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use crate::core::error::*; use crate::core::program::*; use crate::core::validator::*; use libloading::{Library, Symbol}; use std::sync::Mutex; type FuncOnFilterModule = fn(&Module, &Program, &Validator) -> bool; type FuncOnFilterStruct = fn(&Struct, &Module, &Program, &Validator) -> bool; type FuncOnFilterFunction = fn(&Function, &Module, &Program, &Validator) -> bool; type FuncOnFilterOp = fn(&Operation, &Function, &Module, &Program, &Validator) -> bool; type FuncOnValidateProgram = fn(&Program, &Validator) -> SimpleResult<()>; type FuncOnValidateModule = fn(&Module, &Program, &Validator) -> SimpleResult<()>; type FuncOnValidateOp = fn(&Operation, &Function, &Module, &Program, &Rule, &Validator) -> SimpleResult<()>; lazy_static! { static ref LIBS: Mutex<Vec<Library>> = Mutex::new(vec![]); } pub fn load_validator(path: &str) -> SimpleResult<()> { let lib = match Library::new(path) { Ok(lib) => Ok(lib), Err(err) => Err(SimpleError::new(format!("{}: {}", path, err))), }?; LIBS.lock().unwrap().push(lib); Ok(()) } pub struct ExternalDeepValidator {} impl DeepValidator for ExternalDeepValidator { fn filter_module(module: &Module, program: &Program, validator: &Validator) -> bool { LIBS.lock().unwrap().iter().all(|lib| unsafe { match lib.get(b"on_filter_module") { Ok(f) => { let cb: Symbol<FuncOnFilterModule> = f; cb(module, program, validator) } Err(_) => true, } }) } fn filter_struct( struct_: &Struct, module: &Module, program: &Program, validator: &Validator, ) -> bool { LIBS.lock().unwrap().iter().all(|lib| unsafe { match lib.get(b"on_filter_struct") { Ok(f) => { let cb: Symbol<FuncOnFilterStruct> = f; cb(struct_, module, program, validator) } Err(_) => true, } }) } fn filter_function( function: &Function, module: &Module, program: &Program, validator: &Validator, ) -> bool { LIBS.lock().unwrap().iter().all(|lib| unsafe { match lib.get(b"on_filter_function") { Ok(f) => { let cb: Symbol<FuncOnFilterFunction> = f; cb(function, module, program, validator) } Err(_) => true, } }) } fn filter_op( op: &Operation, function: &Function, module: &Module, program: &Program, validator: &Validator, ) -> bool { LIBS.lock().unwrap().iter().all(|lib| unsafe { match lib.get(b"on_filter_op") { Ok(f) => { let cb: Symbol<FuncOnFilterOp> = f; cb(op, function, module, program, validator) } Err(_) => true, } }) } fn validate_program(program: &Program, validator: &Validator) -> SimpleResult<()> { let libs = LIBS.lock().unwrap(); for lib in libs.iter() { unsafe { match lib.get(b"on_validate_program") { Ok(f) => { let cb: Symbol<FuncOnValidateProgram> = f; cb(program, validator) } Err(_) => Ok(()), } }?; } Ok(()) } fn validate_module( module: &Module, program: &Program, validator: &Validator, ) -> SimpleResult<()> { let libs = LIBS.lock().unwrap(); for lib in libs.iter() { unsafe { match lib.get(b"on_validate_module") { Ok(f) => { let cb: Symbol<FuncOnValidateModule> = f; cb(module, program, validator) } Err(_) => Ok(()), } }?; } Ok(()) } fn validate_op( op: &Operation, function: &Function, module: &Module, program: &Program, rule: &Rule, validator: &Validator, ) -> SimpleResult<()> { let libs = LIBS.lock().unwrap(); for lib in libs.iter() { unsafe { match lib.get(b"on_validate_op") { Ok(f) => { let cb: Symbol<FuncOnValidateOp> = f; cb(op, function, module, program, rule, validator) } Err(_) => Ok(()), } }?; } Ok(()) } fn transform_module( module: Module, _program: &Program, _validator: &Validator, ) -> SimpleResult<Module> { transform_module_auto_types(module) } }