quantrs2-circuit 0.1.3

Quantum circuit representation and DSL for the QuantRS2 framework
Documentation
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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
//! Auto-generated module
//!
//! 🤖 Generated with [SplitRS](https://github.com/cool-japan/splitrs)

use crate::builder::Circuit;
use crate::scirs2_integration::{AnalyzerConfig, GraphMetrics, SciRS2CircuitAnalyzer};
use quantrs2_core::{
    error::{QuantRS2Error, QuantRS2Result},
    gate::GateOp,
    qubit::QubitId,
};
use scirs2_core::ndarray::{Array1, Array2};
use scirs2_core::Complex64;
use serde::{Deserialize, Serialize};
use std::collections::{HashMap, HashSet, VecDeque};
use std::sync::{Arc, Mutex, RwLock};
use std::time::{Duration, Instant, SystemTime};

/// Gate properties for debugging
#[derive(Debug, Clone)]
pub struct GateProperties {
    /// Gate name
    pub name: String,
    /// Gate matrix representation
    pub matrix: Option<Array2<Complex64>>,
    /// Target qubits
    pub target_qubits: Vec<QubitId>,
    /// Control qubits
    pub control_qubits: Vec<QubitId>,
    /// Gate parameters
    pub parameters: HashMap<String, f64>,
    /// Gate fidelity
    pub fidelity: Option<f64>,
    /// Gate execution time
    pub execution_time: Duration,
}
/// Breakpoint action
#[derive(Debug, Clone)]
pub enum BreakpointAction {
    /// Pause execution
    Pause,
    /// Log information
    Log { message: String },
    /// Take snapshot
    Snapshot,
    /// Run custom analysis
    CustomAnalysis { analysis_type: String },
}
/// Analysis depth levels
#[derive(Debug, Clone)]
pub enum AnalysisDepth {
    /// Basic performance metrics
    Basic,
    /// Standard analysis with trends
    Standard,
    /// Comprehensive analysis with predictions
    Comprehensive,
    /// Deep analysis with ML insights
    Deep,
}
/// Breakpoint management system
#[derive(Debug, Clone)]
pub struct BreakpointManager {
    /// Gate-based breakpoints
    pub gate_breakpoints: HashSet<usize>,
    /// Qubit-based breakpoints
    pub qubit_breakpoints: HashMap<QubitId, BreakpointCondition>,
    /// State-based breakpoints
    pub state_breakpoints: Vec<StateBreakpoint>,
    /// Conditional breakpoints
    pub conditional_breakpoints: Vec<ConditionalBreakpoint>,
    /// Breakpoint hit counts
    pub hit_counts: HashMap<String, usize>,
}
/// Trend direction
#[derive(Debug, Clone)]
pub enum TrendDirection {
    /// Increasing trend
    Increasing,
    /// Decreasing trend
    Decreasing,
    /// Stable/flat trend
    Stable,
    /// Oscillating trend
    Oscillating,
    /// Unknown trend
    Unknown,
}
/// Gate execution metrics
#[derive(Debug, Clone)]
pub struct GateExecutionMetrics {
    /// Execution time
    pub execution_time: Duration,
    /// Memory usage change
    pub memory_change: i64,
    /// Error rate estimate
    pub error_rate: Option<f64>,
    /// Resource utilization
    pub resource_utilization: f64,
}
/// Gate visualization information
#[derive(Debug, Clone)]
pub struct GateVisualization {
    /// Gate name
    pub name: String,
    /// Position in circuit
    pub position: (usize, usize),
    /// Gate type for styling
    pub gate_type: GateType,
    /// Visual attributes
    pub attributes: GateAttributes,
}
/// Error pattern identification
#[derive(Debug, Clone)]
pub struct ErrorPattern {
    /// Pattern type
    pub pattern_type: PatternType,
    /// Pattern frequency
    pub frequency: f64,
    /// Pattern description
    pub description: String,
    /// Confidence score
    pub confidence: f64,
}
/// Export formats
#[derive(Debug, Clone, Hash, Eq, PartialEq)]
pub enum ExportFormat {
    /// PNG image
    PNG,
    /// SVG vector graphics
    SVG,
    /// PDF document
    PDF,
    /// JSON data
    JSON,
    /// CSV data
    CSV,
    /// HTML interactive
    HTML,
}
/// Visualization snapshot
#[derive(Debug, Clone)]
pub struct VisualizationSnapshot<const N: usize> {
    /// Snapshot timestamp
    pub timestamp: SystemTime,
    /// Gate index when snapshot was taken
    pub gate_index: usize,
    /// Visualization data
    pub visualization: Visualization<N>,
    /// Snapshot metadata
    pub metadata: HashMap<String, String>,
}
/// Solution recommendation
#[derive(Debug, Clone)]
pub struct Solution {
    /// Solution description
    pub description: String,
    /// Implementation difficulty
    pub difficulty: Difficulty,
    /// Expected effectiveness
    pub effectiveness: f64,
    /// Implementation steps
    pub steps: Vec<String>,
}
/// State-based breakpoint
#[derive(Debug, Clone)]
pub struct StateBreakpoint {
    /// Breakpoint ID
    pub id: String,
    /// Target state pattern
    pub target_state: StatePattern,
    /// Tolerance for state matching
    pub tolerance: f64,
    /// Whether this breakpoint is enabled
    pub enabled: bool,
}
/// Export options for visualizations
#[derive(Debug, Clone)]
pub struct ExportOptions {
    /// Supported export formats
    pub formats: HashSet<ExportFormat>,
    /// Default export quality
    pub default_quality: RenderingQuality,
    /// Export directory
    pub export_directory: Option<String>,
    /// Auto-export enabled
    pub auto_export: bool,
}
/// Memory usage statistics
#[derive(Debug, Clone)]
pub struct MemoryStatistics {
    /// Average memory usage
    pub average_usage: f64,
    /// Peak memory usage
    pub peak_usage: usize,
    /// Memory efficiency score
    pub efficiency_score: f64,
    /// Memory leak indicators
    pub leak_indicators: Vec<String>,
}
/// Profiling statistics
#[derive(Debug, Clone)]
pub struct ProfilingStatistics {
    /// Total samples collected
    pub total_samples: usize,
    /// Profiling duration
    pub profiling_duration: Duration,
    /// Average sample rate
    pub average_sample_rate: f64,
    /// Performance metrics
    pub performance_metrics: HashMap<String, f64>,
}
/// Types of performance bottlenecks
#[derive(Debug, Clone)]
pub enum BottleneckType {
    /// CPU bound operations
    CpuBound,
    /// Memory bound operations
    MemoryBound,
    /// I/O bound operations
    IoBound,
    /// Gate execution bottleneck
