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Seed7 Release 2018-05-13

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Hello,

I have released a new version of Seed7: seed7_05_20180513.tgz
The download is here: https://sourceforge.net/projects/seed7/files
In the Seed7 programming language new statements and operators can
be declared easily. Types are first class objects and therefore
templates/generics need no special syntax. Object orientation is used
when it brings advantages and not in places when other solutions are
more obvious.

Seed7 is covered by the GPL (and LGPL for the Seed7 runtime library).

Changelog:
- In the manual descriptions of the binomial coefficient and of several
  conversion functions have been improved.
- The bas7.sd7 (basic interpreter) example program has been improved to
  use case statements with strings.
- The operator &:= has been added to the libraries bitsetof.s7i and
  bitset.s7i.
- The function rand() has been added to the library hashsetof.s7i. This
  function returns a random element from a hash set.
- The compiler (s7c) has been improved to generate code that uses
  memcpy or memmove to copy and create arrays of simple value types
  (e.g. array integer). The destruction of arrays of simple value types
  has also been simplified.
- The compiler has been improved to optimize the action SET_RAND.
- The compiler optimizations for the actions SET_DIFF, SET_UNION and
  SET_UNION_ASSIGN has been improved.
- In the compiler (in comp/const.s7i) the actions BLN_ICONV1,
  BLN_ICONV3, CHR_ICONV3 and SET_RAND have been added to the list of
  special actions. The compiler implements functions, which just call
  one of the special actions as inline functions.
- Interpreter and compiler have been improved to support the actions
  HSH_RAND_KEY and SET_INTERSECT_ASSIGN.
- Tests for the functions card() and rand() for the type set of string
  have been added to chkset.sd7.
- Tests for intersection assignments ( &:= ) have been added to
  chkset.sd7.
- In s7c.sd7 the code to call C compiler and linker has been
  refactored.
- The compiler has been improved (in comp/prc_act.s7i) to use the
  function hshIdxDefault0() instead of hshIdxWithDefault() for case
  statements with hashsets.
- The code generation of the compiler has been improved to trigger the
  signal SIGFPE with a call of triggerSigfpe().
- The compiler has been improved to insert diagnostic line information
  (e.g.: #line 64 "logfile.s7i") into code for the actions ARR_CPY,
  BLN_AND, BLN_OR, ITF_CPY, PRC_IF, PRC_IF_ELSIF, PRC_IF_NOOP
- The compiler has been improved to insert diagnostic line information
  for inlined functions.
- The configuration values in cc_conf.s7i have been improved.
  SWITCH_WORKS_FOR_INT64TYPE, CC_OPT_OPTIMIZE_1, CC_OPT_OPTIMIZE_2 and
  CC_OPT_OPTIMIZE_3 have been added. SYSTEM_DB_LIBS has been renamed
  to ADDITIONAL_SYSTEM_LIBS. HAS_SIGACTION, SIGNAL_RESETS_HANDLER and
  DO_SIGFPE_WITH_DIV_BY_ZERO have been removed.
- The program chkccomp.c has been improved. Now it determines the name
  of the NULL device (/dev/null or NUL:), the system socket library
  (unix sockets or winsocket), the method to read directories, the
  bigInteger implementation used (big_rtl.c or big_gmp.c) and the
  support for switch statements with 64-bit values.
- Documentation comments have been added or improved in bigint.s7i,
  integer.s7i, bitsetof.s7i, bitset.s7i, hashsetof.s7i, cc_conf.s7i,
  fil_rtl.c, dir_drv.h, cmd_rtl.c, set_rtl.c, str_rtl.c and striutl.c.
- In set_rtl.c the function setIntersect() has been improved to create
  a smaller intersection result, if possible.
- In set_rtl.c the function setIntersectAssign has been added.
- In setlib.c the function set_intersect_assign has been added.
- In hsh_rtl.c the functions get_helem_elem, get_hash_elem, hshRand
  and hshIdxDefault0 have been added.
- In hshlib.c the functions get_helem_elem, get_hash_elem and
  hsh_rand_key have been added.
- In gkb_x11.c and gkb_win.c the function find_window() has been
  improved to use hshIdxDefault0() instead of hshIdxWithDefault().
- In big_gmp.c the function bigDivRem has been improved to initialize
  the remainder.
- In str_rtl.c and strlib.c the function strelem_memcmp has been
  renamed to memcmp_strelem.
- In str_rtl.c the function strCmpGeneric has been changed to avoid
  calls of memcmp_strelem(), when the string sizes differ. This
  differs from the behaviour of strCompare, but the difference is not
  important, because strCmpGeneric() is only used for string
  comparisons of hash keys (in compiled programs).
- In striutl.c the function conv_to_cstri has been rewritten to return
  the C string, when the function succeeds, and to work without the
  parameter err_info.
- In striutl.c the function stri_to_bstriw has been rewritten to use
  an err_info parameter.
- In striutl.c the functions with loop unrolling inspired by Duff's
  device have been rewritten.
- In striutl.c the loops in conv_to_cstri, stri_to_cstri and
  conv_to_os_stri have been optimized.
- The macro castIntTypeForSwitch has been introduced to support C
  compilers, that do not support switch statements with 64-bit values.
- Definitions of NULL_DEVICE, USE_GETADDRINFO, USE_WINSOCK and
  BIGINT_LIB_DEFINE have been removed from the makefiles.

Regards,
Thomas Mertes

--
Seed7 Homepage:  http://seed7.sourceforge.net
Seed7 - The extensible programming language: User defined statements
and operators, abstract data types, templates without special
syntax, OO with interfaces and multiple dispatch, statically typed,
interpreted or compiled, portable, runs under linux/unix/windows.

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Seed7 Release 2018-05-13 mertesthomas@gmail.com - 2018-05-13 02:10 -0700

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