
(********************************************************************)
(*                                                                  *)
(*  chk_all.sd7   Runs interpreted and compiled checks.             *)
(*  Copyright (C) 2008, 2014  Thomas Mertes                         *)
(*                                                                  *)
(*  This program is free software; you can redistribute it and/or   *)
(*  modify it under the terms of the GNU General Public License as  *)
(*  published by the Free Software Foundation; either version 2 of  *)
(*  the License, or (at your option) any later version.             *)
(*                                                                  *)
(*  This program is distributed in the hope that it will be useful, *)
(*  but WITHOUT ANY WARRANTY; without even the implied warranty of  *)
(*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *)
(*  GNU General Public License for more details.                    *)
(*                                                                  *)
(*  You should have received a copy of the GNU General Public       *)
(*  License along with this program; if not, write to the           *)
(*  Free Software Foundation, Inc., 51 Franklin Street,             *)
(*  Fifth Floor, Boston, MA  02110-1301, USA.                       *)
(*                                                                  *)
(********************************************************************)


$ include "seed7_05.s7i";
  include "stdio.s7i";
  include "osfiles.s7i";
  include "process.s7i";
  include "scanstri.s7i";
  include "cc_conf.s7i";

var string: interpretProgram  is "./s7 -q ";
var string: interpretCompiler is "./s7 s7c -g ";
var string: executeCompiler   is "./s7c -g ";
var string: s7interpreter     is "./s7" & ccConf.EXECUTABLE_FILE_EXTENSION;
var string: s7compiler        is "./s7c" & ccConf.EXECUTABLE_FILE_EXTENSION;
var boolean: checkAllFailed is FALSE;

const string: chkint_output is "\n\
  \Integer literals with exponent work correct.\n\
  \Based integer literals work correct.\n\
  \The integer compare works correct.\n\
  \Conversion of integer to big endian byte string works correct.\n\
  \Conversion of integer to little endian byte string works correct.\n\
  \Conversion of big endian byte string to integer works correct.\n\
  \Conversion of little endian byte string to integer works correct.\n\
  \Conversion to and from LEB128 encoding works correct.\n\
  \-i is correct computed in the range -10 to 10.\n\
  \Addition works correct for selected values.\n\
  \Addition assignment works correct for selected values.\n\
  \Subtraction works correct for selected values.\n\
  \Subtraction assignment works correct for selected values.\n\
  \Succ works correct for selected values.\n\
  \Pred works correct for selected values.\n\
  \Incr works correct for selected values.\n\
  \Decr works correct for selected values.\n\
  \Multiplication works correct for selected values.\n\
  \Multiplication assignment works correct for selected values.\n\
  \a div b is integer division and a rem b is integer remainder:\n\
  \for positive and negative a and b\n\
  \(a div b) * b + (a rem b) = a  holds for positive and negative a and b\n\
  \Div and rem work correct for selected values.\n\
  \Mdiv and mod work correct for selected values.\n\
  \Div works correct for selected values.\n\
  \Rem works correct for selected values.\n\
  \Mdiv works correct for selected values.\n\
  \Mod works correct for selected values.\n\
  \odd(i) works correct in the range -20 to 20.\n\
  \!i works correct for i in the range 0 to 12.\n\
  \The binomial coefficient (n ! k) works correct for selected values.\n\
  \Power works correct for selected values.\n\
  \The integer abs function works correct.\n\
  \Integer rand is correct for selected values.\n\
  \The integer square root works correct.\n\
  \The integer log2 function works correct.\n\
  \The integer log10 function works correct.\n\
  \The integer << and <<:= works correct.\n\
  \The integer >> and >>:= works correct.\n\
  \Integer str does work correct.\n\
  \Integer sci operator does work correct.\n\
  \Integer parse does work correct.\n\
  \Integer lpad0 does work correct.\n\
  \Integer bitLength does work correct.\n\
  \Integer lowestSetBit does work correct.\n\
  \The ternary operator ? : works correct for integer.\n";

