807 lines
23 KiB
Text
807 lines
23 KiB
Text
# Java tests for simple calculator. -*- Autotest -*-
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# Copyright (C) 2007-2012 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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AT_BANNER([[Java Calculator.]])
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# ------------------------- #
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# Helping Autotest macros. #
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# ------------------------- #
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# _AT_DATA_JAVA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
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# ----------------------------------------------------------------------
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# Produce `calc.y'. Don't call this macro directly, because it contains
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# some occurrences of `$1' etc. which will be interpreted by m4. So
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# you should call it with $1, $2, and $3 as arguments, which is what
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# AT_DATA_JAVA_CALC_Y does.
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m4_define([_AT_DATA_JAVA_CALC_Y],
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[m4_if([$1$2$3], $[1]$[2]$[3], [],
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[m4_fatal([$0: Invalid arguments: $@])])dnl
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AT_BISON_OPTION_PUSHDEFS([%language "Java" $4])
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AT_DATA([Calc.y],
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[[/* Infix notation calculator--calc */
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%language "Java"
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%name-prefix "Calc"
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%define parser_class_name "Calc"
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%define public
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]$4[
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%code imports {
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import java.io.StreamTokenizer;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.io.IOException;
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}
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/* Bison Declarations */
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%token <Integer> NUM "number"
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%type <Integer> exp
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%nonassoc '=' /* comparison */
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%left '-' '+'
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%left '*' '/'
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%left NEG /* negation--unary minus */
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%right '^' /* exponentiation */
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/* Grammar follows */
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%%
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input:
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line
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| input line
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;
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line:
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'\n'
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| exp '\n'
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| error '\n'
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;
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exp:
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NUM { $$ = $1; }
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| exp '=' exp
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{
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if ($1.intValue () != $3.intValue ())
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yyerror (]AT_LOCATION_IF([[@$,]])[ "calc: error: " + $1 + " != " + $3);
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}
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| exp '+' exp { $$ = new Integer ($1.intValue () + $3.intValue ()); }
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| exp '-' exp { $$ = new Integer ($1.intValue () - $3.intValue ()); }
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| exp '*' exp { $$ = new Integer ($1.intValue () * $3.intValue ()); }
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| exp '/' exp { $$ = new Integer ($1.intValue () / $3.intValue ()); }
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| '-' exp %prec NEG { $$ = new Integer (-$2.intValue ()); }
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| exp '^' exp { $$ = new Integer ((int)
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Math.pow ($1.intValue (),
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$3.intValue ())); }
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| '(' exp ')' { $$ = $2; }
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| '(' error ')' { $$ = new Integer (1111); }
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| '!' { $$ = new Integer (0); return YYERROR; }
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| '-' error { $$ = new Integer (0); return YYERROR; }
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;
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]AT_LEXPARAM_IF([[
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%code lexer {
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]],
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[[
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%%
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class CalcLexer implements Calc.Lexer {
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]])[
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StreamTokenizer st;
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public ]AT_LEXPARAM_IF([[YYLexer]], [[CalcLexer]]) (InputStream is)
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{
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st = new StreamTokenizer (new InputStreamReader (is));
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st.resetSyntax ();
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st.eolIsSignificant (true);
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st.whitespaceChars (9, 9);
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st.whitespaceChars (32, 32);
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st.wordChars (48, 57);
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}
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AT_LOCATION_IF([[
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Position yypos = new Position (1, 0);
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public Position getStartPos() {
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return yypos;
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}
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public Position getEndPos() {
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return yypos;
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}
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]])[
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]AT_YYERROR_DEFINE[
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Integer yylval;
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public Object getLVal() {
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return yylval;
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}
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public int yylex () throws IOException {
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int ttype = st.nextToken ();
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]AT_LOCATION_IF([[yypos = new Position (yypos.lineno (),
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yypos.token () + 1);]])[
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if (ttype == st.TT_EOF)
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return Calc.EOF;
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else if (ttype == st.TT_EOL)
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{
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]AT_LOCATION_IF([[yypos = new Position (yypos.lineno () + 1, 0);]])[
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return (int) '\n';
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}
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else if (ttype == st.TT_WORD)
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{
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yylval = new Integer (st.sval);
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return Calc.NUM;
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}
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else
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return st.ttype;
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}
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]AT_LEXPARAM_IF([[
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};
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%%]], [[
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}]])
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[
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class Position {
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public int line;
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public int token;
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public Position ()
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{
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line = 0;
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token = 0;
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}
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public Position (int l, int t)
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{
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line = l;
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token = t;
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}
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public boolean equals (Position l)
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{
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return l.line == line && l.token == token;
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}
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public String toString ()
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{
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return Integer.toString (line) + "." + Integer.toString(token);
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}
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public int lineno ()
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{
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return line;
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}
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public int token ()
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{
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return token;
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}
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}
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]])
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AT_BISON_OPTION_POPDEFS
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])# _AT_DATA_JAVA_CALC_Y
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# AT_DATA_CALC_Y([BISON-OPTIONS])
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# -------------------------------
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# Produce `calc.y'.
