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/* | |
qmlcodeparser.cpp | |
*/ | |
#include "declarativeparser/qdeclarativejsast_p.h" | |
#include "declarativeparser/qdeclarativejsastvisitor_p.h" | |
#include "declarativeparser/qdeclarativejsnodepool_p.h" | |
#include "qmlcodeparser.h" | |
#include "node.h" | |
#include "tree.h" | |
#include "config.h" | |
#include "qmlvisitor.h" | |
QT_BEGIN_NAMESPACE | |
#define COMMAND_STARTPAGE Doc::alias("startpage") | |
#define COMMAND_VARIABLE Doc::alias("variable") | |
#define COMMAND_QMLCLASS Doc::alias("qmlclass") | |
#define COMMAND_QMLPROPERTY Doc::alias("qmlproperty") | |
#define COMMAND_QMLATTACHEDPROPERTY Doc::alias("qmlattachedproperty") | |
#define COMMAND_QMLINHERITS Doc::alias("inherits") | |
#define COMMAND_QMLSIGNAL Doc::alias("qmlsignal") | |
#define COMMAND_QMLATTACHEDSIGNAL Doc::alias("qmlattachedsignal") | |
#define COMMAND_QMLMETHOD Doc::alias("qmlmethod") | |
#define COMMAND_QMLATTACHEDMETHOD Doc::alias("qmlattachedmethod") | |
#define COMMAND_QMLDEFAULT Doc::alias("default") | |
#define COMMAND_QMLBASICTYPE Doc::alias("qmlbasictype") | |
QmlCodeParser::QmlCodeParser() | |
{ | |
} | |
QmlCodeParser::~QmlCodeParser() | |
{ | |
} | |
/*! | |
Initialize the code parser base class. | |
*/ | |
void QmlCodeParser::initializeParser(const Config &config) | |
{ | |
CodeParser::initializeParser(config); | |
lexer = new QDeclarativeJS::Lexer(&engine); | |
parser = new QDeclarativeJS::Parser(&engine); | |
} | |
void QmlCodeParser::terminateParser() | |
{ | |
delete lexer; | |
delete parser; | |
} | |
QString QmlCodeParser::language() | |
{ | |
return "QML"; | |
} | |
QStringList QmlCodeParser::sourceFileNameFilter() | |
{ | |
return QStringList("*.qml"); | |
} | |
void QmlCodeParser::parseSourceFile(const Location& location, | |
const QString& filePath, | |
Tree *tree) | |
{ | |
QFile in(filePath); | |
if (!in.open(QIODevice::ReadOnly)) { | |
location.error(tr("Cannot open QML file '%1'").arg(filePath)); | |
return; | |
} | |
QString document = in.readAll(); | |
in.close(); | |
Location fileLocation(filePath); | |
QString newCode = document; | |
extractPragmas(newCode); | |
lexer->setCode(newCode, 1); | |
QSet<QString> topicCommandsAllowed = topicCommands(); | |
QSet<QString> otherMetacommandsAllowed = otherMetaCommands(); | |
QSet<QString> metacommandsAllowed = topicCommandsAllowed + | |
otherMetacommandsAllowed; | |
QDeclarativeJS::NodePool m_nodePool(filePath, &engine); | |
if (parser->parse()) { | |
QDeclarativeJS::AST::UiProgram *ast = parser->ast(); | |
QmlDocVisitor visitor(filePath, newCode, &engine, tree, metacommandsAllowed); | |
QDeclarativeJS::AST::Node::accept(ast, &visitor); | |
} | |
} | |
void QmlCodeParser::doneParsingSourceFiles(Tree *tree) | |
{ | |
} | |
/*! | |
Returns the set of strings representing the topic commands. | |
*/ | |
QSet<QString> QmlCodeParser::topicCommands() | |
{ | |
return QSet<QString>() << COMMAND_VARIABLE | |
<< COMMAND_QMLCLASS | |
<< COMMAND_QMLPROPERTY | |
<< COMMAND_QMLATTACHEDPROPERTY | |
<< COMMAND_QMLSIGNAL | |
<< COMMAND_QMLATTACHEDSIGNAL | |
<< COMMAND_QMLMETHOD | |
<< COMMAND_QMLATTACHEDMETHOD | |
<< COMMAND_QMLBASICTYPE; | |
} | |
/*! | |
Returns the set of strings representing the common metacommands | |
plus some other metacommands. | |
*/ | |
QSet<QString> QmlCodeParser::otherMetaCommands() | |
{ | |
return commonMetaCommands() << COMMAND_STARTPAGE | |
<< COMMAND_QMLINHERITS | |
<< COMMAND_QMLDEFAULT; | |
} | |
/* | |
Copied and pasted from src/declarative/qml/qdeclarativescriptparser.cpp. | |
*/ | |
static void replaceWithSpace(QString &str, int idx, int n) | |
{ | |
QChar *data = str.data() + idx; | |
const QChar space(QLatin1Char(' ')); | |
for (int ii = 0; ii < n; ++ii) | |
*data++ = space; | |
} | |
/* | |
Copied and pasted from src/declarative/qml/qdeclarativescriptparser.cpp then | |
modified to return no values. | |
Searches for ".pragma <value>" declarations within \a script. Currently supported pragmas | |
are: | |
library | |
*/ | |
void QmlCodeParser::extractPragmas(QString &script) | |
{ | |
const QString pragma(QLatin1String("pragma")); | |
const QString library(QLatin1String("library")); | |
QDeclarativeJS::Lexer l(0); | |
l.setCode(script, 0); | |
int token = l.lex(); | |
while (true) { | |
if (token != QDeclarativeJSGrammar::T_DOT) | |
return; | |
int startOffset = l.tokenOffset(); | |
int startLine = l.currentLineNo(); | |
token = l.lex(); | |
if (token != QDeclarativeJSGrammar::T_IDENTIFIER || | |
l.currentLineNo() != startLine || | |
script.mid(l.tokenOffset(), l.tokenLength()) != pragma) | |
return; | |
token = l.lex(); | |
if (token != QDeclarativeJSGrammar::T_IDENTIFIER || | |
l.currentLineNo() != startLine) | |
return; | |
QString pragmaValue = script.mid(l.tokenOffset(), l.tokenLength()); | |
int endOffset = l.tokenLength() + l.tokenOffset(); | |
token = l.lex(); | |
if (l.currentLineNo() == startLine) | |
return; | |
if (pragmaValue == QLatin1String("library")) | |
replaceWithSpace(script, startOffset, endOffset - startOffset); | |
else | |
return; | |
} | |
return; | |
} | |
QT_END_NAMESPACE |