Files
revive/crates/llvm-context/src/eravm/context/mod.rs
T
2024-04-17 12:44:54 +02:00

1803 lines
61 KiB
Rust

//!
//! The LLVM IR generator context.
//!
pub mod address_space;
pub mod argument;
pub mod attribute;
pub mod build;
pub mod code_type;
// pub mod debug_info;
pub mod evmla_data;
pub mod function;
pub mod global;
pub mod r#loop;
pub mod pointer;
pub mod solidity_data;
pub mod vyper_data;
pub mod yul_data;
#[cfg(test)]
mod tests;
use std::cell::RefCell;
use std::collections::HashMap;
use std::rc::Rc;
use inkwell::types::BasicType;
use inkwell::values::BasicValue;
use crate::eravm::DebugConfig;
use crate::eravm::Dependency;
use crate::optimizer::settings::Settings as OptimizerSettings;
use crate::optimizer::Optimizer;
use crate::target_machine::target::Target;
use crate::target_machine::TargetMachine;
use self::address_space::AddressSpace;
use self::attribute::Attribute;
use self::build::Build;
use self::code_type::CodeType;
// use self::debug_info::DebugInfo;
use self::evmla_data::EVMLAData;
use self::function::declaration::Declaration as FunctionDeclaration;
use self::function::intrinsics::Intrinsics;
use self::function::llvm_runtime::LLVMRuntime;
use self::function::r#return::Return as FunctionReturn;
use self::function::Function;
use self::global::Global;
use self::pointer::Pointer;
use self::r#loop::Loop;
use self::solidity_data::SolidityData;
use self::vyper_data::VyperData;
use self::yul_data::YulData;
///
/// The LLVM IR generator context.
///
/// It is a not-so-big god-like object glueing all the compilers' complexity and act as an adapter
/// and a superstructure over the inner `inkwell` LLVM context.
///
pub struct Context<'ctx, D>
where
D: Dependency + Clone,
{
/// The inner LLVM context.
llvm: &'ctx inkwell::context::Context,
/// The inner LLVM context builder.
builder: inkwell::builder::Builder<'ctx>,
/// The optimization tools.
optimizer: Optimizer,
/// The current module.
module: inkwell::module::Module<'ctx>,
/// The current contract code type, which can be deploy or runtime.
code_type: Option<CodeType>,
/// The global variables.
globals: HashMap<String, Global<'ctx>>,
/// The LLVM intrinsic functions, defined on the LLVM side.
intrinsics: Intrinsics<'ctx>,
/// The LLVM runtime functions, defined on the LLVM side.
llvm_runtime: LLVMRuntime<'ctx>,
/// The declared functions.
functions: HashMap<String, Rc<RefCell<Function<'ctx>>>>,
/// The current active function.
current_function: Option<Rc<RefCell<Function<'ctx>>>>,
/// The loop context stack.
loop_stack: Vec<Loop<'ctx>>,
/// The project dependency manager. It can be any entity implementing the trait.
/// The manager is used to get information about contracts and their dependencies during
/// the multi-threaded compilation process.
dependency_manager: Option<D>,
/// Whether to append the metadata hash at the end of bytecode.
include_metadata_hash: bool,
/// The debug info of the current module.
// debug_info: DebugInfo<'ctx>,
/// The debug configuration telling whether to dump the needed IRs.
debug_config: Option<DebugConfig>,
/// The Solidity data.
solidity_data: Option<SolidityData>,
/// The Yul data.
yul_data: Option<YulData>,
/// The EVM legacy assembly data.
evmla_data: Option<EVMLAData<'ctx>>,
/// The Vyper data.
vyper_data: Option<VyperData>,
}
impl<'ctx, D> Context<'ctx, D>
where
D: Dependency + Clone,
{
/// The functions hashmap default capacity.
const FUNCTIONS_HASHMAP_INITIAL_CAPACITY: usize = 64;
/// The globals hashmap default capacity.
const GLOBALS_HASHMAP_INITIAL_CAPACITY: usize = 4;
/// The loop stack default capacity.
const LOOP_STACK_INITIAL_CAPACITY: usize = 16;
/// Link in the stdlib module.
fn link_stdlib_module(
llvm: &'ctx inkwell::context::Context,
module: &inkwell::module::Module<'ctx>,
) {
module
.link_in_module(revive_stdlib::module(llvm, "revive_stdlib").unwrap())
.expect("the stdlib module should be linkable");
}
/// Link in the PolkaVM guest module, containing imported and exported functions,
/// and marking them as external (they need to be relocatable as too).
fn link_polkavm_guest_module(
llvm: &'ctx inkwell::context::Context,
module: &inkwell::module::Module<'ctx>,
) {
module
.link_in_module(pallet_contracts_pvm_llapi::module(llvm, "polkavm_guest").unwrap())
.expect("the PolkaVM guest API module should be linkable");
let call_function = module.get_function("call").unwrap();
call_function.add_attribute(
inkwell::attributes::AttributeLoc::Function,
llvm.create_enum_attribute(Attribute::NoReturn as u32, 0),
);
assert!(call_function.get_first_basic_block().is_none());
let deploy_function = module.get_function("deploy").unwrap();
deploy_function.add_attribute(
inkwell::attributes::AttributeLoc::Function,
llvm.create_enum_attribute(Attribute::NoReturn as u32, 0),
);
assert!(deploy_function.get_first_basic_block().is_none());
// TODO: Factor out a list
// Also should be prefixed with double underscores
for name in ["seal_return", "input", "set_storage", "get_storage"] {
let runtime_api_function = module.get_function(name).expect("should be declared");
runtime_api_function.set_linkage(inkwell::module::Linkage::External);
}
}
/// PolkaVM wants PIE code; we set this flag on the module here.
fn set_module_flags(
llvm: &'ctx inkwell::context::Context,
module: &inkwell::module::Module<'ctx>,
) {
module.add_basic_value_flag(
"PIE Level",
inkwell::module::FlagBehavior::Override,
llvm.i32_type().const_int(2, false),
);
}
///
/// Initializes a new LLVM context.
