1041 lines
40 KiB
C++
1041 lines
40 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Copyright (C) 2016 Intel Corporation.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the qmake application of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "makefiledeps.h"
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#include "option.h"
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#include <qdir.h>
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#include <qdatetime.h>
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#include <qfileinfo.h>
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#include <qbuffer.h>
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#include <qplatformdefs.h>
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#if defined(Q_OS_UNIX)
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# include <unistd.h>
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#else
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# include <io.h>
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#endif
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#include <qdebug.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <limits.h>
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#if defined(_MSC_VER) && _MSC_VER >= 1400
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#include <share.h>
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#endif
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QT_BEGIN_NAMESPACE
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// FIXME: a line ending in CRLF gets counted as two lines.
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#if 1
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#define qmake_endOfLine(c) (c == '\r' || c == '\n')
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#else
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inline bool qmake_endOfLine(const char &c) { return (c == '\r' || c == '\n'); }
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#endif
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QMakeLocalFileName::QMakeLocalFileName(const QString &name) : is_null(name.isNull())
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{
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if(!name.isEmpty()) {
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if(name.at(0) == QLatin1Char('"') && name.at(name.length()-2) == QLatin1Char('"'))
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real_name = name.mid(1, name.length()-2);
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else
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real_name = name;
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}
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}
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const QString
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&QMakeLocalFileName::local() const
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{
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if(!is_null && local_name.isNull())
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local_name = Option::normalizePath(real_name);
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return local_name;
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}
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struct SourceDependChildren;
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struct SourceFile {
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SourceFile() : deps(nullptr), type(QMakeSourceFileInfo::TYPE_UNKNOWN),
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mocable(0), traversed(0), exists(1),
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moc_checked(0), dep_checked(0), included_count(0) { }
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~SourceFile();
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QMakeLocalFileName file;
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SourceDependChildren *deps;
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QMakeSourceFileInfo::SourceFileType type;
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uint mocable : 1, traversed : 1, exists : 1;
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uint moc_checked : 1, dep_checked : 1;
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uchar included_count;
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};
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struct SourceDependChildren {
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SourceFile **children;
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int num_nodes, used_nodes;
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SourceDependChildren() : children(nullptr), num_nodes(0), used_nodes(0) { }
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~SourceDependChildren() { if (children) free(children); children = nullptr; }
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void addChild(SourceFile *s) {
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if(num_nodes <= used_nodes) {
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num_nodes += 200;
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children = (SourceFile**)realloc(children, sizeof(SourceFile*)*(num_nodes));
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}
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children[used_nodes++] = s;
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}
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};
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SourceFile::~SourceFile() { delete deps; }
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class SourceFiles {
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int hash(const char *);
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public:
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SourceFiles();
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~SourceFiles();
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SourceFile *lookupFile(const char *);
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inline SourceFile *lookupFile(const QString &f) { return lookupFile(f.toLatin1().constData()); }
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inline SourceFile *lookupFile(const QMakeLocalFileName &f) { return lookupFile(f.local().toLatin1().constData()); }
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void addFile(SourceFile *, const char *k = nullptr, bool own = true);
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struct SourceFileNode {
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SourceFileNode() : key(nullptr), next(nullptr), file(nullptr), own_file(1) { }
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~SourceFileNode() {
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delete [] key;
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if(own_file)
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delete file;
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}
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char *key;
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SourceFileNode *next;
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SourceFile *file;
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uint own_file : 1;
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} **nodes;
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int num_nodes;
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};
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SourceFiles::SourceFiles()
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{
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nodes = (SourceFileNode**)malloc(sizeof(SourceFileNode*)*(num_nodes=3037));
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for(int n = 0; n < num_nodes; n++)
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nodes[n] = nullptr;
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}
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SourceFiles::~SourceFiles()
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{
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for(int n = 0; n < num_nodes; n++) {
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for(SourceFileNode *next = nodes[n]; next;) {
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SourceFileNode *next_next = next->next;
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delete next;
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next = next_next;
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}
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}
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free(nodes);
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}
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int SourceFiles::hash(const char *file)
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{
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uint h = 0, g;
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while (*file) {
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h = (h << 4) + *file;
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if ((g = (h & 0xf0000000)) != 0)
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h ^= g >> 23;
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h &= ~g;
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file++;
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}
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return h;
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}
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SourceFile *SourceFiles::lookupFile(const char *file)
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{
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int h = hash(file) % num_nodes;
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for(SourceFileNode *p = nodes[h]; p; p = p->next) {
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if(!strcmp(p->key, file))
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return p->file;
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}
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return nullptr;
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}
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void SourceFiles::addFile(SourceFile *p, const char *k, bool own_file)
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{
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const QByteArray ba = p->file.local().toLatin1();
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if(!k)
