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espforge_diagnostics/
codes.rs

1//! The stable diagnostic codes this slice can reach, one per message.
2//!
3//! The ranges are reserved by stage (see the crate docs). A new message gets a
4//! new entry here; the numbers are the legacy ones, never renumbered.
5//!
6//! Codes are data: the human renderer does not print them.
7
8use crate::DiagCode;
9
10macro_rules! codes {
11    ($($(#[$doc:meta])* $name:ident = $code:literal;)*) => {
12        $(
13            $(#[$doc])*
14            pub const $name: DiagCode = DiagCode::new($code);
15        )*
16
17        /// Every code defined in this module, in declaration order.
18        pub const ALL: &[DiagCode] = &[$($name),*];
19    };
20}
21
22codes! {
23    /// A parser-junk line that is not a node.
24    SYNTAX_NODE_LINE = "E0101";
25    /// A line that should have been a `# section` header.
26    SYNTAX_SECTION_HEADER = "E0102";
27    /// Two `# section` blocks with the same name.
28    STRUCTURE_DUPLICATE_SECTION = "E0103";
29    /// A required `# section` block is absent.
30    STRUCTURE_MISSING_SECTION = "E0104";
31    /// A section outside the four-section grammar.
32    STRUCTURE_UNKNOWN_SECTION = "E0105";
33
34    /// An element the `# espforge` schema does not know.
35    CORE_UNKNOWN_ELEMENT = "E0201";
36    /// `# espforge` lacks `<project>`, `<chip>` or `<runtime>`.
37    CORE_INCOMPLETE = "E0202";
38    /// The same element is written twice in `# espforge`.
39    CORE_DUPLICATE_ELEMENT = "E0203";
40    /// `<chip>` without a `type` attribute.
41    CORE_CHIP_WITHOUT_TYPE = "E0204";
42    /// A chip name the catalog does not know.
43    CORE_UNKNOWN_CHIP = "E0205";
44    /// `<runtime>` without a `type` attribute.
45    CORE_RUNTIME_WITHOUT_TYPE = "E0206";
46    /// A runtime name the catalog does not know.
47    CORE_UNKNOWN_RUNTIME = "E0207";
48    /// `<console>` without a `type` attribute.
49    CORE_CONSOLE_WITHOUT_TYPE = "E0208";
50    /// A console name the catalog does not know.
51    CORE_UNKNOWN_CONSOLE = "E0209";
52
53    /// An option name that is not in the schema.
54    OPTION_UNKNOWN = "E0301";
55    /// An option value outside its declared choices.
56    OPTION_INVALID_VALUE = "E0302";
57    /// An option value that cannot be set in `<options>`.
58    OPTION_DERIVED = "E0306";
59    /// An option that needs another option that is off.
60    OPTION_REQUIRES = "E0307";
61    /// An option that the selected chip cannot provide.
62    OPTION_UNAVAILABLE = "E0308";
63    /// Two options in one selection group are on together.
64    OPTION_MUTUALLY_EXCLUSIVE = "E0309";
65    /// The selected console does not exist on the chip.
66    OPTION_NO_CONSOLE = "E0310";
67    /// An attribute value with the wrong type.
68    VALUE_WRONG_TYPE = "E0311";
69    /// A value that should be a boolean.
70    VALUE_NOT_BOOLEAN = "E0312";
71    /// A value that should be an unsigned number.
72    VALUE_NOT_NUMBER = "E0313";
73    /// A key used both as a plain value and as an object.
74    VALUE_KEY_KIND = "E0314";
75    /// A required attribute is absent.
76    VALUE_MISSING_ATTRIBUTE = "E0315";
77
78    /// A peripheral tag no element implements.
79    PERIPHERAL_UNSUPPORTED = "E0501";
80    /// `<gpio pin>` that is not a number.
81    GPIO_INVALID_PIN = "E0502";
82    /// `<gpio direction>` outside `input`/`output`.
83    GPIO_INVALID_DIRECTION = "E0503";
84    /// An `<i2c>` id that is not `i2c0`, `i2c1` or `i2c2`.
85    I2C_INVALID_ID = "E0504";
86    /// An `<i2c>` pin that is not a GPIO number.