///
pub fn new(
llvm: &'ctx inkwell::context::Context,
module: inkwell::module::Module<'ctx>,
optimizer: Optimizer,
dependency_manager: Option<D>,
include_metadata_hash: bool,
debug_config: Option<DebugConfig>,
) -> Self {
Self::link_stdlib_module(llvm, &module);
Self::link_polkavm_guest_module(llvm, &module);
Self::set_module_flags(llvm, &module);
let intrinsics = Intrinsics::new(llvm, &module);
let llvm_runtime = LLVMRuntime::new(llvm, &module, &optimizer);
Self {
llvm,
builder: llvm.create_builder(),
optimizer,
module,
code_type: None,
globals: HashMap::with_capacity(Self::GLOBALS_HASHMAP_INITIAL_CAPACITY),
intrinsics,
llvm_runtime,
functions: HashMap::with_capacity(Self::FUNCTIONS_HASHMAP_INITIAL_CAPACITY),
current_function: None,
loop_stack: Vec::with_capacity(Self::LOOP_STACK_INITIAL_CAPACITY),
dependency_manager,
include_metadata_hash,
// debug_info,
debug_config,
solidity_data: None,
yul_data: None,
evmla_data: None,
vyper_data: None,
}
}
///
/// Builds the LLVM IR module, returning the build artifacts.
///
pub fn build(
mut self,
contract_path: &str,
metadata_hash: Option<[u8; revive_common::BYTE_LENGTH_FIELD]>,
) -> anyhow::Result<Build> {
let module_clone = self.module.clone();
let target_machine = TargetMachine::new(Target::PVM, self.optimizer.settings())?;
target_machine.set_target_data(self.module());
if let Some(ref debug_config) = self.debug_config {
debug_config.dump_llvm_ir_unoptimized(contract_path, self.module())?;
}
self.verify().map_err(|error| {
anyhow::anyhow!(
"The contract `{}` unoptimized LLVM IR verification error: {}",
contract_path,
error
)
})?;
self.optimizer
.run(&target_machine, self.module())
.map_err(|error| {
anyhow::anyhow!(
"The contract `{}` optimizing error: {}",
contract_path,
error
)
})?;
if let Some(ref debug_config) = self.debug_config {
debug_config.dump_llvm_ir_optimized(contract_path, self.module())?;
}
self.verify().map_err(|error| {
anyhow::anyhow!(
"The contract `{}` optimized LLVM IR verification error: {}",
contract_path,
error
)
})?;
let buffer = target_machine
.write_to_memory_buffer(self.module())
.map_err(|error| {
anyhow::anyhow!(
"The contract `{}` assembly generating error: {}",
contract_path,
error
)
})?;
let assembly_text = revive_linker::link(buffer.as_slice()).map(hex::encode)?;
let build = match crate::eravm::build_assembly_text(
contract_path,
assembly_text.as_str(),
metadata_hash,
self.debug_config(),
) {
Ok(build) => build,
Err(_error)
if self.optimizer.settings() != &OptimizerSettings::size()
&& self.optimizer.settings().is_fallback_to_size_enabled() =>
{
self.optimizer = Optimizer::new(OptimizerSettings::size());
self.module = module_clone;
self.build(contract_path, metadata_hash)?
}
Err(error) => Err(error)?,
};
Ok(build)
}
///
/// Verifies the current LLVM IR module.
///
pub fn verify(&self) -> anyhow::Result<()> {
self.module()
.verify()
.map_err(|error| anyhow::anyhow!(error.to_string()))
}
///
/// Returns the inner LLVM context.
///
pub fn llvm(&self) -> &'ctx inkwell::context::Context {
self.llvm
}
///
/// Returns the LLVM IR builder.
///
pub fn builder(&self) -> &inkwell::builder::Builder<'ctx> {
&self.builder
}
///
/// Returns the current LLVM IR module reference.
///
pub fn module(&self) -> &inkwell::module::Module<'ctx> {
&self.module
}
///
/// Sets the current code type (deploy or runtime).
///
pub fn set_code_type(&mut self, code_type: CodeType) {
self.code_type = Some(code_type);
}
///
/// Returns the current code type (deploy or runtime).
///
pub fn code_type(&self) -> Option<CodeType> {
self.code_type.to_owned()
}
///
/// Returns the pointer to a global variable.
///
pub fn get_global(&self, name: &str) -> anyhow::Result<Global<'ctx>> {
match self.globals.get(name) {
Some(global) => Ok(*global),
None => anyhow::bail!("Global variable {} is not declared", name),
}
}
///
/// Returns the value of a global variable.
///
pub fn get_global_value(
&self,
name: &str,
) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>> {
let global = self.get_global(name)?;
self.build_load(global.into(), name)
}
///
/// Sets the value to a global variable.
///
pub fn set_global<T, V>(&mut self, name: &str, r#type: T, address_space: AddressSpace, value: V)
where
T: BasicType<'ctx> + Clone + Copy,
V: BasicValue<'ctx> + Clone + Copy,
{
match self.globals.get(name) {
Some(global) => {
let global = *global;
self.build_store(global.into(), value).unwrap();
}
None => {
let global = Global::new(self, r#type, address_space, value, name);
self.globals.insert(name.to_owned(), global);
}
}
}
///
/// Returns the LLVM intrinsics collection reference.
///
pub fn intrinsics(&self) -> &Intrinsics<'ctx> {
&self.intrinsics
}
///
/// Returns the LLVM runtime function collection reference.
///
pub fn llvm_runtime(&self) -> &LLVMRuntime<'ctx> {
&self.llvm_runtime
}
/// Declare a function already existing in the module.
pub fn declare_extern_function(
&mut self,
name: &str,
) -> anyhow::Result<Rc<RefCell<Function<'ctx>>>> {
let function = self.module().get_function(name).ok_or_else(|| {
anyhow::anyhow!("Failed to activate an undeclared function `{}`", name)
})?;
let basic_block = self.llvm.append_basic_block(function, name);
let declaration = FunctionDeclaration::new(
self.function_type::<inkwell::types::BasicTypeEnum>(vec![], 0, false),
function,
);
let function = Function::new(
name.to_owned(),
declaration,
FunctionReturn::None,
basic_block,
basic_block,
);
Function::set_default_attributes(self.llvm, function.declaration(), &self.optimizer);
let function = Rc::new(RefCell::new(function));
self.functions.insert(name.to_string(), function.clone());
Ok(function)
}
///
/// Appends a function to the current module.
