/** Constructor with generated Token Manager. */
public SimpleParser(SimpleParserTokenManager tm)
{
tokenSource = tm;
token = new Token();
cc_ntKind = -1;
cc_gen = 0;
for (int i = 0; i < 0; i++) cc_la1[i] = -1;
}
/// Constructor.
public SimpleParser(System.IO.TextReader reader)
{
cc_inputStream = new SimpleCharStream(reader, 1, 1);
tokenSource = new SimpleParserTokenManager(cc_inputStream);
token = new Token();
cc_ntKind = -1;
cc_gen = 0;
for (int i = 0; i < 0; i++) cc_la1[i] = -1;
}
/// Constructor with Stream and supplied encoding
public SimpleParser(System.IO.Stream stream, System.Text.Encoding encoding)
{
cc_inputStream = new SimpleCharStream(stream, encoding, 1, 1);
tokenSource = new SimpleParserTokenManager(cc_inputStream);
token = new Token();
cc_ntKind = -1;
cc_gen = 0;
for (int i = 0; i < 0; i++) cc_la1[i] = -1;
}
public static void add_token_manager_decls(Token t, IList<Token> decls)
{
if (CSharpCCGlobals.token_mgr_decls != null) {
CSharpCCErrors.ParseError(t, "Multiple occurrence of \"TOKEN_MGR_DECLS\".");
} else {
CSharpCCGlobals.token_mgr_decls = decls;
if (Options.getUserTokenManager()) {
CSharpCCErrors.Warning(t, "Ignoring declarations in \"TOKEN_MGR_DECLS\" since option " +
"USER_TOKEN_MANAGER has been set to true.");
}
}
}
public ZeroOrOne(Token token, Expansion expansion) {
Line = token.beginLine;
Column = token.beginColumn;
Expansion = expansion;
}
public ROneOrMore(Token token, RegularExpression expression) {
Column = token.beginColumn;
Line = token.beginLine;
RegularExpression = expression;
}
public static void setinsertionpoint(Token t, int no)
{
do {
add_cu_token_here.Add(first_cu_token);
first_cu_token = first_cu_token.next;
} while (first_cu_token != t);
if (no == 1) {
if (insertionpoint1set) {
CSharpCCErrors.ParseError(t, "Multiple declaration of parser class.");
} else {
insertionpoint1set = true;
add_cu_token_here = CSharpCCGlobals.cu_to_insertion_point_2;
}
} else {
add_cu_token_here = CSharpCCGlobals.cu_from_insertion_point_2;
insertionpoint2set = true;
}
first_cu_token = t;
}
public static void reInit()
{
add_cu_token_here = CSharpCCGlobals.cu_to_insertion_point_1;
first_cu_token = null;
insertionpoint1set = false;
insertionpoint2set = false;
nextFreeLexState = 1;
}
public static void insertionpointerrors(Token t)
{
while (first_cu_token != t) {
add_cu_token_here.Add(first_cu_token);
first_cu_token = first_cu_token.next;
}
if (!insertionpoint1set || !insertionpoint2set) {
CSharpCCErrors.ParseError(t, "Parser class has not been defined between PARSER_BEGIN and PARSER_END.");
}
}
internal static void PrintTokenOnly(Token t, TextWriter ostr)
{
for (; cline < t.beginLine; cline++) {
ostr.WriteLine("");
ccol = 1;
}
for (; ccol < t.beginColumn; ccol++) {
ostr.Write(" ");
}
if (t.kind == CSharpCCParserConstants.STRING_LITERAL ||
t.kind == CSharpCCParserConstants.CHARACTER_LITERAL)
ostr.Write(AddUnicodeEscapes(t.image));
else
ostr.Write(t.image);
cline = t.endLine;
ccol = t.endColumn + 1;
char last = t.image[t.image.Length - 1];
if (last == '\n' || last == '\r') {
cline++;
ccol = 1;
}
}
internal static String PrintToken(Token t)
{
String retval = "";
Token tt = t.specialToken;
if (tt != null) {
while (tt.specialToken != null)
tt = tt.specialToken;
while (tt != null) {
retval += PrintTokenOnly(tt);
tt = tt.next;
}
}
retval += PrintTokenOnly(t);
return retval;
}
internal static void PrintToken(Token t, TextWriter ostr)
{
Token tt = t.specialToken;
if (tt != null) {
while (tt.specialToken != null)
tt = tt.specialToken;
while (tt != null) {
PrintTokenOnly(tt, ostr);
tt = tt.next;
}
}
PrintTokenOnly(t, ostr);
}
internal static String PrintLeadingComments(Token t)
{
String retval = "";
if (t.specialToken == null)
return retval;
Token tt = t.specialToken;
while (tt.specialToken != null)
tt = tt.specialToken;
while (tt != null) {
retval += PrintTokenOnly(tt);
tt = tt.next;
}
if (ccol != 1 && cline != t.beginLine) {
retval += "\n";
cline++;
ccol = 1;
}
return retval;
}
internal static void PrintLeadingComments(Token t, TextWriter ostr)
{
if (t.specialToken == null)
return;
Token tt = t.specialToken;
while (tt.specialToken != null)
tt = tt.specialToken;
while (tt != null) {
PrintTokenOnly(tt, ostr);
tt = tt.next;
}
if (ccol != 1 && cline != t.beginLine) {
ostr.WriteLine("");
cline++;
ccol = 1;
}
}
public Choice(Token token) {
Line = token.beginLine;
Column = token.beginColumn;
}
public static char character_descriptor_assign(Token t, String s, String left)
{
if (s.Length != 1) {
CSharpCCErrors.ParseError(t, "String in character list may contain only one character.");
return ' ';
} else if ((int) (left[0]) > (int) (s[0])) {
