Reuh/candran
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v0.6.0

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* Fixed HORRIBLE parsing bugs with short functions and right assignemnt
operators
* Allowed to omit then, do and end for some statements
* Fixed hexa numbers parsing
* Run the Lua 5.3 test suite through Candran, everything that should
work worked! Yay!

Lacks tests and README
This commit is contained in:
Étienne Fildadut 2017-08-31 19:17:34 +02:00
parent 724249555f
commit 70d3aba121
8 changed files with 369 additions and 95 deletions
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14
compiler/lua53.can
View file

@ -2,7 +2,7 @@ return function(code, ast, options)
--- Line mapping
local lastInputPos = 1 -- last token position in the input code
local prevLinePos = 1 -- last token position in the previous line of code in the input code
local lastSource = "nil" -- last found code source name (from the original file)
local lastSource = options.chunkname or "nil" -- last found code source name (from the original file)
local lastLine = 1 -- last found line number (from the original file)
--- Newline management
@ -282,17 +282,17 @@ return function(code, ast, options)
end
return r
end,
-- Localrec{ ident expr }
-- Localrec{ {ident} {expr} }
Localrec = (t)
return "local function "..lua(t[1][1])..lua(t[2][1], "_functionWithoutKeyword")
end,
-- Goto{ <string> }
Goto = (t)
return "goto " .. lua(t[1], "Id")
return "goto " .. lua(t, "Id")
end,
-- Label{ <string> }
Label = (t)
return "::" .. lua(t[1], "Id") .. "::"
return "::" .. lua(t, "Id") .. "::"
end,
-- Return{ <expr*> }
Return = (t)
@ -347,7 +347,7 @@ return function(code, ast, options)
Boolean = (t)
return tostring(t[1])
end,
-- Number{ <number> }
-- Number{ <string> }
Number = (t)
return tostring(t[1])
end,
@ -363,7 +363,7 @@ return function(code, ast, options)
if t[1][1].tag == "ParPair" then
local id = lua(t[1][1][1])
indentLevel += 1
table.insert(decl, id .. " = " .. id .. " == nil and " .. lua(t[1][1][2]) .. " or " .. id)
table.insert(decl, "if " .. id .. " == nil then " .. id .. " = " .. lua(t[1][1][2]) .. " end")
indentLevel -= 1
r ..= id
else
@ -483,7 +483,7 @@ return function(code, ast, options)
IfExpr = (t)
for i=2, #t do -- convert final pushes to returns
local block = t[i]
if block[#block].tag == "Push" then
if block[#block] and block[#block].tag == "Push" then
block[#block].tag = "Return"
end
end