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* Task #11442. Make work on MingW.Kaz Kylheku2011-11-051-0/+9
| | | | | | | * configure: Test for environ and GetEnvironmentStrings. * lib.c: Conditionally include <windows.h>. (env): Implemented for POSIX and Windows with #ifdefs.
* Task #11442. Access to environment variables.Kaz Kylheku2011-11-051-0/+16
| | | | | | | | | | | | | | * lib.c (env_list): New static variable. (env): New function. (match): Declaration of nonexistent function removed. (obj_init): New variable gc-protected. * lib.h (env): Declared. * match.c (env_k): New symbol variable. (v_next): Implemented :env. * txr.1: @(next :env) described.
* * hash.c (ll_hash): Added a break in the case that handlesKaz Kylheku2011-11-041-0/+6
| | | | | pointer hashing of identity-equal objects. Without this, if the pointer size is not 4 or 8, we fall through to the next case.
* * txr.c (help): Change year from 2009 to 2011.Kaz Kylheku2011-11-041-0/+4
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* * tests/008/students.txr: Use disciplined collect with :vars.Kaz Kylheku2011-11-031-0/+4
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* * tests/008/students.txr: Regexes removed.Kaz Kylheku2011-11-031-0/+4
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* * txr.vim: Added missing keywords.Kaz Kylheku2011-11-021-0/+4
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* * genman.txr: Use filter for mapping month digits to names.Kaz Kylheku2011-11-011-0/+5
| | | | Added comment about where to find the right man2html.
* * txr.vim: Added installation instructions.Kaz Kylheku2011-11-011-0/+4
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* Syntax highlighting for Vim.Kaz Kylheku2011-11-011-0/+6
| | | | * txr.vim: New file.
* Version 041txr-041Kaz Kylheku2011-10-301-0/+45
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* We don't include headers in headers in this project.Kaz Kylheku2011-10-301-0/+10
| | | | | | | | * parser.h: Do not include <stdio.h> * regex.c: Include <limits.h> * regex.h: Do not include <limits.h>
* Bug #34691Kaz Kylheku2011-10-301-0/+18
| | | | | | | | | | | | | | | | Changing the parameter passing convention for vertical directives. They take one parameter which is a pointer, rather than a copy of the structure. They do not have to perform a structure assignment when returning next_spec_k. * match.c (v_match_func): Typedef updated to new function signature. (v_skip, v_trailer, v_freeform, v_block, v_accept, v_accept, v_next, v_parallel, v_collect, v_flatten, v_forget, v_forget, v_merge, v_bind, v_set, v_cat, v_output, v_define, v_try, v_defex, v_throw, v_deffilter, v_filter, v_eof, v_fun): Refactored. (match_files): Updated dispatch logic to new style calls. (match_funcall): Updated to new way of calling v_fun.
* * HACKING: Grammar fixes. Expanded on lazy strings a little bit.Kaz Kylheku2011-10-291-0/+6
| | | | | Added something about mem_t *, and a few extra words here and there, including a blurb about a Valgrind debugging caveat.
* Bug #34657Kaz Kylheku2011-10-271-0/+8
| | | | | | * txr.1: Added explanations about the differences between empty streams and empty lines, and to watch out when passing empty strings to @(next :string ...).
* Bugfix: prepared_error_message variable needs to be gc-protected.Kaz Kylheku2011-10-261-0/+11
| | | | | | | | | * parser.h (parse_init): Declared. * parser.l (parse_init): New function. * txr.c (main): Call parse_init. (txr_main): No need to gc-protect yyin_stream since parse_init does it.
* Parse error handling improvements.Kaz Kylheku2011-10-261-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | * parser.l (prepared_error_message): New static variable. (yyerror): Emit and clear prepared error message. (yyerrprepf): New static function. (yybadtoken): Function moved into parser.y. (grammar): For irrecoverable lexical errors, stash error message with yyerrprepf and return the special error token ERRTOK to generate a syntax error. I could find no other interface to the parser to make it cleanly exit. * parser.y (ERRTOK): New terminal symbol, does not appear anywhere in the grammar. (spec): Bail after 8 errors, recover to nearest newline, and use yyerrok to clear error situation. (YYEOF): Provided by Bison, conditionally defined for other yacc-s. (yybadtoken): Function moved from parser.l. Checks for the next token being YYEMPTY or YYEOF, and also handles ERRTOK. * stream.c (vformat_to_string): New function. (format): If stream is nil, format to string and return it. * stream.h (vformat_to_string): Declared.
* * match.c (v_cat): Bugfix: unterminated variable argument list.Kaz Kylheku2011-10-261-0/+6
| | | | * tests/001/query-3.txr: Updated to new cat syntax.
* Fixed lame @(cat) directive, without obsolescence phase.Kaz Kylheku2011-10-261-0/+8
| | | | | | * match.c (v_cat): Rewritten. * txr.1: Documented.
* * configure: put in set -u to trap unbound variables,Kaz Kylheku2011-10-251-0/+5
| | | | and fixed resulting errors that were found.
