128 lines
2.3 KiB
Rust
128 lines
2.3 KiB
Rust
//! Evm factory.
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use std::fmt;
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use evm::Evm;
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#[derive(Clone)]
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/// TODO [Tomusdrw] Please document me
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pub enum VMType {
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/// TODO [Tomusdrw] Please document me
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Jit,
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/// TODO [Tomusdrw] Please document me
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Interpreter
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}
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impl fmt::Display for VMType {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}", match *self {
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VMType::Jit => "JIT",
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VMType::Interpreter => "INT"
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})
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}
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}
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impl VMType {
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/// Return all possible VMs (JIT, Interpreter)
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#[cfg(feature="jit")]
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pub fn all() -> Vec<VMType> {
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vec![VMType::Jit, VMType::Interpreter]
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}
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/// Return all possible VMs (Interpreter)
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#[cfg(not(feature="jit"))]
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pub fn all() -> Vec<VMType> {
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vec![VMType::Interpreter]
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}
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}
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/// Evm factory. Creates appropriate Evm.
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pub struct Factory {
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evm : VMType
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}
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impl Factory {
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/// Create fresh instance of VM
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pub fn create(&self) -> Box<Evm> {
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match self.evm {
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VMType::Jit => {
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Factory::jit()
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},
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VMType::Interpreter => {
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Box::new(super::interpreter::Interpreter)
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}
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}
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}
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/// Create new instance of specific `VMType` factory
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pub fn new(evm: VMType) -> Factory {
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Factory {
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evm: evm
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}
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}
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#[cfg(feature = "jit")]
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fn jit() -> Box<Evm> {
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Box::new(super::jit::JitEvm)
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}
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#[cfg(not(feature = "jit"))]
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fn jit() -> Box<Evm> {
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unimplemented!()
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}
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}
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impl Default for Factory {
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/// Returns jitvm factory
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#[cfg(feature = "jit")]
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fn default() -> Factory {
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Factory {
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evm: VMType::Jit
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}
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}
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/// Returns native rust evm factory
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#[cfg(not(feature = "jit"))]
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fn default() -> Factory {
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Factory {
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evm: VMType::Interpreter
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}
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}
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}
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#[test]
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fn test_create_vm() {
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let _vm = Factory::default().create();
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}
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/// Create tests by injecting different VM factories
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#[macro_export]
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macro_rules! evm_test(
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($name_test: ident: $name_jit: ident, $name_int: ident) => {
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#[test]
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#[cfg(feature = "jit")]
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fn $name_jit() {
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$name_test(Factory::new(VMType::Jit));
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}
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#[test]
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fn $name_int() {
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$name_test(Factory::new(VMType::Interpreter));
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}
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}
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);
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/// Create ignored tests by injecting different VM factories
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#[macro_export]
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macro_rules! evm_test_ignore(
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($name_test: ident: $name_jit: ident, $name_int: ident) => {
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#[test]
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#[ignore]
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#[cfg(feature = "jit")]
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fn $name_jit() {
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$name_test(Factory::new(VMType::Jit));
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}
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#[test]
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#[ignore]
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fn $name_int() {
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$name_test(Factory::new(VMType::Interpreter));
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}
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}
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);
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