feedc0de/qt-creator
1
0
Fork 0
forked from qt-creator/qt-creator
Code Pull Requests Activity

support custom functions: implement defineTest(), defineReplace(), defined(), return() & export()

Browse Source
This commit is contained in:
Oswald Buddenhagen
2009-05-18 17:46:30 +02:00
parent 6ca93b31fd
commit d077ba29c3
4 changed files with 284 additions and 111 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/shared/proparser/abstractproitemvisitor.h
View File

@@ -37,17 +37,18 @@ QT_BEGIN_NAMESPACE
struct AbstractProItemVisitor
{
virtual ~AbstractProItemVisitor() {}
virtual void visitBeginProBlock(ProBlock *block) = 0;
virtual ProItem::ProItemReturn visitBeginProBlock(ProBlock *block) = 0;
virtual void visitEndProBlock(ProBlock *block) = 0;
virtual void visitBeginProVariable(ProVariable *variable) = 0;
virtual void visitEndProVariable(ProVariable *variable) = 0;
virtual bool visitBeginProFile(ProFile *value) = 0;
virtual bool visitEndProFile(ProFile *value) = 0;
virtual ProItem::ProItemReturn visitBeginProFile(ProFile *value) = 0;
virtual ProItem::ProItemReturn visitEndProFile(ProFile *value) = 0;
virtual void visitProValue(ProValue *value) = 0;
virtual void visitProFunction(ProFunction *function) = 0;
virtual ProItem::ProItemReturn visitProFunction(ProFunction *function) = 0;
virtual void visitProOperator(ProOperator *function) = 0;
virtual void visitProCondition(ProCondition *function) = 0;
};

295
src/shared/proparser/profileevaluator.cpp
View File

@@ -157,14 +157,14 @@ public:
/////////////// Evaluating pro file contents
// implementation of AbstractProItemVisitor
void visitBeginProBlock(ProBlock *block);
ProItem::ProItemReturn visitBeginProBlock(ProBlock *block);
void visitEndProBlock(ProBlock *block);
void visitBeginProVariable(ProVariable *variable);
void visitEndProVariable(ProVariable *variable);
bool visitBeginProFile(ProFile *value);
bool visitEndProFile(ProFile *value);
ProItem::ProItemReturn visitBeginProFile(ProFile *value);
ProItem::ProItemReturn visitEndProFile(ProFile *value);
void visitProValue(ProValue *value);
void visitProFunction(ProFunction *function);
ProItem::ProItemReturn visitProFunction(ProFunction *function);
void visitProOperator(ProOperator *oper);
void visitProCondition(ProCondition *condition);
@@ -187,10 +187,15 @@ public:
QString currentDirectory() const;
ProFile *currentProFile() const;
bool evaluateConditionalFunction(const QString &function, const QString &arguments);
ProItem::ProItemReturn evaluateConditionalFunction(const QString &function, const QString &arguments);
bool evaluateFile(const QString &fileName);
bool evaluateFeatureFile(const QString &fileName);
static inline ProItem::ProItemReturn returnBool(bool b)
{ return b ? ProItem::ReturnTrue : ProItem::ReturnFalse; }
QStringList evaluateFunction(ProBlock *funcPtr, const QStringList &argumentsList, bool *ok);
QStringList qmakeFeaturePaths();
struct State {
@@ -217,6 +222,14 @@ public:
QHash<QString, QString> m_properties;
QString m_outputDir;
bool m_definingTest;
QString m_definingFunc;
QHash<QString, ProBlock *> m_testFunctions;