const string: chkovf_output is "\n\
  \Overflow checking of negation works correct.\n\
  \Overflow checking of addition works correct.\n\
  \Overflow checking of addition assignment works correct.\n\
  \Overflow checking of subtraction works correct.\n\
  \Overflow checking of subtraction assignment works correct.\n\
  \Overflow checking of succ works correct.\n\
  \Overflow checking of pred works correct.\n\
  \Overflow checking of incr works correct.\n\
  \Overflow checking of decr works correct.\n\
  \Overflow checking of multiplication works correct.\n\
  \Overflow checking of multiplication assignment works correct.\n\
  \Overflow checking of div operator works correct.\n\
  \Overflow checking of rem operator works correct.\n\
  \Overflow checking of mdiv operator works correct.\n\
  \Overflow checking of mod operator works correct.\n\
  \Overflow checking of left shift works correct.\n\
  \Overflow checking of left shift assignment works correct.\n\
  \Overflow checking of right shift works correct.\n\
  \Overflow checking of right shift assignment works correct.\n\
  \Overflow checking of unsigned left shift works correct.\n\
  \Overflow checking of unsigned left shift assignment works correct.\n\
  \Overflow checking of unsigned right shift works correct.\n\
  \Overflow checking of unsigned right shift assignment works correct.\n\
  \Overflow checking of power works correct.\n\
  \Overflow checking of binomial coefficient works correct.\n\
  \Overflow checking of abs works correct.\n";

const string: chkflt_output is "\n\
  \Float literals work correct.\n\
  \Comparison of float values works correct.\n\
  \Compare of float values works correct.\n\
  \Parsing of strings with float literals works correct.\n\
  \Decimal conversion of float works correct.\n\
  \Conversion from integer to float works correct.\n\
  \Truncation of float works correct.\n\
  \Rounding of float works correct.\n\
  \Addition works correct for selected values.\n\
  \Multiplication works correct for selected values.\n\
  \Division works correct for selected values.\n\
  \Remainder works correct for selected values.\n\
  \Modulo works correct for selected values.\n\
  \A ** B works correct for selected values.\n\
  \A ** B with integer B works correct for selected values.\n\
  \Shift left of float values works correct for selected values.\n\
  \Shift right of float values works correct for selected values.\n\
  \Negative zero does work correct.\n\
  \Infinity works correct for selected values.\n\
  \NaN works correct for selected values.\n\
  \Rand works correct for selected values.\n\
  \Decompose works correct for selected values.\n\
  \The ternary operator ? : works correct for float.\n";

const string: chkbin_output is "\n\
  \Converting float to bin32 and bin64 values works correct.\n\
  \Converting bin32 and bin64 values to float works correct.\n\
  \float2MbfBits works correct for bin32 and bin64 values.\n\
  \mbfBits2Float works correct for bin32 and bin64 values.\n\
  \bin64(aBigInteger mod 2_**y) works correct.\n\
  \Bin32 and bin64 str works correct.\n\
  \Bin32 and bin64 radix does work correct.\n\
  \The ternary operator ? : works correct for bin32 and bin64.\n";

const string: chkchr_output is "\n\
  \isLetter function works correctly.\n\
  \width function works correctly.\n\
  \Char literal functions work correct.\n\
  \The ternary operator ? : works correct for char.\n";

const string: chkstr_output is "\n\
  \String literals work correct.\n\
  \String comparisons work correct.\n\
  \String length works correct.\n\
  \String indices work correct.\n\
  \String head works correct.\n\
  \String tail works correct.\n\
  \String range works correct.\n\
  \String substr works correct.\n\
  \String concatenation works correct.\n\
  \String multiplication works correct.\n\
  \String operations work correct.\n\
  \pos(string) works correct.\n\
  \pos(string, char) works correct.\n\
  \pos(string) with start index works correct.\n\
  \rpos(string) works correct.\n\
  \rpos(string, char) works correct.\n\
  \rpos(string) with start index works correct.\n\
  \replace(string, searched, replacement) works correct.\n\
  \String functions work correct.\n\
  \split(string) works correct.\n\
  \join(string) works correct.\n\
  \String assignment works correct.\n\
  \String append works correct.\n\
  \@:= for strings works correct.\n\
  \String for loops work correct.\n\
  \The ternary operator ? : works correct for string.\n";

