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Editing File: /usr/local/cpanel/3rdparty/share/re2c/stdlib/go

// supported feature lists -----------------------------------------------------

supported_apis = ["simple", "generic", "record"];
supported_api_styles = ["free-form", "functions"];
supported_code_models = ["goto-label", "loop-switch", "recursive-functions"];
supported_targets = ["code", "dot"];
supported_features = ["nested-ifs", "bitmaps", "tags", "captures", "captvars"];

// language-specific options ---------------------------------------------------

semicolons = 0;
backtick_quoted_strings = 1;
single_quoted_strings = 0;
indentation_sensitive = 0;
wrap_blocks_in_braces = 1;
special_escapes = "\a\b\f\n\r\t\v\\'\"";

// immutable configurations (command-line only options) ------------------------

re2c:target = code;
re2c:code-model = goto-label;
re2c:input-encoding = ascii;
re2c:date = 1;
re2c:version = 1;
re2c:conditions = 0;
re2c:storable-state = 0;
re2c:flex-syntax = 0;
re2c:verbose = 0;
re2c:line-dirs = 1;

// mutable configurations ------------------------------------------------------

re2c:api = generic;
re2c:api:style = free-form;
re2c:api:sigil = "@@";
re2c:YYGETCOND:naked = 0;
re2c:YYSETCOND:naked = 0;
re2c:YYSETCOND@cond = "@@";
re2c:YYGETSTATE:naked = 0;
re2c:YYSETSTATE:naked = 0;
re2c:YYSETSTATE@state = "@@";
re2c:YYFILL@len = "@@";
re2c:YYFILL:naked = 0;
re2c:YYFN = ["<undefined-function-name>;<undefined-function-type>"];
re2c:yyfn:sep = ";";
re2c:yyfn:throw = "";
re2c:yycond = "yycond";
re2c:yyctable = "yyctable";
re2c:yyaccept = "yyaccept";
re2c:yytarget = "yytarget";
re2c:yystate = "yystate";
re2c:yynmatch = "yynmatch";
re2c:yypmatch = "yypmatch";
re2c:yyrecord = "yyrecord";
re2c:yych = "yych";
re2c:yych:conversion = 0;
re2c:yych:literals = char-or-hex;
re2c:yych:emit = (.code_model.recursive_functions ? 0 : 1);
re2c:yybm = "yybm";
re2c:yybm:hex = 0;
re2c:yyfill = "";
re2c:yystable = ""; // deprecated
re2c:header = "";
re2c:eof = -1;
re2c:sentinel = -1;
re2c:yyfill:enable = 1;
re2c:yyfill:parameter = 1;
re2c:yyfill:check = 1;
re2c:tags = 0;
re2c:tags:prefix = "yyt";
re2c:captures = 0;
re2c:captvars = 0;
re2c:posix-captures = 0;
re2c:posix-captvars = 0;
re2c:invert-captures = 0;
re2c:cond:abort = 1;
re2c:cond:prefix = "yyc_";
re2c:cond:enumprefix = "yyc";
re2c:cond:divider@cond = "@@";
re2c:cond:goto@cond = "@@";
re2c:state:abort = (.code_model.goto_label ? 0 : 1); // historically disabled for goto/label
re2c:state:nextlabel = 0;
re2c:bit-vectors = 0;
re2c:debug-output = 0;
re2c:computed-gotos = 0;
re2c:computed-gotos:threshold = 9;
re2c:computed-gotos:relative = 0;
re2c:nested-ifs = 0;
re2c:case-insensitive = 0;
re2c:case-inverted = 0;
re2c:case-ranges = 0;
re2c:unsafe = 0;
re2c:monadic = 0;
re2c:encoding:ebcdic = 0;
re2c:encoding:utf32 = 0;
re2c:encoding:ucs2 = 0;
re2c:encoding:utf16 = 0;
re2c:encoding:utf8 = 0;
re2c:encoding-policy = ignore;
re2c:empty-class = match-empty;
re2c:indent:string = "\t";
re2c:indent:top = 0;
re2c:label:prefix = "yy";
re2c:label:yyfill = "yyFillLabel";
re2c:label:yyloop = "yyl";
re2c:label:yyNext = "yyNext";
re2c:label:start = 0;

