refactor(ir): 将IR节点重构为值引用并添加字符串字面量支持
- 将scc_ir_node_ref_t重命名为scc_ir_value_ref_t,并更新所有相关API - 修改IR定义中的节点标签枚举为值标签枚举(scc_ir_node_tag_t -> scc_ir_value_tag_t) - 更新AST到IR转换器中所有节点引用的类型声明 - 添加对内置类型(VOID, CHAR, INT等)的完整映射实现 - 实现字符串字面量的常量数组创建功能 - 更新项目名称从"Simple Modual C Compiler"为"Simple C Compiler" - 在Doxyfile中排除external目录的文档生成 - 移除未使用的strpool字段并重命名decl到IR的映射表 BREAKING CHANGE: IR节点引用类型已更改,所有使用scc_ir_node_ref_t的地方需 替换为scc_ir_value_ref_t。
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@@ -8,9 +8,11 @@
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typedef unsigned int ir_handle_t;
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typedef const char *scc_ir_label_t;
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typedef struct scc_ir_node scc_ir_node_t;
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typedef ir_handle_t scc_ir_node_ref_t;
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typedef SCC_VEC(scc_ir_node_ref_t) scc_ir_node_ref_vec_t;
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typedef SCC_VEC(u8) scc_ir_buffer_t;
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typedef struct scc_ir_value scc_ir_value_t;
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typedef ir_handle_t scc_ir_value_ref_t;
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typedef SCC_VEC(scc_ir_value_ref_t) scc_ir_node_ref_vec_t;
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typedef struct scc_ir_type scc_ir_type_t;
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typedef ir_handle_t scc_ir_type_ref_t;
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@@ -41,7 +43,6 @@ typedef enum scc_ir_type_tag {
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SCC_IR_TYPE_f32,
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SCC_IR_TYPE_f64,
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SCC_IR_TYPE_f128,
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SCC_IR_TYPE_PTR,
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SCC_IR_TYPE_ARRAY,
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SCC_IR_TYPE_FUNC,
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@@ -84,26 +85,28 @@ struct scc_ir_func {
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scc_ir_bblock_ref_vec_t bblocks;
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};
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typedef enum scc_ir_node_tag {
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SCC_IR_NODE_NULL,
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SCC_IR_NODE_CONST_INT,
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SCC_IR_NODE_CONST_UINT,
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SCC_IR_NODE_CONST_FLOAT,
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SCC_IR_NODE_CONV, ///< 类型转换
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SCC_IR_NODE_FUNC_ARG_REF, ///< 函数参数引用
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SCC_IR_NODE_BLOCK_ARG_REF, ///< 基本块参数引用
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SCC_IR_NODE_ALLOC, ///< 分配内存(stack)
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SCC_IR_NODE_GLOBAL_ALLOC, ///< 全局分配(bss)
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SCC_IR_NODE_LOAD, ///< 加载数据
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SCC_IR_NODE_STORE, ///< 存储数据
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SCC_IR_NODE_GET_PTR, ///< 获取指针
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SCC_IR_NODE_GET_ELEM_PTR, ///< 获取元素指针(used by array)
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SCC_IR_NODE_OP, ///< 二元运算
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SCC_IR_NODE_BRANCH, ///< 有条件分支
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SCC_IR_NODE_JUMP, ///< 无条件跳转
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SCC_IR_NODE_CALL, ///< 调用函数
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SCC_IR_NODE_RET, ///< 函数返回
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} scc_ir_node_tag_t;
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typedef enum scc_ir_value_tag {
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SCC_IR_VALUE_TAG_NULL,
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SCC_IR_VALUE_TAG_CONST_INT,
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SCC_IR_VALUE_TAG_CONST_UINT,
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SCC_IR_VALUE_TAG_CONST_FLOAT,
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SCC_IR_VALUE_TAG_CONST_ARRAY,
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SCC_IR_VALUE_TAG_AGGREGATE, ///< 聚合值
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SCC_IR_VALUE_TAG_CONV, ///< 类型转换
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SCC_IR_VALUE_TAG_FUNC_ARG_REF, ///< 函数参数引用
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SCC_IR_VALUE_TAG_BLOCK_ARG_REF, ///< 基本块参数引用
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SCC_IR_VALUE_TAG_ALLOC, ///< 分配内存
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SCC_IR_VALUE_TAG_GLOBAL_ALLOC, ///< 全局分配
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SCC_IR_VALUE_TAG_LOAD, ///< 加载数据
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SCC_IR_VALUE_TAG_STORE, ///< 存储数据
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SCC_IR_VALUE_TAG_GET_PTR, ///< 获取指针
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SCC_IR_VALUE_TAG_GET_ELEM_PTR, ///< 获取元素指针
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SCC_IR_VALUE_TAG_OP, ///< 二元运算
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SCC_IR_VALUE_TAG_BRANCH, ///< 有条件分支
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SCC_IR_VALUE_TAG_JUMP, ///< 无条件跳转
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SCC_IR_VALUE_TAG_CALL, ///< 调用函数
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SCC_IR_VALUE_TAG_RET, ///< 函数返回
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} scc_ir_value_tag_t;
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typedef enum {
