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Makefile.in: PIC lex.c

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* Makefile.in (lex.c): make position independent table.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51333 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-07-22 00:37:09 +00:00
parent da4d4c0024
commit 26be081f1b
4 changed files with 149 additions and 56 deletions
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4
Makefile.in
View file

@ -321,7 +321,9 @@ lex.c: defs/keywords
$(CP) $(srcdir)/lex.c.blt $@; \
else \
[ $(Q) ] && echo generating $@ || set -x; \
gperf -C -p -j1 -i 1 -g -o -t -N rb_reserved_word -k1,3,$$ $? > $@.tmp && \
gperf -C -P -p -j1 -i 1 -g -o -t -N rb_reserved_word -k1,3,$$ $? \
| sed 's/(int)(long)&((\(struct stringpool_t\) *\*)0)->\(stringpool_[a-z0-9]*\)/offsetof(\1, \2)/g' \
> $@.tmp && \
$(MV) $@.tmp $@ && \
$(CP) $? $(srcdir)/defs/lex.c.src && \
$(CP) $@ $(srcdir)/lex.c.blt; \

2
defs/keywords
View file

@ -1,5 +1,5 @@
%{
struct kwtable {const char *name; int id[2]; enum lex_state_e state;};
struct kwtable {unsigned int name, id[2], state;};
const struct kwtable *rb_reserved_word(const char *, unsigned int);
#ifndef RIPPER
static const struct kwtable *reserved_word(const char *, unsigned int);

2
defs/lex.c.src
View file

@ -1,5 +1,5 @@
%{
struct kwtable {const char *name; int id[2]; enum lex_state_e state;};
struct kwtable {unsigned int name, id[2], state;};
const struct kwtable *rb_reserved_word(const char *, unsigned int);
#ifndef RIPPER
static const struct kwtable *reserved_word(const char *, unsigned int);

