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* HACKING: Clarified that --vg-debug is also needed to turn on onKaz Kylheku2011-10-012-2/+9
| | | | the Valgrind support at run-time, in addition to building it in.
* Added missing data.Kaz Kylheku2011-10-011-0/+6
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* New test case, covering some filtering from HTML/XML.Kaz Kylheku2011-10-015-0/+42
| | | | | | | | * Makefile: Defined TXR_ARGS for new test case. * tests/008/students.expected: New file. * tests/008/students.txr: New file. * tests/008/students.xml: New file.
* * filter.c (filters, filter_init): Serious gc bug fixed: neglected toKaz Kylheku2011-10-012-0/+8
| | | | | inform the garbage collector about the filters global variable. Ouch!
* New test case under tests/008.Kaz Kylheku2011-10-015-1/+72
| | | | | | | | | | | | * Makefile: Made previous TXR_ARGS for 008 specific to tokenizing test case, and introduced separate TXR_ARGS for this test case. * tests/008/configfile: New file. * tests/008/configfile.expected: New file. * tests/008/configfile.txr: New file.
* Deleted reference to accidentally added file.Kaz Kylheku2011-10-011-1/+0
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* Remove accidentally added .out file.Kaz Kylheku2011-10-011-2/+0
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* Tokenizing test case, exercising for @(coll :gap 0)Kaz Kylheku2011-10-015-0/+40
| | | | | | | | | | and horizontal @(choose :shortest ...). * Makefile: Defined TXR_ARGS for tests/008 directory. * tests/008/data: New file. * tests/008/tokenize.expected: New file. * tests/008/tokenize.txr: New file.
* New test case, covering exception handling across nestedKaz Kylheku2011-10-015-1/+48
| | | | | | | | | | function invocations. * Makefile (TEST): Test targets marked as .PHONY, because they are. * tests/007/except-1.expected: New file. * tests/007/except-1.out: New file. * tests/007/except-1.txr: New file.
* * parser.y (all_clause, some_clause, none_clause, maybe_clause,Kaz Kylheku2011-10-012-12/+18
| | | | | cases_clause, choose_clause, elem): Regression bug fix: bad list calls in parser, lacking nao terminator.
* Merge commit '4afe959'Kaz Kylheku2011-10-013-2/+11
|\ | | | | | | | | | | | | Conflicts: ChangeLog Lost commit.
| * Regression bug fix: longest match variables broken byKaz Kylheku2011-10-013-2/+11
| | | | | | | | | | | | | | | | 2011-09-28 commit which introduced the double var match. * match.c (match_line): Handle case where modifier is t. * parser.y (var_op): Produce modifir as (t) rather than t.
* | * txr.1: Documented choose and horizontal mode for paralleKaz Kylheku2011-10-012-17/+61
|/ | | | constructs.
* New directive: choose.Kaz Kylheku2011-10-015-25/+164
| | | | | | | | | | | | | | | | | | | | | | * match.c (choose_s, longest_k, shortest_k): New variables. (match_line, match_files): Introduced choose directive. (match_init): Initialize new variables. * match.h (choose_s): Declared. * parser.l (yybadtoken): Handle CHOOSE. (CHOOSE): Clause added for returning this token. * parser.y: Added #include "match.h". (CHOOSE): New token symbol. (choose_clause): New nonterminal symbol. (clause): choose_clause added. (all_clause, some_clause, none_clause, maybe_clause, cases_clause): Abstract syntax tree tweaked. (choose_clause): New syntax. (elem): Abstract syntax trees tweaked for many clauses. New CHOOSE clauses. (out_clause): New error case for choose_clause.
* * HACKING: Updated with debugging hints.Kaz Kylheku2011-09-302-4/+214
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* * txr.1: Clarified consecutive variables and documented doubleKaz Kylheku2011-09-302-10/+29
| | | | variable match.
* * parser.l: Implemented backslash continuations in SPECIALKaz Kylheku2011-09-303-13/+66
| | | | | | state, regexes and string literals. * txr.1: Documented.
