Orkuncakilkaya
0c73287e35
fn(int, float) -> bool is a type, fn name is any top-level function's value, and a call through a local, a global, a record field, a slice element, a parameter or a result of a function type is an indirect call; two function types mix only when equal, a call checks its argument count, and a value may be null (examples/functions/values.ludic). Job.parallel_for keeps its worker check. render3d's scene is registered rather than required by name: r3d_on_draw, r3d_on_casters and r3d_on_stream_fill (hooks.ludic). The two rendering examples register theirs - and had defined scene_draw_casters with no parameter while the renderer passed one, which nothing checked. render3d declares numbers float itself; smooth.ludic is converted to floats and returns when r3d_init fails instead of running on into a segfault. Noise.* check their argument count (a call one short crashed the compiler). selfhost-build says why it failed. The migration tool reads a declared float as evidence. Seed regenerated. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
528 lines
21 KiB
Python
528 lines
21 KiB
Python
"""Which Ludic ints are IEEE float bit patterns: union-find over every name a value can live in,
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seeded by the fl/fi/f_* helpers (float) and by integer arithmetic (int)."""
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import glob
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import os
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from ludic_decls import FileParse
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from ludic_ast import walk
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FLOAT_OPS = {'f_add': 2, 'f_sub': 2, 'f_mul': 2, 'f_div': 2, 'f_neg': 1, 'f_abs': 1, 'f_min': 2,
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'f_max': 2, 'f_clamp': 3, 'f_sqrt': 1, 'f_sin': 1, 'f_cos': 1, 'f_tan': 1, 'f_atan2': 2,
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'f_floor': 1, 'f_mod': 2, 'f_lerp': 3, 'f_rad': 1, 'f_pow': 2, 'f_exp': 1, 'f_log': 1}
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FLOAT_CMP = {'f_ls', 'f_gt'}
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FLOAT_CONST = {'F_ZERO', 'F_ONE', 'F_TWO', 'F_HALF', 'F_PI'}
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CONTAINER_MAKERS = {'words', 'ints_n', 'ints_n1', 'floats'}
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class UF:
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def __init__(self):
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self.p = {}
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self.sz = {}
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self.fl = {}
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self.it = {}
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def find(self, k):
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root = k
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while True:
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p = self.p.setdefault(root, root)
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if p == root: break
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root = p
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while k != root:
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nxt = self.p[k]
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self.p[k] = root
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k = nxt
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return root
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def union(self, a, b):
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if a is None or b is None: return
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ra, rb = self.find(a), self.find(b)
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if ra == rb: return
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if self.sz.get(ra, 1) > self.sz.get(rb, 1): ra, rb = rb, ra
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self.p[ra] = rb
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self.sz[rb] = self.sz.get(rb, 1) + self.sz.get(ra, 1)
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for d in (self.fl, self.it):
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if ra in d:
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n, ex = d.pop(ra)
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m, ex2 = d.get(rb, (0, []))
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d[rb] = (n + m, (ex2 + ex)[:4])
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def mark(self, k, which, why):
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if k is None: return
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r = self.find(k)
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d = self.fl if which == 'f' else self.it
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n, ex = d.get(r, (0, []))
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d[r] = (n + 1, ex if len(ex) >= 4 else ex + [why])
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def is_float(self, k):
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return k is not None and self.find(k) in self.fl
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def is_int(self, k):
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return k is not None and self.find(k) in self.it
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class Program:
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def __init__(self, convert_roots, readonly_roots):
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self.files = []
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for root, runtime in [(r, False) for r in convert_roots] + [(r, True) for r in readonly_roots]:
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paths = [root] if root.endswith('.ludic') else sorted(glob.glob(root + '/**/*.ludic', recursive=True))
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for p in paths:
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self.files.append(FileParse(p, open(p).read(), runtime=runtime))
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self.funcs, self.globals, self.props = {}, {}, {}
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for fp in self.files:
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for n, f in fp.funcs.items():
