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* txr: allow variable to span vertical function.Kaz Kylheku2021-12-261-0/+15
| | | | | | | | | | | | | | | * match.c (v_var_compat, v_var): New static functions. (match_files): No longer recognize v_var specially; it is now handled via vertical table. (dir_tables_init): Register a vertical sys:var directive also via v_var function. (match_compat_fixup): New function. * txr.c (compat): Call match_compat_fixup. * tests/010/span-var.txr: New file. * txr.1: Documented.
* new feature: :mass-delegate struct clause macro.Kaz Kylheku2021-12-231-0/+33
| | | | | | | | | | | | | | | With :mass-delegate, it is possible to generate delegation methods in bulk. All of the methods of a struct type can be mirrored by delegates in another struct type just by writing a single :mass-delegate clause. * stdlib/struct.tlk (:mass-delegate): New struct clause macro. * tests/012/oop.tl: New tests. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* eval: fix optional parameter bug from 2014.Kaz Kylheku2021-12-231-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This bug affects optional parameters which either have no default expression, or one that is nil. For instance x in (lambda (: (x nil))) or (lambda (: x)). When such a parameter is given the : symbol as an argument, it is not being bound, as if it weren't there. ((lambda (: x) x) :) -> ;; error: unbound variable x This issue is not a regression; it was introduced in the commit which introduced the colon convention to optionals, as well as init expressions and presence-indicating variables, commit 68c084269581f32f0a7b859446ae2efb6c6a26c0 made in February 2014. This might be the first instance of an interpreter bug being found that is not present in the compiler. * eval.c (bind_args): The idea here was that when the argument to an optional the colon keyword symbol, and the optional's initform is nil, we can skip the overhead of calling eval to get that initform's value. Unfortunately, the skip was extended over the code which binds the parameter. Only the eval can be skipped! * tests/012/lambda.tl: New test cases to cover this.
* new feature: defstruct clause macros.Kaz Kylheku2021-12-221-0/+15
| | | | | | | | | | | | | | | | | | | | | | * lisplib.c (struct_set_entries): Trigger autoload on new symbols define-struct-clause and *struct-clause-expander*. * stdlib/struct.tl (*struct-clause-expander*): New variable. (defstruct): expand-slot local function now returns list of expanded slots, not a single slot; every case in the tree-case is converted to return a list. The syntax of a slot clause is first expanded through *struct-clause-expander hash; if that works then the resulting list is further scanned for expansions. (define-struct-clause): New macro. (:delegate): New struct clause defined with define-struct-clause. Provides single-slot delegation. * tests/012/oop.tl: Tests for :delegate. * txr.1: Documented define-struct-clause and :delegate. * stdlib/doc-syms.tl: Updated.
* The pairlis function comes to TXR Lisp.Kaz Kylheku2021-12-221-0/+8
| | | | | | | | | | | | * eval.c (eval_init): Register pairlis intrinsic. * lib.c, lib.h (pairlis): New function. * tests/012/seq.tl: New test cases. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* New functions: subq, subql, subqual and subst.Kaz Kylheku2021-12-221-0/+50
| | | | | | | | | | | | | | | * eval.c (eval_init): Register new intrinsics. * lib.c, lib.h (subq, subql, subqual, subst): New functions. * tests/012/seq.tl: New test cases. * stdlib/optimize.tl (subst): Function removed. The new subst drop-in replaces this one. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* less: bug, vectors not supported.Kaz Kylheku2021-12-201-0/+21
| | | | | | | | * lib.c (less_tab_init): Add missing initialization for VEC, with a priority above CONS: all vectors are greater than conses. The BUF priority is bumped to 7. * test/012/less.tl: New file.