QHash<QString, ProBlock *> m_replaceFunctions;
QStringList m_returnValue;
QStack<QHash<QString, QStringList> > m_valuemapStack;
QStack<QHash<const ProFile*, QHash<QString, QStringList> > > m_filevaluemapStack;
int m_prevLineNo; // Checking whether we're assigning the same TARGET
ProFile *m_prevProFile; // See m_prevLineNo
QStringList m_addUserConfigCmdArgs;
@@ -236,6 +249,7 @@ ProFileEvaluator::Private::Private(ProFileEvaluator *q_)
// Configuration, more or less
m_verbose = true;
m_cumulative = true;
m_parsePreAndPostFiles = true;
// Evaluator state
m_sts.condition = false;
@@ -243,7 +257,7 @@ ProFileEvaluator::Private::Private(ProFileEvaluator *q_)
m_invertNext = false;
m_skipLevel = 0;
m_isFirstVariableValue = true;
m_parsePreAndPostFiles = true;
m_definingFunc.clear();
}
bool ProFileEvaluator::Private::read(ProFile *pro)
@@ -555,13 +569,27 @@ void ProFileEvaluator::Private::updateItem()
}
void ProFileEvaluator::Private::visitBeginProBlock(ProBlock *block)
ProItem::ProItemReturn ProFileEvaluator::Private::visitBeginProBlock(ProBlock *block)
{
if (block->blockKind() & ProBlock::ScopeContentsKind) {
if (!m_sts.condition)
++m_skipLevel;
else
Q_ASSERT(!m_skipLevel);
if (!m_definingFunc.isEmpty()) {
if (!m_skipLevel || m_cumulative) {
QHash<QString, ProBlock *> *hash =
(m_definingTest ? &m_testFunctions : &m_replaceFunctions);
if (ProBlock *def = hash->value(m_definingFunc))
def->deref();
hash->insert(m_definingFunc, block);
block->ref();
block->setBlockKind(block->blockKind() | ProBlock::FunctionBodyKind);
}
m_definingFunc.clear();
return ProItem::ReturnSkip;
} else if (!(block->blockKind() & ProBlock::FunctionBodyKind)) {
if (!m_sts.condition)
++m_skipLevel;
else
Q_ASSERT(!m_skipLevel);
}
} else {
if (!m_skipLevel) {
if (m_sts.condition) {
@@ -572,11 +600,13 @@ void ProFileEvaluator::Private::visitBeginProBlock(ProBlock *block)
Q_ASSERT(!m_sts.condition);
}
}
return ProItem::ReturnTrue;
}
void ProFileEvaluator::Private::visitEndProBlock(ProBlock *block)
{
if (block->blockKind() & ProBlock::ScopeContentsKind) {
if ((block->blockKind() & ProBlock::ScopeContentsKind)
&& !(block->blockKind() & ProBlock::FunctionBodyKind)) {
if (m_skipLevel) {
Q_ASSERT(!m_sts.condition);
--m_skipLevel;
@@ -624,10 +654,9 @@ void ProFileEvaluator::Private::visitProCondition(ProCondition *cond)
m_invertNext = false;
}
bool ProFileEvaluator::Private::visitBeginProFile(ProFile * pro)
ProItem::ProItemReturn ProFileEvaluator::Private::visitBeginProFile(ProFile * pro)
{
PRE(pro);
bool ok = true;
m_lineNo = pro->lineNumber();
if (m_origfile.isEmpty())
m_origfile = pro->fileName();
@@ -655,16 +684,15 @@ bool ProFileEvaluator::Private::visitBeginProFile(ProFile * pro)
m_cumulative = cumulative;
}
ok = QDir::setCurrent(pro->directoryName());
return returnBool(QDir::setCurrent(pro->directoryName()));
}
return ok;
return ProItem::ReturnTrue;
}
bool ProFileEvaluator::Private::visitEndProFile(ProFile * pro)
ProItem::ProItemReturn ProFileEvaluator::Private::visitEndProFile(ProFile * pro)
{
PRE(pro);
bool ok = true;
m_lineNo = pro->lineNumber();
if (m_profileStack.count() == 1 && !m_oldPath.isEmpty()) {
