Data Definition Language (DDL) Reference Manual

Running the DDL Compiler
Data Definition Language (DDL) Reference Manual—529431-004
3-3
Running the DDL Compiler Noninteractively
Run-time defaults for the DDL compiler:
•
If you do not fully qualify a file name with volume and subvolume names, the DDL
compiler qualifies the file name with the current default volume and subvolume
names.
•
The DDL compiler creates all files, including dictionary files and host-language
source code files, with your default file-creation security. To change your default
file-creation security, use the TACL DEFAULT command.
Running the DDL Compiler Noninteractively
To run the DDL compiler noninteractively, specify the run option IN ddl-source-
file in the RUN DDL Command on page 3-1.
When run noninteractively, the DDL compiler:
•
Accepts source input from ddl-source-file, which can contain any statements
and commands described in this manual.
•
Compiles the statements in ddl-source-file and writes a compiler listing to
listing-destination, which you can specify in the RUN DDL command with
the run option OUT.
•
Performs the actions specified by compiler commands in both the RUN DDL
command and ddl-source-file. The DDL compiler processes the commands
in the RUN command first, then processes the commands in ddl-source-file
as it encounters them.
•
Stops the DDL compilation process after encountering either an end-of-file mark or
an EXIT statement in ddl-source-file, and returns control to the command
interpreter.
Assuming that a dictionary exists on the current default volume and subvolume, the
command in Example 3-1
on page 3-3 directs the DDL compiler to:
•
Open the dictionary on the current default volume and subvolume.
•
Open the COBOL source code file named cobsrc.
•
Read statements and commands from the file ddlsrc.
•
Compile the object-definition statements in ddlsrc in accordance with any
commands in ddlsrc and add the compiled objects to the dictionary.
•
Generate COBOL source code from the schema in ddlsrc and write the COBOL
source code to cobsrc.
•
Write the compiler listing to the file listfile.
Example 3-1. Running the DDL Compiler Noninteractively
DDL /IN ddlsrc, OUT listfile/ DICT, COBOL cobsrc