Software / code / prosody
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util/bitcompat.lua @ 12774:fc4adc32a537
util.stanza: Add new methods to Teal interface specification
at_top: 21217f7e82b9
get_child_with_attr: 39164ea2ab9e
get_child_attr: e8934ce6ea0f
add_error: 5f182bccf33f
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Mon, 17 Oct 2022 15:13:04 +0200 |
| parent | 12573:0f4feaf9ca64 |
| child | 12975:d10957394a3c |
| rev | line source |
|---|---|
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10241
48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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1 -- Compatibility layer for bitwise operations |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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2 |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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3 -- First try the bit32 lib |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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4 -- Lua 5.3 has it with compat enabled |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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5 -- Lua 5.2 has it by default |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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6 if _G.bit32 then |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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7 return _G.bit32; |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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8 end |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
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9 |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
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10 do |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
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11 -- Lua 5.3 and 5.4 would be able to use native infix operators |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
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12 local ok, bitop = pcall(require, "util.bit53") |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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13 if ok then |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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14 return bitop; |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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15 end |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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16 end |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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17 |
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48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
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18 error "No bit module found. See https://prosody.im/doc/depends#bitop"; |