/*
 *  JoeyDev
 *  Copyright (C) 2018-2023 Scott Duensing <scott@kangaroopunch.com>
 *
 *  This software is provided 'as-is', without any express or implied
 *  warranty.  In no event will the authors be held liable for any damages
 *  arising from the use of this software.
 *
 *  Permission is granted to anyone to use this software for any purpose,
 *  including commercial applications, and to alter it and redistribute it
 *  freely, subject to the following restrictions:
 *
 *  1. The origin of this software must not be misrepresented; you must not
 *     claim that you wrote the original software. If you use this software
 *     in a product, an acknowledgment in the product documentation would be
 *     appreciated but is not required.
 *  2. Altered source versions must be plainly marked as such, and must not be
 *     misrepresented as being the original software.
 *  3. This notice may not be removed or altered from any source distribution.
*/


#ifndef COMPILER_H
#define COMPILER_H


#include "libtcc.h"
#include "sigsegv.h"

#if HAVE_SIGSEGV_RECOVERY
#include <setjmp.h>
#include <signal.h>
#if defined _WIN32 && !defined __CYGWIN__
//  Windows doesn't have sigset_t.
typedef int sigset_t;
#define sigemptyset(set)
#define sigprocmask(how,set,oldset)
#endif
#endif


enum CompilerErrorsE {
	COMPILER_ERROR_NONE = 0,
	COMPILER_ERROR_ALREADY_RUNNING,
	COMPILER_ERROR_IN_CODE,
	COMPILER_ERROR_CANNOT_RELOCATE,
	COMPILER_ERROR_NO_ENTRYPOINT,
	COMPILER_ERROR_SIGHANDLER_FAILED,
	COMPILER_ERROR_SEGFAULT,
	COMPILER_ERROR_NO_THREAD,
	COMPILER_ERROR_COUNT
};


struct CompilerContextS;


typedef void (*CompilerCallback)(struct CompilerContextS **context);


typedef struct CompilerContextS {
	TCCState         *s;
	pthread_t         thread;
	gboolean          isRunning;
	int               compilerResult;
	int               programResult;
	CompilerCallback  callback;
	void             *userData;
	char             *script;
	int             (*RecipeEntryPoint)(char *, char *);
	char             *arg1;
	char             *arg2;
	char             *oldPath;
#if HAVE_SIGSEGV_RECOVERY
	volatile int      runPass;
	jmp_buf           runJump;
	sigset_t          runSigSet;
#endif
} CompilerContextT;


void              compilerDeleteContext(CompilerContextT **context);
gboolean          compilerHadError(CompilerContextT **context);
CompilerContextT *compilerNewContext(CompilerCallback callback, void *userData);
void              compilerRunRecipe(CompilerContextT *context, char *recipe, char *input, char *outputPath);


#endif // COMPILER_H