qt5base-lts/qmake/project.h
Marius Storm-Olsen bca5a5d6f6 Add resolve_depends(var, prefix) function to qmake
This function calculates the topological order of variables.
We will use it to determine which and in what order to link
module libraries.

The function is not tied to libraries/modules only, but requires
the variables to be ordered to have their dependencies in the
[prefix]<var>.depends subvariable.

Due to the recursive nature of the algorithm it was just much easier
to implement it directly in C++ rather than in a qmake-language
function.
2011-04-27 12:05:46 +02:00

198 lines
7.0 KiB
C++

/****************************************************************************
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** contained in the Technology Preview License Agreement accompanying
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#ifndef PROJECT_H
#define PROJECT_H
#include <qstringlist.h>
#include <qtextstream.h>
#include <qstring.h>
#include <qstack.h>
#include <qmap.h>
#include <qmetatype.h>
QT_BEGIN_NAMESPACE
class QMakeProperty;
struct ParsableBlock;
struct IteratorBlock;
struct FunctionBlock;
class QMakeProject
{
struct ScopeBlock
{
enum TestStatus { TestNone, TestFound, TestSeek };
ScopeBlock() : iterate(0), ignore(false), else_status(TestNone) { }
ScopeBlock(bool i) : iterate(0), ignore(i), else_status(TestNone) { }
~ScopeBlock();
IteratorBlock *iterate;
uint ignore : 1, else_status : 2;
};
friend struct ParsableBlock;
friend struct IteratorBlock;
friend struct FunctionBlock;
QStack<ScopeBlock> scope_blocks;
QStack<FunctionBlock *> function_blocks;
IteratorBlock *iterator;
FunctionBlock *function;
QMap<QString, FunctionBlock*> testFunctions, replaceFunctions;
bool recursive;
bool own_prop;
bool backslashWarned;
QString pfile, cfile;
QMakeProperty *prop;
void reset();
QMap<QString, QStringList> vars, base_vars, cache;
bool parse(const QString &text, QMap<QString, QStringList> &place, int line_count=1);
enum IncludeStatus {
IncludeSuccess,
IncludeFeatureAlreadyLoaded,
IncludeFailure,
IncludeNoExist,
IncludeParseFailure
};
enum IncludeFlags {
IncludeFlagNone = 0x00,
IncludeFlagFeature = 0x01,
IncludeFlagNewParser = 0x02,
IncludeFlagNewProject = 0x04
};
IncludeStatus doProjectInclude(QString file, uchar flags, QMap<QString, QStringList> &place);
bool doProjectCheckReqs(const QStringList &deps, QMap<QString, QStringList> &place);
bool doVariableReplace(QString &str, QMap<QString, QStringList> &place);
QStringList doVariableReplaceExpand(const QString &str, QMap<QString, QStringList> &place, bool *ok=0);
void init(QMakeProperty *, const QMap<QString, QStringList> *);
QStringList &values(const QString &v, QMap<QString, QStringList> &place);
QStringList resolveDepends(const QStringList &deps, const QString &prefix, QMap<QString, QStringList> &place);
void validateModes();
public:
QMakeProject() { init(0, 0); }
QMakeProject(QMakeProperty *p) { init(p, 0); }
QMakeProject(QMakeProject *p, const QMap<QString, QStringList> *nvars=0);
QMakeProject(const QMap<QString, QStringList> &nvars) { init(0, &nvars); }
QMakeProject(QMakeProperty *p, const QMap<QString, QStringList> &nvars) { init(p, &nvars); }
~QMakeProject();
enum { ReadCache=0x01, ReadConf=0x02, ReadCmdLine=0x04, ReadProFile=0x08,
ReadFeatures=0x20, ReadConfigs=0x40, ReadAll=0xFF };
inline bool parse(const QString &text) { return parse(text, vars); }
bool read(const QString &project, uchar cmd=ReadAll);
bool read(uchar cmd=ReadAll);
QStringList userExpandFunctions() { return replaceFunctions.keys(); }
QStringList userTestFunctions() { return testFunctions.keys(); }
QString projectFile();
inline QMakeProperty *properties() { return prop; }
bool doProjectTest(QString str, QMap<QString, QStringList> &place);
bool doProjectTest(QString func, const QString &params,
QMap<QString, QStringList> &place);
bool doProjectTest(QString func, QStringList args,
QMap<QString, QStringList> &place);
bool doProjectTest(QString func, QList<QStringList> args,
QMap<QString, QStringList> &place);
QStringList doProjectExpand(QString func, const QString &params,
QMap<QString, QStringList> &place);
QStringList doProjectExpand(QString func, QStringList args,
QMap<QString, QStringList> &place);
QStringList doProjectExpand(QString func, QList<QStringList> args,
QMap<QString, QStringList> &place);
QStringList expand(const QString &v);
QString expand(const QString &v, const QString &file, int line);
QStringList expand(const QString &func, const QList<QStringList> &args);
bool test(const QString &v);
bool test(const QString &func, const QList<QStringList> &args);
bool isActiveConfig(const QString &x, bool regex=false,
QMap<QString, QStringList> *place=NULL);
bool isSet(const QString &v); // No compat mapping, no magic variables
bool isEmpty(const QString &v); // With compat mapping, but no magic variables
QStringList &values(const QString &v); // With compat mapping and magic variables
QString first(const QString &v); // ditto
QMap<QString, QStringList> &variables(); // No compat mapping and magic, obviously
bool isRecursive() const { return recursive; }
protected:
friend class MakefileGenerator;
bool read(const QString &file, QMap<QString, QStringList> &place);
bool read(QTextStream &file, QMap<QString, QStringList> &place);
};
Q_DECLARE_METATYPE(QMakeProject*)
inline QString QMakeProject::projectFile()
{
if (pfile == "-")
return QString("(stdin)");
return pfile;
}
inline QStringList &QMakeProject::values(const QString &v)
{ return values(v, vars); }
inline bool QMakeProject::isSet(const QString &v)
{ return vars.contains(v); }
inline QString QMakeProject::first(const QString &v)
{
const QStringList vals = values(v);
if(vals.isEmpty())
return QString("");
return vals.first();
}
inline QMap<QString, QStringList> &QMakeProject::variables()
{ return vars; }
QT_END_NAMESPACE
#endif // PROJECT_H