tests/report.at

# Bison Reports.                               -*- Autotest -*-

# Copyright (C) 2018-2021 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
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

AT_BANNER([[Test reports.]])


# AT_CHECK_HTML(FILE, EXPECTED-CONTENT)
# -------------------------------------
# Old versions of xsltproc emit 'content="text/html; charset=UTF-8"'
# instead of 'content="text/html;charset=UTF-8"'.
# <https://trac.macports.org/raw-attachment/ticket/59927/bison-test-results-20210811-95b72.log.xz>
m4_define([AT_CHECK_HTML],
[AT_KEYWORDS([html])
AT_CHECK([sed -e 's|content="text/html; charset=UTF-8"|content="text/html;charset=UTF-8"|g' $1],
          [],
          [$2])])


## --------- ##
## Reports.  ##
## --------- ##

AT_SETUP([Reports])

AT_KEYWORDS([report])

AT_BISON_OPTION_PUSHDEFS
AT_DATA([input.yy],
[[%token
  END  0  "end of file"
  ASSIGN  ":="
  INCR    "incr"
;

%token <std::string> IDENTIFIER "identifier"
%type <std::string> id
%token <int> NUMBER "number"
%type  <int> exp

%%
%start unit;
unit: assignments exp  { driver.result = $2; };

assignments:
  %empty                 {}
| assignments assignment {};

assignment:
  id ":=" exp { driver.variables[$id] = $exp; };

id:
  "identifier";

exp:
  "incr" exp <int>{ $$ = 1; } <int>{ $$ = 10; } exp   { $$ = $2 + $3 + $4 + $5; }
| "(" exp ")"   { std::swap ($$, $2); }
| "identifier"  { $$ = driver.variables[$1]; }
| "number"      { std::swap ($$, $1); };
]])

AT_SKIP_IF([[test x"$XSLTPROC" = x]])
AT_BISON_CHECK([-o input.cc -v --graph=input.gv --html --xml input.yy])

# Check the contents of the report.
AT_CHECK([cat input.output], [],
[[Grammar

    0 $accept: unit "end of file"

    1 unit: assignments exp

    2 assignments: %empty
    3            | assignments assignment

    4 assignment: id ":=" exp

    5 id: "identifier"

    6 @1: %empty

    7 @2: %empty

    8 exp: "incr" exp @1 @2 exp
    9    | "(" exp ")"
   10    | "identifier"
   11    | "number"


Terminals, with rules where they appear

    "end of file" (0) 0
    error (256)
    ":=" (258) 4
    "incr" (259) 8
    "identifier" <std::string> (260) 5 10
    "number" <int> (261) 11
    "(" (262) 9
    ")" (263) 9


Nonterminals, with rules where they appear

    $accept (9)
        on left: 0
    unit (10)
        on left: 1
        on right: 0
    assignments (11)
        on left: 2 3
        on right: 1 3
    assignment (12)
        on left: 4
        on right: 3
    id <std::string> (13)
        on left: 5
        on right: 4
    exp <int> (14)
        on left: 8 9 10 11
        on right: 1 4 8 9
    @1 <int> (15)
        on left: 6
        on right: 8
    @2 <int> (16)
        on left: 7
        on right: 8


State 0

    0 $accept: . unit "end of file"

    $default  reduce using rule 2 (assignments)

    unit         go to state 1
    assignments  go to state 2


State 1

    0 $accept: unit . "end of file"

    "end of file"  shift, and go to state 3


State 2

    1 unit: assignments . exp
    3 assignments: assignments . assignment

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 5
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    assignment  go to state 8
    id          go to state 9
    exp         go to state 10


State 3

    0 $accept: unit "end of file" .

    $default  accept


State 4

    8 exp: "incr" . exp @1 @2 exp

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 11
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    exp  go to state 12


State 5

    5 id: "identifier" .
   10 exp: "identifier" .

    "end of file"  reduce using rule 10 (exp)
    $default       reduce using rule 5 (id)


State 6

   11 exp: "number" .

    $default  reduce using rule 11 (exp)


State 7

    9 exp: "(" . exp ")"

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 11
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    exp  go to state 13


State 8

    3 assignments: assignments assignment .

    $default  reduce using rule 3 (assignments)


State 9

    4 assignment: id . ":=" exp

    ":="  shift, and go to state 14


State 10

    1 unit: assignments exp .

    $default  reduce using rule 1 (unit)


State 11

   10 exp: "identifier" .

    $default  reduce using rule 10 (exp)


State 12

    8 exp: "incr" exp . @1 @2 exp

    $default  reduce using rule 6 (@1)

    @1  go to state 15


State 13

    9 exp: "(" exp . ")"

    ")"  shift, and go to state 16


State 14

    4 assignment: id ":=" . exp

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 11
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    exp  go to state 17


State 15

    8 exp: "incr" exp @1 . @2 exp

    $default  reduce using rule 7 (@2)

    @2  go to state 18


State 16

    9 exp: "(" exp ")" .

    $default  reduce using rule 9 (exp)


State 17

    4 assignment: id ":=" exp .

    $default  reduce using rule 4 (assignment)


State 18

    8 exp: "incr" exp @1 @2 . exp

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 11
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    exp  go to state 19


State 19

    8 exp: "incr" exp @1 @2 exp .

    $default  reduce using rule 8 (exp)
]])


# Now generate verbose reports.
AT_SKIP_IF([[test x"$XSLTPROC" = x]])
AT_BISON_CHECK([-o input.cc -rall --graph=input.gv --html --xml input.yy])

# Check the contents of the report.
AT_CHECK([cat input.output], [],
[[Grammar

    0 $accept: unit "end of file"

    1 unit: assignments exp

    2 assignments: %empty
    3            | assignments assignment

    4 assignment: id ":=" exp

    5 id: "identifier"

    6 @1: %empty

    7 @2: %empty

    8 exp: "incr" exp @1 @2 exp
    9    | "(" exp ")"
   10    | "identifier"
   11    | "number"


Terminals, with rules where they appear

    "end of file" (0) 0
    error (256)
    ":=" (258) 4
    "incr" (259) 8
    "identifier" <std::string> (260) 5 10
    "number" <int> (261) 11
    "(" (262) 9
    ")" (263) 9


Nonterminals, with rules where they appear

    $accept (9)
        on left: 0
    unit (10)
        on left: 1
        on right: 0
    assignments (11)
        on left: 2 3
        on right: 1 3
    assignment (12)
        on left: 4
        on right: 3
    id <std::string> (13)
        on left: 5
        on right: 4
    exp <int> (14)
        on left: 8 9 10 11
        on right: 1 4 8 9
    @1 <int> (15)
        on left: 6
        on right: 8
    @2 <int> (16)
        on left: 7
        on right: 8


State 0

    0 $accept: . unit "end of file"
    1 unit: . assignments exp
    2 assignments: %empty .
    3            | . assignments assignment

    $default  reduce using rule 2 (assignments)

    unit         go to state 1
    assignments  go to state 2


State 1

    0 $accept: unit . "end of file"

    "end of file"  shift, and go to state 3


State 2

    1 unit: assignments . exp
    3 assignments: assignments . assignment
    4 assignment: . id ":=" exp
    5 id: . "identifier"
    8 exp: . "incr" exp @1 @2 exp
    9    | . "(" exp ")"
   10    | . "identifier"
   11    | . "number"

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 5
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    assignment  go to state 8
    id          go to state 9
    exp         go to state 10


State 3

    0 $accept: unit "end of file" .

    $default  accept


State 4

    8 exp: . "incr" exp @1 @2 exp
    8    | "incr" . exp @1 @2 exp
    9    | . "(" exp ")"
   10    | . "identifier"
   11    | . "number"

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 11
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    exp  go to state 12


State 5

    5 id: "identifier" .  [":="]
   10 exp: "identifier" .  ["end of file"]

    "end of file"  reduce using rule 10 (exp)
    $default       reduce using rule 5 (id)


State 6

   11 exp: "number" .

    $default  reduce using rule 11 (exp)


State 7

    8 exp: . "incr" exp @1 @2 exp
    9    | . "(" exp ")"
    9    | "(" . exp ")"
   10    | . "identifier"
   11    | . "number"

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 11
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    exp  go to state 13


State 8

    3 assignments: assignments assignment .

    $default  reduce using rule 3 (assignments)


State 9

    4 assignment: id . ":=" exp

    ":="  shift, and go to state 14


State 10

    1 unit: assignments exp .

    $default  reduce using rule 1 (unit)


State 11

   10 exp: "identifier" .

    $default  reduce using rule 10 (exp)


State 12

    6 @1: %empty .
    8 exp: "incr" exp . @1 @2 exp

    $default  reduce using rule 6 (@1)

    @1  go to state 15


State 13

    9 exp: "(" exp . ")"

    ")"  shift, and go to state 16


State 14

    4 assignment: id ":=" . exp
    8 exp: . "incr" exp @1 @2 exp
    9    | . "(" exp ")"
   10    | . "identifier"
   11    | . "number"

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 11
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    exp  go to state 17


State 15

    7 @2: %empty .
    8 exp: "incr" exp @1 . @2 exp

    $default  reduce using rule 7 (@2)

    @2  go to state 18


State 16

    9 exp: "(" exp ")" .

    $default  reduce using rule 9 (exp)


State 17

    4 assignment: id ":=" exp .

    $default  reduce using rule 4 (assignment)


State 18

    8 exp: . "incr" exp @1 @2 exp
    8    | "incr" exp @1 @2 . exp
    9    | . "(" exp ")"
   10    | . "identifier"
   11    | . "number"

    "incr"        shift, and go to state 4
    "identifier"  shift, and go to state 11
    "number"      shift, and go to state 6
    "("           shift, and go to state 7

    exp  go to state 19


State 19

    8 exp: "incr" exp @1 @2 exp .

    $default  reduce using rule 8 (exp)
]])



AT_CHECK([cat input.gv], [],
[[// Generated by GNU Bison ]AT_PACKAGE_VERSION[.
// Report bugs to <bug-bison@gnu.org>.
// Home page: <https://www.gnu.org/software/bison/>.

digraph "input.yy"
{
  node [fontname = courier, shape = box, colorscheme = paired6]
  edge [fontname = courier]

  0 [label="State 0\n\l  0 $accept: • unit \"end of file\"\l  1 unit: • assignments exp\l  2 assignments: • %empty\l  3            | • assignments assignment\l"]
  0 -> 1 [style=dashed label="unit"]
  0 -> 2 [style=dashed label="assignments"]
  0 -> "0R2" [style=solid]
 "0R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
  1 [label="State 1\n\l  0 $accept: unit • \"end of file\"\l"]
  1 -> 3 [style=solid label="\"end of file\""]
  2 [label="State 2\n\l  1 unit: assignments • exp\l  3 assignments: assignments • assignment\l  4 assignment: • id \":=\" exp\l  5 id: • \"identifier\"\l  8 exp: • \"incr\" exp @1 @2 exp\l  9    | • \"(\" exp \")\"\l 10    | • \"identifier\"\l 11    | • \"number\"\l"]
  2 -> 4 [style=solid label="\"incr\""]
  2 -> 5 [style=solid label="\"identifier\""]
  2 -> 6 [style=solid label="\"number\""]
  2 -> 7 [style=solid label="\"(\""]
  2 -> 8 [style=dashed label="assignment"]
  2 -> 9 [style=dashed label="id"]
  2 -> 10 [style=dashed label="exp"]
  3 [label="State 3\n\l  0 $accept: unit \"end of file\" •\l"]
  3 -> "3R0" [style=solid]
 "3R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
  4 [label="State 4\n\l  8 exp: • \"incr\" exp @1 @2 exp\l  8    | \"incr\" • exp @1 @2 exp\l  9    | • \"(\" exp \")\"\l 10    | • \"identifier\"\l 11    | • \"number\"\l"]
  4 -> 4 [style=solid label="\"incr\""]
  4 -> 11 [style=solid label="\"identifier\""]
  4 -> 6 [style=solid label="\"number\""]
  4 -> 7 [style=solid label="\"(\""]
  4 -> 12 [style=dashed label="exp"]
  5 [label="State 5\n\l  5 id: \"identifier\" •  [\":=\"]\l 10 exp: \"identifier\" •  [\"end of file\"]\l"]
  5 -> "5R5" [style=solid]
 "5R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
  5 -> "5R10" [label="[\"end of file\"]", style=solid]
 "5R10" [label="R10", fillcolor=3, shape=diamond, style=filled]
  6 [label="State 6\n\l 11 exp: \"number\" •\l"]
  6 -> "6R11" [style=solid]
 "6R11" [label="R11", fillcolor=3, shape=diamond, style=filled]
  7 [label="State 7\n\l  8 exp: • \"incr\" exp @1 @2 exp\l  9    | • \"(\" exp \")\"\l  9    | \"(\" • exp \")\"\l 10    | • \"identifier\"\l 11    | • \"number\"\l"]
  7 -> 4 [style=solid label="\"incr\""]
  7 -> 11 [style=solid label="\"identifier\""]
  7 -> 6 [style=solid label="\"number\""]
  7 -> 7 [style=solid label="\"(\""]
  7 -> 13 [style=dashed label="exp"]
  8 [label="State 8\n\l  3 assignments: assignments assignment •\l"]
  8 -> "8R3" [style=solid]
 "8R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
  9 [label="State 9\n\l  4 assignment: id • \":=\" exp\l"]
  9 -> 14 [style=solid label="\":=\""]
  10 [label="State 10\n\l  1 unit: assignments exp •\l"]
  10 -> "10R1" [style=solid]
 "10R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
  11 [label="State 11\n\l 10 exp: \"identifier\" •\l"]
  11 -> "11R10" [style=solid]
 "11R10" [label="R10", fillcolor=3, shape=diamond, style=filled]
  12 [label="State 12\n\l  6 @1: • %empty\l  8 exp: \"incr\" exp • @1 @2 exp\l"]
  12 -> 15 [style=dashed label="@1"]
  12 -> "12R6" [style=solid]
 "12R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
  13 [label="State 13\n\l  9 exp: \"(\" exp • \")\"\l"]
  13 -> 16 [style=solid label="\")\""]
  14 [label="State 14\n\l  4 assignment: id \":=\" • exp\l  8 exp: • \"incr\" exp @1 @2 exp\l  9    | • \"(\" exp \")\"\l 10    | • \"identifier\"\l 11    | • \"number\"\l"]
  14 -> 4 [style=solid label="\"incr\""]
  14 -> 11 [style=solid label="\"identifier\""]
  14 -> 6 [style=solid label="\"number\""]
  14 -> 7 [style=solid label="\"(\""]
  14 -> 17 [style=dashed label="exp"]
  15 [label="State 15\n\l  7 @2: • %empty\l  8 exp: \"incr\" exp @1 • @2 exp\l"]
  15 -> 18 [style=dashed label="@2"]
  15 -> "15R7" [style=solid]
 "15R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
  16 [label="State 16\n\l  9 exp: \"(\" exp \")\" •\l"]
  16 -> "16R9" [style=solid]
 "16R9" [label="R9", fillcolor=3, shape=diamond, style=filled]
  17 [label="State 17\n\l  4 assignment: id \":=\" exp •\l"]
  17 -> "17R4" [style=solid]
 "17R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
  18 [label="State 18\n\l  8 exp: • \"incr\" exp @1 @2 exp\l  8    | \"incr\" exp @1 @2 • exp\l  9    | • \"(\" exp \")\"\l 10    | • \"identifier\"\l 11    | • \"number\"\l"]
  18 -> 4 [style=solid label="\"incr\""]
  18 -> 11 [style=solid label="\"identifier\""]
  18 -> 6 [style=solid label="\"number\""]
  18 -> 7 [style=solid label="\"(\""]
  18 -> 19 [style=dashed label="exp"]
  19 [label="State 19\n\l  8 exp: \"incr\" exp @1 @2 exp •\l"]
  19 -> "19R8" [style=solid]
 "19R8" [label="R8", fillcolor=3, shape=diamond, style=filled]
}
]])


AT_CHECK([[cat input.xml]], [],
[[<?xml version="1.0"?>

<bison-xml-report version="]AT_PACKAGE_VERSION[" bug-report="bug-bison@gnu.org" url="https://www.gnu.org/software/bison/">

