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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| use std::fmt::Write; | ||
|
|
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| use anyhow::{anyhow, Result}; | ||
| use move_core_types::{account_address::AccountAddress, u256}; | ||
| use move_vm_types::values::{Container, ContainerRef, IndexedRef, Value, ValueImpl}; | ||
|
|
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| pub fn print_value(val: &Value) -> String { | ||
| let mut buf = String::new(); | ||
| print_value_impl(&mut buf, &val.0).unwrap(); | ||
| buf | ||
| } | ||
|
|
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| fn print_value_impl<B: Write>(buf: &mut B, val: &ValueImpl) -> Result<()> { | ||
| match val { | ||
| ValueImpl::Invalid => print_invalid(buf), | ||
|
|
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| ValueImpl::U8(x) => print_u8(buf, x), | ||
| ValueImpl::U16(x) => print_u16(buf, x), | ||
| ValueImpl::U32(x) => print_u32(buf, x), | ||
| ValueImpl::U64(x) => print_u64(buf, x), | ||
| ValueImpl::U128(x) => print_u128(buf, x), | ||
| ValueImpl::U256(x) => print_u256(buf, x), | ||
| ValueImpl::Bool(x) => print_bool(buf, x), | ||
| ValueImpl::Address(x) => print_address(buf, x), | ||
|
|
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| ValueImpl::Container(c) => print_container(buf, c), | ||
|
|
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| ValueImpl::ContainerRef(r) => print_container_ref(buf, r), | ||
| ValueImpl::IndexedRef(r) => print_indexed_ref(buf, r), | ||
| } | ||
| } | ||
|
|
||
| fn print_invalid<B: Write>(buf: &mut B) -> Result<()> { | ||
| Ok(write!(buf, "-")?) | ||
| } | ||
|
|
||
| fn print_u8<B: Write>(buf: &mut B, x: &u8) -> Result<()> { | ||
| Ok(write!(buf, "{}", x)?) | ||
| } | ||
|
|
||
| fn print_u16<B: Write>(buf: &mut B, x: &u16) -> Result<()> { | ||
| Ok(write!(buf, "{}", x)?) | ||
| } | ||
|
|
||
| fn print_u32<B: Write>(buf: &mut B, x: &u32) -> Result<()> { | ||
| Ok(write!(buf, "{}", x)?) | ||
| } | ||
|
|
||
| fn print_u64<B: Write>(buf: &mut B, x: &u64) -> Result<()> { | ||
| Ok(write!(buf, "{}", x)?) | ||
| } | ||
|
|
||
| fn print_u128<B: Write>(buf: &mut B, x: &u128) -> Result<()> { | ||
| Ok(write!(buf, "{}", x)?) | ||
| } | ||
|
|
||
| fn print_u256<B: Write>(buf: &mut B, x: &u256::U256) -> Result<()> { | ||
| Ok(write!(buf, "{}", x)?) | ||
| } | ||
|
|
||
| fn print_bool<B: Write>(buf: &mut B, x: &bool) -> Result<()> { | ||
| Ok(write!(buf, "{}", x)?) | ||
| } | ||
|
|
||
| fn print_address<B: Write>(buf: &mut B, x: &AccountAddress) -> Result<()> { | ||
| Ok(write!(buf, "{}", x)?) | ||
| } | ||
|
|
||
| fn print_list<'a, B, I, X, F>(buf: &mut B, begin: &str, items: I, print: F, end: &str) -> Result<()> | ||
| where | ||
| B: Write, | ||
| X: 'a, | ||
| I: IntoIterator<Item = &'a X>, | ||
| F: Fn(&mut B, &X) -> Result<()>, | ||
| { | ||
| write!(buf, "{}", begin)?; | ||
| let mut it = items.into_iter(); | ||
| if let Some(x) = it.next() { | ||
| print(buf, x)?; | ||
| for x in it { | ||
| write!(buf, ", ")?; | ||
| print(buf, x)?; | ||
| } | ||
| } | ||