///
pub fn add_function(
&mut self,
name: &str,
r#type: inkwell::types::FunctionType<'ctx>,
return_values_length: usize,
mut linkage: Option<inkwell::module::Linkage>,
) -> anyhow::Result<Rc<RefCell<Function<'ctx>>>> {
if Function::is_near_call_abi(name) && self.is_system_mode() {
linkage = Some(inkwell::module::Linkage::External);
}
let value = self.module().add_function(name, r#type, linkage);
let entry_block = self.llvm.append_basic_block(value, "entry");
let return_block = self.llvm.append_basic_block(value, "return");
value.set_personality_function(self.llvm_runtime.personality.value);
let r#return = match return_values_length {
0 => FunctionReturn::none(),
1 => {
self.set_basic_block(entry_block);
let pointer = self.build_alloca(self.field_type(), "return_pointer");
FunctionReturn::primitive(pointer)
}
size if name.starts_with(Function::ZKSYNC_NEAR_CALL_ABI_PREFIX) => {
let first_argument = value.get_first_param().expect("Always exists");
let r#type = self.structure_type(vec![self.field_type(); size].as_slice());
let pointer = first_argument.into_pointer_value();
FunctionReturn::compound(Pointer::new(r#type, AddressSpace::Stack, pointer), size)
}
size => {
self.set_basic_block(entry_block);
let pointer = self.build_alloca(
self.structure_type(
vec![self.field_type().as_basic_type_enum(); size].as_slice(),
),
"return_pointer",
);
FunctionReturn::compound(pointer, size)
}
};
let function = Function::new(
name.to_owned(),
FunctionDeclaration::new(r#type, value),
r#return,
entry_block,
return_block,
);
Function::set_default_attributes(self.llvm, function.declaration(), &self.optimizer);
if Function::is_near_call_abi(function.name()) && self.is_system_mode() {
Function::set_exception_handler_attributes(self.llvm, function.declaration());
}
let function = Rc::new(RefCell::new(function));
self.functions.insert(name.to_string(), function.clone());
Ok(function)
}
///
/// Returns a shared reference to the specified function.
///
pub fn get_function(&self, name: &str) -> Option<Rc<RefCell<Function<'ctx>>>> {
self.functions.get(name).cloned()
}
///
/// Returns a shared reference to the current active function.
///
pub fn current_function(&self) -> Rc<RefCell<Function<'ctx>>> {
self.current_function
.clone()
.expect("Must be declared before use")
}
///
/// Sets the current active function.
///
pub fn set_current_function(&mut self, name: &str) -> anyhow::Result<()> {
let function = self.functions.get(name).cloned().ok_or_else(|| {
anyhow::anyhow!("Failed to activate an undeclared function `{}`", name)
})?;
self.current_function = Some(function);
Ok(())
}
///
/// Pushes a new loop context to the stack.
///
pub fn push_loop(
&mut self,
body_block: inkwell::basic_block::BasicBlock<'ctx>,
continue_block: inkwell::basic_block::BasicBlock<'ctx>,
join_block: inkwell::basic_block::BasicBlock<'ctx>,
) {
self.loop_stack
.push(Loop::new(body_block, continue_block, join_block));
}
///
/// Pops the current loop context from the stack.
///
pub fn pop_loop(&mut self) {
self.loop_stack.pop();
}
///
/// Returns the current loop context.
///
pub fn r#loop(&self) -> &Loop<'ctx> {
self.loop_stack
.last()
.expect("The current context is not in a loop")
}
///
/// Compiles a contract dependency, if the dependency manager is set.
///
pub fn compile_dependency(&mut self, name: &str) -> anyhow::Result<String> {
if let Some(vyper_data) = self.vyper_data.as_mut() {
vyper_data.set_is_forwarder_used();
}
self.dependency_manager
.to_owned()
.ok_or_else(|| anyhow::anyhow!("The dependency manager is unset"))
.and_then(|manager| {
Dependency::compile(
manager,
name,
self.optimizer.settings().to_owned(),
self.yul_data
.as_ref()
.map(|data| data.is_system_mode())
.unwrap_or_default(),
self.include_metadata_hash,
self.debug_config.clone(),
)
})
}
///
/// Gets a full contract_path from the dependency manager.
///
pub fn resolve_path(&self, identifier: &str) -> anyhow::Result<String> {
self.dependency_manager
.to_owned()
.ok_or_else(|| anyhow::anyhow!("The dependency manager is unset"))
.and_then(|manager| {
let full_path = manager.resolve_path(identifier)?;
Ok(full_path)
})
}
///
/// Gets a deployed library address from the dependency manager.
///
pub fn resolve_library(&self, path: &str) -> anyhow::Result<inkwell::values::IntValue<'ctx>> {
self.dependency_manager
.to_owned()
.ok_or_else(|| anyhow::anyhow!("The dependency manager is unset"))
.and_then(|manager| {
let address = manager.resolve_library(path)?;
let address = self.field_const_str_hex(address.as_str());
Ok(address)
})
}
///
/// Extracts the dependency manager.
///
pub fn take_dependency_manager(&mut self) -> D {
self.dependency_manager
.take()
.expect("The dependency manager is unset")
}
///
/// Returns the debug config reference.
///
pub fn debug_config(&self) -> Option<&DebugConfig> {
self.debug_config.as_ref()
}
///
/// Appends a new basic block to the current function.
///
pub fn append_basic_block(&self, name: &str) -> inkwell::basic_block::BasicBlock<'ctx> {
self.llvm
.append_basic_block(self.current_function().borrow().declaration().value, name)
}
///
/// Sets the current basic block.
///
pub fn set_basic_block(&self, block: inkwell::basic_block::BasicBlock<'ctx>) {
self.builder.position_at_end(block);
}
///
/// Returns the current basic block.
///
pub fn basic_block(&self) -> inkwell::basic_block::BasicBlock<'ctx> {
self.builder.get_insert_block().expect("Always exists")
}
///
/// Builds a stack allocation instruction.
///
/// Sets the alignment to 128 bits.
///
pub fn build_alloca<T: BasicType<'ctx> + Clone + Copy>(
&self,
r#type: T,
name: &str,
) -> Pointer<'ctx> {
let pointer = self.builder.build_alloca(r#type, name).unwrap();
self.basic_block()
.get_last_instruction()
.expect("Always exists")
.set_alignment(revive_common::BYTE_LENGTH_STACK_ALIGN as u32)
.expect("Alignment is valid");
Pointer::new(r#type, AddressSpace::Stack, pointer)
}
///
/// Builds a stack load instruction.
///
/// Sets the alignment to 256 bits for the stack and 1 bit for the heap, parent, and child.