  <filename>input.yy</filename>

  <grammar>
    <rules>
      <rule number="0" usefulness="useful">
        <lhs>$accept</lhs>
        <rhs>
          <symbol>unit</symbol>
          <symbol>&quot;end of file&quot;</symbol>
        </rhs>
      </rule>
      <rule number="1" usefulness="useful">
        <lhs>unit</lhs>
        <rhs>
          <symbol>assignments</symbol>
          <symbol>exp</symbol>
        </rhs>
      </rule>
      <rule number="2" usefulness="useful">
        <lhs>assignments</lhs>
        <rhs>
          <empty/>
        </rhs>
      </rule>
      <rule number="3" usefulness="useful">
        <lhs>assignments</lhs>
        <rhs>
          <symbol>assignments</symbol>
          <symbol>assignment</symbol>
        </rhs>
      </rule>
      <rule number="4" usefulness="useful">
        <lhs>assignment</lhs>
        <rhs>
          <symbol>id</symbol>
          <symbol>&quot;:=&quot;</symbol>
          <symbol>exp</symbol>
        </rhs>
      </rule>
      <rule number="5" usefulness="useful">
        <lhs>id</lhs>
        <rhs>
          <symbol>&quot;identifier&quot;</symbol>
        </rhs>
      </rule>
      <rule number="6" usefulness="useful">
        <lhs>@1</lhs>
        <rhs>
          <empty/>
        </rhs>
      </rule>
      <rule number="7" usefulness="useful">
        <lhs>@2</lhs>
        <rhs>
          <empty/>
        </rhs>
      </rule>
      <rule number="8" usefulness="useful">
        <lhs>exp</lhs>
        <rhs>
          <symbol>&quot;incr&quot;</symbol>
          <symbol>exp</symbol>
          <symbol>@1</symbol>
          <symbol>@2</symbol>
          <symbol>exp</symbol>
        </rhs>
      </rule>
      <rule number="9" usefulness="useful">
        <lhs>exp</lhs>
        <rhs>
          <symbol>&quot;(&quot;</symbol>
          <symbol>exp</symbol>
          <symbol>&quot;)&quot;</symbol>
        </rhs>
      </rule>
      <rule number="10" usefulness="useful">
        <lhs>exp</lhs>
        <rhs>
          <symbol>&quot;identifier&quot;</symbol>
        </rhs>
      </rule>
      <rule number="11" usefulness="useful">
        <lhs>exp</lhs>
        <rhs>
          <symbol>&quot;number&quot;</symbol>
        </rhs>
      </rule>
    </rules>
    <terminals>
      <terminal symbol-number="0" token-number="0" name="&quot;end of file&quot;" type="" usefulness="useful"/>
      <terminal symbol-number="1" token-number="256" name="error" type="" usefulness="useful"/>
      <terminal symbol-number="3" token-number="258" name="&quot;:=&quot;" type="" usefulness="useful"/>
      <terminal symbol-number="4" token-number="259" name="&quot;incr&quot;" type="" usefulness="useful"/>
      <terminal symbol-number="5" token-number="260" name="&quot;identifier&quot;" type="std::string" usefulness="useful"/>
      <terminal symbol-number="6" token-number="261" name="&quot;number&quot;" type="int" usefulness="useful"/>
      <terminal symbol-number="7" token-number="262" name="&quot;(&quot;" type="" usefulness="useful"/>
      <terminal symbol-number="8" token-number="263" name="&quot;)&quot;" type="" usefulness="useful"/>
    </terminals>
    <nonterminals>
      <nonterminal symbol-number="9" name="$accept" type="" usefulness="useful"/>
      <nonterminal symbol-number="10" name="unit" type="" usefulness="useful"/>
      <nonterminal symbol-number="11" name="assignments" type="" usefulness="useful"/>
      <nonterminal symbol-number="12" name="assignment" type="" usefulness="useful"/>
      <nonterminal symbol-number="13" name="id" type="std::string" usefulness="useful"/>
      <nonterminal symbol-number="14" name="exp" type="int" usefulness="useful"/>
      <nonterminal symbol-number="15" name="@1" type="int" usefulness="useful"/>
      <nonterminal symbol-number="16" name="@2" type="int" usefulness="useful"/>
    </nonterminals>
  </grammar>

  <automaton>

    <state number="0">
      <itemset>
        <item rule-number="0" dot="0"/>
        <item rule-number="1" dot="0"/>
        <item rule-number="2" dot="0"/>
        <item rule-number="3" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="goto" symbol="unit" state="1"/>
          <transition type="goto" symbol="assignments" state="2"/>
        </transitions>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="2" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="1">
      <itemset>
        <item rule-number="0" dot="1"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;end of file&quot;" state="3"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="2">
      <itemset>
        <item rule-number="1" dot="1"/>
        <item rule-number="3" dot="1"/>
        <item rule-number="4" dot="0"/>
        <item rule-number="5" dot="0"/>
        <item rule-number="8" dot="0"/>
        <item rule-number="9" dot="0"/>
        <item rule-number="10" dot="0"/>
        <item rule-number="11" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;incr&quot;" state="4"/>
          <transition type="shift" symbol="&quot;identifier&quot;" state="5"/>
          <transition type="shift" symbol="&quot;number&quot;" state="6"/>
          <transition type="shift" symbol="&quot;(&quot;" state="7"/>
          <transition type="goto" symbol="assignment" state="8"/>
          <transition type="goto" symbol="id" state="9"/>
          <transition type="goto" symbol="exp" state="10"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="3">
      <itemset>
        <item rule-number="0" dot="2"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="accept" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="4">
      <itemset>
        <item rule-number="8" dot="0"/>
        <item rule-number="8" dot="1"/>
        <item rule-number="9" dot="0"/>
        <item rule-number="10" dot="0"/>
        <item rule-number="11" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;incr&quot;" state="4"/>
          <transition type="shift" symbol="&quot;identifier&quot;" state="11"/>
          <transition type="shift" symbol="&quot;number&quot;" state="6"/>
          <transition type="shift" symbol="&quot;(&quot;" state="7"/>
          <transition type="goto" symbol="exp" state="12"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="5">
      <itemset>
        <item rule-number="5" dot="1">
          <lookaheads>
            <symbol>&quot;:=&quot;</symbol>
          </lookaheads>
        </item>
        <item rule-number="10" dot="1">
          <lookaheads>
            <symbol>&quot;end of file&quot;</symbol>
          </lookaheads>
        </item>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="&quot;end of file&quot;" rule="10" enabled="true"/>
          <reduction symbol="$default" rule="5" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="6">
      <itemset>
        <item rule-number="11" dot="1"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="11" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="7">
      <itemset>
        <item rule-number="8" dot="0"/>
        <item rule-number="9" dot="0"/>
        <item rule-number="9" dot="1"/>
        <item rule-number="10" dot="0"/>
        <item rule-number="11" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;incr&quot;" state="4"/>
          <transition type="shift" symbol="&quot;identifier&quot;" state="11"/>
          <transition type="shift" symbol="&quot;number&quot;" state="6"/>
          <transition type="shift" symbol="&quot;(&quot;" state="7"/>
          <transition type="goto" symbol="exp" state="13"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="8">
      <itemset>
        <item rule-number="3" dot="2"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="3" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="9">
      <itemset>
        <item rule-number="4" dot="1"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;:=&quot;" state="14"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="10">
      <itemset>
        <item rule-number="1" dot="2"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="1" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="11">
      <itemset>
        <item rule-number="10" dot="1"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="10" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="12">
      <itemset>
        <item rule-number="6" dot="0"/>
        <item rule-number="8" dot="2"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="goto" symbol="@1" state="15"/>
        </transitions>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="6" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="13">
      <itemset>
        <item rule-number="9" dot="2"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;)&quot;" state="16"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="14">
      <itemset>
        <item rule-number="4" dot="2"/>
        <item rule-number="8" dot="0"/>
        <item rule-number="9" dot="0"/>
        <item rule-number="10" dot="0"/>
        <item rule-number="11" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;incr&quot;" state="4"/>
          <transition type="shift" symbol="&quot;identifier&quot;" state="11"/>
          <transition type="shift" symbol="&quot;number&quot;" state="6"/>
          <transition type="shift" symbol="&quot;(&quot;" state="7"/>
          <transition type="goto" symbol="exp" state="17"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="15">
      <itemset>
        <item rule-number="7" dot="0"/>
        <item rule-number="8" dot="3"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="goto" symbol="@2" state="18"/>
        </transitions>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="7" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="16">
      <itemset>
        <item rule-number="9" dot="3"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="9" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="17">
      <itemset>
        <item rule-number="4" dot="3"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="4" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="18">
      <itemset>
        <item rule-number="8" dot="0"/>
        <item rule-number="8" dot="4"/>
        <item rule-number="9" dot="0"/>
        <item rule-number="10" dot="0"/>
        <item rule-number="11" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;incr&quot;" state="4"/>
          <transition type="shift" symbol="&quot;identifier&quot;" state="11"/>
          <transition type="shift" symbol="&quot;number&quot;" state="6"/>
          <transition type="shift" symbol="&quot;(&quot;" state="7"/>
          <transition type="goto" symbol="exp" state="19"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="19">
      <itemset>
        <item rule-number="8" dot="5"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="8" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>
  </automaton>
</bison-xml-report>
]])

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[[<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:bison="https://www.gnu.org/software/bison/">
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
    <title>input.yy - GNU Bison XML Automaton Report</title>
    <style type="text/css">
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        font-family: "Nimbus Sans L", Arial, sans-serif;
        font-size: 9pt;
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  </head>
  <body><h1>GNU Bison XML Automaton Report</h1><p>
    input grammar: <span class="i">input.yy</span></p>

<h3>Table of Contents</h3><ul id="menu"><li><a href="#reductions">Reductions</a><ul class="lower-alpha"><li><a href="#nonterminals_useless_in_grammar">Nonterminals useless in grammar</a></li><li><a href="#terminals_unused_in_grammar">Terminals unused in grammar</a></li><li><a href="#rules_useless_in_grammar">Rules useless in grammar</a></li></ul></li><li><a href="#conflicts">Conflicts</a></li><li><a href="#grammar">Grammar</a><ul class="lower-alpha"><li><a href="#grammar">Itemset</a></li><li><a href="#terminals">Terminal symbols</a></li><li><a href="#nonterminals">Nonterminal symbols</a></li></ul></li><li><a href="#automaton">Automaton</a></li></ul><h2><a name="reductions" id="reductions"></a> Reductions</h2><h3><a name="nonterminals_useless_in_grammar" id="nonterminals_useless_in_grammar"></a> Nonterminals useless in grammar</h3>

<h3><a name="terminals_unused_in_grammar" id="terminals_unused_in_grammar"></a> Terminals unused in grammar</h3>

<h3><a name="rules_useless_in_grammar" id="rules_useless_in_grammar"></a> Rules useless in grammar</h3>
<h2><a name="conflicts" id="conflicts"></a> Conflicts</h2>

<h2><a name="grammar" id="grammar"></a> Grammar</h2>
<p class="pre">
  <a name="rule_0" id="rule_0">  0</a> <span class="i">$accept</span> → <span class="i">unit</span> <b>"end of file"</b>

  <a name="rule_1" id="rule_1">  1</a> <span class="i">unit</span> → <span class="i">assignments</span> <span class="i">exp</span>

  <a name="rule_2" id="rule_2">  2</a> <span class="i">assignments</span> → %empty
  <a name="rule_3" id="rule_3">  3</a>             | <span class="i">assignments</span> <span class="i">assignment</span>

  <a name="rule_4" id="rule_4">  4</a> <span class="i">assignment</span> → <span class="i">id</span> <b>":="</b> <span class="i">exp</span>

  <a name="rule_5" id="rule_5">  5</a> <span class="i">id</span> → <b>"identifier"</b>

  <a name="rule_6" id="rule_6">  6</a> <span class="i">@1</span> → %empty

  <a name="rule_7" id="rule_7">  7</a> <span class="i">@2</span> → %empty

  <a name="rule_8" id="rule_8">  8</a> <span class="i">exp</span> → <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
  <a name="rule_9" id="rule_9">  9</a>     | <b>"("</b> <span class="i">exp</span> <b>")"</b>
  <a name="rule_10" id="rule_10"> 10</a>     | <b>"identifier"</b>
  <a name="rule_11" id="rule_11"> 11</a>     | <b>"number"</b>
</p>

<h3><a name="terminals" id="terminals"></a> Terminals, with rules where they appear</h3>

<ul>
  <li><b>"end of file"</b> (0) <a href="#rule_0">0</a></li>
  <li><b>error</b> (256)</li>
  <li><b>":="</b> (258) <a href="#rule_4">4</a></li>
  <li><b>"incr"</b> (259) <a href="#rule_8">8</a></li>
  <li><b>"identifier"</b> &lt;std::string&gt; (260) <a href="#rule_5">5</a> <a href="#rule_10">10</a></li>
  <li><b>"number"</b> &lt;int&gt; (261) <a href="#rule_11">11</a></li>
  <li><b>"("</b> (262) <a href="#rule_9">9</a></li>
  <li><b>")"</b> (263) <a href="#rule_9">9</a></li>
</ul>

<h3><a name="nonterminals" id="nonterminals"></a> Nonterminals, with rules where they appear</h3>

<ul>
  <li><b>$accept</b> (9)
    <ul>
      <li>on left: <a href="#rule_0">0</a></li>
    </ul>
  </li>
  <li><b>unit</b> (10)
    <ul>
      <li>on left: <a href="#rule_1">1</a></li>
      <li>on right: <a href="#rule_0">0</a></li>
    </ul>
  </li>
  <li><b>assignments</b> (11)
    <ul>
      <li>on left: <a href="#rule_2">2</a> <a href="#rule_3">3</a></li>
      <li>on right: <a href="#rule_1">1</a> <a href="#rule_3">3</a></li>
    </ul>
  </li>
  <li><b>assignment</b> (12)
    <ul>
      <li>on left: <a href="#rule_4">4</a></li>
      <li>on right: <a href="#rule_3">3</a></li>
    </ul>
  </li>
  <li><b>id</b> &lt;std::string&gt; (13)
    <ul>
      <li>on left: <a href="#rule_5">5</a></li>
      <li>on right: <a href="#rule_4">4</a></li>
    </ul>
  </li>
  <li><b>exp</b> &lt;int&gt; (14)
    <ul>
      <li>on left: <a href="#rule_8">8</a> <a href="#rule_9">9</a> <a href="#rule_10">10</a> <a href="#rule_11">11</a></li>
      <li>on right: <a href="#rule_1">1</a> <a href="#rule_4">4</a> <a href="#rule_8">8</a> <a href="#rule_9">9</a></li>
    </ul>
  </li>
  <li><b>@1</b> &lt;int&gt; (15)
    <ul>
      <li>on left: <a href="#rule_6">6</a></li>
      <li>on right: <a href="#rule_8">8</a></li>
    </ul>
  </li>
  <li><b>@2</b> &lt;int&gt; (16)
    <ul>
      <li>on left: <a href="#rule_7">7</a></li>
      <li>on right: <a href="#rule_8">8</a></li>
    </ul>
  </li>
</ul><h2><a name="automaton" id="automaton"></a> Automaton</h2>

<h3><a name="state_0" id="state_0"></a>State 0</h3>

<p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <span class="dot">•</span> <span class="i">unit</span> <b>"end of file"</b>
  <a href="#rule_1">  1</a> <span class="i">unit</span> → <span class="dot">•</span> <span class="i">assignments</span> <span class="i">exp</span>
  <a href="#rule_2">  2</a> <span class="i">assignments</span> → <span class="dot">•</span> %empty
  <a href="#rule_3">  3</a>             | <span class="dot">•</span> <span class="i">assignments</span> <span class="i">assignment</span>

    $default  <a href="#rule_2">reduce using rule 2</a> (assignments)

    unit         <a href="#state_1">go to state 1</a>
    assignments  <a href="#state_2">go to state 2</a>
</p>

<h3><a name="state_1" id="state_1"></a>State 1</h3>

<p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <span class="i">unit</span> <span class="dot">•</span> <b>"end of file"</b>

    "end of file"  <a href="#state_3">shift, and go to state 3</a>
</p>

<h3><a name="state_2" id="state_2"></a>State 2</h3>

<p class="pre">  <a href="#rule_1">  1</a> <span class="i">unit</span> → <span class="i">assignments</span> <span class="dot">•</span> <span class="i">exp</span>
  <a href="#rule_3">  3</a> <span class="i">assignments</span> → <span class="i">assignments</span> <span class="dot">•</span> <span class="i">assignment</span>
  <a href="#rule_4">  4</a> <span class="i">assignment</span> → <span class="dot">•</span> <span class="i">id</span> <b>":="</b> <span class="i">exp</span>
  <a href="#rule_5">  5</a> <span class="i">id</span> → <span class="dot">•</span> <b>"identifier"</b>
  <a href="#rule_8">  8</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
  <a href="#rule_9">  9</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
  <a href="#rule_10"> 10</a>     | <span class="dot">•</span> <b>"identifier"</b>
  <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"number"</b>

    "incr"        <a href="#state_4">shift, and go to state 4</a>
    "identifier"  <a href="#state_5">shift, and go to state 5</a>
    "number"      <a href="#state_6">shift, and go to state 6</a>
    "("           <a href="#state_7">shift, and go to state 7</a>

    assignment  <a href="#state_8">go to state 8</a>
    id          <a href="#state_9">go to state 9</a>
    exp         <a href="#state_10">go to state 10</a>
</p>

<h3><a name="state_3" id="state_3"></a>State 3</h3>

<p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <span class="i">unit</span> <b>"end of file"</b> <span class="dot">•</span>

