remove redundant 'do' blocks in code generation.

1 files changed, 62 insertions, 74 deletions

diff --git a/spec/outputs/unicode/destructure.lua b/spec/outputs/unicode/destructure.lua
index 002c4b0..7263d49 100644
--- a/spec/outputs/unicode/destructure.lua
+++ b/spec/outputs/unicode/destructure.lua
@@ -127,11 +127,9 @@ do
         end
 end
 do
-        do
-                local _with_0 = _u4e1c_u897f
-                local _u5143_u7d20a, _u5143_u7d20b = _with_0[1], _with_0[2]
-                _u6253_u5370(_u5143_u7d20a, _u5143_u7d20b)
-        end
+        local _with_0 = _u4e1c_u897f
+        local _u5143_u7d20a, _u5143_u7d20b = _with_0[1], _with_0[2]
+        _u6253_u5370(_u5143_u7d20a, _u5143_u7d20b)
 end
 do
         local _u4e1c_u897f = nil
@@ -320,11 +318,9 @@ do
                         _tmp_0 = _obj_0["函数"]
                 end
                 if _tmp_0 == nil then
-                        do
-                                local _obj_0 = _u9879_u76ee
-                                if _obj_0 ~= nil then
-                                        _tmp_0 = _obj_0["默认值"]
-                                end
+                        local _obj_0 = _u9879_u76ee
+                        if _obj_0 ~= nil then
+                                _tmp_0 = _obj_0["默认值"]
                         end
                 end
                 a_u5bf9_u8c61["b字段"](function()
@@ -436,11 +432,9 @@ do
         end
         local _u53d8_u91cfy1, _u53d8_u91cfy4
         local _u5b57_u6bb5y2, _u5b57_u6bb5y3
-        do
-                local _obj_0, _obj_1 = _u51fd_u65702()
-                _u53d8_u91cfy1, _u53d8_u91cfy4 = _u51fd_u65701(), _obj_1
-                _u5b57_u6bb5y2, _u5b57_u6bb5y3 = _obj_0["字段y2"], _obj_0["字段y3"]
-        end
+        local _obj_0, _obj_1 = _u51fd_u65702()
+        _u53d8_u91cfy1, _u53d8_u91cfy4 = _u51fd_u65701(), _obj_1
+        _u5b57_u6bb5y2, _u5b57_u6bb5y3 = _obj_0["字段y2"], _obj_0["字段y3"]
 end
 do
         local _u53d8_u91cfv1, _u53d8_u91cfv2, _u53d8_u91cfv3, _u53d8_u91cfv4
@@ -470,11 +464,9 @@ do
 end
 do
         local _u503c, _u5143_u503c
-        do
-                local _obj_0 = _u5bf9_u8c61tb
-                _u503c = _obj_0[_u540d_u79f0]
-                _u5143_u503c = getmetatable(_obj_0)[_u540d_u79f0]
-        end
+        local _obj_0 = _u5bf9_u8c61tb
+        _u503c = _obj_0[_u540d_u79f0]
+        _u5143_u503c = getmetatable(_obj_0)[_u540d_u79f0]
 end
 do
         local tostring, add
@@ -487,24 +479,22 @@ do
                         end)
                 end
         end
-        do
-                local _exp_0 = _u5bf9_u8c61tb
-                local _type_0 = type(_exp_0)
-                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
-                if _tab_0 then
-                        local name, _u5143_u5b57_u6bb5
-                        do
-                                local _obj_0 = getmetatable(_exp_0)
-                                name = _obj_0.__name
-                                _u5143_u5b57_u6bb5 = _obj_0["123"]
-                                if name == nil then
-                                        name = "项目"
-                                end
-                        end
-                        if _u5143_u5b57_u6bb5 ~= nil then
-                                _u6253_u5370(name, _u5143_u5b57_u6bb5)
+        local _exp_0 = _u5bf9_u8c61tb
+        local _type_0 = type(_exp_0)
+        local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+        if _tab_0 then
+                local name, _u5143_u5b57_u6bb5
+                do
+                        local _obj_0 = getmetatable(_exp_0)
+                        name = _obj_0.__name
+                        _u5143_u5b57_u6bb5 = _obj_0["123"]
+                        if name == nil then
+                                name = "项目"
                         end
                 end
+                if _u5143_u5b57_u6bb5 ~= nil then
+                        _u6253_u5370(name, _u5143_u5b57_u6bb5)
+                end
         end
 end
 do
@@ -586,52 +576,50 @@ do
                         _u6253_u5370(add, _u5b57_u6bb5)
                 end
         end
-        do
-                local _exp_0 = tb
-                local _type_0 = type(_exp_0)
-                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
