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ir_reader: Read record_refs.

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Also changes the print visitor to not emit extraneous parenthesis.
This commit is contained in:
Kenneth Graunke 2010-05-26 15:20:59 -07:00 • committed by Ian Romanick
parent 350bd70348
commit 13e1b6b725
2 changed files with 19 additions and 3 deletions
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2
ir_print_visitor.cpp
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@ -181,7 +181,7 @@ void ir_print_visitor::visit(ir_dereference_record *ir)
{
printf("(record_ref ");
ir->record->accept(this);
printf("(%s)) ", ir->field);
printf(" %s) ", ir->field);
}

20
ir_reader.cpp
View file

@ -862,6 +862,22 @@ read_array_ref(_mesa_glsl_parse_state *st, s_list *list)
static ir_dereference *
read_record_ref(_mesa_glsl_parse_state *st, s_list *list)
{
ir_read_error(st, list, "FINISHME: record refs not yet supported.");
return NULL;
if (list->length() != 3) {
ir_read_error(st, list, "expected (record_ref <rvalue> <field>)");
return NULL;
}
s_expression *subj_expr = (s_expression*) list->subexpressions.head->next;
ir_rvalue *subject = read_rvalue(st, subj_expr);
if (subject == NULL) {
ir_read_error(st, NULL, "when reading the subject of a record_ref");
return NULL;
}
s_symbol *field = SX_AS_SYMBOL(subj_expr->next);
if (field == NULL) {
ir_read_error(st, list, "expected (record_ref ... <field name>)");
return NULL;
}
return new ir_dereference_record(subject, field->value());
}