-/* Copyright (C) 1995,1996,1997,1999,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1997,1999,2000,2001,2003, 2004 Free Software
+ * Foundation, Inc.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
-/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
- gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
\f
#include "libguile/ports.h"
#include "libguile/root.h"
#include "libguile/strings.h"
+#include "libguile/strports.h"
#include "libguile/vectors.h"
-
#include "libguile/validate.h"
+
#include "libguile/read.h"
\f
+SCM_GLOBAL_SYMBOL (scm_sym_dot, ".");
SCM_SYMBOL (scm_keyword_prefix, "prefix");
scm_t_option scm_read_opts[] = {
{ SCM_OPTION_BOOLEAN, "case-insensitive", 0,
"Convert symbols to lower case."},
{ SCM_OPTION_SCM, "keywords", SCM_UNPACK (SCM_BOOL_F),
- "Style of keyword recognition: #f or 'prefix"}
+ "Style of keyword recognition: #f or 'prefix."}
+#if SCM_ENABLE_ELISP
+ ,
+ { SCM_OPTION_BOOLEAN, "elisp-vectors", 0,
+ "Support Elisp vector syntax, namely `[...]'."},
+ { SCM_OPTION_BOOLEAN, "elisp-strings", 0,
+ "Support `\\(' and `\\)' in strings."}
+#endif
};
+/*
+ Give meaningful error messages for errors
+
+ We use the format
+
+ FILE:LINE:COL: MESSAGE
+ This happened in ....
+
+ This is not standard GNU format, but the test-suite likes the real
+ message to be in front.
+
+ */
+
+
+static void
+scm_input_error (char const *function,
+ SCM port, const char *message, SCM arg)
+{
+ SCM fn = (scm_is_string (SCM_FILENAME(port))
+ ? SCM_FILENAME(port)
+ : scm_from_locale_string ("#<unknown port>"));
+
+ SCM string_port = scm_open_output_string ();
+ SCM string = SCM_EOL;
+ scm_simple_format (string_port,
+ scm_makfrom0str ("~A:~S:~S: ~A"),
+ scm_list_4 (fn,
+ scm_from_int (SCM_LINUM (port) + 1),
+ scm_from_int (SCM_COL (port) + 1),
+ scm_makfrom0str (message)));
+
+ string = scm_get_output_string (string_port);
+ scm_close_output_port (string_port);
+ scm_error_scm (scm_str2symbol ("read-error"),
+ scm_makfrom0str (function),
+ string,
+ arg,
+ SCM_BOOL_F);
+}
+
+
SCM_DEFINE (scm_read_options, "read-options-interface", 0, 1, 0,
(SCM setting),
"Option interface for the read options. Instead of using\n"
"this procedure directly, use the procedures @code{read-enable},\n"
- "@code{read-disable}, @code{read-set!} and @var{read-options}.")
+ "@code{read-disable}, @code{read-set!} and @code{read-options}.")
#define FUNC_NAME s_scm_read_options
{
SCM ans = scm_options (setting,
if (SCM_UNBNDP (port))
port = scm_cur_inp;
- SCM_VALIDATE_OPINPORT (1,port);
+ SCM_VALIDATE_OPINPORT (1, port);
c = scm_flush_ws (port, (char *) NULL);
if (EOF == c)
char *
scm_grow_tok_buf (SCM *tok_buf)
{
- size_t oldlen = SCM_STRING_LENGTH (*tok_buf);
+ size_t oldlen = SCM_I_STRING_LENGTH (*tok_buf);
SCM newstr = scm_allocate_string (2 * oldlen);
size_t i;
for (i = 0; i != oldlen; ++i)
- SCM_STRING_CHARS (newstr) [i] = SCM_STRING_CHARS (*tok_buf) [i];
+ SCM_I_STRING_CHARS (newstr) [i] = SCM_I_STRING_CHARS (*tok_buf) [i];
*tok_buf = newstr;
- return SCM_STRING_CHARS (newstr);
+ return SCM_I_STRING_CHARS (newstr);
}
goteof:
if (eoferr)
{
- if (!SCM_FALSEP (SCM_FILENAME (port)))
- scm_misc_error (eoferr,
- "end of file in ~A",
- SCM_LIST1 (SCM_FILENAME (port)));
- else
- scm_misc_error (eoferr, "end of file", SCM_EOL);
+ scm_input_error (eoferr,
+ port,
+ "end of file",
+ SCM_EOL);
}
return c;
case ';':
scm_casei_streq (char *s1, char *s2)
{
while (*s1 && *s2)
- if (scm_downcase((int)*s1) != scm_downcase((int)*s2))
+ if (scm_c_downcase((int)*s1) != scm_c_downcase((int)*s2))
return 0;
else
{
/* recsexpr is used when recording expressions
* constructed by read:sharp.