///
pub fn build_load(
&self,
pointer: Pointer<'ctx>,
name: &str,
) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>> {
match pointer.address_space {
AddressSpace::Heap => {
let heap_pointer = self.build_heap_gep(
self.builder().build_ptr_to_int(
pointer.value,
self.xlen_type(),
"offset_ptrtoint",
)?,
pointer
.r#type
.size_of()
.expect("should be IntValue")
.const_truncate(self.xlen_type()),
)?;
let value = self
.builder()
.build_load(pointer.r#type, heap_pointer.value, name)?;
self.basic_block()
.get_last_instruction()
.expect("Always exists")
.set_alignment(revive_common::BYTE_LENGTH_BYTE as u32)
.expect("Alignment is valid");
Ok(self.build_byte_swap(value))
}
AddressSpace::TransientStorage => todo!(),
AddressSpace::Storage => {
let storage_key_value = self.builder().build_ptr_to_int(
pointer.value,
self.field_type(),
"storage_ptr_to_int",
)?;
let storage_key_pointer =
self.build_alloca(storage_key_value.get_type(), "storage_key");
let storage_key_pointer_casted = self.builder().build_ptr_to_int(
storage_key_pointer.value,
self.xlen_type(),
"storage_key_pointer_casted",
)?;
let storage_value_pointer = self.build_alloca(self.field_type(), "storage_value");
let storage_value_pointer_casted = self.builder().build_ptr_to_int(
storage_value_pointer.value,
self.xlen_type(),
"storage_value_pointer_casted",
)?;
let storage_value_length_pointer =
self.build_alloca(self.xlen_type(), "out_len_ptr");
let storage_value_length_pointer_casted = self.builder().build_ptr_to_int(
storage_value_length_pointer.value,
self.xlen_type(),
"storage_value_length_pointer_cast",
)?;
self.builder()
.build_store(storage_key_pointer.value, storage_key_value)?;
self.builder().build_store(
storage_value_length_pointer.value,
self.integer_const(32, revive_common::BIT_LENGTH_FIELD as u64),
)?;
let runtime_api = self
.module()
.get_function("get_storage")
.expect("should be declared");
let arguments = &[
storage_key_pointer_casted.into(),
self.integer_const(32, 32).into(),
storage_value_pointer_casted.into(),
storage_value_length_pointer_casted.into(),
];
let _ = self
.builder()
.build_call(runtime_api, arguments, "call_seal_get_storage")?
.try_as_basic_value()
.left()
.expect("should not be a void function type");
// TODO check return value
self.build_load(storage_value_pointer, "storage_value_load")
.map(|value| self.build_byte_swap(value))
}
AddressSpace::Code | AddressSpace::HeapAuxiliary => todo!(),
AddressSpace::Generic => Ok(self.build_byte_swap(self.build_load(
pointer.address_space_cast(self, AddressSpace::Stack, &format!("{}_cast", name))?,
name,
)?)),
AddressSpace::Stack => {
let value = self
.builder()
.build_load(pointer.r#type, pointer.value, name)?;
self.basic_block()
.get_last_instruction()
.expect("Always exists")
.set_alignment(revive_common::BYTE_LENGTH_STACK_ALIGN as u32)
.expect("Alignment is valid");
Ok(value)
}
}
}
///
/// Builds a stack store instruction.
///
/// Sets the alignment to 256 bits for the stack and 1 bit for the heap, parent, and child.
///
pub fn build_store<V>(&self, pointer: Pointer<'ctx>, value: V) -> anyhow::Result<()>
where
V: BasicValue<'ctx>,
{
match pointer.address_space {
AddressSpace::Heap => {
let heap_pointer = self.build_heap_gep(
self.builder().build_ptr_to_int(
pointer.value,
self.xlen_type(),
"offset_ptrtoint",
)?,
value
.as_basic_value_enum()
.get_type()
.size_of()
.expect("should be IntValue")
.const_truncate(self.xlen_type()),
)?;
let value = value.as_basic_value_enum();
let value = match value.get_type().into_int_type().get_bit_width() as usize {
revive_common::BIT_LENGTH_FIELD => self.build_byte_swap(value),
revive_common::BIT_LENGTH_BYTE => value,
_ => unreachable!("Only word and byte sized values can be stored on EVM heap"),
};
self.builder
.build_store(heap_pointer.value, value)?
.set_alignment(revive_common::BYTE_LENGTH_BYTE as u32)
.expect("Alignment is valid");
}
AddressSpace::TransientStorage => todo!(),
AddressSpace::Storage => {
// TODO: Tests, factor out into dedicated functions
let storage_key_value = self.builder().build_ptr_to_int(
pointer.value,
self.field_type(),
"storage_ptr_to_int",
)?;
let storage_key_pointer =
self.build_alloca(storage_key_value.get_type(), "storage_key");
let storage_value_value = self
.build_byte_swap(value.as_basic_value_enum())
.into_int_value();
let storage_value_pointer =
self.build_alloca(storage_value_value.get_type(), "storage_value");
let storage_key_pointer_casted = self.builder().build_ptr_to_int(
storage_key_pointer.value,
self.xlen_type(),
"storage_key_pointer_casted",
)?;
let storage_value_pointer_casted = self.builder().build_ptr_to_int(
storage_value_pointer.value,
self.xlen_type(),
"storage_value_pointer_casted",
)?;
self.builder()
.build_store(storage_key_pointer.value, storage_key_value)?;
self.builder()
.build_store(storage_value_pointer.value, storage_value_value)?;
let runtime_api = self
.module()
.get_function("set_storage")
.expect("should be declared");
let arguments = &[
storage_key_pointer_casted.into(),
self.integer_const(32, 32).into(),
storage_value_pointer_casted.into(),
self.integer_const(32, 32).into(),
];
self.builder()
.build_call(runtime_api, arguments, "call_seal_set_storage")?;
}
AddressSpace::Code | AddressSpace::HeapAuxiliary => {}
AddressSpace::Generic => self.build_store(
pointer.address_space_cast(self, AddressSpace::Stack, "cast")?,
self.build_byte_swap(value.as_basic_value_enum()),
)?,
AddressSpace::Stack => {
let instruction = self.builder.build_store(pointer.value, value).unwrap();
instruction
.set_alignment(revive_common::BYTE_LENGTH_STACK_ALIGN as u32)
.expect("Alignment is valid");
}
};
Ok(())
}
/// Swap the endianness of an intvalue
pub fn build_byte_swap(
&self,
value: inkwell::values::BasicValueEnum<'ctx>,
) -> inkwell::values::BasicValueEnum<'ctx> {
self.build_call(self.intrinsics().byte_swap, &[value], "call_byte_swap")
.expect("byte_swap should return a value")
}
///
/// Builds a GEP instruction.
