--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/parser.cxx Fri Jul 13 17:20:51 2012 +0300
@@ -0,0 +1,139 @@
+/*
+ * 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 Skulltag Development Team 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "common.h"
+#include "str.h"
+#include "objwriter.h"
+#include "scriptreader.h"
+
+#define TOKEN_CHARS token.chars()
+#define TOKEN_IS(s) !token.compare (s)
+#define MUST_TOPLEVEL if (curmode != MODE_TOPLEVEL) \
+ ParseError ("%ss may only be defined at top level!", token.chars());
+
+void ScriptReader::BeginParse (ObjWriter* w) {
+ // Script starts at top level
+ curmode = MODE_TOPLEVEL;
+ curstate = "";
+
+ while (Next()) {
+ printf ("got token %s\n", (char*)token);
+ if (TOKEN_IS ("state")) {
+ MUST_TOPLEVEL
+
+ MustNext ();
+
+ str statename = token;
+
+ // State name must be a word.
+ if (statename.first (" ") != statename.len())
+ ParseError ("state name must be a single word! got `%s`", (char*)statename);
+
+
+ // Must end in a colon
+ MustNext (":");
+
+ w->WriteState (statename);
+ curstate = statename;
+ } else if (TOKEN_IS ("event")) {
+ MUST_TOPLEVEL
+
+ // Event definition
+ MustNext ();
+
+ // TODO: make a data file for bot events and read it
+#if 0
+ unsigned int u;
+ for (u = 0; u < NUM_BOTEVENTS; u++) {
+ if (!BotEvents[u].name.compare (token))
+ break;
+ }
+
+ if (u == NUM_BOTEVENTS)
+ ParseError ("bad event! got `%s`\n", token.chars());
+
+#endif
+
+ MustNext ("{");
+
+ curmode = MODE_EVENT;
+
+ w->Write (DH_EVENT);
+ // w->Write<long> (u);
+ numevents++;
+ } else if (TOKEN_IS ("}")) {
+ // Closing brace..
+ switch (curmode) {
+ case MODE_EVENT:
+ // Brace closes event.
+ w->Write (DH_ENDEVENT);
+ curmode = MODE_TOPLEVEL;
+ break;
+ default:
+ ParseError ("unexpected `}`");
+ }
+ } else {
+ ParseError ("unknown keyword `%s`!", TOKEN_CHARS);
+ }
+ }
+
+ if (curmode != MODE_TOPLEVEL)
+ ParseError ("script did not end at top level! did you forget a `}`?\n");
+
+ /*
+ // State
+ w->WriteState ("stateSpawn");
+
+ w->Write (DH_ONENTER);
+ w->Write (DH_ENDONENTER);
+
+ w->Write (DH_MAINLOOP);
+ w->Write (DH_ENDMAINLOOP);
+
+ w->Write (DH_EVENT);
+ w->Write (BOTEVENT_PLAYER_FIREDSSG);
+ w->Write (DH_COMMAND);
+ w->Write (BOTCMD_BEGINJUMPING);
+ w->Write (0);
+ w->Write (DH_ENDEVENT);
+ */
+}