add keyword commit type

This commit is contained in:
Arpad Ryszka 2019-02-02 18:07:10 +01:00
parent 19050f317b
commit 7b2eaa5c7a
12 changed files with 473 additions and 264 deletions

View File

@ -78,6 +78,19 @@ func (p *choiceParser) parse(c *context) {
}
if match {
if p.commit&NoKeyword != 0 && c.isKeyword(from, to) {
if c.failingParser == nil &&
p.commit&userDefined != 0 &&
p.commit&Whitespace == 0 &&
p.commit&FailPass == 0 {
c.failingParser = p
}
c.fail(from)
c.results.unmarkPending(from, p.id)
return
}
if failOffset > to {
c.failOffset = failOffset
c.failingParser = failingParser

View File

@ -8,9 +8,11 @@ import (
type context struct {
reader io.RuneReader
keywords []parser
offset int
readOffset int
consumed int
offsetLimit int
failOffset int
failingParser parser
readErr error
@ -20,11 +22,13 @@ type context struct {
matchLast bool
}
func newContext(r io.RuneReader) *context {
func newContext(r io.RuneReader, keywords []parser) *context {
return &context{
reader: r,
results: &results{},
failOffset: -1,
reader: r,
keywords: keywords,
results: &results{},
offsetLimit: -1,
failOffset: -1,
}
}
@ -58,6 +62,10 @@ func (c *context) read() bool {
}
func (c *context) token() (rune, bool) {
if c.offset == c.offsetLimit {
return 0, false
}
if c.offset == c.readOffset {
if !c.read() {
return 0, false
@ -82,6 +90,21 @@ func (c *context) fromResults(p parser) bool {
return true
}
func (c *context) isKeyword(from, to int) bool {
ol := c.offsetLimit
c.offsetLimit = to
defer func() { c.offsetLimit = ol }()
for _, kw := range c.keywords {
c.offset = from
kw.parse(c)
if c.matchLast && c.offset == to {
return true
}
}
return false
}
func (c *context) success(to int) {
c.offset = to
c.matchLast = true

View File

@ -20,6 +20,10 @@ func flagsToCommitType(n []*Node) CommitType {
ct |= Whitespace
case "nows":
ct |= NoWhitespace
case "kw":
ct |= Keyword
case "nokw":
ct |= NoKeyword
case "failpass":
ct |= FailPass
case "root":

File diff suppressed because one or more lines are too long

23
keyword_test.go Normal file
View File

@ -0,0 +1,23 @@
package treerack
import "testing"
func TestKeyword(t *testing.T) {
const syntax = `
keywords:kw = "foo" | "bar";
symbol:nokw = [a-z]+;
`
runTests(t, syntax, []testItem{{
title: "keyword",
text: "foo",
fail: true,
}, {
title: "not keyword",
text: "baz",
ignorePosition: true,
node: &Node{
Name: "symbol",
},
}})
}

View File

@ -742,7 +742,7 @@ func TestCharBuildNoop(t *testing.T) {
c := newChar("foo", false, nil, nil)
c.init(newRegistry())
b := c.builder()
ctx := newContext(bufio.NewReader(bytes.NewBuffer(nil)))
ctx := newContext(bufio.NewReader(bytes.NewBuffer(nil)), nil)
if n, ok := b.build(ctx); len(n) != 0 || ok {
t.Error("char build not noop")
}

