diff options
Diffstat (limited to 'contrib/gdb/gdb/source.h')
-rw-r--r-- | contrib/gdb/gdb/source.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/source.h b/contrib/gdb/gdb/source.h index 8dbf851..7cfed1a 100644 --- a/contrib/gdb/gdb/source.h +++ b/contrib/gdb/gdb/source.h @@ -21,6 +21,8 @@ #ifndef SOURCE_H #define SOURCE_H +struct symtab; + /* Open a source file given a symtab S. Returns a file descriptor or negative number for error. */ extern int open_source_file (struct symtab *s); @@ -31,4 +33,36 @@ extern int open_source_file (struct symtab *s); lines. */ extern void find_source_lines (struct symtab *s, int desc); +/* Return the first line listed by print_source_lines. + Used by command interpreters to request listing from + a previous point. */ +extern int get_first_line_listed (void); + +/* Return the default number of lines to print with commands like the + cli "list". The caller of print_source_lines must use this to + calculate the end line and use it in the call to print_source_lines + as it does not automatically use this value. */ +extern int get_lines_to_list (void); + +/* Return the current source file for listing and next line to list. + NOTE: The returned sal pc and end fields are not valid. */ +extern struct symtab_and_line get_current_source_symtab_and_line (void); + +/* If the current source file for listing is not set, try and get a default. + Usually called before get_current_source_symtab_and_line() is called. + It may err out if a default cannot be determined. + We must be cautious about where it is called, as it can recurse as the + process of determining a new default may call the caller! + Use get_current_source_symtab_and_line only to get whatever + we have without erroring out or trying to get a default. */ +extern void set_default_source_symtab_and_line (void); + +/* Return the current default file for listing and next line to list + (the returned sal pc and end fields are not valid.) + and set the current default to whatever is in SAL. + NOTE: The returned sal pc and end fields are not valid. */ +extern struct symtab_and_line set_current_source_symtab_and_line (const struct symtab_and_line *); + +/* Reset any information stored about a default file and line to print. */ +extern void clear_current_source_symtab_and_line (void); #endif |