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use crate::{Location, ResolverError, TokenizeError};
use std::path::PathBuf;
use thiserror::Error;
/// Error produced by the parser.
#[derive(Debug, Error, Clone)]
pub enum ParserError {
/// Tokenizer error
#[error("tokenizer error ({file_path}:{location})")]
Tokenize {
/// The tokenizer error
#[source]
error: TokenizeError,
/// [Location] of the parse error
location: Location,
/// The path to the source file containing the error
file_path: PathBuf,
},
/// Resolver error
#[error("unable to resolve file ({file_path})")]
Resolve {
/// The resolver error
#[source]
error: ResolverError,
/// The path to the file being resolved
file_path: PathBuf,
},
/// Include error
#[error("bad include ({file_path}:{location})")]
Include {
/// The underlying resolver error
#[source]
error: Box<ParserError>,
/// [Location] of the include error
location: Location,
/// The path to the source file containing the error
file_path: PathBuf,
},
/// Unexpected token
#[error("unexpected token ({file_path}:{location})")]
UnexpectedToken {
/// The token that was unexpected
token: String,
/// [Location] of the parse error
location: Location,
/// The path to the source file containing the error
file_path: PathBuf,
},
/// Unexpected end-of-file
#[error("unexpected end of file ({file_path})")]
UnexpectedEndOfFile {
/// The path to the source file containing the error
file_path: PathBuf,
},
/// Multiple schema attributes
#[error("multiple schema attributes ({file_path}:{location})")]
MultipleSchemaAttributes {
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Multiple attributes
#[error("multiple attributes ({file_path}:{location})")]
MultipleAttributes {
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Missing bracket
#[error("missing bracket ({file_path}:{location})")]
MissingBracket {
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
#[error("missing brace ({file_path}:{location})")]
/// Missing brace
MissingBrace {
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Missing colon
#[error("missing colon ({file_path}:{location})")]
MissingColon {
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Number out of range error
#[error("number out of range ({file_path}:{location})")]
NumberRange {
/// The content that caused the error
content: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Unexpected comma
#[error("unexpected comma ({file_path}:{location})")]
UnexpectedComma {
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Missing comma
#[error("missing comma ({file_path}:{location})")]
MissingComma {
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Duplicate type error
#[error("duplicate type ({file_path}:{location})")]
DuplicateType {
/// The type that was duplicated
type_name: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Undefined type error
#[error("undefined type ({file_path}:{location})")]
UndefinedType {
/// The name of the undefined type
name: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Duplicate field error
#[error("duplicate field ({file_path}:{location})")]
DuplicateField {
/// The name of the struct that has the duplicate field
struct_name: String,
/// The name of the duplicate field
name: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Duplicate enum variant name
#[error("duplicate enum variant ({file_path}:{location})")]
DuplicateVariant {
/// The name of the enum that has the duplicate variant
enum_name: String,
/// The name of the duplicate variant
name: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Duplicate enum value
#[error("duplicate enum value ({file_path}:{location})")]
DuplicateVariantValue {
/// The name of the enum that has the duplicate value
enum_name: String,
/// The value that was duplicated
value: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Enumeration has no variants
#[error("empty enum ({file_path}:{location})")]
EmptyEnum {
/// The name of the empty enum
name: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Metadata format is not valid
#[error("invalid metadata format ({file_path}:{location})")]
InvalidMetadataFormat {
/// The value that was invalid
value: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Metadata format is missing
#[error("missing metadata format ({file_path}:{location})")]
MissingMetadataFormat {
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Must start with an uppercase letter
#[error("must start with an uppercase letter ({file_path}:{location})")]
MustBePascalCase {
/// The name of the identifier
name: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
/// Must start with a lowercase letter
#[error("must start with a lowercase letter ({file_path}:{location})")]
MustBeCamelCase {
/// The name of the identifier
name: String,
/// The path to the source file containing the error
file_path: PathBuf,
/// [Location] of the parse error
location: Location,
},
}
impl TokenizeError {
/// Converts a [TokenizeError] into a [ParseError]
pub fn to_parser_error(&self, file_path: PathBuf) -> ParserError {
match self {
TokenizeError::UnexpectedChar { location, .. } => ParserError::Tokenize {
error: self.clone(),
location: *location,
file_path,
},
TokenizeError::UnterminatedString { location, .. } => ParserError::Tokenize {
error: self.clone(),
location: *location,
file_path,
},
TokenizeError::InvalidNumber { location, .. } => ParserError::Tokenize {
error: self.clone(),
location: *location,
file_path,
},
}
}
}
impl ResolverError {
/// Converts a [ResolverError] into a [ParseError]
pub fn to_parser_error(&self) -> ParserError {
match self {
Self::Io(file_path, _) => ParserError::Resolve {
error: self.clone(),
file_path: file_path.clone(),
},
Self::DuplicateInclude(file_path) => ParserError::Resolve {
error: self.clone(),
file_path: file_path.clone(),
},
}
}
}