quantrs2_circuit/
scirs2_ir_tools.rs

1//! SciRS2 Intermediate Representation Tools
2//!
3//! This module provides the IR tools integration for SciRS2-enhanced cross-compilation,
4//! implementing intermediate representation, optimization passes, and code generation
5//! for multi-platform quantum computing deployment.
6
7use serde::{Deserialize, Serialize};
8use std::collections::{BTreeMap, HashMap, HashSet, VecDeque};
9use std::fmt;
10use std::sync::{Arc, Mutex, RwLock};
11use uuid::Uuid;
12
13/// SciRS2 Intermediate Representation for Quantum Circuits
14#[derive(Debug, Clone, Serialize, Deserialize)]
15pub struct IntermediateRepresentation {
16    /// IR module identifier
17    pub id: Uuid,
18    /// Module name
19    pub name: String,
20    /// Version information
21    pub version: String,
22    /// IR instructions
23    pub instructions: Vec<IRInstruction>,
24    /// Symbol table
25    pub symbols: SymbolTable,
26    /// Metadata
27    pub metadata: IRMetadata,
28    /// Control flow graph
29    pub control_flow: ControlFlowGraph,
30    /// Data dependencies
31    pub data_dependencies: DependencyGraph,
32}
33
34/// IR instruction types
35#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
36pub enum IRInstruction {
37    /// Quantum gate operation
38    Gate {
39        opcode: GateOpcode,
40        operands: Vec<Operand>,
41        metadata: InstructionMetadata,
42    },
43    /// Memory operation
44    Memory {
45        operation: MemoryOperation,
46        address: Operand,
47        value: Option<Operand>,
48        metadata: InstructionMetadata,
49    },
50    /// Control flow
51    Control {
52        operation: ControlOperation,
53        condition: Option<Operand>,
54        target: Option<String>,
55        metadata: InstructionMetadata,
56    },
57    /// Function call
58    Call {
59        function: String,
60        arguments: Vec<Operand>,
61        return_value: Option<Operand>,
62        metadata: InstructionMetadata,
63    },
64    /// Parallel region
65    Parallel {
66        instructions: Vec<IRInstruction>,
67        synchronization: SynchronizationType,
68        metadata: InstructionMetadata,
69    },
70}
71
72/// Gate opcodes in IR
73#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
74pub enum GateOpcode {
75    // Single-qubit gates
76    I,
77    X,
78    Y,
79    Z,
80    H,
81    S,
82    T,
83    RX,
84    RY,
85    RZ,
86    U1,
87    U2,
88    U3,
89    // Two-qubit gates
90    CX,
91    CY,
92    CZ,
93    CH,
94    SWAP,
95    ISWAP,
96    RXX,
97    RYY,
98    RZZ,
99    // Multi-qubit gates
100    CCX,
101    CSWAP,
102    MCX,
103    MCY,
104    MCZ,
105    // Custom gates
106    Custom(String),
107}
108
109/// IR operands
110#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
111pub enum Operand {
112    /// Quantum register
113    QuantumRegister(String, usize),
114    /// Classical register
115    ClassicalRegister(String, usize),
116    /// Immediate value
117    Immediate(ImmediateValue),
118    /// Memory reference
119    Memory(String, usize),
120    /// Symbolic reference
121    Symbol(String),
122}
123
124/// Immediate values
125#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
126pub enum ImmediateValue {
127    Float(f64),
128    Integer(i64),
129    Boolean(bool),
130    Complex(f64, f64),
131}
132
133/// Memory operations
134#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
135pub enum MemoryOperation {
136    Load,
137    Store,
138    Alloc,
139    Free,
140    Barrier,
141}
142
143/// Control operations
144#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
145pub enum ControlOperation {
146    Branch,
147    Jump,
148    Call,
149    Return,
150    Loop,
151    Break,
152    Continue,
153}
154
155/// Synchronization types for parallel regions
156#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
157pub enum SynchronizationType {
158    None,
159    Barrier,
160    Critical,
161    Atomic,
162    Reduction,
163}
164
