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Improved parsing of ambiguous statements.

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Done with Erik Verbruggen
This commit is contained in:
Roberto Raggi
2009-10-19 17:47:49 +02:00
parent aa89317731
commit fe2c9cc16d
3 changed files with 165 additions and 19 deletions
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76
tests/auto/cplusplus/ast/tst_ast.cpp
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@@ -58,6 +58,12 @@ private slots:
void while_condition_statement();
void for_statement();
void cpp_initializer_or_function_declaration();
void simple_declaration_1();
void function_call_1();
void function_call_2();
void function_call_3();
void nested_deref_expression();
void assignment_1();
// objc++
void objc_attributes_followed_by_at_keyword();
@@ -78,6 +84,19 @@ void tst_AST::gcc_attributes_1()
));
}
void tst_AST::simple_declaration_1()
{
QSharedPointer<TranslationUnit> unit(parseStatement("\n"
"a * b = 10;"
));
AST *ast = unit->ast();
QVERIFY(ast);
DeclarationStatementAST *declStmt = ast->asDeclarationStatement();
QVERIFY(declStmt);
}
void tst_AST::simple_name()
{
QSharedPointer<TranslationUnit> unit(parseExpression("a"));
@@ -161,7 +180,7 @@ void tst_AST::new_expression_2()
void tst_AST::condition_1()
{
QSharedPointer<TranslationUnit> unit(parseExpression("\n"
"(x < 0 && y > (int) a"
"(x < 0 && y > (int) a)"
));
AST *ast = unit->ast();
@@ -178,6 +197,46 @@ void tst_AST::init_1()
QVERIFY(ast != 0);
}
void tst_AST::function_call_1()
{
QSharedPointer<TranslationUnit> unit(parseStatement("retranslateUi(blah);"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asExpressionStatement());
}
void tst_AST::function_call_2()
{
QSharedPointer<TranslationUnit> unit(parseStatement("retranslateUi(10);"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asExpressionStatement());
}
void tst_AST::function_call_3()
{
QSharedPointer<TranslationUnit> unit(parseStatement("(*blah) = 10;"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asExpressionStatement());
}
void tst_AST::nested_deref_expression()
{
QSharedPointer<TranslationUnit> unit(parseStatement("(*blah);"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asExpressionStatement());
}
void tst_AST::assignment_1()
{
QSharedPointer<TranslationUnit> unit(parseStatement("a(x) = 3;"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asExpressionStatement());
}
void tst_AST::if_statement()
{
QSharedPointer<TranslationUnit> unit(parseStatement("if (a) b;"));
@@ -195,7 +254,7 @@ void tst_AST::if_statement()
QCOMPARE(stmt->else_token, 0U);
QVERIFY(stmt->else_statement == 0);
// check the `then' statement
// check the `then' statement1
ExpressionStatementAST *then_stmt = stmt->statement->asExpressionStatement();
QVERIFY(then_stmt != 0);
QVERIFY(then_stmt->expression != 0);
@@ -435,7 +494,7 @@ void tst_AST::normal_array_access()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"int f() {\n"
" int a[15];\n"
" int a[10];\n"
" int b = 1;\n"
" return a[b];\n"
"}"
@@ -447,7 +506,10 @@ void tst_AST::normal_array_access()
QVERIFY(func);
StatementListAST *bodyStatements = func->function_body->asCompoundStatement()->statements;
QVERIFY(bodyStatements && bodyStatements->next && bodyStatements->next->next && bodyStatements->next->next->statement);
QVERIFY(bodyStatements);
QVERIFY(bodyStatements->next);
QVERIFY(bodyStatements->next->next);
QVERIFY(bodyStatements->next->next->statement);
ExpressionAST *expr = bodyStatements->next->next->statement->asReturnStatement()->expression;
QVERIFY(expr);
@@ -536,9 +598,9 @@ void tst_AST::objc_msg_send_expression()
QVERIFY(bodyStatements && bodyStatements->next && !bodyStatements->next->next && bodyStatements->next->statement);
{// check the NSObject declaration
ExpressionOrDeclarationStatementAST *firstStatement = bodyStatements->statement->asExpressionOrDeclarationStatement();
QVERIFY(firstStatement && firstStatement->declaration && firstStatement->declaration->asDeclarationStatement());
DeclarationAST *objDecl = firstStatement->declaration->asDeclarationStatement()->declaration;
DeclarationStatementAST *firstStatement = bodyStatements->statement->asDeclarationStatement();
QVERIFY(firstStatement);
DeclarationAST *objDecl = firstStatement->declaration;
QVERIFY(objDecl);
SimpleDeclarationAST *simpleDecl = objDecl->asSimpleDeclaration();
QVERIFY(simpleDecl);