Files
qt-creator/tests/auto/cplusplus/ast/tst_ast.cpp
Roberto Raggi 75a7abb8c5 Compile.
2009-12-02 12:45:28 +01:00

756 lines
27 KiB
C++

#include <QtTest>
#include <QtDebug>
#include <Control.h>
#include <Literals.h>
#include <Parser.h>
#include <AST.h>
using namespace CPlusPlus;
class tst_AST: public QObject
{
Q_OBJECT
Control control;
public:
TranslationUnit *parse(const QByteArray &source,
TranslationUnit::ParseMode mode,
bool blockErrors = false)
{
const StringLiteral *fileId = control.findOrInsertStringLiteral("<stdin>");
TranslationUnit *unit = new TranslationUnit(&control, fileId);
unit->setObjCEnabled(true);
unit->setSource(source.constData(), source.length());
unit->blockErrors(blockErrors);
unit->parse(mode);
return unit;
}
TranslationUnit *parseDeclaration(const QByteArray &source, bool blockErrors = false)
{ return parse(source, TranslationUnit::ParseDeclaration, blockErrors); }
TranslationUnit *parseExpression(const QByteArray &source)
{ return parse(source, TranslationUnit::ParseExpression); }
TranslationUnit *parseStatement(const QByteArray &source)
{ return parse(source, TranslationUnit::ParseStatement); }
private slots:
// declarations
void gcc_attributes_1();
// expressions
void simple_name_1();
void template_id_1();
void new_expression_1();
void new_expression_2();
void condition_1();
void init_1();
// statements
void if_statement_1();
void if_statement_2();
void if_statement_3();
void if_else_statement();
void while_statement();
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 function_call_4();
void nested_deref_expression();
void assignment_1();
void assignment_2();
// objc++
void objc_simple_class();
void objc_attributes_followed_by_at_keyword();
void objc_protocol_forward_declaration_1();
void objc_protocol_definition_1();
// expressions with (square) brackets
void normal_array_access();
void array_access_with_nested_expression();
void objc_msg_send_expression();
void objc_msg_send_expression_without_selector();
};
void tst_AST::gcc_attributes_1()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"static inline void *__attribute__((__always_inline__)) _mm_malloc(size_t size, size_t align);"
));
}
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_1()
{
QSharedPointer<TranslationUnit> unit(parseExpression("a"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asSimpleName() != 0);
QCOMPARE(ast->asSimpleName()->identifier_token, 1U);
}
void tst_AST::template_id_1()
{
QSharedPointer<TranslationUnit> unit(parseExpression("list<10>"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asTemplateId() != 0);
QCOMPARE(ast->asTemplateId()->identifier_token, 1U);
QCOMPARE(ast->asTemplateId()->less_token, 2U);
QVERIFY(ast->asTemplateId()->template_argument_list != 0);
QVERIFY(ast->asTemplateId()->template_argument_list->value != 0);
QVERIFY(ast->asTemplateId()->template_argument_list->value->asNumericLiteral() != 0);
QCOMPARE(ast->asTemplateId()->template_argument_list->value->asNumericLiteral()->literal_token, 3U);
QVERIFY(ast->asTemplateId()->template_argument_list->next == 0);
QCOMPARE(ast->asTemplateId()->greater_token, 4U);
}
void tst_AST::new_expression_1()
{
QSharedPointer<TranslationUnit> unit(parseExpression("\n"
"new char"
));
AST *ast = unit->ast();
QVERIFY(ast != 0);
NewExpressionAST *expr = ast->asNewExpression();
QVERIFY(expr != 0);
QCOMPARE(expr->scope_token, 0U);
QCOMPARE(expr->new_token, 1U);
QVERIFY(expr->new_placement == 0);
QCOMPARE(expr->lparen_token, 0U);
QVERIFY(expr->type_id == 0);
QCOMPARE(expr->rparen_token, 0U);
QVERIFY(expr->new_type_id != 0);
QVERIFY(expr->new_initializer == 0);
QVERIFY(expr->new_type_id->type_specifier_list != 0);