const QString &mkspecDirectory = propertyValue(QLatin1String("QMAKE_MKSPECS"));
@@ -693,13 +721,21 @@ bool ProFileEvaluator::Private::visitEndProFile(ProFile * pro)
break;
}
foreach (ProBlock *itm, m_replaceFunctions)
itm->deref();
m_replaceFunctions.clear();
foreach (ProBlock *itm, m_testFunctions)
itm->deref();
m_testFunctions.clear();
m_cumulative = cumulative;
}
m_profileStack.pop();
ok = QDir::setCurrent(m_oldPath);
return returnBool(QDir::setCurrent(m_oldPath));
}
return ok;
return ProItem::ReturnTrue;
}
static void replaceInList(QStringList *varlist,
@@ -854,7 +890,7 @@ void ProFileEvaluator::Private::visitProValue(ProValue *value)
m_isFirstVariableValue = false;
}
void ProFileEvaluator::Private::visitProFunction(ProFunction *func)
ProItem::ProItemReturn ProFileEvaluator::Private::visitProFunction(ProFunction *func)
{
// Make sure that called subblocks don't inherit & destroy the state
bool invertThis = m_invertNext;
@@ -869,10 +905,13 @@ void ProFileEvaluator::Private::visitProFunction(ProFunction *func)
QString arguments = text.mid(lparen + 1, rparen - lparen - 1);
QString funcName = text.left(lparen);
m_lineNo = func->lineNumber();
bool result = evaluateConditionalFunction(funcName.trimmed(), arguments);
if (!m_skipLevel && (result ^ invertThis))
ProItem::ProItemReturn result = evaluateConditionalFunction(funcName.trimmed(), arguments);
if (result != ProItem::ReturnFalse && result != ProItem::ReturnTrue)
return result;
if (!m_skipLevel && ((result == ProItem::ReturnTrue) ^ invertThis))
m_sts.condition = true;
}
return ProItem::ReturnTrue;
}
@@ -1212,10 +1251,49 @@ bool ProFileEvaluator::Private::isActiveConfig(const QString &config, bool regex
return false;
}
QStringList ProFileEvaluator::Private::evaluateFunction(
ProBlock *funcPtr, const QStringList &argumentsList, bool *ok)
{
bool oki;
QStringList ret;
if (m_valuemapStack.count() >= 100) {
q->errorMessage(format("ran into infinite recursion (depth > 100)."));
ok = false;
} else {
State sts = m_sts;
m_valuemapStack.push(m_valuemap);
m_filevaluemapStack.push(m_filevaluemap);
QStringList args;
for (int i = 0; i < argumentsList.count(); ++i) {
QStringList theArgs = expandVariableReferences(argumentsList[i]);
args += theArgs;
m_valuemap[QString::number(i+1)] = theArgs;
}
m_valuemap[QLatin1String("ARGS")] = args;
oki = (funcPtr->Accept(this) != ProItem::ReturnFalse); // True || Return
ret = m_returnValue;
m_returnValue.clear();
m_valuemap = m_valuemapStack.pop();
m_filevaluemap = m_filevaluemapStack.pop();
m_sts = sts;
}
if (ok)
*ok = oki;
if (oki)
return ret;
return QStringList();
}
QStringList ProFileEvaluator::Private::evaluateExpandFunction(const QString &func, const QString &arguments)
{
QStringList argumentsList = split_arg_list(arguments);
if (ProBlock *funcPtr = m_replaceFunctions.value(func, 0))
return evaluateFunction(funcPtr, argumentsList, 0);
QStringList args;
for (int i = 0; i < argumentsList.count(); ++i)
args += expandVariableReferences(argumentsList[i]).join(Option::field_sep);
@@ -1618,13 +1696,40 @@ QStringList ProFileEvaluator::Private::evaluateExpandFunction(const QString &fun
