Files
scc/libs/ast/include/scc_ast.h
zzy eeb4c4fc3c feat(ast): 重构AST节点类型定义并实现数组下标访问
- 将scc_ast_node_type_t重命名为scc_ast_node_kind_t以提高语义清晰度
- 为scc_ast_node结构体添加名称定义
- 更新所有相关头文件中的类型引用
- 实现数组下标表达式的IR转换逻辑
- 添加对sizeof和alignof表达式的基本支持

fix(ast2ir): 修复表达式求值和类型处理问题

- 修复数组类型退化为指针的逻辑
- 修复变量声明初始化值检查条件
- 添加结构体和枚举类型的IR生成支持
- 移除未使用的代码段

refactor(ir): 完善IR上下文错误处理

- 为未处理的类型标签添加恐慌处理
- 修复联合类型的哈希计算

chore(build): 更新依赖项配置

- 修正lexer模块中的依赖项名称

style(parser): 清理解析器代码

- 移除未使用的类型哈希表
- 更新语义分析回调函数签名
- 添加属性语法的占位符实现
- 完善内存清理逻辑

test: 添加数组下标和枚举测试用例

- 新增15_array_subscript.c测试数组下标访问
- 新增16_enum.c测试枚举类型功能
- 更新期望结果配置文件
2026-04-09 11:18:32 +08:00

