[转载]VFR Programming Language v1.3 PDF 2010-2-12

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Contents
9 c- J" g$ m8 ^! j5 H+ j1 Introduction.....................................................................................................1
* \" `+ H4 K0 k1.1 Overview..............................................................................................1
1.2 Target Audience.....................................................................................1
& S% o! F- s" S! R. W% N1.3 Related Information................................................................................1
1.4 Terms...................................................................................................1
' R. h5 j! U; ?9 w, z- W9 _2 VFR Description in BNF......................................................................................3
& J; ?  z+ {0 f& b" x2.1 VFR Programming Keywords....................................................................3
$ L$ I+ i! {  _0 \! ^8 D: K2.1.1 // (comment marker).................................................................3
2 P( s' Q% r% V/ r# M* x( ~2.1.2 #define...................................................................................4
  P; @. N6 @7 s2.1.3 #include..................................................................................4
: H# }1 u* D; @5 V0 H4 B' K2.2 VFR Program.........................................................................................4
2 J2 U3 ^. T9 M% x3 ]8 Q/ x! p2.3 VFR Data Struct Definition.......................................................................5
7 j$ P: v2 T( W1 J2.4 VFR FormSet Definition...........................................................................6
2.5 VFR FormSet List Definition.....................................................................7
# u" T* G/ b+ T) t0 h, k3 h% N2.6 VFR Default Stores Definition...................................................................7
+ \! U8 N$ ~8 P* c8 H. u- e$ _6 R2.7 VFR Variable Store Definition...................................................................8
2.7.1 VFR Buffer Store Definition.........................................................8
9 }& f  r, b, c2 `' W4 D6 W2.7.2 VFR EFI Variable Store Definition.................................................8
+ x" z% c( [6 R7 K% N2.7.3 VFR Variable Name Store Definition.............................................8
4 j/ Q9 B4 j. c2.8 VFR FormSet DisableIf Definition..............................................................9
( y2 l$ S" p1 }1 D$ F5 d/ r/ c2.9 VFR FormSet SuppressIf Definition............................................................9
2.10 VFR General Token Definition.................................................................10
* ~! s5 k; E1 ]" r( j% y$ ?6 Z2.10.1 GUID Definition.......................................................................10
0 X" s7 B* A1 p2.10.2 String & String Identifier Definition............................................10
2.10.3 Number Definition...................................................................10
% [  L2 U* q  J5 I5 F' I2.10.4 VFR Statement Header Definition...............................................10
, p' c+ |& O" [1 P3 ^2.10.5 VFR Question Header Definition.................................................11
2.10.6 VFR Constant Value Definition...................................................11
0 J! i$ o4 s0 G4 {8 W2.10.7 VFR Statement Image & Locked Tag Definition............................12
2.11 VFR Form Definition..............................................................................12
, f4 h& l  t* u! X2.11.1 VFR Form Map Definition..........................................................13
$ }. X( O9 U- H* r* B6 s7 {" I2.11.2 VFR Image Statement Definition................................................13
2.11.3 VFR Locked Statement Definition...............................................13
- L5 V. {& l9 r' h4 @2.11.4 VFR Rule Statement Definition..................................................13
2 w$ _# X% V. F: l2.11.5 VFR Statement Definition.........................................................14
2.11.6 VFR Question Type Statements Definition...................................17
+ S- i+ I( y0 h1 m, u: \2.11.7 VFR Conditional Type Statements Definition................................32
6 s' Q8 ~0 g$ m: k% t3 `. s6 c0 I2.11.8 VFR GUID Statement Definition.................................................33
2.12 VFR Expression Statement Definition.......................................................34
2.12.1 OR........................................................................................34
, X+ J6 d' F, Q- Q# v' g2.12.2 AND......................................................................................34
: K6 N2 u+ _4 O4 z2.12.3 bitwiseor................................................................................34
2.12.4 bitwiseand.............................................................................34
% F* J+ m% W: ~8 O& L  ^2.12.5 equal.....................................................................................35
' v0 p) M. o. H2 e( \2.12.6 compare................................................................................35
2.12.7 shift......................................................................................35
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2 u3 f9 \) ?9 I' R( B2.12.8 add/minus..............................................................................35
9 ^3 `. i/ o& y# C* ^2.12.9 multiply/divide/modulo............................................................36
9 r2 K& I8 T( m2 f4 i: Q8 L% L9 `2.12.10 cast terms..............................................................................36
9 y! R; |1 M0 i- }- h2.12.11 atom terms............................................................................36