Fixed #10831 ("Analysis failed (lambda not recognized)" with lamba default parameter in lambda signature)

lib/tokenlist.cpp

@@ -489,6 +489,8 @@ struct AST_state {
     explicit AST_state(bool cpp) : depth(0), inArrayAssignment(0), cpp(cpp), assign(0), inCase(false),stopAtColon(false), functionCallEndPar(nullptr) {}
 };
 
+static Token * createAstAtToken(Token *tok, bool cpp);
+
 static Token* skipDecl(Token* tok, std::vector<Token*>* inner = nullptr)
 {
     if (!Token::Match(tok->previous(), "( %name%"))
@@ -974,6 +976,9 @@ static void compilePrecedence2(Token *&tok, AST_state& state)
                         squareBracket->astOperand1(roundBracket);
                         roundBracket->astOperand1(curlyBracket);
                         state.op.push(squareBracket);
+                        for (tok = roundBracket->next(); precedes(tok, roundBracket->link()); tok = tok->next()) {
+                            tok = createAstAtToken(tok, state.cpp);
+                        }
                         tok = curlyBracket->link()->next();
                         continue;
                     }
@@ -1361,8 +1366,6 @@ static bool isLambdaCaptureList(const Token * tok)
     return true;
 }
 
-static Token * createAstAtToken(Token *tok, bool cpp);
-
 // Compile inner expressions inside inner ({..}) and lambda bodies
 static void createAstAtTokenInner(Token * const tok1, const Token *endToken, bool cpp)
 {

test/testtokenize.cpp

@@ -6469,6 +6469,9 @@ private:
                               "    const auto y = z;\n"
                               "    switch (y) {}\n"
                               "};"));
+
+        // #10831
+        ASSERT_EQUALS("f{([= x{([=", testAst("void foo() { F f = [](t x = []() {}) {}; }"));
     }
 
     void astcase() {