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
|
//: Spaces help isolate functions from each other. You can create them at will,
//: and all addresses in arguments are implicitly based on the 'default-space'
//: (unless they have the /raw property)
:(scenario set_default_space)
# if default-space is 10, and if an array of 5 locals lies from location 11 to 15 (inclusive),
# then location 0 is really location 11, location 1 is really location 12, and so on.
recipe main [
10:integer <- copy 5:literal # pretend array; in practice we'll use new
default-space:address:array:location <- copy 10:literal
1:integer <- copy 23:literal
]
+mem: storing 23 in location 12
:(scenario deref_sidesteps_default_space)
recipe main [
# pretend pointer from outside
3:integer <- copy 34:literal
# pretend array
1000:integer <- copy 5:literal
# actual start of this function
default-space:address:array:location <- copy 1000:literal
1:address:integer <- copy 3:literal
8:integer/raw <- copy 1:address:integer/deref
]
+mem: storing 34 in location 8
:(before "End call Fields")
size_t default_space;
:(replace "call(recipe_number r) :running_recipe(r)")
call(recipe_number r) :running_recipe(r), pc(0), next_ingredient_to_process(0), default_space(0) {}
:(replace "reagent r = x" following "reagent canonize(reagent x)")
reagent r = absolutize(x);
:(code)
reagent absolutize(reagent x) {
//? if (Recipe_number.find("increment-counter") != Recipe_number.end()) //? 1
//? cout << "AAA " << "increment-counter/2: " << Recipe[Recipe_number["increment-counter"]].steps[2].products[0].to_string() << '\n'; //? 1
//? cout << "absolutize " << x.to_string() << '\n'; //? 4
//? cout << is_raw(x) << '\n'; //? 1
if (is_raw(x) || is_dummy(x)) return x;
//? cout << "not raw: " << x.to_string() << '\n'; //? 1
assert(x.initialized);
reagent r = x;
r.set_value(address(r.value, space_base(r)));
//? cout << "after absolutize: " << r.value << '\n'; //? 1
r.properties.push_back(pair<string, vector<string> >("raw", vector<string>()));
assert(is_raw(r));
return r;
}
:(before "return result" following "reagent deref(reagent x)")
result.properties.push_back(pair<string, vector<string> >("raw", vector<string>()));
//:: fix 'get'
:(scenario deref_sidesteps_default_space_in_get)
recipe main [
# pretend pointer to container from outside
12:integer <- copy 34:literal
13:integer <- copy 35:literal
# pretend array
1000:integer <- copy 5:literal
# actual start of this function
default-space:address:array:location <- copy 1000:literal
1:address:point <- copy 12:literal
9:integer/raw <- get 1:address:point/deref, 1:offset
]
+mem: storing 35 in location 9
:(after "reagent tmp" following "case GET:")
tmp.properties.push_back(pair<string, vector<string> >("raw", vector<string>()));
//:: fix 'index'
:(scenario deref_sidesteps_default_space_in_index)
recipe main [
# pretend pointer to array from outside
12:integer <- copy 2:literal
13:integer <- copy 34:literal
14:integer <- copy 35:literal
# pretend array
1000:integer <- copy 5:literal
# actual start of this function
default-space:address:array:location <- copy 1000:literal
1:address:array:integer <- copy 12:literal
9:integer/raw <- index 1:address:array:integer/deref, 1:literal
]
+mem: storing 35 in location 9
:(after "reagent tmp" following "case INDEX:")
tmp.properties.push_back(pair<string, vector<string> >("raw", vector<string>()));
//:: helpers
:(code)
int space_base(const reagent& x) {
return Current_routine->calls.top().default_space;
}
int address(int offset, int base) {
if (base == 0) return offset; // raw
//? cout << base << '\n'; //? 1
if (offset >= Memory[base]) {
// todo: test
raise << "location " << offset << " is out of bounds " << Memory[base] << '\n';
}
return base+1 + offset;
}
:(after "void write_memory(reagent x, vector<int> data)")
if (x.name == "default-space") {
assert(data.size() == 1);
Current_routine->calls.top().default_space = data[0];
//? cout << "AAA " << Current_routine->calls.top().default_space << '\n'; //? 1
return;
}
:(scenario get_default_space)
recipe main [
default-space:address:array:location <- copy 10:literal
1:integer/raw <- copy default-space:address:array:location
]
+mem: storing 10 in location 1
:(after "vector<int> read_memory(reagent x)")
if (x.name == "default-space") {
vector<int> result;
result.push_back(Current_routine->calls.top().default_space);
return result;
}
|