const string: chkidx_output is "\n\
  \Index checking for string indexing works correct.\n\
  \Index checking for string head works correct.\n\
  \Index checking for string tail works correct.\n\
  \Index checking for string range works correct.\n\
  \Index checking for string substr works correct.\n\
  \Index checking for string @:= works correct.\n";

const string: chkbst_output is "\n\
  \Bstring parse works correct.\n\
  \Bstring assignment works correct.\n\
  \Bstring append works correct.\n\
  \Bstring comparisons work correct.\n\
  \String indices work correct.\n\
  \The ternary operator ? : works correct for bstring.\n";

const string: chkarr_output is "\n\
  \Array comparison works correct.\n\
  \Array assignment works correct.\n\
  \Array append ( &:= ) works correct.\n\
  \Index access of array element works correct.\n\
  \Array head and tail operations work correct.\n\
  \Head of array works correct.\n\
  \Tail of array works correct.\n\
  \Range of array works correct.\n\
  \Sub array of array works correct.\n\
  \Insert element into array works correct.\n\
  \Insert array into array works correct.\n\
  \Remove element from array works correct.\n\
  \Remove array from array works correct.\n";

const string: chkprc_output is "\n\
  \If statements work correct.\n\
  \While statements work correct.\n\
  \Repeat statements work correct.\n\
  \For to statements work correct.\n\
  \For downto statements work correct.\n\
  \For bigInteger statements work correct.\n\
  \Case integer statements work correct.\n\
  \Case char statements work correct.\n\
  \Case string statements work correct.\n\
  \Case bigInteger statements work correct.\n\
  \Case float statements work correct.\n";

const string: chkbig_output is "\n\
  \Based bigInteger literals work correct.\n\
  \String conversion of bigInteger works correct.\n\
  \The radix operator for bigInteger works correct.\n\
  \Conversion of bigInteger to integer works correct.\n\
  \Conversion of integer to bigInteger works correct.\n\
  \Conversion of bigInteger to big endian byte string works correct.\n\
  \Conversion of bigInteger to little endian byte string works correct.\n\
  \Conversion of big endian byte string to bigInteger works correct.\n\
  \Conversion of little endian byte string to bigInteger works correct.\n\
  \The bigInteger negation works correct.\n\
  \The plus sign for bigInteger works correct.\n\
  \Successor of bigInteger works correct.\n\
  \Predecessor of bigInteger works correct.\n\
  \Increment of bigInteger works correct.\n\
  \Decrement of bigInteger works correct.\n\
  \Addition of bigInteger works correct.\n\
  \Addition assignment of bigInteger works correct.\n\
  \Subtraction of bigInteger works correct.\n\
  \Subtraction assignment of bigInteger works correct.\n\
  \Multiplication of bigInteger works correct.\n\
  \Multiplication assignment of bigInteger works correct.\n\
  \Division of bigInteger works correct.\n\
  \Remainder of bigInteger division works correct.\n\
  \Division of bigInteger with divRem works correct.\n\
  \Modulo division of bigInteger works correct.\n\
  \Modulo of bigInteger division works correct.\n\
  \Power of bigInteger works correct.\n\
  \Factorial of bigInteger works correct.\n\
  \Binomial coefficient of bigInteger works correct.\n\
  \The bigInteger compare works correct.\n\
  \The bigInteger abs function works correct.\n\
  \The bigInteger odd function works correct.\n\
  \The bigInteger log2 function works correct.\n\
  \The bigInteger log10 function works correct.\n\
  \The bigInteger bitLength function works correct.\n\
  \The bigInteger lowestSetBit function works correct.\n\
  \The bigInteger << and <<:= works correct.\n\
  \The bigInteger >> and >>:= works correct.\n\
  \The bigInteger square root works correct.\n\
  \The bigInteger constants work correct.\n\
  \BigInteger assignment works correct.\n\
  \The ternary operator ? : works correct for bigInteger.\n";

