ITStudio_OUC/OxideJS
Archived
0
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

refactor(emit): 寄存器号 u8→u32 全链放宽，vreg 化去 checkpoint/reg_overflow（B005）

Browse Source
This commit is contained in:
爱特每羊队
2026-08-06 16:31:16 +08:00
parent c52bf6313e
commit 38d6c7a60e
54 changed files with 404 additions and 431 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crates/oxide_bytecode/src/module.rs
+2 -2
View File
@@ -28,7 +28,7 @@ pub enum Constant {
#[derive(Debug, Clone)]
pub struct UpvalueCapture {
pub name: String,
pub enclosing_reg: u8,
pub enclosing_reg: u32,
pub cell_idx: u8,
}
@@ -48,7 +48,7 @@ pub struct CompiledModule {
pub n_registers: u8,
pub n_args: u8,
pub param_base: u8,
pub builtin_reg_map: Vec<(String, u8)>,
pub builtin_reg_map: Vec<(String, u32)>,
pub sub_modules: Vec<CompiledModule>,
/// True when this module is an arrow function body.
/// Arrow functions capture lexical `this` from the enclosing scope.
crates/oxide_emit/src/class/emit.rs
+1 -1
View File
@@ -9,7 +9,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::{Class, ClassElement, MethodDefinitionKind, PropertyKey};
impl Emitter {
pub(crate) fn emit_class(&self, class: &Class, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_class(&self, class: &Class, ctx: &mut CompileCtx) -> Result<u32, String> {
let mut constructor_method = None;
let mut instance_fields = Vec::new();
let mut private_names = Vec::<(String, u32)>::new();
crates/oxide_emit/src/class/field.rs
+7 -4
View File
@@ -10,19 +10,22 @@ impl Emitter {
/// this.y = 1 } static z = this.y + 1` must run in that order). Emitting
/// all fields before all blocks would make `z` read `y` before it is set.
pub(crate) fn emit_class_static_elements(
&self, elements: &[ClassElement], ctor_reg: u8, ctx: &mut CompileCtx,
&self, elements: &[ClassElement], ctor_reg: u32, ctx: &mut CompileCtx,
) -> Result<(), String> {
let saved_static_this = ctx.static_block_this_reg;
ctx.static_block_this_reg = Some(ctor_reg);
// static_block_this_reg 保留 u8（this 槽语义，254 特判），ctor_reg 超 u8 界时报错而非静默截断。
ctx.static_block_this_reg = Some(
u8::try_from(ctor_reg).map_err(|_| format!("class constructor register {ctor_reg} exceeds u8 limit"))?,
);
for element in elements {
match element {
ClassElement::PropertyDefinition(prop) => {
let prop = prop.as_ref();
if prop.r#static {
if let PropertyKey::PrivateIdentifier(private) = &prop.key {
self.emit_private_field_init(Operand::Reg(ctor_reg as u32), private.name.as_str(), prop.value.as_ref(), ctx)?;
self.emit_private_field_init(Operand::Reg(ctor_reg), private.name.as_str(), prop.value.as_ref(), ctx)?;
} else {
self.emit_public_field_init(Operand::Reg(ctor_reg as u32), &prop.key, prop.computed, prop.value.as_ref(), ctx)?;
self.emit_public_field_init(Operand::Reg(ctor_reg), &prop.key, prop.computed, prop.value.as_ref(), ctx)?;
}
}
}
crates/oxide_emit/src/class/header.rs
+1 -1
View File
@@ -5,7 +5,7 @@ use crate::{CompileCtx, Emitter};
impl Emitter {
pub(crate) fn emit_class_header(
&self, class: &oxide_parser::Class, ctx: &mut CompileCtx,
) -> Result<(u8, u8, Option<u8>), String> {
) -> Result<(u32, u32, Option<u32>), String> {
let ctor_reg = ctx.alloc_reg();
let proto_reg = ctx.alloc_reg();
let super_reg = if let Some(super_expr) = &class.super_class {
crates/oxide_emit/src/class/method.rs
+12 -12
View File
@@ -10,7 +10,7 @@ use oxide_parser::{ClassElement, MethodDefinitionKind, PropertyKey};
impl Emitter {
pub(crate) fn emit_class_methods(
&self, elements: &[ClassElement], ctor_reg: u8, proto_reg: u8, self_binding: &[(&str, u8)],
&self, elements: &[ClassElement], ctor_reg: u32, proto_reg: u32, self_binding: &[(&str, u32)],
ctx: &mut CompileCtx,
) -> Result<(), String> {
for element in elements {
@@ -21,7 +21,7 @@ impl Emitter {
}
if matches!(method.key, PropertyKey::PrivateIdentifier(_)) {
let home_reg = if method.r#static { ctor_reg } else { proto_reg };
self.emit_private_method_init(Operand::Reg(home_reg as u32), method, Operand::Reg(home_reg as u32), ctx)?;
self.emit_private_method_init(Operand::Reg(home_reg), method, Operand::Reg(home_reg), ctx)?;
continue;
}
let home_reg = if method.r#static { ctor_reg } else { proto_reg };
@@ -32,13 +32,13 @@ impl Emitter {
self.class_property_name(&method.key)?
};
let accessor_reg =
self.emit_class_method_function(method, &method_name, Operand::Reg(home_reg as u32), ctx, self_binding)?;
self.emit_class_method_function(method, &method_name, Operand::Reg(home_reg), ctx, self_binding)?;
match method.kind {
MethodDefinitionKind::Method => {
if method.computed {
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(home_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(accessor_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(home_reg), Operand::Reg(key_reg), Operand::Reg(accessor_reg)));
} else {
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(home_reg as u32), Operand::Reg(accessor_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(home_reg), Operand::Reg(accessor_reg), Operand::Reg(key_reg)));
}
}
MethodDefinitionKind::Get | MethodDefinitionKind::Set => {
@@ -54,9 +54,9 @@ impl Emitter {
let key_name = self.class_property_name(&method.key)?;
let key_idx = ctx.add_constant(Constant::String(key_name));
ctx.inst(Inst::define_accessor(
Operand::Reg(home_reg as u32),
Operand::Reg(get_reg as u32),
Operand::Reg(set_reg as u32),
Operand::Reg(home_reg),
Operand::Reg(get_reg),
Operand::Reg(set_reg),
key_idx as u32,
));
}
@@ -69,8 +69,8 @@ impl Emitter {
pub(crate) fn emit_class_method_function(
&self, method: &oxide_parser::MethodDefinition, method_name: &str, home_reg: Operand, ctx: &mut CompileCtx,
self_binding: &[(&str, u8)],
) -> Result<u8, String> {
self_binding: &[(&str, u32)],
) -> Result<u32, String> {
let (param_names, body_stmts) = self.extract_function_parts(method.value.as_ref())?;
let saved_instance = ctx.in_instance_method;
let saved_static = ctx.in_static_method;
@@ -90,8 +90,8 @@ impl Emitter {
method_module.needs_home_object = true;
ctx.nested.push(method_module);
let method_reg = ctx.alloc_reg();
ctx.inst(Inst::create_closure(Operand::Reg(method_reg as u32), ctx.nested.len() as u16));
ctx.inst(Inst::new(OpCode::SET_HOME_OBJECT, Operand::Reg(method_reg as u32), home_reg, Operand::None));
ctx.inst(Inst::create_closure(Operand::Reg(method_reg), ctx.nested.len() as u16));
ctx.inst(Inst::new(OpCode::SET_HOME_OBJECT, Operand::Reg(method_reg), home_reg, Operand::None));
Ok(method_reg)
}
}
crates/oxide_emit/src/class/prototype.rs
+12 -12
View File
@@ -8,30 +8,30 @@ use oxide_bytecode::opcode::OpCode;
impl Emitter {
pub(crate) fn emit_class_prototype(
&self, ctor_reg: u8, proto_reg: u8, super_reg: Option<u8>, sub_idx: u16, ctx: &mut CompileCtx,
&self, ctor_reg: u32, proto_reg: u32, super_reg: Option<u32>, sub_idx: u16, ctx: &mut CompileCtx,
) -> Result<(), String> {
ctx.inst(Inst::create_closure(Operand::Reg(ctor_reg as u32), sub_idx));
ctx.inst(Inst::new(OpCode::NEW_OBJECT, Operand::Reg(proto_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::create_closure(Operand::Reg(ctor_reg), sub_idx));
ctx.inst(Inst::new(OpCode::NEW_OBJECT, Operand::Reg(proto_reg), Operand::None, Operand::None));
if let Some(super_reg) = super_reg {
let proto_key_idx = ctx.add_constant(Constant::String("prototype".to_string()));
let parent_proto_key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(parent_proto_key_reg as u32), proto_key_idx));
ctx.inst(Inst::load_const(Operand::Reg(parent_proto_key_reg), proto_key_idx));
let parent_proto_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PROP, Operand::Reg(super_reg as u32), Operand::Reg(parent_proto_reg as u32), Operand::Reg(parent_proto_key_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PROP, Operand::Reg(super_reg), Operand::Reg(parent_proto_reg), Operand::Reg(parent_proto_key_reg)));
let proto_link_idx = ctx.add_constant(Constant::String("__proto__".to_string()));
let proto_link_key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(proto_link_key_reg as u32), proto_link_idx));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(proto_reg as u32), Operand::Reg(parent_proto_reg as u32), Operand::Reg(proto_link_key_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(ctor_reg as u32), Operand::Reg(super_reg as u32), Operand::Reg(proto_link_key_reg as u32)));
ctx.inst(Inst::load_const(Operand::Reg(proto_link_key_reg), proto_link_idx));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(proto_reg), Operand::Reg(parent_proto_reg), Operand::Reg(proto_link_key_reg)));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(ctor_reg), Operand::Reg(super_reg), Operand::Reg(proto_link_key_reg)));
}
let ctor_key_idx = ctx.add_constant(Constant::String("constructor".to_string()));
let ctor_key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(ctor_key_reg as u32), ctor_key_idx));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(proto_reg as u32), Operand::Reg(ctor_reg as u32), Operand::Reg(ctor_key_reg as u32)));
ctx.inst(Inst::load_const(Operand::Reg(ctor_key_reg), ctor_key_idx));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(proto_reg), Operand::Reg(ctor_reg), Operand::Reg(ctor_key_reg)));
let proto_key_idx = ctx.add_constant(Constant::String("prototype".to_string()));
let proto_key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(proto_key_reg as u32), proto_key_idx));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(ctor_reg as u32), Operand::Reg(proto_reg as u32), Operand::Reg(proto_key_reg as u32)));
ctx.inst(Inst::load_const(Operand::Reg(proto_key_reg), proto_key_idx));
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(ctor_reg), Operand::Reg(proto_reg), Operand::Reg(proto_key_reg)));
Ok(())
}
}
crates/oxide_emit/src/emit.rs
+32 -52
View File
@@ -140,9 +140,9 @@ pub struct CompileCtx {
pub(crate) insts: Vec<Inst>,
pub(crate) constants: Vec<Constant>,
constant_map: HashMap<ConstantKey, u16>,
next_reg: u8,
pub(crate) max_regs: u8,
reserved_reg_start: u8,
next_reg: u32,
pub(crate) max_regs: u32,
reserved_reg_start: u32,
pub(crate) labels: LabelCtx,
pub(crate) scopes: ScopeCtx,
pub(crate) nested: Vec<IRFunction>,
@@ -162,9 +162,6 @@ pub struct CompileCtx {
/// 捕获判断（MAKE_CELL / CELL_GET / CELL_SET）与子函数 upvalue cell_idx 统一查此映射，
/// 消除符号表时序依赖与 cell 索引错位。
pub(crate) captured_bindings: BTreeMap<String, u8>,
/// Set when alloc_reg() overflows into the reserved this/new.target range (≥254).
/// Checked after each emit phase to produce a compile error rather than silent corruption.
pub(crate) reg_overflow: bool,
pub(crate) const_overflow: bool,
}
@@ -240,7 +237,6 @@ impl CompileCtx {
current_upvalue_captures: Vec::new(),
own_bindings: HashSet::new(),
captured_bindings: BTreeMap::new(),
reg_overflow: false,
const_overflow: false,
}
}
@@ -249,17 +245,12 @@ impl CompileCtx {
self.insts.push(inst);
}
pub(crate) fn alloc_reg(&mut self) -> u8 {
pub(crate) fn alloc_reg(&mut self) -> u32 {
let r = self.next_reg;
// Registers 254 (this) and 255 (new.target) are reserved by the VM.