* * match.c (match_line): Implemented horizontal all, some,Kaz Kylheku2011-09-293-4/+80
| | | | | | | | | | none, maybe and cases directives. (match_files): Recognize horizontal version of these directives by the presence of the extra symbol t and do not process. Also, bugfix in the all directive: not resetting the all_match flag when short circuiting out. * parser.y (clause_parts_h, additional_parts_h): New nonterminals. (elem): New clauses added.
* * match.c (chars_k): New variable.Kaz Kylheku2011-09-295-38/+92
| | | | | | | | | | | | (match_line): Keyword arguments in coll implemented. (match_init): chars_k variable initialized. * parser.l (COLL): Lexical syntax changed to allow for argument material. * parser.y (elem): Coll syntax rewritten for arguments. * txr.1: Updated.
* * match.c (mingap_k, maxgap_k, gap_k, times_k, lines_k): NewKaz Kylheku2011-09-297-62/+177
| | | | | | | | | | | | | | | | | symbol variables. (match_lines): Keyword arguments in collect implemented. (match_init): New function. * match.h (match_init): Declared. * parser.l (COLLECT): Lexical syntax changed for COLLECT to allow for argument material. * parser.y (%union): obj renamed to val. (exprs_opt): New nonterminal. (collect_clause): Rewritten for arguments. * txr.c (main): Call to match_init introduced.
* * match.c (match_line): Bugfix in double var. Do notKaz Kylheku2011-09-282-2/+9
| | | | prepend the next_pat to the specline if it is nil.
* * match.c (match_line): Logic restructured to allow forKaz Kylheku2011-09-283-38/+126
| | | | | | | | | | | | | | | | | | regex variables which also have nested variables. Previously this code was assuming that the cases were mutually exclusive, and the parser happened to work that way. Also, added support for a "double var" match which occurs when an unbound variable is followed by a regex variable. This case should be allowed because it makes sense. It's similar to a variable followed by a regex, except that the regex is also a variable binding. * parser.y (o_elems_transform): New function. (o_elems_opt, o_elems_opt2, quasilit): Transform o_elems with new function. This is needed because subst_vars doesn't deal with the nested var syntax for consecutive variables. (var): New syntax case '{' IDENT exprs '}' elem. This allows consecutive variables to be nested in all cases.
* * parser.y ('{', '}'): Nope, still not right.Kaz Kylheku2011-09-272-2/+7
| | | | | These must have exactly the same precedence as IDENT for this to work right, of course.
* * parser.y ('{', '}'): Bugfix: precedence of theseKaz Kylheku2011-09-272-1/+10
| | | | | | | terminals was causing @foo@foo to be parsed differently from @foo@{foo}. We need consecutive variables to be specially folded in the syntax under a single var_s node.
* * match.c (match_files): One more fix to this, argh.Kaz Kylheku2011-09-272-8/+22
| | | | | | | | | | | | | The test for !data should be done after matching, before incrementing to the next line. Then it is a true bottom of the loop test. This commit allows @(skip) @first_line @(skip nil 3) @(eof) to correctly match the first line of the input, not the fourth one from the bottom, since the second skip has an unbounded range.
* * match.c (match_files): Another bugfix to skip.Kaz Kylheku2011-09-272-0/+15
| | | | | | | If a hard skip tries to go beyond EOF, then the query must fail. However, a skip to exactly EOF is fine. I.e. data can hit nil at the same time as the right number of skip iterations is performed.
* * match.c (match_files): Bugfix in skip directive.Kaz Kylheku2011-09-272-1/+17
| | | | | | | | | | | | We should try the match at least once even if there is no data after a hard skip, so that the query has an opportunity to do an explicit match for no data, as with @(endp). This commit makes possible queries like: @fourth_line_from_bottom @(skip 1 3) @(eof) This query depends on @(skip 1 3) not failing when it runs out of data, because @(eof) checks for htis.
* * lib.c (eof_s): New symbol variable.Kaz Kylheku2011-09-275-2/+27
| | | | | | | | | | | (obj_init): New variable initialized. * lib.h (eof_s): Declared. * match.c (match_files): New @(eof) directive explicitly matches end of data. * txr.1: Updated.
