4coder/4coder_jump_parsing.cpp

450 lines
14 KiB
C++

#ifndef FCODER_JUMP_PARSING
#define FCODER_JUMP_PARSING
typedef struct Name_Based_Jump_Location{
String file;
int32_t line;
int32_t column;
} Name_Based_Jump_Location;
typedef struct ID_Based_Jump_Location{
int32_t buffer_id;
int32_t line;
int32_t column;
} ID_Based_Jump_Location;
static ID_Based_Jump_Location null_location = {0};
static void
jump_to_location(Application_Links *app, View_Summary *view, Name_Based_Jump_Location *l){
if (view_open_file(app, view, l->file.str, l->file.size, true)){
view_set_cursor(app, view, seek_line_char(l->line, l->column), true);
}
}
static int32_t
ms_style_verify(String line, int32_t paren_pos){
int32_t result = false;
String line_part = substr_tail(line, paren_pos);
if (match_part_sc(line_part, ") : ")){
result = true;
}
else if (match_part_sc(line_part, "): ")){
result = true;
}
return(result);
}
static int32_t
parse_jump_location(String line, Name_Based_Jump_Location *location,
int32_t skip_sub_errors, int32_t *colon_char){
int32_t result = false;
String original_line = line;
line = skip_chop_whitespace(line);
int32_t colon_pos = 0;
int32_t is_ms_style = 0;
int32_t paren_pos = find_s_char(line, 0, ')');
while (!is_ms_style && paren_pos < line.size){
if (ms_style_verify(line, paren_pos)){
is_ms_style = 1;
colon_pos = find_s_char(line, paren_pos, ':');
if (colon_pos < line.size){
String location_str = substr(line, 0, colon_pos);
if (!(skip_sub_errors && original_line.str[0] == ' ')){
location_str = skip_chop_whitespace(location_str);
int32_t close_pos = paren_pos;
int32_t open_pos = rfind_s_char(location_str, close_pos, '(');
if (0 < open_pos && open_pos < location_str.size){
String file = substr(location_str, 0, open_pos);
file = skip_chop_whitespace(file);
if (file.size > 0){
String line_number = substr(location_str,
open_pos+1,
close_pos-open_pos-1);
line_number = skip_chop_whitespace(line_number);
if (line_number.size > 0){
location->file = file;
int32_t comma_pos = find_s_char(line_number, 0, ',');
if (comma_pos < line_number.size){
int32_t start = comma_pos+1;
String column_number = substr(line_number, start, line_number.size-start);
line_number = substr(line_number, 0, comma_pos);
location->line = str_to_int_s(line_number);
location->column = str_to_int_s(column_number);
}
else{
location->line = str_to_int_s(line_number);
location->column = 1;
}
*colon_char = colon_pos;
result = true;
}
}
}
}
}
}
else{
paren_pos = find_s_char(line, paren_pos+1, ')');
}
}
if (!is_ms_style){
int32_t colon_pos1 = find_s_char(line, 0, ':');
if (line.size > colon_pos1+1){
if (char_is_slash(line.str[colon_pos1+1])){
colon_pos1 = find_s_char(line, colon_pos1+1, ':');
}
}
int32_t colon_pos2 = find_s_char(line, colon_pos1+1, ':');
int32_t colon_pos3 = find_s_char(line, colon_pos2+1, ':');
if (colon_pos3+1 < line.size && line.str[colon_pos3+1] == ' '){
String filename = substr(line, 0, colon_pos1);
String line_number = substr(line, colon_pos1+1, colon_pos2 - colon_pos1 - 1);
String column_number = substr(line, colon_pos2+1, colon_pos3 - colon_pos2 - 1);
if (filename.size > 0 &&
line_number.size > 0 &&
column_number.size > 0){
location->file = filename;
location->line = str_to_int_s(line_number);
location->column = str_to_int_s(column_number);
*colon_char = colon_pos3;
result = true;
}
}
else{
colon_pos1 = find_s_char(line, 0, ':');
if (line.size > colon_pos1+1){
if (char_is_slash(line.str[colon_pos1+1])){
colon_pos1 = find_s_char(line, colon_pos1+1, ':');