165/// Instruction metadata
166#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize)]
167pub struct InstructionMetadata {
168    /// Instruction ID
169    pub id: Option<Uuid>,
170    /// Source location
171    pub source_location: Option<SourceLocation>,
172    /// Optimization hints
173    pub optimization_hints: OptimizationHints,
174    /// Performance annotations
175    pub performance_annotations: Vec<PerformanceAnnotation>,
176    /// Target-specific data
177    pub target_data: HashMap<String, String>,
178}
179
180/// Source location information
181#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
182pub struct SourceLocation {
183    pub file: String,
184    pub line: u32,
185    pub column: u32,
186}
187
188/// Optimization hints
189#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize)]
190pub struct OptimizationHints {
191    /// Can be parallelized
192    pub parallelizable: bool,
193    /// Memory access pattern
194    pub memory_pattern: String,
195    /// Expected frequency
196    pub frequency: Option<f64>,
197    /// Dependencies
198    pub dependencies: Vec<String>,
199}
200
201/// Performance annotations
202#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
203pub struct PerformanceAnnotation {
204    pub annotation_type: String,
205    pub value: String,
206    pub confidence: f64,
207}
208
209/// Symbol table for IR
210#[derive(Debug, Clone, Default, Serialize, Deserialize)]
211pub struct SymbolTable {
212    /// Symbols map
213    pub symbols: HashMap<String, Symbol>,
214    /// Scopes
215    pub scopes: Vec<Scope>,
216}
217
218/// Symbol definition
219#[derive(Debug, Clone, Serialize, Deserialize)]
220pub struct Symbol {
221    /// Symbol name
222    pub name: String,
223    /// Symbol type
224    pub symbol_type: SymbolType,
225    /// Storage location
226    pub storage: StorageLocation,
227    /// Scope level
228    pub scope: usize,
229    /// Attributes
230    pub attributes: HashMap<String, String>,
231}
232
233/// Symbol types
234#[derive(Debug, Clone, Serialize, Deserialize)]
235pub enum SymbolType {
236    QuantumRegister(usize),
237    ClassicalRegister(usize),
238    Function(FunctionSignature),
239    Constant(ImmediateValue),
240    Label,
241}
242
243/// Function signature
244#[derive(Debug, Clone, Serialize, Deserialize)]
245pub struct FunctionSignature {
246    pub parameters: Vec<ParameterType>,
247    pub return_type: Option<ParameterType>,
248}
249
250/// Parameter types
251#[derive(Debug, Clone, Serialize, Deserialize)]
252pub enum ParameterType {
253    Qubit,
254    Classical,
255    Real,
256    Integer,
257    Boolean,
258    Array(Box<ParameterType>, usize),
259}
260
261/// Storage locations
262#[derive(Debug, Clone, Serialize, Deserialize)]
263pub enum StorageLocation {
264    Register(usize),
265    Memory(usize),
266    Stack(isize),
267    Global(String),
268}
269
270/// Scope information
271#[derive(Debug, Clone, Serialize, Deserialize)]
272pub struct Scope {
273    pub level: usize,
274    pub parent: Option<usize>,
275    pub symbols: HashSet<String>,
276}
277
278/// IR metadata
279#[derive(Debug, Clone, Serialize, Deserialize)]
280pub struct IRMetadata {
281    /// Creation timestamp
282    pub created: std::time::SystemTime,
283    /// Compilation flags
284    pub compilation_flags: Vec<String>,
285    /// Target platforms
286    pub targets: HashSet<String>,
287    /// Optimization level
288    pub optimization_level: OptimizationLevel,
289    /// Debug information
290    pub debug_info: DebugInfo,
291}
292
293impl Default for IRMetadata {
294    fn default() -> Self {
295        Self {
296            created: std::time::SystemTime::now(),
297            compilation_flags: Vec::new(),
298            targets: HashSet::new(),
299            optimization_level: OptimizationLevel::default(),
300            debug_info: DebugInfo::default(),
301        }
302    }
303}
304
305/// Optimization levels
306#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
