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fix argument to json.decode

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This commit is contained in:
Sky Johnson 2025-05-02 08:07:21 -05:00
parent df9e0cb21b
commit 1867b30d68
1 changed files with 27 additions and 27 deletions
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54
core/runner/json.lua
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@ -72,9 +72,9 @@ function json.encode(data)
return "null" -- Unsupported type
end
function json.decode(json)
function json.decode(data)
local pos = 1
local len = #json
local len = #data
-- Pre-compute byte values
local b_space = string.byte(' ')
@ -102,7 +102,7 @@ function json.decode(json)
local function skip()
local b
while pos <= len do
b = json:byte(pos)
b = data:byte(pos)
if b > b_space or (b ~= b_space and b ~= b_tab and b ~= b_cr and b ~= b_lf) then
break
end
@ -128,12 +128,12 @@ function json.decode(json)
local c, b
while pos <= len do
b = json:byte(pos)
b = data:byte(pos)
if b == b_backslash then
-- Add the chunk before the escape character
if pos > start then
result[result_pos] = json:sub(start, pos - 1)
result[result_pos] = data:sub(start, pos - 1)
result_pos = result_pos + 1
end
@ -142,7 +142,7 @@ function json.decode(json)
error("Unterminated string escape")
end
c = json:byte(pos)
c = data:byte(pos)
if c == b_quote then
result[result_pos] = '"'
elseif c == b_backslash then
@ -160,7 +160,7 @@ function json.decode(json)
elseif c == string.byte('t') then
result[result_pos] = '\t'
else
result[result_pos] = json:sub(pos, pos)
result[result_pos] = data:sub(pos, pos)
end
result_pos = result_pos + 1
@ -169,7 +169,7 @@ function json.decode(json)
elseif b == b_quote then
-- Add the final chunk
if pos > start then
result[result_pos] = json:sub(start, pos - 1)
result[result_pos] = data:sub(start, pos - 1)
result_pos = result_pos + 1
end
@ -186,7 +186,7 @@ function json.decode(json)
-- Parse a number more efficiently
parse_number = function()
local start = pos
local b = json:byte(pos)
local b = data:byte(pos)
-- Skip any sign
if b == b_minus then
@ -194,7 +194,7 @@ function json.decode(json)
if pos > len then
error("Malformed number")
end
b = json:byte(pos)
b = data:byte(pos)
end
-- Integer part
@ -205,20 +205,20 @@ function json.decode(json)
repeat
pos = pos + 1
if pos > len then break end
b = json:byte(pos)
b = data:byte(pos)
until b < b_0 or b > b_9
-- Fractional part
if pos <= len and b == b_dot then
pos = pos + 1
if pos > len or json:byte(pos) < b_0 or json:byte(pos) > b_9 then
if pos > len or data:byte(pos) < b_0 or data:byte(pos) > b_9 then
error("Malformed number")
end
repeat
pos = pos + 1
if pos > len then break end
b = json:byte(pos)
b = data:byte(pos)
until b < b_0 or b > b_9
end
@ -229,13 +229,13 @@ function json.decode(json)
error("Malformed number")
end
b = json:byte(pos)
b = data:byte(pos)
if b == b_plus or b == b_minus then
pos = pos + 1
if pos > len then
error("Malformed number")
end
b = json:byte(pos)
b = data:byte(pos)
end
if b < b_0 or b > b_9 then
@ -245,11 +245,11 @@ function json.decode(json)
repeat
pos = pos + 1
if pos > len then break end
b = json:byte(pos)
b = data:byte(pos)
until b < b_0 or b > b_9
end
return tonumber(json:sub(start, pos - 1))
return tonumber(data:sub(start, pos - 1))
end
-- Parse an object more efficiently
@ -258,7 +258,7 @@ function json.decode(json)
local obj = {}
skip()
if pos <= len and json:byte(pos) == b_rcurly then
if pos <= len and data:byte(pos) == b_rcurly then
pos = pos + 1
return obj
end
@ -266,14 +266,14 @@ function json.decode(json)
while pos <= len do
skip()
if json:byte(pos) ~= b_quote then
if data:byte(pos) ~= b_quote then
error("Expected string key")
end
local key = parse_string()
skip()
if json:byte(pos) ~= b_colon then
if data:byte(pos) ~= b_colon then
error("Expected colon")
end
pos = pos + 1
@ -281,7 +281,7 @@ function json.decode(json)
obj[key] = parse_value()
skip()
local b = json:byte(pos)
local b = data:byte(pos)
if b == b_rcurly then
pos = pos + 1
return obj
@ -303,7 +303,7 @@ function json.decode(json)
local index = 1
skip()
if pos <= len and json:byte(pos) == b_rbracket then
if pos <= len and data:byte(pos) == b_rbracket then
pos = pos + 1
return arr
end
@ -314,7 +314,7 @@ function json.decode(json)
skip()
local b = json:byte(pos)
local b = data:byte(pos)
if b == b_rbracket then
pos = pos + 1
return arr
@ -337,7 +337,7 @@ function json.decode(json)
error("Unexpected end of input")
end
local b = json:byte(pos)
local b = data:byte(pos)
if b == b_quote then
return parse_string()
@ -345,13 +345,13 @@ function json.decode(json)
return parse_object()
elseif b == b_lbracket then
return parse_array()
elseif b == string.byte('n') and pos + 3 <= len and json:sub(pos, pos + 3) == "null" then
elseif b == string.byte('n') and pos + 3 <= len and data:sub(pos, pos + 3) == "null" then
pos = pos + 4
return nil
elseif b == string.byte('t') and pos + 3 <= len and json:sub(pos, pos + 3) == "true" then
elseif b == string.byte('t') and pos + 3 <= len and data:sub(pos, pos + 3) == "true" then
pos = pos + 4
return true
elseif b == string.byte('f') and pos + 4 <= len and json:sub(pos, pos + 4) == "false" then
elseif b == string.byte('f') and pos + 4 <= len and data:sub(pos, pos + 4) == "false" then
pos = pos + 5
return false
elseif b == b_minus or (b >= b_0 and b <= b_9) then