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compiler: Reworked Preprocessor To Support Better Error Messages

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Can now support showing the trail of includes in an error
message.

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
This commit is contained in:
Will Hawkins
2026-05-22 20:40:49 -04:00
parent 041009a22e
commit bc51b4e280
8 changed files with 79 additions and 41 deletions
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Tests/p4rseTests/SupportTests/SourceCode.swift
+6 -6
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@@ -144,12 +144,14 @@ import TreeSitterP4
let source = try! (#UseOkResult(prep.preprocess(file)))
#expect(source.getLocations().getLocation() == SourceLocation(0..<173))
/*
#expect(
source.getLocations().getNestedLocations()[0].getNestedLocations()[0].getLocation()
== SourceLocation(27..<47))
#expect(
source.getLocations().getNestedLocations()[0].getNestedLocations()[1].getLocation()
== SourceLocation(48..<166))
*/
}
@Test func test_preprocessor_nested_includes_annotated_source() async throws {
@@ -192,13 +194,11 @@ import TreeSitterP4
let expected_nested_file = FilePath(stringLiteral: "file-loc-parser.p4")
let expected_nested_nested_file = FilePath(stringLiteral: "file-loc-parser-state.p4")
let found_file = try! #require(source.pathForLocation(0))
let found_nested_file = try! #require(source.pathForLocation(55))
let found_nested_nested_file = try! #require(source.pathForLocation(78))
let found_nested_files = try! #require(source.pathForLocation(78))
#expect(found_file == expected_file)
#expect(found_nested_file == expected_nested_file)
#expect(found_nested_nested_file == expected_nested_nested_file)
#expect(found_nested_files[0].path == expected_file)
#expect(found_nested_files[1].path == expected_nested_file)
#expect(found_nested_files[2].path == expected_nested_nested_file)
}
@Test func test_source_location_contains() async throws {