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raze/source/core/zcompile.cpp

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/*
** zcompile.cpp
**
** Entry point for the script compiler
**
**---------------------------------------------------------------------------
** Copyright 2016-2020 Christoph Oelckers
** 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. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "cmdlib.h"
#include "filesystem.h"
#include "sc_man.h"
#include "zcc_parser.h"
#include "zcc_compile_raze.h"
#include "codegen.h"
#include "stats.h"
#include "printf.h"
#include "dobject.h"
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#include "coreactor.h"
void InitThingdef();
void SynthesizeFlagFields();
void SetRazeCompileEnvironment();
void ParseScripts()
{
int lump, lastlump = 0;
FScriptPosition::ResetErrorCounter();
while ((lump = fileSystem.FindLump("ZSCRIPT", &lastlump)) != -1)
{
ZCCParseState state;
auto newns = ParseOneScript(lump, state);
PSymbolTable symtable;
ZCCRazeCompiler cc(state, NULL, symtable, newns, lump, state.ParseVersion);
cc.Compile();
if (FScriptPosition::ErrorCounter > 0)
{
// Abort if the compiler produced any errors. Also do not compile further lumps, because they very likely miss some stuff.
I_Error("%d errors, %d warnings while compiling %s", FScriptPosition::ErrorCounter, FScriptPosition::WarnCounter, fileSystem.GetFileFullPath(lump).GetChars());
}
else if (FScriptPosition::WarnCounter > 0)
{
// If we got warnings, but no errors, print the information but continue.
Printf(TEXTCOLOR_ORANGE "%d warnings while compiling %s\n", FScriptPosition::WarnCounter, fileSystem.GetFileFullPath(lump).GetChars());
}
}
}
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void InitServices();
void LoadScripts()
{
cycle_t timer;
PType::StaticInit();
SetRazeCompileEnvironment();
InitThingdef();
timer.Reset(); timer.Clock();
FScriptPosition::ResetErrorCounter();
FScriptPosition::StrictErrors = true;
ParseScripts();
SynthesizeFlagFields();
FunctionBuildList.Build();
if (FScriptPosition::ErrorCounter > 0)
{
I_Error("%d errors during script processing", FScriptPosition::ErrorCounter);
}
FScriptPosition::ResetErrorCounter();
timer.Unclock();
if (!batchrun) Printf("script parsing took %.2f ms\n", timer.TimeMS());
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for (int i = PClass::AllClasses.Size() - 1; i >= 0; i--)
{
auto ti = (PClassActor*)PClass::AllClasses[i];
if (!ti->IsDescendantOf(RUNTIME_CLASS(DCoreActor))) continue;
if (ti->Size == TentativeClass)
{
if (ti->bOptional)
{
Printf(TEXTCOLOR_ORANGE "Class %s referenced but not defined\n", ti->TypeName.GetChars());
FScriptPosition::WarnCounter++;
// the class must be rendered harmless so that it won't cause problems.
ti->ParentClass = RUNTIME_CLASS(DCoreActor);
ti->Size = sizeof(DCoreActor);
}
else
{
Printf(TEXTCOLOR_RED "Class %s referenced but not defined\n", ti->TypeName.GetChars());
FScriptPosition::ErrorCounter++;
}
continue;
}
if (GetDefaultByType(ti) == nullptr)
{
Printf(TEXTCOLOR_RED "No ActorInfo defined for class '%s'\n", ti->TypeName.GetChars());
FScriptPosition::ErrorCounter++;
continue;
}
}
// Now we may call the scripted OnDestroy method.
PClass::bVMOperational = true;
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InitServices();
}