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bail out when encountering an invalid array size in the ast as it's likely to cause breakage when trying to generate them anyway

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Wolfgang Bumiller 2013-08-27 10:09:31 +02:00
parent 147a6df629
commit 844e84fc16
1 changed files with 7 additions and 2 deletions
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9
ast.c
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@ -1396,8 +1396,10 @@ bool ast_global_codegen(ast_value *self, ir_builder *ir, bool isfield)
} }
/* we are lame now - considering the way QC works we won't tolerate arrays > 1024 elements */ /* we are lame now - considering the way QC works we won't tolerate arrays > 1024 elements */
if (!array->expression.count || array->expression.count > OPTS_OPTION_U32(OPTION_MAX_ARRAY_SIZE)) if (!array->expression.count || array->expression.count > OPTS_OPTION_U32(OPTION_MAX_ARRAY_SIZE)) {
compile_error(ast_ctx(self), "Invalid array of size %lu", (unsigned long)array->expression.count); compile_error(ast_ctx(self), "Invalid array of size %lu", (unsigned long)array->expression.count);
return false;
}
elemtype = array->expression.next; elemtype = array->expression.next;
vtype = elemtype->vtype; vtype = elemtype->vtype;
@ -1463,8 +1465,10 @@ bool ast_global_codegen(ast_value *self, ir_builder *ir, bool isfield)
} }
/* same as with field arrays */ /* same as with field arrays */
if (!self->expression.count || self->expression.count > OPTS_OPTION_U32(OPTION_MAX_ARRAY_SIZE)) if (!self->expression.count || self->expression.count > OPTS_OPTION_U32(OPTION_MAX_ARRAY_SIZE)) {
compile_error(ast_ctx(self), "Invalid array of size %lu", (unsigned long)self->expression.count); compile_error(ast_ctx(self), "Invalid array of size %lu", (unsigned long)self->expression.count);
return false;
}
v = ir_builder_create_global(ir, self->name, vtype); v = ir_builder_create_global(ir, self->name, vtype);
if (!v) { if (!v) {
@ -1603,6 +1607,7 @@ static bool ast_local_codegen(ast_value *self, ir_function *func, bool param)
/* we are lame now - considering the way QC works we won't tolerate arrays > 1024 elements */ /* we are lame now - considering the way QC works we won't tolerate arrays > 1024 elements */
if (!self->expression.count || self->expression.count > OPTS_OPTION_U32(OPTION_MAX_ARRAY_SIZE)) { if (!self->expression.count || self->expression.count > OPTS_OPTION_U32(OPTION_MAX_ARRAY_SIZE)) {
compile_error(ast_ctx(self), "Invalid array of size %lu", (unsigned long)self->expression.count); compile_error(ast_ctx(self), "Invalid array of size %lu", (unsigned long)self->expression.count);
return false;
} }
self->ir_values = (ir_value**)mem_a(sizeof(self->ir_values[0]) * self->expression.count); self->ir_values = (ir_value**)mem_a(sizeof(self->ir_values[0]) * self->expression.count);