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path: root/src/cmd/goyacc/goyacc.go
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Diffstat (limited to 'src/cmd/goyacc/goyacc.go')
-rw-r--r--src/cmd/goyacc/goyacc.go122
1 files changed, 61 insertions, 61 deletions
diff --git a/src/cmd/goyacc/goyacc.go b/src/cmd/goyacc/goyacc.go
index 32816b700..220c99492 100644
--- a/src/cmd/goyacc/goyacc.go
+++ b/src/cmd/goyacc/goyacc.go
@@ -382,7 +382,7 @@ outer:
for {
switch t {
default:
- error("syntax error tok=%v", t-PRIVATE)
+ errorf("syntax error tok=%v", t-PRIVATE)
case MARK, ENDFILE:
break outer
@@ -392,14 +392,14 @@ outer:
case START:
t = gettok()
if t != IDENTIFIER {
- error("bad %%start construction")
+ errorf("bad %%start construction")
}
start = chfind(1, tokname)
case TYPEDEF:
t = gettok()
if t != TYPENAME {
- error("bad syntax in %%type")
+ errorf("bad syntax in %%type")
}
ty = numbval
for {
@@ -410,7 +410,7 @@ outer:
if t < NTBASE {
j = TYPE(toklev[t])
if j != 0 && j != ty {
- error("type redeclaration of token ",
+ errorf("type redeclaration of token ",
tokset[t].name)
} else {
toklev[t] = SETTYPE(toklev[t], ty)
@@ -418,7 +418,7 @@ outer:
} else {
j = nontrst[t-NTBASE].value
if j != 0 && j != ty {
- error("type redeclaration of nonterminal %v",
+ errorf("type redeclaration of nonterminal %v",
nontrst[t-NTBASE].name)
} else {
nontrst[t-NTBASE].value = ty
@@ -464,18 +464,18 @@ outer:
case IDENTIFIER:
j = chfind(0, tokname)
if j >= NTBASE {
- error("%v defined earlier as nonterminal", tokname)
+ errorf("%v defined earlier as nonterminal", tokname)
}
if lev != 0 {
if ASSOC(toklev[j]) != 0 {
- error("redeclaration of precedence of %v", tokname)
+ errorf("redeclaration of precedence of %v", tokname)
}
toklev[j] = SETASC(toklev[j], lev)
toklev[j] = SETPLEV(toklev[j], i)
}
if ty != 0 {
if TYPE(toklev[j]) != 0 {
- error("redeclaration of type of %v", tokname)
+ errorf("redeclaration of type of %v", tokname)
}
toklev[j] = SETTYPE(toklev[j], ty)
}
@@ -498,7 +498,7 @@ outer:
}
if t == ENDFILE {
- error("unexpected EOF before %%")
+ errorf("unexpected EOF before %%")
}
// put out non-literal terminals
@@ -533,7 +533,7 @@ outer:
curprod := make([]int, RULEINC)
t = gettok()
if t != IDENTCOLON {
- error("bad syntax on first rule")
+ errorf("bad syntax on first rule")
}
if start == 0 {
@@ -557,11 +557,11 @@ outer:
} else if t == IDENTCOLON {
curprod[mem] = chfind(1, tokname)
if curprod[mem] < NTBASE {
- error("token illegal on LHS of grammar rule")
+ errorf("token illegal on LHS of grammar rule")
}
mem++
} else {
- error("illegal rule: missing semicolon or | ?")
+ errorf("illegal rule: missing semicolon or | ?")
