Initial import of TransPyV
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Viper
299
App/lib/Projectrans/Config.py
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299
App/lib/Projectrans/Config.py
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import t, c
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from stdint import *
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import memhub
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import string
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import stdio
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import viperlib
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from json.__parser import parse as json_parse
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from json import JsonValue, JSON_OBJECT, JSON_INT
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import w32.fileio as fileio
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# ============================================================
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# Config - 工程配置
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# ============================================================
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# 全局 mbuddy 指针
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_mbuddy: memhub.MemManager | t.CPtr
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# 配置值（从 project.vpj 加载）
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SourceDir: str
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TempDir: str
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OutputDir: str
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ProjectName: str
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ProjectVersion: str
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CompilerCmd: str
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CompilerFlags: str # 编译器参数（空格分隔，从 compiler.flags 数组拼接）
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LinkerCmd: str
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LinkerFlags: str # 链接器参数（空格分隔，从 linker.flags 数组拼接）
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LinkerOutput: str
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TargetTriple: str
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TargetDataLayout: str
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SliceLevel: t.CInt
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StrictMode: t.CInt
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IncludesDir: str # includes 目录路径（从 includes 数组首元素）
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def Load_project_config(path: str) -> int:
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"""加载工程配置文件（project.vpj）
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Args:
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path: 配置文件路径
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Returns:
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0 表示成功，非 0 表示失败
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"""
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global SourceDir, TempDir, OutputDir, ProjectName, ProjectVersion
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global CompilerCmd, CompilerFlags, LinkerCmd, LinkerFlags, LinkerOutput
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global TargetTriple, TargetDataLayout, SliceLevel, StrictMode
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global IncludesDir
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if path is None:
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return 1
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if _mbuddy is None:
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return 1
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# 打开文件
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f: fileio.File | t.CPtr = fileio.File(path, fileio.MODE.R)
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if f.closed:
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return 1
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# 分配读取缓冲区
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CFG_BUF_SIZE: t.CSizeT = 8192
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buf: bytes = _mbuddy.alloc(CFG_BUF_SIZE)
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if buf is None:
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f.close()
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return 1
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bytes_read: t.CInt64T = f.read_all(buf, CFG_BUF_SIZE)
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f.close()
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if bytes_read <= 0:
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return 1
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# 解析 JSON
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root: JsonValue | t.CPtr = json_parse(_mbuddy, buf)
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if root is None:
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return 1
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if not root.is_object():
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return 1
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# 读取顶层字段
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SourceDir = root["source_dir"].as_string() if root["source_dir"] is not None else None
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TempDir = root["temp_dir"].as_string() if root["temp_dir"] is not None else None
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OutputDir = root["output_dir"].as_string() if root["output_dir"] is not None else None
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ProjectName = root["name"].as_string() if root["name"] is not None else None
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ProjectVersion = root["version"].as_string() if root["version"] is not None else None
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# 读取 compiler 子对象
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compiler: JsonValue | t.CPtr = root["compiler"]
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if compiler is not None and compiler.is_object():
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CompilerCmd = compiler["cmd"].as_string() if compiler["cmd"] is not None else None
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# 读取 compiler.flags 数组，拼接成空格分隔的字符串
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cc_flags_val: JsonValue | t.CPtr = compiler["flags"]
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CompilerFlags = _join_flags_array(cc_flags_val)
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# 读取 linker 子对象
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linker: JsonValue | t.CPtr = root["linker"]
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if linker is not None and linker.is_object():
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LinkerCmd = linker["cmd"].as_string() if linker["cmd"] is not None else None
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LinkerOutput = linker["output"].as_string() if linker["output"] is not None else None
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# 读取 linker.flags 数组，拼接成空格分隔的字符串
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ld_flags_val: JsonValue | t.CPtr = linker["flags"]
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LinkerFlags = _join_flags_array(ld_flags_val)
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# 读取 target 子对象
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target: JsonValue | t.CPtr = root["target"]
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if target is not None and target.is_object():
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TargetTriple = target["triple"].as_string() if target["triple"] is not None else None
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TargetDataLayout = target["datalayout"].as_string() if target["datalayout"] is not None else None
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# 读取 options 子对象
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options: JsonValue | t.CPtr = root["options"]
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if options is not None and options.is_object():
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sl: JsonValue | t.CPtr = options["slice_level"]
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if sl is not None and sl.is_int():
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SliceLevel = sl.as_int()
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sm: JsonValue | t.CPtr = options["strict_mode"]
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if sm is not None and sm.is_bool():
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StrictMode = 1 if sm.as_bool() else 0
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# 读取 includes 数组（取首个元素作为 includes 目录）
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includes_val: JsonValue | t.CPtr = root["includes"]
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if includes_val is not None and includes_val.is_array():
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arr_len: t.CSizeT = includes_val.__len__()
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if arr_len > 0:
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first_inc: JsonValue | t.CPtr = includes_val.get_item(0)
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if first_inc is not None and first_inc.is_string():
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IncludesDir = first_inc.as_string()
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return 0
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def _join_flags_array(flags_val: JsonValue | t.CPtr) -> str:
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"""将 JSON 字符串数组拼接成空格分隔的字符串
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用于 linker.flags 和 compiler.flags 数组。
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用 while + 索引遍历，避免 list 迭代器 bug。
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Args:
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flags_val: JsonValue，应为字符串数组
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Returns:
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空格分隔的字符串，或 None 如果 flags_val 为 None 或非数组或空数组
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"""
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if flags_val is None:
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return None
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if not flags_val.is_array():