    GateExecution,
    /// State vector operations
    StateVector,
    /// Quantum entanglement operations
    Entanglement,
}
/// Priority levels
#[derive(Debug, Clone)]
pub enum Priority {
    /// Low priority
    Low,
    /// Medium priority
    Medium,
    /// High priority
    High,
    /// Critical priority
    Critical,
}
/// Types of error patterns
#[derive(Debug, Clone)]
pub enum PatternType {
    /// Periodic error pattern
    Periodic,
    /// Burst error pattern
    Burst,
    /// Gradual error pattern
    Gradual,
    /// Random error pattern
    Random,
    /// Systematic error pattern
    Systematic,
}
/// Timing information
#[derive(Debug, Clone)]
pub struct TimingInfo {
    /// Execution start time
    pub start_time: SystemTime,
    /// Current execution time
    pub current_time: SystemTime,
    /// Total execution duration
    pub total_duration: Duration,
    /// Gate execution times
    pub gate_times: Vec<Duration>,
    /// Timing statistics
    pub timing_stats: TimingStatistics,
}
/// Single history entry
#[derive(Debug, Clone)]
pub struct HistoryEntry<const N: usize> {
    /// Entry timestamp
    pub timestamp: SystemTime,
    /// Gate that was executed
    pub gate_executed: Option<Box<dyn GateOp>>,
    /// State before execution
    pub state_before: Array1<Complex64>,
    /// State after execution
    pub state_after: Array1<Complex64>,
    /// Execution metrics
    pub execution_metrics: GateExecutionMetrics,
    /// Any errors that occurred
    pub errors: Vec<DebugError>,
}
/// Memory usage information
#[derive(Debug, Clone)]
pub struct MemoryUsage {
    /// Current memory usage in bytes
    pub current_usage: usize,
    /// Peak memory usage
    pub peak_usage: usize,
    /// Memory usage history
    pub usage_history: VecDeque<MemorySnapshot>,
    /// Memory allocation breakdown
    pub allocation_breakdown: HashMap<String, usize>,
}
/// Gate types for visualization
#[derive(Debug, Clone)]
pub enum GateType {
    /// Single qubit gate
    SingleQubit,
    /// Two qubit gate
    TwoQubit,
    /// Multi qubit gate
    MultiQubit,
    /// Measurement
    Measurement,
    /// Barrier
    Barrier,
}
/// Execution status of the debugger
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ExecutionStatus {
    /// Debugger is ready to start
    Ready,
    /// Currently executing
    Running,
    /// Paused at a breakpoint
    Paused,
    /// Stopped by user
    Stopped,
    /// Execution completed
    Completed,
    /// Error occurred during execution
    Error { message: String },
    /// Stepping through gates one by one
    Stepping,
}
/// Visual attributes for gates
#[derive(Debug, Clone)]
pub struct GateAttributes {
    /// Gate color
    pub color: Option<String>,
    /// Gate size
    pub size: Option<f64>,
    /// Gate style
    pub style: Option<String>,
    /// Additional properties
    pub properties: HashMap<String, String>,
}
/// Watched performance metrics
#[derive(Debug, Clone)]
pub struct WatchedMetric {
    /// Metric name
    pub name: String,
    /// Current metric value
    pub current_value: f64,
    /// Metric history
    pub history: VecDeque<MetricSnapshot>,
    /// Watch configuration
    pub config: WatchConfig,
}
/// Impact assessment
#[derive(Debug, Clone)]
pub struct ImpactAssessment {
    /// Performance impact score
    pub performance_impact: f64,
    /// Memory impact score
    pub memory_impact: f64,
    /// Accuracy impact score
    pub accuracy_impact: f64,
    /// Overall impact score
    pub overall_impact: f64,
}
/// Current execution state of the debugger
#[derive(Debug, Clone)]
pub struct ExecutionState<const N: usize> {
    /// Current gate index being executed
    pub current_gate_index: usize,
    /// Current quantum state
    pub current_state: Array1<Complex64>,
    /// Execution status
    pub status: ExecutionStatus,
    /// Number of executed gates
    pub gates_executed: usize,
    /// Current execution depth
    pub current_depth: usize,
    /// Memory usage tracking
    pub memory_usage: MemoryUsage,
    /// Timing information
    pub timing_info: TimingInfo,
}
/// Watched quantum state
#[derive(Debug, Clone)]
pub struct WatchedState<const N: usize> {
    /// State name
    pub name: String,
    /// Current state value
    pub current_state: Array1<Complex64>,
    /// State history
    pub history: VecDeque<StateSnapshot<N>>,
    /// Watch configuration
    pub config: WatchConfig,
}
/// Connection visualization
#[derive(Debug, Clone)]
pub struct ConnectionVisualization {
    /// Source position
    pub source: (usize, usize),
    /// Target position
    pub target: (usize, usize),
    /// Connection type
    pub connection_type: ConnectionType,
}
/// Result of a single debugging step
#[derive(Debug, Clone)]
pub enum StepResult {
    /// Step executed successfully
    Success,
    /// Hit a breakpoint
    Breakpoint,
    /// Execution completed
    Completed,
    /// Error occurred
    Error(QuantRS2Error),
}
/// Performance sample
#[derive(Debug, Clone)]
pub struct PerformanceSample {
    /// Sample timestamp
    pub timestamp: SystemTime,
    /// CPU usage
    pub cpu_usage: f64,
    /// Memory usage
    pub memory_usage: usize,
    /// Gate execution time
    pub gate_execution_time: Duration,
    /// Quantum state complexity
    pub state_complexity: f64,
    /// Error rates
    pub error_rates: HashMap<String, f64>,
}
/// Types of errors to detect
#[derive(Debug, Clone, Hash, Eq, PartialEq)]
pub enum ErrorType {
    /// State vector errors
    StateVectorError,
    /// Gate execution errors
    GateExecutionError,
    /// Memory errors
    MemoryError,
    /// Timing errors
    TimingError,
    /// Numerical errors
    NumericalError,
    /// Logical errors
    LogicalError,
}
/// Types of visualizations
#[derive(Debug, Clone, Hash, Eq, PartialEq)]
pub enum VisualizationType {
    /// Circuit diagram
    CircuitDiagram,
    /// Bloch sphere
    BlochSphere,
    /// State vector
    StateVector,
    /// Probability distribution
    ProbabilityDistribution,
    /// Entanglement visualization
    Entanglement,