}
}
colon_pos2 = find_s_char(line, colon_pos1+1, ':');
if (colon_pos2+1 < line.size && line.str[colon_pos2+1] == ' '){
String filename = substr(line, 0, colon_pos1);
String line_number = substr(line, colon_pos1+1, colon_pos2 - colon_pos1 - 1);
if (str_is_int_s(line_number)){
if (filename.size > 0 && line_number.size > 0){
location->file = filename;
location->line = str_to_int_s(line_number);
location->column = 0;
*colon_char = colon_pos2;
result = true;
}
}
}
}
}
return(result);
}
static int32_t
parse_jump_from_buffer_line(Application_Links *app,
Partition *part,
int32_t buffer_id,
int32_t line,
int32_t skip_sub_errors,
Name_Based_Jump_Location *location){
int32_t result = false;
String line_str = {0};
Buffer_Summary buffer = get_buffer(app, buffer_id, AccessAll);
if (read_line(app, part, &buffer, line, &line_str)){
int32_t colon_char = 0;
if (parse_jump_location(line_str, location, skip_sub_errors, &colon_char)){
result = true;
}
}
return(result);
}
CUSTOM_COMMAND_SIG(goto_jump_at_cursor){
Temp_Memory temp = begin_temp_memory(&global_part);
View_Summary view = get_active_view(app, AccessProtected);
Name_Based_Jump_Location location = {0};
if (parse_jump_from_buffer_line(app, &global_part,
view.buffer_id, view.cursor.line, false,
&location)){
exec_command(app, change_active_panel);
view = get_active_view(app, AccessAll);
jump_to_location(app, &view, &location);
}
end_temp_memory(temp);
}
//
// Error Jumping
//
static int32_t
seek_next_jump_in_buffer(Application_Links *app,
Partition *part,
int32_t buffer_id,
int32_t first_line,
bool32 skip_sub_errors,
int32_t direction,
int32_t *line_out,
int32_t *colon_index_out,
Name_Based_Jump_Location *location_out){
Assert(direction == 1 || direction == -1);
int32_t result = false;
int32_t line = first_line;
String line_str = {0};
Buffer_Summary buffer = get_buffer(app, buffer_id, AccessAll);
for (;;){
if (read_line(app, part, &buffer, line, &line_str)){
if (parse_jump_location(line_str, location_out, skip_sub_errors, colon_index_out)){
result = true;
break;
}
line += direction;
}
else{
break;
}
}
if (line < 0){
line = 0;
}
*line_out = line;
return(result);
}
static ID_Based_Jump_Location
convert_name_based_to_id_based(Application_Links *app, Name_Based_Jump_Location loc){
ID_Based_Jump_Location result = {0};
Buffer_Summary buffer =
get_buffer_by_name(app, loc.file.str, loc.file.size, AccessAll);
if (buffer.exists){
result.buffer_id = buffer.buffer_id;
result.line = loc.line;
result.column = loc.column;
}
return(result);
}
static int32_t
seek_next_jump_in_view(Application_Links *app,
Partition *part,
View_Summary *view,
int32_t skip_sub_errors,
int32_t direction,
int32_t *line_out,
int32_t *colon_index_out,
Name_Based_Jump_Location *location_out){
int32_t result = false;
Name_Based_Jump_Location location = {0};
int32_t line = view->cursor.line;
int32_t colon_index = 0;
if (seek_next_jump_in_buffer(app, part, view->buffer_id,
line+direction, skip_sub_errors, direction,
&line, &colon_index, &location)){
result = true;
*line_out = line;
*colon_index_out = colon_index;
*location_out = location;
}
return(result);
}
static int32_t
skip_this_jump(ID_Based_Jump_Location prev, ID_Based_Jump_Location jump){
int32_t result = false;
if (prev.buffer_id != 0 &&
prev.buffer_id == jump.buffer_id &&
prev.line == jump.line &&
prev.column <= jump.column){
result = true;
}
return(result);
}
static ID_Based_Jump_Location prev_location = {0};
static int32_t
advance_cursor_in_jump_view(Application_Links *app,
