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* Adding poll function.Kaz Kylheku2015-04-285-1/+191
| | | | | | | | | | | | | | * configure: Check for the poll function and set HAVE_POLL accordingly in config.h. * stream.h (fd_k): External declaration added. * sysif.c (poll_wrap): New function. (sysif_init): Registered poll-in, poll-out, poll-err, poll-pri, poll-rdhup, poll-nval, poll-rdband, poll-wrband variables and poll function. * txr.1: Documented poll.
* Version 107.txr-107Kaz Kylheku2015-04-267-170/+204
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* Allow (force ...) to be an assignable place.Kaz Kylheku2015-04-253-12/+42
| | | | | | | | | | | | | | This allows mlet variables to be assignable. * eval.c (force_s): New global variable. (op_modplace): Handle force form. (me_mlet): Use force_s symbol. (force_l): New static function. (eval_init): Initialize force_s variable. Use it in registration of force function. * txr.1: Remove text in mlet definition that variables are not assignable. Replace with note about an unspecified behavior.
* Introducing mlet macro.Kaz Kylheku2015-04-253-1/+175
| | | | | | | * eval.c (me_mlet): New static function. (eval_init): Registered mlet macro. * txr.1: Documented mlet.
* * lib.c (symbol_package): If the argument is nil, returnKaz Kylheku2015-04-252-1/+7
| | | | | the user package directly, not the value of the *user-package* variable.
* Remove silly package lookup from keywordp.Kaz Kylheku2015-04-253-2/+14
| | | | | | | | | | This tiny change yields a 165% (2.65X) speedup in the tst/tests/011/mandel.txr test case. * lib.c (keywordp): Use keyword_package_var instead of the keyword_package macro which looks up the global environment. * parser.y (sym_helper): Likewise.
* Regression: runaway allocation of heaps.Kaz Kylheku2015-04-242-1/+13
| | | | | | | | | | * gc.c (make_obj): Fix regression introduced on 2014-10-18, released in TXR 100. Because make_obj discontinues placing objects into the freshobj_array when the full_gc flag has been set, it is incorrect to allocate another heap when the free list is exhausted and the freshobj_array has room remaining. It has room remaining because it is disused.
* * gc.c (make_obj, gc): The check for insufficient space in freshobjKaz Kylheku2015-04-242-3/+9
| | | | array after a gc is moved into the gc function.
* * gc.c (gc): Minor off-by-one: compare gc_counter to FULL_GC_INTERVALKaz Kylheku2015-04-242-1/+6
| | | | rather than FULL_GC_INTERVAL - 1, since it is pre-incremented.
* * txr.1: lconsp: unterminated syntax block.Kaz Kylheku2015-04-231-0/+1
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* * txr.1: name typo in lcons sample implementation.Kaz Kylheku2015-04-231-1/+1
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* Switch to in-tree mpi directory.Kaz Kylheku2015-04-2224-1884/+20
| | | | | | | | | | | | | | | | * Makefile (CFLAGS, MPI_OBJS): Refer to mpi directory without version number. (repatch): Target removed. (distclean): Don't try to remove old unpacked tarball mpi directory. * configure (mpi_version, have_quilt, have_patch): Variables removed. (gen_config_make): Do not generate mpi_version make variable. Do not test for quilt or patch. No longer extract MPI tarball or try to apply patches. * mpi-1.8.6.tar.gz: File removed. * mpi-patches: Directory and all files under it removed.
* eliminate-locale-dependencies patchKaz Kylheku2015-04-221-9/+14
| | | | | | | Eliminating dependencies on locale-dependent C functions. * mpi/mpi.c (s_mp_tovalue, s_mp_todigit): Avoid tolower, toupper, islower and isupper.
* add-bitops patchKaz Kylheku2015-04-222-0/+441
| | | | | | | | | | | Adding bit operations to MPI. * mpi/mpi.c (MAX, MIN): New macros. (mp_2comp, mp_and, mp_or, mp_xor, mp_comp, mp_trunc, mp_shift, mp_bit): New functions. * mpi/mpi.h (mp_2comp, mp_and, mp_or, mp_xor, mp_comp, mp_trunc, mp_shift, mp_bit): Declared.
* fix-ctype-warnings patchKaz Kylheku2015-04-221-3/+3
| | | | | * mpi/mpi.c (s_mp_tovalue): Argument changes from char to int, fixing some compiler warnings.
* mpi-to-double patchKaz Kylheku2015-04-222-0/+29
| | | | | | * mpi/mpi.c (mp_to_double): New function. * mpi/mpi.h (mp_to_double): Declared.
* faster-square-root patchKaz Kylheku2015-04-221-74/+70
| | | | | * mpi/mpi.c (s_highest_bit_mp, s_mp_set_bit): New functions. (mp_sqrt): Rewrite with more efficient algorithm.
* shrink-mpi-int patchKaz Kylheku2015-04-221-0/+5
| | | | | | * mpi/mpi.h (mp_int): Depending on the relative size of int and pointers, turn the sign and alloc fields into bitfields, so that the structure is three words wide and therefore fits into a TXR obj_t heap object.