return ret;
}
bool ProFileEvaluator::Private::evaluateConditionalFunction(
ProItem::ProItemReturn ProFileEvaluator::Private::evaluateConditionalFunction(
const QString &function, const QString &arguments)
{
QStringList argumentsList = split_arg_list(arguments);
if (ProBlock *funcPtr = m_testFunctions.value(function, 0)) {
bool ok;
QStringList ret = evaluateFunction(funcPtr, argumentsList, &ok);
if (ok) {
if (ret.isEmpty()) {
return ProItem::ReturnTrue;
} else {
if (ret.first() != QLatin1String("false")) {
if (ret.first() == QLatin1String("true")) {
return ProItem::ReturnTrue;
} else {
bool ok;
int val = ret.first().toInt(&ok);
if (ok) {
if (val)
return ProItem::ReturnTrue;
} else {
q->logMessage(format("Unexpected return value from test '%1': %2")
.arg(function).arg(ret.join(QLatin1String(" :: "))));
}
}
}
}
}
return ProItem::ReturnFalse;
}
QString sep;
sep.append(Option::field_sep);
QStringList args;
for (int i = 0; i < argumentsList.count(); ++i)
args += expandVariableReferences(argumentsList[i]).join(sep);
@@ -1632,7 +1737,8 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
enum TestFunc { T_REQUIRES=1, T_GREATERTHAN, T_LESSTHAN, T_EQUALS,
T_EXISTS, T_EXPORT, T_CLEAR, T_UNSET, T_EVAL, T_CONFIG, T_SYSTEM,
T_RETURN, T_BREAK, T_NEXT, T_DEFINED, T_CONTAINS, T_INFILE,
T_COUNT, T_ISEMPTY, T_INCLUDE, T_LOAD, T_DEBUG, T_MESSAGE, T_IF };
T_COUNT, T_ISEMPTY, T_INCLUDE, T_LOAD, T_DEBUG, T_MESSAGE, T_IF,
T_DEFINE_TEST, T_DEFINE_REPLACE };
static QHash<QString, int> *functions = 0;
if (!functions) {
@@ -1665,35 +1771,87 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
functions->insert(QLatin1String("message"), T_MESSAGE); //v
functions->insert(QLatin1String("warning"), T_MESSAGE); //v
functions->insert(QLatin1String("error"), T_MESSAGE); //v
functions->insert(QLatin1String("defineTest"), T_DEFINE_TEST); //v
functions->insert(QLatin1String("defineReplace"), T_DEFINE_REPLACE); //v
}
TestFunc func_t = (TestFunc)functions->value(function);
switch (func_t) {
case T_DEFINE_TEST:
m_definingTest = true;
goto defineFunc;
case T_DEFINE_REPLACE:
m_definingTest = false;
defineFunc:
if (args.count() != 1) {
q->logMessage(format("%s(function) requires one argument.").arg(function));
return ProItem::ReturnFalse;
}
m_definingFunc = args.first();
return ProItem::ReturnTrue;
case T_DEFINED:
if (args.count() < 1 || args.count() > 2) {
q->logMessage(format("defined(function, [\"test\"|\"replace\"])"
" requires one or two arguments."));
return ProItem::ReturnFalse;
}
if (args.count() > 1) {
if (args[1] == QLatin1String("test"))
return returnBool(m_testFunctions.contains(args[0]));
else if (args[1] == QLatin1String("replace"))
return returnBool(m_replaceFunctions.contains(args[0]));
q->logMessage(format("defined(function, type):"
" unexpected type [%1].\n").arg(args[1]));
return ProItem::ReturnFalse;
}
return returnBool(m_replaceFunctions.contains(args[0])
|| m_testFunctions.contains(args[0]));
case T_RETURN:
m_returnValue = args;
// It is "safe" to ignore returns - due to qmake brokeness
// they cannot be used to terminate loops anyway.
