| Commit message (Collapse) | Author | Age | Files | Lines |
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* autload.c (place_set_entries): Add ensure as an autoload
trigger symbol for the place module.
* stdlib/place.tl (ensure): New macro.
* txr.1: Documented.
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The glob* function supports brace expansion, the **
pattern for matching zero or more path components,
as well as a sane sort for path names.
glob* relies on brace expansion written in Lisp;
the ** processing and sorting is done by a glob-compatible
C function called super_glob that uses glob.
* autoload.c (glob_set_entries, glob_instantiate): New static
functions.
(autoload_init): Register autoload of stdlib/glob module.
* glob.c (GLOB_XNOBRACE, GLOB_XSTAR): New macros.
(glob_wrap): Call super_glob instead of glob if GLOB_XSTAR
is present in flags. Avoid passing extension flags to glob.
(super_glob_find_inner, super_glob_rec, glob_path_cmp,
glob_str_cmp, super_glob): New static functions.
(glob_init): Register sys:glob-xstar, and glob-xnobrace.
sys:glob-xstar is used by glob* to request support for
the ** pattern from glob.
* stdlib/glob.tl: New file.
* tests/018/glob.tl: New file.
* txr.1: Documented.
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* stdlib/awk.tl (awk-state prn): Return nil in the no-argument
case instead of returning whatever put-string returns.
* tests/015/awk-misc.tl: New file.
* txr.1: Documented.
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These remove repetitive (op ...) syntax from
the arguments of functional combinators.
* stdlib/opt.tl (opf, lopf): New macros.
* autoload.c (op_set_entries): Register opf and
lopf as autoload triggers.
* tests/012/op.tl: New tests.
* txr.1: Documented.
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* stdlib/load-args.tl (load-args-process): When compile-update-file
doesn't do anything due to the compiled file being up-to-date,
the file must be loaded, so that the effect is similar to compiling.
Otherwise subsequent files may fail to compile due to missing
definitions such as packages.
* txr.1: Documented.
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This is not an easy change to make because it breaks the
validity of existing URLs in the wild which point to specific
sections of the TXR manual.
Some of my recent changes to capitalization of numerous
headings have already broken many URLs, so we might as well
bite the bullet and do this now.
The problem with the current scheme is that entire section
titles are hashed: all the words of a title, not just the
names of functions. Whenever we add a new function, macro or
variable which is documented together with related functions
in the same paragraph under the same heading, the heading
changes, and the hash changes. For instance, the hash for
the hash-map identifier is actually the hash of the string
"Function <tt>hash-map</tt>".
Under the new scheme, section titles are hashed in a more
complicated way that is robust against most edits. If a
title contains any symbols marked up with <tt>, then the
leftmost such symbol is taken as the title. Otherwise,
the whole title is mapped to lower case.
There is no longer a stdlib/doc-syms.tl file, and the
special disambiguated "D-<HEX>" codes are also gone.
Symbols are no longer associated with section hashes or
disambiguation section codes. The hash of a symbol is
a 32 bit CRC-32 checksum, expressed as S-<HEX> where
<HEX> is 8 hex digits. A section which defines symbols
has not only a <a name="..."> for its own hash but also
additional <a name="...>" elements for each of the symbols
that it defines.
If a section defines an ambiguous symbol (one that is also
defined with a different meaning in a different section),
then that symbol is not linked to either section; it is
mapped to the generated disambiguating section.
* genman.txr (dupes): Renamed to dupe-hashes for clarity.
(tagnum): Hash removed.
(direct): New hash. Tracks the assocation between sections
hashes and hashes of symbols that are defined only in
those symbols (no ambiguity) and thus the symbol hashes
can navigate directly to the sections. Serves as a
complement to the disamb hash.
(colli): There are no collisions now, so
initialize this to empty.
(hash-str): Function removed.
(hash-title): This function becomes more complicated.
