b5fb8933af
aggressive optimizations and generally helps performance. Some safety is lost, but I think the performance gains, reduced complexity, and reduced dependencies are worth it.
77 lines
2.1 KiB
Plaintext
77 lines
2.1 KiB
Plaintext
#..
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Tests for the stuff defined in lib/metaprogramming.nom
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use "core"
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immediately
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compile [five] to: Lua value "5"
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assume ((five) = 5) or barf "Compile to expression failed."
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immediately
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compile [loc x] to: Lua "local _x = 99;"
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lua> "do"
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loc x
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assume (%x is 99) or barf "Compile to statements with locals failed."
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lua> "end"
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assume (%x is (nil)) or barf "Failed to properly localize a variable."
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immediately
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compile [asdf] to
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%tmp <- ""
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return: Lua %tmp
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asdf
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assume (%tmp is (nil)) or barf "compile to is leaking variables"
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action [foo %x]
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%y <- (%x + 1)
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return %y
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assume ((foo 10) = 11) or barf "Action didn't work."
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assume (%y is (nil)) or barf "Action leaked a local into globals."
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immediately
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parse [baz %] as: foo %
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assume ((baz 10) = 11) or barf "Parse as action failed."
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immediately
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parse [V] as: five
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assume ((V) = 5) or barf "Parse as compile action failed."
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immediately
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parse [swap %x and %y] as
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do
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%tmp <- %x
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%x <- %y
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%y <- %tmp
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<- {%1:1, %2:2}
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swap %1 and %2
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assume ((%1 = 2) and (%2 = 1)) or barf "'parse % as %' failed on 'swap % and %'"
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<- {%tmp:1, %tmp2:2}
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swap %tmp and %tmp2
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assume ((%tmp = 2) and (%tmp2 = 1)) or barf "'parse % as %' variable mangling failed."
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remove action (foo %)
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try: foo 99
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..and if it succeeds: barf "Failed to delete action"
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assume ((\(5 + 5) as value) = 10) or barf "%tree as value failed."
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assume ("\(\(foo %x) as nomsu)" = "foo %x") or barf "action source code failed."
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assume ("\(\%x as nomsu)" = "%x") or barf "var source code failed."
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assume ((type of {}) = "table") or barf "type of failed."
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assume ((nomsu) = (=lua "nomsu")) or barf "nomsu failed"
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assume ("\(\%x as lua identifier)" = "_x") or barf "converting to identifier failed."
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assume ((run "return 99") = 99) or barf "run % failed."
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%code <-: Lua "global_x = true;"
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lua> %code
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assume (=lua "global_x") or barf "Running lua from a variable failed."
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%code <-: Lua value "global_x"
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assume (=lua %code) or barf "Running lua from a variable failed."
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say "Metaprogramming test passed."
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