split ObjC and C++ Statements out into their own headers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70105 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 266 insertions, 0 deletions

diff --git a/include/clang/AST/StmtObjC.h b/include/clang/AST/StmtObjC.h
new file mode 100644
index 0000000000..b9ac8fd045
--- /dev/null
+++ b/include/clang/AST/StmtObjC.h
@@ -0,0 +1,266 @@
+//===--- StmtObjC.h - Classes for representing ObjC statements --*- 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 the Objective-C statement AST node classes.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_STMTOBJC_H
+#define LLVM_CLANG_AST_STMTOBJC_H
+
+#include "clang/AST/Stmt.h"
+
+namespace clang {
+
+/// ObjCForCollectionStmt - This represents Objective-c's collection statement;
+/// represented as 'for (element 'in' collection-expression)' stmt.
+///
+class ObjCForCollectionStmt : public Stmt {
+  enum { ELEM, COLLECTION, BODY, END_EXPR };
+  Stmt* SubExprs[END_EXPR]; // SubExprs[ELEM] is an expression or declstmt.
+  SourceLocation ForLoc;
+  SourceLocation RParenLoc;
+public:
+  ObjCForCollectionStmt(Stmt *Elem, Expr *Collect, Stmt *Body, 
+                        SourceLocation FCL, SourceLocation RPL);
+  
+  Stmt *getElement() { return SubExprs[ELEM]; }
+  Expr *getCollection() { 
+    return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 
+  }
+  Stmt *getBody() { return SubExprs[BODY]; }
+  
+  const Stmt *getElement() const { return SubExprs[ELEM]; }
+  const Expr *getCollection() const { 
+    return reinterpret_cast<Expr*>(SubExprs[COLLECTION]);
+  }
+  const Stmt *getBody() const { return SubExprs[BODY]; }
+  
+  SourceLocation getRParenLoc() const { return RParenLoc; }
+  
+  virtual SourceRange getSourceRange() const { 
+    return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 
+  }
+  static bool classof(const Stmt *T) { 
+    return T->getStmtClass() == ObjCForCollectionStmtClass; 
+  }
+  static bool classof(const ObjCForCollectionStmt *) { return true; }
+  
+  // Iterators
+  virtual child_iterator child_begin();
+  virtual child_iterator child_end();
+};  
+  
+/// ObjCAtCatchStmt - This represents objective-c's @catch statement.
+class ObjCAtCatchStmt : public Stmt {
+private:
+  enum { BODY, NEXT_CATCH, END_EXPR };
+  ParmVarDecl *ExceptionDecl;
+  Stmt *SubExprs[END_EXPR];
+  SourceLocation AtCatchLoc, RParenLoc;
+
+  // Used by deserialization.
+  ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc)
+  : Stmt(ObjCAtCatchStmtClass), AtCatchLoc(atCatchLoc), RParenLoc(rparenloc) {}
+
+public:
+  ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc,
+                  ParmVarDecl *catchVarDecl, 
+                  Stmt *atCatchStmt, Stmt *atCatchList);
+  
+  const Stmt *getCatchBody() const { return SubExprs[BODY]; }
+  Stmt *getCatchBody() { return SubExprs[BODY]; }
+
+  const ObjCAtCatchStmt *getNextCatchStmt() const {
+    return static_cast<const ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]);
+  }
+  ObjCAtCatchStmt *getNextCatchStmt() { 
+    return static_cast<ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]);
+  }
+
+  const ParmVarDecl *getCatchParamDecl() const { 
+    return ExceptionDecl; 
+  }
+  ParmVarDecl *getCatchParamDecl() { 
+    return ExceptionDecl; 
+  }
+  
+  SourceLocation getAtCatchLoc() const { return AtCatchLoc; }
+  SourceLocation getRParenLoc() const { return RParenLoc; }
+  
+  virtual SourceRange getSourceRange() const { 
+    return SourceRange(AtCatchLoc, SubExprs[BODY]->getLocEnd()); 
+  }
+
+  bool hasEllipsis() const { return getCatchParamDecl() == 0; }
+  
+  static bool classof(const Stmt *T) {
+    return T->getStmtClass() == ObjCAtCatchStmtClass;
+  }
+  static bool classof(const ObjCAtCatchStmt *) { return true; }
+  
+  virtual child_iterator child_begin();
+  virtual child_iterator child_end();
+};
+  
+/// ObjCAtFinallyStmt - This represent objective-c's @finally Statement 
+class ObjCAtFinallyStmt : public Stmt {
+  Stmt *AtFinallyStmt;
+  SourceLocation AtFinallyLoc;    
+public:
+  ObjCAtFinallyStmt(SourceLocation atFinallyLoc, Stmt *atFinallyStmt)
+  : Stmt(ObjCAtFinallyStmtClass), 
+    AtFinallyStmt(atFinallyStmt), AtFinallyLoc(atFinallyLoc) {}
+  
+  const Stmt *getFinallyBody() const { return AtFinallyStmt; }
+  Stmt *getFinallyBody() { return AtFinallyStmt; }
+
+  virtual SourceRange getSourceRange() const { 
+    return SourceRange(AtFinallyLoc, AtFinallyStmt->getLocEnd()); 
+  }
+  
+  SourceLocation getAtFinallyLoc() const { return AtFinallyLoc; }
+  
+  static bool classof(const Stmt *T) {
+    return T->getStmtClass() == ObjCAtFinallyStmtClass;
+  }
+  static bool classof(const ObjCAtFinallyStmt *) { return true; }
+  
+  virtual child_iterator child_begin();
+  virtual child_iterator child_end();
+};
+  
+/// ObjCAtTryStmt - This represent objective-c's over-all 
+/// @try ... @catch ... @finally statement.
