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gc changed to mark-sweep

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This commit is contained in:
Valk Richard Li
2021-03-27 01:08:05 +08:00
parent 569d5c6c6a
commit 144e6f45da
15 changed files with 1678 additions and 2000 deletions
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test/lexer.nas
+59 -62
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@@ -1,60 +1,60 @@
import("lib.nas");
var s=split('',io.fin(input()));
var s=io.fin(input());
var len=size(s);
var ptr=0;
var cnt=0;
var token=[];
var jump_note=func()
{
while(ptr<len and s[ptr]!='\n')
while(ptr<len and chr(s[ptr])!='\n')
ptr+=1;
ptr+=1;
return;
}
var generate_id=func()
{
var tmp="";
while(ptr<len)
{
if('a'<=s[ptr] and s[ptr]<='z'
or 'A'<=s[ptr] and s[ptr]<='Z'
or s[ptr]=='_'
or '0'<=s[ptr] and s[ptr]<='9')
tmp~=s[ptr];
if('a'<=chr(s[ptr]) and chr(s[ptr])<='z'
or 'A'<=chr(s[ptr]) and chr(s[ptr])<='Z'
or chr(s[ptr])=='_'
or '0'<=chr(s[ptr]) and chr(s[ptr])<='9')
tmp~=chr(s[ptr]);
else
break;
ptr+=1;
}
return tmp;
}
var generate_str=func()
{
var tok_str="";
var mark=s[ptr];
var mark=chr(s[ptr]);
ptr+=1;
while(ptr<len and s[ptr]!=mark)
while(ptr<len and chr(s[ptr])!=mark)
{
if(s[ptr]=='\\')
if(chr(s[ptr])=='\\')
{
ptr+=1;
if(s[ptr]=='a') tok_str~='\a';
elsif(s[ptr]=='b') tok_str~='\b';
elsif(s[ptr]=='f') tok_str~='\f';
elsif(s[ptr]=='n') tok_str~='\n';
elsif(s[ptr]=='r') tok_str~='\r';
elsif(s[ptr]=='t') tok_str~='\t';
elsif(s[ptr]=='v') tok_str~='\v';
elsif(s[ptr]=='?') tok_str~='?';
elsif(s[ptr]=='0') tok_str~='\0';
elsif(s[ptr]=='\\') tok_str~='\\';
elsif(s[ptr]=='\'') tok_str~='\'';
elsif(s[ptr]=='\"') tok_str~='\"';
else tok_str~=s[ptr];
if(chr(s[ptr])=='a') tok_str~='\a';
elsif(chr(s[ptr])=='b') tok_str~='\b';
elsif(chr(s[ptr])=='f') tok_str~='\f';
elsif(chr(s[ptr])=='n') tok_str~='\n';
elsif(chr(s[ptr])=='r') tok_str~='\r';
elsif(chr(s[ptr])=='t') tok_str~='\t';
elsif(chr(s[ptr])=='v') tok_str~='\v';
elsif(chr(s[ptr])=='?') tok_str~='?';
elsif(chr(s[ptr])=='0') tok_str~='\0';
elsif(chr(s[ptr])=='\\') tok_str~='\\';
elsif(chr(s[ptr])=='\'') tok_str~='\'';
elsif(chr(s[ptr])=='\"') tok_str~='\"';
else tok_str~=chr(s[ptr]);
}
else
tok_str~=s[ptr];
tok_str~=chr(s[ptr]);
ptr+=1;
}
if(ptr>=len)
@@ -62,80 +62,77 @@ var generate_str=func()
ptr+=1;
return tok_str;
}
var generate_number=func()
{
var number=s[ptr];
var number=chr(s[ptr]);
ptr+=1;
if(s[ptr]=='x')
if(chr(s[ptr])=='x')
{
ptr+=1;
while(ptr<len and ('a'<=s[ptr] and s[ptr]<='f' or '0'<=s[ptr] and s[ptr]<='9'))
while(ptr<len and ('a'<=chr(s[ptr]) and chr(s[ptr])<='f' or '0'<=chr(s[ptr]) and chr(s[ptr])<='9'))
{
number~=s[ptr];
number~=chr(s[ptr]);
ptr+=1;
}
return num(number);
}
elsif(s[ptr]=='o')
elsif(chr(s[ptr])=='o')
{
ptr+=1;
while(ptr<len and ('0'<=s[ptr] and s[ptr]<='7'))
while(ptr<len and ('0'<=chr(s[ptr]) and chr(s[ptr])<='7'))
{
number~=s[ptr];
number~=chr(s[ptr]);
ptr+=1;
}
return num(number);
}
while(ptr<len and ('0'<=s[ptr] and s[ptr]<='9'))
while(ptr<len and ('0'<=chr(s[ptr]) and chr(s[ptr])<='9'))
{
number~=s[ptr];
number~=chr(s[ptr]);
ptr+=1;
}
if(s[ptr]=='.')
