diff options
Diffstat (limited to 'dirtycompiler.lua')
| -rw-r--r-- | dirtycompiler.lua | 71 |
1 files changed, 51 insertions, 20 deletions
diff --git a/dirtycompiler.lua b/dirtycompiler.lua index ba499b3..3ece694 100644 --- a/dirtycompiler.lua +++ b/dirtycompiler.lua @@ -160,14 +160,8 @@ defs[parser.FALLBACK] = function(state, token) -- figure out whether we're in funcname local i = results.n - 1 -- skip the ':' local find_statement = true - --while is_tk(results, i, '\n') do -- ignore newlines - -- i = i - 1 - --end i = ignore_newlines(results, i) while results[i-1] == TK.NAME do - --while is_tk(results, i-2, '\n') do -- ignore newlines - -- i = i - 1 - --end i = ignore_newlines(results, i-2) + 2 if is_tk(results, i-2, '.') then -- keep going @@ -194,9 +188,6 @@ defs[parser.FALLBACK] = function(state, token) end if find_statement then while true do - --while is_tk(results, i, '\n') do -- ignore newlines - -- i = i - 1 - --end i = ignore_newlines(results, i) if is_tk(results, i, ')') then -- (prefixexp) or (funcargs) @@ -208,6 +199,8 @@ defs[parser.FALLBACK] = function(state, token) depth = depth - 1 elseif is_tk(results, i, ')') then depth = depth + 1 + elseif not results[i] then + error("syntax error (unbalanced '()')") end until depth == 0 elseif is_tk(results, i, ']') then @@ -220,6 +213,8 @@ defs[parser.FALLBACK] = function(state, token) depth = depth - 1 elseif is_tk(results, i, ']') then depth = depth + 1 + elseif not results[i] then + error("syntax error (unbalanced '[]')") end until depth == 0 elseif results[i-1] == TK.NAME then @@ -243,6 +238,8 @@ defs[parser.FALLBACK] = function(state, token) depth = depth - 1 elseif is_tk(results, newi, ']') then depth = depth + 1 + elseif not results[i] then + error("syntax error (unbalanced '{}')") end until depth == 0 local checki = ignore_newlines(results, newi-1) @@ -328,7 +325,6 @@ defs[parser.FALLBACK] = function(state, token) local tk_mytrait = i-1 i = ignore_newlines(results, i-2) if results[i-1] == END_OF_STMT then - assert(token == '(', "unimplemented") -- definitely cratera (stmt ':' Name '.' Name '(') -- convert into '(' stmt ',' String ',' String -- convert names into strings @@ -344,13 +340,14 @@ defs[parser.FALLBACK] = function(state, token) depth = depth - 1 elseif is_tk(results, i, ']') then depth = depth + 1 + elseif not results[i] then + error("syntax error (unbalanced '[]')") end until depth == 0 local tk_left = i i = ignore_newlines(results, i-1) if results[i-1] == END_OF_STMT then - assert(token == '(', "unimplemented") - -- definitely cratera (':' '[' exp ']' '.' Name '(') + -- definitely cratera (stmt ':' '[' exp ']' '.' Name '(') -- convert into '(' stmt ',' '(' exp ')' ',' String -- replace '[' and ']' results[tk_right] = ')' @@ -359,6 +356,7 @@ defs[parser.FALLBACK] = function(state, token) end -- else not cratera end if inject_cratera then + --assert(token == '(', "unimplemented") -- convert name into string results[tk_myfunction] = TK.STRING -- replace '.' with ',' @@ -370,8 +368,16 @@ defs[parser.FALLBACK] = function(state, token) results.n = results.n - 2 -- replace ':' with ',' results[ignore_newlines(results, i-2)] = ',' - -- replace START_OF_STMT with '(', and '(' with ',' - results[pos], results[results.n] = '(', ',' + -- replace START_OF_STMT with '(' + results[pos] = '(' + if token == '(' then + -- replace '(' with ',' + results[results.n] = ',' + else + -- insert ',' before argument + table.insert(results, results.n, ',') + results.n = results.n + 1 + end -- inject cratera table.insert(results, pos, ')') table.insert(results, pos, CRATERA_FUNCTION) @@ -386,19 +392,38 @@ defs[parser.FALLBACK] = function(state, token) results.n = results.n + 1 end results.n = results.n + 3 - -- tag it for '(' ')' (no argument) calls + -- tag it so we know to insert a ')' to close our '(' + -- and to handle '(' ')' (no argument) calls + -- we add the tag before TK.STRING/'{'/',' + table.insert(results, results.n, END_OF_CRATERA) results.n = results.n + 1 - results[results.n] = END_OF_CRATERA end end -- else not cratera end elseif token == '}' then - -- TODO unimplemented + local i = results.n -- we'll be subtracting anyway, see below + local depth = 1 + repeat + i = i - 1 + if is_tk(results, i, '{') then + depth = depth - 1 + elseif is_tk(results, i, '}') then + depth = depth + 1 + elseif not results[i] then + error("syntax error (unbalanced '{}')") + end + until depth == 0 + assert(is_tk(results, i, '{')) + if results[i-1] == END_OF_CRATERA then + -- need to add ')' to close our '(' + table.remove(results, i-1) + results[results.n] = ')' + end elseif token == ')' then local i = results.n - 1 -- skip the ')' i = ignore_newlines(results, i) - if results[i] == END_OF_CRATERA then - -- '(' CRATERA_FUNCTION ')' '(' something ',' END_OF_CRATERA ')' + if results[i] == ',' and results[i-1] == END_OF_CRATERA then + -- '(' CRATERA_FUNCTION ')' '(' something END_OF_CRATERA ',' ')' -- need to fix it up into -- '(' CRATERA_FUNCTION ')' '(' something ')' table.remove(results, i-1) @@ -419,11 +444,17 @@ defs[parser.FALLBACK] = function(state, token) results.n = results.n - 1 break elseif not results[i] then - error("syntax error") + error("syntax error (unbalanced '()')") end until depth == 0 end end + else -- we skipped a string literal + if results[results.n-1] == TK.STRING and results[results.n-2] == END_OF_CRATERA then + -- need to add ')' to close our '(' + table.remove(results, results.n-2) + results[results.n] = ')' + end end results.skip = EXTRA_DATA[token] return SELF |