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refactor: 移除迭代计数辅助

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彭俊皓
2026-08-05 01:23:39 +08:00
parent fd978b7ef8
commit c4ea84bda1
8 changed files with 1 additions and 188 deletions
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crates/oxide_compiler/src/shared/binding.rs
-45
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@@ -7,51 +7,6 @@ use oxide_parser::{
};
impl Compiler {
pub(crate) fn count_binding_pattern(&self, pattern: &BindingPattern, ctx: &mut CompileCtx) {
match pattern {
BindingPattern::BindingIdentifier(_) => {
ctx.alloc_reg();
ctx.projected_pc += 1;
}
BindingPattern::ArrayPattern(ap) => {
ctx.count_instr(); // FOR_OF_INIT
for elem in &ap.elements {
ctx.alloc_reg();
ctx.count_instr(); // FOR_OF_DONE
ctx.alloc_reg();
ctx.count_instr(); // FOR_OF_NEXT
if let Some(inner) = elem {
self.count_binding_pattern(inner, ctx);
}
}
if let Some(rest) = &ap.rest {
self.count_rest_array(ctx);
self.count_binding_pattern(&rest.argument, ctx);
}
ctx.count_instr(); // FOR_OF_CLOSE
}
BindingPattern::ObjectPattern(op) => {
for prop in &op.properties {
self.count_object_property_read_key(&prop.key, prop.computed, ctx);
self.count_binding_pattern(&prop.value, ctx);
}
if let Some(rest) = &op.rest {
ctx.alloc_reg();
ctx.count_instr_with_ext(1); // REST_OBJECT + excluded-keys ext
self.count_binding_pattern(&rest.argument, ctx);
}
}
BindingPattern::AssignmentPattern(ap) => {
ctx.count_load_const(); // undefined
ctx.count_instr(); // STRICT_EQ
ctx.count_jump(); // JMP_IF_FALSE
self.count_expression(&ap.right, ctx);
ctx.count_instr(); // LOAD_VAR default
self.count_binding_pattern(&ap.left, ctx);
}
}
}
pub(crate) fn count_rest_array(&self, ctx: &mut CompileCtx) {
ctx.alloc_reg(); // rest
ctx.count_instr(); // NEW_ARRAY