View File

@ -167,6 +167,16 @@ func (p *sequenceParser) parse(c *context) {
currentCount = 0
}
}
if p.commit&NoKeyword != 0 && c.isKeyword(from, to) {
if c.failingParser == nil && p.commit&userDefined != 0 && p.commit&Whitespace == 0 && p.commit&FailPass == 0 {
c.failingParser = p
}
c.fail(from)
if !p.allChars {
c.results.unmarkPending(from, p.id)
}
return
}
for _, g := range p.generalizations {
if c.results.pending(from, g) {
c.results.setMatch(from, g, to)
@ -328,6 +338,14 @@ func (p *choiceParser) parse(c *context) {
}
}
if match {
if p.commit&NoKeyword != 0 && c.isKeyword(from, to) {
if c.failingParser == nil && p.commit&userDefined != 0 && p.commit&Whitespace == 0 && p.commit&FailPass == 0 {
c.failingParser = p
}
c.fail(from)
c.results.unmarkPending(from, p.id)
return
}
if failOffset > to {
c.failOffset = failOffset
c.failingParser = failingParser
@ -577,9 +595,11 @@ func (r *results) unmarkPending(offset, id int) {
type context struct {
reader io.RuneReader
keywords []parser
offset int
readOffset int
consumed int
offsetLimit int
failOffset int
failingParser parser
readErr error
@ -589,8 +609,8 @@ type context struct {
matchLast bool
}
func newContext(r io.RuneReader) *context {
return &context{reader: r, results: &results{}, failOffset: -1}
func newContext(r io.RuneReader, keywords []parser) *context {
return &context{reader: r, keywords: keywords, results: &results{}, offsetLimit: -1, failOffset: -1}
}
func (c *context) read() bool {
if c.eof || c.readErr != nil {
@ -617,6 +637,9 @@ func (c *context) read() bool {
return true
}
func (c *context) token() (rune, bool) {
if c.offset == c.offsetLimit {
return 0, false
}
if c.offset == c.readOffset {
if !c.read() {
return 0, false
@ -636,6 +659,21 @@ func (c *context) fromResults(p parser) bool {
}
return true
}
func (c *context) isKeyword(from, to int) bool {
ol := c.offsetLimit
c.offsetLimit = to
defer func() {
c.offsetLimit = ol
}()
for _, kw := range c.keywords {
c.offset = from
kw.parse(c)
if c.matchLast && c.offset == to {
return true
}
}
return false
}
func (c *context) success(to int) {
c.offset = to
c.matchLast = true
@ -713,6 +751,8 @@ const (
Alias CommitType = 1 << iota
Whitespace
NoWhitespace
Keyword
NoKeyword
FailPass
Root
userDefined
@ -750,8 +790,8 @@ var ErrInvalidUnicodeCharacter = errors.New("invalid unicode character")
func (pe *ParseError) Error() string {
return fmt.Sprintf("%s:%d:%d:parse failed, parsing: %s", pe.Input, pe.Line+1, pe.Column+1, pe.Definition)
}
func parseInput(r io.Reader, p parser, b builder) (*Node, error) {
c := newContext(bufio.NewReader(r))
func parseInput(r io.Reader, p parser, b builder, kw []parser) (*Node, error) {
c := newContext(bufio.NewReader(r), kw)
p.parse(c)
if c.readErr != nil {
return nil, c.readErr
@ -769,35 +809,35 @@ func parseInput(r io.Reader, p parser, b builder) (*Node, error) {
}
func Parse(r io.Reader) (*Node, error) {
var p188 = sequenceParser{id: 188, commit: 32, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var p186 = choiceParser{id: 186, commit: 2}
var p185 = choiceParser{id: 185, commit: 70, name: "wsc", generalizations: []int{186}}
var p15 = choiceParser{id: 15, commit: 66, name: "wschar", generalizations: []int{185, 186}}
var p2 = sequenceParser{id: 2, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var p196 = sequenceParser{id: 196, commit: 128, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var p194 = choiceParser{id: 194, commit: 2}
var p193 = choiceParser{id: 193, commit: 262, name: "wsc", generalizations: []int{194}}
var p15 = choiceParser{id: 15, commit: 258, name: "wschar", generalizations: []int{193, 194}}
var p2 = sequenceParser{id: 2, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var p1 = charParser{id: 1, chars: []rune{32}}
p2.items = []parser{&p1}
var p4 = sequenceParser{id: 4, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var p4 = sequenceParser{id: 4, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var p3 = charParser{id: 3, chars: []rune{9}}
p4.items = []parser{&p3}
var p6 = sequenceParser{id: 6, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var p6 = sequenceParser{id: 6, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var p5 = charParser{id: 5, chars: []rune{10}}
p6.items = []parser{&p5}
var p8 = sequenceParser{id: 8, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var p8 = sequenceParser{id: 8, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var p7 = charParser{id: 7, chars: []rune{8}}
p8.items = []parser{&p7}
var p10 = sequenceParser{id: 10, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var p10 = sequenceParser{id: 10, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var p9 = charParser{id: 9, chars: []rune{12}}
p10.items = []parser{&p9}
var p12 = sequenceParser{id: 12, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var p12 = sequenceParser{id: 12, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var p11 = charParser{id: 11, chars: []rune{13}}
p12.items = []parser{&p11}
var p14 = sequenceParser{id: 14, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var p14 = sequenceParser{id: 14, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var p13 = charParser{id: 13, chars: []rune{11}}
p14.items = []parser{&p13}
p15.options = []parser{&p2, &p4, &p6, &p8, &p10, &p12, &p14}
var p54 = sequenceParser{id: 54, commit: 72, name: "comment", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{185, 186}}
var p37 = choiceParser{id: 37, commit: 74, name: "comment-segment"}
var p36 = sequenceParser{id: 36, commit: 74, name: "line-comment", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{37}}
var p54 = sequenceParser{id: 54, commit: 264, name: "comment", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{193, 194}}
var p37 = choiceParser{id: 37, commit: 266, name: "comment-segment"}
var p36 = sequenceParser{id: 36, commit: 266, name: "line-comment", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{37}}
var p33 = sequenceParser{id: 33, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}}
var p31 = charParser{id: 31, chars: []rune{47}}
var p32 = charParser{id: 32, chars: []rune{47}}
@ -806,7 +846,7 @@ func Parse(r io.Reader) (*Node, error) {
var p34 = charParser{id: 34, not: true, chars: []rune{10}}
p35.items = []parser{&p34}
p36.items = []parser{&p33, &p35}
var p30 = sequenceParser{id: 30, commit: 74, name: "block-comment", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{37}}
var p30 = sequenceParser{id: 30, commit: 266, name: "block-comment", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{37}}
var p18 = sequenceParser{id: 18, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}}
var p16 = charParser{id: 16, chars: []rune{47}}
var p17 = charParser{id: 17, chars: []rune{42}}
@ -831,7 +871,7 @@ func Parse(r io.Reader) (*Node, error) {
p30.items = []parser{&p18, &p26, &p29}
p37.options = []parser{&p36, &p30}
var p53 = sequenceParser{id: 53, commit: 10, ranges: [][]int{{0, -1}, {0, 1}, {0, -1}, {1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}}}
var p50 = choiceParser{id: 50, commit: 74, name: "ws-no-nl"}
var p50 = choiceParser{id: 50, commit: 266, name: "ws-no-nl"}
var p39 = sequenceParser{id: 39, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{50}}
var p38 = charParser{id: 38, chars: []rune{32}}
p39.items = []parser{&p38}
@ -856,82 +896,92 @@ func Parse(r io.Reader) (*Node, error) {
p52.items = []parser{&p51}
p53.items = []parser{&p50, &p52, &p50, &p37}
p54.items = []parser{&p37, &p53}
p185.options = []parser{&p15, &p54}
p186.options = []parser{&p185}
var p187 = sequenceParser{id: 187, commit: 66, name: "syntax:wsroot", ranges: [][]int{{0, 1}, {0, -1}, {0, 1}, {0, 1}}}
var p182 = sequenceParser{id: 182, commit: 2, ranges: [][]int{{1, 1}, {0, -1}}}
var p178 = sequenceParser{id: 178, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p177 = charParser{id: 177, chars: []rune{59}}
p178.items = []parser{&p177}
var p181 = sequenceParser{id: 181, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p181.items = []parser{&p186, &p178}
p182.items = []parser{&p178, &p181}
var p176 = sequenceParser{id: 176, commit: 66, name: "definitions", ranges: [][]int{{1, 1}, {0, 1}}}
var p169 = sequenceParser{id: 169, commit: 64, name: "definition", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}}