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k = ba.constData();
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int h = hash(k) % num_nodes;
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SourceFileNode *pn = new SourceFileNode;
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pn->own_file = own_file;
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pn->key = qstrdup(k);
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pn->file = p;
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pn->next = nodes[h];
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nodes[h] = pn;
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}
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void QMakeSourceFileInfo::dependTreeWalker(SourceFile *node, SourceDependChildren *place)
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{
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if(node->traversed || !node->exists)
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return;
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place->addChild(node);
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node->traversed = true; //set flag
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if(node->deps) {
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for(int i = 0; i < node->deps->used_nodes; i++)
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dependTreeWalker(node->deps->children[i], place);
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}
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}
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void QMakeSourceFileInfo::setDependencyPaths(const QVector<QMakeLocalFileName> &l)
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{
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// Ensure that depdirs does not contain the same paths several times, to minimize the stats
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QVector<QMakeLocalFileName> ll;
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for (int i = 0; i < l.count(); ++i) {
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if (!ll.contains(l.at(i)))
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ll.append(l.at(i));
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}
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depdirs = ll;
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}
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QStringList QMakeSourceFileInfo::dependencies(const QString &file)
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{
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QStringList ret;
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if(!files)
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return ret;
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if(SourceFile *node = files->lookupFile(QMakeLocalFileName(file))) {
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if(node->deps) {
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/* I stick them into a SourceDependChildren here because it is faster to just
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iterate over the list to stick them in the list, and reset the flag, then it is
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to loop over the tree (about 50% faster I saw) --Sam */
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SourceDependChildren place;
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for(int i = 0; i < node->deps->used_nodes; i++)
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dependTreeWalker(node->deps->children[i], &place);
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if(place.children) {
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for(int i = 0; i < place.used_nodes; i++) {
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place.children[i]->traversed = false; //reset flag
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ret.append(place.children[i]->file.real());
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}
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}
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}
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}
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return ret;
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}
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int
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QMakeSourceFileInfo::included(const QString &file)
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{
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if (!files)
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return 0;
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if(SourceFile *node = files->lookupFile(QMakeLocalFileName(file)))
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return node->included_count;
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return 0;
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}
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bool QMakeSourceFileInfo::mocable(const QString &file)
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{
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if(SourceFile *node = files->lookupFile(QMakeLocalFileName(file)))
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return node->mocable;
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return false;
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}
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QMakeSourceFileInfo::QMakeSourceFileInfo(const QString &cf)
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{
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//dep_mode
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dep_mode = Recursive;
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//quick project lookups
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includes = files = nullptr;
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files_changed = false;
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//buffer
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spare_buffer = nullptr;
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spare_buffer_size = 0;
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}
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QMakeSourceFileInfo::~QMakeSourceFileInfo()
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{
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//buffer
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if(spare_buffer) {
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free(spare_buffer);
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spare_buffer = nullptr;
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spare_buffer_size = 0;
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}
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//quick project lookup
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delete files;
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delete includes;
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}
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void QMakeSourceFileInfo::addSourceFiles(const ProStringList &l, uchar seek,
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QMakeSourceFileInfo::SourceFileType type)
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{
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for(int i=0; i<l.size(); ++i)
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addSourceFile(l.at(i).toQString(), seek, type);
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}
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void QMakeSourceFileInfo::addSourceFile(const QString &f, uchar seek,
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QMakeSourceFileInfo::SourceFileType type)
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{
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if(!files)
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files = new SourceFiles;
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QMakeLocalFileName fn(f);
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SourceFile *file = files->lookupFile(fn);
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if(!file) {
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file = new SourceFile;
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file->file = fn;
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files->addFile(file);
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} else {
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if(file->type != type && file->type != TYPE_UNKNOWN && type != TYPE_UNKNOWN)
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warn_msg(WarnLogic, "%s is marked as %d, then %d!", f.toLatin1().constData(),
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file->type, type);
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}
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if(type != TYPE_UNKNOWN)
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file->type = type;
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if(seek & SEEK_MOCS && !file->moc_checked)
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findMocs(file);
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if(seek & SEEK_DEPS && !file->dep_checked)
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findDeps(file);
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}
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bool QMakeSourceFileInfo::containsSourceFile(const QString &f, SourceFileType type)
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{
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if(SourceFile *file = files->lookupFile(QMakeLocalFileName(f)))
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return (file->type == type || file->type == TYPE_UNKNOWN || type == TYPE_UNKNOWN);
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return false;
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}
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bool QMakeSourceFileInfo::isSystemInclude(const QString &name)
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{
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if (QDir::isRelativePath(name)) {
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// if we got a relative path here, it's either an -I flag with a relative path
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// or an include file we couldn't locate. Either way, conclude it's not
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// a system include.
