• fix wtf(1) by keeping the paren in ${foo#\(} properly escaped in COMSUB
• merge tputS and wdstrip_internal ⇒ net save: 604 .text 0 .data 0 .bss (MirBSD/i386)
This commit is contained in:
tg
parent
d69ffbf9e0
commit
69f98bca9a
18
check.t
18
check.t
@ -1,4 +1,4 @@
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# $MirOS: src/bin/mksh/check.t,v 1.447 2011/04/22 21:44:33 tg Exp $
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# $MirOS: src/bin/mksh/check.t,v 1.448 2011/05/02 22:52:49 tg Exp $
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# $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
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# $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
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# $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
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@ -25,7 +25,7 @@
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# http://www.research.att.com/~gsf/public/ifs.sh
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expected-stdout:
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@(#)MIRBSD KSH R39 2011/04/22
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@(#)MIRBSD KSH R39 2011/05/02
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description:
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Check version of shell.
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stdin:
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@ -7392,7 +7392,7 @@ stdin:
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echo "fo\ob\"a\`r\'b\$az"
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echo 'fo\ob\"a\`r'\''b\$az'
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#OSUBST_CSUBST_OPAT_SPAT_CPAT
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[[ ${foo#blub} = @(bar|baz) ]]
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[[ ${foo#bl\(u\)b} = @(bar|baz) ]]
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#heredoc_closed
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x=$(cat <<EOFN
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note there must be no space between EOFN and )
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@ -7809,22 +7809,22 @@ expected-stdout:
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x=$(( echo fo\ob\"a\`r\'b\$az ; echo "fo\ob\"a\`r\'b\$az" ; echo "fo\\ob\\\"a\\\`r"\'"b\\\$az" ) | tr u x )
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}
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inline_OSUBST_CSUBST_OPAT_SPAT_CPAT() {
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[[ ${foo#blub} = @(bar|baz) ]]
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[[ ${foo#bl\(u\)b} = @(bar|baz) ]]
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}
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inline_OSUBST_CSUBST_OPAT_SPAT_CPAT() {
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[[ ${foo#blub} = @(bar|baz) ]]
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[[ ${foo#bl\(u\)b} = @(bar|baz) ]]
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}
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function comsub_OSUBST_CSUBST_OPAT_SPAT_CPAT { x=$(
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[[ ${foo#blub} = @(bar|baz) ]]
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[[ ${foo#bl\(u\)b} = @(bar|baz) ]]
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); }
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function comsub_OSUBST_CSUBST_OPAT_SPAT_CPAT {
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x=$([[ ${foo#blub} = @(bar|baz) ]] )
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x=$([[ ${foo#bl\(u\)b} = @(bar|baz) ]] )
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}
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function reread_OSUBST_CSUBST_OPAT_SPAT_CPAT { x=$((
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[[ ${foo#blub} = @(bar|baz) ]]
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[[ ${foo#bl\(u\)b} = @(bar|baz) ]]
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)|tr u x); }
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function reread_OSUBST_CSUBST_OPAT_SPAT_CPAT {
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x=$(( [[ ${foo#blub} = @(bar|baz) ]] ) | tr u x )
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x=$(( [[ ${foo#bl\(u\)b} = @(bar|baz) ]] ) | tr u x )
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}
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inline_heredoc_closed() {
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x=$(cat <<EOFN
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11
eval.c
11
eval.c
@ -22,7 +22,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.103 2011/03/28 08:27:08 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.104 2011/05/02 22:52:51 tg Exp $");
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/*
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* string expansion
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@ -398,11 +398,11 @@ expand(const char *cp, /* input word */
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end[-2] = EOS;
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sp += end - beg - 1;
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}
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evaluate(substitute(stg = wdstrip(beg, false, false), 0),
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evaluate(substitute(stg = wdstrip(beg, 0), 0),
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&from, KSH_UNWIND_ERROR, true);
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afree(stg, ATEMP);
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if (end) {
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evaluate(substitute(stg = wdstrip(mid, false, false), 0),
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evaluate(substitute(stg = wdstrip(mid, 0), 0),
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&num, KSH_UNWIND_ERROR, true);
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afree(stg, ATEMP);
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}
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@ -441,10 +441,11 @@ expand(const char *cp, /* input word */
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else
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d[-2] = EOS;
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sp += (d ? d : p) - s - 1;
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tpat0 = wdstrip(s, true, true);
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tpat0 = wdstrip(s,
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WDS_KEEPQ | WDS_MAGIC);
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pat = substitute(tpat0, 0);
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if (d) {
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d = wdstrip(p, true, false);
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d = wdstrip(p, WDS_KEEPQ);
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rrep = substitute(d, 0);
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afree(d, ATEMP);
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} else
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4
lex.c
4
lex.c
@ -22,7 +22,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.146 2011/04/22 12:10:14 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.147 2011/05/02 22:52:51 tg Exp $");
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/*
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* states while lexing word
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@ -763,7 +763,7 @@ yylex(int cf)
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*/
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*wp = EOS;
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sp = Xstring(ws, wp);
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dp = wdstrip(sp, true, false);
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dp = wdstrip(sp, WDS_KEEPQ);
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s = pushs(SREREAD, source->areap);
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s->start = s->str = s->u.freeme = dp;
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s->next = source;
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9
sh.h
9
sh.h
@ -151,9 +151,9 @@
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#endif
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#ifdef EXTERN
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.466 2011/04/22 21:44:35 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.467 2011/05/02 22:52:52 tg Exp $");
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#endif
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#define MKSH_VERSION "R39 2011/04/22"
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#define MKSH_VERSION "R39 2011/05/02"
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#ifndef MKSH_INCLUDES_ONLY
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@ -1749,7 +1749,10 @@ char *snptreef(char *, int, const char *, ...);
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struct op *tcopy(struct op *, Area *);
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char *wdcopy(const char *, Area *);
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const char *wdscan(const char *, int);
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char *wdstrip(const char *, bool, bool);
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#define WDS_TPUTS BIT(0) /* tputS (dumpwdvar) mode */
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#define WDS_KEEPQ BIT(1) /* keep quote characters */
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#define WDS_MAGIC BIT(2) /* make MAGIC */
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char *wdstrip(const char *, int);
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void tfree(struct op *, Area *);
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void dumpchar(struct shf *, int);
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void dumptree(struct shf *, struct op *);
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4
syn.c
4
syn.c
@ -22,7 +22,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/syn.c,v 1.61 2011/04/22 12:15:42 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/syn.c,v 1.62 2011/05/02 22:52:53 tg Exp $");
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extern short subshell_nesting_level;
