Mercurial > hg-old > index.cgi
diff src/symbol.c @ 40:d2cee0c335e7
adjusted symbol rules to accept symbols starting with @ but not @<digit>
author | lost |
---|---|
date | Sat, 03 Jan 2009 19:41:39 +0000 |
parents | 538e15927776 |
children | b9856da2674a |
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--- a/src/symbol.c Sat Jan 03 19:20:44 2009 +0000 +++ b/src/symbol.c Sat Jan 03 19:41:39 2009 +0000 @@ -29,6 +29,11 @@ #include "lwasm.h" #include "util.h" +/* +Note that this function may accept symbols that the expression evaluator doesn't +recognize because the expression evaluator must avoid all ambiguity in order +to achieve predictable results. The checks here are simply a fuzz check. +*/ int lwasm_register_symbol(asmstate_t *as, lwasm_line_t *l, char *sym, int val) { lwasm_symbol_ent_t *se, *se2; @@ -47,6 +52,12 @@ return -1; } + if (*sym == '@' && isdigit(sym[1])) + { + register_error(as, l, 1, "Bad symbol: %s", sym); + return -1; + } + for (p = sym; *p; p++) { if (!strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz._$?@0123456789", *sym) && (unsigned char)*sym < 0x80)