*/
-#ifndef DEBUG_EXTENSIONS
-#define recsexpr(obj, line, column, filename) (obj)
-#else
static SCM
recsexpr (SCM obj, long line, int column, SCM filename)
{
/* If this sexpr is visible in the read:sharp source, we want to
keep that information, so only record non-constant cons cells
which haven't previously been read by the reader. */
- if (SCM_FALSEP (scm_whash_lookup (scm_source_whash, obj)))
+ if (scm_is_false (scm_whash_lookup (scm_source_whash, obj)))
{
if (SCM_COPY_SOURCE_P)
{
return obj;
}
}
-#endif
/* Consume an SCSH-style block comment. Assume that we've already
read the initial `#!', and eat characters until we get a
- newline/exclamation-point/sharp-sign/newline sequence. */
+ newline/exclamation-point/sharp-sign/newline sequence.
+
+ A carriage return is also reocgnized as a newline. */
static void
skip_scsh_block_comment (SCM port)
#define FUNC_NAME "skip_scsh_block_comment"
{
- /* Is this portable? Dear God, spare me from the non-eight-bit
- characters. But is it tasteful? */
- long history = 0;
+ int state = 0;
for (;;)
{
int c = scm_getc (port);
-
+
if (c == EOF)
SCM_MISC_ERROR ("unterminated `#! ... !#' comment", SCM_EOL);
- history = ((history << 8) | (c & 0xff)) & 0xffffffff;
- /* Were the last four characters read "\n!#\n"? */
- if (history == (('\n' << 24) | ('!' << 16) | ('#' << 8) | '\n'))
+ if (state == 1 && c == '!')
+ state = 2;
+ else if (state == 2 && c == '#')
+ state = 3;
+ else if (state == 3 && (c == '\n' || c == '\r'))
return;
+ else if (c == '\n' || c == '\r')
+ state = 1;
+ else
+ state = 0;
}
}
#undef FUNC_NAME
static SCM scm_get_hash_procedure(int c);
+static SCM scm_i_lreadparen (SCM *, SCM, char *, SCM *, char);
static char s_list[]="list";
+static char s_vector[]="vector";
SCM
-scm_lreadr (SCM *tok_buf,SCM port,SCM *copy)
+scm_lreadr (SCM *tok_buf, SCM port, SCM *copy)
#define FUNC_NAME "scm_lreadr"
{
int c;
case '(':
return SCM_RECORD_POSITIONS_P
? scm_lreadrecparen (tok_buf, port, s_list, copy)
- : scm_lreadparen (tok_buf, port, s_list, copy);
+ : scm_i_lreadparen (tok_buf, port, s_list, copy, ')');
case ')':
- SCM_MISC_ERROR ("unexpected \")\"", SCM_EOL);
+ scm_input_error (FUNC_NAME, port,"unexpected \")\"", SCM_EOL);
goto tryagain;
+#if SCM_ENABLE_ELISP
+ case '[':
+ if (SCM_ELISP_VECTORS_P)
+ {
+ p = scm_i_lreadparen (tok_buf, port, s_vector, copy, ']');
+ return SCM_NULLP (p) ? scm_nullvect : scm_vector (p);
+ }
+ goto read_token;
+#endif
case '\'':
p = scm_sym_quote;
goto recquote;
/* Check for user-defined hash procedure first, to allow
overriding of builtin hash read syntaxes. */
SCM sharp = scm_get_hash_procedure (c);
