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2020-03-13Add prototype for grecs_txtacc_clearHEADmasterSergey Poznyakoff1
2019-07-10Import wordsplit as a submoduleSergey Poznyakoff2
* .gitmodules: New module: wordsplit * Distribute wordsplit files. * am/grecs.m4 (GRECS_INCLUDES): Add wordsplit directory * doc/ (dist_man_MANS): Distribute wordsplit/wordsplit.3 * doc/wordsplit.3: Remove. * include/ (GRECS_HDR): Add wordsplit/wordsplit. * include/wordsplit.h: Remove. * src/ Define nodist_libgrecs_la_SOURCES. * src/ Likewise. * src/ Define nodist_libgrecs_a_SOURCES. * src/ (GRECS_SRC): Remove wordsplit.c (NODIST_GRECS_SRC): Define to wordsplit.c (VPATH): Add the wordsplit directory. * src/wordsplit.c: Remove. * tests/ Remove. * tests/wsp.c: Remove. * tests/ Build separate testsuite for wordsplit. Use VPATH to build wsp. * tests/.gitignore: Update.
2019-06-13wordsplit: configurable order of lookups if both WRDSF_ENV and WRDSF_GETVAR ↵Sergey Poznyakoff1
are set * lib/wordsplit.h (WRDSO_GETVARPREF): New option. * lib/wordsplit.c (wordsplit_find_env): Rewrite as wsplt_env_lookup wsplt_env_getvar): New function. (expvar): Select preference of wsplt_env_lookup vs. wsplt_env_getvar depending on the value if WRDSO_GETVARPREF option.
2019-06-05Fix syntax checking of compound vs. scalar statements. Add assertion functions.Sergey Poznyakoff3
Up to now the parser incorrectly accepted the use of compound statement keyword in scalar context, unless the keyword description had non NULL value in the callback field. This change fixes it. It also defines several assertion functions for use inm callbacks. * src/tree.c (grecs_value_type_string): New function. (find_keyword): Take into account node type. (nodeproc,reduceproc): Leave error reporting to find_keyword. * tests/ Change expected error string. * include/grecs/tree.h (grecs_assert_value_type) (grecs_assert_scalar_stmt) (grecs_assert_node_value_type): New protos. * include/grecs/value.h (grecs_value_type_string): New proto. * src/ Add assert.c * src/assert.c: New file. * src/format.c (grecs_data_type_string): Add i18n markers to the returned strings.
2019-05-15wordsplit: introduce error contextSergey Poznyakoff1
* include/wordsplit.h (wordsplit) <ws_errctx>: New field. * src/wordsplit.c (wordsplit_init): Initialize ws_errctx. (expvar,wordsplit_pathexpand): Save error context. (wordsplit_clearerr): Free error context. (wordsplit_perror): Use error context if available. * tests/ Reflect changes.
2019-05-14Fix behaviour of $* and $@ in quoted contextSergey Poznyakoff1
2019-05-14wordsplit: whitespace cleanupSergey Poznyakoff1
2019-05-14wordsplit: rewrite positional parameters implementationSergey Poznyakoff1
This improves 3e07e3ad * include/wordsplit.h (ws_paramv,ws_paramc) (ws_parambuf,ws_paramidx,ws_paramsiz): New fields. (WRDSO_PARAMV,WRDSO_PARAM_NEGIDX): New options. (WRDSE_BADPARAM): New error code. (wordsplit_free_parambuf): New proto. * src/wordsplit.c (wordsplit_init): Initialize new fields. (wsplt_assign_var): Fix double-free and memory leak. (expvar): Expand positional parameters. (begin_var_p): Add '#' (wordsplit_free_envbuf): Fix condition. (wordsplit_free_parambuf): New function. (wordsplit_free): Call wordsplit_free_parambuf. (_wordsplit_errstr): New error description. * tests/ Update wsp invocations. Test positional parameters. * tests/wsp.c: Rewrite.
