Add more logging functions

2 files changed, 128 insertions, 3 deletions

diff --git a/src/badlib.h b/src/badlib.h
index f0f71aa..8ce4634 100644
--- a/src/badlib.h
+++ b/src/badlib.h
@@ -928,10 +928,24 @@ log_str(Logger *l, Str str) {
 }
 
 void
+log_byte(Logger *l, u8 b) {
+    assert(l);
+    Buf *buf = &l->buf;
+    sz avail = buf->cap - buf->size;
+    if (avail == 0) {
+        log_flush(l);
+        avail = buf->cap - buf->size;
+        assert(avail > 0);
+    }
+    buf_insert(&l->buf, &b, 1, l->storage);
+}
+
+void
 log_int(Logger *l, sz num) {
+    assert(l);
     u8 tmp[64];
     u8 *end = tmp + sizeof(tmp);
-    u8 *beg = tmp;
+    u8 *beg = end;
     sz t = num > 0 ? num : -num;
     do {
         *--beg = '0' + t % 10;
@@ -946,4 +960,95 @@ log_int(Logger *l, sz num) {
     log_str(l, parsed);
 }
 
+void
+log_hex(Logger *l, sz num, sz zeroes) {
+    assert(l);
+    char char_map[] = "0123456789abcdef";
+    log_str(l, cstr("0x"));
+    u8 tmp[64];
+    zeroes = MIN((sz)sizeof(ptrsize) * 2, zeroes);
+    u8 *end = tmp + sizeof(tmp);
+    u8 *beg = end;
+    sz t = num > 0 ? num : -num;
+    do {
+        *--beg = char_map[t % 16];
+    } while (t /= 16);
+    zeroes -= end - beg;
+    while (zeroes-- > 0) {
+        *--beg = '0';
+    }
+    Str parsed = {
+        .mem = beg,
+        .size = end - beg,
+    };
+    log_str(l, parsed);
+}
+
+void
+log_bin(Logger *l, sz num, sz zeroes) {
+    assert(l);
+    char char_map[] = "01";
+    log_str(l, cstr("0b"));
+    u8 tmp[64];
+    zeroes = MIN((sz)sizeof(ptrsize) * 2, zeroes);
+    u8 *end = tmp + sizeof(tmp);
+    u8 *beg = end;
+    sz t = num > 0 ? num : -num;
+    do {
+        *--beg = char_map[t % 2];
+    } while (t /= 2);
+    zeroes -= end - beg;
+    while (zeroes-- > 0) {
+        *--beg = '0';
+    }
+    Str parsed = {
+        .mem = beg,
+        .size = end - beg,
+    };
+    log_str(l, parsed);
+}
+
+void
+log_float(Logger *l, f64 num, sz precision) {
+    assert(l);
+    if (num == 0x7ff0000000000000L) {
+        log_str(l, cstr("inf"));
+        return;
+    }
+    if (num == 0xfff0000000000000L) {
+        log_str(l, cstr("-inf"));
+        return;
+    }
+    if (num == 0x7ff8000000000000L) {
+        log_str(l, cstr("nan"));
+        return;
+    }
+    if (precision == 0) {
+        num += 0.5;
+        sz integral = num;
+        log_int(l, integral);
+        return;
+    }
+    sz prec = 1;
+    while (precision > 0) {
+        prec *= 10;
+        precision--;
+    }
+    if (num < 0) {
+        log_byte(l, '-');
+        num = -num;
+    }
+    num += 0.5 / prec;
+    sz integral = num;
+    sz fractional = (num - integral) * prec;
+    log_int(l, integral);
+    log_byte(l, '.');
+    for (sz i = prec / 10; i > 1; i /= 10) {
+        if (i > fractional) {
+            log_byte(l, '0');
+        }
+    }
+    log_int(l, fractional);
+}
+
 #endif  // BADLIB_H
diff --git a/src/main.c b/src/main.c
index 945ebe0..b6a0da4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -51,8 +51,28 @@ process_file(Str path) {
     };
     log_str(&logger_info, cstr("<<< "));
     log_int(&logger_info, -1234);
-    // log_str(&logger_info, cstr("processing file: "));
-    // log_str(&logger_info, path);
+    log_str(&logger_info, cstr(" | "));
+    log_hex(&logger_info, (sz)&logger_info, 16);
+    log_str(&logger_info, cstr(" | "));
+    log_hex(&logger_info, 15, 8);
+    log_str(&logger_info, cstr(" | "));
+    log_hex(&logger_info, 16, 8);
+    log_str(&logger_info, cstr(" | "));
+    log_bin(&logger_info, 15, 8);
+    log_str(&logger_info, cstr(" | "));
+    log_bin(&logger_info, 16, 8);
+    log_str(&logger_info, cstr(" | "));
+    log_float(&logger_info, 3.1234, 0);
+    log_str(&logger_info, cstr(" | "));
+    log_float(&logger_info, 3.14, 4);
+    log_str(&logger_info, cstr(" | "));
+    log_float(&logger_info, -0.01415, 8);
+    log_str(&logger_info, cstr(" | "));
+    log_float(&logger_info, (f64)0x7ff0000000000000L, 0);
+    log_str(&logger_info, cstr(" | "));
+    log_float(&logger_info, (f64)0xfff0000000000000L, 0);
+    log_str(&logger_info, cstr(" | "));
+    log_float(&logger_info, (f64)0x7ff8000000000000L, 0);
     log_str(&logger_info, cstr(" >>>"));
     log_str(&logger_info, cstr("\n"));
     log_flush(&logger_info);