Partition *part,
View_Summary *view,
int32_t skip_repeats,
int32_t skip_sub_error,
int32_t direction,
Name_Based_Jump_Location *location_out){
int32_t result = true;
Name_Based_Jump_Location location = {0};
ID_Based_Jump_Location jump = {0};
int32_t line = 0, colon_index = 0;
do{
Temp_Memory temp = begin_temp_memory(part);
if (seek_next_jump_in_view(app, part, view,
skip_sub_error, direction,
&line, &colon_index, &location)){
jump = convert_name_based_to_id_based(app, location);
result = true;
}
else{
jump.buffer_id = 0;
result = false;
}
end_temp_memory(temp);
}while(skip_repeats && skip_this_jump(prev_location, jump));
if (result){
*location_out = location;
view_set_cursor(app, view, seek_line_char(line, colon_index+1), true);
}
prev_location = jump;
return(result);
}
static char locked_buffer_space[256];
static String locked_buffer = make_fixed_width_string(locked_buffer_space);
static void
unlock_jump_buffer(){
locked_buffer.size = 0;
}
static void
lock_jump_buffer(char *name, int32_t size){
copy(&locked_buffer, make_string(name, size));
}
static void
lock_jump_buffer(Buffer_Summary buffer){
copy(&locked_buffer, make_string(buffer.buffer_name, buffer.buffer_name_len));
}
static View_Summary
get_view_for_locked_jump_buffer(Application_Links *app){
View_Summary view = {0};
if (locked_buffer.size > 0){
Buffer_Summary buffer = get_buffer_by_name(app, locked_buffer.str, locked_buffer.size, AccessAll);
if (buffer.exists){
view = get_first_view_with_buffer(app, buffer.buffer_id);
}
else{
unlock_jump_buffer();
}
}
return(view);
}
static int32_t
seek_error(Application_Links *app,
Partition *part,
int32_t skip_repeats,
int32_t skip_sub_errors,
int32_t direction){
int32_t result = 0;
View_Summary view = get_view_for_locked_jump_buffer(app);
if (view.exists){
Name_Based_Jump_Location location = {0};
if (advance_cursor_in_jump_view(app, &global_part, &view,
skip_repeats, skip_sub_errors, direction,
&location)){
View_Summary active_view = get_active_view(app, AccessAll);
if (active_view.view_id == view.view_id){
exec_command(app, change_active_panel);
active_view = get_active_view(app, AccessAll);
}
jump_to_location(app, &active_view, &location);
result = 1;
}
}
return(result);
}
CUSTOM_COMMAND_SIG(goto_next_jump){
int32_t skip_repeats = true;
int32_t skip_sub_errors = true;
int32_t dir = 1;
seek_error(app, &global_part, skip_repeats, skip_sub_errors, dir);
}
CUSTOM_COMMAND_SIG(goto_prev_jump){
int32_t skip_repeats = true;
int32_t skip_sub_errors = true;
int32_t dir = -1;
seek_error(app, &global_part, skip_repeats, skip_sub_errors, dir);
}
CUSTOM_COMMAND_SIG(goto_next_jump_no_skips){
int32_t skip_repeats = false;
int32_t skip_sub_errors = true;
int32_t dir = 1;
seek_error(app, &global_part, skip_repeats, skip_sub_errors, dir);
}
CUSTOM_COMMAND_SIG(goto_prev_jump_no_skips){
int32_t skip_repeats = false;
int32_t skip_sub_errors = true;
int32_t dir = -1;
seek_error(app, &global_part, skip_repeats, skip_sub_errors, dir);
}
CUSTOM_COMMAND_SIG(goto_first_jump){
Temp_Memory temp = begin_temp_memory(&global_part);
View_Summary view = get_view_for_locked_jump_buffer(app);
if (view.exists){
view_set_cursor(app, &view, seek_pos(0), true);
prev_location = null_location;
seek_error(app, &global_part, false, true, 1);
}
end_temp_memory(temp);
}
#define goto_next_error goto_next_jump
#define goto_prev_error goto_prev_jump
#define goto_next_error_no_skips goto_next_jump_no_skips
#define goto_first_error goto_first_jump
#endif