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path: root/src/tools/qdoc/qmlparser/qqmljslexer.cpp
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Diffstat (limited to 'src/tools/qdoc/qmlparser/qqmljslexer.cpp')
-rw-r--r--src/tools/qdoc/qmlparser/qqmljslexer.cpp162
1 files changed, 139 insertions, 23 deletions
diff --git a/src/tools/qdoc/qmlparser/qqmljslexer.cpp b/src/tools/qdoc/qmlparser/qqmljslexer.cpp
index 69dcb15794..62748ef10d 100644
--- a/src/tools/qdoc/qmlparser/qqmljslexer.cpp
+++ b/src/tools/qdoc/qmlparser/qqmljslexer.cpp
@@ -887,8 +887,7 @@ again:
int Lexer::scanNumber(QChar ch)
{
if (ch != QLatin1Char('0')) {
- QByteArray buf;
- buf.reserve(64);
+ QVarLengthArray<char, 64> buf;
buf += ch.toLatin1();
QChar n = _char;
@@ -1225,12 +1224,60 @@ bool Lexer::canInsertAutomaticSemicolon(int token) const
|| _followsClosingBrace;
}
-bool Lexer::scanDirectives(Directives *directives)
+static const int uriTokens[] = {
+ QQmlJSGrammar::T_IDENTIFIER,
+ QQmlJSGrammar::T_PROPERTY,
+ QQmlJSGrammar::T_SIGNAL,
+ QQmlJSGrammar::T_READONLY,
+ QQmlJSGrammar::T_ON,
+ QQmlJSGrammar::T_BREAK,
+ QQmlJSGrammar::T_CASE,
+ QQmlJSGrammar::T_CATCH,
+ QQmlJSGrammar::T_CONTINUE,
+ QQmlJSGrammar::T_DEFAULT,
+ QQmlJSGrammar::T_DELETE,
+ QQmlJSGrammar::T_DO,
+ QQmlJSGrammar::T_ELSE,
+ QQmlJSGrammar::T_FALSE,
+ QQmlJSGrammar::T_FINALLY,
+ QQmlJSGrammar::T_FOR,
+ QQmlJSGrammar::T_FUNCTION,
+ QQmlJSGrammar::T_IF,
+ QQmlJSGrammar::T_IN,
+ QQmlJSGrammar::T_INSTANCEOF,
+ QQmlJSGrammar::T_NEW,
+ QQmlJSGrammar::T_NULL,
+ QQmlJSGrammar::T_RETURN,
+ QQmlJSGrammar::T_SWITCH,
+ QQmlJSGrammar::T_THIS,
+ QQmlJSGrammar::T_THROW,
+ QQmlJSGrammar::T_TRUE,
+ QQmlJSGrammar::T_TRY,
+ QQmlJSGrammar::T_TYPEOF,
+ QQmlJSGrammar::T_VAR,
+ QQmlJSGrammar::T_VOID,
+ QQmlJSGrammar::T_WHILE,
+ QQmlJSGrammar::T_CONST,
+ QQmlJSGrammar::T_DEBUGGER,
+ QQmlJSGrammar::T_RESERVED_WORD,
+ QQmlJSGrammar::T_WITH,
+
+ QQmlJSGrammar::EOF_SYMBOL
+};
+static inline bool isUriToken(int token)
{
- if (_qmlMode) {
- // the directives are a Javascript-only extension.
- return false;
+ const int *current = uriTokens;
+ while (*current != QQmlJSGrammar::EOF_SYMBOL) {
+ if (*current == token)
+ return true;
+ ++current;
}
+ return false;
+}
+
+bool Lexer::scanDirectives(Directives *directives, DiagnosticMessage *error)
+{
+ Q_ASSERT(!_qmlMode);
lex(); // fetch the first token
@@ -1238,24 +1285,33 @@ bool Lexer::scanDirectives(Directives *directives)
return true;
do {
- lex(); // skip T_DOT
-
const int lineNumber = tokenStartLine();
+ const int column = tokenStartColumn();
+
+ lex(); // skip T_DOT
if (! (_tokenKind == T_IDENTIFIER || _tokenKind == T_RESERVED_WORD))
- return false; // expected a valid QML/JS directive
+ return true; // expected a valid QML/JS directive
const QString directiveName = tokenText();
if (! (directiveName == QLatin1String("pragma") ||
- directiveName == QLatin1String("import")))
+ directiveName == QLatin1String("import"))) {
+ error->message = QCoreApplication::translate("QQmlParser", "Syntax error");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
return false; // not a valid directive name
+ }
// it must be a pragma or an import directive.