///
pub fn build_gep<T>(
&self,
pointer: Pointer<'ctx>,
indexes: &[inkwell::values::IntValue<'ctx>],
element_type: T,
name: &str,
) -> Pointer<'ctx>
where
T: BasicType<'ctx>,
{
assert_ne!(pointer.address_space, AddressSpace::Storage);
assert_ne!(pointer.address_space, AddressSpace::TransientStorage);
let value = unsafe {
self.builder
.build_gep(pointer.r#type, pointer.value, indexes, name)
.unwrap()
};
Pointer::new(element_type, pointer.address_space, value)
}
///
/// Builds a conditional branch.
///
/// Checks if there are no other terminators in the block.
///
pub fn build_conditional_branch(
&self,
comparison: inkwell::values::IntValue<'ctx>,
then_block: inkwell::basic_block::BasicBlock<'ctx>,
else_block: inkwell::basic_block::BasicBlock<'ctx>,
) -> anyhow::Result<()> {
if self.basic_block().get_terminator().is_some() {
return Ok(());
}
self.builder
.build_conditional_branch(comparison, then_block, else_block)?;
Ok(())
}
///
/// Builds an unconditional branch.
///
/// Checks if there are no other terminators in the block.
///
pub fn build_unconditional_branch(
&self,
destination_block: inkwell::basic_block::BasicBlock<'ctx>,
) {
if self.basic_block().get_terminator().is_some() {
return;
}
self.builder
.build_unconditional_branch(destination_block)
.unwrap();
}
///
/// Builds a call.
///
pub fn build_call(
&self,
function: FunctionDeclaration<'ctx>,
arguments: &[inkwell::values::BasicValueEnum<'ctx>],
name: &str,
) -> Option<inkwell::values::BasicValueEnum<'ctx>> {
let arguments_wrapped: Vec<inkwell::values::BasicMetadataValueEnum> = arguments
.iter()
.copied()
.map(inkwell::values::BasicMetadataValueEnum::from)
.collect();
let call_site_value = self
.builder
.build_indirect_call(
function.r#type,
function.value.as_global_value().as_pointer_value(),
arguments_wrapped.as_slice(),
name,
)
.unwrap();
self.modify_call_site_value(arguments, call_site_value, function);
call_site_value.try_as_basic_value().left()
}
///
/// Builds an invoke.
///
/// Is defaulted to a call if there is no global exception handler.
///
pub fn build_invoke(
&self,
function: FunctionDeclaration<'ctx>,
arguments: &[inkwell::values::BasicValueEnum<'ctx>],
name: &str,
) -> Option<inkwell::values::BasicValueEnum<'ctx>> {
if !self
.functions
.contains_key(Function::ZKSYNC_NEAR_CALL_ABI_EXCEPTION_HANDLER)
{
return self.build_call(function, arguments, name);
}
let return_pointer = if let Some(r#type) = function.r#type.get_return_type() {
let pointer = self.build_alloca(r#type, "invoke_return_pointer");
self.build_store(pointer, r#type.const_zero()).unwrap();
Some(pointer)
} else {
None
};
let success_block = self.append_basic_block("invoke_success_block");
let catch_block = self.append_basic_block("invoke_catch_block");
let current_block = self.basic_block();
self.set_basic_block(catch_block);
let landing_pad_type = self.structure_type(&[
self.llvm()
.ptr_type(AddressSpace::Stack.into())
.as_basic_type_enum(),
self.integer_type(revive_common::BIT_LENGTH_X32)
.as_basic_type_enum(),
]);
self.builder
.build_landing_pad(
landing_pad_type,
self.llvm_runtime.personality.value,
&[self
.llvm()
.ptr_type(AddressSpace::Stack.into())
.const_zero()
.as_basic_value_enum()],
false,
"invoke_catch_landing",
)
.unwrap();
crate::eravm::utils::throw(self);
self.set_basic_block(current_block);
let call_site_value = self
.builder
.build_indirect_invoke(
function.r#type,
function.value.as_global_value().as_pointer_value(),
arguments,
success_block,
catch_block,
name,
)
.unwrap();
self.modify_call_site_value(arguments, call_site_value, function);
self.set_basic_block(success_block);
if let (Some(return_pointer), Some(mut return_value)) =
(return_pointer, call_site_value.try_as_basic_value().left())
{
if let Some(return_type) = function.r#type.get_return_type() {
if return_type.is_pointer_type() {
return_value = self
.builder()
.build_int_to_ptr(
return_value.into_int_value(),
return_type.into_pointer_type(),
format!("{name}_invoke_return_pointer_casted").as_str(),
)
.unwrap()
.as_basic_value_enum();
}
}
self.build_store(return_pointer, return_value).unwrap();
}
return_pointer.map(|pointer| self.build_load(pointer, "invoke_result").unwrap())
}
///
/// Builds an invoke of local call covered with an exception handler.
///
/// Yul does not the exception handling, so the user can declare a special handling function
/// called (see constant `ZKSYNC_NEAR_CALL_ABI_EXCEPTION_HANDLER`. If the enclosed function
/// panics, the control flow will be transferred to the exception handler.
///
pub fn build_invoke_near_call_abi(
&self,
_function: FunctionDeclaration<'ctx>,
_arguments: Vec<inkwell::values::BasicValueEnum<'ctx>>,
_name: &str,
) -> Option<inkwell::values::BasicValueEnum<'ctx>> {
unimplemented!()
}
///
/// Builds a memory copy call.
///
/// Sets the alignment to `1`, since all non-stack memory pages have such alignment.
///
pub fn build_memcpy(
&self,
_function: FunctionDeclaration<'ctx>,
destination: Pointer<'ctx>,
source: Pointer<'ctx>,
size: inkwell::values::IntValue<'ctx>,
_name: &str,
) -> anyhow::Result<()> {
let _ = self
.builder()
.build_memcpy(destination.value, 1, source.value, 1, size)?;
Ok(())
}
///
/// Builds a memory copy call for the return data.
///
/// Sets the output length to `min(output_length, return_data_size` and calls the default
/// generic page memory copy builder.