    /// Performance graphs
    Performance,
    /// Memory usage graphs
    Memory,
    /// Error analysis plots
    ErrorAnalysis,
}
/// Conditional breakpoint
#[derive(Debug, Clone)]
pub struct ConditionalBreakpoint {
    /// Breakpoint ID
    pub id: String,
    /// Condition to evaluate
    pub condition: BreakpointCondition,
    /// Action to take when condition is met
    pub action: BreakpointAction,
    /// Whether this breakpoint is enabled
    pub enabled: bool,
}
/// State snapshot for history
#[derive(Debug, Clone)]
pub struct StateSnapshot<const N: usize> {
    /// Snapshot timestamp
    pub timestamp: SystemTime,
    /// State at this point
    pub state: Array1<Complex64>,
    /// Gate index when snapshot was taken
    pub gate_index: usize,
    /// Additional metadata
    pub metadata: HashMap<String, String>,
}
/// Trend analysis for metrics
#[derive(Debug, Clone)]
pub struct TrendAnalysis {
    /// Metric name
    pub metric_name: String,
    /// Trend direction
    pub trend_direction: TrendDirection,
    /// Trend strength
    pub trend_strength: f64,
    /// Trend prediction
    pub prediction: Option<f64>,
    /// Confidence score
    pub confidence: f64,
}
/// Error correlation analysis
#[derive(Debug, Clone)]
pub struct ErrorCorrelation {
    /// First error type
    pub error_type_1: ErrorType,
    /// Second error type
    pub error_type_2: ErrorType,
    /// Correlation strength
    pub correlation_strength: f64,
    /// Correlation type
    pub correlation_type: CorrelationType,
}
/// Gate snapshot for history
#[derive(Debug, Clone)]
pub struct GateSnapshot {
    /// Snapshot timestamp
    pub timestamp: SystemTime,
    /// Gate properties
    pub properties: GateProperties,
    /// Gate execution metrics
    pub execution_metrics: GateExecutionMetrics,
}
/// Error statistics
#[derive(Debug, Clone)]
pub struct ErrorStatistics {
    /// Total errors detected
    pub total_errors: usize,
    /// Errors by type
    pub errors_by_type: HashMap<ErrorType, usize>,
    /// Errors by severity
    pub errors_by_severity: HashMap<ErrorSeverity, usize>,
    /// Error rate over time
    pub error_rate: f64,
    /// Error trends
    pub error_trends: HashMap<ErrorType, TrendDirection>,
}
/// Execution history tracking
#[derive(Debug, Clone)]
pub struct ExecutionHistory<const N: usize> {
    /// History entries
    pub entries: VecDeque<HistoryEntry<N>>,
    /// Maximum entries to keep
    pub max_entries: usize,
    /// History statistics
    pub statistics: HistoryStatistics,
}
/// Watched gate properties
#[derive(Debug, Clone)]
pub struct WatchedGate {
    /// Gate name
    pub name: String,
    /// Current gate properties
    pub current_properties: GateProperties,
    /// Property history
    pub history: VecDeque<GateSnapshot>,
    /// Watch configuration
    pub config: WatchConfig,
}
/// Debug error information
#[derive(Debug, Clone)]
pub struct DebugError {
    /// Error type
    pub error_type: ErrorType,
    /// Error severity
    pub severity: ErrorSeverity,
    /// Error message
    pub message: String,
    /// Gate index where error occurred
    pub gate_index: Option<usize>,
    /// Timestamp
    pub timestamp: SystemTime,
    /// Error context
    pub context: HashMap<String, String>,
    /// Suggested fixes
    pub suggested_fixes: Vec<String>,
}
/// State pattern for matching
#[derive(Debug, Clone)]
pub enum StatePattern {
    /// Specific amplitude pattern
    AmplitudePattern { amplitudes: Vec<Complex64> },
    /// Probability distribution pattern
    ProbabilityPattern { probabilities: Vec<f64> },
    /// Entanglement pattern
    EntanglementPattern { entanglement_measure: f64 },
    /// Custom pattern with evaluation function
    Custom { name: String, description: String },
}
/// Timing statistics
#[derive(Debug, Clone)]
pub struct TimingStatistics {
    /// Average gate execution time
    pub average_gate_time: Duration,
    /// Fastest gate execution
    pub fastest_gate: Duration,
    /// Slowest gate execution
    pub slowest_gate: Duration,
    /// Execution variance
    pub execution_variance: f64,
}
/// Prediction result
#[derive(Debug, Clone)]
pub struct PredictionResult {
    /// Predicted value
    pub predicted_value: f64,
    /// Confidence interval
    pub confidence_interval: (f64, f64),
    /// Prediction accuracy
    pub accuracy: f64,
    /// Time horizon
    pub time_horizon: Duration,
}
/// Rendering statistics
#[derive(Debug, Clone)]
pub struct RenderingStatistics {
    /// Total renders performed
    pub total_renders: usize,
    /// Average render time
    pub average_render_time: Duration,
    /// Total render time
    pub total_render_time: Duration,
    /// Render success rate
    pub success_rate: f64,
    /// Memory usage for rendering
    pub memory_usage: usize,
}
/// Rendering quality levels
#[derive(Debug, Clone)]
pub enum RenderingQuality {
    /// Low quality for fast rendering
    Low,
    /// Medium quality
    Medium,
    /// High quality
    High,
    /// Ultra high quality
    Ultra,
}
/// Visualization data
#[derive(Debug, Clone)]
pub struct Visualization<const N: usize> {
    /// Visualization type
    pub visualization_type: VisualizationType,
    /// Visualization data
    pub data: VisualizationData<N>,
    /// Rendering metadata
    pub metadata: VisualizationMetadata,
    /// Last update time
    pub last_update: SystemTime,
}
/// Error detector for quantum circuits
#[derive(Debug, Clone)]
pub struct ErrorDetector<const N: usize> {
    /// Error detection configuration
    pub config: ErrorDetectionConfig,
    /// Detected errors
    pub detected_errors: Vec<DebugError>,
    /// Error statistics
    pub error_statistics: ErrorStatistics,
    /// Error analysis results
    pub analysis_results: ErrorAnalysisResults,
}
/// Root cause analysis
#[derive(Debug, Clone)]
pub struct RootCause {
    /// Cause description
    pub description: String,
    /// Confidence in this being the root cause
    pub confidence: f64,
    /// Contributing factors
    pub contributing_factors: Vec<String>,
    /// Recommended solutions
    pub solutions: Vec<Solution>,