197
lex.c.blt
View file

@ -1,5 +1,5 @@
/* C code produced by gperf version 3.0.4 */
/* Command-line: gperf -C -p -j1 -i 1 -g -o -t -N rb_reserved_word -k'1,3,$' defs/keywords */
/* Command-line: gperf -C -P -p -j1 -i 1 -g -o -t -N rb_reserved_word -k'1,3,$' defs/keywords */
#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
&& ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
@ -30,7 +30,7 @@ error "gperf generated tables don't work with this execution character set. Plea
#line 1 "defs/keywords"
struct kwtable {const char *name; int id[2]; enum lex_state_e state;};
struct kwtable {unsigned int name, id[2], state;};
const struct kwtable *rb_reserved_word(const char *, unsigned int);
#ifndef RIPPER
static const struct kwtable *reserved_word(const char *, unsigned int);
@ -45,12 +45,10 @@ struct kwtable;
#define MAX_HASH_VALUE 50
/* maximum key range = 43, duplicates = 0 */
#ifdef __GNUC__
__inline
#else
#ifdef __cplusplus
#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus) || defined(__GNUC_STDC_INLINE__)
inline
#endif
#elif defined(__GNUC__)
__inline
#endif
static unsigned int
hash (str, len)
@ -101,6 +99,95 @@ hash (str, len)
return hval + asso_values[(unsigned char)str[len - 1]];
}
struct stringpool_t
{
char stringpool_str8[sizeof("break")];
char stringpool_str9[sizeof("else")];
char stringpool_str10[sizeof("nil")];
char stringpool_str11[sizeof("ensure")];
char stringpool_str12[sizeof("end")];
char stringpool_str13[sizeof("then")];
char stringpool_str14[sizeof("not")];
char stringpool_str15[sizeof("false")];
char stringpool_str16[sizeof("self")];
char stringpool_str17[sizeof("elsif")];
char stringpool_str18[sizeof("rescue")];
char stringpool_str19[sizeof("true")];
char stringpool_str20[sizeof("until")];
char stringpool_str21[sizeof("unless")];
char stringpool_str22[sizeof("return")];
char stringpool_str23[sizeof("def")];
char stringpool_str24[sizeof("and")];
char stringpool_str25[sizeof("do")];
char stringpool_str26[sizeof("yield")];
char stringpool_str27[sizeof("for")];
char stringpool_str28[sizeof("undef")];
char stringpool_str29[sizeof("or")];
char stringpool_str30[sizeof("in")];
char stringpool_str31[sizeof("when")];
char stringpool_str32[sizeof("retry")];
char stringpool_str33[sizeof("if")];
char stringpool_str34[sizeof("case")];
char stringpool_str35[sizeof("redo")];
char stringpool_str36[sizeof("next")];
char stringpool_str37[sizeof("super")];
char stringpool_str38[sizeof("module")];
char stringpool_str39[sizeof("begin")];
char stringpool_str40[sizeof("__LINE__")];
char stringpool_str41[sizeof("__FILE__")];
char stringpool_str42[sizeof("__ENCODING__")];
char stringpool_str43[sizeof("END")];
char stringpool_str44[sizeof("alias")];
char stringpool_str45[sizeof("BEGIN")];
char stringpool_str46[sizeof("defined?")];
char stringpool_str47[sizeof("class")];
char stringpool_str50[sizeof("while")];
};
static const struct stringpool_t stringpool_contents =
{
"break",
"else",
"nil",
"ensure",
"end",
"then",
"not",
"false",
"self",
"elsif",
"rescue",
"true",
"until",
"unless",
"return",
"def",
"and",
"do",
"yield",
"for",
"undef",
"or",
"in",
"when",
"retry",
"if",
"case",
"redo",
"next",
"super",
"module",
"begin",
"__LINE__",
"__FILE__",
"__ENCODING__",
"END",
"alias",
"BEGIN",
"defined?",
"class",
"while"
};
#define stringpool ((const char *) &stringpool_contents)
#ifdef __GNUC__
__inline
#if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__
@ -114,90 +201,90 @@ rb_reserved_word (str, len)
{
static const struct kwtable wordlist[] =
{
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
#line 19 "defs/keywords"
{"break", {keyword_break, keyword_break}, EXPR_MID},
{offsetof(struct stringpool_t, stringpool_str8), {keyword_break, keyword_break}, EXPR_MID},
#line 25 "defs/keywords"
{"else", {keyword_else, keyword_else}, EXPR_BEG},
{offsetof(struct stringpool_t, stringpool_str9), {keyword_else, keyword_else}, EXPR_BEG},
#line 35 "defs/keywords"
{"nil", {keyword_nil, keyword_nil}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str10), {keyword_nil, keyword_nil}, EXPR_END},
#line 28 "defs/keywords"
{"ensure", {keyword_ensure, keyword_ensure}, EXPR_BEG},
{offsetof(struct stringpool_t, stringpool_str11), {keyword_ensure, keyword_ensure}, EXPR_BEG},
#line 27 "defs/keywords"
{"end", {keyword_end, keyword_end}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str12), {keyword_end, keyword_end}, EXPR_END},
#line 44 "defs/keywords"
{"then", {keyword_then, keyword_then}, EXPR_BEG},
{offsetof(struct stringpool_t, stringpool_str13), {keyword_then, keyword_then}, EXPR_BEG},
#line 36 "defs/keywords"
{"not", {keyword_not, keyword_not}, EXPR_ARG},
{offsetof(struct stringpool_t, stringpool_str14), {keyword_not, keyword_not}, EXPR_ARG},
#line 29 "defs/keywords"
{"false", {keyword_false, keyword_false}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str15), {keyword_false, keyword_false}, EXPR_END},
#line 42 "defs/keywords"
{"self", {keyword_self, keyword_self}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str16), {keyword_self, keyword_self}, EXPR_END},
#line 26 "defs/keywords"
{"elsif", {keyword_elsif, keyword_elsif}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str17), {keyword_elsif, keyword_elsif}, EXPR_VALUE},
#line 39 "defs/keywords"
{"rescue", {keyword_rescue, modifier_rescue}, EXPR_MID},
{offsetof(struct stringpool_t, stringpool_str18), {keyword_rescue, modifier_rescue}, EXPR_MID},
#line 45 "defs/keywords"
