diff options
author | Christian Kandeler <christian.kandeler@qt.io> | 2023-05-24 15:18:48 +0200 |
---|---|---|
committer | Christian Kandeler <christian.kandeler@qt.io> | 2023-05-25 12:37:26 +0000 |
commit | c8f29b9e0148202ab1959466e14fa23411fd8214 (patch) | |
tree | 427e11e597ac6258af36bc973f5b8d3f504548ae /src/libs/3rdparty/cplusplus | |
parent | 07764bdf1517cce3e484ac4e7371ff2aee060803 (diff) |
CppEditor: Add support for init statements in if conditions
Fixes: QTCREATORBUG-29182
Change-Id: I9b7969da694b368236246123ad0028d8e754e903
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Diffstat (limited to 'src/libs/3rdparty/cplusplus')
-rw-r--r-- | src/libs/3rdparty/cplusplus/AST.h | 2 | ||||
-rw-r--r-- | src/libs/3rdparty/cplusplus/ASTClone.cpp | 4 | ||||
-rw-r--r-- | src/libs/3rdparty/cplusplus/ASTMatcher.cpp | 10 | ||||
-rw-r--r-- | src/libs/3rdparty/cplusplus/ASTVisit.cpp | 2 | ||||
-rw-r--r-- | src/libs/3rdparty/cplusplus/Bind.cpp | 4 | ||||
-rw-r--r-- | src/libs/3rdparty/cplusplus/Parser.cpp | 27 | ||||
-rw-r--r-- | src/libs/3rdparty/cplusplus/Token.h | 1 |
7 files changed, 44 insertions, 6 deletions
diff --git a/src/libs/3rdparty/cplusplus/AST.h b/src/libs/3rdparty/cplusplus/AST.h index 0f40424464..6a5da23306 100644 --- a/src/libs/3rdparty/cplusplus/AST.h +++ b/src/libs/3rdparty/cplusplus/AST.h @@ -1779,6 +1779,8 @@ public: int if_token = 0; int constexpr_token = 0; int lparen_token = 0; + DeclarationAST *initDecl = nullptr; + StatementAST *initStmt = nullptr; ExpressionAST *condition = nullptr; int rparen_token = 0; StatementAST *statement = nullptr; diff --git a/src/libs/3rdparty/cplusplus/ASTClone.cpp b/src/libs/3rdparty/cplusplus/ASTClone.cpp index e494ad71ac..57617bb118 100644 --- a/src/libs/3rdparty/cplusplus/ASTClone.cpp +++ b/src/libs/3rdparty/cplusplus/ASTClone.cpp @@ -785,6 +785,10 @@ IfStatementAST *IfStatementAST::clone(MemoryPool *pool) const ast->if_token = if_token; ast->constexpr_token = constexpr_token; ast->lparen_token = lparen_token; + if (initDecl) + ast->initDecl = initDecl->clone(pool); + if (initStmt) + ast->initStmt = initStmt->clone(pool); if (condition) ast->condition = condition->clone(pool); ast->rparen_token = rparen_token; diff --git a/src/libs/3rdparty/cplusplus/ASTMatcher.cpp b/src/libs/3rdparty/cplusplus/ASTMatcher.cpp index de6f6fc87c..6f12efb8ac 100644 --- a/src/libs/3rdparty/cplusplus/ASTMatcher.cpp +++ b/src/libs/3rdparty/cplusplus/ASTMatcher.cpp @@ -1318,6 +1318,16 @@ bool ASTMatcher::match(IfStatementAST *node, IfStatementAST *pattern) pattern->lparen_token = node->lparen_token; + if (!pattern->initDecl) + pattern->initDecl = node->initDecl; + else if (!AST::match(node->initDecl, pattern->initDecl, this)) + return false; + + if (!pattern->initStmt) + pattern->initStmt = node->initStmt; + else if (!AST::match(node->initStmt, pattern->initStmt, this)) + return false; + if (! pattern->condition) pattern->condition = node->condition; else if (! AST::match(node->condition, pattern->condition, this)) diff --git a/src/libs/3rdparty/cplusplus/ASTVisit.cpp