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use crate::{
ast::Rule,
errors::SyntaxError as InputSyntaxError,
expressions::{ArrayInlineExpression, Expression},
sections::Header,
tables::Table,
types::{DataType, Type},
values::{NumberValue, Value},
};
use pest::{
error::{Error, ErrorVariant},
Span,
};
use std::{
num::ParseIntError,
path::{Path, PathBuf},
str::ParseBoolError,
};
#[derive(Debug, Error)]
pub enum InputParserError {
#[error("Program input value {} not found", _0)]
InputNotFound(String),
#[error("Cannot read from the provided file path - {:?}", _0)]
FileReadError(PathBuf),
#[error("{}", _0)]
ParseIntError(#[from] ParseIntError),
#[error("{}", _0)]
ParseBoolError(#[from] ParseBoolError),
#[error("{}", _0)]
SyntaxError(#[from] InputSyntaxError),
#[error("Unable to construct program input abstract syntax tree")]
SyntaxTreeError,
}
impl InputParserError {
pub fn set_path(&mut self, path: &Path) {
if let InputParserError::SyntaxError(error) = self {
let new_error: Error<Rule> = match error {
InputSyntaxError::Error(error) => {
let new_error = error.clone();
new_error.with_path(path.to_str().unwrap())
}
};
tracing::error!("{}", new_error);
*error = InputSyntaxError::Error(new_error);
}
}
fn new_from_span(message: String, span: Span) -> Self {
let error = Error::new_from_span(ErrorVariant::CustomError { message }, span);
InputParserError::SyntaxError(InputSyntaxError::from(error))
}
pub fn implicit_type(data_type: DataType, implicit: NumberValue) -> Self {
let message = format!("expected `{}`, found `{}`", data_type, implicit);
Self::new_from_span(message, implicit.span().clone())
}
pub fn implicit_group(number: NumberValue) -> Self {
let message = format!("group coordinates should be in (x, y)group format, found `{}`", number);
Self::new_from_span(message, number.span().clone())
}
pub fn data_type_mismatch(data_type: DataType, value: Value) -> Self {
let message = format!("expected data type `{}`, found `{}`", data_type, value);
let span = value.span().to_owned();
Self::new_from_span(message, span)
}
pub fn expression_type_mismatch(type_: Type, expression: Expression) -> Self {
let message = format!("expected expression type `{}`, found `{}`", type_, expression);
let span = expression.span().to_owned();
Self::new_from_span(message, span)
}
pub fn array_inline_length(number: usize, array: ArrayInlineExpression) -> Self {
let message = format!(
"expected an array with a fixed size of {} elements, found one with {} elements",
number,
array.expressions.len()
);
let span = array.span.to_owned();
Self::new_from_span(message, span)
}
pub fn array_init_length(expected: Vec<usize>, actual: Vec<usize>, span: Span) -> Self {
let message = format!(
"expected an array with a fixed size of {:?} elements, found one with {:?} elements",
expected, actual
);
Self::new_from_span(message, span)
}
pub fn input_section_header(header: Header) -> Self {
let message = format!("the section header `{}` is not valid in an input `.in` file", header);
let span = header.span();
Self::new_from_span(message, span)
}
pub fn public_section(header: Header) -> Self {
let message = format!("the section header `{}` is not a public section", header);
let span = header.span();
Self::new_from_span(message, span)
}
pub fn private_section(header: Header) -> Self {
let message = format!("the section header `{}` is not a private section", header);
let span = header.span();
Self::new_from_span(message, span)
}
pub fn table(table: Table) -> Self {
let message = format!(
"the double bracket section `{}` is not valid in an input `.in` file",
table
);
Self::new_from_span(message, table.span)
}
pub fn tuple_length(expected: usize, actual: usize, span: Span) -> Self {
let message = format!(
"expected a tuple with {} elements, found a tuple with {} elements",
expected, actual
);
Self::new_from_span(message, span)
}
pub fn section(header: Header) -> Self {
let message = format!(
"the section header `{}` must have a double bracket visibility in a state `.state` file",
header
);
let span = header.span();
Self::new_from_span(message, span)
}
}
impl From<Error<Rule>> for InputParserError {
fn from(error: Error<Rule>) -> Self {
InputParserError::SyntaxError(InputSyntaxError::from(error))
}
}