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author最萌小汐 <sumneko@hotmail.com>2019-11-22 23:26:32 +0800
committer最萌小汐 <sumneko@hotmail.com>2019-11-22 23:26:32 +0800
commitd0ff66c9abe9d6abbca12fd811e0c3cb69c1033a (patch)
treebb34518d70b85de7656dbdbe958dfa221a3ff3b3 /server-beta/src/parser
parent0a2c2ad15e1ec359171fb0dd4c72e57c5b66e9ba (diff)
downloadlua-language-server-d0ff66c9abe9d6abbca12fd811e0c3cb69c1033a.zip
整理一下目录结构
Diffstat (limited to 'server-beta/src/parser')
-rw-r--r--server-beta/src/parser/ast.lua1738
-rw-r--r--server-beta/src/parser/calcline.lua93
-rw-r--r--server-beta/src/parser/compile.lua549
-rw-r--r--server-beta/src/parser/emmy.lua321
-rw-r--r--server-beta/src/parser/grammar.lua537
-rw-r--r--server-beta/src/parser/guide.lua621
-rw-r--r--server-beta/src/parser/init.lua11
-rw-r--r--server-beta/src/parser/lines.lua46
-rw-r--r--server-beta/src/parser/parse.lua45
-rw-r--r--server-beta/src/parser/relabel.lua361
-rw-r--r--server-beta/src/parser/split.lua9
11 files changed, 0 insertions, 4331 deletions
diff --git a/server-beta/src/parser/ast.lua b/server-beta/src/parser/ast.lua
deleted file mode 100644
index dfd7656d..00000000
--- a/server-beta/src/parser/ast.lua
+++ /dev/null
@@ -1,1738 +0,0 @@
-local emmy = require 'parser.emmy'
-
-local tonumber = tonumber
-local stringChar = string.char
-local utf8Char = utf8.char
-local tableUnpack = table.unpack
-local mathType = math.type
-local tableRemove = table.remove
-local pairs = pairs
-local tableSort = table.sort
-
-_ENV = nil
-
-local State
-local PushError
-local PushDiag
-
--- goto 单独处理
-local RESERVED = {
- ['and'] = true,
- ['break'] = true,
- ['do'] = true,
- ['else'] = true,
- ['elseif'] = true,
- ['end'] = true,
- ['false'] = true,
- ['for'] = true,
- ['function'] = true,
- ['if'] = true,
- ['in'] = true,
- ['local'] = true,
- ['nil'] = true,
- ['not'] = true,
- ['or'] = true,
- ['repeat'] = true,
- ['return'] = true,
- ['then'] = true,
- ['true'] = true,
- ['until'] = true,
- ['while'] = true,
-}
-
-local VersionOp = {
- ['&'] = {'Lua 5.3', 'Lua 5.4'},
- ['~'] = {'Lua 5.3', 'Lua 5.4'},
- ['|'] = {'Lua 5.3', 'Lua 5.4'},
- ['<<'] = {'Lua 5.3', 'Lua 5.4'},
- ['>>'] = {'Lua 5.3', 'Lua 5.4'},
- ['//'] = {'Lua 5.3', 'Lua 5.4'},
-}
-
-local function checkOpVersion(op)
- local versions = VersionOp[op.type]
- if not versions then
- return
- end
- for i = 1, #versions do
- if versions[i] == State.version then
- return
- end
- end
- PushError {
- type = 'UNSUPPORT_SYMBOL',
- start = op.start,
- finish = op.finish,
- version = versions,
- info = {
- version = State.version,
- }
- }
-end
-
-local function checkMissEnd(start)
- if not State.MissEndErr then
- return
- end
- local err = State.MissEndErr
- State.MissEndErr = nil
- local _, finish = State.lua:find('[%w_]+', start)
- if not finish then
- return
- end
- err.info.related = {
- {
- start = start,
- finish = finish,
- }
- }
- PushError {
- type = 'MISS_END',
- start = start,
- finish = finish,
- }
-end
-
-local function getSelect(vararg, index)
- return {
- type = 'select',
- start = vararg.start,
- finish = vararg.finish,
- vararg = vararg,
- index = index,
- }
-end
-
-local function getValue(values, i)
- if not values then
- return nil, nil
- end
- local value = values[i]
- if not value then
- local last = values[#values]
- if not last then
- return nil, nil
- end
- if last.type == 'call' or last.type == 'varargs' then
- return getSelect(last, i - #values + 1)
- end
- return nil, nil
- end
- if value.type == 'call' or value.type == 'varargs' then
- value = getSelect(value, 1)
- end
- return value
-end
-
-local function createLocal(key, effect, value, attrs)
- if not key then
- return nil
- end
- key.type = 'local'
- key.effect = effect
- key.value = value
- key.attrs = attrs
- if value then
- key.range = value.finish
- end
- return key
-end
-
-local function createCall(args, start, finish)
- if args then
- args.type = 'callargs'
- args.start = start
- args.finish = finish
- end
- return {
- type = 'call',
- start = start,
- finish = finish,
- args = args,
- }
-end
-
-local function packList(start, list, finish)
- local lastFinish = start
- local wantName = true
- local count = 0
- for i = 1, #list do
- local ast = list[i]
- if ast.type == ',' then
- if wantName or i == #list then
- PushError {
- type = 'UNEXPECT_SYMBOL',
- start = ast.start,
- finish = ast.finish,
- info = {
- symbol = ',',
- }
- }
- end
- wantName = true
- else
- if not wantName then
- PushError {
- type = 'MISS_SYMBOL',
- start = lastFinish,
- finish = ast.start - 1,
- info = {
- symbol = ',',
- }
- }
- end
- wantName = false
- count = count + 1
- list[count] = list[i]
- end
- lastFinish = ast.finish + 1
- end
- for i = count + 1, #list do
- list[i] = nil
- end
- list.type = 'list'
- list.start = start
- list.finish = finish - 1
- return list
-end
-
-local BinaryLevel = {
- ['or'] = 1,
- ['and'] = 2,
- ['<='] = 3,
- ['>='] = 3,
- ['<'] = 3,
- ['>'] = 3,
- ['~='] = 3,
- ['=='] = 3,
- ['|'] = 4,
- ['~'] = 5,
- ['&'] = 6,
- ['<<'] = 7,
- ['>>'] = 7,
- ['..'] = 8,
- ['+'] = 9,
- ['-'] = 9,
- ['*'] = 10,
- ['//'] = 10,
- ['/'] = 10,
- ['%'] = 10,
- ['^'] = 11,
-}
-
-local BinaryForward = {
- [01] = true,
- [02] = true,
- [03] = true,
- [04] = true,
- [05] = true,
- [06] = true,
- [07] = true,
- [08] = false,
- [09] = true,
- [10] = true,
- [11] = false,
-}
-
-local Defs = {
- Nil = function (pos)
- return {
- type = 'nil',
- start = pos,
- finish = pos + 2,
- }
- end,
- True = function (pos)
- return {
- type = 'boolean',
- start = pos,
- finish = pos + 3,
- [1] = true,
- }
- end,
- False = function (pos)
- return {
- type = 'boolean',
- start = pos,
- finish = pos + 4,
- [1] = false,
- }
- end,
- LongComment = function (beforeEq, afterEq, str, missPos)
- if missPos then
- local endSymbol = ']' .. ('='):rep(afterEq-beforeEq) .. ']'
- local s, _, w = str:find('(%][%=]*%])[%c%s]*$')
- if s then
- PushError {
- type = 'ERR_LCOMMENT_END',
- start = missPos - #str + s - 1,
- finish = missPos - #str + s + #w - 2,
- info = {
- symbol = endSymbol,
- },
- fix = {
- title = 'FIX_LCOMMENT_END',
- {
- start = missPos - #str + s - 1,
- finish = missPos - #str + s + #w - 2,
- text = endSymbol,
- }
- },
- }
- end
- PushError {
- type = 'MISS_SYMBOL',
- start = missPos,
- finish = missPos,
- info = {
- symbol = endSymbol,
- },
- fix = {
- title = 'ADD_LCOMMENT_END',
- {
- start = missPos,
- finish = missPos,
- text = endSymbol,
- }
- },
- }
- end
- end,
- CLongComment = function (start1, finish1, start2, finish2)
- PushError {
- type = 'ERR_C_LONG_COMMENT',
- start = start1,
- finish = finish2 - 1,
- fix = {
- title = 'FIX_C_LONG_COMMENT',
- {
- start = start1,
- finish = finish1 - 1,
- text = '--[[',
- },
- {
- start = start2,
- finish = finish2 - 1,
- text = '--]]'
- },
- }
- }
- end,
- CCommentPrefix = function (start, finish)
- PushError {
- type = 'ERR_COMMENT_PREFIX',
- start = start,
- finish = finish - 1,
- fix = {
- title = 'FIX_COMMENT_PREFIX',
- {
- start = start,
- finish = finish - 1,
- text = '--',
- },
- }
- }
- end,
- String = function (start, quote, str, finish)
- return {
- type = 'string',
- start = start,
- finish = finish - 1,
- [1] = str,
- [2] = quote,
- }
- end,
- LongString = function (beforeEq, afterEq, str, missPos)
- if missPos then
- local endSymbol = ']' .. ('='):rep(afterEq-beforeEq) .. ']'
- local s, _, w = str:find('(%][%=]*%])[%c%s]*$')
- if s then
- PushError {
- type = 'ERR_LSTRING_END',
- start = missPos - #str + s - 1,
- finish = missPos - #str + s + #w - 2,
- info = {
- symbol = endSymbol,
- },
- fix = {
- title = 'FIX_LSTRING_END',
- {
- start = missPos - #str + s - 1,
- finish = missPos - #str + s + #w - 2,
- text = endSymbol,
- }
- },
- }
- end
- PushError {
- type = 'MISS_SYMBOL',
- start = missPos,
- finish = missPos,
- info = {
- symbol = endSymbol,
- },
- fix = {
- title = 'ADD_LSTRING_END',
- {
- start = missPos,
- finish = missPos,
- text = endSymbol,
- }
- },
- }
- end
- return '[' .. ('='):rep(afterEq-beforeEq) .. '[', str
- end,
- Char10 = function (char)
- char = tonumber(char)
- if not char or char < 0 or char > 255 then
- return ''
- end
- return stringChar(char)
- end,
- Char16 = function (pos, char)
- if State.version == 'Lua 5.1' then
- PushError {
- type = 'ERR_ESC',
- start = pos-1,
- finish = pos,
- version = {'Lua 5.2', 'Lua 5.3', 'Lua 5.4', 'LuaJIT'},
- info = {
- version = State.version,
- }
- }
- return char
- end
- return stringChar(tonumber(char, 16))
- end,
- CharUtf8 = function (pos, char)
- if State.version ~= 'Lua 5.3'
- and State.version ~= 'Lua 5.4'
- and State.version ~= 'LuaJIT'
- then
- PushError {
- type = 'ERR_ESC',
- start = pos-3,
- finish = pos-2,
- version = {'Lua 5.3', 'Lua 5.4', 'LuaJIT'},
- info = {
- version = State.version,
- }
- }
- return char
- end
- if #char == 0 then
- PushError {
- type = 'UTF8_SMALL',
- start = pos-3,
- finish = pos,
- }
- return ''
- end
- local v = tonumber(char, 16)
- if not v then
- for i = 1, #char do
- if not tonumber(char:sub(i, i), 16) then
- PushError {
- type = 'MUST_X16',
- start = pos + i - 1,
- finish = pos + i - 1,
- }
- end
- end
- return ''
- end
- if State.version == 'Lua 5.4' then
- if v < 0 or v > 0x7FFFFFFF then
- PushError {
- type = 'UTF8_MAX',
- start = pos-3,
- finish = pos+#char,
- info = {
- min = '00000000',
- max = '7FFFFFFF',
- }
- }
- end
- else
- if v < 0 or v > 0x10FFFF then
- PushError {
- type = 'UTF8_MAX',
- start = pos-3,
- finish = pos+#char,
- version = v <= 0x7FFFFFFF and 'Lua 5.4' or nil,
- info = {
- min = '000000',
- max = '10FFFF',
- }
- }
- end
- end
- if v >= 0 and v <= 0x10FFFF then
- return utf8Char(v)
- end
- return ''
- end,
- Number = function (start, number, finish)
- local n = tonumber(number)
- if n then
- State.LastNumber = {
- type = 'number',
- start = start,
- finish = finish - 1,
- [1] = n,
- }
- return State.LastNumber
- else
- PushError {
- type = 'MALFORMED_NUMBER',
- start = start,
- finish = finish - 1,
- }
- State.LastNumber = {
- type = 'number',
- start = start,
- finish = finish - 1,
- [1] = 0,
- }
- return State.LastNumber
- end
- end,
- FFINumber = function (start, symbol)
- local lastNumber = State.LastNumber
- if mathType(lastNumber[1]) == 'float' then
- PushError {
- type = 'UNKNOWN_SYMBOL',
- start = start,
- finish = start + #symbol - 1,
- info = {
- symbol = symbol,
- }
- }
- lastNumber[1] = 0
- return
- end
- if State.version ~= 'LuaJIT' then
- PushError {
- type = 'UNSUPPORT_SYMBOL',
- start = start,
- finish = start + #symbol - 1,
- version = 'LuaJIT',
- info = {
- version = State.version,
- }
- }
- lastNumber[1] = 0
- end
- end,
- ImaginaryNumber = function (start, symbol)
- local lastNumber = State.LastNumber
- if State.version ~= 'LuaJIT' then
- PushError {
- type = 'UNSUPPORT_SYMBOL',
- start = start,
- finish = start + #symbol - 1,
- version = 'LuaJIT',
- info = {
- version = State.version,
- }
- }
- end
- lastNumber[1] = 0
- end,
- Name = function (start, str, finish)
- local isKeyWord
- if RESERVED[str] then
- isKeyWord = true
- elseif str == 'goto' then
- if State.version ~= 'Lua 5.1' and State.version ~= 'LuaJIT' then
- isKeyWord = true
- end
- end
- if isKeyWord then
- PushError {
- type = 'KEYWORD',
- start = start,
- finish = finish - 1,
- }
- end
- return {
- type = 'name',
- start = start,
- finish = finish - 1,
- [1] = str,
- }
- end,
- GetField = function (dot, field)
- local obj = {
- type = 'getfield',
- field = field,
- dot = dot,
- start = dot.start,
- finish = (field or dot).finish,
- }
- if field then
- field.type = 'field'
- field.parent = obj
- end
- return obj
- end,
- GetIndex = function (start, index, finish)
- local obj = {
- type = 'getindex',
- start = start,
- finish = finish - 1,
- index = index,
- }
- if index then
- index.parent = obj
- end
- return obj
- end,
- GetMethod = function (colon, method)
- local obj = {
- type = 'getmethod',
- method = method,
- colon = colon,
- start = colon.start,
- finish = (method or colon).finish,
- }
- if method then
- method.type = 'method'
- method.parent = obj
- end
- return obj
- end,
- Single = function (unit)
- unit.type = 'getname'
- return unit
- end,
- Simple = function (units)
- local last = units[1]
- for i = 2, #units do
- local current = units[i]
- current.node = last
- current.start = last.start
- last.next = current
- last = units[i]
- end
- return last
- end,
- SimpleCall = function (call)
- if call.type ~= 'call' and call.type ~= 'getmethod' then
- PushError {
- type = 'EXP_IN_ACTION',
- start = call.start,
- finish = call.finish,
- }
- end
- return call
- end,
- BinaryOp = function (start, op)
- return {
- type = op,
- start = start,
- finish = start + #op - 1,
- }
- end,
- UnaryOp = function (start, op)
- return {
- type = op,
- start = start,
- finish = start + #op - 1,
- }
- end,
- Unary = function (first, ...)