QVERIFY(expr->new_type_id->ptr_operator_list == 0);
QVERIFY(expr->new_type_id->new_array_declarator_list == 0);
}
void tst_AST::new_expression_2()
{
QSharedPointer<TranslationUnit> unit(parseStatement("\n"
"::new(__p) _Tp(__val);"
));
AST *ast = unit->ast();
QVERIFY(ast != 0);
ExpressionStatementAST *stmt = ast->asExpressionStatement();
QVERIFY(stmt != 0);
QVERIFY(stmt->expression != 0);
QVERIFY(stmt->semicolon_token != 0);
NewExpressionAST *expr = stmt->expression->asNewExpression();
QVERIFY(expr != 0);
QCOMPARE(expr->scope_token, 1U);
QCOMPARE(expr->new_token, 2U);
QVERIFY(expr->new_placement != 0);
QCOMPARE(expr->lparen_token, 0U);
QVERIFY(expr->type_id == 0);
QCOMPARE(expr->rparen_token, 0U);
QVERIFY(expr->new_type_id != 0);
QVERIFY(expr->new_initializer != 0);
}
void tst_AST::condition_1()
{
QSharedPointer<TranslationUnit> unit(parseExpression("\n"
"(x < 0 && y > (int) a)"
));
AST *ast = unit->ast();
QVERIFY(ast != 0);
}
void tst_AST::init_1()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"x y[] = { X<10>, y };"
));
AST *ast = unit->ast();
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("advance();"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asExpressionStatement());
}
void tst_AST::function_call_4()
{
QSharedPointer<TranslationUnit> unit(parseStatement("checkPropertyAttribute(attrAst, propAttrs, ReadWrite);"));
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::assignment_2()
{
QSharedPointer<TranslationUnit> unit(parseStatement("(*blah) = 10;"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
QVERIFY(ast->asExpressionStatement());
}
void tst_AST::if_statement_1()
{
QSharedPointer<TranslationUnit> unit(parseStatement("if (a) b;"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
IfStatementAST *stmt = ast->asIfStatement();
QVERIFY(stmt != 0);
QCOMPARE(stmt->if_token, 1U);
QCOMPARE(stmt->lparen_token, 2U);
QVERIFY(stmt->condition != 0);
QCOMPARE(stmt->rparen_token, 4U);
QVERIFY(stmt->statement != 0);
QCOMPARE(stmt->else_token, 0U);
QVERIFY(stmt->else_statement == 0);
// check the `then' statement1
ExpressionStatementAST *then_stmt = stmt->statement->asExpressionStatement();
QVERIFY(then_stmt != 0);
QVERIFY(then_stmt->expression != 0);
QCOMPARE(then_stmt->semicolon_token, 6U);
SimpleNameAST *id_expr = then_stmt->expression->asSimpleName();
QVERIFY(id_expr != 0);
QCOMPARE(id_expr->identifier_token, 5U);
}
void tst_AST::if_statement_2()
{
QSharedPointer<TranslationUnit> unit(parseStatement("if (x<0 && y>a);"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
IfStatementAST *stmt = ast->asIfStatement();
QVERIFY(stmt != 0);
QVERIFY(stmt->condition);
QVERIFY(stmt->condition->asBinaryExpression());
QCOMPARE(unit->tokenKind(stmt->condition->asBinaryExpression()->binary_op_token), int(T_AMPER_AMPER));
}
void tst_AST::if_statement_3()
{
QSharedPointer<TranslationUnit> unit(parseStatement("if (x<0 && x<0 && x<0 && x<0 && x<0 && x<0 && x<0);"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
IfStatementAST *stmt = ast->asIfStatement();
QVERIFY(stmt != 0);
QVERIFY(stmt->condition);
}
void tst_AST::if_else_statement()
{
QSharedPointer<TranslationUnit> unit(parseStatement("if (a) b; else c;"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
IfStatementAST *stmt = ast->asIfStatement();
QVERIFY(stmt != 0);
QCOMPARE(stmt->if_token, 1U);
QCOMPARE(stmt->lparen_token, 2U);
QVERIFY(stmt->condition != 0);
QCOMPARE(stmt->rparen_token, 4U);
QVERIFY(stmt->statement != 0);
QCOMPARE(stmt->else_token, 7U);
QVERIFY(stmt->else_statement != 0);
// check the `then' statement
ExpressionStatementAST *then_stmt = stmt->statement->asExpressionStatement();
