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/*
* Copyright (c) 2009 Samit Basu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "Token.hpp"
#include "Serialize.hpp"
#include <errno.h>
#include <limits.h>
Token::Token(TokenValueType tok, unsigned pos, QString text) :
m_tok(tok), m_pos(pos), m_text(text) { }
Token::Token() {
m_tok = TOK_INVALID;
}
bool Token::isBinaryOperator() const {
return ((m_tok == '+') || (m_tok == '-') ||
(m_tok == '*') || (m_tok == '/') ||
(m_tok == '\\') || (m_tok == '^') ||
(m_tok == '>') || (m_tok == '<') ||
(m_tok == ':') || (m_tok == TOK_LE) ||
(m_tok == TOK_GE) || (m_tok == TOK_EQ) ||
(m_tok == TOK_NE) || (m_tok == TOK_SOR) ||
(m_tok == TOK_SAND) || (m_tok == TOK_DOTTIMES) ||
(m_tok == TOK_DOTRDIV) || (m_tok == TOK_DOTLDIV) ||
(m_tok == TOK_DOTPOWER) || (m_tok == '|') ||
(m_tok == '&'));
}
bool Token::isUnaryOperator() const {
return ((m_tok == '+') || (m_tok == '-') || (m_tok == '~')
|| (m_tok == TOK_UNARY_MINUS) ||
(m_tok == TOK_UNARY_PLUS) ||
(m_tok == TOK_INCR) ||
(m_tok == TOK_DECR));
}
bool Token::isRightAssociative() const {
return (m_tok == '^');
}
//QTextStream& operator<<(QTextStream& o, const Token& b) {
// o << TokenToString(b) << " (" << (b.position() >> 16)
// << "," << (b.position() & 0xffff) << ")\r\n";
// return o;
//}
DebugStream& operator<<(DebugStream& o, const Token& b) {
o << TokenToString(b) << " (" << (b.position() >> 16)
<< "," << (LineNumber(b.position())) << ")\n";
return o;
}
QString TokenToString(const Token& b) {
switch(b.value()) {
case TOK_IDENT: return "(ident)"+b.text();
case TOK_SPACE: return "space";
case TOK_STRING: return "(string)"+b.text();
case TOK_KEYWORD: return "keyword";
case TOK_BREAK: return "break";
case TOK_CASE: return "case";
case TOK_CATCH: return "catch";
case TOK_CONTINUE: return "continue";
case TOK_DBSTEP: return "dbstep";
case TOK_ELSE: return "else";
case TOK_ELSEIF: return "elseif";
case TOK_END: return "end";
case TOK_FOR: return "for";
case TOK_FUNCTION: return "function";
case TOK_GLOBAL: return "global";
case TOK_IF: return "if";
case TOK_KEYBOARD: return "keyboard";
case TOK_OTHERWISE: return "otherwise";
case TOK_PERSISTENT: return "persistent";
case TOK_QUIT: return "quit";
case TOK_RETALL: return "retall";
case TOK_RETURN: return "return";
case TOK_SWITCH: return "switch";
case TOK_TRY: return "try";
case TOK_WHILE: return "while";
// Generated (synthetic) token;
case TOK_MULTI: return "multi";
case TOK_SPECIAL: return "special";
case TOK_VARIABLE: return "variable";
case TOK_DYN: return "dyn";
case TOK_BLOCK: return "block";
case TOK_EOF: return "eof";
case TOK_MATDEF: return "matdef";
case TOK_CELLDEF: return "celldef";
case TOK_PARENS: return "()";
case TOK_BRACES: return "{}";
case TOK_BRACKETS: return "[]";
case TOK_ROWDEF: return "row";
case TOK_UNARY_MINUS: return "u-";
case TOK_UNARY_PLUS: return "u+";
case TOK_EXPR: return "expr";
case TOK_DOTTIMES: return ".*";
case TOK_DOTRDIV: return "./";
case TOK_DOTLDIV: return ".\\";
case TOK_DOTPOWER: return ".^";
case TOK_DOTTRANSPOSE: return ".'";
case TOK_LE: return "<=";
case TOK_GE: return ">=";
case TOK_EQ: return "==";
case TOK_NE: return "~=";
case TOK_SOR: return "||";
case TOK_SAND: return "&&";
case TOK_QSTATEMENT: return "qstmnt";
case TOK_STATEMENT: return "stmnt";
case TOK_REALF: return "(real single)" + b.text();
case TOK_IMAGF: return "(imag single)" + b.text();
case TOK_REAL: return "(real)" + b.text();
case TOK_IMAG: return "(imag)" + b.text();
case TOK_FUNCTION_DEFS: return "functions:";
case TOK_SCRIPT: return "script:";
case TOK_DBTRACE: return "dbtrace";
case TOK_ANONYMOUS_FUNC: return "anon func";
case TOK_NEST_FUNC: return "nest func";
case TOK_TYPE_DECL: return "type decl";
case TOK_DBUP: return "dbup";
case TOK_DBDOWN: return "dbdown";
case TOK_REINDEX: return "reindex";
case TOK_INCR: return "++";
case TOK_DECR: return "--";
case TOK_INCR_PREFIX: return "++(pre)";
case TOK_DECR_PREFIX: return "--(pre)";
case TOK_INCR_POSTFIX: return "++(post)";
case TOK_DECR_POSTFIX: return "--(post)";
case TOK_PLUS_EQ: return "+=";
case TOK_MINUS_EQ: return "-=";
}
return QString(1,QChar(b.value()))+QString(" val = %1").arg(b.value());
}
void Token::freeze(Serialize *s) const {
s->putShort(m_tok);
s->putInt(m_pos);
s->putString(m_text);
}
Token::Token(Serialize *s) {
m_tok = s->getShort();
m_pos = s->getInt();
m_text = s->getString();
fillArray();
}
void Token::fillArray() {
Array retval;
switch(m_tok) {
default:
return;
case TOK_REAL:
{
QString mt(m_text);
if (mt.toUpper().endsWith("D")) mt.chop(1);
retval = Array(double(mt.toDouble()));
break;
}
case TOK_IMAG:
{
QString mt(m_text);
if (mt.toUpper().endsWith("D")) mt.chop(1);
retval = Array(double(0),double(mt.toDouble()));
break;
}
case TOK_REALF:
{
QString mt(m_text);
if (mt.toUpper().endsWith("F")) mt.chop(1);
retval = Array(float(mt.toFloat()));
break;
}
case TOK_IMAGF:
{
QString mt(m_text);
if (mt.toUpper().endsWith("F")) mt.chop(1);
retval = Array(float(0),float(mt.toFloat()));
break;
}
case TOK_STRING:
retval = Array(m_text);
break;
}
m_array = retval;
}
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