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#ifndef __SCC_AST_H__
#define __SCC_AST_H__
#include "ast_def.h"
#include "ast_dump.h"
// decls can be nullptr but maybe warning
static inline void
scc_ast_translation_unit_init(scc_ast_translation_unit_t *translation_unit,
scc_ast_decl_vec_t *decls, scc_pos_t loc) {
Assert(translation_unit != nullptr);
translation_unit->base.type = SCC_AST_TRANSLATION_UNIT;
translation_unit->base.loc = loc;
if (decls == nullptr) {
scc_vec_init(translation_unit->declarations);
} else {
translation_unit->declarations = *decls;
scc_vec_init(*decls);
}
}
static inline void scc_ast_decl_list_init(scc_ast_decl_t *decl,
scc_ast_decl_vec_t *list_move,
scc_pos_t loc) {
Assert(decl != nullptr && list_move != nullptr);
decl->base.loc = loc;
decl->base.type = SCC_AST_DECL_LIST;
decl->name = nullptr;
decl->list.vars = *list_move;
scc_vec_init(*list_move);
}
// name and var_init can be nullptr
static inline void scc_ast_decl_unsafe_val_init(scc_ast_decl_t *decl,
scc_ast_type_t *type,
const char *name,
scc_ast_expr_t *var_init,
scc_pos_t loc) {
Assert(decl != nullptr && type != nullptr);
decl->base.loc = loc;
decl->base.type = SCC_AST_DECL_VAR;
decl->name = name;
decl->var.type = type;
decl->var.init = var_init;
}
// var_init can be nullptr
static inline void scc_ast_decl_val_init(scc_ast_decl_t *decl,
scc_ast_type_t *type, const char *name,
scc_ast_expr_t *var_init,
scc_pos_t loc) {
Assert(decl != nullptr && name != nullptr && type != nullptr);
decl->base.loc = loc;
decl->base.type = SCC_AST_DECL_VAR;
decl->name = name;
decl->var.type = type;
decl->var.init = var_init;
}
// body can be nullptr
static inline void scc_ast_decl_func_init(scc_ast_decl_t *decl,
scc_ast_type_t *type,
const char *name,
scc_ast_stmt_t *body, scc_pos_t loc) {
Assert(decl != nullptr && name != nullptr && type != nullptr);
decl->base.loc = loc;
decl->base.type = SCC_AST_DECL_FUNC;
decl->name = name;
decl->func.type = type;
Assert(type->base.type == SCC_AST_TYPE_FUNCTION);
decl->func.body = body;
}
// name can be nullptr
static inline void scc_ast_decl_param_init(scc_ast_decl_t *decl,
scc_ast_type_t *type,
const char *name, scc_pos_t loc) {
Assert(decl != nullptr && type != nullptr);
decl->base.loc = loc;
decl->base.type = SCC_AST_DECL_PARAM;
decl->name = name;
decl->param.type = type;
}
static inline void _scc_ast_decl_record_init(scc_ast_decl_t *decl,
scc_ast_node_kind_t type,
const char *name,
scc_ast_decl_vec_t *fields_move,
scc_pos_t loc) {
Assert(decl != nullptr);
decl->base.loc = loc;
decl->base.type = type;
decl->name = name;
if (fields_move == nullptr) {
scc_vec_init(decl->record.fields);
} else {
decl->record.fields = *fields_move;
scc_vec_init(*fields_move);
}
}
// name and fields can be nullptr
static inline void scc_ast_decl_struct_init(scc_ast_decl_t *decl,
const char *name,
scc_ast_decl_vec_t *fields_move,
scc_pos_t loc) {
_scc_ast_decl_record_init(decl, SCC_AST_DECL_STRUCT, name, fields_move,
loc);
}
// name and fields can be nullptr
static inline void scc_ast_decl_union_init(scc_ast_decl_t *decl,
const char *name,
scc_ast_decl_vec_t *fields_move,
scc_pos_t loc) {
_scc_ast_decl_record_init(decl, SCC_AST_DECL_UNION, name, fields_move, loc);
}
// name and fields can be nullptr
static inline void scc_ast_decl_enum_init(scc_ast_decl_t *decl,
const char *name,
scc_ast_decl_vec_t *fields_move,
scc_pos_t loc) {
_scc_ast_decl_record_init(decl, SCC_AST_DECL_ENUM, name, fields_move, loc);
}
static inline void scc_ast_decl_typedef_init(scc_ast_decl_t *decl,
const char *name,
scc_ast_type_t *type,
scc_pos_t loc) {
Assert(decl != nullptr && name != nullptr && type != nullptr);
decl->base.loc = loc;
decl->base.type = SCC_AST_DECL_TYPEDEF;
decl->name = name;
decl->typedef_decl.type = type;
}
// items can be nullptr
static inline void scc_ast_stmt_compound_init(
scc_ast_stmt_t *stmt, scc_ast_block_item_vec_t *items_move, scc_pos_t loc) {
Assert(stmt != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_COMPOUND;
if (items_move == nullptr) {
scc_vec_init(stmt->compound.block_items);
} else {
stmt->compound.block_items = *items_move;
