static void CopySourcePart (Position pos, int indent) {
// Copy text described by pos from atg to gen
int ch, nChars, i;
if (pos != null) {
Buffer.Pos = pos.beg; ch = Buffer.Read(); nChars = pos.len - 1;
// CHANGES BY M.KRUEGER (#line pragma generation)
gen.WriteLine();
gen.WriteLine(String.Format("#line {0} \"{1}\" ", Buffer.CountLines(pos.beg) + 1, Buffer.fileName));
// EOC
Indent(indent);
while (nChars >= 0) {
while (ch == CR || ch == LF) { // eol is either CR or CRLF or LF
gen.WriteLine(); Indent(indent);
if (ch == CR) { ch = Buffer.Read(); nChars--; } // skip CR
if (ch == LF) { ch = Buffer.Read(); nChars--; } // skip LF
for (i = 1; i <= pos.col && ch <= ' '; i++) {
// skip blanks at beginning of line
ch = Buffer.Read(); nChars--;
}
if (i <= pos.col) pos.col = i - 1; // heading TABs => not enough blanks
if (nChars < 0) goto done;
}
gen.Write((char)ch);
ch = Buffer.Read(); nChars--;
}
done:
if (indent > 0) gen.WriteLine();
}
}
public ParserGen(Parser parser)
{
tab = parser.tab;
errors = parser.errors;
trace = parser.trace;
buffer = parser.scanner.buffer;
errorNr = -1;
usingPos = null;
}
protected void CopySourcePart(Position pos, int indent)
{
if (tab.lineDirectives && pos != null && pos.lineNumber > 0) {
if (indent == 0) gen.WriteLine();
gen.WriteLine("#line " + pos.lineNumber + " " + Path.GetFileName(tab.srcName));
}
tab.CopySourcePart(gen, pos, indent);
if (tab.lineDirectives && pos != null && pos.lineNumber > 0) {
if (indent == 0) gen.WriteLine();
else gen.Write(new string('\t', indent));
gen.WriteLine("#line default");
}
}
void CopySourcePart (Position pos, int indent) {
// Copy text described by pos from atg to gen
int ch, i;
if (pos != null) {
buffer.Pos = pos.beg; ch = buffer.Read();
Indent(indent);
while (buffer.Pos <= pos.end) {
while (ch == CR || ch == LF) { // eol is either CR or CRLF or LF
gen.WriteLine(); Indent(indent);
if (ch == CR) ch = buffer.Read(); // skip CR
if (ch == LF) ch = buffer.Read(); // skip LF
for (i = 1; i <= pos.col && (ch == ' ' || ch == '\t'); i++) {
// skip blanks at beginning of line
ch = buffer.Read();
}
if (i <= pos.col) pos.col = i - 1; // heading TABs => not enough blanks
if (buffer.Pos > pos.end) goto done;
}
gen.Write((char)ch);
ch = buffer.Read();
}
done:
if (indent > 0) gen.WriteLine();
}
}
void Resolver(
#line 398 "Coco.atg" //SOURCE beg=18206,len=16,col=10
out Position pos
#line default //END SOURCE
) {
Expect(38);
Expect(31);
#line 399 "Coco.atg" //SOURCE beg=18267,len=36,col=37
int beg = la.pos; int col = la.col;
#line default //END SOURCE
Condition();
#line 400 "Coco.atg" //SOURCE beg=18343,len=79,col=37
pos = new Position(beg, t.pos - beg, col, GetVirtualFile(), GetVirtualLine());
#line default //END SOURCE
}
void SemText(
#line 494 "Coco.atg" //SOURCE beg=22445,len=16,col=9
out Position pos
#line default //END SOURCE
) {
Expect(40);
#line 495 "Coco.atg" //SOURCE beg=22502,len=66,col=36
int beg = la.pos; int col = la.col; int vline = GetVirtualLine();
#line default //END SOURCE
while (StartOf(13)) {
if (StartOf(14)) {
Get();
} else if (la.kind == _badString) {
Get();
#line 497 "Coco.atg" //SOURCE beg=22616,len=41,col=36
SemErr("bad string in semantic action");
#line default //END SOURCE
} else {
Get();
#line 498 "Coco.atg" //SOURCE beg=22696,len=51,col=36
SemErr("missing end of previous semantic action");
#line default //END SOURCE
}
}
Expect(41);
#line 500 "Coco.atg" //SOURCE beg=22791,len=68,col=36