    $default  accept
</p>

<h3><a name="state_4" id="state_4"></a>State 4</h3>

<p class="pre">  <a href="#rule_8">  8</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
  <a href="#rule_8">  8</a>     | <b>"incr"</b> <span class="dot">•</span> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
  <a href="#rule_9">  9</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
  <a href="#rule_10"> 10</a>     | <span class="dot">•</span> <b>"identifier"</b>
  <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"number"</b>

    "incr"        <a href="#state_4">shift, and go to state 4</a>
    "identifier"  <a href="#state_11">shift, and go to state 11</a>
    "number"      <a href="#state_6">shift, and go to state 6</a>
    "("           <a href="#state_7">shift, and go to state 7</a>

    exp  <a href="#state_12">go to state 12</a>
</p>

<h3><a name="state_5" id="state_5"></a>State 5</h3>

<p class="pre">  <a href="#rule_5">  5</a> <span class="i">id</span> → <b>"identifier"</b> <span class="dot">•</span>  [":="]
  <a href="#rule_10"> 10</a> <span class="i">exp</span> → <b>"identifier"</b> <span class="dot">•</span>  ["end of file"]

    "end of file"  <a href="#rule_10">reduce using rule 10</a> (exp)
    $default       <a href="#rule_5">reduce using rule 5</a> (id)
</p>

<h3><a name="state_6" id="state_6"></a>State 6</h3>

<p class="pre">  <a href="#rule_11"> 11</a> <span class="i">exp</span> → <b>"number"</b> <span class="dot">•</span>

    $default  <a href="#rule_11">reduce using rule 11</a> (exp)
</p>

<h3><a name="state_7" id="state_7"></a>State 7</h3>

<p class="pre">  <a href="#rule_8">  8</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
  <a href="#rule_9">  9</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
  <a href="#rule_9">  9</a>     | <b>"("</b> <span class="dot">•</span> <span class="i">exp</span> <b>")"</b>
  <a href="#rule_10"> 10</a>     | <span class="dot">•</span> <b>"identifier"</b>
  <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"number"</b>

    "incr"        <a href="#state_4">shift, and go to state 4</a>
    "identifier"  <a href="#state_11">shift, and go to state 11</a>
    "number"      <a href="#state_6">shift, and go to state 6</a>
    "("           <a href="#state_7">shift, and go to state 7</a>

    exp  <a href="#state_13">go to state 13</a>
</p>

<h3><a name="state_8" id="state_8"></a>State 8</h3>

<p class="pre">  <a href="#rule_3">  3</a> <span class="i">assignments</span> → <span class="i">assignments</span> <span class="i">assignment</span> <span class="dot">•</span>

    $default  <a href="#rule_3">reduce using rule 3</a> (assignments)
</p>

<h3><a name="state_9" id="state_9"></a>State 9</h3>

<p class="pre">  <a href="#rule_4">  4</a> <span class="i">assignment</span> → <span class="i">id</span> <span class="dot">•</span> <b>":="</b> <span class="i">exp</span>

    ":="  <a href="#state_14">shift, and go to state 14</a>
</p>

<h3><a name="state_10" id="state_10"></a>State 10</h3>

<p class="pre">  <a href="#rule_1">  1</a> <span class="i">unit</span> → <span class="i">assignments</span> <span class="i">exp</span> <span class="dot">•</span>

    $default  <a href="#rule_1">reduce using rule 1</a> (unit)
</p>

<h3><a name="state_11" id="state_11"></a>State 11</h3>

<p class="pre">  <a href="#rule_10"> 10</a> <span class="i">exp</span> → <b>"identifier"</b> <span class="dot">•</span>

    $default  <a href="#rule_10">reduce using rule 10</a> (exp)
</p>

<h3><a name="state_12" id="state_12"></a>State 12</h3>

<p class="pre">  <a href="#rule_6">  6</a> <span class="i">@1</span> → <span class="dot">•</span> %empty
  <a href="#rule_8">  8</a> <span class="i">exp</span> → <b>"incr"</b> <span class="i">exp</span> <span class="dot">•</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>

    $default  <a href="#rule_6">reduce using rule 6</a> (@1)

    @1  <a href="#state_15">go to state 15</a>
</p>

<h3><a name="state_13" id="state_13"></a>State 13</h3>

<p class="pre">  <a href="#rule_9">  9</a> <span class="i">exp</span> → <b>"("</b> <span class="i">exp</span> <span class="dot">•</span> <b>")"</b>

    ")"  <a href="#state_16">shift, and go to state 16</a>
</p>

<h3><a name="state_14" id="state_14"></a>State 14</h3>

<p class="pre">  <a href="#rule_4">  4</a> <span class="i">assignment</span> → <span class="i">id</span> <b>":="</b> <span class="dot">•</span> <span class="i">exp</span>
  <a href="#rule_8">  8</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
  <a href="#rule_9">  9</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
  <a href="#rule_10"> 10</a>     | <span class="dot">•</span> <b>"identifier"</b>
  <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"number"</b>

    "incr"        <a href="#state_4">shift, and go to state 4</a>
    "identifier"  <a href="#state_11">shift, and go to state 11</a>
    "number"      <a href="#state_6">shift, and go to state 6</a>
    "("           <a href="#state_7">shift, and go to state 7</a>

    exp  <a href="#state_17">go to state 17</a>
</p>

<h3><a name="state_15" id="state_15"></a>State 15</h3>

<p class="pre">  <a href="#rule_7">  7</a> <span class="i">@2</span> → <span class="dot">•</span> %empty
  <a href="#rule_8">  8</a> <span class="i">exp</span> → <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="dot">•</span> <span class="i">@2</span> <span class="i">exp</span>

    $default  <a href="#rule_7">reduce using rule 7</a> (@2)

    @2  <a href="#state_18">go to state 18</a>
</p>

<h3><a name="state_16" id="state_16"></a>State 16</h3>

<p class="pre">  <a href="#rule_9">  9</a> <span class="i">exp</span> → <b>"("</b> <span class="i">exp</span> <b>")"</b> <span class="dot">•</span>

    $default  <a href="#rule_9">reduce using rule 9</a> (exp)
</p>

<h3><a name="state_17" id="state_17"></a>State 17</h3>

<p class="pre">  <a href="#rule_4">  4</a> <span class="i">assignment</span> → <span class="i">id</span> <b>":="</b> <span class="i">exp</span> <span class="dot">•</span>

    $default  <a href="#rule_4">reduce using rule 4</a> (assignment)
</p>

<h3><a name="state_18" id="state_18"></a>State 18</h3>

<p class="pre">  <a href="#rule_8">  8</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
  <a href="#rule_8">  8</a>     | <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="dot">•</span> <span class="i">exp</span>
  <a href="#rule_9">  9</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
  <a href="#rule_10"> 10</a>     | <span class="dot">•</span> <b>"identifier"</b>
  <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"number"</b>

    "incr"        <a href="#state_4">shift, and go to state 4</a>
    "identifier"  <a href="#state_11">shift, and go to state 11</a>
    "number"      <a href="#state_6">shift, and go to state 6</a>
    "("           <a href="#state_7">shift, and go to state 7</a>

    exp  <a href="#state_19">go to state 19</a>
</p>

<h3><a name="state_19" id="state_19"></a>State 19</h3>

<p class="pre">  <a href="#rule_8">  8</a> <span class="i">exp</span> → <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span> <span class="dot">•</span>

    $default  <a href="#rule_8">reduce using rule 8</a> (exp)
</p>

<div id="footer"><hr />This document was generated using
      <a href="https://www.gnu.org/software/bison/" title="GNU Bison">
      GNU Bison ]AT_PACKAGE_VERSION[</a>
      XML Automaton Report.<br />
      Verbatim copying and distribution of this entire page is
      permitted in any medium, provided this notice is preserved.</div></body>
</html>
]])