number~=s[ptr];
if(chr(s[ptr])=='.')
number~=chr(s[ptr]);
else
return num(number);
ptr+=1;
while(ptr<len and ('0'<=s[ptr] and s[ptr]<='9'))
while(ptr<len and ('0'<=chr(s[ptr]) and chr(s[ptr])<='9'))
{
number~=s[ptr];
number~=chr(s[ptr]);
ptr+=1;
}
if(s[ptr]=='e' or s[ptr]=='E')
number~=s[ptr];
if(chr(s[ptr])=='e' or chr(s[ptr])=='E')
number~=chr(s[ptr]);
else
return num(number);
ptr+=1;
if(s[ptr]=='-' or s[ptr]=='+')
if(chr(s[ptr])=='-' or chr(s[ptr])=='+')
{
number~=s[ptr];
number~=chr(s[ptr]);
ptr+=1;
}
while(ptr<len and ('0'<=s[ptr] and s[ptr]<='9'))
while(ptr<len and ('0'<=chr(s[ptr]) and chr(s[ptr])<='9'))
{
number~=s[ptr];
number~=chr(s[ptr]);
ptr+=1;
}
return num(number);
}
var generate_operator=func()
{
var tmp="";
if(s[ptr]=='+' or s[ptr]=='-' or s[ptr]=='~' or s[ptr]=='/' or s[ptr]=='*' or s[ptr]=='>' or s[ptr]=='<' or s[ptr]=='!' or s[ptr]=='=')
if(chr(s[ptr])=='+' or chr(s[ptr])=='-' or chr(s[ptr])=='~' or chr(s[ptr])=='/' or chr(s[ptr])=='*' or chr(s[ptr])=='>' or chr(s[ptr])=='<' or chr(s[ptr])=='!' or chr(s[ptr])=='=')
{
tmp=s[ptr];
tmp=chr(s[ptr]);
ptr+=1;
if(ptr<len and s[ptr]=='=')
if(ptr<len and chr(s[ptr])=='=')
{
tmp~=s[ptr];
tmp~=chr(s[ptr]);
ptr+=1;
}
return tmp;
}
elsif(s[ptr]=='.')
elsif(chr(s[ptr])=='.')
{
if(ptr+2<len and s[ptr+1]=='.' and s[ptr+2]=='.')
{
@@ -149,22 +146,21 @@ var generate_operator=func()
}
return tmp;
}
elsif(s[ptr]!=' ' and s[ptr]!='\t' and s[ptr]!='\n' and s[ptr]!='\r' and s[ptr][0]>0)
tmp=s[ptr];
elsif(chr(s[ptr])!=' ' and chr(s[ptr])!='\t' and chr(s[ptr])!='\n' and chr(s[ptr])!='\r' and chr(s[ptr])[0]>0)
tmp=chr(s[ptr]);
ptr+=1;
return tmp;
}
var cnt=0;
var token=[];
while(ptr<len)
{
if(s[ptr]=='#')
if(chr(s[ptr])=='#')
jump_note();
elsif('a'<=s[ptr] and s[ptr]<='z' or 'A'<=s[ptr] and s[ptr]<='Z' or s[ptr]=='_')
elsif('a'<=chr(s[ptr]) and chr(s[ptr])<='z' or 'A'<=chr(s[ptr]) and chr(s[ptr])<='Z' or chr(s[ptr])=='_')
append(token,generate_id());
elsif(s[ptr]=='\'' or s[ptr]=='\"')
elsif(chr(s[ptr])=='\'' or chr(s[ptr])=='\"')
append(token,generate_str());
elsif('0'<=s[ptr] and s[ptr]<='9')
elsif('0'<=chr(s[ptr]) and chr(s[ptr])<='9')
append(token,generate_number());
else
{
@@ -175,8 +171,9 @@ while(ptr<len)
if(ptr>=len)
break;
}
foreach(var i;token)
{
print("(",cnt," | ",i,")\n");
cnt+=1;
}
}