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return None
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arr_len: t.CSizeT = flags_val.__len__()
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if arr_len == 0:
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return None
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# 第一遍：计算总长度（所有 flag 长度 + 空格分隔符）
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total_len: t.CSizeT = 0
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i: t.CSizeT = 0
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while i < arr_len:
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item: JsonValue | t.CPtr = flags_val.get_item(i)
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if item is not None and item.is_string():
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s: str = item.as_string()
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if s is not None:
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total_len += string.strlen(s) + 1 # +1 for space
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i += 1
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if total_len == 0:
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return None
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# 分配缓冲区（total_len 已含每个 flag 后的空格，最后一个是 '\0'）
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buf: str = _mbuddy.alloc(total_len + 1)
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if buf is None:
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return None
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# 第二遍：拼接（flag 之间用空格分隔）
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pos: t.CSizeT = 0
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i = 0
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while i < arr_len:
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item = flags_val.get_item(i)
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if item is not None and item.is_string():
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s = item.as_string()
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if s is not None:
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slen: t.CSizeT = string.strlen(s)
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if pos > 0:
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buf[pos] = ' '
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pos += 1
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string.strcpy(buf + pos, s)
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pos += slen
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i += 1
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buf[pos] = '\0'
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return buf
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def _join_path(rel: str, project_dir: str) -> str:
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"""将相对路径与 project_dir 拼接为绝对路径
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- ./App + Test → Test/App
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- ./temp + Test → Test/temp
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- ../includes + Test → Test/../includes（OS 解析为 includes）
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- 绝对路径保持不变
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- None 返回 None
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"""
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if rel is None:
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return None
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# 绝对路径（以 / 或 \ 开头）保持不变
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if rel[0] == '/' or rel[0] == '\\':
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return rel
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rel_len: t.CSizeT = string.strlen(rel)
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dir_len: t.CSizeT = string.strlen(project_dir)
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# 处理 ../ 或 ..\\ 前缀：拼接 project_dir/../...
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if rel_len >= 3 and rel[0] == '.' and rel[1] == '.':
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if rel[2] == '/' or rel[2] == '\\':
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if dir_len == 0:
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return rel
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total_len: t.CSizeT = dir_len + 1 + rel_len + 1
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buf: str = _mbuddy.alloc(total_len)
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if buf is None:
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return rel
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viperlib.snprintf(buf, total_len, "%s/%s", project_dir, rel)
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return buf
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# 处理 ./ 或 .\\ 前缀：拼接 project_dir + rel[2:]
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rel_off: t.CSizeT = 0
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if rel_len >= 2 and rel[0] == '.':
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if rel[1] == '/' or rel[1] == '\\':
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rel_off = 2
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else:
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return rel # 不是 ./ 开头，保持不变
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else:
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return rel # 不是 . 开头，保持不变
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if dir_len == 0:
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# project_dir 为空（当前目录），去掉 ./ 前缀即可
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return rel + rel_off
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# 拼接: project_dir + "/" + rel[rel_off:]
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total_len = dir_len + 1 + (rel_len - rel_off) + 1
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buf = _mbuddy.alloc(total_len)
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if buf is None:
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return rel # 分配失败，返回原路径
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viperlib.snprintf(buf, total_len, "%s/%s", project_dir, rel + rel_off)
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return buf
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def resolve_paths(project_dir: str) -> int:
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"""解析并规范化工程路径（src/temp/output/includes）
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将 project.vpj 中的相对路径（以 ./ 开头）转换为基于 project_dir 的路径。
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Args:
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project_dir: 工程根目录（project.vpj 所在目录）
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Returns:
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0 表示成功，非 0 表示失败
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"""
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global SourceDir, TempDir, OutputDir, IncludesDir
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if project_dir is None:
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return 1
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if _mbuddy is None:
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return 1
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SourceDir = _join_path(SourceDir, project_dir)
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TempDir = _join_path(TempDir, project_dir)
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OutputDir = _join_path(OutputDir, project_dir)
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# includes 路径可能是 ../includes 形式，需要基于 project_dir 解析
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if IncludesDir is not None:
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IncludesDir = _join_path(IncludesDir, project_dir)
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return 0
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def get_includes_binary_dir() -> str:
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"""获取 includes.binary 目录路径（includes 目录 + .binary 后缀）
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includes 目录如 ../includes，则 includes.binary 为 ../includes.binary
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"""
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if IncludesDir is None:
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return None
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inc_len: t.CSizeT = string.strlen(IncludesDir)
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buf: str = _mbuddy.alloc(inc_len + 8)
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if buf is None:
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return None
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viperlib.snprintf(buf, inc_len + 8, "%s.binary", IncludesDir)
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return buf
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def print_config():
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"""打印当前配置（调试用）"""
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if ProjectName is not None:
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stdio.printf(" project: %s v%s\n", ProjectName, ProjectVersion if ProjectVersion is not None else "?")
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if SourceDir is not None:
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stdio.printf(" source_dir: %s\n", SourceDir)
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if TempDir is not None:
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stdio.printf(" temp_dir: %s\n", TempDir)
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if OutputDir is not None:
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stdio.printf(" output_dir: %s\n", OutputDir)
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if CompilerCmd is not None:
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stdio.printf(" compiler: %s\n", CompilerCmd)
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if LinkerCmd is not None:
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stdio.printf(" linker: %s -> %s\n", LinkerCmd, LinkerOutput if LinkerOutput is not None else "?")
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if IncludesDir is not None:
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stdio.printf(" includes: %s\n", IncludesDir)
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