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Diffstat (limited to 'libguile/error.h')
-rw-r--r-- | libguile/error.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/libguile/error.h b/libguile/error.h new file mode 100644 index 000000000..cd134e650 --- /dev/null +++ b/libguile/error.h @@ -0,0 +1,129 @@ +#ifndef SCM_ERROR_H +#define SCM_ERROR_H + +/* Copyright 1995-1998,2000-2002,2006,2008,2011,2014,2018 + Free Software Foundation, Inc. + + This file is part of Guile. + + Guile 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 3 of the License, or + (at your option) any later version. + + Guile 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. + + You should have received a copy of the GNU Lesser General Public + License along with Guile. If not, see + <https://www.gnu.org/licenses/>. */ + + + +#include "libguile/scm.h" + + +SCM_API SCM scm_system_error_key; +SCM_API SCM scm_num_overflow_key; +SCM_API SCM scm_out_of_range_key; +SCM_API SCM scm_args_number_key; +SCM_API SCM scm_arg_type_key; +SCM_API SCM scm_misc_error_key; + + + +/* Snarfing for docs may override SCM_ASSERT; see snarf.h. */ +#ifndef SCM_ASSERT +#define SCM_ASSERT(_cond, _arg, _pos, _subr) \ + do { if (SCM_UNLIKELY (!(_cond))) \ + scm_wrong_type_arg (_subr, _pos, _arg); } while (0) +#endif +#define SCM_ASSERT_TYPE(_cond, _arg, _pos, _subr, _msg) \ + do { if (SCM_UNLIKELY (!(_cond))) \ + scm_wrong_type_arg_msg(_subr, _pos, _arg, _msg); } while (0) + + + + +SCM_API void scm_error (SCM key, const char *subr, const char *message, + SCM args, SCM rest) SCM_NORETURN; +SCM_API SCM scm_error_scm (SCM key, SCM subr, SCM message, + SCM args, SCM rest) SCM_NORETURN; +SCM_API SCM scm_strerror (SCM err); +SCM_API void scm_syserror (const char *subr) SCM_NORETURN; +SCM_API void scm_syserror_msg (const char *subr, const char *message, + SCM args, int eno) SCM_NORETURN; +SCM_API void scm_num_overflow (const char *subr) SCM_NORETURN; +SCM_API void scm_out_of_range (const char *subr, SCM bad_value) + SCM_NORETURN; +SCM_API void scm_out_of_range_pos (const char *subr, SCM bad_value, SCM pos) + SCM_NORETURN; +SCM_API void scm_wrong_num_args (SCM proc) SCM_NORETURN; +SCM_API void scm_error_num_args_subr (const char* subr) SCM_NORETURN; +SCM_API void scm_wrong_type_arg (const char *subr, int pos, + SCM bad_value) SCM_NORETURN; +SCM_INTERNAL void scm_i_wrong_type_arg_symbol (SCM symbol, int pos, + SCM bad_value) SCM_NORETURN; +SCM_API void scm_wrong_type_arg_msg (const char *subr, int pos, + SCM bad_value, const char *sz) SCM_NORETURN; +SCM_API void scm_misc_error (const char *subr, const char *message, + SCM args) SCM_NORETURN; +SCM_INTERNAL void scm_init_error (void); + + + +#ifndef SCM_MAGIC_SNARFER +/* Let these macros pass through if + we are snarfing; thus we can tell the + difference between the use of an actual + number vs. the use of one of these macros -- + actual numbers in SCM_VALIDATE_* and SCM_ASSERT + constructs must match the formal argument name, + but using SCM_ARG* avoids the test */ + +#define SCM_ARGn 0 +#define SCM_ARG1 1 +#define SCM_ARG2 2 +#define SCM_ARG3 3 +#define SCM_ARG4 4 +#define SCM_ARG5 5 +#define SCM_ARG6 6 +#define SCM_ARG7 7 + +#endif /* SCM_MAGIC_SNARFER */ + + + +#define SCM_MAKE_VALIDATE(pos, var, pred) \ + do { \ + SCM_ASSERT_TYPE (SCM_ ## pred (var), var, pos, FUNC_NAME, #pred); \ + } while (0) + +#define SCM_I_MAKE_VALIDATE_MSG2(pos, var, pred, msg) \ + do { \ + SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \ + } while (0) + +#define SCM_MAKE_VALIDATE_MSG(pos, var, pred, msg) \ + SCM_I_MAKE_VALIDATE_MSG2 (pos, var, SCM_ ## pred, msg) + +#define SCM_SYSERROR do { scm_syserror (FUNC_NAME); } while (0) + +#define SCM_MEMORY_ERROR do { scm_memory_error (FUNC_NAME); } while (0) + +#define SCM_SYSERROR_MSG(str, args, val) \ + do { scm_syserror_msg (FUNC_NAME, (str), (args), (val)); } while (0) + +#define SCM_MISC_ERROR(str, args) \ + do { scm_misc_error (FUNC_NAME, str, args); } while (0) + +#define SCM_WRONG_NUM_ARGS() \ + do { scm_error_num_args_subr (FUNC_NAME); } while (0) + +#define SCM_WRONG_TYPE_ARG(pos, obj) \ + do { scm_wrong_type_arg (FUNC_NAME, pos, obj); } while (0) + + +#endif /* SCM_ERROR_H */ |