- if not ... then
- return nil
- end
- local list = {first, ...}
- local e = list[#list]
- for i = #list - 1, 1, -1 do
- local op = list[i]
- checkOpVersion(op)
- e = {
- type = 'unary',
- op = op,
- start = op.start,
- finish = e.finish,
- [1] = e,
- }
- end
- return e
- end,
- SubBinary = function (op, symb)
- if symb then
- return op, symb
- end
- PushError {
- type = 'MISS_EXP',
- start = op.start,
- finish = op.finish,
- }
- end,
- Binary = function (first, op, second, ...)
- if not first then
- return second
- end
- if not op then
- return first
- end
- if not ... then
- checkOpVersion(op)
- return {
- type = 'binary',
- op = op,
- start = first.start,
- finish = second.finish,
- [1] = first,
- [2] = second,
- }
- end
- local list = {first, op, second, ...}
- local ops = {}
- for i = 2, #list, 2 do
- ops[#ops+1] = i
- end
- tableSort(ops, function (a, b)
- local op1 = list[a]
- local op2 = list[b]
- local lv1 = BinaryLevel[op1.type]
- local lv2 = BinaryLevel[op2.type]
- if lv1 == lv2 then
- local forward = BinaryForward[lv1]
- if forward then
- return op1.start > op2.start
- else
- return op1.start < op2.start
- end
- else
- return lv1 < lv2
- end
- end)
- local final
- for i = #ops, 1, -1 do
- local n = ops[i]
- local op = list[n]
- local left = list[n-1]
- local right = list[n+1]
- local exp = {
- type = 'binary',
- op = op,
- start = left.start,
- finish = right and right.finish or op.finish,
- [1] = left,
- [2] = right,
- }
- local leftIndex, rightIndex
- if list[left] then
- leftIndex = list[left[1]]
- else
- leftIndex = n - 1
- end
- if list[right] then
- rightIndex = list[right[2]]
- else
- rightIndex = n + 1
- end
-
- list[leftIndex] = exp
- list[rightIndex] = exp
- list[left] = leftIndex
- list[right] = rightIndex
- list[exp] = n
- final = exp
-
- checkOpVersion(op)
- end
- return final
- end,
- Paren = function (start, exp, finish)
- if exp and exp.type == 'paren' then
- exp.start = start
- exp.finish = finish - 1
- return exp
- end
- return {
- type = 'paren',
- start = start,
- finish = finish - 1,
- exp = exp
- }
- end,
- VarArgs = function (dots)
- dots.type = 'varargs'
- return dots
- end,
- PackLoopArgs = function (start, list, finish)
- local list = packList(start, list, finish)
- if #list == 0 then
- PushError {
- type = 'MISS_LOOP_MIN',
- start = finish,
- finish = finish,
- }
- elseif #list == 1 then
- PushError {
- type = 'MISS_LOOP_MAX',
- start = finish,
- finish = finish,
- }
- end
- return list
- end,
- PackInNameList = function (start, list, finish)
- local list = packList(start, list, finish)
- if #list == 0 then
- PushError {
- type = 'MISS_NAME',
- start = start,
- finish = finish,
- }
- end
- return list
- end,
- PackInExpList = function (start, list, finish)
- local list = packList(start, list, finish)
- if #list == 0 then
- PushError {
- type = 'MISS_EXP',
- start = start,
- finish = finish,
- }
- end
- return list
- end,
- PackExpList = function (start, list, finish)
- local list = packList(start, list, finish)
- return list
- end,
- PackNameList = function (start, list, finish)
- local list = packList(start, list, finish)
- return list
- end,
- Call = function (start, args, finish)
- return createCall(args, start, finish-1)
- end,
- COMMA = function (start)
- return {
- type = ',',
- start = start,
- finish = start,
- }
- end,
- SEMICOLON = function (start)
- return {
- type = ';',
- start = start,
- finish = start,
- }
- end,
- DOTS = function (start)
- return {
- type = '...',
- start = start,
- finish = start + 2,
- }
- end,
- COLON = function (start)
- return {
- type = ':',
- start = start,
- finish = start,
- }
- end,
- DOT = function (start)
- return {
- type = '.',
- start = start,
- finish = start,
- }
- end,
- Function = function (functionStart, functionFinish, args, actions, endStart, endFinish)
- actions.type = 'function'
- actions.start = functionStart
- actions.finish = endFinish - 1
- actions.args = args
- actions.keyword= {
- functionStart, functionFinish - 1,
- endStart, endFinish - 1,
- }
- checkMissEnd(functionStart)
- return actions
- end,
- NamedFunction = function (functionStart, functionFinish, name, args, actions, endStart, endFinish)
- actions.type = 'function'
- actions.start = functionStart
- actions.finish = endFinish - 1
- actions.args = args
- actions.keyword= {
- functionStart, functionFinish - 1,
- endStart, endFinish - 1,
- }
- checkMissEnd(functionStart)
- if not name then
- return
- end
- if name.type == 'getname' then
- name.type = 'setname'
- name.value = actions
- elseif name.type == 'getfield' then
- name.type = 'setfield'
- name.value = actions
- elseif name.type == 'getmethod' then
- name.type = 'setmethod'
- name.value = actions
- end
- name.range = actions.finish
- name.vstart = functionStart
- return name
- end,
- LocalFunction = function (start, functionStart, functionFinish, name, args, actions, endStart, endFinish)
- actions.type = 'function'
- actions.start = start
- actions.finish = endFinish - 1
- actions.args = args
- actions.keyword= {
- functionStart, functionFinish - 1,
- endStart, endFinish - 1,
- }
- checkMissEnd(start)
-
- if not name then
- return
- end
-
- if name.type ~= 'getname' then
- PushError {
- type = 'UNEXPECT_LFUNC_NAME',
- start = name.start,
- finish = name.finish,
- }
- return
- end
-
- local loc = createLocal(name, name.start, actions)
- loc.localfunction = true
- loc.vstart = functionStart
-
- return loc
- end,
- Table = function (start, tbl, finish)
- tbl.type = 'table'
- tbl.start = start
- tbl.finish = finish - 1
- local wantField = true
- local lastStart = start + 1
- local fieldCount = 0
- for i = 1, #tbl do
- local field = tbl[i]
- if field.type == ',' or field.type == ';' then
- if wantField then
- PushError {
- type = 'MISS_EXP',
- start = lastStart,
- finish = field.start - 1,
- }
- end
- wantField = true
- lastStart = field.finish + 1
- else
- if not wantField then
- PushError {
- type = 'MISS_SEP_IN_TABLE',
- start = lastStart,
- finish = field.start - 1,
- }
- end
- wantField = false
- lastStart = field.finish + 1
- fieldCount = fieldCount + 1
- tbl[fieldCount] = field
- end
- end
- for i = fieldCount + 1, #tbl do
- tbl[i] = nil
- end
- return tbl
- end,
- NewField = function (start, field, value, finish)
- local obj = {
- type = 'tablefield',
- start = start,
- finish = finish-1,
- field = field,
- value = value,
- }
- if field then
- field.type = 'field'
- field.parent = obj
- end
- return obj
- end,
- NewIndex = function (start, index, value, finish)
- local obj = {
- type = 'tableindex',
- start = start,
- finish = finish-1,
- index = index,
- value = value,
- }
- if index then
- index.parent = obj
- end
- return obj
- end,
- FuncArgs = function (start, args, finish)
- args.type = 'funcargs'
- args.start = start
- args.finish = finish - 1
- local lastStart = start + 1
- local wantName = true
- local argCount = 0
- for i = 1, #args do
- local arg = args[i]
- local argAst = arg
- if argAst.type == ',' then
- if wantName then
- PushError {
- type = 'MISS_NAME',
- start = lastStart,
- finish = argAst.start-1,
- }
- end
- wantName = true
- else
- if not wantName then
- PushError {
- type = 'MISS_SYMBOL',
- start = lastStart-1,
- finish = argAst.start-1,
- info = {
- symbol = ',',
- }
- }
- end
- wantName = false
- argCount = argCount + 1
-
- if argAst.type == '...' then
- args[argCount] = arg
- if i < #args then
- local a = args[i+1]
- local b = args[#args]
- PushError {
- type = 'ARGS_AFTER_DOTS',
- start = a.start,
- finish = b.finish,
- }
- end
- break
- else
- args[argCount] = createLocal(arg, arg.start)
- end
- end
- lastStart = argAst.finish + 1
- end
- for i = argCount + 1, #args do
- args[i] = nil
- end
- if wantName and argCount > 0 then
- PushError {
- type = 'MISS_NAME',
- start = lastStart,
- finish = finish - 1,
- }
- end
- return args
- end,
- Set = function (start, keys, values, finish)
- for i = 1, #keys do
- local key = keys[i]
- if key.type == 'getname' then
- key.type = 'setname'
- key.value = getValue(values, i)
- elseif key.type == 'getfield' then
- key.type = 'setfield'
- key.value = getValue(values, i)
- elseif key.type == 'getindex' then
- key.type = 'setindex'
- key.value = getValue(values, i)
- end
- if key.value then
- key.range = key.value.finish
- end
- end
- if values then
- for i = #keys+1, #values do
- local value = values[i]
- PushDiag('redundant-value', {
- start = value.start,
- finish = value.finish,
- max = #keys,
- passed = #values,
- })
- end
- end
- return tableUnpack(keys)
- end,
- LocalAttr = function (attrs)
- for i = 1, #attrs do
- local attr = attrs[i]
- local attrAst = attr
- attrAst.type = 'localattr'
- if State.version ~= 'Lua 5.4' then
- PushError {
- type = 'UNSUPPORT_SYMBOL',
- start = attrAst.start,
- finish = attrAst.finish,
- version = 'Lua 5.4',
- info = {
- version = State.version,
- }
- }
- elseif attrAst[1] ~= 'const' and attrAst[1] ~= 'close' then
- PushError {
- type = 'UNKNOWN_TAG',
- start = attrAst.start,
- finish = attrAst.finish,
- info = {
- tag = attrAst[1],
- }
- }
- elseif i > 1 then
- PushError {
- type = 'MULTI_TAG',
- start = attrAst.start,
- finish = attrAst.finish,
- info = {
- tag = attrAst[1],
- }
- }
- end
- end
- return attrs
- end,
- LocalName = function (name, attrs)
- if not name then
- return name
- end
- name.attrs = attrs
- return name
- end,
- Local = function (start, keys, values, finish)
- for i = 1, #keys do
- local key = keys[i]
- local attrs = key.attrs
- key.attrs = nil
- local value = getValue(values, i)
- createLocal(key, finish, value, attrs)
- end
- if values then
- for i = #keys+1, #values do
- local value = values[i]
- PushDiag('redundant-value', {
- start = value.start,
- finish = value.finish,
- max = #keys,
- passed = #values,
- })
- end
- end
- return tableUnpack(keys)
- end,
- Do = function (start, actions, endA, endB)
- actions.type = 'do'
- actions.start = start
- actions.finish = endB - 1
- actions.keyword= {
- start, start + #'do' - 1,
- endA , endB - 1,
- }
- checkMissEnd(start)
- return actions
- end,
- Break = function (start, finish)
- return {
- type = 'break',
- start = start,
- finish = finish - 1,
- }
- end,
- Return = function (start, exps, finish)
- exps.type = 'return'
- exps.start = start
- exps.finish = finish - 1
- return exps
- end,
- Label = function (start, name, finish)
- if State.version == 'Lua 5.1' then
- PushError {
- type = 'UNSUPPORT_SYMBOL',
- start = start,
- finish = finish - 1,
- version = {'Lua 5.2', 'Lua 5.3', 'Lua 5.4', 'LuaJIT'},
- info = {
- version = State.version,
- }
- }
- return
- end
- if not name then
- return nil
- end
- name.type = 'label'
- return name
- end,
- GoTo = function (start, name, finish)
- if State.version == 'Lua 5.1' then
- PushError {
- type = 'UNSUPPORT_SYMBOL',
- start = start,
- finish = finish - 1,
- version = {'Lua 5.2', 'Lua 5.3', 'Lua 5.4', 'LuaJIT'},
- info = {
- version = State.version,
- }
- }
- return
- end
- if not name then
- return nil
- end
- name.type = 'goto'
- return name
- end,
- IfBlock = function (ifStart, ifFinish, exp, thenStart, thenFinish, actions, finish)
- actions.type = 'ifblock'
- actions.start = ifStart
- actions.finish = finish - 1
- actions.filter = exp
- actions.keyword= {
- ifStart, ifFinish - 1,
- thenStart, thenFinish - 1,
- }
- return actions
- end,
- ElseIfBlock = function (elseifStart, elseifFinish, exp, thenStart, thenFinish, actions, finish)
