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authorsomov <somov@yandex-team.ru>2022-02-10 16:45:47 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:47 +0300
commita5950576e397b1909261050b8c7da16db58f10b1 (patch)
tree7ba7677f6a4c3e19e2cefab34d16df2c8963b4d4 /contrib/tools/yasm/libyasm/errwarn.h
parent81eddc8c0b55990194e112b02d127b87d54164a9 (diff)
downloadydb-a5950576e397b1909261050b8c7da16db58f10b1.tar.gz
Restoring authorship annotation for <somov@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/tools/yasm/libyasm/errwarn.h')
-rw-r--r--contrib/tools/yasm/libyasm/errwarn.h696
1 files changed, 348 insertions, 348 deletions
diff --git a/contrib/tools/yasm/libyasm/errwarn.h b/contrib/tools/yasm/libyasm/errwarn.h
index f8e4f10ec3..4333528ce8 100644
--- a/contrib/tools/yasm/libyasm/errwarn.h
+++ b/contrib/tools/yasm/libyasm/errwarn.h
@@ -1,351 +1,351 @@
-/**
- * \file libyasm/errwarn.h
- * \brief YASM error and warning reporting interface.
- *
- * \license
- * Copyright (C) 2001-2007 Peter Johnson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- * \endlicense
- */
-#ifndef YASM_ERRWARN_H
-#define YASM_ERRWARN_H
-
-#ifndef YASM_LIB_DECL
-#define YASM_LIB_DECL
-#endif
-
-/** Warning classes (that may be enabled/disabled). */
-typedef enum yasm_warn_class {
- YASM_WARN_NONE = 0, /**< No warning */
- YASM_WARN_GENERAL, /**< Non-specific warnings */
- YASM_WARN_UNREC_CHAR, /**< Unrecognized characters (while tokenizing) */
- YASM_WARN_PREPROC, /**< Preprocessor warnings */
- YASM_WARN_ORPHAN_LABEL, /**< Label alone on a line without a colon */
- YASM_WARN_UNINIT_CONTENTS, /**< Uninitialized space in code/data section */
- YASM_WARN_SIZE_OVERRIDE,/**< Double size override */
- YASM_WARN_IMPLICIT_SIZE_OVERRIDE /**< Implicit size override */
-} yasm_warn_class;
-
-/** Error classes. Bitmask-based to support limited subclassing. */
-typedef enum yasm_error_class {
- YASM_ERROR_NONE = 0x0000, /**< No error */
- YASM_ERROR_GENERAL = 0xFFFF, /**< Non-specific */
- YASM_ERROR_ARITHMETIC = 0x0001, /**< Arithmetic error (general) */
- YASM_ERROR_OVERFLOW = 0x8001, /**< Arithmetic overflow */
- YASM_ERROR_FLOATING_POINT = 0x4001, /**< Floating point error */
- YASM_ERROR_ZERO_DIVISION = 0x2001, /**< Divide-by-zero */
- YASM_ERROR_ASSERTION = 0x0002, /**< Assertion error */
- YASM_ERROR_VALUE = 0x0004, /**< Value inappropriate
- * (e.g. not in range) */
- YASM_ERROR_NOT_ABSOLUTE = 0x8004, /**< Absolute expression required */
- YASM_ERROR_TOO_COMPLEX = 0x4004, /**< Expression too complex */
- YASM_ERROR_NOT_CONSTANT = 0x2004, /**< Constant expression required */
- YASM_ERROR_IO = 0x0008, /**< I/O error */
- YASM_ERROR_NOT_IMPLEMENTED = 0x0010, /**< Not implemented error */
- YASM_ERROR_TYPE = 0x0020, /**< Type error */
- YASM_ERROR_SYNTAX = 0x0040, /**< Syntax error */
- YASM_ERROR_PARSE = 0x8040 /**< Parser error */
-} yasm_error_class;
-
-/** Initialize any internal data structures. */
-YASM_LIB_DECL
-void yasm_errwarn_initialize(void);
-
-/** Clean up any memory allocated by yasm_errwarn_initialize() or other
- * functions.
