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* Version 173.txr-173Kaz Kylheku2017-03-251-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* termios: broken go-cbreak method.Kaz Kylheku2017-03-251-1/+1
| | | | | * share/txr/stdlib/termios.tl (termios go-raw): Fix call to nonexistent method.
* trace: wrong function printed in traces.Kaz Kylheku2017-03-241-3/+4
| | | | | | | | | | | | When tracing for two or more functions is enabled in a single trace form, the the function tracing hooks print the wrong name for all but the rightmost function. * share/txr/stdlib/trace.tl (sys:trace): Fix code which assumes that the each operator binds fresh lexical variables on each iteration. Bind a fresh lexical variable lex-n which copies the current value of the loop variable n, and refer to this lexical out of the tracing lambda.
* Warn when a nonexistent slot is referenced.Kaz Kylheku2017-03-231-8/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implementing warning for the situaton when the qref, uref, usl and umeth macro operators are asked to refer to a slot that doesn't exist in any struct type. This won't catch errors referencing a slot on the wrong type, but it will catch slots that are misspelled in such a way that the typo doesn't land on any slot. * share/txr/stdlib/struct.tl (defstruct): Register tenative slot definitions for all slots to nuke warnings. (sys:check-slot): New function. (qref, usl, umeth): Check slots with sys:check-slot. (uref): Drop :whole argument, which is unused. (defmeth): Register tentative definition for slot. * struct.c (slot_s, static_slot_s): New symbol variables. (slot_type_hash, static_slot_type_hash): New hash tables, associating symbols with lists of struct type names in which they are defined. (struct_init): Initialize and gc-protect hashes. Initialize new symbols, interning in system package. Register new intrinsic funtions sys:slot-types and sys:static-slot-types. (make_struct_type): Register slots in new hashes. (static_slot_ens_rec): Register new slow in static slot hash. (slot_types, static_slot_types): New functions, registered as intrinsics. (slot_type_reg, static_slot_type_reg): New functions. * struct.h (print_s): Declared. (slot_s, static_slot_s): Declared. (slot_types, static_slot_types, slot_type_reg, static_slot_type_reg): Declared.
* Version 172.txr-172Kaz Kylheku2017-03-191-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* trace: implement redefinition checks.Kaz Kylheku2017-03-171-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The tracing module should warn when traced functions or methods are being redefined, and stop tracing the original methods. * eval.c (trace_check): New function. Calls sys:trace-redefined-check if the trace module has been loaded, otherwise does nothing. (op_defun, op_defmacro): Call trace_check to have a warning issued for a redefined traced function or macro. * eval.h (trace_check): Declared. * lisplib.c (trace_loaded): New global variable. (trace_instantiate): Flip trace_loaded to t. * lisplib.h (trace_loaded): Declared. * share/txr/stdlib/trace.tl (sys:trace-redefine-check): New function. Checks two situations: traced function or method is redefined (neither old nor new is traced any longer), and traced method is overridden (base method continues to be traced, override is not traced). * struct.c (static_slot_ensure): Do a trace check here, taking care of defmeth.
* trace: detect inheritance, change name and warn.Kaz Kylheku2017-03-171-10/+32
| | | | | | | | | | | | When a method is traced that is actually derived from another struct type, we convert the (meth ...) name to refer to that type and issue a warning. * share/txr/stdlib/trace.tl (sys:trace-canonicalize-name): New function. (sys:trace): Canonicalize name, and trace the canonicalized name. Warn if it is different from the original name. (sys:untrace): Likewise for untracing.