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if n not in self.funcs or not f.runtime: self.funcs.setdefault(n, f)
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for n, d in fp.globals.items():
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d.key = ('G', n)
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self.globals.setdefault(n, d)
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for r, fields in fp.props.items():
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for fn_, d in fields.items():
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d.key = ('F', r, fn_)
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self.props.setdefault(r, fields)
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for f in self.funcs.values():
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for i, d in enumerate(f.params): d.key = ('P', f.name, i)
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if f.ret: f.ret.key = ('R', f.name)
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for n, d in f.locals.items(): d.key = ('L', f.name, n)
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self.field_owners = {}
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for r, fields in self.props.items():
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for fn_ in fields: self.field_owners.setdefault(fn_, []).append(r)
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self.uf = UF()
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self.types = {} # key -> declared type text
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for d in self.all_decls(): self.types[d.key] = d.ty
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# a declaration that already says float is evidence of its own: code converted earlier
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# (render3d, once the game had moved) is read as it is written
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for d in self.all_decls():
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if d.ty == 'float': self.uf.mark(d.key, 'f', 'declared float')
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elif d.ty in ('floats', '[]float'): self.uf.mark(('E', d.key), 'f', 'declared floats')
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self.calls = [] # (callee Func, arg index, arg key, node)
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self.bound_args = [] # (call node, arg node, arg key): a float going into a runtime call
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self.bound_rets = {} # call node id -> key of a runtime result
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self.node_key = {} # id(node) -> key
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self.stores = [] # (container key, value key, value node): a[i] = v, push(a, v)
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self.elinks = [] # (container, container): one buffer's contents flow into another's
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self.flows = [] # (a, b, where): a value moves between a and b (=, let, return, ==)
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self.splits = [] # the flows whose two ends turned out different kinds: bits cross there
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self.reads = [] # (container key, read-site key): v = a[i]
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self.rets = [] # (callee, call-site key)
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self.poly_ret = set()
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self.cur = ''
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self.scope = None
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self.mixed = set() # containers holding both floats and ints: they keep their bits
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def all_decls(self):
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for d in self.globals.values(): yield d
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for fields in self.props.values():
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yield from fields.values()
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for f in self.funcs.values():
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yield from f.params
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if f.ret: yield f.ret
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yield from f.locals.values()
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# ---- names --------------------------------------------------------------
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def lookup(self, name, fn):
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f = self.funcs.get(fn)
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if f:
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sc = self.scope or {}
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if name in sc: return f.locals[sc[name]].key
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if name in f.locals and not sc: return f.locals[name].key
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for d in f.params:
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if d.name == name: return d.key
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if name in self.globals: return self.globals[name].key
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return None
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def type_of_key(self, k):
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return self.types.get(k, '')
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def rec_of(self, node, fn):
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"""the record type an expression evaluates to, as far as declarations say"""
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if node.kind == 'id':
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k = self.lookup(node.val, fn)
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return self.type_of_key(k) if k else ''
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if node.kind == 'member':
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r = self.rec_of(node.kids[0], fn)
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d = self.props.get(r, {}).get(node.val)
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return d.ty if d else ''
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if node.kind == 'index':
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t = self.rec_of(node.kids[0], fn)
