GT-3328 minor revisions to sleigh options processing per review

GhidraBuild/BuildFiles/sleighDevBuild.template

@@ -1,14 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
-  + Compile sleigh languages within this source language module.
+  + Compile sleigh languages within this source language module via Eclipse or
+  + a command shell.
+  + 
+  +   * Eclipse: right-click on this file and choose menu item "Run As->Ant Build"
+  +
+  +   * From command line (requires ant install)
+  +        - cd to data directory containing this file
+  +        - run ant
+  +
   + Sleigh compiler options are read from build/data/sleighArgs.txt which is 
   + updated by "gradle prepdev" based upon specification within module's build.gradle.
-  + 
-  + Eclipse: right-click on this file and choose menu item "Run As->Ant Build"
-  + From command line (requires ant install)
-  +    - cd to data directory containing this file
-  +    - run ant
   -->
                                      
 <project name="privateBuildDeveloper" default="sleigh-compile">

GhidraBuild/BuildFiles/sleighDistBuild.template

@@ -1,13 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
-  + Compile sleigh languages within this distribution language module.
-  + Sleigh compiler options are read from the sleighArgs.txt file.
+  + Compile sleigh languages within this distribution language module via Eclipse or
+  + a command shell.
+  + 
+  +   * Eclipse: right-click on this file and choose menu item "Run As->Ant Build"
   +
-  + Eclipse: right-click on this file and choose menu item "Run As->Ant Build"
-  + From command line (requires ant install)
-  +    - cd to data directory containing this file
-  +    - run ant
+  +   * From command line (requires ant install)
+  +        - cd to data directory containing this file
+  +        - run ant
+  +
+  + Sleigh compiler options are read from sleighArgs.txt.
   -->
                                      
 <project name="privateBuildDistribution" default="sleigh-compile">

gradle/processorProject.gradle

@@ -57,7 +57,8 @@ dependencies {
  *****************************************************************************************/
  def checkSleighCompileOptions() {
  	sleighCompileOptions.each { a ->
- 		assert !(a.startsWith("-a") || a.startsWith("-i")) : "Invalid sleighCompileOption: ${a}"
+ 		def arg = a.trim()
+ 		assert !(arg.startsWith("-a") || arg.startsWith("-i")) : "Invalid sleighCompileOption: ${arg}"
  	}
  }
  
@@ -215,10 +216,7 @@ saveSleighArgs.inputs.files (taskInputs)
  *
  *****************************************************************************************/
 def getProjectReposRootPath() {
-	def rootPath = rootProject.projectDir.absolutePath
-	int index = rootPath.lastIndexOf(File.separator)
-	rootPath = rootPath.substring(0, index+1)
-	return rootPath
+	return rootProject.projectDir.getParent() + File.separator
 }
 
 /*****************************************************************************************
@@ -235,6 +233,7 @@ def getProjectReposRootPath() {
  *
  *****************************************************************************************/
 def resolveSleighArg(String arg, boolean useDevPath) {
+	arg = arg.trim()
 	int index = arg.indexOf("%%")
 	if (index < 0) {
 		return arg