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c-index-test: Simplify file scanning code. 

llvm-svn: 96159
This commit is contained in:
Daniel Dunbar 2010-02-14 08:32:32 +00:00
parent 98c07e0e23
commit eb27e7d999
1 changed files with 27 additions and 45 deletions
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72
clang/tools/c-index-test/c-index-test.c
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@ -579,12 +579,10 @@ static int perform_file_scan(const char *ast_file, const char *source_file,
CXIndex Idx;
CXTranslationUnit TU;
FILE *fp;
unsigned line;
CXCursor prevCursor;
CXCursor prevCursor = clang_getNullCursor();
CXFile file;
unsigned printed;
unsigned start_line, start_col, last_line, last_col;
size_t i;
unsigned line = 1, col = 1;
unsigned start_line = 1, start_col = 1, prev_line = 0, prev_col = 0;
if (!(Idx = clang_createIndex(/* excludeDeclsFromPCH */ 1))) {
fprintf(stderr, "Could not create Index\n");
@ -599,52 +597,36 @@ static int perform_file_scan(const char *ast_file, const char *source_file,
return 1;
}
line = 0;
prevCursor = clang_getNullCursor();
printed = 0;
start_line = last_line = 1;
start_col = last_col = 1;
file = clang_getFile(TU, source_file);
while (!feof(fp)) {
size_t len = 0;
int c;
for (;;) {
CXCursor cursor;
int c = fgetc(fp);
while ((c = fgetc(fp)) != EOF) {
len++;
if (c == '\n')
break;
if (c == '\n') {
++line;
col = 1;
} else
++col;
/* Check the cursor at this position, and dump the previous one if we have
* found something new.
*/
cursor = clang_getCursor(TU, clang_getLocation(TU, file, line, col));
if ((c == EOF || !clang_equalCursors(cursor, prevCursor)) &&
prevCursor.kind != CXCursor_InvalidFile) {
print_cursor_file_scan(prevCursor, start_line, start_col,
prev_line, prev_col, prefix);
start_line = line;
start_col = col;
}
if (c == EOF)
break;
++line;
for (i = 0; i < len ; ++i) {
CXCursor cursor;
cursor = clang_getCursor(TU, clang_getLocation(TU, file, line, i+1));
if (!clang_equalCursors(cursor, prevCursor) &&
prevCursor.kind != CXCursor_InvalidFile) {
print_cursor_file_scan(prevCursor, start_line, start_col,
last_line, last_col, prefix);
printed = 1;
start_line = line;
start_col = (unsigned) i+1;
}
else {
printed = 0;
}
prevCursor = cursor;
last_line = line;
last_col = (unsigned) i+1;
}
prevCursor = cursor;
prev_line = line;
prev_col = col;
}
if (!printed && prevCursor.kind != CXCursor_InvalidFile) {
print_cursor_file_scan(prevCursor, start_line, start_col,
last_line, last_col, prefix);
}
fclose(fp);
return 0;
}