scc_vec_init(*items_move);
}
}
// expr can be nullptr
static inline void scc_ast_stmt_expr_init(scc_ast_stmt_t *stmt,
scc_ast_expr_t *expr, scc_pos_t loc) {
Assert(stmt != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_EXPR;
stmt->expr.expr = expr;
}
// opt_else can be nullptr
static inline void scc_ast_stmt_if_init(scc_ast_stmt_t *stmt,
scc_ast_expr_t *cond,
scc_ast_stmt_t *then,
scc_ast_stmt_t *opt_else,
scc_pos_t loc) {
Assert(stmt != nullptr && cond != nullptr && then != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_IF;
stmt->if_stmt.cond = cond;
stmt->if_stmt.then_stmt = then;
stmt->if_stmt.opt_else_stmt = opt_else;
}
static inline void scc_ast_stmt_while_init(scc_ast_stmt_t *stmt,
scc_ast_expr_t *cond,
scc_ast_stmt_t *body,
scc_pos_t loc) {
Assert(stmt != nullptr && cond != nullptr && body != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_WHILE;
stmt->while_stmt.cond = cond;
stmt->while_stmt.body = body;
}
static inline void scc_ast_stmt_do_while_init(scc_ast_stmt_t *stmt,
scc_ast_expr_t *cond,
scc_ast_stmt_t *body,
scc_pos_t loc) {
Assert(stmt != nullptr && cond != nullptr && body != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_DO_WHILE;
stmt->while_stmt.cond = cond;
stmt->while_stmt.body = body;
}
// FIXME
static inline void scc_ast_stmt_for_init(scc_ast_stmt_t *stmt,
scc_ast_node_t *init,
scc_ast_expr_t *cond,
scc_ast_expr_t *incr,
scc_ast_stmt_t *body, scc_pos_t loc) {
Assert(stmt != nullptr && body != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_FOR;
stmt->for_stmt.init = init;
stmt->for_stmt.cond = cond;
stmt->for_stmt.incr = incr;
stmt->for_stmt.body = body;
}
static inline void scc_ast_stmt_switch_init(scc_ast_stmt_t *stmt,
scc_ast_expr_t *cond,
scc_ast_stmt_t *body,
scc_pos_t loc) {
Assert(stmt != nullptr && cond != nullptr && body != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_SWITCH;
stmt->switch_stmt.cond = cond;
stmt->switch_stmt.body = body;
}
static inline void scc_ast_stmt_case_init(scc_ast_stmt_t *stmt,
scc_ast_expr_t *cond,
scc_ast_stmt_t *body, scc_pos_t loc) {
Assert(stmt != nullptr && cond != nullptr && body != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_CASE;
stmt->case_stmt.expr = cond;
stmt->case_stmt.stmt = body;
}
static inline void scc_ast_stmt_default_init(scc_ast_stmt_t *stmt,
scc_ast_stmt_t *body,
scc_pos_t loc) {
Assert(stmt != nullptr && body != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_DEFAULT;
stmt->default_stmt.stmt = body;
}
static inline void scc_ast_stmt_break_init(scc_ast_stmt_t *stmt,
scc_pos_t loc) {
Assert(stmt != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_BREAK;
stmt->jump._target = nullptr;
}
static inline void scc_ast_stmt_continue_init(scc_ast_stmt_t *stmt,
scc_pos_t loc) {
Assert(stmt != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_CONTINUE;
stmt->jump._target = nullptr;
}
// expr can be nullptr
static inline void scc_ast_stmt_return_init(scc_ast_stmt_t *stmt,
scc_ast_expr_t *expr,
scc_pos_t loc) {
Assert(stmt != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_RETURN;
stmt->return_stmt.expr = expr;
}
static inline void scc_ast_stmt_goto_init(scc_ast_stmt_t *stmt,
const char *label, scc_pos_t loc) {
Assert(stmt != nullptr && label != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_GOTO;
stmt->goto_stmt.label = label;
stmt->goto_stmt._target = nullptr;
}
static inline void scc_ast_stmt_label_init(scc_ast_stmt_t *stmt,
const char *label,
scc_ast_stmt_t *body,
scc_pos_t loc) {
Assert(stmt != nullptr);
stmt->base.loc = loc;
stmt->base.type = SCC_AST_STMT_LABEL;
stmt->label_stmt.label = label;
stmt->label_stmt.stmt = body;
}
static inline void scc_ast_expr_binary_init(scc_ast_expr_t *expr,
scc_ast_expr_op_t op,
scc_ast_expr_t *lhs,
scc_ast_expr_t *rhs,
scc_pos_t loc) {
Assert(expr != nullptr && lhs != nullptr && rhs != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_BINARY;
expr->binary.op = op;
expr->binary.lhs = lhs;
expr->binary.rhs = rhs;
}
static inline void scc_ast_expr_unary_init(scc_ast_expr_t *expr,
scc_ast_expr_op_t op,
scc_ast_expr_t *operand,
scc_pos_t loc) {
