picoc/picoc.c

/* picoc main program - this varies depending on your operating system and
 * how you're using picoc */

/* include only picoc.h here - should be able to use it with only the external interfaces, no internals from interpreter.h */
#include "picoc.h"

/* platform-dependent code for running programs is in this file */

#if defined(UNIX_HOST) || defined(WIN32)
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

/* Override via STACKSIZE environment variable */
/* stack space */
#define PICOC_STACK_SIZE (512000)

int main(int argc, char **argv)
{
    int ParamCount = 1;
    int DontRunMain = false;
    int StackSize = getenv("STACKSIZE") ? atoi(getenv("STACKSIZE")) : PICOC_STACK_SIZE;
    Picoc pc;

    if (argc < 2) {
        printf(PICOC_VERSION "  \n"
               "Format: picoc <file1.c>... [- <arg1>...]    : run a program (calls main() to start it)\n"
               "        picoc -s <file1.c>... [- <arg1>...] : script mode - runs the program without calling main()\n"
               "        picoc -i                            : interactive mode (Ctrl+D to exit)\n");
        exit(1);
    }

    PicocInitialise(&pc, StackSize);

    if (strcmp(argv[ParamCount], "-s") == 0) {
        DontRunMain = true;
        PicocIncludeAllSystemHeaders(&pc);
        ParamCount++;
    }

    if (argc > ParamCount && strcmp(argv[ParamCount], "-i") == 0) {
        PicocIncludeAllSystemHeaders(&pc);
        PicocParseInteractive(&pc);
    } else {
        if (PicocPlatformSetExitPoint(&pc)) {
            PicocCleanup(&pc);
            return pc.PicocExitValue;
        }

        for (; ParamCount < argc && strcmp(argv[ParamCount], "-") != 0; ParamCount++)
            PicocPlatformScanFile(&pc, argv[ParamCount]);

        if (!DontRunMain)
            PicocCallMain(&pc, argc - ParamCount, &argv[ParamCount]);
    }

    PicocCleanup(&pc);
    return pc.PicocExitValue;
}
#endif