-                if _tab_0 then
-                        do
-                                local _obj_0 = _exp_0["字段c"]
-                                local _type_1 = type(_obj_0)
-                                if "table" == _type_1 or "userdata" == _type_1 then
-                                        do
-                                                local _obj_1 = getmetatable(_obj_0)
-                                                local _type_2 = type(_obj_1)
-                                                if "table" == _type_2 or "userdata" == _type_2 then
-                                                        _u5143_u5b57_u6bb5 = _obj_1["字段abc"]
-                                                end
+        local _exp_0 = tb
+        local _type_0 = type(_exp_0)
+        local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+        if _tab_0 then
+                do
+                        local _obj_0 = _exp_0["字段c"]
+                        local _type_1 = type(_obj_0)
+                        if "table" == _type_1 or "userdata" == _type_1 then
+                                do
+                                        local _obj_1 = getmetatable(_obj_0)
+                                        local _type_2 = type(_obj_1)
+                                        if "table" == _type_2 or "userdata" == _type_2 then
+                                                _u5143_u5b57_u6bb5 = _obj_1["字段abc"]
                                         end
                                 end
                         end
-                        if _u5143_u5b57_u6bb5 == nil then
-                                _u5143_u5b57_u6bb5 = "默认值"
-                        end
+                end
+                if _u5143_u5b57_u6bb5 == nil then
+                        _u5143_u5b57_u6bb5 = "默认值"
+                end
+                do
+                        local _obj_0 = getmetatable(_exp_0)
                         do
-                                local _obj_0 = getmetatable(_exp_0)
-                                do
-                                        local _obj_1 = _obj_0[ [[any string]]]
-                                        local _type_1 = type(_obj_1)
-                                        if "table" == _type_1 or "userdata" == _type_1 then
-                                                _u53d8_u91cfabc = _obj_1["字段d"]
-                                        end
-                                end
-                                do
-                                        local _obj_1 = _obj_0['字符串']
-                                        local _type_1 = type(_obj_1)
-                                        if "table" == _type_1 or "userdata" == _type_1 then
-                                                _u6709_u9ed8_u8ba4_u503c = _obj_1["字段e"]
-                                        end
-                                end
-                                if _u53d8_u91cfabc == nil then
-                                        _u53d8_u91cfabc = 123
+                                local _obj_1 = _obj_0[ [[any string]]]
+                                local _type_1 = type(_obj_1)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        _u53d8_u91cfabc = _obj_1["字段d"]
                                 end
-                                if _u6709_u9ed8_u8ba4_u503c == nil then
-                                        _u6709_u9ed8_u8ba4_u503c = { }
+                        end
+                        do
+                                local _obj_1 = _obj_0['字符串']
+                                local _type_1 = type(_obj_1)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        _u6709_u9ed8_u8ba4_u503c = _obj_1["字段e"]
                                 end
                         end
-                        _u6253_u5370(_u5143_u5b57_u6bb5, _u53d8_u91cfabc, _u6709_u9ed8_u8ba4_u503c)
+                        if _u53d8_u91cfabc == nil then
+                                _u53d8_u91cfabc = 123
+                        end
+                        if _u6709_u9ed8_u8ba4_u503c == nil then
+                                _u6709_u9ed8_u8ba4_u503c = { }
+                        end
                 end
+                _u6253_u5370(_u5143_u5b57_u6bb5, _u53d8_u91cfabc, _u6709_u9ed8_u8ba4_u503c)
         end
 end
 return nil