ptx_parser/parser/instruction/
discard.rs

1//! Original PTX specification:
2//!
3//! discard{.global}.level  [a], size;
4//! .level = { .L2 };
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::discard::section_0::*;
15
16    // ============================================================================
17    // Generated enum parsers
18    // ============================================================================
19
20    impl PtxParser for Level {
21        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
22            // Try L2
23            {
24                let saved_pos = stream.position();
25                if stream.expect_string(".L2").is_ok() {
26                    return Ok(Level::L2);
27                }
28                stream.set_position(saved_pos);
29            }
30            let span = stream.peek().map(|(_, s)| s.clone()).unwrap_or(Span { start: 0, end: 0 });
31            let expected = &[".L2"];
32            let found = stream.peek().map(|(t, _)| format!("{:?}", t)).unwrap_or_else(|_| "<end of input>".to_string());
33            Err(crate::parser::unexpected_value(span, expected, found))
34        }
35    }
36
37    impl PtxParser for DiscardGlobalLevel {
38        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
39            stream.expect_string("discard")?;
40            let saved_pos = stream.position();
41            let global = stream.expect_string(".global").is_ok();
42            if !global {
43                stream.set_position(saved_pos);
44            }
45            stream.expect_complete()?;
46            let level = Level::parse(stream)?;
47            stream.expect_complete()?;
48            let a = AddressOperand::parse(stream)?;
49            stream.expect_complete()?;
50            stream.expect(&PtxToken::Comma)?;
51            let size = GeneralOperand::parse(stream)?;
52            stream.expect_complete()?;
53            stream.expect_complete()?;
54            stream.expect(&PtxToken::Semicolon)?;
55            Ok(DiscardGlobalLevel {
56                global,
57                level,
58                a,
59                size,
60            })
61        }
62    }
63
64
65}
66
ptx_parser/parser/instruction/discard.rs

ptx_parser/parser/instruction/
discard.rs