- actions.type = 'elseifblock'
- actions.start = elseifStart
- actions.finish = finish - 1
- actions.filter = exp
- actions.keyword= {
- elseifStart, elseifFinish - 1,
- thenStart, thenFinish - 1,
- }
- return actions
- end,
- ElseBlock = function (elseStart, elseFinish, actions, finish)
- actions.type = 'elseblock'
- actions.start = elseStart
- actions.finish = finish - 1
- actions.keyword= {
- elseStart, elseFinish - 1,
- }
- return actions
- end,
- If = function (start, blocks, endStart, endFinish)
- blocks.type = 'if'
- blocks.start = start
- blocks.finish = endFinish - 1
- local hasElse
- for i = 1, #blocks do
- local block = blocks[i]
- if i == 1 and block.type ~= 'ifblock' then
- PushError {
- type = 'MISS_SYMBOL',
- start = block.start,
- finish = block.start,
- info = {
- symbol = 'if',
- }
- }
- end
- if hasElse then
- PushError {
- type = 'BLOCK_AFTER_ELSE',
- start = block.start,
- finish = block.finish,
- }
- end
- if block.type == 'elseblock' then
- hasElse = true
- end
- end
- checkMissEnd(start)
- return blocks
- end,
- Loop = function (forA, forB, arg, steps, doA, doB, blockStart, block, endA, endB)
- local loc = createLocal(arg, blockStart, steps[1])
- block.type = 'loop'
- block.start = forA
- block.finish = endB - 1
- block.loc = loc
- block.max = steps[2]
- block.step = steps[3]
- block.keyword= {
- forA, forB - 1,
- doA , doB - 1,
- endA, endB - 1,
- }
- checkMissEnd(forA)
- return block
- end,
- In = function (forA, forB, keys, inA, inB, exp, doA, doB, blockStart, block, endA, endB)
- local func = tableRemove(exp, 1)
- block.type = 'in'
- block.start = forA
- block.finish = endB - 1
- block.keys = keys
- block.keyword= {
- forA, forB - 1,
- inA , inB - 1,
- doA , doB - 1,
- endA, endB - 1,
- }
-
- local values
- if func then
- local call = createCall(exp, func.finish + 1, exp.finish)
- call.node = func
- call.start = func.start
- func.next = call
- values = { call }
- keys.range = call.finish
- end
- for i = 1, #keys do
- local loc = keys[i]
- if values then
- createLocal(loc, blockStart, getValue(values, i))
- else
- createLocal(loc, blockStart)
- end
- end
- checkMissEnd(forA)
- return block
- end,
- While = function (whileA, whileB, filter, doA, doB, block, endA, endB)
- block.type = 'while'
- block.start = whileA
- block.finish = endB - 1
- block.filter = filter
- block.keyword= {
- whileA, whileB - 1,
- doA , doB - 1,
- endA , endB - 1,
- }
- checkMissEnd(whileA)
- return block
- end,
- Repeat = function (repeatA, repeatB, block, untilA, untilB, filter, finish)
- block.type = 'repeat'
- block.start = repeatA
- block.finish = finish
- block.filter = filter
- block.keyword= {
- repeatA, repeatB - 1,
- untilA , untilB - 1,
- }
- return block
- end,
- Lua = function (start, actions, finish)
- actions.type = 'main'
- actions.start = start
- actions.finish = finish - 1
- return actions
- end,
-
- -- 捕获错误
- UnknownSymbol = function (start, symbol)
- PushError {
- type = 'UNKNOWN_SYMBOL',
- start = start,
- finish = start + #symbol - 1,
- info = {
- symbol = symbol,
- }
- }
- return
- end,
- UnknownAction = function (start, symbol)
- PushError {
- type = 'UNKNOWN_SYMBOL',
- start = start,
- finish = start + #symbol - 1,
- info = {
- symbol = symbol,
- }
- }
- end,
- DirtyName = function (pos)
- PushError {
- type = 'MISS_NAME',
- start = pos,
- finish = pos,
- }
- return nil
- end,
- DirtyExp = function (pos)
- PushError {
- type = 'MISS_EXP',
- start = pos,
- finish = pos,
- }
- return nil
- end,
- MissExp = function (pos)
- PushError {
- type = 'MISS_EXP',
- start = pos,
- finish = pos,
- }
- end,
- MissExponent = function (start, finish)
- PushError {
- type = 'MISS_EXPONENT',
- start = start,
- finish = finish - 1,
- }
- end,
- MissQuote1 = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = '"'
- }
- }
- end,
- MissQuote2 = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = "'"
- }
- }
- end,
- MissEscX = function (pos)
- PushError {
- type = 'MISS_ESC_X',
- start = pos-2,
- finish = pos+1,
- }
- end,
- MissTL = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = '{',
- }
- }
- end,
- MissTR = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = '}',
- }
- }
- end,
- MissBR = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = ']',
- }
- }
- end,
- MissPL = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = '(',
- }
- }
- end,
- MissPR = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = ')',
- }
- }
- end,
- ErrEsc = function (pos)
- PushError {
- type = 'ERR_ESC',
- start = pos-1,
- finish = pos,
- }
- end,
- MustX16 = function (pos, str)
- PushError {
- type = 'MUST_X16',
- start = pos,
- finish = pos + #str - 1,
- }
- end,
- MissAssign = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = '=',
- }
- }
- end,
- MissTableSep = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = ','
- }
- }
- end,
- MissField = function (pos)
- PushError {
- type = 'MISS_FIELD',
- start = pos,
- finish = pos,
- }
- end,
- MissMethod = function (pos)
- PushError {
- type = 'MISS_METHOD',
- start = pos,
- finish = pos,
- }
- end,
- MissLabel = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = '::',
- }
- }
- end,
- MissEnd = function (pos)
- State.MissEndErr = PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = 'end',
- }
- }
- return pos, pos
- end,
- MissDo = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = 'do',
- }
- }
- return pos, pos
- end,
- MissComma = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = ',',
- }
- }
- end,
- MissIn = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = 'in',
- }
- }
- return pos, pos
- end,
- MissUntil = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = 'until',
- }
- }
- return pos, pos
- end,
- MissThen = function (pos)
- PushError {
- type = 'MISS_SYMBOL',
- start = pos,
- finish = pos,
- info = {
- symbol = 'then',
- }
- }
- return pos, pos
- end,
- MissName = function (pos)
- PushError {
- type = 'MISS_NAME',
- start = pos,
- finish = pos,
- }
- end,
- ExpInAction = function (start, exp, finish)
- PushError {
- type = 'EXP_IN_ACTION',
- start = start,
- finish = finish - 1,
- }
- return exp
- end,
- MissIf = function (start, block)
- PushError {
- type = 'MISS_SYMBOL',
- start = start,
- finish = start,
- info = {
- symbol = 'if',
- }
- }
- return block
- end,
- MissGT = function (start)
- PushError {
- type = 'MISS_SYMBOL',
- start = start,
- finish = start,
- info = {
- symbol = '>'
- }
- }
- end,
- ErrAssign = function (start, finish)
- PushError {
- type = 'ERR_ASSIGN_AS_EQ',
- start = start,
- finish = finish - 1,
- fix = {
- title = 'FIX_ASSIGN_AS_EQ',
- {
- start = start,
- finish = finish - 1,
- text = '=',
- }
- }
- }
- end,
- ErrEQ = function (start, finish)
- PushError {
- type = 'ERR_EQ_AS_ASSIGN',
- start = start,
- finish = finish - 1,
- fix = {
- title = 'FIX_EQ_AS_ASSIGN',
- {
- start = start,
- finish = finish - 1,
- text = '==',
- }
- }
- }
- return '=='
- end,
- ErrUEQ = function (start, finish)
- PushError {
- type = 'ERR_UEQ',
- start = start,
- finish = finish - 1,
- fix = {
- title = 'FIX_UEQ',
- {
- start = start,
- finish = finish - 1,
- text = '~=',
- }
- }
- }
- return '=='
- end,
- ErrThen = function (start, finish)
- PushError {
- type = 'ERR_THEN_AS_DO',
- start = start,
- finish = finish - 1,
- fix = {
- title = 'FIX_THEN_AS_DO',
- {
- start = start,
- finish = finish - 1,
- text = 'then',
- }
- }
- }
- return start, finish
- end,
- ErrDo = function (start, finish)
- PushError {
- type = 'ERR_DO_AS_THEN',
- start = start,
- finish = finish - 1,
- fix = {
- title = 'FIX_DO_AS_THEN',
- {
- start = start,
- finish = finish - 1,
- text = 'do',
- }
- }
- }
- return start, finish
- end,
-}
-
---for k, v in pairs(emmy.ast) do
--- Defs[k] = v
---end
-
-local function init(state)
- State = state
- PushError = state.pushError
- PushDiag = state.pushDiag
- emmy.init(State)
-end
-
-local function close()
- State = nil
- PushError = nil
- PushDiag = nil
-end
-
-return {
- defs = Defs,
- init = init,
- close = close,
-}
diff --git a/server-beta/src/parser/calcline.lua b/server-beta/src/parser/calcline.lua
deleted file mode 100644
index 26f475d9..00000000
--- a/server-beta/src/parser/calcline.lua
+++ /dev/null
@@ -1,93 +0,0 @@
-local m = require 'lpeglabel'
-
-local row
-local fl
-local NL = (m.P'\r\n' + m.S'\r\n') * m.Cp() / function (pos)
- row = row + 1
- fl = pos
-end
-local ROWCOL = (NL + m.P(1))^0
-local function rowcol(str, n)
- row = 1
- fl = 1
- ROWCOL:match(str:sub(1, n))
- local col = n - fl + 1
- return row, col
-end
-
-local function rowcol_utf8(str, n)
- row = 1
- fl = 1
- ROWCOL:match(str:sub(1, n))
- return row, utf8.len(str, fl, n)
-end
-
-local function position(str, _row, _col)
- local cur = 1
- local row = 1
- while true do
- if row == _row then
- return cur + _col - 1
- elseif row > _row then
- return cur - 1
- end
- local pos = str:find('[\r\n]', cur)
- if not pos then
- return #str
- end
- row = row + 1
- if str:sub(pos, pos+1) == '\r\n' then
- cur = pos + 2
- else
- cur = pos + 1
- end
- end
-end
-
-local function position_utf8(str, _row, _col)
- local cur = 1
- local row = 1
- while true do
- if row == _row then
- return utf8.offset(str, _col, cur)
- elseif row > _row then
- return cur - 1
- end
- local pos = str:find('[\r\n]', cur)
- if not pos then
- return #str
- end
- row = row + 1
- if str:sub(pos, pos+1) == '\r\n' then
- cur = pos + 2
- else
- cur = pos + 1
- end
- end
-end
-
-local NL = m.P'\r\n' + m.S'\r\n'
-
-local function line(str, row)
- local count = 0
- local res
- local LINE = m.Cmt((1 - NL)^0, function (_, _, c)
- count = count + 1
- if count == row then
- res = c
- return false
- end
- return true
- end)
- local MATCH = (LINE * NL)^0 * LINE
- MATCH:match(str)
- return res
-end
-
-return {
- rowcol = rowcol,
- rowcol_utf8 = rowcol_utf8,
- position = position,
- position_utf8 = position_utf8,
- line = line,
-}
diff --git a/server-beta/src/parser/compile.lua b/server-beta/src/parser/compile.lua
deleted file mode 100644
index bcd9ecc8..00000000
--- a/server-beta/src/parser/compile.lua
+++ /dev/null
@@ -1,549 +0,0 @@
-local guide = require 'parser.guide'
-local type = type
-
-local specials = {
- ['_G'] = true,
- ['rawset'] = true,
- ['rawget'] = true,
- ['setmetatable'] = true,
- ['require'] = true,
- ['dofile'] = true,
- ['loadfile'] = true,
- ['pcall'] = true,
- ['xpcall'] = true,
-}
-
-_ENV = nil
-
-local LocalLimit = 200
-local pushError, Compile, CompileBlock, Block, GoToTag, ENVMode, Compiled, LocalCount, Version, Root
-
-local function addRef(node, obj)
- if not node.ref then
- node.ref = {}
- end
- node.ref[#node.ref+1] = obj
- obj.node = node
-end
-
-local function addSpecial(name, obj)
- if not Root.specials then
- Root.specials = {}
- end
- if not Root.specials[name] then
- Root.specials[name] = {}
- end
- Root.specials[name][#Root.specials[name]+1] = obj
- obj.special = name
-end
-
-local vmMap = {
- ['getname'] = function (obj)
- local loc = guide.getLocal(obj, obj[1], obj.start)
- if loc then
- obj.type = 'getlocal'
- obj.loc = loc
- addRef(loc, obj)
- if loc.special then
- addSpecial(loc.special, obj)
- end
- else
- obj.type = 'getglobal'
- if ENVMode == '_ENV' then
- local node = guide.getLocal(obj, '_ENV', obj.start)
- if node then
- addRef(node, obj)
- end
- end
- local name = obj[1]
- if specials[name] then
- addSpecial(name, obj)
- end
- end
- return obj
- end,
