refactor(compiler): 拆分 oxide_emit 为独立 emit pass crate（依赖倒置）

2026-08-05 20:13:18 +08:00
parent 9f02985a82
commit bbdfca1a1c
62 changed files with 1045 additions and 993 deletions
@@ -0,0 +1,45 @@
+use crate::{CompileCtx, Emitter, ParamSpec};
+use oxide_ir::inst::Inst;
+use oxide_ir::operand::Operand;
+use oxide_bytecode::opcode::OpCode;
+use oxide_parser::Statement;
+
+impl Emitter {
+    pub(crate) fn emit_function_declaration_statement(
+        &self, stmt: &Statement, ctx: &mut CompileCtx,
+    ) -> Result<Option<u8>, String> {
+        let Statement::FunctionDeclaration(fd) = stmt else {
+            return Err("FunctionDeclaration without name".into());
+        };
+        let name = if let Some(id) = &fd.id {
+            id.name.to_string()
+        } else {
+            return Err("FunctionDeclaration without name".into());
+        };
+        let mut param_names = Vec::new();
+        for (idx, param) in fd.params.items.iter().enumerate() {
+            match &param.pattern {
+                oxide_parser::BindingPattern::BindingIdentifier(bi) => {
+                    param_names.push(ParamSpec::Identifier(bi.name.to_string()))
+                }
+                pattern => param_names.push(ParamSpec::Pattern {
+                    synthetic_name: format!("@@param_{idx}"),
+                    pattern,
+                }),
+            }
+        }
+        let body_stmts: &[Statement] = if let Some(body) = &fd.body { &body.statements } else { &[] };
+        let mut sub_module = self.compile_function_body(&param_names, body_stmts, ctx, false, false)?;
+        sub_module.function_name = Some(name.clone());
+        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));
+        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));
+        } else {
+            ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(var_reg as u32), Operand::None));
+        }
+        Ok(None)
+    }
+}