Function is_member_access_node

internal/cbm/helpers.c:560–580

Is `kind` a chained member/subscript access node? Language-agnostic generic set covering the common grammars; used only for the structural "access depth" smell, so unmatched grammars simply report 0 (never wrong, just silent).

// set covering the common grammars; used only for the structural "access depth"
// smell, so unmatched grammars simply report 0 (never wrong, just silent).
static bool is_member_access_node(const char *kind) {
    static const char *const access[] = {"member_expression",
                                         "field_expression",
                                         "selector_expression",
                                         "field_access",
                                         "member_access_expression",
                                         "navigation_expression",
                                         "attribute",
                                         "subscript_expression",
                                         "subscript",
                                         "index_expression",
                                         "element_access_expression",
                                         "scoped_identifier",
                                         NULL};
    for (const char *const *a = access; *a; a++) {
        if (strcmp(kind, *a) == 0) {
            return true;
        }
    }
    return false;
}

// One traversal computing cyclomatic + cognitive + loop-nesting + access-depth
// metrics. Each frame carries its branch-, loop- and access-nesting depth so