- ['getfield'] = function (obj)
- Compile(obj.node, obj)
- end,
- ['call'] = function (obj)
- Compile(obj.node, obj)
- Compile(obj.args, obj)
- end,
- ['callargs'] = function (obj)
- for i = 1, #obj do
- Compile(obj[i], obj)
- end
- end,
- ['binary'] = function (obj)
- Compile(obj[1], obj)
- Compile(obj[2], obj)
- end,
- ['unary'] = function (obj)
- Compile(obj[1], obj)
- end,
- ['varargs'] = function (obj)
- local func = guide.getParentFunction(obj)
- if func then
- local index, vararg = guide.getFunctionVarArgs(func)
- if not index then
- pushError {
- type = 'UNEXPECT_DOTS',
- start = obj.start,
- finish = obj.finish,
- }
- end
- if vararg then
- if not vararg.ref then
- vararg.ref = {}
- end
- vararg.ref[#vararg.ref+1] = obj
- end
- end
- end,
- ['paren'] = function (obj)
- Compile(obj.exp, obj)
- end,
- ['getindex'] = function (obj)
- Compile(obj.node, obj)
- Compile(obj.index, obj)
- end,
- ['setindex'] = function (obj)
- Compile(obj.node, obj)
- Compile(obj.index, obj)
- Compile(obj.value, obj)
- end,
- ['getmethod'] = function (obj)
- Compile(obj.node, obj)
- Compile(obj.method, obj)
- end,
- ['setmethod'] = function (obj)
- Compile(obj.node, obj)
- Compile(obj.method, obj)
- local value = obj.value
- value.localself = {
- type = 'local',
- start = 0,
- finish = 0,
- method = obj,
- effect = obj.finish,
- tag = 'self',
- [1] = 'self',
- }
- Compile(value, obj)
- end,
- ['function'] = function (obj)
- local lastBlock = Block
- local LastLocalCount = LocalCount
- Block = obj
- LocalCount = 0
- if obj.localself then
- Compile(obj.localself, obj)
- obj.localself = nil
- end
- Compile(obj.args, obj)
- for i = 1, #obj do
- Compile(obj[i], obj)
- end
- Block = lastBlock
- LocalCount = LastLocalCount
- end,
- ['funcargs'] = function (obj)
- for i = 1, #obj do
- Compile(obj[i], obj)
- end
- end,
- ['table'] = function (obj)
- for i = 1, #obj do
- Compile(obj[i], obj)
- end
- end,
- ['tablefield'] = function (obj)
- Compile(obj.value, obj)
- end,
- ['tableindex'] = function (obj)
- Compile(obj.index, obj)
- Compile(obj.value, obj)
- end,
- ['index'] = function (obj)
- Compile(obj.index, obj)
- end,
- ['select'] = function (obj)
- local vararg = obj.vararg
- if vararg.parent then
- if not vararg.extParent then
- vararg.extParent = {}
- end
- vararg.extParent[#vararg.extParent+1] = obj
- else
- Compile(vararg, obj)
- end
- end,
- ['setname'] = function (obj)
- Compile(obj.value, obj)
- local loc = guide.getLocal(obj, obj[1], obj.start)
- if loc then
- obj.type = 'setlocal'
- obj.loc = loc
- addRef(loc, obj)
- if loc.attrs then
- local const
- for i = 1, #loc.attrs do
- local attr = loc.attrs[i][1]
- if attr == 'const'
- or attr == 'close' then
- const = true
- break
- end
- end
- if const then
- pushError {
- type = 'SET_CONST',
- start = obj.start,
- finish = obj.finish,
- }
- end
- end
- else
- obj.type = 'setglobal'
- if ENVMode == '_ENV' then
- local node = guide.getLocal(obj, '_ENV', obj.start)
- if node then
- addRef(node, obj)
- end
- end
- end
- end,
- ['local'] = function (obj)
- local attrs = obj.attrs
- if attrs then
- for i = 1, #attrs do
- Compile(attrs[i], obj)
- end
- end
- if Block then
- if not Block.locals then
- Block.locals = {}
- end
- Block.locals[#Block.locals+1] = obj
- LocalCount = LocalCount + 1
- if LocalCount > LocalLimit then
- pushError {
- type = 'LOCAL_LIMIT',
- start = obj.start,
- finish = obj.finish,
- }
- end
- end
- if obj.localfunction then
- obj.localfunction = nil
- end
- Compile(obj.value, obj)
- if obj.value and obj.value.special then
- addSpecial(obj.value.special, obj)
- end
- end,
- ['setfield'] = function (obj)
- Compile(obj.node, obj)
- Compile(obj.value, obj)
- end,
- ['do'] = function (obj)
- local lastBlock = Block
- Block = obj
- CompileBlock(obj, obj)
- if Block.locals then
- LocalCount = LocalCount - #Block.locals
- end
- Block = lastBlock
- end,
- ['return'] = function (obj)
- for i = 1, #obj do
- Compile(obj[i], obj)
- end
- if Block and Block[#Block] ~= obj then
- pushError {
- type = 'ACTION_AFTER_RETURN',
- start = obj.start,
- finish = obj.finish,
- }
- end
- local func = guide.getParentFunction(obj)
- if func then
- if not func.returns then
- func.returns = {}
- end
- func.returns[#func.returns+1] = obj
- end
- end,
- ['label'] = function (obj)
- local block = guide.getBlock(obj)
- if block then
- if not block.labels then
- block.labels = {}
- end
- local name = obj[1]
- local label = guide.getLabel(block, name)
- if label then
- if Version == 'Lua 5.4'
- or block == guide.getBlock(label) then
- pushError {
- type = 'REDEFINED_LABEL',
- start = obj.start,
- finish = obj.finish,
- relative = {
- {
- label.start,
- label.finish,
- }
- }
- }
- end
- end
- block.labels[name] = obj
- end
- end,
- ['goto'] = function (obj)
- GoToTag[#GoToTag+1] = obj
- end,
- ['if'] = function (obj)
- for i = 1, #obj do
- Compile(obj[i], obj)
- end
- end,
- ['ifblock'] = function (obj)
- local lastBlock = Block
- Block = obj
- Compile(obj.filter, obj)
- CompileBlock(obj, obj)
- if Block.locals then
- LocalCount = LocalCount - #Block.locals
- end
- Block = lastBlock
- end,
- ['elseifblock'] = function (obj)
- local lastBlock = Block
- Block = obj
- Compile(obj.filter, obj)
- CompileBlock(obj, obj)
- if Block.locals then
- LocalCount = LocalCount - #Block.locals
- end
- Block = lastBlock
- end,
- ['elseblock'] = function (obj)
- local lastBlock = Block
- Block = obj
- CompileBlock(obj, obj)
- if Block.locals then
- LocalCount = LocalCount - #Block.locals
- end
- Block = lastBlock
- end,
- ['loop'] = function (obj)
- local lastBlock = Block
- Block = obj
- Compile(obj.loc, obj)
- Compile(obj.max, obj)
- Compile(obj.step, obj)
- CompileBlock(obj, obj)
- if Block.locals then
- LocalCount = LocalCount - #Block.locals
- end
- Block = lastBlock
- end,
- ['in'] = function (obj)
- local lastBlock = Block
- Block = obj
- local keys = obj.keys
- for i = 1, #keys do
- Compile(keys[i], obj)
- end
- CompileBlock(obj, obj)
- if Block.locals then
- LocalCount = LocalCount - #Block.locals
- end
- Block = lastBlock
- end,
- ['while'] = function (obj)
- local lastBlock = Block
- Block = obj
- Compile(obj.filter, obj)
- CompileBlock(obj, obj)
- if Block.locals then
- LocalCount = LocalCount - #Block.locals
- end
- Block = lastBlock
- end,
- ['repeat'] = function (obj)
- local lastBlock = Block
- Block = obj
- CompileBlock(obj, obj)
- Compile(obj.filter, obj)
- if Block.locals then
- LocalCount = LocalCount - #Block.locals
- end
- Block = lastBlock
- end,
- ['break'] = function (obj)
- local block = guide.getBreakBlock(obj)
- if block then
- if not block.breaks then
- block.breaks = {}
- end
- block.breaks[#block.breaks+1] = obj
- else
- pushError {
- type = 'BREAK_OUTSIDE',
- start = obj.start,
- finish = obj.finish,
- }
- end
- end,
- ['main'] = function (obj)
- Block = obj
- if ENVMode == '_ENV' then
- Compile({
- type = 'local',
- start = 0,
- finish = 0,
- effect = 0,
- tag = '_ENV',
- special= '_G',
- [1] = '_ENV',
- }, obj)
- end
- --- _ENV 是上值,不计入局部变量计数
- LocalCount = 0
- CompileBlock(obj, obj)
- Block = nil
- end,
-}
-
-function CompileBlock(obj, parent)
- for i = 1, #obj do
- local act = obj[i]
- local f = vmMap[act.type]
- if f then
- act.parent = parent
- f(act)
- end
- end
-end
-
-function Compile(obj, parent)
- if not obj then
- return nil
- end
- if Compiled[obj] then
- return
- end
- Compiled[obj] = true
- obj.parent = parent
- local f = vmMap[obj.type]
- if not f then
- return
- end
- f(obj)
-end
-
-local function compileGoTo(obj)
- local name = obj[1]
- local label = guide.getLabel(obj, name)
- if not label then
- pushError {
- type = 'NO_VISIBLE_LABEL',
- start = obj.start,
- finish = obj.finish,
- info = {
- label = name,
- }
- }
- return
- end
- if not label.ref then
- label.ref = {}
- end
- label.ref[#label.ref+1] = obj
-
- -- 如果有局部变量在 goto 与 label 之间声明,
- -- 并在 label 之后使用,则算作语法错误
-
- -- 如果 label 在 goto 之前声明,那么不会有中间声明的局部变量
- if obj.start > label.start then
- return
- end
-
- local block = guide.getBlock(obj)
- local locals = block and block.locals
- if not locals then
- return
- end
-
- for i = 1, #locals do
- local loc = locals[i]
- -- 检查局部变量声明位置为 goto 与 label 之间
- if loc.start < obj.start or loc.finish > label.finish then
- goto CONTINUE
- end
- -- 检查局部变量的使用位置在 label 之后
- local refs = loc.ref
- if not refs then
- goto CONTINUE
- end
- for j = 1, #refs do
- local ref = refs[j]
- if ref.finish > label.finish then
- pushError {
- type = 'JUMP_LOCAL_SCOPE',
- start = obj.start,
- finish = obj.finish,
- info = {
- loc = loc[1],
- },
- relative = {
- {
- start = label.start,
- finish = label.finish,
- },
- {
- start = loc.start,
- finish = loc.finish,
- }
- },
- }
- return
- end
- end
- ::CONTINUE::
- end
-end
-
-local function PostCompile()
- for i = 1, #GoToTag do
- compileGoTo(GoToTag[i])
- end
-end
-
-return function (self, lua, mode, version)
- local state, err = self:parse(lua, mode, version)
- if not state then
- return nil, err
- end
- pushError = state.pushError
- if version == 'Lua 5.1' or version == 'LuaJIT' then
- ENVMode = 'fenv'
- else
- ENVMode = '_ENV'
- end
- Compiled = {}
- GoToTag = {}
- LocalCount = 0
- Version = version
- Root = state.ast
- if type(state.ast) == 'table' then
- Compile(state.ast)
- end
- PostCompile()
- Compiled = nil
- GoToTag = nil
- return state
-end
diff --git a/server-beta/src/parser/emmy.lua b/server-beta/src/parser/emmy.lua
deleted file mode 100644
index 4c1e087a..00000000
--- a/server-beta/src/parser/emmy.lua
+++ /dev/null
@@ -1,321 +0,0 @@
-local State
-local pushError
-
-local grammar = [[
-EmmyLua <- ({} '---' EmmyBody {} ShortComment)
- -> EmmyLua
-EmmySp <- (!'---@' !'---' Comment / %s / %nl)*
-EmmyComments <- (EmmyComment (%nl EmmyComMulti / %nl EmmyComSingle)*)
-EmmyComment <- EmmySp %s* {(!%nl .)*}
-EmmyComMulti <- EmmySp '---|' {} -> en {(!%nl .)*}
-EmmyComSingle <- EmmySp '---' !'@' %s* {} -> ' ' {(!%nl .)*}
-EmmyBody <- '@class' %s+ EmmyClass -> EmmyClass
- / '@type' %s+ EmmyType -> EmmyType
- / '@alias' %s+ EmmyAlias -> EmmyAlias
- / '@param' %s+ EmmyParam -> EmmyParam
- / '@return' %s+ EmmyReturn -> EmmyReturn
- / '@field' %s+ EmmyField -> EmmyField
- / '@generic' %s+ EmmyGeneric -> EmmyGeneric
- / '@vararg' %s+ EmmyVararg -> EmmyVararg
- / '@language' %s+ EmmyLanguage -> EmmyLanguage
- / '@see' %s+ EmmySee -> EmmySee
- / '@overload' %s+ EmmyOverLoad -> EmmyOverLoad
- / %s* EmmyComments -> EmmyComment
- / EmmyIncomplete
-
-EmmyName <- ({} {[a-zA-Z_] [a-zA-Z0-9_]*})
- -> EmmyName
-MustEmmyName <- EmmyName / DirtyEmmyName
-DirtyEmmyName <- {} -> DirtyEmmyName
-EmmyLongName <- ({} {(!%nl .)+})
- -> EmmyName
-EmmyIncomplete <- MustEmmyName
- -> EmmyIncomplete
-
-EmmyClass <- (MustEmmyName EmmyParentClass?)
-EmmyParentClass <- %s* {} ':' %s* MustEmmyName
-
-EmmyType <- EmmyTypeUnits EmmyTypeEnums
-EmmyTypeUnits <- {|
- EmmyTypeUnit?
- (%s* '|' %s* !String EmmyTypeUnit)*
- |}
-EmmyTypeEnums <- {| EmmyTypeEnum* |}
-EmmyTypeUnit <- EmmyFunctionType
- / EmmyTableType
- / EmmyArrayType
- / EmmyCommonType
-EmmyCommonType <- EmmyName
- -> EmmyCommonType
-EmmyTypeEnum <- %s* (%nl %s* '---')? '|'? EmmyEnum
- -> EmmyTypeEnum
-EmmyEnum <- %s* {'>'?} %s* String (EmmyEnumComment / (!%nl !'|' .)*)
-EmmyEnumComment <- %s* '#' %s* {(!%nl .)*}
-
-EmmyAlias <- MustEmmyName %s* EmmyType EmmyTypeEnum*
-
-EmmyParam <- MustEmmyName %s* EmmyType %s* EmmyOption %s* EmmyTypeEnum*
-EmmyOption <- Table?
