stage1 重写进行代码设计并重构 提供diag替换老旧错误处理
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#ifndef __SPL_DIAG_H__
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#define __SPL_DIAG_H__
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#include "../stage0/include/utils.h"
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#include "spl_dbg.h"
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typedef enum {
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SPL_DIAG_LEVEL_NOTE = 0,
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SPL_DIAG_LEVEL_WARN,
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SPL_DIAG_LEVEL_ERROR,
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SPL_DIAG_LEVEL_FATAL,
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} spl_diag_level_t;
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typedef enum {
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SPL_STAGE_NONE = 0,
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SPL_STAGE_LEX,
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SPL_STAGE_PARSE,
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SPL_STAGE_SEMA,
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SPL_STAGE_AST2IR,
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SPL_STAGE_IR2VM,
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SPL_STAGE_DRIVER,
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} spl_diag_stage_t;
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/* kind 枚举：边写边补。新增时放对应分组末尾即可。 */
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typedef enum {
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SPL_DIAG_KIND_NONE = 0,
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/* 词法 / 语法 */
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SPL_DIAG_KIND_LEX_UNEXPECTED,
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SPL_DIAG_KIND_PARSE_EXPECTED,
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SPL_DIAG_KIND_PARSE_UNRECOGNIZED,
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/* sema */
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SPL_DIAG_KIND_UNDEFINED_SYMBOL,
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SPL_DIAG_KIND_DUPLICATE_SYMBOL,
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SPL_DIAG_KIND_TYPE_MISMATCH,
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SPL_DIAG_KIND_ARG_COUNT_MISMATCH,
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SPL_DIAG_KIND_NOT_A_FUNCTION,
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SPL_DIAG_KIND_NO_FIELD,
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SPL_DIAG_KIND_NO_METHOD,
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SPL_DIAG_KIND_INDEX_BASE_INVALID,
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SPL_DIAG_KIND_TUPLE_INDEX_OOB,
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SPL_DIAG_KIND_FITS_OVERFLOW,
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SPL_DIAG_KIND_CIRCULAR_DEP,
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SPL_DIAG_KIND_BREAK_OUTSIDE_LOOP,
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SPL_DIAG_KIND_CONTINUE_OUTSIDE_LOOP,
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SPL_DIAG_KIND_UNDEFINED_LABEL,
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SPL_DIAG_KIND_CAST_INVALID,
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SPL_DIAG_KIND_UNKNOWN_ATTR,
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SPL_DIAG_KIND_UNKNOWN_INTRIN,
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SPL_DIAG_KIND_INTRIN_ARG_COUNT,
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SPL_DIAG_KIND_VAR_UNINITIALIZED,
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SPL_DIAG_KIND_CANNOT_INFER,
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SPL_DIAG_KIND_MUST_RETURN_VALUE,
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/* ast2ir */
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SPL_DIAG_KIND_UNHANDLED_NODE,
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SPL_DIAG_KIND_IMPLICIT_CAST_FAIL,
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SPL_DIAG_KIND_NO_LVALUE,
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SPL_DIAG_KIND_BAD_FIELD_INDEX,
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SPL_DIAG_KIND_BAD_BLOCK,
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/* ir2vm */
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SPL_DIAG_KIND_IR_UNKNOWN_KIND,
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SPL_DIAG_KIND_FRAME_OVERFLOW,
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/* 通用 */
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SPL_DIAG_KIND_INTERNAL,
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} spl_diag_kind_t;
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typedef struct {
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spl_dbg_node_t loc;
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char *fn_name;
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char *label;
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} spl_diag_frame_t;
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typedef VEC(spl_diag_frame_t) spl_diag_frame_vec_t;
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typedef struct {
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spl_dbg_node_t loc;
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char *message;
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} spl_diag_note_t;
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typedef VEC(spl_diag_note_t) spl_diag_note_vec_t;
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typedef struct {
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spl_diag_level_t level;
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spl_diag_stage_t stage;
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spl_diag_kind_t kind;
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spl_dbg_node_t loc;
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char *message;
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spl_diag_frame_vec_t ctx;
