[11 - Antlr Parser] Fix TestAntlrXParser1 halfway

CC-Praxis-Antlr Parser fuer X-Leer/src/de/dhbw/compiler/antlrxparser/X.g

@@ -25,7 +25,8 @@ tokens {
   FLOATCONST;
   WS;
   MODIFIER;
-  DECLIST;
+  DECLLIST;
+  UMINUS;
   PROGRAM;
   DECL;
   TYPE;
@@ -54,17 +55,15 @@ ESCAPE:         '\\' ('\"' |'\'' | '\\');
 
 WS:             ('\t' | ' ' | '\r' | '\n' | '\f')+          { skip(); };
 
-INVALID:        .;
-
 fragment DIGIT: ('0'..'9');
 
 
 // -- Parser stuff
-program:        'program' ID ';' decllist statlist '.' EOF -> ^(PROGRAM ID decllist statlist);
+program:        'program'^ ID ';'! decllist statlist '.'! EOF!;
 
 // Declaration
-decllist:       decl decllist -> ^(DECLIST decl decllist);
-decl:           modifier ID ':' type ';' -> ^(DECL modifier ID type);
+decllist:       decl* -> ^(DECLLIST decl*);
+decl:           modifier? ID ':' type ';' -> ^(DECL modifier? ID type);
 modifier:       'read' 'print'? | 'read' | 'print';
 type:           'int' | 'float' | 'string';
 
@@ -78,23 +77,16 @@ whilestat:      'while' '(' cond ')' stat -> ^('while' cond stat);
 forstat:        'for' '(' assignstat ';' cond ';' assignstat ')' stat
                 -> ^('for' assignstat cond assignstat stat);
 
-expr:       expr2 '+' expr        -> ^('+' expr2 expr)
-            | expr2 '-' expr     -> ^('-' expr2 expr)
-            | expr2                 -> ^(expr2);
-expr2:      expr3 '*' expr2   -> ^('*' expr3 expr2)
-            | expr3 '/' expr2   -> ^('/' expr3 expr2)
-            | expr3                 -> ^(expr3);
-expr3:      number | '-' number | STRINGCONST | '('! expr^ ')';
+// Expressions
 number:     INTCONST | FLOATCONST;
+expr:       expr2 (op='+' | op='-') expr    -> ^($op expr2 expr)
+            | expr2;
+expr2:      expr3 (op='*' | op='/') expr    -> ^($op expr3 expr)
+            | expr3;
+expr3:      op='-' num=number               -> ^(UMINUS[op,"UMINUS"] $num)
+            | number | STRINGCONST | '('! expr^ ')'!;
 
+// Conditions and comparison
 compOp:     '<' | '>' | '=';
 cond:       expr cond2;
 cond2:      compOp expr;
-
-// -- Dummy rules
-// Das sollte dafür sorgen, dass implizite Tokens auch ihre Tokens bekommen
-// TODO: Remove this
-minus:      '-';
-div:      '/';
-multiply:      '*';
-plus:       '+';

CC-Praxis-Antlr Parser fuer X-Leer/src/de/dhbw/compiler/antlrxparser/X.tokens

@@ -1,4 +1,3 @@
-T__20=20
 T__21=21
 T__22=22
 T__23=23
@@ -24,8 +23,9 @@ T__42=42
 T__43=43
 T__44=44
 T__45=45
+T__46=46
 DECL=4
-DECLIST=5
+DECLLIST=5
 DIGIT=6
 ESCAPE=7
 EXPR=8
@@ -39,30 +39,31 @@ STAT=15
 STATLIST=16
 STRINGCONST=17
 TYPE=18
-WS=19
-'('=20
-')'=21
-'*'=22
-'+'=23
-'-'=24
-'.'=25
-'/'=26
-':'=27
-':='=28
-';'=29
-'<'=30
-'='=31
-'>'=32
-'begin'=33
-'else'=34
-'end'=35
-'float'=36
-'for'=37
-'if'=38
-'int'=39
-'print'=40
-'program'=41
-'read'=42
-'string'=43
-'then'=44
-'while'=45
+UMINUS=19
+WS=20
+'('=21
+')'=22
+'*'=23
+'+'=24
+'-'=25
+'.'=26
+'/'=27
+':'=28
+':='=29
+';'=30
+'<'=31
+'='=32
+'>'=33
+'begin'=34
+'else'=35
+'end'=36
+'float'=37
+'for'=38
+'if'=39
+'int'=40
+'print'=41
+'program'=42
+'read'=43
+'string'=44
+'then'=45
+'while'=46