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-rw-r--r--vhdlparser/CharStream.cc212
1 files changed, 212 insertions, 0 deletions
diff --git a/vhdlparser/CharStream.cc b/vhdlparser/CharStream.cc
new file mode 100644
index 0000000..8cc17c3
--- /dev/null
+++ b/vhdlparser/CharStream.cc
@@ -0,0 +1,212 @@
+/* Generated By:JavaCC: Do not edit this line. CharStream.cc Version 6.0 */
+/* JavaCCOptions:STATIC=false,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
+#include "CharStream.h"
+
+namespace {
+template <class T>
+void ArrayCopy(T* src, int src_offset, T* dest, int dest_offset, int len) {
+ for (int i = 0; i < len; i++) {
+ dest[dest_offset + i] = src[src_offset + i];
+ }
+}
+
+class StringReaderStream : public ReaderStream {
+ public:
+ StringReaderStream(const JAVACC_STRING_TYPE& str) : str_(str), cur_(0), max_(str.size()) {}
+ virtual size_t read(JAVACC_CHAR_TYPE *bufptr, int offset, size_t len) {
+ size_t count = str_.copy(bufptr + offset, len > max_ ? max_ : len, cur_);
+ cur_ += count;
+ max_ -= count;
+ return count;
+ }
+ virtual ~StringReaderStream() {}
+ virtual bool endOfInput() {
+ return max_ == 0;
+ }
+
+ private:
+ const JAVACC_STRING_TYPE str_;
+ size_t cur_;
+ size_t max_;
+};
+}
+
+namespace vhdl {
+namespace parser {
+void CharStream::ReInit(const JAVACC_STRING_TYPE& str, int startline,
+ int startcolumn, int buffersize) {
+ StringReaderStream *stream = new StringReaderStream(str);
+ ReInit(stream, startline, startcolumn, buffersize);
+ deleteStream = true;
+}
+
+void CharStream::ReInit(ReaderStream *input_stream, int startline,
+ int startcolumn, int buffersize) {
+ if (deleteStream) {
+ delete inputStream;
+ }
+
+ if (buffer != NULL) {
+ DeleteBuffers();
+ }
+
+ available = bufsize = buffersize;
+ buffer = new JAVACC_CHAR_TYPE[buffersize];
+ bufline = new int[buffersize];
+ bufcolumn = new int[buffersize];
+
+ column = startcolumn - 1;
+ inputStream = input_stream;
+ line = startline;
+ prevCharIsLF = prevCharIsCR = false;
+ tokenBegin = inBuf = maxNextCharInd = 0;
+ bufpos = -1;
+ deleteStream = false;
+}
+
+void CharStream::DeleteBuffers() {
+ delete[] buffer;
+ delete[] bufline;
+ delete[] bufcolumn;
+}
+
+void CharStream::adjustBeginLineColumn(int newLine, int newCol) {
+ int start = tokenBegin;
+ int len;
+
+ if (bufpos >= tokenBegin) {
+ len = bufpos - tokenBegin + inBuf + 1;
+ } else {
+ len = bufsize - tokenBegin + bufpos + 1 + inBuf;
+ }
+
+ int i = 0, j = 0, k = 0;
+ int nextColDiff = 0, columnDiff = 0;
+
+ while (i < len && bufline[j = start % bufsize] ==
+ bufline[k = (start + 1) % bufsize]) {
+ bufline[j] = newLine;
+ nextColDiff = columnDiff + bufcolumn[k] - bufcolumn[j];
+ bufcolumn[j] = newCol + columnDiff;
+ columnDiff = nextColDiff;
+ i++;
+ start++;
+ }
+
+ if (i < len) {
+ bufline[j] = newLine++;
+ bufcolumn[j] = newCol + columnDiff;
+
+ while (i++ < len) {
+ if (bufline[j = start % bufsize] != bufline[(start + 1) % bufsize])
+ bufline[j] = newLine++;
+ else
+ bufline[j] = newLine;
+ start++;
+ }
+ }
+
+ line = bufline[j];
+ column = bufcolumn[j];
+}
+
+void CharStream::ExpandBuff(bool wrapAround) {
+ JAVACC_CHAR_TYPE *newbuffer = new JAVACC_CHAR_TYPE[bufsize + 2048];
+ int *newbufline = new int[bufsize + 2048];
+ int *newbufcolumn = new int[bufsize + 2048];
+
+ if (wrapAround) {
+ ArrayCopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin);
+ ArrayCopy(buffer, 0, newbuffer, bufsize - tokenBegin, bufpos);
+ ArrayCopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin);
+ ArrayCopy(bufline, 0, newbufline, bufsize - tokenBegin, bufpos);
+ ArrayCopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin);
+ ArrayCopy(bufcolumn, 0, newbufcolumn, bufsize - tokenBegin, bufpos);
+ bufpos += (bufsize - tokenBegin);
+ } else {
+ ArrayCopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin);
+ ArrayCopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin);
+ ArrayCopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin);
+ bufpos -= tokenBegin;
+ }
+
+ maxNextCharInd = bufpos;
+ DeleteBuffers();
+ buffer = newbuffer;
+ bufline = newbufline;
+ bufcolumn = newbufcolumn;
+ bufsize += 2048;
+ available = bufsize;
+ tokenBegin = 0;
+}
+
+void CharStream::FillBuff() {
+ if (maxNextCharInd == available) {
+ if (available == bufsize) {
+ if (tokenBegin > 2048) {
+ bufpos = maxNextCharInd = 0;
+ available = tokenBegin;
+ } else if (tokenBegin < 0) {
+ bufpos = maxNextCharInd = 0;
+ } else {
+ ExpandBuff(false);
+ }
+ } else if (available > tokenBegin) {
+ available = bufsize;
+ } else if ((tokenBegin - available) < 2048) {
+ ExpandBuff(true);
+ } else {
+ available = tokenBegin;
+ }
+ }
+
+ int i = inputStream->read(buffer, maxNextCharInd, available - maxNextCharInd);
+ if (i > 0) {
+ maxNextCharInd += i;
+ } else {
+ --bufpos;
+ backup(0);
+ if (tokenBegin == -1) {
+ tokenBegin = bufpos;
+ }
+ }
+}
+
+void CharStream::UpdateLineColumn(JAVACC_CHAR_TYPE c) {
+ column++;
+ if (prevCharIsLF) {
+ prevCharIsLF = false;
+ column = 1;
+ line++;
+ } else if (prevCharIsCR) {
+ prevCharIsCR = false;
+ if (c == '\n') {
+ prevCharIsLF = true;
+ } else {
+ column = 1;
+ line++;
+ }
+ }
+
+ switch (c) {
+ case '\r' :
+ prevCharIsCR = true;
+ break;
+ case '\n' :
+ prevCharIsLF = true;
+ break;
+ case '\t' :
+ column--;
+ column += (tabSize - (column % tabSize));
+ break;
+ default :
+ break;
+ }
+
+ bufline[bufpos] = line;
+ bufcolumn[bufpos] = column;
+}
+
+}
+}
+/* JavaCC - OriginalChecksum=e709b9ee1adf0fcb6b1c5e1641f10348 (do not edit this line) */