* tree: new functions for priority queue operation.Kaz Kylheku2021-12-181-0/+30
| | | | | | | | | | | | | | | | * tree.c (tree_min_node, tree_min, tree_del_min_node, tree_del_min): New functions. (tree_init): tree-min-node, tree-min, tree-del-min-node, tree-del-min: New intrinsics registered. * tree.h (tree_min_node, tree_min, tree_del_min_node, tree_del_min): Declared. * txr.1: Documented. * tests/010/tree.tl: New tests. * stdlib/doc-syms.tl: Updated.
* tree: bugfix wrong tree-count.Kaz Kylheku2021-12-181-0/+10
| | | | | | | | | | | | | When duplicate keys are inserted in the default way with replacement, the tree size must not be incremented. * tree.c (tr_insert): Increment the tr->size and maintain tr->max_size here. In the case of replacing an existing node, do not touch the count. * tests/010/tree.tl: Add test cases covering duplicate insertion and tree-count. (tree_insert_node): Remove unconditional size increment.
* tree: support for duplicate keys.Kaz Kylheku2021-12-171-0/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree.c (tr_insert): New argument for allowing duplicate. If it is true, suppresses the case of replacing a node, causing the logic to fall through to traversing right, so the duplicate key effectively looks like it is greater than the existing duplicates, and gets inserted as the rightmost duplicate. (tr_do_delete_specific, tr_delete_specific): New static functions. (tree_insert_node): New parameter, passed to tr_insert. (tree_insert): New parameter, passed to tree_insert_node. (tree_delete_specific_node): New function. (tree): New parameter to allow duplicate keys in the elements sequence. (tree_construct): Pass t to tree to allow duplicate elements. (tree_init): Update registrations of tree, tree-insert and tree-insert-node. Register tree-delete-specific-node function. * tree.h (tree, tree_insert_node, tree_insert): Declarations updated. (tree_delete_specific_node): Declared. * lib.c (seq): Pass t argument to tree_insert, allowing duplicates. * parser.c (circ_backpatch): Likewise. * parser.y (tree): Pass t to new argument of tree, so duplicates are preserved in the element list of the #T literal. * y.tab.c.shipped: Updated. * tests/010/tree.tl: Test cases for duplicate keys. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* tree-count: new function.Kaz Kylheku2021-12-171-2/+10
| | | | | | | | | | | | | * tree.c (tree_count): New function. (tree_init): tree-count intrinsic registered. * tree.h (tree_count): Declared. * lib.c (length): Support search tree argument via tree_count. * tests/010/tree.tl: Test cases for tree-count, indirectly via len. * txr.1: Documented.
* define-accessor: fix broken arg handling.Kaz Kylheku2021-12-101-0/+12
| | | | | | | | | | | I discovered this off chance by searching for occurrences of (let ,(zip ...) ...) or (let (,*(zip ...)) ...) in the code base, noticing an incorrect one. * stdlib/place.tl (sys:register-simple-accessor): Remove spurious list around ,(zip temps args). * tests/012/defset.tl: Test cases for define-accessor added.
* each-match macro family: missing anon block.Kaz Kylheku2021-12-081-0/+3
| | | | | | | | | | | | | | | | | * txr.1: Adding the missing requirement that each-match and the other macros in that family must have an implicit anonymous block around the body forms. This is a requirements bug, effectively: the programmer expects these operators to be consistent with the each operator, as part of the same family. * match.tl (each-match-expander): Implement the requirement. Since we are using mapping functions, we must use temporary variables: the evaluation of the expressions which produce the sequence argument values to the mapping functions must be outside of the anonymous block. The block must surround only the function call. * tests/011/patmatch.tl: Add small test case covering this.
* case macros: bug in singleton key optimization.Kaz Kylheku2021-12-081-0/+32
| | | | | | | | | | | | * eval.c (me_case): Reduce (key) to key only if key is an atom. Otherwise we reduce ((a b c)), which is a single list-valued key to (a b c), which looks like three keys. This was introduced on Oct 25, 2017 in commit b72c9309c8d8f1af320dce616a69412510531b48, making it a regression. * tests/012/case.tl: New file. The last test case fails without this bugfix. The others pass either way.