* * match.c (filter_s): New symbol variable.Kaz Kylheku2011-10-251-0/+9
| | | | | | | | (v_filter): New function. (syms_init): New symbol variable initialized. (dir_tables_init): New function entered into table. * txr.1: Documented new filter directive.
* dep.mk: Regenerated.Kaz Kylheku2011-10-251-0/+4
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* Shorthand for filters which map multiple texts to a commonKaz Kylheku2011-10-251-0/+18
| | | | | | | | | | | | | | | | | replacement text. * filter.c (build_filter_from_list): Allow tuples to denote multiple keys mapping to the same value. * lib.c (do_curry_123_2, do_curry_123_1): New static functions. (curry_123_2, curry_123_1): New functions. * lib.h (curry_123_2, curry_123_1): New functions declared. * match.c (v_deffilter): Allow tuples of strings rather than just pairs. * txr.1: Updated.
* * parser.y: Remove mention of nonexistent terminal \\Kaz Kylheku2011-10-251-0/+5
| | | | from %right associativity clause.
* * txr.1: Updated.Kaz Kylheku2011-10-251-0/+2
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* * filter.c (fun_k): New keyword variable.Kaz Kylheku2011-10-251-0/+8
| | | | | | | (function_filter): Use :fun keyword symbol instead of fun. (filter_init): New keyword variable initialized. * filter.h (upcase_k, downcase_k, fun_k): Declared.
* * match.c (v_bind): Use sem_error to throw errors with line numberKaz Kylheku2011-10-251-0/+5
| | | | info.
* Bugs #34641, #34629.Kaz Kylheku2011-10-241-0/+9
| | | | | | | * lib.c (search_str_tree): If multiple strings from the needle tree matching within within the haystack string, then take the leftmost match. If there are multiple matches at the same leftmost position, take the longest one.
* * filter.c (function_filter): New function.Kaz Kylheku2011-10-241-0/+23
| | | | | | | | | | | | | | | | | | | | | | (get_filter): Handle (fun ...) syntax. * match.c (v_bind): Establish dynamic environment frame around dest_bind, and stash the bindings there so filters can have access to the bindings. (v_output): Likewise, around do_output calls. (v_fun): New function. (match_files): Function handling broken out into v_fun. (match_funcall): New function. * match.h (match_funcall): Declared. * unwind.c (uw_push_env): Initialize match_context. (uw_get_match_context, uw_set_match_context): New functions. * unwind.h (struct uw_dynamic_env): New member, match_context. (uw_get_match_context, uw_set_match_context): Declared. * txr.1: Documented function filters.
* Turning attention to some plumbing.Kaz Kylheku2011-10-241-0/+15
| | | | | | | | | | | | | * unwind.c (uw_env_stack): New static variable. (uw_unwind_to_exit_point): Maintain correct uw_env_stack during unwinding. (uw_find_env): Just retrieve the env stack pointer; no search. (uw_push_env): Store a pointer to the previous environmental frame and just initialize the bindings to nil. No need to cons up a copy of the bindings from the previous frame. (uw_get_func): Perform a search through the environment stack. * unwind.h (struct uw_dynamic_env): New member, up_env.
* * tests/007/except-1.txr: Use next :list insteadKaz Kylheku2011-10-231-0/+6
| | | | | of piping from echo command. As a result, this test case should run on MingW.
* * match.c (list_k, string_k): New keyword symbol variables.Kaz Kylheku2011-10-231-0/+9
| | | | | | | | (v_next): Implement :list and :string keywords. (syms_init): New keyword variables initialized. NOTE: the :var keyword is deprecated. * txr.1: Documented :list and :string.
* * match.c (h_skip): Bugfix: bad agument list in debugf call.Kaz Kylheku2011-10-231-0/+4
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* Task #11474Kaz Kylheku2011-10-221-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | * filter.c (filter_equal): Takes two filters instead of one. (lfilt_k, rfilt_k): New keyword variables. (filter_init): New keyword variables initialized. * filter.h (filter_equal): Declaration updated. (lfilt_k, rfilt_k): Declared. * lib.c (funcall4): New function. (do_curry_1234_34): New static function. (curry_1234_34): New function. (do_swap_12_21): New static function. (swap_12_21): New function. * lib.h (funcall4, curry_1234_34, swap_12_21): Declared. * match.c (dest_bind): Swap use the function argument swapping combinator when calling tree find such that the value being searched is on the left and pattern material is on the right. (v_bind): Implemented :lfilt and :rfilt. * txr.1: Documented :lfilt and :rfilt.
* * filter.c (get_filter_trie): Function renamed to get_filter. A filterKaz Kylheku2011-10-221-0/+15
| | | | | | | | | | | | | | is not necessarily a trie. (string_filter, compound_filter): New functions. (get_filter): Recognize a compound filters and return a function which implements it. * filter.h (get_filter_trie): Declaration renamed. * match.c (format_field, v_bind, v_output): Follow get_filter_trie rename. Error message text updated. * txr.1: Describe compound filters.