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return false;
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}
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for (int i = 0; i < systemIncludes.size(); ++i) {
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// check if name is located inside the system include dir:
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QDir systemDir(systemIncludes.at(i));
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QString relativePath = systemDir.relativeFilePath(name);
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// the relative path might be absolute if we're crossing drives on Windows
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if (QDir::isAbsolutePath(relativePath) || relativePath.startsWith("../"))
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continue;
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debug_msg(5, "File/dir %s is in system dir %s, skipping",
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qPrintable(name), qPrintable(systemIncludes.at(i)));
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return true;
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}
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return false;
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}
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char *QMakeSourceFileInfo::getBuffer(int s) {
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if(!spare_buffer || spare_buffer_size < s)
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spare_buffer = (char *)realloc(spare_buffer, spare_buffer_size=s);
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return spare_buffer;
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}
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#ifndef S_ISDIR
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#define S_ISDIR(x) (x & _S_IFDIR)
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#endif
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QMakeLocalFileName QMakeSourceFileInfo::fixPathForFile(const QMakeLocalFileName &f, bool)
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{
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return f;
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}
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QMakeLocalFileName QMakeSourceFileInfo::findFileForDep(const QMakeLocalFileName &/*dep*/,
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const QMakeLocalFileName &/*file*/)
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{
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return QMakeLocalFileName();
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}
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QFileInfo QMakeSourceFileInfo::findFileInfo(const QMakeLocalFileName &dep)
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{
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return QFileInfo(dep.real());
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}
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static int skipEscapedLineEnds(const char *buffer, int buffer_len, int offset, int *lines)
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{
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// Join physical lines to make logical lines, as in the C preprocessor
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while (offset + 1 < buffer_len
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&& buffer[offset] == '\\'
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&& qmake_endOfLine(buffer[offset + 1])) {
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offset += 2;
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++*lines;
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if (offset < buffer_len
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&& buffer[offset - 1] == '\r'
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&& buffer[offset] == '\n') // CRLF
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offset++;
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}
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return offset;
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}
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static bool matchWhileUnsplitting(const char *buffer, int buffer_len, int start,
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const char *needle, int needle_len,
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int *matchlen, int *lines)
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{
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int x = start;
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for (int n = 0; n < needle_len;
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n++, x = skipEscapedLineEnds(buffer, buffer_len, x + 1, lines)) {
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if (x >= buffer_len || buffer[x] != needle[n])
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return false;
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}
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// That also skipped any remaining BSNLs immediately after the match.
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// Tell caller how long the match was:
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*matchlen = x - start;
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return true;
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}
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/* Advance from an opening quote at buffer[offset] to the matching close quote. */
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static int scanPastString(char *buffer, int buffer_len, int offset, int *lines)
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{
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// http://en.cppreference.com/w/cpp/language/string_literal
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// It might be a C++11 raw string.
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bool israw = false;
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if (buffer[offset] == '"' && offset > 0) {
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int explore = offset - 1;
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bool prefix = false; // One of L, U, u or u8 may appear before R
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bool saw8 = false; // Partial scan of u8
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while (explore >= 0) {
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// Cope with backslash-newline interruptions of the prefix:
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if (explore > 0
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&& qmake_endOfLine(buffer[explore])
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&& buffer[explore - 1] == '\\') {
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explore -= 2;
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} else if (explore > 1
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&& buffer[explore] == '\n'
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&& buffer[explore - 1] == '\r'
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&& buffer[explore - 2] == '\\') {
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explore -= 3;
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// Remaining cases can only decrement explore by one at a time:
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} else if (saw8 && buffer[explore] == 'u') {
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explore--;
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saw8 = false;
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prefix = true;
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} else if (saw8 || prefix) {
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break;
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} else if (explore > 1 && buffer[explore] == '8') {
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explore--;
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saw8 = true;
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} else if (buffer[explore] == 'L'
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|| buffer[explore] == 'U'
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|| buffer[explore] == 'u') {
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explore--;
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prefix = true;
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} else if (buffer[explore] == 'R') {
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if (israw)
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break;
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explore--;
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israw = true;
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} else {
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break;
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}
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}
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// Check the R (with possible prefix) isn't just part of an identifier:
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if (israw && explore >= 0
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&& (isalnum(buffer[explore]) || buffer[explore] == '_')) {
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israw = false;
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}
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}
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if (israw) {
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#define SKIP_BSNL(pos) skipEscapedLineEnds(buffer, buffer_len, (pos), lines)
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offset = SKIP_BSNL(offset + 1);
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const char *const delim = buffer + offset;
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int clean = offset;
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while (offset < buffer_len && buffer[offset] != '(') {
|
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if (clean < offset)
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buffer[clean++] = buffer[offset];
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else
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clean++;
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offset = SKIP_BSNL(offset + 1);
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}
|
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/*
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Not checking correctness (trust real compiler to do that):
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- no controls, spaces, '(', ')', '\\' or (presumably) '"' in delim;
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- at most 16 bytes in delim
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Raw strings are surely defined after phase 2, when BSNLs are resolved;
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so the delimiter's exclusion of '\\' and space (including newlines)
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applies too late to save us the need to cope with BSNLs in it.
