3da965ccd9
CID 155005: Possible illegal access in string. Some loops were reading the buffer without checking the bounds. Change-Id: I910671a6d56808138ec2bb5d96bd7edf78b20f73 Reviewed-by: Edward Welbourne <edward.welbourne@theqtcompany.com> Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
1157 lines
43 KiB
C++
1157 lines
43 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the qmake application of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL21$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "makefiledeps.h"
|
|
#include "option.h"
|
|
#include <qdir.h>
|
|
#include <qdatetime.h>
|
|
#include <qfileinfo.h>
|
|
#include <qbuffer.h>
|
|
#include <qplatformdefs.h>
|
|
#if defined(Q_OS_UNIX)
|
|
# include <unistd.h>
|
|
#else
|
|
# include <io.h>
|
|
#endif
|
|
#include <qdebug.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#if defined(_MSC_VER) && _MSC_VER >= 1400
|
|
#include <share.h>
|
|
#endif
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
// FIXME: a line ending in CRLF gets counted as two lines.
|
|
#if 1
|
|
#define qmake_endOfLine(c) (c == '\r' || c == '\n')
|
|
#else
|
|
inline bool qmake_endOfLine(const char &c) { return (c == '\r' || c == '\n'); }
|
|
#endif
|
|
|
|
//#define QMAKE_USE_CACHE
|
|
|
|
QMakeLocalFileName::QMakeLocalFileName(const QString &name) : is_null(name.isNull())
|
|
{
|
|
if(!name.isEmpty()) {
|
|
if(name.at(0) == QLatin1Char('"') && name.at(name.length()-2) == QLatin1Char('"'))
|
|
real_name = name.mid(1, name.length()-2);
|
|
else
|
|
real_name = name;
|
|
}
|
|
}
|
|
const QString
|
|
&QMakeLocalFileName::local() const
|
|
{
|
|
if(!is_null && local_name.isNull())
|
|
local_name = Option::normalizePath(real_name);
|
|
return local_name;
|
|
}
|
|
|
|
struct SourceDependChildren;
|
|
struct SourceFile {
|
|
SourceFile() : deps(0), type(QMakeSourceFileInfo::TYPE_UNKNOWN),
|
|
mocable(0), traversed(0), exists(1),
|
|
moc_checked(0), dep_checked(0), included_count(0) { }
|
|
~SourceFile();
|
|
QMakeLocalFileName file;
|
|
SourceDependChildren *deps;
|
|
QMakeSourceFileInfo::SourceFileType type;
|
|
uint mocable : 1, traversed : 1, exists : 1;
|
|
uint moc_checked : 1, dep_checked : 1;
|
|
uchar included_count;
|
|
};
|
|
struct SourceDependChildren {
|
|
SourceFile **children;
|
|
int num_nodes, used_nodes;
|
|
SourceDependChildren() : children(0), num_nodes(0), used_nodes(0) { }
|
|
~SourceDependChildren() { if(children) free(children); children = 0; }
|
|
void addChild(SourceFile *s) {
|
|
if(num_nodes <= used_nodes) {
|
|
num_nodes += 200;
|
|
children = (SourceFile**)realloc(children, sizeof(SourceFile*)*(num_nodes));
|
|
}
|
|
children[used_nodes++] = s;
|
|
}
|
|
};
|
|
SourceFile::~SourceFile() { delete deps; }
|
|
class SourceFiles {
|
|
int hash(const char *);
|
|
public:
|
|
SourceFiles();
|
|
~SourceFiles();
|
|
|
|
SourceFile *lookupFile(const char *);
|
|
inline SourceFile *lookupFile(const QString &f) { return lookupFile(f.toLatin1().constData()); }
|
|
inline SourceFile *lookupFile(const QMakeLocalFileName &f) { return lookupFile(f.local().toLatin1().constData()); }
|
|
void addFile(SourceFile *, const char *k=0, bool own=true);
|
|
|
|
struct SourceFileNode {
|
|
SourceFileNode() : key(0), next(0), file(0), own_file(1) { }
|
|
~SourceFileNode() {
|
|
delete [] key;
|
|
if(own_file)
|
|
delete file;
|
|
}
|
|
char *key;
|
|
SourceFileNode *next;
|
|
SourceFile *file;
|
|
uint own_file : 1;
|
|
} **nodes;
|
|
int num_nodes;
|
|
};
|
|
SourceFiles::SourceFiles()
|
|
{
|
|
nodes = (SourceFileNode**)malloc(sizeof(SourceFileNode*)*(num_nodes=3037));
|
|
for(int n = 0; n < num_nodes; n++)
|
|
nodes[n] = 0;
|
|
}
|
|
|
|
SourceFiles::~SourceFiles()
|
|
{
|
|
for(int n = 0; n < num_nodes; n++) {
|
|
for(SourceFileNode *next = nodes[n]; next;) {
|
|
SourceFileNode *next_next = next->next;
|
|
delete next;
|
|
next = next_next;
|
|
}
|
|
}
|
|
free(nodes);
|
|
}
|
|
|
|
int SourceFiles::hash(const char *file)
|
|
{
|
|
uint h = 0, g;
|
|
while (*file) {
|
|
h = (h << 4) + *file;
|
|
if ((g = (h & 0xf0000000)) != 0)
|
|
h ^= g >> 23;
|
|
h &= ~g;
|
|
file++;
|
|
}
|
|
return h;
|
|
}
|
|
|
|
SourceFile *SourceFiles::lookupFile(const char *file)
|
|
{
|
|
int h = hash(file) % num_nodes;
|
|
for(SourceFileNode *p = nodes[h]; p; p = p->next) {
|
|
if(!strcmp(p->key, file))
|
|
return p->file;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void SourceFiles::addFile(SourceFile *p, const char *k, bool own_file)
|
|
{
|
|
const QByteArray ba = p->file.local().toLatin1();
|
|
if(!k)
|
|
