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
|
#include "yql_co_transformer.h"
#include "yql_co.h"
#include <yql/essentials/core/yql_expr_optimize.h>
#include <yql/essentials/core/yql_expr_type_annotation.h>
#include <yql/essentials/core/yql_join.h>
#include <yql/essentials/core/yql_opt_utils.h>
#include <yql/essentials/core/yql_opt_window.h>
#include <yql/essentials/utils/log/log.h>
#include <yql/essentials/utils/yql_panic.h>
#include <yql/essentials/ast/yql_gc_nodes.h>
#include <util/string/cast.h>
#include <unordered_set>
namespace NYql {
namespace {
class TCommonOptTransformer final : public TSyncTransformerBase {
public:
TCommonOptTransformer(TTypeAnnotationContext* typeCtx, bool final)
: TypeCtx(typeCtx)
, Final(final)
{}
IGraphTransformer::TStatus DoTransform(TExprNode::TPtr input, TExprNode::TPtr& output, TExprContext& ctx) final;
void Rewind() final;
private:
IGraphTransformer::TStatus DoTransform(const TExprNode::TPtr& input, TExprNode::TPtr& output, TExprContext& ctx,
const TCallableOptimizerMap& callables, TProcessedNodesSet& processedNodes,
bool withParents);
IGraphTransformer::TStatus DoTransform(const TExprNode::TPtr& input, TExprNode::TPtr& output, TExprContext& ctx,
const TFinalizingOptimizerMap& callables);
private:
TProcessedNodesSet SimpleProcessedNodes[TCoCallableRules::SIMPLE_STEPS];
TProcessedNodesSet FlowProcessedNodes[TCoCallableRules::FLOW_STEPS];
TProcessedNodesSet FinalProcessedNodes;
TTypeAnnotationContext* TypeCtx;
const bool Final;
};
}
TAutoPtr<IGraphTransformer> CreateCommonOptTransformer(TTypeAnnotationContext* typeCtx) {
return new TCommonOptTransformer(typeCtx, false);
}
TAutoPtr<IGraphTransformer> CreateCommonOptFinalTransformer(TTypeAnnotationContext* typeCtx) {
return new TCommonOptTransformer(typeCtx, true);
}
IGraphTransformer::TStatus TCommonOptTransformer::DoTransform(TExprNode::TPtr input, TExprNode::TPtr& output, TExprContext& ctx) {
IGraphTransformer::TStatus status = IGraphTransformer::TStatus::Ok;
output = std::move(input);
if (Final) {
return DoTransform(input = std::move(output), output, ctx, TCoCallableRules::Instance().FinalCallables, FinalProcessedNodes, true);
}
for (ui32 i = 0; i < TCoCallableRules::SIMPLE_STEPS; ++i) {
status = DoTransform(input = std::move(output), output, ctx, TCoCallableRules::Instance().SimpleCallables[i], SimpleProcessedNodes[i], true);
if (status.Level != IGraphTransformer::TStatus::Ok) {
return status;
}
}
for (ui32 i = 0; i < TCoCallableRules::FLOW_STEPS; ++i) {
status = DoTransform(input = std::move(output), output, ctx, TCoCallableRules::Instance().FlowCallables[i], FlowProcessedNodes[i], true);
if (status.Level != IGraphTransformer::TStatus::Ok) {
return status;
}
}
status = DoTransform(input = std::move(output), output, ctx, TCoCallableRules::Instance().Finalizers);
if (status.Level != IGraphTransformer::TStatus::Ok) {
return status;
}
return status;
}
void TCommonOptTransformer::Rewind() {
FinalProcessedNodes.clear();
for (auto& set : FlowProcessedNodes) {
set.clear();
}
for (auto& set : SimpleProcessedNodes) {
set.clear();
}
}
IGraphTransformer::TStatus TCommonOptTransformer::DoTransform(
const TExprNode::TPtr& input, TExprNode::TPtr& output, TExprContext& ctx,
const TCallableOptimizerMap& callables,
TProcessedNodesSet& processedNodes, bool withParents)
{
TOptimizeExprSettings settings(TypeCtx);
settings.ProcessedNodes = &processedNodes;
settings.CustomInstantTypeTransformer = TypeCtx->CustomInstantTypeTransformer.Get();
TParentsMap parentsMap;
TOptimizeContext optCtx;
optCtx.Types = TypeCtx;
if (withParents) {
GatherParents(*input, parentsMap);
optCtx.ParentsMap = &parentsMap;
}
TCallableOptimizerExt defaultOpt;
auto defaultIt = callables.find("");
if (defaultIt != callables.end()) {
defaultOpt = defaultIt->second;
}
return OptimizeExpr(input, output, [&callables, &optCtx, defaultOpt](const TExprNode::TPtr& node, TExprContext& ctx) -> TExprNode::TPtr {
const auto rule = callables.find(node->Content());
TExprNode::TPtr result = node;
if (rule != callables.cend()) {
result = (rule->second)(node, ctx, optCtx);
}
if (defaultOpt && result == node) {
result = defaultOpt(node, ctx, optCtx);
}
return result;
}, ctx, settings);
}
IGraphTransformer::TStatus TCommonOptTransformer::DoTransform(const TExprNode::TPtr& input, TExprNode::TPtr& output, TExprContext& ctx,
const TFinalizingOptimizerMap& callables)
{
TParentsMap parentsMap;
TOptimizeContext optCtx;
optCtx.Types = TypeCtx;
GatherParents(*input, parentsMap);
optCtx.ParentsMap = &parentsMap;
TNodeOnNodeOwnedMap toOptimize;
bool isError = false;
TFinalizingOptimizerExt defaultOpt;
auto defaultIt = callables.find("");
if (defaultIt != callables.end()) {
defaultOpt = defaultIt->second;
}
VisitExpr(input,
[&toOptimize, &isError](const TExprNode::TPtr&) {
return toOptimize.empty() && !isError;
},
[&callables, &defaultOpt, &toOptimize, &ctx, &optCtx, &isError](const TExprNode::TPtr& node) {
if (isError) {
return false;
}
if (toOptimize.empty()) {
const auto rule = callables.find(node->Content());
if (callables.cend() != rule) {
isError = isError || !(rule->second)(node, toOptimize, ctx, optCtx);
}
if (defaultOpt && toOptimize.empty() && !isError) {
isError = isError || !defaultOpt(node, toOptimize, ctx, optCtx);
}
}
return toOptimize.empty() && !isError;
}
);
if (isError) {
return IGraphTransformer::TStatus::Error;
}
if (!toOptimize.empty()) {
TOptimizeExprSettings settings(TypeCtx);
settings.VisitTuples = true;
settings.CustomInstantTypeTransformer = TypeCtx->CustomInstantTypeTransformer.Get();
return RemapExpr(input, output, toOptimize, ctx, settings);
}
output = input;
return IGraphTransformer::TStatus::Ok;
}
const TCoCallableRules& TCoCallableRules::Instance() {
return *Singleton<TCoCallableRules>();
}
TCoCallableRules::TCoCallableRules() {
RegisterCoSimpleCallables1(SimpleCallables[SIMPLE_STEP_1]);
RegisterCoSimpleCallables2(SimpleCallables[SIMPLE_STEP_2]);
RegisterCoSimpleCallables3(SimpleCallables[SIMPLE_STEP_3]);
RegisterCoFlowCallables1(FlowCallables[FLOW_STEP_1]);
RegisterCoFlowCallables2(FlowCallables[FLOW_STEP_2]);
RegisterCoFinalizers(Finalizers);
RegisterCoFinalCallables(FinalCallables);
}
}
|
