ptx-90-parser 0.2.3

//! Original PTX specification:
//!
//! div.type  d, a, b;
//! .type = { .u16, .u32, .u64,
//! .s16, .s32, .s64 };
//!
//! div.approx{.ftz}.f32  d, a, b;  // fast, approximate divide
//! div.full{.ftz}.f32    d, a, b;  // full-range approximate divide
//! div.rnd{.ftz}.f32     d, a, b;  // IEEE 754 compliant rounding
//! div.rnd.f64           d, a, b;  // IEEE 754 compliant rounding
//! .rnd = { .rn, .rz, .rm, .rp };

#![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::div::section_0::*;

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

    impl PtxParser for Rnd {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            // Try Rn
            {
                let saved_pos = stream.position();
                if stream.expect_string(".rn").is_ok() {
                    return Ok(Rnd::Rn);
                }
                stream.set_position(saved_pos);
            }
            let saved_pos = stream.position();
            // Try Rz
            {
                let saved_pos = stream.position();
                if stream.expect_string(".rz").is_ok() {
                    return Ok(Rnd::Rz);
                }
                stream.set_position(saved_pos);
            }
            stream.set_position(saved_pos);
            let saved_pos = stream.position();
            // Try Rm
            {
                let saved_pos = stream.position();
                if stream.expect_string(".rm").is_ok() {
                    return Ok(Rnd::Rm);
                }
                stream.set_position(saved_pos);
            }
            stream.set_position(saved_pos);
            let saved_pos = stream.position();
            // Try Rp
            {
                let saved_pos = stream.position();
                if stream.expect_string(".rp").is_ok() {
                    return Ok(Rnd::Rp);
                }
                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 = &[".rn", ".rz", ".rm", ".rp"];
            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 Type {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            // Try U16
            {
                let saved_pos = stream.position();
                if stream.expect_string(".u16").is_ok() {
                    return Ok(Type::U16);
                }
                stream.set_position(saved_pos);
            }
            let saved_pos = stream.position();
            // Try U32
            {
                let saved_pos = stream.position();
                if stream.expect_string(".u32").is_ok() {
                    return Ok(Type::U32);
                }
                stream.set_position(saved_pos);
            }
            stream.set_position(saved_pos);
            let saved_pos = stream.position();
            // Try U64
            {
                let saved_pos = stream.position();
                if stream.expect_string(".u64").is_ok() {
                    return Ok(Type::U64);
                }
                stream.set_position(saved_pos);
            }
            stream.set_position(saved_pos);
            let saved_pos = stream.position();
            // Try S16
            {
                let saved_pos = stream.position();
                if stream.expect_string(".s16").is_ok() {
                    return Ok(Type::S16);
                }
                stream.set_position(saved_pos);
            }
            stream.set_position(saved_pos);
            let saved_pos = stream.position();
            // Try S32
            {
                let saved_pos = stream.position();
                if stream.expect_string(".s32").is_ok() {
                    return Ok(Type::S32);
                }
                stream.set_position(saved_pos);
            }
            stream.set_position(saved_pos);
            let saved_pos = stream.position();
            // Try S64
            {
                let saved_pos = stream.position();
                if stream.expect_string(".s64").is_ok() {
                    return Ok(Type::S64);
                }
                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 = &[".u16", ".u32", ".u64", ".s16", ".s32", ".s64"];
            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 DivType {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            stream.expect_string("div")?;
            let type_ = Type::parse(stream)?;
            stream.expect_complete()?;
            let d = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let a = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let b = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Semicolon)?;
            Ok(DivType { type_, d, a, b })
        }
    }

    impl PtxParser for DivApproxFtzF32 {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            stream.expect_string("div")?;
            stream.expect_string(".approx")?;
            let approx = ();
            stream.expect_complete()?;
            let saved_pos = stream.position();
            let ftz = stream.expect_string(".ftz").is_ok();
            if !ftz {
                stream.set_position(saved_pos);
            }
            stream.expect_complete()?;
            stream.expect_string(".f32")?;
            let f32 = ();
            stream.expect_complete()?;
            let d = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let a = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let b = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Semicolon)?;
            Ok(DivApproxFtzF32 {
                approx,
                ftz,
                f32,
                d,
                a,
                b,
            })
        }
    }

    impl PtxParser for DivFullFtzF32 {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            stream.expect_string("div")?;
            stream.expect_string(".full")?;
            let full = ();
            stream.expect_complete()?;
            let saved_pos = stream.position();
            let ftz = stream.expect_string(".ftz").is_ok();
            if !ftz {
                stream.set_position(saved_pos);
            }
            stream.expect_complete()?;
            stream.expect_string(".f32")?;
            let f32 = ();
            stream.expect_complete()?;
            let d = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let a = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let b = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Semicolon)?;
            Ok(DivFullFtzF32 {
                full,
                ftz,
                f32,
                d,
                a,
                b,
            })
        }
    }

    impl PtxParser for DivRndFtzF32 {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            stream.expect_string("div")?;
            let rnd = Rnd::parse(stream)?;
            stream.expect_complete()?;
            let saved_pos = stream.position();
            let ftz = stream.expect_string(".ftz").is_ok();
            if !ftz {
                stream.set_position(saved_pos);
            }
            stream.expect_complete()?;
            stream.expect_string(".f32")?;
            let f32 = ();
            stream.expect_complete()?;
            let d = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let a = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let b = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Semicolon)?;
            Ok(DivRndFtzF32 {
                rnd,
                ftz,
                f32,
                d,
                a,
                b,
            })
        }
    }

    impl PtxParser for DivRndF64 {
        fn parse(stream: &mut PtxTokenStream) -> Result<Self, PtxParseError> {
            stream.expect_string("div")?;
            let rnd = Rnd::parse(stream)?;
            stream.expect_complete()?;
            stream.expect_string(".f64")?;
            let f64 = ();
            stream.expect_complete()?;
            let d = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let a = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Comma)?;
            let b = GeneralOperand::parse(stream)?;
            stream.expect_complete()?;
            stream.expect_complete()?;
            stream.expect(&PtxToken::Semicolon)?;
            Ok(DivRndF64 { rnd, f64, d, a, b })
        }
    }
}