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py: Issue an error when compiling Viper functions with more than 4 args. 

Otherwise it can be very hard to track down bugs.
This commit is contained in:
Damien George 2015-07-23 14:30:37 +01:00
parent e45c1dbd6f
commit f17e663493
1 changed files with 6 additions and 0 deletions
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6
py/emitnative.c
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@ -675,6 +675,12 @@ STATIC void emit_native_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scop
if (emit->do_viper_types) { if (emit->do_viper_types) {
// right now we have a restriction of maximum of 4 arguments
if (scope->num_pos_args >= 5) {
EMIT_NATIVE_VIPER_TYPE_ERROR(emit, "Viper functions don't currently support more than 4 arguments (while compiling '%q')", scope->simple_name); return;
return;
}
// entry to function // entry to function
int num_locals = 0; int num_locals = 0;
if (pass > MP_PASS_SCOPE) { if (pass > MP_PASS_SCOPE) {