* Support &#NNNN; decimal escapes also.txr-037Kaz Kylheku2011-09-262-4/+41
| | | | | | | | | * filter.c (html_hex_continue): Bail with nil if no digits are collected. The &#x; syntax is not translated to anything. (html_dec_continue): New function. (html_hex_handler): Function renamed to html_numeric_handler. (filter_init): Change function-based trie node over to html_numeric_handler.
* Support &#xNNNN; hex escapes in html. Bugfix in field formatting.Kaz Kylheku2011-09-265-14/+85
| | | | | | | | | | | | | | | | | | | chr function inlined. * filter.c (trie_value_at, trie_lookup_feed_char): Handle function case. (build_filter): New parameter, compress_p. (html_hex_continue, html_hex_handler): New functions. (filter_init): Add a function-based node to the from_html trie. * lib.c (chr): Function removed. (functionp) New function. * lib.h (chr): Declaration replaced with inline function. (functionp): Declared. * match.c (format_field): Bugfix: failed to apply filter that came in as an argument.
* Version 037.Kaz Kylheku2011-09-264-4/+25
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* Merge branch 'master' of ssh://kkylheku@git.sv.gnu.org/srv/git/txrKaz Kylheku2011-09-260-0/+0
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| * Bugfixeses: Consistent escaping in various literals. DoubleKaz Kylheku2011-09-262-6/+12
| | | | | | | | | | | | | | | | | | | | backslash codes for single backslash. Output clause can be empty. * parser.l (char_esc): Backslash handled. Use internal_error rather than abort. (REGCHAR, LITCHAR): Backslash added to lexical syntax. * parser.y (output_clause): Allow empty output clause.
* | Bugfixes: Consistent escaping in various literals. DoubleKaz Kylheku2011-09-263-6/+23
|/ | | | | | | | | | backslash codes for single backslash. Output clause can be empty. * parser.l (char_esc): Backslash handled. Use internal_error rather than abort. (REGCHAR, LITCHAR): Backslash added to lexical syntax. * parser.y (output_clause): Allow empty output clause.
* New feature: @(deffilter)Kaz Kylheku2011-09-267-15/+210
| | | | | | | | | | | | | | | | | | | | | | | | | | Bugfix in @(throw) when non-symbol is thrown: exception message referred to the symbol throw rather than the erroneous object. * filter.c (build_filter_from_list, register_filter): New functions. * filter.h (register_filter): New function declared. * lib.c (deffilter_s): New variable defined. (chain): Function changed from single list argument to variable argument list to reduce the complexity of use. (do_and, and): New functions. (obj_init): deffilter_s initializatio added. * lib.h (deffilter_s, and): New declarations. (chain): Declaration updated to new function signature. (eq): Changed from macro to inline function. * match.c (do_output_line): Simplified expression involving chain. (do_output): Likewise. (match_files): Bugfix in error handling of throw. Implementation of deffilter. * txr.1: Documented deffilter.
* Trie compression. Hash table iteration.Kaz Kylheku2011-09-268-16/+160
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bugfix in typeof. * filter.c (trie_compress): New function. (trie_value_at, trie_lookup_feed_char, filter_string): Handle cons cell nodes in trie. (build_filter): Call trie_compress. * gc.c (cobj_destroy_op): Function renamed to cobj_destroy_stub_op since it doesn't do anything. (cobj_destroy_free_op): New function. * hash.c (struct hash_iter): New type. (hash_destroy): Function removed. (hash_ops): Reference to hash_destroy replaced with cobj_destroy_free_op. (hash_count, hash_iter_mark, hash_begin, hash_next): New functions. (hash_iter_ops): New static structure. * hash.h (hash_count, hash_begin, hash_next): New functions declared. * lib.c (hash_iter_s): New symbol variable. (typeof): Bugfix: TAG_LIT type tag not handled. (vecref): New function. (obj_init): Initialize hash_iter_s. * lib.h (cobj_destroy_op): Declaration renamed. (cobj_destroy_free_op, vecref): New functions declared. (hash_iter_s): New variable declared. * stream.c (string_in_ops, byte_in_ops): cobj_destroy_op renamed to cobj_destroy_stub_op.
