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/* NSC -- new Scala compiler
* Copyright 2005-2013 LAMP/EPFL
* @author Martin Odersky
*/
package scala
package tools.nsc
import scala.tools.nsc.reporters.ConsoleReporter
/** The main class for NSC, a compiler for the programming
* language Scala.
*/
object MainTokenMetric {
private var reporter: ConsoleReporter = _
def tokenMetric(compiler: Global, fnames: List[String]) {
import compiler.CompilationUnit
import compiler.syntaxAnalyzer.UnitScanner
import ast.parser.Tokens.EOF
var totale = 0
for (source <- fnames) {
val s = new UnitScanner(new CompilationUnit(compiler.getSourceFile(source)))
s.nextToken()
var i = 0
while (s.token != EOF) {
i += 1
s.nextToken()
}
Console.println(i.toString + " " + source.toString())
totale += i
}
Console.println(totale.toString()+" total")
}
def process(args: Array[String]) {
val settings = new Settings(sys.error)
reporter = new ConsoleReporter(settings)
val command = new CompilerCommand(args.toList, settings)
try {
val compiler = new Global(command.settings, reporter)
tokenMetric(compiler, command.files)
} catch {
case ex @ FatalError(msg) =>
if (command.settings.debug)
ex.printStackTrace()
reporter.error(null, "fatal error: " + msg)
}
}
def main(args: Array[String]) {
process(args)
sys.exit(if (reporter.hasErrors) 1 else 0)
}
}
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