1 files changed, 51 insertions, 0 deletions
diff --git a/src/lib/symtab.c b/src/lib/symtab.c
new file mode 100644
index 0000000..d81414d
--- /dev/null
+++ b/src/lib/symtab.c
@@ -0,0 +1,51 @@
+/* 
+ * Copyright (C) 2026 Peter Mikkelsen <petermikkelsen10@gmail.com>
+ *
+ * This file is part of aplwc.
+ *
+ * Aplwc is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Aplwc 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with aplwc.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "aplwc_internal.h"
+
+enum aplwc_rc
+getsym(struct aplwc *aplwc, struct string *string, symbol_t *id)
+{
+	static symbol_t next_id;
+	struct symbol *sym;
+	enum aplwc_rc rc;
+
+	MEMPTRS(aplwc, 1);
+
+	rc = APLWC_OK;
+	for(sym = aplwc->symtab; sym; sym = sym->link){
+		if(string_compare(sym->text, string) == 0)
+			goto end;
+	}
+
+	MEMPTR(0, string);
+	if((sym = memory_alloc_symbol(aplwc)) == NULL){
+		rc = aplwc->last_error;
+		goto end;
+	}
+	sym->id = next_id++;
+	sym->text = string;
+	sym->link = aplwc->symtab;
+	aplwc->symtab = sym;
+
+end:
+	*id = sym->id;
+	MEMPTRS_EXIT(aplwc);
+	return rc;
+}