C4ScriptStandalone.cpp

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/*
 * OpenClonk, http://www.openclonk.org
 *
 * Copyright (c) 2011-2016, The OpenClonk Team and contributors
 *
 * Distributed under the terms of the ISC license; see accompanying file
 * "COPYING" for details.
 *
 * "Clonk" is a registered trademark of Matthes Bender, used with permission.
 * See accompanying file "TRADEMARK" for details.
 *
 * To redistribute this file separately, substitute the full license texts
 * for the above references.
 */
 
#include "../../include/c4script/c4script.h"
 
#include "C4Include.h"
 
#include "c4group/C4Group.h"
#include "lib/C4Random.h"
#include "object/C4DefList.h"
#include "script/C4Aul.h"
#include "script/C4ScriptHost.h"
 
/* StandaloneStubs.cpp is shared with mape, which has a real implementation of these */
C4Def* C4DefList::GetByName(const StdStrBuf &) {return nullptr;}
C4Def * C4DefList::GetDef(int) {return nullptr;}
int C4DefList::GetDefCount() {return 0;}
void C4DefList::SortByPriority() {}
void C4DefList::CallEveryDefinition() {}
void C4DefList::ResetIncludeDependencies() {}
 
static void InitializeC4Script()
{
    InitCoreFunctionMap(&ScriptEngine);
 
    // Seed PRNG
    FixedRandom(time(nullptr));
}
 
static void ClearC4Script()
{
    GameScript.Clear();
    ScriptEngine.Clear();
}
 
static C4Value RunLoadedC4Script()
{
    // Link script engine (resolve includes/appends, generate code)
    ScriptEngine.Link(nullptr);
 
    C4Value result = GameScript.Call("Main");
    return result;
}
 
static int RunFile(const char * filename, bool checkOnly)
{
    C4Group File;
    if (!File.Open(GetWorkingDirectory()))
    {
        fprintf(stderr, "Open failed: %s\n", File.GetError());
        return 1;
    }
 
    // get scripts
    StdStrBuf fn;
    File.ResetSearch();
    if (!File.FindNextEntry(filename, &fn))
    {
        fprintf(stderr, "FindNextEntry failed: %s\n", File.GetError());
        return 1;
    }
 
    InitializeC4Script();
    GameScript.Load(File, fn.getData(), nullptr, nullptr);
    if (!checkOnly)
        RunLoadedC4Script();
    ClearC4Script();
    return ScriptEngine.errCnt;
}
 
static int RunString(const char *script, bool checkOnly)
{
    InitializeC4Script();
    GameScript.LoadData("<memory>", script, nullptr);
    if (!checkOnly)
        RunLoadedC4Script();
    ClearC4Script();
    return ScriptEngine.errCnt;
}
 
 
int c4s_runfile(const char *filename) { return RunFile(filename, false); }
int c4s_runstring(const char *script) { return RunString(script, false); }
 
int c4s_checkfile(const char *filename) { return RunFile(filename, true); }
int c4s_checkstring(const char *script) { return RunString(script, true); }