AT_BISON_OPTION_POPDEFS
AT_CLEANUP


dnl Disable because aborts on some architectures.  Not scheduled for 3.8 anyway.
dnl <https://lists.gnu.org/r/bug-bison/2021-08/msg00027.html>
dnl
dnl ## -------------------- ##
dnl ## Multistart reports.  ##
dnl ## -------------------- ##
dnl
dnl AT_SETUP([Multistart reports])
dnl
dnl AT_KEYWORDS([multistart report])
dnl
dnl AT_BISON_OPTION_PUSHDEFS
dnl AT_DATA([input.yy],
dnl [[%token
dnl   END  0  "end of file"
dnl   ASSIGN  ":="
dnl   INCR    "incr"
dnl ;
dnl
dnl %token <std::string> IDENTIFIER "identifier"
dnl %type <std::string> id
dnl %token <int> NUMBER "number"
dnl %type  <int> exp
dnl
dnl %%
dnl %start unit assignments exp;
dnl unit: assignments exp  { driver.result = $2; };
dnl
dnl assignments:
dnl   %empty                 {}
dnl | assignments assignment {};
dnl
dnl assignment:
dnl   id ":=" exp { driver.variables[$id] = $exp; };
dnl
dnl id:
dnl   "identifier";
dnl
dnl exp:
dnl   "incr" exp <int>{ $$ = 1; } <int>{ $$ = 10; } exp   { $$ = $2 + $3 + $4 + $5; }
dnl | "(" exp ")"   { std::swap ($$, $2); }
dnl | "identifier"  { $$ = driver.variables[$1]; }
dnl | "number"      { std::swap ($$, $1); };
dnl ]])
dnl
dnl AT_BISON_CHECK([-o input.cc -rall --graph=input.gv --xml input.yy])
dnl
dnl # Check the contents of the report.
dnl AT_CHECK([cat input.output], [],
dnl [[Grammar
dnl
dnl     0 $accept: YY_PARSE_unit unit "end of file"
dnl     1        | YY_PARSE_assignments assignments "end of file"
dnl     2        | YY_PARSE_exp exp "end of file"
dnl
dnl     3 unit: assignments exp
dnl
dnl     4 assignments: %empty
dnl     5            | assignments assignment
dnl
dnl     6 assignment: id ":=" exp
dnl
dnl     7 id: "identifier"
dnl
dnl     8 @1: %empty
dnl
dnl     9 @2: %empty
dnl
dnl    10 exp: "incr" exp @1 @2 exp
dnl    11    | "(" exp ")"
dnl    12    | "identifier"
dnl    13    | "number"
dnl
dnl
dnl Terminals, with rules where they appear
dnl
dnl     "end of file" (0) 0 1 2
dnl     error (256)
dnl     ":=" (258) 6
dnl     "incr" (259) 10
dnl     "identifier" <std::string> (260) 7 12
dnl     "number" <int> (261) 13
dnl     YY_PARSE_unit (262) 0
dnl     YY_PARSE_assignments (263) 1
dnl     YY_PARSE_exp (264) 2
dnl     "(" (265) 11
dnl     ")" (266) 11
dnl
dnl
dnl Nonterminals, with rules where they appear
dnl
dnl     $accept (12)
dnl         on left: 0 1 2
dnl     unit (13)
dnl         on left: 3
dnl         on right: 0
dnl     assignments (14)
dnl         on left: 4 5
dnl         on right: 1 3 5
dnl     assignment (15)
dnl         on left: 6
dnl         on right: 5
dnl     id <std::string> (16)
dnl         on left: 7
dnl         on right: 6
dnl     exp <int> (17)
dnl         on left: 10 11 12 13
dnl         on right: 2 3 6 10 11
dnl     @1 <int> (18)
dnl         on left: 8
dnl         on right: 10
dnl     @2 <int> (19)
dnl         on left: 9
dnl         on right: 10
dnl
dnl
dnl State 0
dnl
dnl     0 $accept: . YY_PARSE_unit unit "end of file"
dnl     1        | . YY_PARSE_assignments assignments "end of file"
dnl     2        | . YY_PARSE_exp exp "end of file"
dnl
dnl     YY_PARSE_unit         shift, and go to state 1
dnl     YY_PARSE_assignments  shift, and go to state 2
dnl     YY_PARSE_exp          shift, and go to state 3
dnl
dnl
dnl State 1
dnl
dnl     0 $accept: YY_PARSE_unit . unit "end of file"
dnl     3 unit: . assignments exp
dnl     4 assignments: %empty .
dnl     5            | . assignments assignment
dnl
dnl     $default  reduce using rule 4 (assignments)
dnl
dnl     unit         go to state 4
dnl     assignments  go to state 5
dnl
dnl
dnl State 2
dnl
dnl     1 $accept: YY_PARSE_assignments . assignments "end of file"
dnl     4 assignments: %empty .
dnl     5            | . assignments assignment
dnl
dnl     $default  reduce using rule 4 (assignments)
dnl
dnl     assignments  go to state 6
dnl
dnl
dnl State 3
dnl
dnl     2 $accept: YY_PARSE_exp . exp "end of file"
dnl    10 exp: . "incr" exp @1 @2 exp
dnl    11    | . "(" exp ")"
dnl    12    | . "identifier"
dnl    13    | . "number"
dnl
dnl     "incr"        shift, and go to state 7
dnl     "identifier"  shift, and go to state 8
dnl     "number"      shift, and go to state 9
dnl     "("           shift, and go to state 10
dnl
dnl     exp  go to state 11
dnl
dnl
dnl State 4
dnl
dnl     0 $accept: YY_PARSE_unit unit . "end of file"
dnl
dnl     "end of file"  shift, and go to state 12
dnl
dnl
dnl State 5
dnl
dnl     3 unit: assignments . exp
dnl     5 assignments: assignments . assignment
dnl     6 assignment: . id ":=" exp
dnl     7 id: . "identifier"
dnl    10 exp: . "incr" exp @1 @2 exp
dnl    11    | . "(" exp ")"
dnl    12    | . "identifier"
dnl    13    | . "number"
dnl
dnl     "incr"        shift, and go to state 7
dnl     "identifier"  shift, and go to state 13
dnl     "number"      shift, and go to state 9
dnl     "("           shift, and go to state 10
dnl
dnl     assignment  go to state 14
dnl     id          go to state 15
dnl     exp         go to state 16
dnl
dnl
dnl State 6
dnl
dnl     1 $accept: YY_PARSE_assignments assignments . "end of file"
dnl     5 assignments: assignments . assignment
dnl     6 assignment: . id ":=" exp
dnl     7 id: . "identifier"
dnl
dnl     "end of file"  shift, and go to state 17
dnl     "identifier"   shift, and go to state 18
dnl
dnl     assignment  go to state 14
dnl     id          go to state 15
dnl
dnl
dnl State 7
dnl
dnl    10 exp: . "incr" exp @1 @2 exp
dnl    10    | "incr" . exp @1 @2 exp
dnl    11    | . "(" exp ")"
dnl    12    | . "identifier"
dnl    13    | . "number"
dnl
dnl     "incr"        shift, and go to state 7
dnl     "identifier"  shift, and go to state 8
dnl     "number"      shift, and go to state 9
dnl     "("           shift, and go to state 10
dnl
dnl     exp  go to state 19
dnl
dnl
dnl State 8
dnl
dnl    12 exp: "identifier" .
dnl
dnl     $default  reduce using rule 12 (exp)
dnl
dnl
dnl State 9
dnl
dnl    13 exp: "number" .
dnl
dnl     $default  reduce using rule 13 (exp)
dnl
dnl
dnl State 10
dnl
dnl    10 exp: . "incr" exp @1 @2 exp
dnl    11    | . "(" exp ")"
dnl    11    | "(" . exp ")"
dnl    12    | . "identifier"
dnl    13    | . "number"
dnl
dnl     "incr"        shift, and go to state 7
dnl     "identifier"  shift, and go to state 8
dnl     "number"      shift, and go to state 9
dnl     "("           shift, and go to state 10
dnl
dnl     exp  go to state 20
dnl
dnl
dnl State 11
dnl
dnl     2 $accept: YY_PARSE_exp exp . "end of file"
dnl
dnl     "end of file"  shift, and go to state 21
dnl
dnl
dnl State 12
dnl
dnl     0 $accept: YY_PARSE_unit unit "end of file" .
dnl
dnl     $default  accept
dnl
dnl
dnl State 13
dnl
dnl     7 id: "identifier" .  [":="]
dnl    12 exp: "identifier" .  ["end of file"]
dnl
dnl     "end of file"  reduce using rule 12 (exp)
dnl     $default       reduce using rule 7 (id)
dnl
dnl
dnl State 14
dnl
dnl     5 assignments: assignments assignment .
dnl
dnl     $default  reduce using rule 5 (assignments)
dnl
dnl
dnl State 15
dnl
dnl     6 assignment: id . ":=" exp
dnl
dnl     ":="  shift, and go to state 22
dnl
dnl
dnl State 16
dnl
dnl     3 unit: assignments exp .
dnl
dnl     $default  reduce using rule 3 (unit)
dnl
dnl
dnl State 17
dnl
dnl     1 $accept: YY_PARSE_assignments assignments "end of file" .
dnl
dnl     $default  accept
dnl
dnl
dnl State 18
dnl
dnl     7 id: "identifier" .
dnl
dnl     $default  reduce using rule 7 (id)
dnl
dnl
dnl State 19
dnl
dnl     8 @1: %empty .
dnl    10 exp: "incr" exp . @1 @2 exp
dnl
dnl     $default  reduce using rule 8 (@1)
dnl
dnl     @1  go to state 23
dnl
dnl
dnl State 20
dnl
dnl    11 exp: "(" exp . ")"
dnl
dnl     ")"  shift, and go to state 24
dnl
dnl
dnl State 21
dnl
dnl     2 $accept: YY_PARSE_exp exp "end of file" .
dnl
dnl     $default  accept
dnl
dnl
dnl State 22
dnl
dnl     6 assignment: id ":=" . exp
dnl    10 exp: . "incr" exp @1 @2 exp
dnl    11    | . "(" exp ")"
dnl    12    | . "identifier"
dnl    13    | . "number"
dnl
dnl     "incr"        shift, and go to state 7
dnl     "identifier"  shift, and go to state 8
dnl     "number"      shift, and go to state 9
dnl     "("           shift, and go to state 10
dnl
dnl     exp  go to state 25
dnl
dnl
dnl State 23
dnl
dnl     9 @2: %empty .
dnl    10 exp: "incr" exp @1 . @2 exp
dnl
dnl     $default  reduce using rule 9 (@2)
dnl
dnl     @2  go to state 26
dnl
dnl
dnl State 24
dnl
dnl    11 exp: "(" exp ")" .
dnl
dnl     $default  reduce using rule 11 (exp)
dnl
dnl
dnl State 25
dnl
dnl     6 assignment: id ":=" exp .
dnl
dnl     $default  reduce using rule 6 (assignment)
dnl
dnl
dnl State 26
dnl
dnl    10 exp: . "incr" exp @1 @2 exp
dnl    10    | "incr" exp @1 @2 . exp
dnl    11    | . "(" exp ")"
dnl    12    | . "identifier"
dnl    13    | . "number"
dnl
dnl     "incr"        shift, and go to state 7
dnl     "identifier"  shift, and go to state 8
dnl     "number"      shift, and go to state 9
dnl     "("           shift, and go to state 10
dnl
dnl     exp  go to state 27
dnl
dnl
dnl State 27
dnl
dnl    10 exp: "incr" exp @1 @2 exp .
dnl
dnl     $default  reduce using rule 10 (exp)
dnl ]])
dnl
dnl
dnl
dnl AT_CHECK([cat input.gv], [],
dnl [[// Generated by GNU Bison ]AT_PACKAGE_VERSION[.
dnl // Report bugs to <bug-bison@gnu.org>.
dnl // Home page: <https://www.gnu.org/software/bison/>.
dnl
dnl digraph "input.yy"
dnl {
dnl   node [fontname = courier, shape = box, colorscheme = paired6]
dnl   edge [fontname = courier]
dnl
dnl   0 [label="State 0\n\l  0 $accept: • YY_PARSE_unit unit \"end of file\"\l  1        | • YY_PARSE_assignments assignments \"end of file\"\l  2        | • YY_PARSE_exp exp \"end of file\"\l"]
dnl   0 -> 1 [style=solid label="YY_PARSE_unit"]
dnl   0 -> 2 [style=solid label="YY_PARSE_assignments"]
dnl   0 -> 3 [style=solid label="YY_PARSE_exp"]
dnl   1 [label="State 1\n\l  0 $accept: YY_PARSE_unit • unit \"end of file\"\l  3 unit: • assignments exp\l  4 assignments: • %empty\l  5            | • assignments assignment\l"]
dnl   1 -> 4 [style=dashed label="unit"]
dnl   1 -> 5 [style=dashed label="assignments"]
dnl   1 -> "1R4" [style=solid]
dnl  "1R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
dnl   2 [label="State 2\n\l  1 $accept: YY_PARSE_assignments • assignments \"end of file\"\l  4 assignments: • %empty\l  5            | • assignments assignment\l"]
dnl   2 -> 6 [style=dashed label="assignments"]
dnl   2 -> "2R4" [style=solid]
dnl  "2R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
dnl   3 [label="State 3\n\l  2 $accept: YY_PARSE_exp • exp \"end of file\"\l 10 exp: • \"incr\" exp @1 @2 exp\l 11    | • \"(\" exp \")\"\l 12    | • \"identifier\"\l 13    | • \"number\"\l"]
dnl   3 -> 7 [style=solid label="\"incr\""]
dnl   3 -> 8 [style=solid label="\"identifier\""]
dnl   3 -> 9 [style=solid label="\"number\""]
dnl   3 -> 10 [style=solid label="\"(\""]
dnl   3 -> 11 [style=dashed label="exp"]
dnl   4 [label="State 4\n\l  0 $accept: YY_PARSE_unit unit • \"end of file\"\l"]
dnl   4 -> 12 [style=solid label="\"end of file\""]
dnl   5 [label="State 5\n\l  3 unit: assignments • exp\l  5 assignments: assignments • assignment\l  6 assignment: • id \":=\" exp\l  7 id: • \"identifier\"\l 10 exp: • \"incr\" exp @1 @2 exp\l 11    | • \"(\" exp \")\"\l 12    | • \"identifier\"\l 13    | • \"number\"\l"]
dnl   5 -> 7 [style=solid label="\"incr\""]
dnl   5 -> 13 [style=solid label="\"identifier\""]
dnl   5 -> 9 [style=solid label="\"number\""]
dnl   5 -> 10 [style=solid label="\"(\""]
dnl   5 -> 14 [style=dashed label="assignment"]
dnl   5 -> 15 [style=dashed label="id"]
dnl   5 -> 16 [style=dashed label="exp"]
dnl   6 [label="State 6\n\l  1 $accept: YY_PARSE_assignments assignments • \"end of file\"\l  5 assignments: assignments • assignment\l  6 assignment: • id \":=\" exp\l  7 id: • \"identifier\"\l"]
dnl   6 -> 17 [style=solid label="\"end of file\""]
dnl   6 -> 18 [style=solid label="\"identifier\""]
dnl   6 -> 14 [style=dashed label="assignment"]
dnl   6 -> 15 [style=dashed label="id"]
dnl   7 [label="State 7\n\l 10 exp: • \"incr\" exp @1 @2 exp\l 10    | \"incr\" • exp @1 @2 exp\l 11    | • \"(\" exp \")\"\l 12    | • \"identifier\"\l 13    | • \"number\"\l"]
dnl   7 -> 7 [style=solid label="\"incr\""]
dnl   7 -> 8 [style=solid label="\"identifier\""]
dnl   7 -> 9 [style=solid label="\"number\""]
dnl   7 -> 10 [style=solid label="\"(\""]
dnl   7 -> 19 [style=dashed label="exp"]
dnl   8 [label="State 8\n\l 12 exp: \"identifier\" •\l"]
dnl   8 -> "8R12" [style=solid]
dnl  "8R12" [label="R12", fillcolor=3, shape=diamond, style=filled]
dnl   9 [label="State 9\n\l 13 exp: \"number\" •\l"]
dnl   9 -> "9R13" [style=solid]
dnl  "9R13" [label="R13", fillcolor=3, shape=diamond, style=filled]
dnl   10 [label="State 10\n\l 10 exp: • \"incr\" exp @1 @2 exp\l 11    | • \"(\" exp \")\"\l 11    | \"(\" • exp \")\"\l 12    | • \"identifier\"\l 13    | • \"number\"\l"]
dnl   10 -> 7 [style=solid label="\"incr\""]
dnl   10 -> 8 [style=solid label="\"identifier\""]
dnl   10 -> 9 [style=solid label="\"number\""]
dnl   10 -> 10 [style=solid label="\"(\""]
dnl   10 -> 20 [style=dashed label="exp"]
dnl   11 [label="State 11\n\l  2 $accept: YY_PARSE_exp exp • \"end of file\"\l"]
dnl   11 -> 21 [style=solid label="\"end of file\""]
dnl   12 [label="State 12\n\l  0 $accept: YY_PARSE_unit unit \"end of file\" •\l"]
dnl   12 -> "12R0" [style=solid]
dnl  "12R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
dnl   13 [label="State 13\n\l  7 id: \"identifier\" •  [\":=\"]\l 12 exp: \"identifier\" •  [\"end of file\"]\l"]
dnl   13 -> "13R7" [style=solid]
dnl  "13R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
dnl   13 -> "13R12" [label="[\"end of file\"]", style=solid]
dnl  "13R12" [label="R12", fillcolor=3, shape=diamond, style=filled]
dnl   14 [label="State 14\n\l  5 assignments: assignments assignment •\l"]
dnl   14 -> "14R5" [style=solid]
dnl  "14R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
dnl   15 [label="State 15\n\l  6 assignment: id • \":=\" exp\l"]
dnl   15 -> 22 [style=solid label="\":=\""]
dnl   16 [label="State 16\n\l  3 unit: assignments exp •\l"]
dnl   16 -> "16R3" [style=solid]
dnl  "16R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
dnl   17 [label="State 17\n\l  1 $accept: YY_PARSE_assignments assignments \"end of file\" •\l"]
dnl   17 -> "17R1" [style=solid]
dnl  "17R1" [label="Acc", fillcolor=1, shape=diamond, style=filled]
dnl   18 [label="State 18\n\l  7 id: \"identifier\" •\l"]
dnl   18 -> "18R7" [style=solid]
dnl  "18R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
dnl   19 [label="State 19\n\l  8 @1: • %empty\l 10 exp: \"incr\" exp • @1 @2 exp\l"]
dnl   19 -> 23 [style=dashed label="@1"]
dnl   19 -> "19R8" [style=solid]
dnl  "19R8" [label="R8", fillcolor=3, shape=diamond, style=filled]
dnl   20 [label="State 20\n\l 11 exp: \"(\" exp • \")\"\l"]
dnl   20 -> 24 [style=solid label="\")\""]
dnl   21 [label="State 21\n\l  2 $accept: YY_PARSE_exp exp \"end of file\" •\l"]
dnl   21 -> "21R2" [style=solid]
dnl  "21R2" [label="Acc", fillcolor=1, shape=diamond, style=filled]
dnl   22 [label="State 22\n\l  6 assignment: id \":=\" • exp\l 10 exp: • \"incr\" exp @1 @2 exp\l 11    | • \"(\" exp \")\"\l 12    | • \"identifier\"\l 13    | • \"number\"\l"]
dnl   22 -> 7 [style=solid label="\"incr\""]
dnl   22 -> 8 [style=solid label="\"identifier\""]
dnl   22 -> 9 [style=solid label="\"number\""]
dnl   22 -> 10 [style=solid label="\"(\""]
dnl   22 -> 25 [style=dashed label="exp"]
dnl   23 [label="State 23\n\l  9 @2: • %empty\l 10 exp: \"incr\" exp @1 • @2 exp\l"]
dnl   23 -> 26 [style=dashed label="@2"]
dnl   23 -> "23R9" [style=solid]
dnl  "23R9" [label="R9", fillcolor=3, shape=diamond, style=filled]
dnl   24 [label="State 24\n\l 11 exp: \"(\" exp \")\" •\l"]
dnl   24 -> "24R11" [style=solid]
dnl  "24R11" [label="R11", fillcolor=3, shape=diamond, style=filled]
dnl   25 [label="State 25\n\l  6 assignment: id \":=\" exp •\l"]
dnl   25 -> "25R6" [style=solid]
dnl  "25R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
dnl   26 [label="State 26\n\l 10 exp: • \"incr\" exp @1 @2 exp\l 10    | \"incr\" exp @1 @2 • exp\l 11    | • \"(\" exp \")\"\l 12    | • \"identifier\"\l 13    | • \"number\"\l"]
dnl   26 -> 7 [style=solid label="\"incr\""]
dnl   26 -> 8 [style=solid label="\"identifier\""]
dnl   26 -> 9 [style=solid label="\"number\""]
dnl   26 -> 10 [style=solid label="\"(\""]
dnl   26 -> 27 [style=dashed label="exp"]
dnl   27 [label="State 27\n\l 10 exp: \"incr\" exp @1 @2 exp •\l"]
dnl   27 -> "27R10" [style=solid]
dnl  "27R10" [label="R10", fillcolor=3, shape=diamond, style=filled]
dnl }
dnl ]])
dnl
dnl
dnl AT_CHECK([[cat input.xml]], [],
dnl [[<?xml version="1.0"?>
dnl
dnl <bison-xml-report version="]AT_PACKAGE_VERSION[" bug-report="bug-bison@gnu.org" url="https://www.gnu.org/software/bison/">
dnl
dnl   <filename>input.yy</filename>
dnl
dnl   <grammar>
dnl     <rules>
dnl       <rule number="0" usefulness="useful">
dnl         <lhs>$accept</lhs>
dnl         <rhs>
dnl           <symbol>YY_PARSE_unit</symbol>
dnl           <symbol>unit</symbol>
dnl           <symbol>&quot;end of file&quot;</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="1" usefulness="useful">
dnl         <lhs>$accept</lhs>
dnl         <rhs>
dnl           <symbol>YY_PARSE_assignments</symbol>
dnl           <symbol>assignments</symbol>
dnl           <symbol>&quot;end of file&quot;</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="2" usefulness="useful">
dnl         <lhs>$accept</lhs>
dnl         <rhs>
dnl           <symbol>YY_PARSE_exp</symbol>
dnl           <symbol>exp</symbol>
dnl           <symbol>&quot;end of file&quot;</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="3" usefulness="useful">
dnl         <lhs>unit</lhs>
dnl         <rhs>
dnl           <symbol>assignments</symbol>
dnl           <symbol>exp</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="4" usefulness="useful">
dnl         <lhs>assignments</lhs>
dnl         <rhs>
dnl           <empty/>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="5" usefulness="useful">
dnl         <lhs>assignments</lhs>
dnl         <rhs>
dnl           <symbol>assignments</symbol>
dnl           <symbol>assignment</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="6" usefulness="useful">
dnl         <lhs>assignment</lhs>
dnl         <rhs>
dnl           <symbol>id</symbol>
dnl           <symbol>&quot;:=&quot;</symbol>
