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* 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.
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