[−][src]Trait wasmparser::WasmDecoder
Required methods
fn read(&mut self) -> &ParserState<'a>
fn push_input(&mut self, input: ParserInput)
fn read_with_input(&mut self, input: ParserInput) -> &ParserState<'a>
fn create_binary_reader<'b>(&mut self) -> BinaryReader<'b> where
'a: 'b,
'a: 'b,
fn last_state(&self) -> &ParserState<'a>
Implementors
impl<'a> WasmDecoder<'a> for Parser<'a>
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fn read(&mut self) -> &ParserState<'a>
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Reads next record from the WebAssembly binary data. The methods returns
reference to current state of the parser. See ParserState
num.
Examples
use wasmparser::WasmDecoder; let mut parser = wasmparser::Parser::new(data); { let state = parser.read(); println!("First state {:?}", state); } { let state = parser.read(); println!("Second state {:?}", state); }
fn push_input(&mut self, input: ParserInput)
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fn create_binary_reader<'b>(&mut self) -> BinaryReader<'b> where
'a: 'b,
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'a: 'b,
Creates a BinaryReader when current state is ParserState::BeginSection or ParserState::BeginFunctionBody.
Examples
use wasmparser::{WasmDecoder, Parser, ParserState}; let mut parser = Parser::new(data); let mut function_readers = Vec::new(); loop { match *parser.read() { ParserState::Error(_) | ParserState::EndWasm => break, ParserState::BeginFunctionBody {..} => { let reader = parser.create_binary_reader(); function_readers.push(reader); } _ => continue } } for (i, reader) in function_readers.iter_mut().enumerate() { println!("Function {}", i); while let Ok(ref op) = reader.read_operator() { println!(" {:?}", op); } }
fn read_with_input(&mut self, input: ParserInput) -> &ParserState<'a>
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Reads next record from the WebAssembly binary data. It also allows to
control how parser will treat the next record(s). The method accepts the
ParserInput
parameter that allows e.g. to skip section or function
operators. The methods returns reference to current state of the parser.
Examples
use wasmparser::WasmDecoder; let mut parser = wasmparser::Parser::new(data); let mut next_input = wasmparser::ParserInput::Default; loop { let state = parser.read_with_input(next_input); match *state { wasmparser::ParserState::EndWasm => break, wasmparser::ParserState::BeginWasm { .. } | wasmparser::ParserState::EndSection => next_input = wasmparser::ParserInput::Default, wasmparser::ParserState::BeginSection { ref code, .. } => { println!("Found section: {:?}", code); next_input = wasmparser::ParserInput::SkipSection; }, _ => unreachable!() } }
fn last_state(&self) -> &ParserState<'a>
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impl<'a> WasmDecoder<'a> for ValidatingParser<'a>
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fn read(&mut self) -> &ParserState<'a>
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fn push_input(&mut self, input: ParserInput)
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fn read_with_input(&mut self, input: ParserInput) -> &ParserState<'a>
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fn create_binary_reader<'b>(&mut self) -> BinaryReader<'b> where
'a: 'b,
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'a: 'b,