#!/usr/bin/env --split-string=${JDK_HOME}/bin/java @building/Makeshift/java_arguments @building/Makeshift/java_javac_arguments
package Breccia.parser.plain;

import Breccia.parser.*;
import java.io.IOException;
import java.io.Reader;
import java.nio.file.Path;

import static Breccia.parser.plain.Project.newSourceReader;
import static java.lang.System.out;


/** A shell command to smoke test the plain Breccia parser.
  *
  *     @see <a href='http://reluk.ca/project/Breccia/parser/plain/notes.brec.xht#testing'>
  *       Usage instructions</a>
  */
public final class SmokeTestCommand {


    private SmokeTestCommand() {}



    public static void main( final String[] arguments ) throws IOException {
        final Path sourceFile = Path.of( arguments[0] );
        final BrecciaCursor in = new BrecciaCursor();
        try( final Reader sourceReader = newSourceReader​( sourceFile )) {
            in.source( sourceReader );
            for( ;; ) {
                final ParseState state = in.state();
                final Fractum f = in.asFractum();
                if( f != null ) {
                 // out.println( f );

                 // final CommandPoint p = in.asCommandPoint();
                 // if( p != null ) {
                 //  // out.println( p );
                 //     out.println( p.tagName() );
                 //     out.println( p.modifierSet() );
                 //     out.println( p.appendageClause() );
                 //     ; }

                    out.println( f.tagName() );
                    printComponentsOf( f, "    " );
                    ; }
                else {
                    out.print( "    " );
                    out.println( state ); }
                if( state.isFinal() ) break;
                in.next(); }}
        catch( final ParseError x ) {
            out.print( sourceFile );
            out.print( ':' );
            out.print( x.lineNumber );
            out.print( ": " );
            out.println( x ); }
         // x.printStackTrace( out ); }
        catch( final IllegalParseState x ) {
            out.print( sourceFile );
            out.print( ':' );
            out.print( x.pointer.lineNumber );
            out.print( ": " );
            out.println( x ); }}
         // x.printStackTrace( out ); }}



    private static void printComponentsOf( final Granum granum, final String indent ) throws ParseError {
        for( final Granum component: granum.components() ) {
            out.print( indent );
         // out.println( component.tagName() );
            out.println( component );
            printComponentsOf( component, indent + "    " ); }}}