Annotation of parser3/src/include/pa_vdouble.h, revision 1.12
1.1 paf 1: /*
1.12 ! paf 2: Parser
! 3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
! 4: Author: Alexander Petrosyan <paf@design.ru>
! 5:
! 6: $Id: pa_string.C,v 1.35 2001/03/10 12:12:51 paf Exp $
1.1 paf 7: */
8:
9: #ifndef PA_VDOUBLE_H
10: #define PA_VDOUBLE_H
11:
12: #include "pa_value.h"
1.2 paf 13: #include "pa_common.h"
1.10 paf 14: #include "classes/_double.h"
1.2 paf 15:
1.3 paf 16: #define MAX_DOUBLE_AS_STRING 20
1.1 paf 17:
1.10 paf 18: class VDouble : public VObject {
1.1 paf 19: public: // Value
20:
21: // all: for error reporting after fail(), etc
1.4 paf 22: const char *type() const { return "double"; }
1.10 paf 23: // double: this
24: Value *get_expr_result() { return this; }
1.7 paf 25:
26: // double: fdouble
1.11 paf 27: const String *get_string() {
1.3 paf 28: char *buf=static_cast<char *>(pool().malloc(MAX_DOUBLE_AS_STRING));
1.9 paf 29: snprintf(buf, MAX_DOUBLE_AS_STRING, "%g", fdouble);
1.2 paf 30: String *result=NEW String(pool());
31: result->APPEND_CONST(buf);
32: return result;
1.7 paf 33: }
34: // double: fdouble
1.9 paf 35: double get_double() { return fdouble; }
1.5 paf 36: // double: 0 or !0
1.9 paf 37: bool get_bool() { return fdouble!=0; }
1.1 paf 38:
39: public: // usage
40:
1.10 paf 41: VDouble(Pool& apool, double adouble) : VObject(apool, *double_class),
1.7 paf 42: fdouble(adouble) {
1.1 paf 43: }
1.10 paf 44:
45: void inc(double increment) { fdouble+=increment; }
1.1 paf 46:
47: private:
1.2 paf 48:
1.9 paf 49: double fdouble;
1.1 paf 50:
51: };
52:
53: #endif
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