stage1 重写进行代码设计并重构 提供diag替换老旧错误处理

stage1/spl_sema.h

@@ -2,11 +2,11 @@
 #define __SPL_SEMA_H__
 
 #include "spl_ast.h"
+#include "spl_attr.h"
+#include "spl_diag.h"
 #include "spl_mpa.h"
 #include "spl_type.h"
 
-#include "spl_attr.h"
-
 typedef enum {
     SPL_SYMBOL_KIND_ERROR,
     SPL_SYMBOL_KIND_VAR,
@@ -14,6 +14,7 @@ typedef enum {
     SPL_SYMBOL_KIND_FN,
     SPL_SYMBOL_KIND_TYPE,
 } spl_symbol_kind_t;
+
 typedef struct {
     const char *name;
     spl_symbol_kind_t kind;
@@ -21,11 +22,13 @@ typedef struct {
 } spl_symbol_t;
 
 typedef usize spl_scope_id_t; /* 0 is error */
+
 typedef struct {
     spl_scope_id_t parent;
     MAP(const char *, spl_symbol_t) symbols;
 } spl_scope_node_t;
 typedef VEC(spl_scope_node_t) spl_scope_node_vec_t;
+
 typedef struct {
     spl_scope_node_vec_t scopes;
     spl_scope_id_t root_scope;
@@ -34,24 +37,24 @@ typedef struct {
 
 void spl_scope_init(spl_scope_t *scope);
 void spl_scope_drop(spl_scope_t *scope);
-
 spl_scope_id_t spl_scope_alloc(spl_scope_t *scope);
 bool spl_scope_insert(spl_scope_t *scope, spl_scope_id_t id, spl_symbol_t symbol);
-typedef VEC(const char *) spl_symbol_path_t;
 bool spl_scope_find(spl_scope_t *scop, const char *symbol_name, spl_symbol_t *out);
 
+typedef VEC(const char *) spl_symbol_path_t;
+
 typedef struct {
     spl_ast_t *ast;
     spl_type_t *type;
     spl_scope_t *scope;
     spl_symbol_t root;
-    int error_count;
-    spl_scope_id_t store_scope;
     spl_attr_t *attr;
     spl_lang_type_id_t current_aggregate_lang;
     spl_lang_type_id_t current_fn_ret_tid;
     spl_lang_type_id_t current_loop_break_tid;
     spl_symbol_path_t label_stack;
+
+    spl_diag_t *diag;
 } spl_sema_t;
 
 void spl_sema_init(spl_sema_t *sema, spl_ast_t *ast, spl_type_t *type, spl_scope_t *scope,