private void buildRuleExpression(BuildState state, p_RuleExpression ruleExpression)
{
foreach (var pRuleExpressionRulePiece in ruleExpression.rulePieces)
{
var myLoc = state.nextGoodState;
checkBuilder.AppendLine(" nextPiece" + state.nextGoodState++ + ":");
checkBuilder.AppendLine("symbolGenerator.PushState(); ");
state.PushCurrentName(null);
state.PushNotNeeded(false);
state.PushBadLocation("nextPiece" + state.nextGoodState);
if (pRuleExpressionRulePiece.HasNamePrefix)
{
state.SetCurrentName(pRuleExpressionRulePiece.NamePrefix.name);
}
switch (pRuleExpressionRulePiece.suffix)
{
case p_RuleExpression_rulePiece_suffix.QuestionMark:
state.SetNotNeeded(true);
break;
case p_RuleExpression_rulePiece_suffix.Multiply:
state.PushInLoop(true);
state.PushBadLocation("loopBad" + myLoc);
break;
default:
break;
}
switch (pRuleExpressionRulePiece.rule.ruleType)
{
case p_RuleExpression_rulePiece_ruleType.OrPiece:
buildOrPiece(state, pRuleExpressionRulePiece.rule.OrPiece);
break;
case p_RuleExpression_rulePiece_ruleType.String:
checkBuilder.AppendFormat(
@"
if (checkSymbol(""{0}""))
{{
symbolGenerator.RestoreState();
goto {1};
}} else {{
symbolGenerator.PopState();
goto {2};
}}
",
pRuleExpressionRulePiece.rule.String,
state.GoodLocation,
state.NotNeeded ? state.GoodLocation : state.BadLocation(state.nextGoodState));
break;
case p_RuleExpression_rulePiece_ruleType.DecreaseTab:
break;
case p_RuleExpression_rulePiece_ruleType.IncreaseTab:
break;
case p_RuleExpression_rulePiece_ruleType.RulePiece:
checkBuilder.AppendFormat(
@"{{
symbolGenerator.PushState();
if (check{0}())
{{
symbolGenerator.RestoreState();
goto {1};
}} else {{
symbolGenerator.PopState();
goto {2};
}}
}}",
pRuleExpressionRulePiece.rule.String, state.GoodLocation,
state.NotNeeded ? state.GoodLocation : state.BadLocation(state.nextGoodState));
break;
default:
throw new ArgumentOutOfRangeException();
}
if (pRuleExpressionRulePiece.suffix == p_RuleExpression_rulePiece_suffix.Multiply)
{
state.PopBadLocation();
checkBuilder.AppendLine(string.Format(@"nextPiece{0}:
symbolGenerator.RestoreState();
goto topOfLoop{1};", state.nextGoodState++, myLoc));
checkBuilder.AppendLine(string.Format(@"loopBad{0}:
symbolGenerator.PopState();
goto {1};", myLoc++, state.BadLocation(state.nextGoodState)));
state.PopInLoop();
}
state.PopCurrentName();
state.PopNotNeeded();
state.PopBadLocation();
}
checkBuilder.AppendLine("nextPiece" + state.nextGoodState++ + ": goto " + state.BadLocation(state.nextGoodState) + ";");
}
private p_RuleExpression obtainRuleExpression()
{
p_RuleExpression ruleExpression = new p_RuleExpression();
ruleExpression.rulePieces = new List<p_RuleExpression_rulePiece>();
while (true)
{
p_RuleExpression_rulePiece piece = new p_RuleExpression_rulePiece();
if (piece.HasNamePrefix = resetState(checkNamePrefix))
{
piece.NamePrefix = obtainNamePrefix();
}
{
if (resetState(checkOrPiece))
{
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.OrPiece, obtainOrPiece());
goto nextPiece1;
}
}
if (resetState(checkString))
{
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.String, obtainString());
goto nextPiece1;
}
{
symbolGenerator.PushState();
if (symbolGenerator.Advance().isIdentifier("tab"))
{
if (symbolGenerator.Advance().isSymbol("<"))
{
symbolGenerator.RestoreState();
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.DecreaseTab);
goto nextPiece1;
}
}
symbolGenerator.PopState();
}
{
symbolGenerator.PushState();
if (symbolGenerator.Advance().isIdentifier("tab"))
{
if (symbolGenerator.Advance().isSymbol(">"))
{
symbolGenerator.RestoreState();
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.IncreaseTab);
goto nextPiece1;
}
}
symbolGenerator.PopState();
}
if (resetState(checkIdentifier))
{
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.RulePiece, obtainIdentifier());
goto nextPiece1;
}
goto goodDone;
nextPiece1:
{
symbolGenerator.PushState();
if (symbolGenerator.Advance().isSymbol("?"))