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return t[2:] if t.startswith('[]') else ''
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if node.kind == 'call' and node.kids[0].kind == 'id':
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f = self.funcs.get(node.kids[0].val)
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return f.ret.ty if f and f.ret else ''
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if node.kind == 'new': return node.val
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if node.kind == 'paren': return self.rec_of(node.kids[0], fn)
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return ''
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def member_key(self, node, fn):
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r = self.rec_of(node.kids[0], fn)
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if r in self.props and node.val in self.props[r]: return self.props[r][node.val].key
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owners = self.field_owners.get(node.val, [])
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if len(owners) == 1: return self.props[owners[0]][node.val].key
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return ('FU', id(node))
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CONTAINER_TYPES = ('words', 'floats', 'pointers')
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def is_container(self, k):
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if k is None: return False
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if k[0] == 'A': return True
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if k[0] == 'RC': return self.types.get(k, '') in self.CONTAINER_TYPES or self.types.get(k, '').startswith('[]')
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t = self.types.get(k, '')
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return t in self.CONTAINER_TYPES or t.startswith('[]')
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def flow(self, a, b):
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if a is not None and b is not None: self.flows.append((a, b, self.cur))
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def settle_flows(self):
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keep = []
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for a, b, where in self.flows:
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d = self.decide([a, b])
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if d == 'split':
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self.splits.append((a, b, where))
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elif d == 'join':
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self.link(a, b)
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else:
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keep.append((a, b, where))
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self.flows = keep
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def link(self, a, b):
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"""a value flows between a and b. Buffers are not merged: their elements are linked, later,
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and only if the two carry the same kind of number"""
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if a is None or b is None: return
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if self.is_container(a) or self.is_container(b):
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self.elinks.append((a, b))
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return
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self.uf.union(a, b)
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def inner_of(self, k):
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"""the key every inner buffer of nested buffer k shares, or None when k is not nested"""
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t = self.types.get(k, '')
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if not t.startswith('[]'): return None
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it = t[2:]
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if not (it in self.CONTAINER_TYPES or it.startswith('[]')): return None
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ik = ('E', k)
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self.types[ik] = it
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return ik
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def settle_elinks(self):
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for a, b in list(self.elinks):
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ia, ib = self.inner_of(a), self.inner_of(b)
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if ia is not None and ib is not None and (ia, ib) not in self.elinks: self.elinks.append((ia, ib))
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for a, b in self.elinks:
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ea, eb = ('E', a), ('E', b)
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if a in self.mixed or b in self.mixed: continue
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d = self.decide([ea, eb])
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if d == 'split':
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self.mixed.add(a)
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self.mixed.add(b)
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continue
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if d == 'join': self.uf.union(ea, eb)
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# ---- expressions -------------------------------------------------------
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def ev(self, n, fn):
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k = self._ev(n, fn)
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if k is not None: self.node_key[id(n)] = k
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return k
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def _ev(self, n, fn):
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uf = self.uf
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kind = n.kind
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if kind == 'num':
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if '.' in n.val: return None
