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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
//: Advanced notation for the common/easy case where a recipe takes some fixed
//: number of ingredients and yields some fixed number of products.
:(scenario recipe_with_header)
recipe main [
1:number/raw <- add2 3, 5
]
recipe add2 x:number, y:number -> z:number [
local-scope
load-ingredients
z:number <- add x, y
reply z
]
+mem: storing 8 in location 1
//: When loading recipes save any header.
:(before "End recipe Fields")
bool has_header;
vector<reagent> ingredients;
vector<reagent> products;
:(before "End recipe Constructor")
has_header = false;
:(before "End recipe Refinements")
skip_whitespace(in);
if (in.peek() != '[') {
trace(9999, "parse") << "recipe has a header; parsing" << end();
load_recipe_header(in, result);
}
:(code)
void load_recipe_header(istream& in, recipe& result) {
result.has_header = true;
while (in.peek() != '[') {
string s = next_word(in);
if (s == "->") break;
result.ingredients.push_back(reagent(s));
trace(9999, "parse") << "header ingredient: " << result.ingredients.back().original_string << end();
skip_whitespace(in);
}
while (in.peek() != '[') {
string s = next_word(in);
result.products.push_back(reagent(s));
trace(9999, "parse") << "header product: " << result.products.back().original_string << end();
skip_whitespace(in);
}
// End Load Recipe Header(result)
}
//: Now rewrite 'load-ingredients' to instructions to create all reagents in
//: the header.
:(before "End Rewrite Instruction(curr, recipe result)")
if (curr.name == "load-ingredients") {
curr.clear();
for (long long int i = 0; i < SIZE(result.ingredients); ++i) {
curr.operation = Recipe_ordinal["next-ingredient"];
curr.name = "next-ingredient";
curr.products.push_back(result.ingredients.at(i));
result.steps.push_back(curr);
curr.clear();
}
}
:(scenarios transform)
:(scenario recipe_headers_are_checked)
% Hide_errors = true;
recipe add2 x:number, y:number -> z:number [
local-scope
load-ingredients
z:address:number <- copy 0/raw
reply z
]
+error: add2: replied with the wrong type at 'reply z'
:(before "End One-time Setup")
Transform.push_back(check_header_products);
:(code)
void check_header_products(const recipe_ordinal r) {
const recipe& rr = Recipe[r];
if (rr.products.empty()) return;
trace(9991, "transform") << "--- checking reply instructions against header for " << rr.name << end();
for (long long int i = 0; i < SIZE(rr.steps); ++i) {
const instruction& inst = rr.steps.at(i);
if (inst.operation != REPLY) continue;
if (SIZE(rr.products) != SIZE(inst.ingredients)) {
raise_error << maybe(rr.name) << "tried to reply the wrong number of products in '" << inst.to_string() << "'\n" << end();
}
for (long long int i = 0; i < SIZE(rr.products); ++i) {
if (!types_match(rr.products.at(i), inst.ingredients.at(i))) {
raise_error << maybe(rr.name) << "replied with the wrong type at '" << inst.to_string() << "'\n" << end();
}
}
}
}
//: Deduce types from the header if possible.
:(scenarios run)
:(scenario deduce_instruction_types_from_recipe_header)
recipe main [
1:number/raw <- add2 3, 5
]
recipe add2 x:number, y:number -> z:number [
local-scope
load-ingredients
z <- add x, y # no type for z
reply z
]
+mem: storing 8 in location 1
:(before "Transform.push_back(transform_names)")
Transform.push_back(deduce_types_from_header);
:(code)
void deduce_types_from_header(const recipe_ordinal r) {
recipe& rr = Recipe[r];
if (rr.products.empty()) return;
trace(9991, "transform") << "--- deducing types from header for " << rr.name << end();
map<string, const type_tree*> header;
for (long long int i = 0; i < SIZE(rr.ingredients); ++i) {
header[rr.ingredients.at(i).name] = rr.ingredients.at(i).type;
}
for (long long int i = 0; i < SIZE(rr.products); ++i) {
header[rr.products.at(i).name] = rr.products.at(i).type;
}
for (long long int i = 0; i < SIZE(rr.steps); ++i) {
instruction& inst = rr.steps.at(i);
trace(9992, "transform") << inst.to_string() << end();
for (long long int i = 0; i < SIZE(inst.ingredients); ++i) {
if (inst.ingredients.at(i).type) continue;
inst.ingredients.at(i).type = new type_tree(*header[inst.ingredients.at(i).name]);
trace(9993, "transform") << "type of " << inst.ingredients.at(i).name << " is " << dump_types(inst.ingredients.at(i)) << end();
}
for (long long int i = 0; i < SIZE(inst.products); ++i) {
if (inst.products.at(i).type) continue;
inst.products.at(i).type = new type_tree(*header[inst.products.at(i).name]);
trace(9993, "transform") << "type of " << inst.products.at(i).name << " is " << dump_types(inst.products.at(i)) << end();
}
}
}
//: One final convenience: no need to say what to return if the information is
//: in the header.
:(scenario reply_based_on_header)
recipe main [
1:number/raw <- add2 3, 5
]
recipe add2 x:number, y:number -> z:number [
local-scope
load-ingredients
z <- add x, y
reply
]
+mem: storing 8 in location 1
:(before "End Rewrite Instruction(curr, recipe result)")
if (curr.name == "reply" && curr.ingredients.empty()) {
for (long long int i = 0; i < SIZE(result.products); ++i) {
curr.ingredients.push_back(result.products.at(i));
}
}
:(scenario reply_on_fallthrough_based_on_header)
recipe main [
1:number/raw <- add2 3, 5
]
recipe add2 x:number, y:number -> z:number [
local-scope
load-ingredients
z <- add x, y
]
+transform: reply z:number
+mem: storing 8 in location 1
:(after "int main")
Transform.push_back(deduce_fallthrough_reply);
:(code)
void deduce_fallthrough_reply(const recipe_ordinal r) {
recipe& rr = Recipe[r];
if (rr.products.empty()) return;
if (rr.steps.empty()) return;
if (rr.steps.at(SIZE(rr.steps)-1).name != "reply") {
instruction inst;
inst.operation = REPLY;
inst.name = "reply";
for (long long int i = 0; i < SIZE(rr.products); ++i) {
inst.ingredients.push_back(rr.products.at(i));
}
rr.steps.push_back(inst);
}
}
:(scenario reply_on_fallthrough_already_exists)
recipe main [
1:number/raw <- add2 3, 5
]
recipe add2 x:number, y:number -> z:number [
local-scope
load-ingredients
z <- add x, y # no type for z
reply z
]
+transform: reply z
-transform: reply z:number
+mem: storing 8 in location 1
|