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m4_define([AT_DATA_JAVA_CALC_Y],
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[_AT_DATA_JAVA_CALC_Y($[1], $[2], $[3], [$1])
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])
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# _AT_CHECK_JAVA_CALC_ERROR(BISON-OPTIONS, INPUT,
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# [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
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# --------------------------------------------------------------
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# Run `calc' on INPUT, and expect a `syntax error' message.
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#
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# If INPUT starts with a slash, it is used as absolute input file name,
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# otherwise as contents.
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#
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# The VERBOSE-AND-LOCATED-ERROR-MESSAGE is stripped of locations
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# and expected tokens if necessary, and compared with the output.
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m4_define([_AT_CHECK_JAVA_CALC_ERROR],
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[m4_bmatch([$2], [^/],
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[AT_JAVA_PARSER_CHECK([Calc < $2], 0, [], [stderr])],
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[AT_DATA([[input]],
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[[$2
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]])
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AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])])
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# Normalize the observed and expected error messages, depending upon the
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# options.
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# 1. Create the reference error message.
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AT_DATA([[expout]],
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[$3
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])
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# 2. If locations are not used, remove them.
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AT_YYERROR_SEES_LOC_IF([],
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[[sed 's/^[-0-9.]*: //' expout >at-expout
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mv at-expout expout]])
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# 3. If error-verbose is not used, strip the`, unexpected....' part.
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m4_bmatch([$1], [%error-verbose], [],
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[[sed 's/syntax error, .*$/syntax error/' expout >at-expout
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mv at-expout expout]])
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# 4. Check
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AT_CHECK([cat stderr], 0, [expout])
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])
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# _AT_CHECK_JAVA_CALC([BISON-DIRECTIVES], [BISON-CODE])
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# -----------------------------------------------------------------------
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# Start a testing chunk which compiles `calc' grammar with
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# BISON-DIRECTIVES, and performs several tests over the parser.
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m4_define([_AT_CHECK_JAVA_CALC],
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[# We use integers to avoid dependencies upon the precision of doubles.
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AT_SETUP([Calculator $1])
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AT_BISON_OPTION_PUSHDEFS([$1])
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AT_DATA_JAVA_CALC_Y([$1
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%code {
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$2
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}])
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AT_BISON_CHECK([-o Calc.java Calc.y])
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AT_JAVA_COMPILE([Calc.java])
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# Test the priorities.
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AT_DATA([[input]],
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[[1 + 2 * 3 = 7
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1 + 2 * -3 = -5
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-1^2 = -1
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(-1)^2 = 1
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---1 = -1
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1 - 2 - 3 = -4
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1 - (2 - 3) = 2
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2^2^3 = 256
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(2^2)^3 = 64
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]])
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AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])
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# Some syntax errors.
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_AT_CHECK_JAVA_CALC_ERROR([$1], [0 0],
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[1.2: syntax error, unexpected number])
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_AT_CHECK_JAVA_CALC_ERROR([$1], [1//2],
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[1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
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_AT_CHECK_JAVA_CALC_ERROR([$1], [error],
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[1.1: syntax error, unexpected $undefined])
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_AT_CHECK_JAVA_CALC_ERROR([$1], [1 = 2 = 3],
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[1.4: syntax error, unexpected '='])
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_AT_CHECK_JAVA_CALC_ERROR([$1], [
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+1],
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[2.1: syntax error, unexpected '+'])
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# Exercise error messages with EOF: work on an empty file.