// Allocating into them silently corrupts the call convention, turning
// method calls' `this` into garbage. Clamp to 253 and set a flag so
// the compiler can surface a proper error after the emit pass.
if r >= 254 {
self.reg_overflow = true;
return 253; // clamp to last safe register; emit continues but reg_overflow triggers error
}
self.next_reg = self.next_reg.wrapping_add(1);
// vreg 化（D-02）：寄存器号无上限，RegAlloc 阶段负责压缩到物理域（≤253）。
// 254/255 是 VM 保留的 this/new.target，vreg 世界允许虚拟号越过它们，
// 只有 RegAlloc 完成映射后 lower 的物理域检查才相关。
self.next_reg += 1;
if self.next_reg > self.max_regs {
self.max_regs = self.next_reg;
}
@@ -271,15 +262,7 @@ impl CompileCtx {
self.labels.label_counter = 0;
}
pub(crate) fn reg_checkpoint(&self) -> u8 {
self.next_reg
}
pub(crate) fn restore_reg_checkpoint(&mut self, checkpoint: u8) {
self.next_reg = checkpoint;
}
pub(crate) fn reserve_reg(&mut self, reg: u8) {
pub(crate) fn reserve_reg(&mut self, reg: u32) {
let next = reg.wrapping_add(1);
if self.next_reg <= reg {
self.next_reg = next;
@@ -323,13 +306,13 @@ impl CompileCtx {
}
pub(crate) fn declare(
&mut self, name: &str, reg: u8, kind: VariableDeclarationKind, is_const: bool,
&mut self, name: &str, reg: u32, kind: VariableDeclarationKind, is_const: bool,
) -> Result<(), String> {
self.scopes.symbols.declare(name, reg, kind, is_const)
}
pub(crate) fn declare_initialized(
&mut self, name: &str, reg: u8, kind: VariableDeclarationKind, is_const: bool,
&mut self, name: &str, reg: u32, kind: VariableDeclarationKind, is_const: bool,
) -> Result<(), String> {
self.scopes.symbols.declare_initialized(name, reg, kind, is_const)
}
@@ -338,11 +321,11 @@ impl CompileCtx {
self.scopes.symbols.push_scope_with_kind(kind);
}
pub(crate) fn lookup(&self, name: &str) -> Result<u8, String> {
pub(crate) fn lookup(&self, name: &str) -> Result<u32, String> {
self.scopes.symbols.lookup(name)
}
pub(crate) fn lookup_or_builtin(&mut self, name: &str) -> Result<u8, String> {
pub(crate) fn lookup_or_builtin(&mut self, name: &str) -> Result<u32, String> {
match self.scopes.symbols.lookup(name) {
Ok(reg) => Ok(reg),
Err(err) if Self::is_known_builtin(name) && err.contains("is not defined") => {
@@ -355,7 +338,7 @@ impl CompileCtx {
}
}
pub(crate) fn lookup_or_global(&mut self, name: &str) -> u8 {
pub(crate) fn lookup_or_global(&mut self, name: &str) -> u32 {
if let Some(reg) = self.scopes.symbols.lookup_any(name) {
return reg;
}
@@ -465,7 +448,7 @@ impl CompileCtx {
BUILTIN_GLOBALS.contains(&name)
}
fn builtin_reg_floor(&self) -> u8 {
fn builtin_reg_floor(&self) -> u32 {
self.scopes
.builtin_reg_map
.iter()
@@ -513,7 +496,6 @@ impl CompileCtx {
needs_home_object: false,
captured_this_const_idx: 0,
function_name: None,
reg_overflow: self.reg_overflow,
const_overflow: self.const_overflow,
nested: std::mem::take(&mut self.nested),
}
@@ -591,7 +573,7 @@ impl Emitter {
pub(crate) fn compile_function_body_with_bindings<'a>(
&self, param_specs: &[ParamSpec<'a>], body_stmts: &[Statement<'a>], parent_ctx: &CompileCtx,
is_expression_body: bool, extra_bindings: &[(&str, u8)], body_context: FunctionBodyContext,
is_expression_body: bool, extra_bindings: &[(&str, u32)], body_context: FunctionBodyContext,
) -> Result<IRFunction, String> {
self.compile_function_body_with_field_hooks(
param_specs,
@@ -610,14 +592,12 @@ impl Emitter {
/// (expressions, member objects, call args, class fields, etc.) so their
/// register slots are reserved *before* any temporary register is emitted.
///
/// Without this, single-pass emission lazily allocates builtin slots via
/// `lookup_or_builtin` at first use, which can collide with a temporary
/// register already reused by `restore_reg_checkpoint`. Pre-scanning moves
/// builtin slot allocation ahead of the temporary register pool.
/// vreg 化（D-01）后临时值不复用（独立 vreg），但 builtin 槽预注册仍
/// 保证分配序稳定：builtin 槽先于临时值池，nested 继承边界（B012）不受扰。
#[allow(clippy::too_many_arguments)]
pub(crate) fn compile_function_body_with_field_hooks<'a, E>(
&self, param_specs: &[ParamSpec<'a>], body_stmts: &[Statement<'a>], parent_ctx: &CompileCtx,
is_expression_body: bool, extra_bindings: &[(&str, u8)], body_context: FunctionBodyContext,
is_expression_body: bool, extra_bindings: &[(&str, u32)], body_context: FunctionBodyContext,
mut emit_fields: Option<E>, fields_after_super: bool,
) -> Result<IRFunction, String>
where
@@ -647,7 +627,7 @@ impl Emitter {
// Inherit parent's global scope entries so previously-declared function names
// are visible from within the body.
let mut inherited_reg_start = 1u8.max(ctx.builtin_reg_floor());
let mut inherited_reg_start = 1u32.max(ctx.builtin_reg_floor());
for (name, binding) in &parent_ctx.scopes.symbols.scopes[0].bindings {
ctx.scopes.symbols.scopes[0].bindings.insert(
name.clone(),
@@ -718,23 +698,23 @@ impl Emitter {
// statement body returns undefined.
if is_expression_body {
if let Some(reg) = last_result_reg {
ctx.inst(Inst::new(OpCode::RETURN, Operand::Reg(reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::RETURN, Operand::Reg(reg), Operand::None, Operand::None));
} else {
let undef_idx = ctx.add_constant(Constant::Undefined);
let undef_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(undef_reg as u32), undef_idx));
ctx.inst(Inst::new(OpCode::RETURN, Operand::Reg(undef_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::load_const(Operand::Reg(undef_reg), undef_idx));
ctx.inst(Inst::new(OpCode::RETURN, Operand::Reg(undef_reg), Operand::None, Operand::None));
}
} else {
let undef_idx = ctx.add_constant(Constant::Undefined);
let undef_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(undef_reg as u32), undef_idx));
ctx.inst(Inst::new(OpCode::RETURN, Operand::Reg(undef_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::load_const(Operand::Reg(undef_reg), undef_idx));
ctx.inst(Inst::new(OpCode::RETURN, Operand::Reg(undef_reg), Operand::None, Operand::None));
}
let ir = ctx.assemble_ir(
oxide_ir::ParamLayout {
base: param_base as u32,
base: param_base,
count: param_specs.len() as u32,
},
Some(parent_ctx),
@@ -746,7 +726,7 @@ impl Emitter {
fn emit_params_prologue<'a>(
&self, param_specs: &[ParamSpec<'a>], body_stmts: &[Statement<'a>], parent_ctx: &CompileCtx,
ctx: &mut CompileCtx, body_context: FunctionBodyContext,
) -> Result<u8, String> {
) -> Result<u32, String> {
ctx.push_scope_with_kind(ScopeKind::FunctionScope);
let param_base = ctx.next_reg;
@@ -779,7 +759,7 @@ impl Emitter {
}
/// 双 sub-pass emit body：先函数声明（hoisting），再其余语句。返回最后结果寄存器。
fn emit_body_stmts(&self, body_stmts: &[Statement], ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
fn emit_body_stmts(&self, body_stmts: &[Statement], ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let mut last_result_reg = None;
for stmt in body_stmts {
if matches!(stmt, Statement::FunctionDeclaration(_)) {
@@ -799,7 +779,7 @@ impl Emitter {
Ok(last_result_reg)
}
pub(crate) fn emit_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::ExpressionStatement(_) | Statement::ReturnStatement(_) | Statement::EmptyStatement(_) => {
self.emit_basic_domain(stmt, ctx)
@@ -823,7 +803,7 @@ impl Emitter {
}
}
pub(crate) fn emit_expression(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_expression(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::NumericLiteral(_)
| Expression::StringLiteral(_)
@@ -887,7 +867,7 @@ impl Emitter {
}
// Second sub-pass: emit all other statements
let mut last_result: Option<u8> = None;
let mut last_result: Option<u32> = None;
for stmt in &program.body {
if matches!(stmt, Statement::FunctionDeclaration(_)) {
continue; // Already emitted above
@@ -898,7 +878,7 @@ impl Emitter {
}
}
if let Some(r) = last_result {
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::None, Operand::Reg(r as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::None, Operand::Reg(r), Operand::None));
} else {
let undef_idx = ctx.add_constant(Constant::Undefined);
ctx.inst(Inst::load_const(Operand::None, undef_idx));
crates/oxide_emit/src/emit_ctx.rs
+1 -1
View File
@@ -36,7 +36,7 @@ impl LabelCtx {
/// Identifier-binding state: symbols, builtin registers, private names.
pub(crate) struct ScopeCtx {
pub(crate) symbols: SymbolTable,
pub(crate) builtin_reg_map: Vec<(String, u8)>,
pub(crate) builtin_reg_map: Vec<(String, u32)>,
pub(crate) private_name_map: Vec<(String, u32)>,
pub(crate) next_private_name_id: u32,
}
crates/oxide_emit/src/expr/assignment.rs
+23 -23
View File
@@ -11,7 +11,7 @@ use oxide_parser::AssignmentOperator;
impl Emitter {
pub(crate) fn emit_assignment_expression(
&self, assign: &oxide_parser::AssignmentExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
if let oxide_parser::AssignmentTarget::StaticMemberExpression(member) = &assign.left {
if let Some(logical_op) = assign.operator.to_logical_operator() {
let store_label = ctx.next_label_id();
@@ -20,15 +20,15 @@ impl Emitter {
let prop_name = member.property.name.as_str();
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(obj_reg as u32), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(result_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(obj_reg), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(result_reg), Operand::Reg(key_reg)));
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.set_label_pos(store_label, ctx.insts.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
ctx.inst(Inst::ic_set(Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(val_reg as u32), Operand::None));
ctx.inst(Inst::ic_set(Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(val_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
return Ok(result_reg);
}
@@ -37,11 +37,11 @@ impl Emitter {
let prop_name = member.property.name.as_str();
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
if assign.operator != AssignmentOperator::Assign {
let obj = Operand::Reg(obj_reg as u32);
let val = Operand::Reg(val_reg as u32);
let key = Operand::Reg(key_reg as u32);
let obj = Operand::Reg(obj_reg);
let val = Operand::Reg(val_reg);
let key = Operand::Reg(key_reg);
match assign.operator {
AssignmentOperator::Addition => ctx.inst(Inst::compound_member_add(obj, val, key)),
AssignmentOperator::Subtraction => ctx.inst(Inst::compound_member_sub(obj, val, key)),
@@ -53,7 +53,7 @@ impl Emitter {
}
Ok(val_reg)
} else {
ctx.inst(Inst::ic_set(Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::ic_set(Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
Ok(val_reg)
}
} else if let oxide_parser::AssignmentTarget::ComputedMemberExpression(member) = &assign.left {
@@ -63,19 +63,19 @@ impl Emitter {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_expression(&member.expression, ctx)?;
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(result_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(result_reg)));
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.set_label_pos(store_label, ctx.insts.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(val_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(val_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(val_reg)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(val_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
return Ok(result_reg);
}
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_expression(&member.expression, ctx)?;
let val_reg = self.emit_expression(&assign.right, ctx)?;
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(val_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(val_reg)));
Ok(val_reg)
} else if let oxide_parser::AssignmentTarget::PrivateFieldExpression(member) = &assign.left {
if assign.operator != AssignmentOperator::Assign {
@@ -84,7 +84,7 @@ impl Emitter {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let val_reg = self.emit_expression(&assign.right, ctx)?;
let key_reg = self.emit_private_id_reg(member.field.name.as_str(), ctx)?;
ctx.inst(Inst::new(OpCode::SET_PRIVATE, Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PRIVATE, Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
Ok(val_reg)
} else if let oxide_parser::AssignmentTarget::AssignmentTargetIdentifier(id_ref) = &assign.left {
if assign.operator != AssignmentOperator::Assign {
@@ -94,14 +94,14 @@ impl Emitter {
let name = id_ref.name.as_str();
let var_reg = ctx.lookup_or_global(name);
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(var_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(var_reg), Operand::None));
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.set_label_pos(store_label, ctx.insts.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
let is_const = ctx.lookup_const_flag(name);
let const_flag = if is_const { 1 } else { 0 };
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(val_reg as u32), Operand::Imm(const_flag)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(val_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(val_reg), Operand::Imm(const_flag)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(val_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
Ok(result_reg)
} else if assign.operator == AssignmentOperator::Addition
@@ -135,7 +135,7 @@ impl Emitter {
AssignmentOperator::ShiftRightZeroFill => OpCode::COMPOUND_USHR,
_ => return Err(format!("compound assignment operator {:?} not supported", assign.operator)),
};
ctx.inst(Inst::new(op, Operand::Reg(var_reg as u32), Operand::Reg(rhs as u32), Operand::None));
ctx.inst(Inst::new(op, Operand::Reg(var_reg), Operand::Reg(rhs), Operand::None));
Ok(var_reg)
} else {
Err(format!("compound assignment operator {:?} not supported", assign.operator))
@@ -145,18 +145,18 @@ impl Emitter {
let name = id_ref.name.as_str();
// Check if target is an upvalue reference
if let Some(uv_idx) = ctx.current_upvalue_captures.iter().position(|u| u.name == name) {
ctx.inst(Inst::new(OpCode::STORE_UPVALUE, Operand::None, Operand::Reg(val_reg as u32), Operand::Imm(uv_idx as u16)));
ctx.inst(Inst::new(OpCode::STORE_UPVALUE, Operand::None, Operand::Reg(val_reg), Operand::Imm(uv_idx as u16)));
return Ok(val_reg);
}
// Check if target is a captured cell
if let Some(&cell_idx) = ctx.captured_bindings.get(name) {
ctx.inst(Inst::new(OpCode::CELL_SET, Operand::None, Operand::Reg(val_reg as u32), Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(OpCode::CELL_SET, Operand::None, Operand::Reg(val_reg), Operand::Imm(cell_idx as u16)));
return Ok(val_reg);
}
let var_reg = ctx.lookup_or_global(name);
let is_const = ctx.lookup_const_flag(name);
let const_flag = if is_const { 1 } else { 0 };
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(val_reg as u32), Operand::Imm(const_flag)));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(val_reg), Operand::Imm(const_flag)));
Ok(val_reg)
}
} else if matches!(
crates/oxide_emit/src/expr/call.rs
+20 -20
View File
@@ -9,7 +9,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::Expression;
impl Emitter {
fn emit_call_expression(&self, call: &oxide_parser::CallExpression, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_call_expression(&self, call: &oxide_parser::CallExpression, ctx: &mut CompileCtx) -> Result<u32, String> {
if matches!(&call.callee, Expression::Super(_)) {
if !ctx.in_derived_constructor {
return Err("super() only supported in derived constructors".into());
@@ -20,11 +20,11 @@ impl Emitter {
arg_regs.push(self.emit_expression(expr, ctx)?);
}
}
let first_arg_reg = if arg_regs.is_empty() { 0u8 } else { arg_regs[0] };
let first_arg_reg = if arg_regs.is_empty() { 0u32 } else { arg_regs[0] };
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::super_call(
Operand::Reg(result_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(result_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
if let Some(mut field_buffer) = ctx.field_buffer.take() {
@@ -41,14 +41,14 @@ impl Emitter {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_private_id_reg(member.field.name.as_str(), ctx)?;
let callee_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(callee_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(callee_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
(callee_reg, obj_reg)
}
Expression::StaticMemberExpression(member) => {
let is_super_member = matches!(&member.object, Expression::Super(_));
let obj_reg = if is_super_member {
let this_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(this_reg as u32), Operand::This, Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(this_reg), Operand::This, Operand::None));
this_reg
} else {
self.emit_expression(&member.object, ctx)?