307pub enum OptimizationLevel {
308    None,
309    Debug,
310    Release,
311    Aggressive,
312    Size,
313}
314
315impl Default for OptimizationLevel {
316    fn default() -> Self {
317        OptimizationLevel::Release
318    }
319}
320
321/// Debug information
322#[derive(Debug, Clone, Default, Serialize, Deserialize)]
323pub struct DebugInfo {
324    pub source_files: Vec<String>,
325    pub line_info: HashMap<Uuid, u32>,
326    pub variable_info: HashMap<String, VariableInfo>,
327}
328
329/// Variable debug information
330#[derive(Debug, Clone, Serialize, Deserialize)]
331pub struct VariableInfo {
332    pub name: String,
333    pub var_type: String,
334    pub scope_start: u32,
335    pub scope_end: u32,
336}
337
338/// Control flow graph
339#[derive(Debug, Clone, Default, Serialize, Deserialize)]
340pub struct ControlFlowGraph {
341    /// Basic blocks
342    pub blocks: HashMap<String, BasicBlock>,
343    /// Entry block
344    pub entry: Option<String>,
345    /// Exit blocks
346    pub exits: HashSet<String>,
347    /// Edges between blocks
348    pub edges: HashMap<String, Vec<String>>,
349}
350
351/// Basic block in control flow graph
352#[derive(Debug, Clone, Serialize, Deserialize)]
353pub struct BasicBlock {
354    /// Block label
355    pub label: String,
356    /// Instructions in block
357    pub instructions: Vec<usize>, // Indices into IR instructions
358    /// Predecessors
359    pub predecessors: HashSet<String>,
360    /// Successors
361    pub successors: HashSet<String>,
362}
363
364/// Data dependency graph
365#[derive(Debug, Clone, Default, Serialize, Deserialize)]
366pub struct DependencyGraph {
367    /// Dependencies between instructions
368    pub dependencies: HashMap<usize, HashSet<usize>>,
369    /// Reverse dependencies
370    pub reverse_dependencies: HashMap<usize, HashSet<usize>>,
371    /// Critical path
372    pub critical_path: Vec<usize>,
373}
374
375/// IR Builder for constructing IR
376pub struct IRBuilder {
377    /// Current IR being built
378    ir: IntermediateRepresentation,
379    /// Current instruction index
380    current_instruction: usize,
381    /// Current scope
382    current_scope: usize,
383    /// Label counter
384    label_counter: usize,
385}
386
387impl IRBuilder {
388    /// Create new IR builder
389    pub fn new(name: String) -> Self {
390        let mut symbol_table = SymbolTable::default();
391        symbol_table.scopes.push(Scope {
392            level: 0,
393            parent: None,
394            symbols: HashSet::new(),
395        });
396
397        Self {
398            ir: IntermediateRepresentation {
399                id: Uuid::new_v4(),
400                name,
401                version: "1.0.0".to_string(),
402                instructions: Vec::new(),
403                symbols: symbol_table,
404                metadata: IRMetadata::default(),
405                control_flow: ControlFlowGraph::default(),
406                data_dependencies: DependencyGraph::default(),
407            },
408            current_instruction: 0,
409            current_scope: 0,
410            label_counter: 0,
411        }
412    }
413
414    /// Add gate instruction
415    pub fn add_gate(&mut self, opcode: GateOpcode, operands: Vec<Operand>) -> usize {
416        let instruction = IRInstruction::Gate {
417            opcode,
418            operands,
419            metadata: InstructionMetadata {
420                id: Some(Uuid::new_v4()),
421                ..Default::default()
422            },
423        };
424
425        self.ir.instructions.push(instruction);
426        let index = self.ir.instructions.len() - 1;
427        self.current_instruction = index;
428        index
429    }
430
431    /// Add memory instruction
432    pub fn add_memory(
433        &mut self,
434        operation: MemoryOperation,
435        address: Operand,
436        value: Option<Operand>,
437    ) -> usize {
438        let instruction = IRInstruction::Memory {
