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<Self>,
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, Eq, 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<Self>, 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, Default)]
307pub enum OptimizationLevel {
308    None,
309    Debug,
310    #[default]
311    Release,
312    Aggressive,
313    Size,
314}
315
316/// Debug information
317#[derive(Debug, Clone, Default, Serialize, Deserialize)]
318pub struct DebugInfo {
319    pub source_files: Vec<String>,
320    pub line_info: HashMap<Uuid, u32>,
321    pub variable_info: HashMap<String, VariableInfo>,
322}
323
324/// Variable debug information
325#[derive(Debug, Clone, Serialize, Deserialize)]
326pub struct VariableInfo {
327    pub name: String,
328    pub var_type: String,
329    pub scope_start: u32,
330    pub scope_end: u32,
331}
332
333/// Control flow graph
334#[derive(Debug, Clone, Default, Serialize, Deserialize)]
335pub struct ControlFlowGraph {
336    /// Basic blocks
337    pub blocks: HashMap<String, BasicBlock>,
338    /// Entry block
339    pub entry: Option<String>,
340    /// Exit blocks
341    pub exits: HashSet<String>,
342    /// Edges between blocks
343    pub edges: HashMap<String, Vec<String>>,
344}
345
346/// Basic block in control flow graph
347#[derive(Debug, Clone, Serialize, Deserialize)]
348pub struct BasicBlock {
349    /// Block label
350    pub label: String,
351    /// Instructions in block
352    pub instructions: Vec<usize>, // Indices into IR instructions
353    /// Predecessors
354    pub predecessors: HashSet<String>,
355    /// Successors
356    pub successors: HashSet<String>,
357}
358
359/// Data dependency graph
360#[derive(Debug, Clone, Default, Serialize, Deserialize)]
361pub struct DependencyGraph {
362    /// Dependencies between instructions
363    pub dependencies: HashMap<usize, HashSet<usize>>,
364    /// Reverse dependencies
365    pub reverse_dependencies: HashMap<usize, HashSet<usize>>,
366    /// Critical path
367    pub critical_path: Vec<usize>,
368}
369
370/// IR Builder for constructing IR
371pub struct IRBuilder {
372    /// Current IR being built
373    ir: IntermediateRepresentation,
374    /// Current instruction index
375    current_instruction: usize,
376    /// Current scope
377    current_scope: usize,
378    /// Label counter
379    label_counter: usize,
380}
381
382impl IRBuilder {
383    /// Create new IR builder
384    #[must_use]
385    pub fn new(name: String) -> Self {
386        let mut symbol_table = SymbolTable::default();
387        symbol_table.scopes.push(Scope {
388            level: 0,
389            parent: None,
390            symbols: HashSet::new(),
391        });
392
393        Self {
394            ir: IntermediateRepresentation {
395                id: Uuid::new_v4(),
396                name,
397                version: "1.0.0".to_string(),
398                instructions: Vec::new(),
399                symbols: symbol_table,
400                metadata: IRMetadata::default(),
401                control_flow: ControlFlowGraph::default(),
402                data_dependencies: DependencyGraph::default(),
403            },
404            current_instruction: 0,
405            current_scope: 0,
406            label_counter: 0,
407        }
408    }
409
410    /// Add gate instruction
411    pub fn add_gate(&mut self, opcode: GateOpcode, operands: Vec<Operand>) -> usize {
412        let instruction = IRInstruction::Gate {
413            opcode,
414            operands,
415            metadata: InstructionMetadata {
416                id: Some(Uuid::new_v4()),
417                ..Default::default()
418            },
419        };
420
421        self.ir.instructions.push(instruction);
422        let index = self.ir.instructions.len() - 1;
423        self.current_instruction = index;
424        index
425    }
426
427    /// Add memory instruction
428    pub fn add_memory(
429        &mut self,
430        operation: MemoryOperation,
431        address: Operand,
432        value: Option<Operand>,
