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comparison src/luan/modules/Io.luan @ 1570:81288d8b20a2

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add Io.relative_file_name
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 18 Nov 2020 20:41:49 -0700
parents d9a5405a3102
children a23b02693d3b
comparison
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1569:adf83ae2b9ea 1570:81288d8b20a2
1 require "java" 1 require "java"
2 local IoLuan = require "java:luan.modules.IoLuan" 2 local IoLuan = require "java:luan.modules.IoLuan"
3 local System = require "java:java.lang.System" 3 local System = require "java:java.lang.System"
4 local Boot = require "luan:Boot.luan" 4 local Boot = require "luan:Boot.luan"
5 local LuanException = require "java:luan.LuanException"
5 6
6 7
7 local Io = {} 8 local Io = {}
8 9
9 Io.dns_lookup = IoLuan.dns_lookup 10 Io.dns_lookup = IoLuan.dns_lookup
78 Io.output_to(out,fn) 79 Io.output_to(out,fn)
79 out.close() 80 out.close()
80 return string_uri.read_text() 81 return string_uri.read_text()
81 end 82 end
82 83
84 function Io.relative_file_name(path)
85 local f = LuanException.getLuanStackTrace()[2].getFileName()
86 f = uri(f)
87 f.parent or error "source isn't file"
88 return f.parent().to_uri_string().."/"..path
89 end
90
83 91
84 -- debug 92 -- debug
85 93
86 function Io.debug(prompt) 94 function Io.debug(prompt)
87 prompt = prompt or "luan_debug> " 95 prompt = prompt or "luan_debug> "