refactor: 清除旧代码并展开 crate

2026-07-05 18:43:22 +08:00
parent f9c36ad679
commit 13cf9127e3
66 changed files with 1413 additions and 2566 deletions
@@ -0,0 +1,51 @@
+use crate::compiler::{CompileCtx, Compiler, ParamSpec};
+use oxide_bytecode::opcode::{self, OpCode};
+use oxide_parser::{Statement, VariableDeclarationKind};
+
+impl Compiler {
+    pub(crate) fn count_function_declaration(&self, decl: &oxide_parser::Function<'_>, ctx: &mut CompileCtx) {
+        let name = if let Some(id) = &decl.id {
+            id.name.to_string()
+        } else {
+            return;
+        };
+        let func_reg = ctx.alloc_reg();
+        let _ = ctx.declare_initialized(&name, func_reg, VariableDeclarationKind::Var, false);
+        ctx.count_words(2);
+    }
+
+    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.sub_modules.push(sub_module);
+        let sub_idx = ctx.sub_modules.len() as u32;
+        let var_reg = ctx.lookup(&name)?;
+        ctx.reserve_reg(var_reg);
+        ctx.emit_create_closure(var_reg, sub_idx);
+        ctx.emit(opcode::encode(OpCode::STORE_VAR, var_reg, var_reg, 0));
+        Ok(None)
+    }
+}