@@ -56,7 +56,7 @@ impl Emitter {
let prop_name = member.property.name.as_str();
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
let callee_reg = ctx.alloc_reg();
if is_super_member {
if !ctx.in_instance_method && !ctx.in_static_method && !ctx.in_derived_constructor {
@@ -67,10 +67,10 @@ impl Emitter {
} else {
OpCode::SUPER_GET_PROP
};
ctx.inst(Inst::new(op, Operand::Reg(callee_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(op, Operand::Reg(callee_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
} else {
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(callee_reg as u32), Operand::Reg(obj_reg as u32), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(callee_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(callee_reg), Operand::Reg(obj_reg), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(callee_reg), Operand::Reg(key_reg)));
}
(callee_reg, obj_reg)
}
@@ -78,7 +78,7 @@ impl Emitter {
let callee_reg = self.emit_expression(&call.callee, ctx)?;
let this_idx = ctx.add_constant(Constant::Undefined);
let this_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(this_reg as u32), this_idx));
ctx.inst(Inst::load_const(Operand::Reg(this_reg), this_idx));
(callee_reg, this_reg)
}
};
@@ -88,7 +88,7 @@ impl Emitter {
arg_regs.push(self.emit_expression(expr, ctx)?);
}
}
let first_arg_reg = if arg_regs.is_empty() { 0u8 } else { arg_regs[0] };
let first_arg_reg = if arg_regs.is_empty() { 0u32 } else { arg_regs[0] };
let op = match &call.callee {
Expression::Identifier(ident) if ctx.is_builtin(ident.name.as_str()) => OpCode::CALL_NATIVE,
_ => OpCode::CALL,
@@ -96,28 +96,28 @@ impl Emitter {
match op {
OpCode::CALL => {
ctx.inst(Inst::call(
Operand::Reg(callee_reg as u32),
Operand::Reg(this_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(callee_reg),
Operand::Reg(this_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
}
OpCode::CALL_NATIVE => {
ctx.inst(Inst::call_native(
Operand::Reg(callee_reg as u32),
Operand::Reg(this_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(callee_reg),
Operand::Reg(this_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
}
_ => unreachable!(),
}
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::None, Operand::None));
Ok(result_reg)
}
pub(crate) fn emit_call_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_call_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::CallExpression(call) => self.emit_call_expression(call, ctx),
_ => self.emit_unsupported_expression(expr, ctx),
crates/oxide_emit/src/expr/function/mod.rs
+11 -11
View File
@@ -10,7 +10,7 @@ use oxide_parser::{Class, Expression, Statement};
impl Emitter {
fn emit_arrow_function_expression(
&self, arrow: &oxide_parser::ArrowFunctionExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
// Rest params not yet supported
if let Some(_rest) = &arrow.params.rest {
return Err("rest params in arrow functions not yet supported".into());
@@ -45,11 +45,11 @@ impl Emitter {
let sub_idx = ctx.nested.len() as u16;
let r = ctx.alloc_reg();
ctx.inst(Inst::create_closure(Operand::Reg(r as u32), sub_idx));
ctx.inst(Inst::create_closure(Operand::Reg(r), sub_idx));
Ok(r)
}
fn emit_function_expression(&self, fe: &oxide_parser::Function, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_function_expression(&self, fe: &oxide_parser::Function, ctx: &mut CompileCtx) -> Result<u32, String> {
// FunctionExpression: compile body, emit LOAD_CONST(BytecodeFunc)
let mut param_names = Vec::new();
for (idx, param) in fe.params.items.iter().enumerate() {
@@ -77,15 +77,15 @@ impl Emitter {
let sub_idx = ctx.nested.len() as u16;
let r = ctx.alloc_reg();
ctx.inst(Inst::create_closure(Operand::Reg(r as u32), sub_idx));
ctx.inst(Inst::create_closure(Operand::Reg(r), sub_idx));
Ok(r)
}
fn emit_class_expression(&self, class: &Class, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_class_expression(&self, class: &Class, ctx: &mut CompileCtx) -> Result<u32, String> {
self.emit_class(class, ctx)
}
fn emit_new_expression(&self, ne: &oxide_parser::NewExpression, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_new_expression(&self, ne: &oxide_parser::NewExpression, ctx: &mut CompileCtx) -> Result<u32, String> {
let constructor_reg = self.emit_expression(&ne.callee, ctx)?;
let mut arg_regs = Vec::new();
for arg in &ne.arguments {
@@ -93,18 +93,18 @@ impl Emitter {
arg_regs.push(self.emit_expression(expr, ctx)?);
}
}
let first_arg_reg = if arg_regs.is_empty() { 0u8 } else { arg_regs[0] };
let first_arg_reg = if arg_regs.is_empty() { 0u32 } else { arg_regs[0] };
let r = ctx.alloc_reg();
ctx.inst(Inst::new_expression(
Operand::Reg(r as u32),
Operand::Reg(constructor_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(r),
Operand::Reg(constructor_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
Ok(r)
}
pub(crate) fn emit_function_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_function_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::ArrowFunctionExpression(arrow) => self.emit_arrow_function_expression(arrow, ctx),
Expression::FunctionExpression(fe) => self.emit_function_expression(fe, ctx),
crates/oxide_emit/src/expr/identifier.rs
+5 -5
View File
@@ -8,14 +8,14 @@ use oxide_bytecode::opcode::OpCode;
impl Emitter {
pub(crate) fn emit_identifier_expression(
&self, ident: &oxide_parser::IdentifierReference, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let name = ident.name.as_str();
for (uv_idx, up) in ctx.current_upvalue_captures.iter().enumerate() {
if up.name == name {
let r = ctx.alloc_reg();
let idx = uv_idx as u8;
ctx.inst(Inst::new(OpCode::LOAD_UPVALUE, Operand::Reg(r as u32), Operand::Reg(idx as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_UPVALUE, Operand::Reg(r), Operand::Reg(idx as u32), Operand::None));
return Ok(r);
}
}
@@ -23,16 +23,16 @@ impl Emitter {
if let Some(&cell_idx) = ctx.captured_bindings.get(name) {
let r = ctx.alloc_reg();
if let Some((binding, _)) = ctx.scopes.symbols.lookup_any_binding(name) {
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(r as u32), Operand::Reg(binding.reg as u32), Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(r), Operand::Reg(binding.reg), Operand::Imm(cell_idx as u16)));
} else {
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(r as u32), Operand::None, Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(r), Operand::None, Operand::Imm(cell_idx as u16)));
}
return Ok(r);
}
let var_reg = ctx.lookup_or_builtin(name)?;
let r = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(r as u32), Operand::Reg(var_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(r), Operand::Reg(var_reg), Operand::None));
Ok(r)
}
}
crates/oxide_emit/src/expr/literal.rs
+13 -13
View File
@@ -9,7 +9,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::Expression;
impl Emitter {
pub(crate) fn emit_literal(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_literal(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::NumericLiteral(n) => self.emit_numeric_literal_expression(n, ctx),
Expression::StringLiteral(s) => self.emit_string_literal_expression(s, ctx),
@@ -22,45 +22,45 @@ impl Emitter {
fn emit_numeric_literal_expression(
&self, n: &oxide_parser::NumericLiteral, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let idx = if is_int_literal(n.value) {
ctx.add_constant(Constant::Int(n.value as i32))
} else {
ctx.add_constant(Constant::Number(n.value))
};
let r = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(r as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(r), idx));
Ok(r)
}
fn emit_string_literal_expression(
&self, s: &oxide_parser::StringLiteral, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let idx = ctx.add_constant(Constant::String(s.value.to_string()));
let r = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(r as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(r), idx));
Ok(r)
}
fn emit_boolean_literal_expression(
&self, b: &oxide_parser::BooleanLiteral, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let idx = ctx.add_constant(Constant::Boolean(b.value));
let r = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(r as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(r), idx));
Ok(r)
}
fn emit_null_literal_expression(&self, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_null_literal_expression(&self, ctx: &mut CompileCtx) -> Result<u32, String> {
let idx = ctx.add_constant(Constant::Null);
let r = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(r as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(r), idx));
Ok(r)
}
fn emit_reg_exp_literal_expression(
&self, lit: &oxide_parser::RegExpLiteral, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
if let Some(raw) = &lit.raw {
let raw_str = raw.to_string();
if raw_str.len() >= 2 && raw_str.starts_with('/') {
@@ -69,12 +69,12 @@ impl Emitter {
let flags = raw_str[last_slash + 1..].to_string();
let pat_ci = ctx.add_constant(Constant::String(pattern));
let pat_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(pat_reg as u32), pat_ci));
ctx.inst(Inst::load_const(Operand::Reg(pat_reg), pat_ci));
let flags_ci = ctx.add_constant(Constant::String(flags));
let flags_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(flags_reg as u32), flags_ci));
ctx.inst(Inst::load_const(Operand::Reg(flags_reg), flags_ci));
let r = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::CREATE_REGEXP, Operand::Reg(r as u32), Operand::Reg(pat_reg as u32), Operand::Reg(flags_reg as u32)));
ctx.inst(Inst::new(OpCode::CREATE_REGEXP, Operand::Reg(r), Operand::Reg(pat_reg), Operand::Reg(flags_reg)));
Ok(r)
} else {
Err(format!("unsupported regexp literal: {:?}", lit))
crates/oxide_emit/src/expr/member/mod.rs
+14 -14
View File
@@ -12,7 +12,7 @@ use oxide_parser::Expression;
impl Emitter {
fn emit_static_member_expression(
&self, member: &oxide_parser::StaticMemberExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
if matches!(&member.object, Expression::Super(_)) {
if !ctx.in_instance_method && !ctx.in_static_method && !ctx.in_derived_constructor {
return Err("super property only supported in class methods".into());
@@ -20,62 +20,62 @@ impl Emitter {
let prop_name = member.property.name.as_str();
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
let this_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(this_reg as u32), Operand::This, Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(this_reg), Operand::This, Operand::None));
let result_reg = ctx.alloc_reg();
let op = if ctx.in_static_method {
OpCode::SUPER_STATIC_GET_PROP
} else {
OpCode::SUPER_GET_PROP
};
ctx.inst(Inst::new(op, Operand::Reg(result_reg as u32), Operand::Reg(this_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(op, Operand::Reg(result_reg), Operand::Reg(this_reg), Operand::Reg(key_reg)));
return Ok(result_reg);
}
let obj_reg = self.emit_expression(&member.object, ctx)?;
let prop_name = member.property.name.as_str();
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::ic_get(Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
ctx.inst(Inst::ic_get(Operand::Reg(obj_reg), Operand::Reg(key_reg)));
Ok(obj_reg)
}
fn emit_computed_member_expression(
&self, member: &oxide_parser::ComputedMemberExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_expression(&member.expression, ctx)?;
let r = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(r as u32)));
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(r)));
Ok(r)
}
fn emit_private_field_expression(
&self, member: &oxide_parser::PrivateFieldExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_private_id_reg(member.field.name.as_str(), ctx)?;
let r = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(r as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(r), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
Ok(r)
}
fn emit_chain_expression(&self, chain: &oxide_parser::ChainExpression, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_chain_expression(&self, chain: &oxide_parser::ChainExpression, ctx: &mut CompileCtx) -> Result<u32, String> {
let short_label = ctx.next_label_id();
let end_label = ctx.next_label_id();
let value_reg = self.emit_chain_element(&chain.expression, Some(short_label), ctx)?;
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(value_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(value_reg), Operand::None));
ctx.inst(Inst::jmp(end_label));
ctx.labels.set_label_pos(short_label, ctx.insts.len());
let undefined_idx = ctx.add_constant(Constant::Undefined);
ctx.inst(Inst::load_const(Operand::Reg(result_reg as u32), undefined_idx));
ctx.inst(Inst::load_const(Operand::Reg(result_reg), undefined_idx));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
Ok(result_reg)
}
pub(crate) fn emit_member_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_member_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::StaticMemberExpression(member) => self.emit_static_member_expression(member, ctx),
Expression::ComputedMemberExpression(member) => self.emit_computed_member_expression(member, ctx),
crates/oxide_emit/src/expr/mod.rs
+3 -3
View File
@@ -19,15 +19,15 @@ pub mod template;
pub mod this;
impl Emitter {
pub(crate) fn emit_unsupported_expression(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_unsupported_expression(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
let _ = ctx;
Err(format!("unsupported expression type: {:?}", expr))
}
pub(crate) fn emit_sequence_expression(
&self, seq: &oxide_parser::SequenceExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
let mut last = 0u8;
) -> Result<u32, String> {
let mut last = 0u32;
for e in &seq.expressions {
last = self.emit_expression(e, ctx)?;
}
crates/oxide_emit/src/expr/object/array.rs
+4 -6
View File
@@ -8,11 +8,10 @@ use oxide_bytecode::opcode::OpCode;
impl Emitter {
pub(crate) fn emit_array_expression(
&self, arr: &oxide_parser::ArrayExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let arr_reg = ctx.alloc_reg();
let n = arr.elements.len() as u16;
ctx.inst(Inst::new(OpCode::NEW_ARRAY, Operand::Reg(arr_reg as u32), Operand::Imm(n), Operand::None));
let elem_checkpoint = ctx.reg_checkpoint();
ctx.inst(Inst::new(OpCode::NEW_ARRAY, Operand::Reg(arr_reg), Operand::Imm(n), Operand::None));
for (i, elem) in arr.elements.iter().enumerate() {
let Some(e) = elem.as_expression() else {
return Err("spread not supported".into());
@@ -20,9 +19,8 @@ impl Emitter {
let val_reg = self.emit_expression(e, ctx)?;
let idx_reg = ctx.alloc_reg();
let idx = ctx.add_constant(Constant::Int(i as i32));
ctx.inst(Inst::load_const(Operand::Reg(idx_reg as u32), idx));
ctx.inst(Inst::new(OpCode::SET_ELEM, Operand::Reg(arr_reg as u32), Operand::Reg(idx_reg as u32), Operand::Reg(val_reg as u32)));