if (m_skipLevel || m_cumulative)
return ProItem::ReturnTrue;
if (m_valuemapStack.isEmpty()) {
q->logMessage(format("unexpected return()."));
return ProItem::ReturnFalse;
}
return ProItem::ReturnReturn;
case T_EXPORT:
if (m_skipLevel && !m_cumulative)
return ProItem::ReturnTrue;
if (args.count() != 1) {
q->logMessage(format("export(variable) requires one argument."));
return ProItem::ReturnFalse;
}
for (int i = 0; i < m_valuemapStack.size(); ++i) {
m_valuemapStack[i][args[0]] = m_valuemap[args[0]];
m_filevaluemapStack[i][currentProFile()][args[0]] =
m_filevaluemap[currentProFile()][args[0]];
}
return ProItem::ReturnTrue;
#if 0
case T_INFILE:
case T_REQUIRES:
case T_GREATERTHAN:
case T_LESSTHAN:
case T_EQUALS:
case T_EXPORT:
case T_CLEAR:
case T_UNSET:
case T_EVAL:
case T_IF:
case T_RETURN:
case T_BREAK:
case T_NEXT:
case T_DEFINED:
#endif
case T_CONFIG: {
if (args.count() < 1 || args.count() > 2) {
q->logMessage(format("CONFIG(config) requires one or two arguments."));
return false;
return ProItem::ReturnFalse;
}
if (args.count() == 1) {
//cond = isActiveConfig(args.first()); XXX
return false;
return ProItem::ReturnFalse;
}
const QStringList mutuals = args[1].split(QLatin1Char('|'));
const QStringList &configs = valuesDirect(QLatin1String("CONFIG"));
@@ -1701,16 +1859,16 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
for (int i = configs.size() - 1; i >= 0; i--) {
for (int mut = 0; mut < mutuals.count(); mut++) {
if (configs[i] == mutuals[mut].trimmed()) {
return (configs[i] == args[0]);
return returnBool(configs[i] == args[0]);
}
}
}
return false;
return ProItem::ReturnFalse;
}
case T_CONTAINS: {
if (args.count() < 2 || args.count() > 3) {
q->logMessage(format("contains(var, val) requires two or three arguments."));
return false;
return ProItem::ReturnFalse;
}
QRegExp regx(args[1]);
@@ -1719,7 +1877,7 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
for (int i = 0; i < l.size(); ++i) {
const QString val = l[i];
if (regx.exactMatch(val) || val == args[1]) {
return true;
return ProItem::ReturnTrue;
}
}
} else {
@@ -1728,47 +1886,47 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
const QString val = l[i];
for (int mut = 0; mut < mutuals.count(); mut++) {
if (val == mutuals[mut].trimmed()) {
return (regx.exactMatch(val) || val == args[1]);
return returnBool(regx.exactMatch(val) || val == args[1]);
}
}
}
}
return false;
return ProItem::ReturnFalse;
}
case T_COUNT: {
if (args.count() != 2 && args.count() != 3) {
q->logMessage(format("count(var, count, op=\"equals\") requires two or three arguments."));
return false;
return ProItem::ReturnFalse;
}
if (args.count() == 3) {
QString comp = args[2];
if (comp == QLatin1String(">") || comp == QLatin1String("greaterThan")) {
return (values(args.first()).count() > args[1].toInt());
return returnBool(values(args.first()).count() > args[1].toInt());
} else if (comp == QLatin1String(">=")) {
return (values(args.first()).count() >= args[1].toInt());
return returnBool(values(args.first()).count() >= args[1].toInt());
} else if (comp == QLatin1String("<") || comp == QLatin1String("lessThan")) {
return (values(args.first()).count() < args[1].toInt());
return returnBool(values(args.first()).count() < args[1].toInt());
} else if (comp == QLatin1String("<=")) {
return (values(args.first()).count() <= args[1].toInt());
return returnBool(values(args.first()).count() <= args[1].toInt());
} else if (comp == QLatin1String("equals") || comp == QLatin1String("isEqual")
|| comp == QLatin1String("=") || comp == QLatin1String("==")) {
return (values(args.first()).count() == args[1].toInt());
return returnBool(values(args.first()).count() == args[1].toInt());
} else {
q->logMessage(format("unexpected modifier to count(%2)").arg(comp));
return false;
return ProItem::ReturnFalse;
}
}
return (values(args.first()).count() == args[1].toInt());
return returnBool(values(args.first()).count() == args[1].toInt());
}
case T_INCLUDE: {
if (m_skipLevel && !m_cumulative)
return false;
return ProItem::ReturnFalse;
QString parseInto;
if (args.count() == 2) {
parseInto = args[1];
} else if (args.count() != 1) {
q->logMessage(format("include(file) requires one or two arguments."));
return false;
return ProItem::ReturnFalse;
}
QString fileName = args.first();
// ### this breaks if we have include(c:/reallystupid.pri) but IMHO that's really bad style.