dnl           <symbol>exp</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="7" usefulness="useful">
dnl         <lhs>id</lhs>
dnl         <rhs>
dnl           <symbol>&quot;identifier&quot;</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="8" usefulness="useful">
dnl         <lhs>@1</lhs>
dnl         <rhs>
dnl           <empty/>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="9" usefulness="useful">
dnl         <lhs>@2</lhs>
dnl         <rhs>
dnl           <empty/>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="10" usefulness="useful">
dnl         <lhs>exp</lhs>
dnl         <rhs>
dnl           <symbol>&quot;incr&quot;</symbol>
dnl           <symbol>exp</symbol>
dnl           <symbol>@1</symbol>
dnl           <symbol>@2</symbol>
dnl           <symbol>exp</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="11" usefulness="useful">
dnl         <lhs>exp</lhs>
dnl         <rhs>
dnl           <symbol>&quot;(&quot;</symbol>
dnl           <symbol>exp</symbol>
dnl           <symbol>&quot;)&quot;</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="12" usefulness="useful">
dnl         <lhs>exp</lhs>
dnl         <rhs>
dnl           <symbol>&quot;identifier&quot;</symbol>
dnl         </rhs>
dnl       </rule>
dnl       <rule number="13" usefulness="useful">
dnl         <lhs>exp</lhs>
dnl         <rhs>
dnl           <symbol>&quot;number&quot;</symbol>
dnl         </rhs>
dnl       </rule>
dnl     </rules>
dnl     <terminals>
dnl       <terminal symbol-number="0" token-number="0" name="&quot;end of file&quot;" type="" usefulness="useful"/>
dnl       <terminal symbol-number="1" token-number="256" name="error" type="" usefulness="useful"/>
dnl       <terminal symbol-number="3" token-number="258" name="&quot;:=&quot;" type="" usefulness="useful"/>
dnl       <terminal symbol-number="4" token-number="259" name="&quot;incr&quot;" type="" usefulness="useful"/>
dnl       <terminal symbol-number="5" token-number="260" name="&quot;identifier&quot;" type="std::string" usefulness="useful"/>
dnl       <terminal symbol-number="6" token-number="261" name="&quot;number&quot;" type="int" usefulness="useful"/>
dnl       <terminal symbol-number="7" token-number="262" name="YY_PARSE_unit" type="" usefulness="useful"/>
dnl       <terminal symbol-number="8" token-number="263" name="YY_PARSE_assignments" type="" usefulness="useful"/>
dnl       <terminal symbol-number="9" token-number="264" name="YY_PARSE_exp" type="" usefulness="useful"/>
dnl       <terminal symbol-number="10" token-number="265" name="&quot;(&quot;" type="" usefulness="useful"/>
dnl       <terminal symbol-number="11" token-number="266" name="&quot;)&quot;" type="" usefulness="useful"/>
dnl     </terminals>
dnl     <nonterminals>
dnl       <nonterminal symbol-number="12" name="$accept" type="" usefulness="useful"/>
dnl       <nonterminal symbol-number="13" name="unit" type="" usefulness="useful"/>
dnl       <nonterminal symbol-number="14" name="assignments" type="" usefulness="useful"/>
dnl       <nonterminal symbol-number="15" name="assignment" type="" usefulness="useful"/>
dnl       <nonterminal symbol-number="16" name="id" type="std::string" usefulness="useful"/>
dnl       <nonterminal symbol-number="17" name="exp" type="int" usefulness="useful"/>
dnl       <nonterminal symbol-number="18" name="@1" type="int" usefulness="useful"/>
dnl       <nonterminal symbol-number="19" name="@2" type="int" usefulness="useful"/>
dnl     </nonterminals>
dnl   </grammar>
dnl
dnl   <automaton>
dnl
dnl     <state number="0">
dnl       <itemset>
dnl         <item rule-number="0" dot="0"/>
dnl         <item rule-number="1" dot="0"/>
dnl         <item rule-number="2" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="YY_PARSE_unit" state="1"/>
dnl           <transition type="shift" symbol="YY_PARSE_assignments" state="2"/>
dnl           <transition type="shift" symbol="YY_PARSE_exp" state="3"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="1">
dnl       <itemset>
dnl         <item rule-number="0" dot="1"/>
dnl         <item rule-number="3" dot="0"/>
dnl         <item rule-number="4" dot="0"/>
dnl         <item rule-number="5" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="goto" symbol="unit" state="4"/>
dnl           <transition type="goto" symbol="assignments" state="5"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="4" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="2">
dnl       <itemset>
dnl         <item rule-number="1" dot="1"/>
dnl         <item rule-number="4" dot="0"/>
dnl         <item rule-number="5" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="goto" symbol="assignments" state="6"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="4" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="3">
dnl       <itemset>
dnl         <item rule-number="2" dot="1"/>
dnl         <item rule-number="10" dot="0"/>
dnl         <item rule-number="11" dot="0"/>
dnl         <item rule-number="12" dot="0"/>
dnl         <item rule-number="13" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;incr&quot;" state="7"/>
dnl           <transition type="shift" symbol="&quot;identifier&quot;" state="8"/>
dnl           <transition type="shift" symbol="&quot;number&quot;" state="9"/>
dnl           <transition type="shift" symbol="&quot;(&quot;" state="10"/>
dnl           <transition type="goto" symbol="exp" state="11"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="4">
dnl       <itemset>
dnl         <item rule-number="0" dot="2"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;end of file&quot;" state="12"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="5">
dnl       <itemset>
dnl         <item rule-number="3" dot="1"/>
dnl         <item rule-number="5" dot="1"/>
dnl         <item rule-number="6" dot="0"/>
dnl         <item rule-number="7" dot="0"/>
dnl         <item rule-number="10" dot="0"/>
dnl         <item rule-number="11" dot="0"/>
dnl         <item rule-number="12" dot="0"/>
dnl         <item rule-number="13" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;incr&quot;" state="7"/>
dnl           <transition type="shift" symbol="&quot;identifier&quot;" state="13"/>
dnl           <transition type="shift" symbol="&quot;number&quot;" state="9"/>
dnl           <transition type="shift" symbol="&quot;(&quot;" state="10"/>
dnl           <transition type="goto" symbol="assignment" state="14"/>
dnl           <transition type="goto" symbol="id" state="15"/>
dnl           <transition type="goto" symbol="exp" state="16"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="6">
dnl       <itemset>
dnl         <item rule-number="1" dot="2"/>
dnl         <item rule-number="5" dot="1"/>
dnl         <item rule-number="6" dot="0"/>
dnl         <item rule-number="7" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;end of file&quot;" state="17"/>
dnl           <transition type="shift" symbol="&quot;identifier&quot;" state="18"/>
dnl           <transition type="goto" symbol="assignment" state="14"/>
dnl           <transition type="goto" symbol="id" state="15"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="7">
dnl       <itemset>
dnl         <item rule-number="10" dot="0"/>
dnl         <item rule-number="10" dot="1"/>
dnl         <item rule-number="11" dot="0"/>
dnl         <item rule-number="12" dot="0"/>
dnl         <item rule-number="13" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;incr&quot;" state="7"/>
dnl           <transition type="shift" symbol="&quot;identifier&quot;" state="8"/>
dnl           <transition type="shift" symbol="&quot;number&quot;" state="9"/>
dnl           <transition type="shift" symbol="&quot;(&quot;" state="10"/>
dnl           <transition type="goto" symbol="exp" state="19"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="8">
dnl       <itemset>
dnl         <item rule-number="12" dot="1"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="12" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="9">
dnl       <itemset>
dnl         <item rule-number="13" dot="1"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="13" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="10">
dnl       <itemset>
dnl         <item rule-number="10" dot="0"/>
dnl         <item rule-number="11" dot="0"/>
dnl         <item rule-number="11" dot="1"/>
dnl         <item rule-number="12" dot="0"/>
dnl         <item rule-number="13" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;incr&quot;" state="7"/>
dnl           <transition type="shift" symbol="&quot;identifier&quot;" state="8"/>
dnl           <transition type="shift" symbol="&quot;number&quot;" state="9"/>
dnl           <transition type="shift" symbol="&quot;(&quot;" state="10"/>
dnl           <transition type="goto" symbol="exp" state="20"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="11">
dnl       <itemset>
dnl         <item rule-number="2" dot="2"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;end of file&quot;" state="21"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="12">
dnl       <itemset>
dnl         <item rule-number="0" dot="3"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="accept" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="13">
dnl       <itemset>
dnl         <item rule-number="7" dot="1">
dnl           <lookaheads>
dnl             <symbol>&quot;:=&quot;</symbol>
dnl           </lookaheads>
dnl         </item>
dnl         <item rule-number="12" dot="1">
dnl           <lookaheads>
dnl             <symbol>&quot;end of file&quot;</symbol>
dnl           </lookaheads>
dnl         </item>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="&quot;end of file&quot;" rule="12" enabled="true"/>
dnl           <reduction symbol="$default" rule="7" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="14">
dnl       <itemset>
dnl         <item rule-number="5" dot="2"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="5" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="15">
dnl       <itemset>
dnl         <item rule-number="6" dot="1"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;:=&quot;" state="22"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="16">
dnl       <itemset>
dnl         <item rule-number="3" dot="2"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="3" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="17">
dnl       <itemset>
dnl         <item rule-number="1" dot="3"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="accept" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="18">
dnl       <itemset>
dnl         <item rule-number="7" dot="1"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="7" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="19">
dnl       <itemset>
dnl         <item rule-number="8" dot="0"/>
dnl         <item rule-number="10" dot="2"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="goto" symbol="@1" state="23"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="8" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="20">
dnl       <itemset>
dnl         <item rule-number="11" dot="2"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;)&quot;" state="24"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="21">
dnl       <itemset>
dnl         <item rule-number="2" dot="3"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="accept" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="22">
dnl       <itemset>
dnl         <item rule-number="6" dot="2"/>
dnl         <item rule-number="10" dot="0"/>
dnl         <item rule-number="11" dot="0"/>
dnl         <item rule-number="12" dot="0"/>
dnl         <item rule-number="13" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;incr&quot;" state="7"/>
dnl           <transition type="shift" symbol="&quot;identifier&quot;" state="8"/>
dnl           <transition type="shift" symbol="&quot;number&quot;" state="9"/>
dnl           <transition type="shift" symbol="&quot;(&quot;" state="10"/>
dnl           <transition type="goto" symbol="exp" state="25"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="23">
dnl       <itemset>
dnl         <item rule-number="9" dot="0"/>
dnl         <item rule-number="10" dot="3"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="goto" symbol="@2" state="26"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="9" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="24">
dnl       <itemset>
dnl         <item rule-number="11" dot="3"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="11" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="25">
dnl       <itemset>
dnl         <item rule-number="6" dot="3"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="6" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="26">
dnl       <itemset>
dnl         <item rule-number="10" dot="0"/>
dnl         <item rule-number="10" dot="4"/>
dnl         <item rule-number="11" dot="0"/>
dnl         <item rule-number="12" dot="0"/>
dnl         <item rule-number="13" dot="0"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions>
dnl           <transition type="shift" symbol="&quot;incr&quot;" state="7"/>
dnl           <transition type="shift" symbol="&quot;identifier&quot;" state="8"/>
dnl           <transition type="shift" symbol="&quot;number&quot;" state="9"/>
dnl           <transition type="shift" symbol="&quot;(&quot;" state="10"/>
dnl           <transition type="goto" symbol="exp" state="27"/>
dnl         </transitions>
dnl         <errors/>
dnl         <reductions/>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl
dnl     <state number="27">
dnl       <itemset>
dnl         <item rule-number="10" dot="5"/>
dnl       </itemset>
dnl       <actions>
dnl         <transitions/>
dnl         <errors/>
dnl         <reductions>
dnl           <reduction symbol="$default" rule="10" enabled="true"/>
dnl         </reductions>
dnl       </actions>
dnl       <solved-conflicts/>
dnl     </state>
dnl   </automaton>
dnl </bison-xml-report>
dnl ]])
dnl
dnl if test x"$XSLTPROC" != x""; then
dnl   AT_CHECK([[$XSLTPROC \
dnl              `]]AT_SET_ENV[[ bison --print-datadir`/xslt/xml2xhtml.xsl \
dnl              input.xml >input.html]])
dnl   AT_CHECK_HTML([input.html],
dnl [[<?xml version="1.0" encoding="UTF-8"?>
dnl <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
dnl <html xmlns="http://www.w3.org/1999/xhtml" xmlns:bison="https://www.gnu.org/software/bison/">
dnl   <head>
dnl     <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
dnl     <title>input.yy - GNU Bison XML Automaton Report</title>
dnl     <style type="text/css">
dnl       body {
dnl         font-family: "Nimbus Sans L", Arial, sans-serif;
dnl         font-size: 9pt;
dnl       }
dnl       a:link {
dnl         color: #1f00ff;
dnl         text-decoration: none;
dnl       }
dnl       a:visited {
dnl         color: #1f00ff;
dnl         text-decoration: none;
dnl       }
dnl       a:hover {
dnl         color: red;
dnl       }
dnl       #menu a {
dnl         text-decoration: underline;
dnl       }
dnl       .i {
dnl         font-style: italic;
dnl       }
dnl       .pre {
dnl         font-family: monospace;
dnl         white-space: pre;
dnl       }
dnl       ol.decimal {
dnl         list-style-type: decimal;
dnl       }
dnl       ol.lower-alpha {
dnl         list-style-type: lower-alpha;
dnl       }
dnl       .dot {
dnl         color: #cc0000;
dnl       }
dnl       #footer {
dnl         margin-top: 3.5em;
dnl         font-size: 7pt;
dnl       }
dnl       </style>
dnl   </head>
dnl   <body><h1>GNU Bison XML Automaton Report</h1><p>
dnl     input grammar: <span class="i">input.yy</span></p>
dnl
dnl <h3>Table of Contents</h3><ul id="menu"><li><a href="#reductions">Reductions</a><ul class="lower-alpha"><li><a href="#nonterminals_useless_in_grammar">Nonterminals useless in grammar</a></li><li><a href="#terminals_unused_in_grammar">Terminals unused in grammar</a></li><li><a href="#rules_useless_in_grammar">Rules useless in grammar</a></li></ul></li><li><a href="#conflicts">Conflicts</a></li><li><a href="#grammar">Grammar</a><ul class="lower-alpha"><li><a href="#grammar">Itemset</a></li><li><a href="#terminals">Terminal symbols</a></li><li><a href="#nonterminals">Nonterminal symbols</a></li></ul></li><li><a href="#automaton">Automaton</a></li></ul><h2><a name="reductions" id="reductions"></a> Reductions</h2><h3><a name="nonterminals_useless_in_grammar" id="nonterminals_useless_in_grammar"></a> Nonterminals useless in grammar</h3>
dnl
dnl <h3><a name="terminals_unused_in_grammar" id="terminals_unused_in_grammar"></a> Terminals unused in grammar</h3>
dnl
dnl <h3><a name="rules_useless_in_grammar" id="rules_useless_in_grammar"></a> Rules useless in grammar</h3>
dnl <h2><a name="conflicts" id="conflicts"></a> Conflicts</h2>
dnl
dnl <h2><a name="grammar" id="grammar"></a> Grammar</h2>
dnl <p class="pre">
dnl   <a name="rule_0" id="rule_0">  0</a> <span class="i">$accept</span> → <b>YY_PARSE_unit</b> <span class="i">unit</span> <b>"end of file"</b>
dnl   <a name="rule_1" id="rule_1">  1</a>         | <b>YY_PARSE_assignments</b> <span class="i">assignments</span> <b>"end of file"</b>
dnl   <a name="rule_2" id="rule_2">  2</a>         | <b>YY_PARSE_exp</b> <span class="i">exp</span> <b>"end of file"</b>
dnl
dnl   <a name="rule_3" id="rule_3">  3</a> <span class="i">unit</span> → <span class="i">assignments</span> <span class="i">exp</span>
dnl
dnl   <a name="rule_4" id="rule_4">  4</a> <span class="i">assignments</span> → %empty
dnl   <a name="rule_5" id="rule_5">  5</a>             | <span class="i">assignments</span> <span class="i">assignment</span>
dnl
dnl   <a name="rule_6" id="rule_6">  6</a> <span class="i">assignment</span> → <span class="i">id</span> <b>":="</b> <span class="i">exp</span>
dnl
dnl   <a name="rule_7" id="rule_7">  7</a> <span class="i">id</span> → <b>"identifier"</b>
dnl
dnl   <a name="rule_8" id="rule_8">  8</a> <span class="i">@1</span> → %empty
dnl
dnl   <a name="rule_9" id="rule_9">  9</a> <span class="i">@2</span> → %empty
dnl
dnl   <a name="rule_10" id="rule_10"> 10</a> <span class="i">exp</span> → <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl   <a name="rule_11" id="rule_11"> 11</a>     | <b>"("</b> <span class="i">exp</span> <b>")"</b>
dnl   <a name="rule_12" id="rule_12"> 12</a>     | <b>"identifier"</b>
dnl   <a name="rule_13" id="rule_13"> 13</a>     | <b>"number"</b>
dnl </p>
dnl
