84 lines
2.8 KiB
Plaintext
84 lines
2.8 KiB
Plaintext
//TODO: Do not export here but in ForTS__Types
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@gentype.import("peggy") @genType.as("LocationRange")
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type syntaxErrorLocation
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@genType.opaque
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type errorValue =
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| REArityError(option<string>, int, int)
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| REArrayIndexNotFound(string, int)
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| REAssignmentExpected
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| REDistributionError(DistributionTypes.error)
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| REExpectedType(string, string)
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| REExpressionExpected
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| REFunctionExpected(string)
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| REFunctionNotFound(string)
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| REJavaScriptExn(option<string>, option<string>) // Javascript Exception
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| REMacroNotFound(string)
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| RENotAFunction(string)
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| REOperationError(Operation.operationError)
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| RERecordPropertyNotFound(string, string)
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| RESymbolNotFound(string)
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| RESyntaxError(string, option<syntaxErrorLocation>)
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| RETodo(string) // To do
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| REUnitNotFound(string)
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| RENeedToRun
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| REOther(string)
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type t = errorValue
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exception ErrorException(errorValue)
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let errorToString = err =>
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switch err {
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| REArityError(_oFnName, arity, usedArity) =>
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`${Js.String.make(arity)} arguments expected. Instead ${Js.String.make(
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usedArity,
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)} argument(s) were passed.`
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| REArrayIndexNotFound(msg, index) => `${msg}: ${Js.String.make(index)}`
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| REAssignmentExpected => "Assignment expected"
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| REExpressionExpected => "Expression expected"
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| REFunctionExpected(msg) => `Function expected: ${msg}`
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| REFunctionNotFound(msg) => `Function not found: ${msg}`
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| REDistributionError(err) => `Distribution Math Error: ${DistributionTypes.Error.toString(err)}`
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| REOperationError(err) => `Math Error: ${Operation.Error.toString(err)}`
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| REJavaScriptExn(omsg, oname) => {
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let answer = "JS Exception:"
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let answer = switch oname {
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| Some(name) => `${answer} ${name}`
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| _ => answer
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}
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let answer = switch omsg {
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| Some(msg) => `${answer}: ${msg}`
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| _ => answer
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}
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answer
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}
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| REMacroNotFound(macro) => `Macro not found: ${macro}`
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| RENotAFunction(valueString) => `${valueString} is not a function`
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| RERecordPropertyNotFound(msg, index) => `${msg}: ${index}`
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| RESymbolNotFound(symbolName) => `${symbolName} is not defined`
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| RESyntaxError(desc, _) => `Syntax Error: ${desc}`
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| RETodo(msg) => `TODO: ${msg}`
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| REExpectedType(typeName, valueString) => `Expected type: ${typeName} but got: ${valueString}`
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| REUnitNotFound(unitName) => `Unit not found: ${unitName}`
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| RENeedToRun => "Need to run"
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| REOther(msg) => `Error: ${msg}`
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}
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let fromException = exn =>
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switch exn {
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| ErrorException(e) => e
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| Js.Exn.Error(e) =>
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switch Js.Exn.message(e) {
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| Some(message) => REOther(message)
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| None =>
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switch Js.Exn.name(e) {
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| Some(name) => REOther(name)
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| None => REOther("Unknown error")
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}
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}
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| _e => REOther("Unknown error")
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}
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let toException = (errorValue: t) => raise(ErrorException(errorValue))
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