sqlx_macros_oldapi/
lib.rs

1#![cfg_attr(
2    not(any(feature = "postgres", feature = "mysql", feature = "offline")),
3    allow(dead_code, unused_macros, unused_imports)
4)]
5#![cfg_attr(
6    any(sqlx_macros_unstable, procmacro2_semver_exempt),
7    feature(track_path, proc_macro_tracked_env)
8)]
9extern crate proc_macro;
10
11use proc_macro::TokenStream;
12
13use quote::quote;
14
15type Error = Box<dyn std::error::Error>;
16
17type Result<T> = std::result::Result<T, Error>;
18
19mod common;
20mod database;
21mod derives;
22mod query;
23
24// The compiler gives misleading help messages about `#[cfg(test)]` when this is just named `test`.
25mod test_attr;
26
27#[cfg(feature = "migrate")]
28mod migrate;
29
30#[proc_macro]
31pub fn expand_query(input: TokenStream) -> TokenStream {
32    let input = syn::parse_macro_input!(input as query::QueryMacroInput);
33
34    match query::expand_input(input) {
35        Ok(ts) => ts.into(),
36        Err(e) => {
37            if let Some(parse_err) = e.downcast_ref::<syn::Error>() {
38                parse_err.to_compile_error().into()
39            } else {
40                let msg = e.to_string();
41                quote!(::std::compile_error!(#msg)).into()
42            }
43        }
44    }
45}
46
47#[proc_macro_derive(Encode, attributes(sqlx))]
48pub fn derive_encode(tokenstream: TokenStream) -> TokenStream {
49    let input = syn::parse_macro_input!(tokenstream as syn::DeriveInput);
50    match derives::expand_derive_encode(&input) {
51        Ok(ts) => ts.into(),
52        Err(e) => e.to_compile_error().into(),
53    }
54}
55
56#[proc_macro_derive(Decode, attributes(sqlx))]
57pub fn derive_decode(tokenstream: TokenStream) -> TokenStream {
58    let input = syn::parse_macro_input!(tokenstream as syn::DeriveInput);
59    match derives::expand_derive_decode(&input) {
60        Ok(ts) => ts.into(),
61        Err(e) => e.to_compile_error().into(),
62    }
63}
64
65#[proc_macro_derive(Type, attributes(sqlx))]
66pub fn derive_type(tokenstream: TokenStream) -> TokenStream {
67    let input = syn::parse_macro_input!(tokenstream as syn::DeriveInput);
68    match derives::expand_derive_type_encode_decode(&input) {
69        Ok(ts) => ts.into(),
70        Err(e) => e.to_compile_error().into(),
71    }
72}
73
74#[proc_macro_derive(FromRow, attributes(sqlx))]
75pub fn derive_from_row(input: TokenStream) -> TokenStream {
76    let input = syn::parse_macro_input!(input as syn::DeriveInput);
77
78    match derives::expand_derive_from_row(&input) {
79        Ok(ts) => ts.into(),
80        Err(e) => e.to_compile_error().into(),
81    }
82}
83
84#[cfg(feature = "migrate")]
85#[proc_macro]
86pub fn migrate(input: TokenStream) -> TokenStream {
87    use syn::LitStr;
88
89    let input = syn::parse_macro_input!(input as LitStr);
90    match migrate::expand_migrator_from_lit_dir(input) {
91        Ok(ts) => ts.into(),
92        Err(e) => {
93            if let Some(parse_err) = e.downcast_ref::<syn::Error>() {
94                parse_err.to_compile_error().into()
95            } else {
96                let msg = e.to_string();
97                quote!(::std::compile_error!(#msg)).into()
98            }
99        }
100    }
101}
102
103#[proc_macro_attribute]
104pub fn test(args: TokenStream, input: TokenStream) -> TokenStream {
105    let args = syn::parse_macro_input!(args as syn::AttributeArgs);
106    let input = syn::parse_macro_input!(input as syn::ItemFn);
107
108    match test_attr::expand(args, input) {
109        Ok(ts) => ts.into(),
110        Err(e) => {
111            if let Some(parse_err) = e.downcast_ref::<syn::Error>() {
112                parse_err.to_compile_error().into()
113            } else {
114                let msg = e.to_string();
115                quote!(::std::compile_error!(#msg)).into()
116            }
117        }
118    }
119}
sqlx_macros_oldapi/lib.rs

sqlx_macros_oldapi/
lib.rs
