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

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Contents
( z# S9 L& J1 K9 O( {1 Introduction.....................................................................................................1
1.1 Overview..............................................................................................1
1.2 Target Audience.....................................................................................1
/ J9 U+ j* _; x. u1 L" k1.3 Related Information................................................................................1
8 J$ A: p0 {8 y5 `) ]1.4 Terms...................................................................................................1
, p% v( X! M9 E. p6 y$ R* k2 VFR Description in BNF......................................................................................3
7 k' F0 \5 m8 @* T6 t2.1 VFR Programming Keywords....................................................................3
6 z6 h3 e; l2 t2.1.1 // (comment marker).................................................................3
5 _' b6 y' d, t0 l+ y2 }. |& l2 ~2.1.2 #define...................................................................................4
2.1.3 #include..................................................................................4
2.2 VFR Program.........................................................................................4
2.3 VFR Data Struct Definition.......................................................................5
0 a; n6 `1 T, l+ c2.4 VFR FormSet Definition...........................................................................6
2.5 VFR FormSet List Definition.....................................................................7
5 \* u# E% `2 l2.6 VFR Default Stores Definition...................................................................7
2.7 VFR Variable Store Definition...................................................................8
# x- R6 f( Q' \2.7.1 VFR Buffer Store Definition.........................................................8
4 L1 I  c0 [, i2.7.2 VFR EFI Variable Store Definition.................................................8
' K" j+ J) M* v' ~+ o2.7.3 VFR Variable Name Store Definition.............................................8
' Y' [! M) R7 K4 x2.8 VFR FormSet DisableIf Definition..............................................................9
2.9 VFR FormSet SuppressIf Definition............................................................9
3 }" y. X/ X" Z2.10 VFR General Token Definition.................................................................10
; R- {# C0 Z& k5 v2.10.1 GUID Definition.......................................................................10
8 s9 y8 d8 ]+ n% c- F& \  W/ B2.10.2 String & String Identifier Definition............................................10
2.10.3 Number Definition...................................................................10
! Z. \2 e8 |5 P& Z& J. t3 u2.10.4 VFR Statement Header Definition...............................................10
2.10.5 VFR Question Header Definition.................................................11
2.10.6 VFR Constant Value Definition...................................................11
6 Z( a8 `9 W7 ^* A8 }; a# N2.10.7 VFR Statement Image & Locked Tag Definition............................12
6 ]1 o! f! B9 Y! ]2.11 VFR Form Definition..............................................................................12
2.11.1 VFR Form Map Definition..........................................................13
- Y* M( _" o" ~  d+ C/ S2.11.2 VFR Image Statement Definition................................................13
! L$ F( L) H: v* i2.11.3 VFR Locked Statement Definition...............................................13
2.11.4 VFR Rule Statement Definition..................................................13
0 c2 S9 a0 l( e$ ~; W2.11.5 VFR Statement Definition.........................................................14
0 V7 |) s2 B4 q- d+ x4 P4 N2.11.6 VFR Question Type Statements Definition...................................17
- L5 R% v! Q9 S5 D0 u5 _2.11.7 VFR Conditional Type Statements Definition................................32
5 l; s  i7 Z2 }9 h3 @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
2.12.6 compare................................................................................35
" \: j, I2 ~5 V; m2.12.7 shift......................................................................................35
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2.12.8 add/minus..............................................................................35
2.12.9 multiply/divide/modulo............................................................36
! K) f5 w+ L: b; M" i( U$ q  K% }2.12.10 cast terms..............................................................................36
2.12.11 atom terms............................................................................36