init with {: :}
parser code {:
+
+ public String filename;
public void syntax_error (java_cup.runtime.Symbol current) {
CUP$CDLParser$actions.errors = true;
Symbol symbol = (Symbol) current;
- report_error("CDL: Syntax error at line " + (symbol.line + 1)
- + ", 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);
}
public void report_fatal_error (String message, Object info) {
terminal LABEL;
terminal INT;
terminal SUBTYPE;
+ terminal SUBCLASS;
terminal OF;
terminal SEMICOLON;
q.addChild(set);
RESULT = q;
:}
+ | FORALL LT ID:r1 COMMA ID:r2 GT IN ID:relation
+ {:
+ debugMessage(PRODSTRING);
+ ParseNode q = new ParseNode("quantifier", parser.curLine(7));
+ q.addChild("relation", parser.curLine(1)).addChild(relation);
+ q.addChild("left", parser.curLine(5)).addChild(r1);
+ q.addChild("right", parser.curLine(3)).addChild(r2);
+ RESULT = q;
+ :}
;
set ::=
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 ::=
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
{:
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();