- if (!SCM_FALSEP (sharp))
+ if (scm_is_true (sharp))
{
int line = SCM_LINUM (port);
int column = SCM_COL (port) - 2;
SCM got;
got = scm_call_2 (sharp, SCM_MAKE_CHAR (c), port);
- if (SCM_EQ_P (got, SCM_UNSPECIFIED))
- goto unkshrp;
+ if (scm_is_eq (got, SCM_UNSPECIFIED))
+ goto handle_sharp;
if (SCM_RECORD_POSITIONS_P)
return *copy = recsexpr (got, line, column,
SCM_FILENAME (port));
return got;
}
}
+ handle_sharp:
switch (c)
{
case '(':
- p = scm_lreadparen (tok_buf, port, "vector", copy);
+ p = scm_i_lreadparen (tok_buf, port, s_vector, copy, ')');
return SCM_NULLP (p) ? scm_nullvect : scm_vector (p);
case 't':
c = scm_flush_ws (port, (char *)NULL);
goto tryagain_no_flush_ws;
-#ifdef HAVE_ARRAYS
+#if SCM_HAVE_ARRAYS
case '*':
j = scm_read_token (c, tok_buf, port, 0);
- p = scm_istr2bve (SCM_STRING_CHARS (*tok_buf) + 1, (long) (j - 1));
- if (!SCM_FALSEP (p))
+ p = scm_istr2bve (SCM_I_STRING_CHARS (*tok_buf) + 1, (long) (j - 1));
+ if (scm_is_true (p))
return p;
else
goto unkshrp;
case '{':
j = scm_read_token (c, tok_buf, port, 1);
- return scm_mem2symbol (SCM_STRING_CHARS (*tok_buf), j);
+ return scm_mem2symbol (SCM_I_STRING_CHARS (*tok_buf), j);
case '\\':
c = scm_getc (port);
return SCM_MAKE_CHAR (c);
if (c >= '0' && c < '8')
{
- p = scm_istr2int (SCM_STRING_CHARS (*tok_buf), (long) j, 8);
- if (!SCM_FALSEP (p))
- return SCM_MAKE_CHAR (SCM_INUM (p));
+ /* Dirk:FIXME:: This type of character syntax is not R5RS
+ * compliant. Further, it should be verified that the constant
+ * does only consist of octal digits. Finally, it should be
+ * checked whether the resulting fixnum is in the range of
+ * characters. */
+ p = scm_i_mem2number (SCM_I_STRING_CHARS (*tok_buf), j, 8);
+ if (SCM_I_INUMP (p))
+ return SCM_MAKE_CHAR (SCM_I_INUM (p));
}
for (c = 0; c < scm_n_charnames; c++)
if (scm_charnames[c]
- && (scm_casei_streq (scm_charnames[c], SCM_STRING_CHARS (*tok_buf))))
+ && (scm_casei_streq (scm_charnames[c], SCM_I_STRING_CHARS (*tok_buf))))
return SCM_MAKE_CHAR (scm_charnums[c]);
- SCM_MISC_ERROR ("unknown # object", SCM_EOL);
+ scm_input_error (FUNC_NAME, port, "unknown # object", SCM_EOL);
/* #:SYMBOL is a syntax for keywords supported in all contexts. */
case ':':
j = scm_read_token ('-', tok_buf, port, 0);
- p = scm_mem2symbol (SCM_STRING_CHARS (*tok_buf), j);
+ p = scm_mem2symbol (SCM_I_STRING_CHARS (*tok_buf), j);
return scm_make_keyword_from_dash_symbol (p);
default:
{
SCM sharp = scm_get_hash_procedure (c);
- if (!SCM_FALSEP (sharp))
+ if (scm_is_true (sharp))
{
int line = SCM_LINUM (port);
int column = SCM_COL (port) - 2;
SCM got;