ctx.restore_reg_checkpoint(elem_checkpoint);
ctx.inst(Inst::load_const(Operand::Reg(idx_reg), idx));
ctx.inst(Inst::new(OpCode::SET_ELEM, Operand::Reg(arr_reg), Operand::Reg(idx_reg), Operand::Reg(val_reg)));
}
Ok(arr_reg)
}
crates/oxide_emit/src/expr/object/mod.rs
+1 -1
View File
@@ -7,7 +7,7 @@ mod array;
mod object_literal;
impl Emitter {
pub(crate) fn emit_object_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_object_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::ObjectExpression(obj) => self.emit_object_expression(obj, ctx),
Expression::ArrayExpression(arr) => self.emit_array_expression(arr, ctx),
crates/oxide_emit/src/expr/object/object_literal.rs
+7 -10
View File
@@ -10,10 +10,9 @@ use oxide_parser::{Expression, ObjectPropertyKind, PropertyKey, PropertyKind};
impl Emitter {
pub(crate) fn emit_object_expression(
&self, obj: &oxide_parser::ObjectExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let obj_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::NEW_OBJECT, Operand::Reg(obj_reg as u32), Operand::None, Operand::None));
let prop_checkpoint = ctx.reg_checkpoint();
ctx.inst(Inst::new(OpCode::NEW_OBJECT, Operand::Reg(obj_reg), Operand::None, Operand::None));
for prop in &obj.properties {
let ObjectPropertyKind::ObjectProperty(p) = prop else {
return Err("spread properties not yet supported".into());
@@ -37,25 +36,23 @@ impl Emitter {
};
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
ctx.inst(Inst::define_accessor(
Operand::Reg(obj_reg as u32),
Operand::Reg(get_reg as u32),
Operand::Reg(set_reg as u32),
Operand::Reg(obj_reg),
Operand::Reg(get_reg),
Operand::Reg(set_reg),
idx as u32,
));
ctx.restore_reg_checkpoint(prop_checkpoint);
}
_ => {
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
let val_reg = self.emit_expression(&p.value, ctx)?;
if matches!(&p.value, Expression::ArrowFunctionExpression(_)) {
if let Some(sub_mod) = ctx.nested.last_mut() {
sub_mod.function_name = Some(prop_name.to_string());
}
}
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.restore_reg_checkpoint(prop_checkpoint);
ctx.inst(Inst::new(OpCode::SET_PROP, Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
}
}
}
crates/oxide_emit/src/expr/operator/mod.rs
+43 -47
View File
@@ -12,16 +12,15 @@ use oxide_parser::{ChainElement, Expression, LogicalOperator, SimpleAssignmentTa
impl Emitter {
fn emit_private_in_expression(
&self, pin: &oxide_parser::PrivateInExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let obj_reg = self.emit_expression(&pin.right, ctx)?;
let key_reg = self.emit_private_id_reg(pin.left.name.as_str(), ctx)?;
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::PRIVATE_BRAND_IN, Operand::Reg(result_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::PRIVATE_BRAND_IN, Operand::Reg(result_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
Ok(result_reg)
}
fn emit_binary_expression(&self, bin: &oxide_parser::BinaryExpression, ctx: &mut CompileCtx) -> Result<u8, String> {
let checkpoint = ctx.reg_checkpoint();
fn emit_binary_expression(&self, bin: &oxide_parser::BinaryExpression, ctx: &mut CompileCtx) -> Result<u32, String> {
let left = self.emit_expression(&bin.left, ctx)?;
let right = self.emit_expression(&bin.right, ctx)?;
let op = match bin.operator {
@@ -48,14 +47,11 @@ impl Emitter {
BinaryOperator::StrictInequality => OpCode::STRICT_NEQ,
_ => return Err(format!("unsupported binary operator: {:?}", bin.operator)),
};
ctx.inst(Inst::new(op, Operand::Reg(left as u32), Operand::Reg(left as u32), Operand::Reg(right as u32)));
if is_side_effect_free(&bin.left) && is_side_effect_free(&bin.right) {
ctx.restore_reg_checkpoint(checkpoint.saturating_add(1).max(left.saturating_add(1)));
}
ctx.inst(Inst::new(op, Operand::Reg(left), Operand::Reg(left), Operand::Reg(right)));
Ok(left)
}
fn emit_unary_expression(&self, un: &oxide_parser::UnaryExpression, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_unary_expression(&self, un: &oxide_parser::UnaryExpression, ctx: &mut CompileCtx) -> Result<u32, String> {
if matches!(un.operator, UnaryOperator::Delete) {
return match &un.argument {
Expression::Identifier(_) => {
@@ -65,13 +61,13 @@ impl Emitter {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let prop_name = member.property.name.as_str();
let const_idx = ctx.add_constant(Constant::String(prop_name.to_string()));
ctx.inst(Inst::delete_prop_static(Operand::Reg(obj_reg as u32), const_idx as u32));
ctx.inst(Inst::delete_prop_static(Operand::Reg(obj_reg), const_idx as u32));
Ok(obj_reg)
}
Expression::ComputedMemberExpression(member) => {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_expression(&member.expression, ctx)?;
ctx.inst(Inst::new(OpCode::DELETE_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::DELETE_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
Ok(obj_reg)
}
Expression::ChainExpression(chain) => {
@@ -81,23 +77,23 @@ impl Emitter {
let obj_reg = self.emit_expression(&member.object, ctx)?;
if member.optional {
let dup_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg as u32), Operand::Reg(obj_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg), Operand::Reg(obj_reg), Operand::None));
ctx.inst(Inst::jmp_if_nullish(dup_reg, short_label));
}
let prop_name = member.property.name.as_str();
let const_idx = ctx.add_constant(Constant::String(prop_name.to_string()));
ctx.inst(Inst::delete_prop_static(Operand::Reg(obj_reg as u32), const_idx as u32));
ctx.inst(Inst::delete_prop_static(Operand::Reg(obj_reg), const_idx as u32));
obj_reg
}
ChainElement::ComputedMemberExpression(member) => {
let obj_reg = self.emit_expression(&member.object, ctx)?;
if member.optional {
let dup_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg as u32), Operand::Reg(obj_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg), Operand::Reg(obj_reg), Operand::None));
ctx.inst(Inst::jmp_if_nullish(dup_reg, short_label));
}
let key_reg = self.emit_expression(&member.expression, ctx)?;
ctx.inst(Inst::new(OpCode::DELETE_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::DELETE_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
obj_reg
}
_ => return Err("invalid delete target".into()),
@@ -106,7 +102,7 @@ impl Emitter {
ctx.inst(Inst::jmp(end_label));
ctx.labels.set_label_pos(short_label, ctx.insts.len());
let true_idx = ctx.add_constant(Constant::Boolean(true));
ctx.inst(Inst::load_const(Operand::Reg(result_reg as u32), true_idx));
ctx.inst(Inst::load_const(Operand::Reg(result_reg), true_idx));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
Ok(result_reg)
}
@@ -116,27 +112,27 @@ impl Emitter {
let arg = self.emit_expression(&un.argument, ctx)?;
match un.operator {
UnaryOperator::UnaryNegation => {
ctx.inst(Inst::new(OpCode::NEG, Operand::Reg(arg as u32), Operand::Reg(arg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::NEG, Operand::Reg(arg), Operand::Reg(arg), Operand::None));
Ok(arg)
}
UnaryOperator::Typeof => {
ctx.inst(Inst::new(OpCode::TYPEOF, Operand::Reg(arg as u32), Operand::Reg(arg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::TYPEOF, Operand::Reg(arg), Operand::Reg(arg), Operand::None));
Ok(arg)
}
UnaryOperator::Void => {
ctx.inst(Inst::new(OpCode::VOID, Operand::Reg(arg as u32), Operand::Reg(arg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::VOID, Operand::Reg(arg), Operand::Reg(arg), Operand::None));
Ok(arg)
}
UnaryOperator::LogicalNot => {
ctx.inst(Inst::new(OpCode::NOT, Operand::Reg(arg as u32), Operand::Reg(arg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::NOT, Operand::Reg(arg), Operand::Reg(arg), Operand::None));
Ok(arg)
}
UnaryOperator::BitwiseNot => {
ctx.inst(Inst::new(OpCode::BIT_NOT, Operand::Reg(arg as u32), Operand::Reg(arg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::BIT_NOT, Operand::Reg(arg), Operand::Reg(arg), Operand::None));
Ok(arg)
}
UnaryOperator::UnaryPlus => {
ctx.inst(Inst::new(OpCode::UNARY_PLUS, Operand::Reg(arg as u32), Operand::Reg(arg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::UNARY_PLUS, Operand::Reg(arg), Operand::Reg(arg), Operand::None));
Ok(arg)
}
UnaryOperator::Delete => Err("invalid delete target".into()),
@@ -145,7 +141,7 @@ impl Emitter {
fn emit_conditional_expression(
&self, cond: &oxide_parser::ConditionalExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let else_label = ctx.next_label_id();
let end_label = ctx.next_label_id();
@@ -154,13 +150,13 @@ impl Emitter {
let cons_reg = self.emit_expression(&cond.consequent, ctx)?;
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(cons_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(cons_reg), Operand::None));
ctx.inst(Inst::jmp(end_label));
ctx.labels.set_label_pos(else_label, ctx.insts.len());
let alt_reg = self.emit_expression(&cond.alternate, ctx)?;
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(alt_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(alt_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
Ok(result_reg)
@@ -168,7 +164,7 @@ impl Emitter {
fn emit_logical_expression(
&self, log: &oxide_parser::LogicalExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let left_reg = self.emit_expression(&log.left, ctx)?;
if is_side_effect_free(&log.left) && is_side_effect_free(&log.right) {
@@ -179,7 +175,7 @@ impl Emitter {
LogicalOperator::Or => OpCode::OR,
LogicalOperator::Coalesce => OpCode::NULLISH,
};
ctx.inst(Inst::new(op, Operand::Reg(r as u32), Operand::Reg(left_reg as u32), Operand::Reg(right_reg as u32)));
ctx.inst(Inst::new(op, Operand::Reg(r), Operand::Reg(left_reg), Operand::Reg(right_reg)));
return Ok(r);
}
@@ -187,12 +183,12 @@ impl Emitter {
let rhs_label = ctx.next_label_id();
let end_label = ctx.next_label_id();
let dup_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg as u32), Operand::Reg(left_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg), Operand::Reg(left_reg), Operand::None));
ctx.inst(Inst::jmp_if_nullish(dup_reg, rhs_label));
ctx.inst(Inst::jmp(end_label));
ctx.labels.set_label_pos(rhs_label, ctx.insts.len());
let right_reg = self.emit_expression(&log.right, ctx)?;
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg as u32), Operand::Reg(right_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg), Operand::Reg(right_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
return Ok(dup_reg);
}
@@ -203,7 +199,7 @@ impl Emitter {
LogicalOperator::Coalesce => return Err("invalid logical operator dispatch".into()),
};
let dup_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg as u32), Operand::Reg(left_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg), Operand::Reg(left_reg), Operand::None));
match log.operator {
LogicalOperator::And => ctx.inst(Inst::jmp_if_false(dup_reg, skip_label)),
@@ -212,7 +208,7 @@ impl Emitter {
}
let right_reg = self.emit_expression(&log.right, ctx)?;
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg as u32), Operand::Reg(right_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg), Operand::Reg(right_reg), Operand::None));
ctx.labels.set_label_pos(skip_label, ctx.insts.len());
Ok(dup_reg)
@@ -220,7 +216,7 @@ impl Emitter {
fn emit_update_expression(
&self, update: &oxide_parser::UpdateExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
match &update.argument {
SimpleAssignmentTarget::AssignmentTargetIdentifier(id) => {
let name = id.name.as_str();
@@ -230,36 +226,36 @@ impl Emitter {
if let Some(uv) = uv_idx {
// Upvalue: LOAD_UPVALUE + CONST(1) + ADD/SUB + STORE_UPVALUE
let val_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_UPVALUE, Operand::Reg(val_reg as u32), Operand::Imm(uv as u16), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_UPVALUE, Operand::Reg(val_reg), Operand::Imm(uv as u16), Operand::None));
let one_idx = ctx.add_constant(Constant::Int(1));
let one_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(one_reg as u32), one_idx));
ctx.inst(Inst::load_const(Operand::Reg(one_reg), one_idx));
let op = if update.operator == UpdateOperator::Increment {
OpCode::ADD
} else {
OpCode::SUB
};
ctx.inst(Inst::new(op, Operand::Reg(val_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(one_reg as u32)));
ctx.inst(Inst::new(OpCode::STORE_UPVALUE, Operand::None, Operand::Reg(val_reg as u32), Operand::Imm(uv as u16)));
ctx.inst(Inst::new(op, Operand::Reg(val_reg), Operand::Reg(val_reg), Operand::Reg(one_reg)));
ctx.inst(Inst::new(OpCode::STORE_UPVALUE, Operand::None, Operand::Reg(val_reg), Operand::Imm(uv as u16)));
Ok(val_reg)
} else if let Some(cell_idx) = captured_cell {
// Captured cell: CELL_GET + CONST(1) + ADD/SUB + CELL_SET
let val_reg = ctx.alloc_reg();
if let Some((binding, _)) = ctx.scopes.symbols.lookup_any_binding(name) {
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(val_reg as u32), Operand::Reg(binding.reg as u32), Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(val_reg), Operand::Reg(binding.reg), Operand::Imm(cell_idx as u16)));
} else {
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(val_reg as u32), Operand::None, Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(val_reg), Operand::None, Operand::Imm(cell_idx as u16)));
}
let one_idx = ctx.add_constant(Constant::Int(1));
let one_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(one_reg as u32), one_idx));
ctx.inst(Inst::load_const(Operand::Reg(one_reg), one_idx));
let op = if update.operator == UpdateOperator::Increment {
OpCode::ADD
} else {
OpCode::SUB
};
ctx.inst(Inst::new(op, Operand::Reg(val_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(one_reg as u32)));
ctx.inst(Inst::new(OpCode::CELL_SET, Operand::None, Operand::Reg(val_reg as u32), Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(op, Operand::Reg(val_reg), Operand::Reg(val_reg), Operand::Reg(one_reg)));
ctx.inst(Inst::new(OpCode::CELL_SET, Operand::None, Operand::Reg(val_reg), Operand::Imm(cell_idx as u16)));
Ok(val_reg)
} else {
let var_reg = ctx.lookup_or_global(name);
@@ -270,7 +266,7 @@ impl Emitter {
(UpdateOperator::Decrement, true) => OpCode::DEC_PRE,
(UpdateOperator::Decrement, false) => OpCode::DEC_POST,
};
ctx.inst(Inst::new(op, Operand::Reg(var_reg as u32), Operand::Reg(result_reg as u32), Operand::Reg(result_reg as u32)));
ctx.inst(Inst::new(op, Operand::Reg(var_reg), Operand::Reg(result_reg), Operand::Reg(result_reg)));
Ok(result_reg)
}
}
@@ -279,7 +275,7 @@ impl Emitter {
let prop_name = member.property.name.as_str();
let key_idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), key_idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), key_idx));
let val_reg = ctx.alloc_reg();
let op = match update.operator {
UpdateOperator::Increment => OpCode::MEMBER_INC,