QVERIFY(then_stmt != 0);
QVERIFY(then_stmt->expression != 0);
QCOMPARE(then_stmt->semicolon_token, 6U);
SimpleNameAST *a_id_expr = then_stmt->expression->asSimpleName();
QVERIFY(a_id_expr != 0);
QCOMPARE(a_id_expr->identifier_token, 5U);
// check the `then' statement
ExpressionStatementAST *else_stmt = stmt->else_statement->asExpressionStatement();
QVERIFY(else_stmt != 0);
QVERIFY(else_stmt->expression != 0);
QCOMPARE(else_stmt->semicolon_token, 9U);
SimpleNameAST *b_id_expr = else_stmt->expression->asSimpleName();
QVERIFY(b_id_expr != 0);
QCOMPARE(b_id_expr->identifier_token, 8U);
}
void tst_AST::while_statement()
{
QSharedPointer<TranslationUnit> unit(parseStatement("while (a) { }"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
WhileStatementAST *stmt = ast->asWhileStatement();
QVERIFY(stmt != 0);
QCOMPARE(stmt->while_token, 1U);
QCOMPARE(stmt->lparen_token, 2U);
QVERIFY(stmt->condition != 0);
QCOMPARE(stmt->rparen_token, 4U);
QVERIFY(stmt->statement != 0);
// check condition
QVERIFY(stmt->condition->asSimpleName() != 0);
QCOMPARE(stmt->condition->asSimpleName()->identifier_token, 3U);
// check the `body' statement
CompoundStatementAST *body_stmt = stmt->statement->asCompoundStatement();
QVERIFY(body_stmt != 0);
QCOMPARE(body_stmt->lbrace_token, 5U);
QVERIFY(body_stmt->statement_list == 0);
QCOMPARE(body_stmt->rbrace_token, 6U);
}
void tst_AST::while_condition_statement()
{
QSharedPointer<TranslationUnit> unit(parseStatement("while (int a = foo) { }"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
WhileStatementAST *stmt = ast->asWhileStatement();
QVERIFY(stmt != 0);
QCOMPARE(stmt->while_token, 1U);
QCOMPARE(stmt->lparen_token, 2U);
QVERIFY(stmt->condition != 0);
QCOMPARE(stmt->rparen_token, 7U);
QVERIFY(stmt->statement != 0);
// check condition
ConditionAST *condition = stmt->condition->asCondition();
QVERIFY(condition != 0);
QVERIFY(condition->type_specifier_list != 0);
QVERIFY(condition->type_specifier_list->value->asSimpleSpecifier() != 0);
QCOMPARE(condition->type_specifier_list->value->asSimpleSpecifier()->specifier_token, 3U);
QVERIFY(condition->type_specifier_list->next == 0);
QVERIFY(condition->declarator != 0);
QVERIFY(condition->declarator->core_declarator != 0);
QVERIFY(condition->declarator->core_declarator->asDeclaratorId() != 0);
QVERIFY(condition->declarator->core_declarator->asDeclaratorId()->name != 0);
QVERIFY(condition->declarator->core_declarator->asDeclaratorId()->name->asSimpleName() != 0);
QCOMPARE(condition->declarator->core_declarator->asDeclaratorId()->name->asSimpleName()->identifier_token, 4U);
QVERIFY(condition->declarator->postfix_declarator_list == 0);
QVERIFY(condition->declarator->initializer != 0);
QVERIFY(condition->declarator->initializer->asSimpleName() != 0);
QCOMPARE(condition->declarator->initializer->asSimpleName()->identifier_token, 6U);
// check the `body' statement
CompoundStatementAST *body_stmt = stmt->statement->asCompoundStatement();
QVERIFY(body_stmt != 0);
QCOMPARE(body_stmt->lbrace_token, 8U);
QVERIFY(body_stmt->statement_list == 0);
QCOMPARE(body_stmt->rbrace_token, 9U);
}
void tst_AST::for_statement()
{
QSharedPointer<TranslationUnit> unit(parseStatement("for (;;) {}"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
ForStatementAST *stmt = ast->asForStatement();
QVERIFY(stmt != 0);
QCOMPARE(stmt->for_token, 1U);
QCOMPARE(stmt->lparen_token, 2U);
QVERIFY(stmt->initializer != 0);
QVERIFY(stmt->initializer->asExpressionStatement() != 0);
QCOMPARE(stmt->initializer->asExpressionStatement()->semicolon_token, 3U);
QVERIFY(stmt->condition == 0);
QCOMPARE(stmt->semicolon_token, 4U);
QVERIFY(stmt->expression == 0);