dnl <h3><a name="terminals" id="terminals"></a> Terminals, with rules where they appear</h3>
dnl
dnl <ul>
dnl   <li><b>"end of file"</b> (0) <a href="#rule_0">0</a> <a href="#rule_1">1</a> <a href="#rule_2">2</a></li>
dnl   <li><b>error</b> (256)</li>
dnl   <li><b>":="</b> (258) <a href="#rule_6">6</a></li>
dnl   <li><b>"incr"</b> (259) <a href="#rule_10">10</a></li>
dnl   <li><b>"identifier"</b> &lt;std::string&gt; (260) <a href="#rule_7">7</a> <a href="#rule_12">12</a></li>
dnl   <li><b>"number"</b> &lt;int&gt; (261) <a href="#rule_13">13</a></li>
dnl   <li><b>YY_PARSE_unit</b> (262) <a href="#rule_0">0</a></li>
dnl   <li><b>YY_PARSE_assignments</b> (263) <a href="#rule_1">1</a></li>
dnl   <li><b>YY_PARSE_exp</b> (264) <a href="#rule_2">2</a></li>
dnl   <li><b>"("</b> (265) <a href="#rule_11">11</a></li>
dnl   <li><b>")"</b> (266) <a href="#rule_11">11</a></li>
dnl </ul>
dnl
dnl <h3><a name="nonterminals" id="nonterminals"></a> Nonterminals, with rules where they appear</h3>
dnl
dnl <ul>
dnl   <li><b>$accept</b> (12)
dnl     <ul>
dnl       <li>on left: <a href="#rule_0">0</a> <a href="#rule_1">1</a> <a href="#rule_2">2</a></li>
dnl     </ul>
dnl   </li>
dnl   <li><b>unit</b> (13)
dnl     <ul>
dnl       <li>on left: <a href="#rule_3">3</a></li>
dnl       <li>on right: <a href="#rule_0">0</a></li>
dnl     </ul>
dnl   </li>
dnl   <li><b>assignments</b> (14)
dnl     <ul>
dnl       <li>on left: <a href="#rule_4">4</a> <a href="#rule_5">5</a></li>
dnl       <li>on right: <a href="#rule_1">1</a> <a href="#rule_3">3</a> <a href="#rule_5">5</a></li>
dnl     </ul>
dnl   </li>
dnl   <li><b>assignment</b> (15)
dnl     <ul>
dnl       <li>on left: <a href="#rule_6">6</a></li>
dnl       <li>on right: <a href="#rule_5">5</a></li>
dnl     </ul>
dnl   </li>
dnl   <li><b>id</b> &lt;std::string&gt; (16)
dnl     <ul>
dnl       <li>on left: <a href="#rule_7">7</a></li>
dnl       <li>on right: <a href="#rule_6">6</a></li>
dnl     </ul>
dnl   </li>
dnl   <li><b>exp</b> &lt;int&gt; (17)
dnl     <ul>
dnl       <li>on left: <a href="#rule_10">10</a> <a href="#rule_11">11</a> <a href="#rule_12">12</a> <a href="#rule_13">13</a></li>
dnl       <li>on right: <a href="#rule_2">2</a> <a href="#rule_3">3</a> <a href="#rule_6">6</a> <a href="#rule_10">10</a> <a href="#rule_11">11</a></li>
dnl     </ul>
dnl   </li>
dnl   <li><b>@1</b> &lt;int&gt; (18)
dnl     <ul>
dnl       <li>on left: <a href="#rule_8">8</a></li>
dnl       <li>on right: <a href="#rule_10">10</a></li>
dnl     </ul>
dnl   </li>
dnl   <li><b>@2</b> &lt;int&gt; (19)
dnl     <ul>
dnl       <li>on left: <a href="#rule_9">9</a></li>
dnl       <li>on right: <a href="#rule_10">10</a></li>
dnl     </ul>
dnl   </li>
dnl </ul><h2><a name="automaton" id="automaton"></a> Automaton</h2>
dnl
dnl <h3><a name="state_0" id="state_0"></a>State 0</h3>
dnl
dnl <p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <span class="dot">•</span> <b>YY_PARSE_unit</b> <span class="i">unit</span> <b>"end of file"</b>
dnl   <a href="#rule_1">  1</a>         | <span class="dot">•</span> <b>YY_PARSE_assignments</b> <span class="i">assignments</span> <b>"end of file"</b>
dnl   <a href="#rule_2">  2</a>         | <span class="dot">•</span> <b>YY_PARSE_exp</b> <span class="i">exp</span> <b>"end of file"</b>
dnl
dnl     YY_PARSE_unit         <a href="#state_1">shift, and go to state 1</a>
dnl     YY_PARSE_assignments  <a href="#state_2">shift, and go to state 2</a>
dnl     YY_PARSE_exp          <a href="#state_3">shift, and go to state 3</a>
dnl </p>
dnl
dnl <h3><a name="state_1" id="state_1"></a>State 1</h3>
dnl
dnl <p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <b>YY_PARSE_unit</b> <span class="dot">•</span> <span class="i">unit</span> <b>"end of file"</b>
dnl   <a href="#rule_3">  3</a> <span class="i">unit</span> → <span class="dot">•</span> <span class="i">assignments</span> <span class="i">exp</span>
dnl   <a href="#rule_4">  4</a> <span class="i">assignments</span> → <span class="dot">•</span> %empty
dnl   <a href="#rule_5">  5</a>             | <span class="dot">•</span> <span class="i">assignments</span> <span class="i">assignment</span>
dnl
dnl     $default  <a href="#rule_4">reduce using rule 4</a> (assignments)
dnl
dnl     unit         <a href="#state_4">go to state 4</a>
dnl     assignments  <a href="#state_5">go to state 5</a>
dnl </p>
dnl
dnl <h3><a name="state_2" id="state_2"></a>State 2</h3>
dnl
dnl <p class="pre">  <a href="#rule_1">  1</a> <span class="i">$accept</span> → <b>YY_PARSE_assignments</b> <span class="dot">•</span> <span class="i">assignments</span> <b>"end of file"</b>
dnl   <a href="#rule_4">  4</a> <span class="i">assignments</span> → <span class="dot">•</span> %empty
dnl   <a href="#rule_5">  5</a>             | <span class="dot">•</span> <span class="i">assignments</span> <span class="i">assignment</span>
dnl
dnl     $default  <a href="#rule_4">reduce using rule 4</a> (assignments)
dnl
dnl     assignments  <a href="#state_6">go to state 6</a>
dnl </p>
dnl
dnl <h3><a name="state_3" id="state_3"></a>State 3</h3>
dnl
dnl <p class="pre">  <a href="#rule_2">  2</a> <span class="i">$accept</span> → <b>YY_PARSE_exp</b> <span class="dot">•</span> <span class="i">exp</span> <b>"end of file"</b>
dnl   <a href="#rule_10"> 10</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl   <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
dnl   <a href="#rule_12"> 12</a>     | <span class="dot">•</span> <b>"identifier"</b>
dnl   <a href="#rule_13"> 13</a>     | <span class="dot">•</span> <b>"number"</b>
dnl
dnl     "incr"        <a href="#state_7">shift, and go to state 7</a>
dnl     "identifier"  <a href="#state_8">shift, and go to state 8</a>
dnl     "number"      <a href="#state_9">shift, and go to state 9</a>
dnl     "("           <a href="#state_10">shift, and go to state 10</a>
dnl
dnl     exp  <a href="#state_11">go to state 11</a>
dnl </p>
dnl
dnl <h3><a name="state_4" id="state_4"></a>State 4</h3>
dnl
dnl <p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <b>YY_PARSE_unit</b> <span class="i">unit</span> <span class="dot">•</span> <b>"end of file"</b>
dnl
dnl     "end of file"  <a href="#state_12">shift, and go to state 12</a>
dnl </p>
dnl
dnl <h3><a name="state_5" id="state_5"></a>State 5</h3>
dnl
dnl <p class="pre">  <a href="#rule_3">  3</a> <span class="i">unit</span> → <span class="i">assignments</span> <span class="dot">•</span> <span class="i">exp</span>
dnl   <a href="#rule_5">  5</a> <span class="i">assignments</span> → <span class="i">assignments</span> <span class="dot">•</span> <span class="i">assignment</span>
dnl   <a href="#rule_6">  6</a> <span class="i">assignment</span> → <span class="dot">•</span> <span class="i">id</span> <b>":="</b> <span class="i">exp</span>
dnl   <a href="#rule_7">  7</a> <span class="i">id</span> → <span class="dot">•</span> <b>"identifier"</b>
dnl   <a href="#rule_10"> 10</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl   <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
dnl   <a href="#rule_12"> 12</a>     | <span class="dot">•</span> <b>"identifier"</b>
dnl   <a href="#rule_13"> 13</a>     | <span class="dot">•</span> <b>"number"</b>
dnl
dnl     "incr"        <a href="#state_7">shift, and go to state 7</a>
dnl     "identifier"  <a href="#state_13">shift, and go to state 13</a>
dnl     "number"      <a href="#state_9">shift, and go to state 9</a>
dnl     "("           <a href="#state_10">shift, and go to state 10</a>
dnl
dnl     assignment  <a href="#state_14">go to state 14</a>
dnl     id          <a href="#state_15">go to state 15</a>
dnl     exp         <a href="#state_16">go to state 16</a>
dnl </p>
dnl
dnl <h3><a name="state_6" id="state_6"></a>State 6</h3>
dnl
dnl <p class="pre">  <a href="#rule_1">  1</a> <span class="i">$accept</span> → <b>YY_PARSE_assignments</b> <span class="i">assignments</span> <span class="dot">•</span> <b>"end of file"</b>
dnl   <a href="#rule_5">  5</a> <span class="i">assignments</span> → <span class="i">assignments</span> <span class="dot">•</span> <span class="i">assignment</span>
dnl   <a href="#rule_6">  6</a> <span class="i">assignment</span> → <span class="dot">•</span> <span class="i">id</span> <b>":="</b> <span class="i">exp</span>
dnl   <a href="#rule_7">  7</a> <span class="i">id</span> → <span class="dot">•</span> <b>"identifier"</b>
dnl
dnl     "end of file"  <a href="#state_17">shift, and go to state 17</a>
dnl     "identifier"   <a href="#state_18">shift, and go to state 18</a>
dnl
dnl     assignment  <a href="#state_14">go to state 14</a>
dnl     id          <a href="#state_15">go to state 15</a>
dnl </p>
dnl
dnl <h3><a name="state_7" id="state_7"></a>State 7</h3>
dnl
dnl <p class="pre">  <a href="#rule_10"> 10</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl   <a href="#rule_10"> 10</a>     | <b>"incr"</b> <span class="dot">•</span> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl   <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
dnl   <a href="#rule_12"> 12</a>     | <span class="dot">•</span> <b>"identifier"</b>
dnl   <a href="#rule_13"> 13</a>     | <span class="dot">•</span> <b>"number"</b>
dnl
dnl     "incr"        <a href="#state_7">shift, and go to state 7</a>
dnl     "identifier"  <a href="#state_8">shift, and go to state 8</a>
dnl     "number"      <a href="#state_9">shift, and go to state 9</a>
dnl     "("           <a href="#state_10">shift, and go to state 10</a>
dnl
dnl     exp  <a href="#state_19">go to state 19</a>
dnl </p>
dnl
dnl <h3><a name="state_8" id="state_8"></a>State 8</h3>
dnl
dnl <p class="pre">  <a href="#rule_12"> 12</a> <span class="i">exp</span> → <b>"identifier"</b> <span class="dot">•</span>
dnl
dnl     $default  <a href="#rule_12">reduce using rule 12</a> (exp)
dnl </p>
dnl
dnl <h3><a name="state_9" id="state_9"></a>State 9</h3>
dnl
dnl <p class="pre">  <a href="#rule_13"> 13</a> <span class="i">exp</span> → <b>"number"</b> <span class="dot">•</span>
dnl
dnl     $default  <a href="#rule_13">reduce using rule 13</a> (exp)
dnl </p>
dnl
dnl <h3><a name="state_10" id="state_10"></a>State 10</h3>
dnl
dnl <p class="pre">  <a href="#rule_10"> 10</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl   <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
dnl   <a href="#rule_11"> 11</a>     | <b>"("</b> <span class="dot">•</span> <span class="i">exp</span> <b>")"</b>
dnl   <a href="#rule_12"> 12</a>     | <span class="dot">•</span> <b>"identifier"</b>
dnl   <a href="#rule_13"> 13</a>     | <span class="dot">•</span> <b>"number"</b>
dnl
dnl     "incr"        <a href="#state_7">shift, and go to state 7</a>
dnl     "identifier"  <a href="#state_8">shift, and go to state 8</a>
dnl     "number"      <a href="#state_9">shift, and go to state 9</a>
dnl     "("           <a href="#state_10">shift, and go to state 10</a>
dnl
dnl     exp  <a href="#state_20">go to state 20</a>
dnl </p>
dnl
dnl <h3><a name="state_11" id="state_11"></a>State 11</h3>
dnl
dnl <p class="pre">  <a href="#rule_2">  2</a> <span class="i">$accept</span> → <b>YY_PARSE_exp</b> <span class="i">exp</span> <span class="dot">•</span> <b>"end of file"</b>
dnl
dnl     "end of file"  <a href="#state_21">shift, and go to state 21</a>
dnl </p>
dnl
dnl <h3><a name="state_12" id="state_12"></a>State 12</h3>
dnl
dnl <p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <b>YY_PARSE_unit</b> <span class="i">unit</span> <b>"end of file"</b> <span class="dot">•</span>
dnl
dnl     $default  accept
dnl </p>
dnl
dnl <h3><a name="state_13" id="state_13"></a>State 13</h3>
dnl
dnl <p class="pre">  <a href="#rule_7">  7</a> <span class="i">id</span> → <b>"identifier"</b> <span class="dot">•</span>  [":="]
dnl   <a href="#rule_12"> 12</a> <span class="i">exp</span> → <b>"identifier"</b> <span class="dot">•</span>  ["end of file"]
dnl
dnl     "end of file"  <a href="#rule_12">reduce using rule 12</a> (exp)
dnl     $default       <a href="#rule_7">reduce using rule 7</a> (id)
dnl </p>
dnl
dnl <h3><a name="state_14" id="state_14"></a>State 14</h3>
dnl
dnl <p class="pre">  <a href="#rule_5">  5</a> <span class="i">assignments</span> → <span class="i">assignments</span> <span class="i">assignment</span> <span class="dot">•</span>
dnl
dnl     $default  <a href="#rule_5">reduce using rule 5</a> (assignments)
dnl </p>
dnl
dnl <h3><a name="state_15" id="state_15"></a>State 15</h3>
dnl
dnl <p class="pre">  <a href="#rule_6">  6</a> <span class="i">assignment</span> → <span class="i">id</span> <span class="dot">•</span> <b>":="</b> <span class="i">exp</span>
dnl
dnl     ":="  <a href="#state_22">shift, and go to state 22</a>
dnl </p>
dnl
dnl <h3><a name="state_16" id="state_16"></a>State 16</h3>
dnl
dnl <p class="pre">  <a href="#rule_3">  3</a> <span class="i">unit</span> → <span class="i">assignments</span> <span class="i">exp</span> <span class="dot">•</span>
dnl
dnl     $default  <a href="#rule_3">reduce using rule 3</a> (unit)
dnl </p>
dnl
dnl <h3><a name="state_17" id="state_17"></a>State 17</h3>
dnl
dnl <p class="pre">  <a href="#rule_1">  1</a> <span class="i">$accept</span> → <b>YY_PARSE_assignments</b> <span class="i">assignments</span> <b>"end of file"</b> <span class="dot">•</span>
dnl
dnl     $default  accept
dnl </p>
dnl
dnl <h3><a name="state_18" id="state_18"></a>State 18</h3>
dnl
dnl <p class="pre">  <a href="#rule_7">  7</a> <span class="i">id</span> → <b>"identifier"</b> <span class="dot">•</span>
dnl
dnl     $default  <a href="#rule_7">reduce using rule 7</a> (id)
dnl </p>
dnl
dnl <h3><a name="state_19" id="state_19"></a>State 19</h3>
dnl
dnl <p class="pre">  <a href="#rule_8">  8</a> <span class="i">@1</span> → <span class="dot">•</span> %empty
dnl   <a href="#rule_10"> 10</a> <span class="i">exp</span> → <b>"incr"</b> <span class="i">exp</span> <span class="dot">•</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl
dnl     $default  <a href="#rule_8">reduce using rule 8</a> (@1)
dnl
dnl     @1  <a href="#state_23">go to state 23</a>
dnl </p>
dnl
dnl <h3><a name="state_20" id="state_20"></a>State 20</h3>
dnl
dnl <p class="pre">  <a href="#rule_11"> 11</a> <span class="i">exp</span> → <b>"("</b> <span class="i">exp</span> <span class="dot">•</span> <b>")"</b>
dnl
dnl     ")"  <a href="#state_24">shift, and go to state 24</a>
dnl </p>
dnl
dnl <h3><a name="state_21" id="state_21"></a>State 21</h3>
dnl
dnl <p class="pre">  <a href="#rule_2">  2</a> <span class="i">$accept</span> → <b>YY_PARSE_exp</b> <span class="i">exp</span> <b>"end of file"</b> <span class="dot">•</span>
dnl
dnl     $default  accept
dnl </p>
dnl
dnl <h3><a name="state_22" id="state_22"></a>State 22</h3>
dnl
dnl <p class="pre">  <a href="#rule_6">  6</a> <span class="i">assignment</span> → <span class="i">id</span> <b>":="</b> <span class="dot">•</span> <span class="i">exp</span>
dnl   <a href="#rule_10"> 10</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl   <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
dnl   <a href="#rule_12"> 12</a>     | <span class="dot">•</span> <b>"identifier"</b>
dnl   <a href="#rule_13"> 13</a>     | <span class="dot">•</span> <b>"number"</b>
dnl
dnl     "incr"        <a href="#state_7">shift, and go to state 7</a>
dnl     "identifier"  <a href="#state_8">shift, and go to state 8</a>
dnl     "number"      <a href="#state_9">shift, and go to state 9</a>
dnl     "("           <a href="#state_10">shift, and go to state 10</a>
dnl
dnl     exp  <a href="#state_25">go to state 25</a>
dnl </p>
dnl
dnl <h3><a name="state_23" id="state_23"></a>State 23</h3>
dnl
dnl <p class="pre">  <a href="#rule_9">  9</a> <span class="i">@2</span> → <span class="dot">•</span> %empty
dnl   <a href="#rule_10"> 10</a> <span class="i">exp</span> → <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="dot">•</span> <span class="i">@2</span> <span class="i">exp</span>
dnl
dnl     $default  <a href="#rule_9">reduce using rule 9</a> (@2)
dnl
dnl     @2  <a href="#state_26">go to state 26</a>
dnl </p>
dnl
dnl <h3><a name="state_24" id="state_24"></a>State 24</h3>
dnl
dnl <p class="pre">  <a href="#rule_11"> 11</a> <span class="i">exp</span> → <b>"("</b> <span class="i">exp</span> <b>")"</b> <span class="dot">•</span>
dnl
dnl     $default  <a href="#rule_11">reduce using rule 11</a> (exp)
dnl </p>
dnl
dnl <h3><a name="state_25" id="state_25"></a>State 25</h3>
dnl
dnl <p class="pre">  <a href="#rule_6">  6</a> <span class="i">assignment</span> → <span class="i">id</span> <b>":="</b> <span class="i">exp</span> <span class="dot">•</span>
dnl
dnl     $default  <a href="#rule_6">reduce using rule 6</a> (assignment)
dnl </p>
dnl
dnl <h3><a name="state_26" id="state_26"></a>State 26</h3>
dnl
dnl <p class="pre">  <a href="#rule_10"> 10</a> <span class="i">exp</span> → <span class="dot">•</span> <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span>
dnl   <a href="#rule_10"> 10</a>     | <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="dot">•</span> <span class="i">exp</span>
dnl   <a href="#rule_11"> 11</a>     | <span class="dot">•</span> <b>"("</b> <span class="i">exp</span> <b>")"</b>
dnl   <a href="#rule_12"> 12</a>     | <span class="dot">•</span> <b>"identifier"</b>
dnl   <a href="#rule_13"> 13</a>     | <span class="dot">•</span> <b>"number"</b>
dnl
dnl     "incr"        <a href="#state_7">shift, and go to state 7</a>
dnl     "identifier"  <a href="#state_8">shift, and go to state 8</a>
dnl     "number"      <a href="#state_9">shift, and go to state 9</a>
dnl     "("           <a href="#state_10">shift, and go to state 10</a>
dnl
dnl     exp  <a href="#state_27">go to state 27</a>
dnl </p>
dnl
dnl <h3><a name="state_27" id="state_27"></a>State 27</h3>
dnl
dnl <p class="pre">  <a href="#rule_10"> 10</a> <span class="i">exp</span> → <b>"incr"</b> <span class="i">exp</span> <span class="i">@1</span> <span class="i">@2</span> <span class="i">exp</span> <span class="dot">•</span>
dnl
dnl     $default  <a href="#rule_10">reduce using rule 10</a> (exp)
dnl </p>
dnl
dnl <div id="footer"><hr />This document was generated using
dnl       <a href="https://www.gnu.org/software/bison/" title="GNU Bison">
dnl       GNU Bison ]AT_PACKAGE_VERSION[</a>
dnl       XML Automaton Report.<br />
dnl       Verbatim copying and distribution of this entire page is
dnl       permitted in any medium, provided this notice is preserved.</div></body>
dnl </html>
dnl ]])
dnl fi
dnl
dnl AT_BISON_OPTION_POPDEFS
dnl AT_CLEANUP


