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feat: 支持 class extends 与 super 调用

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This commit is contained in:
爱特每羊队
2026-06-09 09:51:34 +08:00
parent 85e78bd248
commit 5638638909
12 changed files with 478 additions and 32 deletions
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crates/oxide_compiler/src/counter.rs
+44 -6
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@@ -9,8 +9,18 @@ impl Compiler {
fn count_class(&self, class: &oxide_parser::Class, ctx: &mut CompileCtx) {
ctx.alloc_reg(); // ctor_reg
ctx.alloc_reg(); // proto_reg
if let Some(super_class) = &class.super_class {
self.count_expression(super_class, ctx);
}
ctx.projected_pc += 2; // LOAD_CONST ctor + NEW_OBJECT proto
if class.super_class.is_some() {
ctx.alloc_reg(); // parent prototype key
ctx.alloc_reg(); // parent prototype value
ctx.alloc_reg(); // __proto__ key
ctx.projected_pc += 5; // LOAD_CONST + GET_PROP + LOAD_CONST + two SET_PROP
}
for element in &class.body.body {
let ClassElement::MethodDefinition(method) = element else {
continue;
@@ -21,7 +31,7 @@ impl Compiler {
MethodDefinitionKind::Method => {
ctx.alloc_reg(); // method_reg
ctx.alloc_reg(); // key_reg
ctx.projected_pc += 3; // LOAD_CONST method + LOAD_CONST key + SET_PROP
ctx.projected_pc += 4; // LOAD_CONST method + SET_HOME_OBJECT + LOAD_CONST key + SET_PROP
}
MethodDefinitionKind::Get | MethodDefinitionKind::Set => {}
}
@@ -335,13 +345,32 @@ impl Compiler {
}
}
Expression::CallExpression(call) => {
if matches!(&call.callee, Expression::Super(_)) {
for arg in &call.arguments {
if let Some(expr) = arg.as_expression() {
self.count_expression(expr, ctx);
}
}
ctx.alloc_reg();
ctx.projected_pc += 2; // SUPER_CALL + arg_count ext word
return;
}
match &call.callee {
Expression::StaticMemberExpression(member) => {
self.count_expression(&member.object, ctx);
ctx.alloc_reg();
ctx.projected_pc += 1;
ctx.alloc_reg();
ctx.projected_pc += 5; // LOAD_VAR + IC_GET_PROP + 3 ext words
if matches!(&member.object, Expression::Super(_)) {
ctx.alloc_reg(); // this register
ctx.projected_pc += 1; // LOAD_VAR this
ctx.alloc_reg(); // key
ctx.projected_pc += 1; // LOAD_CONST key
ctx.alloc_reg(); // callee
ctx.projected_pc += 1; // SUPER_GET_PROP
} else {
self.count_expression(&member.object, ctx);
ctx.alloc_reg();
ctx.projected_pc += 1;
ctx.alloc_reg();
ctx.projected_pc += 5; // LOAD_VAR + IC_GET_PROP + 3 ext words
}
}
_ => {
self.count_expression(&call.callee, ctx);
@@ -547,6 +576,15 @@ impl Compiler {
}
}
Expression::StaticMemberExpression(member) => {
if matches!(&member.object, Expression::Super(_)) {
ctx.alloc_reg(); // key
ctx.projected_pc += 1; // LOAD_CONST key
ctx.alloc_reg(); // this
ctx.projected_pc += 1; // LOAD_VAR this
ctx.alloc_reg(); // result
ctx.projected_pc += 1; // SUPER_GET_PROP
return;
}
self.count_expression(&member.object, ctx);
ctx.alloc_reg();
ctx.projected_pc += 1; // LOAD_CONST key