mirror of
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337 lines
12 KiB
Kotlin
337 lines
12 KiB
Kotlin
package prog8tests
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import org.junit.jupiter.api.*
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import kotlin.test.*
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import prog8tests.helpers.*
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import kotlin.io.path.*
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import prog8.parser.ParseError
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import prog8.parser.Prog8Parser.parseModule
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import prog8.parser.SourceCode
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import prog8.ast.Node
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import prog8.ast.base.Position
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import prog8.ast.statements.*
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@TestInstance(TestInstance.Lifecycle.PER_CLASS)
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class TestProg8Parser {
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@BeforeAll
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fun setUp() {
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sanityCheckDirectories("compilerAst")
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}
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@Test
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fun testModuleSourceNeedNotEndWithNewline() {
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val nl = "\n" // say, Unix-style (different flavours tested elsewhere)
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val src = SourceCode.of("foo {" + nl + "}") // source ends with '}' (= NO newline, issue #40)
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// #45: Prog8ANTLRParser would report (throw) "missing <EOL> at '<EOF>'"
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val module = parseModule(src)
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assertEquals(1, module.statements.size)
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}
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@Test
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fun testModuleSourceMayEndWithNewline() {
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val nl = "\n" // say, Unix-style (different flavours tested elsewhere)
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val srcText = "foo {" + nl + "}" + nl // source does end with a newline (issue #40)
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val module = parseModule(SourceCode.of(srcText))
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assertEquals(1, module.statements.size)
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}
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@Test
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fun testAllBlocksButLastMustEndWithNewline() {
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val nl = "\n" // say, Unix-style (different flavours tested elsewhere)
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// BAD: 2nd block `bar` does NOT start on new line; however, there's is a nl at the very end
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val srcBad = "foo {" + nl + "}" + " bar {" + nl + "}" + nl
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// GOOD: 2nd block `bar` does start on a new line; however, a nl at the very end ain't needed
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val srcGood = "foo {" + nl + "}" + nl + "bar {" + nl + "}"
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assertFailsWith<ParseError> { parseModule(SourceCode.of(srcBad)) }
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val module = parseModule(SourceCode.of(srcGood))
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assertEquals(2, module.statements.size)
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}
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@Test
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fun testWindowsAndMacNewlinesAreAlsoFine() {
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val nlWin = "\r\n"
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val nlUnix = "\n"
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val nlMac = "\r"
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//parseModule(Paths.get("test", "fixtures", "mac_newlines.p8").toAbsolutePath())
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// a good mix of all kinds of newlines:
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val srcText =
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"foo {" +
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nlMac +
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nlWin +
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"}" +
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nlMac + // <-- do test a single \r (!) where an EOL is expected
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"bar {" +
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nlUnix +
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"}" +
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nlUnix + nlMac // both should be "eaten up" by just one EOL token
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"combi {" +
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nlMac + nlWin + nlUnix // all three should be "eaten up" by just one EOL token
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"}" +
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nlUnix // end with newline (see testModuleSourceNeedNotEndWithNewline)
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val module = parseModule(SourceCode.of(srcText))
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assertEquals(2, module.statements.size)
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}
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@Test
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fun testInterleavedEolAndCommentBeforeFirstBlock() {
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// issue: #47
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val srcText = """
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; comment
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; comment
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blockA {
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}
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"""
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val module = parseModule(SourceCode.of(srcText))
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assertEquals(1, module.statements.size)
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}
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@Test
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fun testInterleavedEolAndCommentBetweenBlocks() {
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// issue: #47
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val srcText = """
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blockA {
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}
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; comment
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; comment
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blockB {
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}
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"""
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val module = parseModule(SourceCode.of(srcText))
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assertEquals(2, module.statements.size)
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}
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@Test
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fun testInterleavedEolAndCommentAfterLastBlock() {
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// issue: #47
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val srcText = """
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blockA {
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}
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; comment
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; comment
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"""
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val module = parseModule(SourceCode.of(srcText))
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assertEquals(1, module.statements.size)
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}
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@Test
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fun testNewlineBetweenTwoBlocksOrDirectivesStillRequired() {
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// issue: #47
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// block and block
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assertFailsWith<ParseError>{ parseModule(SourceCode.of("""
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blockA {
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} blockB {
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}
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""")) }
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// block and directive
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assertFailsWith<ParseError>{ parseModule(SourceCode.of("""
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blockB {
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} %import textio
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""")) }
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// The following two are bogus due to directive *args* expected to follow the directive name.
