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Finish up variadic methods/messages. 

llvm-svn: 44172
This commit is contained in:
Steve Naroff 2007-11-15 13:05:42 +00:00
parent d8ea1ac576
commit e3ffc2f4a9
6 changed files with 45 additions and 34 deletions
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20
clang/AST/Expr.cpp
View File

@ -898,14 +898,14 @@ unsigned OCUVectorElementExpr::getEncodedElementAccess() const {
ObjCMessageExpr::ObjCMessageExpr(Expr *receiver, Selector selInfo,
QualType retType, ObjcMethodDecl *mproto,
SourceLocation LBrac, SourceLocation RBrac,
Expr **ArgExprs)
Expr **ArgExprs, unsigned nargs)
: Expr(ObjCMessageExprClass, retType), SelName(selInfo),
MethodProto(mproto), ClassName(0) {
unsigned numArgs = selInfo.getNumArgs();
SubExprs = new Expr*[numArgs+1];
NumArgs = nargs;
SubExprs = new Expr*[NumArgs+1];
SubExprs[RECEIVER] = receiver;
if (numArgs) {
for (unsigned i = 0; i != numArgs; ++i)
if (NumArgs) {
for (unsigned i = 0; i != NumArgs; ++i)
SubExprs[i+ARGS_START] = static_cast<Expr *>(ArgExprs[i]);
}
LBracloc = LBrac;
@ -917,14 +917,14 @@ ObjCMessageExpr::ObjCMessageExpr(Expr *receiver, Selector selInfo,
ObjCMessageExpr::ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo,
QualType retType, ObjcMethodDecl *mproto,
SourceLocation LBrac, SourceLocation RBrac,
Expr **ArgExprs)
Expr **ArgExprs, unsigned nargs)
: Expr(ObjCMessageExprClass, retType), SelName(selInfo),
MethodProto(mproto), ClassName(clsName) {
unsigned numArgs = selInfo.getNumArgs();
SubExprs = new Expr*[numArgs+1];
NumArgs = nargs;
SubExprs = new Expr*[NumArgs+1];
SubExprs[RECEIVER] = 0;
if (numArgs) {
for (unsigned i = 0; i != numArgs; ++i)
if (NumArgs) {
for (unsigned i = 0; i != NumArgs; ++i)
SubExprs[i+ARGS_START] = static_cast<Expr *>(ArgExprs[i]);
}
LBracloc = LBrac;

16
clang/Parse/ParseObjc.cpp
View File

@ -1291,9 +1291,15 @@ Parser::ExprResult Parser::ParseObjCMessageExpression() {
}
// Parse the, optional, argument list, comma separated.
while (Tok.is(tok::comma)) {
ConsumeToken();
/// Parse the expression after ','
ParseAssignmentExpression();
ConsumeToken(); // Eat the ','.
/// Parse the expression after ','
ExprResult Res = ParseAssignmentExpression();
if (Res.isInvalid) {
SkipUntil(tok::identifier);
return Res;
}
// We have a valid expression.
KeyExprs.push_back(Res.Val);
}
} else if (!selIdent) {
Diag(Tok, diag::err_expected_ident); // missing selector name.
@ -1317,9 +1323,9 @@ Parser::ExprResult Parser::ParseObjCMessageExpression() {
if (ReceiverName)
return Actions.ActOnClassMessage(CurScope,
ReceiverName, Sel, LBracloc, RBracloc,
&KeyExprs[0]);
&KeyExprs[0], KeyExprs.size());
return Actions.ActOnInstanceMessage(ReceiverExpr, Sel, LBracloc, RBracloc,
&KeyExprs[0]);
&KeyExprs[0], KeyExprs.size());
}
Parser::ExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) {

10
clang/Sema/Sema.h
View File

@ -565,18 +565,20 @@ public:
// ActOnClassMessage - used for both unary and keyword messages.
// ArgExprs is optional - if it is present, the number of expressions
// is obtained from Sel.getNumArgs().
// is obtained from NumArgs.
virtual ExprResult ActOnClassMessage(
Scope *S,
IdentifierInfo *receivingClassName, Selector Sel,
SourceLocation lbrac, SourceLocation rbrac, ExprTy **ArgExprs);
SourceLocation lbrac, SourceLocation rbrac,
ExprTy **ArgExprs, unsigned NumArgs);
// ActOnInstanceMessage - used for both unary and keyword messages.
// ArgExprs is optional - if it is present, the number of expressions
// is obtained from Sel.getNumArgs().
// is obtained from NumArgs.
virtual ExprResult ActOnInstanceMessage(
ExprTy *receiver, Selector Sel,
SourceLocation lbrac, SourceLocation rbrac, ExprTy **ArgExprs);
SourceLocation lbrac, SourceLocation rbrac,
ExprTy **ArgExprs, unsigned NumArgs);
private:
// UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts
// functions and arrays to their respective pointers (C99 6.3.2.1).

