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Merge pull request #140 from martindevans/grammar_exception_types
grammar_exception_types
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using System; | ||
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namespace LLama.Exceptions; | ||
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/// <summary> | ||
/// Base class for all grammar exceptions | ||
/// </summary> | ||
public abstract class GrammarFormatException | ||
: Exception | ||
{ | ||
internal GrammarFormatException(string message) | ||
: base(message) | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// An incorrect number of characters were encountered while parsing a hex literal | ||
/// </summary> | ||
public class GrammarUnexpectedHexCharsCount | ||
: GrammarFormatException | ||
{ | ||
internal GrammarUnexpectedHexCharsCount(int size, string source) | ||
: base($"Expecting {size} hex chars at {source}") | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// Failed to parse a "name" element when one was expected | ||
/// </summary> | ||
public class GrammarExpectedName | ||
: GrammarFormatException | ||
{ | ||
internal GrammarExpectedName(string source) | ||
: base($"Expecting name at {source}") | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// An unexpected character was encountered after an escape sequence | ||
/// </summary> | ||
public class GrammarUnknownEscapeCharacter | ||
: GrammarFormatException | ||
{ | ||
internal GrammarUnknownEscapeCharacter(string source) | ||
: base($"Unknown escape at {source}") | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// End-of-file was encountered while parsing | ||
/// </summary> | ||
public class GrammarUnexpectedEndOfInput | ||
: GrammarFormatException | ||
{ | ||
internal GrammarUnexpectedEndOfInput() | ||
: base($"Unexpected end of input") | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// A specified string was expected when parsing | ||
/// </summary> | ||
public class GrammarExpectedNext | ||
: GrammarFormatException | ||
{ | ||
internal GrammarExpectedNext(string expected, string source) | ||
: base($"Expected '{expected}' at {source}") | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// A specified character was expected to preceded another when parsing | ||
/// </summary> | ||
public class GrammarExpectedPrevious | ||
: GrammarFormatException | ||
{ | ||
internal GrammarExpectedPrevious(string expected, string source) | ||
: base($"Expecting preceding item to be '{expected}' at {source}") | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// A CHAR_ALT was created without a preceding CHAR element | ||
/// </summary> | ||
public class GrammarUnexpectedCharAltElement | ||
: GrammarFormatException | ||
{ | ||
internal GrammarUnexpectedCharAltElement(string ruleId, int index) | ||
: base($"LLamaGrammarElementType.CHAR_ALT without preceding char: {ruleId},{index}") | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// A CHAR_RNG was created without a preceding CHAR element | ||
/// </summary> | ||
public class GrammarUnexpectedCharRngElement | ||
: GrammarFormatException | ||
{ | ||
internal GrammarUnexpectedCharRngElement(string ruleId, int index) | ||
: base($"LLamaGrammarElementType.CHAR_RNG_UPPER without preceding char: {ruleId},{index}") | ||
{ | ||
} | ||
} | ||
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/// <summary> | ||
/// An END was encountered before the last element | ||
/// </summary> | ||
public class GrammarUnexpectedEndElement | ||
: GrammarFormatException | ||
{ | ||
internal GrammarUnexpectedEndElement(string ruleId, int index) | ||
: base($"Unexpected LLamaGrammarElementType.END: {ruleId},{index}") | ||
{ | ||
} | ||
} |
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