- */
-YASM_LIB_DECL
-void yasm_errwarn_cleanup(void);
-
-/** Reporting point of internal errors. These are usually due to sanity
- * check failures in the code.
- * \warning This function must NOT return to calling code; exit or longjmp
- * instead.
- * \param file source file (ala __FILE__)
- * \param line source line (ala __LINE__)
- * \param message internal error message
- */
-YASM_LIB_DECL
-extern /*@exits@*/ void (*yasm_internal_error_)
- (const char *file, unsigned int line, const char *message);
-
-/** Easily-callable version of yasm_internal_error_(). Automatically uses
- * __FILE__ and __LINE__ as the file and line.
- * \param message internal error message
- */
-#define yasm_internal_error(message) \
- yasm_internal_error_(__FILE__, __LINE__, message)
-
-/** Reporting point of fatal errors.
- * \warning This function must NOT return to calling code; exit or longjmp
- * instead.
- * \param message fatal error message
- * \param va va_list argument list for message
- */
-YASM_LIB_DECL
-extern /*@exits@*/ void (*yasm_fatal) (const char *message, va_list va);
-
-/** Reporting point of fatal errors, with variable arguments (internal only).
- * \warning This function calls #yasm_fatal, and thus does not return to the
- * calling code.
- * \param message fatal error message
- * \param ... argument list for message
- */
-YASM_LIB_DECL
-/*@exits@*/ void yasm__fatal(const char *message, ...);
-
+/**
+ * \file libyasm/errwarn.h
+ * \brief YASM error and warning reporting interface.
+ *
+ * \license
+ * Copyright (C) 2001-2007 Peter Johnson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * \endlicense
+ */
+#ifndef YASM_ERRWARN_H
+#define YASM_ERRWARN_H
+
+#ifndef YASM_LIB_DECL
+#define YASM_LIB_DECL
+#endif
+
+/** Warning classes (that may be enabled/disabled). */
+typedef enum yasm_warn_class {
+ YASM_WARN_NONE = 0, /**< No warning */
+ YASM_WARN_GENERAL, /**< Non-specific warnings */
+ YASM_WARN_UNREC_CHAR, /**< Unrecognized characters (while tokenizing) */
+ YASM_WARN_PREPROC, /**< Preprocessor warnings */
+ YASM_WARN_ORPHAN_LABEL, /**< Label alone on a line without a colon */
+ YASM_WARN_UNINIT_CONTENTS, /**< Uninitialized space in code/data section */
+ YASM_WARN_SIZE_OVERRIDE,/**< Double size override */
+ YASM_WARN_IMPLICIT_SIZE_OVERRIDE /**< Implicit size override */
+} yasm_warn_class;
+
+/** Error classes. Bitmask-based to support limited subclassing. */
+typedef enum yasm_error_class {
+ YASM_ERROR_NONE = 0x0000, /**< No error */
+ YASM_ERROR_GENERAL = 0xFFFF, /**< Non-specific */
+ YASM_ERROR_ARITHMETIC = 0x0001, /**< Arithmetic error (general) */
+ YASM_ERROR_OVERFLOW = 0x8001, /**< Arithmetic overflow */
+ YASM_ERROR_FLOATING_POINT = 0x4001, /**< Floating point error */
+ YASM_ERROR_ZERO_DIVISION = 0x2001, /**< Divide-by-zero */
+ YASM_ERROR_ASSERTION = 0x0002, /**< Assertion error */
+ YASM_ERROR_VALUE = 0x0004, /**< Value inappropriate
+ * (e.g. not in range) */
+ YASM_ERROR_NOT_ABSOLUTE = 0x8004, /**< Absolute expression required */
+ YASM_ERROR_TOO_COMPLEX = 0x4004, /**< Expression too complex */
+ YASM_ERROR_NOT_CONSTANT = 0x2004, /**< Constant expression required */
+ YASM_ERROR_IO = 0x0008, /**< I/O error */
+ YASM_ERROR_NOT_IMPLEMENTED = 0x0010, /**< Not implemented error */
+ YASM_ERROR_TYPE = 0x0020, /**< Type error */
+ YASM_ERROR_SYNTAX = 0x0040, /**< Syntax error */
+ YASM_ERROR_PARSE = 0x8040 /**< Parser error */
+} yasm_error_class;
+
+/** Initialize any internal data structures. */
+YASM_LIB_DECL
+void yasm_errwarn_initialize(void);
+
+/** Clean up any memory allocated by yasm_errwarn_initialize() or other
+ * functions.