87    I2C_INVALID_PIN = "E0505";
88    /// An `<i2c frequency>` that is not `100kHz`-shaped.
89    I2C_INVALID_FREQUENCY = "E0506";
90    /// An `<spi>` id other than `spi2`.
91    SPI_INVALID_ID = "E0507";
92    /// An `<spi>` pin that is not a GPIO number.
93    SPI_INVALID_PIN = "E0508";
94    /// An `<spi mode>` outside 0..=3.
95    SPI_INVALID_MODE = "E0509";
96    /// An `<spi frequency>` that is not `100kHz`-shaped.
97    SPI_INVALID_FREQUENCY = "E0510";
98    /// A `<uart>` id that is not `uart0`..`uart3`.
99    UART_INVALID_ID = "E0511";
100    /// A `<uart uart=>` value outside `UART0`..`UART3`.
101    UART_INVALID_PERIPHERAL = "E0512";
102    /// A `<uart>` pin that is not a GPIO number.
103    UART_INVALID_PIN = "E0513";
104    /// `<uart baud_rate="0">`.
105    UART_INVALID_BAUD = "E0521";
106    /// A `<wifi>` on a chip with no Wi-Fi radio.
107    WIFI_NO_RADIO = "E0514";
108    /// A `<wifi>` whose id is missing or malformed.
109    WIFI_INVALID_ID = "E0515";
110    /// A pin number larger than the chip has.
111    GPIO_NOT_ON_CHIP = "E0516";
112    /// A claim on a pin wired to the SPI flash or PSRAM bus.
113    GPIO_RESERVED_FLASH = "E0517";
114    /// An output claim on an input-only pin.
115    GPIO_NOT_OUTPUT_CAPABLE = "E0518";
116    /// A chip with no pin capability table.
117    PIN_CAPS_MISSING = "E0519";
118    /// A claim on a strapping pin: the level at boot selects a boot mode.
119    GPIO_STRAPPING = "W0520";
120
121    /// An `<led>` that cannot be built.
122    COMPONENT_INVALID_LED = "E0601";
123    /// A `<button>` that cannot be built.
124    COMPONENT_INVALID_BUTTON = "E0602";
125    /// A component tag no element implements.
126    COMPONENT_UNSUPPORTED = "E0606";
127    /// An `<led>` referencing a gpio id that does not exist.
128    COMPONENT_UNKNOWN_GPIO = "E0608";
129    /// A led on an input pin.
130    COMPONENT_WRONG_DIRECTION = "E0609";
131    /// A bus component id that cannot become a Rust identifier.
132    COMPONENT_INVALID_ID = "E0614";
133    /// A recipe component that cannot be built (the recipe's default code).
134    /// Legacy component codes stop at `E0614`; this one is free.
135    COMPONENT_INVALID = "E0615";
136    /// A `<wifi_station wifi>` reference to a radio that does not exist.
137    COMPONENT_UNKNOWN_WIFI = "E0616";
138    /// A second `<wifi_station>` on one `<wifi>` radio.
139    COMPONENT_WIFI_RADIO_USED = "E0617";
140    /// An `ssid` that is empty or longer than 32 bytes.
141    COMPONENT_INVALID_SSID = "E0618";
142    /// A password that is required but missing, or outside 8..=63 characters.
143    COMPONENT_INVALID_PASSWORD = "E0619";
144    /// `auth="open"` written together with a password.
145    COMPONENT_OPEN_WITH_PASSWORD = "E0620";
146    /// A `password="env:NAME"` whose variable name is not an identifier.
147    COMPONENT_INVALID_ENV = "E0621";
148    /// A `<wifi_station>` that cannot be built (missing or invalid attribute).
149    COMPONENT_INVALID_WIFI = "E0622";
150    /// An id the generated code already binds (`devices`, `ctx`, `__x`).
151    COMPONENT_RESERVED_ID = "E0623";
152
153    /// Two elements of different kinds on one pin.
154    CONFLICT_PIN = "E0701";
155    /// A pin claimed by two elements of the same kind.
156    CONFLICT_PIN_USED = "E0702";
157    /// One element needs an input and the other an output.
158    CONFLICT_DIRECTION = "E0703";
159    /// Two elements naming the same hardware peripheral (`UART1`).