var p166 = sequenceParser{id: 166, commit: 74, name: "definition-name", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}}
var p92 = sequenceParser{id: 92, commit: 72, name: "symbol", ranges: [][]int{{1, -1}, {1, -1}}, generalizations: []int{133, 123, 127}}
p193.options = []parser{&p15, &p54}
p194.options = []parser{&p193}
var p195 = sequenceParser{id: 195, commit: 258, name: "syntax:wsroot", ranges: [][]int{{0, 1}, {0, -1}, {0, 1}, {0, 1}}}
var p190 = sequenceParser{id: 190, commit: 2, ranges: [][]int{{1, 1}, {0, -1}}}
var p186 = sequenceParser{id: 186, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p185 = charParser{id: 185, chars: []rune{59}}
p186.items = []parser{&p185}
var p189 = sequenceParser{id: 189, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p189.items = []parser{&p194, &p186}
p190.items = []parser{&p186, &p189}
var p184 = sequenceParser{id: 184, commit: 258, name: "definitions", ranges: [][]int{{1, 1}, {0, 1}}}
var p177 = sequenceParser{id: 177, commit: 256, name: "definition", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}}
var p174 = sequenceParser{id: 174, commit: 266, name: "definition-name", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}}
var p92 = sequenceParser{id: 92, commit: 264, name: "symbol", ranges: [][]int{{1, -1}, {1, -1}}, generalizations: []int{133, 123, 127}}
var p91 = sequenceParser{id: 91, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p90 = charParser{id: 90, not: true, chars: []rune{92, 32, 10, 9, 8, 12, 13, 11, 47, 46, 91, 93, 34, 123, 125, 94, 43, 42, 63, 124, 40, 41, 58, 61, 59}}
p91.items = []parser{&p90}
p92.items = []parser{&p91}
var p165 = sequenceParser{id: 165, commit: 10, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}}
var p164 = sequenceParser{id: 164, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p163 = charParser{id: 163, chars: []rune{58}}
p164.items = []parser{&p163}
var p162 = choiceParser{id: 162, commit: 66, name: "flag"}
var p139 = sequenceParser{id: 139, commit: 72, name: "alias", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var p173 = sequenceParser{id: 173, commit: 10, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}}
var p172 = sequenceParser{id: 172, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p171 = charParser{id: 171, chars: []rune{58}}
p172.items = []parser{&p171}
var p170 = choiceParser{id: 170, commit: 258, name: "flag"}
var p139 = sequenceParser{id: 139, commit: 264, name: "alias", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var p134 = charParser{id: 134, chars: []rune{97}}
var p135 = charParser{id: 135, chars: []rune{108}}
var p136 = charParser{id: 136, chars: []rune{105}}
var p137 = charParser{id: 137, chars: []rune{97}}
var p138 = charParser{id: 138, chars: []rune{115}}
p139.items = []parser{&p134, &p135, &p136, &p137, &p138}
var p142 = sequenceParser{id: 142, commit: 72, name: "ws", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var p142 = sequenceParser{id: 142, commit: 264, name: "ws", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var p140 = charParser{id: 140, chars: []rune{119}}
var p141 = charParser{id: 141, chars: []rune{115}}
p142.items = []parser{&p140, &p141}
var p147 = sequenceParser{id: 147, commit: 72, name: "nows", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var p147 = sequenceParser{id: 147, commit: 264, name: "nows", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var p143 = charParser{id: 143, chars: []rune{110}}
var p144 = charParser{id: 144, chars: []rune{111}}
var p145 = charParser{id: 145, chars: []rune{119}}
var p146 = charParser{id: 146, chars: []rune{115}}
p147.items = []parser{&p143, &p144, &p145, &p146}
var p156 = sequenceParser{id: 156, commit: 72, name: "failpass", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var p148 = charParser{id: 148, chars: []rune{102}}
var p149 = charParser{id: 149, chars: []rune{97}}
var p150 = charParser{id: 150, chars: []rune{105}}
var p151 = charParser{id: 151, chars: []rune{108}}
var p152 = charParser{id: 152, chars: []rune{112}}
var p153 = charParser{id: 153, chars: []rune{97}}
var p154 = charParser{id: 154, chars: []rune{115}}
var p155 = charParser{id: 155, chars: []rune{115}}
p156.items = []parser{&p148, &p149, &p150, &p151, &p152, &p153, &p154, &p155}
var p161 = sequenceParser{id: 161, commit: 72, name: "root", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var p157 = charParser{id: 157, chars: []rune{114}}
var p158 = charParser{id: 158, chars: []rune{111}}
var p159 = charParser{id: 159, chars: []rune{111}}
var p160 = charParser{id: 160, chars: []rune{116}}
p161.items = []parser{&p157, &p158, &p159, &p160}
p162.options = []parser{&p139, &p142, &p147, &p156, &p161}
p165.items = []parser{&p164, &p162}
p166.items = []parser{&p92, &p165}
var p168 = sequenceParser{id: 168, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p167 = charParser{id: 167, chars: []rune{61}}
p168.items = []parser{&p167}
var p133 = choiceParser{id: 133, commit: 66, name: "expression"}
var p89 = choiceParser{id: 89, commit: 66, name: "terminal", generalizations: []int{133, 123, 127}}
var p56 = sequenceParser{id: 56, commit: 72, name: "any-char", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var p150 = sequenceParser{id: 150, commit: 264, name: "kw", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var p148 = charParser{id: 148, chars: []rune{107}}
var p149 = charParser{id: 149, chars: []rune{119}}
p150.items = []parser{&p148, &p149}
var p155 = sequenceParser{id: 155, commit: 264, name: "nokw", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var p151 = charParser{id: 151, chars: []rune{110}}
var p152 = charParser{id: 152, chars: []rune{111}}
var p153 = charParser{id: 153, chars: []rune{107}}
var p154 = charParser{id: 154, chars: []rune{119}}
p155.items = []parser{&p151, &p152, &p153, &p154}
var p164 = sequenceParser{id: 164, commit: 264, name: "failpass", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var p156 = charParser{id: 156, chars: []rune{102}}
var p157 = charParser{id: 157, chars: []rune{97}}
var p158 = charParser{id: 158, chars: []rune{105}}
var p159 = charParser{id: 159, chars: []rune{108}}
var p160 = charParser{id: 160, chars: []rune{112}}
var p161 = charParser{id: 161, chars: []rune{97}}
var p162 = charParser{id: 162, chars: []rune{115}}
var p163 = charParser{id: 163, chars: []rune{115}}
p164.items = []parser{&p156, &p157, &p158, &p159, &p160, &p161, &p162, &p163}
var p169 = sequenceParser{id: 169, commit: 264, name: "root", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var p165 = charParser{id: 165, chars: []rune{114}}
var p166 = charParser{id: 166, chars: []rune{111}}
var p167 = charParser{id: 167, chars: []rune{111}}
var p168 = charParser{id: 168, chars: []rune{116}}
p169.items = []parser{&p165, &p166, &p167, &p168}
p170.options = []parser{&p139, &p142, &p147, &p150, &p155, &p164, &p169}
p173.items = []parser{&p172, &p170}
p174.items = []parser{&p92, &p173}
var p176 = sequenceParser{id: 176, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p175 = charParser{id: 175, chars: []rune{61}}
p176.items = []parser{&p175}
var p133 = choiceParser{id: 133, commit: 258, name: "expression"}
var p89 = choiceParser{id: 89, commit: 258, name: "terminal", generalizations: []int{133, 123, 127}}
var p56 = sequenceParser{id: 56, commit: 264, name: "any-char", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var p55 = charParser{id: 55, chars: []rune{46}}
p56.items = []parser{&p55}
var p75 = sequenceParser{id: 75, commit: 72, name: "char-class", ranges: [][]int{{1, 1}, {0, 1}, {0, -1}, {1, 1}, {1, 1}, {0, 1}, {0, -1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var p75 = sequenceParser{id: 75, commit: 264, name: "char-class", ranges: [][]int{{1, 1}, {0, 1}, {0, -1}, {1, 1}, {1, 1}, {0, 1}, {0, -1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var p71 = sequenceParser{id: 71, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p70 = charParser{id: 70, chars: []rune{91}}
p71.items = []parser{&p70}
var p58 = sequenceParser{id: 58, commit: 72, name: "class-not", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p58 = sequenceParser{id: 58, commit: 264, name: "class-not", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p57 = charParser{id: 57, chars: []rune{94}}
p58.items = []parser{&p57}
var p72 = choiceParser{id: 72, commit: 10}
var p66 = choiceParser{id: 66, commit: 72, name: "class-char", generalizations: []int{72}}