// mutable code configuration --------------------------------------------------

re2c:YYBACKUP = "YYBACKUP";
re2c:YYBACKUPCTX = "YYBACKUPCTX";
re2c:YYCONDTYPE = "YYCONDTYPE";
re2c:YYCOPYMTAG = sigil "{lhs} = " sigil "{rhs}";
re2c:YYCOPYSTAG = sigil "{lhs} = " sigil "{rhs}";
re2c:YYCTYPE = "YYCTYPE";
re2c:YYCTXMARKER = (.api.generic ? "YYCTXMARKER" : (.api.record ? yyrecord ".") "yyctxmarker");
re2c:YYCURSOR = (.api.generic ? "YYCURSOR" : (.api.record ? yyrecord ".") "yycursor");
re2c:YYDEBUG = "YYDEBUG";
re2c:YYFILL = "YYFILL";
re2c:YYGETACCEPT = sigil "{var}";
re2c:YYGETCOND = "YYGETCONDITION"; // historic default
re2c:YYGETSTATE = "YYGETSTATE";
re2c:YYINPUT = (.api.generic ? "YYINPUT" : (.api.record ? yyrecord ".") "yyinput");
re2c:YYLESSTHAN = "YYLESSTHAN";
re2c:YYLIMIT = (.api.generic ? "YYLIMIT" : (.api.record ? yyrecord ".") "yylimit");
re2c:YYMARKER = (.api.generic ? "YYMARKER" : (.api.record ? yyrecord ".") "yymarker");
re2c:YYMAXFILL = "YYMAXFILL";
re2c:YYMAXNMATCH = "YYMAXNMATCH";
re2c:YYMTAGN = "YYMTAGN";
re2c:YYMTAGP = "YYMTAGP";
re2c:YYPEEK = "YYPEEK";
re2c:YYRESTORE = "YYRESTORE";
re2c:YYRESTORECTX = "YYRESTORECTX";
re2c:YYRESTORETAG = "YYRESTORETAG";
re2c:YYSETACCEPT = sigil "{var} = " sigil "{val}";
re2c:YYSETCOND = "YYSETCONDITION"; // historic default
re2c:YYSETSTATE = "YYSETSTATE";
re2c:YYSHIFT = "YYSHIFT";
re2c:YYSHIFTSTAG = "YYSHIFTSTAG";
re2c:YYSHIFTMTAG = "YYSHIFTMTAG";
re2c:YYSKIP = "YYSKIP";
re2c:YYSTAGN = "YYSTAGN";
re2c:YYSTAGP = "YYSTAGP";
re2c:tags:expression = (.api.record ? yyrecord ".") sigil;
re2c:tags:negative = (.api.generic ? "@@" : "-1");
re2c:cond:divider = "/* *********************************** */";
re2c:cond:goto = "goto " sigil;

// code templates --------------------------------------------------------------

code:var_local = topindent (.init ? name " := " init : "var " name " " type) nl;
code:var_global = topindent "var " name " " type (.init ? " = " init) nl;

code:const_local = topindent "const " name " = " init nl;
code:const_global = code:const_local;

code:array_local =
    topindent name " := [" size "]" type "{" nl indent
        [row: topindent [elem{0:-2}: elem ", "] [elem{-1}: elem ","] nl]
    dedent topindent "}" nl;

code:array_global =
    topindent "var " name " = {" nl indent
        [row: topindent [elem{0:-2}: elem ", "] [elem{-1}: elem ","] nl]
    dedent topindent "}" nl;

code:array_elem = array "[" index "]";

