33 lines
1.3 KiB
Lua
33 lines
1.3 KiB
Lua
local env = environment()
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env:import("Int")
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env:add_uvar_cnstr("M", level(level(), 1))
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env:add_uvar_cnstr("Z", level(level("M"), 1))
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assert(env:is_ge(level("Z"), level("M")))
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local child = env:mk_child()
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assert(env:has_children())
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assert(child:has_parent())
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child:add_var("x", Const("Int"))
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for o in child:local_objects() do
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assert(o:get_name() == name("x"))
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print(o)
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end
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local eenv = empty_environment()
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print(not eenv:find_object("Int"))
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assert(not pcall(function() env:parent() end))
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local p = child:parent()
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assert(p:has_children())
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assert(not pcall(function() env:add_uvar_cnstr("Z") end))
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child:add_uvar_cnstr("Z")
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assert(not pcall(function() child:add_uvar_cnstr("M", level("Z")) end))
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child:add_definition("val1", Const("true"), true)
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child:add_definition("val2", Const("Bool"), Const("true"), true)
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local ok, msg = pcall(function() child:add_definition("val3", Const("Int"), Const("true"), true) end)
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assert(not ok)
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print(msg)
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assert(child:normalize(Const("val2")) == Const("val2"))
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child:add_theorem("Th1", HEq(iVal(0), iVal(0)), Const("trivial"))
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child:add_axiom("H1", HEq(Const("x"), iVal(0)))
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assert(child:has_object("H1"))
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local ctx = context(context(), "x", Const("Int"), iVal(10))
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assert(child:normalize(Var(0), ctx) == iVal(10))
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assert(child:type_check(Var(0), ctx) == Const("Int"))
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