ptx_parser/parser/instruction/
shl.rs

1//! Original PTX specification:
2//!
3//! shl.type d, a, b;
4//! .type = { .b16, .b32, .b64 };
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::shl::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 B16
23            {
24                let saved_pos = stream.position();
25                if stream.expect_string(".b16").is_ok() {
26                    return Ok(Type::B16);
27                }
28                stream.set_position(saved_pos);
29            }
30            let saved_pos = stream.position();
31            // Try B32
32            {
33                let saved_pos = stream.position();
34                if stream.expect_string(".b32").is_ok() {
35                    return Ok(Type::B32);
36                }
37                stream.set_position(saved_pos);
38            }
39            stream.set_position(saved_pos);
40            let saved_pos = stream.position();
41            // Try B64
42            {
43                let saved_pos = stream.position();
44                if stream.expect_string(".b64").is_ok() {
45                    return Ok(Type::B64);
46                }
47                stream.set_position(saved_pos);
48            }
49            stream.set_position(saved_pos);
50            let span = stream
51                .peek()
52                .map(|(_, s)| s.clone())
53                .unwrap_or(Span { start: 0, end: 0 });
54            let expected = &[".b16", ".b32", ".b64"];
55            let found = stream
56                .peek()
57                .map(|(t, _)| format!("{:?}", t))
58                .unwrap_or_else(|_| "<end of input>".to_string());
59            Err(crate::parser::unexpected_value(span, expected, found))
60        }
61    }
62
63    impl PtxParser for ShlType {
64        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
65            stream.expect_string("shl")?;
66            let type_ = Type::parse(stream)?;
67            stream.expect_complete()?;
68            let d = GeneralOperand::parse(stream)?;
69            stream.expect_complete()?;
70            stream.expect(&PtxToken::Comma)?;
71            let a = GeneralOperand::parse(stream)?;
72            stream.expect_complete()?;
73            stream.expect(&PtxToken::Comma)?;
74            let b = GeneralOperand::parse(stream)?;
75            stream.expect_complete()?;
76            stream.expect_complete()?;
77            stream.expect(&PtxToken::Semicolon)?;
78            Ok(ShlType { type_, d, a, b })
79        }
80    }
81}