@@ -1777,11 +1935,11 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
State sts = m_sts;
bool ok = evaluateFile(fileName);
m_sts = sts;
return ok;
return returnBool(ok);
}
case T_LOAD: {
if (m_skipLevel && !m_cumulative)
return false;
return ProItem::ReturnFalse;
QString parseInto;
bool ignore_error = false;
if (args.count() == 2) {
@@ -1789,18 +1947,18 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
ignore_error = (sarg.toLower() == QLatin1String("true") || sarg.toInt());
} else if (args.count() != 1) {
q->logMessage(format("load(feature) requires one or two arguments."));
return false;
return ProItem::ReturnFalse;
}
// XXX ignore_error unused
return evaluateFeatureFile(args.first());
return returnBool(evaluateFeatureFile(args.first()));
}
case T_DEBUG:
// Yup - do nothing. Nothing is going to enable debug output anyway.
return false;
return ProItem::ReturnFalse;
case T_MESSAGE: {
if (args.count() != 1) {
q->logMessage(format("%1(message) requires one argument.").arg(function));
return false;
return ProItem::ReturnFalse;
}
QString msg = fixEnvVariables(args.first());
if (function == QLatin1String("error")) {
@@ -1817,42 +1975,42 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
} else {
q->fileMessage(format("Project MESSAGE: %1").arg(msg));
}
return false;
return ProItem::ReturnFalse;
}
#if 0 // Way too dangerous to enable.
case T_SYSTEM: {
if (args.count() != 1) {
q->logMessage(format("system(exec) requires one argument."));
false;
ProItem::ReturnFalse;
}
return (system(args.first().toLatin1().constData()) == 0);
return returnBool(system(args.first().toLatin1().constData()) == 0);
}
#endif
case T_ISEMPTY: {
if (args.count() != 1) {
q->logMessage(format("isEmpty(var) requires one argument."));
return false;
return ProItem::ReturnFalse;
}
QStringList sl = values(args.first());
if (sl.count() == 0) {
return true;
return ProItem::ReturnTrue;
} else if (sl.count() > 0) {
QString var = sl.first();
if (var.isEmpty())
return true;
return ProItem::ReturnTrue;
}
return false;
return ProItem::ReturnFalse;
}
case T_EXISTS: {
if (args.count() != 1) {
q->logMessage(format("exists(file) requires one argument."));
return false;
return ProItem::ReturnFalse;
}
QString file = args.first();
file = Option::fixPathToLocalOS(file);
if (QFile::exists(file)) {
return true;
return ProItem::ReturnTrue;
}
//regular expression I guess
QString dirstr = currentDirectory();
@@ -1863,17 +2021,16 @@ bool ProFileEvaluator::Private::evaluateConditionalFunction(
}
if (file.contains(QLatin1Char('*')) || file.contains(QLatin1Char('?')))
