In oxygene, compiler directives are enclosed in curly braces like comments and start with a dollar symbol, for example. Additional freeform support for the rpg language and embedded sql precompiler was provided for h, f, d, and p specs. Compiler directive serve many purposes like it is used to control the heading information in compiler listing, to control the spacing of the compiler listing, to include source statement from other source. A directive is effective from the point at which it is declared to. Additional freeform support for the rpg language and embedded sql precompiler. Vsc2 specifies that words reserved in ibm vs cobol ii are to be treated as reserved words, and enables selected features for compatibility with a given level of that cobol system.
Introduction this document provides information about how to specify and use the micro focus cobol compiler directives that may be required to control program behavior in the linux, unix or windows. The compiler considers copy members as fixedformat code, even if the copy directive is in a freeformat block. Compiler directive serve many purposes like it is used to control the heading information in compiler listing, to control the spacing of the compiler listing, to include source statement from other source member, to do a free form calculation in our rpgle program, to control the source records selectionomission based on some condition etc. Security enhancements include expanding the set of rules for sst user id passwords, automating certificate management using dcm apis, and extending. Weigh the pros and cons of technologies, products and projects you are considering. Cobol compiler directives are statements that determine how the program is compiled and behaves. Vsc2 specifies that words reserved in ibm vs cobol ii are to be treated as reserved words. In this article, i introduce you to the basic software engineering principles. Directives are not part of the grammar of a programming language, and may vary from compiler to compiler. Apr 26, 2015 download myrpg400 compiler for rpgile for free.
The copy and include compiler directives cause records from other files to be inserted, at the point where the directive occurs, with the file being compiled. Software design, part i define your goals before you start coding this is the first article in a fourpart series on software design. Compiler directive the only benefit of this style is that you can redefine your prototypes in. These lines are not program statements but directives for the preprocessor. Both commands will suck in program source code from a copybook typically stored in qcpylesrc. Free as400, iseries, and system i iseries downloads. The preprocessor examines the code before actual compilation of code begins and resolves all these directives before any code is actually generated by regular statements. Application development toolset plus for as400 offers the easiest, most productive, and most costeffective tools for creating client and server applications. The conditional compilation directive statements define, undefine, if, elseif, else, endif, and eof allow you to select or omit source records. You could have a copybook that makes use of compiler directives if. The evaluate directive provides a multibranch method of choosing the source lines to include in a compilation group. Rpg400 is a programming language designed to make it easier to create business software a language under evolution used for development of batch and online programs is a fixed format position.
Rpg400 is a programming language designed to make it easier to create business software a language under evolution used for development of batch and online programs is a fixed format position dependent language, unlike c, specifications need to be entered into specific columns seu prompts for entering these specifications. Having written about the new set and restore compiler directives a while ago, i thought it might be a good idea to do a piece on the other compiler directives compiler directives come in two types. Jan 09, 2014 rpg programming on ibm i was greatly improved on ibm i 7. You invoke a compiler against source code by issuing any one of the compiler commands. A preprocessor directive must be the only instruction on a line. This page lists the preprocessor directives, or commands to the preprocessor. What is the difference between copy and include in sql. Compiler options allow a user to control how source files are. Compiler options allow a user to control how source files are interpreted and control characteristics of the object files or executables. These directives make the compiler create files containing extra information about the program, for input to software used for. The define directive defines or undefines a compilation variable. For detailed information on using compiler directives on the command line, see the section option configuration in the chapter cobol system interface cob. Use makes the compiler read directives from a file. Verbose sends messages from the compiler to the screen.
The compiler directive statements free endfree denote a freeform calculation specification block. In workbench you can configure the cobol compiler through the use of compiler directives, which you usually set using the compiler options selection aid dialog box. Many programming languages and other computer files have a directive, often called include. Copy and include i assume this is the most commonly used directive and the one i will be discussing in detail.
Rpg programming on ibm i was greatly improved on ibm i 7. Compiler directives are annotations in code that are not part of the actual code flow, but influence the behavior of the compiler, for example to control options or perform conditional. Amid the many and varied enhancements that ibm rolled out last month for its ibm i operating system was a. By using this technique any unmatched if statement or endif statement becomes conspicuous and thereby. Please remove this guy from the mailing list next by author. The good thing about this technique is that, unless you also include a define debug statement in your source code or specify definedebug. How to set compiler directives once the net express project has been created and the source members and copy files have been added to the project it is very simple task to set the compiler options directives and compile the programs micro focus uses the term rebuild within net express. Dealing with rpg errors and embedded sql it jungle.
Go licpgm take option 10, then scroll down, to check if you. But there is one big difference between how the compile directives work in rpgle and sqlrpgle. They are often used to define the physical layout of program data, pieces of procedural code andor forward. As400 i5 starting rpg compiler solutions experts exchange.