* rot, nrot: new functions.Kaz Kylheku2021-12-071-0/+78
| | | | | | | | | | | | | | * eval.c (eval_init): nrot, rot intrinsics registered. * lib.c (nrot, rot): New functions. * lib.h (nrot, rot): Declared. * tests/012/seq.tl: New test cases. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* tuples*: new function.Kaz Kylheku2021-12-041-0/+47
| | | | | | | | | | | | | | | * eval.c (eval_init): Register tuples* intrinsic. * lib.c (tuples_star_func): New static function. (tuples_star): New function. * lib.h (tuples_star): Declared. * tests/012/seq.tl: New test cases. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* tuples: add test cases.Kaz Kylheku2021-12-021-1/+48
| | | | * tests/012/seq.tl: Numerous test cases for tuples.
* tuples: check length argument.Kaz Kylheku2021-12-021-0/+3
| | | | | | | * lib.c (tuples): Check that n argument giving tuple size is a is a positive integer. * tests/012/seql.tl: Test case added.
* hash: 64 bit string and buffer hashing and seeds.Kaz Kylheku2021-11-172-52/+51
| | | | | | | | | | | | | | | | | | * hash.c (randbox, hash_c_str, hash_buf): Separate implementation for 64 bit pointers, using 64 bit random values, and producing a 64 bit hash, taking in a 64 bit seed. (gen_hash_seed): Use time_sec_nsec to get nanoseconds. On 64 bit, put together the seed differently to generate a wider value. * tests/009/json.txr: Change from hash tables to lists, so the order of the output doesn't change between 64 and 32 bits, due to the different string hashing. * tests/009/json.expected: Updated. * txr.1: Documented that seeds are up to 64 bits, but with possibly only the lower 32 bits being used.
* match: unquoted quasiliteral patterns don't work.Kaz Kylheku2021-10-261-0/+5
| | | | | | * tests/011/patmatch.tl: Add failing test cases. * txr.1: Document desired requirements.
* syntax: add tests for #; syntax.Kaz Kylheku2021-10-231-0/+12
| | | | * tests/012/syntax.tl: New tests, some of which fail.
* load-time: new tests.Kaz Kylheku2021-10-221-0/+30
| | | | | | Add three tests; the first and third fail. * tests/019/load-time.tl: New file.
* path-equal: enable and fix failing tests.Kaz Kylheku2021-10-201-3/+2
| | | | | | | | | * stdlib/copy-file.tl (path-simplify): If the incoming path's first component is "", it is absolute; in that case swallow any components that go above. * tests/018/path-equal.tl: Uncomment two previously failing tests.
* pic: support parenthesis negative notation.Kaz Kylheku2021-10-191-3/+19
| | | | | | | | | | * pic.tl (add-neg-parens): New system function. (expand-neg-parens): New macro. (expand-pic): New numeric pattern with parentheses. Also suport escaping of parentheses. (pic): Recognize parenthesized numeric pattern here also. * tests/018/format.tl: New tests.
* pic: digit separator tests.Kaz Kylheku2021-10-181-0/+24
| | | | * tests/018/format.tl: New test cases.
* pic: preserve decimal period in ### overflow fill.Kaz Kylheku2021-10-181-4/+4
| | | | | | | | | | | | | | | | | | * pic.tl (expand-pic-num): If the overflowing field specifies a decimal point other than in the rightmost position, then stick one into the fill pattern. The motivation for this is that it harmonizes with the digit separators. The new digit separator insertion logic will treat the # characters like digits, and requires the embedded decimal in order to work properly. Allowing digit separation to work in the fill pattern will make for better looking output in column displays. That's the same reason why we insert digit separators among leading zeros. * tests/018/format.tl: Overflow test cases updated in light of this requirement change. * txr.1: Documented.
