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Nasal-Interpreter
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Valk Richard Li 2019-11-10 16:14:56 +08:00 committed by GitHub
parent 305dedfdc1
commit ed2910f708
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2 changed files with 12 additions and 10 deletions
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20
version1.3/ast.h
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@ -78,7 +78,9 @@ class abstract_syntax_tree
}
void set_var_string(std::string str)
{
var_string=str;
var_string="";
for(int i=1;i<(int)str.length()-1;++i)
var_string+=str[i];
return;
}
void set_var_number(std::string str)
@ -92,8 +94,8 @@ class abstract_syntax_tree
{
if(str[1]=='x')
{
int num=0;
int pw=1;
double num=0;
double pw=1;
for(int i=(int)str.length()-1;i>1;--i)
{
if('0'<=str[i] && str[i]<='9')
@ -102,20 +104,20 @@ class abstract_syntax_tree
num+=(10+str[i]-'a')*pw;
else if('A'<=str[i] && str[i]<='F')
num+=(10+str[i]-'A')*pw;
pw<<=4;
pw*=16;
}
var_number=(double)num;
var_number=num;
}
else
{
int num=0;
int pw=1;
double num=0;
double pw=1;
for(int i=(int)str.length()-1;i>1;--i)
{
num+=(str[i]-'0')*pw;
pw<<=3;
pw*=8;
}
var_number=(double)num;
var_number=num;
}
return;
}

2
version1.3/main.cpp
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@ -4,7 +4,7 @@ int main()
resource_programme_process prog;
nasal_lexer lex;
nasal_parser pas;
nasal_runtime vm;
nasal_vm vm;
std::string command;
std::cout<<">> Nasal interpreter by ValKmjolnir"<<std::endl;
std::cout<<">> Input [help] to find help."<<std::endl;