- -> EmmyOption
-
-EmmyReturn <- {} %nil {} Table -> EmmyOption
- / {} EmmyType {} EmmyOption
-
-EmmyField <- (EmmyFieldAccess MustEmmyName %s* EmmyType)
-EmmyFieldAccess <- ({'public'} Cut %s*)
- / ({'protected'} Cut %s*)
- / ({'private'} Cut %s*)
- / {} -> 'public'
-
-EmmyGeneric <- EmmyGenericBlock
- (%s* ',' %s* EmmyGenericBlock)*
-EmmyGenericBlock<- (MustEmmyName %s* (':' %s* EmmyType)?)
- -> EmmyGenericBlock
-
-EmmyVararg <- EmmyType
-
-EmmyLanguage <- MustEmmyName
-
-EmmyArrayType <- ({} MustEmmyName -> EmmyCommonType {} '[' DirtyBR)
- -> EmmyArrayType
- / ({} PL EmmyCommonType DirtyPR '[' DirtyBR)
- -> EmmyArrayType
-
-EmmyTableType <- ({} 'table' Cut '<' %s* EmmyType %s* ',' %s* EmmyType %s* '>' {})
- -> EmmyTableType
-
-EmmyFunctionType<- ({} 'fun' Cut %s* EmmyFunctionArgs %s* EmmyFunctionRtns {})
- -> EmmyFunctionType
-EmmyFunctionArgs<- ('(' %s* EmmyFunctionArg %s* (',' %s* EmmyFunctionArg %s*)* DirtyPR)
- -> EmmyFunctionArgs
- / '(' %nil DirtyPR -> None
- / %nil
-EmmyFunctionRtns<- (':' %s* EmmyType (%s* ',' %s* EmmyType)*)
- -> EmmyFunctionRtns
- / %nil
-EmmyFunctionArg <- MustEmmyName %s* ':' %s* EmmyType
-
-EmmySee <- {} MustEmmyName %s* '#' %s* MustEmmyName {}
-EmmyOverLoad <- EmmyFunctionType
-]]
-
-local ast = {
- EmmyLua = function (start, emmy, finish)
- emmy.start = start
- emmy.finish = finish - 1
- State.emmy[#State.emmy+1] = emmy
- end,
- EmmyName = function (start, str)
- return {
- type = 'name',
- start = start,
- finish = start + #str - 1,
- [1] = str,
- }
- end,
- DirtyEmmyName = function (pos)
- pushError {
- type = 'MISS_NAME',
- level = 'warning',
- start = pos,
- finish = pos,
- }
- return {
- type = 'emmyName',
- start = pos-1,
- finish = pos-1,
- [1] = ''
- }
- end,
- EmmyClass = function (class, startPos, extends)
- if extends and extends[1] == '' then
- extends.start = startPos
- end
- return {
- type = 'class',
- class = class,
- extends = extends,
- }
- end,
- EmmyType = function (types, enums)
- local result = {
- type = 'type',
- types = types,
- enums = enums,
- }
- return result
- end,
- EmmyCommonType = function (name)
- return {
- type = 'common',
- start = name.start,
- finish = name.finish,
- name = name,
- }
- end,
- EmmyArrayType = function (start, emmy, _, finish)
- emmy.type = 'emmyArrayType'
- emmy.start = start
- emmy.finish = finish - 1
- return emmy
- end,
- EmmyTableType = function (start, keyType, valueType, finish)
- return {
- type = 'emmyTableType',
- start = start,
- finish = finish - 1,
- [1] = keyType,
- [2] = valueType,
- }
- end,
- EmmyFunctionType = function (start, args, returns, finish)
- local result = {
- start = start,
- finish = finish - 1,
- type = 'emmyFunctionType',
- args = args,
- returns = returns,
- }
- return result
- end,
- EmmyFunctionRtns = function (...)
- return {...}
- end,
- EmmyFunctionArgs = function (...)
- local args = {...}
- args[#args] = nil
- return args
- end,
- EmmyAlias = function (name, emmyName, ...)
- return {
- type = 'emmyAlias',
- start = name.start,
- finish = emmyName.finish,
- name,
- emmyName,
- ...
- }
- end,
- EmmyParam = function (argName, emmyName, option, ...)
- local emmy = {
- type = 'emmyParam',
- option = option,
- argName,
- emmyName,
- ...
- }
- emmy.start = emmy[1].start
- emmy.finish = emmy[#emmy].finish
- return emmy
- end,
- EmmyReturn = function (start, type, finish, option)
- local emmy = {
- type = 'emmyReturn',
- option = option,
- start = start,
- finish = finish - 1,
- [1] = type,
- }
- return emmy
- end,
- EmmyField = function (access, fieldName, ...)
- local obj = {
- type = 'emmyField',
- access, fieldName,
- ...
- }
- obj.start = obj[2].start
- obj.finish = obj[3].finish
- return obj
- end,
- EmmyGenericBlock = function (genericName, parentName)
- return {
- start = genericName.start,
- finish = parentName and parentName.finish or genericName.finish,
- genericName,
- parentName,
- }
- end,
- EmmyGeneric = function (...)
- local emmy = {
- type = 'emmyGeneric',
- ...
- }
- emmy.start = emmy[1].start
- emmy.finish = emmy[#emmy].finish
- return emmy
- end,
- EmmyVararg = function (typeName)
- return {
- type = 'emmyVararg',
- start = typeName.start,
- finish = typeName.finish,
- typeName,
- }
- end,
- EmmyLanguage = function (language)
- return {
- type = 'emmyLanguage',
- start = language.start,
- finish = language.finish,
- language,
- }
- end,
- EmmySee = function (start, className, methodName, finish)
- return {
- type = 'emmySee',
- start = start,
- finish = finish - 1,
- className, methodName
- }
- end,
- EmmyOverLoad = function (EmmyFunctionType)
- EmmyFunctionType.type = 'emmyOverLoad'
- return EmmyFunctionType
- end,
- EmmyIncomplete = function (emmyName)
- emmyName.type = 'emmyIncomplete'
- return emmyName
- end,
- EmmyComment = function (...)
- return {
- type = 'emmyComment',
- [1] = table.concat({...}),
- }
- end,
- EmmyOption = function (options)
- if not options or options == '' then
- return nil
- end
- local option = {}
- for _, pair in ipairs(options) do
- if pair.type == 'pair' then
- local key = pair[1]
- local value = pair[2]
- if key.type == 'name' then
- option[key[1]] = value[1]
- end
- end
- end
- return option
- end,
- EmmyTypeEnum = function (default, enum, comment)
- enum.type = 'enum'
- if default ~= '' then
- enum.default = true
- end
- enum.comment = comment
- return enum
- end,
-}
-
-local function init(state)
- State = state
- pushError = state.pushError
-end
-
-return {
- grammar = grammar,
- ast = ast,
- init = init,
-}
diff --git a/server-beta/src/parser/grammar.lua b/server-beta/src/parser/grammar.lua
deleted file mode 100644
index fd699bd4..00000000
--- a/server-beta/src/parser/grammar.lua
+++ /dev/null
@@ -1,537 +0,0 @@
-local re = require 'parser.relabel'
-local m = require 'lpeglabel'
-local emmy = require 'parser.emmy'
-local ast = require 'parser.ast'
-
-local scriptBuf = ''
-local compiled = {}
-local defs = ast.defs
-
--- goto 可以作为名字,合法性之后处理
-local RESERVED = {
- ['and'] = true,
- ['break'] = true,
- ['do'] = true,
- ['else'] = true,
- ['elseif'] = true,
- ['end'] = true,
- ['false'] = true,
- ['for'] = true,
- ['function'] = true,
- ['if'] = true,
- ['in'] = true,
- ['local'] = true,
- ['nil'] = true,
- ['not'] = true,
- ['or'] = true,
- ['repeat'] = true,
- ['return'] = true,
- ['then'] = true,
- ['true'] = true,
- ['until'] = true,
- ['while'] = true,
-}
-
-defs.nl = (m.P'\r\n' + m.S'\r\n')
-defs.s = m.S' \t'
-defs.S = - defs.s
-defs.ea = '\a'
-defs.eb = '\b'
-defs.ef = '\f'
-defs.en = '\n'
-defs.er = '\r'
-defs.et = '\t'
-defs.ev = '\v'
-defs['nil'] = m.Cp() / function () return nil end
-defs['false'] = m.Cp() / function () return false end
-defs.NotReserved = function (_, _, str)
- if RESERVED[str] then
- return false
- end
- return true
-end
-defs.Reserved = function (_, _, str)
- if RESERVED[str] then
- return true
- end
- return false
-end
-defs.None = function () end
-defs.np = m.Cp() / function (n) return n+1 end
-
-m.setmaxstack(1000)
-
-local eof = re.compile '!. / %{SYNTAX_ERROR}'
-
-local function grammar(tag)
- return function (script)
- scriptBuf = script .. '\r\n' .. scriptBuf
- compiled[tag] = re.compile(scriptBuf, defs) * eof
- end
-end
-
-local function errorpos(pos, err)
- return {
- type = 'UNKNOWN',
- start = pos or 0,
- finish = pos or 0,
- err = err,
- }
-end
-
-grammar 'Comment' [[
-Comment <- LongComment
- / '--' ShortComment
-LongComment <- ('--[' {} {:eq: '='* :} {} '['
- {(!CommentClose .)*}
- (CommentClose / {}))
- -> LongComment
- / (
- {} '/*' {}
- (!'*/' .)*
- {} '*/' {}
- )
- -> CLongComment
-CommentClose <- ']' =eq ']'
-ShortComment <- (!%nl .)*
-]]
-
-grammar 'Sp' [[
-Sp <- (EmmyLua / Comment / %nl / %s)*
-Sps <- (EmmyLua / Comment / %nl / %s)+
-
--- 占位
-EmmyLua <- !. .
-]]
-
-grammar 'Common' [[
-Word <- [a-zA-Z0-9_]
-Cut <- !Word
-X16 <- [a-fA-F0-9]
-Rest <- (!%nl .)*
-
-AND <- Sp {'and'} Cut
-BREAK <- Sp 'break' Cut
-FALSE <- Sp 'false' Cut
-GOTO <- Sp 'goto' Cut
-LOCAL <- Sp 'local' Cut
-NIL <- Sp 'nil' Cut
-NOT <- Sp 'not' Cut
-OR <- Sp {'or'} Cut
-RETURN <- Sp 'return' Cut
-TRUE <- Sp 'true' Cut
-
-DO <- Sp {} 'do' {} Cut
- / Sp({} 'then' {} Cut) -> ErrDo
-IF <- Sp {} 'if' {} Cut
-ELSE <- Sp {} 'else' {} Cut
-ELSEIF <- Sp {} 'elseif' {} Cut
-END <- Sp {} 'end' {} Cut
-FOR <- Sp {} 'for' {} Cut
-FUNCTION <- Sp {} 'function' {} Cut
-IN <- Sp {} 'in' {} Cut
-REPEAT <- Sp {} 'repeat' {} Cut
-THEN <- Sp {} 'then' {} Cut
- / Sp({} 'do' {} Cut) -> ErrThen
-UNTIL <- Sp {} 'until' {} Cut
-WHILE <- Sp {} 'while' {} Cut
-
-
-Esc <- '\' -> ''
- EChar
-EChar <- 'a' -> ea
- / 'b' -> eb
- / 'f' -> ef
- / 'n' -> en
- / 'r' -> er
- / 't' -> et
- / 'v' -> ev
- / '\'
- / '"'
- / "'"
- / %nl
- / ('z' (%nl / %s)*) -> ''
- / ({} 'x' {X16 X16}) -> Char16
- / ([0-9] [0-9]? [0-9]?) -> Char10
- / ('u{' {} {Word*} '}') -> CharUtf8
- -- 错误处理
- / 'x' {} -> MissEscX
- / 'u' !'{' {} -> MissTL
- / 'u{' Word* !'}' {} -> MissTR
- / {} -> ErrEsc
-
-BOR <- Sp {'|'}
-BXOR <- Sp {'~'} !'='
-BAND <- Sp {'&'}
-Bshift <- Sp {BshiftList}
-BshiftList <- '<<'
- / '>>'
-Concat <- Sp {'..'}
-Adds <- Sp {AddsList}
-AddsList <- '+'
- / '-'
-Muls <- Sp {MulsList}
-MulsList <- '*'
- / '//'
- / '/'
- / '%'
-Unary <- Sp {} {UnaryList}
-UnaryList <- NOT
- / '#'
- / '-'
- / '~' !'='
-POWER <- Sp {'^'}
-
-BinaryOp <-( Sp {} {'or'} Cut
- / Sp {} {'and'} Cut
- / Sp {} {'<=' / '>=' / '<'!'<' / '>'!'>' / '~=' / '=='}
- / Sp {} ({} '=' {}) -> ErrEQ
- / Sp {} ({} '!=' {}) -> ErrUEQ
- / Sp {} {'|'}
- / Sp {} {'~'}
- / Sp {} {'&'}
- / Sp {} {'<<' / '>>'}
- / Sp {} {'..'} !'.'
- / Sp {} {'+' / '-'}
- / Sp {} {'*' / '//' / '/' / '%'}
- / Sp {} {'^'}
- )-> BinaryOp
-UnaryOp <-( Sp {} {'not' Cut / '#' / '~' !'=' / '-' !'-'}
- )-> UnaryOp
-
-PL <- Sp '('
-PR <- Sp ')'
-BL <- Sp '[' !'[' !'='
-BR <- Sp ']'
-TL <- Sp '{'
-TR <- Sp '}'
-COMMA <- Sp ({} ',')
- -> COMMA
-SEMICOLON <- Sp ({} ';')
- -> SEMICOLON
-DOTS <- Sp ({} '...')
