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annotate src/luan/cmd_line.luan @ 1802:ca98dee04e08 default tip

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add Parsers.json_null
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 21 Apr 2024 21:25:15 -0600
parents bac27b119ff2
children
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ca169567ce07 module URIs must now include ".luan"
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local ipairs = Luan.ipairs or error()
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4 local load_file = Luan.load_file or error()
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5 local Table = require "luan:Table.luan"
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6 local pack = Table.pack or error()
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7 local unpack = Table.unpack or error()
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8 local Io = require "luan:Io.luan"
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9 local print = Io.print or error()
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10 require "java"
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11 local System = require "java:java.lang.System"
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12
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14 local args = {...}
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15 if #args == 0 then
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16 print("Luan "..Luan.VERSION)
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17 Io.debug("> ")
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18 else
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19 local file = args[1]
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20 try
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21 local main_file = load_file(file) or error("file '"..file.."' not found")
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22 local rtn = pack( main_file( unpack(Luan.arg) ) )
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23 if rtn.n > 0 then
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24 print( unpack(rtn) )
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25 end
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26 catch e
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27 -- require "java"; e.java.printStackTrace();
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28 Io.print_to(Io.stderr, e )
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29 System.exit(1)
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30 end
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31 end