private void leave_file() {
SVPreProc2InputData old_file = fInputCurr;
// Clean up (if needed) after the macro stack
// Only cleanup after leaving a file where file content (not expanded macro content)
// was present
if (fInputCurr.incPos()) {
cleanup_preproc_leftovers();
}
fInputCurr.leave_file();
if (fIndexStats != null) {
// Update stats
if (old_file.getInput() instanceof SVFileBuffer) {
fIndexStats.incLastIndexFileReadTime(((SVFileBuffer) old_file.getInput()).getReadTime());
}
fIndexStats.incNumLines(old_file.getLineCount());
fIndexStats.incNumProcessedFiles();
}
/*SVPreProc2InputData curr_in =*/ fInputStack.pop();
SVPreProc2InputData new_file = fInputStack.peek();
fInputCurr = new_file;
int file_idx = fFileList.indexOf(new_file.getFileName());
// We will not have registered ANONYMOUS files
if (file_idx != -1) {
int file_id = 0;
if (fFileMapper != null) {
file_id = fFileMapper.mapFilePathToId(new_file.getFileName(), true);
}
// Add a marker noting that we're switching to a new file
SVPreProcOutput.FileChangeInfo file_info =
new SVPreProcOutput.FileChangeInfo(fOutputLen, file_id, new_file.getLineNo());
fFileMap.add(file_info);
}
}
public SVPreProcOutput preprocess() {
int ch, last_ch = -1;
int end_comment1 = -1, end_comment2 = -1;
long start, end;
boolean in_string = false;
boolean ifdef_enabled = true;
boolean found_single_line_comment = false;
start = System.currentTimeMillis();
while ((ch = get_ch()) != -1) {
found_single_line_comment = false;
if (!in_string) {
// Handle comment
if (ch == '/') {
int ch2 = get_ch();
if (ch2 == '/') {
output(' ');
found_single_line_comment = true;
beginComment();
while ((ch = get_ch()) != -1 && ch != '\n' && ch != '\r') {
fCommentBuffer.append((char) ch);
}
fCommentBuffer.append('\n');
// Handle
if (ch == '\r') {
ch = get_ch();
if (ch != '\n') {
unget_ch(ch);
}
}
ch = '\n';
last_ch = ' ';
} else if (ch2 == '*') {
end_comment1 = -1;
end_comment2 = -1;
output(' ');
beginComment();
while ((ch = get_ch()) != -1) {
end_comment1 = end_comment2;
end_comment2 = ch;
if (end_comment1 == '*' && end_comment2 == '/') {
endComment();
break;
} else {
fCommentBuffer.append((char) ch);
}
}
ch = ' ';
last_ch = ' ';
} else {
unget_ch(ch2);
}
}
if (!Character.isWhitespace(ch) && fInComment) {
// Send accumlated comment to observer
endComment();
}
if (ch == '`') {
// Processing an ifdef may affect enablement
handle_preproc_directive();
ifdef_enabled = ifdef_enabled();
if (!ifdef_enabled) {
output(' ');
}
} else {
if (ch == '"' && last_ch != '\\') {
// Enter string
in_string = true;
}
if (ifdef_enabled) {
output((char) ch);
}
}
} else {
// In String
if (ch == '"' && last_ch != '\\') {
in_string = false;
}
if (ifdef_enabled) {
output((char) ch);
}
}
// Consecutive back-slashes convert to
// a single backslash. For tracking purposes,
// convert to space
if (last_ch == '\\' && ch == '\\') {
last_ch = ' ';
} else {
last_ch = ch;
}
if (fInComment && !found_single_line_comment && ch == '\n') {
endComment();
}
}
SVPreProcOutput ret = new SVPreProcOutput(fOutput, null, fFileMap, fFileList);
ret.setFileTree(fInputCurr.getFileTree());
// Clean up after any unbalanced pre-processor directives
cleanup_preproc_leftovers();
// Leave final file
fInputCurr.close();
// Finally, save the full pre-processor state to the final file
/*
last_file.fFileTree.fDefinedMacros.clear();
for (Entry<String, SVDBMacroDef> e : fMacroMap.entrySet()) {
if (!e.getKey().equals("__FILE__") && !e.getKey().equals("__LINE__")) {
last_file.fFileTree.fDefinedMacros.put(e.getKey(), e.getValue());
}
}
*/
end = System.currentTimeMillis();
if (fIndexStats != null) {
if (fInputCurr.getInput() instanceof SVFileBuffer) {
fIndexStats.incLastIndexFileReadTime(((SVFileBuffer) fInputCurr.getInput()).getReadTime());
}
fIndexStats.incNumLines(fInputCurr.getLineCount());
fIndexStats.incLastIndexPreProcessTime(end - start);
fIndexStats.incNumProcessedFiles();
}
return ret;
}