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Initial REM removal. Have yet to fix up line numbers that go away.

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This commit is contained in:
Rob Greene 2018-05-14 18:48:52 -05:00
parent ed6227bb97
commit 411748ad52
1 changed files with 8 additions and 1 deletions
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9
src/main/java/io/github/applecommander/bastokenizer/Optimization.java
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@ -4,6 +4,7 @@ import com.webcodepro.applecommander.util.applesoft.Line;
import com.webcodepro.applecommander.util.applesoft.Program;
import com.webcodepro.applecommander.util.applesoft.Statement;
import com.webcodepro.applecommander.util.applesoft.Token;
import com.webcodepro.applecommander.util.applesoft.Token.Type;
import com.webcodepro.applecommander.util.applesoft.Visitor;
import picocli.CommandLine.ITypeConverter;
@ -14,6 +15,12 @@ public enum Optimization {
public Statement visit(Statement statement) {
return statement.tokens.isEmpty() ? null : statement;
}
}),
REMOVE_REM_STATEMENTS(new BaseVisitor() {
@Override
public Statement visit(Statement statement) {
return statement.tokens.get(0).type == Type.COMMENT ? null : statement;
}
})
;
@ -47,7 +54,7 @@ public enum Optimization {
Program newProgram = new Program();
program.lines.forEach(l -> {
Line line = l.accept(this);
if (line != null) newProgram.lines.add(line);
if (line != null && !line.statements.isEmpty()) newProgram.lines.add(line);
});
return newProgram;
}