* Version 171.txr-171Kaz Kylheku2017-03-141-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* uref: the a.b.c syntax extended to .a.b.cKaz Kylheku2017-03-061-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now it is possible to use a leading dot on the referencing dot syntax. This is the is the "unbound reference dot". It expands to the uref macro, which denotes an unbound-reference: it produces a function which takes an object as the argument, and curries the reference implied by the remaining arguments. * eval.c (uref_s): New global symbol variable. (eval_init): Intern uref symbol and init uref_s. * eval.h (uref_s): Declared. * lib.c (simple_qref_args_p): A qref expression is now also not simple if it contains an embedded uref, meaning that it cannot be rendered into the dot notation without ambiguity. (obj_print_impl): Support printing (uref a b c) as .a.b.c. * lisplib.c (struct_set_entries): Add uref to the list of autoload triggers for struct.tl. * parser.l (DOTDOT): Consume any leading whitespace as part of recognizing the DOTDOT token. Otherwise the new rule for UREFDOT, which matches (mandatory) leading space will take precedence, causing " .." to be scanned wrong. (UREFDOT): Rule for new kind of dot token, which is preceded by mandatory whitespace, and isn't consing dot (which has mandatory trailing whitespace too, matched by an earlier rule). * parser.y (UREFDOT): New token type. (i_dot_expr, n_dot_expr): New grammar rules. (list): Handle a leading dot on the first element of a list as a special case. Things are done this way because trying to work a UREFDOT into the grammar otherwise causes intractable conflicts. (i_expr): The ^, ' and , punctuators are now followed by an i_dot_expr, so that the expression can be an unbound dot. (n_expr): Same change as in i_expr, but using n_dot_expr. Plus new UREFDOT n_expr production. * share/txr/stdlib/struct.tl (uref): New macro. * txr.1: Documented.
* Version 170.txr-170Kaz Kylheku2017-02-281-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Version 169.txr-169Kaz Kylheku2017-02-111-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Use non-hacky representation for deferrable warnings.Kaz Kylheku2017-02-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Deferrable warnings now get their own subtype, defr-warning. The tag is a regular argument: no funny dotted argument list. * eval.c (eval_defr_warn): Throw new style deferrable warning. (me_op, no_warn_expand): Catch defr-warning rather than warning. Use uw_muffle_warning to suppress it. (gather_free_refs): Parse new representation of deferrable warning. (expand_with_free_refs): Catch defr-warning rather than warning. * lib.c (defr_warning_s): New symbol variable defined. (obj_init): Initialize defr_warning_s. * lib.h (defr_warning_s): Declared. * share/txr/stdlib/error.tl (compile-defr-warning): Throw new-style deferrable warning. * unwind.c (uw_muffle_deferrable_warning): Function removed. (uw_throw): Bugfix: handle warnings by checking by subtype rather than exactly for the warning type. Distinguish deferrable warnings by subtype rather than argument list shape. (uw_defer_warning): Take the new style args and reconstruct the (msg . tag) representation for a deferred warning, so the other functions don't have to change. (uw_late_init): Register defr-warning as exception subtype of warning. * unwind.h (uw_muffle_deferrable_warning): Decl removed. * txr.1: Adjusted all documentation touching on the subject of the representation of deferrable warnings.
* awk macro: warn about invalid function use in rng.Kaz Kylheku2017-02-101-11/+26
| | | | | | | | | | | | | Improving the new feature to handle functions also, and improve the diagnostic by reporting the specific to or from subform of which contains the reference. * share/txr/stdlib/awk.tl (sys:awk-code-move-check): Take a an argument indicating the kinds of bindings being checked, symbols or functions, and an extra form argument. (sys:awk-mac-let): Pass new arguments to sys:awk-code-move-check and also call it two more times to report on functions also.
* awk macro: warn about invalid var use in rng forms.Kaz Kylheku2017-02-091-30/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The awk macro abruptly relocates rng forms out of their apparent scope. Therefore, code like this is wrong: (awk ((let ((x t)) (rng t x)) (action))) The rng form is transformed and relocated to a scope in which the let is not visible. This is a problem worth warning about. In the above case, there will also be a warning about the variable x being unbound, which might alerts the programmer to the problem. However, in cases where there is yet another binding of x introduced via :let or outside of awk, that warning wll not occur: the code motion will silently cause x to refer to the wrong x: (awk (:let (x nil)) ((let ((x t)) (rng 1 x)) ;; refers to the (x nil) binding!!! (action))) (let ((x nil)) (awk ((let ((x t)) (rng 1 x)) ;; refers to the (x 4) binding!!! (action)))) Now there is a warning for this situation. * share/txr/stdlib/awk.tl (sys:awk-compile-time): New slot, outer-env. (sys:awk-expander): Takes an env parameter, which is stored into the new slot of the awk-compile-time structure. (sys:awk-code-move-check): New function. (sys:awk-mac-let): Use sys:expand-with-free-refs to expand the rng forms, capturing the extra information which enables the implementation of the warning. The rng variants are refactored to pass the original form to the sys:rng expander. This allows the diagnostic to display the original rng form. (awk): Parameter e renamed to outer-env, and passed to sys:awk-expander.
