func AssertTokenType(t *testing.T, tokenType ast.TokenType, token *ast.Token) {
assert.NotNil(t, token)
if tokenType != token.Type {
OutputRed(t, "not ok - expecting %s. Got %s '%s'", tokenType.String(), token.Type.String(), token.Str)
} else {
OutputGreen(t, "ok - expecting %s. Got %s '%s'", tokenType.String(), token.Type.String(), token.Str)
}
assert.Equal(t, tokenType, token.Type)
}
func (parser *Parser) expect(tokenType ast.TokenType) *ast.Token {
var tok = parser.next()
if tok != nil && tok.Type != tokenType {
parser.backup()
panic(SyntaxError{
Reason: tokenType.String(),
ActualToken: tok,
File: parser.File,
})
}
return tok
}