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Make the parser support as many identifiers on the LHS in for in loops to improve error messages

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gingerBill
2021-03-24 12:11:00 +00:00
parent 295c1550a8
commit 0e3ecc350a
5 changed files with 45 additions and 53 deletions
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src/llvm_backend.cpp
+10 -10
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@@ -3889,19 +3889,19 @@ void lb_build_range_stmt(lbProcedure *p, AstRangeStmt *rs, Scope *scope) {
Type *val0_type = nullptr;
Type *val1_type = nullptr;
if (rs->val0 != nullptr && !is_blank_ident(rs->val0)) {
val0_type = type_of_expr(rs->val0);
if (rs->vals.count > 0 && rs->vals[0] != nullptr && !is_blank_ident(rs->vals[0])) {
val0_type = type_of_expr(rs->vals[0]);
}
if (rs->val1 != nullptr && !is_blank_ident(rs->val1)) {
val1_type = type_of_expr(rs->val1);
if (rs->vals.count > 1 && rs->vals[1] != nullptr && !is_blank_ident(rs->vals[1])) {
val1_type = type_of_expr(rs->vals[1]);
}
if (val0_type != nullptr) {
Entity *e = entity_of_node(rs->val0);
Entity *e = entity_of_node(rs->vals[0]);
lb_add_local(p, e->type, e, true);
}
if (val1_type != nullptr) {
Entity *e = entity_of_node(rs->val1);
Entity *e = entity_of_node(rs->vals[1]);
lb_add_local(p, e->type, e, true);
}
@@ -4002,11 +4002,11 @@ void lb_build_range_stmt(lbProcedure *p, AstRangeStmt *rs, Scope *scope) {
if (is_map) {
if (val0_type) lb_store_range_stmt_val(p, rs->val0, key);
if (val1_type) lb_store_range_stmt_val(p, rs->val1, val);
if (val0_type) lb_store_range_stmt_val(p, rs->vals[0], key);
if (val1_type) lb_store_range_stmt_val(p, rs->vals[1], val);
} else {
if (val0_type) lb_store_range_stmt_val(p, rs->val0, val);
if (val1_type) lb_store_range_stmt_val(p, rs->val1, key);
if (val0_type) lb_store_range_stmt_val(p, rs->vals[0], val);
if (val1_type) lb_store_range_stmt_val(p, rs->vals[1], key);
}
lb_push_target_list(p, rs->label, done, loop, nullptr);