* bit-search-optimizations patchKaz Kylheku2015-04-221-30/+232
| | | | | * mpi/mpi.c (s_highest_bit): New static function. (s_mp_norm, s_mp_ispow2): Use s_highest_bit instead of looping over bits.
* fix-bad-shifts patchKaz Kylheku2015-04-221-5/+5
| | | | | | * mpi/mpi.c (mp_div_d, s_mp_mod_2d, s_mp_mul_2d, s_mp_div_2d, s_mp_2expt): Fixing incorrect digit-wide left shifts whre the operand is not widened to the mp_digit type.
* mpi-set-double-intptr patchKaz Kylheku2015-04-222-0/+33
| | | | | | * mpi/mpi.c (mp_set_double_intptr): New function. * mpi/mpi.h (mp_set_double_intptr): Declared.
* mpi-set-mpi-word patchKaz Kylheku2015-04-222-0/+10
| | | | | | * mpi/mpi.c (mp_set_word): New function. * mpi/mpi.h (mp_set_word): Declared.
* fix-mult-bug patchKaz Kylheku2015-04-221-6/+6
| | | | | | | | Fixing bugs in MPI whereby two digits are multiplied together, but neither operand is cast to the double digit type, so that the result is truncated. * mpi/mpi.c (s_mp_mul_d, s_mp_mul, s_mp_sqr): Add casts to achieve multiplication of the proper width.
* add-mpi-toradix-with-case patchKaz Kylheku2015-04-222-4/+10
| | | | | | | | * mpi/mpi.c (mp_toradix_case): New function based on mp_toradix. Takes an argument whether to use lower case digits. (mp_toradix): Reduced to wrapper for mp_toradix_case. * mpi/mpi.h (mp_toradix_case): Declared.
* add-mp-hash patchKaz Kylheku2015-04-222-0/+30
| | | | | | * mpi/mpi.c (mp_hash): New function. * mpi/mpi.c (mp_hash): Declared.
* export-mp-eq patchKaz Kylheku2015-04-222-8/+4
| | | | | | * mpi/mpi.c (MP_LT, MP_EQ, MP_GT): Preprocessor symbols removed. * mpi/mpi.h (MP_LT, MP_EQ, MP_GT): Preprocessor symbols added.
* add-mp-set-intptr patchKaz Kylheku2015-04-222-0/+55
| | | | | | * mpi/mpi.c (mp_set_intptr, mp_get_intptr): New functions. * mpi/mpi.h (mp_set_intptr, mp_get_intptr): Declared.
* use-txr-allocator patchKaz Kylheku2015-04-221-6/+9
| | | | | | | | | * mpi/mpi.c (mem_t): TXR's mem_t typedef repeated here. (chk_calloc): New external declaration, to avoid including our entire lib.h header. (s_mp_alloc): Macro retargetted to use chk_calloc. (mp_init_size, mp_init_copy, mp_copy, s_mp_grow, s_mp_copy): Return value casts added.
* fix-warnings patchKaz Kylheku2015-04-222-7/+7
| | | | | | | * mpi/mpi.c (mp_to_unsigned_bin, s_mp_mod_2d): Fix signed/unsigned warning. (mp_toradix): Fix shadowing local variable name warning. * mpi/mplogic.c (mpl_num_set, mpl_num_clear): Fix signed/unsigned warning.
* config-types patchKaz Kylheku2015-04-223-13/+54
| | | | | | | | * mpi/mpi-types.h: Rewritten by hand to use make use of information produced by TXR's configure script into config/config.h. * mpi/mpi.c, mpi/mplogic.c: Include the config.h header, now needed by mpi-types.h.
* Bringing MPI library out of tarball into GIT.Kaz Kylheku2015-04-229-0/+5597
| | | | Importing 1.8.6 upstream baseline, minus unwanted stuff.
* delay/force overhaul.Kaz Kylheku2015-04-222-7/+45
| | | | | | | | | | | | | * eval.c (promise_forced_s, promise_inprogress_s): New symbol variables. (me_delay): Change representation of promises so that the original delay form is stashed there for better reporting in the force function. Also, propagate the debug info from the second argument of the form to the entire form; otherwise it will inherit it from elsewhere. (force): Rewritten to follow new three-state representation to detect the recursive case and diagnose it. (eval_init): Register new symbol variables.
* * txr.1: Fix formatting issuesKaz Kylheku2015-04-221-10/+10
| | | | whilet, whenlet, iflet, for*
* ChangeLog fixup: "Version 106" missing.Kaz Kylheku2015-04-211-0/+2
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* Version 106.txr-106Kaz Kylheku2015-04-215-4/+105
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* Bugfix: throwing error when trying to print valid regexps.Kaz Kylheku2015-04-192-1/+9
| | | | | | * regex.c (print_rec): Only dianose "bad object in regex syntax" for some atom other than nil, which denotes an empty (sub)expression, like what results from #// or #/a|/ and such.