pos = new Position(beg, t.pos - beg, col, GetVirtualFile(), vline);
#line default //END SOURCE
}
void SemText(out Position pos)
{
Expect(39);
int beg = la.pos; int col = la.col;
while (StartOf(13)) {
if (StartOf(14)) {
Get();
} else if (la.kind == 4) {
Get();
SemErr("bad string in semantic action");
} else {
Get();
SemErr("missing end of previous semantic action");
}
}
Expect(40);
pos = new Position(beg, t.pos - beg, col);
}
void Resolver(out Position pos) {
Expect(37);
Expect(30);
int beg = la.pos; int col = la.col;
Condition();
pos = new Position(beg, t.pos, col);
}
public static void Init (string file, string dir) {
srcName = file;
srcDir = dir;
errorNr = -1;
usingPos = null;
}
void Resolver(out Position pos)
{
Expect(44);
Expect(37);
int beg = la.pos; int col = la.col; int line = la.line;
Condition();
pos = new Position(beg, t.pos, col, line);
}
string GetSource(Position pos)
{
StringWriter w = new StringWriter();
tab.CopySourcePart(w, pos, 0);
return w.ToString();
}
bool IsNamedFirstSet(Position pos)
{
return GetSource(pos).StartsWith(namedFirstSetMarker, StringComparison.Ordinal);
}
public void CopySourcePart(TextWriter dest, Position pos, int indent)
{
// Copy text described by pos from atg to dest
if (pos != null)
{
int ch, i;
buffer.Pos = pos.beg;
ch = buffer.Read();
// skip lead whitespace - only arises in some circumstances,
// such as when surrounding tokens are used to define the content.
while
(
buffer.Pos <= pos.end
&& (ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n')
)
{
ch = buffer.Read();
}
// track if the line might need indenting (eg, after a newline)
bool mightIndent = true;
while (buffer.Pos <= pos.end)
{
// eol is either CR or CRLF or LF
while (ch == CR || ch == LF)
{
dest.WriteLine();
mightIndent = true;
if (ch == CR) ch = buffer.Read(); // skip CR
if (ch == LF) ch = buffer.Read(); // skip LF
for (i = 1; i <= pos.col && (ch == ' ' || ch == '\t'); i++) {
// skip blanks at beginning of line
ch = buffer.Read();
}
if (i <= pos.col) pos.col = i - 1; // heading TABs => not enough blanks
if (buffer.Pos > pos.end) goto Done;
}
if (buffer.Pos == pos.end && ch == ' ')
{
// disallow extra trailing blank that would otherwise
// sneak in with this common construction:
// (. code .) vs. the less readable (.code.)
}
else
{
if (mightIndent)
{
for (int t=0; t < indent; ++t) dest.Write('\t');
mightIndent = false;
}
dest.Write((char)ch);
}
ch = buffer.Read();
}
Done:
if (indent > 0) dest.WriteLine();
}
}
void ParseResolver(out Position pos)
{
Expect(39);
Expect(32);
int beg = la.pos; int col = la.col;
ParseCondition();
pos = new Position(beg, t.pos, col);
}
void UsingDecl(out Position pos)
{
Expect(41);
int beg = t.pos;
while (StartOf(4)) {
Get();
}
Expect(42);
int end = t.pos;
while (la.kind == 41) {
Get();
while (StartOf(4)) {
Get();
}
Expect(42);
end = t.pos;
}
pos = new Position(beg, end - beg + 1, 0);
}
string Pos(Position pos) {
if (pos == null) return " "; else return String.Format("{0,5}", pos.beg);
}
void CopySourcePart(Position pos, int indent)
{
// Copy text described by pos from atg to gen
int ch, i;
if (pos != null) {
buffer.Pos = pos.beg; ch = buffer.Read();
if (tab.emitLines) {
gen.WriteLine();
gen.WriteLine("#line {0} \"{1}\"", pos.line, tab.srcName);
}
Indent(indent);
while (buffer.Pos <= pos.end) {
while (ch == CR || ch == LF) { // eol is either CR or CRLF or LF
gen.WriteLine(); Indent(indent);
