ptx-90-parser 0.2.3

Parse NVIDIA PTX 9.0 assembly into a structured AST and explore modules via a CLI.
Documentation 
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//! Original PTX specification:
//!
//! tcgen05.shift.cta_group.down  [taddr];
//! .cta_group = { .cta_group::1, .cta_group::2 }

#![allow(unused)]

use crate::lexer::PtxToken;
use crate::parser::{PtxParseError, PtxParser, PtxTokenStream, Span};
use crate::r#type::common::*;

pub mod section_0 {
    use super::*;
    use crate::r#type::instruction::tcgen05_shift::section_0::*;

    // ============================================================================
    // Generated enum parsers
    // ============================================================================

    impl PtxParser for CtaGroup {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            // Try CtaGroup1
            {
                let saved_pos = stream.position();
                if stream.expect_string(".cta_group::1").is_ok() {
                    return Ok(CtaGroup::CtaGroup1);
                }
                stream.set_position(saved_pos);
            }
            let saved_pos = stream.position();
            // Try CtaGroup2
            {
                let saved_pos = stream.position();
                if stream.expect_string(".cta_group::2").is_ok() {
                    return Ok(CtaGroup::CtaGroup2);
                }
                stream.set_position(saved_pos);
            }
            stream.set_position(saved_pos);
            let span = stream
                .peek()
                .map(|(_, s)| s.clone())
                .unwrap_or(Span { start: 0, end: 0 });
            let expected = &[".cta_group::1", ".cta_group::2"];
            let found = stream
                .peek()
                .map(|(t, _)| format!("{:?}", t))
                .unwrap_or_else(|_| "<end of input>".to_string());
            Err(crate::parser::unexpected_value(span, expected, found))
        }
    }

    impl PtxParser for Tcgen05ShiftCtaGroupDown {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            stream.expect_string("tcgen05")?;
            stream.expect_string(".shift")?;
            let shift = ();
            stream.expect_complete()?;
            let cta_group = CtaGroup::parse(stream)?;
            stream.expect_complete()?;
            stream.expect_string(".down")?;
            let down = ();
            stream.expect_complete()?;
            let taddr = AddressOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Semicolon)?;
            Ok(Tcgen05ShiftCtaGroupDown {
                shift,
                cta_group,
                down,
                taddr,
            })
        }
    }
}