If a title has at least one <tt>..</tt> item, then
that is taken in its place. Either way, the title
is transformed and enumerated against duplication and
hashed with crc32 instead of the original custom hashing
function.
(enumerate): Function removed: enumeration of titles is
done inside hash-title.
All manipulations of symhash using material from HTML now
use html-decode, so that we hash the original symbol
name like "str<" and not "str<".
When filtering the BODY, we have a new case: whenever
we see a <a name="...">, we now check the new direct
hash to see if there is a list of symbol hashes for
the given section. If so, we generate additional
<a name="..."> definitions for all the symbol hashes.
At the end of the file, the "missing from image"
processing is condensed, and the generation of the
stdlib/doc-syms.tl file is removed.
* stdlib/doc-syms.tl: Removed.
* stdlib/doc-lookup.tl: Don't load doc-syms. Use crc32
plus formatting to conver a symbol to the hash that is
used in the document and try the lookup with that.
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* autoload.c (csort_set_entries): Register csort-group
as autoload trigger for stdlib/csort.tl.
* stdlib/csort.tl (csort-group): New function.
* tests/012/sort.tl: Tests for sort-group and csort-group.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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In this patch we change the convention of uncapitalized words
occurring in headings such as "Special variable *foo*".
* checkman.txr (check-var, check-func): Consolidated into
a single pattern function called check-coNP. This now
enforces capitalization, and also has a giant fall-back
clause which explicitly recognizes .coNP headings that
are not specially checked by the previous rules, after
which there is an error case, so that unclassified .coNP
headings are diagnosed. A bug is fixed here in the handling
of Special Variable and Variable headings. The pattern
match was wrong, so these were not being properly recognized.
Without the error case at the end, a number of errors
occur in the document where the .desc is missing after a
Variable or Special Variable.
* txr.1: (.dir, .dirs): Fix capitalization of Directive
and Directives in headings generated by this macro.
Fix capitalization in numerous .coNP headings.
* stdlib/doc-syms.tl: Updated. Unfortunately, many symbols
change their hash value because it's based on the entire
heading.
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* arith.c (tofloat_s, toint_s): New symbol variables.
(tofloat, toint): If the argument is a COBJ, handle
it via do_unary_method.
(arith_init): Initialize new symbol variables.
The functions tofloat, toint, tofloatz and tointz.
are now registered here, rather than eval_init.
* eval.c (eval_init): Remove registrations of tofloat,
toint, tofloatz and tointz.
* tests/016/ud-arith.tl: New tests.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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* parser.c (listener_auto_compound_s): New symbol variable.
(repl): If *listener-auto-compound-p* is true, then evaluate
multiple forms directly as a compound expression, without
inserting progn at the head.
(parse_init): Initialize symbol variable and register
the *listener-auto-compound-p* special.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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The new function use-sym-as can bring a foreign
symbol into a package under a different name,
which is not that symbol's name. This is also
featured in a new defpackage clause, :use-syms-as.
With this simple relaxation in the package system,
we don't require package local nicknames, which is
more complicated to implement and less ergonomic,
because it doesn't actually vanquish the use of
ugly package prefixes on clashing symbols.
* eval.c (eval_init): Register use-syms-as.
* lib.c (use_sym_as): New function, made out of
use_sym.
(use_sym): Now a wrapper for use_sym_as.
* lib.h (use_sym_as): Declared.
* stdlib/package.tl (defpackage): Implement :use-syms-as
clause.
* tests/012/use-as.tl: New file.
* txr.1: Documented,
* stdlib/doc-syms.tl: Updated.
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* stdlib/compiler.tl (compiler comp-fun-form): Recognize
the pattern (subtypep (typeof x) y) and rewrite it to
(typep x y).
* stdlib/match.tl (compile-struct-match): Don't generate
the (subtype (typeof x) y) pattern, but (typeof x y).
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* stdlib/op.tl (opip-expand): Take arguments which specify
the op and do operators to be inserted. Pass these
through the recursive calls.
(opip, oand): Pass op and do for the new arguments.