var p66 = choiceParser{id: 66, commit: 264, name: "class-char", generalizations: []int{72}}
var p60 = sequenceParser{id: 60, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{66, 72}}
var p59 = charParser{id: 59, not: true, chars: []rune{92, 91, 93, 94, 45}}
p60.items = []parser{&p59}
@ -944,7 +994,7 @@ func Parse(r io.Reader) (*Node, error) {
p64.items = []parser{&p63}
p65.items = []parser{&p62, &p64}
p66.options = []parser{&p60, &p65}
var p69 = sequenceParser{id: 69, commit: 72, name: "char-range", ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{72}}
var p69 = sequenceParser{id: 69, commit: 264, name: "char-range", ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{72}}
var p68 = sequenceParser{id: 68, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p67 = charParser{id: 67, chars: []rune{45}}
p68.items = []parser{&p67}
@ -954,11 +1004,11 @@ func Parse(r io.Reader) (*Node, error) {
var p73 = charParser{id: 73, chars: []rune{93}}
p74.items = []parser{&p73}
p75.items = []parser{&p71, &p58, &p72, &p74}
var p88 = sequenceParser{id: 88, commit: 72, name: "char-sequence", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var p88 = sequenceParser{id: 88, commit: 264, name: "char-sequence", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var p85 = sequenceParser{id: 85, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p84 = charParser{id: 84, chars: []rune{34}}
p85.items = []parser{&p84}
var p83 = choiceParser{id: 83, commit: 72, name: "sequence-char"}
var p83 = choiceParser{id: 83, commit: 264, name: "sequence-char"}
var p77 = sequenceParser{id: 77, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{83}}
var p76 = charParser{id: 76, not: true, chars: []rune{92, 34}}
p77.items = []parser{&p76}
@ -976,25 +1026,25 @@ func Parse(r io.Reader) (*Node, error) {
p87.items = []parser{&p86}
p88.items = []parser{&p85, &p83, &p87}
p89.options = []parser{&p56, &p75, &p88}
var p97 = sequenceParser{id: 97, commit: 66, name: "group", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{133, 123, 127}}
var p97 = sequenceParser{id: 97, commit: 258, name: "group", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{133, 123, 127}}
var p94 = sequenceParser{id: 94, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p93 = charParser{id: 93, chars: []rune{40}}
p94.items = []parser{&p93}
var p96 = sequenceParser{id: 96, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p95 = charParser{id: 95, chars: []rune{41}}
p96.items = []parser{&p95}
p97.items = []parser{&p94, &p186, &p133, &p186, &p96}
var p126 = sequenceParser{id: 126, commit: 64, name: "sequence", ranges: [][]int{{1, 1}, {0, -1}}, generalizations: []int{133, 127}}
var p124 = sequenceParser{id: 124, commit: 72, name: "item", ranges: [][]int{{1, 1}, {0, 1}, {1, 1}, {0, 1}}}
p97.items = []parser{&p94, &p194, &p133, &p194, &p96}
var p126 = sequenceParser{id: 126, commit: 256, name: "sequence", ranges: [][]int{{1, 1}, {0, -1}}, generalizations: []int{133, 127}}
var p124 = sequenceParser{id: 124, commit: 264, name: "item", ranges: [][]int{{1, 1}, {0, 1}, {1, 1}, {0, 1}}}
var p123 = choiceParser{id: 123, commit: 10}
p123.options = []parser{&p89, &p92, &p97}
var p122 = choiceParser{id: 122, commit: 66, name: "quantity"}
var p106 = sequenceParser{id: 106, commit: 64, name: "count-quantifier", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{122}}
var p122 = choiceParser{id: 122, commit: 258, name: "quantity"}
var p106 = sequenceParser{id: 106, commit: 256, name: "count-quantifier", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{122}}
var p103 = sequenceParser{id: 103, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p102 = charParser{id: 102, chars: []rune{123}}
p103.items = []parser{&p102}
var p101 = sequenceParser{id: 101, commit: 64, name: "count", ranges: [][]int{{1, 1}}}
var p100 = sequenceParser{id: 100, commit: 74, name: "number", ranges: [][]int{{1, -1}, {1, -1}}}
var p101 = sequenceParser{id: 101, commit: 256, name: "count", ranges: [][]int{{1, 1}}}
var p100 = sequenceParser{id: 100, commit: 266, name: "number", ranges: [][]int{{1, -1}, {1, -1}}}
var p99 = sequenceParser{id: 99, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p98 = charParser{id: 98, ranges: [][]rune{{48, 57}}}
p99.items = []parser{&p98}
@ -1003,99 +1053,99 @@ func Parse(r io.Reader) (*Node, error) {
var p105 = sequenceParser{id: 105, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p104 = charParser{id: 104, chars: []rune{125}}
p105.items = []parser{&p104}
p106.items = []parser{&p103, &p186, &p101, &p186, &p105}
var p115 = sequenceParser{id: 115, commit: 64, name: "range-quantifier", ranges: [][]int{{1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}}, generalizations: []int{122}}
p106.items = []parser{&p103, &p194, &p101, &p194, &p105}
var p115 = sequenceParser{id: 115, commit: 256, name: "range-quantifier", ranges: [][]int{{1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}}, generalizations: []int{122}}
var p110 = sequenceParser{id: 110, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p109 = charParser{id: 109, chars: []rune{123}}
p110.items = []parser{&p109}
var p107 = sequenceParser{id: 107, commit: 64, name: "range-from", ranges: [][]int{{1, 1}}}
var p107 = sequenceParser{id: 107, commit: 256, name: "range-from", ranges: [][]int{{1, 1}}}
p107.items = []parser{&p100}
var p112 = sequenceParser{id: 112, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p111 = charParser{id: 111, chars: []rune{44}}
p112.items = []parser{&p111}
var p108 = sequenceParser{id: 108, commit: 64, name: "range-to", ranges: [][]int{{1, 1}}}
var p108 = sequenceParser{id: 108, commit: 256, name: "range-to", ranges: [][]int{{1, 1}}}
p108.items = []parser{&p100}
var p114 = sequenceParser{id: 114, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p113 = charParser{id: 113, chars: []rune{125}}
p114.items = []parser{&p113}
p115.items = []parser{&p110, &p186, &p107, &p186, &p112, &p186, &p108, &p186, &p114}
var p117 = sequenceParser{id: 117, commit: 72, name: "one-or-more", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
p115.items = []parser{&p110, &p194, &p107, &p194, &p112, &p194, &p108, &p194, &p114}
var p117 = sequenceParser{id: 117, commit: 264, name: "one-or-more", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var p116 = charParser{id: 116, chars: []rune{43}}
p117.items = []parser{&p116}
var p119 = sequenceParser{id: 119, commit: 72, name: "zero-or-more", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var p119 = sequenceParser{id: 119, commit: 264, name: "zero-or-more", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var p118 = charParser{id: 118, chars: []rune{42}}
p119.items = []parser{&p118}
var p121 = sequenceParser{id: 121, commit: 72, name: "zero-or-one", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var p121 = sequenceParser{id: 121, commit: 264, name: "zero-or-one", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var p120 = charParser{id: 120, chars: []rune{63}}
p121.items = []parser{&p120}
p122.options = []parser{&p106, &p115, &p117, &p119, &p121}
p124.items = []parser{&p123, &p122}
var p125 = sequenceParser{id: 125, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p125.items = []parser{&p186, &p124}
p125.items = []parser{&p194, &p124}
p126.items = []parser{&p124, &p125}
var p132 = sequenceParser{id: 132, commit: 64, name: "choice", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{133}}
var p127 = choiceParser{id: 127, commit: 66, name: "option"}
var p132 = sequenceParser{id: 132, commit: 256, name: "choice", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{133}}
var p127 = choiceParser{id: 127, commit: 258, name: "option"}
p127.options = []parser{&p89, &p92, &p97, &p126}
var p130 = sequenceParser{id: 130, commit: 2, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}}}
var p129 = sequenceParser{id: 129, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p128 = charParser{id: 128, chars: []rune{124}}
p129.items = []parser{&p128}
p130.items = []parser{&p129, &p186, &p127}
p130.items = []parser{&p129, &p194, &p127}
var p131 = sequenceParser{id: 131, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p131.items = []parser{&p186, &p130}
p132.items = []parser{&p127, &p186, &p130, &p131}
p131.items = []parser{&p194, &p130}