const string: chkbool_output is "\n\
  \Boolean not works correct.\n\
  \Boolean and works correct.\n\
  \Boolean or works correct.\n\
  \Boolean = works correct.\n\
  \Boolean <> works correct.\n\
  \Boolean > works correct.\n\
  \Boolean >= works correct.\n\
  \Boolean < works correct.\n\
  \Boolean <= works correct.\n\
  \Boolean compare works correct.\n\
  \Boolean ord() works correct.\n\
  \Boolean str() works correct.\n\
  \The ternary operator ? : works correct for boolean.\n";

const string:chkbitdata_output is "\n\
  \getBitLsb works correct.\n\
  \getBitsLsb works correct.\n\
  \putBitLsb works correct.\n\
  \putBitsLsb works correct.\n\
  \getBitMsb works correct.\n\
  \getBitsMsb works correct.\n\
  \putBitMsb works correct.\n\
  \putBitMsb works correct.\n";

const string: chkset_output is "\n\
  \Bitset literals work correct.\n\
  \Conversion of sets works correct.\n\
  \card(set) works correct.\n\
  \rand(set) works correct.\n\
  \incl(bitset, integer) works correct.\n\
  \set compare works correct.\n\
  \set relations work correct.\n\
  \set union works correct.\n\
  \set union assignment works correct.\n\
  \set symdiff works correct.\n\
  \set intersection works correct.\n\
  \set intersection assignment works correct.\n\
  \set difference test works correct.\n\
  \set membership test works correct.\n\
  \set membership test for char works correct.\n\
  \set membership test for string works correct.\n\
  \min(bitset) works correct.\n\
  \max(bitset) works correct.\n\
  \next(bitset) works correct.\n\
  \str(bitset) works correct.\n\
  \set assignment works correct.\n\
  \character sets work correct.\n";

const string: chkhsh_output is "\n\
  \Hash tables with boolean keys work correct.\n\
  \Hash tables with integer keys work correct.\n\
  \Hash tables with bigInteger keys work correct.\n\
  \Hash tables with rational keys work correct.\n\
  \Hash tables with bigRational keys work correct.\n\
  \Hash tables with float keys work correct.\n\
  \Hash tables with complex keys work correct.\n\
  \Hash tables with char keys work correct.\n\
  \Hash tables with string keys work correct.\n\
  \The keys function for hash tables works correct.\n\
  \The values function for hash tables works correct.\n\
  \The for loop for hash tables works correct.\n\
  \The assignment of a hash variable to itself works correct.\n";

const string: chkfil_output is "\n\
  \Open a file does work correct.\n\
  \File I/O does work correct.\n\
  \File seek does work correct.\n\
  \Utf-8 file I/O does work correct.\n\
  \Utf-8 file seek does work correct.\n\
  \STD_NULL does work correct.\n";

const string: chkexc_output is "\n\
  \Integer exceptions work correct.\n\
  \BigInteger exceptions work correct.\n\
  \Floating point exceptions work correct.\n\
  \String exceptions work correct.\n\
  \Array exceptions work correct.\n\
  \File exceptions work correct.\n\
  \seek(STD_IN, 0) raises RANGE_ERROR\n\
  \gets(STD_IN, -1) raises RANGE_ERROR\n\
  \test_func(1 div 0) raises NUMERIC_ERROR\n\
  \1 div 0 = 0 and TRUE raises NUMERIC_ERROR\n\
  \1 div 0 = 0 and FALSE raises NUMERIC_ERROR\n\
  \TRUE and 1 div 0 = 0 raises NUMERIC_ERROR\n\
  \1 div 0 = 0 or TRUE raises NUMERIC_ERROR\n\
  \1 div 0 = 0 or FALSE raises NUMERIC_ERROR\n\
  \FALSE or 1 div 0 = 0 raises NUMERIC_ERROR\n\
  \if 1 div 0 raises NUMERIC_ERROR\n\
  \1 div 0 in if then raises NUMERIC_ERROR\n\
  \1 div 0 in if else raises NUMERIC_ERROR\n\
  \while 1 div 0 raises NUMERIC_ERROR\n\
  \1 div 0 in while raises NUMERIC_ERROR\n\
  \repeat until 1 div 0 raises NUMERIC_ERROR\n\
  \1 div 0 in repeat raises NUMERIC_ERROR\n";