}
/// Error analysis results
#[derive(Debug, Clone)]
pub struct ErrorAnalysisResults {
    /// Error patterns identified
    pub error_patterns: Vec<ErrorPattern>,
    /// Root cause analysis
    pub root_causes: Vec<RootCause>,
    /// Error correlations
    pub correlations: Vec<ErrorCorrelation>,
    /// Prediction results
    pub predictions: HashMap<ErrorType, PredictionResult>,
}
/// Watch variables manager
#[derive(Debug, Clone)]
pub struct WatchManager<const N: usize> {
    /// Watched quantum states
    pub watched_states: HashMap<String, WatchedState<N>>,
    /// Watched gate properties
    pub watched_gates: HashMap<String, WatchedGate>,
    /// Watched performance metrics
    pub watched_metrics: HashMap<String, WatchedMetric>,
    /// Watch expressions
    pub watch_expressions: Vec<WatchExpression>,
}
/// Watch expression for custom monitoring
#[derive(Debug, Clone)]
pub struct WatchExpression {
    /// Expression ID
    pub id: String,
    /// Expression description
    pub description: String,
    /// Expression type
    pub expression_type: ExpressionType,
    /// Evaluation history
    pub evaluation_history: VecDeque<ExpressionResult>,
}
/// Types of optimization suggestions
#[derive(Debug, Clone)]
pub enum SuggestionType {
    /// Algorithm optimization
    Algorithm,
    /// Memory optimization
    Memory,
    /// Circuit optimization
    Circuit,
    /// Hardware optimization
    Hardware,
    /// Parallelization
    Parallelization,
}
/// Expression evaluation result value
#[derive(Debug, Clone)]
pub enum ExpressionValue {
    /// Numeric value
    Number(f64),
    /// Boolean value
    Boolean(bool),
    /// String value
    String(String),
    /// Complex number
    Complex(Complex64),
    /// Vector value
    Vector(Vec<f64>),
}
/// Metric snapshot for performance tracking
#[derive(Debug, Clone)]
pub struct MetricSnapshot {
    /// Snapshot timestamp
    pub timestamp: SystemTime,
    /// Metric value
    pub value: f64,
    /// Associated gate index
    pub gate_index: usize,
    /// Additional context
    pub context: HashMap<String, String>,
}
/// Memory snapshot
#[derive(Debug, Clone)]
pub struct MemorySnapshot {
    /// Snapshot timestamp
    pub timestamp: SystemTime,
    /// Memory usage at this point
    pub usage: usize,
    /// Associated operation
    pub operation: String,
}
/// Visualization metadata
#[derive(Debug, Clone)]
pub struct VisualizationMetadata {
    /// Creation timestamp
    pub created: SystemTime,
    /// Last modified
    pub modified: SystemTime,
    /// Visualization size
    pub size: (u32, u32),
    /// Rendering time
    pub render_time: Duration,
    /// Additional metadata
    pub metadata: HashMap<String, String>,
}
/// Gate execution result
#[derive(Debug, Clone)]
pub struct GateExecutionResult {
    /// Whether execution was successful
    pub success: bool,
    /// Execution time
    pub execution_time: Duration,
    /// Memory usage change
    pub memory_change: i64,
    /// Any errors that occurred
    pub errors: Vec<DebugError>,
}
/// Types of correlations
#[derive(Debug, Clone)]
pub enum CorrelationType {
    /// Positive correlation
    Positive,
    /// Negative correlation
    Negative,
    /// No correlation
    None,
    /// Causal relationship
    Causal,
}
/// History statistics
#[derive(Debug, Clone)]
pub struct HistoryStatistics {
    /// Total gates executed
    pub total_gates: usize,
    /// Average execution time per gate
    pub average_execution_time: Duration,
    /// Total execution time
    pub total_execution_time: Duration,
    /// Memory usage statistics
    pub memory_stats: MemoryStatistics,
    /// Error statistics
    pub error_stats: ErrorStatistics,
}
/// Types of watch expressions
#[derive(Debug, Clone)]
pub enum ExpressionType {
    /// State-based expression
    StateExpression { formula: String },
    /// Gate-based expression
    GateExpression { formula: String },
    /// Performance-based expression
    PerformanceExpression { formula: String },
    /// Custom expression
    Custom { evaluator: String },
}
/// Error detection configuration
#[derive(Debug, Clone)]
pub struct ErrorDetectionConfig {
    /// Enable automatic error detection
    pub enable_auto_detection: bool,
    /// Error detection sensitivity
    pub sensitivity: f64,
    /// Types of errors to detect
    pub error_types: HashSet<ErrorType>,
    /// Error reporting threshold
    pub reporting_threshold: f64,
    /// Maximum errors to track
    pub max_errors: usize,
}
/// Comprehensive quantum circuit debugger with `SciRS2` integration
pub struct QuantumDebugger<const N: usize> {
    /// Circuit being debugged
    circuit: Circuit<N>,
    /// Current execution state
    execution_state: Arc<RwLock<ExecutionState<N>>>,
    /// Debugger configuration
    config: DebuggerConfig,
    /// `SciRS2` analyzer for advanced analysis
    analyzer: SciRS2CircuitAnalyzer,
    /// Breakpoints manager
    pub breakpoints: Arc<RwLock<BreakpointManager>>,
    /// Watch variables manager
    watch_manager: Arc<RwLock<WatchManager<N>>>,
    /// Execution history
    execution_history: Arc<RwLock<ExecutionHistory<N>>>,
    /// Performance profiler
    profiler: Arc<RwLock<PerformanceProfiler>>,
    /// Visualization engine
    pub visualizer: Arc<RwLock<VisualizationEngine<N>>>,
    /// Error detector
    pub error_detector: Arc<RwLock<ErrorDetector<N>>>,
}
impl<const N: usize> QuantumDebugger<N> {
    /// Create a new quantum debugger
    #[must_use]
    pub fn new(circuit: Circuit<N>) -> Self {
        let config = DebuggerConfig::default();
        let analyzer = SciRS2CircuitAnalyzer::with_config(AnalyzerConfig::default());
        Self {
            circuit,
            execution_state: Arc::new(RwLock::new(ExecutionState {
                current_gate_index: 0,
                current_state: Array1::<Complex64>::zeros(1 << N),
                status: ExecutionStatus::Ready,
                gates_executed: 0,
                current_depth: 0,
                memory_usage: MemoryUsage {
                    current_usage: 0,
                    peak_usage: 0,
