sqlx_macros_oldapi/
lib.rs

1#![allow(clippy::large_enum_variant)]
2#![cfg_attr(
3    not(any(
4        feature = "postgres",
5        feature = "mysql",
6        feature = "mssql",
7        feature = "offline"
8    )),
9    allow(dead_code, unused_macros, unused_imports)
10)]
11#![cfg_attr(
12    any(sqlx_macros_unstable, procmacro2_semver_exempt),
13    feature(track_path, proc_macro_tracked_env)
14)]
15extern crate proc_macro;
16
17use proc_macro::TokenStream;
18
19use quote::quote;
20
21use syn::parse::{Parse, ParseStream};
22use syn::punctuated::Punctuated;
23use syn::{parse_macro_input, ItemFn, Meta, Token};
24
25type Error = Box<dyn std::error::Error>;
26
27type Result<T> = std::result::Result<T, Error>;
28
29mod common;
30mod database;
31mod derives;
32mod query;
33
34// The compiler gives misleading help messages about `#[cfg(test)]` when this is just named `test`.
35mod test_attr;
36
37#[cfg(feature = "migrate")]
38mod migrate;
39
40struct ArgsParser(Punctuated<Meta, Token![,]>);
41
42impl Parse for ArgsParser {
43    fn parse(input: ParseStream) -> syn::Result<Self> {
44        Ok(ArgsParser(Punctuated::<Meta, Token![,]>::parse_terminated(
45            input,
46        )?))
47    }
48}
49
50#[proc_macro]
51pub fn expand_query(input: TokenStream) -> TokenStream {
52    let input = syn::parse_macro_input!(input as query::QueryMacroInput);
53
54    match query::expand_input(input) {
55        Ok(ts) => ts.into(),
56        Err(e) => {
57            if let Some(parse_err) = e.downcast_ref::<syn::Error>() {
58                parse_err.to_compile_error().into()
59            } else {
60                let msg = e.to_string();
61                quote!(::std::compile_error!(#msg)).into()
62            }
63        }
64    }
65}
66
67#[proc_macro_derive(Encode, attributes(sqlx))]
68pub fn derive_encode(tokenstream: TokenStream) -> TokenStream {
69    let input = syn::parse_macro_input!(tokenstream as syn::DeriveInput);
70    match derives::expand_derive_encode(&input) {
71        Ok(ts) => ts.into(),
72        Err(e) => e.to_compile_error().into(),
73    }
74}
75
76#[proc_macro_derive(Decode, attributes(sqlx))]
77pub fn derive_decode(tokenstream: TokenStream) -> TokenStream {
78    let input = syn::parse_macro_input!(tokenstream as syn::DeriveInput);
79    match derives::expand_derive_decode(&input) {
80        Ok(ts) => ts.into(),
81        Err(e) => e.to_compile_error().into(),
82    }
83}
84
85#[proc_macro_derive(Type, attributes(sqlx))]
86pub fn derive_type(tokenstream: TokenStream) -> TokenStream {
87    let input = syn::parse_macro_input!(tokenstream as syn::DeriveInput);
88    match derives::expand_derive_type_encode_decode(&input) {
89        Ok(ts) => ts.into(),
90        Err(e) => e.to_compile_error().into(),
91    }
92}
93
94#[proc_macro_derive(FromRow, attributes(sqlx))]
95pub fn derive_from_row(input: TokenStream) -> TokenStream {
96    let input = syn::parse_macro_input!(input as syn::DeriveInput);
97
98    match derives::expand_derive_from_row(&input) {
99        Ok(ts) => ts.into(),
100        Err(e) => e.to_compile_error().into(),
101    }
102}
103
104#[cfg(feature = "migrate")]
105#[proc_macro]
106pub fn migrate(input: TokenStream) -> TokenStream {
107    use syn::LitStr;
108
109    let input = syn::parse_macro_input!(input as LitStr);
110    match migrate::expand_migrator_from_lit_dir(input) {
111        Ok(ts) => ts.into(),
112        Err(e) => {
113            if let Some(parse_err) = e.downcast_ref::<syn::Error>() {
114                parse_err.to_compile_error().into()
115            } else {
116                let msg = e.to_string();
117                quote!(::std::compile_error!(#msg)).into()
118            }
119        }
120    }
121}
122
123#[proc_macro_attribute]
124pub fn test(
125    args: proc_macro::TokenStream,
126    input: proc_macro::TokenStream,
127) -> proc_macro::TokenStream {
128    let args = parse_macro_input!(args as ArgsParser).0;
129    let input = parse_macro_input!(input as ItemFn);
130
131    test_attr::expand(args, input)
132}
sqlx_macros_oldapi/lib.rs

sqlx_macros_oldapi/
lib.rs