if (!QDir(dirstr).entryList(QStringList(file)).isEmpty())
return true;
return ProItem::ReturnTrue;
return false;
return ProItem::ReturnFalse;
}
case 0:
// This is too chatty currently (missing defineTest and defineReplace)
//q->logMessage(format("'%1' is not a recognized test function").arg(function));
return false;
q->logMessage(format("'%1' is not a recognized test function").arg(function));
return ProItem::ReturnFalse;
default:
q->logMessage(format("Function '%1' is not implemented").arg(function));
return false;
return ProItem::ReturnFalse;
}
}
@@ -2032,7 +2189,7 @@ bool ProFileEvaluator::Private::evaluateFile(const QString &fileName)
ProFile *pro = q->parsedProFile(fileName);
if (pro) {
m_profileStack.push(pro);
bool ok = pro->Accept(this);
bool ok = (pro->Accept(this) == ProItem::ReturnTrue);
m_profileStack.pop();
q->releaseParsedProFile(pro);
return ok;

61
src/shared/proparser/proitems.cpp
View File

@@ -46,15 +46,21 @@ QString ProItem::comment() const
}
// --------------- ProBlock ----------------
ProBlock::ProBlock(ProBlock *parent)
{
m_blockKind = 0;
m_parent = parent;
m_refCount = 1;
}
ProBlock::~ProBlock()
{
qDeleteAll(m_proitems);
foreach (ProItem *itm, m_proitems)
if (itm->kind() == BlockKind)
static_cast<ProBlock *>(itm)->deref();
else
delete itm;
}
void ProBlock::appendItem(ProItem *proitem)
@@ -97,15 +103,16 @@ ProItem::ProItemKind ProBlock::kind() const
return ProItem::BlockKind;
}
bool ProBlock::Accept(AbstractProItemVisitor *visitor)
ProItem::ProItemReturn ProBlock::Accept(AbstractProItemVisitor *visitor)
{
visitor->visitBeginProBlock(this);
foreach (ProItem *item, m_proitems) {
if (!item->Accept(visitor))
return false;
}
if (visitor->visitBeginProBlock(this) == ReturnSkip)
return ReturnTrue;
ProItemReturn rt = ReturnTrue;
foreach (ProItem *item, m_proitems)
if ((rt = item->Accept(visitor)) != ReturnTrue && rt != ReturnFalse)
break;
visitor->visitEndProBlock(this);
return true;
return rt;
}
// --------------- ProVariable ----------------
@@ -137,15 +144,13 @@ QString ProVariable::variable() const
return m_variable;
}
bool ProVariable::Accept(AbstractProItemVisitor *visitor)
ProItem::ProItemReturn ProVariable::Accept(AbstractProItemVisitor *visitor)
{
visitor->visitBeginProVariable(this);
foreach (ProItem *item, m_proitems) {
if (!item->Accept(visitor))
return false;
}
foreach (ProItem *item, m_proitems)
item->Accept(visitor); // cannot fail
visitor->visitEndProVariable(this);
return true;
return ReturnTrue;
}
// --------------- ProValue ----------------
@@ -180,10 +185,10 @@ ProItem::ProItemKind ProValue::kind() const
return ProItem::ValueKind;
}
bool ProValue::Accept(AbstractProItemVisitor *visitor)
ProItem::ProItemReturn ProValue::Accept(AbstractProItemVisitor *visitor)
{
visitor->visitProValue(this);
return true;
return ReturnTrue;
}
// --------------- ProFunction ----------------
@@ -207,10 +212,9 @@ ProItem::ProItemKind ProFunction::kind() const
return ProItem::FunctionKind;
}
bool ProFunction::Accept(AbstractProItemVisitor *visitor)
ProItem::ProItemReturn ProFunction::Accept(AbstractProItemVisitor *visitor)
{
visitor->visitProFunction(this);
return true;
return visitor->visitProFunction(this);
}
// --------------- ProCondition ----------------
@@ -234,10 +238,10 @@ ProItem::ProItemKind ProCondition::kind() const
return ProItem::ConditionKind;
}
bool ProCondition::Accept(AbstractProItemVisitor *visitor)
ProItem::ProItemReturn ProCondition::Accept(AbstractProItemVisitor *visitor)
{
