sourceafEfan::EfanErr.fan

** As thrown by Efan.
const class EfanErr : Err {
    new make(Str msg := "", Err? cause := null) : super(msg, cause) {}
}

@NoDoc
const class EfanParserErr : EfanErr {
    const SrcErrLocation srcErrLoc
    const Int noOfLinesOfPadding

    internal new make(SrcErrLocation srcErrLoc, Int noOfLinesOfPadding := 5) : super(srcErrLoc.errMsg) {
        this.srcErrLoc = srcErrLoc
        this.noOfLinesOfPadding = noOfLinesOfPadding
    }

    override Str toStr() {
        buf := StrBuf()
        buf.add("${typeof.qname}: ${msg}")
        buf.add("\nEfan Parser Err:\n")

        buf.add(srcErrLoc.srcCodeSnippet(noOfLinesOfPadding))

        buf.add("\nStack Trace:")
        return buf.toStr
    }
}

@NoDoc
const class EfanCompilationErr : EfanErr {
    const SrcErrLocation srcErrLoc
    const Int noOfLinesOfPadding

    internal new make(SrcErrLocation srcErrLoc, Int noOfLinesOfPadding := 5, Err? cause := null) : super(srcErrLoc.errMsg, cause) {
        this.srcErrLoc = srcErrLoc
        this.noOfLinesOfPadding = noOfLinesOfPadding
    }

    override Str toStr() {
        buf := StrBuf()
        buf.add("${typeof.qname}: ${msg}")
        buf.add("\nEfan Compilation Err:\n")

        buf.add(srcErrLoc.srcCodeSnippet(noOfLinesOfPadding))

        buf.add("\nStack Trace:")
        return buf.toStr
    }
}