- -> DOTS
-DOT <- Sp ({} '.' !'.')
- -> DOT
-COLON <- Sp ({} ':' !':')
- -> COLON
-LABEL <- Sp '::'
-ASSIGN <- Sp '=' !'='
-AssignOrEQ <- Sp ({} '==' {})
- -> ErrAssign
- / Sp '='
-
-DirtyBR <- BR / {} -> MissBR
-DirtyTR <- TR / {} -> MissTR
-DirtyPR <- PR / {} -> MissPR
-DirtyLabel <- LABEL / {} -> MissLabel
-NeedEnd <- END / {} -> MissEnd
-NeedDo <- DO / {} -> MissDo
-NeedAssign <- ASSIGN / {} -> MissAssign
-NeedComma <- COMMA / {} -> MissComma
-NeedIn <- IN / {} -> MissIn
-NeedUntil <- UNTIL / {} -> MissUntil
-NeedThen <- THEN / {} -> MissThen
-]]
-
-grammar 'Nil' [[
-Nil <- Sp ({} -> Nil) NIL
-]]
-
-grammar 'Boolean' [[
-Boolean <- Sp ({} -> True) TRUE
- / Sp ({} -> False) FALSE
-]]
-
-grammar 'String' [[
-String <- Sp ({} StringDef {})
- -> String
-StringDef <- {'"'}
- {~(Esc / !%nl !'"' .)*~} -> 1
- ('"' / {} -> MissQuote1)
- / {"'"}
- {~(Esc / !%nl !"'" .)*~} -> 1
- ("'" / {} -> MissQuote2)
- / ('[' {} {:eq: '='* :} {} '[' %nl?
- {(!StringClose .)*} -> 1
- (StringClose / {}))
- -> LongString
-StringClose <- ']' =eq ']'
-]]
-
-grammar 'Number' [[
-Number <- Sp ({} {NumberDef} {}) -> Number
- NumberSuffix?
- ErrNumber?
-NumberDef <- Number16 / Number10
-NumberSuffix<- ({} {[uU]? [lL] [lL]}) -> FFINumber
- / ({} {[iI]}) -> ImaginaryNumber
-ErrNumber <- ({} {([0-9a-zA-Z] / '.')+}) -> UnknownSymbol
-
-Number10 <- Float10 Float10Exp?
- / Integer10 Float10? Float10Exp?
-Integer10 <- [0-9]+ ('.' [0-9]*)?
-Float10 <- '.' [0-9]+
-Float10Exp <- [eE] [+-]? [0-9]+
- / ({} [eE] [+-]? {}) -> MissExponent
-
-Number16 <- '0' [xX] Float16 Float16Exp?
- / '0' [xX] Integer16 Float16? Float16Exp?
-Integer16 <- X16+ ('.' X16*)?
- / ({} {Word*}) -> MustX16
-Float16 <- '.' X16+
- / '.' ({} {Word*}) -> MustX16
-Float16Exp <- [pP] [+-]? [0-9]+
- / ({} [pP] [+-]? {}) -> MissExponent
-]]
-
-grammar 'Name' [[
-Name <- Sp ({} NameBody {})
- -> Name
-NameBody <- {[a-zA-Z_] [a-zA-Z0-9_]*}
-FreeName <- Sp ({} {NameBody=>NotReserved} {})
- -> Name
-KeyWord <- Sp NameBody=>Reserved
-MustName <- Name / DirtyName
-DirtyName <- {} -> DirtyName
-]]
-
-grammar 'Exp' [[
-Exp <- (UnUnit BinUnit*)
- -> Binary
-BinUnit <- (BinaryOp UnUnit?)
- -> SubBinary
-UnUnit <- ExpUnit
- / (UnaryOp+ (ExpUnit / MissExp))
- -> Unary
-ExpUnit <- Nil
- / Boolean
- / String
- / Number
- / Dots
- / Table
- / Function
- / Simple
-
-Simple <- {| Prefix (Sp Suffix)* |}
- -> Simple
-Prefix <- Sp ({} PL DirtyExp DirtyPR {})
- -> Paren
- / Single
-Single <- FreeName
- -> Single
-Suffix <- SuffixWithoutCall
- / ({} PL SuffixCall DirtyPR {})
- -> Call
-SuffixCall <- Sp ({} {| (COMMA / Exp)+ |} {})
- -> PackExpList
- / %nil
-SuffixWithoutCall
- <- (DOT (Name / MissField))
- -> GetField
- / ({} BL DirtyExp DirtyBR {})
- -> GetIndex
- / (COLON (Name / MissMethod) NeedCall)
- -> GetMethod
- / ({} {| Table |} {})
- -> Call
- / ({} {| String |} {})
- -> Call
-NeedCall <- (!(Sp CallStart) {} -> MissPL)?
-MissField <- {} -> MissField
-MissMethod <- {} -> MissMethod
-CallStart <- PL
- / TL
- / '"'
- / "'"
- / '[' '='* '['
-
-DirtyExp <- Exp
- / {} -> DirtyExp
-MaybeExp <- Exp / MissExp
-MissExp <- {} -> MissExp
-ExpList <- Sp {| MaybeExp (Sp ',' MaybeExp)* |}
-
-Dots <- DOTS
- -> VarArgs
-
-Table <- Sp ({} TL {| TableField* |} DirtyTR {})
- -> Table
-TableField <- COMMA
- / SEMICOLON
- / NewIndex
- / NewField
- / Exp
-Index <- BL DirtyExp DirtyBR
-NewIndex <- Sp ({} Index NeedAssign DirtyExp {})
- -> NewIndex
-NewField <- Sp ({} MustName ASSIGN DirtyExp {})
- -> NewField
-
-Function <- FunctionBody
- -> Function
-FuncArgs <- Sp ({} PL {| FuncArg+ |} DirtyPR {})
- -> FuncArgs
- / PL DirtyPR %nil
- / {} -> MissPL DirtyPR %nil
-FuncArg <- DOTS
- / Name
- / COMMA
-FunctionBody<- FUNCTION FuncArgs
- {| (!END Action)* |}
- NeedEnd
-
--- 纯占位,修改了 `relabel.lua` 使重复定义不抛错
-Action <- !END .
-]]
-
-grammar 'Action' [[
-Action <- Sp (CrtAction / UnkAction)
-CrtAction <- Semicolon
- / Do
- / Break
- / Return
- / Label
- / GoTo
- / If
- / For
- / While
- / Repeat
- / NamedFunction
- / LocalFunction
- / Local
- / Set
- / Call
- / ExpInAction
-UnkAction <- ({} {Word+})
- -> UnknownAction
- / ({} '//' {} (LongComment / ShortComment))
- -> CCommentPrefix
- / ({} {. (!Sps !CrtAction .)*})
- -> UnknownAction
-ExpInAction <- Sp ({} Exp {})
- -> ExpInAction
-
-Semicolon <- Sp ';'
-SimpleList <- {| Simple (Sp ',' Simple)* |}
-
-Do <- Sp ({}
- 'do' Cut
- {| (!END Action)* |}
- NeedEnd)
- -> Do
-
-Break <- Sp ({} BREAK {})
- -> Break
-
-Return <- Sp ({} RETURN ReturnExpList {})
- -> Return
-ReturnExpList
- <- Sp {| Exp (Sp ',' MaybeExp)* |}
- / Sp {| !Exp !',' |}
- / ExpList
-
-Label <- Sp ({} LABEL MustName DirtyLabel {})
- -> Label
-
-GoTo <- Sp ({} GOTO MustName {})
- -> GoTo
-
-If <- Sp ({} {| IfHead IfBody* |} NeedEnd)
- -> If
-
-IfHead <- Sp (IfPart {}) -> IfBlock
- / Sp (ElseIfPart {}) -> ElseIfBlock
- / Sp (ElsePart {}) -> ElseBlock
-IfBody <- Sp (ElseIfPart {}) -> ElseIfBlock
- / Sp (ElsePart {}) -> ElseBlock
-IfPart <- IF DirtyExp NeedThen
- {| (!ELSEIF !ELSE !END Action)* |}
-ElseIfPart <- ELSEIF DirtyExp NeedThen
- {| (!ELSEIF !ELSE !END Action)* |}
-ElsePart <- ELSE
- {| (!ELSEIF !ELSE !END Action)* |}
-
-For <- Loop / In
-
-Loop <- LoopBody
- -> Loop
-LoopBody <- FOR LoopArgs NeedDo
- {} {| (!END Action)* |}
- NeedEnd
-LoopArgs <- MustName AssignOrEQ
- ({} {| (COMMA / !DO !END Exp)* |} {})
- -> PackLoopArgs
-
-In <- InBody
- -> In
-InBody <- FOR InNameList NeedIn InExpList NeedDo
- {} {| (!END Action)* |}
- NeedEnd
-InNameList <- ({} {| (COMMA / !IN !DO !END Name)* |} {})
- -> PackInNameList
-InExpList <- ({} {| (COMMA / !DO !DO !END Exp)* |} {})
- -> PackInExpList
-
-While <- WhileBody
- -> While
-WhileBody <- WHILE DirtyExp NeedDo
- {| (!END Action)* |}
- NeedEnd
-
-Repeat <- (RepeatBody {})
- -> Repeat
-RepeatBody <- REPEAT
- {| (!UNTIL Action)* |}
- NeedUntil DirtyExp
-
-LocalAttr <- {| (Sp '<' Sp MustName Sp LocalAttrEnd)+ |}
- -> LocalAttr
-LocalAttrEnd<- '>' / {} -> MissGT
-Local <- Sp ({} LOCAL LocalNameList ((AssignOrEQ ExpList) / %nil) {})
- -> Local
-Set <- Sp ({} SimpleList AssignOrEQ ExpList {})
- -> Set
-LocalNameList
- <- {| LocalName (Sp ',' LocalName)* |}
-LocalName <- (MustName LocalAttr?)
- -> LocalName
-
-Call <- Simple
- -> SimpleCall
-
-LocalFunction
- <- Sp ({} LOCAL FunctionNamedBody)
- -> LocalFunction
-
-NamedFunction
- <- FunctionNamedBody
- -> NamedFunction
-FunctionNamedBody
- <- FUNCTION FuncName FuncArgs
- {| (!END Action)* |}
- NeedEnd
-FuncName <- {| Single (Sp SuffixWithoutCall)* |}
- -> Simple
- / {} -> MissName %nil
-]]
-
---grammar 'EmmyLua' (emmy.grammar)
-
-grammar 'Lua' [[
-Lua <- Head?
