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z80.peg.go
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z80.peg.go
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package zog
import (
"fmt"
"math"
"sort"
"strconv"
)
const endSymbol rune = 1114112
/* The rule types inferred from the grammar are below. */
type pegRule uint16
const (
ruleUnknown pegRule = iota
ruleProgram
ruleLine
ruleStatement
ruleDirective
ruleTitle
ruleAseg
ruleOrg
ruleDefb
ruleDefw
ruleDefs
ruleLabelDefn
ruleLabelText
rulealphaundnum
rulealphaund
rulenum
ruleComment
ruleInstruction
ruleAssignment
ruleLoad
ruleLoad8
ruleLoad16
rulePush
rulePop
ruleEx
ruleInc
ruleInc16Indexed8
ruleInc8
ruleInc16
ruleDec
ruleDec16Indexed8
ruleDec8
ruleDec16
ruleAlu16
ruleAdd16
ruleAdc16
ruleSbc16
ruleDst8
ruleSrc8
ruleLoc8
ruleCopy8
ruleILoc8
ruleReg8
ruleIReg8
ruleDst16
ruleSrc16
ruleLoc16
ruleReg16
ruleIReg16
ruleReg16Contents
rulePlainR16C
ruleIndexedR16C
rulen
rulenn
ruledisp
rulesignedDecimalByte
rulesignedHexByteH
rulesignedHexByte0x
rulehexByteH
rulehexByte0x
ruledecimalByte
ruleLabelNN
rulehexWordH
rulehexWord0x
rulehexWord
rulezeroHexWord
rulenn_contents
ruleAlu
ruleAdd
ruleAdc
ruleSub
ruleSbc
ruleAnd
ruleXor
ruleOr
ruleCp
ruleBitOp
ruleRot
ruleRlc
ruleRrc
ruleRl
ruleRr
ruleSla
ruleSra
ruleSll
ruleSrl
ruleBit
ruleRes
ruleSet
ruleSimple
ruleNop
ruleHalt
ruleRlca
ruleRrca
ruleRla
ruleRra
ruleDaa
ruleCpl
ruleScf
ruleCcf
ruleExx
ruleDi
ruleEi
ruleEDSimple
ruleNeg
ruleRetn
ruleReti
ruleRrd
ruleRld
ruleIm0
ruleIm1
ruleIm2
ruleBlit
ruleBlitIO
ruleLdi
ruleCpi
ruleIni
ruleOuti
ruleLdd
ruleCpd
ruleInd
ruleOutd
ruleLdir
ruleCpir
ruleInir
ruleOtir
ruleLddr
ruleCpdr
ruleIndr
ruleOtdr
ruleJump
ruleRst
ruleCall
ruleRet
ruleJp
ruleJr
ruleDjnz
ruleIO
ruleIN
ruleOUT
rulePort
rulesep
rulews
ruleA
ruleF
ruleB
ruleC
ruleD
ruleE
ruleH
ruleL
ruleIXH
ruleIXL
ruleIYH
ruleIYL
ruleI
ruleR
ruleAF
ruleAF_PRIME
ruleBC
ruleDE
ruleHL
ruleIX
ruleIY
ruleSP
rulehexdigit
ruleoctaldigit
rulecc
ruleFT_NZ
ruleFT_Z
ruleFT_NC
ruleFT_C
ruleFT_PO
ruleFT_PE
ruleFT_P
ruleFT_M
ruleAction0
ruleAction1
ruleAction2
ruleAction3
ruleAction4
ruleAction5
rulePegText
ruleAction6
ruleAction7
ruleAction8
ruleAction9
ruleAction10
ruleAction11
ruleAction12
ruleAction13
ruleAction14
ruleAction15
ruleAction16
ruleAction17
ruleAction18
ruleAction19
ruleAction20
ruleAction21
ruleAction22
ruleAction23
ruleAction24
ruleAction25
ruleAction26
ruleAction27
ruleAction28
ruleAction29
ruleAction30
ruleAction31
ruleAction32
ruleAction33
ruleAction34
ruleAction35
ruleAction36
ruleAction37
ruleAction38
ruleAction39
ruleAction40
ruleAction41
ruleAction42
ruleAction43
ruleAction44
ruleAction45
ruleAction46
ruleAction47
ruleAction48
ruleAction49
ruleAction50
ruleAction51
ruleAction52
ruleAction53
ruleAction54
ruleAction55
ruleAction56
ruleAction57
ruleAction58
ruleAction59
ruleAction60
ruleAction61
ruleAction62
ruleAction63
ruleAction64
ruleAction65
ruleAction66
