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

bini

Contents
1 Introduction.....................................................................................................1
1.1 Overview..............................................................................................1
2 }' A) ?" S5 h% V" ~: @1.2 Target Audience.....................................................................................1
1.3 Related Information................................................................................1
1.4 Terms...................................................................................................1
( b' w0 p4 z- [2 O1 L" X2 VFR Description in BNF......................................................................................3
2.1 VFR Programming Keywords....................................................................3
2.1.1 // (comment marker).................................................................3
0 F" Y9 X0 z4 J$ C2.1.2 #define...................................................................................4
! ~- Q) @7 H2 [' o+ }# `: A2.1.3 #include..................................................................................4
4 g* m4 L# @% n- x) n; K2.2 VFR Program.........................................................................................4
2.3 VFR Data Struct Definition.......................................................................5
( K$ e5 u2 ~: l) m9 k2.4 VFR FormSet Definition...........................................................................6
2.5 VFR FormSet List Definition.....................................................................7
2.6 VFR Default Stores Definition...................................................................7
% s2 X  G3 w3 t; d! a, N: w2.7 VFR Variable Store Definition...................................................................8
4 j& f8 G$ Y* d9 R# m- X: j2.7.1 VFR Buffer Store Definition.........................................................8
6 P8 e* ]. M5 g. L/ u4 R* D% S5 O8 ]2.7.2 VFR EFI Variable Store Definition.................................................8
2.7.3 VFR Variable Name Store Definition.............................................8
) n! u; q5 a5 @  H$ H2.8 VFR FormSet DisableIf Definition..............................................................9
: q! A0 d: L% B( y; D- h2.9 VFR FormSet SuppressIf Definition............................................................9
4 l# Z8 r- v& ]: [4 m5 ^6 W+ F: w( V2.10 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
- D) [7 ]' K. W2.10.4 VFR Statement Header Definition...............................................10
2.10.5 VFR Question Header Definition.................................................11
& w- W% L% ?# o( o0 t. ]2.10.6 VFR Constant Value Definition...................................................11
2.10.7 VFR Statement Image & Locked Tag Definition............................12
* p4 Y, |0 X: m, g% W% M$ R+ |, S2.11 VFR Form Definition..............................................................................12
% Z8 P3 h1 s% i( O" |  d3 q9 E2.11.1 VFR Form Map Definition..........................................................13
) g+ ~$ g" p' v* J  C2.11.2 VFR Image Statement Definition................................................13
2.11.3 VFR Locked Statement Definition...............................................13
5 j8 f( A3 n+ }; g. O; L! x2.11.4 VFR Rule Statement Definition..................................................13
. N6 i1 s: S1 b& X' q2.11.5 VFR Statement Definition.........................................................14
2.11.6 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
# `3 N- B  k/ R2.12.2 AND......................................................................................34
2.12.3 bitwiseor................................................................................34
9 z5 N) U4 ~! j- p6 k& o5 p+ f1 a2.12.4 bitwiseand.............................................................................34
2.12.5 equal.....................................................................................35
2.12.6 compare................................................................................35
2.12.7 shift......................................................................................35
# T: m* w+ }) Q% m4 [" @iii
2.12.8 add/minus..............................................................................35
9 P. H! f: m  X- `* N6 ~6 O: M0 \2.12.9 multiply/divide/modulo............................................................36
+ X" p! t/ n1 j) e, @# j* I+ b2.12.10 cast terms..............................................................................36
2.12.11 atom terms............................................................................36