ZZY
05c637e594
- 重命名和重构了多个文件，包括 lexer、parser 和 AST 相关代码 - 添加了日志功能，使用 LOG_* 宏替代原有的 error 和 warn 函数 - 优化了错误处理和内存分配方式 - 调整了代码结构，提高了模块化和可读性
119 lines
2.5 KiB
C
119 lines
2.5 KiB
C
#include "ir.h"
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// FIXME using stdlib.h
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#include <stdlib.h>
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static int total_alloc = 0;
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typedef union ir_alloc_item {
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ir_node_t node;
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ir_bblock_t bblock;
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ir_func_t func;
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ir_prog_t prog;
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} ir_alloc_item_t;
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ir_alloc_item_t* alloc_item() {
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return malloc(sizeof(ir_alloc_item_t));
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}
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void free_item(ir_alloc_item_t* item) {
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return free(item);
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}
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ir_node_t* new_ir_node(const char* name, ir_node_tag_t tag) {
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ir_node_t* node = (ir_node_t*)alloc_item();
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node->name = name;
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node->type = NULL;
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node->tag = tag;
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switch (tag) {
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case IR_NODE_ALLOC: {
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node->type = NULL;
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break;
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}
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case IR_NODE_BRANCH: {
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node->data.branch.cond = NULL;
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node->data.branch.true_bblock = NULL;
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node->data.branch.false_bblock = NULL;
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break;
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}
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case IR_NODE_CALL: {
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vector_init(node->data.call.args);
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node->data.call.callee = NULL;
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break;
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}
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case IR_NODE_CONST_INT: {
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node->data.const_int.val = 0;
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break;
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}
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case IR_NODE_JUMP: {
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node->data.jump.target_bblock = NULL;
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break;
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}
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case IR_NODE_LOAD: {
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node->data.load.target = NULL;
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break;
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}
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case IR_NODE_STORE: {
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node->data.store.target = NULL;
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node->data.store.value = NULL;
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break;
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}
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case IR_NODE_OP: {
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node->data.op.op = 0;
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node->data.op.lhs = NULL;
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node->data.op.rhs = NULL;
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break;
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}
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case IR_NODE_RET: {
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node->data.ret.ret_val = NULL;
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break;
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}
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case IR_NODE_GET_PTR: {
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}
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default: {
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exit(0);
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}
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}
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vector_init(node->used_by);
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return node;
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}
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void free_irnode() {
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}
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ir_bblock_t* new_ir_bblock(const char* name) {
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ir_bblock_t* block = (ir_bblock_t*)alloc_item();
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block->label = name;
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vector_init(block->instrs);
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return block;
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}
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void free_irbblock() {
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}
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ir_func_t* new_ir_func(const char* name, ir_type_t* type) {
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ir_func_t* func = (ir_func_t*)alloc_item();
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func->name = name;
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func->type = type;
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vector_init(func->params);
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vector_init(func->bblocks);
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return func;
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}
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void free_irfunc() {
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}
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ir_prog_t* new_ir_prog() {
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ir_prog_t* prog = (ir_prog_t*)alloc_item();
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vector_init(prog->global);
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vector_init(prog->funcs);
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vector_init(prog->extern_funcs);
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return prog;
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}
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void free_irprog() {
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}
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