ptx_parser/parser/instruction/
copysign.rs

1//! Original PTX specification:
2//!
3//! copysign.type  d, a, b;
4//! .type = { .f32, .f64 };
5
6#![allow(unused)]
7
8use crate::lexer::PtxToken;
9use crate::parser::{PtxParseError, PtxParser, PtxTokenStream, Span};
10use crate::r#type::common::*;
11
12pub mod section_0 {
13    use super::*;
14    use crate::r#type::instruction::copysign::section_0::*;
15
16    // ============================================================================
17    // Generated enum parsers
18    // ============================================================================
19
20    impl PtxParser for Type {
21        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
22            // Try F32
23            {
24                let saved_pos = stream.position();
25                if stream.expect_string(".f32").is_ok() {
26                    return Ok(Type::F32);
27                }
28                stream.set_position(saved_pos);
29            }
30            let saved_pos = stream.position();
31            // Try F64
32            {
33                let saved_pos = stream.position();
34                if stream.expect_string(".f64").is_ok() {
35                    return Ok(Type::F64);
36                }
37                stream.set_position(saved_pos);
38            }
39            stream.set_position(saved_pos);
40            let span = stream.peek().map(|(_, s)| s.clone()).unwrap_or(Span { start: 0, end: 0 });
41            let expected = &[".f32", ".f64"];
42            let found = stream.peek().map(|(t, _)| format!("{:?}", t)).unwrap_or_else(|_| "<end of input>".to_string());
43            Err(crate::parser::unexpected_value(span, expected, found))
44        }
45    }
46
47    impl PtxParser for CopysignType {
48        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
49            stream.expect_string("copysign")?;
50            let type_ = Type::parse(stream)?;
51            stream.expect_complete()?;
52            let d = GeneralOperand::parse(stream)?;
53            stream.expect_complete()?;
54            stream.expect(&PtxToken::Comma)?;
55            let a = GeneralOperand::parse(stream)?;
56            stream.expect_complete()?;
57            stream.expect(&PtxToken::Comma)?;
58            let b = GeneralOperand::parse(stream)?;
59            stream.expect_complete()?;
60            stream.expect_complete()?;
61            stream.expect(&PtxToken::Semicolon)?;
62            Ok(CopysignType {
63                type_,
64                d,
65                a,
66                b,
67            })
68        }
69    }
70
71
72}
73
ptx_parser/parser/instruction/copysign.rs

ptx_parser/parser/instruction/
copysign.rs
