mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-15 15:15:40 +00:00
34 lines
1.4 KiB
Rust
34 lines
1.4 KiB
Rust
use wasmer_runtime_core::{
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backend::{FuncResolver, ProtectedCaller},
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module::ModuleInfo,
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structures::Map,
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types::{FuncIndex, FuncSig, SigIndex},
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};
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use wasmparser::{Operator, Type as WpType};
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pub trait ModuleCodeGenerator<FCG: FunctionCodeGenerator, PC: ProtectedCaller, FR: FuncResolver> {
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fn check_precondition(&mut self, module_info: &ModuleInfo) -> Result<(), CodegenError>;
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fn next_function(&mut self) -> Result<&mut FCG, CodegenError>;
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fn finalize(self, module_info: &ModuleInfo) -> Result<(PC, FR), CodegenError>;
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fn feed_signatures(&mut self, signatures: Map<SigIndex, FuncSig>) -> Result<(), CodegenError>;
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fn feed_function_signatures(
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&mut self,
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assoc: Map<FuncIndex, SigIndex>,
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) -> Result<(), CodegenError>;
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fn feed_import_function(&mut self) -> Result<(), CodegenError>;
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}
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pub trait FunctionCodeGenerator {
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fn feed_return(&mut self, ty: WpType) -> Result<(), CodegenError>;
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fn feed_param(&mut self, ty: WpType) -> Result<(), CodegenError>;
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fn feed_local(&mut self, ty: WpType, n: usize) -> Result<(), CodegenError>;
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fn begin_body(&mut self) -> Result<(), CodegenError>;
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fn feed_opcode(&mut self, op: Operator, module_info: &ModuleInfo) -> Result<(), CodegenError>;
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fn finalize(&mut self) -> Result<(), CodegenError>;
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}
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#[derive(Debug)]
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pub struct CodegenError {
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pub message: &'static str,
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}
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