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Fixed an error: A function wasn't converted to a void pointer automatically by

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the compiler.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4741 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2010-07-10 20:48:05 +00:00
parent abbfaef2aa
commit a89231ece7
1 changed files with 6 additions and 11 deletions
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17
src/cc65/typeconv.c
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@ -186,6 +186,11 @@ void TypeConversion (ExprDesc* Expr, Type* NewType)
Error ("Illegal type");
}
/* If Expr is a function, convert it to pointer to function */
if (IsTypeFunc(Expr->Type)) {
Expr->Type = PointerTo (Expr->Type);
}
/* If both types are equal, no conversion is needed */
if (TypeCmp (Expr->Type, NewType) >= TC_EQUAL) {
/* We're already done */
@ -229,7 +234,7 @@ void TypeConversion (ExprDesc* Expr, Type* NewType)
*/
if (!IsTypeVoid (Indirect (NewType)) && !IsTypeVoid (Indirect (Expr->Type))) {
/* Compare the types */
switch (TypeCmp (NewType, Expr->Type)) {
switch (TypeCmp (NewType, Expr->Type)) {
case TC_INCOMPATIBLE:
Error ("Incompatible pointer types");
@ -250,16 +255,6 @@ void TypeConversion (ExprDesc* Expr, Type* NewType)
if (!ED_IsConstAbsInt (Expr) || Expr->IVal != 0) {
Warning ("Converting integer to pointer without a cast");
}
} else if (IsTypeFuncPtr (NewType) && IsTypeFunc(Expr->Type)) {
/* Function -> Function pointer. First convert rhs to pointer */
Expr->Type = PointerTo (Expr->Type);
/* Assignment of function to function pointer is allowed, provided
* that both functions have the same parameter list.
*/
if (TypeCmp (NewType, Expr->Type) < TC_COMPATIBLE) {
Error ("Incompatible types");
}
} else {
Error ("Incompatible types");
}