fix ya.make

1 files changed, 63 insertions, 0 deletions

diff --git a/library/cpp/config/support/pp.lua b/library/cpp/config/support/pp.lua
new file mode 100644
index 0000000000..d6a85653a2
--- /dev/null
+++ b/library/cpp/config/support/pp.lua
@@ -0,0 +1,63 @@
+local function off(i)
+    local ss = ''
+    local j = 0
+
+    while j < i do
+        ss = ss .. '    '
+        j = j + 1
+    end
+
+    return ss
+end
+
+local function fmtkey(key)
+    if type(key) == 'string' and key:match('^[_%a][_%w]*$') then
+        return key
+    end
+
+    return '[' .. string.format('%q', key) .. ']'
+end
+
+local function pp(v, i)
+    if type(v) == "string" then
+        return string.format('%q', v)
+    end
+
+    if type(v) == "number" then
+        return tostring(v)
+    end
+
+    if type(v) == "nil" then
+        return 'nil'
+    end
+
+    if type(v) == "boolean" then
+        return tostring(v)
+    end
+
+    if type(v) == "table" then
+        local ret = "{\n"
+        local curoff = 1
+
+        for x, y in pairs(v) do
+            if type(x) == 'number' and x == curoff then
+                ret = ret .. off(i + 1) .. pp(y, i + 1) .. ';\n'
+                curoff = curoff + 1
+            else
+                ret = ret .. off(i + 1) .. fmtkey(x) .. " = " .. pp(y, i + 1) .. ';\n'
+            end
+        end
+
+        return ret .. off(i) .. "}"
+    end
+
+    if v == nil then
+        return 'nil'
+    end
+
+    return ""
+end
+
+local function prettify(v)
+    return pp(v, 0)
+end