* printer: bug: fallback syms printed without prefix.Kaz Kylheku2021-10-123-1/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | This is a basic read/print consistency problem. When a symbol is printed that is anywhere in the fallback list of the current package, we are dumping it unqualified, even if it is hidden by a same-named symbol in the current package itself or such a symbol occurring earlier in the fallback list. * lib.c (symbol_needs_prefix): When the to-be-printed symbol is found in the fallback list, re-scan the current package for a symbol having the same name, as well as the preceding nodes in the fallback list. If such a symbol is found, then the to-be printed symbol must be package-qualified. * tests/012/syms.expected: New file. * tests/012/syms.tl: Likewise. * tests/012/compile.tl: Pull syms into compile job. * txr.1: Clarify text about this. The existing text's only reasonable interpretation supports the behavior which this patch ensures (which is needed on grounds of read/print consistency) but the text lacks precision.
* New path-equal function.Kaz Kylheku2021-10-101-0/+18
| | | | | | | | | | * lisplib.c (copy_file_set_entries): Add path-equal to autoload symbols. * stdlib/copy-file.tl (path-equal): New function. * tests/018/path-equal.tl: New file. * txr.1: Documented.
* ffi: fix broken range checks in enumed type.Kaz Kylheku2021-10-091-0/+54
| | | | | | | | | | | | | Reported by Paul A. Patience. * ffi.c (make_ffi_type_enum): Do not use the cnum native type for doing the member value calculations. Work with Lisp numbers, and verify their range by passing them into the put function of the underlying integer type. Duplicated code is merged, too. * tests/017/ffi-misc.tl: New tests. Two 64 bit ones fail due to conversion bugs.
* unix: fix sock-opt test case.Kaz Kylheku2021-10-051-2/+2
| | | | | | | | | | | | | | | On systems with true Unix heritage, like Solaris, MacOS/Darwin, and undoubtedly various BSDs, getsockopt is returning a bitmask value for some options , rather than 1. For instance if we enable SO_REUSEADDR, and then read back the value of the option, we get 4 and not 1. This is because the value of the SO_REUSEADDR symbol itself is 4; it is a mask. The kernel code is evidently just masking out the desired option out of the option mask, and returning the mask value without reducing it to 0 or 1. * tests/014/socket-misc.tl: Test the result of sock-opt for nonzero using nzerop rather than testing specifically for 1.
* cygwin: environment-related fixes.Kaz Kylheku2021-10-051-13/+14
| | | | | | | * stream.c (run): replace_env takes only one argument. * tests/018/process.tl: *child-env* tests are reporting some extra environment variables on Windows; let's just disable them.
* awk: :fields specifies conversions.Kaz Kylheku2021-10-041-1/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * stdlib/awk.tl (sys:awk-compile-time): Slot field-names renamed to field-name-conv. (sys:awk-expander): Parse the new syntax which allows (sym fn) pairs with optional fn, creating a list of normalized items in the field-name-conv slot of the compile-time structure. (sys:awk-symac-let): Adjust the code to the pair representation in field-name-conv. (sys:awk-field-name-code): New function for generating the field conversion code. (awk): Now that we have two optional pieces of code to wrap around p-actions form, we factor that out of the awk-lambda, to a series of conditional assignments. Here we handle the generation of the field conversionns. * conv.tl (sys:conv-expand-sym): New macro, used in sys:awk-field-name-code and sys:conv-let. (sys:conv-let): Simplify with sys:conv-expand-sym. Drop optional argument from i; it connects with no documented feature, and is not usable from fconv. * tests/015/awk-fields.tl: New tests. * txr.1: Updated, including cruft in fconv documentation. Change-Id: Ie42819f58af039fdbcdb1ae365c89dc1add55c93
* awk: new :fields feature for named fields.Kaz Kylheku2021-10-011-0/+18
| | | | | | | | | | | | | * stdlib/awk.tl (sys:awk-compile-time): New slot, field-names. (sys:awk-expander): Validate and store field-names into compile-time structure. (sys:awk-symac-let): New macro. (awk): Wrap sys:awk-symac-let around code to generate field name macros. * tests/015/awk-fields.tl: New file. * txr.1: Documented.