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if n.val in ('0',) or n.val.startswith('0x'): return None
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if int(n.val.replace('_', '')) > (1 << 20): return None # a float's bits, written out
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k = ('N', id(n))
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uf.mark(k, 'i', 'literal')
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return k
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if kind == 'id':
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if n.val in FLOAT_CONST:
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k = ('C', id(n))
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uf.mark(k, 'f', n.val)
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return k
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return self.lookup(n.val, fn)
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if kind == 'paren': return self.ev(n.kids[0], fn)
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if kind == 'tmpl':
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for x in n.kids: self.ev(x, fn)
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return None
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if kind == 'member': return self.member_key(n, fn) if n.kids[0].kind != 'id' or n.kids[0].val[:1].islower() else None
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if kind == 'index':
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ck = self.ev(n.kids[0], fn)
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ik = self.ev(n.kids[1], fn)
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uf.mark(ik, 'i', 'index')
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if ck is None: return None
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inner = self.inner_of(ck)
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if inner is not None: return inner
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rk = ('RD', id(n))
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self.reads.append((ck, rk))
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return rk
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if kind == 'slice':
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for x in n.kids: self.ev(x, fn)
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return None
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if kind == 'unary':
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x = self.ev(n.kids[0], fn)
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if n.val == '-':
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uf.mark(x, 'i', 'negated with -')
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return x
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return None
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if kind == 'bin':
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a, b = self.ev(n.kids[0], fn), self.ev(n.kids[1], fn)
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if n.val in ('==', '!='):
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self.flow(a, b)
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return None
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if n.val in ('and', 'or', '&&', '||'): return None
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if n.val in ('<', '>', '<=', '>='):
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self.flow(a, b)
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return None
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uf.mark(a, 'i', f'operand of {n.val}')
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uf.mark(b, 'i', f'operand of {n.val}')
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if n.val == '..': return None
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k = ('X', id(n))
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uf.mark(k, 'i', f'result of {n.val}')
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return k
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if kind == 'list':
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k = ('A', id(n))
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for x in n.kids:
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v = self.ev(x, fn)
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if v is not None: self.stores.append((k, v, x))
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return k
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if kind == 'new':
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if not n.val.startswith('[]'): return None
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self.types[('A', id(n))] = n.val
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return ('A', id(n))
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if kind == 'call': return self.ev_call(n, fn)
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for x in n.kids: self.ev(x, fn)
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return None
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def ev_call(self, n, fn):
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uf = self.uf
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callee = n.kids[0]
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args = n.kids[1:]
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name = callee.val if callee.kind == 'id' else None
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keys = [self.ev(a.kids[0] if a.kind == 'named' else a, fn) for a in args]
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if name in FLOAT_OPS:
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for k in keys: uf.mark(k, 'f', name)
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k = ('X', id(n))
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uf.mark(k, 'f', name)
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return k
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if name in FLOAT_CMP:
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for k in keys: uf.mark(k, 'f', name)
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return None
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if name in ('fl', 'fi', 'fr', 'f_from_int', 'fx_to_f32', 'f_neg1'):
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if name in ('fi', 'fr', 'f_from_int'):
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for k in keys: uf.mark(k, 'i', name)