{"true", {keyword_true, keyword_true}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str19), {keyword_true, keyword_true}, EXPR_END},
#line 48 "defs/keywords"
{"until", {keyword_until, modifier_until}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str20), {keyword_until, modifier_until}, EXPR_VALUE},
#line 47 "defs/keywords"
{"unless", {keyword_unless, modifier_unless}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str21), {keyword_unless, modifier_unless}, EXPR_VALUE},
#line 41 "defs/keywords"
{"return", {keyword_return, keyword_return}, EXPR_MID},
{offsetof(struct stringpool_t, stringpool_str22), {keyword_return, keyword_return}, EXPR_MID},
#line 22 "defs/keywords"
{"def", {keyword_def, keyword_def}, EXPR_FNAME},
{offsetof(struct stringpool_t, stringpool_str23), {keyword_def, keyword_def}, EXPR_FNAME},
#line 17 "defs/keywords"
{"and", {keyword_and, keyword_and}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str24), {keyword_and, keyword_and}, EXPR_VALUE},
#line 24 "defs/keywords"
{"do", {keyword_do, keyword_do}, EXPR_BEG},
{offsetof(struct stringpool_t, stringpool_str25), {keyword_do, keyword_do}, EXPR_BEG},
#line 51 "defs/keywords"
{"yield", {keyword_yield, keyword_yield}, EXPR_ARG},
{offsetof(struct stringpool_t, stringpool_str26), {keyword_yield, keyword_yield}, EXPR_ARG},
#line 30 "defs/keywords"
{"for", {keyword_for, keyword_for}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str27), {keyword_for, keyword_for}, EXPR_VALUE},
#line 46 "defs/keywords"
{"undef", {keyword_undef, keyword_undef}, EXPR_FNAME},
{offsetof(struct stringpool_t, stringpool_str28), {keyword_undef, keyword_undef}, EXPR_FNAME},
#line 37 "defs/keywords"
{"or", {keyword_or, keyword_or}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str29), {keyword_or, keyword_or}, EXPR_VALUE},
#line 32 "defs/keywords"
{"in", {keyword_in, keyword_in}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str30), {keyword_in, keyword_in}, EXPR_VALUE},
#line 49 "defs/keywords"
{"when", {keyword_when, keyword_when}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str31), {keyword_when, keyword_when}, EXPR_VALUE},
#line 40 "defs/keywords"
{"retry", {keyword_retry, keyword_retry}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str32), {keyword_retry, keyword_retry}, EXPR_END},
#line 31 "defs/keywords"
{"if", {keyword_if, modifier_if}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str33), {keyword_if, modifier_if}, EXPR_VALUE},
#line 20 "defs/keywords"
{"case", {keyword_case, keyword_case}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str34), {keyword_case, keyword_case}, EXPR_VALUE},
#line 38 "defs/keywords"
{"redo", {keyword_redo, keyword_redo}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str35), {keyword_redo, keyword_redo}, EXPR_END},
#line 34 "defs/keywords"
{"next", {keyword_next, keyword_next}, EXPR_MID},
{offsetof(struct stringpool_t, stringpool_str36), {keyword_next, keyword_next}, EXPR_MID},
#line 43 "defs/keywords"
{"super", {keyword_super, keyword_super}, EXPR_ARG},
{offsetof(struct stringpool_t, stringpool_str37), {keyword_super, keyword_super}, EXPR_ARG},
#line 33 "defs/keywords"
{"module", {keyword_module, keyword_module}, EXPR_VALUE},
{offsetof(struct stringpool_t, stringpool_str38), {keyword_module, keyword_module}, EXPR_VALUE},
#line 18 "defs/keywords"
{"begin", {keyword_begin, keyword_begin}, EXPR_BEG},
{offsetof(struct stringpool_t, stringpool_str39), {keyword_begin, keyword_begin}, EXPR_BEG},
#line 12 "defs/keywords"
{"__LINE__", {keyword__LINE__, keyword__LINE__}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str40), {keyword__LINE__, keyword__LINE__}, EXPR_END},
#line 13 "defs/keywords"
{"__FILE__", {keyword__FILE__, keyword__FILE__}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str41), {keyword__FILE__, keyword__FILE__}, EXPR_END},
#line 11 "defs/keywords"
{"__ENCODING__", {keyword__ENCODING__, keyword__ENCODING__}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str42), {keyword__ENCODING__, keyword__ENCODING__}, EXPR_END},
#line 15 "defs/keywords"
{"END", {keyword_END, keyword_END}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str43), {keyword_END, keyword_END}, EXPR_END},
#line 16 "defs/keywords"
{"alias", {keyword_alias, keyword_alias}, EXPR_FNAME},
{offsetof(struct stringpool_t, stringpool_str44), {keyword_alias, keyword_alias}, EXPR_FNAME},
#line 14 "defs/keywords"
{"BEGIN", {keyword_BEGIN, keyword_BEGIN}, EXPR_END},
{offsetof(struct stringpool_t, stringpool_str45), {keyword_BEGIN, keyword_BEGIN}, EXPR_END},
#line 23 "defs/keywords"
{"defined?", {keyword_defined, keyword_defined}, EXPR_ARG},
{offsetof(struct stringpool_t, stringpool_str46), {keyword_defined, keyword_defined}, EXPR_ARG},
#line 21 "defs/keywords"
{"class", {keyword_class, keyword_class}, EXPR_CLASS},
{""}, {""},
{offsetof(struct stringpool_t, stringpool_str47), {keyword_class, keyword_class}, EXPR_CLASS},
{-1}, {-1},
#line 50 "defs/keywords"
{"while", {keyword_while, modifier_while}, EXPR_VALUE}
{offsetof(struct stringpool_t, stringpool_str50), {keyword_while, modifier_while}, EXPR_VALUE}
};
if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
@ -206,10 +293,14 @@ rb_reserved_word (str, len)
if (key <= MAX_HASH_VALUE && key >= 0)
{
register const char *s = wordlist[key].name;
register int o = wordlist[key].name;
if (o >= 0)
{
register const char *s = o + stringpool;
if (*str == *s && !strcmp (str + 1, s + 1))
return &wordlist[key];
if (*str == *s && !strcmp (str + 1, s + 1))
return &wordlist[key];
}
}
}
return 0;