got = scm_call_2 (sharp, SCM_MAKE_CHAR (c), port);
- if (SCM_EQ_P (got, SCM_UNSPECIFIED))
+ if (scm_is_eq (got, SCM_UNSPECIFIED))
goto unkshrp;
if (SCM_RECORD_POSITIONS_P)
return *copy = recsexpr (got, line, column,
}
}
unkshrp:
- scm_misc_error (s_scm_read, "Unknown # object: ~S",
- SCM_LIST1 (SCM_MAKE_CHAR (c)));
+ scm_input_error (FUNC_NAME, port, "Unknown # object: ~S",
+ scm_list_1 (SCM_MAKE_CHAR (c)));
}
case '"':
while ('"' != (c = scm_getc (port)))
{
if (c == EOF)
- SCM_MISC_ERROR ("end of file in string constant", SCM_EOL);
+ str_eof: scm_input_error (FUNC_NAME, port, "end of file in string constant", SCM_EOL);
- while (j + 2 >= SCM_STRING_LENGTH (*tok_buf))
+ while (j + 2 >= SCM_I_STRING_LENGTH (*tok_buf))
scm_grow_tok_buf (tok_buf);
if (c == '\\')
switch (c = scm_getc (port))
{
+ case EOF:
+ goto str_eof;
+ case '"':
+ case '\\':
+ break;
+#if SCM_ENABLE_ELISP
+ case '(':
+ case ')':
+ if (SCM_ESCAPED_PARENS_P)
+ break;
+ goto bad_escaped;
+#endif
case '\n':
continue;
case '0':
case 'v':
c = '\v';
break;
+ case 'x':
+ {
+ int a, b;
+ a = scm_getc (port);
+ if (a == EOF) goto str_eof;
+ b = scm_getc (port);
+ if (b == EOF) goto str_eof;
+ if ('0' <= a && a <= '9') a -= '0';
+ else if ('A' <= a && a <= 'F') a = a - 'A' + 10;
+ else if ('a' <= a && a <= 'f') a = a - 'a' + 10;
+ else goto bad_escaped;
+ if ('0' <= b && b <= '9') b -= '0';
+ else if ('A' <= b && b <= 'F') b = b - 'A' + 10;
+ else if ('a' <= b && b <= 'f') b = b - 'a' + 10;
+ else goto bad_escaped;
+ c = a * 16 + b;
+ break;
+ }
+ default:
+ bad_escaped:
+ scm_input_error(FUNC_NAME, port,
+ "illegal character in escape sequence: ~S",
+ scm_list_1 (SCM_MAKE_CHAR (c)));
}
- SCM_STRING_CHARS (*tok_buf)[j] = c;
+ SCM_I_STRING_CHARS (*tok_buf)[j] = c;
++j;
}
if (j == 0)
return scm_nullstr;
- SCM_STRING_CHARS (*tok_buf)[j] = 0;
- return scm_mem2string (SCM_STRING_CHARS (*tok_buf), j);
+ SCM_I_STRING_CHARS (*tok_buf)[j] = 0;
+ return scm_mem2string (SCM_I_STRING_CHARS (*tok_buf), j);
- case'0':case '1':case '2':case '3':case '4':
- case '5':case '6':case '7':case '8':case '9':
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
case '.':
case '-':
case '+':
num:
- j = scm_read_token (c, tok_buf, port, 0);
- p = scm_istring2number (SCM_STRING_CHARS (*tok_buf), (long) j, 10L);
- if (!SCM_FALSEP (p))
- return p;
- if (c == '#')
- {
- if ((j == 2) && (scm_getc (port) == '('))
- {
- scm_ungetc ('(', port);
- c = SCM_STRING_CHARS (*tok_buf)[1];
- goto callshrp;
- }
- SCM_MISC_ERROR ("unknown # object", SCM_EOL);
- }
- goto tok;
+ j = scm_read_token (c, tok_buf, port, 0);
+ if (j == 1 && (c == '+' || c == '-'))