439            operation,
440            address,
441            value,
442            metadata: InstructionMetadata {
443                id: Some(Uuid::new_v4()),
444                ..Default::default()
445            },
446        };
447
448        self.ir.instructions.push(instruction);
449        let index = self.ir.instructions.len() - 1;
450        self.current_instruction = index;
451        index
452    }
453
454    /// Add control instruction
455    pub fn add_control(
456        &mut self,
457        operation: ControlOperation,
458        condition: Option<Operand>,
459        target: Option<String>,
460    ) -> usize {
461        let instruction = IRInstruction::Control {
462            operation,
463            condition,
464            target,
465            metadata: InstructionMetadata {
466                id: Some(Uuid::new_v4()),
467                ..Default::default()
468            },
469        };
470
471        self.ir.instructions.push(instruction);
472        let index = self.ir.instructions.len() - 1;
473        self.current_instruction = index;
474        index
475    }
476
477    /// Add parallel region
478    pub fn add_parallel(
479        &mut self,
480        instructions: Vec<IRInstruction>,
481        sync: SynchronizationType,
482    ) -> usize {
483        let instruction = IRInstruction::Parallel {
484            instructions,
485            synchronization: sync,
486            metadata: InstructionMetadata {
487                id: Some(Uuid::new_v4()),
488                ..Default::default()
489            },
490        };
491
492        self.ir.instructions.push(instruction);
493        let index = self.ir.instructions.len() - 1;
494        self.current_instruction = index;
495        index
496    }
497
498    /// Define symbol
499    pub fn define_symbol(
500        &mut self,
501        name: String,
502        symbol_type: SymbolType,
503        storage: StorageLocation,
504    ) {
505        let symbol = Symbol {
506            name: name.clone(),
507            symbol_type,
508            storage,
509            scope: self.current_scope,
510            attributes: HashMap::new(),
511        };
512
513        self.ir.symbols.symbols.insert(name.clone(), symbol);
514        if let Some(scope) = self.ir.symbols.scopes.get_mut(self.current_scope) {
515            scope.symbols.insert(name);
516        }
517    }
518
519    /// Generate unique label
520    pub fn generate_label(&mut self) -> String {
521        let label = format!("L{}", self.label_counter);
522        self.label_counter += 1;
523        label
524    }
525
526    /// Enter new scope
527    pub fn enter_scope(&mut self) -> usize {
528        let new_level = self.ir.symbols.scopes.len();
529        let scope = Scope {
530            level: new_level,
531            parent: Some(self.current_scope),
532            symbols: HashSet::new(),
533        };
534
535        self.ir.symbols.scopes.push(scope);
536        self.current_scope = new_level;
537        new_level
538    }
539
540    /// Exit current scope
541    pub fn exit_scope(&mut self) {
542        if let Some(scope) = self.ir.symbols.scopes.get(self.current_scope) {
543            if let Some(parent) = scope.parent {
544                self.current_scope = parent;
545            }
546        }
547    }
548
549    /// Build final IR
550    pub fn build(mut self) -> IntermediateRepresentation {
551        self.analyze_control_flow();
552        self.analyze_dependencies();
553        self.ir
554    }
555
556    /// Analyze control flow
557    fn analyze_control_flow(&mut self) {
558        // Build control flow graph
559        let mut current_block = "entry".to_string();
560        let mut block_instructions = Vec::new();
561
562        for (i, instruction) in self.ir.instructions.iter().enumerate() {
563            match instruction {
564                IRInstruction::Control {
565                    operation, target, ..
