shenleiandClaude Opus 5
5fad769ee8
The embedded 40250 script layer needs its own interpreter on five platforms. 2.7 is end-of-life, so nothing can be fetched from the target SDKs and the source is vendored (official 2.7.18 tarball, trimmed to 25MB; Lib/ stays for step 3's python27.zip). cpython-2.7.18/CMakeLists.txt builds one `mtpython` static library from exactly the 133 objects the reference libpython2.7.a contains, off by default behind -DMTGODOT_EMBED_PYTHON=ON. The source list and the built-in module table (config/config.c, 39 entries) are shared; pyconfig.h is a probe result and is not, so each platform keeps its own under config/<platform>/, regenerated by tools/py_embed/gen_pyconfig.sh and checked against the shared table. Three vendor patches, documented in docs/THIRD-PARTY.md: configure/configure.ac learn arm64 on macOS, and posixmodule.c undefines the process-control calls it hard-defines past pyconfig.h when building for iOS. macOS (ctest python.embed: every builtin imports, codecs and pickle work off the vendored Lib/), Android arm64 and iOS arm64 build. Linux needs a Linux host and Windows needs a MinGW-vs-MSVC decision; both are noted for step 4. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
74 lines
1.8 KiB
Python
74 lines
1.8 KiB
Python
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def flatten(tup):
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elts = []
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for elt in tup:
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if isinstance(elt, tuple):
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elts = elts + flatten(elt)
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else:
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elts.append(elt)
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return elts
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class Set:
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def __init__(self):
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self.elts = {}
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def __len__(self):
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return len(self.elts)
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def __contains__(self, elt):
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return elt in self.elts
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def add(self, elt):
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self.elts[elt] = elt
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def elements(self):
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return self.elts.keys()
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def has_elt(self, elt):
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return elt in self.elts
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def remove(self, elt):
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del self.elts[elt]
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def copy(self):
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c = Set()
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c.elts.update(self.elts)
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return c
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class Stack:
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def __init__(self):
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self.stack = []
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self.pop = self.stack.pop
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def __len__(self):
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return len(self.stack)
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def push(self, elt):
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self.stack.append(elt)
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def top(self):
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return self.stack[-1]
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def __getitem__(self, index): # needed by visitContinue()
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return self.stack[index]
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MANGLE_LEN = 256 # magic constant from compile.c
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def mangle(name, klass):
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if not name.startswith('__'):
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return name
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if len(name) + 2 >= MANGLE_LEN:
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return name
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if name.endswith('__'):
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return name
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try:
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i = 0
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while klass[i] == '_':
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i = i + 1
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except IndexError:
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return name
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klass = klass[i:]
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tlen = len(klass) + len(name)
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if tlen > MANGLE_LEN:
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klass = klass[:MANGLE_LEN-tlen]
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return "_%s%s" % (klass, name)
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def set_filename(filename, tree):
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"""Set the filename attribute to filename on every node in tree"""
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worklist = [tree]
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while worklist:
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node = worklist.pop(0)
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node.filename = filename
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worklist.extend(node.getChildNodes())
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