* quantile: fix test needing nonportable amount of precision.Kaz Kylheku2021-09-272-11/+14
| | | | | | | | | | | | | | * tests/common.tl (sstest): New macro. Like stest, but the right hand side is an object which the macro turns to a string, rather than expecting a string. * tests/016/arith.tl: Use the sstest macro for the main quantile test to compare the result and expected value as character strings rather than objects. Specify the expected values using no more than 14 decimal digits of precision, and over the scope of the test case, restrict floating-point printing to 14 digits. Thus, we effectively have quick and dirty epsilon comparison to 14 digits that recurses over the list, without having to write that as a function.
* New variable: *child-env*.Kaz Kylheku2021-09-261-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | This specifies the environment to be used for executing programs. * stream.c (open_subprocess, run): Check *child-env* variable and if other than t, then install the environment before execvp. In the spawn-based version of run, we save and restore the environment around the spawn call, if *child-env* is in effect. * sysif.c (child_env_s): New symbol variable. (exec_wrap): If *child-env* is other than t, then save the environment in a list, and install the specified environment before calling execvp. If that function returns, restore the environbment. * sysif.h (child_env_s): Declared. (child_env): New macro. * tests/018/process.tl: New tests. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* quantile: fix failing test.Kaz Kylheku2021-09-251-1/+1
| | | | | * arith.tl: Somehow I committed some wrong expected numbers in a quantile test, yet didn't catch the test failure.
* path-search: rewrite in C with saner semantics.Kaz Kylheku2021-09-251-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | The new function: - just returns the name if it contains path name components. - returns nil if the name is "." or "..". - tests for existence only, not permission to execute. * lisplib.c (path_test_set_entries): Do not auto-load path-test module on the path-search symbol, since it is no longer implemented there. * stdlib/path-test.tl (path-search): Function removed. * stream.c (path_var_sep_char): New global variable. (path_search): New function. (detect_path_separators): Also set path_var_sep_char to semicolon on Cygnal. (stream-init): Register path-search intrinsic here now. * stream.h (path_var_sep_char, path_search): Declared. * tests/018/path-test.tl: New tests. * txr.1: Documentation revised for path-search.
* New variants of each operator for sum and product.Kaz Kylheku2021-09-231-0/+58
| | | | | | | | | | | | | | | | | | | | | | | | | * lisplib.c (arith_each_instantiate, arith_each_set_entries): New functions. (each_prod_set_entries): Add sum-each-prod, sum-each-prod*, mul-each-prod and mul-each-prod* as autoload triggers for each-prod.tl, where those macros are now defined. (lisplib_init): Register autoloading of arith-each.tl via the two new functions. * stdlib/arith-each.tl: New file. * stdlib/each-prod.tl (sys:expand-each-prod*): Handle sum-each-prod* and mul-each-prod* in the same way, by mapping to their parallel binding counterparts. (sys:expand-arith-each-prod): New function. (sym-each-prod, mul-each-prod, sum-each-prod*, mul-each-prod*): New macros. * tests/016/arith.tl: New tests. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* math: quantile estimator using P-Squared algorithm.Kaz Kylheku2021-09-221-0/+31