(lopip, loand): New macros like opip and oand, but
passing lop and ldo to the expander.
(lflow): New macro.
* autoload.c (op_set_entries): Add autoload entries
for lopip, loand and lflow.
* tests/012/op.tl: A few new tests.
* txr.1: Documented.
* stdlib/doc-syms.tl: Regenerated.
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* stdlib/compiler.tl (dump-to-tlo): To ensure numbers are
externalized in such a way that they will be loaded back
exactly, we need to set a few special variables. For integers,
we want *print-base* to be 10. Numbers printed in other bases
cannot be read back correctly. Octal, hex and binary could be,
but they would need to be printed with the correct prefixes.
For floating-point values, we want to switch to the default
print format, and use flo-max-dig for the precision. That one
s not not the default value; the default is flo-dig.
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* RELNOTES: Updated.
* configure (txr_ver): Bumped version.
* stdlib/ver.tl (lib-version): Bumped.
* txr.1: Bumped version and date.
* txr.vim, tl.vim: Regenerated.
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The optimizer eliminates calls to pure library functions when
all their arguments are D-registers. The call is made at
compiled time and its value is inserted into the program
as a constant (in a newly allocated D register).
The bug is that we can't do this for a D register that
is linked to a load-time value, because we don't know its
value until run-time.
* stdlib/optimize.tl (basic-blocks do-peephole-block): Add
a constraint that none of the D registers can be a member
of bb.lt-dregs, which holds the list of D registers that
are used for load-time values.
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* stdlib/op.tl (sys:opip-single-let-p,
sys:opip-let-p): New functions.
(sys:opip-expand): Restructure from collect loop
to car/cdr recursive form, because the new let operators
in opip need access to the rest of the pipeline.
Implement let operators.
* tests/012/op.tl: New tests.
* txr.1: Documented.
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Discovered while experimenting with new optimizations.
* stdlib/optimize.tl (basic-blocks join-block): When we
join the following block into the current block, we must
propagate the nojoin property of the following block.
The nojoin property has to do with the last instruction
being xend. The joined block has that last instruction
and so must be nojoin.
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Discovered while experimenting with new optimizations.
* stdlib/optimize.tl (basic-blocks :postinit): Pass t argument
to new parameter of basic-blocks link-graph.
(basic-blocks link-graph): New parameter indicating whether
this is the first call; if false, we reset all the links.
(basic-blocks elim-dead-code): This no longer has to reset
the links before calling link-graph. But now calls link-graph
one more time after the dead code removal so that no dead
blocks appear in the graph.
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* stdlib/place.tl (sys:get-fun-getter-setter): The check added
recently for a non-bindable sym at the top is completely
bogus, and makes it impossible to use trace for methods.
The function handles various kinds of function names that
are not symbols. The check must be done in the fallback
case, where plain symbols are handled.
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* RELNOTES: Updated.
* configure (txr_ver): Bumped version.
* stdlib/ver.tl (lib-version): Bumped.
* txr.1: Bumped version and date.
* txr.vim, tl.vim: Regenerated.
* protsym.c: Regenerated.
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* stdlib/optimize.tl (basic-blocks :postinit): Calculate the
basic block partitions more directly using partition-if,
eliminating the calculation of two sequences of indices
that have to be merged and then passed to the partition
function.
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* stdlib/place.tl (sys:get-fun-setter-getter):
Throw error if sym isn't a bindable symbol, so
that nonsense like (set (symbol-function 3) ...)
isn't allowed.
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When a pattern variable match like @foo references a global
symbol macro, that's treated as an existing expression to
match, and not a new binding. However, local symbol macros
are not treated this way; they are invisible to variable
patterns. That is an unintended inconsistency.
* stdlib/match.tl (var-list exists): Use lexical-binding-kind
rather than lexical-var-p. This returns true for lexical
symbol macros also.
* tests/011/patmatch.tl: New test cases.