p132.items = []parser{&p127, &p194, &p130, &p131}
p133.options = []parser{&p89, &p92, &p97, &p126, &p132}
p169.items = []parser{&p166, &p186, &p168, &p186, &p133}
var p175 = sequenceParser{id: 175, commit: 2, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var p173 = sequenceParser{id: 173, commit: 2, ranges: [][]int{{1, 1}, {0, -1}, {0, -1}, {1, 1}}}
var p171 = sequenceParser{id: 171, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p170 = charParser{id: 170, chars: []rune{59}}
p171.items = []parser{&p170}
var p172 = sequenceParser{id: 172, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p172.items = []parser{&p186, &p171}
p173.items = []parser{&p171, &p172, &p186, &p169}
var p174 = sequenceParser{id: 174, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p174.items = []parser{&p186, &p173}
p175.items = []parser{&p186, &p173, &p174}
p176.items = []parser{&p169, &p175}
var p184 = sequenceParser{id: 184, commit: 2, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var p180 = sequenceParser{id: 180, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p179 = charParser{id: 179, chars: []rune{59}}
p180.items = []parser{&p179}
var p183 = sequenceParser{id: 183, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p183.items = []parser{&p186, &p180}
p184.items = []parser{&p186, &p180, &p183}
p187.items = []parser{&p182, &p186, &p176, &p184}
p188.items = []parser{&p186, &p187, &p186}
var b188 = sequenceBuilder{id: 188, commit: 32, name: "syntax", ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var b186 = choiceBuilder{id: 186, commit: 2}
var b185 = choiceBuilder{id: 185, commit: 70, generalizations: []int{186}}
var b15 = choiceBuilder{id: 15, commit: 66, generalizations: []int{185, 186}}
var b2 = sequenceBuilder{id: 2, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
p177.items = []parser{&p174, &p194, &p176, &p194, &p133}
var p183 = sequenceParser{id: 183, commit: 2, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var p181 = sequenceParser{id: 181, commit: 2, ranges: [][]int{{1, 1}, {0, -1}, {0, -1}, {1, 1}}}
var p179 = sequenceParser{id: 179, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p178 = charParser{id: 178, chars: []rune{59}}
p179.items = []parser{&p178}
var p180 = sequenceParser{id: 180, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p180.items = []parser{&p194, &p179}
p181.items = []parser{&p179, &p180, &p194, &p177}
var p182 = sequenceParser{id: 182, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p182.items = []parser{&p194, &p181}
p183.items = []parser{&p194, &p181, &p182}
p184.items = []parser{&p177, &p183}
var p192 = sequenceParser{id: 192, commit: 2, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var p188 = sequenceParser{id: 188, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var p187 = charParser{id: 187, chars: []rune{59}}
p188.items = []parser{&p187}
var p191 = sequenceParser{id: 191, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
p191.items = []parser{&p194, &p188}
p192.items = []parser{&p194, &p188, &p191}
p195.items = []parser{&p190, &p194, &p184, &p192}
p196.items = []parser{&p194, &p195, &p194}
var b196 = sequenceBuilder{id: 196, commit: 128, name: "syntax", ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var b194 = choiceBuilder{id: 194, commit: 2}
var b193 = choiceBuilder{id: 193, commit: 262, generalizations: []int{194}}
var b15 = choiceBuilder{id: 15, commit: 258, generalizations: []int{193, 194}}
var b2 = sequenceBuilder{id: 2, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var b1 = charBuilder{}
b2.items = []builder{&b1}
var b4 = sequenceBuilder{id: 4, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var b4 = sequenceBuilder{id: 4, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var b3 = charBuilder{}
b4.items = []builder{&b3}
var b6 = sequenceBuilder{id: 6, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var b6 = sequenceBuilder{id: 6, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var b5 = charBuilder{}
b6.items = []builder{&b5}
var b8 = sequenceBuilder{id: 8, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var b8 = sequenceBuilder{id: 8, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var b7 = charBuilder{}
b8.items = []builder{&b7}
var b10 = sequenceBuilder{id: 10, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var b10 = sequenceBuilder{id: 10, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var b9 = charBuilder{}
b10.items = []builder{&b9}
var b12 = sequenceBuilder{id: 12, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var b12 = sequenceBuilder{id: 12, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var b11 = charBuilder{}
b12.items = []builder{&b11}
var b14 = sequenceBuilder{id: 14, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 185, 186}}
var b14 = sequenceBuilder{id: 14, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{15, 193, 194}}
var b13 = charBuilder{}
b14.items = []builder{&b13}
b15.options = []builder{&b2, &b4, &b6, &b8, &b10, &b12, &b14}
var b54 = sequenceBuilder{id: 54, commit: 72, name: "comment", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{185, 186}}
var b37 = choiceBuilder{id: 37, commit: 74}
var b36 = sequenceBuilder{id: 36, commit: 74, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{37}}
var b54 = sequenceBuilder{id: 54, commit: 264, name: "comment", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{193, 194}}
var b37 = choiceBuilder{id: 37, commit: 266}
var b36 = sequenceBuilder{id: 36, commit: 266, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{37}}
var b33 = sequenceBuilder{id: 33, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}}
var b31 = charBuilder{}
var b32 = charBuilder{}
@ -1104,7 +1154,7 @@ func Parse(r io.Reader) (*Node, error) {
var b34 = charBuilder{}
b35.items = []builder{&b34}
b36.items = []builder{&b33, &b35}
var b30 = sequenceBuilder{id: 30, commit: 74, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{37}}
var b30 = sequenceBuilder{id: 30, commit: 266, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{37}}
var b18 = sequenceBuilder{id: 18, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}}
var b16 = charBuilder{}
var b17 = charBuilder{}
@ -1129,7 +1179,7 @@ func Parse(r io.Reader) (*Node, error) {
b30.items = []builder{&b18, &b26, &b29}
b37.options = []builder{&b36, &b30}
var b53 = sequenceBuilder{id: 53, commit: 10, ranges: [][]int{{0, -1}, {0, 1}, {0, -1}, {1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}}}
var b50 = choiceBuilder{id: 50, commit: 74}
var b50 = choiceBuilder{id: 50, commit: 266}
var b39 = sequenceBuilder{id: 39, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{50}}
var b38 = charBuilder{}
b39.items = []builder{&b38}
@ -1154,82 +1204,92 @@ func Parse(r io.Reader) (*Node, error) {
b52.items = []builder{&b51}
b53.items = []builder{&b50, &b52, &b50, &b37}
b54.items = []builder{&b37, &b53}
b185.options = []builder{&b15, &b54}
b186.options = []builder{&b185}
var b187 = sequenceBuilder{id: 187, commit: 66, ranges: [][]int{{0, 1}, {0, -1}, {0, 1}, {0, 1}}}
var b182 = sequenceBuilder{id: 182, commit: 2, ranges: [][]int{{1, 1}, {0, -1}}}
var b178 = sequenceBuilder{id: 178, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b177 = charBuilder{}
b178.items = []builder{&b177}
var b181 = sequenceBuilder{id: 181, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b181.items = []builder{&b186, &b178}
b182.items = []builder{&b178, &b181}
var b176 = sequenceBuilder{id: 176, commit: 66, ranges: [][]int{{1, 1}, {0, 1}}}
var b169 = sequenceBuilder{id: 169, commit: 64, name: "definition", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}}
var b166 = sequenceBuilder{id: 166, commit: 74, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}}
var b92 = sequenceBuilder{id: 92, commit: 72, name: "symbol", ranges: [][]int{{1, -1}, {1, -1}}, generalizations: []int{133, 123, 127}}
b193.options = []builder{&b15, &b54}
b194.options = []builder{&b193}
var b195 = sequenceBuilder{id: 195, commit: 258, ranges: [][]int{{0, 1}, {0, -1}, {0, 1}, {0, 1}}}
var b190 = sequenceBuilder{id: 190, commit: 2, ranges: [][]int{{1, 1}, {0, -1}}}
var b186 = sequenceBuilder{id: 186, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b185 = charBuilder{}
b186.items = []builder{&b185}
var b189 = sequenceBuilder{id: 189, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b189.items = []builder{&b194, &b186}