2019-05-13wordsplit: optionally disable splitting of unexpandable variable and command ↵Sergey Poznyakoff1
refs * include/wordsplit.h (WRDSO_NOVARSPLIT) (WRDSO_NOCMDSPLIT): New options. * src/wordsplit.c (scan_word): Treat any variable reference, even containing whitespace, as a single word if WRDSO_NOVARSPLIT is set. Ditto for commands and WRDSO_NOCMDSPLIT. * tests/ Add new tests. * tests/wsp.c: Recognize novarsplit and nocmdsplit options. For future use: recognize bskeep_words, bskeep_quote, bskeep.
2019-04-20Improve variable handling in wordsplit.Sergey Poznyakoff1
Positional variables ($N and ${N}) are recognized. Variable names in curly braces follow the same rules as unadorned ones. This commit also changes memory reallocation strategy in wsplt_assign_var. If ws_envbuf needs to be expanded, new allocation size is selected as 3/2 of the previous allocation, if that size is less than max(size_t).
2018-11-15Port mailutils commit 2c2e3c50d6Sergey Poznyakoff1
* include/wordsplit.h (WRDSO_ARGV): Remove. * src/wordsplit.c (expcmd): Always split command line into arguments. This fixes * tests/wsp.c: Implement internal commands, instead of calling shell ones. This fixes * tests/ Rewrite command expansion tests.
2018-06-04json: improve parser reentrabilitySergey Poznyakoff2
* include/grecs/json.h (jsonlex_cleanup): New proto. * src/json-lex.l (jsonlex_setup): Initialize parser state. Initialize json_current_locus_point.file to a non-NULL value. (jsonlex_cleanup): New function. * src/json-gram.y (json_parse_string): Call jsonlex_cleanup before returning. * src/diag.c (default_print_diag): Print the passed errcode argument, instead of errno.
2018-05-22New feature: maxwordsSergey Poznyakoff1
This feature allows the user to limit the number of words returned by a call to wordsplit. When the number of words in expansion reaches the predefined limit, the rest of input line will be expanded and returned as a single last word. For example, to parse a /etc/passwd line: struct wordsplit ws; ws.ws_delim = ":"; ws.ws_maxwords = 7; ws.ws_options = WRDSO_MAXWORDS; wordsplit(str, &ws, WRDSF_NOVAR | WRDSF_NOCMD | WRDSF_DELIM | WRDSF_OPTIONS); * doc/wordsplit.3: Document the maxwords feature. * include/wordsplit.h (wordsplit) <ws_maxwords> <ws_wordi>: New members. (WRDSO_MAXWORDS): New option. * src/wordsplit.c (WSP_RETURN_DELIMS): New macro. (_wsplt_subsplit): Rewrite. (wordsplit_init0): Don't reset node list. (wordsplit_init): Initialize ws_wordi and the node list. (wsnode_insert): Correctly insert lists. (coalesce_segment): Additional safety check. (wsnode_tail_coalesce): New static function. (wordsplit_finish): Postprocess delimiters. (expvar,expcmd): Use new _wsplt_subsplit. (wordsplit_varexp): Don't try to expand delimiter nodes. (skip_delim): Remove delimiter processing. It is now done in wordsplit_finish. (scan_word): New argument 'consume_all' instructs it to consume the rest of input as one token. (wordsplit_process_list): Handle wsp->ws_maxwords setting. This also fixed a long-standing bug: quotes weren't processed in WRDSF_NOSPLIT mode. See the testcase 59 (incremental nosplit). (wordsplit_run): Rewrite. (wordsplit_free): Free node list. * tests/ Update for the new wsp output format. (incremental nosplit): Expect correct output. Add tests for the maxwords feature. * tests/wsp.c (maxwords): New flag. Print the ws_wordi value as "TOTALS" at the end of each run.
2018-05-21Minor fixesSergey Poznyakoff1
* README.submodule: Fix the description. * include/wordsplit.h: Fix typo.
2018-02-20Minor improvement in wordsplitSergey Poznyakoff1
* src/wordsplit.c (expvar): Gracefully handle NULL values in ENV_KV environment. * src/wordsplit.h: Fix typo in a comment. * doc/wordsplit.3: Update.
