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

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Contents
5 p* ]3 [9 b9 |1 L! A1 Q0 U, T" `1 Introduction.....................................................................................................1
1.1 Overview..............................................................................................1
1.2 Target Audience.....................................................................................1
4 T/ J+ Z5 n: ~0 S) m2 }3 O1.3 Related Information................................................................................1
1.4 Terms...................................................................................................1
2 VFR Description in BNF......................................................................................3
. V0 P( S) k+ Q2 U2.1 VFR Programming Keywords....................................................................3
7 i8 D  `/ Z0 c5 d: i2.1.1 // (comment marker).................................................................3
1 E9 W4 Z& i4 F2.1.2 #define...................................................................................4
2.1.3 #include..................................................................................4
  p, D1 Y$ @/ f4 z' @, w5 e7 W; ^* o5 w* R2.2 VFR Program.........................................................................................4
2.3 VFR Data Struct Definition.......................................................................5
# \" u) j: Q+ z2.4 VFR FormSet Definition...........................................................................6
2.5 VFR FormSet List Definition.....................................................................7
* T. l- y1 u2 O8 }/ E2.6 VFR Default Stores Definition...................................................................7
; @! o4 A: w$ b; n2.7 VFR Variable Store Definition...................................................................8
" x5 L4 U" i0 _. j: N2.7.1 VFR Buffer Store Definition.........................................................8
2.7.2 VFR EFI Variable Store Definition.................................................8
2.7.3 VFR Variable Name Store Definition.............................................8
2.8 VFR FormSet DisableIf Definition..............................................................9
- t& |+ Z7 C- o) Z; V6 Z% X2.9 VFR FormSet SuppressIf Definition............................................................9
) ~3 Y( x1 B3 R, i* @4 b3 T. w* }2.10 VFR General Token Definition.................................................................10
* r9 g/ Y$ k- w6 q1 ], {2.10.1 GUID Definition.......................................................................10
' c& T2 u9 K) `4 u9 T$ G2.10.2 String & String Identifier Definition............................................10
2.10.3 Number Definition...................................................................10
/ e; ?2 R1 {; P5 e2.10.4 VFR Statement Header Definition...............................................10
, Q* e6 n& v/ z2.10.5 VFR Question Header Definition.................................................11
' v5 G7 G3 A4 b; {8 A2.10.6 VFR Constant Value Definition...................................................11
: m. P+ U' t# h4 `1 P2.10.7 VFR Statement Image & Locked Tag Definition............................12
2.11 VFR Form Definition..............................................................................12
2.11.1 VFR Form Map Definition..........................................................13
2.11.2 VFR Image Statement Definition................................................13
2.11.3 VFR Locked Statement Definition...............................................13
2.11.4 VFR Rule Statement Definition..................................................13
$ K; @, m$ M* M& d  B4 ?2.11.5 VFR Statement Definition.........................................................14
2.11.6 VFR Question Type Statements Definition...................................17
3 D: Q4 C$ o4 v: K2.11.7 VFR Conditional Type Statements Definition................................32
2.11.8 VFR GUID Statement Definition.................................................33
2.12 VFR Expression Statement Definition.......................................................34
: F7 f: H" \+ \: Y: Y. {- L2.12.1 OR........................................................................................34
2.12.2 AND......................................................................................34
2.12.3 bitwiseor................................................................................34
2 Q5 H% [% ^1 t1 Y8 L3 w2.12.4 bitwiseand.............................................................................34
2.12.5 equal.....................................................................................35
$ n/ Y: d) F1 ]6 A* r2.12.6 compare................................................................................35
" ?& m* a1 h5 c2.12.7 shift......................................................................................35
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2.12.8 add/minus..............................................................................35
, Q9 \5 Q( v- g( C2.12.9 multiply/divide/modulo............................................................36
2.12.10 cast terms..............................................................................36
2.12.11 atom terms............................................................................36