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Fixed type compare for functions

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git-svn-id: svn://svn.cc65.org/cc65/trunk@791 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2001-07-15 16:41:00 +00:00
parent 8e97e1f4b7
commit 38f076a59e
1 changed files with 33 additions and 1 deletions
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34
src/cc65/typecmp.c
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@ -55,6 +55,38 @@ static void SetResult (typecmp_t* Result, typecmp_t Val)
static int EqualFuncParams (SymTable* Tab1, SymTable* Tab2)
/* Compare two function symbol tables regarding function parameters. Return 1
* if they are equal and 0 otherwise.
*/
{
/* Compare the parameter lists */
SymEntry* Sym1 = Tab1->SymHead;
SymEntry* Sym2 = Tab2->SymHead;
/* Compare the fields */
while (Sym1 && (Sym1->Flags & SC_PARAM) && Sym2 && (Sym2->Flags & SC_PARAM)) {
/* Compare this field */
if (TypeCmp (Sym1->Type, Sym2->Type) < TC_EQUAL) {
/* Field types not equal */
return 0;
}
/* Get the pointers to the next fields */
Sym1 = Sym1->NextSym;
Sym2 = Sym2->NextSym;
}
/* Check both pointers against NULL or a non parameter to compare the
* field count
*/
return (Sym1 == 0 || (Sym1->Flags & SC_PARAM) == 0) &&
(Sym2 == 0 || (Sym2->Flags & SC_PARAM) == 0);
}
static int EqualSymTables (SymTable* Tab1, SymTable* Tab2)
/* Compare two symbol tables. Return 1 if they are equal and 0 otherwise */
{
@ -216,7 +248,7 @@ static void DoCompare (const type* lhs, const type* rhs, typecmp_t* Result)
}
/* Compare the parameter lists */
if (EqualSymTables (F1->SymTab, F2->SymTab) == 0 ||
if (EqualFuncParams (F1->SymTab, F2->SymTab) == 0 ||
EqualSymTables (F1->TagTab, F2->TagTab) == 0) {
/* One of the tables is not identical */
SetResult (Result, TC_INCOMPATIBLE);