b190.items = []builder{&b186, &b189}
var b184 = sequenceBuilder{id: 184, commit: 258, ranges: [][]int{{1, 1}, {0, 1}}}
var b177 = sequenceBuilder{id: 177, commit: 256, name: "definition", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}}
var b174 = sequenceBuilder{id: 174, commit: 266, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}}
var b92 = sequenceBuilder{id: 92, commit: 264, name: "symbol", ranges: [][]int{{1, -1}, {1, -1}}, generalizations: []int{133, 123, 127}}
var b91 = sequenceBuilder{id: 91, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b90 = charBuilder{}
b91.items = []builder{&b90}
b92.items = []builder{&b91}
var b165 = sequenceBuilder{id: 165, commit: 10, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}}
var b164 = sequenceBuilder{id: 164, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b163 = charBuilder{}
b164.items = []builder{&b163}
var b162 = choiceBuilder{id: 162, commit: 66}
var b139 = sequenceBuilder{id: 139, commit: 72, name: "alias", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var b173 = sequenceBuilder{id: 173, commit: 10, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}}
var b172 = sequenceBuilder{id: 172, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b171 = charBuilder{}
b172.items = []builder{&b171}
var b170 = choiceBuilder{id: 170, commit: 258}
var b139 = sequenceBuilder{id: 139, commit: 264, name: "alias", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var b134 = charBuilder{}
var b135 = charBuilder{}
var b136 = charBuilder{}
var b137 = charBuilder{}
var b138 = charBuilder{}
b139.items = []builder{&b134, &b135, &b136, &b137, &b138}
var b142 = sequenceBuilder{id: 142, commit: 72, name: "ws", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var b142 = sequenceBuilder{id: 142, commit: 264, name: "ws", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var b140 = charBuilder{}
var b141 = charBuilder{}
b142.items = []builder{&b140, &b141}
var b147 = sequenceBuilder{id: 147, commit: 72, name: "nows", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var b147 = sequenceBuilder{id: 147, commit: 264, name: "nows", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var b143 = charBuilder{}
var b144 = charBuilder{}
var b145 = charBuilder{}
var b146 = charBuilder{}
b147.items = []builder{&b143, &b144, &b145, &b146}
var b156 = sequenceBuilder{id: 156, commit: 72, name: "failpass", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
var b150 = sequenceBuilder{id: 150, commit: 264, name: "kw", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var b148 = charBuilder{}
var b149 = charBuilder{}
var b150 = charBuilder{}
b150.items = []builder{&b148, &b149}
var b155 = sequenceBuilder{id: 155, commit: 264, name: "nokw", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var b151 = charBuilder{}
var b152 = charBuilder{}
var b153 = charBuilder{}
var b154 = charBuilder{}
var b155 = charBuilder{}
b156.items = []builder{&b148, &b149, &b150, &b151, &b152, &b153, &b154, &b155}
var b161 = sequenceBuilder{id: 161, commit: 72, name: "root", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{162}}
b155.items = []builder{&b151, &b152, &b153, &b154}
var b164 = sequenceBuilder{id: 164, commit: 264, name: "failpass", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var b156 = charBuilder{}
var b157 = charBuilder{}
var b158 = charBuilder{}
var b159 = charBuilder{}
var b160 = charBuilder{}
b161.items = []builder{&b157, &b158, &b159, &b160}
b162.options = []builder{&b139, &b142, &b147, &b156, &b161}
b165.items = []builder{&b164, &b162}
b166.items = []builder{&b92, &b165}
var b168 = sequenceBuilder{id: 168, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b161 = charBuilder{}
var b162 = charBuilder{}
var b163 = charBuilder{}
b164.items = []builder{&b156, &b157, &b158, &b159, &b160, &b161, &b162, &b163}
var b169 = sequenceBuilder{id: 169, commit: 264, name: "root", allChars: true, ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{170}}
var b165 = charBuilder{}
var b166 = charBuilder{}
var b167 = charBuilder{}
b168.items = []builder{&b167}
var b133 = choiceBuilder{id: 133, commit: 66}
var b89 = choiceBuilder{id: 89, commit: 66, generalizations: []int{133, 123, 127}}
var b56 = sequenceBuilder{id: 56, commit: 72, name: "any-char", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var b168 = charBuilder{}
b169.items = []builder{&b165, &b166, &b167, &b168}
b170.options = []builder{&b139, &b142, &b147, &b150, &b155, &b164, &b169}
b173.items = []builder{&b172, &b170}
b174.items = []builder{&b92, &b173}
var b176 = sequenceBuilder{id: 176, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b175 = charBuilder{}
b176.items = []builder{&b175}
var b133 = choiceBuilder{id: 133, commit: 258}
var b89 = choiceBuilder{id: 89, commit: 258, generalizations: []int{133, 123, 127}}
var b56 = sequenceBuilder{id: 56, commit: 264, name: "any-char", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var b55 = charBuilder{}
b56.items = []builder{&b55}
var b75 = sequenceBuilder{id: 75, commit: 72, name: "char-class", ranges: [][]int{{1, 1}, {0, 1}, {0, -1}, {1, 1}, {1, 1}, {0, 1}, {0, -1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var b75 = sequenceBuilder{id: 75, commit: 264, name: "char-class", ranges: [][]int{{1, 1}, {0, 1}, {0, -1}, {1, 1}, {1, 1}, {0, 1}, {0, -1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var b71 = sequenceBuilder{id: 71, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b70 = charBuilder{}
b71.items = []builder{&b70}
var b58 = sequenceBuilder{id: 58, commit: 72, name: "class-not", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b58 = sequenceBuilder{id: 58, commit: 264, name: "class-not", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b57 = charBuilder{}
b58.items = []builder{&b57}
var b72 = choiceBuilder{id: 72, commit: 10}
var b66 = choiceBuilder{id: 66, commit: 72, name: "class-char", generalizations: []int{72}}
var b66 = choiceBuilder{id: 66, commit: 264, name: "class-char", generalizations: []int{72}}
var b60 = sequenceBuilder{id: 60, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{66, 72}}
var b59 = charBuilder{}
b60.items = []builder{&b59}
@ -1242,7 +1302,7 @@ func Parse(r io.Reader) (*Node, error) {
b64.items = []builder{&b63}
b65.items = []builder{&b62, &b64}
b66.options = []builder{&b60, &b65}
var b69 = sequenceBuilder{id: 69, commit: 72, name: "char-range", ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{72}}
var b69 = sequenceBuilder{id: 69, commit: 264, name: "char-range", ranges: [][]int{{1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}, {1, 1}}, generalizations: []int{72}}
var b68 = sequenceBuilder{id: 68, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b67 = charBuilder{}
b68.items = []builder{&b67}
@ -1252,11 +1312,11 @@ func Parse(r io.Reader) (*Node, error) {
var b73 = charBuilder{}
b74.items = []builder{&b73}
b75.items = []builder{&b71, &b58, &b72, &b74}
var b88 = sequenceBuilder{id: 88, commit: 72, name: "char-sequence", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var b88 = sequenceBuilder{id: 88, commit: 264, name: "char-sequence", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{89, 133, 123, 127}}
var b85 = sequenceBuilder{id: 85, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b84 = charBuilder{}
b85.items = []builder{&b84}
var b83 = choiceBuilder{id: 83, commit: 72, name: "sequence-char"}
var b83 = choiceBuilder{id: 83, commit: 264, name: "sequence-char"}
var b77 = sequenceBuilder{id: 77, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{83}}
var b76 = charBuilder{}
b77.items = []builder{&b76}
@ -1274,25 +1334,25 @@ func Parse(r io.Reader) (*Node, error) {
b87.items = []builder{&b86}
b88.items = []builder{&b85, &b83, &b87}
b89.options = []builder{&b56, &b75, &b88}
var b97 = sequenceBuilder{id: 97, commit: 66, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{133, 123, 127}}
var b97 = sequenceBuilder{id: 97, commit: 258, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{133, 123, 127}}
var b94 = sequenceBuilder{id: 94, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b93 = charBuilder{}
b94.items = []builder{&b93}
var b96 = sequenceBuilder{id: 96, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b95 = charBuilder{}
b96.items = []builder{&b95}
b97.items = []builder{&b94, &b186, &b133, &b186, &b96}