b/src/libs/3rdparty/cplusplus/ASTVisit.cpp index 17941d8122..7e8f75f233 100644 --- a/src/libs/3rdparty/cplusplus/ASTVisit.cpp +++ b/src/libs/3rdparty/cplusplus/ASTVisit.cpp @@ -563,6 +563,8 @@ void ForStatementAST::accept0(ASTVisitor *visitor) void IfStatementAST::accept0(ASTVisitor *visitor) { if (visitor->visit(this)) { + accept(initDecl, visitor); + accept(initStmt, visitor); accept(condition, visitor); accept(statement, visitor); accept(else_statement, visitor); diff --git a/src/libs/3rdparty/cplusplus/Bind.cpp b/src/libs/3rdparty/cplusplus/Bind.cpp index 202c36a51f..e3d38a09a8 100644 --- a/src/libs/3rdparty/cplusplus/Bind.cpp +++ b/src/libs/3rdparty/cplusplus/Bind.cpp @@ -1528,6 +1528,10 @@ bool Bind::visit(IfStatementAST *ast) ast->symbol = block; Scope *previousScope = switchScope(block); + if (ast->initDecl) + this->declaration(ast->initDecl); + else if (ast->initStmt) + this->statement(ast->initStmt); /*ExpressionTy condition =*/ this->expression(ast->condition); this->statement(ast->statement); this->statement(ast->else_statement); diff --git a/src/libs/3rdparty/cplusplus/Parser.cpp b/src/libs/3rdparty/cplusplus/Parser.cpp index f8c737c097..31e290d1ad 100644 --- a/src/libs/3rdparty/cplusplus/Parser.cpp +++ b/src/libs/3rdparty/cplusplus/Parser.cpp @@ -3511,12 +3511,14 @@ bool Parser::parseExpressionStatement(StatementAST *&node) ExpressionAST *expression = nullptr; if (parseExpression(expression)) { - ExpressionStatementAST *ast = new (previousPool) ExpressionStatementAST; - if (expression) - ast->expression = expression->clone(previousPool); - match(T_SEMICOLON, &ast->semicolon_token); - node = ast; - parsed = true; + if (LA() == T_SEMICOLON) { + ExpressionStatementAST *ast = new (previousPool) ExpressionStatementAST; + ast->semicolon_token = consumeToken(); + if (expression) + ast->expression = expression->clone(previousPool); + node = ast; + parsed = true; + } } _inExpressionStatement = wasInExpressionStatement; @@ -4072,6 +4074,19 @@ bool Parser::parseIfStatement(StatementAST *&node) ast->constexpr_token = consumeToken(); } match(T_LPAREN, &ast->lparen_token); + + // C++17: init-statement + if (_languageFeatures.cxx17Enabled) { + const int savedCursor = cursor(); + const bool savedBlockErrors = _translationUnit->blockErrors(true); + if (!parseSimpleDeclaration(ast->initDecl)) { + rewind(savedCursor); + if (!parseExpressionStatement(ast->initStmt)) + rewind(savedCursor); + } + _translationUnit->blockErrors(savedBlockErrors); + } + parseCondition(ast->condition); match(T_RPAREN, &ast->rparen_token); if (! parseStatement(ast->statement)) diff --git a/src/libs/3rdparty/cplusplus/Token.h b/src/libs/3rdparty/cplusplus/Token.h index 204096893a..f853d29c77 100644 --- a/src/libs/3rdparty/cplusplus/Token.h +++ b/src/libs/3rdparty/cplusplus/Token.h @@ -455,6 +455,7 @@ struct LanguageFeatures unsigned int cxxEnabled : 1; unsigned int cxx11Enabled : 1; unsigned int cxx14Enabled : 1; + unsigned int cxx17Enabled : 1; unsigned int cxx20Enabled : 1; unsigned int objCEnabled : 1; unsigned int c99Enabled : 1; |