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Fixed #7065 (AST: More explicit handling of lambda functions, generate ast for ';new Fred;')

This commit is contained in:
Daniel Marjamäki 2015-10-20 23:55:29 +02:00
parent 3b1d849476
commit fc2bf2ef08
2 changed files with 17 additions and 8 deletions
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24
lib/tokenlist.cpp
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@ -638,6 +638,7 @@ static void compilePrecedence2(Token *&tok, AST_state& state)
} else
compileBinOp(tok, state, compileScope);
} else if (tok->str() == "[") {
bool lambda = false;
if (state.cpp && isPrefixUnary(tok, state.cpp) && tok->link()->strAt(1) == "(") { // Lambda
// What we do here:
// - Nest the round bracket under the square bracket.
@ -645,14 +646,18 @@ static void compilePrecedence2(Token *&tok, AST_state& state)
// - Compile the content of the lambda function as separate tree (this is done later)
Token* squareBracket = tok;
Token* roundBracket = squareBracket->link()->next();
Token* curlyBracket = Token::findsimplematch(roundBracket->link()->next(), "{");
if (!curlyBracket)
break;
squareBracket->astOperand1(roundBracket);
roundBracket->astOperand1(curlyBracket);
state.op.push(squareBracket);
tok = curlyBracket->link()->next();
} else {
Token* curlyBracket = roundBracket->link()->next();
while (Token::Match(curlyBracket, "%name%|.|::"))
curlyBracket = curlyBracket->next();
if (Token::simpleMatch(curlyBracket, "{")) {
lambda = true;
squareBracket->astOperand1(roundBracket);
roundBracket->astOperand1(curlyBracket);
state.op.push(squareBracket);
tok = curlyBracket->link()->next();
}
}
if (!lambda) {
Token* tok2 = tok;
if (tok->strAt(1) != "]")
compileBinOp(tok, state, compileExpression);
@ -1005,6 +1010,9 @@ static Token * createAstAtToken(Token *tok, bool cpp)
return tok->linkAt(1);
if (tok->str() == "return" || !tok->previous() || Token::Match(tok, "%name% %op%|(|[|.|::|<|?") || Token::Match(tok->previous(), "[;{}] %cop%|++|--|( !!{")) {
if (cpp && Token::Match(tok->tokAt(-2), "[;{}] new|delete %name%"))
tok = tok->previous();
Token * const tok1 = tok;
AST_state state(cpp);
compileExpression(tok, state);

1
test/testtokenize.cpp
View File

@ -8105,6 +8105,7 @@ private:
ASSERT_EQUALS("ab.3c-(delete", testAst("delete[] a.b(3 - c);"));
ASSERT_EQUALS("a::new=", testAst("a = new (b) ::X;"));
ASSERT_EQUALS("aA1(new(bB2(new(,", testAst("a(new A(1)), b(new B(2))"));
ASSERT_EQUALS("Fred10[new", testAst(";new Fred[10];"));
// invalid code (libreoffice), don't hang
// #define SlideSorterViewShell