#include #include using namespace std;
/* 作用域和分层功能，尚未实装 */
/* TODO: 将本部分加入【定义类】的位置 */ #if(0)
class variable { public: string name; int vid; variable(string name, int vid) { this->name = name; this->vid = vid; } }; class layer { public: vector varies; int lindex; layer(vector varies, int lindex) { this->varies = varies; this->lindex = lindex; } }; vector layers; vector curlayer;
#endif
/* TODO: 将本部分加入【定义变量】的位置 */ #if(0)
int preflag = 0; vector l; if(!layers.empty()) { l = layers[layers.size()-1].varies; } for(int i = l.size();i < curlayer.size();i++) { if(curlayer[i].name == yytext) { printf("ParseError: this variable presents.\n"); preflag = 1; break; } } if(!preflag) curlayer.push_back(variable(yytext, curlayer.size()));
#endif
/* TODO: 将本部分加入【新作用域左界】的位置 */ #if(0)
layers.push_back(layer(curlayer, lid++));
#endif
/* TODO: 将本部分加入【新作用域右界】的位置 */ #if(0)
while(!curlayer.empty()) { // printf("layer: %d", lid); variable tmpv = curlayer[curlayer.size()-1]; // printf(" %s %d\n", tmpv.name.c_str(), tmpv.vid); curlayer.pop_back(); } curlayer = layers[layers.size()-1].varies; lid--;
#endif
/* TODO: 将本部分加入【新作用域右界】的位置 */ #if(0)
int preflag = 0; vector l; if(!layers.empty()) { l = layers[layers.size()-1].varies; } for(int i = l.size();i < curlayer.size();i++) { if(curlayer[i].name == yytext) { printf("ParseError: this variable presents.\n"); preflag = 1; break; } } if(!preflag) curlayer.push_back(variable(yytext, curlayer.size()));
#endif