+ */
+YASM_LIB_DECL
+void yasm_errwarn_cleanup(void);
+
+/** Reporting point of internal errors. These are usually due to sanity
+ * check failures in the code.
+ * \warning This function must NOT return to calling code; exit or longjmp
+ * instead.
+ * \param file source file (ala __FILE__)
+ * \param line source line (ala __LINE__)
+ * \param message internal error message
+ */
+YASM_LIB_DECL
+extern /*@exits@*/ void (*yasm_internal_error_)
+ (const char *file, unsigned int line, const char *message);
+
+/** Easily-callable version of yasm_internal_error_(). Automatically uses
+ * __FILE__ and __LINE__ as the file and line.
+ * \param message internal error message
+ */
+#define yasm_internal_error(message) \
+ yasm_internal_error_(__FILE__, __LINE__, message)
+
+/** Reporting point of fatal errors.
+ * \warning This function must NOT return to calling code; exit or longjmp
+ * instead.
+ * \param message fatal error message
+ * \param va va_list argument list for message
+ */
+YASM_LIB_DECL
+extern /*@exits@*/ void (*yasm_fatal) (const char *message, va_list va);
+
+/** Reporting point of fatal errors, with variable arguments (internal only).
+ * \warning This function calls #yasm_fatal, and thus does not return to the
+ * calling code.
+ * \param message fatal error message
+ * \param ... argument list for message
+ */
+YASM_LIB_DECL
+/*@exits@*/ void yasm__fatal(const char *message, ...);
+
YASM_LIB_DECL
/*@exits@*/ void yasm__fatal_missing_input_file(const char *message, const char *filename);
-/** Unconditionally clear the error indicator, freeing any associated data.
- * Has no effect if the error indicator is not set.
- */
-YASM_LIB_DECL
-void yasm_error_clear(void);
-
-/** Get the error indicator. YASM_ERROR_NONE is returned if no error has
- * been set. Note that as YASM_ERROR_NONE is 0, the return value can also
- * be treated as a boolean value.
- * \return Current error indicator.
- */
-yasm_error_class yasm_error_occurred(void);
-
-/** Check the error indicator against an error class. To check if any error
- * has been set, check against the YASM_ERROR_GENERAL class. This function
- * properly checks error subclasses.
- * \param eclass base error class to check against
- * \return Nonzero if error indicator is set and a subclass of eclass, 0
- * otherwise.
- */
-YASM_LIB_DECL
-int yasm_error_matches(yasm_error_class eclass);
-
-#ifndef YASM_DOXYGEN
-YASM_LIB_DECL
-extern yasm_error_class yasm_eclass;
-#define yasm_error_occurred() yasm_eclass
-#endif
-
-/** Set the error indicator (va_list version). Has no effect if the error
- * indicator is already set.
- * \param eclass error class
- * \param format printf format string
- * \param va argument list for format
- */
-YASM_LIB_DECL
-void yasm_error_set_va(yasm_error_class eclass, const char *format, va_list va);
-
-/** Set the error indicator. Has no effect if the error indicator is already
- * set.
- * \param eclass error class
- * \param format printf format string
- * \param ... argument list for format
- */
-YASM_LIB_DECL
-void yasm_error_set(yasm_error_class eclass, const char *format, ...)
- /*@printflike@*/;
-
-/** Set a cross-reference for a new error (va_list version). Has no effect
- * if the error indicator is already set (e.g. with yasm_error_set()). This
- * function must be called prior to its corresponding yasm_error_set() call.
