feat(ir2mcode): 添加IR到机器码转换模块并更新依赖配置

- 新增ir2mcode库用于将IR转换为机器码
- 添加sccf2target依赖以支持目标平台转换
- 在ast库中添加scc_pos依赖支持位置信息
- 更新cbuild.toml配置文件添加新库依赖
- 实现AMD64架构代码生成功能
- 添加寄存器分配器实现栈和寄存器位置管理
- 支持基本的算术运算和内存访问操作
- 添加PE格式目标文件生成支持

libs/ir2mcode/tests/test_run.c

@@ -0,0 +1,59 @@
+#include <scc_ast2ir.h>
+#include <scc_ir2mcode.h>
+#include <scc_lexer.h>
+#include <scc_parser.h>
+#include <sccf2pe.h>
+
+#include <stdio.h>
+
+void test_example(const char *input, cbool need_sema) {
+    int res = 0;
+    scc_sstream_t mem_stream;
+    res = scc_sstream_init_by_buffer(&mem_stream, input, scc_strlen(input),
+                                     false, 16);
+    Assert(res == 0);
+
+    scc_lexer_t lexer;
+    scc_lexer_init(&lexer, scc_sstream_to_ring(&mem_stream));
+
+    scc_lexer_tok_ring_t *tok_ring = scc_lexer_to_ring(&lexer, 64, false);
+
+    scc_parser_t parser;
+    if (need_sema) {
+        scc_sema_callbacks_t sema_callbacks;
+        scc_sema_init(&sema_callbacks);
+        scc_parser_init(&parser, tok_ring, &sema_callbacks);
+    } else {
+        scc_parser_init(&parser, tok_ring, null);
+    }
+
+    scc_ast_translation_unit_t *tu = scc_parse_translation_unit(&parser);
+
+    scc_ast2ir_ctx_t ast2ir_ctx;
+#include <abi/win_x64_type_abi.h>
+    scc_ast2ir_ctx_init(&ast2ir_ctx, scc_win_x64_type_abi);
+    scc_ast2ir_translation_unit(&ast2ir_ctx, tu);
+
+    scc_ir2mcode_ctx_t mcode_ctx;
+    scc_ir2mcode_init(&mcode_ctx, &ast2ir_ctx.builder.cprog,
+                      &ast2ir_ctx.builder.ctx, SCC_MCODE_ARCH_AMD64);
+    scc_ir2mcode(&mcode_ctx);
+
+    const sccf_t *sccf = sccf_builder_to_sccf(&mcode_ctx.builder);
+    scc_pe_builder_t pe_builder;
+    sccf2pe(&pe_builder, sccf);
+    scc_pe_dump_to_file(&pe_builder, __FILE__ "/../../test.exe");
+}
+
+int main() {
+    test_example("int main() {\n"
+                 "    int a;\n"
+                 "    int b;\n"
+                 "    a = 1 + 2 * 3;\n"
+                 "    b = 7;\n"
+                 "    a = a - b + 1;\n"
+                 "    return a;\n"
+                 "}\n",
+                 true);
+    return 0;
+}