* bugfix: no restart catch in compile-warning.Kaz Kylheku2017-02-091-1/+3
| | | | | | * share/txr/stdlib/error.tl (compile-warning): Wrap throw in a catch with a continue handler to properly implement the warning protocol.
* Version 168.txr-168Kaz Kylheku2017-02-021-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Adding whena macro.Kaz Kylheku2017-02-051-0/+3
| | | | | | | | | | We have ifa and conda; whena is conspicuously absent. * lisplib.c (ifa_set_entries): Add autoload entry for whena. * share/txr/stdlib/ifa.tl (whena): New macro. * txr.1: Documented whena.
* Improve diagnostic of error during place expansion.Kaz Kylheku2017-02-041-0/+3
| | | | | | | | | | | * share/txr/stdlib/place.tl (call-update-expander, call-clobber-expander, call-delete-expander): On entry into these functions, propagaet the ancestry info to the original unexpanded body, not only into the final expanded body. This way, if errors go off during the expansion of the original, the diagnostic will have access to the info. Test case: (flet ((f ())) (set (fun f) 4)). With this patch we trace to (fun 4) and its location.
* Replace sys:cp-origin with smarter function.Kaz Kylheku2017-02-041-17/+10
| | | | | | | | | | | | | | | | sys:cp-origin blindly propagates macro origin into a tree structure, and has to perform a complicated circularity check to avoid introducing cycles We replace it with a new function which looks only for invocations of the local setter, getter or deleter macros within the tree structure and sets the macro origin only into those forms. * share/txr/stdlib/place.tl (sys:cp-origin): Function removed. (sys:propagate-ancestor): New function. (call-update-expander, call-clobber-expander, call-delete-expander): Use new function.
* Dump deferred warnings when eval exception thrown.Kaz Kylheku2017-02-031-0/+1
| | | | | | | | * eval.c (eval-exception): Call uw_dump_deferred_warnings before throwing exception. The warnings could provide valuable clues about the cause of the error. * share/txr/stdlib/error.tl (compile-error): Likewise.
* Remove sys:*lisp1* hack from place expansion.Kaz Kylheku2017-02-031-24/+32
| | | | | | | | | | | | | | | | | | | | | | | | Instead of using a special variable hack to pass down the request to treat a form as Lisp-1 if it happens to be a symbol, we now wrap the form in ^(sys:l1-val ,form). We define sys:l1-val as a place. In the case when form is a symbol with no lexical binding, requiring the special Lisp-1 treatment, sys:l1-val produces ^(sys:lisp1-value, form). We define that as a place also, and that takes care of everything. * share/txr/stdlib/place.tl (sys:*lisp1*): Special variable removed. (sys:sym-update-expander, sys:sym-clobber-expander): Do not test sys:*lisp1*; just produce a sys:setq form for updating a symbolic place. (call-update-expander, call-clobber-expander, call-delete-expander): Drop the bugfix in the previous commit: re-binding of sys:*lisp1* to nil (defplace sys:l1-val, defplace sys:lisp1-value): New places. (defplace dwim): Do not bind sys:*lisp1*. Wrap obj-place in a sys:l1-val form, thereby annotating it so that it receives the right sort of place expander.
