cuda_rust_wasm/parser/cuda_parser.rs
1//! CUDA source code parser
2
3use crate::{Result, parse_error};
4use super::ast::*;
5
6/// Main CUDA parser
7pub struct CudaParser {
8 // Parser state can be added here
9}
10
11impl CudaParser {
12 /// Create a new CUDA parser
13 pub fn new() -> Self {
14 Self {}
15 }
16
17 /// Parse CUDA source code into AST
18 pub fn parse(&self, source: &str) -> Result<Ast> {
19 // TODO: Implement actual parsing logic
20 // This is a stub implementation
21
22 // For now, return a simple example AST
23 Ok(Ast {
24 items: vec![
25 Item::Kernel(KernelDef {
26 name: "vectorAdd".to_string(),
27 params: vec![
28 Parameter {
29 name: "a".to_string(),
30 ty: Type::Pointer(Box::new(Type::Float(FloatType::F32))),
31 qualifiers: vec![],
32 },
33 Parameter {
34 name: "b".to_string(),
35 ty: Type::Pointer(Box::new(Type::Float(FloatType::F32))),
36 qualifiers: vec![],
37 },
38 Parameter {
39 name: "c".to_string(),
40 ty: Type::Pointer(Box::new(Type::Float(FloatType::F32))),
41 qualifiers: vec![],
42 },
43 Parameter {
44 name: "n".to_string(),
45 ty: Type::Int(IntType::I32),
46 qualifiers: vec![],
47 },
48 ],
49 body: Block {
50 statements: vec![
51 Statement::VarDecl {
52 name: "i".to_string(),
53 ty: Type::Int(IntType::I32),
54 init: Some(Expression::Binary {
55 op: BinaryOp::Add,
56 left: Box::new(Expression::Binary {
57 op: BinaryOp::Mul,
58 left: Box::new(Expression::BlockIdx(Dimension::X)),
59 right: Box::new(Expression::BlockDim(Dimension::X)),
60 }),
61 right: Box::new(Expression::ThreadIdx(Dimension::X)),
62 }),
63 storage: StorageClass::Auto,
64 },
65 Statement::If {
66 condition: Expression::Binary {
67 op: BinaryOp::Lt,
68 left: Box::new(Expression::Var("i".to_string())),
69 right: Box::new(Expression::Var("n".to_string())),
70 },
71 then_branch: Box::new(Statement::Expr(Expression::Binary {
72 op: BinaryOp::Assign,
73 left: Box::new(Expression::Index {
74 array: Box::new(Expression::Var("c".to_string())),
75 index: Box::new(Expression::Var("i".to_string())),
76 }),
77 right: Box::new(Expression::Binary {
78 op: BinaryOp::Add,
79 left: Box::new(Expression::Index {
80 array: Box::new(Expression::Var("a".to_string())),
81 index: Box::new(Expression::Var("i".to_string())),
82 }),
83 right: Box::new(Expression::Index {
84 array: Box::new(Expression::Var("b".to_string())),
85 index: Box::new(Expression::Var("i".to_string())),
86 }),
87 }),
88 })),
89 else_branch: None,
90 },
91 ],
92 },
93 attributes: vec![],
94 }),
95 ],
96 })
97 }
98}
99
100impl Default for CudaParser {
101 fn default() -> Self {
102 Self::new()
103 }
104}