ruleAction67
ruleAction68
ruleAction69
ruleAction70
ruleAction71
ruleAction72
ruleAction73
ruleAction74
ruleAction75
ruleAction76
ruleAction77
ruleAction78
ruleAction79
ruleAction80
ruleAction81
ruleAction82
ruleAction83
ruleAction84
ruleAction85
ruleAction86
ruleAction87
ruleAction88
ruleAction89
ruleAction90
ruleAction91
ruleAction92
ruleAction93
ruleAction94
ruleAction95
ruleAction96
ruleAction97
ruleAction98
ruleAction99
ruleAction100
ruleAction101
ruleAction102
ruleAction103
ruleAction104
ruleAction105
ruleAction106
ruleAction107
ruleAction108
ruleAction109
ruleAction110
ruleAction111
ruleAction112
ruleAction113
ruleAction114
ruleAction115
)
var rul3s = [...]string{
"Unknown",
"Program",
"Line",
"Statement",
"Directive",
"Title",
"Aseg",
"Org",
"Defb",
"Defw",
"Defs",
"LabelDefn",
"LabelText",
"alphaundnum",
"alphaund",
"num",
"Comment",
"Instruction",
"Assignment",
"Load",
"Load8",
"Load16",
"Push",
"Pop",
"Ex",
"Inc",
"Inc16Indexed8",
"Inc8",
"Inc16",
"Dec",
"Dec16Indexed8",
"Dec8",
"Dec16",
"Alu16",
"Add16",
"Adc16",
"Sbc16",
"Dst8",
"Src8",
"Loc8",
"Copy8",
"ILoc8",
"Reg8",
"IReg8",
"Dst16",
"Src16",
"Loc16",
"Reg16",
"IReg16",
"Reg16Contents",
"PlainR16C",
"IndexedR16C",
"n",
"nn",
"disp",
"signedDecimalByte",
"signedHexByteH",
"signedHexByte0x",
"hexByteH",
"hexByte0x",
"decimalByte",
"LabelNN",
"hexWordH",
"hexWord0x",
"hexWord",
"zeroHexWord",
"nn_contents",
"Alu",
"Add",
"Adc",
"Sub",
"Sbc",
"And",
"Xor",
"Or",
"Cp",
"BitOp",
"Rot",
"Rlc",
"Rrc",
"Rl",
"Rr",
"Sla",
"Sra",
"Sll",
"Srl",
"Bit",
"Res",
"Set",
"Simple",
"Nop",
"Halt",
"Rlca",
"Rrca",
"Rla",
"Rra",
"Daa",
"Cpl",
"Scf",
"Ccf",
"Exx",
"Di",
"Ei",
"EDSimple",
"Neg",
"Retn",
"Reti",
"Rrd",
"Rld",
"Im0",
"Im1",
"Im2",
"Blit",
"BlitIO",
"Ldi",
"Cpi",
"Ini",
"Outi",
"Ldd",
"Cpd",
"Ind",
"Outd",
"Ldir",
"Cpir",
"Inir",
"Otir",
"Lddr",
"Cpdr",
"Indr",
"Otdr",
"Jump",
"Rst",
"Call",
"Ret",
"Jp",
"Jr",
"Djnz",
"IO",
"IN",
"OUT",
"Port",
"sep",
"ws",
"A",
"F",
"B",
"C",
"D",
"E",
"H",
"L",
"IXH",
"IXL",
"IYH",
"IYL",
"I",
"R",
"AF",
"AF_PRIME",
"BC",
"DE",
"HL",
"IX",
"IY",
"SP",
"hexdigit",
"octaldigit",
"cc",
"FT_NZ",
"FT_Z",
"FT_NC",
"FT_C",
"FT_PO",
"FT_PE",
"FT_P",
"FT_M",
"Action0",
"Action1",
"Action2",
"Action3",
"Action4",
"Action5",
"PegText",
"Action6",
"Action7",
"Action8",
"Action9",
"Action10",
"Action11",
"Action12",
"Action13",
"Action14",
"Action15",
"Action16",
"Action17",
"Action18",
"Action19",
"Action20",
"Action21",
"Action22",
"Action23",
"Action24",
"Action25",
"Action26",
"Action27",
"Action28",
"Action29",
"Action30",
"Action31",
"Action32",
"Action33",
"Action34",
"Action35",
"Action36",
"Action37",
"Action38",
"Action39",
"Action40",
"Action41",
"Action42",
"Action43",
"Action44",
"Action45",
"Action46",
"Action47",
"Action48",
"Action49",
"Action50",
"Action51",
"Action52",
"Action53",
"Action54",
"Action55",
"Action56",
"Action57",
"Action58",
"Action59",
"Action60",
