--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/variables.cxx Fri Jan 10 16:11:49 2014 +0200
@@ -0,0 +1,106 @@
+/*
+ * botc source code
+ * Copyright (C) 2012 Santeri `Dusk` Piippo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of the developer nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 4. Redistributions in any form must be accompanied by information on how to
+ * obtain complete source code for the software and any accompanying
+ * software that uses the software. The source code must either be included
+ * in the distribution or be available for no more than the cost of
+ * distribution plus a nominal fee, and must be freely redistributable
+ * under reasonable conditions. For an executable file, complete source
+ * code means the source code for all modules it contains. It does not
+ * include source code for modules or files that typically accompany the
+ * major components of the operating system on which the executable file
+ * runs.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define __VARIABLES_CXX__
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "common.h"
+#include "array.h"
+#include "bots.h"
+#include "botcommands.h"
+#include "objwriter.h"
+#include "stringtable.h"
+#include "variables.h"
+#include "scriptreader.h"
+
+array<ScriptVar> g_GlobalVariables;
+array<ScriptVar> g_LocalVariables;
+
+// ============================================================================
+// Tries to declare a new global-scope variable. Returns pointer
+// to new global variable, NULL if declaration failed.
+ScriptVar* DeclareGlobalVariable (ScriptReader* r, type_e type, str name) {
+ // Unfortunately the VM does not support string variables so yeah.
+ if (type == TYPE_STRING)
+ r->ParserError ("variables cannot be string\n");
+
+ // Check that the variable is valid
+ if (FindCommand (name))
+ r->ParserError ("name of variable-to-be `%s` conflicts with that of a command", name.chars());
+
+ if (IsKeyword (name))
+ r->ParserError ("name of variable-to-be `%s` is a keyword", name.chars());
+
+ if (g_GlobalVariables.size() >= MAX_SCRIPT_VARIABLES)
+ r->ParserError ("too many global variables!");
+
+ for (uint i = 0; i < g_GlobalVariables.size(); i++)
+ if (g_GlobalVariables[i].name == name)
+ r->ParserError ("attempted redeclaration of global variable `%s`", name.chars());
+
+ ScriptVar g;
+ g.index = g_GlobalVariables.size();
+ g.name = name;
+ g.statename = "";
+ g.value = 0;
+ g.type = type;
+
+ g_GlobalVariables << g;
+ return &g_GlobalVariables[g.index];
+}
+
+// ============================================================================
+// Find a global variable by name
+ScriptVar* FindGlobalVariable (str name) {
+ for (uint i = 0; i < g_GlobalVariables.size(); i++) {
+ ScriptVar* g = &g_GlobalVariables[i];
+ if (g->name == name)
+ return g;
+ }
+
+ return NULL;
+}
+
+// ============================================================================
+// Count all declared global variables
+uint CountGlobalVars () {
+ return g_GlobalVariables.size();
+}
\ No newline at end of file