///
pub fn build_memcpy_return_data(
&self,
function: FunctionDeclaration<'ctx>,
destination: Pointer<'ctx>,
source: Pointer<'ctx>,
size: inkwell::values::IntValue<'ctx>,
name: &str,
) -> anyhow::Result<()> {
let pointer_casted = self.builder.build_ptr_to_int(
source.value,
self.field_type(),
format!("{name}_pointer_casted").as_str(),
)?;
let return_data_size_shifted = self.builder.build_right_shift(
pointer_casted,
self.field_const((revive_common::BIT_LENGTH_X32 * 3) as u64),
false,
format!("{name}_return_data_size_shifted").as_str(),
)?;
let return_data_size_truncated = self.builder.build_and(
return_data_size_shifted,
self.field_const(u32::MAX as u64),
format!("{name}_return_data_size_truncated").as_str(),
)?;
let is_return_data_size_lesser = self.builder.build_int_compare(
inkwell::IntPredicate::ULT,
return_data_size_truncated,
size,
format!("{name}_is_return_data_size_lesser").as_str(),
)?;
let min_size = self
.builder
.build_select(
is_return_data_size_lesser,
return_data_size_truncated,
size,
format!("{name}_min_size").as_str(),
)?
.into_int_value();
self.build_memcpy(function, destination, source, min_size, name)?;
Ok(())
}
///
/// Builds a return.
///
/// Checks if there are no other terminators in the block.
///
pub fn build_return(&self, value: Option<&dyn BasicValue<'ctx>>) {
if self.basic_block().get_terminator().is_some() {
return;
}
self.builder.build_return(value).unwrap();
}
///
/// Builds an unreachable.
///
/// Checks if there are no other terminators in the block.
///
pub fn build_unreachable(&self) {
if self.basic_block().get_terminator().is_some() {
return;
}
self.builder.build_unreachable().unwrap();
}
///
/// Builds a long contract exit sequence.
///
/// The deploy code does not return the runtime code like in EVM. Instead, it returns some
/// additional contract metadata, e.g. the array of immutables.
/// The deploy code uses the auxiliary heap for the return, because otherwise it is not possible
/// to allocate memory together with the Yul allocator safely.
///
pub fn build_exit(
&self,
flags: inkwell::values::IntValue<'ctx>,
offset: inkwell::values::IntValue<'ctx>,
length: inkwell::values::IntValue<'ctx>,
) -> anyhow::Result<()> {
// TODO:
//let return_forward_mode = if self.code_type() == Some(CodeType::Deploy)
// && return_function == self.llvm_runtime().r#return
//{
// zkevm_opcode_defs::RetForwardPageType::UseAuxHeap
//} else {
// zkevm_opcode_defs::RetForwardPageType::UseHeap
//};
let offset_truncated = self.safe_truncate_int_to_i32(offset)?;
let length_truncated = self.safe_truncate_int_to_i32(length)?;
let offset_into_heap = self.build_heap_gep(offset_truncated, length_truncated)?;
let length_pointer = self.safe_truncate_int_to_i32(length)?;
let offset_pointer = self.builder().build_ptr_to_int(
offset_into_heap.value,
self.xlen_type(),
"return_data_ptr_to_int",
)?;
self.builder().build_call(
self.module().get_function("seal_return").unwrap(),
&[flags.into(), offset_pointer.into(), length_pointer.into()],
"seal_return",
)?;
self.build_unreachable();
Ok(())
}
/// Truncate a memory offset into 32 bits, trapping if it doesn't fit.
///
/// Pointers are represented as opaque 256 bit integer values in EVM.
/// In practice, they should never exceed a 32 bit value. However, we
/// still protect against this possibility here.
pub fn safe_truncate_int_to_i32(
&self,
value: inkwell::values::IntValue<'ctx>,
) -> anyhow::Result<inkwell::values::IntValue<'ctx>> {
let truncated = self.builder().build_int_truncate_or_bit_cast(
value,
self.xlen_type(),
"offset_truncated",
)?;
let extended = self.builder().build_int_z_extend_or_bit_cast(
truncated,
self.field_type(),
"offset_extended",
)?;
let is_overflow = self.builder().build_int_compare(
inkwell::IntPredicate::NE,
value,
extended,
"compare_truncated_extended",
)?;
let continue_block = self.append_basic_block("offset_pointer_ok");
let trap_block = self.append_basic_block("offset_pointer_overflow");
self.build_conditional_branch(is_overflow, trap_block, continue_block)?;
self.set_basic_block(trap_block);
self.build_call(self.intrinsics().trap, &[], "invalid_trap");
self.build_unreachable();
self.set_basic_block(continue_block);
Ok(truncated)
}
/// Build a call to PolkaVM `sbrk` for extending the heap by `size`.
pub fn build_sbrk(
&self,
size: inkwell::values::IntValue<'ctx>,
) -> anyhow::Result<inkwell::values::PointerValue<'ctx>> {
Ok(self
.builder()
.build_call(
self.module().get_function("__sbrk").expect("is declared"),
&[size.into()],
"call_sbrk",
)?
.try_as_basic_value()
.left()
.expect("sbrk returns a pointer")
.into_pointer_value())
}
/// Call PolkaVM `sbrk` for extending the heap by `size`,
/// trapping the contract if the call failed.
///
/// Returns the end of memory pointer.
pub fn build_heap_alloc(
&self,
size: inkwell::values::IntValue<'ctx>,
) -> anyhow::Result<inkwell::values::PointerValue<'ctx>> {
let end_of_memory = self.build_sbrk(size)?;
let return_is_nil = self.builder().build_int_compare(
inkwell::IntPredicate::EQ,
end_of_memory,
self.llvm().ptr_type(Default::default()).const_null(),
"compare_end_of_memory_nil",
)?;
let continue_block = self.append_basic_block("sbrk_not_nil");
let trap_block = self.append_basic_block("sbrk_nil");
self.build_conditional_branch(return_is_nil, trap_block, continue_block)?;
self.set_basic_block(trap_block);
self.build_call(self.intrinsics().trap, &[], "invalid_trap");
self.build_unreachable();
self.set_basic_block(continue_block);
Ok(end_of_memory)
}
/// Returns a pointer to `offset` into the heap, allocating
/// enough memory if `offset + length` would be out of bounds.
///
/// # Panics
/// Assumes `offset` and `length` to be an i32 value.
pub fn build_heap_gep(
&self,
offset: inkwell::values::IntValue<'ctx>,
length: inkwell::values::IntValue<'ctx>,
) -> anyhow::Result<Pointer<'ctx>> {
assert_eq!(offset.get_type(), self.xlen_type());
assert_eq!(length.get_type(), self.xlen_type());
let heap_start = self
.get_global(crate::eravm::GLOBAL_HEAP_MEMORY_POINTER)?
