fob_gen/
error.rs

1//! Error types for JavaScript code generation
2
3use miette::Diagnostic;
4use thiserror::Error;
5
6/// Errors that can occur during JavaScript code generation
7#[derive(Error, Debug, Diagnostic)]
8pub enum GenError {
9    /// Invalid identifier name
10    #[error("Invalid identifier: '{identifier}'{}", suggestion.as_ref().map(|s| format!(" - {}", s)).unwrap_or_default())]
11    #[diagnostic(code(fob::gen::invalid_identifier))]
12    InvalidIdentifier {
13        identifier: String,
14        suggestion: Option<String>,
15    },
16
17    /// Code generation failed
18    #[error("Code generation failed: {context}{}", reason.as_ref().map(|r| format!(" - {}", r)).unwrap_or_default())]
19    #[diagnostic(code(fob::gen::codegen_failed))]
20    CodegenFailed {
21        context: String,
22        reason: Option<String>,
23    },
24
25    /// Invalid AST structure
26    #[error("Invalid AST structure: {node_type}{}", details.as_ref().map(|d| format!(" - {}", d)).unwrap_or_default())]
27    #[diagnostic(code(fob::gen::invalid_ast))]
28    InvalidAst {
29        node_type: String,
30        details: Option<String>,
31    },
32}
33
34impl GenError {
35    /// Create an InvalidIdentifier error
36    pub fn invalid_identifier(identifier: impl Into<String>) -> Self {
37        Self::InvalidIdentifier {
38            identifier: identifier.into(),
39            suggestion: None,
40        }
41    }
42
43    /// Create a CodegenFailed error
44    pub fn codegen_failed(context: impl Into<String>) -> Self {
45        Self::CodegenFailed {
46            context: context.into(),
47            reason: None,
48        }
49    }
50
51    /// Create a CodegenFailed error with reason
52    pub fn codegen_failed_with_reason(
53        context: impl Into<String>,
54        reason: impl Into<String>,
55    ) -> Self {
56        Self::CodegenFailed {
57            context: context.into(),
58            reason: Some(reason.into()),
59        }
60    }
61
62    /// Create an InvalidAst error
63    pub fn invalid_ast(node_type: impl Into<String>) -> Self {
64        Self::InvalidAst {
65            node_type: node_type.into(),
66            details: None,
67        }
68    }
69}
70
71/// Result type for code generation operations
72pub type Result<T> = std::result::Result<T, GenError>;
fob_gen/error.rs

fob_gen/
error.rs