+ /* Shortcut: Detected symbol '+ or '- */
+ goto tok;
+
+ p = scm_i_mem2number (SCM_I_STRING_CHARS (*tok_buf), j, 10);
+ if (scm_is_true (p))
+ return p;
+ if (c == '#')
+ {
+ if ((j == 2) && (scm_getc (port) == '('))
+ {
+ scm_ungetc ('(', port);
+ c = SCM_I_STRING_CHARS (*tok_buf)[1];
+ goto callshrp;
+ }
+ scm_input_error (FUNC_NAME, port, "unknown # object", SCM_EOL);
+ }
+ goto tok;
case ':':
- if (SCM_EQ_P (SCM_PACK (SCM_KEYWORD_STYLE), scm_keyword_prefix))
+ if (scm_is_eq (SCM_PACK (SCM_KEYWORD_STYLE), scm_keyword_prefix))
{
j = scm_read_token ('-', tok_buf, port, 0);
- p = scm_mem2symbol (SCM_STRING_CHARS (*tok_buf), j);
+ p = scm_mem2symbol (SCM_I_STRING_CHARS (*tok_buf), j);
return scm_make_keyword_from_dash_symbol (p);
}
/* fallthrough */
default:
+#if SCM_ENABLE_ELISP
+ read_token:
+#endif
j = scm_read_token (c, tok_buf, port, 0);
/* fallthrough */
tok:
- return scm_mem2symbol (SCM_STRING_CHARS (*tok_buf), j);
+ return scm_mem2symbol (SCM_I_STRING_CHARS (*tok_buf), j);
}
}
#undef FUNC_NAME
register int c;
register char *p;
- c = (SCM_CASE_INSENSITIVE_P ? scm_downcase(ic) : ic);
- p = SCM_STRING_CHARS (*tok_buf);
+ c = (SCM_CASE_INSENSITIVE_P ? scm_c_downcase(ic) : ic);
+ p = SCM_I_STRING_CHARS (*tok_buf);
if (weird)
j = 0;
else
{
j = 0;
- while (j + 2 >= SCM_STRING_LENGTH (*tok_buf))
+ while (j + 2 >= SCM_I_STRING_LENGTH (*tok_buf))
p = scm_grow_tok_buf (tok_buf);
p[j] = c;
++j;
while (1)
{
- while (j + 2 >= SCM_STRING_LENGTH (*tok_buf))
+ while (j + 2 >= SCM_I_STRING_LENGTH (*tok_buf))
p = scm_grow_tok_buf (tok_buf);
c = scm_getc (port);
switch (c)
{
case '(':
case ')':
+#if SCM_ENABLE_ELISP
+ case '[':
+ case ']':
+#endif
case '"':
case ';':
case SCM_WHITE_SPACES:
case SCM_LINE_INCREMENTORS:
- if (weird)
+ if (weird
+#if SCM_ENABLE_ELISP
+ || ((!SCM_ELISP_VECTORS_P) && ((c == '[') || (c == ']')))
+#endif
+ )
goto default_case;
scm_ungetc (c, port);
default:
default_case:
{
- c = (SCM_CASE_INSENSITIVE_P ? scm_downcase(c) : c);
+ c = (SCM_CASE_INSENSITIVE_P ? scm_c_downcase(c) : c);
p[j] = c;
++j;
}
_Pragma ("opt"); /* # pragma _CRI opt */
#endif
-SCM
-scm_lreadparen (SCM *tok_buf, SCM port, char *name, SCM *copy)
-#define FUNC_NAME "scm_lreadparen"
+static SCM
+scm_i_lreadparen (SCM *tok_buf, SCM port, char *name, SCM *copy, char term_char)
+#define FUNC_NAME "scm_i_lreadparen"
{
SCM tmp;
SCM tl;
int c;
c = scm_flush_ws (port, name);
- if (')' == c)
+ if (term_char == c)
return SCM_EOL;
scm_ungetc (c, port);
- if (SCM_EQ_P (scm_sym_dot, (tmp = scm_lreadr (tok_buf, port, copy))))
+ if (scm_is_eq (scm_sym_dot, (tmp = scm_lreadr (tok_buf, port, copy))))
