79 lines
2.1 KiB
Plaintext
79 lines
2.1 KiB
Plaintext
#!/usr/bin/env nomsu -V6.14
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#
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This file contains some definitions of text escape sequences, including ANSI console
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color codes.
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use "core/metaprogramming"
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use "core/operators"
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use "core/control_flow"
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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test:
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assume "\[1, 2, 3]" == "[1, 2, 3]"
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assume "foo = \(1 + 2)!" == "foo = 3!"
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assume ("
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one
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two
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") == ("
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one
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two
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")
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assume "nogap" == "nogap"
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assume (["x", "y"], joined with ",") == "x,y"
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assume (["x", "y"], joined) == "xy"
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assume ("BAR", byte 2) == 65
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assume ("BAR", bytes 1 to 2) == [66, 65]
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assume ("asdf", capitalized) == "Asdf"
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assume ("asdf", uppercase) == "ASDF"
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assume ("asdf", with "s" -> "X") == "aXdf"
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assume
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("
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one
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two
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"), lines
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..== ["one", "two", ""]
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($spec とは $body) parses as ($spec means $body)
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test:
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$こんにちは = "こんにちは"
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($ と言う) とは "\($)世界"
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assume ($こんにちは と言う) == "こんにちは世界"
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($expr for $match in $text matching $patt) compiles to:
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define mangler
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return
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Lua ("
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(function()
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local \(mangle "comprehension") = List{}
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for \($match as lua expr) in (\($text as lua expr)):gmatch(\($patt as lua expr)) do
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\(mangle "comprehension")[#\(mangle "comprehension")+1] = \($expr as lua)
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end
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return \(mangle "comprehension")
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end)()
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")
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test:
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assume "\n" == (newline)
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test:
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assume (0xDEADBEEF as hex) == "0xDEADBEEF"
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externally ($num as hex) means:
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if ($num < 0):
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return ("-0x%X", formatted with (- $num))
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..else:
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return ("0x%X", formatted with $num)
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# Text literals
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$escapes = {
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.nl = "\n", .newline = "\n", .tab = "\t", .bell = "\a", .cr = "\r", ."carriage return" = "\r"
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.backspace = "\b", ."form feed" = "\f", .formfeed = "\f", ."vertical tab" = "\v"
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}
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for $name = $str in $escapes:
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with [$lua = (Lua (quote $str))]:
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$(COMPILE RULES).$name = (-> $lua)
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