CUP$CDLParser$actions.errors = true;
Symbol symbol = (Symbol) current;
- report_error(filename+":"+(symbol.line+1)+": Syntax error at column " + LineCount.getColumn(symbol.left) +": " + current.value, current);
+
+ boolean isInteger = true;
+ try{
+ Integer.parseInt(current.value.toString());
+ } catch(NumberFormatException e) { isInteger = false;}
+
+ report_error(filename+":"+(symbol.line+1)+": Syntax error at column "
+ + (LineCount.getColumn(symbol.left)+1) +": " + current.value, current);
+
+ /*
+ if (current.value.equals("true") || isInteger)
+ System.out.println("Did you mean literal("+current.value+")?");
+ */
+
+ System.out.println();
System.exit(0);
}
terminal SUB;
terminal MULT;
terminal DIV;
+ terminal SUM;
terminal NOT;
terminal LT;
terminal EQ;
terminal NE;
-
terminal FORALL;
terminal IN;
terminal INTEST;
terminal LABEL;
terminal INT;
terminal SUBTYPE;
+ terminal SUBCLASS;
terminal OF;
terminal SEMICOLON;
set.getChild("dotinv").addChild("relation", parser.curLine(1)).addChild(relation);
RESULT = set;
:}
+
+ | setexpr:setexpr DOT ID:relation
+ {:
+ debugMessage(PRODSTRING);
+ ParseNode set = new ParseNode("setexpr", parser.curLine(3));
+ set.addChild("dotset").addChild(setexpr);
+ set.getChild("dotset").addChild("relation", parser.curLine(1)).addChild(relation);
+ RESULT = set;
+ :}
+
+ | setexpr:setexpr DOTINV ID:relation
+ {:
+ debugMessage(PRODSTRING);
+ ParseNode set = new ParseNode("setexpr", parser.curLine(3));
+ set.addChild("dotinvset").addChild(setexpr);
+ set.getChild("dotinvset").addChild("relation", parser.curLine(1)).addChild(relation);
+ RESULT = set;
+ :}
;
expr ::=
-
- ID:var
+
+ SUM OPENPAREN ID:set DOT ID:relation CLOSEPAREN
+ {:
+ debugMessage(PRODSTRING);
+ ParseNode expr = new ParseNode("sumexpr", parser.curLine(3));
+ expr.addChild("dot").addChild("set", parser.curLine(3)).addChild(set);
+ expr.getChild("dot").addChild("relation", parser.curLine(1)).addChild(relation);
+ RESULT = expr;
+ :}
+
+ | ID:var
{:
debugMessage(PRODSTRING);
ParseNode expr = new ParseNode("expr", parser.curLine(1));
RESULT = expr;
:}
- | LITERAL OPENPAREN literal:literal CLOSEPAREN
+ | literal:literal
{:
debugMessage(PRODSTRING);
ParseNode expr = new ParseNode("expr", parser.curLine(4));
debugMessage(PRODSTRING);
RESULT = (new ParseNode("literal", parser.curLine(1))).addChild("boolean").addChild("false").getRoot();
:}
+
+ | NULL
+ {:
+ debugMessage(PRODSTRING);
+ RESULT = (new ParseNode("literal", parser.curLine(1))).addChild("decimal").addChild("0").getRoot();
+ :}
| DECIMAL:dec
{:
debugMessage(PRODSTRING);
RESULT = (new ParseNode("literal", parser.curLine(1))).addChild("decimal").addChild(dec).getRoot();
:}
+
+ | SUB DECIMAL:dec
+ {:
+ debugMessage(PRODSTRING);
+ RESULT = (new ParseNode("literal", parser.curLine(1))).addChild("decimal").addChild("-"+dec).getRoot();
+ :}
| STRING:str
{:
RESULT = (new ParseNode("literal", parser.curLine(1))).addChild("char").addChild(chr).getRoot();
:}
- | ID:literal
+ | LITERAL OPENPAREN ID:literal CLOSEPAREN
{:
debugMessage(PRODSTRING);
RESULT = (new ParseNode("literal", parser.curLine(1))).addChild("token").addChild(literal).getRoot();