Assert(expr != nullptr && operand != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_UNARY;
expr->unary.op = op;
expr->unary.operand = operand;
}
static inline void scc_ast_expr_cond_init(scc_ast_expr_t *expr,
scc_ast_expr_t *cond,
scc_ast_expr_t *then_expr,
scc_ast_expr_t *else_expr,
scc_pos_t loc) {
Assert(expr != nullptr && cond != nullptr && then_expr != nullptr &&
else_expr != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_COND;
expr->cond.cond = cond;
expr->cond.then_expr = then_expr;
expr->cond.else_expr = else_expr;
}
// args can be nullptr
static inline void scc_ast_expr_call_init(scc_ast_expr_t *expr,
scc_ast_expr_t *callee,
scc_ast_expr_vec_t *args,
scc_pos_t loc) {
Assert(expr != nullptr && callee != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_CALL;
expr->call.callee = callee;
if (args == nullptr) {
scc_vec_init(expr->call.args);
} else {
expr->call.args = *args;
}
}
// SCC_AST_EXPR_ARRAY_SUBSCRIPT, // 数组下标
static inline void scc_ast_expr_array_subscript_init(scc_ast_expr_t *expr,
scc_ast_expr_t *array,
scc_ast_expr_t *index,
scc_pos_t loc) {
Assert(expr != nullptr && array != nullptr && index != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_ARRAY_SUBSCRIPT;
expr->subscript.array = array;
expr->subscript.index = index;
}
static inline void _scc_ast_expr_member_init(scc_ast_expr_t *expr,
scc_ast_node_kind_t type,
scc_ast_expr_t *object,
const char *member,
scc_pos_t loc) {
Assert(expr != nullptr && object != nullptr && member != nullptr);
expr->base.loc = loc;
expr->base.type = type;
expr->member.base = object;
expr->member.name = member;
expr->member._target_idx = 0;
}
static inline void scc_ast_expr_member_init(scc_ast_expr_t *expr,
scc_ast_expr_t *object,
const char *member, scc_pos_t loc) {
_scc_ast_expr_member_init(expr, SCC_AST_EXPR_MEMBER, object, member, loc);
}
static inline void scc_ast_expr_ptr_member_init(scc_ast_expr_t *expr,
scc_ast_expr_t *object,
const char *member,
scc_pos_t loc) {
_scc_ast_expr_member_init(expr, SCC_AST_EXPR_PTR_MEMBER, object, member,
loc);
}
static inline void scc_ast_expr_cast_init(scc_ast_expr_t *expr,
scc_ast_type_t *type,
scc_ast_expr_t *operand,
scc_pos_t loc) {
Assert(expr != nullptr && type != nullptr && operand != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_CAST;
expr->cast.type = type;
expr->cast.expr = operand;
}
// type and target_expr can be nullptr but it only one of them can be nullptr
static inline void scc_ast_expr_sizeof_init(scc_ast_expr_t *expr,
scc_ast_type_t *type,
scc_ast_expr_t *target_expr,
scc_pos_t loc) {
Assert(expr != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_SIZE_OF;
expr->attr_of.type = type;
expr->attr_of.expr = target_expr;
}
// type and target_expr can be nullptr but it only one of them can be nullptr
static inline void scc_ast_expr_alignof_init(scc_ast_expr_t *expr,
scc_ast_type_t *type,
scc_ast_expr_t *target_expr,
scc_pos_t loc) {
Assert(expr != nullptr);
expr->base.loc = loc;
expr->base.type =
SCC_AST_EXPR_SIZE_OF; // 注意:这里使用了 SIZE_OF可能需要改为 ALIGN_OF
expr->attr_of.type = type;
expr->attr_of.expr = target_expr;
}
// lhs_exprs and rhs_exprs can be nullptr
static inline void scc_ast_expr_compound_init(scc_ast_expr_t *expr,
scc_ast_expr_t *base,
scc_ast_expr_vec_t *lhs_exprs,
scc_ast_expr_vec_t *rhs_exprs,
scc_pos_t loc) {
Assert(expr != nullptr && base != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_COMPOUND;
expr->compound.base = base;
if (lhs_exprs == nullptr) {
scc_vec_init(expr->compound.lhs_exprs);
} else {
expr->compound.lhs_exprs = *lhs_exprs;
scc_vec_init(*lhs_exprs);
}
if (rhs_exprs == nullptr) {
scc_vec_init(expr->compound.rhs_exprs);
} else {
expr->compound.rhs_exprs = *rhs_exprs;
scc_vec_init(*rhs_exprs);
}
}
static inline void scc_ast_expr_literal_init(scc_ast_expr_t *expr,
scc_ast_node_kind_t type,
const char *value, cbool owned,
scc_pos_t loc) {
Assert(expr != nullptr && value != nullptr);
expr->base.loc = loc;
expr->base.type = type;
expr->literal.lexme = value;
expr->literal.owned = owned;
}
static inline void scc_ast_expr_literal_int_init(scc_ast_expr_t *expr,
const char *value, cbool owned,
