1  use thiserror::Error;
 2  
 3  #[derive(Error, Debug)]
 4  pub enum GramrError {
 5      #[error("Not in a Foundry project. Please run this command from a Foundry project directory.")]
 6      NotFoundryProject,
 7  
 8      #[error("Foundry is not installed. Please install Foundry first: https://getfoundry.sh")]
 9      FoundryNotInstalled,
10      
11      #[error("Project not found: {0}")]
12      ProjectNotFound(String),
13  
14      #[error("File already exists: {0}")]
15      FileExists(String),
16  
17      #[error("Failed to create file: {0}")]
18      FileCreationError(String),
19  
20      #[error("Failed to run forge command: {0}")]
21      ForgeCommandError(String),
22  
23      #[error("Invalid contract name: {0}")]
24      InvalidContractName(String),
25  
26      #[error("IO error: {0}")]
27      IoError(#[from] std::io::Error),
28  
29      #[error("Other error: {0}")]
30      Other(String),
31  }
32  
33  pub type Result<T> = std::result::Result<T, GramrError>;