meta: add sources from prototype meadow build system

2026-07-19 17:54:05 +01:00
parent 5781a30ea0
commit 185de46621
18 changed files with 2171 additions and 0 deletions
@@ -0,0 +1,119 @@
+import os
+import json
+import shutil
+import subprocess
+from build import *
+from pathlib import Path as SysPath
+from cache import Cache
+from env import Environment
+from platform import Platform
+from target import Target
+from path import Path
+
+class SourceOnlyBuildSystem(BuildSystem):
+    def __init__(self, **kwargs):
+        self.__data = kwargs.get('data', None)
+        super().__init__(**kwargs)
+
+
+    def __get_watched_files(self):
+        result = []
+        ns = self.get_path_namespaces()
+
+        if 'watch_files' in self.__data:
+            watch_list = self.__data['watch_files']
+            for p in watch_list:
+                path = Path(p)
+
+                real_paths = path.expand_path(relative_to=ns)
+                for p2 in real_paths:
+                    result.append(p2)
+
+        manifest_path = os.path.join(self.binary_dir(), 'compile_commands.json')
+        manifest_file = None
+        manifest = None
+        try:
+            manifest_file = open(manifest_path, mode='r')
+        except:
+            return result
+
+        try:
+            manifest = json.load(manifest_file)
+        except:
+            return result
+
+        for v in manifest:
+            if 'file' not in v:
+                continue
+
+            path = v['file']
+            result.append(path)
+
+        return result
+
+
+    def __get_mtime(self):
+        files = self.__get_watched_files()
+        result = 0
+
+        for path in files:
+            mtime = os.path.getmtime(path)
+
+            if mtime > result:
+                result = mtime
+
+        return result
+
+
+    def _is_configuration_out_of_date(self):
+        parent = self.parent()
+        seed_path = parent.seed_path()
+        seed_mtime = os.path.getmtime(seed_path)
+        target_mtime = Cache.get(f'component.{self.name()}.configure-mtime')
+        if target_mtime is None:
+            return True
+
+        return seed_mtime > target_mtime
+
+
+    def _is_build_out_of_date(self):
+        current_mtime = self.__get_mtime()
+        target_mtime = Cache.get(f'component.{self.name()}.build-mtime')
+        if target_mtime is None:
+            return True
+
+        if current_mtime > target_mtime:
+            return True
+
+        for d in self.parent().collect_dependencies():
+            build_system = d.build_system()
+            if build_system is None:
+                continue
+
+            if build_system.is_build_out_of_date() or build_system.is_configuration_out_of_date():
+                return True
+
+        return False
+
+
+    def configure(self, **kwargs):
+        parent = self.parent()
+        seed_path = parent.seed_path()
+        seed_mtime = os.path.getmtime(seed_path)
+        Cache.set(f'component.{self.name()}.configure-mtime', seed_mtime)
+
+
+    def build(self, **kwargs):
+        pass
+
+
+    def install(self, **kwargs):
+        self.install_from_seed()
+
+        previous_mtime = Cache.get(f'component.{self.name()}.build-mtime')
+        if previous_mtime is None:
+            previous_mtime = 0
+
+        new_mtime = self.__get_mtime()
+        if new_mtime > previous_mtime:
+            Cache.set(f'component.{self.name()}.build-mtime', new_mtime)