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// clear build errors.
static void build_clear(Ted *ted) {
arr_foreach_ptr(ted->build_errors, BuildError, err) {
free(err->filename);
}
arr_clear(ted->build_errors);
}
static void build_start(Ted *ted) {
// get rid of any old build errors
build_clear(ted);
chdir(ted->cwd);
#if __unix__
char *program = "/bin/sh";
char *argv[] = {
program, "-c", "make", NULL
};
#else
#error "TODO"
#endif
process_exec(&ted->build_process, program, argv);
ted->building = true;
ted->build_shown = true;
buffer_new_file(&ted->build_buffer, NULL);
ted->build_buffer.store_undo_events = false; // don't need undo events for build output buffer
ted->build_buffer.view_only = true;
}
static void build_stop(Ted *ted) {
if (ted->building)
process_kill(&ted->build_process);
ted->building = false;
ted->build_shown = false;
build_clear(ted);
}
static void build_go_to_error(Ted *ted) {
if (ted->build_error < arr_len(ted->build_errors)) {
BuildError error = ted->build_errors[ted->build_error];
// open the file where the error happened
if (ted_open_file(ted, error.filename)) {
TextBuffer *buffer = ted->active_buffer;
assert(buffer);
// move cursor to error
buffer_cursor_move_to_pos(buffer, error.pos);
buffer->center_cursor_next_frame = true;
// move cursor to error in build output
TextBuffer *build_buffer = &ted->build_buffer;
BufferPos error_pos = {.line = error.build_output_line, .index = 0};
buffer_cursor_move_to_pos(build_buffer, error_pos);
buffer_center_cursor(build_buffer);
}
}
}
static void build_next_error(Ted *ted) {
if (ted->build_errors) {
ted->build_error += 1;
ted->build_error %= arr_len(ted->build_errors);
build_go_to_error(ted);
}
}
static void build_prev_error(Ted *ted) {
if (ted->build_errors) {
ted->build_error += arr_len(ted->build_errors) - 1;
ted->build_error %= arr_len(ted->build_errors);
build_go_to_error(ted);
}
}
static void build_frame(Ted *ted, float x1, float y1, float x2, float y2) {
TextBuffer *buffer = &ted->build_buffer;
Process *process = &ted->build_process;
assert(ted->build_shown);
char buf[256];
if (ted->building) {
buffer->view_only = false; // disable view only temporarily so we can edit it
bool any_text_inserted = false;
while (1) {
char incomplete[4];
memcpy(ted->build_incomplete_codepoint, incomplete, sizeof incomplete);
*ted->build_incomplete_codepoint = 0;
i64 bytes_read = (i64)process_read(process, buf + 3, sizeof buf - 3);
if (bytes_read == -2) {
ted_seterr(ted, "Error reading command output: %s.", process_geterr(process));
build_stop(ted);
break;
} else if (bytes_read == -1) {
// no data right now.
break;
} else if (bytes_read == 0) {
// end of file
break;
} else {
any_text_inserted = true;
// got some data.
char *p = buf + 3 - strlen(incomplete);
char *end = buf + 3 + bytes_read;
// start off data with incomplete code point from last time
memcpy(p, incomplete, strlen(incomplete));
while (p != end) {
char32_t c = 0;
size_t ret = unicode_utf8_to_utf32(&c, p, (size_t)(end - p));
if (ret == (size_t)-1) {
// invalid UTF-8. skip this byte.
++p;
} else if (ret == (size_t)-2) {
// incomplete UTF-8
size_t leftovers = (size_t)(end - p);
assert(leftovers < 4);
memcpy(ted->build_incomplete_codepoint, p, leftovers);
ted->build_incomplete_codepoint[leftovers] = '\0';
p = end;
} else {
if (ret == 0) ret = 1;
// got a code point
buffer_insert_char_at_pos(buffer, buffer_end_of_file(buffer), c);
p += ret;
}
}
}
}
if (any_text_inserted) {
// show bottom of output (only relevant if there are no build errors)
buffer->cursor_pos = buffer_end_of_file(buffer);
buffer_scroll_to_cursor(buffer);
}
char message[64];
int status = process_check_status(process, message, sizeof message);
if (status == 0) {
// hasn't exited yet
} else {
buffer_insert_utf8_at_cursor(buffer, message);
ted->building = false;
// check for errors
for (u32 line_idx = 0; line_idx < buffer->nlines; ++line_idx) {
Line *line = &buffer->lines[line_idx];
if (line->len < 3) {
continue;
}
bool is_error = true;
u32 i = 0;
char32_t *str = line->str; u32 len = line->len;
// we have something like main.c:5
// get file name
while (i < len) {
if (str[i] == ':') break;
if (!is32_alnum(str[i]) && str[i] != '/' && str[i] != '.' && str[i] != '\\') {
is_error = false;
break;
}
++i;
}
if (i >= len) is_error = false;
if (is_error) {
u32 filename_len = i;
u32 line_number_len = 0;
++i;
while (i < len) {
if (str[i] == ':') break;
if (str[i] < '0' || str[i] > '9') {
is_error = false;
break;
}
++i;
++line_number_len;
}
if (i >= len) is_error = false;
if (line_number_len == 0) is_error = false;
if (is_error) {
char *line_number_str = str32_to_utf8_cstr(str32(str + filename_len + 1, line_number_len));
if (line_number_str) {
int line_number = atoi(line_number_str);
free(line_number_str);
if (line_number > 0) {
// it's an error
// check if there's a column number
u32 column_len = 0;
++i;
while (i < len) {
if (str[i] >= '0' && str[i] <= '9')
++column_len;
else
break;
++i;
}
int column = 0;
if (column_len) {
// file:line:column syntax
char *column_str = str32_to_utf8_cstr(str32(str + filename_len + 1 + line_number_len + 1, column_len));
if (column_str) {
column = atoi(column_str);
column -= 1;
if (column < 0) column = 0;
free(column_str);
}
}
line_number -= 1; // line numbers in output start from 1.
char *filename = str32_to_utf8_cstr(str32(str, filename_len));
if (filename) {
char full_path[TED_PATH_MAX];
ted_full_path(ted, filename, full_path, sizeof full_path);
BuildError error = {
.filename = str_dup(full_path),
.pos = {.line = (u32)line_number, .index = (u32)column},
.build_output_line = line_idx
};
arr_add(ted->build_errors, error);
}
}
}
}
}
}
// go to the first error (if there is one)
ted->build_error = 0;
build_go_to_error(ted);
}
buffer->view_only = true;
}
buffer_render(buffer, rect4(x1, y1, x2, y2));
}
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