summaryrefslogtreecommitdiff
path: root/script/core/document_symbol.lua
blob: 48e013323cb99943c48f0481518307647c2865fc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
local hoverFunction = require 'core.hover.function'
local getName = require 'core.name'
local hover = require 'core.hover'

local SymbolKind = {
    File = 1,
    Module = 2,
    Namespace = 3,
    Package = 4,
    Class = 5,
    Method = 6,
    Property = 7,
    Field = 8,
    Constructor = 9,
    Enum = 10,
    Interface = 11,
    Function = 12,
    Variable = 13,
    Constant = 14,
    String = 15,
    Number = 16,
    Boolean = 17,
    Array = 18,
    Object = 19,
    Key = 20,
    Null = 21,
    EnumMember = 22,
    Struct = 23,
    Event = 24,
    Operator = 25,
    TypeParameter = 26,
}

local function buildLocal(vm, source, used, callback)
    local vars = source[1]
    local exps = source[2]
    if vars.type ~= 'list' then
        vars = {vars}
    end
    if not exps or exps.type ~= 'list' then
        exps = {exps}
    end
    for i, var in ipairs(vars) do
        local exp = exps[i]
        local data = {}
        local loc = var:bindLocal()
        data.name = loc:getName()
        data.range = { var.start, var.finish }
        data.selectionRange = { var.start, var.finish }
        if exp then
            local hvr = hover(var)
            if exp.type == 'function' then
                data.kind = SymbolKind.Function
            else
                data.kind = SymbolKind.Variable
            end
            data.detail = hvr.label:gsub('[\r\n]', '')
            data.valueRange = { exp.start, exp.finish }
            used[exp] = true
        else
            data.kind = SymbolKind.Variable
            data.detail = ''
            data.valueRange = { var.start, var.finish }
        end
        callback(data)
    end
end

local function buildSet(vm, source, used, callback)
    local vars = source[1]
    local exps = source[2]
    if vars.type ~= 'list' then
        vars = {vars}
    end
    if not exps or exps.type ~= 'list' then
        exps = {exps}
    end
    for i, var in ipairs(vars) do
        if var:bindLocal() then
            goto CONTINUE
        end
        local exp = exps[i]
        local data = {}
        data.name = getName(var)
        data.range = { var.start, var.finish }
        data.selectionRange = { var.start, var.finish }
        if exp then
            local hvr = hover(var)
            if not hvr then
                goto CONTINUE
            end
            if exp.type == 'function' then
                data.kind = SymbolKind.Function
            else
                data.kind = SymbolKind.Property
            end
            data.detail = hvr.label:gsub('[\r\n]', '')
            data.valueRange = { exp.start, exp.finish }
            used[exp] = true
        else
            data.kind = SymbolKind.Property
            data.detail = ''
            data.valueRange = { var.start, var.finish }
        end
        callback(data)
        :: CONTINUE ::
    end
end

local function buildPair(vm, source, used, callback)
    local var = source[1]
    local exp = source[2]
    local data = {}
    data.name = getName(var)
    data.range = { var.start, var.finish }
    data.selectionRange = { var.start, var.finish }
    if exp then
        local hvr = hover(var)
        if not hvr then
            return
        end
        if exp.type == 'function' then
            data.kind = SymbolKind.Function
        else
            data.kind = SymbolKind.Class
        end
        data.detail = hvr.label:gsub('[\r\n]', '')
        data.valueRange = { exp.start, exp.finish }
        used[exp] = true
    else
        data.kind = SymbolKind.Class
        data.detail = ''
        data.valueRange = { var.start, var.finish }
    end
    callback(data)
end

local function buildLocalFunction(vm, source, used, callback)
    local value = source:bindFunction()
    if not value then
        return
    end
    local name = getName(source.name)
    local hvr = hoverFunction(name, value:getFunction())
    if not hvr then
        return
    end
    local kind = SymbolKind.Function
    callback {
        name = name,
        detail = hvr.label:gsub('[\r\n]', ''),
        kind = kind,
        range = { source.start, source.finish },
        selectionRange = { source.name.start, source.name.finish },
        valueRange = { source.start, source.finish },
    }
end


local function buildFunction(vm, source, used, callback)
    if used[source] then
        return
    end
    local value = source:bindFunction()
    if not value then
        return
    end
    local name = getName(source.name)
    local func = value:getFunction()
    if not func then
        return
    end
    local hvr = hoverFunction(name, func, func:getObject())
    if not hvr then
        return
    end
    local data = {}
    data.name = name
    data.detail = hvr.label:gsub('[\r\n]', '')
    data.range = { source.start, source.finish }
    data.valueRange = { source.start, source.finish }
    if source.name then
        data.selectionRange = { source.name.start, source.name.finish }
    else
        data.selectionRange = { source.start, source.start }
    end
    if func:getObject() then
        data.kind = SymbolKind.Field
    else
        data.kind = SymbolKind.Function
    end
    callback(data)
end

local function buildSource(vm, source, used, callback)
    if source.type == 'local' then
        buildLocal(vm, source, used, callback)
        return
    end
    if source.type == 'set' then
        buildSet(vm, source, used, callback)
        return
    end
    if source.type == 'pair' then
        buildPair(vm, source, used, callback)
        return
    end
    if source.type == 'localfunction' then
        buildLocalFunction(vm, source, used, callback)
        return
    end
    if source.type == 'function' then
        buildFunction(vm, source, used, callback)
        return
    end
end

local function packChild(symbols, finish, kind)
    local t
    while true do
        local symbol = symbols[#symbols]
        if not symbol then
            break
        end
        if symbol.valueRange[1] > finish then
            break
        end
        symbols[#symbols] = nil
        symbol.children = packChild(symbols, symbol.valueRange[2], symbol.kind)
        if not t then
            t = {}
        end
        t[#t+1] = symbol
    end
    return t
end

local function packSymbols(symbols)
    -- 按照start位置反向排序
    table.sort(symbols, function (a, b)
        return a.range[1] > b.range[1]
    end)
    -- 处理嵌套
    return packChild(symbols, math.maxinteger, SymbolKind.Function)
end

return function (vm)
    local symbols = {}
    local used = {}

    vm:eachSource(function (source)
        buildSource(vm, source, used, function (data)
            symbols[#symbols+1] = data
        end)
    end)

    local packedSymbols = packSymbols(symbols)

    return packedSymbols
end