bfckr.c
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@@ -66,12 +66,46 @@ void die(const char *message)
/* Prints the bf source at the current location */
void print_sourceviewer(bf_code_t *bf)
{
printf("\nSource viewer: \n"
printf("\nSource viewer:\n");
printf("-------------------------------------------------------------\n"); // 62 dashes
if(bf->ip <= 30) { // if there aren't enough instruction characters to print
for(int i = bf->ip; i >= 0; i--) { // print as much instructions as possible
printf("%c", bf->code[i]);
}
for(int i = 30-(bf->ip); i >= 0; i--) { // then fill with whitespaces
printf(" ");
}
}
if(bf->ip > 30) { // if there are enough instruction characters
for(int i = 30; i >= 0; i--) { // print 30 instruction chars before ip
printf("%c", bf->code[i]);
}
}
// print 30 instructions begining at ip
for(size_t i = bf->ip; i < bf->ip + 29; i++) {
if(bf->code[i] == '\n') {
printf(" ");
} else if(bf->code[i] == NULL) {
printf(" ");
} else {
printf("%c", bf->code[i]);
}
}
printf("\n");
printf(" ^ \n");
printf(" ip=%d \n", bf->ip);
printf("-------------------------------------------------------------\n");
/*printf("\nSource viewer: \n"
"-----------------------------------------------------------\n"
"_____________________________>+++++++++++++++[<+>>>>>>>>+++\n"
" ^ \n"
" ip=0 \n"
"-----------------------------------------------------------\n"); // just to get the idea ...
*/
}
/* Prints memory information at the current memory location */
@@ -79,6 +113,8 @@ void print_memoryviewer(bf_code_t *bf)
{
// int pointerlocation = (p - memory)*sizeof(*memory); // find the arrayindex at which the pointer is pointing
printf("\nMemory viewer: \n"
"-----------------------------------------------------------\n"
"000 000 000 000 000 000 001 001 000 000 000 000 000 000 000\n"
@@ -91,7 +127,7 @@ void print_memoryviewer(bf_code_t *bf)
/* Pauses the program flow and prints information */
void bfuck_debugger(bf_code_t *bf) //char *bf_source_input, int instructionpointer)
{
clear(); // clear terminal
//clear(); // clear terminal
printf("[s]: single step [c]: continue\n");
@@ -154,7 +190,7 @@ void bfuck_execute(bf_code_t *bf)
// jump forward to the command after the next ]
loop = 1;
while(loop > 0) { // count nested loops and make sure to get the matching ]
bf->ip = i++;
bf->ip = i++; // save current instruction pointer and increment it
if(bf->code[i] == '[') {
loop++;
}
@@ -172,7 +208,7 @@ void bfuck_execute(bf_code_t *bf)
// jump back to the command after the matching [
loop = 1;
while(loop > 0) { // count nested loops and make sure to get the matching [
bf->ip = i--;
bf->ip = i--; // save current instruction pointer and increment it
if(bf->code[i] == '[') {
loop--;
}
@@ -226,6 +262,7 @@ int main(int argc, char* argv[])
// close file after reading
fclose(fp);
bfuck_debugger(&bf);
// try to interpret it
bfuck_execute(&bf);

2
examples/pi.bf
View File

@@ -1,4 +1,4 @@
> +++++ +++++ +++++ (15 digits)
> +++++ +++++ +++++
[<+>>>>>>>>++++++++++<<<<<<<-]>+++++[<+++++++++>-]+>>>>>>+[<<+++[>>[-<]<[>]<-]>>
[>+>]<[<]>]>[[->>>>+<<<<]>>>+++>-]<[<<<<]<<<<<<<<+[->>>>>>>>>>>>[<+[->>>>+<<<<]>