blob: 24effb59d93d36e409c20413af5bf4d74f1dec19 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
package dotty.tools.dotc
import config.CompilerCommand
import core.Contexts.{Context, ContextBase}
import util.DotClass
import reporting._
import scala.util.control.NonFatal
abstract class Driver extends DotClass {
val prompt = "\ndotc> "
protected def newCompiler(): Compiler
protected def emptyReporter: Reporter = new StoreReporter(null)
protected def doCompile(compiler: Compiler, fileNames: List[String])(implicit ctx: Context): Reporter =
if (fileNames.nonEmpty)
try {
val run = compiler.newRun
run.compile(fileNames)
run.printSummary()
}
catch {
case ex: FatalError =>
ctx.error(ex.getMessage) // signals that we should fail compilation.
ctx.reporter
}
else emptyReporter
protected def initCtx = (new ContextBase).initialCtx
protected def sourcesRequired = true
def setup(args: Array[String], rootCtx: Context): (List[String], Context) = {
val summary = CompilerCommand.distill(args)(rootCtx)
implicit val ctx: Context = initCtx.fresh.setSettings(summary.sstate)
val fileNames = CompilerCommand.checkUsage(summary, sourcesRequired)
(fileNames, ctx)
}
def process(args: Array[String], rootCtx: Context): Reporter = {
val (fileNames, ctx) = setup(args, rootCtx)
doCompile(newCompiler(), fileNames)(ctx)
}
def main(args: Array[String]): Unit =
sys.exit(if (process(args, initCtx).hasErrors) 1 else 0)
}
class FatalError(msg: String) extends Exception
|