k = ba.constData();
|
|
int h = hash(k) % num_nodes;
|
|
SourceFileNode *pn = new SourceFileNode;
|
|
pn->own_file = own_file;
|
|
pn->key = qstrdup(k);
|
|
pn->file = p;
|
|
pn->next = nodes[h];
|
|
nodes[h] = pn;
|
|
}
|
|
|
|
void QMakeSourceFileInfo::dependTreeWalker(SourceFile *node, SourceDependChildren *place)
|
|
{
|
|
if(node->traversed || !node->exists)
|
|
return;
|
|
place->addChild(node);
|
|
node->traversed = true; //set flag
|
|
if(node->deps) {
|
|
for(int i = 0; i < node->deps->used_nodes; i++)
|
|
dependTreeWalker(node->deps->children[i], place);
|
|
}
|
|
}
|
|
|
|
void QMakeSourceFileInfo::setDependencyPaths(const QList<QMakeLocalFileName> &l)
|
|
{
|
|
// Ensure that depdirs does not contain the same paths several times, to minimize the stats
|
|
QList<QMakeLocalFileName> ll;
|
|
for (int i = 0; i < l.count(); ++i) {
|
|
if (!ll.contains(l.at(i)))
|
|
ll.append(l.at(i));
|
|
}
|
|
depdirs = ll;
|
|
}
|
|
|
|
QStringList QMakeSourceFileInfo::dependencies(const QString &file)
|
|
{
|
|
QStringList ret;
|
|
if(!files)
|
|
return ret;
|
|
|
|
if(SourceFile *node = files->lookupFile(QMakeLocalFileName(file))) {
|
|
if(node->deps) {
|
|
/* I stick them into a SourceDependChildren here because it is faster to just
|
|
iterate over the list to stick them in the list, and reset the flag, then it is
|
|
to loop over the tree (about 50% faster I saw) --Sam */
|
|
SourceDependChildren place;
|
|
for(int i = 0; i < node->deps->used_nodes; i++)
|
|
dependTreeWalker(node->deps->children[i], &place);
|
|
if(place.children) {
|
|
for(int i = 0; i < place.used_nodes; i++) {
|
|
place.children[i]->traversed = false; //reset flag
|
|
ret.append(place.children[i]->file.real());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
QMakeSourceFileInfo::included(const QString &file)
|
|
{
|
|
if (!files)
|
|
return 0;
|
|
|
|
if(SourceFile *node = files->lookupFile(QMakeLocalFileName(file)))
|
|
return node->included_count;
|
|
return 0;
|
|
}
|
|
|
|
bool QMakeSourceFileInfo::mocable(const QString &file)
|
|
{
|
|
if(SourceFile *node = files->lookupFile(QMakeLocalFileName(file)))
|
|
return node->mocable;
|
|
return false;
|
|
}
|
|
|
|
QMakeSourceFileInfo::QMakeSourceFileInfo(const QString &cf)
|
|
{
|
|
//dep_mode
|
|
dep_mode = Recursive;
|
|
|
|
//quick project lookups
|
|
includes = files = 0;
|
|
files_changed = false;
|
|
|
|
//buffer
|
|
spare_buffer = 0;
|
|
spare_buffer_size = 0;
|
|
|
|
//cache
|
|
cachefile = cf;
|
|
if(!cachefile.isEmpty())
|
|
loadCache(cachefile);
|
|
}
|
|
|
|
QMakeSourceFileInfo::~QMakeSourceFileInfo()
|
|
{
|
|
//cache
|
|
if(!cachefile.isEmpty() /*&& files_changed*/)
|
|
saveCache(cachefile);
|
|
|
|
//buffer
|
|
if(spare_buffer) {
|
|
free(spare_buffer);
|
|
spare_buffer = 0;
|
|
spare_buffer_size = 0;
|
|
}
|
|
|
|
//quick project lookup
|
|
delete files;
|
|
delete includes;
|
|
}
|
|
|
|
void QMakeSourceFileInfo::setCacheFile(const QString &cf)
|
|
{
|
|
cachefile = cf;
|
|
loadCache(cachefile);
|
|
}
|
|
|
|
void QMakeSourceFileInfo::addSourceFiles(const ProStringList &l, uchar seek,
|
|
QMakeSourceFileInfo::SourceFileType type)
|
|
{
|
|
for(int i=0; i<l.size(); ++i)
|
|
addSourceFile(l.at(i).toQString(), seek, type);
|
|
}
|
|
void QMakeSourceFileInfo::addSourceFile(const QString &f, uchar seek,
|
|
QMakeSourceFileInfo::SourceFileType type)
|
|
{
|
|
if(!files)
|
|
files = new SourceFiles;
|
|
|
|
QMakeLocalFileName fn(f);
|
|
SourceFile *file = files->lookupFile(fn);
|
|
if(!file) {
|
|
file = new SourceFile;
|
|
file->file = fn;
|
|
files->addFile(file);
|
|
} else {
|
|
if(file->type != type && file->type != TYPE_UNKNOWN && type != TYPE_UNKNOWN)
|
|
warn_msg(WarnLogic, "%s is marked as %d, then %d!", f.toLatin1().constData(),
|
|
file->type, type);
|
|
}
|
|
if(type != TYPE_UNKNOWN)
|
|
file->type = type;
|
|
|
|
if(seek & SEEK_MOCS && !file->moc_checked)
|
|
findMocs(file);
|
|
if(seek & SEEK_DEPS && !file->dep_checked)
|
|
findDeps(file);
|
|
}
|
|
|
|
bool QMakeSourceFileInfo::containsSourceFile(const QString &f, SourceFileType type)
|
|
{
|
|
if(SourceFile *file = files->lookupFile(QMakeLocalFileName(f)))
|
|
return (file->type == type || file->type == TYPE_UNKNOWN || type == TYPE_UNKNOWN);
|
|
return false;
|
|
}
|
|
|
|
bool QMakeSourceFileInfo::isSystemInclude(const QString &name)
|
|
{
|
|
if (QDir::isRelativePath(name)) {
|
|
// if we got a relative path here, it's either an -I flag with a relative path
|
|
// or an include file we couldn't locate. Either way, conclude it's not
|
|
// a system include.