2017-11-10Pull fixes to wordsplit from mailutilsSergey Poznyakoff1
This includes the following commits pushed between 2015-09-19 and 2017-10-10: 090c7b9a Allow ws_getvar to set value to NULL and return MU_WRDSE_OK. The value is processed as if it were "", i.e. MU_WRDSE_UNDEF is returned. 64313fdf Fix MU_WRDSF_INCREMENTAL | MU_WRDSF_NOSPLIT 46d7640f Add wordsplit_append function 151eb4b9 Fix nested expansions and command expansions occurring after variable expansions. ad3cc340 Replace void wordsplit_getwords with int wordsplit_get_words. * include/wordsplit.h (wordsplit_get_words): New function. (wordsplit_getwords): Mark as deprecated. (wordsplit_append): New function. * src/wordsplit.c (wordsplit_append): New function. MU 46d7640f. (expvar): Treat NULL value as "". MU 090c7b9a. (expcmd): Allow command and variable expansions in subsplit. (exptab): Change ordering of expansions so that command expansion occurs first. This fixes nested expansions and command expansions occurring after variable expansions. MU 151eb4b9. (wordsplit_process_list): Update wsp->ws_endp in nosplit mode. This fixes wordsplit MU_WRDSF_INCREMENTAL | MU_WRDSF_NOSPLIT. MU 64313fdf. (wordsplit_get_words): New function. MU ad3cc340. * tests/ Test the above changes. * tests/wsp.c: Accept extra arguments to append using wordsplit_append.
2017-08-15Fix typo in sockaddr.hSergey Poznyakoff1
* include/grecs/sockaddr.h (grecs_sockaddr_str): New proto.
2017-08-14Fix grecs_node_unlink function; implement grecs_sockaddr_str.Sergey Poznyakoff1
* include/grecs/sockaddr.h (grecs_sockaddr) <str>: New member. (grecs_sockaddr_to_str): New proto. * src/sockaddr.c (grecs_sockaddr_new): Initialize str. (grecs_sockaddr_free): Free str. (grecs_sockaddr_str): New function. * src/tree.c (grecs_node_unlink): Fix.
2016-08-25symtabs: allow to modify the list during iteration over it.Sergey Poznyakoff2
* include/grecs/list.h (grecs_list_remove): New proto. * include/grecs/symtab.h (grecs_symtab_count_entries): Rename to grecs_symtab_count. * src/list.c (grecs_list_remove): New function. (grecs_list_remove_tail, grecs_list_clear) (grecs_list_locate,grecs_list_index): Treat NULL list as empty list. * src/symtab.c: Defer table modifications during iteration (symtab_defer_type): New enum. (grecs_symtab)<elcount,itr_level,defer_list>: New members. (symtab_defer_op): New static function. (grecs_symtab_remove): When called during iteration, add the entry to the defer_del deferment list, unless it is already in defer_add, in which case remove it from there. Update elcount. (grecs_symtab_lookup_or_install): Defer addition when iterating. Update elcount. (grecs_symtab_clear): Reset elcount to 0. (grecs_symtab_create): Initialize elcount. (grecs_symtab_foreach): Process deferred modifications.
2016-07-29Start Automake conditionals on column one.Sergey Poznyakoff2
2016-07-16Disable adjacent string concatenation.Sergey Poznyakoff1
The adjacent string concatenation feature doesn't work well with multiple-argument statements. The common example (found in GNU pies) is the "env" statement: env "PATH=/sbin:$PATH" "PRELOAD=true" The intent was to pass it two arguments, but in fact they get concatenated into one. To control this, the grecs_parser_options variable is introduced. If it has the GRECS_OPTION_QUOTED_STRING_CONCAT bit set, adjacent string concatenation is enabled. By default it is disabled. The GRECS_OPTION_ADJUST_STRING_LOCATIONS bit controls the way the quoted sring locations are computed. If it is set, the beginning of the string is counted at the first character after the opening double quote, and its end at the character immediately preceding the closing double quote. Otherwise, both double-quote characters are included in the location (the default). The change is backward incompatible. * doc/grecs-syntax.texi: Update. * include/grecs/parser.h (grecs_adjust_string_locations): Remove. (grecs_parser_options): New extern. * src/grecs-lex.l: QSTRING is returned only if GRECS_OPTION_QUOTED_STRING_CONCAT option is set. The GRECS_OPTION_ADJUST_STRING_LOCATIONS option controls string locus adjustment. * src/parser.c (grecs_adjust_string_locations): Remove. (grecs_parser_options): New variable. * tests/ Add, * tests/ Likewise. * tests/gcffmt.c: New options -strcat and -stradj * tests/ New test case. * tests/ New test case.
