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refactor: created printPosition method for unified error message format

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This commit is contained in:
Guy C 2025-02-07 11:22:50 +00:00
parent a65cc01815
commit ee1ea6c63b
1 changed files with 21 additions and 15 deletions
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34
src/main/wacc/Error.scala
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@ -17,19 +17,31 @@ def printError(error: Error)(using errorContent: String): Unit = {
println("Semantic error:") println("Semantic error:")
error match { error match {
case Error.DuplicateDeclaration(ident) => case Error.DuplicateDeclaration(ident) =>
printPosition(ident.getPosition)
println( println(
s"Duplicate declaration of identifier ${ident.v} at line: ${ident.getPosition.line} column: ${ident.getPosition.column}" s"Duplicate declaration of identifier ${ident.v}"
) )
highlight(ident.getPosition, ident.v.length) highlight(ident.getPosition, ident.v.length)
case Error.UndefinedIdentifier(ident, identType) => case Error.UndefinedIdentifier(ident, identType) =>
printPosition(ident.getPosition)
println( println(
s"Undefined ${identType.toString.toLowerCase()} ${ident.v} at line: ${ident.getPosition.line} column: ${ident.getPosition.column}" s"Undefined ${identType.toString.toLowerCase()} ${ident.v}"
) )
highlight(ident.getPosition, ident.v.length) highlight(ident.getPosition, ident.v.length)
case Error.FunctionParamsMismatch(ident, expected, got) => case Error.FunctionParamsMismatch(ident, expected, got) =>
printPosition(ident.getPosition)
println(s"Function ${ident.v} expects $expected parameters, got $got") println(s"Function ${ident.v} expects $expected parameters, got $got")
highlight(ident.getPosition, ident.v.length)
case Error.TypeMismatch(expected, got) => case Error.TypeMismatch(expected, got) =>
println(s"Type mismatch: expected $expected, got $got") println(s"Type mismatch: expected $expected, got $got")
case Error.SemanticError(pos, msg) =>
printPosition(pos)
println(s"$msg at line: ${pos.line} column: ${pos.column}")
highlight(pos, 1)
case wacc.Error.InternalError(pos, msg) =>
printPosition(pos)
println(s"Internal error: $msg")
highlight(pos, 1)
} }
} }
@ -39,20 +51,14 @@ def highlight(pos: Position, size: Int)(using errorContent: String): Unit = {
val preLine = if (pos.line > 1) lines(pos.line - 2) else "" val preLine = if (pos.line > 1) lines(pos.line - 2) else ""
val midLine = lines(pos.line - 1) val midLine = lines(pos.line - 1)
val postLine = lines(pos.line) val postLine = if (pos.line < lines.size) lines(pos.line) else ""
val linePointer = " " * (pos.column) + ("^" * (size)) + "\n" val linePointer = " " * (pos.column + 2) + ("^" * (size)) + "\n"
println( println(
s" >$preLine\n >$midLine\n$linePointer >$postLine" s" >$preLine\n >$midLine\n$linePointer >$postLine"
) )
}
// var lines: Iterator[String] = errorContent.linesIterator
def printPosition(pos: Position): Unit = {
// lines = lines.drop(Math.max(0, ident.getPosition.line - 2)) println(s"(line ${pos.line}, column ${pos.column}):")
// println(s">${lines.next()}")
// if (lines.hasNext)
// println(s">${lines.next()}")
// println(" " * (ident.getPosition.column) + ("^" * (ident.v.length)))
// if(lines.hasNext)
// println(s">${lines.next()}")
} }