hover的第一步

5 files changed, 61 insertions, 13 deletions

diff --git a/server-beta/src/core/hover/arg.lua b/server-beta/src/core/hover/arg.lua
new file mode 100644
index 00000000..be344488
--- /dev/null
+++ b/server-beta/src/core/hover/arg.lua
@@ -0,0 +1,20 @@
+local guide = require 'parser.guide'
+local vm    = require 'vm'
+
+local function asFunction(source)
+    if not source.args then
+        return ''
+    end
+    local args = {}
+    for i = 1, #source.args do
+        local arg = source.args[i]
+        args[i] = ('%s: %s'):format(guide.getName(arg), vm.getType(arg))
+    end
+    return table.concat(args, ', ')
+end
+
+return function (source)
+    if source.type == 'function' then
+        return asFunction(source)
+    end
+end
diff --git a/server-beta/src/core/hover/function.lua b/server-beta/src/core/hover/function.lua
deleted file mode 100644
index 15e54306..00000000
--- a/server-beta/src/core/hover/function.lua
+++ /dev/null
@@ -1,10 +0,0 @@
-local m = {}
-
-function m.label(source)
-    if source.type ~= 'function' then
-        return
-    end
-    
-end
-
-return m
diff --git a/server-beta/src/core/hover/init.lua b/server-beta/src/core/hover/init.lua
index af1bf6da..c47aee6d 100644
--- a/server-beta/src/core/hover/init.lua
+++ b/server-beta/src/core/hover/init.lua
@@ -1,21 +1,29 @@
 local files     = require 'files'
 local guide     = require 'parser.guide'
 local vm        = require 'vm'
-local funcHover = require 'core.hover.function'
+local getLabel  = require 'core.hover.label'
 
 local function getHoverAsFunction(source)
+    local uri = guide.getRoot(source).uri
+    local text = files.getText(uri)
     local values = vm.getValue(source)
+    local labels = {}
     for _, value in ipairs(values) do
         if value.type == 'function' then
-            local funcLabel = funcHover.label(value.source)
+            labels[#labels+1] = getLabel(value.source)
         end
     end
+
+    local label = table.concat(labels, '\n')
+    return {
+        label = label,
+    }
 end
 
 local function getHover(source)
     local isFunction = vm.hasType(source, 'function')
     if isFunction then
-        getHoverAsFunction(source)
+        return getHoverAsFunction(source)
     end
 end
 
diff --git a/server-beta/src/core/hover/label.lua b/server-beta/src/core/hover/label.lua
new file mode 100644
index 00000000..1dc66fc5
--- /dev/null
+++ b/server-beta/src/core/hover/label.lua
@@ -0,0 +1,14 @@
+local buildName = require 'core.hover.name'
+local buildArg  = require 'core.hover.arg'
+
+local function asFunction(source)
+    local name = buildName(source)
+    local arg  = buildArg(source)
+    return ('function %s(%s)'):format(name, arg)
+end
+
+return function (source)
+    if source.type == 'function' then
+        return asFunction(source)
+    end
+end
diff --git a/server-beta/src/core/hover/name.lua b/server-beta/src/core/hover/name.lua
new file mode 100644
index 00000000..d0caf885
--- /dev/null
+++ b/server-beta/src/core/hover/name.lua
@@ -0,0 +1,16 @@
+local function asLocal(source)
+    return source[1]
+end
+
+return function (source)
+    local parent = source.parent
+    if not parent then
+        return ''
+    end
+    if parent.type == 'local'
+    or parent.type == 'getlocal'
+    or parent.type == 'setlocal' then
+        return asLocal(parent)
+    end
+    return ''
+end