                    usage_history: VecDeque::new(),
                    allocation_breakdown: HashMap::new(),
                },
                timing_info: TimingInfo {
                    start_time: SystemTime::now(),
                    current_time: SystemTime::now(),
                    total_duration: Duration::new(0, 0),
                    gate_times: Vec::new(),
                    timing_stats: TimingStatistics {
                        average_gate_time: Duration::new(0, 0),
                        fastest_gate: Duration::new(0, 0),
                        slowest_gate: Duration::new(0, 0),
                        execution_variance: 0.0,
                    },
                },
            })),
            config: config.clone(),
            analyzer,
            breakpoints: Arc::new(RwLock::new(BreakpointManager {
                gate_breakpoints: HashSet::new(),
                qubit_breakpoints: HashMap::new(),
                state_breakpoints: Vec::new(),
                conditional_breakpoints: Vec::new(),
                hit_counts: HashMap::new(),
            })),
            watch_manager: Arc::new(RwLock::new(WatchManager {
                watched_states: HashMap::new(),
                watched_gates: HashMap::new(),
                watched_metrics: HashMap::new(),
                watch_expressions: Vec::new(),
            })),
            execution_history: Arc::new(RwLock::new(ExecutionHistory {
                entries: VecDeque::new(),
                max_entries: config.max_history_entries,
                statistics: HistoryStatistics {
                    total_gates: 0,
                    average_execution_time: Duration::new(0, 0),
                    total_execution_time: Duration::new(0, 0),
                    memory_stats: MemoryStatistics {
                        average_usage: 0.0,
                        peak_usage: 0,
                        efficiency_score: 1.0,
                        leak_indicators: Vec::new(),
                    },
                    error_stats: ErrorStatistics {
                        total_errors: 0,
                        errors_by_type: HashMap::new(),
                        errors_by_severity: HashMap::new(),
                        error_rate: 0.0,
                        error_trends: HashMap::new(),
                    },
                },
            })),
            profiler: Arc::new(RwLock::new(PerformanceProfiler {
                config: ProfilerConfig {
                    sample_frequency: Duration::from_millis(10),
                    max_samples: 10000,
                    tracked_metrics: HashSet::new(),
                    analysis_depth: AnalysisDepth::Standard,
                },
                samples: VecDeque::new(),
                analysis_results: PerformanceAnalysis {
                    trends: HashMap::new(),
                    bottlenecks: Vec::new(),
                    suggestions: Vec::new(),
                    predictions: HashMap::new(),
                },
                statistics: ProfilingStatistics {
                    total_samples: 0,
                    profiling_duration: Duration::new(0, 0),
                    average_sample_rate: 0.0,
                    performance_metrics: HashMap::new(),
                },
            })),
            visualizer: Arc::new(RwLock::new(VisualizationEngine {
                config: VisualizationConfig {
                    enable_realtime: true,
                    enabled_types: {
                        let mut types = HashSet::new();
                        types.insert(VisualizationType::CircuitDiagram);
                        types.insert(VisualizationType::StateVector);
                        types.insert(VisualizationType::BlochSphere);
                        types
                    },
                    update_frequency: Duration::from_millis(100),
                    rendering_quality: RenderingQuality::Medium,
                    export_options: ExportOptions {
                        formats: {
                            let mut formats = HashSet::new();
                            formats.insert(ExportFormat::PNG);
                            formats.insert(ExportFormat::JSON);
                            formats
                        },
                        default_quality: RenderingQuality::High,
                        export_directory: None,
                        auto_export: false,
                    },
                },
                current_visualizations: HashMap::new(),
                visualization_history: VecDeque::new(),
                rendering_stats: RenderingStatistics {
                    total_renders: 0,
                    average_render_time: Duration::new(0, 0),
                    total_render_time: Duration::new(0, 0),
                    success_rate: 1.0,
                    memory_usage: 0,
                },
            })),
            error_detector: Arc::new(RwLock::new(ErrorDetector {
                config: ErrorDetectionConfig {
                    enable_auto_detection: true,
                    sensitivity: 0.8,
                    error_types: {
                        let mut types = HashSet::new();
                        types.insert(ErrorType::StateVectorError);
                        types.insert(ErrorType::GateExecutionError);
                        types.insert(ErrorType::NumericalError);
                        types
                    },
                    reporting_threshold: 0.1,
                    max_errors: 1000,
                },
                detected_errors: Vec::new(),
                error_statistics: ErrorStatistics {
                    total_errors: 0,
                    errors_by_type: HashMap::new(),
                    errors_by_severity: HashMap::new(),
                    error_rate: 0.0,
                    error_trends: HashMap::new(),
                },
                analysis_results: ErrorAnalysisResults {
                    error_patterns: Vec::new(),
                    root_causes: Vec::new(),
                    correlations: Vec::new(),
