static char RCSid[] =

"$Header: d:/cvsroot/tads/tads3/test/test_prs_top.cpp,v 1.1 1999/07/11 00:47:03 MJRoberts Exp $";

#endif

/* 

 *   Copyright (c) 1999, 2002 Michael J. Roberts.  All Rights Reserved.

 *   

 *   Please see the accompanying license file, LICENSE.TXT, for information

 *   on using and copying this software.  

 */

/*

Name

  test_prs.cpp - parser test: test parsing from the top level

Function

Notes

Modified

  05/01/99 MJRoberts  - Creation

*/

#include <stdlib.h>

#include <stdio.h>

#include "os.h"

#include "t3std.h"

#include "tctok.h"

#include "resload.h"

#include "tcmain.h"

#include "tchostsi.h"

#include "tcglob.h"

#include "tcprs.h"

#include "tctarg.h"

#include "vmfile.h"

#include "tcunas.h"

#include "tct3unas.h"

#include "tcmake.h"

#include "vmimage.h"

#include "vmrunsym.h"

#include "t3test.h"

static void errexit(const char *msg)

{

    printf("%s\n", msg);

    exit(1);

}

int main(int argc, char **argv)

{

    CResLoader *res_loader;

    CTcHostIfc *hostifc;

    int curarg;

    int fatal_error_count = 0;

    osfildef *fpout = 0;

    CVmFile *imgfile = 0;

    CTcUnasSrcCodeStr *unas_in;

    CTcUnasOutStdio unas_out;

    CTPNStmProg *node;

    const char *image_fname;

    int success;

    int unasm = FALSE;

    uchar xor_mask = 0;

    char pathbuf[OSFNMAX];

    /* initialize for testing */

    test_init();

    /* create the host interface object */

    hostifc = new CTcHostIfcStdio();

    /* create a resource loader */

    os_get_special_path(pathbuf, sizeof(pathbuf), argv[0], OS_GSP_T3_RES);

    res_loader = new CResLoader(pathbuf);

    /* initialize the compiler */

    CTcMain::init(hostifc, res_loader, "us-ascii");

    /* use test reporting mode */

    G_tok->set_test_report_mode(TRUE);

    G_tcmain->set_test_report_mode(TRUE);

    /* create the disassembler input stream */

    unas_in = new CTcUnasSrcCodeStr(G_cs);

    err_try

    {

        static const char tool_data[4] = { 't', 's', 't', 'P' };

        /* scan options */

        for (curarg = 1 ; curarg < argc ; ++curarg)

        {

            char *p;

            /* get the argument string for easy reference */

            p = argv[curarg];

            /* if it's not an option, we're done */

            if (*p != '-')

                break;

            /* if it's a -I argument, use it */

            if (*(p + 1) == 'I')

            {

                char *path;

                /* 

                 *   if it's with this argument, read it, otherwise move

                 *   on to the next argument 

                 */

                if (*(p + 2) == '\0')

                    path = argv[++curarg];

                else

                    path = p + 2;

                /* add the directory to the include path list */

                G_tok->add_inc_path(path);

            }

            else if (*(p + 1) == 'v')

            {

                /* set verbose mode */

                G_tcmain->set_verbosity(TRUE);

            }

            else if (*(p + 1) == 'u')

            {

                /* note unassembly mode */

                unasm = TRUE;

            }

            else

            {

                /* 

                 *   invalid usage - consume all the arguments and fall

                 *   through to the usage checker 

                 */

                curarg = argc;

                break;

            }

        }

        /* check arguments */

        if (curarg + 2 != argc)

        {

            /* terminate the compiler */

            CTcMain::terminate();

            /* delete our objects */

            delete res_loader;

            /* exit with an error */

            errexit("usage: test_prs [options] <source-file> <image-file>\n"

                    "options:\n"

                    "   -Idir  - add dir to include path\n"

                    "   -v     - verbose error messages");

        }

        /* add the default system include directory to the include path */

        os_get_special_path(pathbuf, sizeof(pathbuf), argv[0], OS_GSP_T3_INC);

        G_tok->add_inc_path(pathbuf);

        /* set up the tokenizer with the main input file */

        if (G_tok->set_source(argv[curarg], argv[curarg]))

            errexit("unable to open source file");

        /* set up an output file */

        image_fname = argv[curarg+1];

        fpout = osfopwb(image_fname, OSFTT3IMG);

        if (fpout == 0)

            errexit("unable to open image file");

        imgfile = new CVmFile();

        imgfile->set_file(fpout, 0);

        /* read the first token */

        G_tok->next();

        /* parse at the top level */

        node = G_prs->parse_top();

        /* if errors occurred during parsing, stop here */

        if (G_tcmain->get_error_count() != 0 || node == 0)

            goto done;

        /* fold symbolic constants for all nodes */

        node->fold_constants(G_prs->get_global_symtab());

        /* if errors occurred during constant folding, stop now */

        if (G_tcmain->get_error_count() != 0)

            goto done;

        /* generate code and write the image file */

        node->build_image(imgfile, xor_mask, tool_data);

        /* if errors occurred during code generation, stop now */

        if (G_tcmain->get_error_count() != 0)

            goto done;

        /* disassemble the result if desired */

        if (unasm)

            CTcT3Unasm::disasm(unas_in, &unas_out);

    done: ;

    }

    err_catch(exc)

    {

        /* 

         *   if it's not a general internal or fatal error, log it; don't

         *   log general errors, since these will have been logged as

         *   specific internal errors before being thrown 

         */

        if (exc->get_error_code() != TCERR_INTERNAL_ERROR

            && exc->get_error_code() != TCERR_FATAL_ERROR)

            G_tok->log_error(TC_SEV_FATAL, exc->get_error_code());

        /* count the fatal error */

        ++fatal_error_count;

    }

    err_end;

    /* report errors */

    fprintf(stderr,

            "Warnings: %d\n"

            "Errors:   %d\n"

            "Longest string: %d, longest list: %d\n",

            G_tcmain->get_warning_count(),

            G_tcmain->get_error_count() + fatal_error_count,

            G_cg->get_max_str_len(), G_cg->get_max_list_cnt());

    /* 

     *   note whether or not the compilation was successful - it succeeded

     *   if we had no errors or fatal errors 

     */

    success = (G_tcmain->get_error_count() + fatal_error_count == 0);

    /* delete the image file object (this closes the file) */

    delete imgfile;

    /* 

     *   if any errors occurred, delete the image file in the external

     *   file system - this prevents us from leaving around an incomplete

     *   or corrupted image file when compilation fails, and helps

     *   'make'-type tools realize that they must generate the image file

     *   target again on the next build, even if source files didn't

     *   change 

     */

    if (!success)

        osfdel(image_fname);

    /* delete the disassembler input object */

    delete unas_in;

    /* shut down the compiler */

    CTcMain::terminate();

    /* done with the res loader */

    delete res_loader;

    /* delete the host interface */

    delete hostifc;

    /* show any unfreed memory */

    t3_list_memory_blocks(0);

    /* 

     *   terminate - exit with a success indication if we had no errors

     *   (other than warnings); exit with an error indication otherwise 

     */

    return (success ? OSEXSUCC : OSEXFAIL);

}

/*

 *   dummy 'make' object implementation 

 */

void CTcMake::write_build_config_to_sym_file(class CVmFile *)

{

}

/* ------------------------------------------------------------------------ */

/*

 *   dummy implementation of runtime symbol table 

 */

void CVmRuntimeSymbols::add_sym(const char *, size_t,

                                const vm_val_t *)

{