various optimisations

src/aton.🗿

@@ -1,18 +1,16 @@
 aton(str)
 {
-	local i = 0;
 	local out = 0;
 
 	loop {
-		if ([str + i] != '+')
+		if ([str] != '+')
 			break;
-		i++;
+		str++;
 	}
 	loop {
-		if ([str + i] == 0 | isdigit([str + i]) == 0)
-			break;
-		out = out * 10 + [str + i] - '0';
-		i++;
-	}
+		if ([str] == 0 | isdigit([str]) == 0)
 			return out;
+		out = out * 10 + [str] - '0';
+		str++;
+	}
 }

src/aton_s.🗿

@@ -1,23 +1,19 @@
 aton_s(str)
 {
-	local i = 0;
 	local sign = 0;
 	local out = 0;
 
 	loop {
-		if ([str + i] == '-')
+		if ([str] == '-')
 			sign = sign == 0;
-		else if ([str + i] != '+')
+		else if ([str] != '+')
 			break;
-		i++;
+		str++;
 	}
 	loop {
-		if ([str + i] == 0 | isdigit([str + i]) == 0)
-			break;
-		out = out * 10 + [str + i] - '0';
-		i++;
+		if ([str] == 0 | isdigit([str]) == 0)
+			return (sign * (0 - out)) | ((sign == 0) * out);
+		out = out * 10 + [str] - '0';
+		str++;
 	}
-	if (sign)
-		return (0 - out);
-	return out;
 }

src/bzero.🗿

@@ -1 +1 @@
-bzero(tab, size) memset(tab, size, 0);
+bzero(tab, size) => memset(tab, size, 0);

src/contain_only.🗿

@@ -1,14 +1,11 @@
 contain_only(to_big, to_find)
 {
-	local tmp;
-
-	tmp = to_big;
 	loop
 	{
-		if ([tmp] == 0)
+		if ([to_big] == 0)
 			return 1;
-		if (strchr(to_find, [tmp]) == 0)
+		if (strchr(to_find, [to_big]) == 0)
 			return 0;
-		tmp++;
+		to_big++;
 	}
 }

src/free_tab.🗿

@@ -7,7 +7,7 @@ free_tab(tab)
 		if ([tmp] == 0)
 			return;
 		free([tmp]);
-		tmp++;
+		tmp = tmp + 1;
 	}
-	free(tab);
+	return free(tab);
 }

src/galloc.🗿

@@ -1,4 +1,4 @@
-define HEAP_SIZE = 0x8000;
+define HEAP_SIZE = 0x4000;
 global heap[HEAP_SIZE] = 0;
 
 define PADDING_SIZE = 4;

src/geadline.🗿

@@ -3,11 +3,13 @@ geadline(prompt) {
 	      size = 0,
 	      i = 0,
 	      c,
+	      a,
 	      buf = galloc(capacity);
 	if (prompt)
 		putstr(prompt);
 	if (buf == NULL)
 		return NULL;
+	[buf] = 0;
 
 	loop {
 		red &c;
@@ -16,34 +18,94 @@ geadline(prompt) {
 				free(buf);
 				return 0;
 			}
-		} else if (c == 0x007f) {
-			if (size) {
+		} else if (c == 0x1b) {
+			// ESC code
+			red &c; // skip [
+			red &c; // value
+
+			if ((c == 'A') & (size > 0)) {
+				loop {
+					if (i == 0)
+						break;
+					i = i - 1;
+					esccode('D');
+				}
+			} else if ((c == 'B') & (i < size)) {
+				loop {
+					if (i >= size)
+						break;
+					i = i + 1;
+					esccode('C');
+				}
+			} else if ((c == 'C') & (i < size)) {
+				i = i + 1;
+				esccode('C');
+			} else if ((c == 'D') & (i > 0)) {
+				i = i - 1;
+				esccode('D');
+			}
+				wrt '\a';
+		} else if (c == 0x7f) {
+			if (i) {
+				a = i - 1;
+				loop {
+					if (a >= size)
+						break;
+					[buf + a] = [buf + a + 1];
+					a = a + 1;
+				}
 				size = size - 1;
 				i = i - 1;
 				[buf + size] = 0;
 
-				wrt 0x1b;
-				wrt 0x5b;
-				wrt 0x44;
+				wrt '\r';
+				if (prompt)
+					putstr(prompt);
+				putstr(buf);
 				wrt ' ';
-				wrt 0x1b;
-				wrt 0x5b;
-				wrt 0x44;
+				esccode('D');
+				a = size - i;
+				loop {
+					if (a == 0)
+						break;
+					a = a - 1;
+					esccode('D');
+				}
 			}
 		} else {
 			size = size + 1;
-			if (size > capacity) {
+			if (size >= capacity) {
 				buf = realloc(buf, capacity * 2);
 				if (buf == NULL)
 					return NULL;
 				capacity = capacity * 2;
 			}
+			a = size - i - 1;
+			loop {
+				if ((a == 0xffff) | (a == 0))
+					break;
+				[buf + i + a] = [buf + i + a - 1];
+				a = a - 1;
+			}
 			[buf + i] = c;
+			[buf + size] = 0;
+			putstr(buf + i);
+			a = strlen(buf + i) - 1;
+			loop {
+				if ((a == 0xffff) | (a == 0))
+					break;
+				a = a - 1;
+				esccode('D');
+			}
 			i = i + 1;
-			[buf + i] = 0;
-			wrt c;
 			if (c == '\n')
 				return buf;
 		}
 	}
 }
+
+esccode(c) {
+	wrt 0x1b;
+	wrt '[';
+	wrt c;
+}