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*/
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const int delimlen = buffer + clean - delim;
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int matchlen = delimlen, extralines = 0;
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while ((offset = SKIP_BSNL(offset + 1)) < buffer_len
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&& (buffer[offset] != ')'
|
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|| (delimlen > 0 &&
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!matchWhileUnsplitting(buffer, buffer_len,
|
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offset + 1, delim, delimlen,
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&matchlen, &extralines))
|
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|| buffer[offset + 1 + matchlen] != '"')) {
|
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// skip, but keep track of lines
|
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if (qmake_endOfLine(buffer[offset]))
|
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++*lines;
|
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extralines = 0;
|
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}
|
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*lines += extralines; // from the match
|
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// buffer[offset] is ')'
|
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offset += 1 + matchlen; // 1 for ')', then delim
|
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// buffer[offset] is '"'
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|
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#undef SKIP_BSNL
|
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} 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;
|
|
}
|
|
}
|
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|
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return offset;
|
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}
|
|
|
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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 = nullptr;
|
|
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 = nullptr;
|
|
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 = nullptr;
|
|
|
|
cpp_state = InCode; // hereafter
|
|
break;
|
|
}
|
|
|
|
case AtStart:
|
|
// Preprocessor directive?
|
|
if (buffer[x] == '#') {
|
|
cpp_state = HadHash;
|
|
break;
|
|
}
|
|
cpp_state = InCode;
|
|
Q_FALLTHROUGH(); // 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;
|
|
/* QTBUG-72383: Local includes "foo.h" must first be resolved relative to the
|
|
* sourceDir, only global includes <bar.h> are unique. */
|
|
SourceFile *dep = try_local ? nullptr : 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 (const QMakeLocalFileName &depdir : qAsConst(depdirs)) {
|
|
QMakeLocalFileName f(depdir.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);
|
|
/* QTBUG-72383: Local includes "foo.h" are keyed by the resolved
|
|
* path (stored in dep itself), only global includes <bar.h> are
|
|
* unique keys immediately. */
|
|
const char *key = try_local ? nullptr : inc;
|
|
includes->addFile(dep, key, 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 = nullptr;
|
|
{
|
|
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;
|
|
// [0] for Q_OBJECT, [1] for Q_GADGET, [2] for Q_NAMESPACE, [3] for Q_NAMESPACE_EXPORT
|
|
bool ignore[4] = { false, false, false, false };
|
|
/* qmake ignore Q_GADGET */
|
|
/* qmake ignore Q_OBJECT */
|
|
/* qmake ignore Q_NAMESPACE */
|
|
/* qmake ignore Q_NAMESPACE_EXPORT */
|
|
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_len >= (x + 23) &&
|
|
!strncmp(buffer + x + 1, "make ignore Q_NAMESPACE", 23)) {
|
|
debug_msg(2, "Mocgen: %s:%d Found \"qmake ignore Q_NAMESPACE\"",
|
|
file->file.real().toLatin1().constData(), line_count);
|
|
x += 23;
|
|
ignore[2] = true;
|
|
} else if (buffer_len >= (x + 30) &&
|
|
!strncmp(buffer + x + 1, "make ignore Q_NAMESPACE_EXPORT", 30)) {
|
|
debug_msg(2, "Mocgen: %s:%d Found \"qmake ignore Q_NAMESPACE_EXPORT\"",
|
|
file->file.real().toLatin1().constData(), line_count);
|
|
x += 30;
|
|
ignore[3] = 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[][19] = { "Q_OBJECT", "Q_GADGET", "Q_NAMESPACE", "Q_NAMESPACE_EXPORT" };
|
|
for (int interest = 0; interest < 4; ++interest) {
|
|
if (ignore[interest])
|
|
continue;
|
|
|
|
int matchlen = 0, extralines = 0;
|
|
size_t needle_len = strlen(interesting[interest]);
|
|
Q_ASSERT(needle_len <= INT_MAX);
|
|
if (matchWhileUnsplitting(buffer, buffer_len, y,
|
|
interesting[interest],
|
|
static_cast<int>(needle_len),
|
|
&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;
|
|
}
|
|
|
|
QT_END_NAMESPACE
|