scc_pos_t loc) {
scc_ast_expr_literal_init(expr, SCC_AST_EXPR_INT_LITERAL, value, owned,
loc);
}
static inline void scc_ast_expr_literal_float_init(scc_ast_expr_t *expr,
const char *value,
cbool owned, scc_pos_t loc) {
scc_ast_expr_literal_init(expr, SCC_AST_EXPR_FLOAT_LITERAL, value, owned,
loc);
}
static inline void scc_ast_expr_literal_char_init(scc_ast_expr_t *expr,
const char *value,
cbool owned, scc_pos_t loc) {
scc_ast_expr_literal_init(expr, SCC_AST_EXPR_CHAR_LITERAL, value, owned,
loc);
}
static inline void scc_ast_expr_literal_string_init(scc_ast_expr_t *expr,
const char *value,
cbool owned,
scc_pos_t loc) {
scc_ast_expr_literal_init(expr, SCC_AST_EXPR_STRING_LITERAL, value, owned,
loc);
}
static inline void scc_ast_expr_identifier_init(scc_ast_expr_t *expr,
const char *name,
scc_pos_t loc) {
Assert(expr != nullptr && name != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_IDENTIFIER;
expr->identifier.name = name;
expr->identifier._target = nullptr;
}
static inline void scc_ast_expr_lvalue_init(scc_ast_expr_t *expr,
scc_ast_type_t *type,
scc_pos_t loc) {
Assert(expr != nullptr && type != nullptr);
expr->base.loc = loc;
expr->base.type = SCC_AST_EXPR_LVALUE;
expr->lvalue.type = type;
}
// have defined builtin type
static inline void scc_ast_type_builtin_init(scc_ast_type_t *type,
scc_ast_builtin_type_t builtin,
scc_pos_t loc) {
Assert(type != nullptr);
type->base.loc = loc;
type->base.type = SCC_AST_TYPE_BUILTIN;
type->builtin.type = builtin;
type->quals = (scc_ast_decl_specifier_t){0}; // FIXME
}
static inline void scc_ast_type_pointer_init(scc_ast_type_t *type,
scc_ast_type_t *pointee,
scc_pos_t loc) {
Assert(type != nullptr && pointee != nullptr);
type->base.loc = loc;
type->base.type = SCC_AST_TYPE_POINTER;
type->quals = (scc_ast_decl_specifier_t){0}; // FIXME
type->pointer.pointee = pointee;
}
// size can be nullptr
static inline void scc_ast_type_array_init(scc_ast_type_t *type,
scc_ast_type_t *element,
scc_ast_expr_t *size,
scc_pos_t loc) {
Assert(type != nullptr && element != nullptr);
type->base.loc = loc;
type->base.type = SCC_AST_TYPE_ARRAY;
type->quals = (scc_ast_decl_specifier_t){0}; // FIXME
type->array.element = element;
type->array.size = size;
}
// return_type and params can be nullptr
static inline void scc_ast_type_function_init(scc_ast_type_t *type,
scc_ast_type_t *return_type,
scc_ast_decl_vec_t *params,
scc_pos_t loc) {
Assert(type != nullptr);
type->base.loc = loc;
type->base.type = SCC_AST_TYPE_FUNCTION;
type->function.return_type = return_type;
type->quals = (scc_ast_decl_specifier_t){0}; // FIXME
if (params == nullptr) {
scc_vec_init(type->function.params);
} else {
type->function.params = *params;
scc_vec_init(*params);
}
}
static inline void _scc_ast_type_record_init(scc_ast_type_t *type,
scc_ast_node_kind_t type_kind,
const char *name,
scc_ast_decl_t *decl,
scc_pos_t loc) {
Assert(type != nullptr);
type->base.loc = loc;
type->base.type = type_kind;
type->quals = (scc_ast_decl_specifier_t){0}; // FIXME
type->record.name = name;
type->record.decl = decl;
}
// name and decl can be nullptr
static inline void scc_ast_type_struct_init(scc_ast_type_t *type,
const char *name,
scc_ast_decl_t *decl,
scc_pos_t loc) {
_scc_ast_type_record_init(type, SCC_AST_TYPE_STRUCT, name, decl, loc);
}
// name and decl can be nullptr
static inline void scc_ast_type_union_init(scc_ast_type_t *type,
const char *name,
scc_ast_decl_t *decl,
scc_pos_t loc) {
_scc_ast_type_record_init(type, SCC_AST_TYPE_UNION, name, decl, loc);
}
// name and decl can be nullptr
static inline void scc_ast_type_enum_init(scc_ast_type_t *type,
const char *name,
scc_ast_decl_t *decl, scc_pos_t loc) {
_scc_ast_type_record_init(type, SCC_AST_TYPE_ENUM, name, decl, loc);
}
static inline void scc_ast_type_typedef_init(scc_ast_type_t *type,
const char *name,
scc_ast_decl_t *target,
scc_pos_t loc) {
Assert(type != nullptr && target != nullptr);
type->base.loc = loc;
type->base.type = SCC_AST_TYPE_TYPEDEF;
type->quals = (scc_ast_decl_specifier_t){0}; // FIXME
type->typedef_type.name = name;
type->typedef_type.decl = target;
}
#endif /* __SCC_AST_H__ */