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59 lines
2.2 KiB
Rust
59 lines
2.2 KiB
Rust
use crate::token::TokenType;
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/// SQL lexer and parser errors
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#[non_exhaustive]
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#[derive(Clone, Debug, miette::Diagnostic, thiserror::Error)]
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#[diagnostic()]
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pub enum Error {
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/// Lexer error
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#[error("unrecognized token at {0:?}")]
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UnrecognizedToken(#[label("here")] miette::SourceSpan),
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/// Missing quote or double-quote or backtick
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#[error("non-terminated literal at {0:?}")]
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UnterminatedLiteral(#[label("here")] miette::SourceSpan),
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/// Missing `]`
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#[error("non-terminated bracket at {0:?}")]
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UnterminatedBracket(#[label("here")] miette::SourceSpan),
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/// Missing `*/`
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#[error("non-terminated block comment at {0:?}")]
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UnterminatedBlockComment(#[label("here")] miette::SourceSpan),
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/// Invalid parameter name
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#[error("bad variable name at {0:?}")]
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BadVariableName(#[label("here")] miette::SourceSpan),
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/// Invalid number format
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#[error("bad number at {0:?}")]
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BadNumber(#[label("here")] miette::SourceSpan),
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// Bad fractional part of a number
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#[error("bad fractional part at {0:?}")]
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BadFractionalPart(#[label("here")] miette::SourceSpan),
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// Bad exponent part of a number
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#[error("bad exponent part at {0:?}")]
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BadExponentPart(#[label("here")] miette::SourceSpan),
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/// Invalid or missing sign after `!`
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#[error("expected = sign at {0:?}")]
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ExpectedEqualsSign(#[label("here")] miette::SourceSpan),
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/// Hexadecimal integer literals follow the C-language notation of "0x" or "0X" followed by hexadecimal digits.
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#[error("malformed hex integer at {0:?}")]
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MalformedHexInteger(#[label("here")] miette::SourceSpan),
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// parse errors
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// Unexpected end of file
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#[error("unexpected end of file")]
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ParseUnexpectedEOF,
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// Unexpected token
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#[error("unexpected token at {parsed_offset:?}")]
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#[diagnostic(help("expected {expected:?} but found {got:?}"))]
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ParseUnexpectedToken {
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#[label("here")]
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parsed_offset: miette::SourceSpan,
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got: TokenType,
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expected: &'static [TokenType],
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},
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// Custom error message
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#[error("{0}")]
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Custom(String),
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// formatting error
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#[error("{0}")]
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FormatError(#[from] std::fmt::Error),
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}
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