                    predictions: HashMap::new(),
                },
            })),
        }
    }
    /// Create debugger with custom configuration
    #[must_use]
    pub fn with_config(circuit: Circuit<N>, config: DebuggerConfig) -> Self {
        let mut debugger = Self::new(circuit);
        debugger.config = config;
        debugger
    }
    /// Start debugging session
    pub fn start_session(&mut self) -> QuantRS2Result<()> {
        {
            let mut state = self.execution_state.write().map_err(|_| {
                QuantRS2Error::InvalidOperation(
                    "Failed to acquire execution state write lock".to_string(),
                )
            })?;
            state.status = ExecutionStatus::Running;
            state.timing_info.start_time = SystemTime::now();
        }
        self.initialize_scirs2_analysis()?;
        if self.config.enable_profiling {
            self.start_profiling()?;
        }
        if self.config.enable_auto_visualization {
            self.initialize_visualization()?;
        }
        Ok(())
    }
    /// Execute next gate with debugging
    pub fn step_next(&mut self) -> QuantRS2Result<StepResult> {
        let start_time = Instant::now();
        if self.should_break()? {
            let mut state = self.execution_state.write().map_err(|_| {
                QuantRS2Error::InvalidOperation(
                    "Failed to acquire execution state write lock".to_string(),
                )
            })?;
            state.status = ExecutionStatus::Paused;
            return Ok(StepResult::Breakpoint);
        }
        let gate_index = {
            let state = self.execution_state.read().map_err(|_| {
                QuantRS2Error::InvalidOperation(
                    "Failed to acquire execution state read lock".to_string(),
                )
            })?;
            state.current_gate_index
        };
        if gate_index >= self.circuit.gates().len() {
            let mut state = self.execution_state.write().map_err(|_| {
                QuantRS2Error::InvalidOperation(
                    "Failed to acquire execution state write lock".to_string(),
                )
            })?;
            state.status = ExecutionStatus::Completed;
            return Ok(StepResult::Completed);
        }
        self.pre_execution_analysis(gate_index)?;
        let execution_result = self.execute_gate_with_monitoring(gate_index)?;
        self.post_execution_analysis(gate_index, &execution_result)?;
        {
            let mut state = self.execution_state.write().map_err(|_| {
                QuantRS2Error::InvalidOperation(
                    "Failed to acquire execution state write lock".to_string(),
                )
            })?;
            state.current_gate_index += 1;
            state.gates_executed += 1;
            state.current_depth = self.calculate_current_depth()?;
            state.timing_info.gate_times.push(start_time.elapsed());
        }
        if self.config.enable_auto_visualization {
            self.update_visualizations()?;
        }
        Ok(StepResult::Success)
    }
    /// Run circuit until completion or breakpoint
    pub fn run(&mut self) -> QuantRS2Result<ExecutionSummary> {
        self.start_session()?;
        let mut step_count = 0;
        loop {
            match self.step_next()? {
                StepResult::Success => {
                    step_count += 1;
                }
                StepResult::Breakpoint => {
                    return Ok(ExecutionSummary {
                        status: ExecutionStatus::Paused,
                        steps_executed: step_count,
                        final_state: self.get_current_state()?,
                        execution_time: self.get_execution_time()?,
                        memory_usage: self.get_memory_usage()?,
                    });
                }
                StepResult::Completed => {
                    break;
                }
                StepResult::Error(error) => {
                    return Err(error);
                }
            }
        }
        self.finalize_execution()?;
        Ok(ExecutionSummary {
            status: ExecutionStatus::Completed,
            steps_executed: step_count,
            final_state: self.get_current_state()?,
            execution_time: self.get_execution_time()?,
            memory_usage: self.get_memory_usage()?,
        })
    }
    /// Pause execution
    pub fn pause(&mut self) -> QuantRS2Result<()> {
        let mut state = self.execution_state.write().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire execution state write lock".to_string(),
            )
        })?;
        state.status = ExecutionStatus::Paused;
        Ok(())
    }
    /// Resume execution
    pub fn resume(&mut self) -> QuantRS2Result<()> {
        let mut state = self.execution_state.write().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire execution state write lock".to_string(),
            )
        })?;
        state.status = ExecutionStatus::Running;
        Ok(())
    }
    /// Stop execution
    pub fn stop(&mut self) -> QuantRS2Result<()> {
        let mut state = self.execution_state.write().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire execution state write lock".to_string(),
            )
        })?;
        state.status = ExecutionStatus::Stopped;
        Ok(())
    }
    /// Add breakpoint at gate index
    pub fn add_gate_breakpoint(&mut self, gate_index: usize) -> QuantRS2Result<()> {
        let mut breakpoints = self.breakpoints.write().map_err(|_| {
            QuantRS2Error::InvalidOperation("Failed to acquire breakpoints write lock".to_string())
        })?;
        breakpoints.gate_breakpoints.insert(gate_index);
        Ok(())
    }
    /// Add qubit breakpoint
    pub fn add_qubit_breakpoint(
        &mut self,
        qubit: QubitId,
        condition: BreakpointCondition,
    ) -> QuantRS2Result<()> {
        let mut breakpoints = self.breakpoints.write().map_err(|_| {
            QuantRS2Error::InvalidOperation("Failed to acquire breakpoints write lock".to_string())