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/// Empty op for init or nop
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@@ -172,49 +175,55 @@ typedef union {
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u8 float_any[16];
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} scc_ir_const_float_t;
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struct scc_ir_node {
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struct scc_ir_value {
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scc_ir_type_ref_t type;
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scc_ir_label_t name;
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scc_ir_node_ref_vec_t used_by;
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scc_ir_node_tag_t tag;
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scc_ir_value_tag_t tag;
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union {
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scc_ir_const_int_t const_int;
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scc_ir_const_uint_t const_uint;
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scc_ir_const_float_t const_float;
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// aggregate;
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struct {
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scc_ir_value_ref_t base_type;
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scc_ir_buffer_t elements;
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} const_array;
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struct {
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scc_ir_node_ref_vec_t elements;
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} aggregate;
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struct {
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usize idx;
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} arg_ref;
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struct {
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scc_ir_node_ref_vec_t elements;
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scc_ir_value_ref_t value;
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} global_alloc;
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struct {
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scc_ir_node_ref_t operand;
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scc_ir_value_ref_t operand;
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scc_ir_type_ref_t target_type; // 目标类型
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enum { CONV_SEXT, CONV_ZEXT, CONV_TRUNC } conv_type;
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} conv;
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struct {
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scc_ir_node_ref_t target;
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scc_ir_value_ref_t target;
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} load;
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struct {
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scc_ir_node_ref_t target;
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scc_ir_node_ref_t value;
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scc_ir_value_ref_t target;
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scc_ir_value_ref_t value;
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} store;
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struct {
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scc_ir_node_ref_t src_addr;
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scc_ir_node_ref_t index;
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scc_ir_value_ref_t src_addr;
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scc_ir_value_ref_t index;
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} get_ptr;
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struct {
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scc_ir_node_ref_t src_addr;
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scc_ir_node_ref_t index;
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scc_ir_value_ref_t src_addr;
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scc_ir_value_ref_t index;
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} get_elem_ptr;
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struct {
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scc_ir_op_type_t op;
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scc_ir_node_ref_t lhs;
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scc_ir_node_ref_t rhs;
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scc_ir_value_ref_t lhs;
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scc_ir_value_ref_t rhs;
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} op;
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struct {
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scc_ir_node_ref_t cond;
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scc_ir_value_ref_t cond;
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scc_ir_bblock_ref_t true_bblock;
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scc_ir_bblock_ref_t false_bblock;
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} branch;
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@@ -226,7 +235,7 @@ struct scc_ir_node {
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scc_ir_node_ref_vec_t args;
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} call;
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struct {
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scc_ir_node_ref_t ret_val;
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scc_ir_value_ref_t ret_val;
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} ret;
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} data;
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};
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