visitor->visitProCondition(this);
return true;
return ReturnTrue;
}
// --------------- ProOperator ----------------
@@ -261,10 +265,10 @@ ProItem::ProItemKind ProOperator::kind() const
return ProItem::OperatorKind;
}
bool ProOperator::Accept(AbstractProItemVisitor *visitor)
ProItem::ProItemReturn ProOperator::Accept(AbstractProItemVisitor *visitor)
{
visitor->visitProOperator(this);
return true;
return ReturnTrue;
}
// --------------- ProFile ----------------
@@ -309,13 +313,12 @@ bool ProFile::isModified() const
return m_modified;
}
bool ProFile::Accept(AbstractProItemVisitor *visitor)
ProItem::ProItemReturn ProFile::Accept(AbstractProItemVisitor *visitor)
{
visitor->visitBeginProFile(this);
foreach (ProItem *item, m_proitems) {
if (!item->Accept(visitor))
return false;
}
ProItemReturn rt;
if ((rt = visitor->visitBeginProFile(this)) != ReturnTrue)
return rt;
ProBlock::Accept(visitor); // cannot fail
return visitor->visitEndProFile(this);
}

30
src/shared/proparser/proitems.h
View File

@@ -49,6 +49,13 @@ public:
BlockKind
};
enum ProItemReturn {
ReturnFalse,
ReturnTrue,
ReturnSkip,
ReturnReturn
};
ProItem() : m_lineNumber(0) {}
virtual ~ProItem() {}
@@ -57,7 +64,7 @@ public:
void setComment(const QString &comment);
QString comment() const;
virtual bool Accept(AbstractProItemVisitor *visitor) = 0;
virtual ProItemReturn Accept(AbstractProItemVisitor *visitor) = 0;
int lineNumber() const { return m_lineNumber; }
void setLineNumber(int lineNumber) { m_lineNumber = lineNumber; }
@@ -75,7 +82,8 @@ public:
ScopeContentsKind = 0x02,
VariableKind = 0x04,
ProFileKind = 0x08,
SingleLine = 0x10
FunctionBodyKind = 0x10,
SingleLine = 0x80
};
ProBlock(ProBlock *parent);
@@ -91,14 +99,18 @@ public:
void setParent(ProBlock *parent);
ProBlock *parent() const;
void ref() { ++m_refCount; }
void deref() { if (!--m_refCount) delete this; }
ProItem::ProItemKind kind() const;
virtual bool Accept(AbstractProItemVisitor *visitor);
virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);
protected:
QList<ProItem *> m_proitems;
private:
ProBlock *m_parent;
int m_blockKind;
int m_refCount;
};
class ProVariable : public ProBlock
@@ -120,7 +132,7 @@ public:
void setVariable(const QString &name);
QString variable() const;
virtual bool Accept(AbstractProItemVisitor *visitor);
virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);
private:
VariableOperator m_variableKind;
QString m_variable;
@@ -139,7 +151,7 @@ public:
ProItem::ProItemKind kind() const;
virtual bool Accept(AbstractProItemVisitor *visitor);
virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);
private:
QString m_value;
ProVariable *m_variable;
@@ -155,7 +167,7 @@ public:
ProItem::ProItemKind kind() const;
virtual bool Accept(AbstractProItemVisitor *visitor);
virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);
private:
QString m_text;
};
@@ -170,7 +182,7 @@ public:
ProItem::ProItemKind kind() const;
virtual bool Accept(AbstractProItemVisitor *visitor);
virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);
private:
QString m_text;
};
@@ -190,7 +202,7 @@ public:
ProItem::ProItemKind kind() const;
virtual bool Accept(AbstractProItemVisitor *visitor);
virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);
private:
OperatorKind m_operatorKind;
};
@@ -210,7 +222,7 @@ public:
void setModified(bool modified);
bool isModified() const;
virtual bool Accept(AbstractProItemVisitor *visitor);
virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);
private:
QString m_fileName;