        })?;
        breakpoints.qubit_breakpoints.insert(qubit, condition);
        Ok(())
    }
    /// Add state breakpoint
    pub fn add_state_breakpoint(
        &mut self,
        id: String,
        pattern: StatePattern,
        tolerance: f64,
    ) -> QuantRS2Result<()> {
        let mut breakpoints = self.breakpoints.write().map_err(|_| {
            QuantRS2Error::InvalidOperation("Failed to acquire breakpoints write lock".to_string())
        })?;
        breakpoints.state_breakpoints.push(StateBreakpoint {
            id,
            target_state: pattern,
            tolerance,
            enabled: true,
        });
        Ok(())
    }
    /// Get current quantum state
    pub fn get_current_state(&self) -> QuantRS2Result<Array1<Complex64>> {
        let state = self.execution_state.read().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire execution state read lock".to_string(),
            )
        })?;
        Ok(state.current_state.clone())
    }
    /// Get execution status
    #[must_use]
    pub fn get_execution_status(&self) -> ExecutionStatus {
        let state = self
            .execution_state
            .read()
            .expect("execution state lock should not be poisoned");
        state.status.clone()
    }
    /// Get performance analysis
    pub fn get_performance_analysis(&self) -> QuantRS2Result<PerformanceAnalysis> {
        let profiler = self.profiler.read().map_err(|_| {
            QuantRS2Error::InvalidOperation("Failed to acquire profiler read lock".to_string())
        })?;
        Ok(profiler.analysis_results.clone())
    }
    /// Get error analysis
    pub fn get_error_analysis(&self) -> QuantRS2Result<ErrorAnalysisResults> {
        let detector = self.error_detector.read().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire error detector read lock".to_string(),
            )
        })?;
        Ok(detector.analysis_results.clone())
    }
    /// Export debugging session
    pub fn export_session(&self, format: ExportFormat, path: &str) -> QuantRS2Result<()> {
        match format {
            ExportFormat::JSON => self.export_json(path),
            ExportFormat::HTML => self.export_html(path),
            ExportFormat::CSV => self.export_csv(path),
            _ => Err(QuantRS2Error::InvalidOperation(
                "Unsupported export format".to_string(),
            )),
        }
    }
    fn initialize_scirs2_analysis(&self) -> QuantRS2Result<()> {
        let _graph = self.analyzer.circuit_to_scirs2_graph(&self.circuit)?;
        Ok(())
    }
    const fn start_profiling(&self) -> QuantRS2Result<()> {
        Ok(())
    }
    const fn initialize_visualization(&self) -> QuantRS2Result<()> {
        Ok(())
    }
    fn should_break(&self) -> QuantRS2Result<bool> {
        let breakpoints = self.breakpoints.read().map_err(|_| {
            QuantRS2Error::InvalidOperation("Failed to acquire breakpoints read lock".to_string())
        })?;
        let state = self.execution_state.read().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire execution state read lock".to_string(),
            )
        })?;
        if breakpoints
            .gate_breakpoints
            .contains(&state.current_gate_index)
        {
            return Ok(true);
        }
        Ok(false)
    }
    const fn pre_execution_analysis(&self, _gate_index: usize) -> QuantRS2Result<()> {
        Ok(())
    }
    const fn execute_gate_with_monitoring(
        &self,
        _gate_index: usize,
    ) -> QuantRS2Result<GateExecutionResult> {
        Ok(GateExecutionResult {
            success: true,
            execution_time: Duration::from_millis(1),
            memory_change: 0,
            errors: Vec::new(),
        })
    }
    const fn post_execution_analysis(
        &self,
        _gate_index: usize,
        _result: &GateExecutionResult,
    ) -> QuantRS2Result<()> {
        Ok(())
    }
    const fn calculate_current_depth(&self) -> QuantRS2Result<usize> {
        Ok(0)
    }
    const fn update_visualizations(&self) -> QuantRS2Result<()> {
        Ok(())
    }
    fn finalize_execution(&self) -> QuantRS2Result<()> {
        let mut state = self.execution_state.write().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire execution state write lock".to_string(),
            )
        })?;
        state.status = ExecutionStatus::Completed;
        state.timing_info.current_time = SystemTime::now();
        Ok(())
    }
    fn get_execution_time(&self) -> QuantRS2Result<Duration> {
        let state = self.execution_state.read().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire execution state read lock".to_string(),
            )
        })?;
        Ok(state.timing_info.total_duration)
    }
    fn get_memory_usage(&self) -> QuantRS2Result<MemoryUsage> {
        let state = self.execution_state.read().map_err(|_| {
            QuantRS2Error::InvalidOperation(
                "Failed to acquire execution state read lock".to_string(),
            )
        })?;
        Ok(state.memory_usage.clone())
    }
    const fn export_json(&self, _path: &str) -> QuantRS2Result<()> {
        Ok(())
    }
    const fn export_html(&self, _path: &str) -> QuantRS2Result<()> {
        Ok(())
    }
    const fn export_csv(&self, _path: &str) -> QuantRS2Result<()> {
        Ok(())
    }
}
/// Connection types
#[derive(Debug, Clone)]
pub enum ConnectionType {
    /// Control connection
    Control,
    /// Target connection
    Target,
    /// Classical connection
    Classical,
    /// Entanglement connection
    Entanglement,
}
/// Result of expression evaluation
#[derive(Debug, Clone)]
pub struct ExpressionResult {
    /// Evaluation timestamp
    pub timestamp: SystemTime,
    /// Result value
    pub value: ExpressionValue,
    /// Evaluation success
    pub success: bool,
    /// Error message if evaluation failed
    pub error_message: Option<String>,
}
/// Visualization configuration
#[derive(Debug, Clone)]
pub struct VisualizationConfig {
    /// Enable real-time visualization
    pub enable_realtime: bool,
    /// Visualization types to enable