2016-07-04Fix prototypes.Sergey Poznyakoff1
2016-07-04Prevent memory leaks when re-processing values of string type.Sergey Poznyakoff1
Port of a3f25ce2 from master. * include/grecs/table.h (GRECS_CONST): New flag. * src/tree.c (grecs_string_convert): For string types, free the old value prior to assigning the new one, unless the GRECS_CONST flag is set. In any case, clear the GRECS_CONST flag after assigning new value.
2016-07-04Unify some typedefs.Sergey Poznyakoff4
Use _ptr_t suffix for typedefs that define pointers.
2016-07-04Split declarations between several header files.Sergey Poznyakoff26
* (SUBDIRS): Add include * am/grecs.m4 (GRECS_INCLUDES): Update (GRECS_COND_BUILD_INSTALL) (GRECS_COND_BUILD_SHARED) (GRECS_COND_BUILD_STATIC): New conditions. Build include/Makefile and include/grecs/Makefile. * Use src/grecs-gram.y as a source validity marker * include/Makefile.a: New file. * src/grecs.hin: Remove. Split into include/*. See below. * include/grecs.h: New file. * include/grecs/.gitignore: New file. * include/grecs/ New file. * include/grecs/doc.h: New file. * include/grecs/error.h: New file. * include/grecs/format.h: New file. * include/grecs/lex.h: New file. * include/grecs/list.h: New file. * include/grecs/mem.h: New file. * include/grecs/node.h: New file. * include/grecs/parser.h: New file. * include/grecs/preproc.h: New file. * include/grecs/sockaddr.h: New file. * include/grecs/symtab.h: New file. * include/grecs/table.h: New file. * include/grecs/tree.h: New file. * include/grecs/txtacc.h: New file. * include/grecs/ New file. * include/grecs/util.h: New file. * include/grecs/value.h: New file. * include/grecs/version.h: New file. * src/grecs-locus.h: Move to ... * include/grecs/locus.h: ... here * src/grecsopt.h: Move to ... * include/grecs/opt.h: ... here * src/json.h: Move to ... * include/grecs/json.h: ... here * src/wordsplit.h: Move to ... * include/wordsplit.h: ... here * src/ (include_HEADERS): Remove. * src/ (grecsinclude_HEADERS) (noinst_HEADERS): Remove. * src/ (noinst_HEADERS): Remove. * src/ Remove header-related stuff * src/bind-gram.y: Fix includes. * src/bind-lex.l: Likewise. * src/cidr.c: Likewise. * src/dhcpd-gram.y: Likewise. * src/dhcpd-lex.l: Likewise. * src/diag.c: Likewise. * src/format.c: Likewise. * src/grecs-gram.y: Likewise. * src/grecs-lex.l: Likewise. * src/json-gram.y: Likewise. * src/json-lex.l: Likewise. * src/jsonfmt.c: Likewise. * src/lookup.c: Likewise. * src/meta1-gram.y: Likewise. * src/meta1-lex.l: Likewise. * src/opthelp.c: Likewise. * src/preproc.c: Likewise. * src/sockaddr.c: Likewise. * src/txtacc.c: Likewise. * src/version.c: Likewise. * tests/gcfenum.c: Likewise. * tests/gcffmt.c: Likewise. * tests/gcfpeek.c: Likewise. * tests/gcfset.c: Likewise. * tests/gcfver.c: Likewise. * tests/json.c: Likewise.

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