566                } => {
567                    // Finalize current block
568                    if !block_instructions.is_empty() {
569                        let block = BasicBlock {
570                            label: current_block.clone(),
571                            instructions: block_instructions.clone(),
572                            predecessors: HashSet::new(),
573                            successors: HashSet::new(),
574                        };
575                        self.ir
576                            .control_flow
577                            .blocks
578                            .insert(current_block.clone(), block);
579                        block_instructions.clear();
580                    }
581
582                    // Handle control flow
583                    match operation {
584                        ControlOperation::Branch | ControlOperation::Jump => {
585                            if let Some(target_label) = target {
586                                // Add edge
587                                self.ir
588                                    .control_flow
589                                    .edges
590                                    .entry(current_block.clone())
591                                    .or_insert_with(Vec::new)
592                                    .push(target_label.clone());
593
594                                current_block = target_label.clone();
595                            }
596                        }
597                        _ => {}
598                    }
599                }
600                _ => {
601                    block_instructions.push(i);
602                }
603            }
604        }
605
606        // Finalize last block
607        if !block_instructions.is_empty() {
608            let block = BasicBlock {
609                label: current_block.clone(),
610                instructions: block_instructions,
611                predecessors: HashSet::new(),
612                successors: HashSet::new(),
613            };
614            self.ir.control_flow.blocks.insert(current_block, block);
615        }
616
617        // Set entry block
618        if !self.ir.control_flow.blocks.is_empty() {
619            self.ir.control_flow.entry = Some("entry".to_string());
620        }
621    }
622
623    /// Analyze data dependencies
624    fn analyze_dependencies(&mut self) {
625        // Simple dependency analysis
626        for (i, instruction) in self.ir.instructions.iter().enumerate() {
627            // Analyze instruction dependencies based on operands
628            match instruction {
629                IRInstruction::Gate { operands, .. } => {
630                    for operand in operands {
631                        // Find instructions that define this operand
632                        for (j, other_instruction) in
633                            self.ir.instructions.iter().enumerate().take(i)
634                        {
635                            if self.instruction_defines_operand(other_instruction, operand) {
636                                self.ir
637                                    .data_dependencies
638                                    .dependencies
639                                    .entry(i)
640                                    .or_insert_with(HashSet::new)
641                                    .insert(j);
642
643                                self.ir
644                                    .data_dependencies
645                                    .reverse_dependencies
646                                    .entry(j)
647                                    .or_insert_with(HashSet::new)
648                                    .insert(i);
649                            }
650                        }
651                    }
652                }
653                _ => {}
654            }
655        }
656    }
657
658    /// Check if instruction defines operand
659    fn instruction_defines_operand(&self, instruction: &IRInstruction, operand: &Operand) -> bool {
660        // Simplified check - would be more sophisticated in practice
661        match (instruction, operand) {
662            (
663                IRInstruction::Memory {
664                    operation: MemoryOperation::Store,
665                    address,
666                    ..
667                },
668                target,
669            ) => address == target,
670            _ => false,
671        }
672    }
673}
674
675/// IR Optimizer for optimization passes
676pub struct IROptimizer {
677    /// Available optimization passes