* Do not allow unrecognized escapes in regex.Kaz Kylheku2015-04-193-16/+46
| | | | | | | | | | | | * parser.l (REGOP): New regex alias for matching all regex special characters. (grammar): Several rules for regex special characters merged together. New rule introduced to match a special character after a backslash, making it literal. The old rule which makes literal any character after a backslash now throws an error, unless version 105 comaptibility is selected. * txr.1: Documented this behavior change.
* Improvement in error reporting.Kaz Kylheku2015-04-192-15/+24
| | | | | | | | | | | | This fix prevents certain situations when an inappropriate form is reported, in the default unhandled exception handler, as pertaining to an error. * eval.c (do_eval): Save and restore the last_form_evaled, in an exception-unsafe way. If we successfully evaluate a form or subform, we can restore the previous one. (expand): Save and restore last_form_expanded similarly. We don't need the unwind block and counter.
* Adding lcons macro.Kaz Kylheku2015-04-185-217/+308
| | | | | | | | | * eval.c (me_lcons): New function. (eval_init): Registered lcons macro. * txr.1: Documented lcons. * tl.vim, txr.vim: Regenerated.
* Adding getenv, setenv and unsetenv.Kaz Kylheku2015-04-187-262/+380
| | | | | | | | | | | | | | * lib.c (setenv, unsetenv): Changed static functions to external. Moved them out of the #if !HAVE_TIMEGM block. * lib.h (setenv, unsetenv): Declared. * sysif.c (getenv_wrap, setenv_wrap, unsetenv_wrap): New functions. (sysif_init): Registered getenv, setenv and unsetenv. * txr.1: Documented getenv, setenv and unsetenv. * tl.vim, txr.vim: Regenerated.
* Fix quasistring regression introduced in TXR 81.Kaz Kylheku2015-04-182-0/+26
| | | | | | | | * parser.y (expand_meta): This function must recognize quasistrings, inside (sys:quasi ...) forms, (sys:var ...) forms do not denote TXR Lisp variables. These must not be expanded. Doing so is not only wrong, but the way it was done broke brace variables by stripping their arguments.
* Adding exit* function which calls _exit.Kaz Kylheku2015-04-165-280/+331
| | | | | | | | | * sysif.c (exit_star_wrap): New static function. (sysif_init): Registered exit* intrinsic. * txr.1: Documented exit*. * tl.vim, txr.vim: Regenerated.
* * txr.1: Fixed inconsistency in style of some function headings.Kaz Kylheku2015-04-161-6/+6
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* Add exec and pipe functions.Kaz Kylheku2015-04-166-282/+393
| | | | | | | | | | | * configure: Check for pipe. * sysif.c (exec_wrap, pipe_wrap): New static functions. (sysif_init): Register exec and pipe intrinsics. * txr.1: Documented exec and pipe. * tl.vim, txr.vim: Regenerated.
* Adding chmod.Kaz Kylheku2015-04-166-320/+412
| | | | | | | | | | | * configure: Detect chmod. * sysif.c (chmod_wrap): New function. (sysif_init): Register chmod intrinsic. * txr.1: Documented. * tl.vim, txr.vim: Regenerated.
* * txr.1: Moving Unix-specific material to appropriate sections.Kaz Kylheku2015-04-161-131/+134
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* Adding dotimes macro.Kaz Kylheku2015-04-163-0/+71
| | | | | | | * eval.c (me_dotimes): New function. (eval_init): Registering dotimes macro. * txr.1: Documented dotimes.
* Fix escaping issues in open-process on Windows.Kaz Kylheku2015-04-152-12/+64
| | | | | | | | | | | | | | | This can now execute programs with spaces in their path names. Arguments can contain embedded double quotes, and other characters that are special to cmd.exe, like &, |, (, ), ^ and others. * stream.c (string_extend_count, win_escape_cmd): New static functions. (win_escape_arg): Fix and extend escaping scheme to cover not only the argument processing scheme implemented by programs which use Microsoft's C library, but also to smuggle the command line through cmd.exe. (win_make_cmdline): Use win_escape_cmd to wrap the command. Escape the quotes which are placed around arguments, so cmd.exe doesn't interpret them, which will cause it to suppress its processing of the caret escapes.
* Allow quasiquotes in braces and quasiliterals, and quotes in braces.Kaz Kylheku2015-04-153-6/+14
| | | | | | | | | * parser.l: Consolidate rules for recognizing quote, unquote, and quasiquote. An effect of this is that quasiquotes can now occur in braces and in string quasiliterals. * parser.y (quasi_item): Support quotes and quasiquotes as quasi items: that is to say, i.e. objects denoted by @ in a quasiliteral.
* Diagnose trailing junk in numeric literals.Kaz Kylheku2015-04-142-14/+28
| | | | | | | * parser.l: Combining the handling of hex, octal and binary numeric literals into a single rule. Implementing an additional rule which diagnoses such tokens that have trailing junk. Thus, something like #x1F2AZ is now invalid syntax.