@@ -287,10 +283,10 @@ impl Emitter {
};
match op {
OpCode::MEMBER_INC => {
ctx.inst(Inst::member_inc(Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::member_inc(Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
}
OpCode::MEMBER_DEC => {
ctx.inst(Inst::member_dec(Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::member_dec(Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
}
_ => unreachable!(),
}
@@ -304,14 +300,14 @@ impl Emitter {
UpdateOperator::Increment => OpCode::DYN_MEMBER_INC,
UpdateOperator::Decrement => OpCode::DYN_MEMBER_DEC,
};
ctx.inst(Inst::new(op, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(val_reg as u32)));
ctx.inst(Inst::new(op, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(val_reg)));
Ok(val_reg)
}
_ => Err("member update not yet supported".into()),
}
}
pub(crate) fn emit_operator(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_operator(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::BinaryExpression(bin) => self.emit_binary_expression(bin, ctx),
Expression::PrivateInExpression(pin) => self.emit_private_in_expression(pin, ctx),
crates/oxide_emit/src/expr/parenthesized.rs
+1 -1
View File
@@ -5,7 +5,7 @@ use crate::{CompileCtx, Emitter};
impl Emitter {
pub(crate) fn emit_parenthesized_expression(
&self, p: &oxide_parser::ParenthesizedExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
self.emit_expression(&p.expression, ctx)
}
}
crates/oxide_emit/src/expr/template/mod.rs
+1 -1
View File
@@ -7,7 +7,7 @@ mod tagged;
mod template_literal;
impl Emitter {
pub(crate) fn emit_template_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_template_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::TemplateLiteral(tl) => self.emit_template_literal_expression(tl, ctx),
Expression::TaggedTemplateExpression(tt) => self.emit_tagged_template_expression(tt, ctx),
crates/oxide_emit/src/expr/template/tagged.rs
+17 -17
View File
@@ -8,36 +8,36 @@ use oxide_bytecode::opcode::OpCode;
impl Emitter {
pub(crate) fn emit_tagged_template_expression(
&self, tt: &oxide_parser::TaggedTemplateExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let quasis = &tt.quasi.quasis;
let expressions = &tt.quasi.expressions;
let tag_reg = self.emit_expression(&tt.tag, ctx)?;
let cooked_temp = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::NEW_ARRAY, Operand::Reg(cooked_temp as u32), Operand::Imm(quasis.len() as u16), Operand::None));
ctx.inst(Inst::new(OpCode::NEW_ARRAY, Operand::Reg(cooked_temp), Operand::Imm(quasis.len() as u16), Operand::None));
for (i, quasi) in quasis.iter().enumerate() {
let s = quasi.value.cooked.as_ref().map(|c| c.to_string()).unwrap_or_default();
let const_idx = ctx.add_constant(Constant::String(s));
let str_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(str_reg as u32), const_idx));
ctx.inst(Inst::load_const(Operand::Reg(str_reg), const_idx));
let idx_const = ctx.add_constant(Constant::Int(i as i32));
let idx_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(idx_reg as u32), idx_const));
ctx.inst(Inst::new(OpCode::SET_ELEM, Operand::Reg(cooked_temp as u32), Operand::Reg(idx_reg as u32), Operand::Reg(str_reg as u32)));
ctx.inst(Inst::load_const(Operand::Reg(idx_reg), idx_const));
ctx.inst(Inst::new(OpCode::SET_ELEM, Operand::Reg(cooked_temp), Operand::Reg(idx_reg), Operand::Reg(str_reg)));
}
let raw_temp = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::NEW_ARRAY, Operand::Reg(raw_temp as u32), Operand::Imm(quasis.len() as u16), Operand::None));
ctx.inst(Inst::new(OpCode::NEW_ARRAY, Operand::Reg(raw_temp), Operand::Imm(quasis.len() as u16), Operand::None));
for (i, quasi) in quasis.iter().enumerate() {
let raw = quasi.value.raw.to_string();
let const_idx = ctx.add_constant(Constant::String(raw));
let str_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(str_reg as u32), const_idx));
ctx.inst(Inst::load_const(Operand::Reg(str_reg), const_idx));
let idx_const = ctx.add_constant(Constant::Int(i as i32));
let idx_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(idx_reg as u32), idx_const));
ctx.inst(Inst::new(OpCode::SET_ELEM, Operand::Reg(raw_temp as u32), Operand::Reg(idx_reg as u32), Operand::Reg(str_reg as u32)));
ctx.inst(Inst::load_const(Operand::Reg(idx_reg), idx_const));
ctx.inst(Inst::new(OpCode::SET_ELEM, Operand::Reg(raw_temp), Operand::Reg(idx_reg), Operand::Reg(str_reg)));
}
let mut expr_temps = Vec::new();
@@ -52,26 +52,26 @@ impl Emitter {
expr_slots.push(ctx.alloc_reg());
}
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(cooked_slot as u32), Operand::Reg(cooked_temp as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(raw_slot as u32), Operand::Reg(raw_temp as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(cooked_slot), Operand::Reg(cooked_temp), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(raw_slot), Operand::Reg(raw_temp), Operand::None));
for (slot, temp) in expr_slots.iter().zip(expr_temps.iter()) {
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(*slot as u32), Operand::Reg(*temp as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(*slot), Operand::Reg(*temp), Operand::None));
}
let undef_idx = ctx.add_constant(Constant::Undefined);
let undef_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(undef_reg as u32), undef_idx));
ctx.inst(Inst::load_const(Operand::Reg(undef_reg), undef_idx));
let arg_count = 2 + expressions.len();
ctx.inst(Inst::call(
Operand::Reg(tag_reg as u32),
Operand::Reg(undef_reg as u32),
Operand::Reg(cooked_slot as u32),
Operand::Reg(tag_reg),
Operand::Reg(undef_reg),
Operand::Reg(cooked_slot),
arg_count as u8,
));
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::None, Operand::None));
Ok(result_reg)
}
}
crates/oxide_emit/src/expr/template/template_literal.rs
+4 -4
View File
@@ -9,13 +9,13 @@ use oxide_bytecode::module::Constant;
impl Emitter {
pub(crate) fn emit_template_literal_expression(
&self, tl: &oxide_parser::TemplateLiteral, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let r = ctx.alloc_reg();
let quasis = &tl.quasis;
let expressions = &tl.expressions;
let segment_count = quasis.len() + expressions.len();
let expr_regs: Vec<u8> = expressions
let expr_regs: Vec<u32> = expressions
.iter()
.map(|e| self.emit_expression(e, ctx))
.collect::<Result<Vec<_>, _>>()?;
@@ -38,12 +38,12 @@ impl Emitter {
for const_idx in quasi_const_idxs.iter() {
parts.push(*const_idx as u32 & 0x7FFF_FFFF);
if let Some(expr_reg) = expr_iter.next() {
parts.push(0x8000_0000u32 | (*expr_reg as u32));
parts.push(0x8000_0000u32 | (*expr_reg));
}
}
ctx.inst(Inst::template_str(
Operand::Reg(r as u32),
Operand::Reg(r),
segment_count as u32,
total_len_hint as u16,
&parts,
crates/oxide_emit/src/expr/this.rs
+2 -2
View File
@@ -6,11 +6,11 @@ use oxide_ir::operand::Operand;
use oxide_bytecode::opcode::OpCode;
impl Emitter {
pub(crate) fn emit_this_expression(&self, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_this_expression(&self, ctx: &mut CompileCtx) -> Result<u32, String> {
let r = ctx.alloc_reg();
let src = ctx.static_block_this_reg.unwrap_or(254);
let src_op = if src == 254 { Operand::This } else { Operand::Reg(src as u32) };
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(r as u32), src_op, Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(r), src_op, Operand::None));
Ok(r)
}
}
crates/oxide_emit/src/shared/binding.rs
+35 -35
View File
@@ -14,22 +14,22 @@ use oxide_parser::{
impl Emitter {
fn emit_default_if_undefined(
&self, val_reg: u8, default_expr: &Expression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
&self, val_reg: u32, default_expr: &Expression, ctx: &mut CompileCtx,
) -> Result<u32, String> {
let undef_reg = self.emit_undefined(ctx);
let eq_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::STRICT_EQ, Operand::Reg(eq_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(undef_reg as u32)));
ctx.inst(Inst::new(OpCode::STRICT_EQ, Operand::Reg(eq_reg), Operand::Reg(val_reg), Operand::Reg(undef_reg)));
// val != undefined（eq 为 false）→ 跳过默认值
let end_label = ctx.next_label_id();
ctx.inst(Inst::jmp_if_false(eq_reg, end_label));
let default_reg = self.emit_expression(default_expr, ctx)?;
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(val_reg as u32), Operand::Reg(default_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(val_reg), Operand::Reg(default_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
Ok(val_reg)
}
fn emit_bind_target(
&self, name: &str, src_reg: u8, kind: VariableDeclarationKind, is_const: bool, ctx: &mut CompileCtx,
&self, name: &str, src_reg: u32, kind: VariableDeclarationKind, is_const: bool, ctx: &mut CompileCtx,
) -> Result<(), String> {
let target_reg = if matches!(kind, VariableDeclarationKind::Var) {
// `var` names are pre-declared (hoisting); reuse the pre-registered slot
@@ -47,20 +47,20 @@ impl Emitter {
var_reg
};
if let Some(&cell_idx) = ctx.captured_bindings.get(name) {
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(src_reg as u32), Operand::Imm(cell_idx as u16), Operand::None));
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(src_reg), Operand::Imm(cell_idx as u16), Operand::None));
} else {
// B011: const 声明路径 STORE_VAR 恒 b=0，不查运行时 guard。
// guard 读 regs[rd] 判断槽是否已初始化，依赖槽初始为 undefined；
// 声明冗余检查由编译期 declare() 完成（重复声明编译报错），
// 运行时 guard 只服务"对 const 再赋值"（赋值路径，见 emit_assign_target）。
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(target_reg as u32), Operand::Reg(src_reg as u32), Operand::Imm(0)));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(target_reg), Operand::Reg(src_reg), Operand::Imm(0)));
}
ctx.init_var(name);
Ok(())
}
pub(crate) fn emit_assign_target(
&self, target: &AssignmentTarget, src_reg: u8, ctx: &mut CompileCtx,
&self, target: &AssignmentTarget, src_reg: u32, ctx: &mut CompileCtx,
) -> Result<(), String> {
match target {
AssignmentTarget::AssignmentTargetIdentifier(id) => {
@@ -68,8 +68,8 @@ impl Emitter {
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::STORE_VAR,
Operand::Reg(var_reg as u32),
Operand::Reg(src_reg as u32),
Operand::Reg(var_reg),
Operand::Reg(src_reg),
Operand::Imm(if ctx.lookup_const_flag(name) { 1 } else { 0 }),
));
Ok(())
@@ -81,7 +81,7 @@ impl Emitter {
}
pub(crate) fn emit_binding_pattern(
&self, pattern: &BindingPattern, src_reg: u8, kind: VariableDeclarationKind, is_const: bool,
&self, pattern: &BindingPattern, src_reg: u32, kind: VariableDeclarationKind, is_const: bool,
ctx: &mut CompileCtx,
) -> Result<(), String> {
match pattern {
@@ -98,14 +98,14 @@ impl Emitter {
}
fn emit_array_binding(
&self, ap: &ArrayPattern, src_reg: u8, kind: VariableDeclarationKind, is_const: bool, ctx: &mut CompileCtx,
&self, ap: &ArrayPattern, src_reg: u32, kind: VariableDeclarationKind, is_const: bool, ctx: &mut CompileCtx,
) -> Result<(), String> {
ctx.inst(Inst::new(OpCode::FOR_OF_INIT, Operand::None, Operand::Reg(src_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_INIT, Operand::None, Operand::Reg(src_reg), Operand::None));
for elem in &ap.elements {
let has_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_OF_DONE, Operand::Reg(has_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_DONE, Operand::Reg(has_reg), Operand::None, Operand::None));
let val_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_OF_NEXT, Operand::Reg(val_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_NEXT, Operand::Reg(val_reg), Operand::None, Operand::None));
if let Some(pattern) = elem {
self.emit_binding_pattern(pattern, val_reg, kind, is_const, ctx)?;
}
@@ -118,30 +118,30 @@ impl Emitter {
Ok(())
}
fn emit_collect_rest_array(&self, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_collect_rest_array(&self, ctx: &mut CompileCtx) -> Result<u32, String> {
let rest_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::NEW_ARRAY, Operand::Reg(rest_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::NEW_ARRAY, Operand::Reg(rest_reg), Operand::None, Operand::None));
let idx_reg = ctx.alloc_reg();
let zero_idx = ctx.add_constant(Constant::Int(0));
ctx.inst(Inst::load_const(Operand::Reg(idx_reg as u32), zero_idx));
ctx.inst(Inst::load_const(Operand::Reg(idx_reg), zero_idx));
let loop_start = ctx.next_label_id();
let loop_end = ctx.next_label_id();
ctx.labels.set_label_pos(loop_start, ctx.insts.len());
let has_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_OF_DONE, Operand::Reg(has_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_DONE, Operand::Reg(has_reg), Operand::None, Operand::None));
ctx.inst(Inst::jmp_if_false(has_reg, loop_end));
let val_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_OF_NEXT, Operand::Reg(val_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::SET_ELEM, Operand::Reg(rest_reg as u32), Operand::Reg(idx_reg as u32), Operand::Reg(val_reg as u32)));
ctx.inst(Inst::new(OpCode::FOR_OF_NEXT, Operand::Reg(val_reg), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::SET_ELEM, Operand::Reg(rest_reg), Operand::Reg(idx_reg), Operand::Reg(val_reg)));
let tmp_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::INC_PRE, Operand::Reg(idx_reg as u32), Operand::Reg(tmp_reg as u32), Operand::Reg(tmp_reg as u32)));
ctx.inst(Inst::new(OpCode::INC_PRE, Operand::Reg(idx_reg), Operand::Reg(tmp_reg), Operand::Reg(tmp_reg)));
ctx.inst(Inst::jmp(loop_start));
ctx.labels.set_label_pos(loop_end, ctx.insts.len());
Ok(rest_reg)
}
fn emit_object_binding(
&self, op: &ObjectPattern, src_reg: u8, kind: VariableDeclarationKind, is_const: bool, ctx: &mut CompileCtx,
&self, op: &ObjectPattern, src_reg: u32, kind: VariableDeclarationKind, is_const: bool, ctx: &mut CompileCtx,
) -> Result<(), String> {
let mut excluded = Vec::new();
for prop in &op.properties {
@@ -154,14 +154,14 @@ impl Emitter {
if let Some(rest) = &op.rest {
let rest_reg = ctx.alloc_reg();
let excluded_idx = ctx.add_constant(Constant::String(excluded.join("\0")));
ctx.inst(Inst::rest_object(Operand::Reg(rest_reg as u32), Operand::Reg(src_reg as u32), excluded_idx as u32));
ctx.inst(Inst::rest_object(Operand::Reg(rest_reg), Operand::Reg(src_reg), excluded_idx as u32));
self.emit_binding_pattern(&rest.argument, rest_reg, kind, is_const, ctx)?;
}
Ok(())
}
fn emit_assignment_maybe_default(
&self, target: &AssignmentTargetMaybeDefault, src_reg: u8, ctx: &mut CompileCtx,
&self, target: &AssignmentTargetMaybeDefault, src_reg: u32, ctx: &mut CompileCtx,
) -> Result<(), String> {
match target {
AssignmentTargetMaybeDefault::AssignmentTargetWithDefault(default) => {
@@ -175,8 +175,8 @@ impl Emitter {
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::STORE_VAR,
Operand::Reg(var_reg as u32),
Operand::Reg(src_reg as u32),
Operand::Reg(var_reg),
Operand::Reg(src_reg),
Operand::Imm(if ctx.lookup_const_flag(name) { 1 } else { 0 }),