* bugfix: limit depth of Lisp-1 treatment of places.Kaz Kylheku2017-02-021-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This underscores why sys:*lisp1* is so hacky and should be removed. When we obtain the update, clobber or delete expander of a place which is the argument of a DWIM, requiring Lisp-1 treatment, we bind the sys:*lisp1* special. This alters the behavior of obtaining an expander for a symbolic place. Unfortunately, because call-update-expander (and friends) use sys:expand, all levels of the form are subject to place expansion with sys:*lisp1* bound to t. Example: (set [(car (inc a 2)) 10] "foo") Here, the (car ...) form is the place operand of the DWIM operator, and so sys:*lisp1* is set up around getting its expander. But then, oops, the a in (inc a 2) is also treated as Lisp-1, wrongly. These changes band-aid the situation. * share/txr/stdlib/place.tl (call-udpate-expander, call-clobber-expander, call-delete-expander): After retrieving the expander, bind sys:*lisp1* to nil so that its effect does not spill over into the sys:expand call which we apply to the expansion; i.e. reset sys:*lisp1* to nil around recursive expansion so that the Lisp-1 treatment is confined to depth 1.
* Version 167.txr-167Kaz Kylheku2017-02-021-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* awk: support list of string as input source.Kaz Kylheku2017-01-291-1/+4
| | | | | | | | * share/txr/stdlib/awk.tl (sys:awk-state loop): Allow an input source to be a list of strings, which is converted to a stream. * txr.1: Documented.
* catch: expand param macros before inserting arg.Kaz Kylheku2017-01-291-2/+5
| | | | | | | * share/txr/stdlib/except.tl (catch): Expand the parameters and body of each clause with sys:expand-params to get rid of parameter macros. Then insert the leftmost gensym. This now allows parameter macros to be used in cach clauses.
* Version 166.txr-166Kaz Kylheku2017-01-261-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* awk macro: provide name of current input via fname.Kaz Kylheku2017-01-261-0/+5
| | | | | | | | | | * share/txr/stdlib/awk.tl (sys:awk-state): New slot, file-name. (sys:awk-state loop): Set file-name from current input name, or else from the stream name property if the current input is a stream object. (sys:awk-mac-let): New awk macro, fname. * txr.1: Documented fname.
* awk macro: bind *stdin* to current input stream.Kaz Kylheku2017-01-261-5/+5
| | | | | | | | * share/txr/stdlib/awk.tl (sys:awk-state loop): Instead of using the lexical variable stin, use *stdin*, so that the standard input stream is re-bound. * txr.1: Documented binding and scope of *stdin*.
* Local macrolets in build become functions.Kaz Kylheku2017-01-251-5/+5
| | | | | | | | | | * share/txr/stdlib/build.tl (sys:list-builder-macrolets): Function renamed to sys:list-builder-flets. Builds local functions instead of macrolets. (build): Follow rename of sys:list-builder-macrolets. * txr.1: Documentation updated and example added of use of add as a higher order function.
* New handle* macro, analogous to catch*.Kaz Kylheku2017-01-251-4/+12
| | | | | | | | | | | * share/txr/stdlib/except.tl (sys:expand-handle): New function. (handle): Use sys:expand-handle to expand arguments. The previously unused :whole form argument is now put to use, and correctly captured using :form rather than :whole. (handle*): New macro. * txr.1: Documented.
* New catch*, giving access to exception symbol.Kaz Kylheku2017-01-251-3/+10
| | | | | | | | | | | | | | | | | | * eval.c (op_catch): The sys:catch operator now passes the exception symbol as the first argument of each clause. This means the catch macro must be adjusted. * share/txr/stdlib/except.tl (catch): Macro now inserts a gensym dummy first argument into each clause to take the symbol passed by the sys:catch operator. (catch*): New macro, which is identical to the previous catch macro, and thus exposes the symbol passed as the first argument. * txr.1: Documented catch*. * tests/012/struct.tl: Some gensym numbers need adjusting in one test case.
* bugfix: use proper plist lookup in new :key macro.Kaz Kylheku2017-01-241-2/+2
| | | | | | | | * share/txr/stdlib/keyparams.tl (sys:extract-keys, sys:extract-keys-p): Use the brand new memp function rather than memq. memq is not correct for plist lookup because of ambiguities like (:foo :bar :bar 3) where memq retrieves (:bar :bar 3) for :bar rather than (:bar 3).
