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Implement struct field access via a pointer.

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This commit is contained in:
Bill Currie 2011-02-07 22:15:10 +09:00
parent 7a1a9e3f2d
commit 92799650c0
1 changed files with 13 additions and 0 deletions
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13
tools/qfcc/source/expr.c
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@ -842,6 +842,19 @@ field_expr (expr_t *e1, expr_t *e2)
} }
} else if (t1->type == ev_pointer) { } else if (t1->type == ev_pointer) {
if (is_struct (t1->t.fldptr.type)) { if (is_struct (t1->t.fldptr.type)) {
symtab_t *strct = t1->t.fldptr.type->t.symtab;
symbol_t *sym = e2->e.symbol;//FIXME need to check
symbol_t *field;
field = symtab_lookup (strct, sym->name);
if (!field)
return new_error_expr ();
e2->type = ex_value;
e2->e.value.type = ev_short;
e2->e.value.v.short_val = field->s.offset;
e = new_binary_expr ('&', e1, e2);
e->e.expr.type = pointer_type (field->type);
return unary_expr ('.', e);
} else if (is_class (t1->t.fldptr.type)) { } else if (is_class (t1->t.fldptr.type)) {
class_t *class = t1->t.fldptr.type->t.class; class_t *class = t1->t.fldptr.type->t.class;
symbol_t *sym = e2->e.symbol;//FIXME need to check symbol_t *sym = e2->e.symbol;//FIXME need to check