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[qfcc] Implement field access to sub-algebra variables 

This makes working with the plethora of types a little easier still. The
check for an algebra expression in field_expr needed to be moved up
because the struct code thought the algebra type was a normal vector.
This commit is contained in:
Bill Currie 2023-09-10 10:53:59 +09:00
parent 55fc343383
commit 97624b84aa
2 changed files with 13 additions and 3 deletions
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4
tools/qfcc/source/expr.c
View File

@ -1547,6 +1547,8 @@ field_expr (expr_t *e1, expr_t *e2)
e1 = cast_expr (pointer_type (ivar->type), e1);
return unary_expr ('.', e1);
}
} else if (is_algebra (t1)) {
return algebra_field_expr (e1, e2);
} else if (is_nonscalar (t1) || is_struct (t1) || is_union (t1)) {
symbol_t *field;
@ -1587,8 +1589,6 @@ field_expr (expr_t *e1, expr_t *e2)
return new_offset_alias_expr (field->type, e1, field->s.offset);
}
}
} else if (is_algebra (t1)) {
return algebra_field_expr (e1, e2);
} else if (is_class (t1)) {
//Class instance variables aren't allowed and thus declaring one
//is treated as an error, so this is a follow-on error.

12
tools/qfcc/source/expr_algebra.c
View File

@ -2267,5 +2267,15 @@ algebra_field_expr (expr_t *mvec, expr_t *field_name)
}
return new_offset_alias_expr (field->type, mvec, field->s.offset);
}
internal_error (mvec, "not implemented");
if (mvec->type == ex_multivec) {
internal_error (mvec, "not implemented");
} else {
auto multivec = mvec_type->t.multivec;
auto mvec_struct = multivec->mvec_sym->type;
auto field = get_struct_field (mvec_struct, mvec, field_name);
if (!field) {
return mvec;
}
return new_offset_alias_expr (field->type, mvec, field->s.offset);
}
}