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Properly use the boolean type in function declarations

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This will get rid of useless casts like 'if (isPointerEqual(x))'
It will also allow for proper casting in parameters like using a state as a boolean which is allowed in if statements for example
This commit is contained in:
Leonard2 2016-07-06 00:32:26 +02:00 committed by Christoph Oelckers
parent 371896b2cc
commit af53f5a825
1 changed files with 19 additions and 5 deletions
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24
src/thingdef/thingdef_parse.cpp
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@ -77,7 +77,7 @@ FxExpression *ParseParameter(FScanner &sc, PClassActor *cls, PType *type, bool c
sc.MustGetString();
x = new FxConstant(FSoundID(sc.String), sc);
}
else if (type == TypeSInt32 || type == TypeFloat64)
else if (type == TypeBool || type == TypeSInt32 || type == TypeFloat64)
{
x = ParseExpression (sc, cls, constant);
if (constant && !x->isConstant())
@ -85,8 +85,12 @@ FxExpression *ParseParameter(FScanner &sc, PClassActor *cls, PType *type, bool c
sc.ScriptMessage("Default parameter must be constant.");
FScriptPosition::ErrorCounter++;
}
// Do automatic coercion between ints and floats.
if (type == TypeSInt32)
// Do automatic coercion between bools, ints and floats.
if (type == TypeBool)
{
x = new FxBoolCast(x);
}
else if (type == TypeSInt32)
{
x = new FxIntCast(x);
}
@ -306,6 +310,9 @@ static void ParseArgListDef(FScanner &sc, PClassActor *cls,
switch (sc.TokenType)
{
case TK_Bool:
type = TypeBool;
break;
case TK_Int:
type = TypeSInt32;
break;
@ -477,8 +484,11 @@ static void ParseNativeFunction(FScanner &sc, PClassActor *cls)
sc.MustGetAnyToken();
switch (sc.TokenType)
{
case TK_Int:
case TK_Bool:
rets.Push(TypeBool);
break;
case TK_Int:
rets.Push(TypeSInt32);
break;
@ -1064,7 +1074,11 @@ static void ParseActionDef (FScanner &sc, PClassActor *cls)
// check for a return value
do
{
if (sc.CheckToken(TK_Int) || sc.CheckToken(TK_Bool))
if (sc.CheckToken(TK_Bool))
{
rets.Push(TypeBool);
}
else if (sc.CheckToken(TK_Int))
{
rets.Push(TypeSInt32);
}