10
clang/Sema/SemaExpr.cpp
View File

@ -2124,7 +2124,7 @@ bool Sema::CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs,
Sema::ExprResult Sema::ActOnClassMessage(
Scope *S,
IdentifierInfo *receiverName, Selector Sel,
SourceLocation lbrac, SourceLocation rbrac, ExprTy **Args)
SourceLocation lbrac, SourceLocation rbrac, ExprTy **Args, unsigned NumArgs)
{
assert(receiverName && "missing receiver class name");
@ -2142,7 +2142,7 @@ Sema::ExprResult Sema::ActOnClassMessage(
SourceLocation(), ReceiverExpr.Val);
return ActOnInstanceMessage(ReceiverExpr.Val, Sel, lbrac, rbrac,
Args);
Args, NumArgs);
}
// class method
if (ClassDecl)
@ -2168,7 +2168,7 @@ Sema::ExprResult Sema::ActOnClassMessage(
}
}
return new ObjCMessageExpr(receiverName, Sel, returnType, Method,
lbrac, rbrac, ArgExprs);
lbrac, rbrac, ArgExprs, NumArgs);
}
// ActOnInstanceMessage - used for both unary and keyword messages.
@ -2176,7 +2176,7 @@ Sema::ExprResult Sema::ActOnClassMessage(
// is obtained from Sel.getNumArgs().
Sema::ExprResult Sema::ActOnInstanceMessage(
ExprTy *receiver, Selector Sel,
SourceLocation lbrac, SourceLocation rbrac, ExprTy **Args)
SourceLocation lbrac, SourceLocation rbrac, ExprTy **Args, unsigned NumArgs)
{
assert(receiver && "missing receiver expression");
@ -2250,5 +2250,5 @@ Sema::ExprResult Sema::ActOnInstanceMessage(
}
}
return new ObjCMessageExpr(RExpr, Sel, returnType, Method, lbrac, rbrac,
ArgExprs);
ArgExprs, NumArgs);
}

14
clang/include/clang/AST/Expr.h
View File

@ -1292,6 +1292,8 @@ class ObjCMessageExpr : public Expr {
Expr **SubExprs;
unsigned NumArgs;
// A unigue name for this message.
Selector SelName;
@ -1309,12 +1311,12 @@ public:
ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo,
QualType retType, ObjcMethodDecl *methDecl,
SourceLocation LBrac, SourceLocation RBrac,
Expr **ArgExprs);
Expr **ArgExprs, unsigned NumArgs);
// constructor for instance messages.
ObjCMessageExpr(Expr *receiver, Selector selInfo,
QualType retType, ObjcMethodDecl *methDecl,
SourceLocation LBrac, SourceLocation RBrac,
Expr **ArgExprs);
Expr **ArgExprs, unsigned NumArgs);
~ObjCMessageExpr() {
delete [] SubExprs;
}
@ -1332,20 +1334,20 @@ public:
IdentifierInfo *getClassName() { return ClassName; }
/// getNumArgs - Return the number of actual arguments to this call.
unsigned getNumArgs() const { return SelName.getNumArgs(); }
unsigned getNumArgs() const { return NumArgs; }
/// getArg - Return the specified argument.
Expr *getArg(unsigned Arg) {
assert(Arg < SelName.getNumArgs() && "Arg access out of range!");
assert(Arg < NumArgs && "Arg access out of range!");
return SubExprs[Arg+ARGS_START];
}
const Expr *getArg(unsigned Arg) const {
assert(Arg < SelName.getNumArgs() && "Arg access out of range!");
assert(Arg < NumArgs && "Arg access out of range!");
return SubExprs[Arg+ARGS_START];
}
/// setArg - Set the specified argument.
void setArg(unsigned Arg, Expr *ArgExpr) {
assert(Arg < SelName.getNumArgs() && "Arg access out of range!");
assert(Arg < NumArgs && "Arg access out of range!");
SubExprs[Arg+ARGS_START] = ArgExpr;
}
SourceRange getSourceRange() const { return SourceRange(LBracloc, RBracloc); }

9
clang/include/clang/Parse/Action.h
View File

@ -590,22 +590,23 @@ public:
// ActOnClassMessage - used for both unary and keyword messages.
// ArgExprs is optional - if it is present, the number of expressions
// is obtained from Sel.getNumArgs().
// is obtained from NumArgs.
virtual ExprResult ActOnClassMessage(
Scope *S,
IdentifierInfo *receivingClassName,
Selector Sel,
SourceLocation lbrac,
SourceLocation rbrac,
ExprTy **ArgExprs) {
ExprTy **ArgExprs, unsigned NumArgs) {
return 0;
}
// ActOnInstanceMessage - used for both unary and keyword messages.
// ArgExprs is optional - if it is present, the number of expressions
// is obtained from Sel.getNumArgs().
// is obtained from NumArgs.
virtual ExprResult ActOnInstanceMessage(
ExprTy *receiver, Selector Sel,
SourceLocation lbrac, SourceLocation rbrac, ExprTy **ArgExprs) {
SourceLocation lbrac, SourceLocation rbrac,
ExprTy **ArgExprs, unsigned NumArgs) {
return 0;
}
virtual DeclTy *ActOnForwardClassDeclaration(