433    ) -> usize {
434        let instruction = IRInstruction::Memory {
435            operation,
436            address,
437            value,
438            metadata: InstructionMetadata {
439                id: Some(Uuid::new_v4()),
440                ..Default::default()
441            },
442        };
443
444        self.ir.instructions.push(instruction);
445        let index = self.ir.instructions.len() - 1;
446        self.current_instruction = index;
447        index
448    }
449
450    /// Add control instruction
451    pub fn add_control(
452        &mut self,
453        operation: ControlOperation,
454        condition: Option<Operand>,
455        target: Option<String>,
456    ) -> usize {
457        let instruction = IRInstruction::Control {
458            operation,
459            condition,
460            target,
461            metadata: InstructionMetadata {
462                id: Some(Uuid::new_v4()),
463                ..Default::default()
464            },
465        };
466
467        self.ir.instructions.push(instruction);
468        let index = self.ir.instructions.len() - 1;
469        self.current_instruction = index;
470        index
471    }
472
473    /// Add parallel region
474    pub fn add_parallel(
475        &mut self,
476        instructions: Vec<IRInstruction>,
477        sync: SynchronizationType,
478    ) -> usize {
479        let instruction = IRInstruction::Parallel {
480            instructions,
481            synchronization: sync,
482            metadata: InstructionMetadata {
483                id: Some(Uuid::new_v4()),
484                ..Default::default()
485            },
486        };
487
488        self.ir.instructions.push(instruction);
489        let index = self.ir.instructions.len() - 1;
490        self.current_instruction = index;
491        index
492    }
493
494    /// Define symbol
495    pub fn define_symbol(
496        &mut self,
497        name: String,
498        symbol_type: SymbolType,
499        storage: StorageLocation,
500    ) {
501        let symbol = Symbol {
502            name: name.clone(),
503            symbol_type,
504            storage,
505            scope: self.current_scope,
506            attributes: HashMap::new(),
507        };
508
509        self.ir.symbols.symbols.insert(name.clone(), symbol);
510        if let Some(scope) = self.ir.symbols.scopes.get_mut(self.current_scope) {
511            scope.symbols.insert(name);
512        }
513    }
514
515    /// Generate unique label
516    pub fn generate_label(&mut self) -> String {
517        let label = format!("L{}", self.label_counter);
518        self.label_counter += 1;
519        label
520    }
521
522    /// Enter new scope
523    pub fn enter_scope(&mut self) -> usize {
524        let new_level = self.ir.symbols.scopes.len();
525        let scope = Scope {
526            level: new_level,
527            parent: Some(self.current_scope),
528            symbols: HashSet::new(),
529        };
530
531        self.ir.symbols.scopes.push(scope);
532        self.current_scope = new_level;
533        new_level
534    }
535
536    /// Exit current scope
537    pub fn exit_scope(&mut self) {
538        if let Some(scope) = self.ir.symbols.scopes.get(self.current_scope) {
539            if let Some(parent) = scope.parent {
540                self.current_scope = parent;
541            }
542        }
543    }
544
545    /// Build final IR
546    #[must_use]
547    pub fn build(mut self) -> IntermediateRepresentation {
548        self.analyze_control_flow();
549        self.analyze_dependencies();
550        self.ir
551    }
552
553    /// Analyze control flow
554    fn analyze_control_flow(&mut self) {
555        // Build control flow graph
556        let mut current_block = "entry".to_string();
557        let mut block_instructions = Vec::new();
558
559        for (i, instruction) in self.ir.instructions.iter().enumerate() {
560            match instruction {
561                IRInstruction::Control {
562                    operation, target, ..