QCOMPARE(stmt->rparen_token, 5U);
QVERIFY(stmt->statement != 0);
QVERIFY(stmt->statement->asCompoundStatement() != 0);
QCOMPARE(stmt->statement->asCompoundStatement()->lbrace_token, 6U);
QVERIFY(stmt->statement->asCompoundStatement()->statement_list == 0);
QCOMPARE(stmt->statement->asCompoundStatement()->rbrace_token, 7U);
}
void tst_AST::cpp_initializer_or_function_declaration()
{
QSharedPointer<TranslationUnit> unit(parseStatement("QFileInfo fileInfo(foo);"));
AST *ast = unit->ast();
QVERIFY(ast != 0);
DeclarationStatementAST *stmt = ast->asDeclarationStatement();
QVERIFY(stmt != 0);
QVERIFY(stmt->declaration != 0);
SimpleDeclarationAST *simple_decl = stmt->declaration->asSimpleDeclaration();
QVERIFY(simple_decl != 0);
QVERIFY(simple_decl->decl_specifier_list != 0);
QVERIFY(simple_decl->decl_specifier_list->next == 0);
QVERIFY(simple_decl->declarator_list != 0);
QVERIFY(simple_decl->declarator_list->next == 0);
QCOMPARE(simple_decl->semicolon_token, 6U);
NamedTypeSpecifierAST *named_ty = simple_decl->decl_specifier_list->value->asNamedTypeSpecifier();
QVERIFY(named_ty != 0);
QVERIFY(named_ty->name != 0);
SimpleNameAST *simple_named_ty = named_ty->name->asSimpleName();
QVERIFY(simple_named_ty != 0);
QCOMPARE(simple_named_ty->identifier_token, 1U);
DeclaratorAST *declarator = simple_decl->declarator_list->value;
QVERIFY(declarator != 0);
QVERIFY(declarator->core_declarator != 0);
QVERIFY(declarator->postfix_declarator_list != 0);
QVERIFY(declarator->postfix_declarator_list->next == 0);
QVERIFY(declarator->initializer == 0);
DeclaratorIdAST *decl_id = declarator->core_declarator->asDeclaratorId();
QVERIFY(decl_id != 0);
QVERIFY(decl_id->name != 0);
QVERIFY(decl_id->name->asSimpleName() != 0);
QCOMPARE(decl_id->name->asSimpleName()->identifier_token, 2U);
FunctionDeclaratorAST *fun_declarator = declarator->postfix_declarator_list->value->asFunctionDeclarator();
QVERIFY(fun_declarator != 0);
QCOMPARE(fun_declarator->lparen_token, 3U);
QVERIFY(fun_declarator->parameters != 0);
QCOMPARE(fun_declarator->rparen_token, 5U);
// check the formal arguments
ParameterDeclarationClauseAST *param_clause = fun_declarator->parameters;
QVERIFY(param_clause->parameter_declaration_list != 0);
QVERIFY(param_clause->parameter_declaration_list->next == 0);
QCOMPARE(param_clause->dot_dot_dot_token, 0U);
// check the parameter
DeclarationListAST *declarations = param_clause->parameter_declaration_list;
QVERIFY(declarations);
QVERIFY(declarations->value);
QVERIFY(! declarations->next);
ParameterDeclarationAST *param = declarations->value->asParameterDeclaration();
QVERIFY(param);
QVERIFY(param->type_specifier_list != 0);
QVERIFY(param->type_specifier_list->next == 0);
QVERIFY(param->type_specifier_list->value->asNamedTypeSpecifier() != 0);
QVERIFY(param->type_specifier_list->value->asNamedTypeSpecifier()->name != 0);
QVERIFY(param->type_specifier_list->value->asNamedTypeSpecifier()->name->asSimpleName() != 0);
QCOMPARE(param->type_specifier_list->value->asNamedTypeSpecifier()->name->asSimpleName()->identifier_token, 4U);
}
void tst_AST::objc_simple_class()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"@interface Zoo {} +(id)alloc;-(id)init;@end\n"
"@implementation Zoo\n"
"+(id)alloc{}\n"
"-(id)init{}\n"
"@end\n"
));
AST *ast = unit->ast();
QVERIFY(ast);
}
void tst_AST::objc_attributes_followed_by_at_keyword()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"__attribute__((deprecated)) @interface foo <bar>\n"
"{\n"
" int a, b;\n"
"}\n"
"+ (id) init;\n"
"- (id) init:(int)a foo:(int)b, c;\n"
"@end\n"
));
AST *ast = unit->ast();
}