}
// read rule body
@@ -582,11 +582,11 @@ outer:
}
if t == PREC {
if gettok() != IDENTIFIER {
- error("illegal %%prec syntax")
+ errorf("illegal %%prec syntax")
}
j = chfind(2, tokname)
if j >= NTBASE {
- error("nonterminal " + nontrst[j-NTBASE].name + " illegal after %%prec")
+ errorf("nonterminal " + nontrst[j-NTBASE].name + " illegal after %%prec")
}
levprd[nprod] = toklev[j]
t = gettok()
@@ -642,7 +642,7 @@ outer:
// no explicit action, LHS has value
tempty := curprod[1]
if tempty < 0 {
- error("must return a value, since LHS has a type")
+ errorf("must return a value, since LHS has a type")
}
if tempty >= NTBASE {
tempty = nontrst[tempty-NTBASE].value
@@ -650,7 +650,7 @@ outer:
tempty = TYPE(toklev[tempty])
}
if tempty != nontrst[curprod[0]-NTBASE].value {
- error("default action causes potential type clash")
+ errorf("default action causes potential type clash")
}
fmt.Fprintf(fcode, "\ncase %v:", nprod)
fmt.Fprintf(fcode, "\n\t%sVAL.%v = %sS[%spt-0].%v;",
@@ -773,7 +773,7 @@ func defin(nt int, s string) int {
case 'v':
val = '\v'
default:
- error("invalid escape %v", s[1:3])
+ errorf("invalid escape %v", s[1:3])
}
} else if s[2] == 'u' && len(s) == 2+1+4 { // \unnnn sequence
val = 0
@@ -788,16 +788,16 @@ func defin(nt int, s string) int {
case c >= 'A' && c <= 'F':
c -= 'A' - 10
default:
- error("illegal \\unnnn construction")
+ errorf("illegal \\unnnn construction")
}
val = val*16 + c
s = s[1:]
}
if val == 0 {
- error("'\\u0000' is illegal")
+ errorf("'\\u0000' is illegal")
}
} else {
- error("unknown escape")
+ errorf("unknown escape")
}
} else {
val = extval
@@ -855,7 +855,7 @@ func gettok() int {
}
if c != '>' {
- error("unterminated < ... > clause")
+ errorf("unterminated < ... > clause")
}
for i = 1; i <= ntypes; i++ {
@@ -881,7 +881,7 @@ func gettok() int {
for {
c = getrune(finput)
if c == '\n' || c == EOF {
- error("illegal or missing ' or \"")
+ errorf("illegal or missing ' or \"")
}
if c == '\\' {
tokname += string('\\')
@@ -926,7 +926,7 @@ func gettok() int {
return resrv[c].value
}
}
- error("invalid escape, or illegal reserved word: %v", tokname)
+ errorf("invalid escape, or illegal reserved word: %v", tokname)
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
numbval = c - '0'
@@ -1004,7 +1004,7 @@ func fdtype(t int) int {
s = tokset[t].name
}
if v <= 0 {
- error("must specify type for %v", s)
+ errorf("must specify type for %v", s)
}
return v
}
@@ -1026,7 +1026,7 @@ func chfind(t int, s string) int {
// cannot find name
if t > 1 {
- error("%v should have been defined earlier", s)
+ errorf("%v should have been defined earlier", s)
}
return defin(t, s)
}
@@ -1047,7 +1047,7 @@ out:
for {
c := getrune(finput)
if c == EOF {
- error("EOF encountered while processing %%union")
+ errorf("EOF encountered while processing %%union")
}
ftable.WriteRune(c)
switch c {
@@ -1097,7 +1097,7 @@ func cpycode() {
c = getrune(finput)
}
lineno = lno
- error("eof before %%}")
+ errorf("eof before %%}")
}
//
@@ -1115,11 +1115,11 @@ func skipcom() int {
}
c = getrune(finput)
}
- error("EOF inside comment")
+ errorf("EOF inside comment")
return 0
}
if c != '*' {
- error("illegal comment")
+ errorf("illegal comment")
}
nl := 0 // lines skipped
@@ -1196,7 +1196,7 @@ loop:
if c == '<' {
ungetrune(finput, c)
if gettok() != TYPENAME {
- error("bad syntax on $<ident> clause")
+ errorf("bad syntax on $<ident> clause")
}
tok = numbval
c = getrune(finput)
@@ -1226,13 +1226,13 @@ loop:
ungetrune(finput, c)
j = j * s
if j >= max {
- error("Illegal use of $%v", j)
+ errorf("Illegal use of $%v", j)
}
} else if isword(c) || c == '_' || c == '.' {
// look for $name
ungetrune(finput, c)
if gettok() != IDENTIFIER {
- error("$ must be followed by an identifier")
+ errorf("$ must be followed by an identifier")
}
tokn := chfind(2, tokname)
fnd := -1
@@ -1240,7 +1240,7 @@ loop:
if c != '@' {
ungetrune(finput, c)
} else if gettok() != NUMBER {
- error("@ must be followed by number")
+ errorf("@ must be followed by number")
} else {
fnd = numbval
}
@@ -1253,7 +1253,7 @@ loop:
}
}
if j >= max {
- error("$name or $name@number not found")
+ errorf("$name or $name@number not found")
}