| | | | | | | | | | | | | | | | | | | * Makefile (psquare.o): New object file. * arith.c (psq_ops): New static structure. (quant_fun): New static function. (quantile): New function. (arith_init): Register quantile intrinsic. * arith.h (quantile): Declared. * psquare.c, psquare.h: New files. * tests/016/arith.tl: New tests. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* ffi, sockets: add sock-opt and sock-set-opt.Paul A. Patience2021-09-121-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new sock-opt and sock-set-opt functions are wrappers around getsockopt and setsockopt, respectively. All POSIX socket options are registered. Platform-specific options may be added in the future. * ffi.c (sock_opt, sock_set_opt): New functions. (ffi_init): Register sock-opt, sock-set-opt, sol-socket, ipproto-ip, ipproto-ipv6, ipproto-tcp, ipproto-udp, so-acceptconn, so-broadcast, so-debug, so-dontroute, so-error, so-keepalive, so-linger, so-oobinline, so-rcvbuf, so-rcvlowat, so-rcvtimeo, so-reuseaddr, so-sndbuf, so-sndlowat, so-sndtimeo, so-type, ipv6-join-group, ipv6-leave-group, ipv6-multicast-hops, ipv6-multicast-if, ipv6-multicast-loop, ipv6-unicast-hops, ipv6-v6only, tcp-nodelay. * lisplib.c (sock_set_entries): Add sock-opt and sock-set-opt. * stdlib/socket.tl (sock-opt): Define as syntactic place. * tests/014/socket-misc.tl: New cases, for sock-opt. (set-and-get): New macro. * txr.1: Documented. Also, mention that sock-bind enables so-reuseaddr. * stdlib/doc-syms.tl: Updated.
* sockets: add test for recent sock-peer place issue.Kaz Kylheku2021-09-111-1/+5
| | | | | * tests/014/socket-misc.tl: Test that we can perform a place update operation on a (sock-peer s) place.
* sockets: bug in clearing SOCK_* type flags.Kaz Kylheku2021-09-111-0/+4
| | | | | | | | | | | | | | | | | | | | Paul A. Patience reports a regression in 3d5d525eb525cfad8f643917c31e3d9fedce2874, whereby the code marked with #if SOCK_NONBLOCK || SOCK_CLOEXEC is being excluded by the preprocoessor, and so those flags are not being cleared from the socket type that we retain. This is because these preprocessor symbols are not necessarily integer constants. They may expand to C enum identifiers, in which case, in preprocessor expressions they appear to take on the value zero. * socket.c (open_socket, socketpair_wrap): Use the if statement to test for SOCK_NONBLOCK or SOCK_CLOEXEC being nonzero, rather than a preprocessor #if. This should still be optimized away as unreachable code if they are zero. * tests/014/socket-misc.tl: New file.
* exceptions: hack to store errno in string object.Kaz Kylheku2021-09-071-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Basic idea: when we throw an exception that pertains to a system error which has an errno code, we can stick the errno into the memory area of the character string, into the wchar_t that immediately follows the null terminator. We can do this because strings track their actual allocation size. A pair of setter/getter functions to set and retrieve this value are provided, and all functions in the code which can set such a code are updated to do so, simply by calling the newly added uw_ethrowf that drop-in replaces for uw_throwf. * lib.[ch] (string_set_code, string_get_code): New functions. * unwind.[ch] (uw_ethrowf): New function. * eval.c (eval_init): Register string-set-code and string-get-code intrinsics. * ftw.c (ftw_wrap): Switch to uw_ethrowf. * parser.c (open_txr_file): Likewise. * socket.c (dgram_overflow): Store the ENOBUFS error in errno, and use uw_ethrowf instead uw_throwf. (dgram_get_byte_callback, dgram_flush, sock_bind, to_connect, open_sockfd, sock_connect, sock_listen, sock_accept, sock_shutdown, sock_timeout, socketpair_wrap): Switch to uw_ethrowf. * stream.c (dev_null_get_fd, stdio_maybe_read_error, stdio_maybe_error, stdio_close, pipe_close, open_directory, open_file, open_fileno, open_tail, fds_subst, open_subprocess, open_command, remove_path, rename_path, tmpfile_wrap, mkdtemp_wrap, mkstemp_wrap): Switch to uw_ethrowf. * sysif.c (mkdir_wrap, ensure_dir, chdir_wrap, getcwd_wrap, rmdir_wrap, mknod_wrap, mkfifo_wrap, chmod_wrap, do_chown, symlink_wrap, link_wrap, readlink_wrap, close_wrap, val exec_wrap, stat_impl, do_utimes, pipe_wrap, poll_wrap, getgroups_wrap, setuid_wrap, seteuid_wrap, setgid_wrap, setegid_wrap, setgroups_wrap, getresuid_wrap, setresuid_wrap, setresgid_wrap, crypt_wrap, uname_wrap, opendir_wrap, getrlimit_wrap, setrlimit_wrap): Likewise. * termios.c (tcgetattr_wrap, tcsetattr_wrap, tcsendbreak_wrap, tcdrain_wrap, tcflush_wrap, tcflow_wrap): Likewise. * tests/018/errno.tl: New file. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* load: new macros push-after-load and pop-after-load.Kaz Kylheku2021-09-031-0/+10