To ensure that the program in the tutorial executes as expected, you need to set these. Freeform c specs were previously supported, and now all rpg specs have freeform support except i and o specs. Conditional compiler directives define, undefine, if, else, elseif, endif, eof can also appear in a freeformat block and can be indented. Get the ibm i system name using rpgle or sqlrpgle nick. Set to 1 if the runtime debugger is enabled, set to 0 else. Compiler version, in integer format in the form 420 for 4. Rpgppopt and rpg compiler directives with embedded sql. You can find which copy and include members there are in your program or module in the compile listing. Compiler directives have a key part to play in the development and maintenance of any wellwritten rpg iv program, especially those written. The compiler directive statements title, eject, space, copy, and include allow you to specify heading information for the compiler listing, to control the spacing of the compiler listing, and to insert records from other file members during a compile. Rather than comment out each statement, i like to use an undefined compiler directive. The slash in the syntax diagrams is for use on dos, windows and os2. Endfree is used to do a freeform calculation in our program.
The inserted files may contain any valid specification including copy and include up to the maximum nesting depth specified by the copynest keyword 32 when not specified. Introduction this document provides information about how to specify and use the micro focus cobol compiler directives that may be required to control program behavior in the linux, unix or windows environments in a manner compliant with the compiler options and subsequent execution on the mainframe system. Specifies whether or not the rpg compiler will be used to preprocess and expand the source member based on compiler directives, before running the sql precompile. As400 programming languages and application development tools offers a rich set of tools to create new clientserver applications on the host or workstation. Compiler directive title is used to add heading information in the compiler listing. The copy and include compiler directives cause records from other files to be. In computer programming, a directive or pragma from pragmatic is a language construct that specifies how a compiler or other translator should process its input. Apr 03, 2015 the copy and include compiler directives cause records from other files to be inserted, at the point where the directive occurs, with the file being compiled. Compiler directives for printer files, buck calabro prev by author. For up to date information, please see the relevant section in the cython documentation compiler directives are. Cannot compile c program on as400 solutions experts exchange. Current module name, if the line is inside a module.
Whenever a cpp program is compiled then the following steps are taken. Compiler directives are annotations in code that are not part of the actual code flow, but influence the behavior of the compiler, for example to control options or perform conditional compilation. As the name implies, a compiler directive is an instruction directive to the compiler to perform a specific task during compilation. An rpg iv program can have h, f, d, i, c, o, and p specifications, or. How to set compiler directives once the net express project has been created and the source members and copy files have been added to the project it is very simple task to set the compiler options. Compiler directive serve many purposes like it is used to control the heading information in compiler listing, to control the spacing of the compiler listing, to include source statement from other. Ibm i software developer, digital dad, as400 anarchist, rpg modernizer, alpha nerd and passionate eater of cheese and biscuits. Getting started with intel compiler pragmas and directives.
Go licpgm take option 10, then scroll down, to check if you have the above mentioned licpgm. Compiler directives the compiler directive statements title, eject, space, copy, and include allow you to specify heading information for the compiler listing, to control the spacing of the compiler. A compiler directive may be used to control the compilation of a verilog description. Myrpg400 is a ibm compatilbe pc compiler which can compile rpg, rpgile, pf, lf, dds, prt and cl source files without connecting to as400 machine by using ms winodws platform. A compiler directive is indicates by a in position seven of a line followed by one of the directive statements. Compiler directive title is used to add heading information in the compiler. Nick litten dot com is a mixture of blog posts that can be sometimes. This technique is almost like copy book without compiler directive. For up to date information, please see the relevant section in the cython documentation compiler directives are instructions which affect which kind of code cython generates. Endfree denote a freeform calculation specification block. Compiler directives the compiler directive statements title, eject, space, copy, and include allow you to specify heading information for the compiler listing, to control the spacing of the compiler listing, and to insert records from other file members during a compile.
In this article, i introduce you to the basic software engineering principles you need to build applications that work right the first time. The if directive provides for a oneway or twoway conditional compilation. Nov 25, 20 compiler methodology for intel mic architecture getting started with intel compiler pragmas and directives. There are a number of commands for rpg depending on which compiler you want rpg ii, rpg iii, rpg iv, whether youre compiling for a pgm, module or srvpgm, or whether you need a specific preprocessor almost exclusively sql. There are a number of commands for rpg depending on which.
Myrpg400 is a ibm compatilbe pc compiler which can compile rpg, rpgile, pf, lf, dds, prt and cl source files without connecting. Alter the program to specify the correct namespace as a qualified program name. The good thing about this technique is that, unless you also include a define debug statement in your source code or specify definedebug when you compile, the source code between these if defineddebug and endif statements is not included in the compiled object. The following new compiler directives are added to support conditional compilation. If your program has embedded sql, see using copy, include in source. A directive is effective from the point at which it is declared to the point at which another directive overrides it, even across file boundaries. Freeformat code may also include two compiler directives, copy and include. Compiler directives may appear anywhere in the source. Compiler directives reap the benefits search400 techtarget.
The compiler directive statements title, eject, space, copy, and include allow you to specify. The compiler directive statements title, eject, space, copy, and. But there is one big difference between how the compile directives work in rpgle and sqlrpgle programs. Newest compilerdirectives questions stack overflow. Endfree 2title 3eject 4space 5copy or include 6ifelseif.