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Add Undefined Label Error

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This commit is contained in:
otya128
2016-12-04 16:30:31 +09:00
parent 46fb83483b
commit bd352d81f3
2 changed files with 24 additions and 2 deletions
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14
SMILEBASIC/compiler.d
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@@ -1167,11 +1167,21 @@ class Compiler
auto label = cast(GotoS)c; auto label = cast(GotoS)c;
if(label.sc.func) if(label.sc.func)
{ {
code[i] = new GotoAddr(label.sc.func.label[label.label]); int addr = label.sc.func.label.get(label.label, int.min);
if (addr == int.min)
{
throw new UndefinedLabel(label.label);
}
code[i] = new GotoAddr(addr);
} }
else else
{ {
code[i] = new GotoAddr(globalLabel[label.label]); int addr = globalLabel.get(label.label, int.min);
if (addr == int.min)
{
throw new UndefinedLabel(label.label);
}
code[i] = new GotoAddr(addr);
} }
} }
if(c.type == CodeType.GosubS) if(c.type == CodeType.GosubS)

12
SMILEBASIC/error.d
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@@ -96,6 +96,18 @@ class OutOfDATA : SmileBasicError
super("Out of DATA"); super("Out of DATA");
} }
} }
class UndefinedLabel : SmileBasicError
{
this()
{
this.errnum = 14;
super("Undefined label");
}
this(wstring label)
{
this();
}
}
class UndefinedVariable : SmileBasicError class UndefinedVariable : SmileBasicError
{ {
this() this()