* Task #11474Kaz Kylheku2011-10-221-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | * filter.c (filter_equal): New function. (upcase_k, downcase_k): New keyword variables. (filter_init): New keyword variables initialized, and new upcase and downcase filters registered. * filter.h (filter_equal): Declared. * lib.c (tree_find): Takes new argument, the equality test function. (upcase_str, downcase_str): New functions. (do_curry_123_23): New static function. (curry_123_23): New function. * lib.h (tree_find): Declaration updated. (upcase_str, downcase_str, curry_123_23): Declared. * match.c (dest_bind): Updated to take equality function. Uses it and passes it down to tree_find. (v_bind): Filter feature implemented. (h_var, v_try): Add equal_f to dest_bind argument list. * txr.1: Updated to describe new filters and bind arguments.
* Fix incorrect ChangeLog entry.Kaz Kylheku2011-10-211-3/+2
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* * match.c (v_collect): Regression bugfix. Make it work like the commentKaz Kylheku2011-10-211-0/+8
| | | | | | | says: until/last clause has visibility to uncollated bindings from collect. * txr.1: Document behavior.
* * match.c (v_collect): Regression bugfix. Make it work like the commentKaz Kylheku2011-10-211-0/+6
| | | | | says: until/last clause has visibility to uncollated bindings from collect.
* Implementing @(set) directive for assigning to variablesKaz Kylheku2011-10-211-0/+10
| | | | | | | | | destructively. * match.c (dest_set, v_set): New static functions. (dir_tables_init): Add v_set to vertical directives hash table. * txr.1: Documented.
* * match.c (v_output): When appending output to a variable,Kaz Kylheku2011-10-211-0/+8
| | | | | | | flatten the previous contents so we can append to a single string, or to deeply nested list, etc. * txr.1: Documented these new extensions to next and output.
* New features. Strling list output streams in streamKaz Kylheku2011-10-211-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | library, allow output to be captured as a list of strings representing lines (in contrast to string streams which capture a single string). The output directive can output to a variable, and next can scan over a variable. * lib.c (span_str, compl_span_str, break_str): New functions. * lib.h (span_str, compl_span_str, break_str): New functions declared. * match.c (into_k, var_k): New keyword variables. (mf_file_data): New static function. (v_next): Refactored argument handling. Added support for :var keyword. (v_output): Added support for :into keyword. * stream.c (strlist_mark, strlist_out_put_string, strlist_out_put_char): New static functions. (strlist_out_ops): New static struct. (make_strlist_output_stream, get_list_from_stream): New functions. * stream.h (make_strlist_output_stream, get_list_from_stream): New functions declared.
* * lib.c (proper_plist_to_alist, improper_plist_to_alist): NewKaz Kylheku2011-10-211-0/+15
| | | | | | | | | | | | | | functions. * lib.h (proper_plist_to_alist, improper_plist_to_alist): New functions declared. * match.c (append_k): New keyword symbol variable. (complex_open): New append argument. (v_output): Streamlined parsing of keywords. Support :append keyword. * txr.1: Output directive's keyword documentation revised.
* Bug #34609Kaz Kylheku2011-10-201-0/+8
| | | | | | * match.c (v_block): Regression induced by rabid refactoring. Block must apply remaining directives to data, excluding itself, otherwise runaway recursion takes the place of correct behavior.
* Spelling.Kaz Kylheku2011-10-201-1/+1
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* Version 040txr-040Kaz Kylheku2011-10-201-0/+26
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* Task #11425Kaz Kylheku2011-10-191-0/+12
| | | | | | | | | | * match.c (repeat_spec_k): New symbol variable (h_match_func): New typedef. (elem_bind): New macro. (h_var, h_skip, h_coll, h_parallel, h_trailer, h_eol): New functions. (match_line): Remaining directives moved to functions. (syms_init): New symbol variable initialized. (dir_tables_init): New functions entered into hash table.
* Task #11425Kaz Kylheku2011-10-191-0/+17
| | | | | | | | | | | | | | | Refactoring match_files to make it easier to break up into subfunctions, similarly to what was done with match_files. * match.c (match_line_ctx): New struct type. (ml_all, ml_specline, ml_bindings_specline): New functions. (LOG_MISMATCH, LOG_MATCH): Macros moved outside of function, updated to refer to structure members rather than local variables. (match_line): Takes only one argument now. All recursive calls updated. (v_freeform): Call to match_line updated. (match_files): Likewise.
* Task #11425Kaz Kylheku2011-10-191-0/+11
| | | | | | | | | * match.c (v_accept_fail, v_next, v_parallel, v_collect, v_flatten, v_forget_local, v_merge, v_bind, v_cat, v_output, v_try, v_define, v_defex, v_throw, v_deffilter, v_eof): New functions. (match_files): Remaining directives moved to functions. (dir_tables_init): New functions entered into hash table.
* * hash.c (ll_hash): Hashing of pointers should take intoKaz Kylheku2011-10-191-0/+10
| | | | | | | | | account alignment, otherwise only values divisible by the alignment occur. This patch takes into considerations that val values are pointers to object descriptors in a heap which are four words wide, and so most likely aligned to 16 byte boundaries (32 bit systems) or 32 byte boundaries (64 bit). We need to shift.
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