Initial commit

engines/glk/alan3/literal.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "glk/alan3/literal.h"
+#include "glk/alan3/types.h"
+#include "glk/alan3/memory.h"
+
+namespace Glk {
+namespace Alan3 {
+
+/* PUBLIC DATA */
+int litCount = 0;
+static LiteralEntry literalTable[100];
+LiteralEntry *literals = literalTable;
+
+
+/* PRIVATE TYPES & DATA */
+
+
+/*+++++++++++++++++++++++++++++++++++++++++++++++++++*/
+
+/*======================================================================*/
+int instanceFromLiteral(int literalIndex) {
+	return literalIndex + header->instanceMax;
+}
+
+/*----------------------------------------------------------------------*/
+void createIntegerLiteral(int integerValue) {
+	litCount++;
+	literals[litCount]._class = header->integerClassId;
+	literals[litCount].type = NUMERIC_LITERAL;
+	literals[litCount].value = integerValue;
+}
+
+/*----------------------------------------------------------------------*/
+void createStringLiteral(char *unquotedString) {
+	litCount++;
+	literals[litCount]._class = header->stringClassId;
+	literals[litCount].type = STRING_LITERAL;
+	literals[litCount].value = toAptr(scumm_strdup(unquotedString));
+}
+
+/*----------------------------------------------------------------------*/
+void freeLiterals() {
+	int i;
+
+	for (i = 0; i <= litCount; i++)
+		if (literals[i].type == STRING_LITERAL && literals[i].value != 0) {
+			deallocate((void *)fromAptr(literals[i].value));
+		}
+	litCount = 0;
+}
+
+
+
+/*======================================================================*/
+int literalFromInstance(int instance) {
+	return instance - header->instanceMax;
+}
+
+} // End of namespace Alan3
+} // End of namespace Glk