asm

const (
	// ErrBadNameResolution is raised when an attempt is made to bind a local
	// using an argument to the encoder that is not a Local symbol
	ErrBadNameResolution = "encoder argument is not a name: %s"

	// ErrUnknownLocalType is raised when a local or private is declared that
	// doesn't have a proper disposition (var, ref, rest)
	ErrUnknownLocalType = "unexpected local type: %s, expected: %s"

	// ErrExpectedType is raised when a value of a certain type is expected,
	// but not provided at the current position
	ErrExpectedType = "expected %s, got: %s"
)

const (
	Const    = data.Local("const")
	Evaluate = data.Local("eval")
	Local    = data.Local("local")
	Private  = data.Local("private")
	Resolve  = data.Local("resolve")

	PopLocals  = data.Local("locals-pop")
	PushLocals = data.Local("locals-push")
)

const (
	// ErrUnexpectedName is raised when a local name is referenced that hasn't
	// been declared as part of the assembler encoder's scope
	ErrUnexpectedName = "unexpected local name: %s"

	// ErrUnexpectedLabel is raised when a jump or cond-jump instruction refers
	// to a label that hasn't been anchored in the assembler block
	ErrUnexpectedLabel = "unexpected label: %s"
)

const (
	// ErrUnknownDirective is raised when an unknown directive is called
	ErrUnknownDirective = "unknown directive: %s"

	// ErrUnexpectedForm is raised when an unexpected form is encountered in
	// the assembler block
	ErrUnexpectedForm = "unexpected form: %s"

	// ErrTooFewArguments is raised when an instruction is encountered in the
	// assembler block not accompanied by enough operands
	ErrTooFewArguments = "incomplete %s instruction, args expected: %d"

	// ErrExpectedEndOfBlock is raised when an end-of-block marker is expected
	// but an end of stream is encountered instead
	ErrExpectedEndOfBlock = "expected end of block"
)

const (
	EndBlock = data.Local("end")
)

const (
	// ErrPairExpected is raised when a vector is provided, but does not
	// contain exactly two elements
	ErrPairExpected = "binding pair expected, got %d elements"
)

const (
	// ErrUnexpectedParameter is raised when an encoder parameter is not found.
	// These are declared using the special* built-in
	ErrUnexpectedParameter = "unexpected parameter name: %s"
)

const (
	ForEach = data.Local("for-each")
)