|
|
return false;
|
|
}
|
|
|
|
for (int i = 0; i < systemIncludes.size(); ++i) {
|
|
// check if name is located inside the system include dir:
|
|
QDir systemDir(systemIncludes.at(i));
|
|
QString relativePath = systemDir.relativeFilePath(name);
|
|
|
|
// the relative path might be absolute if we're crossing drives on Windows
|
|
if (QDir::isAbsolutePath(relativePath) || relativePath.startsWith("../"))
|
|
continue;
|
|
debug_msg(5, "File/dir %s is in system dir %s, skipping",
|
|
qPrintable(name), qPrintable(systemIncludes.at(i)));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
char *QMakeSourceFileInfo::getBuffer(int s) {
|
|
if(!spare_buffer || spare_buffer_size < s)
|
|
spare_buffer = (char *)realloc(spare_buffer, spare_buffer_size=s);
|
|
return spare_buffer;
|
|
}
|
|
|
|
#ifndef S_ISDIR
|
|
#define S_ISDIR(x) (x & _S_IFDIR)
|
|
#endif
|
|
|
|
QMakeLocalFileName QMakeSourceFileInfo::fixPathForFile(const QMakeLocalFileName &f, bool)
|
|
{
|
|
return f;
|
|
}
|
|
|
|
QMakeLocalFileName QMakeSourceFileInfo::findFileForDep(const QMakeLocalFileName &/*dep*/,
|
|
const QMakeLocalFileName &/*file*/)
|
|
{
|
|
return QMakeLocalFileName();
|
|
}
|
|
|
|
QFileInfo QMakeSourceFileInfo::findFileInfo(const QMakeLocalFileName &dep)
|
|
{
|
|
return QFileInfo(dep.real());
|
|
}
|
|
|
|
static int skipEscapedLineEnds(const char *buffer, int buffer_len, int offset, int *lines)
|
|
{
|
|
// Join physical lines to make logical lines, as in the C preprocessor
|
|
while (offset + 1 < buffer_len
|
|
&& buffer[offset] == '\\'
|
|
&& qmake_endOfLine(buffer[offset + 1])) {
|
|
offset += 2;
|
|
++*lines;
|
|
if (offset < buffer_len
|
|
&& buffer[offset - 1] == '\r'
|
|
&& buffer[offset] == '\n') // CRLF
|
|
offset++;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static bool matchWhileUnsplitting(const char *buffer, int buffer_len, int start,
|
|
const char *needle, int needle_len,
|
|
int *matchlen, int *lines)
|
|
{
|
|
int x = start;
|
|
for (int n = 0; n < needle_len;
|
|
n++, x = skipEscapedLineEnds(buffer, buffer_len, x + 1, lines)) {
|
|
if (x >= buffer_len || buffer[x] != needle[n])
|
|
return false;
|
|
}
|
|
// That also skipped any remaining BSNLs immediately after the match.
|
|
|
|
// Tell caller how long the match was:
|
|
*matchlen = x - start;
|
|
|
|
return true;
|
|
}
|
|
|
|
/* Advance from an opening quote at buffer[offset] to the matching close quote. */
|
|
static int scanPastString(char *buffer, int buffer_len, int offset, int *lines)
|
|
{
|
|
// It might be a C++11 raw string.
|
|
bool israw = false;
|
|
if (buffer[offset] == '"' && offset > 0) {
|
|
int explore = offset - 1;
|
|
while (explore > 0 && buffer[explore] != 'R') {
|
|
if (buffer[explore] == '8' || buffer[explore] == 'u' || buffer[explore] == 'U') {
|
|
explore--;
|
|
} else if (explore > 1 && qmake_endOfLine(buffer[explore])
|
|
&& buffer[explore - 1] == '\\') {
|
|
explore -= 2;
|
|
} else if (explore > 2 && buffer[explore] == '\n'
|
|
&& buffer[explore - 1] == '\r'
|
|
&& buffer[explore - 2] == '\\') {
|
|
explore -= 3;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
israw = (buffer[explore] == 'R');
|
|
}
|
|
|
|
if (israw) {
|
|
#define SKIP_BSNL(pos) skipEscapedLineEnds(buffer, buffer_len, (pos), lines)
|
|
|
|
offset = SKIP_BSNL(offset + 1);
|
|
const char *const delim = buffer + offset;
|
|
int clean = offset;
|
|
while (offset < buffer_len && buffer[offset] != '(') {
|
|
if (clean < offset)
|
|
buffer[clean++] = buffer[offset];
|
|
else
|
|
clean++;
|
|
|
|
offset = SKIP_BSNL(offset + 1);
|
|
}
|
|
/*
|
|
Not checking correctness (trust real compiler to do that):
|
|
- no controls, spaces, '(', ')', '\\' or (presumably) '"' in delim;
|
|
- at most 16 bytes in delim
|
|
|
|
Raw strings are surely defined after phase 2, when BSNLs are resolved;
|
|
so the delimiter's exclusion of '\\' and space (including newlines)
|
|
applies too late to save us the need to cope with BSNLs in it.
