marrub
/
LithOS3
1
0
Fork 0
Code Releases Activity

Token: Add TOK_Minus and fix negative numbers

master
Marrub 2016-11-21 00:58:32 -05:00
parent 52d431acb9
commit 07bf122fdc
2 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lithos_c/inc/Lth_token.h
View File

@ -22,6 +22,7 @@ Lth_X(Number)
Lth_X(Space )
Lth_X(String)
Lth_X(Minus ) // -
Lth_X(Dot ) // .
Lth_X(Equals) // =
Lth_X(Semico) // ;

8
lithos_c/src/token.c
View File

@ -50,6 +50,11 @@ void Lth_TokenGet(FILE *fp, Lth_Token *out)
case '\n': Lth_TokenSet(out, LnEnd ); return;
case '-':
if(isdigit(Lth_fpeekc(fp))) break;
Lth_TokenSet(out, Minus);
return;
case '.':
if(isdigit(Lth_fpeekc(fp))) break;
Lth_TokenSet(out, Dot);
@ -75,6 +80,7 @@ void Lth_TokenGet(FILE *fp, Lth_Token *out)
char beg = ch;
ACS_BeginPrint();
while((ch = fgetc(fp)) != beg && ch != EOF)
{
if(ch != '\\')
@ -94,7 +100,7 @@ void Lth_TokenGet(FILE *fp, Lth_Token *out)
return;
}
if(isdigit(ch) || ch == '.')
if(isdigit(ch) || ch == '.' || ch == '-')
{
ACS_BeginPrint();