FGFS-4.1/simgear
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

simgear/nasal/lex.c: show line and column if illegal character is found.

Browse Source 
Makes it easier to track down e.g. missing quotes in Nasal source within .xml
files.
This commit is contained in:
Julian Smith 2021-06-06 12:42:26 +01:00
parent 95239fea87
commit 0da173cfd8
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
simgear/nasal/lex.c
View File

@ -1,5 +1,7 @@
#include "parse.h"
#include <stdio.h>
// Static table of recognized lexemes in the language
static const struct Lexeme {
char* str;
@ -391,6 +393,21 @@ void naLex(struct Parser* p)
newToken(p, i, TOK_SYMBOL, p->buf+i, symlen, 0);
i += symlen;
} else {
//const char* line_begin = p->buf;
int line = 1;
int column = 0;
for (int j=0; j<i; ++j) {
if (p->buf[j] == '\n') {
line += 1;
column = 0;
//line_begin = p->buf + j + 1;
}
else {
column += 1;
}
}
fprintf(stderr, "%s:%i: illegal character 0x%x at line=%i column=%i.\n",
__FILE__, __LINE__, c, line, column);
error(p, "illegal character", i);
}
}