forked from OSchip/llvm-project
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
//===- CoroutineStmtBuilder.h - Implicit coroutine stmt builder -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines CoroutineStmtBuilder, a class for building the implicit
|
|
// statements required for building a coroutine body.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CLANG_LIB_SEMA_COROUTINESTMTBUILDER_H
|
|
#define LLVM_CLANG_LIB_SEMA_COROUTINESTMTBUILDER_H
|
|
|
|
#include "clang/AST/Decl.h"
|
|
#include "clang/AST/ExprCXX.h"
|
|
#include "clang/AST/StmtCXX.h"
|
|
#include "clang/Lex/Preprocessor.h"
|
|
#include "clang/Sema/SemaInternal.h"
|
|
|
|
namespace clang {
|
|
|
|
class CoroutineStmtBuilder : public CoroutineBodyStmt::CtorArgs {
|
|
Sema &S;
|
|
FunctionDecl &FD;
|
|
sema::FunctionScopeInfo &Fn;
|
|
bool IsValid = true;
|
|
SourceLocation Loc;
|
|
SmallVector<Stmt *, 4> ParamMovesVector;
|
|
const bool IsPromiseDependentType;
|
|
CXXRecordDecl *PromiseRecordDecl = nullptr;
|
|
|
|
public:
|
|
/// \brief Construct a CoroutineStmtBuilder and initialize the promise
|
|
/// statement and initial/final suspends from the FunctionScopeInfo.
|
|
CoroutineStmtBuilder(Sema &S, FunctionDecl &FD, sema::FunctionScopeInfo &Fn,
|
|
Stmt *Body);
|
|
|
|
/// \brief Build the coroutine body statements, including the
|
|
/// "promise dependent" statements when the promise type is not dependent.
|
|
bool buildStatements();
|
|
|
|
/// \brief Build the coroutine body statements that require a non-dependent
|
|
/// promise type in order to construct.
|
|
///
|
|
/// For example different new/delete overloads are selected depending on
|
|
/// if the promise type provides `unhandled_exception()`, and therefore they
|
|
/// cannot be built until the promise type is complete so that we can perform
|
|
/// name lookup.
|
|
bool buildDependentStatements();
|
|
|
|
bool isInvalid() const { return !this->IsValid; }
|
|
|
|
private:
|
|
bool makePromiseStmt();
|
|
bool makeInitialAndFinalSuspend();
|
|
bool makeNewAndDeleteExpr();
|
|
bool makeOnFallthrough();
|
|
bool makeOnException();
|
|
bool makeReturnObject();
|
|
bool makeGroDeclAndReturnStmt();
|
|
bool makeReturnOnAllocFailure();
|
|
};
|
|
|
|
} // end namespace clang
|
|
|
|
#endif // LLVM_CLANG_LIB_SEMA_COROUTINESTMTBUILDER_H
|