- * \param xrefline virtual line to cross-reference to (should not be 0)
- * \param format printf format string
- * \param va argument list for format
- */
-YASM_LIB_DECL
-void yasm_error_set_xref_va(unsigned long xrefline, const char *format,
- va_list va);
-
-/** Set a cross-reference for a new error. Has no effect if the error
- * indicator is already set (e.g. with yasm_error_set()). This function
- * must be called prior to its corresponding yasm_error_set() call.
- * \param xrefline virtual line to cross-reference to (should not be 0)
- * \param format printf format string
- * \param ... argument list for format
- */
-YASM_LIB_DECL
-void yasm_error_set_xref(unsigned long xrefline, const char *format, ...)
- /*@printflike@*/;
-
-/** Fetch the error indicator and all associated data. If the error
- * indicator is set, the output pointers are set to the current error
- * indicator values, and the error indicator is cleared.
- * The code using this function is then responsible for yasm_xfree()'ing
- * str and xrefstr (if non-NULL). If the error indicator is not set,
- * all output values are set to 0 (including eclass, which is set to
- * YASM_ERROR_NONE).
- * \param eclass error class (output)
- * \param str error message
- * \param xrefline virtual line used for cross-referencing (0 if no xref)
- * \param xrefstr cross-reference error message (NULL if no xref)
- */
-YASM_LIB_DECL
-void yasm_error_fetch(/*@out@*/ yasm_error_class *eclass,
- /*@out@*/ /*@only@*/ /*@null@*/ char **str,
- /*@out@*/ unsigned long *xrefline,
- /*@out@*/ /*@only@*/ /*@null@*/ char **xrefstr);
-
-/** Unconditionally clear all warning indicators, freeing any associated data.
- * Has no effect if no warning indicators have been set.
- */
-YASM_LIB_DECL
-void yasm_warn_clear(void);
-
-/** Get the first warning indicator. YASM_WARN_NONE is returned if no warning
- * has been set. Note that as YASM_WARN_NONE is 0, the return value can also
- * be treated as a boolean value.
- * \return First warning indicator.
- */
-YASM_LIB_DECL
-yasm_warn_class yasm_warn_occurred(void);
-
-/** Add a warning indicator (va_list version).
- * \param wclass warning class
- * \param format printf format string
- * \param va argument list for format
- */
-YASM_LIB_DECL
-void yasm_warn_set_va(yasm_warn_class wclass, const char *format, va_list va);
-
-/** Add a warning indicator.
- * \param wclass warning class
- * \param format printf format string
- * \param ... argument list for format
- */
-YASM_LIB_DECL
-void yasm_warn_set(yasm_warn_class wclass, const char *format, ...)
- /*@printflike@*/;
-
-/** Fetch the first warning indicator and all associated data. If there
- * is at least one warning indicator, the output pointers are set to the
- * first warning indicator values, and first warning indicator is removed.
- * The code using this function is then responsible for yasm_xfree()'ing
- * str and xrefstr (if non-NULL). If there is no warning indicator set,
- * all output values are set to 0 (including wclass, which is set to
- * YASM_WARN_NONE).
- * \param wclass warning class (output)
- * \param str warning message
- */
-YASM_LIB_DECL
-void yasm_warn_fetch(/*@out@*/ yasm_warn_class *wclass,
- /*@out@*/ /*@only@*/ char **str);
-
-/** Enable a class of warnings.
- * \param wclass warning class
- */
-YASM_LIB_DECL
-void yasm_warn_enable(yasm_warn_class wclass);
-
-/** Disable a class of warnings.
- * \param wclass warning class
- */
-YASM_LIB_DECL
-void yasm_warn_disable(yasm_warn_class wclass);
-
-/** Disable all classes of warnings. */
-YASM_LIB_DECL
-void yasm_warn_disable_all(void);
-
-/** Create an error/warning set for collection of multiple error/warnings.
- * \return Newly allocated set.
