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fix end of file bug

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This commit is contained in:
Grant Horner
2026-05-10 08:47:25 -04:00
parent e755d1d89c
commit d6bee8b2e2
3 changed files with 63 additions and 36 deletions
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1
.gitignore vendored
View File

@@ -3,3 +3,4 @@ edit
.build
main
test
*.dSYM

23
edit.jai
View File

@@ -52,6 +52,9 @@ run_editor :: (file_name: string) {
state.file_name = file_name;
window := create_window(state.window_width, state.window_height, state.file_name);
state.window_width, state.window_height = Simp.get_render_dimensions(window);
my_init_fonts(*state);
Simp.set_render_target(window);
@@ -257,9 +260,13 @@ handle_arrow :: (using state: *State, using event: Input.Event) {
cursor_y -= 1;
}
case .ARROW_DOWN;
if cursor_y == visible_lines.count - 1 {
if cursor_y + first_line == lines.count - 1 {
print("End of file?\n");
print_vars(cursor_y, first_line, visible_lines.count, lines.count);
} else if cursor_y == visible_lines.count - 1 {
print("increasing first line\n");
print_vars(cursor_y, visible_lines.count);
first_line = min(first_line + 1, lines.count);
} else if cursor_y + first_line + visible_lines.count >= lines.count {
} else {
cursor_y += 1;
}
@@ -290,6 +297,9 @@ handle_arrow :: (using state: *State, using event: Input.Event) {
get_visible_lines :: (using state: State) -> [][..]u8 {
if line_height <= 1 || window_height == 0 return .[];
num_lines_in_screen := window_height / line_height - 1;
print("num_lines_in_screen: %\n", num_lines_in_screen);
print("first_line: %\n", first_line);
print("lines: %\n", lines);
return array_view(lines, first_line, num_lines_in_screen);
}
@@ -370,10 +380,15 @@ read_file_lines :: (using state: *State, file_path: string) -> bool {
}
my_init_fonts :: (using state: *State) {
line_height = 16;
base_path := path_strip_filename(get_path_of_running_executable());
my_font = Simp.get_font_at_size("/home/grant/.local/share/fonts/otf/BerkeleyMono/", "BerkeleyMono-Regular.otf", line_height);
#if OS == .LINUX {
line_height = 16;
my_font = Simp.get_font_at_size("/home/grant/.local/share/fonts/otf/BerkeleyMono/", "BerkeleyMono-Regular.otf", line_height);
} else if OS == .MACOS {
line_height = 32;
my_font = Simp.get_font_at_size("/Users/grant/Library/Fonts/", "BerkeleyMono-Regular.otf", line_height);
}
// my_font = Simp.get_font_at_size(base_path, "Anonymous Pro.ttf", line_height);
assert(my_font != null);
}

73
test.jai
View File

@@ -1,10 +1,22 @@
main :: () {
print("\nBeginning tests...\n");
// test_handle_arrow_empty_lines();
// test_handle_arrow_one_line();
x := 1;
y := 2;
assert_test(x == y);
//test_get_visible_lines();
//test_handle_arrow_empty_lines();
test_handle_arrow_one_line();
print("Tests completed successfully\n");
}
test_get_visible_lines :: () {
state: State;
state.line_height = 10;
state.window_height = 100;
assert_test(get_visible_lines(state).count == 0);
line: [..]u8;
array_add(*line, array_view("foo"));
array_add(*state.lines, line);
assert_test(get_visible_lines(state).count == 1);
print("test_get_visible_lines completed successfully\n");
}
test_handle_arrow_empty_lines :: () {
@@ -23,14 +35,13 @@ test_handle_arrow_empty_lines :: () {
test_handle_arrow_one_line :: () {
state: State;
state.first_line = 0;
state.cursor_y = 0;
state.cursor_x = 0;
state.line_height = 10;
state.window_height = 100;
line: [..]u8;
line_str := "foo bar";
array_add(*line, .{data=line_str.data, count=line_str.count});
array_add(*state.lines, line);
add_line(*state, "foo bar");
codes := Input.Key_Code.[.ARROW_DOWN, .ARROW_UP, .ARROW_LEFT];
for codes {
@@ -38,33 +49,33 @@ test_handle_arrow_one_line :: () {
assert(state.cursor_x == 0 && state.cursor_y == 0);
}
handle_arrow(*state, .{key_code=.ARROW_RIGHT});
assert(state.cursor_x == 1 && state.cursor_y == 0);
print("lines: %\n", state.lines);
print("visible_lines: %\n", get_visible_lines(state));
handle_arrow(*state, .ARROW_RIGHT);
assert_test(state.cursor_x == 1 && state.cursor_y == 0);
print("test_handle_arrow_one_line completed successfully\n");
}
assert_test :: (value: bool, $code := #caller_code) {
builder: String_Builder;
root, expressions := compiler_get_nodes(code);
loc := #location(code);
assert_test :: (value: bool, $call := #caller_code, loc := #caller_location) {
if value == true return;
assert(false, "%\nValue is false.", #run get_expression(call), value, loc = loc);
}
print_to_builder(*builder, "%:%: Test: ", loc.fully_pathed_filename, loc.line_number);
get_expression :: (call := #caller_code) -> string {
root := compiler_get_nodes(call);
builder: String_Builder;
print_expression(*builder, root);
append(*builder, "\n");
`result := #insert code;
if !result {
for expressions {
if it == root continue;
print_expression(*builder, it);
append(*builder, "\n");
}
append(*builder, "\n");
`expression := builder_to_string(*builder);
`print("%\n", expression);
} else {
`print("Passed!\n");
}
return builder_to_string(*builder);
};
#scope_file
add_line :: (using state: *State, line: string) {
line_dyn: [..]u8;
array_add(*line_dyn, array_view(line));
array_add(*state.lines, line_dyn);
}
#import,file "edit.jai";