/* Match a string against the given regular expression.
* Returns true on a successful match.
*/
bool d_match(dstr line, const char *regex)
{
re_cache_t *re;
TRexMatch match;
int i;
re = compile_regex(regex);
if (!trex_search(re->reg, line, NULL, NULL)) {
return false;
}
trex_getsubexp(re->reg, 0, &match);
d_assignn(d_before_match, line, match.begin - line);
d_assign(d_after_match, match.begin + match.len);
for (i = 0; i < MAX_MATCH; i++) {
if (trex_getsubexp(re->reg, i, &match)) {
strncpy(d_submatches[i], match.begin, match.len);
d_submatches[i][match.len] = '\0';
}
else {
d_submatches[i][0] = '\0';
}
}
return true;
}
/* Close input file. */
void d_close_input(void)
{
if (d_file) {
fclose(d_file);
}
d_file = NULL;
d_assign(d_filename, "");
}
static int process_options(int argc, char *argv[])
{
int i;
for (i = 1; i < argc; ) {
if (streq(argv[i], "--")) {
i++;
break;
}
if (argv[i][0] != '-') {
break;
}
if (streq(argv[i], "--pandoc")) {
d_assign(pandoc, argv[i + 1]);
i += 2;
}
else if (streq(argv[i], "--protos")) {
d_assign(protos_file, argv[i + 1]);
i += 2;
}
else if (streq(argv[i], "--to")) {
d_assign(to_format, argv[i + 1]);
i += 2;
}
else if (streq(argv[i], "--raise-sections")) {
raise_sections = true;
i++;
}
else {
/* Other options are assumed to be Pandoc options. */
strcat(pandoc_options, " ");
strcat(pandoc_options, argv[i]);
i++;
if (i < argc && argv[i][0] != '-') {
strcat(pandoc_options, " ");
strcat(pandoc_options, argv[i]);
i++;
}
}
}
/* Shift arguments, including sentinel, but not the command name. */
memmove(argv + 1, argv + i, (argc - i + 1) * sizeof(char *));
return argc - (i - 1);
}
void generate_temp_file(char *filename)
{
/* gcc won't shut up if we use tmpnam() so we'll use mkstemp() if it is
* likely to be available.
*/
#ifdef USE_MKSTEMP
int fd;
d_assign(filename, "make_doc_tmp.XXXXXX");
fd = mkstemp(filename);
if (fd == -1) {
d_abort("could not generate temporary file name", "");
}
close(fd);
#else
char *name = TEMPNAM(NULL, "make_doc_tmp.");
if (!name) {
d_abort("could not generate temporary file name", "");
}
d_assign(filename, name);
free(name);
#endif
}
/* Open a single file for reading. */
void d_open_input(const char *filename)
{
if (d_file) {
fclose(d_file);
}
d_file = fopen(filename, "r");
if (!d_file) {
d_abort("could not open file for reading: ", filename);
}
d_assign(d_filename, filename);
d_line_num = 0;
d_file_num = -1;
}
/* Read the next line from the current input file(s). */
bool d_getline(dstr var)
{
char *p = var;
int c;
/* Open the next file if necessary. */
if (!d_file) {
if (d_file_num == -1 || d_file_num + 1 >= d_argc) {
return false;
}
d_file_num++;
d_file = fopen(d_argv[d_file_num], "r");
if (!d_file) {
d_abort("could not open file for reading: ", d_argv[d_file_num]);
}
d_assign(d_filename, d_argv[d_file_num]);
d_line_num = 0;
}
for (;;) {
c = fgetc(d_file);
if (c == EOF || c == '\n') {
break;
}
*p++ = c;
if (p - var >= MAX_STRING - 1) {
fprintf(stderr, "dawk: string length limit reached\n");
break;
}
}
*p = '\0';
if (c == EOF) {
fclose(d_file);
d_file = NULL;
if (p == var) {
return d_getline(var);
}
}
else if (c == '\n') {
d_line_num++;
/* Remove trailing CR if present. */
if (p > var && p[-1] == '\r') {
p[-1] = '\0';
}
}
return true;
}
static void load_prototypes(const char *filename)
{
dstr line;
const char *name;
const char *newtext;
const char *file_name;
const char *line_number;
dstr text;
d_open_input(filename);
while (d_getline(line)) {
if (d_match(line, "([^:]*): ([^:]*):([^:]*):([^:]*)")) {
name = d_submatch(1);
newtext = d_submatch(2);
file_name = d_submatch(3);
line_number = d_submatch(4);
d_assign(text, lookup_prototype(name));
strcat(text, "\n");
strcat(text, newtext);
protos = aa_insert(protos, name, text);
d_assign(text, lookup_source(name));
if (strlen(text) == 0) {
strcat(text, "https://github.com/liballeg/allegro5/blob/5.1/");
strcat(text, file_name);
strcat(text, "#L");
strcat(text, line_number);
sources = aa_insert(sources, name, text);
}
}
}
d_close_input();
}
int main(int argc, char *argv[])
{
bool found_tag = false;
bool do_print = false;
dstr line = "";
dstr prefix = "";
d_init(argc, argv);
while (d_getline(line)) {
if (d_match(line, "/[*] (Function|Type|Enum): (.*)")) {
found_tag = true;
do_print = false;
d_assign(prefix, d_submatch(2));
continue;
}
if (found_tag && d_match(line, "^ ?\\*/")) {
found_tag = false;
do_print = true;
continue;
}
if (d_match(line, "^\\{|^$")) {
do_print = false;
continue;
}
/* Prototype ends on blank line. */
/* TODO: Should the above regexp match it? If so it doesn't here... */
if (line[0] == 0) {
do_print = false;
continue;
}
if (do_print) {
printf("%s: %s\n", prefix, line);
}
if (d_match(line, "\\{ *$|; *$")) {
do_print = false;
}
}
return 0;
}