160    CONFLICT_PERIPHERAL = "E0704";
161    /// An `<i2c>` that puts sda and scl on one pin.
162    CONFLICT_I2C_WIRING = "E0705";
163    /// An `<spi>` that puts two of its pins on one GPIO.
164    CONFLICT_SPI_WIRING = "E0706";
165    /// A `<uart>` that puts tx and rx on one pin.
166    CONFLICT_UART_WIRING = "E0707";
167    /// Two devices on one `<i2c>` bus sharing an address.
168    CONFLICT_I2C_ADDRESS = "E0708";
169    /// A peripheral the generated runtime already holds (`UART0`).
170    CONFLICT_RUNTIME_HELD = "E0709";
171
172    /// A service `network=` reference to an interface that does not exist.
173    SERVICE_UNKNOWN_NETWORK = "E0801";
174    /// A network service declared under the blocking runtime.
175    SERVICE_REQUIRES_EMBASSY = "E0802";
176    /// A service buffer below the minimum its protocol needs.
177    SERVICE_BUFFER_TOO_SMALL = "E0803";
178    /// `<https_client insecure="true">`: certificates will not be validated.
179    SERVICE_INSECURE_WARNING = "W0804";
180    /// A service that cannot be built: a bad id or a missing attribute.
181    SERVICE_INVALID = "E0805";
182    /// A service tag no element implements.
183    SERVICE_UNSUPPORTED = "E0806";
184    /// A service id the generated code already binds (`services`, `ctx`, ...).
185    SERVICE_RESERVED_ID = "E0807";
186
187    /// A device's bus reference to a component that does not exist.
188    DEVICE_UNKNOWN_COMPONENT = "E0901";
189    /// A device's auxiliary pin reference to a `<gpio>` that does not exist.
190    DEVICE_UNKNOWN_GPIO = "E0902";
191    /// A device's auxiliary pin on a GPIO declared as an input.
192    DEVICE_WRONG_DIRECTION = "E0903";
193    /// A device id that cannot become a Rust identifier.
194    DEVICE_INVALID_ID = "E0904";
195    /// A device tag no element implements.
196    DEVICE_UNSUPPORTED = "E0905";
197    /// A blocking-only display declared under the embassy runtime.
198    DEVICE_REQUIRES_BLOCKING = "E0906";
199    /// A device that cannot be built: a missing or invalid attribute.
200    DEVICE_INVALID = "E0907";
201    /// A device id the generated code already binds (`devices`, `ctx`, ...).
202    DEVICE_RESERVED_ID = "E0908";
203    /// A blocking-only and an async-only driver bound to one bus.
204    DEVICE_BUS_MODE_CONFLICT = "E0909";
205}
206
207#[cfg(test)]
208mod tests {
209    use super::*;
210
211    fn well_formed(code: &str) -> bool {
212        let bytes = code.as_bytes();
213        bytes.len() == 5
214            && matches!(bytes[0], b'E' | b'W')
215            && bytes[1..].iter().all(u8::is_ascii_digit)
216    }
217
218    #[test]
219    fn every_code_is_well_formed() {
220        for code in ALL {
221            assert!(
222                well_formed(code.as_str()),
223                "{} is not `E`/`W` + four digits",
224                code.as_str()
225            );
226        }
227    }
228
229    #[test]
230    fn no_two_codes_share_a_number() {
231        let mut seen = std::collections::BTreeSet::new();
232        for code in ALL {
233            assert!(
234                seen.insert(code.as_str()),
235                "{} is declared twice",
236                code.as_str()
237            );
238        }
239    }
240
241    #[test]
242    fn the_slice_only_defines_the_codes_it_can_reach() {
243        for code in ALL {
244            let number = &code.as_str()[1..];
245            let n: u32 = number.parse().unwrap();
246            assert!(
247                matches!(
248                    n,
249                    101..=105
250                        | 201..=209
251                        | 301
252                        | 302
253                        | 306..=315
254                        | 501..=521
255                        | 601..=623
256                        | 701..=709
257                        | 801..=807
258                        | 901..=909
259                ),
260                "{} is outside the codes this slice defines",
261                code.as_str()
262            );
263        }
264    }
265}