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CnWizards IDE Wizards
» 函数列表“Match All Parts”在10.4不对
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Subject: 函数列表“Match All Parts”在10.4不对
hq200306
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#1
Post at 2020-5-29 22:07
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P.M.
函数列表“Match All Parts”在10.4不对
我从github下了最新的cnpack,编译安装在10.4,发现函数列表“Match All Parts”在10.4不对,只能匹配一个字符,但10.3的正确
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(2020-5-29 22:07, 106.66 K)
Passion
(LiuXiao)
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#2
Post at 2020-6-2 11:32
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P.M.
已修正,下一每日构建版鸡翅。
原因是10.4的编译器对PChar与Char形式的转换做了限制,导致行为改变了,详情如下:
假设有一个函数,用PWideChar类型的参数来实际传递一个WideChar,(嫑笑,好多个Windows API就是这么设计的):
function Test(C: PWideChar): WideChar;
begin
Result := WideChar(C);
end;
假设如此调用:
var
C: WideChar;
begin
C := 'a';
C := Test(PWideChar(C));
10.3或以下版本,C仍然得到'a'。但10.4版里,C就得到一个乱码。
Passion
(LiuXiao)
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#3
Post at 2020-6-2 11:33
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P.M.
鸡翅->集成。
hq200306
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#4
Post at 2020-6-2 16:38
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P.M.
试了,现在可以了
hq200306
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#5
Post at 2020-6-2 16:43
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P.M.
//pascal
function Test(C: PWideChar): WideChar;
begin
Result := C^;
end;
//
var
C: WideChar;
begin
C := 'a';
C := Test(@c);
[
本帖最后由 hq200306 于 2020-6-2 16:51 编辑
]
hq200306
灌水科科长
UID 67758
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#6
Post at 2020-6-2 16:56
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P.M.
我对比了下10.4,10.3的汇编,10.4编译器将“a”转成字符串,再调用,区别太大了
var
C: WideChar;
begin
C := 'a';
C := Test(PWideChar(C));
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