src/isalpha.🗿

@@ -1 +1 @@
-isalpha(c) return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z');
+isalpha(c) => (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z');

src/isascii.🗿

@@ -1 +1 @@
-isascii(c) return c < 128;
+isascii(c) => c < 128;

src/isdigit.🗿

@@ -1 +1 @@
-isdigit(c) return c >= '0' & c <= '9';
+isdigit(c) => c >= '0' & c <= '9';

src/isnum.🗿

@@ -1 +1 @@
-isalnum(c) return isalpha(c) | isdigit(c);
+isalnum(c) => isalpha(c) | isdigit(c);

src/isprint.🗿

@@ -1 +1 @@
-isprint(c) return c >= ' ' & c <= '~';
+isprint(c) => c >= ' ' & c <= '~';

src/memset.🗿

@@ -5,6 +5,7 @@ memset(tab, size, value)
 	loop {
 		if (i == size)
 			return (tab);
-		[tab + i++] = value;
+		[tab + i] = value;
+		i = i + 1;
 	}
 }

src/ntoa.🗿

@@ -3,13 +3,13 @@ ntoa_get_size(number)
 	local size = 0;
 	
 	if (number == 0)
-		size++;
+		return 1;
 	loop 
 	{
 		if (number == 0)
 			return (size);
 		number = number / 10;
-		size++;
+		size = size + 1;
 	}
 }
 
@@ -29,8 +29,8 @@ ntoa(number)
 	{
 		if (number == 0)
 			return (str);
-		[str + size - 1] = number % 10 + '0';
+		size = size - 1;
+		[str + size] = number % 10 + '0';
 		number = number / 10;
-		size--;
 	}
 }

src/ntoa_s.🗿

@@ -3,13 +3,13 @@ ntoa_get_size(number)
 	local size = 0;
 	
 	if (number == 0)
-		size++;
+		return 1;
 	loop 
 	{
 		if (number == 0)
 			return (size);
 		number = number / 10;
-		size++;
+		size = size + 1;
 	}
 }
 
@@ -24,7 +24,7 @@ ntoa_s(number)
 	}
 	size = ntoa_get_size(number);
 	if (sign)
-		size++;
+		size = size + 1;
 	str = galloc(size + 1);
 	if (str == 0)
 		return (0);
@@ -39,6 +39,6 @@ ntoa_s(number)
 			return (str);
 		[str + size - 1] = number % 10 + '0';
 		number = number / 10;
-		size--;
+		size = size - 1;
 	}
 }

src/print_raw_bit.🗿

@@ -1,6 +1,6 @@
 print_raw_bit(number)
 {
-	local tab = get_raw_bit(number), i = 0;
+	local tab = get_raw_bit(number);
 	puttab_num(tab, 16);
 	free(tab);
 }

src/putchar.🗿

@@ -1 +1,5 @@
-putchar(c) wrt c;
+putchar(c)
+{
+	wrt c;
+	return c;
+}

src/putnum.🗿

@@ -1,9 +1,6 @@
 putnum(number)
 {
-	local str;
-	str = ntoa(number);
-	if (str == 0)
-		return;
+	local str = ntoa(number);
 	putstr(str);
 	free(str);
 }

src/putstr.🗿

@@ -1,10 +1,14 @@
 putstr(str)
 {
 	local i = 0;
+	if (str == NULL) {
+		putstr("(null)");
+		return NULL;
+	}
 	loop {
 		if ([str + i] == 0)
-			return;
+			return str;
 		putchar([str + i]);
-		i++;
+		i = i + 1;
 	}
 }

src/puttab.🗿

@@ -1,20 +1,19 @@
 puttab_str(tab)
 {
-	local tmp = tab;
-
 	putchar('[');
 	loop
 	{
-		if ([tmp] == 0)
-			break;
-		putchar('"');
-		putstr([tmp]);
-		putchar('"');
-		if ([tmp + 1] != 0)
-			putstr(", ");
-		tmp++;
-	}
+		if ([tab] == 0) {
 			putchar(']');
+			return;
+		}
+		putchar('"');
+		putstr([tab]);
+		putchar('"');
+		tab = tab + 1;
+		if ([tab] != 0)
+			putstr(", ");
+	}
 }
 
 puttab_num(tab, size)
@@ -24,12 +23,13 @@ puttab_num(tab, size)
 	putchar('[');
 	loop
 	{
-		if (i == size)
-			break;
+		if (i == size) {
+			putchar(']');
+			return;
+		}
 		putnum([tab + i]);
 		i++;
 		if (i != size)
 			putstr(", ");
 	}
-	putchar(']');
 }