123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
#ifndef RUBY_DEBUG_H
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#define RUBY_DEBUG_H
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/**********************************************************************
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vm_debug.h - YARV Debug function interface
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$Author$
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created at: 04/08/25 02:33:49 JST
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Copyright (C) 2004-2007 Koichi Sasada
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**********************************************************************/
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#include "ruby/ruby.h"
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RUBY_SYMBOL_EXPORT_BEGIN
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#define dpv(h,v) ruby_debug_print_value(-1, 0, (h), (v))
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#define dp(v) ruby_debug_print_value(-1, 0, "", (v))
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#define dpi(i) ruby_debug_print_id(-1, 0, "", (i))
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#define dpn(n) ruby_debug_print_node(-1, 0, "", (n))
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struct RNode;
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VALUE ruby_debug_print_value(int level, int debug_level, const char *header, VALUE v);
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ID ruby_debug_print_id(int level, int debug_level, const char *header, ID id);
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struct RNode *ruby_debug_print_node(int level, int debug_level, const char *header, const struct RNode *node);
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int ruby_debug_print_indent(int level, int debug_level, int indent_level);
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void ruby_debug_gc_check_func(void);
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void ruby_set_debug_option(const char *str);
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RUBY_SYMBOL_EXPORT_END
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#ifndef USE_RUBY_DEBUG_LOG
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#define USE_RUBY_DEBUG_LOG 0
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#endif
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/* RUBY_DEBUG_LOG: Logging debug information mechanism
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*
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* This feature provides a mechanism to store logging information
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* to a file, stderr or memory space with simple macros.
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*
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* The following information will be stored.
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* * (1) __FILE__, __LINE__ in C
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* * (2) __FILE__, __LINE__ in Ruby
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* * (3) __func__ in C (message title)
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* * (4) given string with sprintf format
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* * (5) Thread number (if multiple threads are running)
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*
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* This feature is enabled only USE_RUBY_DEBUG_LOG is enabled.
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* Release version should not enable it.
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*
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* Running with the `RUBY_DEBUG_LOG` environment variable enables
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* this feature.
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*
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* # logging into a file
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* RUBY_DEBUG_LOG=/path/to/file STDERR
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*
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* # logging into STDERR
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* RUBY_DEBUG_LOG=stderr
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*
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* # logging into memory space (check with a debugger)
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* # It will help if the timing is important.
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* RUBY_DEBUG_LOG=mem
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*
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* RUBY_DEBUG_LOG_FILTER environment variable can specify the filter string.
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* If "(3) __func__ in C (message title)" contains the specified string, the
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* information will be stored (example: RUBY_DEBUG_LOG_FILTER=str will enable
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* only on str related information).
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*
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* In a MRI source code, you can use the following macros:
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* * RUBY_DEBUG_LOG(fmt, ...): Above (1) to (4) will be logged.
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* * RUBY_DEBUG_LOG2(file, line, fmt, ...):
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* Same as RUBY_DEBUG_LOG(), but (1) will be replaced with given file, line.
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*/
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extern enum ruby_debug_log_mode {
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ruby_debug_log_disabled = 0x00,
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ruby_debug_log_memory = 0x01,
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ruby_debug_log_stderr = 0x02,
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ruby_debug_log_file = 0x04,
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} ruby_debug_log_mode;
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RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 4, 5)
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void ruby_debug_log(const char *file, int line, const char *func_name, const char *fmt, ...);
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void ruby_debug_log_print(unsigned int n);
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bool ruby_debug_log_filter(const char *func_name, const char *file_name);
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#if RBIMPL_COMPILER_IS(GCC) && defined(__OPTIMIZE__)
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# define ruby_debug_log(...) \
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RB_GNUC_EXTENSION_BLOCK( \
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RBIMPL_WARNING_PUSH(); \
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RBIMPL_WARNING_IGNORED(-Wformat-zero-length); \
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ruby_debug_log(__VA_ARGS__); \
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RBIMPL_WARNING_POP())
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#endif
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// convenient macro to log even if the USE_RUBY_DEBUG_LOG macro is not specified.
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// You can use this macro for temporary usage (you should not commit it).
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#define _RUBY_DEBUG_LOG(...) ruby_debug_log(__FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING, "" __VA_ARGS__)
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#if USE_RUBY_DEBUG_LOG
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# define RUBY_DEBUG_LOG_ENABLED(func_name, file_name) \
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(ruby_debug_log_mode && ruby_debug_log_filter(func_name, file_name))
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#define RUBY_DEBUG_LOG(...) do { \
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if (RUBY_DEBUG_LOG_ENABLED(RUBY_FUNCTION_NAME_STRING, __FILE__)) \
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ruby_debug_log(__FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING, "" __VA_ARGS__); \
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} while (0)
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#define RUBY_DEBUG_LOG2(file, line, ...) do { \
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if (RUBY_DEBUG_LOG_ENABLED(RUBY_FUNCTION_NAME_STRING, file)) \
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ruby_debug_log(file, line, RUBY_FUNCTION_NAME_STRING, "" __VA_ARGS__); \
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} while (0)
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#else // USE_RUBY_DEBUG_LOG
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// do nothing
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#define RUBY_DEBUG_LOG(...)
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#define RUBY_DEBUG_LOG2(file, line, ...)
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#endif // USE_RUBY_DEBUG_LOG
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#endif /* RUBY_DEBUG_H */
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