* Support keyword params via :key param list macro.Kaz Kylheku2017-01-231-0/+96
| | | | | | | | | | | | | | | | | | * eval.c (expand_param_macro): Use lisplib_try_load to retry failed parameter macro lookup, thereby supporting auto-loading of modules that define parameter macros. * lisplib.c (keyparams_set_entries, keyparams_instantiate): New static functions. (lisplib_init): Support autoloading of keyparams.tl via new functions. * share/txr/stdlib/keyparams.tl: New file. * txr.1: Documented :key param list macro. * checkman.txr: Support "Parameter list macro" documentation section type.
* Bump copyright year to 2017.Kaz Kylheku2017-01-2321-21/+21
| | | | | | | | | | | | | | | | | | | | | | | | * LICENSE, LICENSE-CYG, METALICENSE, Makefile, args.c, args.h, arith.c, arith.h, cadr.c, cadr.h, combi.c, combi.h, configure, debug.c, debug.h, eval.c, eval.h, filter.c, filter.h, ftw.c, ftw.h, gc.c, gc.h, glob.c, glob.h, hash.c, hash.h, jmp.S, lib.c, lib.h, lisplib.c, lisplib.h, match.c, match.h, parser.c, parser.h, parser.l, parser.y, rand.c, rand.h, regex.c, regex.h, signal.c, signal.h, stream.c, stream.h, struct.c, struct.h, sysif.c, sysif.h, syslog.c, syslog.h, termios.c, termios.h, txr.1, txr.c, txr.h, unwind.c, unwind.h, utf8.c, utf8.h, share/txr/stdlib/awk.tl, share/txr/stdlib/build.tl, share/txr/stdlib/cadr.tl, share/txr/stdlib/conv.tl, share/txr/stdlib/except.tl, share/txr/stdlib/getopts.tl, share/txr/stdlib/getput.tl, share/txr/stdlib/hash.tl, share/txr/stdlib/ifa.tl, share/txr/stdlib/package.tl, share/txr/stdlib/path-test.tl, share/txr/stdlib/place.tl, share/txr/stdlib/socket.tl, share/txr/stdlib/struct.tl, share/txr/stdlib/tagbody.tl, share/txr/stdlib/termios.tl, share/txr/stdlib/txr-case.tl, share/txr/stdlib/type.tl, share/txr/stdlib/with-resources.tl, share/txr/stdlib/with-stream.tl, share/txr/stdlib/yield.tl: Add 2017 to all copyright headers and strings.
* defstruct: use warning for bad baseKaz Kylheku2017-01-161-4/+4
| | | | | * share/txr/stdlib/struct.tl (defstruct): Making nonexistent base type a deferrable warning.
* defstruct uses new error reporting functions.Kaz Kylheku2017-01-161-35/+32
| | | | | | | * share/txr/stdlib/struct.tl (sys:bad-slot-syntax): Takes form argument. Uses compile-error function. (defstruct): Use modified form of sys:bad-slot-syntax and compile-error instead of throw.
* defmeth uses new error reporting.Kaz Kylheku2017-01-161-6/+9
| | | | | | | * share/txr/stdlib/struct.tl (sys:defmeth): Removing checks from here. (defmeth): Add checks here with new functions which provide location info and warning deferral/supression.
* defstruct registers tentative definition.Kaz Kylheku2017-01-161-0/+1
| | | | | * share/txr/stdlib/struct.tl (defstruct): Register the struct ame as a tentative definition.
* Functions for error reporting out of macros.Kaz Kylheku2017-01-151-0/+46
| | | | | | | | | | | | | | | | | * eval.c (eval_init): Register sys:ctx-form and sys:ctx-name intrinsics. * lisplib.c (error_set_entries, error_instantiate): New static functions. (lisplib_init): Register autoloading of error.tl via new functions. * share/txr/stdlib/error.tl: New file. * struct.c (make_struct_type): Purge deferred warnings. * unwind.c (uw_late_init): Register purge-deferred-warning intrinsic.