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k = ('X', id(n))
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uf.mark(k, 'f', name)
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return k
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if name in ('f_to_int',):
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for k in keys: uf.mark(k, 'f', name)
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k = ('X', id(n))
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uf.mark(k, 'i', name)
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return k
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if name in ('f_fx', 'f32_to_fx'):
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for k in keys: uf.mark(k, 'f', name)
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return None
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if name == 'f_lt':
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for k in keys: uf.mark(k, 'f', name)
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return None
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if name in CONTAINER_MAKERS: return ('A', id(n))
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if name == 'push' and len(keys) == 2 and keys[0] is not None:
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inner = self.inner_of(keys[0])
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if inner is not None and keys[1] is not None:
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self.elinks.append((inner, keys[1]))
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return None
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if keys[1] is not None: self.stores.append((keys[0], keys[1], args[1]))
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return None
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if name == 'len':
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k = ('X', id(n))
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uf.mark(k, 'i', 'len')
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return k
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f = self.funcs.get(name) if name else None
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if f and not f.runtime and not f.extern:
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for i, k in enumerate(keys):
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if i < len(f.params): self.calls.append((f, i, k, args[i]))
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if not f.ret: return None
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rk = ('RC', id(n))
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self.types[rk] = f.ret.ty
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self.rets.append((f, rk))
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return rk
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# a runtime or engine call: a float going in leaves as bits, a result coming out is bits
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for i, a in enumerate(args):
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if keys[i] is not None: self.bound_args.append((n, a, keys[i]))
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k = ('B', id(n))
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self.bound_rets[id(n)] = k
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return k
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# ---- statements -------------------------------------------------------
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def run(self):
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uf = self.uf
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for d in self.globals.values():
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if d.init is not None: self.flow(d.key, self.ev(d.init, None))
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for fields in self.props.values():
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for d in fields.values():
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if d.init is not None: self.flow(d.key, self.ev(d.init, None))
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for fp in self.files:
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for s in fp.stmts:
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fn = s.fn
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self.scope = s.scope
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self.cur = f'{fp.path.split("/")[-1]}:{fn}:{s.kind}:{fp.src.count(chr(10), 0, (s.a or s.b).s if (s.a or s.b) else 0) + 1}'
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if s.kind == 'let':
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if s.b is not None:
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if not s.decl.ty: self.types[s.decl.key] = self.rec_of(s.b, fn)
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self.flow(s.decl.key, self.ev(s.b, fn))
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elif s.kind == 'assign':
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if s.a.kind == 'index':
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ck = self.ev(s.a.kids[0], fn)
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uf.mark(self.ev(s.a.kids[1], fn), 'i', 'index')
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vk = self.ev(s.b, fn)
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inner = self.inner_of(ck) if ck is not None else None
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if inner is not None and vk is not None: self.elinks.append((inner, vk))
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elif ck is not None and vk is not None: self.stores.append((ck, vk, s.b))
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else:
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self.flow(self.ev(s.a, fn), self.ev(s.b, fn))
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elif s.kind == 'opassign':
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uf.mark(self.ev(s.a, fn), 'i', s.op)
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uf.mark(self.ev(s.b, fn), 'i', s.op)
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elif s.kind == 'return':
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f = self.funcs.get(fn)
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k = self.ev(s.a, fn)
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if f and f.ret: self.flow(f.ret.key, k)
