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

Changed ExpressionUnderCursor to handle Objective-C send-message operations.

Browse Source
This commit is contained in:
Erik Verbruggen
2009-11-11 09:35:42 +01:00
parent a6bbec2b56
commit 2d2d0b59c8
2 changed files with 177 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
src/libs/cplusplus/ExpressionUnderCursor.cpp
View File

@@ -106,8 +106,45 @@ int ExpressionUnderCursor::startOfExpression_helper(BackwardsScanner &tk, int in
return startOfExpression(tk, index - 2);
} else if (tk[index - 2].is(T_DOT_STAR) || tk[index - 2].is(T_ARROW_STAR)) {
return startOfExpression(tk, index - 2);
// } else if (tk[index - 2].is(T_IDENTIFIER) && tk[index - 3].is(T_LBRACKET)) {
// return index - 3;
} else if (tk[index - 2].is(T_LBRACKET)) {
// array subscription:
// array[i
return index - 1;
} else if (tk[index - 2].is(T_COLON)) {
// either of:
// cond ? expr1 : id
// or:
// [receiver messageParam:id
// and in both cases, the id (and only the id) is what we want, so:
return index - 1;
} else if (tk[index - 2].is(T_IDENTIFIER) && tk[index - 3].is(T_LBRACKET)) {
// Very common Objective-C case:
// [receiver message
// which we handle immediately:
return index - 3;
} else {
// See if we are handling an Objective-C messaging expression in the form of:
// [receiver messageParam1:expression messageParam2
// or:
// [receiver messageParam1:expression messageParam2:expression messageParam3
// ... etc
int i = index - 1;
while (tk[i].isNot(T_EOF_SYMBOL)) {
if (tk[i].is(T_LBRACKET))
break;
if (tk[i].is(T_LBRACE) || tk[i].is(T_RBRACE))
break;
else if (tk[i].is(T_RBRACKET))
i = tk.startOfMatchingBrace(i + 1) - 1;
else
--i;
}
int j = i;
while (tk[j].is(T_LBRACKET))
++j;
if (tk[j].is(T_IDENTIFIER) && tk[j + 1].is(T_IDENTIFIER))
return i;
}
return index - 1;
} else if (tk[index - 1].is(T_RPAREN)) {

139
tests/auto/cplusplus/semantic/tst_semantic.cpp
View File

@@ -78,7 +78,7 @@ public:
: errorCount(0)
{ }
virtual void report(int level,
virtual void report(int /*level*/,
StringLiteral *fileName,
unsigned line, unsigned column,
const char *format, va_list ap)
@@ -118,6 +118,15 @@ private slots:
void expression_under_cursor_1();
void bracketed_expression_under_cursor_1();
void bracketed_expression_under_cursor_2();
void bracketed_expression_under_cursor_3();
void bracketed_expression_under_cursor_4();
void bracketed_expression_under_cursor_5();
void bracketed_expression_under_cursor_6();
void bracketed_expression_under_cursor_7();
void bracketed_expression_under_cursor_8();
void objcClass_1();
};
@@ -447,6 +456,134 @@ void tst_Semantic::expression_under_cursor_1()
QCOMPARE(expression, QString("bar"));
}
void tst_Semantic::bracketed_expression_under_cursor_1()
{
const QString plainText = "int i = 0, j[1], k = j[i";
QTextDocument textDocument;
textDocument.setPlainText(plainText);
QTextCursor tc(&textDocument);
tc.movePosition(QTextCursor::End);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
QCOMPARE(expression, QString("i"));
}
void tst_Semantic::bracketed_expression_under_cursor_2()
{
const QString plainText = "[receiver msg";
QTextDocument textDocument;
textDocument.setPlainText(plainText);
QTextCursor tc(&textDocument);
tc.movePosition(QTextCursor::End);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
QCOMPARE(expression, plainText);
}
void tst_Semantic::bracketed_expression_under_cursor_3()
{
const QString plainText = "[receiver msgParam1:0 msgParam2";
QTextDocument textDocument;
textDocument.setPlainText(plainText);
QTextCursor tc(&textDocument);
tc.movePosition(QTextCursor::End);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
QCOMPARE(expression, plainText);
}
void tst_Semantic::bracketed_expression_under_cursor_4()
{
const QString plainText = "[receiver msgParam1:0 msgParam2:@\"zoo\" msgParam3";
QTextDocument textDocument;
textDocument.setPlainText(plainText);
QTextCursor tc(&textDocument);
tc.movePosition(QTextCursor::End);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
QCOMPARE(expression, plainText);
}
void tst_Semantic::bracketed_expression_under_cursor_5()
{
const QString plainText = "if ([receiver message";
QTextDocument textDocument;
textDocument.setPlainText(plainText);
QTextCursor tc(&textDocument);
tc.movePosition(QTextCursor::End);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
QCOMPARE(expression, QString("[receiver message"));
}
void tst_Semantic::bracketed_expression_under_cursor_6()
{
const QString plainText = "if ([receiver msgParam1:1 + i[1] msgParam2";
QTextDocument textDocument;
textDocument.setPlainText(plainText);
QTextCursor tc(&textDocument);
tc.movePosition(QTextCursor::End);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
QCOMPARE(expression, QString("[receiver msgParam1:1 + i[1] msgParam2"));
}
void tst_Semantic::bracketed_expression_under_cursor_7()
{
const QString plainText = "int i = 0, j[1], k = j[(i == 0) ? 0 : i";
QTextDocument textDocument;
textDocument.setPlainText(plainText);
QTextCursor tc(&textDocument);
tc.movePosition(QTextCursor::End);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
QCOMPARE(expression, QString("i"));
}
void tst_Semantic::bracketed_expression_under_cursor_8()
{
const QString plainText = "[[receiver msg] param1:[receiver msg] param2";
QTextDocument textDocument;
textDocument.setPlainText(plainText);
QTextCursor tc(&textDocument);
tc.movePosition(QTextCursor::End);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
QCOMPARE(expression, plainText);
}
void tst_Semantic::objcClass_1()
{
QSharedPointer<Document> doc = document("\n"