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Allow ranges for array-like compound literals

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This commit is contained in:
gingerBill
2019-10-26 14:06:29 +01:00
parent 94879ed149
commit 7fae890ef9
9 changed files with 345 additions and 170 deletions
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src/ir_print.cpp
+39 -9
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@@ -887,17 +887,47 @@ void ir_print_exact_value(irFileBuffer *f, irModule *m, ExactValue value, Type *
for (isize j = 0; j < elem_count; j++) {
Ast *elem = cl->elems[j];
ast_node(fv, FieldValue, elem);
TypeAndValue index_tav = fv->field->tav;
GB_ASSERT(index_tav.mode == Addressing_Constant);
i64 index = exact_value_to_i64(index_tav.value);
if (index == i) {
TypeAndValue tav = fv->value->tav;
if (tav.mode != Addressing_Constant) {
if (is_ast_range(fv->field)) {
ast_node(ie, BinaryExpr, fv->field);
TypeAndValue lo_tav = ie->left->tav;
TypeAndValue hi_tav = ie->right->tav;
GB_ASSERT(lo_tav.mode == Addressing_Constant);
GB_ASSERT(hi_tav.mode == Addressing_Constant);
TokenKind op = ie->op.kind;
i64 lo = exact_value_to_i64(lo_tav.value);
i64 hi = exact_value_to_i64(hi_tav.value);
if (op == Token_Ellipsis) {
hi += 1;
}
if (lo == i) {
TypeAndValue tav = fv->value->tav;
if (tav.mode != Addressing_Constant) {
break;
}
for (i64 k = lo; k < hi; k++) {
if (k > lo) ir_write_str_lit(f, ", ");
ir_print_compound_element(f, m, tav.value, elem_type);
}
found = true;
i += (hi-lo-1);
break;
}
} else {
TypeAndValue index_tav = fv->field->tav;
GB_ASSERT(index_tav.mode == Addressing_Constant);
i64 index = exact_value_to_i64(index_tav.value);
if (index == i) {
TypeAndValue tav = fv->value->tav;
if (tav.mode != Addressing_Constant) {
break;
}
ir_print_compound_element(f, m, tav.value, elem_type);
found = true;
break;
}
ir_print_compound_element(f, m, tav.value, elem_type);
found = true;
break;
}
}