IAR EWARM Argument variables $PROJ_DIR$ $TOOLKIT_DIR$

You can use argument variables for paths and arguments, for example when you specify
include paths in the Options dialog box. These are the available argument variables:

$COMPILER_ARGS$
All compiler options except for the filename that is used when compiling using the compiler. 
Note that this argument variable is restricted to the Arguments text box in the External Analyzer dialog box.

$CONFIG_NAME$ The name of the current build configuration, for example Debug or Release.

$CUR_DIR$ Current directory $CUR_LINE$ Current line

$DATE$ Today’s date

$EW_DIR$ Top directory of IAR Embedded Workbench, for example c:\program files\iar systems\embedded workbench 6.n
  
$EXE_DIR$ Directory for executable output

$FILE_BNAME$ Filename without extension $FILE_BPATH$ Full path without extension $FILE_DIR$ Directory of active file, no filename $FILE_FNAME$ Filename of active file without path $FILE_PATH$ Full path of active file (in Editor, Project, or Message window) 
$LIST_DIR$ Directory for list output

$OBJ_DIR$ 
Directory for object output

$PROJ_DIR$ Project directory $PROJ_FNAME$ Project filename without path $PROJ_PATH$ Full path of project file

$TARGET_DIR$ Directory of primary output file $TARGET_BNAME$ Filename without path of primary output file and without extension $TARGET_BPATH$ Full path of primary output file without extension $TARGET_FNAME$ Filename without path of primary output file $TARGET_PATH$ Full path of primary output file

$TOOLKIT_DIR$ Directory of the active product, for example c:\program files\iar systems\embedded workbench 6.n\arm

$USER_NAME$ 
Your host login name

$_ENVVAR_$ 
The environment variable ENVVAR. Any name within