if (ch == CR) ch = buffer.Read(); // skip CR
if (ch == LF) ch = buffer.Read(); // skip LF
for (i = 1; i <= pos.col && (ch == ' ' || ch == '\t'); i++) {
// skip blanks at beginning of line
ch = buffer.Read();
}
if (buffer.Pos > pos.end) goto done;
}
gen.Write((char)ch);
ch = buffer.Read();
}
done:
if (indent > 0) gen.WriteLine();
}
}
void ExpectedConflict(out Position pos, out List<Symbol> conflictSymbols)
{
Symbol sym; conflictSymbols = new List<Symbol>();
Expect(45);
Expect(37);
int beg = la.pos; int col = la.col; int line = la.line;
ConflictSymbol(out sym);
if (sym != null) conflictSymbols.Add(sym);
while (la.kind == 46) {
Get();
ConflictSymbol(out sym);
if (sym != null) conflictSymbols.Add(sym);
}
Expect(38);
pos = new Position(beg, t.pos, col, line);
}
void CopySourcePart (Position pos, int indent) {
// Copy text described by pos from atg to gen
if (DirectDebug)
{
//-- PxCoco: Added #line directives and some gen.WriteLine's
//-- PxCoco: ident is being ignored in favor of the original indention for error mapping
int nChars;
if (pos != null)
{
buffer.Pos = pos.beg; nChars = pos.len - 1;
if (nChars >= 0)
{
gen.WriteLine("\n#line {0} \"{1}\" //SOURCE beg={2},len={3},col={4}", pos.virtualLine, pos.virtualFile == null ? "~grammar file~" : pos.virtualFile, pos.beg, pos.len, pos.col);
indent = pos.col;
Indent(indent);
//just copy
while (nChars-- >= 0)
gen.Write((char)buffer.Read());
gen.WriteLine("\n#line default //END SOURCE");
} //End If: No chars in source
} //End If: pos exists
}
else
{
// Copy text described by pos from atg to gen
int ch, nChars, i;
if (pos != null)
{
buffer.Pos = pos.beg; ch = buffer.Read(); nChars = pos.len - 1;
Indent(indent);
if(nChars >= 0)
gen.Write("/*{1}:{0}*/", pos.virtualLine, pos.virtualFile == null ? "~grammar~" : System.IO.Path.GetFileName(pos.virtualFile));
while (nChars >= 0)
{
while (ch == CR || ch == LF)
{ // eol is either CR or CRLF or LF
gen.WriteLine(); Indent(indent);
if (ch == CR) { ch = buffer.Read(); nChars--; } // skip CR
if (ch == LF) { ch = buffer.Read(); nChars--; } // skip LF
for (i = 1; i <= pos.col && (ch == ' ' || ch == '\t'); i++)
{
// skip blanks at beginning of line
ch = buffer.Read(); nChars--;
}
if (i <= pos.col) pos.col = i - 1; // heading TABs => not enough blanks
if (nChars < 0) goto done;
}
gen.Write((char)ch);
ch = buffer.Read(); nChars--;
}
done:
if (indent > 0) gen.WriteLine();
}
}
}
void SemText(out Position pos)
{
Expect(48);
int beg = la.pos; int col = la.col; int line = la.line;
while (StartOf(15)) {
if (StartOf(16)) {
Get();
} else if (la.kind == 4) {
Get();
SemErr("bad string in semantic action");
} else {
Get();
SemErr("missing end of previous semantic action");
}
}
Expect(49);
pos = new Position(beg, t.pos, col, line);
}
static void ResolveExpr(out Position pos) {
Expect(35);
Expect(28);
int beg = la.pos; int col = la.col;
if (la.kind == 8 || la.kind == 36) {
if (la.kind == 8) {
Get();
} else {
Get();
}
CondPart();
} else if (la.kind == 28) {
Get();
CondPart();
Expect(29);
} else if (StartOf(21)) {
Get();
CondPart();
} else SynErr(52);
pos = new Position(beg, t.pos - beg, col);
}
void CopySourcePart(Position pos, int indent)
{
tab.CopySourcePart(gen, pos, indent);
}
public ParserOutput(Tab tab, Errors errors, TextWriter trace, Buffer buffer, Position uspos)
{
this.tab = tab;
this.errors = errors;
this.trace = trace;
this.buffer = buffer;
this.usingPos = uspos;
errorNr = -1;
}