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Avoid segfaulting on errors.

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This commit is contained in:
Bill Currie 2011-02-01 21:18:39 +09:00
parent 80ce179bc2
commit d11d128c96
1 changed files with 5 additions and 2 deletions
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7
tools/qfcc/source/function.c
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@ -527,11 +527,12 @@ begin_function (symbol_t *sym, const char *nicename, symtab_t *parent)
{
if (sym->sy_type != sy_func) {
error (0, "%s is not a function", sym->name);
return 0;
sym = new_symbol_type (sym->name, &type_function);
sym = function_symbol (sym, 1, 1);
}
if (sym->s.func && sym->s.func->def && sym->s.func->def->initialized) {
error (0, "%s redefined", sym->name);
return 0;
sym = function_symbol (new_symbol (sym->name), 1, 1);
}
make_function (sym, nicename, current_storage);
if (!sym->s.func->def->external) {
@ -560,6 +561,8 @@ begin_function (symbol_t *sym, const char *nicename, symtab_t *parent)
function_t *
build_code_function (symbol_t *fsym, expr_t *state_expr, expr_t *statements)
{
if (fsym->sy_type != sy_func) // probably in error recovery
return 0;
build_function (fsym->s.func);
if (state_expr) {
state_expr->next = statements;