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| 1 | namespace Syntax.Process is | |
| 2 | use Source; | |
| 3 | use Trees; | |
| 4 | ||
| 5 | use Logging.Logger; | |
| 6 | ||
| 7 | // Walks the AST, finds every `@suppress("slug", ...)` pragma, and | |
| 8 | // registers a suppression region on the logger for each slug | |
| 9 | // covering the wrapped definition or statement. Runs once per | |
| 10 | // source file in a build, re-runs per file on each analyse-mode | |
| 11 | // edit (the entry clears the file's regions before re-collecting). | |
| 12 | // | |
| 13 | // The regions are consulted by `DIAGNOSTICS_STORE.is_suppressed` | |
| 14 | // at warn / info / hint emission time, so every IDed diagnostic | |
| 15 | // benefits without per-pass push / pop wiring. | |
| 16 | class COLLECT_SUPPRESS_PRAGMAS: Visitor is | |
| 17 | _logger: Logger; | |
| 18 | ||
| 19 | init(logger: Logger) is | |
| 20 | super.init(); | |
| 21 | ||
| 22 | _logger = logger; | |
| 23 | si | |
| 24 | ||
| 25 | apply(source_file: Compiler.SOURCE_FILE) is | |
| 26 | _logger.clear_suppression_regions(source_file.file_name); | |
| 27 | ||
| 28 | source_file.definition.walk(self); | |
| 29 | si | |
| 30 | ||
| 31 | visit(pragma: Definitions.PRAGMA) is | |
| 32 | _register(pragma.pragma, pragma.location); | |
| 33 | si | |
| 34 | ||
| 35 | visit(pragma: Statements.PRAGMA) is | |
| 36 | _register(pragma.pragma, pragma.location); | |
| 37 | si | |
| 38 | ||
| 39 | _register(pragma: Pragmas.PRAGMA, region: LOCATION) is | |
| 40 | if !pragma.is_name_equal_to("suppress") then | |
| 41 | return; | |
| 42 | fi | |
| 43 | ||
| 44 | for i in 0..pragma.arguments.expressions.count do | |
| 45 | let slug = pragma.try_get_string_literal_at(i); | |
| 46 | ||
| 47 | if slug? /\ slug.length > 0 then | |
| 48 | _logger.register_suppression_region(region, slug); | |
| 49 | fi | |
| 50 | od | |
| 51 | si | |
| 52 | si | |
| 53 | si |