"Action61",
"Action62",
"Action63",
"Action64",
"Action65",
"Action66",
"Action67",
"Action68",
"Action69",
"Action70",
"Action71",
"Action72",
"Action73",
"Action74",
"Action75",
"Action76",
"Action77",
"Action78",
"Action79",
"Action80",
"Action81",
"Action82",
"Action83",
"Action84",
"Action85",
"Action86",
"Action87",
"Action88",
"Action89",
"Action90",
"Action91",
"Action92",
"Action93",
"Action94",
"Action95",
"Action96",
"Action97",
"Action98",
"Action99",
"Action100",
"Action101",
"Action102",
"Action103",
"Action104",
"Action105",
"Action106",
"Action107",
"Action108",
"Action109",
"Action110",
"Action111",
"Action112",
"Action113",
"Action114",
"Action115",
}
type token32 struct {
pegRule
begin, end uint32
}
func (t *token32) String() string {
return fmt.Sprintf("\x1B[34m%v\x1B[m %v %v", rul3s[t.pegRule], t.begin, t.end)
}
type node32 struct {
token32
up, next *node32
}
func (node *node32) print(pretty bool, buffer string) {
var print func(node *node32, depth int)
print = func(node *node32, depth int) {
for node != nil {
for c := 0; c < depth; c++ {
fmt.Printf(" ")
}
rule := rul3s[node.pegRule]
quote := strconv.Quote(string(([]rune(buffer)[node.begin:node.end])))
if !pretty {
fmt.Printf("%v %v\n", rule, quote)
} else {
fmt.Printf("\x1B[34m%v\x1B[m %v\n", rule, quote)
}
if node.up != nil {
print(node.up, depth+1)
}
node = node.next
}
}
print(node, 0)
}
func (node *node32) Print(buffer string) {
node.print(false, buffer)
}
func (node *node32) PrettyPrint(buffer string) {
node.print(true, buffer)
}
type tokens32 struct {
tree []token32
}
func (t *tokens32) Trim(length uint32) {
t.tree = t.tree[:length]
}
func (t *tokens32) Print() {
for _, token := range t.tree {
fmt.Println(token.String())
}
}
func (t *tokens32) AST() *node32 {
type element struct {
node *node32
down *element
}
tokens := t.Tokens()
var stack *element
for _, token := range tokens {
if token.begin == token.end {
continue
}
node := &node32{token32: token}
for stack != nil && stack.node.begin >= token.begin && stack.node.end <= token.end {
stack.node.next = node.up
node.up = stack.node
stack = stack.down
}
stack = &element{node: node, down: stack}
}
if stack != nil {
return stack.node
}
return nil
}
func (t *tokens32) PrintSyntaxTree(buffer string) {
t.AST().Print(buffer)
}
func (t *tokens32) PrettyPrintSyntaxTree(buffer string) {
t.AST().PrettyPrint(buffer)
}
func (t *tokens32) Add(rule pegRule, begin, end, index uint32) {
if tree := t.tree; int(index) >= len(tree) {
expanded := make([]token32, 2*len(tree))
copy(expanded, tree)
t.tree = expanded
}
t.tree[index] = token32{
pegRule: rule,
begin: begin,
end: end,
}
}
func (t *tokens32) Tokens() []token32 {
return t.tree
}
type PegAssembler struct {
Current
Buffer string
buffer []rune
rules [293]func() bool
parse func(rule ...int) error
reset func()
Pretty bool
tokens32
}
func (p *PegAssembler) Parse(rule ...int) error {
return p.parse(rule...)