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elif s.kind == 'forrange':
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uf.mark(self.ev(s.a, fn), 'i', 'for range')
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uf.mark(self.ev(s.b, fn), 'i', 'for range')
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uf.mark(self.lookup(s.var, fn), 'i', 'for range')
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elif s.kind == 'foreach':
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ck = self.ev(s.a, fn)
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if ck is not None:
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vk = self.lookup(s.var, fn)
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et = self.types.get(ck, '')
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if et.startswith('[]'): self.types[vk] = et[2:]
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self.reads.append((ck, vk))
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else:
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if s.a is not None: self.ev(s.a, fn)
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# parameters: joined to what is passed, unless a function is fed both kinds
|
|
self.poly = set()
|
|
self.cur = 'settle'
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|
self.final = False
|
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for _ in range(12):
|
|
self.settle_flows()
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|
self.settle_params()
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|
self.settle_stores()
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|
self.settle_reads()
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self.settle_rets()
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|
self.settle_elinks()
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self.final = True # what never gained a kind joins whatever it flows into
|
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for _ in range(3):
|
|
self.settle_flows()
|
|
self.settle_params()
|
|
self.settle_stores()
|
|
self.settle_reads()
|
|
self.settle_rets()
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|
self.settle_elinks()
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|
self.spread_mixed()
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|
return self
|
|
|
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def spread_mixed(self):
|
|
"""a buffer shared with one that holds both kinds holds both too"""
|
|
grew = True
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|
while grew:
|
|
grew = False
|
|
for a, b in self.elinks:
|
|
if (a in self.mixed) != (b in self.mixed):
|
|
self.mixed.add(a)
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|
self.mixed.add(b)
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|
grew = True
|
|
|
|
def decide(self, keys):
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|
"""'join', 'wait' or 'split' for a set of keys a value flows between"""
|
|
k = self.kinds_of(keys)
|
|
if k == {'f', 'i'}: return 'split'
|
|
if k or self.final: return 'join'
|
|
return 'wait'
|
|
|
|
def settle_reads(self):
|
|
for ck, rk in self.reads:
|
|
root = ck
|
|
if root in self.mixed: continue
|
|
e = ('E', root)
|
|
d = self.decide([e, rk])
|
|
if d == 'split':
|
|
self.mixed.add(root)
|
|
continue
|
|
if d == 'join': self.uf.union(e, rk)
|
|
|
|
def settle_rets(self):
|
|
by = {}
|
|
for f, rk in self.rets: by.setdefault(f.name, []).append(rk)
|
|
for fn_, rks in by.items():
|
|
if fn_ in self.poly_ret: continue
|
|
rkey = self.funcs[fn_].ret.key
|
|
probe = [('E', k) for k in rks + [rkey]] if self.is_container(rkey) else rks + [rkey]
|
|
d = self.decide(probe)
|
|
if d == 'split':
|
|
self.poly_ret.add(fn_)
|
|
continue
|
|
if d == 'join':
|
|
for rk in rks: self.link(rkey, rk)
|
|
|
|
def kinds_of(self, keys):
|
|
uf, kinds = self.uf, set()
|
|
for k in keys:
|
|
if k is None: continue
|
|
if uf.is_float(k) and not uf.is_int(k): kinds.add('f')
|
|
elif uf.is_int(k) and not uf.is_float(k): kinds.add('i')
|
|
return kinds
|
|
|
|
def settle_stores(self):
|
|
by = {}
|
|
for ck, vk, node in self.stores: by.setdefault(ck, []).append(vk)
|
|
for root, vks in by.items():
|
|
if root in self.mixed: continue
|
|
d = self.decide(vks + [('E', root)])
|
|
if d == 'split':
|
|
self.mixed.add(root)
|
|
continue
|
|
if d == 'join':
|
|
for vk in vks: self.uf.union(('E', root), vk)
|
|
|
|
def settle_params(self):
|
|
uf = self.uf
|
|
by = {}
|
|
for f, i, k, a in self.calls: by.setdefault((f.name, i), []).append(k)
|
|
for (fn_, i), ks in by.items():
|
|
f = self.funcs[fn_]
|
|
pk = f.params[i].key
|
|
cont = self.is_container(pk)
|
|
kinds = set()
|
|
for k in ks + [pk]:
|
|
if k is None: continue
|
|
q = ('E', k) if cont or self.is_container(k) else k
|
|
if uf.is_float(q) and not uf.is_int(q): kinds.add('f')
|
|
elif uf.is_int(q) and not uf.is_float(q): kinds.add('i')
|
|
if kinds == {'f', 'i'}:
|
|
self.poly.add((fn_, i))
|
|
if self.final and not cont:
|
|
# an argument with no evidence of its own takes the parameter's kind
|
|
for k in ks:
|
|
if k is not None and not uf.is_float(k) and not uf.is_int(k) and not self.is_container(k): self.link(pk, k)
|
|
continue
|
|
if not kinds and not self.final: continue
|
|
for k in ks: self.link(pk, k)
|
|
|
|
def conflicts(self):
|
|
uf = self.uf
|
|
roots = set(uf.fl) & set(uf.it)
|
|
return [(r, uf.fl[r], uf.it[r]) for r in roots]
|
|
|
|
|
|
if __name__ == '__main__':
|
|
import sys
|
|
game = sys.argv[1]
|
|
home = sys.argv[2]
|
|
prog = Program([game + '/src', game + '/lab', home + '/packages/ludic.render3d'], [home + '/runtime/native']).run()
|
|
fl = sum(1 for d in prog.all_decls() if prog.uf.is_float(d.key) and not prog.uf.is_int(d.key))
|
|
print(f'{len(prog.files)} files, {len(prog.funcs)} functions; {fl} declarations are float')
|
|
cs = prog.conflicts()
|
|
print(f'{len(cs)} groups are both; {len(prog.splits)} flows cross between kinds; {len(prog.poly)} params and {len(prog.poly_ret)} returns take both; {len(prog.mixed)} buffers hold both')
|
|
for a, b, w in prog.splits[:25]: print(' split', w, a, b)
|
|
names = {}
|
|
for d in prog.all_decls():
|
|
r = prog.uf.find(d.key)
|
|
names.setdefault(r, []).append(d.key)
|
|
for r, f_, i_ in sorted(cs, key=lambda c: -len(names.get(c[0], [])))[:25]:
|
|
print(len(names.get(r, [])), names.get(r, [])[:6], 'F:', f_[:2], 'I:', i_[:3])
|