1 /* TUI display source window. 2 3 Copyright (C) 1998-2023 Free Software Foundation, Inc. 4 5 Contributed by Hewlett-Packard Company. 6 7 This file is part of GDB. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 21 22 #ifndef TUI_TUI_SOURCE_H 23 #define TUI_TUI_SOURCE_H 24 25 #include "tui/tui-data.h" 26 #include "tui-winsource.h" 27 28 struct symtab; 29 30 /* A TUI source window. */ 31 32 struct tui_source_window : public tui_source_window_base 33 { 34 tui_source_window () = default; 35 36 DISABLE_COPY_AND_ASSIGN (tui_source_window); 37 38 const char *name () const override 39 { 40 return SRC_NAME; 41 } 42 43 /* Return true if the location LOC corresponds to the line number 44 LINE_NO in this source window; false otherwise. */ 45 bool location_matches_p (struct bp_location *loc, int line_no) override; 46 47 bool showing_source_p (const char *filename) const; 48 49 void maybe_update (frame_info_ptr fi, symtab_and_line sal) override; 50 51 void erase_source_content () override 52 { 53 do_erase_source_content (_("[ No Source Available ]")); 54 } 55 56 void display_start_addr (struct gdbarch **gdbarch_p, 57 CORE_ADDR *addr_p) override; 58 59 protected: 60 61 void do_scroll_vertical (int num_to_scroll) override; 62 63 bool set_contents (struct gdbarch *gdbarch, 64 const struct symtab_and_line &sal) override; 65 66 int extra_margin () const override 67 { 68 return m_digits; 69 } 70 71 void show_line_number (int lineno) const override; 72 73 private: 74 75 /* Answer whether a particular line number or address is displayed 76 in the current source window. */ 77 bool line_is_displayed (int line) const; 78 79 /* How many digits to use when formatting the line number. This 80 includes the trailing space. */ 81 int m_digits; 82 83 /* It is the resolved form as returned by symtab_to_fullname. */ 84 gdb::unique_xmalloc_ptr<char> m_fullname; 85 }; 86 87 #endif /* TUI_TUI_SOURCE_H */ 88