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

bini

Contents
1 Introduction.....................................................................................................1
, e% _8 y' w: {; g6 I2 }1.1 Overview..............................................................................................1
1.2 Target Audience.....................................................................................1
" E. Q7 y) N8 n/ U% n1.3 Related Information................................................................................1
1.4 Terms...................................................................................................1
+ m' E- _6 S8 C2 VFR Description in BNF......................................................................................3
% ^" X5 G4 M; c0 ^+ @2.1 VFR Programming Keywords....................................................................3
2.1.1 // (comment marker).................................................................3
2.1.2 #define...................................................................................4
2 _& _# Y, T7 c% n2 X2.1.3 #include..................................................................................4
2.2 VFR Program.........................................................................................4
2.3 VFR Data Struct Definition.......................................................................5
& ^$ R- d. ^0 C- @2.4 VFR FormSet Definition...........................................................................6
2.5 VFR FormSet List Definition.....................................................................7
2.6 VFR Default Stores Definition...................................................................7
! \; Q' j6 z- a2 ~2 [0 H* K2.7 VFR Variable Store Definition...................................................................8
2.7.1 VFR Buffer Store Definition.........................................................8
2.7.2 VFR EFI Variable Store Definition.................................................8
6 f* h3 a6 v; l4 J; L2.7.3 VFR Variable Name Store Definition.............................................8
2.8 VFR FormSet DisableIf Definition..............................................................9
2.9 VFR FormSet SuppressIf Definition............................................................9
2.10 VFR General Token Definition.................................................................10
6 l8 }( M% ]' @; x) W2.10.1 GUID Definition.......................................................................10
7 }% T1 V# m3 |$ I. G; G/ X8 c2.10.2 String & String Identifier Definition............................................10
' O5 V" T# [( r1 G* C2 e% R6 n2.10.3 Number Definition...................................................................10
2.10.4 VFR Statement Header Definition...............................................10
# p$ {3 Y# _, h+ I9 r$ _5 r2.10.5 VFR Question Header Definition.................................................11
1 a6 U3 b. f, N$ C. b& M2.10.6 VFR Constant Value Definition...................................................11
2.10.7 VFR Statement Image & Locked Tag Definition............................12
. ?3 b9 S+ D1 y( o4 p2.11 VFR Form Definition..............................................................................12
  r; G: l6 [$ t' M5 P5 q2.11.1 VFR Form Map Definition..........................................................13
2.11.2 VFR Image Statement Definition................................................13
2.11.3 VFR Locked Statement Definition...............................................13
; l2 e3 j8 j* }* x/ \; x1 A+ W2.11.4 VFR Rule Statement Definition..................................................13
" C8 D% u! g' o! B8 F. _( v: r2.11.5 VFR Statement Definition.........................................................14
2.11.6 VFR Question Type Statements Definition...................................17
( X) h) \5 E, X5 P' P2.11.7 VFR Conditional Type Statements Definition................................32
6 g, o- v- E( ?( ^* J2.11.8 VFR GUID Statement Definition.................................................33
2.12 VFR Expression Statement Definition.......................................................34
2 W$ ~% r: W* F5 [% \2.12.1 OR........................................................................................34
2.12.2 AND......................................................................................34
2.12.3 bitwiseor................................................................................34
2.12.4 bitwiseand.............................................................................34
- Z0 g  f3 A9 j7 L* y. e4 H6 ?2.12.5 equal.....................................................................................35
2.12.6 compare................................................................................35
2.12.7 shift......................................................................................35
- q" Z3 u& A( l* b$ N% [  w6 h( z$ i5 L9 viii
2.12.8 add/minus..............................................................................35
2.12.9 multiply/divide/modulo............................................................36
2.12.10 cast terms..............................................................................36
2.12.11 atom terms............................................................................36