added ThrowError() a la amxmodx's abort()

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40566

core/msvc8/sourcemod_mm.vcproj

@@ -681,6 +681,10 @@
 				RelativePath="..\smn_console.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\smn_core.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\smn_datapacks.cpp"
 				>

core/smn_core.cpp

@@ -0,0 +1,35 @@
+/**
+ * ===============================================================
+ * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.
+ * ===============================================================
+ *
+ * This file is not open source and may not be copied without explicit
+ * written permission of AlliedModders LLC.  This file may not be redistributed 
+ * in whole or significant part.
+ * For information, see LICENSE.txt or http://www.sourcemod.net/license.php
+ *
+ * Version: $Id$
+ */
+
+#include "sm_globals.h"
+#include "sourcemod.h"
+
+static cell_t ThrowError(IPluginContext *pContext, const cell_t *params)
+{
+	char buffer[512];
+
+	g_SourceMod.FormatString(buffer, sizeof(buffer), pContext, params, 1);
+
+	if (pContext->GetContext()->n_err == SP_ERROR_NONE)
+	{
+		pContext->ThrowNativeErrorEx(SP_ERROR_ABORTED, "%s", buffer);
+	}
+
+	return 0;
+}
+
+REGISTER_NATIVES(coreNatives)
+{
+	{"ThrowError",			ThrowError},
+	{NULL,					NULL},
+};

core/vm/sp_vm_engine.cpp

@@ -31,7 +31,7 @@
 
 using namespace SourcePawn;
 
-#define ERROR_MESSAGE_MAX		23
+#define ERROR_MESSAGE_MAX		25
 static const char *g_ErrorMsgTable[] = 
 {
 	NULL,
@@ -59,6 +59,7 @@ static const char *g_ErrorMsgTable[] =
 	"Maximum number of parameters reached",
 	"Native detected error",
 	"Plugin not runnable",
+	"Call was aborted",
 };
 
 SourcePawnEngine::SourcePawnEngine()

plugins/include/sourcemod.inc

@@ -37,7 +37,6 @@ struct Plugin
 #include <bitbuffer>
 #include <sorting>
 #include <clients>
-#include <entity>
 
 /**
  * Declare this as a struct in your plugin to expose its information.
@@ -106,6 +105,18 @@ forward OnGameFrame();
  */
 native Handle:GetMyHandle();
 
+
+/**
+ * Aborts the current callback and throws an error.  This function
+ * does not return in that no code is executed following it.
+ *
+ * @param format		String format.
+ * @param ...			Format arguments.
+ * @noreturn
+ * @error				Always!
+ */
+native ThrowError(const String:fmt[], {Handle,Float,String,_}:...);
+
 /**
  * Logs a generic message to the HL2 logs.
  *
@@ -210,3 +221,4 @@ native GetCurrentMap(String:buffer[], maxlength);
 
 #include <usermessages>
 #include <helpers>
+#include <entity>

public/sourcepawn/sp_vm_types.h

@@ -62,6 +62,7 @@ typedef uint32_t	funcid_t;			/**< Function index code */
 #define SP_ERROR_PARAMS_MAX				22	/**< Maximum number of parameters reached */
 #define SP_ERROR_NATIVE					23	/**< Error originates from a native */
 #define SP_ERROR_NOT_RUNNABLE			24	/**< Function or plugin is not runnable */
+#define SP_ERROR_ABORTED				25	/**< Function call was aborted */
 //Hey you! Update the string table if you add to the end of me! */
 
 /**********************************************