if (directiveName == QLatin1String("pragma")) {
// .pragma library
- if (! (lex() == T_IDENTIFIER && tokenText() == QLatin1String("library")))
+ if (! (lex() == T_IDENTIFIER && tokenText() == QLatin1String("library"))) {
+ error->message = QCoreApplication::translate("QQmlParser", "Syntax error");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
return false; // expected `library
+ }
// we found a .pragma library directive
directives->pragmaLibrary();
@@ -1274,22 +1330,53 @@ bool Lexer::scanDirectives(Directives *directives)
fileImport = true;
pathOrUri = tokenText();
+ if (!pathOrUri.endsWith(QLatin1String("js"))) {
+ error->message = QCoreApplication::translate("QQmlParser","Imported file must be a script");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
+ return false;
+ }
+
} else if (_tokenKind == T_IDENTIFIER) {
// .import T_IDENTIFIER (. T_IDENTIFIER)* T_NUMERIC_LITERAL as T_IDENTIFIER
- pathOrUri = tokenText();
+ while (true) {
+ if (!isUriToken(_tokenKind)) {
+ error->message = QCoreApplication::translate("QQmlParser","Invalid module URI");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
+ return false;
+ }
- lex(); // skip the first T_IDENTIFIER
- for (; _tokenKind == T_DOT; lex()) {
- if (lex() != T_IDENTIFIER)
+ pathOrUri.append(tokenText());
+
+ lex();
+ if (tokenStartLine() != lineNumber) {
+ error->message = QCoreApplication::translate("QQmlParser","Invalid module URI");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
return false;
+ }
+ if (_tokenKind != QQmlJSGrammar::T_DOT)
+ break;
+
+ pathOrUri.append(QLatin1Char('.'));
- pathOrUri += QLatin1Char('.');
- pathOrUri += tokenText();
+ lex();
+ if (tokenStartLine() != lineNumber) {
+ error->message = QCoreApplication::translate("QQmlParser","Invalid module URI");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
+ return false;
+ }
}
- if (_tokenKind != T_NUMERIC_LITERAL)
+ if (_tokenKind != T_NUMERIC_LITERAL) {
+ error->message = QCoreApplication::translate("QQmlParser","Module import requires a version");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
return false; // expected the module version number
+ }
version = tokenText();
}
@@ -1297,22 +1384,51 @@ bool Lexer::scanDirectives(Directives *directives)
//
// recognize the mandatory `as' followed by the module name
//
- if (! (lex() == T_IDENTIFIER && tokenText() == QLatin1String("as")))
+ if (! (lex() == T_IDENTIFIER && tokenText() == QLatin1String("as") && tokenStartLine() == lineNumber)) {
+ if (fileImport)
+ error->message = QCoreApplication::translate("QQmlParser", "File import requires a qualifier");
+ else
+ error->message = QCoreApplication::translate("QQmlParser", "Module import requires a qualifier");
+ if (tokenStartLine() != lineNumber) {
+ error->loc.startLine = lineNumber;
+ error->loc.startColumn = column;
+ } else {
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
+ }
return false; // expected `as'
+ }
- if (lex() != T_IDENTIFIER)
+ if (lex() != T_IDENTIFIER || tokenStartLine() != lineNumber) {
+ if (fileImport)
+ error->message = QCoreApplication::translate("QQmlParser", "File import requires a qualifier");
+ else
+ error->message = QCoreApplication::translate("QQmlParser", "Module import requires a qualifier");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
return false; // expected module name
+ }
const QString module = tokenText();
+ if (!module.at(0).isUpper()) {
+ error->message = QCoreApplication::translate("QQmlParser","Invalid import qualifier");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
+ return false;
+ }
if (fileImport)
- directives->importFile(pathOrUri, module);
+ directives->importFile(pathOrUri, module, lineNumber, column);
else
- directives->importModule(pathOrUri, version, module);
+ directives->importModule(pathOrUri, version, module, lineNumber, column);
}
- if (tokenStartLine() != lineNumber)
+ if (tokenStartLine() != lineNumber) {
+ error->message = QCoreApplication::translate("QQmlParser", "Syntax error");
+ error->loc.startLine = tokenStartLine();
+ error->loc.startColumn = tokenStartColumn();
return false; // the directives cannot span over multiple lines
+ }
// fetch the first token after the .pragma/.import directive
lex();