var b126 = sequenceBuilder{id: 126, commit: 64, name: "sequence", ranges: [][]int{{1, 1}, {0, -1}}, generalizations: []int{133, 127}}
var b124 = sequenceBuilder{id: 124, commit: 72, name: "item", ranges: [][]int{{1, 1}, {0, 1}, {1, 1}, {0, 1}}}
b97.items = []builder{&b94, &b194, &b133, &b194, &b96}
var b126 = sequenceBuilder{id: 126, commit: 256, name: "sequence", ranges: [][]int{{1, 1}, {0, -1}}, generalizations: []int{133, 127}}
var b124 = sequenceBuilder{id: 124, commit: 264, name: "item", ranges: [][]int{{1, 1}, {0, 1}, {1, 1}, {0, 1}}}
var b123 = choiceBuilder{id: 123, commit: 10}
b123.options = []builder{&b89, &b92, &b97}
var b122 = choiceBuilder{id: 122, commit: 66}
var b106 = sequenceBuilder{id: 106, commit: 64, name: "count-quantifier", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{122}}
var b122 = choiceBuilder{id: 122, commit: 258}
var b106 = sequenceBuilder{id: 106, commit: 256, name: "count-quantifier", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}, {1, 1}}, generalizations: []int{122}}
var b103 = sequenceBuilder{id: 103, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b102 = charBuilder{}
b103.items = []builder{&b102}
var b101 = sequenceBuilder{id: 101, commit: 64, name: "count", ranges: [][]int{{1, 1}}}
var b100 = sequenceBuilder{id: 100, commit: 74, ranges: [][]int{{1, -1}, {1, -1}}}
var b101 = sequenceBuilder{id: 101, commit: 256, name: "count", ranges: [][]int{{1, 1}}}
var b100 = sequenceBuilder{id: 100, commit: 266, ranges: [][]int{{1, -1}, {1, -1}}}
var b99 = sequenceBuilder{id: 99, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b98 = charBuilder{}
b99.items = []builder{&b98}
@ -1301,70 +1361,72 @@ func Parse(r io.Reader) (*Node, error) {
var b105 = sequenceBuilder{id: 105, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b104 = charBuilder{}
b105.items = []builder{&b104}
b106.items = []builder{&b103, &b186, &b101, &b186, &b105}
var b115 = sequenceBuilder{id: 115, commit: 64, name: "range-quantifier", ranges: [][]int{{1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}}, generalizations: []int{122}}
b106.items = []builder{&b103, &b194, &b101, &b194, &b105}
var b115 = sequenceBuilder{id: 115, commit: 256, name: "range-quantifier", ranges: [][]int{{1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}, {0, -1}, {0, 1}, {0, -1}, {1, 1}}, generalizations: []int{122}}
var b110 = sequenceBuilder{id: 110, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b109 = charBuilder{}
b110.items = []builder{&b109}
var b107 = sequenceBuilder{id: 107, commit: 64, name: "range-from", ranges: [][]int{{1, 1}}}
var b107 = sequenceBuilder{id: 107, commit: 256, name: "range-from", ranges: [][]int{{1, 1}}}
b107.items = []builder{&b100}
var b112 = sequenceBuilder{id: 112, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b111 = charBuilder{}
b112.items = []builder{&b111}
var b108 = sequenceBuilder{id: 108, commit: 64, name: "range-to", ranges: [][]int{{1, 1}}}
var b108 = sequenceBuilder{id: 108, commit: 256, name: "range-to", ranges: [][]int{{1, 1}}}
b108.items = []builder{&b100}
var b114 = sequenceBuilder{id: 114, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b113 = charBuilder{}
b114.items = []builder{&b113}
b115.items = []builder{&b110, &b186, &b107, &b186, &b112, &b186, &b108, &b186, &b114}
var b117 = sequenceBuilder{id: 117, commit: 72, name: "one-or-more", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
b115.items = []builder{&b110, &b194, &b107, &b194, &b112, &b194, &b108, &b194, &b114}
var b117 = sequenceBuilder{id: 117, commit: 264, name: "one-or-more", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var b116 = charBuilder{}
b117.items = []builder{&b116}
var b119 = sequenceBuilder{id: 119, commit: 72, name: "zero-or-more", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var b119 = sequenceBuilder{id: 119, commit: 264, name: "zero-or-more", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var b118 = charBuilder{}
b119.items = []builder{&b118}
var b121 = sequenceBuilder{id: 121, commit: 72, name: "zero-or-one", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var b121 = sequenceBuilder{id: 121, commit: 264, name: "zero-or-one", allChars: true, ranges: [][]int{{1, 1}, {1, 1}}, generalizations: []int{122}}
var b120 = charBuilder{}
b121.items = []builder{&b120}
b122.options = []builder{&b106, &b115, &b117, &b119, &b121}
b124.items = []builder{&b123, &b122}
var b125 = sequenceBuilder{id: 125, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b125.items = []builder{&b186, &b124}
b125.items = []builder{&b194, &b124}
b126.items = []builder{&b124, &b125}
var b132 = sequenceBuilder{id: 132, commit: 64, name: "choice", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{133}}
var b127 = choiceBuilder{id: 127, commit: 66}
var b132 = sequenceBuilder{id: 132, commit: 256, name: "choice", ranges: [][]int{{1, 1}, {0, -1}, {1, 1}, {0, -1}}, generalizations: []int{133}}
var b127 = choiceBuilder{id: 127, commit: 258}
b127.options = []builder{&b89, &b92, &b97, &b126}
var b130 = sequenceBuilder{id: 130, commit: 2, ranges: [][]int{{1, 1}, {0, -1}, {1, 1}}}
var b129 = sequenceBuilder{id: 129, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b128 = charBuilder{}
b129.items = []builder{&b128}
b130.items = []builder{&b129, &b186, &b127}
b130.items = []builder{&b129, &b194, &b127}
var b131 = sequenceBuilder{id: 131, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b131.items = []builder{&b186, &b130}
b132.items = []builder{&b127, &b186, &b130, &b131}
b131.items = []builder{&b194, &b130}
b132.items = []builder{&b127, &b194, &b130, &b131}
b133.options = []builder{&b89, &b92, &b97, &b126, &b132}
b169.items = []builder{&b166, &b186, &b168, &b186, &b133}
var b175 = sequenceBuilder{id: 175, commit: 2, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var b173 = sequenceBuilder{id: 173, commit: 2, ranges: [][]int{{1, 1}, {0, -1}, {0, -1}, {1, 1}}}
var b171 = sequenceBuilder{id: 171, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b170 = charBuilder{}
b171.items = []builder{&b170}
var b172 = sequenceBuilder{id: 172, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b172.items = []builder{&b186, &b171}
b173.items = []builder{&b171, &b172, &b186, &b169}
var b174 = sequenceBuilder{id: 174, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b174.items = []builder{&b186, &b173}
b175.items = []builder{&b186, &b173, &b174}
b176.items = []builder{&b169, &b175}
var b184 = sequenceBuilder{id: 184, commit: 2, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var b180 = sequenceBuilder{id: 180, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b179 = charBuilder{}
b180.items = []builder{&b179}
var b183 = sequenceBuilder{id: 183, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b183.items = []builder{&b186, &b180}
b184.items = []builder{&b186, &b180, &b183}
b187.items = []builder{&b182, &b186, &b176, &b184}
b188.items = []builder{&b186, &b187, &b186}
b177.items = []builder{&b174, &b194, &b176, &b194, &b133}
var b183 = sequenceBuilder{id: 183, commit: 2, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var b181 = sequenceBuilder{id: 181, commit: 2, ranges: [][]int{{1, 1}, {0, -1}, {0, -1}, {1, 1}}}
var b179 = sequenceBuilder{id: 179, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b178 = charBuilder{}
b179.items = []builder{&b178}
var b180 = sequenceBuilder{id: 180, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b180.items = []builder{&b194, &b179}
b181.items = []builder{&b179, &b180, &b194, &b177}
var b182 = sequenceBuilder{id: 182, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b182.items = []builder{&b194, &b181}
b183.items = []builder{&b194, &b181, &b182}
b184.items = []builder{&b177, &b183}
var b192 = sequenceBuilder{id: 192, commit: 2, ranges: [][]int{{0, -1}, {1, 1}, {0, -1}}}
var b188 = sequenceBuilder{id: 188, commit: 10, allChars: true, ranges: [][]int{{1, 1}, {1, 1}}}
var b187 = charBuilder{}
b188.items = []builder{&b187}
var b191 = sequenceBuilder{id: 191, commit: 2, ranges: [][]int{{0, -1}, {1, 1}}}
b191.items = []builder{&b194, &b188}
b192.items = []builder{&b194, &b188, &b191}
b195.items = []builder{&b190, &b194, &b184, &b192}
b196.items = []builder{&b194, &b195, &b194}
return parseInput(r, &p188, &b188)
var keywords = []parser{}
return parseInput(r, &p196, &b196, keywords)
}

