(sources_info): Replace use of no_symtab_msg with the string itself. * linespec.c (no_symtab_msg): Remove declaration. (decode_line_1): Replace uses of no_symtab_msg with the string itself.
* symtab.c (decode_line_1, total_number_of_methods, find_methods, build_command_line_spec, find_toplevel_char, decode_line_2): Move to linespec.c. * linespec.c: New file. Routines that handle linespecs, formerly in symtab.c. * symtab.h: Export find_line_symtab and find_function_start_sal, * Makefile.in: Add linespec.c.