|
|
*/
|
|
|
|
const int delimlen = buffer + clean - delim;
|
|
int matchlen = delimlen, extralines = 0;
|
|
while ((offset = SKIP_BSNL(offset + 1)) < buffer_len
|
|
&& (buffer[offset] != ')'
|
|
|| (delimlen > 0 &&
|
|
!matchWhileUnsplitting(buffer, buffer_len,
|
|
offset + 1, delim, delimlen,
|
|
&matchlen, &extralines))
|
|
|| buffer[offset + 1 + matchlen] != '"')) {
|
|
// skip, but keep track of lines
|
|
if (qmake_endOfLine(buffer[offset]))
|
|
++*lines;
|
|
extralines = 0;
|
|
}
|
|
*lines += extralines; // from the match
|
|
// buffer[offset] is ')'
|
|
offset += 1 + matchlen; // 1 for ')', then delim
|
|
// buffer[offset] is '"'
|
|
|
|
#undef SKIP_BSNL
|
|
} else { // Traditional string or char literal:
|
|
const char term = buffer[offset];
|
|
while (++offset < buffer_len && buffer[offset] != term) {
|
|
if (buffer[offset] == '\\')
|
|
++offset;
|
|
else if (qmake_endOfLine(buffer[offset]))
|
|
++*lines;
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
bool QMakeSourceFileInfo::findDeps(SourceFile *file)
|
|
{
|
|
if(file->dep_checked || file->type == TYPE_UNKNOWN)
|
|
return true;
|
|
files_changed = true;
|
|
file->dep_checked = true;
|
|
|
|
const QMakeLocalFileName sourceFile = fixPathForFile(file->file, true);
|
|
|
|
struct stat fst;
|
|
char *buffer = 0;
|
|
int buffer_len = 0;
|
|
{
|
|
int fd;
|
|
#if defined(_MSC_VER) && _MSC_VER >= 1400
|
|
if (_sopen_s(&fd, sourceFile.local().toLatin1().constData(),
|
|
_O_RDONLY, _SH_DENYNO, _S_IREAD) != 0)
|
|
fd = -1;
|
|
#else
|
|
fd = open(sourceFile.local().toLatin1().constData(), O_RDONLY);
|
|
#endif
|
|
if (fd == -1 || fstat(fd, &fst) || S_ISDIR(fst.st_mode)) {
|
|
if (fd != -1)
|
|
QT_CLOSE(fd);
|
|
return false;
|
|
}
|
|
buffer = getBuffer(fst.st_size);
|
|
for(int have_read = 0;
|
|
(have_read = QT_READ(fd, buffer + buffer_len, fst.st_size - buffer_len));
|
|
buffer_len += have_read) ;
|
|
QT_CLOSE(fd);
|
|
}
|
|
if(!buffer)
|
|
return false;
|
|
if(!file->deps)
|
|
file->deps = new SourceDependChildren;
|
|
|
|
int line_count = 1;
|
|
enum {
|
|
/*
|
|
States of C preprocessing (for TYPE_C only), after backslash-newline
|
|
elimination and skipping comments and spaces (i.e. in ANSI X3.159-1989
|
|
section 2.1.1.2's phase 4). We're about to study buffer[x] to decide
|
|
on which transition to do.
|
|
*/
|
|
AtStart, // start of logical line; a # may start a preprocessor directive
|
|
HadHash, // saw a # at start, looking for preprocessor keyword
|
|
WantName, // saw #include or #import, waiting for name
|
|
InCode // after directive, parsing non-#include directive or in actual code
|
|
} cpp_state = AtStart;
|
|
|
|
int x = 0;
|
|
if (buffer_len >= 3) {
|
|
const unsigned char *p = (unsigned char *)buffer;
|
|
// skip UTF-8 BOM, if present
|
|
if (p[0] == 0xEF && p[1] == 0xBB && p[2] == 0xBF)
|
|
x += 3;
|
|
}
|
|
for (; x < buffer_len; ++x) {
|
|
bool try_local = true;
|
|
char *inc = 0;
|
|
if(file->type == QMakeSourceFileInfo::TYPE_UI) {
|
|
// skip whitespaces
|
|
while (x < buffer_len && (buffer[x] == ' ' || buffer[x] == '\t'))
|
|
++x;
|
|
if (buffer[x] == '<') {
|
|
++x;
|
|
if (buffer_len >= x + 12 && !strncmp(buffer + x, "includehint", 11) &&
|
|
(buffer[x + 11] == ' ' || buffer[x + 11] == '>')) {
|
|
for (x += 11; x < buffer_len && buffer[x] != '>'; ++x) {} // skip
|
|
int inc_len = 0;
|
|
for (++x; x + inc_len < buffer_len && buffer[x + inc_len] != '<'; ++inc_len) {} // skip
|
|
if (x + inc_len < buffer_len) {
|
|
buffer[x + inc_len] = '\0';
|
|
inc = buffer + x;
|
|
}
|
|
} else if (buffer_len >= x + 13 && !strncmp(buffer + x, "customwidget", 12) &&
|
|
(buffer[x + 12] == ' ' || buffer[x + 12] == '>')) {
|
|
for (x += 13; x < buffer_len && buffer[x] != '>'; ++x) {} // skip up to >
|
|
while(x < buffer_len) {
|
|
while (++x < buffer_len && buffer[x] != '<') {} // skip up to <
|
|
x++;
|
|
if(buffer_len >= x + 7 && !strncmp(buffer+x, "header", 6) &&
|
|
(buffer[x + 6] == ' ' || buffer[x + 6] == '>')) {
|
|
for (x += 7; x < buffer_len && buffer[x] != '>'; ++x) {} // skip up to >
|
|
int inc_len = 0;
|
|
