summaryrefslogtreecommitdiff
path: root/web/yacco2/diagrams/yacco2_stbl.mp
blob: 23454a43456aae7f5b14b5f67589125a1a69f712 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
% file: yacco2_stbl.mp
input boxes
beginfig(1);
u=1cc;
% char_pool
pair sw,se,ne,nw;
sw:=(0,0);
se:=(1u,0);
ne:=(1u,6u);
nw:=(0,6u);
draw sw--se--ne--nw--cycle;
%outline the bytes 
pair zx,zy;
for i=1 upto 5:
  zx:=(0,i*u);zy:=(1u,i*u);
  draw zx--zy;
  if i=5:
    pair ze,zw;
    ze:=(1u,6u);zw:=(0,6u);
    draw zx--ze;
    draw .5[zx,zy]--.5[zy,ze];
    draw .5[zx,zw]--.5[zw,ze];
  fi
  string d; d:=substring(i-1,i) of "Rbegn";
  label.top(d,.5[zx-(0,1u),zy-(0,1u)]);
  string a;a:=decimal (i-1);
  defaultscale:=.6;
  label.lft(substring(0,1)of a,zx-(0,1u));
  defaultscale:=1;
endfor
  defaultscale:=.6;
  label.lft("5",(0,5u));
  defaultscale:=1;
  label.bot(btex $char\_pool$ etex,(0,0u));

% stbl
sw:=(5u,0);
se:=(6u,0);
ne:=(6u,4u);
nw:=(5u,4u);
draw sw--se--ne--nw--cycle;
%outline the bytes 
for i=1 upto 3:
  zx:=(5u,i*u);zy:=(6u,i*u);
  if i = 3:
    draw zx{dir 45} .. .5[zx,zy] {dir -45} .. zy;
  else:
    draw zx--zy;
  fi
endfor
% draw arrows
drawarrow .5[(5u,0u),(6u,1u)]{left}.. .5[(1u,0),(1u,1u)];
 label.lft("top",(-1u,5.5u));
 drawarrow (-1u,5.5u)..(0,5.5u); 
label.bot(btex $stbl[].table\_entry$ etex,(6u,0u));
label.top(btex $key\uparrow$ etex,.5[.5[(5u,0u),(6u,1u)],.5[(1u,0),(1u,1u)]]);

% label subscripts
defaultscale:=.6;
for i=0 upto 3:
  zy:=(6u,i*u);
  string a;
  if i=3:
    a := "prime-1";
    label.rt(a,zy);
  else:
    a:=decimal (i);
    label.rt(substring(0,1)of a,zy);
  fi
endfor
defaultscale:=1;


%outline table_entry 
label.rt(btex table$\_$entry: etex,(9u,6u));
label.rt(btex $\bullet\ $key$\uparrow$ \ \ $\bullet\ $key\ len\ \ $\bullet\ $stbl\ pos etex,(10u,5u));
label.rt(btex $\bullet\ $vacant --- boolean valued etex,(10u,4u));
label.rt(btex $\bullet\ $defined\ \ $\bullet\ $used --- both boolean valued etex,(10u,3u));
label.rt(btex $\bullet\ $type\ $\in\ $\ rule, terminal, keyword, thread, unknown etex,(10u,2u));
label.rt(btex $\bullet\ $symbol\ $\uparrow\ \in\ $rule$\_$in$\_$stbl, T$\_$in$\_$stbl, kw$\_$in$\_$stbl, th$\_$in$\_$stbl, tth$\_$in$\_$stbl etex,(10u,1u));
endfig;

beginfig(2);
% outline rule-in-stbl 
label.rt(btex rule$\_$in$\_$stbl: etex,(1u,10u));
label.rt(btex $\bullet\ $stbl index etex,(2u,9u));
label.rt(btex $\bullet\ $rule$\_$def\ $\uparrow$ etex,(2u,8u));
	label.rt(btex $\bullet\ $auto delete\ $\bullet\ $ auto abort etex,(3u,7u));
	label.rt(btex $\bullet\ $contains an epsilon subrule etex,(3u,6u));
	label.rt(btex $\bullet\ $rule name etex,(3u,5u));
	label.rt(btex $\bullet\ $parallel$\_$monitor$\_$phrase$\uparrow$ etex,(3u,4u));
	label.rt(btex $\bullet\ $subrules$\_$phrase$\uparrow$ etex,(3u,3u));
	label.rt(btex $\bullet\ $rule$\_$lhs$\_$phrase$\uparrow$ etex,(3u,2u));
	label.rt(btex $\bullet\ $lhs directives map\ --- $<$string, CAbs$\_$lr1$\_$sym$\uparrow > $ etex,(3u,1u));

label.rt(btex $\bullet\ $list of refered$\_$rule $\uparrow$ etex,(2u,0u));
	label.rt(btex $\bullet\ $referenced rule \ --- rule$\_$in$\_$stbl$\uparrow$ etex,(3u,-1u));


% outline T-in-stbl 
label.rt(btex T$\_$in$\_$stbl: etex,(19u,10u));
label.rt(btex $\bullet\ $stbl index etex,(20u,9u));
label.rt(btex $\bullet\ $terminal$\_$def\ $\uparrow$ etex,(20u,8u));
	label.rt(btex $\bullet\ $auto delete\ $\bullet\ $ auto abort etex,(21u,7u));
	label.rt(btex $\bullet\ $terminal name etex,(21u,6u));
	label.rt(btex $\bullet\ $class name etex,(21u,5u));
	label.rt(btex $\bullet\ $directives map\ --- $<$string, CAbs$\_$lr1$\_$sym$\uparrow > $ etex,(21u,4u));

label.rt(btex $\bullet\ $list of refered$\_$T $\uparrow$ etex,(20u,3u));
	label.rt(btex $\bullet\ $referenced terminal \ --- T$\_$in$\_$stbl$\uparrow$ etex,(21u,2u));

% outline th-in-stbl 
label.rt(btex th$\_$in$\_$stbl: Linker only etex,(1u,-3u));
label.rt(btex $\bullet\ $stbl index etex,(2u,-4u));
label.rt(btex $\bullet\ $thread$\_$attributes\ $\uparrow$ etex,(2u,-5u));
	label.rt(btex $\bullet\ $transitive\ $\bullet\ $ monolithic etex,(3u,-6u));
	label.rt(btex $\bullet\ $grammar name etex,(3u,-7u));
	label.rt(btex $\bullet\ $namespace name etex,(3u,-8u));
	label.rt(btex $\bullet\ $thread name etex,(3u,-9u));
	label.rt(btex $\bullet\ $file name etex,(3u,-10u));
	label.rt(btex $\bullet\ $enumeration value etex,(3u,-11u));


% outline tth-in-stbl - linker's terminals 
label.rt(btex tth$\_$in$\_$stbl: Linker only etex,(19u,-3u));
label.rt(btex $\bullet\ $stbl index etex,(20u,-4u));
label.rt(btex $\bullet\ $T$\_$attributes\ $\uparrow$ etex,(20u,-5u));
	label.rt(btex $\bullet\ $fully qualified name etex,(21u,-6u));
	label.rt(btex $\bullet\ $enumeration value etex,(21u,-7u));

% outline kw-in-stbl 
label.rt(btex kw$\_$in$\_$stbl: etex,(19u,-9u));
label.rt(btex $\bullet\ $stbl index etex,(20u,-10u));
label.rt(btex $\bullet\ $CAbs$\_$lr1$\_$sym\ $\uparrow$ etex,(20u,-11u));
endfig;
end;