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_AT_CHECK_JAVA_CALC_ERROR([$1], [/dev/null],
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[1.1: syntax error, unexpected end of input])
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# Exercise the error token: without it, we die at the first error,
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# hence be sure to
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#
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# - have several errors which exercise different shift/discardings
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# - (): nothing to pop, nothing to discard
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# - (1 + 1 + 1 +): a lot to pop, nothing to discard
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# - (* * *): nothing to pop, a lot to discard
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# - (1 + 2 * *): some to pop and discard
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#
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# - test the action associated to `error'
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#
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# - check the lookahead that triggers an error is not discarded
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# when we enter error recovery. Below, the lookahead causing the
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# first error is ")", which is needed to recover from the error and
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# produce the "0" that triggers the "0 != 1" error.
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#
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_AT_CHECK_JAVA_CALC_ERROR([$1],
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[() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
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[1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
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1.11: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
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1.14: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
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1.24: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
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1.1-1.27: calc: error: 4444 != 1])
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# The same, but this time exercising explicitly triggered syntax errors.
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# POSIX says the lookahead causing the error should not be discarded.
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_AT_CHECK_JAVA_CALC_ERROR([$1], [(!) + (0 0) = 1],
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[1.7: syntax error, unexpected number
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1.1-1.10: calc: error: 2222 != 1])
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_AT_CHECK_JAVA_CALC_ERROR([$1], [(- *) + (0 0) = 1],
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[1.3: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
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1.8: syntax error, unexpected number
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1.1-1.11: calc: error: 2222 != 1])
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AT_BISON_OPTION_POPDEFS
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AT_CLEANUP
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])# _AT_CHECK_JAVA_CALC
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# AT_CHECK_JAVA_CALC([BISON-DIRECTIVES])
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# --------------------------------------------------------
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# Start a testing chunk which compiles `calc' grammar with
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# BISON-DIRECTIVES, and performs several tests over the parser.
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# Run the test with and without %error-verbose.
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m4_define([AT_CHECK_JAVA_CALC],
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[_AT_CHECK_JAVA_CALC([$1], [$2])
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_AT_CHECK_JAVA_CALC([%error-verbose $1], [$2])
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_AT_CHECK_JAVA_CALC([%locations $1], [$2])
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_AT_CHECK_JAVA_CALC([%error-verbose %locations $1], [$2])
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])# AT_CHECK_JAVA_CALC
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# ------------------------ #
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# Simple LALR Calculator. #
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# ------------------------ #
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AT_CHECK_JAVA_CALC([], [[
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public static void main (String args[]) throws IOException
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{
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CalcLexer l = new CalcLexer (System.in);
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Calc p = new Calc (l);
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p.parse ();
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}
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]])
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AT_CHECK_JAVA_CALC([%lex-param { InputStream is } ], [[
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public static void main (String args[]) throws IOException
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{
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new Calc (System.in).parse ();
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}
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]])
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# -----------------#
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# Java Directives. #
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# -----------------#
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AT_BANNER([Java Parameters.])
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# AT_CHECK_JAVA_MINIMAL([DIRECTIVES], [PARSER_ACTION], [POSITION_CLASS])
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# ----------------------------------------------------------------------
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# Check that a mininal parser with DIRECTIVES compiles in Java.
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# Put the Java code in YYParser.java.
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m4_define([AT_CHECK_JAVA_MINIMAL],
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[
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AT_DATA([[YYParser.y]], [
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%language "Java"
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%locations
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%debug
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%error-verbose
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%token-table
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$1
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%%
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start: "end" {$2};
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%%
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class m4_default([$3], [Position]) {}
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])
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AT_BISON_CHECK([[YYParser.y]])
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AT_CHECK([[grep '[mb]4_' YYParser.y]], [1], [ignore])
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AT_JAVA_COMPILE([[YYParser.java]])
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])
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# AT_CHECK_JAVA_MINIMAL_W_LEXER([1:DIRECTIVES], [2:LEX_THROWS],
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# [3:YYLEX_ACTION], [4:LEXER_BODY], [5:PARSER_ACTION], [6:STYPE],
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# [7:POSITION_TYPE], [8:LOCATION_TYPE])
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# ---------------------------------------------------------------------
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# Check that a mininal parser with DIRECTIVES and a "%code lexer".