563                } => {
564                    // Finalize current block
565                    if !block_instructions.is_empty() {
566                        let block = BasicBlock {
567                            label: current_block.clone(),
568                            instructions: block_instructions.clone(),
569                            predecessors: HashSet::new(),
570                            successors: HashSet::new(),
571                        };
572                        self.ir
573                            .control_flow
574                            .blocks
575                            .insert(current_block.clone(), block);
576                        block_instructions.clear();
577                    }
578
579                    // Handle control flow
580                    match operation {
581                        ControlOperation::Branch | ControlOperation::Jump => {
582                            if let Some(target_label) = target {
583                                // Add edge
584                                self.ir
585                                    .control_flow
586                                    .edges
587                                    .entry(current_block.clone())
588                                    .or_default()
589                                    .push(target_label.clone());
590
591                                current_block.clone_from(target_label);
592                            }
593                        }
594                        _ => {}
595                    }
596                }
597                _ => {
598                    block_instructions.push(i);
599                }
600            }
601        }
602
603        // Finalize last block
604        if !block_instructions.is_empty() {
605            let block = BasicBlock {
606                label: current_block.clone(),
607                instructions: block_instructions,
608                predecessors: HashSet::new(),
609                successors: HashSet::new(),
610            };
611            self.ir.control_flow.blocks.insert(current_block, block);
612        }
613
614        // Set entry block
615        if !self.ir.control_flow.blocks.is_empty() {
616            self.ir.control_flow.entry = Some("entry".to_string());
617        }
618    }
619
620    /// Analyze data dependencies
621    fn analyze_dependencies(&mut self) {
622        // Simple dependency analysis
623        for (i, instruction) in self.ir.instructions.iter().enumerate() {
624            // Analyze instruction dependencies based on operands
625            if let IRInstruction::Gate { operands, .. } = instruction {
626                for operand in operands {
627                    // Find instructions that define this operand
628                    for (j, other_instruction) in self.ir.instructions.iter().enumerate().take(i) {
629                        if self.instruction_defines_operand(other_instruction, operand) {
630                            self.ir
631                                .data_dependencies
632                                .dependencies
633                                .entry(i)
634                                .or_default()
635                                .insert(j);
636
637                            self.ir
638                                .data_dependencies
639                                .reverse_dependencies
640                                .entry(j)
641                                .or_default()
642                                .insert(i);
643                        }
644                    }
645                }
646            }
647        }
648    }
649
650    /// Check if instruction defines operand
651    fn instruction_defines_operand(&self, instruction: &IRInstruction, operand: &Operand) -> bool {
652        // Simplified check - would be more sophisticated in practice
653        match (instruction, operand) {
654            (
655                IRInstruction::Memory {
656                    operation: MemoryOperation::Store,
657                    address,
658                    ..
659                },
660                target,
661            ) => address == target,
662            _ => false,
663        }
664    }
665}
666
667/// IR Optimizer for optimization passes
668pub struct IROptimizer {
669    /// Available optimization passes
670    passes: Vec<Box<dyn IRTransform>>,
671    /// Optimization statistics
672    stats: OptimizationStats,
673}
674
675/// Optimization statistics
