218 lines
6.9 KiB
Plaintext
218 lines
6.9 KiB
Plaintext
(*
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BSD 2-Clause License
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Copyright (c) 2018-2019, Anton Krotov
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All rights reserved.
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*)
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MODULE ERRORS;
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IMPORT C := CONSOLE, UTILS, mConst := CONSTANTS;
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PROCEDURE HintMsg* (name: ARRAY OF CHAR; line, col, hint: INTEGER);
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BEGIN
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IF hint = 0 THEN
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C.String(" hint ("); C.Int(line); C.String(":"); C.Int(col); C.String(") ");
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C.String("variable '"); C.String(name); C.StringLn("' never used")
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END
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END HintMsg;
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PROCEDURE WarningMsg* (line, col, warning: INTEGER);
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BEGIN
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C.String(" warning ("); C.Int(line); C.String(":"); C.Int(col); C.String(") ");
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CASE warning OF
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|0: C.StringLn("passing a string value as a fixed array")
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|1: C.StringLn("endless FOR loop")
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END
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END WarningMsg;
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PROCEDURE ErrorMsg* (fname: ARRAY OF CHAR; line, col, errno: INTEGER);
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VAR
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str: ARRAY 80 OF CHAR;
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BEGIN
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C.Ln;
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C.String(" error ("); C.Int(errno); C.String(") ("); C.Int(line); C.String(":"); C.Int(col); C.String(") ");
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CASE errno OF
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| 1: str := "missing 'H' or 'X'"
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| 2: str := "missing scale"
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| 3: str := "unclosed string"
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| 4: str := "illegal character"
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| 5: str := "string too long"
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| 6: str := "identifier too long"
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| 7: str := "number too long"
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| 8..12: str := "number too large"
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| 13: str := "real numbers not supported"
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| 21: str := "'MODULE' expected"
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| 22: str := "identifier expected"
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| 23: str := "module name does not match file name"
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| 24: str := "';' expected"
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| 25: str := "identifier does not match module name"
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| 26: str := "'.' expected"
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| 27: str := "'END' expected"
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| 28: str := "',', ';' or ':=' expected"
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| 29: str := "module not found"
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| 30: str := "multiply defined identifier"
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| 31: str := "recursive import"
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| 32: str := "'=' expected"
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| 33: str := "')' expected"
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| 34: str := "syntax error in expression"
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| 35: str := "'}' expected"
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| 36: str := "incompatible operand"
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| 37: str := "incompatible operands"
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| 38: str := "'RETURN' expected"
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| 39: str := "integer overflow"
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| 40: str := "floating point overflow"
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| 41: str := "not enough floating point registers; simplify expression"
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| 42: str := "out of range 0..255"
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| 43: str := "expression is not an integer"
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| 44: str := "out of range 0..MAXSET"
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| 45: str := "division by zero"
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| 46: str := "integer division by zero"
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| 47: str := "'OF' or ',' expected"
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| 48: str := "undeclared identifier"
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| 49: str := "type expected"
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| 50: str := "recursive type definition"
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| 51: str := "illegal value of constant"
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| 52: str := "not a record type"
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| 53: str := "':' expected"
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| 54: str := "need to import SYSTEM"
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| 55: str := "pointer type not defined"
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| 56: str := "out of range 0..MAXSET"
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| 57: str := "'TO' expected"
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| 58: str := "not a record type"
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| 59: str := "this expression cannot be a procedure"
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| 60: str := "identifier does not match procedure name"
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| 61: str := "illegally marked identifier"
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| 62: str := "expression should be constant"
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| 63: str := "not enough RAM"
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| 64: str := "'(' expected"
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| 65: str := "',' expected"
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| 66: str := "incompatible parameter"
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| 67: str := "'OF' expected"
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| 68: str := "type expected"
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| 69: str := "result type of procedure is not a basic type"
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| 70: str := "import not supported"
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| 71: str := "']' expected"
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| 72: str := "expression is not BOOLEAN"
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| 73: str := "not a record"
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| 74: str := "undefined record field"