));
Ok(())
@@ -186,14 +186,14 @@ impl Emitter {
}
pub(crate) fn emit_array_assignment(
&self, ap: &ArrayAssignmentTarget, src_reg: u8, ctx: &mut CompileCtx,
&self, ap: &ArrayAssignmentTarget, src_reg: u32, ctx: &mut CompileCtx,
) -> Result<(), String> {
ctx.inst(Inst::new(OpCode::FOR_OF_INIT, Operand::None, Operand::Reg(src_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_INIT, Operand::None, Operand::Reg(src_reg), Operand::None));
for elem in &ap.elements {
let has_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_OF_DONE, Operand::Reg(has_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_DONE, Operand::Reg(has_reg), Operand::None, Operand::None));
let val_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_OF_NEXT, Operand::Reg(val_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_NEXT, Operand::Reg(val_reg), Operand::None, Operand::None));
if let Some(target) = elem {
self.emit_assignment_maybe_default(target, val_reg, ctx)?;
}
@@ -207,7 +207,7 @@ impl Emitter {
}
pub(crate) fn emit_object_assignment(
&self, op: &ObjectAssignmentTarget, src_reg: u8, ctx: &mut CompileCtx,
&self, op: &ObjectAssignmentTarget, src_reg: u32, ctx: &mut CompileCtx,
) -> Result<(), String> {
let mut excluded = Vec::new();
for prop in &op.properties {
@@ -223,8 +223,8 @@ impl Emitter {
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::STORE_VAR,
Operand::Reg(var_reg as u32),
Operand::Reg(prop_reg as u32),
Operand::Reg(var_reg),
Operand::Reg(prop_reg),
Operand::Imm(if ctx.lookup_const_flag(name) { 1 } else { 0 }),
));
}
@@ -241,7 +241,7 @@ impl Emitter {
if let Some(rest) = &op.rest {
let rest_reg = ctx.alloc_reg();
let excluded_idx = ctx.add_constant(Constant::String(excluded.join("\0")));
ctx.inst(Inst::rest_object(Operand::Reg(rest_reg as u32), Operand::Reg(src_reg as u32), excluded_idx as u32));
ctx.inst(Inst::rest_object(Operand::Reg(rest_reg), Operand::Reg(src_reg), excluded_idx as u32));
self.emit_assign_target(&rest.target, rest_reg, ctx)?;
}
Ok(())
crates/oxide_emit/src/shared/chain.rs
+37 -37
View File
@@ -9,16 +9,16 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::{ChainElement, Expression, LogicalOperator, PropertyKey};
impl Emitter {
fn emit_optional_guard(&self, reg: u8, short_label: LabelId, ctx: &mut CompileCtx) -> Result<(), String> {
fn emit_optional_guard(&self, reg: u32, short_label: LabelId, ctx: &mut CompileCtx) -> Result<(), String> {
let dup_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg as u32), Operand::Reg(reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(dup_reg), Operand::Reg(reg), Operand::None));
ctx.inst(Inst::jmp_if_nullish(dup_reg, short_label));
Ok(())
}
fn emit_static_member_get_preserve_base(
&self, member: &oxide_parser::StaticMemberExpression, short_label: Option<LabelId>, ctx: &mut CompileCtx,
) -> Result<(u8, u8), String> {
) -> Result<(u32, u32), String> {
let obj_reg = self.emit_chainable_expression(&member.object, short_label, ctx)?;
if member.optional {
if let Some(label) = short_label {
@@ -27,16 +27,16 @@ impl Emitter {
}
let idx = ctx.add_constant(Constant::String(member.property.name.as_str().to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
let value_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(value_reg as u32), Operand::Reg(obj_reg as u32), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(value_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(value_reg), Operand::Reg(obj_reg), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(value_reg), Operand::Reg(key_reg)));
Ok((value_reg, obj_reg))
}
fn emit_computed_member_get_preserve_base(
&self, member: &oxide_parser::ComputedMemberExpression, short_label: Option<LabelId>, ctx: &mut CompileCtx,
) -> Result<(u8, u8), String> {
) -> Result<(u32, u32), String> {
let obj_reg = self.emit_chainable_expression(&member.object, short_label, ctx)?;
if member.optional {
if let Some(label) = short_label {
@@ -45,13 +45,13 @@ impl Emitter {
}
let key_reg = self.emit_expression(&member.expression, ctx)?;
let value_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(value_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(value_reg)));
Ok((value_reg, obj_reg))
}
fn emit_chain_call(
&self, call: &oxide_parser::CallExpression, short_label: Option<LabelId>, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let (callee_reg, this_reg) = match &call.callee {
Expression::StaticMemberExpression(member) => {
self.emit_static_member_get_preserve_base(member, short_label, ctx)?
@@ -68,7 +68,7 @@ impl Emitter {
}
let key_reg = self.emit_private_id_reg(member.field.name.as_str(), ctx)?;
let callee_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(callee_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(callee_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
(callee_reg, obj_reg)
}
_ => {
@@ -80,7 +80,7 @@ impl Emitter {
}
let this_idx = ctx.add_constant(Constant::Undefined);
let this_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(this_reg as u32), this_idx));
ctx.inst(Inst::load_const(Operand::Reg(this_reg), this_idx));
(callee_reg, this_reg)
}
};
@@ -102,7 +102,7 @@ impl Emitter {
arg_regs.push(self.emit_expression(expr, ctx)?);
}
}
let first_arg_reg = if arg_regs.is_empty() { 0u8 } else { arg_regs[0] };
let first_arg_reg = if arg_regs.is_empty() { 0u32 } else { arg_regs[0] };
let op = match &call.callee {
Expression::Identifier(ident) if ctx.is_builtin(ident.name.as_str()) => OpCode::CALL_NATIVE,
_ => OpCode::CALL,
@@ -110,30 +110,30 @@ impl Emitter {
match op {
OpCode::CALL => {
ctx.inst(Inst::call(
Operand::Reg(callee_reg as u32),
Operand::Reg(this_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(callee_reg),
Operand::Reg(this_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
}
OpCode::CALL_NATIVE => {
ctx.inst(Inst::call_native(
Operand::Reg(callee_reg as u32),
Operand::Reg(this_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(callee_reg),
Operand::Reg(this_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
}
_ => unreachable!(),
}
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::None, Operand::None));
Ok(result_reg)
}
fn emit_chainable_expression(
&self, expr: &Expression, short_label: Option<LabelId>, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
match expr {
Expression::StaticMemberExpression(member) => {
let (value_reg, _) = self.emit_static_member_get_preserve_base(member, short_label, ctx)?;
@@ -152,7 +152,7 @@ impl Emitter {
}
let key_reg = self.emit_private_id_reg(member.field.name.as_str(), ctx)?;
let value_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(value_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(value_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
Ok(value_reg)
}
Expression::CallExpression(call) => self.emit_chain_call(call, short_label, ctx),
@@ -163,7 +163,7 @@ impl Emitter {
pub(crate) fn emit_chain_element(
&self, element: &ChainElement, short_label: Option<LabelId>, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
match element {
ChainElement::StaticMemberExpression(member) => {
let (value_reg, _) = self.emit_static_member_get_preserve_base(member, short_label, ctx)?;
@@ -182,7 +182,7 @@ impl Emitter {
}
let key_reg = self.emit_private_id_reg(member.field.name.as_str(), ctx)?;
let value_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(value_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(value_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
Ok(value_reg)
}
ChainElement::CallExpression(call) => self.emit_chain_call(call, short_label, ctx),
@@ -191,7 +191,7 @@ impl Emitter {
}
pub(crate) fn emit_logical_assign_test(
&self, op: LogicalOperator, test_reg: u8, store_label: LabelId, end_label: LabelId, ctx: &mut CompileCtx,
&self, op: LogicalOperator, test_reg: u32, store_label: LabelId, end_label: LabelId, ctx: &mut CompileCtx,
) -> Result<(), String> {
match op {
LogicalOperator::And => ctx.inst(Inst::jmp_if_false(test_reg, end_label)),
@@ -204,41 +204,41 @@ impl Emitter {
Ok(())
}
pub(crate) fn emit_object_property_read(&self, src_reg: u8, key: &str, ctx: &mut CompileCtx) -> u8 {
pub(crate) fn emit_object_property_read( &self, src_reg: u32, key: &str, ctx: &mut CompileCtx) -> u32 {
let prop_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(prop_reg as u32), Operand::Reg(src_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(prop_reg), Operand::Reg(src_reg), Operand::None));
let key_idx = ctx.add_constant(Constant::String(key.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), key_idx));
ctx.inst(Inst::ic_get(Operand::Reg(prop_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), key_idx));
ctx.inst(Inst::ic_get(Operand::Reg(prop_reg), Operand::Reg(key_reg)));
prop_reg
}
fn emit_property_key_expression(&self, key: &PropertyKey, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_property_key_expression(&self, key: &PropertyKey, ctx: &mut CompileCtx) -> Result<u32, String> {
match key {
PropertyKey::Identifier(ident) => {
let name = ident.name.as_str();
let var_reg = ctx.lookup_or_builtin(name)?;
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(key_reg as u32), Operand::Reg(var_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(key_reg), Operand::Reg(var_reg), Operand::None));
Ok(key_reg)
}
PropertyKey::StringLiteral(s) => {
let key_idx = ctx.add_constant(Constant::String(s.value.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), key_idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), key_idx));
Ok(key_reg)
}
PropertyKey::NumericLiteral(n) => {
let key_idx = ctx.add_constant(Constant::Number(n.value));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), key_idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), key_idx));
Ok(key_reg)
}
PropertyKey::StaticIdentifier(ident) => {
let key_idx = ctx.add_constant(Constant::String(ident.name.as_str().to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), key_idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), key_idx));
Ok(key_reg)
}
_ => Err("computed destructuring key expression not supported".into()),
@@ -246,18 +246,18 @@ impl Emitter {
}
pub(crate) fn emit_object_property_read_key(
&self, src_reg: u8, key: &PropertyKey, computed: bool, ctx: &mut CompileCtx,
) -> Result<(u8, Option<String>), String> {
&self, src_reg: u32, key: &PropertyKey, computed: bool, ctx: &mut CompileCtx,
) -> Result<(u32, Option<String>), String> {
if !computed {
let key_name = self.static_property_name(key)?;
let prop_reg = self.emit_object_property_read(src_reg, &key_name, ctx);
return Ok((prop_reg, Some(key_name)));
}
let prop_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(prop_reg as u32), Operand::Reg(src_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(prop_reg), Operand::Reg(src_reg), Operand::None));
let key_reg = self.emit_property_key_expression(key, ctx)?;
let val_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(prop_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(val_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(prop_reg), Operand::Reg(key_reg), Operand::Reg(val_reg)));
Ok((val_reg, None))
}
}
crates/oxide_emit/src/shared/class_field.rs
+4 -4
View File
@@ -17,9 +17,9 @@ impl Emitter {
self.emit_undefined(ctx)
};
if computed {
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, target, Operand::Reg(key_reg as u32), Operand::Reg(value_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, target, Operand::Reg(key_reg), Operand::Reg(value_reg)));
} else {
ctx.inst(Inst::new(OpCode::SET_PROP, target, Operand::Reg(value_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PROP, target, Operand::Reg(value_reg), Operand::Reg(key_reg)));
}
Ok(())
}
@@ -33,7 +33,7 @@ impl Emitter {
} else {
self.emit_undefined(ctx)
};
ctx.inst(Inst::new(OpCode::INIT_PRIVATE, target, Operand::Reg(value_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::INIT_PRIVATE, target, Operand::Reg(value_reg), Operand::Reg(key_reg)));
Ok(())
}
@@ -46,7 +46,7 @@ impl Emitter {
let name = private.name.as_str();
let key_reg = self.emit_private_id_reg(name, ctx)?;
let method_reg = self.emit_class_method_function(method, name, home_reg, ctx, &[])?;
ctx.inst(Inst::new(OpCode::INIT_PRIVATE, target, Operand::Reg(method_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::INIT_PRIVATE, target, Operand::Reg(method_reg), Operand::Reg(key_reg)));
Ok(())
}
}
crates/oxide_emit/src/shared/class_key.rs
+6 -6
View File
@@ -16,22 +16,22 @@ impl Emitter {
.ok_or_else(|| format!("private name #{name} is not defined"))
}
pub(crate) fn emit_private_id_reg(&self, name: &str, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_private_id_reg(&self, name: &str, ctx: &mut CompileCtx) -> Result<u32, String> {
let id = self.private_name_id(name, ctx)?;
let idx = ctx.add_constant(Constant::Int(id as i32));
let reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(reg), idx));
Ok(reg)
}
pub(crate) fn emit_class_key_reg(
&self, key: &PropertyKey, computed: bool, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
if !computed {
let name = self.class_property_name(key)?;
let idx = ctx.add_constant(Constant::String(name));
let reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(reg), idx));
return Ok(reg);
}
@@ -62,10 +62,10 @@ impl Emitter {
}
}
pub(crate) fn emit_undefined(&self, ctx: &mut CompileCtx) -> u8 {
pub(crate) fn emit_undefined(&self, ctx: &mut CompileCtx) -> u32 {
let idx = ctx.add_constant(Constant::Undefined);
let reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(reg), idx));
reg
}
}
crates/oxide_emit/src/stmt/basic/break_continue.rs
+2 -2
View File
@@ -6,7 +6,7 @@ use oxide_ir::inst::Inst;
impl Emitter {
pub(crate) fn emit_break_statement(
&self, stmt: &oxide_parser::BreakStatement, ctx: &mut CompileCtx,
) -> Result<Option<u8>, String> {
) -> Result<Option<u32>, String> {
let break_label = if let Some(label) = &stmt.label {
let name = label.name.as_str();
let scope = ctx
@@ -25,7 +25,7 @@ impl Emitter {
pub(crate) fn emit_continue_statement(
&self, stmt: &oxide_parser::ContinueStatement, ctx: &mut CompileCtx,
) -> Result<Option<u8>, String> {
) -> Result<Option<u32>, String> {
let continue_label = if let Some(label) = &stmt.label {
let name = label.name.as_str();
let scope = ctx
crates/oxide_emit/src/stmt/basic/expression.rs
+2 -2
View File
@@ -4,14 +4,14 @@ use crate::{CompileCtx, Emitter};
use oxide_parser::Statement;
impl Emitter {
fn emit_expression_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
fn emit_expression_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::ExpressionStatement(es) = stmt else {
return Ok(None);
};
Ok(Some(self.emit_expression(&es.expression, ctx)?))
