# Java tests for simple calculator. -*- Autotest -*-
-# Copyright (C) 2007, 2008, 2009, 2010 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
m4_define([_AT_DATA_JAVA_CALC_Y],
[m4_if([$1$2$3], $[1]$[2]$[3], [],
[m4_fatal([$0: Invalid arguments: $@])])dnl
+AT_BISON_OPTION_PUSHDEFS([%language "Java" $4])
AT_DATA([Calc.y],
[[/* Infix notation calculator--calc */
%language "Java"
| 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 () - $3.intValue ()); }
}
AT_LOCATION_IF([[
- Position yystartpos;
- Position yyendpos = new Position (1);
+ Position yypos = new Position (1, 0);
public Position getStartPos() {
- return yystartpos;
+ return yypos;
}
public Position getEndPos() {
- return yyendpos;
- }
-
- public void yyerror (Calc.Location l, String s)
- {
- if (l == null)
- System.err.println (s);
- else
- System.err.println (l.begin + ": " + s);
- }
-]], [[
- public void yyerror (String s)
- {
- System.err.println (s);
+ return yypos;
}
]])[
+ ]AT_YYERROR_DEFINE[
Integer yylval;
public int yylex () throws IOException {
int ttype = st.nextToken ();
- ]AT_LOCATION_IF([[yystartpos = yyendpos;]])[
+ ]AT_LOCATION_IF([[yypos = new Position (yypos.lineno (),
+ yypos.token () + 1);]])[
if (ttype == st.TT_EOF)
return Calc.EOF;
else if (ttype == st.TT_EOL)
{
- ]AT_LOCATION_IF([[yyendpos = new Position (yyendpos.lineno () + 1);]])[
+ ]AT_LOCATION_IF([[yypos = new Position (yypos.lineno () + 1, 0);]])[
return (int) '\n';
}
[
class Position {
public int line;
+ public int token;
public Position ()
{
line = 0;
+ token = 0;
}
- public Position (int l)
+ public Position (int l, int t)
{
line = l;
- }
-
- public long getHashCode ()
- {
- return line;
+ token = t;
}
public boolean equals (Position l)
{
- return l.line == line;
+ return l.line == line && l.token == token;
}
public String toString ()
{
- return Integer.toString (line);
+ return Integer.toString (line) + "." + Integer.toString(token);
}
public int lineno ()
{
return line;
}
+
+ public int token ()
+ {
+ return token;
+ }
}
]])
+AT_BISON_OPTION_POPDEFS
])# _AT_DATA_JAVA_CALC_Y
# AT_DATA_CALC_Y([BISON-OPTIONS])
-# -------------------------------------------------
+# -------------------------------
# Produce `calc.y'.
m4_define([AT_DATA_JAVA_CALC_Y],
[_AT_DATA_JAVA_CALC_Y($[1], $[2], $[3], [$1])
# _AT_CHECK_JAVA_CALC_ERROR(BISON-OPTIONS, INPUT,
# [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
-# ---------------------------------------------------------
+# --------------------------------------------------------------
# Run `calc' on INPUT, and expect a `syntax error' message.
#
# If INPUT starts with a slash, it is used as absolute input file name,
# 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],
- [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],
- [1: syntax error, unexpected $undefined])
+ [1.1: syntax error, unexpected $undefined])
_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],
- [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],
- [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
#
_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],
-[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],
-[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_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.
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_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_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_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_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_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
projects / bison.git / blobdiff