eleveyuan / eleveyuan/Sql2Graph
vector推入一个元素为赋值的对象,元素赋值后于这个行为
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- C++
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Description
``` c++
virtual antlrcpp::Any visitColumnDefinition(MySqlParser::ColumnDefinitionContext *ctx) override {
entity->columnType = ctx->dataType()->getText();
// little tricky, 个人不知道这一行为是否安全, 需要后续验证 TODO
// 加入vector, 但是commentSr还没访问到,但是对象已经生成,后续visit会将commentStr的地址填上相应的数据
appendItem(*entity);
return visitChildren(ctx);
}
virtual antlrcpp::Any visitCommentColumnConstraint(MySqlParser::CommentColumnConstraintContext *ctx) override {
entity->commentStr = ctx->STRING_LITERAL()->getText();
return visitChildren(ctx);
}
```
这段代码,个人无法确定是否安全
语法树的访问顺序就是visitColumnDefinition->visitCommentColumnConstraint,
但是我的对象推入vector顺序先于对象元素填充的顺序(对象元素已经实例化,对string这个类还不太了解)
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