CSharpCCErrors.ParseError(t, "Right end of character range \'" + s +
"\' has a lower ordinal value than the left end of character range \'" + left + "\'.");
return left[0];
} else {
return s[0];
}
}
public static void compare(Token t, String id1, String id2)
{
if (!id2.Equals(id1)) {
CSharpCCErrors.ParseError(t, "Name " + id2 + " must be the same as that used at PARSER_BEGIN (" + id1 + ")");
}
}
internal static string PrintTokenOnly(Token t)
{
String retval = "";
for (; cline < t.beginLine; cline++) {
retval += "\n";
ccol = 1;
}
for (; ccol < t.beginColumn; ccol++) {
retval += " ";
}
if (t.kind == CSharpCCParserConstants.STRING_LITERAL ||
t.kind == CSharpCCParserConstants.CHARACTER_LITERAL)
retval += AddUnicodeEscapes(t.image);
else
retval += t.image;
cline = t.endLine;
ccol = t.endColumn + 1;
char last = t.image[t.image.Length - 1];
if (last == '\n' || last == '\r') {
cline++;
ccol = 1;
}
return retval;
}
public static void makeTryBlock(
Token tryLoc,
Container result,
Container nestedExp,
IList<IList<Token>> types,
IList<Token> ids,
IList<IList<Token>> catchblks,
IList<Token> finallyblk
)
{
if (catchblks.Count == 0 && finallyblk == null) {
CSharpCCErrors.ParseError(tryLoc, "Try block must contain at least one catch or finally block.");
return;
}
TryBlock tblk = new TryBlock();
tblk.Line = tryLoc.beginLine;
tblk.Column = tryLoc.beginColumn;
tblk.Expansion = (Expansion) (nestedExp.member);
tblk.Expansion.Parent = tblk;
tblk.Expansion.Ordinal = 0;
tblk.Types = types;
tblk.Ids = ids;
tblk.CatchBlocks = catchblks;
tblk.FinallyBlocks = finallyblk;
result.member = tblk;
}
internal static void PrintTokenSetup(Token t)
{
Token tt = t;
while (tt.specialToken != null)
tt = tt.specialToken;
cline = tt.beginLine;
ccol = tt.beginColumn;
}
public static String remove_escapes_and_quotes(Token t, String str)
{
String retval = "";
int index = 1;
char ch, ch1;
int ordinal;
while (index < str.Length - 1) {
if (str[index] != '\\') {
retval += str[index];
index++;
continue;
}
index++;
ch = str[index];
if (ch == 'b') {
retval += '\b';
index++;
continue;
}
if (ch == 't') {
retval += '\t';
index++;
continue;
}
if (ch == 'n') {
retval += '\n';
index++;
continue;
}
if (ch == 'f') {
retval += '\f';
index++;
continue;
}
if (ch == 'r') {
retval += '\r';
index++;
continue;
}
if (ch == '"') {
retval += '\"';
index++;
continue;
}
if (ch == '\'') {
retval += '\'';
index++;
continue;
}
if (ch == '\\') {
retval += '\\';
index++;
continue;
}
if (ch >= '0' && ch <= '7') {
ordinal = ((int) ch) - ((int) '0');
index++;
ch1 = str[index];
if (ch1 >= '0' && ch1 <= '7') {
ordinal = ordinal*8 + ((int) ch1) - ((int) '0');
index++;
ch1 = str[index];
if (ch <= '3' && ch1 >= '0' && ch1 <= '7') {
ordinal = ordinal*8 + ((int) ch1) - ((int) '0');
index++;
}
}
retval += (char) ordinal;
continue;
}
if (ch == 'u') {
index++;
ch = str[index];
if (hexchar(ch)) {
ordinal = hexval(ch);
index++;
ch = str[index];
if (hexchar(ch)) {
ordinal = ordinal*16 + hexval(ch);
index++;
ch = str[index];
if (hexchar(ch)) {
ordinal = ordinal*16 + hexval(ch);
index++;
ch = str[index];
if (hexchar(ch)) {
ordinal = ordinal*16 + hexval(ch);
index++;
continue;
}
}
}
}
CSharpCCErrors.ParseError(t, "Encountered non-hex character '" + ch +
"' at position " + index + " of string " +
"- Unicode escape must have 4 hex digits after it.");
return retval;
}
CSharpCCErrors.ParseError(t, "Illegal escape sequence '\\" + ch +
"' at position " + index + " of string.");
return retval;
}
return retval;
}
internal static void PrintTrailingComments(Token t, TextWriter ostr)
{
if (t.next == null)
return;
PrintLeadingComments(t.next);
}
public static void set_initial_cu_token(Token t)
{
first_cu_token = t;
}
internal static String PrintTrailingComments(Token t)
{
if (t.next == null)
return "";
return PrintLeadingComments(t.next);
}
public static char character_descriptor_assign(Token t, String s)
{
if (s.Length != 1) {
CSharpCCErrors.ParseError(t, "String in character list may contain only one character.");
return ' ';
} else {
return s[0];
}
}
public RZeroOrMore(Token t, RegularExpression r) {
Column = t.beginColumn;
Line = t.beginLine;
RegularExpression = r;
}
public RStringLiteral(Token token, string image)
{
Line = token.beginLine;
Column = token.beginColumn;
Image = image;
}
public OneOrMore(Token token, Expansion expansion) {
Column = token.beginColumn;
Line = token.beginLine;
Expansion = expansion;
Expansion.Parent = this;
}
public ZeroOrMore(Token token, Expansion expansion) {
Line = token.beginLine;
Column = token.beginColumn;
Expansion = expansion;
Expansion.Parent = this;
}
public Sequence(Token token, Lookahead la) {
Line = token.beginLine;
Column = token.beginColumn;
Units.Add(la);
}