* txr.1: Documentation revised to clarify that both global
and local symbol macros are considered to be existing variable
bindings by pattern matching.
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* evalc (macro_k): New keyword symbol variable.
(lexical_binding_kind, lexical_fun_binding_kind)
New functions.
(lexical_var_p): Bugfix: if the symbol is a special
variable, do not short-circuit to a nil answer.
Special variables can be shadowed by symbol macros.
The function is now defined in terms of lexical_binding_kind.
(lexical_symacro_p, lexical_macro_p): New
functions.
(lexical_fun_p): Now defined using lexical_fun_binding_kind.
(lexical_lisp1_binding): Bugfix: check for special
variables; do not report special variables as :var.
(eval_init): Initialize macro_k. Register new intrinsics:
lexical-binding-kind, lexical-fun-binding-kind,
lexical-symacro-p, lexical-macro-p.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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When functions are optimized away due to constant folding,
instead of replacing them with a nil, we now compact the
table to close the gaps and renumber the references in the
code.
* stdlib/compiler.tl (compiler null-stab): Method removed.
(compiler compact-dregs): Renamed to compact-dregs-and-syms.
Now compacts the symbol table also. This is combined with
D-reg compacting because it makes just two passes through
the instruction: a pass to identify the used D registers
and symbol indices, and then another pass to edit the
instructions with the renamed D registers and renumbered
symbol indices.
(compiler optimize): Remove the call to the null-unused-data
on the basic-blocks object; nulling out D regs and symbol
table entries is no longer required. Fllow the rename of
compact-dregs to compact-dregs-and-syms which is called
the same way otherwise.
* stdlib/optimize.tl (basic-blocks null-unused-data):
No longer used method removed.
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We now have some constant folding in the optimizer too, not
just in the front end compiler pass. This is leaving behind
dead D registers that are not referenced in the code.
Let's compact the D register table to close the gap.
* stdlib/compiler.tl (compiler get-dreg): In this function
we no longer check that we have allocated too many D
registers. We let the counter blow past %lev-size%.
Because this creates the fighting chance that the compaction
of D regs will reduce their number to %lev-size% or less.
By doing this, we allow code to be compilable that otherwise
would not be: code that allocates too many D regs which
are then optimized away.
(compiler compact-dregs): New function. Does all the work.
(compiler optimize): Compact the D regs at optimization
level 5 or higher.
(compile-toplevel): Check for an overflowing D reg count
here, after optimization.
* stdlib/optimize.tl (basic-blocks null-unused-data):
Here, we no longer have to do anything with the D registers.
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* stdlib/compiler.tl (compiler get-dreg): Fix
indentation proble.
* stdlib/optimize.tl (basic-block fill-treg-compacting-map):
Likewise.
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* stdlib/path-test.tl (path-volume): Don't return
:abs for a path whose empty first component
isn't followed by any more items. Otherwise
we return :abs for a path formed by splitting
the empty string, and then calls like (rel-path "" "a")
complain about a mixture of absolute and relative.
With this change, empty paths given to rel-path
behave as if they were ".".
* tests/018/rel-path.tl: New test cases.
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* stdlib/optimize.tl (basic-blocks do-peephole-block): Extend
constant-folding case to recognize gapply as well as gcall.
We just have to take care in how we apply apply arguments
to the actual function to get the value.
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Let's consider the DIM expression [a . b c]. Without
this change we get:
syms:
0: a
1: b
2: c
code:
0: 98020000 getf t2 0
1: 98030001 getf t3 1
2: 98040002 getf t4 2
3: 1C020002 apply t2 t2 t3 t4
4: 00030002
5: 00000004
6: 10000002 end t2
With this change:
syms:
0: a
1: b
2: c
code:
0: 98030001 getf t3 1
1: 98040002 getf t4 2
2: 24020002 gapply t2 0 t3 t4
3: 00030000
4: 00000004
5: 10000002 end t2
There are 17 hits for this optimization in optimize.tl
alone!