- ({} {| Action* |} {}) -> Lua
- Sp
-Head <- '#' (!%nl .)*
-]]
-
-return function (self, lua, mode)
- local gram = compiled[mode] or compiled['Lua']
- local r, _, pos = gram:match(lua)
- if not r then
- local err = errorpos(pos)
- return nil, err
- end
-
- return r
-end
diff --git a/server-beta/src/parser/guide.lua b/server-beta/src/parser/guide.lua
deleted file mode 100644
index af511555..00000000
--- a/server-beta/src/parser/guide.lua
+++ /dev/null
@@ -1,621 +0,0 @@
-local error = error
-local type = type
-local next = next
-local tostring = tostring
-
-_ENV = nil
-
-local m = {}
-
-local blockTypes = {
- ['while'] = true,
- ['in'] = true,
- ['loop'] = true,
- ['repeat'] = true,
- ['do'] = true,
- ['function'] = true,
- ['ifblock'] = true,
- ['elseblock'] = true,
- ['elseifblock'] = true,
- ['main'] = true,
-}
-
-local breakBlockTypes = {
- ['while'] = true,
- ['in'] = true,
- ['loop'] = true,
- ['repeat'] = true,
-}
-
-m.childMap = {
- ['main'] = {'#'},
- ['repeat'] = {'#', 'filter'},
- ['while'] = {'filter', '#'},
- ['in'] = {'keys', '#'},
- ['loop'] = {'loc', 'max', 'step', '#'},
- ['if'] = {'#'},
- ['ifblock'] = {'filter', '#'},
- ['elseifblock'] = {'filter', '#'},
- ['elseblock'] = {'#'},
- ['setfield'] = {'node', 'field', 'value'},
- ['setglobal'] = {'value'},
- ['local'] = {'attrs', 'value'},
- ['setlocal'] = {'value'},
- ['return'] = {'#'},
- ['do'] = {'#'},
- ['select'] = {'vararg'},
- ['table'] = {'#'},
- ['tableindex'] = {'index', 'value'},
- ['tablefield'] = {'field', 'value'},
- ['function'] = {'args', '#'},
- ['funcargs'] = {'#'},
- ['setmethod'] = {'node', 'method', 'value'},
- ['getmethod'] = {'node', 'method'},
- ['setindex'] = {'node', 'index', 'value'},
- ['getindex'] = {'node', 'index'},
- ['paren'] = {'exp'},
- ['call'] = {'node', 'args'},
- ['callargs'] = {'#'},
- ['getfield'] = {'node', 'field'},
- ['list'] = {'#'},
- ['binary'] = {1, 2},
- ['unary'] = {1}
-}
-
-m.actionMap = {
- ['main'] = {'#'},
- ['repeat'] = {'#'},
- ['while'] = {'#'},
- ['in'] = {'#'},
- ['loop'] = {'#'},
- ['if'] = {'#'},
- ['ifblock'] = {'#'},
- ['elseifblock'] = {'#'},
- ['elseblock'] = {'#'},
- ['do'] = {'#'},
- ['function'] = {'#'},
- ['funcargs'] = {'#'},
-}
-
---- 是否是字面量
-function m.isLiteral(obj)
- local tp = obj.type
- return tp == 'nil'
- or tp == 'boolean'
- or tp == 'string'
- or tp == 'number'
- or tp == 'table'
-end
-
---- 获取字面量
-function m.getLiteral(obj)
- local tp = obj.type
- if tp == 'boolean' then
- return obj[1]
- elseif tp == 'string' then
- return obj[1]
- elseif tp == 'number' then
- return obj[1]
- end
- return nil
-end
-
---- 寻找父函数
-function m.getParentFunction(obj)
- for _ = 1, 1000 do
- obj = obj.parent
- if not obj then
- break
- end
- local tp = obj.type
- if tp == 'function' or tp == 'main' then
- return obj
- end
- end
- return nil
-end
-
---- 寻找所在区块
-function m.getBlock(obj)
- for _ = 1, 1000 do
- if not obj then
- return nil
- end
- local tp = obj.type
- if blockTypes[tp] then
- return obj
- end
- obj = obj.parent
- end
- error('guide.getBlock overstack')
-end
-
---- 寻找所在父区块
-function m.getParentBlock(obj)
- for _ = 1, 1000 do
- obj = obj.parent
- if not obj then
- return nil
- end
- local tp = obj.type
- if blockTypes[tp] then
- return obj
- end
- end
- error('guide.getParentBlock overstack')
-end
-
---- 寻找所在可break的父区块
-function m.getBreakBlock(obj)
- for _ = 1, 1000 do
- obj = obj.parent
- if not obj then
- return nil
- end
- local tp = obj.type
- if breakBlockTypes[tp] then
- return obj
- end
- if tp == 'function' then
- return nil
- end
- end
- error('guide.getBreakBlock overstack')
-end
-
---- 寻找根区块
-function m.getRoot(obj)
- for _ = 1, 1000 do
- local parent = obj.parent
- if not parent then
- return obj
- end
- obj = parent
- end
- error('guide.getRoot overstack')
-end
-
---- 寻找函数的不定参数,返回不定参在第几个参数上,以及该参数对象。
---- 如果函数是主函数,则返回`0, nil`。
----@return table
----@return integer
-function m.getFunctionVarArgs(func)
- if func.type == 'main' then
- return 0, nil
- end
- if func.type ~= 'function' then
- return nil, nil
- end
- local args = func.args
- if not args then
- return nil, nil
- end
- for i = 1, #args do
- local arg = args[i]
- if arg.type == '...' then
- return i, arg
- end
- end
- return nil, nil
-end
-
---- 获取指定区块中可见的局部变量
----@param block table
----@param name string {comment = '变量名'}
----@param pos integer {comment = '可见位置'}
-function m.getLocal(block, name, pos)
- block = m.getBlock(block)
- for _ = 1, 1000 do
- if not block then
- return nil
- end
- local locals = block.locals
- local res
- if not locals then
- goto CONTINUE
- end
- for i = 1, #locals do
- local loc = locals[i]
- if loc.effect > pos then
- break
- end
- if loc[1] == name then
- if not res or res.effect < loc.effect then
- res = loc
- end
- end
- end
- if res then
- return res, res
- end
- ::CONTINUE::
- block = m.getParentBlock(block)
- end
- error('guide.getLocal overstack')
-end
-
---- 获取指定区块中可见的标签
----@param block table
----@param name string {comment = '标签名'}
-function m.getLabel(block, name)
- block = m.getBlock(block)
- for _ = 1, 1000 do
- if not block then
- return nil
- end
- local labels = block.labels
- if labels then
- local label = labels[name]
- if label then
- return label
- end
- end
- if block.type == 'function' then
- return nil
- end
- block = m.getParentBlock(block)
- end
- error('guide.getLocal overstack')
-end
-
---- 判断source是否包含offset
-function m.isContain(source, offset)
- return source.start <= offset and source.finish >= offset - 1
-end
-
---- 判断offset在source的影响范围内
----
---- 主要针对赋值等语句时,key包含value
-function m.isInRange(source, offset)
- return (source.vstart or source.start) <= offset and (source.range or source.finish) >= offset - 1
-end
-
---- 添加child
-function m.addChilds(list, obj, map)
- local keys = map[obj.type]
- if keys then
- for i = 1, #keys do
- local key = keys[i]
- if key == '#' then
- for i = 1, #obj do
- list[#list+1] = obj[i]
- end
- else
- list[#list+1] = obj[key]
- end
- end
- end
-end
-
---- 遍历所有包含offset的source
-function m.eachSourceContain(ast, offset, callback)
- local list = { ast }
- while true do
- local len = #list
- if len == 0 then
- return
- end
- local obj = list[len]
- list[len] = nil
- if m.isInRange(obj, offset) then
- if m.isContain(obj, offset) then
- local res = callback(obj)
- if res ~= nil then
- return res
- end
- end
- m.addChilds(list, obj, m.childMap)
- end
- end
-end
-
---- 遍历所有指定类型的source
-function m.eachSourceType(ast, type, callback)
- local cache = ast.typeCache
- if not cache then
- local mark = {}
- cache = {}
- ast.typeCache = cache
- m.eachSource(ast, function (source)
- if mark[source] then
- return
- end
- mark[source] = true
- local tp = source.type
- if not tp then
- return
- end
- local myCache = cache[tp]
- if not myCache then
- myCache = {}
- cache[tp] = myCache
- end
- myCache[#myCache+1] = source
- end)
- end
- local myCache = cache[type]
- if not myCache then
- return
- end
- for i = 1, #myCache do
- callback(myCache[i])
- end
-end
-
---- 遍历所有的source
-function m.eachSource(ast, callback)
- local list = { ast }
- while true do
- local len = #list
- if len == 0 then
- return
- end
- local obj = list[len]
- list[len] = nil
- callback(obj)
- m.addChilds(list, obj, m.childMap)
- end
-end
-
---- 获取指定的 special
-function m.eachSpecialOf(ast, name, callback)
- local root = m.getRoot(ast)
- if not root.specials then
- return
- end
- local specials = root.specials[name]
- if not specials then
- return
- end
- for i = 1, #specials do
- callback(specials[i])
- end
-end
-
---- 获取偏移对应的坐标
----@param lines table
----@return integer {name = 'row'}
----@return integer {name = 'col'}
-function m.positionOf(lines, offset)
- if offset < 1 then
- return 0, 0
- end
- local lastLine = lines[#lines]
- if offset > lastLine.finish then
- return #lines, lastLine.finish - lastLine.start + 1
- end
- local min = 1
- local max = #lines
- for _ = 1, 100 do
- if max <= min then
- local line = lines[min]
- return min, offset - line.start + 1
- end
- local row = (max - min) // 2 + min
- local line = lines[row]
- if offset < line.start then
- max = row - 1
- elseif offset > line.finish then
- min = row + 1
- else
- return row, offset - line.start + 1
- end
- end
- error('Stack overflow!')
-end
-
---- 获取坐标对应的偏移
----@param lines table
----@param row integer
----@param col integer
----@return integer {name = 'offset'}
-function m.offsetOf(lines, row, col)
- if row < 1 then
- return 0
- end
- if row > #lines then
- local lastLine = lines[#lines]
- return lastLine.finish
- end
- local line = lines[row]
- local len = line.finish - line.start + 1
- if col < 0 then
- return line.start
- elseif col > len then
- return line.finish
- else
- return line.start + col - 1
- end
-end
-
-function m.lineContent(lines, text, row)
- local line = lines[row]
- if not line then
- return ''
- end
- return text:sub(line.start, line.finish)
-end
-
-function m.lineRange(lines, row)
- local line = lines[row]
- if not line then
- return 0, 0
- end
- return line.start, line.finish
-end
-
-function m.getName(obj)
- local tp = obj.type
- if tp == 'getglobal'
- or tp == 'setglobal' then
- return obj[1]
- elseif tp == 'local'
- or tp == 'getlocal'
- or tp == 'setlocal' then
- return obj[1]
- elseif tp == 'getfield'
- or tp == 'setfield'
- or tp == 'tablefield' then
- return obj.field[1]
- elseif tp == 'getmethod'
- or tp == 'setmethod' then
- return obj.method[1]
- elseif tp == 'getindex'
- or tp == 'setindex'
- or tp == 'tableindex' then
- return m.getName(obj.index)
- elseif tp == 'field'
- or tp == 'method' then
- return obj[1]
- elseif tp == 'index' then
- return m.getName(obj.index)
- elseif tp == 'string' then
- return obj[1]
- end
- return nil
-end
-
-function m.getKeyName(obj)
- local tp = obj.type
- if tp == 'getglobal'
- or tp == 'setglobal' then
- return 's|' .. obj[1]
- elseif tp == 'getfield'
- or tp == 'setfield'
- or tp == 'tablefield' then
- if obj.field then
- return 's|' .. obj.field[1]
- end
- elseif tp == 'getmethod'
- or tp == 'setmethod' then
- if obj.method then
- return 's|' .. obj.method[1]
- end
- elseif tp == 'getindex'
- or tp == 'setindex'
- or tp == 'tableindex' then
- if obj.index then
- return m.getKeyName(obj.index)
- end
- elseif tp == 'field'
- or tp == 'method' then
- return 's|' .. obj[1]
- elseif tp == 'string' then
- local s = obj[1]
- if s then
- return 's|' .. s
- else
- return s
- end
- elseif tp == 'number' then
- local n = obj[1]
- if n then
- return ('n|%q'):format(obj[1])
- else
- return 'n'
- end
- elseif tp == 'boolean' then
- local b = obj[1]
- if b then
- return 'b|' .. tostring(b)
- else
- return 'b'
- end
- end
- return nil
-end
-
-function m.getENV(ast)
- if ast.type ~= 'main' then
- return nil
- end
- return ast.locals[1]
-end
-
---- 测试 a 到 b 的路径(不经过函数,不考虑 goto),
---- 每个路径是一个 block 。
----
---- 如果 a 在 b 的前面,返回 `"before"` 加上 2个`list<block>`
----
---- 如果 a 在 b 的后面,返回 `"after"` 加上 2个`list<block>`
----
---- 否则返回 `false`
----
---- 返回的2个 `list` 分别为基准block到达 a 与 b 的路径。
----@param a table
----@param b table
----@return string|boolean mode
----@return table|nil pathA
----@return table|nil pathB
-function m.getPath(a, b)
- --- 首先测试双方在同一个函数内
- if m.getParentFunction(a) ~= m.getParentFunction(b) then
- return false
- end
- local mode
- local objA
- local objB
- if a.finish < b.start then
- mode = 'before'
- objA = a
- objB = b
- elseif a.start > b.finish then
- mode = 'after'
- objA = b
- objB = a
- else
- return 'equal', {}, {}
- end
- local pathA = {}
- local pathB = {}
- for _ = 1, 1000 do
- objA = m.getParentBlock(objA)
- pathA[#pathA+1] = objA
- if objA.type == 'function' or objA.type == 'main' then
- break
- end
- end
- for _ = 1, 1000 do
- objB = m.getParentBlock(objB)
- pathB[#pathB+1] = objB
- if objB.type == 'function' or objB.type == 'main' then
- break
- end
- end
- -- pathA: {1, 2, 3, 4, 5}
- -- pathB: {5, 6, 2, 3}
- local top = #pathB
- local start
- for i = #pathA, 1, -1 do
- local currentBlock = pathA[i]
- if currentBlock == pathB[top] then
- start = i
- break
- end
- end
- -- pathA: { 1, 2, 3}
- -- pathB: {5, 6, 2, 3}
- local extra = 0
- local align = top - start
- for i = start, 1, -1 do
- local currentA = pathA[i]
- local currentB = pathB[i+align]
- if currentA ~= currentB then
- extra = i
- break
- end
- end
- -- pathA: {1}
- local resultA = {}
- for i = extra, 1, -1 do
- resultA[#resultA+1] = pathA[i]
- end
- -- pathB: {5, 6}
- local resultB = {}
- for i = extra + align, 1, -1 do
- resultB[#resultB+1] = pathB[i]
- end
- return mode, resultA, resultB
-end
-
-return m
diff --git a/server-beta/src/parser/init.lua b/server-beta/src/parser/init.lua
deleted file mode 100644
index 5eeb0da2..00000000
--- a/server-beta/src/parser/init.lua
+++ /dev/null
@@ -1,11 +0,0 @@
-local api = {
- grammar = require 'parser.grammar',
- parse = require 'parser.parse',
- compile = require 'parser.compile',
- split = require 'parser.split',
- calcline = require 'parser.calcline',
- lines = require 'parser.lines',
- guide = require 'parser.guide',
-}
-
-return api
diff --git a/server-beta/src/parser/lines.lua b/server-beta/src/parser/lines.lua
deleted file mode 100644
index c7961d13..00000000
--- a/server-beta/src/parser/lines.lua
+++ /dev/null
@@ -1,46 +0,0 @@
-local m = require 'lpeglabel'
-local utf8Len = utf8.len
-
-_ENV = nil
-
-local function Line(start, line, range, finish)
- line.start = start
- line.finish = finish - 1
- line.range = range - 1
- return line
-end
-
-local function Space(...)
