private void ParseRhs(NonTerminal lhs)
{
Production production = new Production(lhs);
int num = 0;
while (this.token == GrammarToken.Symbol || this.token == GrammarToken.Literal || this.token == GrammarToken.Action || this.token == GrammarToken.Prec)
{
GrammarToken grammarToken = this.token;
switch (grammarToken)
{
case GrammarToken.Symbol:
if (this.grammar.terminals.ContainsKey(this.scanner.yylval))
{
production.rhs.Add(this.grammar.terminals[this.scanner.yylval]);
}
else
{
production.rhs.Add(this.grammar.LookupNonTerminal(this.scanner.yylval));
}
this.Advance();
num++;
break;
case GrammarToken.Literal:
production.rhs.Add(this.grammar.LookupTerminal(this.token, this.scanner.yylval));
this.Advance();
num++;
break;
case GrammarToken.Action:
{
SemanticAction semanticAction = new SemanticAction(production, this.tokenStartLine, num, this.scanner.yylval);
this.Advance();
if (this.token == GrammarToken.Divider || this.token == GrammarToken.SemiColon || this.token == GrammarToken.Prec)
{
production.semanticAction = semanticAction;
}
else
{
Grammar arg_1BA_0 = this.grammar;
string arg_1B5_0 = "@";
int num2 = ++this.grammar.NumActions;
NonTerminal nonTerminal = arg_1BA_0.LookupNonTerminal(arg_1B5_0 + num2.ToString());
Production production2 = new Production(nonTerminal);
production2.semanticAction = semanticAction;
this.grammar.AddProduction(production2);
production.rhs.Add(nonTerminal);
}
num++;
break;
}
default:
if (grammarToken == GrammarToken.Prec)
{
this.Advance();
if (this.token == GrammarToken.Symbol)
{
production.prec = this.grammar.LookupTerminal(this.token, this.scanner.yylval).prec;
this.Advance();
}
else
{
this.scanner.ReportError("Expected symbol after %prec", new object[0]);
}
}
break;
}
}
this.grammar.AddProduction(production);
Precedence.Calculate(production);
}
private void ParseRhs(NonTerminal lhs)
{
Production production = new Production(lhs);
int num = 0;
while (this.token == GrammarToken.Symbol || this.token == GrammarToken.Literal || this.token == GrammarToken.Action || this.token == GrammarToken.Prec)
{
GrammarToken grammarToken = this.token;
switch (grammarToken)
{
case GrammarToken.Symbol:
if (this.grammar.terminals.ContainsKey(this.scanner.yylval))
{
production.rhs.Add(this.grammar.terminals[this.scanner.yylval]);
}
else
{
production.rhs.Add(this.grammar.LookupNonTerminal(this.scanner.yylval));
}
this.Advance();
num++;
break;
case GrammarToken.Literal:
production.rhs.Add(this.grammar.LookupTerminal(this.token, this.scanner.yylval));
this.Advance();
num++;
break;
case GrammarToken.Action:
{
SemanticAction semanticAction = new SemanticAction(production, this.tokenStartLine, num, this.scanner.yylval);
this.Advance();
if (this.token == GrammarToken.Divider || this.token == GrammarToken.SemiColon || this.token == GrammarToken.Prec)
{
production.semanticAction = semanticAction;
}
else
{
Grammar arg_1BA_0 = this.grammar;
string arg_1B5_0 = "@";
int num2 = ++this.grammar.NumActions;
NonTerminal nonTerminal = arg_1BA_0.LookupNonTerminal(arg_1B5_0 + num2.ToString());
Production production2 = new Production(nonTerminal);
production2.semanticAction = semanticAction;
this.grammar.AddProduction(production2);
production.rhs.Add(nonTerminal);
}
num++;
break;
}
default:
if (grammarToken == GrammarToken.Prec)
{
this.Advance();
if (this.token == GrammarToken.Symbol)
{
production.prec = this.grammar.LookupTerminal(this.token, this.scanner.yylval).prec;
this.Advance();
}
else
{
this.scanner.ReportError("Expected symbol after %prec", new object[0]);
}
}
break;
}
}
this.grammar.AddProduction(production);
Precedence.Calculate(production);
}
private void ParseRhs(NonTerminal lhs)
{
Production production = new Production(lhs);
int pos = 0;
while (token == GrammarToken.Symbol || token == GrammarToken.Literal ||
token == GrammarToken.Action || token == GrammarToken.Prec)
{
switch (token)
{
case GrammarToken.Literal:
{
production.rhs.Add(grammar.LookupTerminal(token, scanner.yylval));
Advance();
pos++;
break;
}
case GrammarToken.Symbol:
{
if (grammar.terminals.ContainsKey(scanner.yylval))
{
production.rhs.Add(grammar.terminals[scanner.yylval]);
}
else
{
production.rhs.Add(grammar.LookupNonTerminal(scanner.yylval));
}
Advance();
pos++;
break;
}
case GrammarToken.Prec:
{
Advance();
if (token == GrammarToken.Symbol)
{
production.prec = grammar.LookupTerminal(token, scanner.yylval).prec;
Advance();
}
else
{
scanner.ReportError("Expected symbol after %prec");
}
break;
}
case GrammarToken.Action:
{
SemanticAction semanticAction = new SemanticAction(production, pos, scanner.yylval);
Advance();
if (token == GrammarToken.Divider || token == GrammarToken.SemiColon || token == GrammarToken.Prec) // reduce action
{
production.semanticAction = semanticAction;
}
else
{
NonTerminal node = grammar.LookupNonTerminal("@" + (++grammar.NumActions).ToString());
Production nullProduction = new Production(node);
nullProduction.semanticAction = semanticAction;
grammar.AddProduction(nullProduction);
production.rhs.Add(node);
}
pos++;
break;
}
}
}
grammar.AddProduction(production);
Precedence.Calculate(production);
}
private void ParseRhs(NonTerminal lhs)
{
Production production = new Production(lhs);
int pos = 0;
while (token == GrammarToken.Symbol || token == GrammarToken.Literal ||
token == GrammarToken.Action || token == GrammarToken.Prec)
{
switch (token)
{
case GrammarToken.Literal:
{
production.rhs.Add(grammar.LookupTerminal(token, scanner.yylval));
Advance();
pos++;
break;
}
case GrammarToken.Symbol:
{
if (grammar.terminals.ContainsKey(scanner.yylval))
production.rhs.Add(grammar.terminals[scanner.yylval]);
else
production.rhs.Add(grammar.LookupNonTerminal(scanner.yylval));
Advance();
pos++;
break;
}
case GrammarToken.Prec:
{
Advance();
if (token == GrammarToken.Symbol)
{
production.prec = grammar.LookupTerminal(token, scanner.yylval).prec;
Advance();
}
else
scanner.ReportError("Expected symbol after %prec");
break;
}
case GrammarToken.Action:
{
SemanticAction semanticAction = new SemanticAction(production, pos, scanner.yylval);
Advance();
if (token == GrammarToken.Divider || token == GrammarToken.SemiColon || token == GrammarToken.Prec) // reduce action
production.semanticAction = semanticAction;
else
{
NonTerminal node = grammar.LookupNonTerminal("@" + (++grammar.NumActions).ToString());
Production nullProduction = new Production(node);
nullProduction.semanticAction = semanticAction;
grammar.AddProduction(nullProduction);
production.rhs.Add(node);
}
pos++;
break;
}
}
}
grammar.AddProduction(production);
Precedence.Calculate(production);
}
