Error message for calling a function with a missing 'this' arg.

This commit is contained in:
Christian Kamm 2008-07-29 10:29:52 +02:00
parent d9f85de2a1
commit 3db56c7a17
4 changed files with 37 additions and 28 deletions

View file

@ -798,7 +798,7 @@ DValue* DtoNewClass(TypeClass* tc, NewExp* newexp)
{ {
DtoForceDeclareDsymbol(newexp->allocator); DtoForceDeclareDsymbol(newexp->allocator);
DFuncValue dfn(newexp->allocator, newexp->allocator->ir.irFunc->func); DFuncValue dfn(newexp->allocator, newexp->allocator->ir.irFunc->func);
DValue* res = DtoCallFunction(NULL, &dfn, newexp->newargs); DValue* res = DtoCallFunction(newexp->loc, NULL, &dfn, newexp->newargs);
mem = DtoBitCast(res->getRVal(), DtoType(tc), ".newclass_custom"); mem = DtoBitCast(res->getRVal(), DtoType(tc), ".newclass_custom");
} }
// default allocator // default allocator
@ -852,7 +852,7 @@ DValue* DtoNewClass(TypeClass* tc, NewExp* newexp)
assert(newexp->arguments != NULL); assert(newexp->arguments != NULL);
DtoForceDeclareDsymbol(newexp->member); DtoForceDeclareDsymbol(newexp->member);
DFuncValue dfn(newexp->member, newexp->member->ir.irFunc->func, mem); DFuncValue dfn(newexp->member, newexp->member->ir.irFunc->func, mem);
return DtoCallFunction(tc, &dfn, newexp->arguments); return DtoCallFunction(newexp->loc, tc, &dfn, newexp->arguments);
} }
// return default constructed class // return default constructed class

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@ -118,6 +118,6 @@ const LLFunctionType* DtoExtractFunctionType(const LLType* type);
void DtoBuildDVarArgList(std::vector<LLValue*>& args, llvm::PAListPtr& palist, TypeFunction* tf, Expressions* arguments, size_t argidx); void DtoBuildDVarArgList(std::vector<LLValue*>& args, llvm::PAListPtr& palist, TypeFunction* tf, Expressions* arguments, size_t argidx);
/// ///
DValue* DtoCallFunction(Type* resulttype, DValue* fnval, Expressions* arguments); DValue* DtoCallFunction(Loc& loc, Type* resulttype, DValue* fnval, Expressions* arguments);
#endif #endif

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@ -180,7 +180,7 @@ void DtoBuildDVarArgList(std::vector<LLValue*>& args, llvm::PAListPtr& palist, T
} }
DValue* DtoCallFunction(Type* resulttype, DValue* fnval, Expressions* arguments) DValue* DtoCallFunction(Loc& loc, Type* resulttype, DValue* fnval, Expressions* arguments)
{ {
// the callee D type // the callee D type
Type* calleeType = fnval->getType(); Type* calleeType = fnval->getType();
@ -224,14 +224,17 @@ DValue* DtoCallFunction(Type* resulttype, DValue* fnval, Expressions* arguments)
args.push_back(retvar); args.push_back(retvar);
} }
// then comes the 'this' argument // then comes a context argument...
if(usesthis || delegatecall || nestedcall)
{
// ... which can be a 'this' argument
if (dfnval && dfnval->vthis) if (dfnval && dfnval->vthis)
{ {
LLValue* thisarg = DtoBitCast(dfnval->vthis, argiter->get()); LLValue* thisarg = DtoBitCast(dfnval->vthis, argiter->get());
++argiter; ++argiter;
args.push_back(thisarg); args.push_back(thisarg);
} }
// or a delegate context arg // ... or a delegate context arg
else if (delegatecall) else if (delegatecall)
{ {
LLValue* ctxarg = DtoLoad(DtoGEPi(fnval->getRVal(), 0,0)); LLValue* ctxarg = DtoLoad(DtoGEPi(fnval->getRVal(), 0,0));
@ -239,7 +242,7 @@ DValue* DtoCallFunction(Type* resulttype, DValue* fnval, Expressions* arguments)
++argiter; ++argiter;
args.push_back(ctxarg); args.push_back(ctxarg);
} }
// or a nested function context arg // ... or a nested function context arg
else if (nestedcall) else if (nestedcall)
{ {
LLValue* contextptr = DtoNestedContext(dfnval->func->toParent2()->isFuncDeclaration()); LLValue* contextptr = DtoNestedContext(dfnval->func->toParent2()->isFuncDeclaration());
@ -250,6 +253,12 @@ DValue* DtoCallFunction(Type* resulttype, DValue* fnval, Expressions* arguments)
++argiter; ++argiter;
args.push_back(contextptr); args.push_back(contextptr);
} }
else
{
error(loc, "Context argument required but none given");
fatal();
}
}
// handle the rest of the arguments based on param passing style // handle the rest of the arguments based on param passing style
llvm::PAListPtr palist; llvm::PAListPtr palist;

View file

@ -886,7 +886,7 @@ DValue* CallExp::toElem(IRState* p)
} }
} }
return DtoCallFunction(type, fnval, arguments); return DtoCallFunction(loc, type, fnval, arguments);
} }
////////////////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////////////////