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

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Contents
$ j  a. C  E$ R' O# h! y1 Introduction.....................................................................................................1
1.1 Overview..............................................................................................1
1.2 Target Audience.....................................................................................1
+ B8 \+ y; n  W) u9 V1.3 Related Information................................................................................1
/ u$ ^, u% _( Y' z; l1.4 Terms...................................................................................................1
7 A2 T! }. h4 J7 X7 b& Q) B/ t1 [2 VFR Description in BNF......................................................................................3
2.1 VFR Programming Keywords....................................................................3
" a& x: [. B5 G: \+ t5 x! Q2.1.1 // (comment marker).................................................................3
- g+ x- j& ^/ ]0 `! N2.1.2 #define...................................................................................4
( A4 {# \/ a; j* s2 `$ u2.1.3 #include..................................................................................4
# N* _9 Y& B( A6 q9 p2.2 VFR Program.........................................................................................4
8 @' `, `0 Z+ C) O2.3 VFR Data Struct Definition.......................................................................5
2.4 VFR FormSet Definition...........................................................................6
2.5 VFR FormSet List Definition.....................................................................7
3 S1 s& s8 o1 j* @* L% E. [: |# F2.6 VFR Default Stores Definition...................................................................7
2.7 VFR Variable Store Definition...................................................................8
: Z( {' `0 ?; A1 w2.7.1 VFR Buffer Store Definition.........................................................8
2.7.2 VFR EFI Variable Store Definition.................................................8
- a+ F3 Z3 m& Y$ b8 v4 q3 X2.7.3 VFR Variable Name Store Definition.............................................8
7 h. I* |6 G5 D& y! b( K9 a+ p2.8 VFR FormSet DisableIf Definition..............................................................9
2.9 VFR FormSet SuppressIf Definition............................................................9
2.10 VFR General Token Definition.................................................................10
2.10.1 GUID Definition.......................................................................10
2.10.2 String & String Identifier Definition............................................10
2.10.3 Number Definition...................................................................10
2.10.4 VFR Statement Header Definition...............................................10
! S0 h2 }* N. P$ |, r7 h3 s2.10.5 VFR Question Header Definition.................................................11
2.10.6 VFR Constant Value Definition...................................................11
2.10.7 VFR Statement Image & Locked Tag Definition............................12
* Y+ c1 |5 C, G2.11 VFR Form Definition..............................................................................12
2.11.1 VFR Form Map Definition..........................................................13
4 X$ ?* g  d2 a2.11.2 VFR Image Statement Definition................................................13
2.11.3 VFR Locked Statement Definition...............................................13
' ~$ h- i( o7 K. V, k2.11.4 VFR Rule Statement Definition..................................................13
2.11.5 VFR Statement Definition.........................................................14
8 C! x+ T4 [* A" {4 R2.11.6 VFR Question Type Statements Definition...................................17
2.11.7 VFR Conditional Type Statements Definition................................32
2.11.8 VFR GUID Statement Definition.................................................33
2.12 VFR Expression Statement Definition.......................................................34
2.12.1 OR........................................................................................34
2.12.2 AND......................................................................................34
2.12.3 bitwiseor................................................................................34
2.12.4 bitwiseand.............................................................................34
2.12.5 equal.....................................................................................35
& }+ Z' H: J7 e6 K2.12.6 compare................................................................................35
8 s; X6 x  r% p) @' b2.12.7 shift......................................................................................35
! M5 m4 w! H$ |) Liii
5 T+ g7 l- x+ r5 ]" M4 a# w2.12.8 add/minus..............................................................................35
2 T  y6 W7 Q$ Y6 x5 U6 v9 k5 h; l2.12.9 multiply/divide/modulo............................................................36
2.12.10 cast terms..............................................................................36
3 w+ c$ h" T  X; l% h/ o' m2.12.11 atom terms............................................................................36