676#[derive(Debug, Clone, Default)]
677pub struct OptimizationStats {
678    pub passes_applied: u32,
679    pub instructions_eliminated: u32,
680    pub instructions_modified: u32,
681    pub optimization_time: std::time::Duration,
682}
683
684impl IROptimizer {
685    /// Create new optimizer
686    #[must_use]
687    pub fn new() -> Self {
688        Self {
689            passes: Vec::new(),
690            stats: OptimizationStats::default(),
691        }
692    }
693
694    /// Add optimization pass
695    pub fn add_pass(&mut self, pass: Box<dyn IRTransform>) {
696        self.passes.push(pass);
697    }
698
699    /// Run optimization passes
700    pub fn optimize(
701        &mut self,
702        ir: &mut IntermediateRepresentation,
703        level: OptimizationLevel,
704    ) -> Result<(), IRError> {
705        let start_time = std::time::Instant::now();
706        let initial_instruction_count = ir.instructions.len();
707
708        for pass in &mut self.passes {
709            if pass.should_run(level) {
710                pass.transform(ir)?;
711                self.stats.passes_applied += 1;
712            }
713        }
714
715        let final_instruction_count = ir.instructions.len();
716        self.stats.instructions_eliminated +=
717            (initial_instruction_count as i32 - final_instruction_count as i32).max(0) as u32;
718        self.stats.optimization_time = start_time.elapsed();
719
720        Ok(())
721    }
722
723    /// Get optimization statistics
724    #[must_use]
725    pub const fn get_stats(&self) -> &OptimizationStats {
726        &self.stats
727    }
728}
729
730impl Default for IROptimizer {
731    fn default() -> Self {
732        Self::new()
733    }
734}
735
736/// IR transformation trait
737pub trait IRTransform: Send + Sync {
738    /// Apply transformation to IR
739    fn transform(&mut self, ir: &mut IntermediateRepresentation) -> Result<(), IRError>;
740
741    /// Check if pass should run at given optimization level
742    fn should_run(&self, level: OptimizationLevel) -> bool;
743
744    /// Get pass name
745    fn name(&self) -> &str;
746}
747
748/// IR validation
749pub struct IRValidator {
750    /// Validation rules
751    rules: Vec<Box<dyn ValidationRule>>,
752}
753
754impl IRValidator {
755    /// Create new validator
756    #[must_use]
757    pub fn new() -> Self {
758        Self { rules: Vec::new() }
759    }
760
761    /// Add validation rule
762    pub fn add_rule(&mut self, rule: Box<dyn ValidationRule>) {
763        self.rules.push(rule);
764    }
765
766    /// Validate IR
767    pub fn validate(&self, ir: &IntermediateRepresentation) -> Result<ValidationReport, IRError> {
768        let mut report = ValidationReport::default();
769
770        for rule in &self.rules {
771            let rule_result = rule.validate(ir);
772            report.merge(rule_result);
773        }
774
775        Ok(report)
776    }
777}
778
779impl Default for IRValidator {
780    fn default() -> Self {
781        Self::new()
782    }
783}
784
785/// Validation rule trait
786pub trait ValidationRule: Send + Sync {
787    /// Validate IR against this rule
788    fn validate(&self, ir: &IntermediateRepresentation) -> ValidationReport;
789
790    /// Get rule name
791    fn name(&self) -> &str;
792}
793
794/// Validation report
795#[derive(Debug, Clone, Default)]
796pub struct ValidationReport {
797    pub errors: Vec<ValidationError>,
798    pub warnings: Vec<ValidationWarning>,
799    pub passed: bool,
800}
801
802impl ValidationReport {
803    /// Merge another report
804    pub fn merge(&mut self, other: Self) {
805        self.errors.extend(other.errors);
806        self.warnings.extend(other.warnings);
807        self.passed = self.passed && other.passed && self.errors.is_empty();
808    }
809}
810
811/// Validation error
812#[derive(Debug, Clone)]
813pub struct ValidationError {
814    pub message: String,
815    pub location: Option<Uuid>,
816    pub severity: ErrorSeverity,
817}
818
819/// Validation warning
820#[derive(Debug, Clone)]
821pub struct ValidationWarning {
822    pub message: String,
823    pub location: Option<Uuid>,
824}
825
826/// Error severity
827#[derive(Debug, Clone, Copy, PartialEq, Eq)]
828pub enum ErrorSeverity {
829    Low,
830    Medium,
831    High,
832    Critical,
833}
834
835/// Compilation pass trait
836pub trait CompilationPass: Send + Sync {
837    /// Run compilation pass
838    fn run(&mut self, ir: &mut IntermediateRepresentation) -> Result<(), IRError>;
839