- local line = {...}
- local sp = 0
- local tab = 0
- for i = 1, #line do
- if line[i] == ' ' then
- sp = sp + 1
- elseif line[i] == '\t' then
- tab = tab + 1
- end
- line[i] = nil
- end
- line.sp = sp
- line.tab = tab
- return line
-end
-
-local parser = m.P{
-'Lines',
-Lines = m.Ct(m.V'Line'^0 * m.V'LastLine'),
-Line = m.Cp() * m.V'Indent' * (1 - m.V'Nl')^0 * m.Cp() * m.V'Nl' * m.Cp() / Line,
-LastLine= m.Cp() * m.V'Indent' * (1 - m.V'Nl')^0 * m.Cp() * m.Cp() / Line,
-Nl = m.P'\r\n' + m.S'\r\n',
-Indent = m.C(m.S' \t')^0 / Space,
-}
-
-return function (self, text)
- local lines, err = parser:match(text)
- if not lines then
- return nil, err
- end
-
- return lines
-end
diff --git a/server-beta/src/parser/parse.lua b/server-beta/src/parser/parse.lua
deleted file mode 100644
index bbc01b10..00000000
--- a/server-beta/src/parser/parse.lua
+++ /dev/null
@@ -1,45 +0,0 @@
-local ast = require 'parser.ast'
-
-return function (self, lua, mode, version)
- local errs = {}
- local diags = {}
- local state = {
- version = version,
- lua = lua,
- emmy = {},
- root = {},
- errs = errs,
- diags = diags,
- pushError = function (err)
- if err.finish < err.start then
- err.finish = err.start
- end
- local last = errs[#errs]
- if last then
- if last.start <= err.start and last.finish >= err.finish then
- return
- end
- end
- err.level = err.level or 'error'
- errs[#errs+1] = err
- return err
- end,
- pushDiag = function (code, info)
- if not diags[code] then
- diags[code] = {}
- end
- diags[code][#diags[code]+1] = info
- end
- }
- ast.init(state)
- local suc, res, err = xpcall(self.grammar, debug.traceback, self, lua, mode)
- ast.close()
- if not suc then
- return nil, res
- end
- if not res then
- state.pushError(err)
- end
- state.ast = res
- return state
-end
diff --git a/server-beta/src/parser/relabel.lua b/server-beta/src/parser/relabel.lua
deleted file mode 100644
index ac902403..00000000
--- a/server-beta/src/parser/relabel.lua
+++ /dev/null
@@ -1,361 +0,0 @@
--- $Id: re.lua,v 1.44 2013/03/26 20:11:40 roberto Exp $
-
--- imported functions and modules
-local tonumber, type, print, error = tonumber, type, print, error
-local pcall = pcall
-local setmetatable = setmetatable
-local tinsert, concat = table.insert, table.concat
-local rep = string.rep
-local m = require"lpeglabel"
-
--- 'm' will be used to parse expressions, and 'mm' will be used to
--- create expressions; that is, 're' runs on 'm', creating patterns
--- on 'mm'
-local mm = m
-
--- pattern's metatable
-local mt = getmetatable(mm.P(0))
-
-
-
--- No more global accesses after this point
-_ENV = nil
-
-
-local any = m.P(1)
-local dummy = mm.P(false)
-
-
-local errinfo = {
- NoPatt = "no pattern found",
- ExtraChars = "unexpected characters after the pattern",
-
- ExpPatt1 = "expected a pattern after '/'",
-
- ExpPatt2 = "expected a pattern after '&'",
- ExpPatt3 = "expected a pattern after '!'",
-
- ExpPatt4 = "expected a pattern after '('",
- ExpPatt5 = "expected a pattern after ':'",
- ExpPatt6 = "expected a pattern after '{~'",
- ExpPatt7 = "expected a pattern after '{|'",
-
- ExpPatt8 = "expected a pattern after '<-'",
-
- ExpPattOrClose = "expected a pattern or closing '}' after '{'",
-
- ExpNumName = "expected a number, '+', '-' or a name (no space) after '^'",
- ExpCap = "expected a string, number, '{}' or name after '->'",
-
- ExpName1 = "expected the name of a rule after '=>'",
- ExpName2 = "expected the name of a rule after '=' (no space)",
- ExpName3 = "expected the name of a rule after '<' (no space)",
-
- ExpLab1 = "expected a label after '{'",
-
- ExpNameOrLab = "expected a name or label after '%' (no space)",
-
- ExpItem = "expected at least one item after '[' or '^'",
-
- MisClose1 = "missing closing ')'",
- MisClose2 = "missing closing ':}'",
- MisClose3 = "missing closing '~}'",
- MisClose4 = "missing closing '|}'",
- MisClose5 = "missing closing '}'", -- for the captures
-
- MisClose6 = "missing closing '>'",
- MisClose7 = "missing closing '}'", -- for the labels
-
- MisClose8 = "missing closing ']'",
-
- MisTerm1 = "missing terminating single quote",
- MisTerm2 = "missing terminating double quote",
-}
-
-local function expect (pattern, label)
- return pattern + m.T(label)
-end
-
-
--- Pre-defined names
-local Predef = { nl = m.P"\n" }
-
-
-local mem
-local fmem
-local gmem
-
-
-local function updatelocale ()
- mm.locale(Predef)
- Predef.a = Predef.alpha
- Predef.c = Predef.cntrl
- Predef.d = Predef.digit
- Predef.g = Predef.graph
- Predef.l = Predef.lower
- Predef.p = Predef.punct
- Predef.s = Predef.space
- Predef.u = Predef.upper
- Predef.w = Predef.alnum
- Predef.x = Predef.xdigit
- Predef.A = any - Predef.a
- Predef.C = any - Predef.c
- Predef.D = any - Predef.d
- Predef.G = any - Predef.g
- Predef.L = any - Predef.l
- Predef.P = any - Predef.p
- Predef.S = any - Predef.s
- Predef.U = any - Predef.u
- Predef.W = any - Predef.w
- Predef.X = any - Predef.x
- mem = {} -- restart memoization
- fmem = {}
- gmem = {}
- local mt = {__mode = "v"}
- setmetatable(mem, mt)
- setmetatable(fmem, mt)
- setmetatable(gmem, mt)
-end
-
-
-updatelocale()
-
-
-
-local I = m.P(function (s,i) print(i, s:sub(1, i-1)); return i end)
-
-
-local function getdef (id, defs)
- local c = defs and defs[id]
- if not c then
- error("undefined name: " .. id)
- end
- return c
-end
-
-
-local function mult (p, n)
- local np = mm.P(true)
- while n >= 1 do
- if n%2 >= 1 then np = np * p end
- p = p * p
- n = n/2
- end
- return np
-end
-
-local function equalcap (s, i, c)
- if type(c) ~= "string" then return nil end
- local e = #c + i
- if s:sub(i, e - 1) == c then return e else return nil end
-end
-
-
-local S = (Predef.space + "--" * (any - Predef.nl)^0)^0
-
-local name = m.C(m.R("AZ", "az", "__") * m.R("AZ", "az", "__", "09")^0)
-
-local arrow = S * "<-"
-
--- a defined name only have meaning in a given environment
-local Def = name * m.Carg(1)
-
-local num = m.C(m.R"09"^1) * S / tonumber
-
-local String = "'" * m.C((any - "'" - m.P"\n")^0) * expect("'", "MisTerm1")
- + '"' * m.C((any - '"' - m.P"\n")^0) * expect('"', "MisTerm2")
-
-
-local defined = "%" * Def / function (c,Defs)
- local cat = Defs and Defs[c] or Predef[c]
- if not cat then
- error("name '" .. c .. "' undefined")
- end
- return cat
-end
-
-local Range = m.Cs(any * (m.P"-"/"") * (any - "]")) / mm.R
-
-local item = defined + Range + m.C(any - m.P"\n")
-
-local Class =
- "["
- * (m.C(m.P"^"^-1)) -- optional complement symbol
- * m.Cf(expect(item, "ExpItem") * (item - "]")^0, mt.__add)
- / function (c, p) return c == "^" and any - p or p end
- * expect("]", "MisClose8")
-
-local function adddef (t, k, exp)
- if t[k] then
- -- TODO 改了一下这里的代码,重复定义不会抛错
- --error("'"..k.."' already defined as a rule")
- else
- t[k] = exp
- end
- return t
-end
-
-local function firstdef (n, r) return adddef({n}, n, r) end
-
-
-local function NT (n, b)
- if not b then
- error("rule '"..n.."' used outside a grammar")
- else return mm.V(n)
- end
-end
-
-
-local exp = m.P{ "Exp",
- Exp = S * ( m.V"Grammar"
- + m.Cf(m.V"Seq" * (S * "/" * expect(S * m.V"Seq", "ExpPatt1"))^0, mt.__add) );
- Seq = m.Cf(m.Cc(m.P"") * m.V"Prefix" * (S * m.V"Prefix")^0, mt.__mul);
- Prefix = "&" * expect(S * m.V"Prefix", "ExpPatt2") / mt.__len
- + "!" * expect(S * m.V"Prefix", "ExpPatt3") / mt.__unm
- + m.V"Suffix";
- Suffix = m.Cf(m.V"Primary" *
- ( S * ( m.P"+" * m.Cc(1, mt.__pow)
- + m.P"*" * m.Cc(0, mt.__pow)
- + m.P"?" * m.Cc(-1, mt.__pow)
- + "^" * expect( m.Cg(num * m.Cc(mult))
- + m.Cg(m.C(m.S"+-" * m.R"09"^1) * m.Cc(mt.__pow)
- + name * m.Cc"lab"
- ),
- "ExpNumName")
- + "->" * expect(S * ( m.Cg((String + num) * m.Cc(mt.__div))
- + m.P"{}" * m.Cc(nil, m.Ct)
- + m.Cg(Def / getdef * m.Cc(mt.__div))
- ),
- "ExpCap")
- + "=>" * expect(S * m.Cg(Def / getdef * m.Cc(m.Cmt)),
- "ExpName1")
- )
- )^0, function (a,b,f) if f == "lab" then return a + mm.T(b) else return f(a,b) end end );
- Primary = "(" * expect(m.V"Exp", "ExpPatt4") * expect(S * ")", "MisClose1")
- + String / mm.P
- + Class
- + defined
- + "%" * expect(m.P"{", "ExpNameOrLab")
- * expect(S * m.V"Label", "ExpLab1")
- * expect(S * "}", "MisClose7") / mm.T
- + "{:" * (name * ":" + m.Cc(nil)) * expect(m.V"Exp", "ExpPatt5")
- * expect(S * ":}", "MisClose2")
- / function (n, p) return mm.Cg(p, n) end
- + "=" * expect(name, "ExpName2")
- / function (n) return mm.Cmt(mm.Cb(n), equalcap) end
- + m.P"{}" / mm.Cp
- + "{~" * expect(m.V"Exp", "ExpPatt6")
- * expect(S * "~}", "MisClose3") / mm.Cs
- + "{|" * expect(m.V"Exp", "ExpPatt7")
- * expect(S * "|}", "MisClose4") / mm.Ct
- + "{" * expect(m.V"Exp", "ExpPattOrClose")
- * expect(S * "}", "MisClose5") / mm.C
- + m.P"." * m.Cc(any)
- + (name * -arrow + "<" * expect(name, "ExpName3")
- * expect(">", "MisClose6")) * m.Cb("G") / NT;
- Label = num + name;
- Definition = name * arrow * expect(m.V"Exp", "ExpPatt8");
- Grammar = m.Cg(m.Cc(true), "G")
- * m.Cf(m.V"Definition" / firstdef * (S * m.Cg(m.V"Definition"))^0,
- adddef) / mm.P;
-}
-
-local pattern = S * m.Cg(m.Cc(false), "G") * expect(exp, "NoPatt") / mm.P
- * S * expect(-any, "ExtraChars")
-
-local function lineno (s, i)
- if i == 1 then return 1, 1 end
- local adjustment = 0
- -- report the current line if at end of line, not the next
- if s:sub(i,i) == '\n' then
- i = i-1
- adjustment = 1
- end
- local rest, num = s:sub(1,i):gsub("[^\n]*\n", "")
- local r = #rest
- return 1 + num, (r ~= 0 and r or 1) + adjustment
-end
-
-local function calcline (s, i)
- if i == 1 then return 1, 1 end
- local rest, line = s:sub(1,i):gsub("[^\n]*\n", "")
- local col = #rest
- return 1 + line, col ~= 0 and col or 1
-end
-
-
-local function splitlines(str)
- local t = {}
- local function helper(line) tinsert(t, line) return "" end
- helper((str:gsub("(.-)\r?\n", helper)))
- return t
-end
-
-local function compile (p, defs)
- if mm.type(p) == "pattern" then return p end -- already compiled
- p = p .. " " -- for better reporting of column numbers in errors when at EOF
- local ok, cp, label, poserr = pcall(function() return pattern:match(p, 1, defs) end)
- if not ok and cp then
- if type(cp) == "string" then
- cp = cp:gsub("^[^:]+:[^:]+: ", "")
- end
- error(cp, 3)
- end
- if not cp then
- local lines = splitlines(p)
- local line, col = lineno(p, poserr)
- local err = {}
- tinsert(err, "L" .. line .. ":C" .. col .. ": " .. errinfo[label])
- tinsert(err, lines[line])
- tinsert(err, rep(" ", col-1) .. "^")
- error("syntax error(s) in pattern\n" .. concat(err, "\n"), 3)
- end
- return cp
-end
-
-local function match (s, p, i)
- local cp = mem[p]
- if not cp then
- cp = compile(p)
- mem[p] = cp
- end
- return cp:match(s, i or 1)
-end
-
-local function find (s, p, i)
- local cp = fmem[p]
- if not cp then
- cp = compile(p) / 0
- cp = mm.P{ mm.Cp() * cp * mm.Cp() + 1 * mm.V(1) }
- fmem[p] = cp
- end
- local i, e = cp:match(s, i or 1)
- if i then return i, e - 1
- else return i
- end
-end
-
-local function gsub (s, p, rep)
- local g = gmem[p] or {} -- ensure gmem[p] is not collected while here
- gmem[p] = g
- local cp = g[rep]
- if not cp then
- cp = compile(p)
- cp = mm.Cs((cp / rep + 1)^0)
- g[rep] = cp
- end
- return cp:match(s)
-end
-
-
--- exported names
-local re = {
- compile = compile,
- match = match,
- find = find,
- gsub = gsub,
- updatelocale = updatelocale,
- calcline = calcline
-}
-
-return re
diff --git a/server-beta/src/parser/split.lua b/server-beta/src/parser/split.lua
deleted file mode 100644
index 6ce4a4e7..00000000
--- a/server-beta/src/parser/split.lua
+++ /dev/null
@@ -1,9 +0,0 @@
-local m = require 'lpeglabel'
-
-local NL = m.P'\r\n' + m.S'\r\n'
-local LINE = m.C(1 - NL)
-
-return function (str)
- local MATCH = m.Ct((LINE * NL)^0 * LINE)
- return MATCH:match(str)
-end