for (++x; x + inc_len < buffer_len && buffer[x + inc_len] != '<';
|
|
++inc_len) {} // skip
|
|
if (x + inc_len < buffer_len) {
|
|
buffer[x + inc_len] = '\0';
|
|
inc = buffer + x;
|
|
}
|
|
break;
|
|
} else if(buffer_len >= x + 14 && !strncmp(buffer+x, "/customwidget", 13) &&
|
|
(buffer[x + 13] == ' ' || buffer[x + 13] == '>')) {
|
|
x += 14;
|
|
break;
|
|
}
|
|
}
|
|
} else if(buffer_len >= x + 8 && !strncmp(buffer + x, "include", 7) &&
|
|
(buffer[x + 7] == ' ' || buffer[x + 7] == '>')) {
|
|
for (x += 8; x < buffer_len && buffer[x] != '>'; ++x) {
|
|
if (buffer_len >= x + 9 && buffer[x] == 'i' &&
|
|
!strncmp(buffer + x, "impldecl", 8)) {
|
|
for (x += 8; x < buffer_len && buffer[x] != '='; ++x) {} // skip
|
|
while (++x < buffer_len && (buffer[x] == '\t' || buffer[x] == ' ')) {} // skip
|
|
char quote = 0;
|
|
if (x < buffer_len && (buffer[x] == '\'' || buffer[x] == '"')) {
|
|
quote = buffer[x];
|
|
++x;
|
|
}
|
|
int val_len;
|
|
for (val_len = 0; x + val_len < buffer_len; ++val_len) {
|
|
if(quote) {
|
|
if (buffer[x + val_len] == quote)
|
|
break;
|
|
} else if (buffer[x + val_len] == '>' ||
|
|
buffer[x + val_len] == ' ') {
|
|
break;
|
|
}
|
|
}
|
|
//? char saved = buffer[x + val_len];
|
|
if (x + val_len < buffer_len) {
|
|
buffer[x + val_len] = '\0';
|
|
if (!strcmp(buffer + x, "in implementation")) {
|
|
//### do this
|
|
}
|
|
}
|
|
}
|
|
}
|
|
int inc_len = 0;
|
|
for (++x; x + inc_len < buffer_len && buffer[x + inc_len] != '<';
|
|
++inc_len) {} // skip
|
|
|
|
if (x + inc_len < buffer_len) {
|
|
buffer[x + inc_len] = '\0';
|
|
inc = buffer + x;
|
|
}
|
|
}
|
|
}
|
|
//read past new line now..
|
|
for (; x < buffer_len && !qmake_endOfLine(buffer[x]); ++x) {} // skip
|
|
++line_count;
|
|
} else if(file->type == QMakeSourceFileInfo::TYPE_QRC) {
|
|
} else if(file->type == QMakeSourceFileInfo::TYPE_C) {
|
|
// We've studied all buffer[i] for i < x
|
|
for (; x < buffer_len; ++x) {
|
|
// How to handle backslash-newline (BSNL) pairs:
|
|
#define SKIP_BSNL(pos) skipEscapedLineEnds(buffer, buffer_len, (pos), &line_count)
|
|
|
|
// Seek code or directive, skipping comments and space:
|
|
for (; (x = SKIP_BSNL(x)) < buffer_len; ++x) {
|
|
if (buffer[x] == ' ' || buffer[x] == '\t') {
|
|
// keep going
|
|
} else if (buffer[x] == '/') {
|
|
int extralines = 0;
|
|
int y = skipEscapedLineEnds(buffer, buffer_len, x + 1, &extralines);
|
|
if (y >= buffer_len) {
|
|
x = y;
|
|
break;
|
|
} else if (buffer[y] == '/') { // C++-style comment
|
|
line_count += extralines;
|
|
x = SKIP_BSNL(y + 1);
|
|
while (x < buffer_len && !qmake_endOfLine(buffer[x]))
|
|
x = SKIP_BSNL(x + 1); // skip
|
|
|
|
cpp_state = AtStart;
|
|
++line_count;
|
|
} else if (buffer[y] == '*') { // C-style comment
|
|
line_count += extralines;
|
|
x = y;
|
|
while ((x = SKIP_BSNL(++x)) < buffer_len) {
|
|
if (buffer[x] == '*') {
|
|
extralines = 0;
|
|
y = skipEscapedLineEnds(buffer, buffer_len,
|
|
x + 1, &extralines);
|
|
if (y < buffer_len && buffer[y] == '/') {
|
|
line_count += extralines;
|
|
x = y; // for loop shall step past this
|
|
break;
|
|
}
|
|
} else if (qmake_endOfLine(buffer[x])) {
|
|
++line_count;
|
|
}
|
|
}
|
|
} else {
|
|
// buffer[x] is the division operator
|
|
break;
|
|
}
|
|
} else if (qmake_endOfLine(buffer[x])) {
|
|
++line_count;
|
|
cpp_state = AtStart;
|
|
} else {
|
|
/* Drop out of phases 1, 2, 3, into phase 4 */
|
|
break;
|
|
}
|
|
}
|
|
// Phase 4 study of buffer[x]:
|
|
|
|
if(x >= buffer_len)
|
|
break;
|
|
|
|
switch (cpp_state) {
|
|
case HadHash:
|
|
{
|
|
// Read keyword; buffer[x] starts first preprocessing token after #
|
|
const char *const keyword = buffer + x;
|
|
int clean = x;
|
|
while (x < buffer_len && buffer[x] >= 'a' && buffer[x] <= 'z') {
|
|
// skip over keyword, consolidating it if it contains BSNLs
|
|
// (see WantName's similar code consolidating inc, below)
|
|
if (clean < x)
|
|
buffer[clean++] = buffer[x];
|
|
else
|
|
clean++;
|
|
|
|
x = SKIP_BSNL(x + 1);
|
|
}
|
|
const int keyword_len = buffer + clean - keyword;
|
|
x--; // Still need to study buffer[x] next time round for loop.