code:enum =
    "const (" nl indent
        [elem{0}:    topindent elem " = " (.init ? init : "iota") nl]
        [elem{1:-1}: topindent elem (.init ? " = " init) nl]
    dedent ")" nl;

code:enum_elem = name;

code:assign = topindent lhs " = " rhs nl;

code:type_int = "int";
code:type_uint = "uint";
code:type_yybm = "byte";
code:type_yytarget = <undefined>;
code:type_yyctable = <undefined>;

code:cmp_eq = "==";
code:cmp_ne = "!=";
code:cmp_lt = "<";
code:cmp_gt = ">";
code:cmp_le = "<=";
code:cmp_ge = ">=";

code:if_then_else =
    [branch{0}: topindent "if (" cond ") {" nl
        indent [stmt: stmt] dedent]
    [branch{1:-1}: topindent "} else " (.cond ? "if (" cond ") ") "{" nl
        indent [stmt: stmt] dedent]
    topindent "}" nl;

code:if_then_else_oneline = <undefined>;

code:switch =
    topindent "switch (" expr ") {" nl
    [case: case]
    topindent "}" nl;

code:switch_cases =
    [case{0:-2}: topindent case nl
        indent topindent "fallthrough" dedent nl]
    [case{-1}: topindent case nl]
        indent [stmt: stmt] dedent;

code:switch_cases_oneline = <undefined>;

code:switch_case_range = "case " [val{0}: val] [val{1:-1}: "," val] ":";

code:switch_case_default = "default:";

code:loop =
    (.loop_label ? label ":" nl)
    topindent "for {" nl
        indent [stmt: stmt] dedent
    topindent "}" nl;

code:continue = topindent "continue" (.loop_label ? " " label) nl;

code:goto = topindent "goto " label nl;

code:cgoto = <undefined>;
code:cgoto_data = <undefined>;

code:fndecl = <undefined>;

code:fndef =
    topindent "func " name "("
        [arg{0:-2}: argname " " argtype ", "]
        [arg{-1}:   argname " " argtype]
    ")" (.type ? " " type) " {" nl
        indent [stmt: stmt] dedent
    "}" nl;

code:fncall =
    topindent (.retval ? retval " = ") name "(" [arg{0:-2}: arg ", "] [arg{-1}: arg] ")" nl;

code:tailcall =
    topindent (.retval ? "return ") name "(" [arg{0:-2}: arg ", "] [arg{-1}: arg] ")" nl;

code:recursive_functions = [fn: fndef nl];

code:fingerprint =
    "// Code generated by re2go" (.version ? " " version) (.date ? " on " date) ", DO NOT EDIT." nl;

code:line_info = "//line \"" file "\":" line nl;

code:abort = topindent "panic(\"internal lexer error\")" nl;

code:yydebug =
    topindent (.api.generic
        ? YYDEBUG (.api_style.functions ? "()")
    : (.api.record
        ? YYDEBUG "(" yyrecord ")"
        : YYDEBUG "(" state ", " yych ")"
    )) nl;

code:yypeek =
    topindent yych (.code_model.recursive_functions ? " := " : " = ") (.api.generic
        ? YYPEEK (.api_style.functions ? "()")
        : (.cast ? YYCTYPE "(") YYINPUT "[" YYCURSOR "]" (.cast ? ")")
    ) nl;

code:yyskip =
    topindent (.api.generic
        ? YYSKIP (.api_style.functions ? "()")
        : YYCURSOR " += 1"
    ) nl;

code:yybackup =
    topindent (.api.generic
        ? YYBACKUP (.api_style.functions ? "()")
        : YYMARKER " = " YYCURSOR
    ) nl;

code:yybackupctx =
    topindent (.api.generic
        ? YYBACKUPCTX (.api_style.functions ? "()")
        : YYCTXMARKER " = " YYCURSOR
    ) nl;