## ------------------------ ##
## Reports with conflicts.  ##
## ------------------------ ##

AT_SETUP([Reports with conflicts])

AT_KEYWORDS([cex report])

# We need UTF-8 support for correct screen-width computation of UTF-8
# characters.  Skip the test if not available.
locale=`locale -a | $EGREP '^en_US\.(UTF-8|utf8)$' | sed 1q`
AT_SKIP_IF([[test x = x"$locale"]])

AT_SKIP_IF([[test x"$XSLTPROC" = x]])

AT_BISON_OPTION_PUSHDEFS
AT_DATA([input.y],
[[%left "+"
%%
exp
: exp "⊕" exp
| exp "+" exp
| exp "+" exp
| "number"
| "Ñùṃéℝô"
]])

AT_CHECK([LC_ALL="$locale" bison -fno-caret -o input.cc -rall -Wcex --graph=input.gv --html --xml input.y], [], [],
[[input.y: warning: 3 shift/reduce conflicts [-Wconflicts-sr]
input.y: warning: 3 reduce/reduce conflicts [-Wconflicts-rr]
input.y: warning: shift/reduce conflict on token "⊕" [-Wcounterexamples]
  Example: exp "+" exp • "⊕" exp
  Shift derivation
    exp
    ↳ 2: exp "+" exp
                 ↳ 1: exp • "⊕" exp
  Reduce derivation
    exp
    ↳ 1: exp                "⊕" exp
         ↳ 2: exp "+" exp •
input.y: warning: reduce/reduce conflict on tokens $end, "+", "⊕" [-Wcounterexamples]
  Example: exp "+" exp •
  First reduce derivation
    exp
    ↳ 2: exp "+" exp •
  Second reduce derivation
    exp
    ↳ 3: exp "+" exp •
input.y: warning: shift/reduce conflict on token "⊕" [-Wcounterexamples]
  Example: exp "+" exp • "⊕" exp
  Shift derivation
    exp
    ↳ 2: exp "+" exp
                 ↳ 1: exp • "⊕" exp
  Reduce derivation
    exp
    ↳ 1: exp                "⊕" exp
         ↳ 3: exp "+" exp •
input.y: warning: shift/reduce conflict on token "⊕" [-Wcounterexamples]
  Example: exp "⊕" exp • "⊕" exp
  Shift derivation
    exp
    ↳ 1: exp "⊕" exp
                 ↳ 1: exp • "⊕" exp
  Reduce derivation
    exp
    ↳ 1: exp                "⊕" exp
         ↳ 1: exp "⊕" exp •
input.y: warning: shift/reduce conflict on token "+" [-Wcounterexamples]
  Example: exp "⊕" exp • "+" exp
  Shift derivation
    exp
    ↳ 1: exp "⊕" exp
                 ↳ 2: exp • "+" exp
  Reduce derivation
    exp
    ↳ 2: exp                "+" exp
         ↳ 1: exp "⊕" exp •
input.y: warning: shift/reduce conflict on token "+" [-Wcounterexamples]
  Example: exp "⊕" exp • "+" exp
  Shift derivation
    exp
    ↳ 1: exp "⊕" exp
                 ↳ 3: exp • "+" exp
  Reduce derivation
    exp
    ↳ 2: exp                "+" exp
         ↳ 1: exp "⊕" exp •
input.y:6.3-13: warning: rule useless in parser due to conflicts [-Wother]
]])

# Check the contents of the report.
# FIXME: Avoid trailing white spaces.
AT_CHECK([sed -e 's/ *$//' input.output], [],
[[Rules useless in parser due to conflicts

    3 exp: exp "+" exp


State 7 conflicts: 1 shift/reduce, 3 reduce/reduce
State 8 conflicts: 2 shift/reduce


Grammar

    0 $accept: exp $end

    1 exp: exp "⊕" exp
    2    | exp "+" exp
    3    | exp "+" exp
    4    | "number"
    5    | "Ñùṃéℝô"


Terminals, with rules where they appear

    $end (0) 0
    error (256)
    "+" (258) 2 3
    "⊕" (259) 1
    "number" (260) 4
    "Ñùṃéℝô" (261) 5


Nonterminals, with rules where they appear

    $accept (7)
        on left: 0
    exp (8)
        on left: 1 2 3 4 5
        on right: 0 1 2 3


State 0

    0 $accept: • exp $end
    1 exp: • exp "⊕" exp
    2    | • exp "+" exp
    3    | • exp "+" exp
    4    | • "number"
    5    | • "Ñùṃéℝô"

    "number"  shift, and go to state 1
    "Ñùṃéℝô"  shift, and go to state 2

    exp  go to state 3


State 1

    4 exp: "number" •

    $default  reduce using rule 4 (exp)


State 2

    5 exp: "Ñùṃéℝô" •

    $default  reduce using rule 5 (exp)


State 3

    0 $accept: exp • $end
    1 exp: exp • "⊕" exp
    2    | exp • "+" exp
    3    | exp • "+" exp

    $end  shift, and go to state 4
    "+"   shift, and go to state 5
    "⊕"   shift, and go to state 6


State 4

    0 $accept: exp $end •

    $default  accept


State 5

    1 exp: • exp "⊕" exp
    2    | • exp "+" exp
    2    | exp "+" • exp
    3    | • exp "+" exp
    3    | exp "+" • exp
    4    | • "number"
    5    | • "Ñùṃéℝô"

    "number"  shift, and go to state 1
    "Ñùṃéℝô"  shift, and go to state 2

    exp  go to state 7


State 6

    1 exp: • exp "⊕" exp
    1    | exp "⊕" • exp
    2    | • exp "+" exp
    3    | • exp "+" exp
    4    | • "number"
    5    | • "Ñùṃéℝô"

    "number"  shift, and go to state 1
    "Ñùṃéℝô"  shift, and go to state 2

    exp  go to state 8


State 7

    1 exp: exp • "⊕" exp
    2    | exp • "+" exp
    2    | exp "+" exp •  [$end, "+", "⊕"]
    3    | exp • "+" exp
    3    | exp "+" exp •  [$end, "+", "⊕"]

    "⊕"  shift, and go to state 6

    $end      reduce using rule 2 (exp)
    $end      [reduce using rule 3 (exp)]
    "+"       reduce using rule 2 (exp)
    "+"       [reduce using rule 3 (exp)]
    "⊕"       [reduce using rule 2 (exp)]
    "⊕"       [reduce using rule 3 (exp)]
    $default  reduce using rule 2 (exp)

    Conflict between rule 2 and token "+" resolved as reduce (%left "+").

    shift/reduce conflict on token "⊕":
        2 exp: exp "+" exp •
        1 exp: exp • "⊕" exp
      Example: exp "+" exp • "⊕" exp
      Shift derivation
        exp
        ↳ 2: exp "+" exp
                     ↳ 1: exp • "⊕" exp
      Reduce derivation
        exp
        ↳ 1: exp                "⊕" exp
             ↳ 2: exp "+" exp •

    reduce/reduce conflict on tokens $end, "+", "⊕":
        2 exp: exp "+" exp •
        3 exp: exp "+" exp •
      Example: exp "+" exp •
      First reduce derivation
        exp
        ↳ 2: exp "+" exp •
      Second reduce derivation
        exp
        ↳ 3: exp "+" exp •

    shift/reduce conflict on token "⊕":
        3 exp: exp "+" exp •
        1 exp: exp • "⊕" exp
      Example: exp "+" exp • "⊕" exp
      Shift derivation
        exp
        ↳ 2: exp "+" exp
                     ↳ 1: exp • "⊕" exp
      Reduce derivation
        exp
        ↳ 1: exp                "⊕" exp
             ↳ 3: exp "+" exp •



State 8

    1 exp: exp • "⊕" exp
    1    | exp "⊕" exp •  [$end, "+", "⊕"]
    2    | exp • "+" exp
    3    | exp • "+" exp

    "+"  shift, and go to state 5
    "⊕"  shift, and go to state 6

    "+"       [reduce using rule 1 (exp)]
    "⊕"       [reduce using rule 1 (exp)]
    $default  reduce using rule 1 (exp)

    shift/reduce conflict on token "⊕":
        1 exp: exp "⊕" exp •
        1 exp: exp • "⊕" exp
      Example: exp "⊕" exp • "⊕" exp
      Shift derivation
        exp
        ↳ 1: exp "⊕" exp
                     ↳ 1: exp • "⊕" exp
      Reduce derivation
        exp
        ↳ 1: exp                "⊕" exp
             ↳ 1: exp "⊕" exp •

    shift/reduce conflict on token "+":
        1 exp: exp "⊕" exp •
        2 exp: exp • "+" exp
      Example: exp "⊕" exp • "+" exp
      Shift derivation
        exp
        ↳ 1: exp "⊕" exp
                     ↳ 2: exp • "+" exp
      Reduce derivation
        exp
        ↳ 2: exp                "+" exp
             ↳ 1: exp "⊕" exp •

    shift/reduce conflict on token "+":
        1 exp: exp "⊕" exp •
        3 exp: exp • "+" exp
      Example: exp "⊕" exp • "+" exp
      Shift derivation
        exp
        ↳ 1: exp "⊕" exp
                     ↳ 3: exp • "+" exp
      Reduce derivation
        exp
        ↳ 2: exp                "+" exp
             ↳ 1: exp "⊕" exp •

]])




AT_CHECK([cat input.gv], [],
[[// Generated by GNU Bison ]AT_PACKAGE_VERSION[.
// Report bugs to <bug-bison@gnu.org>.
// Home page: <https://www.gnu.org/software/bison/>.

digraph "input.y"
{
  node [fontname = courier, shape = box, colorscheme = paired6]
  edge [fontname = courier]

  0 [label="State 0\n\l  0 $accept: • exp $end\l  1 exp: • exp \"⊕\" exp\l  2    | • exp \"+\" exp\l  3    | • exp \"+\" exp\l  4    | • \"number\"\l  5    | • \"Ñùṃéℝô\"\l"]
  0 -> 1 [style=solid label="\"number\""]
  0 -> 2 [style=solid label="\"Ñùṃéℝô\""]
  0 -> 3 [style=dashed label="exp"]
  1 [label="State 1\n\l  4 exp: \"number\" •\l"]
  1 -> "1R4" [style=solid]
 "1R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
  2 [label="State 2\n\l  5 exp: \"Ñùṃéℝô\" •\l"]
  2 -> "2R5" [style=solid]
 "2R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
  3 [label="State 3\n\l  0 $accept: exp • $end\l  1 exp: exp • \"⊕\" exp\l  2    | exp • \"+\" exp\l  3    | exp • \"+\" exp\l"]
  3 -> 4 [style=solid label="$end"]
  3 -> 5 [style=solid label="\"+\""]
  3 -> 6 [style=solid label="\"⊕\""]
  4 [label="State 4\n\l  0 $accept: exp $end •\l"]
  4 -> "4R0" [style=solid]
 "4R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
  5 [label="State 5\n\l  1 exp: • exp \"⊕\" exp\l  2    | • exp \"+\" exp\l  2    | exp \"+\" • exp\l  3    | • exp \"+\" exp\l  3    | exp \"+\" • exp\l  4    | • \"number\"\l  5    | • \"Ñùṃéℝô\"\l"]
  5 -> 1 [style=solid label="\"number\""]
  5 -> 2 [style=solid label="\"Ñùṃéℝô\""]
  5 -> 7 [style=dashed label="exp"]
  6 [label="State 6\n\l  1 exp: • exp \"⊕\" exp\l  1    | exp \"⊕\" • exp\l  2    | • exp \"+\" exp\l  3    | • exp \"+\" exp\l  4    | • \"number\"\l  5    | • \"Ñùṃéℝô\"\l"]
  6 -> 1 [style=solid label="\"number\""]
  6 -> 2 [style=solid label="\"Ñùṃéℝô\""]
  6 -> 8 [style=dashed label="exp"]
  7 [label="State 7\n\l  1 exp: exp • \"⊕\" exp\l  2    | exp • \"+\" exp\l  2    | exp \"+\" exp •  [$end, \"+\", \"⊕\"]\l  3    | exp • \"+\" exp\l  3    | exp \"+\" exp •  [$end, \"+\", \"⊕\"]\l"]
  7 -> 6 [style=solid label="\"⊕\""]
  7 -> "7R2d" [label="[\"⊕\"]", style=solid]
 "7R2d" [label="R2", fillcolor=5, shape=diamond, style=filled]
  7 -> "7R2" [style=solid]
 "7R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
  7 -> "7R3d" [label="[$end, \"+\", \"⊕\"]", style=solid]
 "7R3d" [label="R3", fillcolor=5, shape=diamond, style=filled]
  8 [label="State 8\n\l  1 exp: exp • \"⊕\" exp\l  1    | exp \"⊕\" exp •  [$end, \"+\", \"⊕\"]\l  2    | exp • \"+\" exp\l  3    | exp • \"+\" exp\l"]
  8 -> 5 [style=solid label="\"+\""]
  8 -> 6 [style=solid label="\"⊕\""]
  8 -> "8R1d" [label="[\"+\", \"⊕\"]", style=solid]
 "8R1d" [label="R1", fillcolor=5, shape=diamond, style=filled]
  8 -> "8R1" [style=solid]
 "8R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
}
]])


AT_CHECK([[cat input.xml]], [],
[[<?xml version="1.0"?>

<bison-xml-report version="]AT_PACKAGE_VERSION[" bug-report="bug-bison@gnu.org" url="https://www.gnu.org/software/bison/">

  <filename>input.y</filename>

  <grammar>
    <rules>
      <rule number="0" usefulness="useful">
        <lhs>$accept</lhs>
        <rhs>
          <symbol>exp</symbol>
          <symbol>$end</symbol>
        </rhs>
      </rule>
      <rule number="1" usefulness="useful">
        <lhs>exp</lhs>
        <rhs>
          <symbol>exp</symbol>
          <symbol>&quot;⊕&quot;</symbol>
          <symbol>exp</symbol>
        </rhs>
      </rule>
      <rule number="2" usefulness="useful">
        <lhs>exp</lhs>
        <rhs>
          <symbol>exp</symbol>
          <symbol>&quot;+&quot;</symbol>
          <symbol>exp</symbol>
        </rhs>
      </rule>
      <rule number="3" usefulness="useless-in-parser">
        <lhs>exp</lhs>
        <rhs>
          <symbol>exp</symbol>
          <symbol>&quot;+&quot;</symbol>
          <symbol>exp</symbol>
        </rhs>
      </rule>
      <rule number="4" usefulness="useful">
        <lhs>exp</lhs>
        <rhs>
          <symbol>&quot;number&quot;</symbol>
        </rhs>
      </rule>
      <rule number="5" usefulness="useful">
        <lhs>exp</lhs>
        <rhs>
          <symbol>&quot;Ñùṃéℝô&quot;</symbol>
        </rhs>
      </rule>
    </rules>
    <terminals>
      <terminal symbol-number="0" token-number="0" name="$end" type="" usefulness="useful"/>
      <terminal symbol-number="1" token-number="256" name="error" type="" usefulness="useful"/>
      <terminal symbol-number="3" token-number="258" name="&quot;+&quot;" type="" usefulness="useful" prec="1" assoc="left"/>
      <terminal symbol-number="4" token-number="259" name="&quot;⊕&quot;" type="" usefulness="useful"/>
      <terminal symbol-number="5" token-number="260" name="&quot;number&quot;" type="" usefulness="useful"/>
      <terminal symbol-number="6" token-number="261" name="&quot;Ñùṃéℝô&quot;" type="" usefulness="useful"/>
    </terminals>
    <nonterminals>
      <nonterminal symbol-number="7" name="$accept" type="" usefulness="useful"/>
      <nonterminal symbol-number="8" name="exp" type="" usefulness="useful"/>
    </nonterminals>
  </grammar>

