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local guide = require 'parser.guide'
local util = require 'utility'
local state = require 'vm.state'
---@class parser.guide.object
---@field _compiledGlobals boolean
---@field _initedNodes boolean
---@field _compiled any
---@class vm.node.compiler
local m = {}
---@class vm.node.unknown
m.UNKNOWN = { type = 'unknown' }
---@alias vm.node vm.node.unknown | vm.node.global | vm.node.class
local compilerMap = util.switch()
: case 'setglobal'
: call(function (uri, source)
local name = guide.getKeyName(source)
source._compiled = state.declareGlobal(name, uri, source)
end)
: case 'getglobal'
: call(function (uri, source)
local name = guide.getKeyName(source)
local global = state.getGlobal(name)
global:addGet(uri, source)
source._compiled = global
end)
: getMap()
---@param uri uri
---@param source parser.guide.object
---@return vm.node
function m.compileNode(uri, source)
if source._compiled then
return source._compiled
end
source._compiled = m.UNKNOWN
local compiler = compilerMap[source.type]
if compiler then
compiler(uri, source)
end
return source._compiled
end
---编译全局变量的node
---@param root parser.guide.object
function m.compileGlobals(root)
if root._initedNodes then
return
end
if root._compiledGlobals then
return
end
root._compiledGlobals = true
local uri = guide.getUri(root)
local env = guide.getENV(root)
if env.ref then
for _, ref in ipairs(env.ref) do
m.compileNode(uri, ref)
end
end
end
return m
|
