size reduction and refactoring

1 files changed, 52 insertions, 0 deletions

diff --git a/libalee/ctype.cpp b/libalee/ctype.cpp
new file mode 100644
index 0000000..a0c8dc1
--- /dev/null
+++ b/libalee/ctype.cpp
@@ -0,0 +1,52 @@
+/**
+ * Alee Forth: A portable and concise Forth implementation in modern C++.
+ * Copyright (C) 2023  Clyne Sullivan <clyne@bitgloo.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "ctype.hpp"
+
+bool isspace(uint8_t c) {
+    return c == ' ' || c == '\t' || c == '\r' || c == '\n';
+}
+
+bool isspace(char c) {
+    return isspace(static_cast<uint8_t>(c));
+}
+
+bool isdigit(uint8_t c) {
+    return c >= '0' && c <= '9';
+}
+
+bool isdigit(char c) {
+    return isdigit(static_cast<uint8_t>(c));
+}
+
+bool isalpha(uint8_t c) {
+    return isupper(c) || (c >= 'a' && c <= 'z');
+}
+
+bool isalpha(char c) {
+    return isalpha(static_cast<uint8_t>(c));
+}
+
+bool isupper(uint8_t c) {
+    return c >= 'A' && c <= 'Z';
+}
+
+bool isupper(char c) {
+    return isupper(static_cast<uint8_t>(c));
+}
+