code:yyskip_yypeek = <undefined>;
code:yypeek_yyskip = <undefined>;
code:yyskip_yybackup = <undefined>;
code:yybackup_yyskip = <undefined>;
code:yybackup_yypeek = <undefined>;
code:yyskip_yybackup_yypeek = <undefined>;
code:yybackup_yypeek_yyskip = <undefined>;

code:yyrestore =
    topindent (.api.generic
        ? YYRESTORE (.api_style.functions ? "()")
        : YYCURSOR " = " YYMARKER
    ) nl;

code:yyrestorectx =
    topindent (.api.generic
        ? YYRESTORECTX (.api_style.functions ? "()")
        : YYCURSOR " = " YYCTXMARKER
    ) nl;

code:yyrestoretag =
    topindent (.api.generic
        ? YYRESTORETAG (.api_style.functions ? "(" tag ")")
        : YYCURSOR " = " tag
    ) nl;

code:yyshift =
    topindent (.api.generic
        ? YYSHIFT (.api_style.functions ? "(-" offset ")")
        : YYCURSOR " -= " offset
    ) nl;

code:yyshiftstag =
    (.nested ? topindent "if (" tag " != " neg ") {" nl indent)
        topindent (.api.generic
            ? YYSHIFTSTAG (.api_style.functions ? "(" tag ", -" offset ")")
            : tag " -= " offset
        ) nl
    (.nested ? dedent topindent "}" nl);

code:yyshiftmtag =
    topindent YYSHIFTMTAG (.api_style.functions ? "(" tag ", -" offset ")") nl;

code:yystagp =
    topindent (.api.generic
        ? YYSTAGP (.api_style.functions ? "(" tag ")")
        : tag " = " YYCURSOR
    ) nl;

code:yymtagp =
    topindent YYMTAGP (.api_style.functions ? "(" tag ")") nl;

code:yystagn =
    topindent (.api.generic
        ? YYSTAGN (.api_style.functions ? "(" tag ")")
        : tag " = " neg
    ) nl;

code:yymtagn =
    topindent YYMTAGN (.api_style.functions ? "(" tag ")") nl;

code:yycopystag =
    topindent (.api.generic
        ? YYCOPYSTAG // function style is not supported, as there's no sensible default
        : lhs " = " rhs
    ) nl;

code:yycopymtag =
    topindent (.api.generic
        ? YYCOPYMTAG // function style is not supported, as there's no sensible default
        : lhs " = " rhs
    ) nl;

code:yygetaccept =
    (.api.generic
        ? YYGETACCEPT // function style is not supported, as there's no sensible default
        : (.api.record & (.storable_state | .code_model.recursive_functions) ? yyrecord ".") var);

code:yysetaccept =
    topindent (.api.generic
        ? YYSETACCEPT // function style is not supported, as there's no sensible default
        : (.api.record & (.storable_state | .code_model.recursive_functions) ? yyrecord ".")
            var " = " val
    ) nl;

code:yygetcond =
    (.api.generic
        ? YYGETCOND (.api_style.functions ? "()")
        : (.api.record ? yyrecord ".") var);

code:yysetcond =
    topindent (.api.generic
        ? YYSETCOND (.api_style.functions ? "(" val ")")
        : (.api.record ? yyrecord ".") var " = " val 
    ) nl;

code:yygetstate =
    (.api.generic
        ? YYGETSTATE (.api_style.functions ? "()")
        : (.api.record ? yyrecord ".") var);

code:yysetstate =
    topindent (.api.generic
        ? YYSETSTATE (.api_style.functions ? "(" val ")")
        : (.api.record ? yyrecord ".") var " = " val
    ) nl;

code:yylessthan =
    (.api.generic
        ? YYLESSTHAN (.api_style.functions ? "(" need ")")
        : (.many
            ? "(" YYLIMIT " - " YYCURSOR ") < " need
            : YYLIMIT " <= " YYCURSOR));

code:yybm_filter = yych " & ~0xFF";

code:yybm_match = "(" yybm "[" offset "+" yych "] & " mask ") != 0";

code:yytarget_filter = <undefined>;

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