AST* Parser::statement(Scope* ps)
{
AST* ret = NULL;
if (expect(";"))
{
ret = emptyStatement();
}
else if (expect("var"))
{
ret = varStatement(ps);
opteol();
}
else if (expect("{"))
{
ret = block(ps);
opteol();
}
else if (expect("if"))
{
ret = ifStatement(ps);
}
else if (expect("switch"))
{
ret = switchStatement(ps);
}
else if (expect("do"))
{
ret = doStatement(ps);
opteol();
}
else if (expect("while"))
{
ret = whileStatement(ps);
}
else if (expect("for"))
{
ret = forStatement(ps);
}
else if (expect("with"))
{
ret = withStatement(ps);
}
else if (expect("continue"))
{
ret = continueStatement();
opteol();
}
else if (expect("break"))
{
ret = breakStatement();
opteol();
}
else if (expect("return"))
{
ret = returnStatement(ps);
opteol();
}
else if (expect("try"))
{
ret = tryStatement(ps);
}
else if (expect("throw"))
{
ret = throwStatement(ps);
opteol();
}
else
{
ret = expression(0, ps);
opteol();
}
return ret;
}
void ArduinoBASIC::handleChar ( PSTRStrings & cannedProgram, char ch )
{
int gotStatement = statements.matchString (ch, false);
int gotCommand = commands.matchString (ch, false);
char c;
int value;
if (lastStatement > -1)
{
// Save uninterpretted parameters to EEPROM
continueStatement (ch);
if (ch == 13)
lastStatement = -1; // done
}
else if (gotStatement > -1)
{
debugUtils.printPSTR ( PSTR ( "Matched on statement: " ) );
statements.printString ( gotStatement );
eepromProgram.addCh (gotStatement, true);
lastStatement = gotStatement;
}
else // Check for command
{
if (gotCommand > -1)
{
//debugUtils.printPSTR ( PSTR ( "gotCommand: " ) );
//Serial.println ( gotCommand );
//commands.printString ( gotCommand );
//debugUtils.printPSTR ( PSTR ( "\n" ) );
switch (gotCommand)
{
case 0:
debugUtils.printPSTR ( PSTR ( "Commands: \n" ));
commands.show(1,NUMBER_OF_COMMANDS);
debugUtils.printPSTR ( PSTR ( "\nstatements: \n" ));
statements.show(1,NUMBER_OF_STATEMENTS);
break;
case 1:
eepromProgram.showSteps();
break;
case 2:
eepromProgram.clear();
break;
case 3:
eepromProgram.dump();
break;
case 4:
eepromProgram.run();
break;
case 5: // remove a line
value = eepromProgram.readDec ( &c);
eepromProgram.removeLine(value);
break;
case 6: // Load program from canned list
loadProgram ( cannedProgram );
break;
case 7: // Stop the program
eepromProgram.writeTestState (0);
debugUtils.printPSTR ( PSTR ( "*Test now idle*" ) );
break;
case 8: // Show test state
debugUtils.printPSTR ( PSTR ( "Test state: " ) );
Serial.println ( eepromProgram.testState);
break;
default:
break;
}
}
}
}