const proc: igrnoreFileError (ref proc: statement) is func
  begin
    block
      statement;
    exception
      catch FILE_ERROR: noop;
    end block;
  end func;


const func boolean: equalFiles (in string: file1Name, in string: file2Name) is func
  result
    var boolean: equal is FALSE;
  local
    var file: file1 is STD_NULL;
    var file: file2 is STD_NULL;
    var string: stri1 is "";
    var string: stri2 is "";
  begin
    file1 := open(file1Name, "r");
    if file1 <> STD_NULL then
      file2 := open (file2Name, "r");
      if file2 <> STD_NULL then
        equal := TRUE;
        while equal and not (eof(file1) or eof(file2)) do
          stri1 := gets(file1, 1048576);
          stri2 := gets(file2, 1048576);
          if stri1 <> stri2 then
            equal := FALSE;
          end if;
        end while;
        if not (eof(file1) and eof(file2)) then
          equal := FALSE;
        end if;
        close(file2);
      end if;
      close(file1);
    end if;
  end func;


const func string: cmdOutput (in var string: cmdAndParams) is func
  result
    var string: output is "";
  local
    var string: command is "";
    var string: parameter is "";
    var array string: parameters is 0 times "";
    var file: childStdin is STD_NULL;
    var file: childStdout is STD_NULL;
  begin
    command := getCommandLineWord(cmdAndParams);
    parameter := getCommandLineWord(cmdAndParams);
    while parameter <> "" do
      parameters &:= parameter;
      parameter := getCommandLineWord(cmdAndParams);
    end while;
    pipe2(commandPath(command), parameters, childStdin, childStdout);
    output := gets(childStdout, 999999999);
    close(childStdin);
    close(childStdout);
  end func;


const func boolean: checkInterpreter (in string: progName, in string: referenceOutput) is func
  result
    var boolean: okay is TRUE;
  local
    var string: interpretedOutput is "";
  begin
    interpretedOutput := cmdOutput(interpretProgram & progName);
    if interpretedOutput <> referenceOutput then
      writeln;
      writeln(" *** The interpreted " <& progName <& " does not work okay:");
      writeln(interpretedOutput);
      okay := FALSE;
    else
      write(".");
      flush(OUT);
    end if;
    if fileType(progName & ccConf.EXECUTABLE_FILE_EXTENSION) <> FILE_ABSENT then
      igrnoreFileError(removeFile(progName & ccConf.EXECUTABLE_FILE_EXTENSION));
    end if;
  end func;


