feat(core): 重构词法分析器流接口并迁移至 core 库
将 lexer_stream 抽象为 core_stream,统一运行时核心组件的输入流模型。 移除了旧的 `lexer_stream.h` 定义,并将其功能完整迁移至 `core_stream.h` 中。 更新了内存流实现以适配新的 core_stream 接口,并修复部分资源释放问题。 同时调整日志模块包含方式,增强模块间解耦能力。 此变更影响词法分析器对输入流的操作方式,所有涉及 stream 的类型与函数均已替换为 core 前缀版本。 测试用例同步更新并验证通过。
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65
runtime/libcore/include/core_stream.h
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65
runtime/libcore/include/core_stream.h
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#ifndef __SMCC_CORE_STREAM_H__
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#define __SMCC_CORE_STREAM_H__
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#include "core_impl.h"
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#include "core_mem.h"
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#include "core_str.h"
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#include "core_macro.h"
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typedef struct core_stream core_stream_t;
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#define core_stream_eof (-1)
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struct core_stream {
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cstring_t name;
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/// @brief 读取指定数量的字符到缓冲区
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usize (*read_buf)(core_stream_t* stream, char* buffer, usize count);
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/// @brief 获取下一个字符
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int (*peek_char)(core_stream_t* stream);
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/// @brief 重置字符流位置
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void (*reset_char) (core_stream_t* stream);
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/// @brief 读取并消费下一个字符(移动流位置)
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int (*next_char)(core_stream_t* stream);
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/// @brief 释放资源
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void (*free_stream) (core_stream_t* steam);
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};
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static inline usize core_stream_read_buf(core_stream_t* self, char* buffer, usize count) {
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return self->read_buf(self, buffer, count);
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}
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static inline int core_stream_peek_char(core_stream_t* self) {
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return self->peek_char(self);
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}
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static inline void core_stream_reset_char(core_stream_t* self) {
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self->reset_char(self);
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}
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static inline int core_stream_next_char(core_stream_t* self) {
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return self->next_char(self);
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}
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static inline void core_stream_free_stream(core_stream_t* self) {
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self->free_stream(self);
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}
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#ifndef __SMCC_CORE_NO_MEM_STREAM__
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typedef struct core_mem_stream {
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core_stream_t stream;
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const char* data;
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usize data_length;
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usize curr_pos;
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usize peek_pos;
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cbool owned;
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} core_mem_stream_t;
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core_stream_t* core_mem_stream_init(core_mem_stream_t* stream, const char* data, usize length, cbool need_copy);
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#endif
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#endif /* __SMCC_CORE_STREAM_H__ */
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