weld_codegen/
error.rs

1//use crate::strings::{to_pascal_case, to_snake_case};
2use std::string::ToString;
3
4use thiserror::Error as ThisError;
5
6pub type Result<T> = std::result::Result<T, Error>;
7
8#[non_exhaustive]
9#[derive(Debug, ThisError)]
10pub enum Error {
11    #[error("missing input file: {0}")]
12    MissingFile(String),
13
14    #[error("unsupported output language : {0}")]
15    UnsupportedLanguage(String),
16
17    #[error("io error: {0}")]
18    Io(String),
19
20    #[error("smithy error: {0}")]
21    Model(String),
22
23    #[error("identifier {0} has an unsupported model shape: {1}")]
24    UnsupportedShape(String, String),
25
26    #[error("service {0} contains unknown operation: {1}")]
27    OperationNotFound(String, String),
28
29    #[error("invalid model: {0}")]
30    InvalidModel(String),
31
32    #[error("{0} is an unsupported type")]
33    UnsupportedType(String),
34
35    #[error("handlebars error: {0}")]
36    Handlebars(String),
37
38    #[error("ser-deser : {0}")]
39    Serde(String),
40
41    #[error("source formatter {0}")]
42    Formatter(String),
43
44    // build error
45    #[error("{0}")]
46    Build(String),
47
48    // catch-all - use descriptive error text
49    #[error("{0}")]
50    Other(String),
51
52    #[error("BigInteger is currently an unsupported type")]
53    UnsupportedBigInteger,
54
55    #[error("BigDecimal is currently an unsupported type")]
56    UnsupportedBigDecimal,
57}
58
59impl From<std::io::Error> for Error {
60    fn from(e: std::io::Error) -> Error {
61        Error::Io(e.to_string())
62    }
63}
64
65impl From<handlebars::TemplateError> for Error {
66    fn from(e: handlebars::TemplateError) -> Error {
67        Error::Handlebars(e.to_string())
68    }
69}
70
71impl From<handlebars::RenderError> for Error {
72    fn from(e: handlebars::RenderError) -> Error {
73        Error::Handlebars(e.to_string())
74    }
75}
76
77impl From<atelier_core::error::Error> for Error {
78    fn from(e: atelier_core::error::Error) -> Error {
79        Error::Model(e.to_string())
80    }
81}
82
83impl From<serde_json::Error> for Error {
84    fn from(e: serde_json::Error) -> Error {
85        Error::Serde(e.to_string())
86    }
87}
88
89/// Print a warning message to the user.
90/// If we are running within build.rs, stdout and stderr can't be used because
91/// they are redirected to a build output folder, so use the cargo:warning stdout hook
92pub(crate) fn print_warning(msg: &str) {
93    if std::env::var("OUT_DIR").is_ok() && std::env::var("CARGO").is_ok() {
94        println!("cargo:warning= {msg}");
95    } else {
96        eprintln!("Warning: {msg}");
97    }
98}
weld_codegen/error.rs

weld_codegen/
error.rs