840    /// Get pass dependencies
841    fn dependencies(&self) -> Vec<String>;
842
843    /// Get pass name
844    fn name(&self) -> &str;
845}
846
847/// Target code generator
848pub trait TargetGenerator: Send + Sync {
849    /// Generate code for target
850    fn generate(&self, ir: &IntermediateRepresentation) -> Result<GeneratedCode, IRError>;
851
852    /// Get target name
853    fn target_name(&self) -> &str;
854
855    /// Get supported features
856    fn supported_features(&self) -> Vec<String>;
857}
858
859/// Generated code
860#[derive(Debug, Clone)]
861pub struct GeneratedCode {
862    pub language: String,
863    pub code: String,
864    pub metadata: CodeGenerationMetadata,
865}
866
867/// Code generation metadata
868#[derive(Debug, Clone)]
869pub struct CodeGenerationMetadata {
870    pub generated_at: std::time::SystemTime,
871    pub generator_version: String,
872    pub target_features: Vec<String>,
873    pub optimization_level: OptimizationLevel,
874}
875
876impl Default for CodeGenerationMetadata {
877    fn default() -> Self {
878        Self {
879            generated_at: std::time::SystemTime::now(),
880            generator_version: String::new(),
881            target_features: Vec::new(),
882            optimization_level: OptimizationLevel::default(),
883        }
884    }
885}
886
887/// Code emitter for output
888pub trait CodeEmitter: Send + Sync {
889    /// Emit generated code
890    fn emit(&self, code: &GeneratedCode, output_path: &str) -> Result<(), IRError>;
891
892    /// Get supported output formats
893    fn supported_formats(&self) -> Vec<String>;
894}
895
896/// IR error types
897#[derive(Debug, Clone)]
898pub enum IRError {
899    InvalidInstruction(String),
900    UndefinedSymbol(String),
901    InvalidOperand(String),
902    OptimizationFailed(String),
903    ValidationFailed(String),
904    CodeGenerationFailed(String),
905    InternalError(String),
906}
907
908impl fmt::Display for IRError {
909    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
910        match self {
911            Self::InvalidInstruction(msg) => write!(f, "Invalid instruction: {msg}"),
912            Self::UndefinedSymbol(symbol) => write!(f, "Undefined symbol: {symbol}"),
913            Self::InvalidOperand(msg) => write!(f, "Invalid operand: {msg}"),
914            Self::OptimizationFailed(msg) => write!(f, "Optimization failed: {msg}"),
915            Self::ValidationFailed(msg) => write!(f, "Validation failed: {msg}"),
916            Self::CodeGenerationFailed(msg) => write!(f, "Code generation failed: {msg}"),
917            Self::InternalError(msg) => write!(f, "Internal error: {msg}"),
918        }
919    }
920}
921
922impl std::error::Error for IRError {}
923
924#[cfg(test)]
925mod tests {
926    use super::*;
927
928    #[test]
929    fn test_ir_builder() {
930        let mut builder = IRBuilder::new("test_module".to_string());
931
932        // Add some instructions
933        builder.add_gate(
934            GateOpcode::H,
935            vec![Operand::QuantumRegister("q".to_string(), 0)],
936        );
937
938        builder.add_gate(
939            GateOpcode::CX,
940            vec![
941                Operand::QuantumRegister("q".to_string(), 0),
942                Operand::QuantumRegister("q".to_string(), 1),
943            ],
944        );
945
946        let ir = builder.build();
947        assert_eq!(ir.instructions.len(), 2);
948        assert_eq!(ir.name, "test_module");
949    }
950
951    #[test]
952    fn test_symbol_table() {
953        let mut builder = IRBuilder::new("test".to_string());
954
955        builder.define_symbol(
956            "q".to_string(),
957            SymbolType::QuantumRegister(2),
958            StorageLocation::Register(0),
959        );
960
961        let ir = builder.build();
962        assert!(ir.symbols.symbols.contains_key("q"));
963    }
964
965    #[test]
966    fn test_ir_optimizer() {
967        let mut optimizer = IROptimizer::new();
968        let mut ir = IRBuilder::new("test".to_string()).build();
969
970        let result = optimizer.optimize(&mut ir, OptimizationLevel::Release);
971        assert!(result.is_ok());
972    }
973
974    #[test]
975    fn test_ir_validator() {
976        let validator = IRValidator::new();
977        let ir = IRBuilder::new("test".to_string()).build();
978
979        let result = validator.validate(&ir);
980        assert!(result.is_ok());
981    }
982}
quantrs2_circuit/scirs2_ir_tools.rs

quantrs2_circuit/
scirs2_ir_tools.rs
