Struct BitStreamReader 

pub struct BitStreamReader { /* private fields */ }

Bitstream reader

Implementations

impl BitStreamReader

pub const TOP_LEVEL_BLOCK_ID: u32 = 4_294_967_295u32

Top level fake block ID

pub fn new() -> Self

Examples found in repository

examples/llvm_bca.rs (line 15)

fn main() {
    let path = std::env::args()
        .nth(1)
        .expect("Provide file path to a .bc file");
    let file = std::fs::read(&path).unwrap();

    let mut reader = BitStreamReader::new();
    let (sig, bitcode) = Signature::parse(&file).unwrap();

    println!(
        "<BITCODE_WRAPPER_HEADER Magic=0x{:08x} Version=0x{:08x} Offset=0x{:08x} Size=0x{:08x} CPUType=0x{:08x}/>",
        sig.magic, sig.version, sig.offset, sig.size, sig.cpu_type
    );
    iter_block(reader.iter_bitcode(bitcode), 0).unwrap();
}

pub fn iter_bitcode<'input>( &mut self, bitcode_data: &'input [u8], ) -> BlockIter<'_, 'input>

Skip Signature first

Examples found in repository

examples/llvm_bca.rs (line 22)

fn main() {
    let path = std::env::args()
        .nth(1)
        .expect("Provide file path to a .bc file");
    let file = std::fs::read(&path).unwrap();

    let mut reader = BitStreamReader::new();
    let (sig, bitcode) = Signature::parse(&file).unwrap();

    println!(
        "<BITCODE_WRAPPER_HEADER Magic=0x{:08x} Version=0x{:08x} Offset=0x{:08x} Size=0x{:08x} CPUType=0x{:08x}/>",
        sig.magic, sig.version, sig.offset, sig.size, sig.cpu_type
    );
    iter_block(reader.iter_bitcode(bitcode), 0).unwrap();
}

pub fn read_block<V: BitStreamVisitor>( &mut self, cursor: Cursor<'_>, block_id: u32, abbrev_width: u8, visitor: &mut V, ) -> Result<(), Error>

Read block with visitor

Trait Implementations

impl Clone for BitStreamReader

fn clone(&self) -> BitStreamReader

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BitStreamReader

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.