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# YYLEX is the body of yylex () which throws LEX_THROW.
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# compiles in Java.
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m4_define([AT_CHECK_JAVA_MINIMAL_W_LEXER],
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[AT_CHECK_JAVA_MINIMAL([$1
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%code lexer
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{
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m4_default([$6], [Object]) yylval;
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public m4_default([$6], [Object]) getLVal() { return yylval; }
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public m4_default([$7], [Position]) getStartPos() { return null; }
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public m4_default([$7], [Position]) getEndPos() { return null; }
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public void yyerror (m4_default([$8], [Location]) loc, String s)
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{
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System.err.println (loc + ": " + s);
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}
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public int yylex ()$2
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{
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$3
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}
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$4
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}], [$5], [$7])])
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# AT_CHECK_JAVA_GREP([LINE], [COUNT=1])
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# -------------------------------------
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# Check that YYParser.java contains exactly COUNT lines matching ^LINE$
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# with grep.
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m4_define([AT_CHECK_JAVA_GREP],
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[AT_CHECK([grep -c '^$1$' YYParser.java], [], [m4_default([$2], [1])
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])
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])
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# ----------------------------------- #
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# Java parser class and package names #
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# ----------------------------------- #
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AT_SETUP([Java parser class and package names])
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AT_CHECK_JAVA_MINIMAL([])
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AT_CHECK_JAVA_GREP([[class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[%name-prefix "Prefix"]])
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AT_CHECK_JAVA_GREP([[class PrefixParser]])
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AT_CHECK_JAVA_MINIMAL([[%define parser_class_name "ParserClassName"]])
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AT_CHECK_JAVA_GREP([[class ParserClassName]])
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AT_CHECK_JAVA_MINIMAL([[%define package "user_java_package"]])
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AT_CHECK_JAVA_GREP([[package user_java_package;]])
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AT_CLEANUP
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# --------------------------- #
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# Java parser class modifiers #
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# --------------------------- #
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AT_SETUP([Java parser class modifiers])
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AT_CHECK_JAVA_MINIMAL([[%define abstract]])
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AT_CHECK_JAVA_GREP([[abstract class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[%define final]])
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AT_CHECK_JAVA_GREP([[final class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[%define strictfp]])
