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Implement get_token_array_from_buffer_no_wait to return an empty array if the lex task is currently running

This commit is contained in:
Peter Slattery 2025-07-14 11:19:27 -07:00
parent 9ecf49d278
commit 84b1b15fbb
1 changed files with 52 additions and 37 deletions
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89
code/custom/4coder_helper.cpp
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@ -61,6 +61,21 @@ get_token_array_from_buffer(Application_Links *app, Buffer_ID buffer){
return(result);
}
function Token_Array
get_token_array_from_buffer_no_wait(Application_Links *app, Buffer_ID buffer)
{
Token_Array result = {};
Managed_Scope scope = buffer_get_managed_scope(app, buffer);
Async_Task *lex_task_ptr = scope_attachment(app, scope, buffer_lex_task, Async_Task);
if (lex_task_ptr == 0){
Token_Array *ptr = scope_attachment(app, scope, attachment_tokens, Token_Array);
if (ptr != 0){
result = *ptr;
}
}
return(result);
}
////////////////////////////////
function Buffer_Seek
@ -645,7 +660,7 @@ boundary_token(Application_Links *app, Buffer_ID buffer, Side side, Scan_Directi
}
}
}break;
case Scan_Backward:
{
result = 0;
@ -772,17 +787,17 @@ seek_string(Application_Links *app, Buffer_ID buffer_id, i64 pos, i64 end, i64 m
{
seek_string_forward(app, buffer_id, pos, end, str, result);
}break;
case BufferSeekString_Backward:
{
seek_string_backward(app, buffer_id, pos, min, str, result);
}break;
case BufferSeekString_CaseInsensitive:
{
seek_string_insensitive_forward(app, buffer_id, pos, end, str, result);
}break;
case BufferSeekString_Backward|BufferSeekString_CaseInsensitive:
{
seek_string_insensitive_backward(app, buffer_id, pos, min, str, result);
@ -1248,12 +1263,12 @@ function Indent_Info
get_indent_info_range(Application_Links *app, Buffer_ID buffer, Range_i64 range, i32 tab_width){
Scratch_Block scratch(app);
String_Const_u8 s = push_buffer_range(app, scratch, buffer, range);
Indent_Info info = {};
info.first_char_pos = range.end;
info.is_blank = true;
info.all_space = true;
for (u64 i = 0; i < s.size; i += 1){
u8 c = s.str[i];
if (!character_is_whitespace(c)){
@ -1272,7 +1287,7 @@ get_indent_info_range(Application_Links *app, Buffer_ID buffer, Range_i64 range,
info.indent_pos += tab_width;
}
}
return(info);
}
@ -1329,17 +1344,17 @@ swap_lines(Application_Links *app, Buffer_ID buffer, i64 line_1, i64 line_2){
if (1 <= line_1 && line_2 <= line_count){
Range_i64 range_1 = get_line_pos_range(app, buffer, line_1);
Range_i64 range_2 = get_line_pos_range(app, buffer, line_2);
Scratch_Block scratch(app);
String_Const_u8 text_1 = push_buffer_range(app, scratch, buffer, range_1);
String_Const_u8 text_2 = push_buffer_range(app, scratch, buffer, range_2);
History_Group group = history_group_begin(app, buffer);
buffer_replace_range(app, buffer, range_2, text_1);
buffer_replace_range(app, buffer, range_1, text_2);
history_group_end(group);
i64 shift = replace_range_shift(range_1, text_2.size);
result.min = range_1.min;
result.max = range_2.min + shift;
@ -1505,13 +1520,13 @@ query_user_general(Application_Links *app, Query_Bar *bar, b32 force_number, Str
if (start_query_bar(app, bar, 0) == 0){
return(false);
}
if (init_string.size > 0){
String_u8 string = Su8(bar->string.str, bar->string.size, bar->string_capacity);
string_append(&string, init_string);
bar->string.size = string.string.size;
}
b32 success = true;
for (;;){
User_Input in = get_next_input(app, EventPropertyGroup_Any,
@ -1520,7 +1535,7 @@ query_user_general(Application_Links *app, Query_Bar *bar, b32 force_number, Str
success = false;
break;
}
Scratch_Block scratch(app);
b32 good_insert = false;
String_Const_u8 insert_string = to_writable(&in);
@ -1540,7 +1555,7 @@ query_user_general(Application_Links *app, Query_Bar *bar, b32 force_number, Str
good_insert = true;
}
}
if (in.event.kind == InputEventKind_KeyStroke &&
(in.event.key.code == KeyCode_Return || in.event.key.code == KeyCode_Tab)){
break;
@ -1576,7 +1591,7 @@ query_user_general(Application_Links *app, Query_Bar *bar, b32 force_number, Str
}
}
}
return(success);
}
@ -1668,23 +1683,23 @@ function void
place_begin_and_end_on_own_lines(Application_Links *app, char *begin, char *end){
