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6e504a7b44
* libguile/print.c (scm_print_opts): Add 'r7rs-symbols' print option.
(symbol_has_extended_read_syntax): If the 'r7rs-symbols' option is
enabled, then disallow '|' and '\' from bare symbols.
(print_extended_symbol): Use 'scm_lfwrite' and 'scm_putc' instead of
'display_string' and 'display_character' when printing ASCII literals.
(print_r7rs_extended_symbol): New static function.
(scm_i_print_symbol_name): If the 'r7rs-symbols' option is enabled,
use 'print_r7rs_extended_symbol' instead of 'print_extended_symbol'.
* libguile/private-options.h (SCM_PRINT_R7RS_SYMBOLS_P): New macro.
(SCM_N_PRINT_OPTIONS): Increment.
* doc/ref/api-evaluation.texi (Scheme Write): Mention 'r7rs-symbols'
print option.
* test-suite/tests/print.test ("write"): Add tests.
76 lines
2.6 KiB
C
76 lines
2.6 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_PRINT_R7RS_SYMBOLS_P scm_print_opts[4].val
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#define SCM_N_PRINT_OPTIONS 5
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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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