* stdlib/optimize.tl (basic-blocks do-peephole-block):
New pattern here. We recognize an instruction sequence
which begins with a (getf treg idx) and ends in
an (apply dest treg ...), without any instructions in
between accessing or redefining treg. Additionally,
the treg value must not be used after the apply,
unless the apply redefines it. In that case, we
rewrite this pattern to eliminate that initial getf
instruction, and substitute (gapply dest idsx ..)
for the apply.
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There was a bug in rt_defun in that it was not calling
vm_invalidate_binding. This mean that compiled functions
were not picking up redefinitions. This bug is fixed now
because rt_defun now calls sethash on the top_fb directly,
which modifies the existing binding cell; it is not
allocating a new cell.
We put in new test cases to confirm the proper redefinition
behaviors.
The proper redefinition behavior exposes an issue in
pattern matching.
* tests/019/redef.tl: New file.
* stdlib/match.tl (transform-quote): This function's compiled
image, when deposited into a .tlo file, becomes incorrect
because (sys:hash-lit) turns into #H() syntax, which reads
back as something else. In other words (sys:hash-lit)
deosn't have print-read consistency and so doesn't
externalize. To fix this right we would need a print mode
which ensures machine readability rather than human
readability, like in Common Lisp. For now, we just break up
the pattern so that it's not a literal match. This bug was
hidden due to theredefinition issue. When match.tl is
being compiled, it defines non-triv-pat-p twice. Due to
redefinitions not kicking in properly, the first definition
of non-triv-pat-p remains in effect for some functions.
When transform-qquote is being expanded, the (sys:hash-lit)
pattern is treated as non-trivial, even though it is
is trivial, and so it is turned into pattern matching code.
The code doesn't contain a (sys:hash-lit) literal and so
the issue doesn't occur.
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Like was done with the function and variable top-level
environments, we simplify the macro ones.
* eval.c (func_get_name, lookup_mac, lookup_symac,
lookup_symac_lisp1, op_defsymacro, rt_defsymacro,
rt_defmacro, op_defmacro, reg_mac, reg_symacro):
Adjust to simpler representation where the hash cell
itself is the binding cell, rather than holding a
binding cell in its cdr.
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Since their inception, the top_fb and top_fb hashes associated
symbols with bindings cells, causing an extra cons cell to be
allocated for each entry. I don't remember why this is. It
might have been that way so that gethash(top_fb, sym) would
return a cell when the variable exists, or else nil. This was
before we had functions like gethash_e and inhash that return
the hash cell itself. A hash cell is also a cons and can serve
as a binding just fine by itself.Let's make it so.
For now, the macro and symbol macro environments stay the
way they are; I will likely convert them also.
* eval.c (env_fbind, env_vbind, lookup_global_var, lookup_sym_lisp1,
lookup_fun, func_get_name, rt_defv, rt_defun, set_symbol_value,
reg_fun, reg_varl): Update all these functions so they treat the
hash cell from top_vb or top_fb as the binding cell, rather than
putting or expecting the cdr of that cell (i.e the hash value)
to be a binding cell.
* hash.[ch] (gethash_d): New function. Jus gethash_e without the
pesky self argument, that would only be needed for error
reporting if we pass an object that isn't a hash.
* stdlib/place.tl (sys:get-fun-getter-setter, sys:get-vb):
These two functions must be adjusted since they refer to the
top-fb and top-vb variables. sys:get-vb isn't used anywhere;
it continues to exist in order to provide run-time support
to files that were compiled with an buggy version of the
symbol-value place.
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* stdlib/optimize.tl (basic-blocks do-peephole-block): The
constant folding case should fire even if some of the
arguments of the call aren't D registers but T0.
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* stdlib/compiler.tl (%effect-free-funs%, %effect-free%,
%functional-funs%, %functional%): Move variables
into stdlib/constfun.tl
* stdlib/constfun.tl %effect-free-funs%, %effect-free%,
%functional-funs%, %functional%): Moved here.
