no longer beta

1 files changed, 64 insertions, 0 deletions

diff --git a/script/provider/semantic-tokens.lua b/script/provider/semantic-tokens.lua
new file mode 100644
index 00000000..17985bcd
--- /dev/null
+++ b/script/provider/semantic-tokens.lua
@@ -0,0 +1,64 @@
+local proto          = require 'proto'
+local define         = require 'proto.define'
+local client         = require 'provider.client'
+
+local isEnable = false
+
+local function toArray(map)
+    local array = {}
+    for k in pairs(map) do
+        array[#array+1] = k
+    end
+    table.sort(array, function (a, b)
+        return map[a] < map[b]
+    end)
+    return array
+end
+
+local function enable()
+    if isEnable then
+        return
+    end
+    if not client.info.capabilities.textDocument.semanticTokens then
+        return
+    end
+    isEnable = true
+    log.debug('Enable semantic tokens.')
+    proto.awaitRequest('client/registerCapability', {
+        registrations = {
+            {
+                id = 'semantic-tokens',
+                method = 'textDocument/semanticTokens',
+                registerOptions = {
+                    legend = {
+                        tokenTypes     = toArray(define.TokenTypes),
+                        tokenModifiers = toArray(define.TokenModifiers),
+                    },
+                    range = true,
+                    full  = true,
+                },
+            },
+        }
+    })
+end
+
+local function disable()
+    if not isEnable then
+        return
+    end
+    isEnable = false
+    log.debug('Disable semantic tokens.')
+    proto.awaitRequest('client/unregisterCapability', {
+        unregisterations = {
+            {
+                id = 'semantic-tokens',
+                method = 'textDocument/semanticTokens',
+            },
+        }
+    })
+end
+
+return {
+    enable = enable,
+    disable = disable,
+}