Annotation of parser3/src/include/pa_vunknown.h, revision 1.8
1.1 paf 1: /*
1.8 ! paf 2: $Id: pa_vunknown.h,v 1.7 2001/03/08 17:14:51 paf Exp $
1.1 paf 3: */
4:
5: #ifndef PA_VUNKNOWN_H
6: #define PA_VUNKNOWN_H
7:
8: #include "pa_value.h"
1.8 ! paf 9: #include "core.h"
1.1 paf 10:
11: class VUnknown : public Value {
12: public: // Value
13:
14: // all: for error reporting after fail(), etc
1.2 paf 15: const char *type() const { return "unknown"; }
1.1 paf 16:
17: // unknown: ""
1.8 ! paf 18: const String *get_string() { return empty_string; }
1.4 paf 19: // unknown: false
20: bool get_defined() { return false; }
21: // unknown: false
1.3 paf 22: bool get_bool() { return false; }
1.1 paf 23:
24: public: // usage
25:
1.8 ! paf 26: VUnknown(Pool& apool) : Value(apool) {
1.1 paf 27: }
28:
29: };
30:
31: #endif
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