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AT_CHECK_JAVA_GREP([[strictfp class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[
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%define abstract
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%define strictfp]])
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AT_CHECK_JAVA_GREP([[abstract strictfp class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[
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%define final
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%define strictfp]])
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AT_CHECK_JAVA_GREP([[final strictfp class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[%define public]])
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AT_CHECK_JAVA_GREP([[public class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[
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%define public
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%define abstract]])
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AT_CHECK_JAVA_GREP([[public abstract class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[
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%define public
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%define final]])
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AT_CHECK_JAVA_GREP([[public final class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[
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%define public
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%define strictfp]])
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AT_CHECK_JAVA_GREP([[public strictfp class YYParser]])
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AT_CHECK_JAVA_MINIMAL([[
|
|
%define public
|
|
%define abstract
|
|
%define strictfp]])
|
|
AT_CHECK_JAVA_GREP([[public abstract strictfp class YYParser]])
|
|
|
|
AT_CHECK_JAVA_MINIMAL([[
|
|
%define public
|
|
%define final
|
|
%define strictfp]])
|
|
AT_CHECK_JAVA_GREP([[public final strictfp class YYParser]])
|
|
|
|
AT_CLEANUP
|
|
|
|
|
|
# ---------------------------------------- #
|
|
# Java parser class extends and implements #
|
|
# ---------------------------------------- #
|
|
|
|
AT_SETUP([Java parser class extends and implements])
|
|
|
|
AT_CHECK_JAVA_MINIMAL([[%define extends "Thread"]])
|
|
AT_CHECK_JAVA_GREP([[class YYParser extends Thread]])
|
|
|
|
AT_CHECK_JAVA_MINIMAL([[%define implements "Cloneable"]])
|
|
AT_CHECK_JAVA_GREP([[class YYParser implements Cloneable]])
|
|
|
|
AT_CHECK_JAVA_MINIMAL([[
|
|
%define extends "Thread"
|
|
%define implements "Cloneable"]])
|
|
AT_CHECK_JAVA_GREP([[class YYParser extends Thread implements Cloneable]])
|
|
|
|
AT_CLEANUP
|
|
|
|
|
|
# -------------------------------- #
|
|
# Java %parse-param and %lex-param #
|
|
# -------------------------------- #
|
|
|
|
AT_SETUP([Java %parse-param and %lex-param])
|
|
|
|
AT_CHECK_JAVA_MINIMAL([])
|
|
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_GREP([[[ ]*this.parse_param1 = parse_param1;]])
|
|
|
|
AT_CHECK_JAVA_MINIMAL([[
|
|
%parse-param {int parse_param1}
|
|
%parse-param {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_MINIMAL_W_LEXER([], [], [[return EOF;]])
|
|
AT_CHECK_JAVA_GREP([[ *public YYParser () {]])
|
|
AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer) {]])
|
|
|
|
AT_CHECK_JAVA_MINIMAL_W_LEXER([[%parse-param {int parse_param1}]],
|
|
[], [[return EOF;]])
|
|
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_MINIMAL_W_LEXER([[
|
|
%parse-param {int parse_param1}
|
|
%parse-param {long parse_param2}]],
|
|
[], [[return EOF;]])
|
|
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([[[ ]*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) {]])
|
|
AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1);]])
|
|
|
|
AT_CHECK_JAVA_MINIMAL_W_LEXER([[
|
|
%lex-param {char lex_param1}
|
|
%lex-param {short lex_param2}]],
|
|
[], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
|
|
AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2) {]])
|
|
AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
|
|
|
|
AT_CHECK_JAVA_MINIMAL_W_LEXER([[
|
|
%parse-param {int parse_param1}
|
|
%parse-param {long parse_param2}
|
|
%lex-param {char lex_param1}
|
|
