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dc59631d30
* libguile/private-options.h (SCM_R7RS_SYMBOLS_P): New macro.
(SCM_N_READ_OPTIONS): Increment.
* libguile/read.c (scm_read_opts): Add entry for 'r7rs-symbols'.
(t_read_opts): Add field for 'r7rs_symbols_p'.
(scm_read_string_like_syntax): New function based on earlier
'scm_read_string' that handles either string literals or R7RS quoted
symbols (delimited by vertical bars), depending on the value of 'chr'.
(scm_read_string): Reimplement based on 'scm_read_string_like_syntax'.
(scm_read_r7rs_symbol): New static function.
* doc/ref/api-data.texi (Symbol Read Syntax): Briefly describe the R7RS
symbol syntax, mention the 'r7rs-symbols' read option, and give some
examples.
* doc/ref/api-evaluation.texi (Scheme Read): Mention the 'r7rs-symbols'
read option.
* test-suite/tests/reader.test ("reading"): Add test.
75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/*
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* private-options.h - private declarations for option handling
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*
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* We put this in a private header, since layout of data structures
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* is an implementation detail that we want to hide.
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*
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* Copyright (C) 2007, 2009, 2010, 2011, 2014 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef PRIVATE_OPTIONS
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#define PRIVATE_OPTIONS
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/*
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debugging.
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*/
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SCM_INTERNAL scm_t_option scm_debug_opts[];
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#define SCM_BACKWARDS_P scm_debug_opts[0].val
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#define SCM_BACKTRACE_WIDTH scm_debug_opts[1].val
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#define SCM_BACKTRACE_DEPTH scm_debug_opts[2].val
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#define SCM_BACKTRACE_P scm_debug_opts[3].val
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#define SCM_STACK_LIMIT scm_debug_opts[4].val
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#define SCM_SHOW_FILE_NAME scm_debug_opts[5].val
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#define SCM_WARN_DEPRECATED scm_debug_opts[6].val
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#define SCM_N_DEBUG_OPTIONS 7
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/*
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printing
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*/
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SCM_INTERNAL scm_t_option scm_print_opts[];
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#define SCM_PRINT_HIGHLIGHT_PREFIX_I 0
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#define SCM_PRINT_HIGHLIGHT_PREFIX (SCM_PACK (scm_print_opts[0].val))
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#define SCM_PRINT_HIGHLIGHT_SUFFIX_I 1
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#define SCM_PRINT_HIGHLIGHT_SUFFIX (SCM_PACK (scm_print_opts[1].val))
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#define SCM_PRINT_KEYWORD_STYLE_I 2
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#define SCM_PRINT_KEYWORD_STYLE (SCM_PACK (scm_print_opts[2].val))
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#define SCM_PRINT_ESCAPE_NEWLINES_P scm_print_opts[3].val
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#define SCM_N_PRINT_OPTIONS 4
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/*
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read
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*/
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SCM_INTERNAL scm_t_option scm_read_opts[];
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#define SCM_COPY_SOURCE_P scm_read_opts[0].val
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#define SCM_RECORD_POSITIONS_P scm_read_opts[1].val
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#define SCM_CASE_INSENSITIVE_P scm_read_opts[2].val
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#define SCM_KEYWORD_STYLE scm_read_opts[3].val
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#define SCM_R6RS_ESCAPES_P scm_read_opts[4].val
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#define SCM_SQUARE_BRACKETS_P scm_read_opts[5].val
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#define SCM_HUNGRY_EOL_ESCAPES_P scm_read_opts[6].val
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#define SCM_CURLY_INFIX_P scm_read_opts[7].val
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#define SCM_R7RS_SYMBOLS_P scm_read_opts[8].val
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#define SCM_N_READ_OPTIONS 9
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#endif /* PRIVATE_OPTIONS */
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