View_ID view = get_active_view(app, Access_ReadWriteVisible);
Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
Range_i64 range = get_view_range(app, view);
Range_i64 lines = get_line_range_from_pos_range(app, buffer, range);
range = get_pos_range_from_line_range(app, buffer, lines);
Scratch_Block scratch(app);
b32 min_line_blank = line_is_valid_and_blank(app, buffer, lines.min);
b32 max_line_blank = line_is_valid_and_blank(app, buffer, lines.max);
if ((lines.min < lines.max) || (!min_line_blank)){
String_Const_u8 begin_str = {};
String_Const_u8 end_str = {};
i64 min_adjustment = 0;
i64 max_adjustment = 0;
if (min_line_blank){
begin_str = push_u8_stringf(scratch, "\n%s", begin);
min_adjustment += 1;
@ -1699,15 +1714,15 @@ place_begin_and_end_on_own_lines(Application_Links *app, char *begin, char *end)
end_str = push_u8_stringf(scratch, "\n%s", end);
max_adjustment += 1;
}
max_adjustment += begin_str.size;
Range_i64 new_pos = Ii64(range.min + min_adjustment, range.max + max_adjustment);
History_Group group = history_group_begin(app, buffer);
buffer_replace_range(app, buffer, Ii64(range.min), begin_str);
buffer_replace_range(app, buffer, Ii64(range.max + begin_str.size), end_str);
history_group_end(group);
set_view_range(app, view, new_pos);
}
else{
@ -1833,7 +1848,7 @@ view_disable_highlight_range(Application_Links *app, View_ID view){
function void
view_set_highlight_range(Application_Links *app, View_ID view, Range_i64 range){
view_disable_highlight_range(app, view);
Buffer_ID buffer = view_get_buffer(app, view, Access_Always);
Managed_Scope scope = view_get_managed_scope(app, view);
Managed_Object *highlight = scope_attachment(app, scope, view_highlight_range, Managed_Object);
@ -1853,7 +1868,7 @@ view_look_at_region(Application_Links *app, View_ID view, i64 major_pos, i64 min
if (major_pos == range.max){
bottom_major = true;
}
Buffer_Cursor top = view_compute_cursor(app, view, seek_pos(range.min));
if (top.line > 0){
Buffer_Cursor bottom = view_compute_cursor(app, view, seek_pos(range.max));
@ -1862,16 +1877,16 @@ view_look_at_region(Application_Links *app, View_ID view, i64 major_pos, i64 min
f32 view_height = rect_height(region);
f32 skirt_height = view_height*.1f;
Range_f32 acceptable_y = If32(skirt_height, view_height*.9f);
f32 target_height = view_line_y_difference(app, view, bottom.line + 1, top.line);
f32 line_height = get_view_line_height(app, view);
if (target_height + 2*line_height > view_height){
i64 major_line = bottom.line;
if (range.min == major_pos){
major_line = top.line;
}
Buffer_Scroll scroll = view_get_buffer_scroll(app, view);
scroll.target.line_number = major_line;
scroll.target.pixel_shift.y = -skirt_height;
@ -2357,7 +2372,7 @@ find_nest_side(Application_Links *app, Buffer_ID buffer, i64 pos,
Find_Nest_Flag flags, Scan_Direction scan, Nest_Delimiter_Kind delim,
Range_i64 *out){
b32 result = false;
b32 balanced = HasFlag(flags, FindNest_Balanced);
if (balanced){
if ((delim == NestDelim_Open && scan == Scan_Forward) ||
@ -2365,7 +2380,7 @@ find_nest_side(Application_Links *app, Buffer_ID buffer, i64 pos,
balanced = false;
}
}
Managed_Scope scope = buffer_get_managed_scope(app, buffer);
Token_Array *tokens = scope_attachment(app, scope, attachment_tokens, Token_Array);
if (tokens != 0 && tokens->count > 0){
@ -2374,17 +2389,17 @@ find_nest_side(Application_Links *app, Buffer_ID buffer, i64 pos,
for (;;){
Token *token = token_it_read(&it);
Nest_Delimiter_Kind token_delim = get_nest_delimiter_kind(token->kind, flags);
if (level == 0 && token_delim == delim){
*out = Ii64_size(token->pos, token->size);
result = true;
break;
}
if (balanced && token_delim != NestDelim_None){
level += (token_delim == delim)?-1:1;
}
b32 good = false;
if (scan == Scan_Forward){
good = token_it_inc(&it);
@ -2397,7 +2412,7 @@ find_nest_side(Application_Links *app, Buffer_ID buffer, i64 pos,
}
}
}
return(result);
}
@ -2476,7 +2491,7 @@ set_buffer_system_command(Application_Links *app, Child_Process_ID process, Buff
clear_buffer(app, buffer);
if (HasFlag(flags, CLI_SendEndSignal)){
buffer_send_end_signal(app, buffer);
Buffer_Hook_Function *begin_buffer = (Buffer_Hook_Function*)get_custom_hook(app, HookID_BeginBuffer);
if (begin_buffer != 0){
begin_buffer(app, buffer);