stage1 完成15测试

stage1/spl_comp.h

@@ -47,6 +47,13 @@ typedef struct {
 } spl_enum_variant_t;
 typedef VEC(spl_enum_variant_t) spl_enum_variant_vec_t;
 
+/* Method info (struct/enum methods) */
+typedef struct {
+    char *name;
+    int func_idx;  /* index in ctx->funcs */
+} spl_method_info_t;
+typedef VEC(spl_method_info_t) spl_method_info_vec_t;
+
 struct spl_type_info {
     spl_type_kind_t kind;
     spl_type_t basic_type;       /* for TYPE_BASIC */
@@ -55,6 +62,7 @@ struct spl_type_info {
     char *name;                  /* type name for TYPE_NAME/STRUCT/ENUM */
     spl_field_vec_t fields;      /* for TYPE_STRUCT */
     spl_enum_variant_vec_t variants; /* for TYPE_ENUM */
+    spl_method_info_vec_t methods;  /* methods */
     usize byte_size;             /* total byte size (cached) */
     usize slot_count;            /* stack slot count */
     int is_pub;                  /* public visibility */
@@ -118,6 +126,13 @@ typedef VEC(spl_func_info_t) spl_func_info_vec_t;
 #define COMP_ERROR_MAX 256
 #define DEFER_MAX 64
 
+typedef struct {
+    usize body_start;  /* IP where defer body starts (after skip-JMP) */
+    usize jmp_exit;    /* IP of the JMP after the body (to patch at scope exit) */
+    int depth;         /* scope depth */
+    int count_at_decl; /* defer_count when declared */
+} spl_defer_entry_t;
+
 typedef struct {
     /* Lexer output */
     spl_tok_vec_t toks;
@@ -155,7 +170,7 @@ typedef struct {
     usize continue_target;  /* ip to jump to for continue */
 
     /* Defer stack */
-    usize defer_addrs[DEFER_MAX];
+    spl_defer_entry_t defer_stack[DEFER_MAX];
     int defer_count;
 
     /* Global data index for string literals */
@@ -247,7 +262,7 @@ void spl_comp_register(spl_prog_t *prog);
 
 /* Defer */
 void spl_emit_defer(spl_comp_t *ctx);
-void spl_emit_defer_epilogue(spl_comp_t *ctx);
+void spl_emit_defer_epilogue(spl_comp_t *ctx, int depth);
 
 /* Type lookup and parsing */
 spl_type_info_t *spl_resolve_type(spl_comp_t *ctx, const char *name);