  <automaton>

    <state number="0">
      <itemset>
        <item rule-number="0" dot="0"/>
        <item rule-number="1" dot="0"/>
        <item rule-number="2" dot="0"/>
        <item rule-number="3" dot="0"/>
        <item rule-number="4" dot="0"/>
        <item rule-number="5" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;number&quot;" state="1"/>
          <transition type="shift" symbol="&quot;Ñùṃéℝô&quot;" state="2"/>
          <transition type="goto" symbol="exp" state="3"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="1">
      <itemset>
        <item rule-number="4" dot="1"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="4" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="2">
      <itemset>
        <item rule-number="5" dot="1"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="5" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="3">
      <itemset>
        <item rule-number="0" dot="1"/>
        <item rule-number="1" dot="1"/>
        <item rule-number="2" dot="1"/>
        <item rule-number="3" dot="1"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="$end" state="4"/>
          <transition type="shift" symbol="&quot;+&quot;" state="5"/>
          <transition type="shift" symbol="&quot;⊕&quot;" state="6"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="4">
      <itemset>
        <item rule-number="0" dot="2"/>
      </itemset>
      <actions>
        <transitions/>
        <errors/>
        <reductions>
          <reduction symbol="$default" rule="accept" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="5">
      <itemset>
        <item rule-number="1" dot="0"/>
        <item rule-number="2" dot="0"/>
        <item rule-number="2" dot="2"/>
        <item rule-number="3" dot="0"/>
        <item rule-number="3" dot="2"/>
        <item rule-number="4" dot="0"/>
        <item rule-number="5" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;number&quot;" state="1"/>
          <transition type="shift" symbol="&quot;Ñùṃéℝô&quot;" state="2"/>
          <transition type="goto" symbol="exp" state="7"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="6">
      <itemset>
        <item rule-number="1" dot="0"/>
        <item rule-number="1" dot="2"/>
        <item rule-number="2" dot="0"/>
        <item rule-number="3" dot="0"/>
        <item rule-number="4" dot="0"/>
        <item rule-number="5" dot="0"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;number&quot;" state="1"/>
          <transition type="shift" symbol="&quot;Ñùṃéℝô&quot;" state="2"/>
          <transition type="goto" symbol="exp" state="8"/>
        </transitions>
        <errors/>
        <reductions/>
      </actions>
      <solved-conflicts/>
    </state>

    <state number="7">
      <itemset>
        <item rule-number="1" dot="1"/>
        <item rule-number="2" dot="1"/>
        <item rule-number="2" dot="3">
          <lookaheads>
            <symbol>$end</symbol>
            <symbol>&quot;+&quot;</symbol>
            <symbol>&quot;⊕&quot;</symbol>
          </lookaheads>
        </item>
        <item rule-number="3" dot="1"/>
        <item rule-number="3" dot="3">
          <lookaheads>
            <symbol>$end</symbol>
            <symbol>&quot;+&quot;</symbol>
            <symbol>&quot;⊕&quot;</symbol>
          </lookaheads>
        </item>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;⊕&quot;" state="6"/>
        </transitions>
        <errors/>
        <reductions>
          <reduction symbol="$end" rule="2" enabled="true"/>
          <reduction symbol="$end" rule="3" enabled="false"/>
          <reduction symbol="&quot;+&quot;" rule="2" enabled="true"/>
          <reduction symbol="&quot;+&quot;" rule="3" enabled="false"/>
          <reduction symbol="&quot;⊕&quot;" rule="2" enabled="false"/>
          <reduction symbol="&quot;⊕&quot;" rule="3" enabled="false"/>
          <reduction symbol="$default" rule="2" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts>
        <resolution rule="2" symbol="&quot;+&quot;" type="reduce">%left &quot;+&quot;</resolution>
      </solved-conflicts>
    </state>

    <state number="8">
      <itemset>
        <item rule-number="1" dot="1"/>
        <item rule-number="1" dot="3">
          <lookaheads>
            <symbol>$end</symbol>
            <symbol>&quot;+&quot;</symbol>
            <symbol>&quot;⊕&quot;</symbol>
          </lookaheads>
        </item>
        <item rule-number="2" dot="1"/>
        <item rule-number="3" dot="1"/>
      </itemset>
      <actions>
        <transitions>
          <transition type="shift" symbol="&quot;+&quot;" state="5"/>
          <transition type="shift" symbol="&quot;⊕&quot;" state="6"/>
        </transitions>
        <errors/>
        <reductions>
          <reduction symbol="&quot;+&quot;" rule="1" enabled="false"/>
          <reduction symbol="&quot;⊕&quot;" rule="1" enabled="false"/>
          <reduction symbol="$default" rule="1" enabled="true"/>
        </reductions>
      </actions>
      <solved-conflicts/>
    </state>
  </automaton>
</bison-xml-report>
]])


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  <body><h1>GNU Bison XML Automaton Report</h1><p>
    input grammar: <span class="i">input.y</span></p>

<h3>Table of Contents</h3><ul id="menu"><li><a href="#reductions">Reductions</a><ul class="lower-alpha"><li><a href="#nonterminals_useless_in_grammar">Nonterminals useless in grammar</a></li><li><a href="#terminals_unused_in_grammar">Terminals unused in grammar</a></li><li><a href="#rules_useless_in_grammar">Rules useless in grammar</a></li><li><a href="#rules_useless_in_parser">Rules useless in parser due to conflicts</a></li></ul></li><li><a href="#conflicts">Conflicts</a></li><li><a href="#grammar">Grammar</a><ul class="lower-alpha"><li><a href="#grammar">Itemset</a></li><li><a href="#terminals">Terminal symbols</a></li><li><a href="#nonterminals">Nonterminal symbols</a></li></ul></li><li><a href="#automaton">Automaton</a></li></ul><h2><a name="reductions" id="reductions"></a> Reductions</h2><h3><a name="nonterminals_useless_in_grammar" id="nonterminals_useless_in_grammar"></a> Nonterminals useless in grammar</h3>

<h3><a name="terminals_unused_in_grammar" id="terminals_unused_in_grammar"></a> Terminals unused in grammar</h3>

<h3><a name="rules_useless_in_grammar" id="rules_useless_in_grammar"></a> Rules useless in grammar</h3>
<h2><a name="rules_useless_in_parser" id="rules_useless_in_parser"></a> Rules useless in parser due to conflicts</h2>
<p class="pre">
  <a href="#rule_3">  3</a> <span class="i">exp</span> → <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
</p>

<h2><a name="conflicts" id="conflicts"></a> Conflicts</h2>

<p class="pre"><a href="#state_7">State 7</a> conflicts: 1 shift/reduce, 3 reduce/reduce
<a href="#state_8">State 8</a> conflicts: 2 shift/reduce


</p><h2><a name="grammar" id="grammar"></a> Grammar</h2>
<p class="pre">
  <a name="rule_0" id="rule_0">  0</a> <span class="i">$accept</span> → <span class="i">exp</span> <b>$end</b>

  <a name="rule_1" id="rule_1">  1</a> <span class="i">exp</span> → <span class="i">exp</span> <b>"⊕"</b> <span class="i">exp</span>
  <a name="rule_2" id="rule_2">  2</a>     | <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
  <a name="rule_3" id="rule_3">  3</a>     | <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
  <a name="rule_4" id="rule_4">  4</a>     | <b>"number"</b>
  <a name="rule_5" id="rule_5">  5</a>     | <b>"Ñùṃéℝô"</b>
</p>

<h3><a name="terminals" id="terminals"></a> Terminals, with rules where they appear</h3>

<ul>
  <li><b>$end</b> (0) <a href="#rule_0">0</a></li>
  <li><b>error</b> (256)</li>
  <li><b>"+"</b> (258) <a href="#rule_2">2</a> <a href="#rule_3">3</a></li>
  <li><b>"⊕"</b> (259) <a href="#rule_1">1</a></li>
  <li><b>"number"</b> (260) <a href="#rule_4">4</a></li>
  <li><b>"Ñùṃéℝô"</b> (261) <a href="#rule_5">5</a></li>
</ul>

<h3><a name="nonterminals" id="nonterminals"></a> Nonterminals, with rules where they appear</h3>

<ul>
  <li><b>$accept</b> (7)
    <ul>
      <li>on left: <a href="#rule_0">0</a></li>
    </ul>
  </li>
  <li><b>exp</b> (8)
    <ul>
      <li>on left: <a href="#rule_1">1</a> <a href="#rule_2">2</a> <a href="#rule_3">3</a> <a href="#rule_4">4</a> <a href="#rule_5">5</a></li>
      <li>on right: <a href="#rule_0">0</a> <a href="#rule_1">1</a> <a href="#rule_2">2</a> <a href="#rule_3">3</a></li>
    </ul>
  </li>
</ul><h2><a name="automaton" id="automaton"></a> Automaton</h2>

<h3><a name="state_0" id="state_0"></a>State 0</h3>

<p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <span class="dot">•</span> <span class="i">exp</span> <b>$end</b>
  <a href="#rule_1">  1</a> <span class="i">exp</span> → <span class="dot">•</span> <span class="i">exp</span> <b>"⊕"</b> <span class="i">exp</span>
  <a href="#rule_2">  2</a>     | <span class="dot">•</span> <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_3">  3</a>     | <span class="dot">•</span> <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_4">  4</a>     | <span class="dot">•</span> <b>"number"</b>
  <a href="#rule_5">  5</a>     | <span class="dot">•</span> <b>"Ñùṃéℝô"</b>

    "number"  <a href="#state_1">shift, and go to state 1</a>
    "Ñùṃéℝô"  <a href="#state_2">shift, and go to state 2</a>

    exp  <a href="#state_3">go to state 3</a>
</p>

<h3><a name="state_1" id="state_1"></a>State 1</h3>

<p class="pre">  <a href="#rule_4">  4</a> <span class="i">exp</span> → <b>"number"</b> <span class="dot">•</span>

    $default  <a href="#rule_4">reduce using rule 4</a> (exp)
</p>

<h3><a name="state_2" id="state_2"></a>State 2</h3>

<p class="pre">  <a href="#rule_5">  5</a> <span class="i">exp</span> → <b>"Ñùṃéℝô"</b> <span class="dot">•</span>

    $default  <a href="#rule_5">reduce using rule 5</a> (exp)
</p>

<h3><a name="state_3" id="state_3"></a>State 3</h3>

<p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <span class="i">exp</span> <span class="dot">•</span> <b>$end</b>
  <a href="#rule_1">  1</a> <span class="i">exp</span> → <span class="i">exp</span> <span class="dot">•</span> <b>"⊕"</b> <span class="i">exp</span>
  <a href="#rule_2">  2</a>     | <span class="i">exp</span> <span class="dot">•</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_3">  3</a>     | <span class="i">exp</span> <span class="dot">•</span> <b>"+"</b> <span class="i">exp</span>

    $end  <a href="#state_4">shift, and go to state 4</a>
    "+"   <a href="#state_5">shift, and go to state 5</a>
    "⊕"   <a href="#state_6">shift, and go to state 6</a>
</p>

<h3><a name="state_4" id="state_4"></a>State 4</h3>

<p class="pre">  <a href="#rule_0">  0</a> <span class="i">$accept</span> → <span class="i">exp</span> <b>$end</b> <span class="dot">•</span>

    $default  accept
</p>

<h3><a name="state_5" id="state_5"></a>State 5</h3>

<p class="pre">  <a href="#rule_1">  1</a> <span class="i">exp</span> → <span class="dot">•</span> <span class="i">exp</span> <b>"⊕"</b> <span class="i">exp</span>
  <a href="#rule_2">  2</a>     | <span class="dot">•</span> <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_2">  2</a>     | <span class="i">exp</span> <b>"+"</b> <span class="dot">•</span> <span class="i">exp</span>
  <a href="#rule_3">  3</a>     | <span class="dot">•</span> <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_3">  3</a>     | <span class="i">exp</span> <b>"+"</b> <span class="dot">•</span> <span class="i">exp</span>
  <a href="#rule_4">  4</a>     | <span class="dot">•</span> <b>"number"</b>
  <a href="#rule_5">  5</a>     | <span class="dot">•</span> <b>"Ñùṃéℝô"</b>

    "number"  <a href="#state_1">shift, and go to state 1</a>
    "Ñùṃéℝô"  <a href="#state_2">shift, and go to state 2</a>

    exp  <a href="#state_7">go to state 7</a>
</p>

<h3><a name="state_6" id="state_6"></a>State 6</h3>

<p class="pre">  <a href="#rule_1">  1</a> <span class="i">exp</span> → <span class="dot">•</span> <span class="i">exp</span> <b>"⊕"</b> <span class="i">exp</span>
  <a href="#rule_1">  1</a>     | <span class="i">exp</span> <b>"⊕"</b> <span class="dot">•</span> <span class="i">exp</span>
  <a href="#rule_2">  2</a>     | <span class="dot">•</span> <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_3">  3</a>     | <span class="dot">•</span> <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_4">  4</a>     | <span class="dot">•</span> <b>"number"</b>
  <a href="#rule_5">  5</a>     | <span class="dot">•</span> <b>"Ñùṃéℝô"</b>

    "number"  <a href="#state_1">shift, and go to state 1</a>
    "Ñùṃéℝô"  <a href="#state_2">shift, and go to state 2</a>

    exp  <a href="#state_8">go to state 8</a>
</p>

<h3><a name="state_7" id="state_7"></a>State 7</h3>

<p class="pre">  <a href="#rule_1">  1</a> <span class="i">exp</span> → <span class="i">exp</span> <span class="dot">•</span> <b>"⊕"</b> <span class="i">exp</span>
  <a href="#rule_2">  2</a>     | <span class="i">exp</span> <span class="dot">•</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_2">  2</a>     | <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span> <span class="dot">•</span>  [$end, "+", "⊕"]
  <a href="#rule_3">  3</a>     | <span class="i">exp</span> <span class="dot">•</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_3">  3</a>     | <span class="i">exp</span> <b>"+"</b> <span class="i">exp</span> <span class="dot">•</span>  [$end, "+", "⊕"]

    "⊕"  <a href="#state_6">shift, and go to state 6</a>

    $end      <a href="#rule_2">reduce using rule 2</a> (exp)
    $end      [<a href="#rule_3">reduce using rule 3</a> (exp)]
    "+"       <a href="#rule_2">reduce using rule 2</a> (exp)
    "+"       [<a href="#rule_3">reduce using rule 3</a> (exp)]
    "⊕"       [<a href="#rule_2">reduce using rule 2</a> (exp)]
    "⊕"       [<a href="#rule_3">reduce using rule 3</a> (exp)]
    $default  <a href="#rule_2">reduce using rule 2</a> (exp)

    Conflict between <a href="#rule_2">rule 2</a> and token "+" resolved as reduce (%left "+").
</p>

<h3><a name="state_8" id="state_8"></a>State 8</h3>

<p class="pre">  <a href="#rule_1">  1</a> <span class="i">exp</span> → <span class="i">exp</span> <span class="dot">•</span> <b>"⊕"</b> <span class="i">exp</span>
  <a href="#rule_1">  1</a>     | <span class="i">exp</span> <b>"⊕"</b> <span class="i">exp</span> <span class="dot">•</span>  [$end, "+", "⊕"]
  <a href="#rule_2">  2</a>     | <span class="i">exp</span> <span class="dot">•</span> <b>"+"</b> <span class="i">exp</span>
  <a href="#rule_3">  3</a>     | <span class="i">exp</span> <span class="dot">•</span> <b>"+"</b> <span class="i">exp</span>

    "+"  <a href="#state_5">shift, and go to state 5</a>
    "⊕"  <a href="#state_6">shift, and go to state 6</a>

    "+"       [<a href="#rule_1">reduce using rule 1</a> (exp)]
    "⊕"       [<a href="#rule_1">reduce using rule 1</a> (exp)]
    $default  <a href="#rule_1">reduce using rule 1</a> (exp)
</p>

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