{
ans = scm_lreadr (tok_buf, port, copy);
closeit:
- if (')' != (c = scm_flush_ws (port, name)))
- SCM_MISC_ERROR ("missing close paren", SCM_EOL);
+ if (term_char != (c = scm_flush_ws (port, name)))
+ scm_input_error (FUNC_NAME, port, "missing close paren", SCM_EOL);
return ans;
}
ans = tl = scm_cons (tmp, SCM_EOL);
- while (')' != (c = scm_flush_ws (port, name)))
+ while (term_char != (c = scm_flush_ws (port, name)))
{
scm_ungetc (c, port);
- if (SCM_EQ_P (scm_sym_dot, (tmp = scm_lreadr (tok_buf, port, copy))))
+ if (scm_is_eq (scm_sym_dot, (tmp = scm_lreadr (tok_buf, port, copy))))
{
SCM_SETCDR (tl, scm_lreadr (tok_buf, port, copy));
goto closeit;
if (')' == c)
return SCM_EOL;
scm_ungetc (c, port);
- if (SCM_EQ_P (scm_sym_dot, (tmp = scm_lreadr (tok_buf, port, copy))))
+ if (scm_is_eq (scm_sym_dot, (tmp = scm_lreadr (tok_buf, port, copy))))
{
ans = scm_lreadr (tok_buf, port, copy);
if (')' != (c = scm_flush_ws (port, name)))
- SCM_MISC_ERROR ("missing close paren", SCM_EOL);
+ scm_input_error (FUNC_NAME, port, "missing close paren", SCM_EOL);
return ans;
}
/* Build the head of the list structure. */
SCM new_tail;
scm_ungetc (c, port);
- if (SCM_EQ_P (scm_sym_dot, (tmp = scm_lreadr (tok_buf, port, copy))))
+ if (scm_is_eq (scm_sym_dot, (tmp = scm_lreadr (tok_buf, port, copy))))
{
SCM_SETCDR (tl, tmp = scm_lreadr (tok_buf, port, copy));
if (SCM_COPY_SOURCE_P)
: tmp,
SCM_EOL));
if (')' != (c = scm_flush_ws (port, name)))
- SCM_MISC_ERROR ("missing close paren", SCM_EOL);
+ scm_input_error (FUNC_NAME, port, "missing close paren", SCM_EOL);
goto exit;
}
SCM prev;
SCM_VALIDATE_CHAR (1, chr);
- SCM_ASSERT (SCM_FALSEP (proc)
- || SCM_EQ_P (scm_procedure_p (proc), SCM_BOOL_T),
+ SCM_ASSERT (scm_is_false (proc)
+ || scm_is_eq (scm_procedure_p (proc), SCM_BOOL_T),
proc, SCM_ARG2, FUNC_NAME);
/* Check if chr is already in the alist. */
if (SCM_NULLP (this))
{
/* not found, so add it to the beginning. */
- if (!SCM_FALSEP (proc))
+ if (scm_is_true (proc))
{
*scm_read_hash_procedures =
scm_cons (scm_cons (chr, proc), *scm_read_hash_procedures);
}
break;
}
- if (SCM_EQ_P (chr, SCM_CAAR (this)))
+ if (scm_is_eq (chr, SCM_CAAR (this)))
{
/* already in the alist. */
- if (SCM_FALSEP (proc))
+ if (scm_is_false (proc))
{
/* remove it. */
- if (SCM_FALSEP (prev))
+ if (scm_is_false (prev))
{
*scm_read_hash_procedures =
SCM_CDR (*scm_read_hash_procedures);
SCM_VARIABLE_LOC (scm_c_define ("read-hash-procedures", SCM_EOL));
scm_init_opts (scm_read_options, scm_read_opts, SCM_N_READ_OPTIONS);
-#ifndef SCM_MAGIC_SNARFER
#include "libguile/read.x"
-#endif
}
/*