}
func (p *PegAssembler) Reset() {
p.reset()
}
type textPosition struct {
line, symbol int
}
type textPositionMap map[int]textPosition
func translatePositions(buffer []rune, positions []int) textPositionMap {
length, translations, j, line, symbol := len(positions), make(textPositionMap, len(positions)), 0, 1, 0
sort.Ints(positions)
search:
for i, c := range buffer {
if c == '\n' {
line, symbol = line+1, 0
} else {
symbol++
}
if i == positions[j] {
translations[positions[j]] = textPosition{line, symbol}
for j++; j < length; j++ {
if i != positions[j] {
continue search
}
}
break search
}
}
return translations
}
type parseError struct {
p *PegAssembler
max token32
}
func (e *parseError) Error() string {
tokens, error := []token32{e.max}, "\n"
positions, p := make([]int, 2*len(tokens)), 0
for _, token := range tokens {
positions[p], p = int(token.begin), p+1
positions[p], p = int(token.end), p+1
}
translations := translatePositions(e.p.buffer, positions)
format := "parse error near %v (line %v symbol %v - line %v symbol %v):\n%v\n"
if e.p.Pretty {
format = "parse error near \x1B[34m%v\x1B[m (line %v symbol %v - line %v symbol %v):\n%v\n"
}
for _, token := range tokens {
begin, end := int(token.begin), int(token.end)
error += fmt.Sprintf(format,
rul3s[token.pegRule],
translations[begin].line, translations[begin].symbol,
translations[end].line, translations[end].symbol,
strconv.Quote(string(e.p.buffer[begin:end])))
}
return error
}
func (p *PegAssembler) PrintSyntaxTree() {
if p.Pretty {
p.tokens32.PrettyPrintSyntaxTree(p.Buffer)
} else {
p.tokens32.PrintSyntaxTree(p.Buffer)
}
}
func (p *PegAssembler) Execute() {
buffer, _buffer, text, begin, end := p.Buffer, p.buffer, "", 0, 0
for _, token := range p.Tokens() {
switch token.pegRule {
case rulePegText:
begin, end = int(token.begin), int(token.end)
text = string(_buffer[begin:end])
case ruleAction0:
p.Emit()
case ruleAction1:
p.Org()
case ruleAction2:
p.DefByte()
case ruleAction3:
p.DefWord()
case ruleAction4:
p.DefSpace()
case ruleAction5:
p.LabelDefn(buffer[begin:end])
case ruleAction6:
p.LD8()
case ruleAction7:
p.LD16()
case ruleAction8:
p.Push()
case ruleAction9:
p.Pop()
case ruleAction10:
p.Ex()
case ruleAction11:
p.Inc8()
case ruleAction12:
p.Inc8()
case ruleAction13:
p.Inc16()
case ruleAction14:
p.Dec8()
case ruleAction15:
p.Dec8()
case ruleAction16:
p.Dec16()
case ruleAction17:
p.Add16()
case ruleAction18:
p.Adc16()
case ruleAction19:
p.Sbc16()
case ruleAction20:
p.Dst8()
case ruleAction21:
p.Src8()
case ruleAction22:
p.Loc8()
case ruleAction23:
p.Copy8()
case ruleAction24:
p.Loc8()
case ruleAction25:
p.R8(buffer[begin:end])
case ruleAction26:
p.R8(buffer[begin:end])
case ruleAction27:
p.Dst16()
case ruleAction28:
p.Src16()
case ruleAction29:
p.Loc16()
case ruleAction30:
p.R16(buffer[begin:end])
case ruleAction31:
p.R16(buffer[begin:end])
case ruleAction32:
p.R16Contents()
case ruleAction33:
p.IR16Contents()
case ruleAction34:
p.DispDecimal(buffer[begin:end])
case ruleAction35:
p.DispHex(buffer[begin:end])
case ruleAction36:
p.Disp0xHex(buffer[begin:end])
case ruleAction37:
p.Nhex(buffer[begin:end])
case ruleAction38:
p.Nhex(buffer[begin:end])
case ruleAction39:
p.Ndec(buffer[begin:end])
case ruleAction40:
p.NNLabel(buffer[begin:end])
case ruleAction41:
p.NNhex(buffer[begin:end])
case ruleAction42:
p.NNContents()
case ruleAction43:
p.Accum("ADD")
case ruleAction44:
p.Accum("ADC")
case ruleAction45:
p.Accum("SUB")
case ruleAction46:
p.Accum("SBC")
case ruleAction47:
p.Accum("AND")
case ruleAction48:
p.Accum("XOR")
case ruleAction49:
p.Accum("OR")
case ruleAction50:
p.Accum("CP")
case ruleAction51:
p.Rot("RLC")
case ruleAction52:
p.Rot("RRC")
case ruleAction53:
p.Rot("RL")
case ruleAction54:
p.Rot("RR")
case ruleAction55:
p.Rot("SLA")
case ruleAction56:
p.Rot("SRA")
case ruleAction57:
p.Rot("SLL")
case ruleAction58:
p.Rot("SRL")
case ruleAction59:
p.Bit()
case ruleAction60:
p.Res()
case ruleAction61:
p.Set()
case ruleAction62:
p.Simple(buffer[begin:end])
case ruleAction63:
p.Simple(buffer[begin:end])
case ruleAction64:
p.Simple(buffer[begin:end])
case ruleAction65:
p.Simple(buffer[begin:end])
case ruleAction66:
p.Simple(buffer[begin:end])
case ruleAction67:
p.Simple(buffer[begin:end])
case ruleAction68:
p.Simple(buffer[begin:end])
case ruleAction69:
p.Simple(buffer[begin:end])
case ruleAction70:
p.Simple(buffer[begin:end])
case ruleAction71:
p.Simple(buffer[begin:end])
case ruleAction72:
p.Simple(buffer[begin:end])
case ruleAction73:
p.Simple(buffer[begin:end])
case ruleAction74:
p.Simple(buffer[begin:end])
case ruleAction75:
p.EDSimple(buffer[begin:end])
case ruleAction76:
p.EDSimple(buffer[begin:end])
case ruleAction77:
p.EDSimple(buffer[begin:end])
case ruleAction78:
p.EDSimple(buffer[begin:end])
case ruleAction79:
p.EDSimple(buffer[begin:end])
case ruleAction80:
p.EDSimple(buffer[begin:end])
case ruleAction81:
p.EDSimple(buffer[begin:end])
case ruleAction82:
p.EDSimple(buffer[begin:end])
case ruleAction83:
p.EDSimple(buffer[begin:end])
case ruleAction84:
p.EDSimple(buffer[begin:end])
case ruleAction85:
p.EDSimple(buffer[begin:end])
case ruleAction86:
p.EDSimple(buffer[begin:end])
case ruleAction87:
p.EDSimple(buffer[begin:end])
case ruleAction88:
p.EDSimple(buffer[begin:end])
case ruleAction89:
p.EDSimple(buffer[begin:end])
case ruleAction90:
p.EDSimple(buffer[begin:end])
case ruleAction91:
p.EDSimple(buffer[begin:end])
case ruleAction92:
p.EDSimple(buffer[begin:end])
case ruleAction93:
p.EDSimple(buffer[begin:end])