* Version 165.txr-165Kaz Kylheku2017-01-101-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* New Lisp feature: param list expander.Kaz Kylheku2017-01-041-0/+34
| | | | | | | | | | | | | | | | | | | | | * eval.c (pm_table): New static variable. (expand_param_macro): New static function. (expand_params): Expand parameter list macros via expand_param_macro. (eval_init): gc-protect pm_table and initialize it. Register *param-macro* variable. * lisplib.v (pmac_set_entries, pmac_instantiate): New static functions. (lisplib_init): Register autoloading of pmac.tl via new functions. * share/txr/stdlib/pmac.tl: New file. * txr.1: Notes under defun, lambds, flet/labels and defmacro about the existence of parameter macros which add to the syntax. New Parameter List Macros section. Documented *param-macro* and define-param-expander.
* Version 164.txr-164Kaz Kylheku2017-01-011-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Bugfix: repeated expansion of catch unstable.Kaz Kylheku2016-12-311-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | It turns out we have a silly problem: catch is a special operator, which undergoes a macro-like expansion which alters its syntax, but uses the same operator symbol. We turn catch into a macro which expands to a sys:catch operator. * eval.c (sys_catch_s): New symbol variable. (expand_catch): Function now expands sys:catch forms without altering any syntax. (do_expand): Check for sys:catch rather than catch. Call expand_catch differently: it takes the form now instead of just the arguments, so it can return the original form if no expansion takes place. (eval_init): Initialize sys_catch_s variable. Change registration of op_catch to sys:catch symbol. * lisplib.c (except_set_entries): Add catch to the list of autoload symbols for except.tl. * share/txr/stdlib/except.tl (catch): New macro for transforming catch to sys:catch. * txr.1: Reclassify catch operator as a macro.
* New awk variable fw for fixed-width delimiting.Kaz Kylheku2016-12-261-0/+23
| | | | | | | | | | * share/txr/stdlib/awk.tl (sys:awk-state): New slots fw, fw-prev and fw-ranges. (sys:awk-state rec-to-f): New logic to handle self.fw. (sys:awk-let): New local fw symacro. * txr.1: Documented fw.
* Version 163.txr-163Kaz Kylheku2016-12-201-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* tagbody bugfix: env not passed to expander.Kaz Kylheku2016-12-201-1/+1
| | | | | | * share/txr/stdlib/tagbody.tl (tagbody): When calling sys:expand, env was left out due to wrong parenthesis placement.
* awk macro: endpont-exclusive ranges.Kaz Kylheku2016-12-201-3/+20
| | | | | | | | | * share/txr/stdlib/awk.tl (sys:awk-mac-let): Local macro sys:rng generalized to support code generation for ranges that exclude either endpoint. Local rng macro adjusted to target this new form. Local macros rng-, -rng, and -rng- added. * txr.1: Documented.
* Adding prog and prog* macros.Kaz Kylheku2016-12-131-0/+9
| | | | | | | | | * lisplib.c (tagbody_set_entries): Add prog and prog* to autoload list. * share/txr/stdlib/tagbody.tl (prog, prog*): New macros. * txr.1: Documented.
* Version 162.txr-162Kaz Kylheku2016-12-071-1/+1
| | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version and date. * share/txr/stdlib/ver.tl: Likewise. * txr.vim, tl.vim: Regenerated.
* Awk macro prn becomes function.Kaz Kylheku2016-12-011-39/+47
| | | | | | | | | | | | | | | | | | | | * share/txr/stdlib/awk.tl (sys:awk-let): Renamed to sys:awk-mac-let. Macrolet prn removed from here. (sys:awk-fun-let): New macro, provides awk functions. The prn function removed from sys:awk-mac-let is generated here. (sys:awk-fun-shadowing-env): New function. (awk): Follow rename of sys:awk-let. When expanding p-action forms, use only sys:awk-mac-let; do not include the awk functions, which do not "vaporize" unlike local macros. To compensate for not including the functions, extend the macro environment with one that shadows the functions, so that during this expansion, any global macros of the same name as awk local functions are properlly hidden. In the final expansion, include the awk functions. * txr.1: Updated documentation to consistently call prn an awk function everywhere.
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