678    passes: Vec<Box<dyn IRTransform>>,
679    /// Optimization statistics
680    stats: OptimizationStats,
681}
682
683/// Optimization statistics
684#[derive(Debug, Clone, Default)]
685pub struct OptimizationStats {
686    pub passes_applied: u32,
687    pub instructions_eliminated: u32,
688    pub instructions_modified: u32,
689    pub optimization_time: std::time::Duration,
690}
691
692impl IROptimizer {
693    /// Create new optimizer
694    pub fn new() -> Self {
695        Self {
696            passes: Vec::new(),
697            stats: OptimizationStats::default(),
698        }
699    }
700
701    /// Add optimization pass
702    pub fn add_pass(&mut self, pass: Box<dyn IRTransform>) {
703        self.passes.push(pass);
704    }
705
706    /// Run optimization passes
707    pub fn optimize(
708        &mut self,
709        ir: &mut IntermediateRepresentation,
710        level: OptimizationLevel,
711    ) -> Result<(), IRError> {
712        let start_time = std::time::Instant::now();
713        let initial_instruction_count = ir.instructions.len();
714
715        for pass in &mut self.passes {
716            if pass.should_run(level) {
717                pass.transform(ir)?;
718                self.stats.passes_applied += 1;
719            }
720        }
721
722        let final_instruction_count = ir.instructions.len();
723        self.stats.instructions_eliminated +=
724            (initial_instruction_count as i32 - final_instruction_count as i32).max(0) as u32;
725        self.stats.optimization_time = start_time.elapsed();
726
727        Ok(())
728    }
729
730    /// Get optimization statistics
731    pub fn get_stats(&self) -> &OptimizationStats {
732        &self.stats
733    }
734}
735
736impl Default for IROptimizer {
737    fn default() -> Self {
738        Self::new()
739    }
740}
741
742/// IR transformation trait
743pub trait IRTransform: Send + Sync {
744    /// Apply transformation to IR
745    fn transform(&mut self, ir: &mut IntermediateRepresentation) -> Result<(), IRError>;
746
747    /// Check if pass should run at given optimization level
748    fn should_run(&self, level: OptimizationLevel) -> bool;
749
750    /// Get pass name
751    fn name(&self) -> &str;
752}
753
754/// IR validation
755pub struct IRValidator {
756    /// Validation rules
757    rules: Vec<Box<dyn ValidationRule>>,
758}
759
760impl IRValidator {
761    /// Create new validator
762    pub fn new() -> Self {
763        Self { rules: Vec::new() }
764    }
765
766    /// Add validation rule
767    pub fn add_rule(&mut self, rule: Box<dyn ValidationRule>) {
768        self.rules.push(rule);
769    }
770
771    /// Validate IR
772    pub fn validate(&self, ir: &IntermediateRepresentation) -> Result<ValidationReport, IRError> {
773        let mut report = ValidationReport::default();
774
775        for rule in &self.rules {
776            let rule_result = rule.validate(ir);
777            report.merge(rule_result);
778        }
779
780        Ok(report)
781    }
782}
783
784impl Default for IRValidator {
785    fn default() -> Self {
786        Self::new()
787    }
788}
789
790/// Validation rule trait
791pub trait ValidationRule: Send + Sync {
792    /// Validate IR against this rule
793    fn validate(&self, ir: &IntermediateRepresentation) -> ValidationReport;
794
795    /// Get rule name
796    fn name(&self) -> &str;
797}
798
799/// Validation report
800#[derive(Debug, Clone, Default)]
801pub struct ValidationReport {
802    pub errors: Vec<ValidationError>,
803    pub warnings: Vec<ValidationWarning>,
804    pub passed: bool,
805}
806
807impl ValidationReport {
808    /// Merge another report
809    pub fn merge(&mut self, other: ValidationReport) {
810        self.errors.extend(other.errors);
811        self.warnings.extend(other.warnings);
812        self.passed = self.passed && other.passed && self.errors.is_empty();
813    }
814}
815
816/// Validation error
817#[derive(Debug, Clone)]
818pub struct ValidationError {
819    pub message: String,
820    pub location: Option<Uuid>,
821    pub severity: ErrorSeverity,
822}
823
824/// Validation warning
825#[derive(Debug, Clone)]
826pub struct ValidationWarning {
827    pub message: String,
828    pub location: Option<Uuid>,
829}
830
831/// Error severity
832#[derive(Debug, Clone, Copy, PartialEq, Eq)]
833pub enum ErrorSeverity {
834    Low,
835    Medium,
836    High,
837    Critical,
838}
839
840/// Compilation pass trait
841pub trait CompilationPass: Send + Sync {
842    /// Run compilation pass
843    fn run(&mut self, ir: &mut IntermediateRepresentation) -> Result<(), IRError>;