| | | | | | | | | | | | | * eval.c (me_push_after_load, me_pop_after_load): New static functions. (eval_init): Register push-after-load and pop-after-load intrinsic macros. * tests/019/load-hook.tl: Tests for correct expansion. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* New function: delcons.Kaz Kylheku2021-09-021-0/+14
| | | | | | | | | | | | * eval.c (eval_init): Register delcons intrinsic. * lib.[ch] (delcons): New function. * tests/010/cons.tl: New file. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* load: new *load-hooks* feature.Kaz Kylheku2021-09-022-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | *load-hooks* lets a .txr, .tl or .tlo file specify actions to be taken when the loading of that file completes, whether normally or via an exception. They are also honored by process exit. For instance, with this, we can have a Lisp file that behaves like a script which cleans up after itself (e.g. removing temporary files) even if it is not run as a stand-alone program, but invoked via (load ...). Because it's not a stand-alone program, it cannot simply use the at-exit-call mechanism. The unwind-protect operator could be used, but it's inconvenient because it protects a single form. The *load-hooks* feature in effect protects all the top level forms of a load, similarly to unwind-protect. Also, unwind-protect does not guard against a process exit. (However, *load-hooks* does not guard against an abnormal exit, only normal termination). * eval.c (load_hooks_s): New symbol variable. (run_load_hooks): New function. (run_load_hooks_atexit): New static function. (load): bind *load-hooks* to nil around load. Implement the hooks processing via run_load_hooks, taking care to pass the load-time dynamic environment that has already been undone. (eval_init): Initialize load_hooks_s and register the *load-hooks* variable. Register run_load_hooks_atexit with atexit, so the current value of *load-hooks* is processed on process exit. * eval.h (load_hooks_s, run_load_hooks): Declared. * match.c (v_load): Similar changes as in load. * txr.c (txr_main): Run the load hooks with run_load_hooks immediately after processing the .txr or .tl file, before entering the listener. * tests/019/load-hook.tl: New directory and file * tests/load-hook.tl: New file. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
* seq_iter: some new test cases.Kaz Kylheku2021-08-301-0/+8
| | | | | * tests/012/iter.tl: Several new cases to provide some coverage in recently fixed areas. All of these break in 268.
* mmap test: use random-buf.Kaz Kylheku2021-08-261-4/+2
| | | | | * tests/017/mmap.tl: Use the new random-buf function instead of converting pseudo-random bignums to a buffer.
* mmap test: bug: random buffer generation.Kaz Kylheku2021-08-261-1/+2
| | | | | | | * tests/017/mmap.tl: The random buffer procedure can generate buffers which are too small, because the random integer values are anywhere from 0 to the modulus. This showed up up on PPC-64 with 65536 byte pages.
* solaris: disable failing test case.Kaz Kylheku2021-08-261-0/+4
| | | | | | | * tests/007/except-4.txr: This new test case does not work on Solaris 10 because a shell script that kills itself via kill $$ appears to be terminating successfully with an exit status of 208, not appearing to be killed by a signal.
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