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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SwiftSyntax
import XCTest
import _SwiftSyntaxTestSupport
class AbsolutePositionTests: XCTestCase {
public func testRecursion() {
var l = [CodeBlockItemSyntax]()
let idx = 2000
for _ in 0...idx {
l.append(
CodeBlockItemSyntax(
item: .init(
ReturnStmtSyntax(
returnKeyword: .keyword(.return, trailingTrivia: .newline)
)
)
)
)
}
let root = SourceFileSyntax(
statements: CodeBlockItemListSyntax(l),
endOfFileToken: .endOfFileToken()
)
let statements = root.statements
_ = statements[statements.index(at: idx)].position
_ = statements[statements.index(at: idx)].totalLength.utf8Length
_ = statements[statements.index(at: idx)].positionAfterSkippingLeadingTrivia
}
static let leadingTrivia = Trivia(pieces: [
.newlines(1),
.docLineComment("/// some comment"),
.carriageReturns(1),
])
static let trailingTrivia = Trivia(pieces: [
.blockComment("/* This is comment \r\r\n */"),
.carriageReturnLineFeeds(1),
])
func createSourceFile(_ count: Int) -> SourceFileSyntax {
let items: [CodeBlockItemSyntax] =
[CodeBlockItemSyntax](
repeating: CodeBlockItemSyntax(
item: .init(
ReturnStmtSyntax(
returnKeyword: .keyword(
.return,
leadingTrivia: AbsolutePositionTests.leadingTrivia,
trailingTrivia: AbsolutePositionTests.trailingTrivia
)
)
)
),
count: count
)
return SourceFileSyntax(
statements: CodeBlockItemListSyntax(items),
endOfFileToken: .endOfFileToken()
)
}
public func testTrivias() {
let idx = 5
let root = self.createSourceFile(idx + 1)
XCTAssertEqual(3, root.leadingTrivia.count)
XCTAssertEqual(0, root.trailingTrivia.count)
let state = root.statements[root.statements.index(at: idx)]
XCTAssertEqual(3, state.leadingTrivia.count)
XCTAssertEqual(2, state.trailingTrivia.count)
XCTAssertEqual(
state.totalLength.utf8Length,
state.leadingTrivia.sourceLength.utf8Length
+ state.trailingTrivia.sourceLength.utf8Length
+ state.trimmedLength.utf8Length
)
// Test Node trivia setters and getters
XCTAssertEqual(AbsolutePositionTests.leadingTrivia, root.leadingTrivia)
XCTAssertEqual([], root.trailingTrivia)
var modifiedRoot1 = root.with(\.leadingTrivia, [.spaces(6), .tabs(1)])
XCTAssertEqual([.spaces(6), .tabs(1)], modifiedRoot1.leadingTrivia)
XCTAssertEqual(AbsolutePositionTests.leadingTrivia, root.leadingTrivia)
modifiedRoot1.leadingTrivia = [.blockComment("/* this is a comment */")]
XCTAssertEqual([.blockComment("/* this is a comment */")], modifiedRoot1.leadingTrivia)
var modifiedRoot2 = root.with(\.trailingTrivia, [.tabs(2)])
XCTAssertEqual([.tabs(2)], modifiedRoot2.trailingTrivia)
XCTAssertEqual([], root.trailingTrivia)
modifiedRoot2.trailingTrivia = [.carriageReturns(1), .newlines(2)]
XCTAssertEqual([.carriageReturns(1), .newlines(2)], modifiedRoot2.trailingTrivia)
// Test Collection trivia setters and getters
XCTAssertEqual(AbsolutePositionTests.leadingTrivia, root.statements.leadingTrivia)
XCTAssertEqual(AbsolutePositionTests.trailingTrivia, root.statements.trailingTrivia)
var modifiedStatements1 = root.with(\.leadingTrivia, [.carriageReturnLineFeeds(3)])
XCTAssertEqual([.carriageReturnLineFeeds(3)], modifiedStatements1.leadingTrivia)
XCTAssertEqual(AbsolutePositionTests.leadingTrivia, root.statements.leadingTrivia)
modifiedStatements1.leadingTrivia = [.unexpectedText("UNEXPECTED")]
XCTAssertEqual([.unexpectedText("UNEXPECTED")], modifiedStatements1.leadingTrivia)
var modifiedStatements2 = root.with(\.trailingTrivia, [.formfeeds(1), .carriageReturns(3)])
XCTAssertEqual([.formfeeds(1), .carriageReturns(3)], modifiedStatements2.trailingTrivia)
XCTAssertEqual(AbsolutePositionTests.trailingTrivia, root.statements.trailingTrivia)
modifiedStatements2.trailingTrivia = [.verticalTabs(4)]
XCTAssertEqual([.verticalTabs(4)], modifiedStatements2.trailingTrivia)
}
public func testWithoutSourceFileRoot() {
let item = CodeBlockItemSyntax(
item: .init(
ReturnStmtSyntax(
returnKeyword: .keyword(.return, leadingTrivia: .newline, trailingTrivia: .newline)
)
)
)
XCTAssertEqual(0, item.position.utf8Offset)
XCTAssertEqual(1, item.positionAfterSkippingLeadingTrivia.utf8Offset)
}
public func testSourceLocation() {
let filePath = "/tmp/test.swift"
let root = self.createSourceFile(2)
let converter = SourceLocationConverter(fileName: filePath, tree: root)
let secondReturnStmt = root.statements[root.statements.index(at: 1)]
let startLoc = secondReturnStmt.startLocation(converter: converter)
XCTAssertEqual(startLoc.line, 8)
XCTAssertEqual(startLoc.column, 1)
XCTAssertEqual(
converter.position(ofLine: startLoc.line, column: startLoc.column),
secondReturnStmt.positionAfterSkippingLeadingTrivia
)
let startLocBeforeTrivia =
secondReturnStmt.startLocation(
converter: converter,
afterLeadingTrivia: false
)
XCTAssertEqual(startLocBeforeTrivia.line, 6)
XCTAssertEqual(startLocBeforeTrivia.column, 1)
XCTAssertEqual(
converter.position(ofLine: startLocBeforeTrivia.line, column: startLocBeforeTrivia.column),
secondReturnStmt.position
)
let endLoc = secondReturnStmt.endLocation(converter: converter)
XCTAssertEqual(endLoc.line, 8)
XCTAssertEqual(endLoc.column, 7)
let endLocAfterTrivia =
secondReturnStmt.endLocation(
converter: converter,
afterTrailingTrivia: true
)
XCTAssertEqual(endLocAfterTrivia.line, 11)
XCTAssertEqual(endLocAfterTrivia.column, 1)
XCTAssertTrue(converter.isValid(line: startLoc.line, column: startLoc.column))
XCTAssertFalse(converter.isValid(line: startLoc.line, column: startLoc.column + 50))
XCTAssertFalse(converter.isValid(line: 0, column: startLoc.column))
XCTAssertTrue(converter.isValid(position: secondReturnStmt.position))
XCTAssertFalse(converter.isValid(position: secondReturnStmt.position + SourceLength(utf8Length: 100)))
}
}
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