treetop-bundle 0.0.1

Deterministic compiler and verifier for Treetop policy bundles
Documentation 
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use serde::{Deserialize, Serialize};

/// Severity of a bundle diagnostic.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "lowercase")]
pub enum DiagnosticSeverity {
    Error,
    Warning,
}

/// A stable, serializable compiler diagnostic.
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct Diagnostic {
    pub severity: DiagnosticSeverity,
    pub code: String,
    pub module: Option<String>,
    pub path: Option<String>,
    pub line: Option<usize>,
    pub column: Option<usize>,
    pub message: String,
}

impl Diagnostic {
    pub(crate) fn error(code: impl Into<String>, message: impl Into<String>) -> Self {
        Self {
            severity: DiagnosticSeverity::Error,
            code: code.into(),
            module: None,
            path: None,
            line: None,
            column: None,
            message: message.into(),
        }
    }

    pub(crate) fn warning(code: impl Into<String>, message: impl Into<String>) -> Self {
        Self {
            severity: DiagnosticSeverity::Warning,
            code: code.into(),
            module: None,
            path: None,
            line: None,
            column: None,
            message: message.into(),
        }
    }

    pub(crate) fn in_module(mut self, module: impl Into<String>) -> Self {
        self.module = Some(module.into());
        self
    }

    pub(crate) fn at_path(mut self, path: impl Into<String>) -> Self {
        self.path = Some(path.into());
        self
    }
}