95 lines
2.4 KiB
Lua
95 lines
2.4 KiB
Lua
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---@class vm
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local vm = require 'vm.vm'
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local util = require 'utility'
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local guide = require 'parser.guide'
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local simpleSwitch
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simpleSwitch = util.switch()
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: case 'goto'
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: call(function (source, pushResult)
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if source.node then
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pushResult(source.node)
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end
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end)
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: case 'doc.cast.name'
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: call(function (source, pushResult)
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local loc = guide.getLocal(source, source[1], source.start)
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if loc then
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pushResult(loc)
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end
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end)
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: case 'doc.field'
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: call(function (source, pushResult)
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pushResult(source)
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end)
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---@param source parser.object
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---@param pushResult fun(src: parser.object)
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local function searchBySimple(source, pushResult)
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simpleSwitch(source.type, source, pushResult)
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end
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---@param source parser.object
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---@param pushResult fun(src: parser.object)
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local function searchByLocalID(source, pushResult)
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local idSources = vm.getLocalSourcesSets(source)
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if not idSources then
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return
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end
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for _, src in ipairs(idSources) do
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pushResult(src)
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end
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end
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local function searchByNode(source, pushResult)
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local node = vm.compileNode(source)
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local suri = guide.getUri(source)
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for n in node:eachObject() do
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if n.type == 'global' then
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for _, set in ipairs(n:getSets(suri)) do
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pushResult(set)
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end
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else
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pushResult(n)
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end
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end
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end
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---@param source parser.object
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---@return parser.object[]
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function vm.getDefs(source)
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local results = {}
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local mark = {}
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local hasLocal
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local function pushResult(src)
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if src.type == 'local' then
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if hasLocal then
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return
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end
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hasLocal = true
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if source.type ~= 'local'
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and source.type ~= 'getlocal'
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and source.type ~= 'setlocal'
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and source.type ~= 'doc.cast.name' then
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return
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end
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end
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if not mark[src] then
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mark[src] = true
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if guide.isSet(src)
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or guide.isLiteral(src) then
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results[#results+1] = src
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end
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end
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end
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searchBySimple(source, pushResult)
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searchByLocalID(source, pushResult)
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vm.compileByNodeChain(source, pushResult)
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searchByNode(source, pushResult)
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return results
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end
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