|
|
|
|
cpp_state =
|
|
((keyword_len == 7 && !strncmp(keyword, "include", 7)) // C & Obj-C
|
|
|| (keyword_len == 6 && !strncmp(keyword, "import", 6))) // Obj-C
|
|
? WantName : InCode;
|
|
break;
|
|
}
|
|
|
|
case WantName:
|
|
{
|
|
char term = buffer[x];
|
|
if (term == '<') {
|
|
try_local = false;
|
|
term = '>';
|
|
} else if (term != '"') {
|
|
/*
|
|
Possibly malformed, but this may be something like:
|
|
#include IDENTIFIER
|
|
which does work, if #define IDENTIFIER "filename" is
|
|
in effect. This is beyond this noddy preprocessor's
|
|
powers of tracking. So give up and resume searching
|
|
for a directive. We haven't made sense of buffer[x],
|
|
so back up to ensure we do study it (now as code) next
|
|
time round the loop.
|
|
*/
|
|
x--;
|
|
cpp_state = InCode;
|
|
continue;
|
|
}
|
|
|
|
x = SKIP_BSNL(x + 1);
|
|
inc = buffer + x;
|
|
int clean = x; // offset if we need to clear \-newlines
|
|
for (; x < buffer_len && buffer[x] != term; x = SKIP_BSNL(x + 1)) {
|
|
if (qmake_endOfLine(buffer[x])) { // malformed
|
|
cpp_state = AtStart;
|
|
++line_count;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
If we do skip any BSNLs, we need to consolidate the
|
|
surviving text by copying to lower indices. For that
|
|
to be possible, we also have to keep 'clean' advanced
|
|
in step with x even when we've yet to see any BSNLs.
|
|
*/
|
|
if (clean < x)
|
|
buffer[clean++] = buffer[x];
|
|
else
|
|
clean++;
|
|
}
|
|
if (cpp_state == WantName)
|
|
buffer[clean] = '\0';
|
|
else // i.e. malformed
|
|
inc = 0;
|
|
|
|
cpp_state = InCode; // hereafter
|
|
break;
|
|
}
|
|
|
|
case AtStart:
|
|
// Preprocessor directive?
|
|
if (buffer[x] == '#') {
|
|
cpp_state = HadHash;
|
|
break;
|
|
}
|
|
cpp_state = InCode;
|
|
// ... and fall through to handle buffer[x] as such.
|
|
case InCode:
|
|
// matching quotes (string literals and character literals)
|
|
if (buffer[x] == '\'' || buffer[x] == '"') {
|
|
x = scanPastString(buffer, buffer_len, x, &line_count);
|
|
// for loop's ++x shall step over the closing quote.
|
|
}
|
|
// else: buffer[x] is just some code; move on.
|
|
break;
|
|
}
|
|
|
|
if (inc) // We were in WantName and found a name.
|
|
break;
|
|
#undef SKIP_BSNL
|
|
}
|
|
if(x >= buffer_len)
|
|
break;
|
|
}
|
|
|
|
if(inc) {
|
|
if(!includes)
|
|
includes = new SourceFiles;
|
|
SourceFile *dep = includes->lookupFile(inc);
|
|
if(!dep) {
|
|
bool exists = false;
|
|
QMakeLocalFileName lfn(inc);
|
|
if(QDir::isRelativePath(lfn.real())) {
|
|
if(try_local) {
|
|
QDir sourceDir = findFileInfo(sourceFile).dir();
|
|
QMakeLocalFileName f(sourceDir.absoluteFilePath(lfn.local()));
|
|
if(findFileInfo(f).exists()) {
|
|
lfn = fixPathForFile(f);
|
|
exists = true;
|
|
}
|
|
}
|
|
if(!exists) { //path lookup
|
|
for(QList<QMakeLocalFileName>::Iterator it = depdirs.begin(); it != depdirs.end(); ++it) {
|
|
QMakeLocalFileName f((*it).real() + Option::dir_sep + lfn.real());
|
|
QFileInfo fi(findFileInfo(f));
|
|
if(fi.exists() && !fi.isDir()) {
|
|
lfn = fixPathForFile(f);
|
|
exists = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(!exists) { //heuristic lookup
|
|
lfn = findFileForDep(QMakeLocalFileName(inc), file->file);
|
|
if((exists = !lfn.isNull()))
|
|
lfn = fixPathForFile(lfn);
|
|
}
|
|
} else {
|
|
exists = QFile::exists(lfn.real());
|
|
}
|
|
if (!lfn.isNull() && !isSystemInclude(lfn.real())) {
|
|
dep = files->lookupFile(lfn);
|
|
if(!dep) {
|
|
dep = new SourceFile;
|
|
dep->file = lfn;
|
|
dep->type = QMakeSourceFileInfo::TYPE_C;
|
|
files->addFile(dep);
|
|
includes->addFile(dep, inc, false);
|
|
}
|
|
dep->exists = exists;
|
|
}
|
|
}
|
|
if(dep && dep->file != file->file) {
|
|