void tst_AST::objc_protocol_forward_declaration_1()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n@protocol foo;"));
AST *ast = unit->ast();
}
void tst_AST::objc_protocol_definition_1()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n@protocol foo <ciao, bar> @end"));
AST *ast = unit->ast();
}
void tst_AST::normal_array_access()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"int f() {\n"
" int a[10];\n"
" int b = 1;\n"
" return a[b];\n"
"}"
));
AST *ast = unit->ast();
QVERIFY(ast);
FunctionDefinitionAST *func = ast->asFunctionDefinition();
QVERIFY(func);
StatementListAST *bodyStatements = func->function_body->asCompoundStatement()->statement_list;
QVERIFY(bodyStatements);
QVERIFY(bodyStatements->next);
QVERIFY(bodyStatements->next->next);
QVERIFY(bodyStatements->next->next->value);
ExpressionAST *expr = bodyStatements->next->next->value->asReturnStatement()->expression;
QVERIFY(expr);
PostfixExpressionAST *postfixExpr = expr->asPostfixExpression();
QVERIFY(postfixExpr);
{
ExpressionAST *lhs = postfixExpr->base_expression;
QVERIFY(lhs);
SimpleNameAST *a = lhs->asSimpleName();
QVERIFY(a);
QCOMPARE(QLatin1String(unit->identifier(a->identifier_token)->chars()), QLatin1String("a"));
}
{
QVERIFY(postfixExpr->postfix_expression_list && !postfixExpr->postfix_expression_list->next);
ArrayAccessAST *rhs = postfixExpr->postfix_expression_list->value->asArrayAccess();
QVERIFY(rhs && rhs->expression);
SimpleNameAST *b = rhs->expression->asSimpleName();
QVERIFY(b);
QCOMPARE(QLatin1String(unit->identifier(b->identifier_token)->chars()), QLatin1String("b"));
}
}
void tst_AST::array_access_with_nested_expression()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"int f() {\n"
" int a[15];\n"
" int b = 1;\n"
" return (a)[b];\n"
"}"
));
AST *ast = unit->ast();
QVERIFY(ast);
FunctionDefinitionAST *func = ast->asFunctionDefinition();
QVERIFY(func);
StatementListAST *bodyStatements = func->function_body->asCompoundStatement()->statement_list;
QVERIFY(bodyStatements && bodyStatements->next && bodyStatements->next->next && bodyStatements->next->next->value);
ExpressionAST *expr = bodyStatements->next->next->value->asReturnStatement()->expression;
QVERIFY(expr);
CastExpressionAST *castExpr = expr->asCastExpression();
QVERIFY(!castExpr);
PostfixExpressionAST *postfixExpr = expr->asPostfixExpression();
QVERIFY(postfixExpr);
{
ExpressionAST *lhs = postfixExpr->base_expression;
QVERIFY(lhs);
NestedExpressionAST *nested_a = lhs->asNestedExpression();
QVERIFY(nested_a && nested_a->expression);
SimpleNameAST *a = nested_a->expression->asSimpleName();
QVERIFY(a);
QCOMPARE(QLatin1String(unit->identifier(a->identifier_token)->chars()), QLatin1String("a"));
}
{
QVERIFY(postfixExpr->postfix_expression_list && !postfixExpr->postfix_expression_list->next);
ArrayAccessAST *rhs = postfixExpr->postfix_expression_list->value->asArrayAccess();
QVERIFY(rhs && rhs->expression);
SimpleNameAST *b = rhs->expression->asSimpleName();
QVERIFY(b);
QCOMPARE(QLatin1String(unit->identifier(b->identifier_token)->chars()), QLatin1String("b"));
}
}
void tst_AST::objc_msg_send_expression()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"int f() {\n"
" NSObject *obj = [[[NSObject alloc] init] autorelease];\n"
" return [obj description];\n"
"}"
));
AST *ast = unit->ast();
QVERIFY(ast);
FunctionDefinitionAST *func = ast->asFunctionDefinition();
QVERIFY(func);
StatementListAST *bodyStatements = func->function_body->asCompoundStatement()->statement_list;
QVERIFY(bodyStatements && bodyStatements->next && !bodyStatements->next->next && bodyStatements->next->value);
{// check the NSObject declaration
DeclarationStatementAST *firstStatement = bodyStatements->value->asDeclarationStatement();