844
845    /// Get pass dependencies
846    fn dependencies(&self) -> Vec<String>;
847
848    /// Get pass name
849    fn name(&self) -> &str;
850}
851
852/// Target code generator
853pub trait TargetGenerator: Send + Sync {
854    /// Generate code for target
855    fn generate(&self, ir: &IntermediateRepresentation) -> Result<GeneratedCode, IRError>;
856
857    /// Get target name
858    fn target_name(&self) -> &str;
859
860    /// Get supported features
861    fn supported_features(&self) -> Vec<String>;
862}
863
864/// Generated code
865#[derive(Debug, Clone)]
866pub struct GeneratedCode {
867    pub language: String,
868    pub code: String,
869    pub metadata: CodeGenerationMetadata,
870}
871
872/// Code generation metadata
873#[derive(Debug, Clone)]
874pub struct CodeGenerationMetadata {
875    pub generated_at: std::time::SystemTime,
876    pub generator_version: String,
877    pub target_features: Vec<String>,
878    pub optimization_level: OptimizationLevel,
879}
880
881impl Default for CodeGenerationMetadata {
882    fn default() -> Self {
883        Self {
884            generated_at: std::time::SystemTime::now(),
885            generator_version: String::new(),
886            target_features: Vec::new(),
887            optimization_level: OptimizationLevel::default(),
888        }
889    }
890}
891
892/// Code emitter for output
893pub trait CodeEmitter: Send + Sync {
894    /// Emit generated code
895    fn emit(&self, code: &GeneratedCode, output_path: &str) -> Result<(), IRError>;
896
897    /// Get supported output formats
898    fn supported_formats(&self) -> Vec<String>;
899}
900
901/// IR error types
902#[derive(Debug, Clone)]
903pub enum IRError {
904    InvalidInstruction(String),
905    UndefinedSymbol(String),
906    InvalidOperand(String),
907    OptimizationFailed(String),
908    ValidationFailed(String),
909    CodeGenerationFailed(String),
910    InternalError(String),
911}
912
913impl fmt::Display for IRError {
914    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
915        match self {
916            IRError::InvalidInstruction(msg) => write!(f, "Invalid instruction: {}", msg),
917            IRError::UndefinedSymbol(symbol) => write!(f, "Undefined symbol: {}", symbol),
918            IRError::InvalidOperand(msg) => write!(f, "Invalid operand: {}", msg),
919            IRError::OptimizationFailed(msg) => write!(f, "Optimization failed: {}", msg),
920            IRError::ValidationFailed(msg) => write!(f, "Validation failed: {}", msg),
921            IRError::CodeGenerationFailed(msg) => write!(f, "Code generation failed: {}", msg),
922            IRError::InternalError(msg) => write!(f, "Internal error: {}", msg),
923        }
924    }
925}
926
927impl std::error::Error for IRError {}
928
929#[cfg(test)]
930mod tests {
931    use super::*;
932
933    #[test]
934    fn test_ir_builder() {
935        let mut builder = IRBuilder::new("test_module".to_string());
936
937        // Add some instructions
938        builder.add_gate(
939            GateOpcode::H,
940            vec![Operand::QuantumRegister("q".to_string(), 0)],
941        );
942
943        builder.add_gate(
944            GateOpcode::CX,
945            vec![
946                Operand::QuantumRegister("q".to_string(), 0),
947                Operand::QuantumRegister("q".to_string(), 1),
948            ],
949        );
950
951        let ir = builder.build();
952        assert_eq!(ir.instructions.len(), 2);
953        assert_eq!(ir.name, "test_module");
954    }
955
956    #[test]
957    fn test_symbol_table() {
958        let mut builder = IRBuilder::new("test".to_string());
959
960        builder.define_symbol(
961            "q".to_string(),
962            SymbolType::QuantumRegister(2),
963            StorageLocation::Register(0),
964        );
965
966        let ir = builder.build();
967        assert!(ir.symbols.symbols.contains_key("q"));
968    }
969
970    #[test]
971    fn test_ir_optimizer() {
972        let mut optimizer = IROptimizer::new();
973        let mut ir = IRBuilder::new("test".to_string()).build();
974
975        let result = optimizer.optimize(&mut ir, OptimizationLevel::Release);
976        assert!(result.is_ok());
977    }
978
979    #[test]
980    fn test_ir_validator() {
981        let validator = IRValidator::new();
982        let ir = IRBuilder::new("test".to_string()).build();
983
984        let result = validator.validate(&ir);
985        assert!(result.is_ok());
986    }
987}
quantrs2_circuit/scirs2_ir_tools.rs

quantrs2_circuit/
scirs2_ir_tools.rs