View File

@ -94,6 +94,22 @@ func (p *sequenceParser) parse(c *context) {
}
}
if p.commit&NoKeyword != 0 && c.isKeyword(from, to) {
if c.failingParser == nil &&
p.commit&userDefined != 0 &&
p.commit&Whitespace == 0 &&
p.commit&FailPass == 0 {
c.failingParser = p
}
c.fail(from)
if !p.allChars {
c.results.unmarkPending(from, p.id)
}
return
}
for _, g := range p.generalizations {
if c.results.pending(from, g) {
c.results.setMatch(from, g, to)

120
syntax.go
View File

@ -21,9 +21,8 @@ type Syntax struct {
initialized bool
initFailed bool
explicitRoot bool
keywords []definition
root definition
parser parser
builder builder
}
type GeneratorOptions struct {
@ -57,13 +56,33 @@ var (
ErrInitFailed = errors.New("init failed")
ErrNoParsersDefined = errors.New("no parsers defined")
ErrInvalidEscapeCharacter = errors.New("invalid escape character")
ErrRootAlias = errors.New("root node cannot be an alias")
ErrRootWhitespace = errors.New("root node cannot be a whitespace")
ErrRootFailPass = errors.New("root node cannot pass failing definition")
ErrMultipleRoots = errors.New("multiple roots")
ErrInvalidSymbolName = errors.New("invalid symbol name")
)
func (ct CommitType) String() string {
switch ct {
case None:
return "none"
case Alias:
return "alias"
case Whitespace:
return "whitespace"
case NoWhitespace:
return "no-whitespace"
case Keyword:
return "keyword"
case NoKeyword:
return "no-keyword"
case FailPass:
return "fail-pass"
case Root:
return "root"
default:
return "unknown"
}
}
func duplicateDefinition(name string) error {
return fmt.Errorf("duplicate definition: %s", name)
}
@ -100,6 +119,36 @@ func intsContain(is []int, i int) bool {
return false
}
var incompatibleCommitTypes = map[CommitType][]CommitType{
Alias: {Root},
Whitespace: {Keyword, NoKeyword, FailPass, Root},
Keyword: {NoKeyword, Root},
FailPass: {Root},
}
func (s *Syntax) checkCommitType(d definition) error {
for ct, ict := range incompatibleCommitTypes {
if d.commitType()&ct == 0 {
continue
}
for _, cti := range ict {
if d.commitType()&cti == 0 {
continue
}
return fmt.Errorf(
"incompatible commit types in %s: %v and %v",
d.nodeName(),
ct,
cti,
)
}
}
return nil
}
func (s *Syntax) applyRoot(d definition) error {
explicitRoot := d.commitType()&Root != 0
if explicitRoot && s.explicitRoot {
@ -131,10 +180,18 @@ func (s *Syntax) register(d definition) error {
s.registry = newRegistry()
}
if err := s.checkCommitType(d); err != nil {
return err
}
if err := s.applyRoot(d); err != nil {
return err
}
if d.commitType()&Keyword != 0 {
s.keywords = append(s.keywords, d)
}
return s.registry.setDefinition(d)
}
@ -252,20 +309,12 @@ func (s *Syntax) Init() error {
return ErrNoParsersDefined
}
if s.root.commitType()&Alias != 0 {
return ErrRootAlias
}
if s.root.commitType()&Whitespace != 0 {
return ErrRootWhitespace
}
if s.root.commitType()&FailPass != 0 {
return ErrRootFailPass
if err := s.checkCommitType(s.root); err != nil {
return err
}
defs := s.registry.definitions
for i := range s.registry.definitions {
for i := range defs {
defs[i].preinit()
}
@ -274,15 +323,23 @@ func (s *Syntax) Init() error {
s.registry = newRegistry(defs...)
}
for i := range s.keywords {
if err := s.keywords[i].validate(s.registry); err != nil {
s.initFailed = true
return err
}
}
if err := s.root.validate(s.registry); err != nil {
s.initFailed = true
return err
}
s.root.init(s.registry)
s.parser = s.root.parser()
s.builder = s.root.builder()
for i := range s.keywords {
s.keywords[i].init(s.registry)
}
s.root.init(s.registry)
s.initialized = true
return nil
}
@ -339,18 +396,26 @@ func (s *Syntax) Generate(o GeneratorOptions, w io.Writer) error {
fprintln()
done := make(map[string]bool)
if err := s.parser.(generator).generate(w, done); err != nil {
if err := s.root.parser().(generator).generate(w, done); err != nil {
return err
}
done = make(map[string]bool)
if err := s.builder.(generator).generate(w, done); err != nil {
if err := s.root.builder().(generator).generate(w, done); err != nil {
return err
}
fprintln()
fprintln()
fprintf(`return parseInput(r, &p%d, &b%d)`, s.parser.nodeID(), s.builder.nodeID())
fprint(`var keywords = []parser{`)
for i := range s.keywords {
fprintf(`&p%d, `, s.keywords[i].nodeID())
}
fprint(`}`)
fprintln()
fprintln()
fprintf(`return parseInput(r, &p%d, &b%d, keywords)`, s.root.parser().nodeID(), s.root.builder().nodeID())
fprintln()
fprint(`}`)
fprintln()
@ -358,10 +423,19 @@ func (s *Syntax) Generate(o GeneratorOptions, w io.Writer) error {
return nil
}
func (s *Syntax) keywordParsers() []parser {
var p []parser
for _, kw := range s.keywords {
p = append(p, kw.parser())
}
return p
}
func (s *Syntax) Parse(r io.Reader) (*Node, error) {
if err := s.Init(); err != nil {
return nil, err
}
return parseInput(r, s.parser, s.builder)
return parseInput(r, s.root.parser(), s.root.builder(), s.keywordParsers())
}

View File

@ -59,9 +59,11 @@ expression:alias = terminal
alias = "alias";
ws = "ws";
nows = "nows";
kw = "kw";
nokw = "nokw";
failpass = "failpass";
root = "root";
flag:alias = alias | ws | nows | failpass | root;
flag:alias = alias | ws | nows | kw | nokw | failpass | root;
definition-name:alias:nows = symbol (":" flag)*;
definition = definition-name "=" expression;

View File

@ -137,24 +137,14 @@ func TestInit(t *testing.T) {
t.Run("root is an alias", func(t *testing.T) {
s := &Syntax{}
if err := s.AnyChar("a", Root|Alias); err != nil {
t.Error(err)
return
}
if err := s.Init(); err == nil {
if err := s.AnyChar("a", Root|Alias); err == nil {
t.Error("failed to fail")
}
})
t.Run("root is whitespace", func(t *testing.T) {
s := &Syntax{}
if err := s.AnyChar("a", Root|Whitespace); err != nil {
t.Error(err)
return
}
if err := s.Init(); err == nil {
if err := s.AnyChar("a", Root|Whitespace); err == nil {
t.Error("failed to fail")
}
})

View File

@ -14,6 +14,8 @@ const (
Alias CommitType = 1 << iota
Whitespace
NoWhitespace
Keyword
NoKeyword
FailPass
Root
@ -80,8 +82,8 @@ func (pe *ParseError) Error() string {
)
}
func parseInput(r io.Reader, p parser, b builder) (*Node, error) {
c := newContext(bufio.NewReader(r))
func parseInput(r io.Reader, p parser, b builder, kw []parser) (*Node, error) {
c := newContext(bufio.NewReader(r), kw)
p.parse(c)
if c.readErr != nil {
return nil, c.readErr