quantrs2_circuit/scirs2_cross_compilation_enhanced/
generators.rs

1//! Target code generators for different quantum platforms
2//!
3//! This module contains code generators for IBM Quantum, Google Sycamore,
4//! IonQ, Rigetti, and generic platforms.
5
6use super::config::{EnhancedCrossCompilationConfig, TargetPlatform};
7use super::types::{CodeFormat, IRGate, IROperationType, QuantumIR, TargetCode};
8use quantrs2_core::error::{QuantRS2Error, QuantRS2Result};
9use std::sync::Arc;
10
11use std::fmt::Write;
12/// Target code generator trait
13pub trait TargetCodeGenerator: Send + Sync {
14    fn generate(&self, ir: &QuantumIR) -> QuantRS2Result<TargetCode>;
15}
16
17/// Create target generator for platform
18pub fn create_target_generator(
19    platform: TargetPlatform,
20    config: EnhancedCrossCompilationConfig,
21) -> Arc<dyn TargetCodeGenerator> {
22    match platform {
23        TargetPlatform::IBMQuantum => Arc::new(IBMQuantumGenerator::new(config)),
24        TargetPlatform::GoogleSycamore => Arc::new(GoogleSycamoreGenerator::new(config)),
25        TargetPlatform::IonQ => Arc::new(IonQGenerator::new(config)),
26        TargetPlatform::Rigetti => Arc::new(RigettiGenerator::new(config)),
27        _ => Arc::new(GenericGenerator::new(config)),
28    }
29}
30
31/// IBM Quantum code generator
32pub struct IBMQuantumGenerator {
33    config: EnhancedCrossCompilationConfig,
34}
35
36impl IBMQuantumGenerator {
37    pub const fn new(config: EnhancedCrossCompilationConfig) -> Self {
38        Self { config }
39    }
40
41    fn generate_qasm(ir: &QuantumIR) -> QuantRS2Result<String> {
42        let mut qasm = String::new();
43
44        // Header
45        qasm.push_str("OPENQASM 2.0;\n");
46        qasm.push_str("include \"qelib1.inc\";\n\n");
47
48        // Quantum registers
49        writeln!(qasm, "qreg q[{}];", ir.num_qubits).expect("Writing to String is infallible");
50
51        // Classical registers
52        if ir.num_classical_bits > 0 {
53            writeln!(qasm, "creg c[{}];", ir.num_classical_bits)
54                .expect("Writing to String is infallible");
55        }
56
57        qasm.push('\n');
58
59        // Operations
60        for op in &ir.operations {
61            let gate_str = Self::ir_op_to_qasm(op)?;
62            writeln!(qasm, "{gate_str}").expect("Writing to String is infallible");
63        }
64
65        Ok(qasm)
66    }
67
68    fn ir_op_to_qasm(op: &super::types::IROperation) -> QuantRS2Result<String> {
69        match &op.operation_type {
70            IROperationType::Gate(gate) => Self::gate_to_qasm(gate, &op.qubits),
71            IROperationType::Measurement(qubits, bits) => {
72                Ok(format!("measure q[{}] -> c[{}];", qubits[0], bits[0]))
73            }
74            _ => Err(QuantRS2Error::UnsupportedOperation(format!(
75                "Operation {:?} not supported in QASM",
76                op.operation_type
77            ))),
78        }
79    }
80
81    fn gate_to_qasm(gate: &IRGate, qubits: &[usize]) -> QuantRS2Result<String> {
82        match gate {
83            IRGate::H => Ok(format!("h q[{}];", qubits[0])),
84            IRGate::X => Ok(format!("x q[{}];", qubits[0])),
85            IRGate::Y => Ok(format!("y q[{}];", qubits[0])),
86            IRGate::Z => Ok(format!("z q[{}];", qubits[0])),
87            IRGate::CNOT => Ok(format!("cx q[{}], q[{}];", qubits[0], qubits[1])),
88            IRGate::RX(angle) => Ok(format!("rx({}) q[{}];", angle, qubits[0])),
89            IRGate::RY(angle) => Ok(format!("ry({}) q[{}];", angle, qubits[0])),
90            IRGate::RZ(angle) => Ok(format!("rz({}) q[{}];", angle, qubits[0])),
91            _ => Err(QuantRS2Error::UnsupportedOperation(format!(
92                "Gate {gate:?} not supported in QASM"
93            ))),
94        }
95    }
96}
97
98impl TargetCodeGenerator for IBMQuantumGenerator {
99    fn generate(&self, ir: &QuantumIR) -> QuantRS2Result<TargetCode> {
100        let mut code = TargetCode::new(TargetPlatform::IBMQuantum);
101
102        // Generate QASM code for IBM Quantum
103        let qasm = Self::generate_qasm(ir)?;
104        code.code = qasm;
105        code.format = CodeFormat::QASM;
106
107        // Add IBM-specific metadata
108        code.metadata
