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Added hex output

This commit is contained in:
Devine Lu Linvega 2024-05-13 12:32:44 -07:00
parent 549d7d5218
commit f7a2b49120
3 changed files with 31 additions and 9 deletions
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5
examples/binary.modal Normal file
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@ -0,0 +1,5 @@
?(?: ?:) \#48
?(?: ?:) \101
?(?: ?:) \#6c
?(?: ?:) \108
?(?: ?:) \#6f

2
makefile
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@ -10,7 +10,7 @@ dest:
run: all bin/modal run: all bin/modal
@ bin/modal -q examples/hello.modal @ bin/modal -q examples/hello.modal
debug: all bin/modal-debug debug: all bin/modal-debug
@ bin/modal-debug -a examples/unicode.modal @ bin/modal-debug -a examples/binary.modal
test: all bin/modal-debug bin/modal test: all bin/modal-debug bin/modal
@ bin/modal -v @ bin/modal -v
@ bin/modal-debug -q examples/fizzbuzz.modal @ bin/modal-debug -q examples/fizzbuzz.modal

33
src/modal.c
View File

@ -21,14 +21,14 @@ copy(char *src, char *dst, int length)
return dst; return dst;
} }
static int int
sint(char *s) chex(char c)
{ {
char c; c -= 0x30;
int r = 0, n = 1; if(c < 10) return c;
if(*s == '-') { n = -1, s++; } c -= 0x31;
while((c = *s++) && !spacer(c)) r = r * 10 + c - '0'; if(c < 6) return 10 + c;
return r * n; return 0;
} }
static char * static char *
@ -47,6 +47,21 @@ walk(char *s)
return s; return s;
} }
static int
sint(char *s)
{
char c = *s, *cap = walk(s);
int r = 0, n = 1;
if(c == '#') {
s++;
while((c = *s) && s++ < cap) r = (r << 4) | chex(c);
return r;
}
if(c == '-') { n = -1, s++; }
while((c = *s) && s++ < cap) r = r * 10 + c - '0';
return r * n;
}
static void static void
device_write(char *s) device_write(char *s)
{ {
@ -83,7 +98,9 @@ device_write(char *s)
case 't': putc(0x09, stdout); break; case 't': putc(0x09, stdout); break;
case 'n': putc(0x0a, stdout); break; case 'n': putc(0x0a, stdout); break;
case 's': putc(0x20, stdout); break; case 's': putc(0x20, stdout); break;
default: putc(sint(--s), stdout), s = walk(s);
} }
} else } else
putc(c, stdout); putc(c, stdout);
} }
@ -314,7 +331,7 @@ main(int argc, char **argv)
return !printf("usage: modal [-vqn] source.modal\n"); return !printf("usage: modal [-vqn] source.modal\n");
for(i = 1; i < argc && *argv[i] == '-'; i++) { for(i = 1; i < argc && *argv[i] == '-'; i++) {
switch(argv[i][1]) { switch(argv[i][1]) {
case 'v': /* version */ return !printf("Modal Interpreter, 10 May 2024.\n"); case 'v': /* version */ return !printf("Modal Interpreter, 13 May 2024.\n");
case 'q': /* quiet */ quiet = 1; break; case 'q': /* quiet */ quiet = 1; break;
case 'p': /* debug */ debug = 1; break; case 'p': /* debug */ debug = 1; break;
case 'a': /* access */ access = 1; break; case 'a': /* access */ access = 1; break;