{
symbolGenerator.RestoreState();
piece.suffix = p_RuleExpression_rulePiece_suffix.QuestionMark;
}
else
symbolGenerator.PopState();
}
{
symbolGenerator.PushState();
if (symbolGenerator.Advance().isSymbol("*"))
{
symbolGenerator.RestoreState();
piece.suffix = p_RuleExpression_rulePiece_suffix.Multiply;
}
else
symbolGenerator.PopState();
}
ruleExpression.rulePieces.Add(piece);
continue;
}
goodDone:
return ruleExpression;
}
private void buildRuleExpression(BuildState state, p_RuleExpression ruleExpression)
{
foreach (var pRuleExpressionRulePiece in ruleExpression.rulePieces)
{
var myLoc = state.nextGoodState;
checkBuilder.AppendLine(" nextPiece" + state.nextGoodState++ + ":");
checkBuilder.AppendLine("symbolGenerator.PushState(); ");
state.PushCurrentName(null);
state.PushNotNeeded(false);
state.PushBadLocation("nextPiece" + state.nextGoodState);
if (pRuleExpressionRulePiece.HasNamePrefix)
{
state.SetCurrentName(pRuleExpressionRulePiece.NamePrefix.name);
}
switch (pRuleExpressionRulePiece.suffix)
{
case p_RuleExpression_rulePiece_suffix.QuestionMark:
state.SetNotNeeded(true);
break;
case p_RuleExpression_rulePiece_suffix.Multiply:
state.PushInLoop(true);
state.PushBadLocation("loopBad" + myLoc);
break;
default:
break;
}
switch (pRuleExpressionRulePiece.rule.ruleType)
{
case p_RuleExpression_rulePiece_ruleType.OrPiece:
buildOrPiece(state, pRuleExpressionRulePiece.rule.OrPiece);
break;
case p_RuleExpression_rulePiece_ruleType.String:
checkBuilder.AppendFormat(
@"
if (checkSymbol(""{0}""))
{{
symbolGenerator.RestoreState();
goto {1};
}} else {{
symbolGenerator.PopState();
goto {2};
}}
",
pRuleExpressionRulePiece.rule.String,
state.GoodLocation,
state.NotNeeded ? state.GoodLocation : state.BadLocation(state.nextGoodState));
break;
case p_RuleExpression_rulePiece_ruleType.DecreaseTab:
break;
case p_RuleExpression_rulePiece_ruleType.IncreaseTab:
break;
case p_RuleExpression_rulePiece_ruleType.RulePiece:
checkBuilder.AppendFormat(
@"{{
symbolGenerator.PushState();
if (check{0}())
{{
symbolGenerator.RestoreState();
goto {1};
}} else {{
symbolGenerator.PopState();
goto {2};
}}
}}",
pRuleExpressionRulePiece.rule.String, state.GoodLocation,
state.NotNeeded ? state.GoodLocation : state.BadLocation(state.nextGoodState));
break;
default:
throw new ArgumentOutOfRangeException();
}
if (pRuleExpressionRulePiece.suffix == p_RuleExpression_rulePiece_suffix.Multiply)
{
state.PopBadLocation();
checkBuilder.AppendLine(string.Format(@"nextPiece{0}:
symbolGenerator.RestoreState();
goto topOfLoop{1};", state.nextGoodState++, myLoc));
checkBuilder.AppendLine(string.Format(@"loopBad{0}:
symbolGenerator.PopState();
goto {1};", myLoc++, state.BadLocation(state.nextGoodState)));
state.PopInLoop();
}
state.PopCurrentName();
state.PopNotNeeded();
state.PopBadLocation();
}
checkBuilder.AppendLine("nextPiece" + state.nextGoodState++ + ": goto " + state.BadLocation(state.nextGoodState) + ";");
}
private p_RuleExpression obtainRuleExpression()
{
p_RuleExpression ruleExpression = new p_RuleExpression();
ruleExpression.rulePieces = new List <p_RuleExpression_rulePiece>();
while (true)
{
p_RuleExpression_rulePiece piece = new p_RuleExpression_rulePiece();
if (piece.HasNamePrefix = resetState(checkNamePrefix))
{
piece.NamePrefix = obtainNamePrefix();
}
{
if (resetState(checkOrPiece))
{
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.OrPiece, obtainOrPiece());
goto nextPiece1;
}
}
if (resetState(checkString))
{
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.String, obtainString());
goto nextPiece1;
}
{
symbolGenerator.PushState();
if (symbolGenerator.Advance().isIdentifier("tab"))
{
if (symbolGenerator.Advance().isSymbol("<"))
{
symbolGenerator.RestoreState();
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.DecreaseTab);
goto nextPiece1;
}
}
symbolGenerator.PopState();
}
{
symbolGenerator.PushState();
if (symbolGenerator.Advance().isIdentifier("tab"))
{
if (symbolGenerator.Advance().isSymbol(">"))
{
symbolGenerator.RestoreState();
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.IncreaseTab);
goto nextPiece1;
}
}
symbolGenerator.PopState();
}
if (resetState(checkIdentifier))
{
piece.rule = new p_RuleExpression_rulePiece_rule(p_RuleExpression_rulePiece_ruleType.RulePiece, obtainIdentifier());
goto nextPiece1;
}
goto goodDone;
nextPiece1:
{
symbolGenerator.PushState();
if (symbolGenerator.Advance().isSymbol("?"))
{
symbolGenerator.RestoreState();
piece.suffix = p_RuleExpression_rulePiece_suffix.QuestionMark;
}
else
{
symbolGenerator.PopState();
}
}
{
symbolGenerator.PushState();
if (symbolGenerator.Advance().isSymbol("*"))
{
symbolGenerator.RestoreState();
piece.suffix = p_RuleExpression_rulePiece_suffix.Multiply;
}
else
{
symbolGenerator.PopState();
}
}
ruleExpression.rulePieces.Add(piece);
continue;
}
goodDone:
return(ruleExpression);
}