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

bini

Contents
1 Introduction.....................................................................................................1
1.1 Overview..............................................................................................1
1.2 Target Audience.....................................................................................1
1.3 Related Information................................................................................1
( @* d# A% C9 W' G1.4 Terms...................................................................................................1
% C0 |  q  R8 h7 v0 c2 VFR Description in BNF......................................................................................3
2.1 VFR Programming Keywords....................................................................3
8 _1 G1 U. I# M! e9 {5 P! q2.1.1 // (comment marker).................................................................3
2.1.2 #define...................................................................................4
2.1.3 #include..................................................................................4
, E; ^8 B, V- a. X% u9 Y, e% U2.2 VFR Program.........................................................................................4
: k0 {1 X, d' @: b! U" a( h2.3 VFR Data Struct Definition.......................................................................5
2.4 VFR FormSet Definition...........................................................................6
2.5 VFR FormSet List Definition.....................................................................7
3 Z- k' |3 r5 I4 G8 s2.6 VFR Default Stores Definition...................................................................7
2.7 VFR Variable Store Definition...................................................................8
2.7.1 VFR Buffer Store Definition.........................................................8
2.7.2 VFR EFI Variable Store Definition.................................................8
2.7.3 VFR Variable Name Store Definition.............................................8
" O! h7 h) y" D9 S. z4 A+ B' M# X2.8 VFR FormSet DisableIf Definition..............................................................9
) k" t1 u! C  X( a) _5 m0 E: x2.9 VFR FormSet SuppressIf Definition............................................................9
2.10 VFR General Token Definition.................................................................10
: ~1 v, j% I5 n2.10.1 GUID Definition.......................................................................10
2.10.2 String & String Identifier Definition............................................10
# `- j" Q+ s0 ^2.10.3 Number Definition...................................................................10
2.10.4 VFR Statement Header Definition...............................................10
2.10.5 VFR Question Header Definition.................................................11
2.10.6 VFR Constant Value Definition...................................................11
) Y; X+ A1 [; h1 _" n2.10.7 VFR Statement Image & Locked Tag Definition............................12
) J! C- Y' D# j; U! N. z2.11 VFR Form Definition..............................................................................12
2.11.1 VFR Form Map Definition..........................................................13
# z+ N' f) w# q  z2.11.2 VFR Image Statement Definition................................................13
2 B6 M" U& U- K# T' G7 ]2.11.3 VFR Locked Statement Definition...............................................13
2.11.4 VFR Rule Statement Definition..................................................13
2.11.5 VFR Statement Definition.........................................................14
2.11.6 VFR Question Type Statements Definition...................................17
. F+ L  q, f7 p- i7 v0 Q  P) D8 O% I2.11.7 VFR Conditional Type Statements Definition................................32
2.11.8 VFR GUID Statement Definition.................................................33
' t2 u# C4 M3 T& z) e0 C2.12 VFR Expression Statement Definition.......................................................34
# i+ a; r- E5 R# ^9 f' k- H* e3 \2.12.1 OR........................................................................................34
4 U2 x0 [( n1 I+ H2.12.2 AND......................................................................................34
5 l& X! j7 a9 `% R/ C2.12.3 bitwiseor................................................................................34
  h' k$ \* b+ J2.12.4 bitwiseand.............................................................................34
2.12.5 equal.....................................................................................35
, E4 x4 b& `8 B; u  Z8 J8 D3 g6 P2 f2.12.6 compare................................................................................35
) @* @3 f0 t; R. Q* H& A0 f6 l2.12.7 shift......................................................................................35
9 `+ \- d- z. w! }3 y+ tiii
: D1 W- a1 s  z7 o# B2 @2.12.8 add/minus..............................................................................35
2.12.9 multiply/divide/modulo............................................................36
2.12.10 cast terms..............................................................................36
7 c( P( m" g' j8 c; x2.12.11 atom terms............................................................................36