const func boolean: checkCompiler (in string: progName, in string: option,
    in string: referenceOutput) is func
  result
    var boolean: okay is TRUE;
  local
    var string: compilerOutput is "";
    var string: compiledOutput is "";
  begin
    compilerOutput := cmdOutput(interpretCompiler & option & progName);
    if fileType(progName & ccConf.EXECUTABLE_FILE_EXTENSION) = FILE_REGULAR then
      compiledOutput := cmdOutput("./" & progName);
      if compiledOutput <> referenceOutput then
        writeln;
        writeln(" *** The compiled " <& progName <& " does not work okay:");
        writeln(compiledOutput);
        okay := FALSE;
      else
        write(".");
        flush(OUT);
      end if;
    else
      writeln;
      writeln(" *** The interpreted compiler was not able to compile " <& progName);
      if fileType("tmp_" & progName & ".cerrs") = FILE_REGULAR then
        if fileType("tmp1_" & progName & ".c") = FILE_REGULAR then
          removeFile("tmp1_" & progName & ".c");
        end if;
        moveFile("tmp_" & progName & ".c", "tmp1_" & progName & ".c");
        if fileType("tmp1_" & progName & ".cerrs") = FILE_REGULAR then
          removeFile("tmp1_" & progName & ".cerrs");
        end if;
        moveFile("tmp_" & progName & ".cerrs", "tmp1_" & progName & ".cerrs");
        writeln(" *** Errors in " <& literal("tmp1_" & progName & ".c") <&
                " - see " <& literal("tmp1_" & progName & ".cerrs"));
      elsif fileType("tmp_" & progName & ".lerrs") = FILE_REGULAR then
        if fileType("tmp1_" & progName & ccConf.OBJECT_FILE_EXTENSION) = FILE_REGULAR then
          removeFile("tmp1_" & progName & ccConf.OBJECT_FILE_EXTENSION);
        end if;
        if fileType("tmp_" & progName & ccConf.OBJECT_FILE_EXTENSION) = FILE_REGULAR then
          moveFile("tmp_" & progName & ccConf.OBJECT_FILE_EXTENSION,
                   "tmp1_" & progName & ccConf.OBJECT_FILE_EXTENSION);
        end if;
        if fileType("tmp1_" & progName & ".lerrs") = FILE_REGULAR then
          removeFile("tmp1_" & progName & ".lerrs");
        end if;
        moveFile("tmp_" & progName & ".lerrs", "tmp1_" & progName & ".lerrs");
        writeln(" *** Linker errors with " <&
                literal("tmp1_" & progName & ccConf.OBJECT_FILE_EXTENSION) <&
                " - see " <& literal("tmp1_" & progName & ".lerrs"));
      else
        writeln(" *** Compiler output:");
        writeln(compilerOutput);
      end if;
      okay := FALSE;
    end if;
    if fileType(s7compiler) = FILE_REGULAR then
      if fileType("tmp_" & progName & ".c") = FILE_REGULAR then
        if fileType("tmp1_" & progName & ".c") = FILE_REGULAR then
          removeFile("tmp1_" & progName & ".c");
        end if;
        moveFile("tmp_" & progName & ".c", "tmp1_" & progName & ".c");
      end if;
      if fileType(progName & ccConf.EXECUTABLE_FILE_EXTENSION) <> FILE_ABSENT then
        igrnoreFileError(removeFile(progName & ccConf.EXECUTABLE_FILE_EXTENSION));
      end if;
      compilerOutput := cmdOutput(executeCompiler & option & progName);
      if fileType(progName & ccConf.EXECUTABLE_FILE_EXTENSION) = FILE_REGULAR then
        if fileType("tmp1_" & progName & ".c") = FILE_REGULAR then
          if not equalFiles("tmp_" & progName & ".c", "tmp1_" & progName & ".c") then
            compiledOutput := cmdOutput("./" & progName);
            if compiledOutput <> referenceOutput then
              writeln;
              writeln(" *** The interpreted compiler and the compiled compiler do not produce the same output.");
              writeln(" *** The program " <& progName <&
                      " does not work okay, when it is compiled with the compiled compiler.");
              writeln(compiledOutput);
              okay := FALSE;
            else
              write(".");
              flush(OUT);
            end if;
          else
            removeFile("tmp_" & progName & ".c");
            removeFile("tmp1_" & progName & ".c");
            if fileType("tmp_" & progName & ccConf.OBJECT_FILE_EXTENSION) <> FILE_ABSENT then
              igrnoreFileError(removeFile("tmp_" & progName & ccConf.OBJECT_FILE_EXTENSION));
            end if;
            if fileType(progName & ccConf.EXECUTABLE_FILE_EXTENSION) <> FILE_ABSENT then
              igrnoreFileError(removeFile(progName & ccConf.EXECUTABLE_FILE_EXTENSION));
            end if;
            write(".");
            flush(OUT);
          end if;
        end if;
      else
        writeln;
        writeln(" *** The compiled compiler was not able to compile " <& progName);
        if fileType("tmp_" & progName & ".cerrs") = FILE_REGULAR then
          writeln(" *** Errors in " <& literal("tmp_" & progName & ".c") <&
              " - see " <& literal("tmp_" & progName & ".cerrs"));
        elsif fileType("tmp_" & progName & ".lerrs") = FILE_REGULAR then
          writeln(" *** Linker errors with " <&
              literal("tmp_" & progName & ccConf.OBJECT_FILE_EXTENSION) <&
              " - see " <& literal("tmp_" & progName & ".lerrs"));
        else
          writeln(" *** Compiler output:");
          writeln(compilerOutput);
        end if;
        okay := FALSE;
      end if;
    end if;
  end func;


