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Implemented 2-character operators.

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This commit is contained in:
Guido van Rossum 1991-10-20 20:20:00 +00:00
parent 2df7bcca97
commit c64d04dedd
1 changed files with 20 additions and 11 deletions
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31
Parser/grammar.c
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@ -212,21 +212,30 @@ translabel(g, lb)
if (p) if (p)
*p = '\0'; *p = '\0';
} }
else { else if (lb->lb_str[2] == lb->lb_str[0]) {
if (lb->lb_str[2] == lb->lb_str[0]) { int type = (int) tok_1char(lb->lb_str[1]);
int type = (int) tok_1char(lb->lb_str[1]); if (type != OP) {
if (type != OP) { lb->lb_type = type;
lb->lb_type = type; lb->lb_str = NULL;
lb->lb_str = NULL;
}
else
printf("Unknown OP label %s\n",
lb->lb_str);
} }
else else
printf("Can't translate STRING label %s\n", printf("Unknown OP label %s\n",
lb->lb_str); lb->lb_str);
} }
else if (lb->lb_str[2] && lb->lb_str[3] == lb->lb_str[0]) {
int type = (int) tok_2char(lb->lb_str[1],
lb->lb_str[2]);
if (type != OP) {
lb->lb_type = type;
lb->lb_str = NULL;
}
else
printf("Unknown OP label %s\n",
lb->lb_str);
}
else
printf("Can't translate STRING label %s\n",
lb->lb_str);
} }
else else
printf("Can't translate label '%s'\n", labelrepr(lb)); printf("Can't translate label '%s'\n", labelrepr(lb));