dep->included_count++;
|
|
if(dep->exists) {
|
|
debug_msg(5, "%s:%d Found dependency to %s", file->file.real().toLatin1().constData(),
|
|
line_count, dep->file.local().toLatin1().constData());
|
|
file->deps->addChild(dep);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(dependencyMode() == Recursive) { //done last because buffer is shared
|
|
for(int i = 0; i < file->deps->used_nodes; i++) {
|
|
if(!file->deps->children[i]->deps)
|
|
findDeps(file->deps->children[i]);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool isCWordChar(char c) {
|
|
return c == '_'
|
|
|| (c >= 'a' && c <= 'z')
|
|
|| (c >= 'A' && c <= 'Z')
|
|
|| (c >= '0' && c <= '9');
|
|
}
|
|
|
|
bool QMakeSourceFileInfo::findMocs(SourceFile *file)
|
|
{
|
|
if(file->moc_checked)
|
|
return true;
|
|
files_changed = true;
|
|
file->moc_checked = true;
|
|
|
|
int buffer_len = 0;
|
|
char *buffer = 0;
|
|
{
|
|
struct stat fst;
|
|
int fd;
|
|
#if defined(_MSC_VER) && _MSC_VER >= 1400
|
|
if (_sopen_s(&fd, fixPathForFile(file->file, true).local().toLocal8Bit().constData(),
|
|
_O_RDONLY, _SH_DENYNO, _S_IREAD) != 0)
|
|
fd = -1;
|
|
#else
|
|
fd = open(fixPathForFile(file->file, true).local().toLocal8Bit().constData(), O_RDONLY);
|
|
#endif
|
|
if (fd == -1 || fstat(fd, &fst) || S_ISDIR(fst.st_mode)) {
|
|
if (fd != -1)
|
|
QT_CLOSE(fd);
|
|
return false; //shouldn't happen
|
|
}
|
|
buffer = getBuffer(fst.st_size);
|
|
while (int have_read = QT_READ(fd, buffer + buffer_len, fst.st_size - buffer_len))
|
|
buffer_len += have_read;
|
|
|
|
QT_CLOSE(fd);
|
|
}
|
|
|
|
debug_msg(2, "findMocs: %s", file->file.local().toLatin1().constData());
|
|
int line_count = 1;
|
|
bool ignore[2] = { false, false }; // [0] for Q_OBJECT, [1] for Q_GADGET
|
|
/* qmake ignore Q_GADGET */
|
|
/* qmake ignore Q_OBJECT */
|
|
for(int x = 0; x < buffer_len; x++) {
|
|
#define SKIP_BSNL(pos) skipEscapedLineEnds(buffer, buffer_len, (pos), &line_count)
|
|
x = SKIP_BSNL(x);
|
|
if (buffer[x] == '/') {
|
|
int extralines = 0;
|
|
int y = skipEscapedLineEnds(buffer, buffer_len, x + 1, &extralines);
|
|
if (buffer_len > y) {
|
|
// If comment, advance to the character that ends it:
|
|
if (buffer[y] == '/') { // C++-style comment
|
|
line_count += extralines;
|
|
x = y;
|
|
do {
|
|
x = SKIP_BSNL(x + 1);
|
|
} while (x < buffer_len && !qmake_endOfLine(buffer[x]));
|
|
|
|
} else if (buffer[y] == '*') { // C-style comment
|
|
line_count += extralines;
|
|
x = SKIP_BSNL(y + 1);
|
|
for (; x < buffer_len; x = SKIP_BSNL(x + 1)) {
|
|
if (buffer[x] == 't' || buffer[x] == 'q') { // ignore
|
|
if(buffer_len >= (x + 20) &&
|
|
!strncmp(buffer + x + 1, "make ignore Q_OBJECT", 20)) {
|
|
debug_msg(2, "Mocgen: %s:%d Found \"qmake ignore Q_OBJECT\"",
|
|
file->file.real().toLatin1().constData(), line_count);
|
|
x += 20;
|
|
ignore[0] = true;
|
|
} else if(buffer_len >= (x + 20) &&
|
|
!strncmp(buffer + x + 1, "make ignore Q_GADGET", 20)) {
|
|
debug_msg(2, "Mocgen: %s:%d Found \"qmake ignore Q_GADGET\"",
|
|
file->file.real().toLatin1().constData(), line_count);
|
|
x += 20;
|
|
ignore[1] = true;
|
|
}
|
|
} else if (buffer[x] == '*') {
|
|
extralines = 0;
|
|
y = skipEscapedLineEnds(buffer, buffer_len, x + 1, &extralines);
|
|
if (buffer_len > y && buffer[y] == '/') {
|
|
line_count += extralines;
|
|
x = y;
|
|
break;
|
|
}
|
|
} else if (Option::debug_level && qmake_endOfLine(buffer[x])) {
|
|
++line_count;
|
|
}
|
|
}
|
|
}
|
|
// else: don't update x, buffer[x] is just the division operator.
|
|
}
|
|
} else if (buffer[x] == '\'' || buffer[x] == '"') {
|
|
x = scanPastString(buffer, buffer_len, x, &line_count);
|
|
// Leaves us on closing quote; for loop's x++ steps us past it.
