} // NT_ActParList
private static void NT_IfStat()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1: // SEM
mc++;
break;
case 2:
NT_Expr();
break;
case 3:
NT_Stat();
break;
case 4: // SEM
mc++;
break;
case 5:
NT_Stat();
break;
} // switch
} // for
} // NT_IfStat
// *** end of global SYN and SEM declarations from ATG ***
private static void NT_MiniCPP()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_ConstDecl();
break;
case 2:
NT_VarDefOrFuncDeclOrDef();
break;
case 3: // SEM
Console.WriteLine($"Lines of code: {MiniCPPLex.tokenLine - 1}");
Console.WriteLine($"Lines of statements: {stc}");
Console.WriteLine($"Complexity by McCabe: {mc}");
break;
} // switch
} // for
} // NT_MiniCPP
} // NT_Stat
private static void NT_IdentStat()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
Lex.GETidentAttr();
break;
case 2:
NT_Expr();
break;
case 3:
NT_Expr();
break;
case 4:
NT_ActParList();
break;
} // switch
} // for
} // NT_IdentStat
} // NT_NonVoidType
private static void NT_Block()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_ConstDecl();
break;
case 2:
NT_Type();
break;
case 3:
Lex.GETidentAttr();
break;
case 4:
NT_VarDef();
break;
case 5:
NT_Stat();
break;
} // switch
} // for
} // NT_Block
} // NT_MiniCPP
private static void NT_VarDefOrFuncDeclOrDef()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Type();
break;
case 2:
Lex.GETidentAttr();
break;
case 3:
NT_VarDef();
break;
case 4:
NT_FuncHead();
break;
case 5:
NT_Block();
break;
} // switch
} // for
} // NT_VarDefOrFuncDeclOrDef
} // NT_InputStat
private static void NT_OutputStat()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Expr();
break;
case 2:
Lex.GETstringAttr();
break;
case 3:
NT_Expr();
break;
case 4:
Lex.GETstringAttr();
break;
} // switch
} // for
} // NT_OutputStat
} // NT_Type
private static void NT_NonVoidType()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
} // switch
} // for
} // NT_NonVoidType
} // NT_WhileStat
private static void NT_BreakStat()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
} // switch
} // for
} // NT_BreakStat
} // NT_Block
private static void NT_Stat()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1: // SEM
stc++;
break;
case 2:
NT_IdentStat();
break;
case 3:
NT_IfStat();
break;
case 4:
NT_WhileStat();
break;
case 5:
NT_BreakStat();
break;
case 6:
NT_InputStat();
break;
case 7:
NT_OutputStat();
break;
case 8:
NT_DeleteStat();
break;
case 9:
NT_ReturnStat();
break;
case 10:
NT_Block();
break;
} // switch
} // for
} // NT_Stat
} // NT_VarDef
private static void NT_FuncHead()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_FormParList();
break;
} // switch
} // for
} // NT_FuncHead
} // NT_ConstDecl
private static void NT_Init()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
Lex.GETnumberAttr();
break;
} // switch
} // for
} // NT_Init
} // NT_Term
private static void NT_NotFact()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Fact();
break;
} // switch
} // for
} // NT_NotFact
} // NT_DeleteStat
private static void NT_ReturnStat()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Expr();
break;
} // switch
} // for
} // NT_ReturnStat
} // NT_OutputStat
private static void NT_DeleteStat()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
Lex.GETidentAttr();
break;
} // switch
} // for
} // NT_DeleteStat
public static void StartSem()
{
//-----------------------------------|----------------------------------------
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_MiniCPP();
break;
} // switch
} // for
} // StartSem
} // NT_RelExpr
private static void NT_SimpleExpr()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Term();
break;
case 2:
NT_Term();
break;
} // switch
} // for
} // NT_SimpleExpr
} // NT_NotFact
private static void NT_Fact()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
Lex.GETnumberAttr();
break;
case 2:
Lex.GETidentAttr();
break;
case 3:
NT_Expr();
break;
case 4:
NT_ActParList();
break;
case 5:
NT_Type();
break;
case 6:
NT_Expr();
break;
case 7:
NT_Expr();
break;
} // switch
} // for
} // NT_Fact
} // NT_FuncHead
private static void NT_FormParList()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_FormParListRest();
break;
case 2:
NT_NonVoidType();
break;
case 3:
NT_FormParListRest();
break;
} // switch
} // for
} // NT_FormParList
} // NT_FormParList
private static void NT_FormParListRest()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
Lex.GETidentAttr();
break;
case 2:
NT_Type();
break;
case 3:
Lex.GETidentAttr();
break;
} // switch
} // for
} // NT_FormParListRest
} // NT_Init
private static void NT_VarDef()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Init();
break;
case 2:
Lex.GETidentAttr();
break;
case 3:
NT_Init();
break;
} // switch
} // for
} // NT_VarDef
} // Abort
private static int CompileFile(String srcFileName)
{
FileStream srcFs = null;
try {
srcFs = new FileStream(srcFileName, FileMode.Open);
} catch (Exception) {
Console.WriteLine("*** file \"{0}\" not found", srcFileName);
return(Utils.EXIT_FAILURE);
} // try/catch
try {
Lex.src = new StreamReader(srcFs);
Console.WriteLine("parsing ...");
Syn.Parse();
Lex.src.Close();
Lex.src.Dispose();
Lex.src = null;
if (Errors.NumOfErrors() > 0)
{
Console.WriteLine("listing ...");
String lstFileName = Path.ChangeExtension(srcFileName, ".lst");
FileStream lstFs = null;
try {
lstFs = new FileStream(lstFileName, FileMode.Create);
} catch (Exception) {
Utils.FatalError(NAME, "CompileFile", "file \"{0}\" not created", lstFileName);
return(Utils.EXIT_FAILURE);
} // try/catch
StreamWriter lstWriter = null;
try {
lstWriter = new StreamWriter(lstFs);
StreamReader srcFsReader = null;
try { // open the source file a second time to generate the error listing
srcFsReader = new StreamReader(new FileStream(srcFileName, FileMode.Open));
lstWriter.WriteLine(NAME + " (file: \"{0}\")", srcFileName);
Errors.GenerateListing(srcFsReader, lstWriter, Errors.ListingShape.longListing);
} finally {
srcFsReader.Close();
srcFsReader.Dispose();
} // try/finally
Console.WriteLine("{0} error(s) detected", Errors.NumOfErrors());
} finally {
lstWriter.Close();
lstWriter.Dispose();
} // try/finally
}
else
{
Console.WriteLine("no errors detected");
}
} finally {
if (Lex.src != null)
{
Lex.src.Close();
Lex.src.Dispose();
Lex.src = null;
} // if
Utils.Modules(Utils.ModuleAction.resetModule);
} // try/finally to make sure srcFs and srcReader are closed
return(Utils.EXIT_SUCCESS);
} // CompileFile