- */
-YASM_LIB_DECL
-/*@only@*/ yasm_errwarns *yasm_errwarns_create(void);
-
-/** Destroy an error/warning set.
- * \param errwarns error/warning set
- */
-YASM_LIB_DECL
-void yasm_errwarns_destroy(/*@only@*/ yasm_errwarns *errwarns);
-
-/** Propagate error indicator and warning indicator(s) to an error/warning set.
- * Has no effect if the error indicator and warning indicator are not set.
- * Does not print immediately; yasm_errwarn_output_all() outputs
- * accumulated errors and warnings.
- * Generally multiple errors on the same line will be reported, but errors
- * of class YASM_ERROR_PARSE will get overwritten by any other class on the
- * same line.
- * \param errwarns error/warning set
- * \param line virtual line
- */
-YASM_LIB_DECL
-void yasm_errwarn_propagate(yasm_errwarns *errwarns, unsigned long line);
-
-/** Get total number of errors logged.
- * \param errwarns error/warning set
- * \param warning_as_error if nonzero, warnings are treated as errors.
- * \return Number of errors.
- */
-YASM_LIB_DECL
-unsigned int yasm_errwarns_num_errors(yasm_errwarns *errwarns,
- int warning_as_error);
-
-/** Print out an error.
- * \param fn filename of source file
- * \param line line number
- * \param msg error message
- * \param xref_fn cross-referenced source filename
- * \param xref_line cross-referenced line number
- * \param xref_msg cross-referenced error message
- */
-typedef void (*yasm_print_error_func)
- (const char *fn, unsigned long line, const char *msg,
- /*@null@*/ const char *xref_fn, unsigned long xref_line,
- /*@null@*/ const char *xref_msg);
-
-/** Print out a warning.
- * \param fn filename of source file
- * \param line line number
- * \param msg warning message
- */
-typedef void (*yasm_print_warning_func)
- (const char *fn, unsigned long line, const char *msg);
-
-/** Outputs error/warning set in sorted order (sorted by virtual line number).
- * \param errwarns error/warning set
- * \param lm line map (to convert virtual lines into filename/line pairs)
- * \param warning_as_error if nonzero, treat warnings as errors.
- * \param print_error function called to print out errors
- * \param print_warning function called to print out warnings
- */
-YASM_LIB_DECL
-void yasm_errwarns_output_all
- (yasm_errwarns *errwarns, yasm_linemap *lm, int warning_as_error,
- yasm_print_error_func print_error, yasm_print_warning_func print_warning);
-
-/** Convert a possibly unprintable character into a printable string.
- * \internal
- * \param ch possibly unprintable character
- * \return Printable string representation (static buffer).
- */
-YASM_LIB_DECL
-char *yasm__conv_unprint(int ch);
-
-/** Hook for library users to map to gettext() if GNU gettext is being used.
- * \param msgid message catalog identifier
- * \return Translated message.
- */
-YASM_LIB_DECL
-extern const char * (*yasm_gettext_hook) (const char *msgid);
-
-#endif
+/** Unconditionally clear the error indicator, freeing any associated data.
+ * Has no effect if the error indicator is not set.
+ */
+YASM_LIB_DECL
+void yasm_error_clear(void);
+
+/** Get the error indicator. YASM_ERROR_NONE is returned if no error has
+ * been set. Note that as YASM_ERROR_NONE is 0, the return value can also
+ * be treated as a boolean value.
+ * \return Current error indicator.
+ */
+yasm_error_class yasm_error_occurred(void);
+
+/** Check the error indicator against an error class. To check if any error
+ * has been set, check against the YASM_ERROR_GENERAL class. This function
+ * properly checks error subclasses.
+ * \param eclass base error class to check against
+ * \return Nonzero if error indicator is set and a subclass of eclass, 0
+ * otherwise.
+ */
+YASM_LIB_DECL
+int yasm_error_matches(yasm_error_class eclass);
+
+#ifndef YASM_DOXYGEN
+YASM_LIB_DECL
+extern yasm_error_class yasm_eclass;
+#define yasm_error_occurred() yasm_eclass
+#endif
+
+/** Set the error indicator (va_list version). Has no effect if the error
+ * indicator is already set.