.value
.as_pointer_value();
let heap_end = self.build_sbrk(self.integer_const(32, 0))?;
let value_end = self.build_gep(
Pointer::new(self.byte_type(), AddressSpace::Stack, heap_start),
&[self.builder().build_int_nuw_add(offset, length, "end")?],
self.byte_type(),
"heap_end_gep",
);
let is_out_of_bounds = self.builder().build_int_compare(
inkwell::IntPredicate::UGT,
value_end.value,
heap_end,
"is_value_overflowing_heap",
)?;
let out_of_bounds_block = self.append_basic_block("heap_offset_out_of_bounds");
let heap_offset_block = self.append_basic_block("build_heap_pointer");
self.build_conditional_branch(is_out_of_bounds, out_of_bounds_block, heap_offset_block)?;
self.set_basic_block(out_of_bounds_block);
let size = self.builder().build_int_nuw_sub(
self.builder()
.build_ptr_to_int(value_end.value, self.xlen_type(), "value_end")?,
self.builder()
.build_ptr_to_int(heap_end, self.xlen_type(), "heap_end")?,
"heap_alloc_size",
)?;
self.build_heap_alloc(size)?;
self.build_unconditional_branch(heap_offset_block);
self.set_basic_block(heap_offset_block);
Ok(self.build_gep(
Pointer::new(self.byte_type(), AddressSpace::Stack, heap_start),
&[offset],
self.byte_type(),
"heap_offset_via_gep",
))
}
///
/// Writes the ABI pointer to the global variable.
///
pub fn write_abi_pointer(&mut self, pointer: Pointer<'ctx>, global_name: &str) {
self.set_global(
global_name,
self.llvm().ptr_type(AddressSpace::Generic.into()),
AddressSpace::Stack,
pointer.value,
);
}
///
/// Writes the ABI data size to the global variable.
///
pub fn write_abi_data_size(&mut self, _pointer: Pointer<'ctx>, _global_name: &str) {
/*
let abi_pointer_value = self
.builder()
.build_ptr_to_int(pointer.value, self.field_type(), "abi_pointer_value")
.unwrap();
let abi_pointer_value_shifted = self
.builder()
.build_right_shift(
abi_pointer_value,
self.field_const((revive_common::BIT_LENGTH_X32 * 3) as u64),
false,
"abi_pointer_value_shifted",
)
.unwrap();
let abi_length_value = self
.builder()
.build_and(
abi_pointer_value_shifted,
self.field_const(u32::MAX as u64),
"abi_length_value",
)
.unwrap();
self.set_global(
global_name,
self.field_type(),
AddressSpace::Stack,
abi_length_value,
);
*/
}
///
/// Returns a boolean type constant.
///
pub fn bool_const(&self, value: bool) -> inkwell::values::IntValue<'ctx> {
self.bool_type().const_int(u64::from(value), false)
}
///
/// Returns an integer type constant.
///
pub fn integer_const(&self, bit_length: usize, value: u64) -> inkwell::values::IntValue<'ctx> {
self.integer_type(bit_length).const_int(value, false)
}
///
/// Returns a 256-bit field type constant.
///
pub fn field_const(&self, value: u64) -> inkwell::values::IntValue<'ctx> {
self.field_type().const_int(value, false)
}
///
/// Returns a 256-bit field type undefined value.
///
pub fn field_undef(&self) -> inkwell::values::IntValue<'ctx> {
self.field_type().get_undef()
}
///
/// Returns a field type constant from a decimal string.
///
pub fn field_const_str_dec(&self, value: &str) -> inkwell::values::IntValue<'ctx> {
self.field_type()
.const_int_from_string(value, inkwell::types::StringRadix::Decimal)
.unwrap_or_else(|| panic!("Invalid string constant `{value}`"))
}
///
/// Returns a field type constant from a hexadecimal string.
///
pub fn field_const_str_hex(&self, value: &str) -> inkwell::values::IntValue<'ctx> {
self.field_type()
.const_int_from_string(
value.strip_prefix("0x").unwrap_or(value),
inkwell::types::StringRadix::Hexadecimal,
)
.unwrap_or_else(|| panic!("Invalid string constant `{value}`"))
}
///
/// Returns the void type.
///
pub fn void_type(&self) -> inkwell::types::VoidType<'ctx> {
self.llvm.void_type()
}
///
/// Returns the boolean type.
///
pub fn bool_type(&self) -> inkwell::types::IntType<'ctx> {
self.llvm.bool_type()
}
///
/// Returns the default byte type.
///
pub fn byte_type(&self) -> inkwell::types::IntType<'ctx> {
self.llvm
.custom_width_int_type(revive_common::BIT_LENGTH_BYTE as u32)
}
///
/// Returns the integer type of the specified bit-length.
///
pub fn integer_type(&self, bit_length: usize) -> inkwell::types::IntType<'ctx> {
self.llvm.custom_width_int_type(bit_length as u32)
}
/// Returns the register witdh sized type.
pub fn xlen_type(&self) -> inkwell::types::IntType<'ctx> {
self.llvm.custom_width_int_type(crate::eravm::XLEN as u32)
}
///
/// Returns the default field type.
///
pub fn field_type(&self) -> inkwell::types::IntType<'ctx> {
self.llvm
.custom_width_int_type(revive_common::BIT_LENGTH_FIELD as u32)
}
///
/// Returns the array type with the specified length.
///
pub fn array_type<T>(&self, element_type: T, length: usize) -> inkwell::types::ArrayType<'ctx>
where
T: BasicType<'ctx>,
{
element_type.array_type(length as u32)
}
///
/// Returns the structure type with specified fields.
///
pub fn structure_type<T>(&self, field_types: &[T]) -> inkwell::types::StructType<'ctx>
where
T: BasicType<'ctx>,
{
let field_types: Vec<inkwell::types::BasicTypeEnum<'ctx>> =
field_types.iter().map(T::as_basic_type_enum).collect();
self.llvm.struct_type(field_types.as_slice(), false)
}
///
/// Returns a Yul function type with the specified arguments and number of return values.
