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better help in command line compiler

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This commit is contained in:
Stepan Koltsov
2012-01-09 20:55:44 +04:00
parent 5645bb3c92
commit ed58ca219b
1 changed files with 14 additions and 1 deletions
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compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
+14 -1
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@@ -5,6 +5,8 @@ import com.sampullara.cli.Argument;
import org.jetbrains.jet.compiler.CompileEnvironment;
import org.jetbrains.jet.compiler.CompileEnvironmentException;
import java.io.PrintStream;
/**
* @author yole
* @author alex.tkachman
@@ -27,6 +29,12 @@ public class KotlinCompiler {
public boolean includeRuntime;
@Argument(value = "excludeStdlib", description = "do not load stdlib (to compile stdlib itself)")
public boolean excludeStdlib;
@Argument(value = "help", alias = "h", description = "show help")
public boolean help;
}
private static void usage(PrintStream target) {
target.println("Usage: KotlinCompiler [-output <outputDir>|-jar <jarFileName>] [-src <filename or dirname>|-module <module file>] [-includeRuntime] [-excludeStdlib]");
}
public static void main(String[] args) {
@@ -36,7 +44,7 @@ public class KotlinCompiler {
Args.parse(arguments, args);
}
catch (IllegalArgumentException e) {
System.out.println("Usage: KotlinCompiler [-output <outputDir>|-jar <jarFileName>] [-src <filename or dirname>|-module <module file>] [-includeRuntime]");
usage(System.err);
System.exit(1);
return;
}
@@ -45,6 +53,11 @@ public class KotlinCompiler {
System.exit(1);
return;
}
if (arguments.help) {
usage(System.out);
System.exit(0);
}
CompileEnvironment environment = new CompileEnvironment();