}
pub(crate) fn emit_basic_expression(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_basic_expression(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
self.emit_expression_statement(stmt, ctx)
}
}
crates/oxide_emit/src/stmt/basic/labeled.rs
+1 -1
View File
@@ -17,7 +17,7 @@ impl Emitter {
pub(crate) fn emit_labeled_statement(
&self, stmt: &oxide_parser::LabeledStatement, ctx: &mut CompileCtx,
) -> Result<Option<u8>, String> {
) -> Result<Option<u32>, String> {
let name = stmt.label.name.as_str();
if Self::is_iteration_statement(&stmt.body) {
ctx.queue_loop_label(name)?;
crates/oxide_emit/src/stmt/basic/mod.rs
+1 -1
View File
@@ -9,7 +9,7 @@ mod labeled;
mod return_stmt;
impl Emitter {
pub(crate) fn emit_basic_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_basic_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::ExpressionStatement(_) => self.emit_basic_expression(stmt, ctx),
Statement::ReturnStatement(_) => self.emit_basic_return(stmt, ctx),
crates/oxide_emit/src/stmt/basic/return_stmt.rs
+3 -3
View File
@@ -7,14 +7,14 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::Statement;
impl Emitter {
fn emit_return_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
fn emit_return_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::ReturnStatement(ret) = stmt else {
return Ok(None);
};
match &ret.argument {
Some(expr) => {
let r = self.emit_expression(expr, ctx)?;
ctx.inst(Inst::new(OpCode::RETURN, Operand::Reg(r as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::RETURN, Operand::Reg(r), Operand::None, Operand::None));
}
None => {
ctx.inst(Inst::new(OpCode::RETURN, Operand::None, Operand::None, Operand::None));
@@ -23,7 +23,7 @@ impl Emitter {
Ok(None)
}
pub(crate) fn emit_basic_return(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_basic_return(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
self.emit_return_statement(stmt, ctx)
}
}
crates/oxide_emit/src/stmt/block.rs
+2 -2
View File
@@ -4,7 +4,7 @@ use crate::{CompileCtx, Emitter};
use oxide_parser::Statement;
impl Emitter {
fn emit_block_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
fn emit_block_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::BlockStatement(block) = stmt else {
return Ok(None);
};
@@ -19,7 +19,7 @@ impl Emitter {
Ok(r)
}
pub(crate) fn emit_block_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_block_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::BlockStatement(_) => self.emit_block_statement(stmt, ctx),
_ => Ok(None),
crates/oxide_emit/src/stmt/control.rs
+6 -6
View File
@@ -8,7 +8,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::Statement;
impl Emitter {
fn emit_if_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
fn emit_if_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::IfStatement(ifs) = stmt else {
return Ok(None);
};
@@ -22,10 +22,10 @@ impl Emitter {
let cons_reg = self.emit_statement(&ifs.consequent, ctx)?;
let result_reg = ctx.alloc_reg();
if let Some(r) = cons_reg {
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(r as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(r), Operand::None));
} else {
let undef_idx = ctx.add_constant(Constant::Undefined);
ctx.inst(Inst::load_const(Operand::Reg(result_reg as u32), undef_idx));
ctx.inst(Inst::load_const(Operand::Reg(result_reg), undef_idx));
}
if ifs.alternate.is_some() {
@@ -36,10 +36,10 @@ impl Emitter {
if let Some(alt) = &ifs.alternate {
let alt_reg = self.emit_statement(alt, ctx)?;
if let Some(r) = alt_reg {
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(r as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(r), Operand::None));
} else {
let undef_idx = ctx.add_constant(Constant::Undefined);
ctx.inst(Inst::load_const(Operand::Reg(result_reg as u32), undef_idx));
ctx.inst(Inst::load_const(Operand::Reg(result_reg), undef_idx));
}
}
@@ -48,7 +48,7 @@ impl Emitter {
Ok(Some(result_reg))
}
pub(crate) fn emit_control_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_control_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::IfStatement(_) => self.emit_if_statement(stmt, ctx),
_ => Ok(None),
crates/oxide_emit/src/stmt/declaration/class_decl.rs
+3 -3
View File
@@ -9,7 +9,7 @@ use oxide_parser::{Statement, VariableDeclarationKind};
impl Emitter {
pub(crate) fn emit_class_declaration_statement(
&self, stmt: &Statement, ctx: &mut CompileCtx,
) -> Result<Option<u8>, String> {
) -> Result<Option<u32>, String> {
let Statement::ClassDeclaration(class) = stmt else {
return Err("ClassDeclaration without name".into());
};
@@ -23,9 +23,9 @@ impl Emitter {
ctx.init_var(&name);
let ctor_reg = self.emit_class(class, ctx)?;
if let Some(&cell_idx) = ctx.captured_bindings.get(&name) {
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(var_reg as u32), Operand::Imm(cell_idx as u16), Operand::None));
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(var_reg), Operand::Imm(cell_idx as u16), Operand::None));
} else {
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(ctor_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(ctor_reg), Operand::None));
}
Ok(None)
}
crates/oxide_emit/src/stmt/declaration/function_decl.rs
+4 -4
View File
@@ -9,7 +9,7 @@ use oxide_parser::Statement;
impl Emitter {
pub(crate) fn emit_function_declaration_statement(
&self, stmt: &Statement, ctx: &mut CompileCtx,
) -> Result<Option<u8>, String> {
) -> Result<Option<u32>, String> {
let Statement::FunctionDeclaration(fd) = stmt else {
return Err("FunctionDeclaration without name".into());
};
@@ -36,11 +36,11 @@ impl Emitter {
ctx.nested.push(sub_module);
let var_reg = ctx.lookup(&name)?;
ctx.reserve_reg(var_reg);
ctx.inst(Inst::create_closure(Operand::Reg(var_reg as u32), ctx.nested.len() as u16));
ctx.inst(Inst::create_closure(Operand::Reg(var_reg), ctx.nested.len() as u16));
if let Some(&cell_idx) = ctx.captured_bindings.get(&name) {
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(var_reg as u32), Operand::Imm(cell_idx as u16), Operand::None));
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(var_reg), Operand::Imm(cell_idx as u16), Operand::None));
} else {
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(var_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(var_reg), Operand::None));
}
Ok(None)
}
crates/oxide_emit/src/stmt/declaration/mod.rs
+1 -1
View File
@@ -8,7 +8,7 @@ mod function_decl;
mod var;
impl Emitter {
pub(crate) fn emit_declaration_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_declaration_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::VariableDeclaration(_) => self.emit_variable_declaration_statement(stmt, ctx),
Statement::FunctionDeclaration(_) => self.emit_function_declaration_statement(stmt, ctx),
crates/oxide_emit/src/stmt/declaration/var.rs
+4 -4
View File
@@ -10,7 +10,7 @@ use oxide_parser::{BindingPattern, Expression, Statement, VariableDeclarationKin
impl Emitter {
pub(crate) fn emit_variable_declaration_statement(
&self, stmt: &Statement, ctx: &mut CompileCtx,
) -> Result<Option<u8>, String> {
) -> Result<Option<u32>, String> {
let Statement::VariableDeclaration(decl) = stmt else {
return Ok(None);
};
@@ -37,7 +37,7 @@ impl Emitter {
};
let idx = ctx.add_constant(Constant::Undefined);
let tmp = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(tmp as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(tmp), idx));
let var_reg = ctx.alloc_reg();
let target_reg = if matches!(decl.kind, VariableDeclarationKind::Var) {
match ctx.declare(bi.name.as_str(), var_reg, decl.kind, is_const) {
@@ -49,9 +49,9 @@ impl Emitter {
var_reg
};
if let Some(&cell_idx) = ctx.captured_bindings.get(bi.name.as_str()) {
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(tmp as u32), Operand::Imm(cell_idx as u16), Operand::None));
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(tmp), Operand::Imm(cell_idx as u16), Operand::None));
} else {
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(target_reg as u32), Operand::Reg(tmp as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(target_reg), Operand::Reg(tmp), Operand::None));
}
ctx.init_var(bi.name.as_str());
r = Some(var_reg);
crates/oxide_emit/src/stmt/exception/mod.rs
+1 -1
View File
@@ -7,7 +7,7 @@ mod throw;
mod try_catch;
impl Emitter {
pub(crate) fn emit_exception_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_exception_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::ThrowStatement(_) => self.emit_throw_statement(stmt, ctx),
Statement::TryStatement(_) => self.emit_try_statement(stmt, ctx),
crates/oxide_emit/src/stmt/exception/throw.rs
+2 -2
View File
@@ -7,12 +7,12 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::Statement;
impl Emitter {
pub(crate) fn emit_throw_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_throw_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::ThrowStatement(ts) = stmt else {
return Ok(None);
};
let exc_reg = self.emit_expression(&ts.argument, ctx)?;
ctx.inst(Inst::new(OpCode::THROW, Operand::Reg(exc_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::THROW, Operand::Reg(exc_reg), Operand::None, Operand::None));
Ok(None)
}
}
crates/oxide_emit/src/stmt/exception/try_catch.rs
+8 -8
View File
@@ -7,7 +7,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::{Statement, VariableDeclarationKind};
impl Emitter {
pub(crate) fn emit_try_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_try_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::TryStatement(ts) = stmt else {
return Ok(None);
};
@@ -23,13 +23,13 @@ impl Emitter {
if has_catch {
ctx.inst(Inst::try_begin(catch_label));
}
let mut last_try_result: Option<u8> = None;
let mut last_try_result: Option<u32> = None;
for s in &ts.block.body {
if let Some(r) = self.emit_statement(s, ctx)? {
last_try_result = Some(r);
}
}
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(last_try_result.unwrap_or(result_reg) as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(last_try_result.unwrap_or(result_reg)), Operand::None));
if has_catch {
ctx.inst(Inst::new(OpCode::TRY_END, Operand::None, Operand::None, Operand::None));
}
@@ -45,27 +45,27 @@ impl Emitter {
let catch_reg = ctx.alloc_reg();
if let oxide_parser::BindingPattern::BindingIdentifier(bi) = &param.pattern {
ctx.declare_initialized(bi.name.as_str(), catch_reg, VariableDeclarationKind::Let, false)?;
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(catch_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(catch_reg), Operand::None, Operand::None));
}
}
let mut last_catch_result: Option<u8> = None;
let mut last_catch_result: Option<u32> = None;
for s in &catch.body.body {
if let Some(r) = self.emit_statement(s, ctx)? {
last_catch_result = Some(r);
}
}
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(last_catch_result.unwrap_or(result_reg) as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(last_catch_result.unwrap_or(result_reg)), Operand::None));
ctx.pop_scope();
}
if has_finally {
ctx.labels.set_label_pos(finally_label, ctx.insts.len());
let mut last_finally_result: Option<u8> = None;
let mut last_finally_result: Option<u32> = None;
for s in &ts.finalizer.as_ref().unwrap().body {
if let Some(r) = self.emit_statement(s, ctx)? {
last_finally_result = Some(r);
}
}
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(last_finally_result.unwrap_or(result_reg) as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(last_finally_result.unwrap_or(result_reg)), Operand::None));
ctx.inst(Inst::new(OpCode::TRY_FINALLY_END, Operand::None, Operand::None, Operand::None));
}
ctx.labels.set_label_pos(try_end_label, ctx.insts.len());
crates/oxide_emit/src/stmt/iteration/do_while.rs
+1 -1
View File
@@ -5,7 +5,7 @@ use oxide_ir::inst::Inst;
use oxide_parser::Statement;
impl Emitter {
pub(crate) fn emit_do_while_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_do_while_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::DoWhileStatement(dw) = stmt else {
return Ok(None);
};
crates/oxide_emit/src/stmt/iteration/for_.rs
+3 -3
View File
@@ -8,7 +8,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::{BindingPattern, ForStatementInit, Statement, VariableDeclarationKind};
impl Emitter {
pub(crate) fn emit_for_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_for_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::ForStatement(fr) = stmt else {
return Ok(None);
};
@@ -29,7 +29,7 @@ impl Emitter {
} else if let BindingPattern::BindingIdentifier(bi) = &d.id {
let idx = ctx.add_constant(Constant::Undefined);
let tmp = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(tmp as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(tmp), idx));
