doc: mfcalc: demonstrate %printer.

[bison.git] / tests / java.at

diff --git a/tests/java.at b/tests/java.at
index 9b31f9ccbcce982bc9fcfaae7fff8c5a4209d4bf..b9e9deeef744d4f509440ee04c68edb0ef1379bd 100644 (file)
--- a/tests/java.at
+++ b/tests/java.at
@@ -1,6 +1,6 @@
 # Java tests for simple calculator.           -*- Autotest -*-
 
 # Java tests for simple calculator.           -*- Autotest -*-
 

-# Copyright (C) 2007-2011 Free Software Foundation, Inc.
+# Copyright (C) 2007-2012 Free Software Foundation, Inc.

 
 # 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
 
 # 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


@@ -77,7 +77,7 @@ exp:
 | exp '=' exp
   {
     if ($1.intValue () != $3.intValue ())
 | exp '=' exp
   {
     if ($1.intValue () != $3.intValue ())

-      yyerror ("calc: error: " + $1 + " != " + $3);
+      yyerror (]AT_LOCATION_IF([[@$,]])[ "calc: error: " + $1 + " != " + $3);

   }
 | exp '+' exp        { $$ = new Integer ($1.intValue () + $3.intValue ());  }
 | exp '-' exp        { $$ = new Integer ($1.intValue () - $3.intValue ());  }
   }
 | exp '+' exp        { $$ = new Integer ($1.intValue () + $3.intValue ());  }
 | exp '-' exp        { $$ = new Integer ($1.intValue () - $3.intValue ());  }


@@ -113,15 +113,14 @@ class CalcLexer implements Calc.Lexer {
   }
 
 AT_LOCATION_IF([[
   }
 
 AT_LOCATION_IF([[

-  Position yystartpos;
-  Position yyendpos = new Position (1);
+  Position yypos = new Position (1, 0);

 
   public Position getStartPos() {
 
   public Position getStartPos() {

-    return yystartpos;
+    return yypos;

   }
 
   public Position getEndPos() {
   }
 
   public Position getEndPos() {

-    return yyendpos;
+    return yypos;

   }
 
   public void yyerror (Calc.Location l, String s)
   }
 
   public void yyerror (Calc.Location l, String s)


@@ -129,7 +128,7 @@ AT_LOCATION_IF([[
     if (l == null)
       System.err.println (s);
     else
     if (l == null)
       System.err.println (s);
     else

-      System.err.println (l.begin + ": " + s);
+      System.err.println (l + ": " + s);

   }
 ]], [[
   public void yyerror (String s)
   }
 ]], [[
   public void yyerror (String s)


@@ -146,13 +145,14 @@ AT_LOCATION_IF([[
 
   public int yylex () throws IOException {
     int ttype = st.nextToken ();
 
   public int yylex () throws IOException {
     int ttype = st.nextToken ();

-    ]AT_LOCATION_IF([[yystartpos = yyendpos;]])[
+    ]AT_LOCATION_IF([[yypos = new Position (yypos.lineno (),
+                                            yypos.token () + 1);]])[

     if (ttype == st.TT_EOF)
       return Calc.EOF;
 
     else if (ttype == st.TT_EOL)
       {
     if (ttype == st.TT_EOF)
       return Calc.EOF;
 
     else if (ttype == st.TT_EOL)
       {

-        ]AT_LOCATION_IF([[yyendpos = new Position (yyendpos.lineno () + 1);]])[
+        ]AT_LOCATION_IF([[yypos = new Position (yypos.lineno () + 1, 0);]])[

         return (int) '\n';
       }
 
         return (int) '\n';
       }
 


@@ -175,36 +175,39 @@ AT_LOCATION_IF([[
 [
 class Position {
   public int line;
 [
 class Position {
   public int line;

+  public int token;

 
   public Position ()
   {
     line = 0;
 
   public Position ()
   {
     line = 0;

+    token = 0;

   }
 
   }
 

-  public Position (int l)
+  public Position (int l, int t)

   {
     line = l;
   {
     line = l;

-  }
-
-  public long getHashCode ()
-  {
-    return line;
+    token = t;

   }
 
   public boolean equals (Position l)
   {
   }
 
   public boolean equals (Position l)
   {

-    return l.line == line;
+    return l.line == line && l.token == token;

   }
 
   public String toString ()
   {
   }
 
   public String toString ()
   {

-    return Integer.toString (line);
+    return Integer.toString (line) + "." + Integer.toString(token);

   }
 
   public int lineno ()
   {
     return line;
   }
   }
 
   public int lineno ()
   {
     return line;
   }

+
+  public int token ()
+  {
+    return token;
+  }

 }
 
 ]])
 }
 
 ]])


@@ -294,19 +297,19 @@ AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])
 