* Documented :from_html.Kaz Kylheku2011-09-251-2/+2
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* Filtering from HTML implemented.Kaz Kylheku2011-09-253-12/+280
| | | | | | | * filter.c (from_html_k): New variable. (to_html_table): New static array. (filter_init): Intern new symbol. Instantiate new filter and store in filters hash.
* Filtering feature for variable substitution in output.Kaz Kylheku2011-09-2512-46/+505
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * filter.c, filter.h: New files. * Makefile (OBJS): filter.o added. * gc.c (mark_obj): Mark new alloc field of string objets. * hash.c (struct hash): New member, userdata. (hash_mark): Mark new userdata member of hash. (make_hash): Initialize userdata. (get_hash_userdata, set_hash_userdata, hashp): New functions. * hash.h (get_hash_userdata, set_hash_userdata, hashp): New functions declared. * lib.c (getplist, string_extend, cobjp): New functions. (string_own, string, string_utf8): Initialize new alloc field to nil. (mkstring, mkustring): Initialize new alloc field to actual size. (length_str): When length is computed and cached, also compute and cache alloc. (init): Call filter_init. * lib.h (string string): New member, alloc. (num_fast): Macro converted to inline function. (getplist, string_extend, cobjp): New functions declared. * match.c (match_line): Follows change of modifier s-exp syntax. (format_field): New parameter, filter. New modifier syntax parsed. Filter retrieved, and applied. (subst_vars): New parameter, filter. Filter is either applied in this function or passed to format_field, as needed. (eval_form): Pass nil to new parameter of subst_vars. (do_output_line): New parameter, filter. Passed down to subst_vars. (do_output): New parameter, filter. Passed down to do_output_line. (match_files): Pass nil filter to subst_vars in cat directive. Output directive refactored to parse keywords, extract the filter and pass down to do_output. * parser.y (regex): Generate (sys:regex regex syntax ...) instead of (regex syntax ...). (elem, expr): Updated w.r.t. regex syntax change. (var): Cases '{' IDENT regex '}' and '{' IDENT NUMBER '}' are removed. new syntax '{' IDENT exprs '}' to handle these more generally and allow for keywords. * txr.1: Updated.
* Numeric constants become real constants.Kaz Kylheku2011-09-243-16/+28
| | | | | | | | | | | | Vector code cleanup. * lib.h (zero, one, two, negone, maxint, minint): Extern declarations removed, macros introduced for these identifiers. * lib.c (zero, one, two, negone, maxint, minint): File scope definitions removed. (vector): Use vec_alloc and vec_fill enums instead of constants. (obj_init): Remove references to removed definitions.
* Removed redundant text.Kaz Kylheku2011-09-231-2/+0
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* * LICENSE, Makefile, configure, gc.c, gc.h, hash.c, hash.h, lib.c,Kaz Kylheku2011-09-2326-25/+34
| | | | | | lib.h, match.c, match.h, parser.h, parser.l, parser.y, regex.c, regex.h, stream.c, stream.h, txr.1, txr.c, txr.h, unwind.c, unwind.h, utf8.c, utf8.h: Updated copyright year.
* * match.c, parser.y: Support for old output syntax removed.Kaz Kylheku2011-09-234-32/+30
| | | | | | Leading :nothrow with trailing material is an error now. * txr.1: Updated. Made note of errors in pipes being asynchronous.
* * tests/002/query-1.txr: Old next syntax rewritten to new.Kaz Kylheku2011-09-232-3/+7
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* * match.c (match_files): Some cleanup in preparation of newKaz Kylheku2011-09-232-29/+33
| | | | features. Support for obsolescent @(next) syntax is gone.
* Semantics tweak: short circuiting behavior for @(all) and @(none).Kaz Kylheku2011-09-233-35/+64
| | | | | | * match.c (match_files): Added a couple of break statements. * txr.1: Updated.
* Version 036.txr-036Kaz Kylheku2011-09-224-3/+15
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* Useful second argument in skip directive for skippingKaz Kylheku2011-09-223-2/+47
| | | | | | | | a minimum number of lines. * match.c (match_files): New behavior in skip_s case. * txr.1: Documented.
* Spelling.Kaz Kylheku2011-09-201-2/+2
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* This should be under version control.Kaz Kylheku2011-09-011-0/+516
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