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2019-07-10BugfixesSergey Poznyakoff1
* src/.gitignore: Remove grecs.h * tests/Makefile.am: Fix AM_CPPFLAGS
2015-12-18Add basic JSON support functions.Sergey Poznyakoff1
* src/Make-inst.am: Add json.h * src/Make-shared.am: Likewise. * src/Make-static.am: Likewise. * src/Make.am: Likewise. * src/json-gram.y: New file. * src/json-lex.l: New file. * src/json.h: New file. * src/yytrans: Translate json prefixes. * src/.gitignore: Update. * tests/json.c: New file. * tests/json00.at: New file. * tests/json01.at: New file. * tests/Makefile.am: Add new tests; build json * tests/testsuite.at: Add new tests. * tests/.gitignore: Update. * am/grecs.m4: New flag "json" * configure.ac (GRECS_SETUP): Require json * src/Make-inst.am (include_HEADERS): Assign GRECS_HDR value. * src/Make-shared.a [GRECS_COND_INSTALLHEADERS] (grecsinclude_HEADERS) [!GRECS_COND_INSTALLHEADERS] (noinst_HEADERS): Likewise. * src/Make-static.am (noinst_HEADERS): Likewise. * src/Make.am [GRECS_COND_JSON]: Define GRECS_JSON and GRECS_EXTRA_JSON.
2013-02-26Introduce an alternative callback function calling convention.Sergey Poznyakoff1
Depending on the tree-api option to the GRECS_SETUP macro, the signature of callback functions changes. If the option is supplied, a pointer to grecs_node_t is passwd to callback functions as an argument instead of pointers to the value and locus. * am/grecs.m4 (GRECS_SETUP): New option tree-api. * src/.gitignore: Add grecs.h * src/Make.am: Build grecs.h * src/grecs.h: Rename to src/grecs.hin (GRECS_TREE_API): New define (grecs_callback_fn): Provide two alternative signatures depending on the value of GRECS_TREE_API. All uses updated. * src/tree.c (fake_callback): Update signature. (grecs_process_ident) (stmt_begin,stmt_end): Update calls to callback. * tests/gcfset.c: Likewise.
2012-08-13Implement a parser for dhcpd.confSergey Poznyakoff1
* am/grecs.m4 (parser-dhcpd): New option. * doc/GRECS_SETUP.3: Document parser-dhcpd * src/.gitignore: Add dhcpd-* generated files. * src/Make.am [GRECS_COND_DHCPD_PARSER]: Define DHCPD variables. (GRECS_SRC, EXTRA_DIST): Reference them. * src/dhcpd-gram.y: New file. * src/dhcpd-lex.l: New file. * src/grecs.h (grecs_dhcpd_parser): New proto. * src/tree.c (node_reduce): Fix return without a value.
2011-05-16Implement BIND config parser.Sergey Poznyakoff1
* am/grecs.m4: New option: parser-bind. * src/.gitignore: Update. * src/Make.am [GRECS_COND_BIND_PARSER]: Set GRECS_PARSER_BIND and GRECS_EXTRA_BIND. (GRECS_SRC): Include GRECS_PARSER_BIND. (EXTRA_DIST): Include GRECS_EXTRA_BIND. * src/bind-gram.y: New file. * src/bind-lex.l: New file. * src/format.c (grecs_txtacc_format_value): New function. * src/grecs.h (grecs_bind_parser): New proto. * src/parser.c: Set grecs_current_locus. * src/tree.c (grecs_node_bind): Return immediately if node==NULL. * src/yytrans: Update.
2011-05-15Provide a framework for multiple parsers. Implement meta1 parser.Sergey Poznyakoff1
* Makefile.am (EXTRA_DIST): Add build-aux/yyrename * am/grecs.m4: New options: parser-meta1 and all-parsers * src/.gitignore: Update. * src/Make.am [GRECS_COND_META1_PARSER]: Set GRECS_PARSER_META1 and GRECS_EXTRA_META1 (GRECS_SRC): Add new files. (EXTRA_DIST): Add GRECS_EXTRA_META1. (LEXCOMPILE,YACCCOMPILE): Redefine * src/grecs-gram.y: Don't include yygrecs.h (grecs_vasprintf,grecs_asprintf): Move to a separate file. (grecs_parse): Rename to grecs_grecs_parser. Actual grecs_parse is defined in parser.c (grecs_gram_trace): Move to parser.c * src/grecs-lex.l: Don't include yygrecs.h Use line_acc functions. * src/grecs.h (grecs_trace_flags): New extern. (GRECS_TRACE_GRAM, GRECS_TRACE_LEX): New flags. (grecs_lex_begin): Change signature. (grecs_grecs_parser,grecs_meta1_parser): New protos. (grecs_line_acc_create) (grecs_line_acc_free,grecs_line_acc_grow_char) (grecs_line_acc_grow_char_unescape) (grecs_line_acc_grow) (grecs_line_acc_grow_unescape_last): New protos. (GRECS_TXTACC_BUFSIZE): New const (grecs_txtacc_create,grecs_txtacc_free) (grecs_txtacc_grow,grecs_txtacc_finish) (grecs_txtacc_free_string): New protos. (grecs_value_match): New proto. * src/wordsplit.c (quote_transtab): Translate \" * src/yygrecs.h: Remove. * src/yytrans: New file. * build-aux/yyrename: New file. * src/asprintf.c: New file. * src/lineacc.c: New file. * src/meta1-gram.y: New file. * src/meta1-lex.l: New file. * src/parser.c: New file. * src/txtacc.c: New file. * doc/grecs_parse.3: Update. * doc/GRECS_SETUP.3: Update.
2011-05-05Improve node formatting. Add version comparasion functions.Sergey Poznyakoff1
* am/grecs.m4 (GRECS_SETUP): New option: shared. * doc/GRECS_SETUP.3: Document new options. * doc/grecs_format_locus.3: Update. * doc/grecs_format_node.3: Document new flags. * src/.gitignore: Update. * src/version.c: New file. * src/Make.am (GRECS_SRC): Add version.c (EXTRA_DIST): Update. * src/diag.c (default_print_diag): Flush stdout as per the docs. * src/format.c (grecs_format_locus): Don't print trailing semicolon. (grecs_format_value): Handle GRECS_NODE_FLAG_NOQUOTE flag. (grecs_format_node): Print delimiters when needed. * src/grecs.h (grecs_version_info): New struct. (grecs_version, grecs_version_cmp): New protos. (GRECS_NODE_FLAG_NOQUOTE): New flag. * tests/gcfver.c: New file. * tests/vercmp.at: New file. * tests/.gitignore: Update. * tests/Makefile.am: Define GRECS_VERCMP_AT in package.m4 (TESTSUITE_AT): Add vercmp.at (conditionally). (noinst_PROGRAMS): Add gcfver. * tests/testsuite.at: Conditionally include vercmp.at.
2011-05-04Improve docs. Add an option to create installable distribution.Sergey Poznyakoff1
2011-05-03Switch to the two-layer model. Add testsuite.Sergey Poznyakoff1
The configuration file parser creates a syntax tree. This step does not require any knowledge about which keywords are allowed. The user can then either use that tree directly, or post-process it using parser tables. The latter approach is equivalent to previous versions of grecs.

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