 # Some syntax errors.
 _AT_CHECK_JAVA_CALC_ERROR([$1], [0 0],
 
 # Some syntax errors.
 _AT_CHECK_JAVA_CALC_ERROR([$1], [0 0],

-                          [1: syntax error, unexpected number])
+                          [1.2: syntax error, unexpected number])

 _AT_CHECK_JAVA_CALC_ERROR([$1], [1//2],
 _AT_CHECK_JAVA_CALC_ERROR([$1], [1//2],

-                          [1: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
+                          [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])

 _AT_CHECK_JAVA_CALC_ERROR([$1], [error],
 _AT_CHECK_JAVA_CALC_ERROR([$1], [error],

-                          [1: syntax error, unexpected $undefined])
+                          [1.1: syntax error, unexpected $undefined])

 _AT_CHECK_JAVA_CALC_ERROR([$1], [1 = 2 = 3],
 _AT_CHECK_JAVA_CALC_ERROR([$1], [1 = 2 = 3],

-                          [1: syntax error, unexpected '='])
+                          [1.4: syntax error, unexpected '='])

 _AT_CHECK_JAVA_CALC_ERROR([$1], [
 +1],
 _AT_CHECK_JAVA_CALC_ERROR([$1], [
 +1],

-                          [2: syntax error, unexpected '+'])
+                          [2.1: syntax error, unexpected '+'])

 # Exercise error messages with EOF: work on an empty file.
 _AT_CHECK_JAVA_CALC_ERROR([$1], [/dev/null],
 # Exercise error messages with EOF: work on an empty file.
 _AT_CHECK_JAVA_CALC_ERROR([$1], [/dev/null],

-                          [1: syntax error, unexpected end of input])
+                          [1.1: syntax error, unexpected end of input])

 
 # Exercise the error token: without it, we die at the first error,
 # hence be sure to
 
 # Exercise the error token: without it, we die at the first error,
 # hence be sure to


@@ -326,21 +329,21 @@ _AT_CHECK_JAVA_CALC_ERROR([$1], [/dev/null],
 #
 _AT_CHECK_JAVA_CALC_ERROR([$1],
                           [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
 #
 _AT_CHECK_JAVA_CALC_ERROR([$1],
                           [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],

-[1: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
-1: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
-1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
-1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
-calc: error: 4444 != 1])
+[1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
+1.11: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
+1.14: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+1.24: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+1.1-1.27: calc: error: 4444 != 1])

 
 # The same, but this time exercising explicitly triggered syntax errors.
 # POSIX says the lookahead causing the error should not be discarded.
 _AT_CHECK_JAVA_CALC_ERROR([$1], [(!) + (0 0) = 1],
 
 # The same, but this time exercising explicitly triggered syntax errors.
 # POSIX says the lookahead causing the error should not be discarded.
 _AT_CHECK_JAVA_CALC_ERROR([$1], [(!) + (0 0) = 1],

-[1: syntax error, unexpected number
-calc: error: 2222 != 1])
+[1.7: syntax error, unexpected number
+1.1-1.10: calc: error: 2222 != 1])

 _AT_CHECK_JAVA_CALC_ERROR([$1], [(- *) + (0 0) = 1],
 _AT_CHECK_JAVA_CALC_ERROR([$1], [(- *) + (0 0) = 1],

-[1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
-1: syntax error, unexpected number
-calc: error: 2222 != 1])
+[1.3: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+1.8: syntax error, unexpected number
+1.1-1.11: calc: error: 2222 != 1])

 AT_BISON_OPTION_POPDEFS
 
 AT_CLEANUP
 AT_BISON_OPTION_POPDEFS
 
 AT_CLEANUP


@@ -414,8 +417,8 @@ AT_JAVA_COMPILE([[YYParser.java]])
 
 
 # AT_CHECK_JAVA_MINIMAL_W_LEXER([1:DIRECTIVES], [2:LEX_THROWS],
 
 
 # AT_CHECK_JAVA_MINIMAL_W_LEXER([1:DIRECTIVES], [2:LEX_THROWS],

-#      [3:YYLEX_ACTION], [4:LEXER_BODY], [5:PARSER_ACTION], [6:STYPE],
-#      [7:POSITION_TYPE], [8:LOCATION_TYPE])
+#       [3:YYLEX_ACTION], [4:LEXER_BODY], [5:PARSER_ACTION], [6:STYPE],
+#       [7:POSITION_TYPE], [8:LOCATION_TYPE])

 # ---------------------------------------------------------------------
 # Check that a mininal parser with DIRECTIVES and a "%code lexer".
 # YYLEX is the body of yylex () which throws LEX_THROW.
 # ---------------------------------------------------------------------
 # Check that a mininal parser with DIRECTIVES and a "%code lexer".
 # YYLEX is the body of yylex () which throws LEX_THROW.