109            .insert("backend".to_string(), "ibmq_qasm_simulator".to_string());
110
111        Ok(code)
112    }
113}
114
115/// Google Sycamore code generator
116pub struct GoogleSycamoreGenerator {
117    config: EnhancedCrossCompilationConfig,
118}
119
120impl GoogleSycamoreGenerator {
121    pub const fn new(config: EnhancedCrossCompilationConfig) -> Self {
122        Self { config }
123    }
124
125    fn generate_cirq(ir: &QuantumIR) -> QuantRS2Result<String> {
126        let mut code = String::new();
127
128        // Imports
129        code.push_str("import cirq\n");
130        code.push_str("import numpy as np\n\n");
131
132        // Create qubits
133        writeln!(code, "qubits = cirq.LineQubit.range({})", ir.num_qubits)
134            .expect("Writing to String is infallible");
135        code.push_str("circuit = cirq.Circuit()\n\n");
136
137        // Add operations
138        for op in &ir.operations {
139            let op_str = Self::ir_op_to_cirq(op)?;
140            writeln!(code, "circuit.append({op_str})").expect("Writing to String is infallible");
141        }
142
143        Ok(code)
144    }
145
146    fn ir_op_to_cirq(op: &super::types::IROperation) -> QuantRS2Result<String> {
147        match &op.operation_type {
148            IROperationType::Gate(gate) => Self::gate_to_cirq(gate, &op.qubits),
149            IROperationType::Measurement(qubits, _) => Ok(format!(
150                "cirq.measure(qubits[{}], key='m{}')",
151                qubits[0], qubits[0]
152            )),
153            _ => Err(QuantRS2Error::UnsupportedOperation(format!(
154                "Operation {:?} not supported in Cirq",
155                op.operation_type
156            ))),
157        }
158    }
159
160    fn gate_to_cirq(gate: &IRGate, qubits: &[usize]) -> QuantRS2Result<String> {
161        match gate {
162            IRGate::H => Ok(format!("cirq.H(qubits[{}])", qubits[0])),
163            IRGate::X => Ok(format!("cirq.X(qubits[{}])", qubits[0])),
164            IRGate::Y => Ok(format!("cirq.Y(qubits[{}])", qubits[0])),
165            IRGate::Z => Ok(format!("cirq.Z(qubits[{}])", qubits[0])),
166            IRGate::CNOT => Ok(format!(
167                "cirq.CNOT(qubits[{}], qubits[{}])",
168                qubits[0], qubits[1]
169            )),
170            IRGate::RX(angle) => Ok(format!("cirq.rx({}).on(qubits[{}])", angle, qubits[0])),
171            IRGate::RY(angle) => Ok(format!("cirq.ry({}).on(qubits[{}])", angle, qubits[0])),
172            IRGate::RZ(angle) => Ok(format!("cirq.rz({}).on(qubits[{}])", angle, qubits[0])),
173            IRGate::SqrtISWAP => Ok(format!(
174                "cirq.SQRT_ISWAP(qubits[{}], qubits[{}])",
175                qubits[0], qubits[1]
176            )),
177            _ => Err(QuantRS2Error::UnsupportedOperation(format!(
178                "Gate {gate:?} not supported in Cirq"
179            ))),
180        }
181    }
182}
183
184impl TargetCodeGenerator for GoogleSycamoreGenerator {
185    fn generate(&self, ir: &QuantumIR) -> QuantRS2Result<TargetCode> {
186        let mut code = TargetCode::new(TargetPlatform::GoogleSycamore);
187
188        // Generate Cirq code for Google Sycamore
189        let cirq_code = Self::generate_cirq(ir)?;
190        code.code = cirq_code;
191        code.format = CodeFormat::Cirq;
192
193        Ok(code)
194    }
195}
196
197/// `IonQ` code generator
198pub struct IonQGenerator {
199    config: EnhancedCrossCompilationConfig,
200}
201
202impl IonQGenerator {
203    pub const fn new(config: EnhancedCrossCompilationConfig) -> Self {
204        Self { config }
205    }
206
207    fn generate_ionq_json(ir: &QuantumIR) -> QuantRS2Result<String> {
208        let mut circuit = serde_json::json!({
209            "format": "ionq.circuit.v0",
210            "qubits": ir.num_qubits,
211            "circuit": []
212        });
213
214        let circuit_ops = circuit["circuit"].as_array_mut().ok_or_else(|| {
215            QuantRS2Error::RuntimeError("Failed to get circuit array".to_string())
216        })?;
217
218        for op in &ir.operations {
219            if let IROperationType::Gate(gate) = &op.operation_type {
220                let ionq_op = Self::ir_gate_to_ionq(gate, &op.qubits)?;
221                circuit_ops.push(ionq_op);