| write!(buf, "{}", end)?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn print_bytes<B: Write>(buf: &mut B, bytes: &[u8]) -> Result<()> { | ||
| if bytes.is_empty() { | ||
| write!(buf, "\"\"")?; | ||
| } else { | ||
| write!(buf, "0x{}", hex::encode(bytes))?; | ||
| } | ||
|
|
||
| Ok(()) | ||
| } | ||
|
|
||
| fn print_container<B: Write>(buf: &mut B, c: &Container) -> Result<()> { | ||
| match c { | ||
| Container::Vec(r) => print_list(buf, "[", r.borrow().iter(), print_value_impl, "]"), | ||
|
|
||
| Container::Struct(r) => print_list(buf, "{ ", r.borrow().iter(), print_value_impl, " }"), | ||
|
|
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| Container::VecU8(r) => print_bytes(buf, r.borrow().as_ref()), | ||
| Container::VecU16(r) => print_list(buf, "[", r.borrow().iter(), print_u16, "]"), | ||
| Container::VecU32(r) => print_list(buf, "[", r.borrow().iter(), print_u32, "]"), | ||
| Container::VecU64(r) => print_list(buf, "[", r.borrow().iter(), print_u64, "]"), | ||
| Container::VecU128(r) => print_list(buf, "[", r.borrow().iter(), print_u128, "]"), | ||
| Container::VecU256(r) => print_list(buf, "[", r.borrow().iter(), print_u256, "]"), | ||
| Container::VecBool(r) => print_list(buf, "[", r.borrow().iter(), print_bool, "]"), | ||
| Container::VecAddress(r) => print_list(buf, "[", r.borrow().iter(), print_address, "]"), | ||
|
|
||
| Container::Locals(_) => Err(anyhow!("debug print - invalid container: Locals")), | ||
| } | ||
| } | ||
|
|
||
| fn print_container_ref<B: Write>(buf: &mut B, r: &ContainerRef) -> Result<()> { | ||
| let c = match r { | ||
| ContainerRef::Local(container) | ContainerRef::Global { container, .. } => container, | ||
| }; | ||
|
|
||
| print_container(buf, c) | ||
| } | ||
|
|
||
| fn print_slice_elem<B, X, F>(buf: &mut B, v: &[X], idx: usize, print: F) -> Result<()> | ||
| where | ||
| B: Write, | ||
| F: FnOnce(&mut B, &X) -> Result<()>, | ||
| { | ||
| match v.get(idx) { | ||
| Some(x) => print(buf, x), | ||
| None => Err(anyhow!("ref index out of bounds")), | ||
| } | ||
| } | ||
|
|
||
| fn print_indexed_ref<B: Write>(buf: &mut B, r: &IndexedRef) -> Result<()> { | ||
| let idx = r.idx; | ||
| let c = match &r.container_ref { | ||
| ContainerRef::Local(container) | ContainerRef::Global { container, .. } => container, | ||
| }; | ||
|
|
||
| match c { | ||
| Container::Locals(r) | Container::Vec(r) | Container::Struct(r) => { | ||
| print_slice_elem(buf, &r.borrow(), idx, print_value_impl) | ||
| } | ||
|
|
||
| Container::VecU8(r) => print_slice_elem(buf, &r.borrow(), idx, print_u8), | ||
| Container::VecU16(r) => print_slice_elem(buf, &r.borrow(), idx, print_u16), | ||
| Container::VecU32(r) => print_slice_elem(buf, &r.borrow(), idx, print_u32), | ||
| Container::VecU64(r) => print_slice_elem(buf, &r.borrow(), idx, print_u64), | ||
| Container::VecU128(r) => print_slice_elem(buf, &r.borrow(), idx, print_u128), | ||
| Container::VecU256(r) => print_slice_elem(buf, &r.borrow(), idx, print_u256), | ||
| Container::VecBool(r) => print_slice_elem(buf, &r.borrow(), idx, print_bool), | ||
| Container::VecAddress(r) => print_slice_elem(buf, &r.borrow(), idx, print_address), | ||
| } | ||
| } |
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