* stdlib/optimize.tl: Use load-for to express dependency
on constfun module; don't depend on the compiler having
loaded it.
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The compiler handles trivial constant folding over the
source code, as a source to source transformation.
However, there are more opportunities for constant folding
after data flow optimizations of the VM code.
Early constant folding will not fold, for instance,
(let ((a 2) (b 3)) (* a b))
but we can reduce this to an end instruction that returns
the value of a D register that holds 6. Data flow optimizations
will propagate the D registers for 2 and 3 into the gcall
instruction. We can then recognize that we have a gcall with
nothing but D register operands, calling a constant-foldable
function. We can allocate a new D register to hold the result
of that calculation and just move that D register's value
into the target register of the original gcall.
* stdlib/compiler.tl (compiler get-dreg): When allocating
a new D reg, we must invalidate the datavec slot which is
calculated from the data hash. This didn't matter before,
because until now, get-datavec was called after compilation,
at which point no new D regs will exist. That is changing;
the optimizer can allocate D regs.
(compiler null-dregs, compiler null-stab): New methods.
(compiler optimize): Pass self to constructor for basic-blocks.
basic-blocks now references back to the compiler.
At optimization level 5 or higher, constant folding can
now happen, so we call the new method in the optimizer to
null the unused data. This overwrites unused D registers
and unused parts of the symbol vector with nil.
* stdlib/optimize (basic-blocks): Boa constructor now takes
a new leftmost param, the compiler.
(basic-blocks do-peephole-block): New optimization case:
gcall instruction invoking const-foldable function, with
all arguments being dregs.
(basic-blocks null-unused-data): New method.
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* configure: Detect all the new functions, with separate
tests for the unary and binary ones.
* arith.c (cbrt_s, erf_s, erfc_s, exp10_s, exp2_s,
expm1_s, gamma_s, j0_s, j1_s, lgamma_s, log1p_s, logb_s,
nearbyint_s, rint_s, significand_s, tgamma_s, y0_s, y1_s,
copysign_s, drem_s, fdim_s, fmax_s, fmin_s, hypot_s,
jn_s, ldexp_s, nextafter_s, remainder_s, scalb_s, scalbln_s,
yn_s, r_copysign_s, r_drem_s, r_fdim_s, r_fmax_s, r_fmin_s,
hypot_s, r_jn_s, r_ldexp_s, r_nextafter_s, r_remainder_s,
r_scalb_s, scalbln_s, r_yn_s): New symbol variables.
(not_available): New static function.
(cbrt_wrap, erf_wrap, erfc_wrap, exp10_wrap, exp2_wrap,
expm1_wrap, gamma_wrap, j0_wrap, j1_wrap, lgamma_wrap,
log1p_wrap, logb_wrap, nearbyint_wrap, rint_wrap,
significand_wrap, tgamma_wrap, y0_wrap, y1_wrap,
copysign_wrap, drem_wrap, fdim_wrap, fmax_wrap,
fmin_wrap, hypot_wrap, jn_wrap, ldexp_wrap,
nextafter_wrap, remainder_wrap, scalb_wrap, scalbln_wrap,
yn_wrap): New static functions.
(arith_set_entries, arith_instantiate): New static functions.
(arith_init): Initialize symbols and instantiate functions
via autoload mechanism. In a program that doesn't use the
functions, we suffer only the overhead of interning the symbols.
* lib.h (UNUSED): New macro for GCC unused attribute.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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* eval.c (me_load_for): An object which is not one of the
valid clause symbols is not necessarily a symbol; don't
call it one in the diagnostic.
* stdlib/struct.tl (sys:check-slot): Similarly, an object that
isn't the name of a struct slot isn't necessarily a
symbol; don't call it one.
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* txr.1: SHA-1 functions documented.
* stdlib/doc-syms.tl: Updated.
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* RELNOTES: Updated.
* configure (txr_ver): Bumped version.
* stdlib/ver.tl (lib-version): Bumped.