+class ObjCAtTryStmt : public Stmt {
+private:
+  enum { TRY, CATCH, FINALLY, END_EXPR };
+  Stmt* SubStmts[END_EXPR]; 
+  
+  SourceLocation AtTryLoc;      
+public:
+  ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt, 
+                Stmt *atCatchStmt, 
+                Stmt *atFinallyStmt)
+  : Stmt(ObjCAtTryStmtClass) {
+      SubStmts[TRY] = atTryStmt;
+      SubStmts[CATCH] = atCatchStmt;
+      SubStmts[FINALLY] = atFinallyStmt;
+      AtTryLoc = atTryLoc;
+    }
+    
+  SourceLocation getAtTryLoc() const { return AtTryLoc; }
+  const Stmt *getTryBody() const { return SubStmts[TRY]; }
+  Stmt *getTryBody() { return SubStmts[TRY]; }
+  const ObjCAtCatchStmt *getCatchStmts() const { 
+    return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 
+  }
+  ObjCAtCatchStmt *getCatchStmts() { 
+    return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 
+  }
+  const ObjCAtFinallyStmt *getFinallyStmt() const { 
+    return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 
+  }
+  ObjCAtFinallyStmt *getFinallyStmt() { 
+    return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 
+  }
+  virtual SourceRange getSourceRange() const { 
+    return SourceRange(AtTryLoc, SubStmts[TRY]->getLocEnd()); 
+  }
+    
+  static bool classof(const Stmt *T) {
+    return T->getStmtClass() == ObjCAtTryStmtClass;
+  }
+  static bool classof(const ObjCAtTryStmt *) { return true; }
+    
+  virtual child_iterator child_begin();
+  virtual child_iterator child_end();
+};
+
+/// ObjCAtSynchronizedStmt - This is for objective-c's @synchronized statement.
+/// Example: @synchronized (sem) {
+///             do-something;
+///          }
+///
+class ObjCAtSynchronizedStmt : public Stmt {
+private:
+  enum { SYNC_EXPR, SYNC_BODY, END_EXPR };
+  Stmt* SubStmts[END_EXPR];
+  SourceLocation AtSynchronizedLoc;
+  
+public:
+  ObjCAtSynchronizedStmt(SourceLocation atSynchronizedLoc, Stmt *synchExpr,
+                         Stmt *synchBody)
+  : Stmt(ObjCAtSynchronizedStmtClass) {
+    SubStmts[SYNC_EXPR] = synchExpr;
+    SubStmts[SYNC_BODY] = synchBody;
+    AtSynchronizedLoc = atSynchronizedLoc;
+  }
+  
+  SourceLocation getAtSynchronizedLoc() const { return AtSynchronizedLoc; }
+  
+  const CompoundStmt *getSynchBody() const {
+    return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]);
+  }
+  CompoundStmt *getSynchBody() { 
+    return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 
+  }
+  
+  const Expr *getSynchExpr() const { 
+    return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 
+  }
+  Expr *getSynchExpr() { 
+    return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 
+  }
+  
+  virtual SourceRange getSourceRange() const { 
+    return SourceRange(AtSynchronizedLoc, getSynchBody()->getLocEnd()); 
+  }
+  
+  static bool classof(const Stmt *T) {
+    return T->getStmtClass() == ObjCAtSynchronizedStmtClass;
+  }
+  static bool classof(const ObjCAtSynchronizedStmt *) { return true; }
+  
+  virtual child_iterator child_begin();
+  virtual child_iterator child_end();
+};
+  
+/// ObjCAtThrowStmt - This represents objective-c's @throw statement.
+class ObjCAtThrowStmt : public Stmt {
+  Stmt *Throw;
+  SourceLocation AtThrowLoc;
+public:
+  ObjCAtThrowStmt(SourceLocation atThrowLoc, Stmt *throwExpr)
+  : Stmt(ObjCAtThrowStmtClass), Throw(throwExpr) {
+    AtThrowLoc = atThrowLoc;
+  }
+  
+  const Expr *getThrowExpr() const { return reinterpret_cast<Expr*>(Throw); }
+  Expr *getThrowExpr() { return reinterpret_cast<Expr*>(Throw); }
+  
+  virtual SourceRange getSourceRange() const {
+    if (Throw)
+      return SourceRange(AtThrowLoc, Throw->getLocEnd()); 
+    else 
+      return SourceRange(AtThrowLoc);
+  }
+  
+  static bool classof(const Stmt *T) {
+    return T->getStmtClass() == ObjCAtThrowStmtClass;
+  }
+  static bool classof(const ObjCAtThrowStmt *) { return true; }
+  
+  virtual child_iterator child_begin();
+  virtual child_iterator child_end();
+};
+
+}  // end namespace clang
+
+#endif