///
pub fn function_type<T>(
&self,
argument_types: Vec<T>,
return_values_size: usize,
is_near_call_abi: bool,
) -> inkwell::types::FunctionType<'ctx>
where
T: BasicType<'ctx>,
{
let mut argument_types: Vec<inkwell::types::BasicMetadataTypeEnum> = argument_types
.as_slice()
.iter()
.map(T::as_basic_type_enum)
.map(inkwell::types::BasicMetadataTypeEnum::from)
.collect();
match return_values_size {
0 => self
.llvm
.void_type()
.fn_type(argument_types.as_slice(), false),
1 => self.field_type().fn_type(argument_types.as_slice(), false),
_size if is_near_call_abi && self.is_system_mode() => {
let return_type = self.llvm().ptr_type(AddressSpace::Stack.into());
argument_types.insert(0, return_type.as_basic_type_enum().into());
return_type.fn_type(argument_types.as_slice(), false)
}
size => self
.structure_type(vec![self.field_type().as_basic_type_enum(); size].as_slice())
.fn_type(argument_types.as_slice(), false),
}
}
///
/// Modifies the call site value, setting the default attributes.
///
/// The attributes only affect the LLVM optimizations.
///
pub fn modify_call_site_value(
&self,
arguments: &[inkwell::values::BasicValueEnum<'ctx>],
call_site_value: inkwell::values::CallSiteValue<'ctx>,
function: FunctionDeclaration<'ctx>,
) {
for (index, argument) in arguments.iter().enumerate() {
if argument.is_pointer_value() {
call_site_value.set_alignment_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
revive_common::BYTE_LENGTH_STACK_ALIGN as u32,
);
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm
.create_enum_attribute(Attribute::NoAlias as u32, 0),
);
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm
.create_enum_attribute(Attribute::NoCapture as u32, 0),
);
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm.create_enum_attribute(Attribute::NoFree as u32, 0),
);
if function == self.llvm_runtime().mstore8 {
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm
.create_enum_attribute(Attribute::WriteOnly as u32, 0),
);
}
if function == self.llvm_runtime().sha3 {
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm
.create_enum_attribute(Attribute::ReadOnly as u32, 0),
);
}
if Some(argument.get_type()) == function.r#type.get_return_type() {
if function
.r#type
.get_return_type()
.map(|r#type| {
r#type.into_pointer_type().get_address_space()
== AddressSpace::Stack.into()
})
.unwrap_or_default()
{
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm
.create_enum_attribute(Attribute::Returned as u32, 0),
);
}
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm.create_enum_attribute(
Attribute::Dereferenceable as u32,
(revive_common::BIT_LENGTH_FIELD * 2) as u64,
),
);
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Return,
self.llvm.create_enum_attribute(
Attribute::Dereferenceable as u32,
(revive_common::BIT_LENGTH_FIELD * 2) as u64,
),
);
}
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm
.create_enum_attribute(Attribute::NonNull as u32, 0),
);
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Param(index as u32),
self.llvm
.create_enum_attribute(Attribute::NoUndef as u32, 0),
);
}
}
if function
.r#type
.get_return_type()
.map(|r#type| r#type.is_pointer_type())
.unwrap_or_default()
{
call_site_value.set_alignment_attribute(
inkwell::attributes::AttributeLoc::Return,
revive_common::BYTE_LENGTH_STACK_ALIGN as u32,
);
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Return,
self.llvm
.create_enum_attribute(Attribute::NoAlias as u32, 0),
);
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Return,
self.llvm
.create_enum_attribute(Attribute::NonNull as u32, 0),
);
call_site_value.add_attribute(
inkwell::attributes::AttributeLoc::Return,
self.llvm
.create_enum_attribute(Attribute::NoUndef as u32, 0),
);
}
}
///
/// Sets the Solidity data.
///
pub fn set_solidity_data(&mut self, data: SolidityData) {
self.solidity_data = Some(data);
}
///
/// Returns the Solidity data reference.
///
/// # Panics
/// If the Solidity data has not been initialized.
///
pub fn solidity(&self) -> &SolidityData {
self.solidity_data
.as_ref()
.expect("The Solidity data must have been initialized")
}
///
/// Returns the Solidity data mutable reference.
///
/// # Panics
/// If the Solidity data has not been initialized.
///
pub fn solidity_mut(&mut self) -> &mut SolidityData {
self.solidity_data
.as_mut()
.expect("The Solidity data must have been initialized")
}
///
/// Sets the Yul data.
///
pub fn set_yul_data(&mut self, data: YulData) {
self.yul_data = Some(data);
}
///
/// Returns the Yul data reference.
///
/// # Panics
/// If the Yul data has not been initialized.
///
pub fn yul(&self) -> &YulData {
self.yul_data
.as_ref()
.expect("The Yul data must have been initialized")
}
///
/// Returns the Yul data mutable reference.
///
/// # Panics
/// If the Yul data has not been initialized.
///
pub fn yul_mut(&mut self) -> &mut YulData {
self.yul_data
.as_mut()
.expect("The Yul data must have been initialized")
}
///
/// Sets the EVM legacy assembly data.
///
pub fn set_evmla_data(&mut self, data: EVMLAData<'ctx>) {
self.evmla_data = Some(data);
}
///
/// Returns the EVM legacy assembly data reference.
///
/// # Panics
/// If the EVM data has not been initialized.
///
pub fn evmla(&self) -> &EVMLAData<'ctx> {
self.evmla_data
.as_ref()
.expect("The EVMLA data must have been initialized")
}
///
/// Returns the EVM legacy assembly data mutable reference.
///
/// # Panics
/// If the EVM data has not been initialized.
///
pub fn evmla_mut(&mut self) -> &mut EVMLAData<'ctx> {
self.evmla_data
.as_mut()
.expect("The EVMLA data must have been initialized")
}
///
/// Sets the EVM legacy assembly data.
///
pub fn set_vyper_data(&mut self, data: VyperData) {
self.vyper_data = Some(data);
}
///
/// Returns the Vyper data reference.
///
/// # Panics
/// If the Vyper data has not been initialized.
///
pub fn vyper(&self) -> &VyperData {
self.vyper_data
.as_ref()
.expect("The Solidity data must have been initialized")
}
///
/// Returns the current number of immutables values in the contract.
///
/// If the size is set manually, then it is returned. Otherwise, the number of elements in
/// the identifier-to-offset mapping tree is returned.
///
pub fn immutables_size(&self) -> anyhow::Result<usize> {
if let Some(solidity) = self.solidity_data.as_ref() {
Ok(solidity.immutables_size())
} else if let Some(vyper) = self.vyper_data.as_ref() {
Ok(vyper.immutables_size())
} else {
anyhow::bail!("The immutable size data is not available");
}
}
///
/// Whether the system mode is enabled.
///
pub fn is_system_mode(&self) -> bool {
self.yul_data
.as_ref()
.map(|data| data.is_system_mode())
.unwrap_or_default()
}
}