%lex-param {short lex_param2}]],
|
|
[], [[return EOF;]], [[YYLexer (char lex_param1, short lex_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 (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_CLEANUP
|
|
|
|
|
|
# ------------------------- #
|
|
# Java throw specifications #
|
|
# ------------------------- #
|
|
|
|
AT_SETUP([Java throws specifications])
|
|
|
|
# %define throws - 0 1 2
|
|
# %define lex-throws - 0 1 2
|
|
# %code lexer 0 1
|
|
|
|
m4_define([AT_JT_lex_throws_define], [m4_case(AT_JT_lex_throws,
|
|
-1, [],
|
|
0, [[%define lex_throws ""]],
|
|
1, [[%define lex_throws "InterruptedException"]],
|
|
2, [[%define lex_throws "InterruptedException, IllegalAccessException"]])])
|
|
|
|
m4_define([AT_JT_yylex_throws], [m4_case(AT_JT_lex_throws,
|
|
-1, [[ throws java.io.IOException]],
|
|
0, [],
|
|
1, [[ throws InterruptedException]],
|
|
2, [[ throws InterruptedException, IllegalAccessException]])])
|
|
|
|
m4_define([AT_JT_yylex_action], [m4_case(AT_JT_lex_throws,
|
|
-1, [[throw new java.io.IOException();]],
|
|
0, [[return EOF;]],
|
|
1, [[throw new InterruptedException();]],
|
|
2, [[throw new IllegalAccessException();]])])
|
|
|
|
|
|
m4_define([AT_JT_throws_define], [m4_case(AT_JT_throws,
|
|
-1, [],
|
|
0, [[%define throws ""]],
|
|
1, [[%define throws "ClassNotFoundException"]],
|
|
2, [[%define throws "ClassNotFoundException, InstantiationException"]])])
|
|
|
|
m4_define([AT_JT_yyaction_throws], [m4_case(AT_JT_throws,
|
|
-1, [],
|
|
0, [],
|
|
1, [[ throws ClassNotFoundException]],
|
|
2, [[ throws ClassNotFoundException, InstantiationException]])])
|
|
|
|
m4_define([AT_JT_parse_throws_2], [m4_case(AT_JT_throws,
|
|
-1, [],
|
|
0, [],
|
|
1, [[, ClassNotFoundException]],
|
|
2, [[, ClassNotFoundException, InstantiationException]])])
|
|
|
|
m4_define([AT_JT_parse_throws],
|
|
[m4_if(m4_quote(AT_JT_yylex_throws), [],
|
|
[AT_JT_yyaction_throws],
|
|
[AT_JT_yylex_throws[]AT_JT_parse_throws_2])])
|
|
|
|
m4_define([AT_JT_initial_action], [m4_case(AT_JT_throws,
|
|
-1, [],
|
|
0, [],
|
|
1, [[%initial-action {if (true) throw new ClassNotFoundException();}]],
|
|
2, [[%initial-action {if (true) throw new InstantiationException();}]])])
|
|
|
|
m4_define([AT_JT_parse_action], [m4_case(AT_JT_throws,
|
|
-1, [],
|
|
0, [],
|
|
1, [[throw new ClassNotFoundException();]],
|
|
2, [[throw new ClassNotFoundException();]])])
|
|
|
|
m4_for([AT_JT_lexer], 0, 1, 1,
|
|
[m4_for([AT_JT_lex_throws], -1, 2, 1,
|
|
[m4_for([AT_JT_throws], -1, 2, 1,
|
|
[m4_if(AT_JT_lexer, 0,
|
|
[AT_CHECK_JAVA_MINIMAL([
|
|
AT_JT_throws_define
|
|
AT_JT_lex_throws_define
|
|
AT_JT_initial_action],
|
|
[AT_JT_parse_action])],
|
|
[AT_CHECK_JAVA_MINIMAL_W_LEXER([
|
|
AT_JT_throws_define
|
|
AT_JT_lex_throws_define
|
|
AT_JT_initial_action],
|
|
[AT_JT_yylex_throws],
|
|
[AT_JT_yylex_action],
|
|
[],
|
|
[AT_JT_parse_action])])
|
|
AT_CHECK_JAVA_GREP([[ *int yylex ()]AT_JT_yylex_throws *[;]])
|
|
AT_CHECK_JAVA_GREP([[ *private int yyaction ([^)]*)]AT_JT_yyaction_throws[ *]])
|
|
AT_CHECK_JAVA_GREP([[ *public boolean parse ()]AT_JT_parse_throws[ *]])
|
|
])])])
|
|
|
|
AT_CLEANUP
|
|
|
|
|
|
# --------------------------------------------- #
|
|
# Java stype, position_class and location_class #
|
|
# --------------------------------------------- #
|
|
|
|
AT_SETUP([Java stype, position_class and location_class])
|
|
|
|
AT_CHECK_JAVA_MINIMAL([[
|
|
%define stype "java.awt.Color"
|
|
%type<java.awt.Color> start;
|
|
%define api.location.type "MyLoc"
|
|
%define api.position.type "MyPos"
|
|
%code { class MyPos {} }]], [[$$ = $<java.awt.Color>1;]], [[MyPos]])
|
|
AT_CHECK([[grep 'java.awt.Color' YYParser.java]], [0], [ignore])
|
|
AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
|
|
AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
|
|
|
|
AT_CHECK_JAVA_MINIMAL_W_LEXER([[
|
|
%define stype "java.awt.Color"
|
|
%type<java.awt.Color> start;
|
|
%define api.location.type "MyLoc"
|
|
%define api.position.type "MyPos"
|
|
%code { class MyPos {} }]], [], [[return EOF;]], [],
|
|
[[$$ = $<java.awt.Color>1;]],
|
|
[[java.awt.Color]], [[MyPos]], [[MyLoc]])
|
|
AT_CHECK([[grep 'java.awt.Color' YYParser.java]], [0], [ignore])
|
|
AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
|
|
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
|