1 //===- SearchableTable.td ----------------------------------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the key top-level classes needed to produce a reasonably
11 // generic table that can be binary-searched via int and string entries.
13 // Each table must instantiate "Mappingkind", listing the fields that should be
14 // included and fields that shoould be searchable. Only two kinds of fields are
15 // searchable at the moment: "strings" (which are compared case-insensitively),
18 // For each "MappingKind" the generated header will create GET_MAPPINGKIND_DECL
19 // and GET_MAPPINGKIND_IMPL guards.
21 // Inside the DECL guard will be a set of function declarations:
22 // "lookup{InstanceClass}By{SearchableField}", returning "const {InstanceClass}
23 // *" and accepting either a StringRef or a uintN_t. Additionally, if
24 // EnumNameField is still defined, there will be an "enum {InstanceClass}Values"
25 // allowing C++ code to reference either the primary data table's entries (if
26 // EnumValueField is not defined) or some other field (e.g. encoding) if it is.
28 // Inside the IMPL guard will be a primary data table "{InstanceClass}sList" and
29 // as many searchable indexes as requested
30 // ("{InstanceClass}sBy{SearchableField}"). Additionally implementations of the
31 // lookup function will be provided.
33 // See AArch64SystemOperands.td and its generated header for example uses.
35 //===----------------------------------------------------------------------===//
37 class SearchableTable {
38 list<string> SearchableFields;
39 string EnumNameField = "Name";
40 string EnumValueField;