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spl_diag_note_vec_t notes;
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} spl_diag_record_t;
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typedef VEC(spl_diag_record_t) spl_diag_record_vec_t;
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typedef struct spl_diag {
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spl_diag_frame_vec_t ctx;
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spl_diag_record_vec_t records;
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usize num_printed;
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bool collect;
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usize n_errors;
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usize n_warns;
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usize n_fatals;
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spl_diag_stage_t stage;
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void *fout;
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bool color;
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} spl_diag_t;
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void spl_diag_init(spl_diag_t *d, void *fout);
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void spl_diag_drop(spl_diag_t *d);
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void spl_diag_reset(spl_diag_t *d);
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void spl_diag_set_stage(spl_diag_t *d, spl_diag_stage_t stage);
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void spl_diag_set_output(spl_diag_t *d, FILE *out);
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void spl_diag_set_color(spl_diag_t *d, bool enabled);
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void spl_diag_set_collect(spl_diag_t *d, bool enabled);
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void spl_diag_push(spl_diag_t *d, const spl_dbg_node_t *loc, const char *fn_name,
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const char *label);
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void spl_diag_pop(spl_diag_t *d);
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usize spl_diag_depth(const spl_diag_t *d);
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/* ============================================================
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* 发射
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*
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* 每个级别都生成独立的 spl_diag_record_t：
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* - 计入 records（collect=true 时）
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* - error/fatal 计入 n_errors，warn 计入 n_warns
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* - 立刻输出到 out（如果非 NULL）
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*
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* 四种级别的语义区别：
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* note —— 一般信息；不阻塞；用在前序诊断之外的独立说明
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* warn —— 警告；不阻塞；driver 可忽略
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* error —— 用户代码错误；调用者应 return 0
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* fatal —— 用户代码错误到数据结构已损坏；调用者必须 return 0
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* ============================================================ */
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void spl_diag_note(spl_diag_t *d, spl_diag_kind_t kind, const spl_dbg_node_t *loc, const char *fmt,
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...);
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void spl_diag_warn(spl_diag_t *d, spl_diag_kind_t kind, const spl_dbg_node_t *loc, const char *fmt,
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...);
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void spl_diag_error(spl_diag_t *d, spl_diag_kind_t kind, const spl_dbg_node_t *loc, const char *fmt,
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...);
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void spl_diag_fatal(spl_diag_t *d, spl_diag_kind_t kind, const spl_dbg_node_t *loc, const char *fmt,
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...);
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/* 挂到最近一条记录（records 末尾）的 notes 列表下。
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* 不生成独立记录、不计入计数，输出时显示为：
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* note: <loc>
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* <msg>
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* 使用场景：辅助说明前一条诊断，例如
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* spl_diag_error(d, DUPLICATE_SYMBOL, &n->dbg, "duplicate symbol `foo`");
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* spl_diag_attach_note(d, &prev->dbg, "previously defined here");
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* 约束：只在 records 非空时生效；否则静默丢弃，不报错。 */
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void spl_diag_attach_note(spl_diag_t *d, const spl_dbg_node_t *loc, const char *fmt, ...);
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bool spl_diag_has_error(const spl_diag_t *d);
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bool spl_diag_has_fatal(const spl_diag_t *d);
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usize spl_diag_error_count(const spl_diag_t *d);
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usize spl_diag_warn_count(const spl_diag_t *d);
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void spl_diag_summary(const spl_diag_t *d);
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const char *spl_diag_kind_name(spl_diag_kind_t k);
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const char *spl_diag_stage_name(spl_diag_stage_t s);
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const char *spl_diag_level_name(spl_diag_level_t l);
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#endif /* __SPL_DIAG_H__ */
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