* txr.1: Bumped version and date.
* txr.vim, tl.vim: Regenerated.
* protsym.c: Regenerated.
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These functions are useful when sorting a sequence
using an expensive keyfun.
* autoload.c (csort_set_entries, csort_instantiate):
New static functions.
(autlod_init): Register autoloading of csort module
via new functions.
* stdlib/csort.tl: New file.
* tests/012/sort.tl: csort functions included in tests.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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hash-map converts a function mapping over a sequence
into a hash table.
* hash.[ch] (hash_map): New function.
* tests/010/hash.tl: Test case.
* genman.txr: The hash-map identifier introduces
a hash collision. We have to deal with that somehow now.
(colli): We put the conflicting entries into a new hash called
colli which maps them to an increment value.
(hash-title): Increment the hash code h by the amount
indicated in colli, if the title is found there.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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With this change we fix the bug that the debugger commands
yield their Lisp forms rather than evaluating them.
* eval.c (eval_intrinsic): Takes one more argument,
the macro environment. This is passed into env_to_menv
as the root macro environment.
(eval_init): Update registration of eval intrinsic
to have two optional arguments.
* eval.h (eval_intrinsic): Declaration updated.
* parser.c (read_file_common, read_eval_ret_last): Pass
nil argument to new parameter of eval_intrinsic.
(repl): Pass the env parameter as the new menv
parameter of eval_intrinsic, rather than the existing
env parameter. This fixes the command dispatch in
the debugger, since the command table is consists of
symbol macros, and not variables. For instance the
backtrace command bt is a binding of the bt symbol
to the form (sys:print-backtrace), which has to be
substituted for it and executed. When that envrionment
is used as the ordinary environment, bt looks like
a variable whose value is the list (sys:backtrace).
* parser.y (elem, check_parse_time_action): Fix
eval_intrinsic calls.
* txr.c (txr_main): Likewise.
* txr.1: Documented.
* y.tab.c.shipped: Updated.
* stdlib/doc-syms.tl: Updated.
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* stdlib/quips.tl (%quips%): New one.
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* stdlib/match.tl (match-cond): New macro.
* autoload.c (match_set_entries): match-cond triggers
autoload of match module.
* tests/011/patmatch.tl: Tests.
* txr.1: Documented.
* stdlib/doc.tl: Updated.
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@(push) is like @(output), but feeds back into input.
Use carefully.
* parser.y (PUSH): New token.
(output_push): New nonterminal symbol.
(output_clause): Handle OUTPUT or PUSH via output_push.
Some logic moved to output_helper.
(output_helper): New function. Transforms both @(output)
and @(push) directives. Checks both for valid keywords;
push has only :filter.
* parser.l (grammar): Recognize @(push similarly to other
directives.
* lib.[ch] (push_s): New symbol variable.
* match.c (v_output_keys): Internal linkage changes to external.
(v_push): New function.
(v_parallel): We must fix the max_line algorithm not to
use an initial value of zero, because lines can go negative
thanks to @(push). We end up rejecting the pushed data.
(v_collect): We can no longer assert that the data line
number doesn't retreat.
(dir_tables_init): Register push directive in table of
vertical directives.
* match.h (append_k, continue_k, finish_k): Existing symbol
variables declared.
(v_output_keys): Declared.
* y.tab.c.shipped,
* y.tab.h.shipped,
* lex.yy.c.shipped: Updated.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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* RELNOTES: Updated.
* configure (txr_ver): Bumped version.
* stdlib/ver.tl (lib-version): Bumped.
* txr.1: Bumped version and date.
* txr.vim, tl.vim: Regenerated.
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* lib.[ch] (keep_keys_if, separate_keys): New functions.
* eval.c (eval_init): keep-keys-if, separate-keys intrinsics
registered.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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* autoload.c (load_args_set_entries, load_args_instantiate):
New static functions.
(autoload_init): Register new auto-loaded module "load-args".
* stdlib/load-args.tl: New file.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
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