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add 'not equal' operator

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This commit is contained in:
r4
2021-12-26 12:19:54 +01:00
parent 1f47b5e16c
commit 18d6e7b7df
8 changed files with 34 additions and 11 deletions
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18
lex.c
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@@ -222,18 +222,27 @@ TokList lex(const char *s, Pool *static_vars) {
continue;
}
break;
case '!':
consume(&pos, *(s++));
if (s[0] == '=')
emit(&toks, &pos, (Tok){ .kind = TokOp, .Op = OpNeq, });
else {
emit(&toks, &pos, (Tok){ .kind = TokOp, .Op = OpNot, });
continue;
}
break;
case '&':
consume(&pos, *(s++));
if (s[0] == '&') {
if (s[0] == '&')
emit(&toks, &pos, (Tok){ .kind = TokOp, .Op = OpAnd });
} else
else
continue;
break;
case '|':
consume(&pos, *(s++));
if (s[0] == '|') {
if (s[0] == '|')
emit(&toks, &pos, (Tok){ .kind = TokOp, .Op = OpOr });
} else
else
continue;
break;
case '{':
@@ -244,7 +253,6 @@ TokList lex(const char *s, Pool *static_vars) {
case '+':
case '-':
case '*':
case '!':
emit(&toks, &pos, (Tok){
.kind = TokOp,
.Op = s[0],