} else {
fcode.WriteRune('$')
@@ -1268,7 +1268,7 @@ loop:
// put out the proper tag
if ntypes != 0 {
if j <= 0 && tok < 0 {
- error("must specify type of $%v", j)
+ errorf("must specify type of $%v", j)
}
if tok < 0 {
tok = fdtype(curprod[j])
@@ -1315,7 +1315,7 @@ loop:
fcode.WriteRune(c)
c = getrune(finput)
}
- error("EOF inside comment")
+ errorf("EOF inside comment")
case '\'', '"':
// character string or constant
@@ -1333,16 +1333,16 @@ loop:
break swt
}
if c == '\n' {
- error("newline in string or char const")
+ errorf("newline in string or char const")
}
fcode.WriteRune(c)
c = getrune(finput)
}
- error("EOF in string or character constant")
+ errorf("EOF in string or character constant")
case EOF:
lineno = lno
- error("action does not terminate")
+ errorf("action does not terminate")
case '\n':
lineno++
@@ -1356,14 +1356,14 @@ func openup() {
infile = flag.Arg(0)
finput = open(infile)
if finput == nil {
- error("cannot open %v", infile)
+ errorf("cannot open %v", infile)
}
foutput = nil
if vflag != "" {
- foutput = create(vflag, 0666)
+ foutput = create(vflag)
if foutput == nil {
- error("can't create file %v", vflag)
+ errorf("can't create file %v", vflag)
}
}
@@ -1371,9 +1371,9 @@ func openup() {
if oflag == "" {
oflag = "y.go"
}
- ftable = create(oflag, 0666)
+ ftable = create(oflag)
if ftable == nil {
- error("can't create file %v", oflag)
+ errorf("can't create file %v", oflag)
}
}
@@ -1433,7 +1433,7 @@ func cpres() {
}
}
if n == 0 {
- error("nonterminal %v not defined", nontrst[i].name)
+ errorf("nonterminal %v not defined", nontrst[i].name)
continue
}
pres[i] = make([][]int, n)
@@ -1506,7 +1506,7 @@ more:
}
if pempty[i] != OK {
fatfl = 0
- error("nonterminal " + nontrst[i].name + " never derives any token string")
+ errorf("nonterminal " + nontrst[i].name + " never derives any token string")
}
}
@@ -1921,11 +1921,11 @@ look:
// state is new
zznewstate++
if nolook != 0 {
- error("yacc state/nolook error")
+ errorf("yacc state/nolook error")
}
pstate[nstate+2] = p2
if nstate+1 >= NSTATES {
- error("too many states")
+ errorf("too many states")
}
if c >= NTBASE {
mstates[nstate] = ntstates[c-NTBASE]
@@ -2061,7 +2061,7 @@ nextk:
}
return off + rr
}
- error("no space in action table")
+ errorf("no space in action table")
return 0
}
@@ -2623,7 +2623,7 @@ nextgp:
if s > maxa {
maxa = s
if maxa >= ACTSIZE {
- error("a array overflow")
+ errorf("a array overflow")
}
}
if amem[s] != 0 {
@@ -2646,7 +2646,7 @@ nextgp:
}
return
}
- error("cannot place goto %v\n", i)
+ errorf("cannot place goto %v\n", i)
}
func stin(i int) {
@@ -2705,7 +2705,7 @@ nextn:
maxa = s
}
if amem[s] != 0 && amem[s] != q[r+1] {
- error("clobber of a array, pos'n %v, by %v", s, q[r+1])
+ errorf("clobber of a array, pos'n %v, by %v", s, q[r+1])
}
amem[s] = q[r+1]
}
@@ -2715,7 +2715,7 @@ nextn:
}
return
}
- error("Error; failure to place state %v", i)
+ errorf("Error; failure to place state %v", i)
}
//
@@ -3014,7 +3014,7 @@ func getrune(f *bufio.Reader) int {
return EOF
}
if err != nil {
- error("read error: %v", err)
+ errorf("read error: %v", err)
}
//fmt.Printf("rune = %v n=%v\n", string(c), n);
return c
@@ -3036,27 +3036,27 @@ func write(f *bufio.Writer, b []byte, n int) int {
}
func open(s string) *bufio.Reader {
- fi, err := os.Open(s, os.O_RDONLY, 0)
+ fi, err := os.Open(s)
if err != nil {
- error("error opening %v: %v", s, err)
+ errorf("error opening %v: %v", s, err)
}
//fmt.Printf("open %v\n", s);
return bufio.NewReader(fi)
}
-func create(s string, m uint32) *bufio.Writer {
- fo, err := os.Open(s, os.O_WRONLY|os.O_CREAT|os.O_TRUNC, m)
+func create(s string) *bufio.Writer {
+ fo, err := os.Create(s)
if err != nil {
- error("error opening %v: %v", s, err)
+ errorf("error creating %v: %v", s, err)
}
- //fmt.Printf("create %v mode %v\n", s, m);
+ //fmt.Printf("create %v mode %v\n", s);
return bufio.NewWriter(fo)
}
//
// write out error comment
//
-func error(s string, v ...interface{}) {
+func errorf(s string, v ...interface{}) {
nerrors++
fmt.Fprintf(stderr, s, v...)
fmt.Fprintf(stderr, ": %v:%v\n", infile, lineno)
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 13:28:07 +0000