# kinds                                                               -*- sh -*-
#
# For documentation on this file format, please refer to
# src/theory/builtin/kinds.
#

theory THEORY_STRINGS ::CVC4::theory::strings::TheoryStrings "theory/strings/theory_strings.h"

properties check parametric propagate presolve

rewriter ::CVC4::theory::strings::TheoryStringsRewriter "theory/strings/theory_strings_rewriter.h"

typechecker "theory/strings/theory_strings_type_rules.h"

operator STRING_CONCAT 2: "string concat (N-ary)"
operator STRING_IN_REGEXP 2 "membership"
operator STRING_LENGTH 1 "string length"
operator STRING_SUBSTR 3 "string substr"
operator STRING_CHARAT 2 "string charat"
operator STRING_STRCTN 2 "string contains"
operator STRING_LT 2 "string less than"
operator STRING_LEQ 2 "string less than or equal"
operator STRING_STRIDOF 3 "string indexof"
operator STRING_STRREPL 3 "string replace"
operator STRING_STRREPLALL 3 "string replace all"
operator STRING_PREFIX 2 "string prefixof"
operator STRING_SUFFIX 2 "string suffixof"
operator STRING_ITOS 1 "integer to string"
operator STRING_STOI 1 "string to integer (total function)"
operator STRING_CODE 1 "string to code, returns the code of the first character of the string if it has length one, -1 otherwise"
operator STRING_TOLOWER 1 "string to lowercase conversion"
operator STRING_TOUPPER 1 "string to uppercase conversion"
operator STRING_REV 1 "string reverse"

sort STRING_TYPE \
    Cardinality::INTEGERS \
    well-founded \
        "NodeManager::currentNM()->mkConst(::CVC4::String())" \
        "util/regexp.h" \
    "String type"

sort REGEXP_TYPE \
    Cardinality::INTEGERS \
    well-founded \
        "NodeManager::currentNM()->mkNode(REGEXP_EMPTY, std::vector<Node>() )" \
        "util/regexp.h" \
    "RegExp type"

enumerator STRING_TYPE \
    "::CVC4::theory::strings::StringEnumerator" \
    "theory/strings/type_enumerator.h"

constant CONST_STRING \
    ::CVC4::String \
    ::CVC4::strings::StringHashFunction \
    "util/regexp.h" \
    "a string of characters"

typerule CONST_STRING "SimpleTypeRule<RString>"

# equal equal / less than / output
operator STRING_TO_REGEXP 1 "convert string to regexp"
operator REGEXP_CONCAT 2: "regexp concat"
operator REGEXP_UNION 2: "regexp union"
operator REGEXP_INTER 2: "regexp intersection"
operator REGEXP_STAR 1 "regexp *"
operator REGEXP_PLUS 1 "regexp +"
operator REGEXP_OPT 1 "regexp ?"
operator REGEXP_RANGE 2 "regexp range"
operator REGEXP_LOOP 2:3 "regexp loop"

operator REGEXP_EMPTY 0 "regexp empty"
operator REGEXP_SIGMA 0 "regexp all characters"

#internal
operator REGEXP_RV 1 "regexp rv (internal use only)"
typerule REGEXP_RV "SimpleTypeRule<RRegExp, AInteger>"

#typerules
typerule REGEXP_CONCAT "SimpleTypeRuleVar<RRegExp, ARegExp>"
typerule REGEXP_UNION "SimpleTypeRuleVar<RRegExp, ARegExp>"
typerule REGEXP_INTER "SimpleTypeRuleVar<RRegExp, ARegExp>"
typerule REGEXP_STAR "SimpleTypeRule<RRegExp, ARegExp>"
typerule REGEXP_PLUS "SimpleTypeRule<RRegExp, ARegExp>"
typerule REGEXP_OPT "SimpleTypeRule<RRegExp, ARegExp>"
typerule REGEXP_RANGE ::CVC4::theory::strings::RegExpRangeTypeRule
typerule REGEXP_LOOP "SimpleTypeRule<RRegExp, ARegExp, AInteger, AOptional<AInteger>>"

typerule STRING_TO_REGEXP "SimpleTypeRule<RRegExp, AString>"

typerule STRING_CONCAT "SimpleTypeRuleVar<RString, AString>"
typerule STRING_LENGTH "SimpleTypeRule<RInteger, AString>"
typerule STRING_SUBSTR "SimpleTypeRule<RString, AString, AInteger, AInteger>"
typerule STRING_CHARAT "SimpleTypeRule<RString, AString, AInteger>"
typerule STRING_STRCTN "SimpleTypeRule<RBool, AString, AString>"
typerule STRING_LT "SimpleTypeRule<RBool, AString, AString>"
typerule STRING_LEQ "SimpleTypeRule<RBool, AString, AString>"
typerule STRING_STRIDOF "SimpleTypeRule<RInteger, AString, AString, AInteger>"
typerule STRING_STRREPL "SimpleTypeRule<RString, AString, AString, AString>"
typerule STRING_STRREPLALL "SimpleTypeRule<RString, AString, AString, AString>"
typerule STRING_PREFIX "SimpleTypeRule<RBool, AString, AString>"
typerule STRING_SUFFIX "SimpleTypeRule<RBool, AString, AString>"
typerule STRING_ITOS "SimpleTypeRule<RString, AInteger>"
typerule STRING_STOI "SimpleTypeRule<RInteger, AString>"
typerule STRING_CODE "SimpleTypeRule<RInteger, AString>"
typerule STRING_TOUPPER "SimpleTypeRule<RString, AString>"
typerule STRING_TOLOWER "SimpleTypeRule<RString, AString>"
typerule STRING_REV "SimpleTypeRule<RString, AString>"

typerule STRING_IN_REGEXP "SimpleTypeRule<RBool, AString, ARegExp>"

typerule REGEXP_EMPTY "SimpleTypeRule<RRegExp>"
typerule REGEXP_SIGMA "SimpleTypeRule<RRegExp>"

endtheory