112 lines
2.3 KiB
Python
112 lines
2.3 KiB
Python
lines = r"""
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#define OPS \
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X(TOPCOM, 1)
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X(TOPSET, 2)
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X(TOPLOR, 3)
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X(TOPLXOR, 4)
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X(TOPLAND, 5)
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X(TUNLNOT, 6)
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X(TOPEQ, 7)
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X(TOPNE, 7)
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X(TOPLT, 7)
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X(TOPGT, 7)
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X(TOPLE, 7)
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X(TOPGE, 7)
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X(TOPOR, 8)
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X(TOPXOR, 9)
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X(TOPAND, 10)
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X(TOPSHL, 11)
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X(TOPSHR, 11)
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X(TOPADD, 12)
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X(TOPSUB, 12)
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X(TOPMUL, 13)
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X(TOPDIV, 13)
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X(TOPMOD, 13)
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X(TUNNOT, 14)
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X(TUNINV, 14)
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X(TUNPOS, 14)
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X(TUNNEG, 14)
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X(TOPPOW, 15)
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X(TOPTYPE, 16)
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X(TOPLT_S, 0)
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X(TOPGT_S, 0)
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X(TOPLE_S, 0)
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X(TOPGE_S, 0)
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X(TOPSHL_S, 0)
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X(TOPSHR_S, 0)
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X(TOPDIV_S, 0)
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X(TOPMOD_S, 0)
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X(TOPPOW_S, 0)
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"""
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lines = r"""
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const char
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*fall = "failed to allocate memory",
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*farg = "malformed argc/argv",
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*fbignum = "number too large",
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*femp = "empty token",
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*feof = "unexpected end of file",
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*ffread = "read failed",
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*fid = "identifiers cannot be longer than " STR(MAXLEN) " bytes",
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*finc8 = "incomplete UTF-8",
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*finv8 = "invalid UTF-8",
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*fmiscl = "missing \")\"",
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*fmisop = "missing \"(\"",
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*fmop = "missing operand",
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*fnan = "not a number",
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*fnot = "no token",
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*fnotid = "left-hand operand must be an identifier",
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*fnumpre = "invalid numeric prefix",
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*fopmod = "operands have different modulos",
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*fopsign = "operands have different signedness",
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*fout8 = "out of range for UTF-8",
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*fstart = "invalid starting token",
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*ftype = "invalid type",
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*fuchar = "unknown character",
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*fundef = "undefined",
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*funex = "unexpected",
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*funkop = "unknown operator",
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"""
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lines = lines.strip().split('\n')
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header, lines = lines[0], lines[1:]
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lines = sorted(lines, key=lambda k: -len(k))
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ispp = header[0] == '#'
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def tryout(s, *used):
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if len(s) > 80 - (6 if ispp else 4):
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return None, None
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best_str = s
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best_used = used
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for j, other in enumerate(lines):
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if j in used:
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continue
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ts, tused = tryout(s + ' ' + other, j, *used)
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if ts is None:
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continue
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if len(ts) > len(best_str):
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best_str = ts
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best_used = tused
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return best_str, best_used
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used = []
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print(header)
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for i, line in enumerate(lines):
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if i in used:
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continue
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s, tused = tryout(line, i, *used)
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used += tused
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islast = not any(j not in used for j in range(i, len(lines)))
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if islast:
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if s[-1] == ',':
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print(' ' + s[:-1] + ';')
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else:
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print(' ' + s)
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else:
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if ispp:
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print(' ' + s + ' \\')
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else:
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print(' ' + s)
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