let var_reg = ctx.alloc_reg();
let target_reg = if matches!(decl.kind, VariableDeclarationKind::Var) {
match ctx.declare(bi.name.as_str(), var_reg, decl.kind, is_const) {
@@ -40,7 +40,7 @@ impl Emitter {
ctx.declare(bi.name.as_str(), var_reg, decl.kind, is_const)?;
var_reg
};
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(target_reg as u32), Operand::Reg(tmp as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(target_reg), Operand::Reg(tmp), Operand::None));
ctx.init_var(bi.name.as_str());
}
}
crates/oxide_emit/src/stmt/iteration/for_in.rs
+6 -6
View File
@@ -7,26 +7,26 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::{ForStatementLeft, Statement, VariableDeclarationKind};
impl Emitter {
pub(crate) fn emit_for_in_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_for_in_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::ForInStatement(fi) = stmt else {
return Ok(None);
};
let start_label = ctx.next_label_id();
let end_label = ctx.next_label_id();
let obj_reg = self.emit_expression(&fi.right, ctx)?;
ctx.inst(Inst::new(OpCode::FOR_IN_INIT, Operand::None, Operand::Reg(obj_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::FOR_IN_INIT, Operand::None, Operand::Reg(obj_reg), Operand::None));
ctx.labels.set_label_pos(start_label, ctx.insts.len());
ctx.push_loop(end_label, start_label);
let n_labeled = ctx.take_pending_loop_labels(end_label, start_label);
let done_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_IN_DONE, Operand::Reg(done_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_IN_DONE, Operand::Reg(done_reg), Operand::None, Operand::None));
// done=true 表示迭代结束：done=false 时跳过 end jmp 继续迭代
let continue_label = ctx.next_label_id();
ctx.inst(Inst::jmp_if_false(done_reg, continue_label));
ctx.inst(Inst::jmp(end_label));
ctx.labels.set_label_pos(continue_label, ctx.insts.len());
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_IN_NEXT, Operand::Reg(key_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_IN_NEXT, Operand::Reg(key_reg), Operand::None, Operand::None));
match &fi.left {
ForStatementLeft::VariableDeclaration(decl) => {
for d in &decl.declarations {
@@ -36,14 +36,14 @@ impl Emitter {
};
let var_reg = ctx.alloc_reg();
ctx.declare(name, var_reg, decl.kind, matches!(decl.kind, VariableDeclarationKind::Const))?;
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(key_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(key_reg), Operand::None));
ctx.init_var(name);
}
}
ForStatementLeft::AssignmentTargetIdentifier(id_ref) => {
let name = id_ref.name.as_str();
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(key_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(key_reg), Operand::None));
}
_ => return Err("unsupported for-in left-hand side".into()),
}
crates/oxide_emit/src/stmt/iteration/for_of.rs
+5 -5
View File
@@ -7,22 +7,22 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::{ForStatementLeft, Statement};
impl Emitter {
pub(crate) fn emit_for_of_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_for_of_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::ForOfStatement(fo) = stmt else {
return Ok(None);
};
let start_label = ctx.next_label_id();
let end_label = ctx.next_label_id();
let iter_src_reg = self.emit_expression(&fo.right, ctx)?;
ctx.inst(Inst::new(OpCode::FOR_OF_INIT, Operand::None, Operand::Reg(iter_src_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_INIT, Operand::None, Operand::Reg(iter_src_reg), Operand::None));
ctx.labels.set_label_pos(start_label, ctx.insts.len());
ctx.push_loop(end_label, start_label);
let n_labeled = ctx.take_pending_loop_labels(end_label, start_label);
let has_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_OF_DONE, Operand::Reg(has_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_DONE, Operand::Reg(has_reg), Operand::None, Operand::None));
ctx.inst(Inst::jmp_if_false(has_reg, end_label));
let val_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::FOR_OF_NEXT, Operand::Reg(val_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::FOR_OF_NEXT, Operand::Reg(val_reg), Operand::None, Operand::None));
match &fo.left {
ForStatementLeft::VariableDeclaration(decl) => {
for d in &decl.declarations {
@@ -32,7 +32,7 @@ impl Emitter {
ForStatementLeft::AssignmentTargetIdentifier(id_ref) => {
let name = id_ref.name.as_str();
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(val_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(val_reg), Operand::None));
}
ForStatementLeft::ArrayAssignmentTarget(ap) => {
self.emit_array_assignment(ap, val_reg, ctx)?;
crates/oxide_emit/src/stmt/iteration/mod.rs
+1 -1
View File
@@ -10,7 +10,7 @@ mod for_of;
mod while_loop;
impl Emitter {
pub(crate) fn emit_iteration_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_iteration_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::WhileStatement(_) => self.emit_while_statement(stmt, ctx),
Statement::DoWhileStatement(_) => self.emit_do_while_statement(stmt, ctx),
crates/oxide_emit/src/stmt/iteration/while_loop.rs
+1 -1
View File
@@ -5,7 +5,7 @@ use oxide_ir::inst::Inst;
use oxide_parser::Statement;
impl Emitter {
pub(crate) fn emit_while_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_while_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::WhileStatement(wh) = stmt else {
return Ok(None);
};
crates/oxide_emit/src/stmt/switch.rs
+3 -5
View File
@@ -7,14 +7,13 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::Statement;
impl Emitter {
fn emit_switch_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
fn emit_switch_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::SwitchStatement(sw) = stmt else {
return Ok(None);
};
let end_label = ctx.next_label_id();
ctx.push_switch(end_label);
let disc_reg = self.emit_expression(&sw.discriminant, ctx)?;
let compare_reg_checkpoint = ctx.reg_checkpoint();
let cases = &sw.cases;
let mut case_labels = Vec::with_capacity(cases.len());
for case in cases.iter() {
@@ -23,9 +22,8 @@ impl Emitter {
if let Some(test) = &case.test {
let test_reg = self.emit_expression(test, ctx)?;
let eq_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::EQ, Operand::Reg(eq_reg as u32), Operand::Reg(disc_reg as u32), Operand::Reg(test_reg as u32)));
ctx.inst(Inst::new(OpCode::EQ, Operand::Reg(eq_reg), Operand::Reg(disc_reg), Operand::Reg(test_reg)));
ctx.inst(Inst::jmp_if_true(eq_reg, case_label));
ctx.restore_reg_checkpoint(compare_reg_checkpoint);
}
}
let has_default = cases.iter().any(|c| c.test.is_none());
@@ -44,7 +42,7 @@ impl Emitter {
Ok(None)
}
pub(crate) fn emit_switch_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_switch_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::SwitchStatement(_) => self.emit_switch_statement(stmt, ctx),
_ => Ok(None),
crates/oxide_emit/src/symbol_table.rs
+7 -7
View File
@@ -20,7 +20,7 @@ pub(crate) struct Scope {
}
pub(crate) struct Binding {
pub(crate) reg: u8,
pub(crate) reg: u32,
pub(crate) initialized: bool,
pub(crate) is_const: bool,
}
@@ -79,7 +79,7 @@ impl SymbolTable {
/// 声明绑定：`var` 提升到函数作用域，`let`/`const` 落在当前块。
/// 初始为未初始化态（TDZ）；重复声明报错。
pub fn declare(
&mut self, name: &str, reg: u8, kind: VariableDeclarationKind, is_const: bool,
&mut self, name: &str, reg: u32, kind: VariableDeclarationKind, is_const: bool,
) -> Result<(), String> {
let target_idx = if matches!(kind, VariableDeclarationKind::Var) {
self.find_var_target_scope()
@@ -103,7 +103,7 @@ impl SymbolTable {
}
/// 从内到外查找已初始化绑定；命中未初始化绑定报 TDZ 错误，未找到报未定义。
pub fn lookup(&self, name: &str) -> Result<u8, String> {
pub fn lookup(&self, name: &str) -> Result<u32, String> {
for scope in self.scopes.iter().rev() {
if let Some(b) = scope.bindings.get(name) {
if b.initialized {
@@ -115,7 +115,7 @@ impl SymbolTable {
Err(format!("Identifier '{name}' is not defined"))
}
pub(crate) fn lookup_any(&self, name: &str) -> Option<u8> {
pub(crate) fn lookup_any(&self, name: &str) -> Option<u32> {
self.scopes
.iter()
.rev()
@@ -132,7 +132,7 @@ impl SymbolTable {
}
/// 查找或视为全局：未命中时以 `reg_for_new` 在全局作用域登记并返回（隐式全局）。
pub fn lookup_or_global(&mut self, name: &str, reg_for_new: u8) -> u8 {
pub fn lookup_or_global(&mut self, name: &str, reg_for_new: u32) -> u32 {
for scope in self.scopes.iter().rev() {
if let Some(b) = scope.bindings.get(name) {
return b.reg;
@@ -164,7 +164,7 @@ impl SymbolTable {
/// 声明并直接标记为已初始化；绑定已存在时仅补初始化标志（供预声明路径）。
pub fn declare_initialized(
&mut self, name: &str, reg: u8, kind: VariableDeclarationKind, is_const: bool,
&mut self, name: &str, reg: u32, kind: VariableDeclarationKind, is_const: bool,
) -> Result<(), String> {
let target_idx = if matches!(kind, VariableDeclarationKind::Var) {
self.find_var_target_scope()
@@ -189,7 +189,7 @@ impl SymbolTable {
}
/// 在全局作用域预登记绑定（builtin 全局等），不覆盖已存在的同名绑定。
pub fn pre_register_global(&mut self, name: &str, reg: u8) {
pub fn pre_register_global(&mut self, name: &str, reg: u32) {
self.scopes[0].bindings.entry(name.to_string()).or_insert(Binding {
reg,
initialized: true,
crates/oxide_ir/src/inst.rs
+6 -6
View File
@@ -168,30 +168,30 @@ impl Inst {
}
/// 条件寄存器为 false 时跳转。
pub fn jmp_if_false(cond_reg: u8, label: LabelId) -> Self {
pub fn jmp_if_false(cond_reg: u32, label: LabelId) -> Self {
Self::new(
OpCode::JMP_IF_FALSE,
Operand::Reg(cond_reg as u32),
Operand::Reg(cond_reg),
Operand::None,
Operand::Label(label),
)
}
/// 条件寄存器为 true 时跳转。
pub fn jmp_if_true(cond_reg: u8, label: LabelId) -> Self {
pub fn jmp_if_true(cond_reg: u32, label: LabelId) -> Self {
Self::new(
OpCode::JMP_IF_TRUE,
Operand::Reg(cond_reg as u32),
Operand::Reg(cond_reg),
Operand::None,
Operand::Label(label),
)
}
/// 条件寄存器为 null/undefined 时跳转（`??` / 可选链短路）。
pub fn jmp_if_nullish(cond_reg: u8, label: LabelId) -> Self {
pub fn jmp_if_nullish(cond_reg: u32, label: LabelId) -> Self {
Self::new(
OpCode::JMP_IF_NULLISH,
Operand::Reg(cond_reg as u32),
Operand::Reg(cond_reg),
Operand::None,
Operand::Label(label),
)
crates/oxide_ir/src/lib.rs
+2 -5
View File
@@ -40,20 +40,18 @@ pub struct IRFunction {
// bindings 域
pub param_layout: ParamLayout,
// builtins 域
pub builtin_reg_map: Vec<(String, u8)>,
pub builtin_reg_map: Vec<(String, u32)>,
// closures 域
pub upvalue_captures: Vec<UpvalueCapture>,
pub cells_needed: u8,
// meta 域
pub n_registers: u8,
pub n_registers: u32,
pub is_arrow: bool,
pub is_class_constructor: bool,
pub is_derived_constructor: bool,
pub needs_home_object: bool,
pub captured_this_const_idx: u16,
pub function_name: Option<String>,
/// emit 侧溢出证据，lowering 读标志报错（D-20）。
pub reg_overflow: bool,
pub const_overflow: bool,
// nested 域
pub nested: Vec<IRFunction>,
@@ -78,7 +76,6 @@ impl IRFunction {
needs_home_object: false,
captured_this_const_idx: 0,
function_name: None,
reg_overflow: false,
const_overflow: false,
nested: Vec::new(),
}
crates/oxide_ir/src/lower.rs
+8 -4
View File
@@ -14,9 +14,6 @@ use crate::IRFunction;
/// IRFunction → CompiledModule。错误消息与现状（退役前 compiler.rs）逐字一致。
pub fn lower(f: &IRFunction) -> Result<CompiledModule, String> {
// 溢出检查 1：寄存器（仅 Operand::Reg 变体；This/NewTarget 是语义操作数，映射 254/255 合法）
if f.reg_overflow {
return Err("RangeError: function body uses too many registers (max 253)".into());
}
for inst in &f.insts {
for o in [&inst.rd, &inst.a, &inst.b] {
if let Operand::Reg(r) = o {
@@ -27,6 +24,13 @@ pub fn lower(f: &IRFunction) -> Result<CompiledModule, String> {
}
}
// 溢出检查 1b：n_registers（u32 → CompiledModule u8 前的显式截断检查）。
// n_registers = max_regs = 最高分配号 + 1，合法上限 254（reg 0..253）。
// 纯参数/空体函数可能无指令引用最高号寄存器，逐指令检查漏掉，计数检查兜底防 u8 静默截断。
if f.n_registers > 254 {
return Err("RangeError: function body uses too many registers (max 253)".into());
}
// 溢出检查 2：常量池
if f.const_overflow || f.constants.len() > u16::MAX as usize {
return Err("RangeError: too many constants".into());
@@ -72,7 +76,7 @@ pub fn lower(f: &IRFunction) -> Result<CompiledModule, String> {
Ok(CompiledModule {
bytecode: instrs,
constants: f.constants.clone(),
n_registers: f.n_registers,
n_registers: f.n_registers as u8,
n_args: f.param_layout.count as u8,
param_base: f.param_layout.base as u8,
builtin_reg_map: f.builtin_reg_map.clone(),
crates/oxide_ir/tests/lowering_tests.rs
+2 -2
View File
@@ -188,10 +188,10 @@ fn module_fields_are_copied_through() {
}
#[test]
fn reg_overflow_flag_errors() {
fn n_registers_overflow_errors() {
let mut f = base_module();
f.insts.push(Inst::new(OpCode::NOP, Operand::None, Operand::None, Operand::None));
f.reg_overflow = true;
f.n_registers = 300;
let err = lower_err(&f);
assert!(err.contains("too many registers"), "unexpected error: {err}");
}