    pub enabled_types: HashSet<VisualizationType>,
    /// Update frequency
    pub update_frequency: Duration,
    /// Rendering quality
    pub rendering_quality: RenderingQuality,
    /// Export options
    pub export_options: ExportOptions,
}
/// Debugger configuration options
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DebuggerConfig {
    /// Enable step-by-step execution
    pub enable_step_mode: bool,
    /// Enable automatic state visualization
    pub enable_auto_visualization: bool,
    /// Enable performance profiling
    pub enable_profiling: bool,
    /// Enable memory tracking
    pub enable_memory_tracking: bool,
    /// Enable error detection
    pub enable_error_detection: bool,
    /// Maximum history entries to keep
    pub max_history_entries: usize,
    /// Visualization update frequency
    pub visualization_frequency: Duration,
    /// Profiling sample rate
    pub profiling_sample_rate: f64,
    /// Memory usage threshold for warnings
    pub memory_warning_threshold: f64,
    /// Gate execution timeout
    pub gate_timeout: Duration,
}
/// Error severity levels
#[derive(Debug, Clone)]
pub enum ErrorSeverity {
    /// Low severity
    Low,
    /// Medium severity
    Medium,
    /// High severity
    High,
    /// Critical severity
    Critical,
}
/// Summary of debugging session
#[derive(Debug, Clone)]
pub struct ExecutionSummary {
    /// Final execution status
    pub status: ExecutionStatus,
    /// Number of steps executed
    pub steps_executed: usize,
    /// Final quantum state
    pub final_state: Array1<Complex64>,
    /// Total execution time
    pub execution_time: Duration,
    /// Final memory usage
    pub memory_usage: MemoryUsage,
}
/// Performance bottleneck identification
#[derive(Debug, Clone)]
pub struct PerformanceBottleneck {
    /// Bottleneck type
    pub bottleneck_type: BottleneckType,
    /// Severity score
    pub severity: f64,
    /// Description
    pub description: String,
    /// Recommended actions
    pub recommendations: Vec<String>,
    /// Impact assessment
    pub impact: ImpactAssessment,
}
/// Visualization data types
#[derive(Debug, Clone)]
pub enum VisualizationData<const N: usize> {
    /// Circuit diagram data
    CircuitData {
        gates: Vec<GateVisualization>,
        connections: Vec<ConnectionVisualization>,
        current_position: Option<usize>,
    },
    /// Bloch sphere data
    BlochData {
        qubit_states: HashMap<QubitId, BlochVector>,
        evolution_path: Vec<BlochVector>,
    },
    /// State vector data
    StateData {
        amplitudes: Array1<Complex64>,
        probabilities: Array1<f64>,
        phases: Array1<f64>,
    },
    /// Performance data
    PerformanceData {
        metrics: HashMap<String, Vec<f64>>,
        timestamps: Vec<SystemTime>,
    },
}
/// Performance profiler
#[derive(Debug, Clone)]
pub struct PerformanceProfiler {
    /// Profiling configuration
    pub config: ProfilerConfig,
    /// Performance samples
    pub samples: VecDeque<PerformanceSample>,
    /// Performance analysis results
    pub analysis_results: PerformanceAnalysis,
    /// Profiling statistics
    pub statistics: ProfilingStatistics,
}
/// Visualization engine
#[derive(Debug, Clone)]
pub struct VisualizationEngine<const N: usize> {
    /// Visualization configuration
    pub config: VisualizationConfig,
    /// Current visualizations
    pub current_visualizations: HashMap<String, Visualization<N>>,
    /// Visualization history
    pub visualization_history: VecDeque<VisualizationSnapshot<N>>,
    /// Rendering statistics
    pub rendering_stats: RenderingStatistics,
}
/// Profiler configuration
#[derive(Debug, Clone)]
pub struct ProfilerConfig {
    /// Sampling frequency
    pub sample_frequency: Duration,
    /// Maximum samples to keep
    pub max_samples: usize,
    /// Performance metrics to track
    pub tracked_metrics: HashSet<String>,
    /// Analysis depth
    pub analysis_depth: AnalysisDepth,
}
/// Performance analysis results
#[derive(Debug, Clone)]
pub struct PerformanceAnalysis {
    /// Performance trends
    pub trends: HashMap<String, TrendAnalysis>,
    /// Bottleneck identification
    pub bottlenecks: Vec<PerformanceBottleneck>,
    /// Optimization suggestions
    pub suggestions: Vec<OptimizationSuggestion>,
    /// Predictive analysis
    pub predictions: HashMap<String, PredictionResult>,
}
/// Bloch vector representation
#[derive(Debug, Clone)]
pub struct BlochVector {
    /// X component
    pub x: f64,
    /// Y component
    pub y: f64,
    /// Z component
    pub z: f64,
    /// Timestamp
    pub timestamp: SystemTime,
}
/// Optimization suggestion
#[derive(Debug, Clone)]
pub struct OptimizationSuggestion {
    /// Suggestion type
    pub suggestion_type: SuggestionType,
    /// Priority level
    pub priority: Priority,
    /// Expected improvement
    pub expected_improvement: f64,
    /// Implementation difficulty
    pub difficulty: Difficulty,
    /// Description
    pub description: String,
    /// Implementation steps
    pub implementation_steps: Vec<String>,
}
/// Watch configuration
#[derive(Debug, Clone)]
pub struct WatchConfig {
    /// Update frequency
    pub update_frequency: Duration,
    /// Maximum history entries
    pub max_history: usize,
    /// Alert thresholds
    pub alert_thresholds: HashMap<String, f64>,
    /// Auto-save snapshots
    pub auto_save: bool,
}
/// Breakpoint conditions for qubits
#[derive(Debug, Clone)]
pub enum BreakpointCondition {
    /// Break when qubit is measured
    OnMeasurement,
    /// Break when qubit entanglement exceeds threshold
    OnEntanglement { threshold: f64 },
    /// Break when qubit fidelity drops below threshold
    OnFidelityDrop { threshold: f64 },
    /// Break on any gate operation
    OnAnyGate,
    /// Break on specific gate types
    OnGateType { gate_types: Vec<String> },
}
/// Implementation difficulty
#[derive(Debug, Clone)]
pub enum Difficulty {
    /// Easy to implement
    Easy,
    /// Medium difficulty
    Medium,
    /// Hard to implement
    Hard,
    /// Very hard to implement
    VeryHard,
}