+ * \param eclass error class
+ * \param format printf format string
+ * \param va argument list for format
+ */
+YASM_LIB_DECL
+void yasm_error_set_va(yasm_error_class eclass, const char *format, va_list va);
+
+/** Set the error indicator. Has no effect if the error indicator is already
+ * set.
+ * \param eclass error class
+ * \param format printf format string
+ * \param ... argument list for format
+ */
+YASM_LIB_DECL
+void yasm_error_set(yasm_error_class eclass, const char *format, ...)
+ /*@printflike@*/;
+
+/** Set a cross-reference for a new error (va_list version). Has no effect
+ * if the error indicator is already set (e.g. with yasm_error_set()). This
+ * function must be called prior to its corresponding yasm_error_set() call.
+ * \param xrefline virtual line to cross-reference to (should not be 0)
+ * \param format printf format string
+ * \param va argument list for format
+ */
+YASM_LIB_DECL
+void yasm_error_set_xref_va(unsigned long xrefline, const char *format,
+ va_list va);
+
+/** Set a cross-reference for a new error. Has no effect if the error
+ * indicator is already set (e.g. with yasm_error_set()). This function
+ * must be called prior to its corresponding yasm_error_set() call.
+ * \param xrefline virtual line to cross-reference to (should not be 0)
+ * \param format printf format string
+ * \param ... argument list for format
+ */
+YASM_LIB_DECL
+void yasm_error_set_xref(unsigned long xrefline, const char *format, ...)
+ /*@printflike@*/;
+
+/** Fetch the error indicator and all associated data. If the error
+ * indicator is set, the output pointers are set to the current error
+ * indicator values, and the error indicator is cleared.
+ * The code using this function is then responsible for yasm_xfree()'ing
+ * str and xrefstr (if non-NULL). If the error indicator is not set,
+ * all output values are set to 0 (including eclass, which is set to
+ * YASM_ERROR_NONE).
+ * \param eclass error class (output)
+ * \param str error message
+ * \param xrefline virtual line used for cross-referencing (0 if no xref)
+ * \param xrefstr cross-reference error message (NULL if no xref)
+ */
+YASM_LIB_DECL
+void yasm_error_fetch(/*@out@*/ yasm_error_class *eclass,
+ /*@out@*/ /*@only@*/ /*@null@*/ char **str,
+ /*@out@*/ unsigned long *xrefline,
+ /*@out@*/ /*@only@*/ /*@null@*/ char **xrefstr);
+
+/** Unconditionally clear all warning indicators, freeing any associated data.
+ * Has no effect if no warning indicators have been set.
+ */
+YASM_LIB_DECL
+void yasm_warn_clear(void);
+
+/** Get the first warning indicator. YASM_WARN_NONE is returned if no warning
+ * has been set. Note that as YASM_WARN_NONE is 0, the return value can also
+ * be treated as a boolean value.
+ * \return First warning indicator.
+ */
+YASM_LIB_DECL
+yasm_warn_class yasm_warn_occurred(void);
+
+/** Add a warning indicator (va_list version).
+ * \param wclass warning class
+ * \param format printf format string
+ * \param va argument list for format
+ */
+YASM_LIB_DECL
+void yasm_warn_set_va(yasm_warn_class wclass, const char *format, va_list va);
+
+/** Add a warning indicator.
+ * \param wclass warning class
+ * \param format printf format string
+ * \param ... argument list for format
+ */
+YASM_LIB_DECL
+void yasm_warn_set(yasm_warn_class wclass, const char *format, ...)
+ /*@printflike@*/;
+
+/** Fetch the first warning indicator and all associated data. If there
+ * is at least one warning indicator, the output pointers are set to the
+ * first warning indicator values, and first warning indicator is removed.
+ * The code using this function is then responsible for yasm_xfree()'ing
+ * str and xrefstr (if non-NULL). If there is no warning indicator set,
+ * all output values are set to 0 (including wclass, which is set to
+ * YASM_WARN_NONE).