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| 75: str := "not an array"
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| 76: str := "expression is not an integer"
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| 77: str := "not a pointer"
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| 78: str := "type guard not allowed"
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| 79: str := "not a type"
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| 80: str := "not a record type"
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| 81: str := "not a pointer type"
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| 82: str := "type guard not allowed"
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| 83: str := "index out of range"
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| 84: str := "dimension too large"
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| 85: str := "procedure must have level 0"
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| 86: str := "not a procedure"
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| 87: str := "incompatible expression (RETURN)"
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| 88: str := "'THEN' expected"
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| 89: str := "'DO' expected"
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| 90: str := "'UNTIL' expected"
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| 91: str := "incompatible assignment"
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| 92: str := "procedure call of a function"
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| 93: str := "not a variable"
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| 94: str := "read only variable"
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| 95: str := "invalid type of expression (CASE)"
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| 96: str := "':=' expected"
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| 97: str := "not INTEGER variable"
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| 98: str := "illegal value of constant (0)"
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| 99: str := "incompatible label"
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|100: str := "multiply defined label"
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|101: str := "too large parameter of WCHR"
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|102: str := "label expected"
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|103: str := "illegal value of constant"
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|104: str := "type too large"
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|105: str := "access to intermediate variables not allowed"
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|106: str := "qualified identifier expected"
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|107: str := "too large parameter of CHR"
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|108: str := "a variable or a procedure expected"
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|109: str := "expression should be constant"
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|111: str := "record [noalign] cannot have a base type"
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|112: str := "record [noalign] cannot be a base type"
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|113: str := "result type of procedure should not be REAL"
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|114: str := "identifiers 'lib_init' and 'version' are reserved"
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|115: str := "recursive constant definition"
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|116: str := "procedure too deep nested"
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|120: str := "too many formal parameters"
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|122: str := "negative divisor"
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|123: str := "illegal flag"
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|124: str := "unknown flag"
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|125: str := "flag not supported"
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END;
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C.StringLn(str);
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C.String(" file: "); C.StringLn(fname);
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UTILS.Exit(1)
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END ErrorMsg;
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PROCEDURE Error1 (s1: ARRAY OF CHAR);
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BEGIN
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C.Ln;
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C.StringLn(s1);
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UTILS.Exit(1)
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END Error1;
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PROCEDURE Error3 (s1, s2, s3: ARRAY OF CHAR);
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BEGIN
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C.Ln;
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C.String(s1); C.String(s2); C.StringLn(s3);
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UTILS.Exit(1)
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END Error3;
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PROCEDURE Error5 (s1, s2, s3, s4, s5: ARRAY OF CHAR);
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BEGIN
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C.Ln;
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C.String(s1); C.String(s2); C.String(s3); C.String(s4); C.StringLn(s5);
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UTILS.Exit(1)
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END Error5;
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PROCEDURE WrongRTL* (ProcName: ARRAY OF CHAR);
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BEGIN
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Error5("procedure ", mConst.RTL_NAME, ".", ProcName, " not found")
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END WrongRTL;
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PROCEDURE BadParam* (param: ARRAY OF CHAR);
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BEGIN
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Error3("bad parameter: ", param, "")
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END BadParam;
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PROCEDURE FileNotFound* (Path, Name, Ext: ARRAY OF CHAR);
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BEGIN
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Error5("file ", Path, Name, Ext, " not found")
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END FileNotFound;
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PROCEDURE Error* (n: INTEGER);
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BEGIN
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CASE n OF
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|201: Error1("writing file error")
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|202: Error1("too many relocations")
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|203: Error1("size of program is too large")
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|204: Error1("size of variables is too large")
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|205: Error1("not enough parameters")
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|206: Error1("bad parameter <target>")
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|207: Error3('inputfile name extension must be "', mConst.FILE_EXT, '"')
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END
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END Error;
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END ERRORS.
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