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// Leaving them in anyways.
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// dir and block
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assertFailsWith<ParseError>{ parseModule(SourceCode.of("""
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%import textio blockB {
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}
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""")) }
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assertFailsWith<ParseError>{ parseModule(SourceCode.of("""
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%import textio %import syslib
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""")) }
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}
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@Test
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fun parseModuleShouldNotLookAtImports() {
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val importedNoExt = fixturesDir.resolve("i_do_not_exist")
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val importedWithExt = fixturesDir.resolve("i_do_not_exist.p8")
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assumeNotExists(importedNoExt)
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assumeNotExists(importedWithExt)
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val text = "%import ${importedNoExt.name}"
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val module = parseModule(SourceCode.of(text))
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assertEquals(1, module.statements.size)
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}
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@Test
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fun testParseModuleWithEmptyString() {
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val module = parseModule(SourceCode.of(""))
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assertEquals(0, module.statements.size)
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}
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@Test
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fun testParseModuleWithEmptyFile() {
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val path = fixturesDir.resolve("empty.p8")
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assumeReadableFile(path)
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val module = parseModule(SourceCode.fromPath(path))
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assertEquals(0, module.statements.size)
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}
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@Test
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fun testModuleNameForSourceFromString() {
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val srcText = """
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main {
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}
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""".trimIndent()
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val module = parseModule(SourceCode.of(srcText))
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// Note: assertContains has *actual* as first param
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assertContains(module.name, Regex("^anonymous_[0-9a-f]+$"))
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}
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@Test
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fun testModuleNameForSourceFromPath() {
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val path = fixturesDir.resolve("simple_main.p8")
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val module = parseModule(SourceCode.fromPath(path))
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assertEquals(path.nameWithoutExtension, module.name)
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}
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fun assertPosition(actual: Position, expFile: String? = null, expLine: Int? = null, expStartCol: Int? = null, expEndCol: Int? = null) {
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require(!listOf(expLine, expStartCol, expEndCol).all { it == null })
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if (expLine != null) assertEquals(expLine, actual.line, ".position.line (1-based)")
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if (expStartCol != null) assertEquals(expStartCol, actual.startCol, ".position.startCol (0-based)" )
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if (expEndCol != null) assertEquals(expEndCol, actual.endCol, ".position.endCol (0-based)")
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if (expFile != null) assertEquals(expFile, actual.file, ".position.file")
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}
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fun assertPosition(actual: Position, expFile: Regex? = null, expLine: Int? = null, expStartCol: Int? = null, expEndCol: Int? = null) {
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require(!listOf(expLine, expStartCol, expEndCol).all { it == null })
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if (expLine != null) assertEquals(expLine, actual.line, ".position.line (1-based)")
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if (expStartCol != null) assertEquals(expStartCol, actual.startCol, ".position.startCol (0-based)" )
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if (expEndCol != null) assertEquals(expEndCol, actual.endCol, ".position.endCol (0-based)")
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// Note: assertContains expects *actual* value first
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if (expFile != null) assertContains(actual.file, expFile, ".position.file")
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}
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fun assertPositionOf(actual: Node, expFile: String? = null, expLine: Int? = null, expStartCol: Int? = null, expEndCol: Int? = null) =
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assertPosition(actual.position, expFile, expLine, expStartCol, expEndCol)
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fun assertPositionOf(actual: Node, expFile: Regex? = null, expLine: Int? = null, expStartCol: Int? = null, expEndCol: Int? = null) =
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assertPosition(actual.position, expFile, expLine, expStartCol, expEndCol)
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@Test
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fun testErrorLocationForSourceFromString() {
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val srcText = "bad * { }\n"
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assertFailsWith<ParseError> { parseModule(SourceCode.of(srcText)) }
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try {
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parseModule(SourceCode.of(srcText))
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} catch (e: ParseError) {
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assertPosition(e.position, Regex("^<String@[0-9a-f]+>$"), 1, 4, 4)