+ * \param wclass warning class (output)
+ * \param str warning message
+ */
+YASM_LIB_DECL
+void yasm_warn_fetch(/*@out@*/ yasm_warn_class *wclass,
+ /*@out@*/ /*@only@*/ char **str);
+
+/** Enable a class of warnings.
+ * \param wclass warning class
+ */
+YASM_LIB_DECL
+void yasm_warn_enable(yasm_warn_class wclass);
+
+/** Disable a class of warnings.
+ * \param wclass warning class
+ */
+YASM_LIB_DECL
+void yasm_warn_disable(yasm_warn_class wclass);
+
+/** Disable all classes of warnings. */
+YASM_LIB_DECL
+void yasm_warn_disable_all(void);
+
+/** Create an error/warning set for collection of multiple error/warnings.
+ * \return Newly allocated set.
+ */
+YASM_LIB_DECL
+/*@only@*/ yasm_errwarns *yasm_errwarns_create(void);
+
+/** Destroy an error/warning set.
+ * \param errwarns error/warning set
+ */
+YASM_LIB_DECL
+void yasm_errwarns_destroy(/*@only@*/ yasm_errwarns *errwarns);
+
+/** Propagate error indicator and warning indicator(s) to an error/warning set.
+ * Has no effect if the error indicator and warning indicator are not set.
+ * Does not print immediately; yasm_errwarn_output_all() outputs
+ * accumulated errors and warnings.
+ * Generally multiple errors on the same line will be reported, but errors
+ * of class YASM_ERROR_PARSE will get overwritten by any other class on the
+ * same line.
+ * \param errwarns error/warning set
+ * \param line virtual line
+ */
+YASM_LIB_DECL
+void yasm_errwarn_propagate(yasm_errwarns *errwarns, unsigned long line);
+
+/** Get total number of errors logged.
+ * \param errwarns error/warning set
+ * \param warning_as_error if nonzero, warnings are treated as errors.
+ * \return Number of errors.
+ */
+YASM_LIB_DECL
+unsigned int yasm_errwarns_num_errors(yasm_errwarns *errwarns,
+ int warning_as_error);
+
+/** Print out an error.
+ * \param fn filename of source file
+ * \param line line number
+ * \param msg error message
+ * \param xref_fn cross-referenced source filename
+ * \param xref_line cross-referenced line number
+ * \param xref_msg cross-referenced error message
+ */
+typedef void (*yasm_print_error_func)
+ (const char *fn, unsigned long line, const char *msg,
+ /*@null@*/ const char *xref_fn, unsigned long xref_line,
+ /*@null@*/ const char *xref_msg);
+
+/** Print out a warning.
+ * \param fn filename of source file
+ * \param line line number
+ * \param msg warning message
+ */
+typedef void (*yasm_print_warning_func)
+ (const char *fn, unsigned long line, const char *msg);
+
+/** Outputs error/warning set in sorted order (sorted by virtual line number).
+ * \param errwarns error/warning set
+ * \param lm line map (to convert virtual lines into filename/line pairs)
+ * \param warning_as_error if nonzero, treat warnings as errors.
+ * \param print_error function called to print out errors
+ * \param print_warning function called to print out warnings
+ */
+YASM_LIB_DECL
+void yasm_errwarns_output_all
+ (yasm_errwarns *errwarns, yasm_linemap *lm, int warning_as_error,
+ yasm_print_error_func print_error, yasm_print_warning_func print_warning);
+
+/** Convert a possibly unprintable character into a printable string.
+ * \internal
+ * \param ch possibly unprintable character
+ * \return Printable string representation (static buffer).
+ */
+YASM_LIB_DECL
+char *yasm__conv_unprint(int ch);
+
+/** Hook for library users to map to gettext() if GNU gettext is being used.
+ * \param msgid message catalog identifier
+ * \return Translated message.
+ */
+YASM_LIB_DECL
+extern const char * (*yasm_gettext_hook) (const char *msgid);
+
+#endif