@@ -566,7 +569,7 @@ AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer) {]])
 AT_CHECK_JAVA_MINIMAL([[%parse-param {int parse_param1}]])
 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1) {]])
 AT_CHECK_JAVA_MINIMAL([[%parse-param {int parse_param1}]])
 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1) {]])

-AT_CHECK_JAVA_GREP([[[         ]*this.parse_param1 = parse_param1;]])
+AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]])

 
 AT_CHECK_JAVA_MINIMAL([[
 %parse-param {int parse_param1}
 
 AT_CHECK_JAVA_MINIMAL([[
 %parse-param {int parse_param1}


@@ -574,8 +577,8 @@ AT_CHECK_JAVA_MINIMAL([[
 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])

-AT_CHECK_JAVA_GREP([[[         ]*this.parse_param1 = parse_param1;]])
-AT_CHECK_JAVA_GREP([[[         ]*this.parse_param2 = parse_param2;]])
+AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]])
+AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]])

 
 AT_CHECK_JAVA_MINIMAL_W_LEXER([], [], [[return EOF;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser () {]])
 
 AT_CHECK_JAVA_MINIMAL_W_LEXER([], [], [[return EOF;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser () {]])


@@ -586,7 +589,7 @@ AT_CHECK_JAVA_MINIMAL_W_LEXER([[%parse-param {int parse_param1}]],
 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1) {]])
 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1) {]])
 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1) {]])
 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1) {]])

-AT_CHECK_JAVA_GREP([[[         ]*this.parse_param1 = parse_param1;]], [2])
+AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])

 
 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 %parse-param {int parse_param1}
 
 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 %parse-param {int parse_param1}


@@ -596,8 +599,8 @@ AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1, *long parse_param2) {]])
 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1, *long parse_param2) {]])
 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])

-AT_CHECK_JAVA_GREP([[[         ]*this.parse_param1 = parse_param1;]], [2])
-AT_CHECK_JAVA_GREP([[[         ]*this.parse_param2 = parse_param2;]], [2])
+AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])
+AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]], [2])

 
 AT_CHECK_JAVA_MINIMAL_W_LEXER([[%lex-param {char lex_param1}]],
        [], [[return EOF;]], [[YYLexer (char lex_param1) {}]])
 
 AT_CHECK_JAVA_MINIMAL_W_LEXER([[%lex-param {char lex_param1}]],
        [], [[return EOF;]], [[YYLexer (char lex_param1) {}]])


@@ -622,8 +625,8 @@ AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2, *int parse_param1, *long parse_param2) {]])
 AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2, *int parse_param1, *long parse_param2) {]])
 AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])

-AT_CHECK_JAVA_GREP([[[         ]*this.parse_param1 = parse_param1;]], [2])
-AT_CHECK_JAVA_GREP([[[         ]*this.parse_param2 = parse_param2;]], [2])
+AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])
+AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]], [2])

 
 AT_CLEANUP
 
 
 AT_CLEANUP
 


@@ -746,3 +749,69 @@ AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
 
 AT_CLEANUP
 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
 
 AT_CLEANUP

+
+
+# ----------------------------------------------- #
+# Java syntax error handling without error token. #
+# ----------------------------------------------- #
+
+AT_SETUP([Java syntax error handling without error token])
+
+AT_DATA([[YYParser.y]], [[%language "Java"
+
+%lex-param { String s }
+
+%code imports {
+  import java.io.IOException;
+}
+
+%code lexer {
+  String Input;
+  int Position;
+
+  public YYLexer (String s)
+  {
+    Input    = s;
+    Position = 0;
+  }
+
+  public void yyerror (String s)
+  {
+    System.err.println (s);
+  }
+
+  public Object getLVal ()
+  {
+    return null;
+  }
+
+  public int yylex () throws IOException
+  {
+    if (Position >= Input.length ())
+      return EOF;
+    else
+      return Input.charAt (Position++);
+  }
+}
+
+%code {
+  public static void main (String args []) throws IOException
+  {
+    YYParser p = new YYParser (args [0]);
+    p.parse ();
+  }
+}
+%%
+input:
+  'a' 'a'
+;
+]])
+AT_BISON_CHECK([[YYParser.y]])
+AT_JAVA_COMPILE([[YYParser.java]])
+AT_JAVA_PARSER_CHECK([[YYParser aa]], [[0]], [[]], [[]])
+AT_JAVA_PARSER_CHECK([[YYParser ab]], [[0]], [[]], [[syntax error
+]])
+AT_JAVA_PARSER_CHECK([[YYParser ba]], [[0]], [[]], [[syntax error
+]])
+
+AT_CLEANUP