OMG INTERFACE DEFINITION LANGUAGE COMPILER FRONT END: COMMAND LINE INTERFACE -==========================================================================- INTRODUCTION This document describes general OMG Interface Definition Language compiler command line options. Options that are specific to a given back end, object adapter or language are not described here. These should be described in a document detailing the interface implemented by each specific back end. OMG INTERFACE DEFINITION LANGUAGE COMMAND LINE OPTIONS OMG Interface Definition Language compiler options are described below. Unless otherwise noted, only one occurrence of each option is allowed. The following conventions are used - Text in '[..]' is optional. - Text followed by '*' can be repeated zero or more times. - Text followed by '+' can be repeated once or more times. - '{' and '}' are used to group text to cause '+' or '*' to apply to the entire grouped text. - 'aa|bb' means either 'aa' or 'bb'. COMMAND LINE SUMMARY idl [flag | file-name]* Flags are command line words that start with a '-'. All other command line words are assumed to be file names. If no file names are given, input is taken from stdin. COMMAND LINE FLAGS -A[xyz] A local escape. This can be used to specify additional options that are specific to a given implementation. More than one -A option is allowed -Dname[=value] Defines name and an optional value to be passed to a compliant C++ preprocessor, as if by #define. White space between the -D option and the name is optional. More than one -D option is allowed. -d If no parse errors were found, prints out a representation of the IDL input to stderr. -E Runs the C++ preprocessor on the OMG Interface Definition Language input and sends the result to the standard output. -Idirectory Causes directory to be added to the search path for include files. More than one -I option is allowed. This option is processed by a compliant C++ preprocessor. -Uname Undefines name, as if by #undef. White space between the -U option and the name is optional. More than one -U option is allowed. -V Causes the version information of the CFE to be displayed. No other work is done, regardless of any other options. -W[b|p][,arg]+ Hands off the arguments supplied to a specific portion of the OMG Interface Definition Language compiler: - -Wb arguments are handed to the loaded back end - -Wp arguments are handed to a compliant C++ preprocessor -Yp,pathname Specifies an alternate path for finding a C++ compliant preprocessor. Specifiers other than 'p' may be defined in future versions of the CFE. More than one -Y option may appear. The last one specifying each component takes effect. This option exists but currently does nothing. Instead, we use the preprocessing facilities provided by invoking CC -E always. -bback_end Causes the CFE to use a different compiler back end than the default one (if dynamic loading is supported). Legal values for this option and the default value are implementation specific. -u Prints a usage message from the CFE. All possible options are shown. No other work is done regardless of any other options. -v Causes the CFE to produce informational output as the various phases of the compiler execute. -w Suppresses IDL compiler warning messages. WHITESPACE All option arguments may be separated from their option letter by whitespace. For example, -D FOO is equivalent to -DFOO. UNKNOWN OPTIONS If an unknown option is passed to the CFE, the offending option is displayed to the user together with a usage message, and no compilation is performed. PASSING OPTIONS TO COMPILER PHASES The order in which options appear on the command line is preserved when they are passed to various compiler phases. MUTUALLY EXCLUSIVE OPTION COMBINATIONS Mutually exclusive or ambiguous option combinations are resolved by using the option that appears later on the command line. For example, -DFOO -UFOO has no effect and leaves FOO undefined for the preprocessor. OPTION SCOPE All options are in effect for the entire IDL compilation run. If multiple IDL source file names are given on the command line, all options apply to each file. If different IDL source files require different sets of options for successfull compilation, they must be compiled separately. EXIT STATUS IDL Compilers exit with status equal to zero for successfull compilations. If errors were found by the CFE, the exit status is a count of the errors. The exit status for unsuccessfull compilations aborted by BEs is defined by each BE. NOTE: SunOS, SunSoft, Sun, Solaris, Sun Microsystems or the Sun logo are trademarks or registered trademarks of Sun Microsystems, Inc. COPYRIGHT NOTICE: Copyright 1992, 1993, 1994 Sun Microsystems, Inc. Printed in the United States of America. All Rights Reserved. This product is protected by copyright and distributed under the following license restricting its use. The Interface Definition Language Compiler Front End (CFE) is made available for your use provided that you include this license and copyright notice on all media and documentation and the software program in which this product is incorporated in whole or part. You may copy and extend functionality (but may not remove functionality) of the Interface Definition Language CFE without charge, but you are not authorized to license or distribute it to anyone else except as part of a product or program developed by you or with the express written consent of Sun Microsystems, Inc. ("Sun"). 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