QVERIFY(firstStatement);
DeclarationAST *objDecl = firstStatement->declaration;
QVERIFY(objDecl);
SimpleDeclarationAST *simpleDecl = objDecl->asSimpleDeclaration();
QVERIFY(simpleDecl);
{// check the type (NSObject)
QVERIFY(simpleDecl->decl_specifier_list && !simpleDecl->decl_specifier_list->next);
NamedTypeSpecifierAST *namedType = simpleDecl->decl_specifier_list->value->asNamedTypeSpecifier();
QVERIFY(namedType && namedType->name);
SimpleNameAST *typeName = namedType->name->asSimpleName();
QVERIFY(typeName);
QCOMPARE(QLatin1String(unit->identifier(typeName->identifier_token)->chars()), QLatin1String("NSObject"));
}
{// check the assignment
QVERIFY(simpleDecl->declarator_list && !simpleDecl->declarator_list->next);
DeclaratorAST *declarator = simpleDecl->declarator_list->value;
QVERIFY(declarator);
QVERIFY(!declarator->attribute_list);
QVERIFY(declarator->ptr_operator_list && !declarator->ptr_operator_list->next
&& declarator->ptr_operator_list->value->asPointer()
&& ! declarator->ptr_operator_list->value->asPointer()->cv_qualifier_list);
QVERIFY(declarator->core_declarator && declarator->core_declarator->asDeclaratorId());
NameAST *objNameId = declarator->core_declarator->asDeclaratorId()->name;
QVERIFY(objNameId && objNameId->asSimpleName());
QCOMPARE(QLatin1String(unit->identifier(objNameId->asSimpleName()->identifier_token)->chars()), QLatin1String("obj"));
QVERIFY(!declarator->postfix_declarator_list);
QVERIFY(!declarator->post_attribute_list);
ExpressionAST *initializer = declarator->initializer;
QVERIFY(initializer);
ObjCMessageExpressionAST *expr1 = initializer->asObjCMessageExpression();
QVERIFY(expr1 && expr1->receiver_expression && expr1->selector && !expr1->argument_list);
ObjCMessageExpressionAST *expr2 = expr1->receiver_expression->asObjCMessageExpression();
QVERIFY(expr2 && expr2->receiver_expression && expr2->selector && !expr2->argument_list);
ObjCMessageExpressionAST *expr3 = expr2->receiver_expression->asObjCMessageExpression();
QVERIFY(expr3 && expr3->receiver_expression && expr3->selector && !expr3->argument_list);
}
}
{// check the return statement
ExpressionAST *expr = bodyStatements->next->value->asReturnStatement()->expression;
QVERIFY(expr);
ObjCMessageExpressionAST *msgExpr = expr->asObjCMessageExpression();
QVERIFY(msgExpr);
QVERIFY(msgExpr->receiver_expression);
SimpleNameAST *receiver = msgExpr->receiver_expression->asSimpleName();
QVERIFY(receiver);
QCOMPARE(QLatin1String(unit->identifier(receiver->identifier_token)->chars()), QLatin1String("obj"));
QVERIFY(msgExpr->argument_list == 0);
QVERIFY(msgExpr->selector);
ObjCSelectorWithoutArgumentsAST *sel = msgExpr->selector->asObjCSelectorWithoutArguments();
QVERIFY(sel);
QCOMPARE(QLatin1String(unit->identifier(sel->name_token)->chars()), QLatin1String("description"));
}
}
void tst_AST::objc_msg_send_expression_without_selector()
{
// This test is to verify that no ObjCMessageExpressionAST element is created as the expression for the return statement.
QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
"int f() {\n"
" NSObject *obj = [[[NSObject alloc] init] autorelease];\n"
" return [obj];\n"
"}",
true));
AST *ast = unit->ast();
QVERIFY(ast);
FunctionDefinitionAST *func = ast->asFunctionDefinition();
QVERIFY(func);
StatementListAST *bodyStatements = func->function_body->asCompoundStatement()->statement_list;
QVERIFY(bodyStatements && bodyStatements->next);
QVERIFY(bodyStatements->next->value);
QVERIFY(bodyStatements->next->value->asReturnStatement());
QVERIFY(!bodyStatements->next->value->asReturnStatement()->expression);
}
QTEST_APPLESS_MAIN(tst_AST)
#include "tst_ast.moc"