Run the full extraction sweep for one file. `raw` is the file text exactly as the TS side read it; `structs` are the file's struct-node extents.
(raw: &str, structs: &[StructExtent])
| 1169 | |
| 1170 | /// Run the full extraction sweep for one file. `raw` is the file text exactly |
| 1171 | /// as the TS side read it; `structs` are the file's struct-node extents. |
| 1172 | pub fn scan_file(raw: &str, structs: &[StructExtent]) -> FileFacts { |
| 1173 | let raw_b = raw.as_bytes(); |
| 1174 | let stripped = strip_c(raw_b); |
| 1175 | let s: &[u8] = &stripped; |
| 1176 | |
| 1177 | let mut facts = FileFacts { |
| 1178 | fn_ptr_typedefs: Vec::new(), |
| 1179 | fn_type_typedefs: Vec::new(), |
| 1180 | structs: Vec::new(), |
| 1181 | inline_ptr: false, |
| 1182 | inline_types: Vec::new(), |
| 1183 | inline_tags: Vec::new(), |
| 1184 | init_tokens: Vec::new(), |
| 1185 | array_elems: Vec::new(), |
| 1186 | alias_names: Vec::new(), |
| 1187 | d_pairs: Vec::new(), |
| 1188 | dispatch_fields: Vec::new(), |
| 1189 | array_dispatch_names: Vec::new(), |
| 1190 | includes: Vec::new(), |
| 1191 | }; |
| 1192 | |
| 1193 | // Typedefs (gated like the JS sweep — purely a fast path, the scans find |
| 1194 | // nothing without the substring anyway). |
| 1195 | if contains_bytes(s, b"typedef") { |
| 1196 | scan_fnptr_typedefs(s, &mut facts.fn_ptr_typedefs); |
| 1197 | scan_fntype_typedefs(s, &mut facts.fn_type_typedefs); |
| 1198 | } |
| 1199 | |
| 1200 | // Struct-node field declarations. |
| 1201 | if !structs.is_empty() { |
| 1202 | let lines = line_starts(s); |
| 1203 | for st in structs { |
| 1204 | let mut sf = StructFields { id: st.id.clone(), parsed: false, fields: Vec::new() }; |
| 1205 | // sliceLinesPre: falsy startLine → '' (never parses). end_line |
| 1206 | // arrives with the TS side's `?? startLine` already applied; a |
| 1207 | // slice whose end ≤ start is empty, exactly like Array.slice. |
| 1208 | if st.start_line >= 1 { |
| 1209 | let a = (st.start_line - 1) as usize; |
| 1210 | let b = st.end_line as usize; |
| 1211 | if a < lines.len() && b > a { |
| 1212 | let body_start = lines[a]; |
| 1213 | // End of line (b-1): next line start minus the `\n`, or EOF. |
| 1214 | let body_end = if b < lines.len() { lines[b] - 1 } else { s.len() }; |
| 1215 | let body = &s[body_start..body_end.max(body_start)]; |
| 1216 | if let Some(open) = body.iter().position(|&c| c == b'{') { |
| 1217 | if let Some(close) = match_brace(body, open) { |
| 1218 | sf.parsed = true; |
| 1219 | sf.fields = parse_struct_fields_raw(&body[open + 1..close]); |
| 1220 | } |
| 1221 | } |
| 1222 | } |
| 1223 | } |
| 1224 | facts.structs.push(sf); |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | // Registration filters. |
no test coverage detected