const proc: check (in string: progName, in string: referenceOutput) is func
  local
    const array string: options is [] ("", "-oc0 ", "-oc1 ", "-oc2 ", "-oc3 ");
    var string: option is "";
    var boolean: okay is TRUE;
  begin
    write(progName <& " ");
    flush(OUT);
    okay := checkInterpreter(progName, referenceOutput);
    for option range options do
      if not checkCompiler(progName, option, referenceOutput) then
        writeln("The error happened with the option " <& option);
        okay := FALSE;
      end if;
    end for;
    if okay then
      write(" okay");
    else
      checkAllFailed := TRUE;
    end if;
    writeln;
  end func;


const proc: main is func
  begin
    chdir(dir(PROGRAM));
    if length(argv(PROGRAM)) = 1 and argv(PROGRAM)[1] = "build" then
      interpretProgram  := "../bin/s7 -l ../lib -q ";
      interpretCompiler := "../bin/s7 -l ../lib s7c -l ../lib -b ../bin -g ";
      executeCompiler   := "../bin/s7c -l ../lib -b ../bin -g ";
      s7compiler        := "../bin/s7c" & ccConf.EXECUTABLE_FILE_EXTENSION;
      write("checking for presence of " <& s7compiler);
      if not fileType(s7compiler) = FILE_REGULAR then
        writeln;
        writeln(" *** No Seed7 compiler executable found");
        checkAllFailed := TRUE;
      else
        writeln(" - okay");
      end if;
    else
      if fileType(s7interpreter) <> FILE_REGULAR then
        interpretProgram  := interpretProgram[3 ..];
        interpretCompiler := interpretCompiler[3 ..];
      end if;
      if fileType(s7compiler) = FILE_REGULAR then
        removeFile(s7compiler);
      end if;
      write("compiling the compiler");
      flush(OUT);
      ignore(cmdOutput(interpretCompiler & "s7c"));
      if not fileType(s7compiler) = FILE_REGULAR then
        writeln;
        writeln(" *** Failed to compile the compiler");
        checkAllFailed := TRUE;
      else
        writeln(" - okay");
      end if;
    end if;
    check("chkint",  chkint_output);
    check("chkovf",  chkovf_output);
    check("chkflt",  chkflt_output);
    check("chkbin",  chkbin_output);
    check("chkchr",  chkchr_output);
    check("chkstr",  chkstr_output);
    check("chkidx",  chkidx_output);
    check("chkbst",  chkbst_output);
    check("chkarr",  chkarr_output);
    check("chkprc",  chkprc_output);
    check("chkbig",  chkbig_output);
    check("chkbool", chkbool_output);
    check("chkbitdata", chkbitdata_output);
    check("chkset",  chkset_output);
    check("chkhsh",  chkhsh_output);
    check("chkfil",  chkfil_output);
    check("chkexc",  chkexc_output);
    if checkAllFailed then
      exit(1);
    end if;
  end func;
