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Improve c-index-test's parsing of the -code-completion-at=file:line:column argument 

llvm-svn: 86566
This commit is contained in:
Douglas Gregor 2009-11-09 18:19:57 +00:00
parent 5196e415ad
commit f96ea29b39
1 changed files with 24 additions and 21 deletions
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45
clang/tools/c-index-test/c-index-test.c
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@ -113,38 +113,41 @@ static void TranslationUnitVisitor(CXTranslationUnit Unit, CXCursor Cursor,
memory (that will be owned by the caller) to store the file name. */
int parse_file_line_column(const char *input, char **filename, unsigned *line,
unsigned *column) {
const char *colon = strchr(input, ':');
/* Find the second colon. */
const char *second_colon = strrchr(input, ':'), *first_colon;
char *endptr = 0;
if (!colon) {
if (!second_colon || second_colon == input) {
fprintf(stderr, "could not parse filename:line:column in '%s'\n", input);
return 1;
}
/* Copy the file name. */
*filename = (char*)malloc(colon - input);
strncpy(*filename, input, colon - input);
(*filename)[colon - input] = 0;
input = colon + 1;
/* Parse the line number. */
*line = strtol(input, &endptr, 10);
if (*endptr != ':') {
fprintf(stderr, "could not parse line:column in '%s'\n", input);
free(filename);
*filename = 0;
return 1;
}
input = endptr + 1;
/* Parse the column number. */
*column = strtol(input, &endptr, 10);
*column = strtol(second_colon + 1, &endptr, 10);
if (*endptr != 0) {
fprintf(stderr, "could not parse column in '%s'\n", input);
free(filename);
*filename = 0;
return 1;
}
/* Find the first colon. */
first_colon = second_colon - 1;
while (first_colon != input && *first_colon != ':')
--first_colon;
if (first_colon == input) {
fprintf(stderr, "could not parse line in '%s'\n", input);
return 1;
}
/* Parse the line number. */
*line = strtol(first_colon + 1, &endptr, 10);
if (*endptr != ':') {
fprintf(stderr, "could not parse line in '%s'\n", input);
return 1;
}
/* Copy the file name. */
*filename = (char*)malloc(first_colon - input + 1);
memcpy(*filename, input, first_colon - input);
(*filename)[first_colon - input] = 0;
return 0;
}