222            }
223        }
224
225        Ok(serde_json::to_string_pretty(&circuit)?)
226    }
227
228    fn ir_gate_to_ionq(gate: &IRGate, qubits: &[usize]) -> QuantRS2Result<serde_json::Value> {
229        match gate {
230            IRGate::H => Ok(serde_json::json!({
231                "gate": "h",
232                "target": qubits[0]
233            })),
234            IRGate::X => Ok(serde_json::json!({
235                "gate": "x",
236                "target": qubits[0]
237            })),
238            IRGate::Y => Ok(serde_json::json!({
239                "gate": "y",
240                "target": qubits[0]
241            })),
242            IRGate::Z => Ok(serde_json::json!({
243                "gate": "z",
244                "target": qubits[0]
245            })),
246            IRGate::CNOT => Ok(serde_json::json!({
247                "gate": "cnot",
248                "control": qubits[0],
249                "target": qubits[1]
250            })),
251            _ => Err(QuantRS2Error::UnsupportedOperation(format!(
252                "Gate {gate:?} not supported on IonQ"
253            ))),
254        }
255    }
256}
257
258impl TargetCodeGenerator for IonQGenerator {
259    fn generate(&self, ir: &QuantumIR) -> QuantRS2Result<TargetCode> {
260        let mut code = TargetCode::new(TargetPlatform::IonQ);
261
262        // Generate IonQ JSON format
263        let ionq_json = Self::generate_ionq_json(ir)?;
264        code.code = ionq_json;
265        code.format = CodeFormat::IonQJSON;
266
267        Ok(code)
268    }
269}
270
271/// Rigetti code generator
272pub struct RigettiGenerator {
273    config: EnhancedCrossCompilationConfig,
274}
275
276impl RigettiGenerator {
277    pub const fn new(config: EnhancedCrossCompilationConfig) -> Self {
278        Self { config }
279    }
280
281    fn generate_quil(ir: &QuantumIR) -> QuantRS2Result<String> {
282        let mut quil = String::new();
283
284        // Declare qubits (implicit in Quil)
285
286        // Generate gates
287        for op in &ir.operations {
288            if let IROperationType::Gate(gate) = &op.operation_type {
289                let gate_str = Self::ir_gate_to_quil(gate, &op.qubits)?;
290                writeln!(quil, "{gate_str}").expect("Writing to String is infallible");
291            } else if let IROperationType::Measurement(qubits, bits) = &op.operation_type {
292                writeln!(quil, "MEASURE {} ro[{}]", qubits[0], bits[0])
293                    .expect("Writing to String is infallible");
294            }
295        }
296
297        Ok(quil)
298    }
299
300    fn ir_gate_to_quil(gate: &IRGate, qubits: &[usize]) -> QuantRS2Result<String> {
301        match gate {
302            IRGate::H => Ok(format!("H {}", qubits[0])),
303            IRGate::X => Ok(format!("X {}", qubits[0])),
304            IRGate::Y => Ok(format!("Y {}", qubits[0])),
305            IRGate::Z => Ok(format!("Z {}", qubits[0])),
306            IRGate::CNOT => Ok(format!("CNOT {} {}", qubits[0], qubits[1])),
307            IRGate::RX(angle) => Ok(format!("RX({}) {}", angle, qubits[0])),
308            IRGate::RY(angle) => Ok(format!("RY({}) {}", angle, qubits[0])),
309            IRGate::RZ(angle) => Ok(format!("RZ({}) {}", angle, qubits[0])),
310            _ => Err(QuantRS2Error::UnsupportedOperation(format!(
311                "Gate {gate:?} not supported in Quil"
312            ))),
313        }
314    }
315}
316
317impl TargetCodeGenerator for RigettiGenerator {
318    fn generate(&self, ir: &QuantumIR) -> QuantRS2Result<TargetCode> {
319        let mut code = TargetCode::new(TargetPlatform::Rigetti);
320
321        // Generate Quil code
322        let quil = Self::generate_quil(ir)?;
323        code.code = quil;
324        code.format = CodeFormat::Quil;
325
326        Ok(code)
327    }
328}
329
330/// Generic code generator
331pub struct GenericGenerator {
332    config: EnhancedCrossCompilationConfig,
333}
334
335impl GenericGenerator {
336    pub const fn new(config: EnhancedCrossCompilationConfig) -> Self {
337        Self { config }
338    }
339}
340
341impl TargetCodeGenerator for GenericGenerator {
342    fn generate(&self, ir: &QuantumIR) -> QuantRS2Result<TargetCode> {
343        // Generate generic quantum assembly
344        Ok(TargetCode::new(TargetPlatform::Simulator))
345    }
346}
quantrs2_circuit/scirs2_cross_compilation_enhanced/generators.rs

quantrs2_circuit/scirs2_cross_compilation_enhanced/
generators.rs
