32 lines
924 B
Lua
32 lines
924 B
Lua
function tst_match(p, t)
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local r1, r2 = match(p, t)
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assert(r1)
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print("--------------")
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for i = 1, #r1 do
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print(" expr:#" .. i .. " := " .. tostring(r1[i]))
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end
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for i = 1, #r2 do
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print(" lvl:#" .. i .. " := " .. tostring(r2[i]))
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end
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end
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local env = environment()
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local N = Const("N")
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local a = Const("a")
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local b = Const("b")
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local x = Local("x", N)
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local y = Local("y", N)
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local u1 = mk_global_univ("u1")
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local u2 = mk_global_univ("u2")
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local z = level()
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local f = Const("f", {u1, z})
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local f2 = Const("f", {u1, u1+1})
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local fp = Const("f", {mk_idx_metauniv(0), mk_idx_metauniv(1)})
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local V0 = mk_idx_metavar(0, N)
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local V1 = mk_idx_metavar(1, N)
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tst_match(fp(V0, V0), f(a, a))
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tst_match(fp(V0, V1), f2(a, b))
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local F0 = mk_idx_metavar(0, Pi(x, y, N))
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tst_match(F0(x, y), f(x, f(x, y)))
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assert(not match(F0(x, x), f(x, f(x, y))))
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assert(not match(F0(x), f(x, y)))
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