|
|
}
|
|
|
|
if (x < buffer_len && Option::debug_level && qmake_endOfLine(buffer[x]))
|
|
++line_count;
|
|
if (buffer_len > x + 8 && !isCWordChar(buffer[x])) {
|
|
int morelines = 0;
|
|
int y = skipEscapedLineEnds(buffer, buffer_len, x + 1, &morelines);
|
|
if (buffer[y] == 'Q') {
|
|
static const char interesting[][9] = { "Q_OBJECT", "Q_GADGET" };
|
|
for (int interest = 0; interest < 2; ++interest) {
|
|
if (ignore[interest])
|
|
continue;
|
|
|
|
int matchlen = 0, extralines = 0;
|
|
if (matchWhileUnsplitting(buffer, buffer_len, y,
|
|
interesting[interest],
|
|
strlen(interesting[interest]),
|
|
&matchlen, &extralines)
|
|
&& y + matchlen < buffer_len
|
|
&& !isCWordChar(buffer[y + matchlen])) {
|
|
if (Option::debug_level) {
|
|
buffer[y + matchlen] = '\0';
|
|
debug_msg(2, "Mocgen: %s:%d Found MOC symbol %s",
|
|
file->file.real().toLatin1().constData(),
|
|
line_count + morelines, buffer + y);
|
|
}
|
|
file->mocable = true;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#undef SKIP_BSNL
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
void QMakeSourceFileInfo::saveCache(const QString &cf)
|
|
{
|
|
#ifdef QMAKE_USE_CACHE
|
|
if(cf.isEmpty())
|
|
return;
|
|
|
|
QFile file(QMakeLocalFileName(cf).local());
|
|
if(file.open(QIODevice::WriteOnly)) {
|
|
QTextStream stream(&file);
|
|
stream << qmake_version() << endl << endl; //version
|
|
{ //cache verification
|
|
QMap<QString, QStringList> verify = getCacheVerification();
|
|
stream << verify.count() << endl;
|
|
for(QMap<QString, QStringList>::iterator it = verify.begin();
|
|
it != verify.end(); ++it) {
|
|
stream << it.key() << endl << it.value().join(';') << endl;
|
|
}
|
|
stream << endl;
|
|
}
|
|
if(files->nodes) {
|
|
for(int file = 0; file < files->num_nodes; ++file) {
|
|
for(SourceFiles::SourceFileNode *node = files->nodes[file]; node; node = node->next) {
|
|
stream << node->file->file.local() << endl; //source
|
|
stream << node->file->type << endl; //type
|
|
|
|
//depends
|
|
stream << ";";
|
|
if(node->file->deps) {
|
|
for(int depend = 0; depend < node->file->deps->used_nodes; ++depend) {
|
|
if(depend)
|
|
stream << ";";
|
|
stream << node->file->deps->children[depend]->file.local();
|
|
}
|
|
}
|
|
stream << endl;
|
|
|
|
stream << node->file->mocable << endl; //mocable
|
|
stream << endl; //just for human readability
|
|
}
|
|
}
|
|
}
|
|
stream.flush();
|
|
file.close();
|
|
}
|
|
#else
|
|
Q_UNUSED(cf);
|
|
#endif
|
|
}
|
|
|
|
void QMakeSourceFileInfo::loadCache(const QString &cf)
|
|
{
|
|
if(cf.isEmpty())
|
|
return;
|
|
|
|
#ifdef QMAKE_USE_CACHE
|
|
QMakeLocalFileName cache_file(cf);
|
|
int fd = open(QMakeLocalFileName(cf).local().toLatin1(), O_RDONLY);
|
|
if(fd == -1)
|
|
return;
|
|
QFileInfo cache_fi = findFileInfo(cache_file);
|
|
if(!cache_fi.exists() || cache_fi.isDir())
|
|
return;
|
|
|
|
QFile file;
|
|
if(!file.open(QIODevice::ReadOnly, fd))
|
|
return;
|
|
QTextStream stream(&file);
|
|
|
|
if(stream.readLine() == qmake_version()) { //version check
|
|
stream.skipWhiteSpace();
|
|
|
|
bool verified = true;
|
|
{ //cache verification
|
|
QMap<QString, QStringList> verify;
|
|
int len = stream.readLine().toInt();
|
|
for(int i = 0; i < len; ++i) {
|
|
QString var = stream.readLine();
|
|
QString val = stream.readLine();
|
|
verify.insert(var, val.split(';', QString::SkipEmptyParts));
|
|
}
|
|
verified = verifyCache(verify);
|
|
}
|
|
if(verified) {
|
|
stream.skipWhiteSpace();
|
|
if(!files)
|
|
files = new SourceFiles;
|
|
while(!stream.atEnd()) {
|
|
QString source = stream.readLine();
|
|
QString type = stream.readLine();
|
|
QString depends = stream.readLine();
|
|
QString mocable = stream.readLine();
|
|
stream.skipWhiteSpace();
|
|
|
|
QMakeLocalFileName fn(source);
|
|
QFileInfo fi = findFileInfo(fn);
|
|
|
|
SourceFile *file = files->lookupFile(fn);
|
|
if(!file) {
|
|
file = new SourceFile;
|
|
file->file = fn;
|
|
files->addFile(file);
|
|
file->type = (SourceFileType)type.toInt();
|
|
file->exists = fi.exists();
|
|
}
|
|
if(fi.exists() && fi.lastModified() < cache_fi.lastModified()) {
|
|
if(!file->dep_checked) { //get depends
|
|
if(!file->deps)
|
|
file->deps = new SourceDependChildren;
|
|
file->dep_checked = true;
|
|
QStringList depend_list = depends.split(";", QString::SkipEmptyParts);
|
|
for(int depend = 0; depend < depend_list.size(); ++depend) {
|
|
QMakeLocalFileName dep_fn(depend_list.at(depend));
|
|
QFileInfo dep_fi(findFileInfo(dep_fn));
|
|
SourceFile *dep = files->lookupFile(dep_fn);
|
|
if(!dep) {
|
|
dep = new SourceFile;
|
|
dep->file = dep_fn;
|
|
dep->exists = dep_fi.exists();
|
|
dep->type = QMakeSourceFileInfo::TYPE_UNKNOWN;
|
|
files->addFile(dep);
|
|
}
|
|
dep->included_count++;
|
|
file->deps->addChild(dep);
|
|
}
|
|
}
|
|
if(!file->moc_checked) { //get mocs
|
|
file->moc_checked = true;
|
|
file->mocable = mocable.toInt();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
QMap<QString, QStringList> QMakeSourceFileInfo::getCacheVerification()
|
|
{
|
|
return QMap<QString, QStringList>();
|
|
}
|
|
|
|
bool QMakeSourceFileInfo::verifyCache(const QMap<QString, QStringList> &v)
|
|
{
|
|
return v == getCacheVerification();
|
|
}
|
|
|
|
QT_END_NAMESPACE
|