45 lines
1.2 KiB
Lua
45 lines
1.2 KiB
Lua
function display_token_table(s)
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s:for_each(function(k, cmd, val, prec)
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io.write(k)
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if cmd then
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io.write(" [command]")
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end
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print(" => " .. tostring(val) .. " " .. tostring(prec))
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end)
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end
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function token_table_size(s)
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local r = 0
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s:for_each(function() r = r + 1 end)
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return r
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end
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local s = token_table()
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assert(is_token_table(s))
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assert(token_table_size(s) == 0)
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s = s:add_command_token("test", "tst1")
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s = s:add_command_token("tast", "tst2")
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s = s:add_command_token("tests", "tst3")
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s = s:add_command_token("fests", "tst4")
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s = s:add_command_token("tes", "tst5")
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s = s:add_token("++", "++", 65)
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s = s:add_token("++-", "plusminus")
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assert(token_table_size(s) == 7)
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display_token_table(s)
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print("========")
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local s2 = default_token_table()
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display_token_table(s2)
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assert(token_table_size(s2) > 0)
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local sz1 = token_table_size(s)
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local sz2 = token_table_size(s2)
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s2 = s2:merge(s)
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assert(token_table_size(s2) == sz1 + sz2)
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s2 = s2:find("t"):find("e")
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print("========")
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display_token_table(s2)
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assert(token_table_size(s2) == 3)
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s2 = s2:find("s")
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local cmd, val, prec = s2:value_of()
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assert(val == name("tst5"))
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