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}
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}
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@Test
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fun testErrorLocationForSourceFromPath() {
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val path = fixturesDir.resolve("file_with_syntax_error.p8")
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assertFailsWith<ParseError> { parseModule(SourceCode.fromPath(path)) }
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try {
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parseModule(SourceCode.fromPath(path))
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} catch (e: ParseError) {
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assertPosition(e.position, path.absolutePathString(), 2, 6) // TODO: endCol wrong
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}
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}
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@Test
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fun testModulePositionForSourceFromString() {
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val srcText = """
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main {
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}
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""".trimIndent()
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val module = parseModule(SourceCode.of(srcText))
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assertPositionOf(module, Regex("^<String@[0-9a-f]+>$"), 1, 0) // TODO: endCol wrong
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}
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@Test
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fun testModulePositionForSourceFromPath() {
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val path = fixturesDir.resolve("simple_main.p8")
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val module = parseModule(SourceCode.fromPath(path))
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assertPositionOf(module, path.absolutePathString(), 1, 0) // TODO: endCol wrong
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}
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@Test
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fun testInnerNodePositionsForSourceFromPath() {
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val path = fixturesDir.resolve("simple_main.p8")
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val module = parseModule(SourceCode.fromPath(path))
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val mpf = module.position.file
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assertPositionOf(module, path.absolutePathString(), 1, 0) // TODO: endCol wrong
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val mainBlock = module.statements.filterIsInstance<Block>()[0]
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assertPositionOf(mainBlock, mpf, 1, 0) // TODO: endCol wrong!
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val startSub = mainBlock.statements.filterIsInstance<Subroutine>()[0]
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assertPositionOf(startSub, mpf, 2, 4) // TODO: endCol wrong!
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}
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/**
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* TODO: this test is testing way too much at once
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*/
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@Test
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@Disabled
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fun testInnerNodePositionsForSourceFromString() {
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val srcText = """
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%target 16, "abc" ; DirectiveArg directly inherits from Node - neither an Expression nor a Statement..?
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main {
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sub start() {
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ubyte foo = 42
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ubyte bar
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when (foo) {
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23 -> bar = 'x' ; WhenChoice, also directly inheriting Node
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42 -> bar = 'y'
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else -> bar = 'z'
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}
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}
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}
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""".trimIndent()
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val module = parseModule(SourceCode.of(srcText))
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val mpf = module.position.file
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val targetDirective = module.statements.filterIsInstance<Directive>()[0]
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assertPositionOf(targetDirective, mpf, 1, 0) // TODO: endCol wrong!
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val mainBlock = module.statements.filterIsInstance<Block>()[0]
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assertPositionOf(mainBlock, mpf, 2, 0) // TODO: endCol wrong!
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val startSub = mainBlock.statements.filterIsInstance<Subroutine>()[0]
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assertPositionOf(startSub, mpf, 3, 4) // TODO: endCol wrong!
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val declFoo = startSub.statements.filterIsInstance<VarDecl>()[0]
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assertPositionOf(declFoo, mpf, 4, 8) // TODO: endCol wrong!
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val rhsFoo = declFoo.value!!
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assertPositionOf(rhsFoo, mpf, 4, 20) // TODO: endCol wrong!
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val declBar = startSub.statements.filterIsInstance<VarDecl>()[1]
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assertPositionOf(declBar, mpf, 5, 8) // TODO: endCol wrong!
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val whenStmt = startSub.statements.filterIsInstance<WhenStatement>()[0]
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assertPositionOf(whenStmt, mpf, 6, 8) // TODO: endCol wrong!
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assertPositionOf(whenStmt.choices[0], mpf, 7, 12) // TODO: endCol wrong!
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assertPositionOf(whenStmt.choices[1], mpf, 8, 12) // TODO: endCol wrong!
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assertPositionOf(whenStmt.choices[2], mpf, 9, 12) // TODO: endCol wrong!
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}
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}
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