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@ -629,7 +629,7 @@ function_body(char *name,
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struct op *t;
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bool old_func_parse;
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sname = wdstrip(name, false, false);
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sname = wdstrip(name, 0);
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/*-
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* Check for valid characters in name. POSIX and AT&T ksh93 say
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* only allow [a-zA-Z_0-9] but this allows more as old pdkshs
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189
tree.c
189
tree.c
@ -22,17 +22,16 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/tree.c,v 1.44 2011/04/22 12:15:42 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/tree.c,v 1.45 2011/05/02 22:52:54 tg Exp $");
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#define INDENT 8
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static void ptree(struct op *, int, struct shf *);
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static void pioact(struct shf *, int, struct ioword *);
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static void tputS(const char *, struct shf *);
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static const char *wdvarput(struct shf *, const char *, int, int);
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static void vfptreef(struct shf *, int, const char *, va_list);
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static struct ioword **iocopy(struct ioword **, Area *);
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static void iofree(struct ioword **, Area *);
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static void wdstrip_internal(struct shf *, const char *, bool, bool);
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/* "foo& ; bar" and "foo |& ; bar" are invalid */
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static bool prevent_semicolon;
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@ -265,16 +264,18 @@ pioact(struct shf *shf, int indent, struct ioword *iop)
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prevent_semicolon = false;
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}
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/* variant of fputs for ptreef */
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static void
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tputS(const char *wp, struct shf *shf)
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/* variant of fputs for ptreef and wdstrip */
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static const char *
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wdvarput(struct shf *shf, const char *wp, int quotelevel, int opmode)
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{
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int c, quotelevel = 0;
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int c;
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/*-
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* problems:
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* `...` -> $(...)
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* 'foo' -> "foo"
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* x${foo:-"hi"} -> x${foo:-hi} unless WDS_TPUTS
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* x${foo:-'hi'} -> x${foo:-hi} unless WDS_KEEPQ
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* could change encoding to:
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* OQUOTE ["'] ... CQUOTE ["']
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* COMSUB [(`] ...\0 (handle $ ` \ and maybe " in `...` case)
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@ -282,18 +283,33 @@ tputS(const char *wp, struct shf *shf)
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while (/* CONSTCOND */ 1)
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switch (*wp++) {
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case EOS:
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return;
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return (wp);
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case ADELIM:
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case CHAR:
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shf_putchar(*wp++, shf);
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break;
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case QCHAR:
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c = *wp++;
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if (!quotelevel ||
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(c == '"' || c == '`' || c == '$' || c == '\\'))
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if ((opmode & WDS_MAGIC) &&
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(ISMAGIC(c) || c == '[' || c == NOT ||
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c == '-' || c == ']' || c == '*' || c == '?'))
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shf_putc(MAGIC, shf);
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shf_putc(c, shf);
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break;
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case QCHAR: {
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bool doq;
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c = *wp++;
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doq = (c == '"' || c == '`' || c == '$' || c == '\\');
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if (opmode & WDS_TPUTS) {
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if (quotelevel == 0)
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doq = true;
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} else {
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if (!(opmode & WDS_KEEPQ))
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doq = false;
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}
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if (doq)
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shf_putc('\\', shf);
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shf_putc(c, shf);
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break;
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}
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case COMSUB:
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shf_puts("$(", shf);
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while ((c = *wp++) != 0)
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@ -307,13 +323,17 @@ tputS(const char *wp, struct shf *shf)
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shf_puts("))", shf);
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break;
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case OQUOTE:
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quotelevel++;
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shf_putc('"', shf);
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if (opmode & WDS_TPUTS) {
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quotelevel++;
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shf_putc('"', shf);
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}
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break;
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case CQUOTE:
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if (quotelevel)
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quotelevel--;
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shf_putc('"', shf);
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if (opmode & WDS_TPUTS) {
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if (quotelevel)
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quotelevel--;
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shf_putc('"', shf);
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}
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break;
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case OSUBST:
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shf_putc('$', shf);
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@ -321,20 +341,29 @@ tputS(const char *wp, struct shf *shf)
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shf_putc('{', shf);
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while ((c = *wp++) != 0)
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shf_putc(c, shf);
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wp = wdvarput(shf, wp, 0, opmode);
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break;
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case CSUBST:
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if (*wp++ == '}')
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shf_putc('}', shf);
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break;
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return (wp);
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case OPAT:
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shf_putchar(*wp++, shf);
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shf_putc('(', shf);
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if (opmode & WDS_MAGIC) {
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shf_putc(MAGIC, shf);
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shf_putchar(*wp++ | 0x80, shf);
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} else {
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shf_putchar(*wp++, shf);
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shf_putc('(', shf);
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}
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break;
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case SPAT:
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shf_putc('|', shf);
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break;
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c = '|';
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if (0)
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case CPAT:
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shf_putc(')', shf);
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c = /*(*/ ')';
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if (opmode & WDS_MAGIC)
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shf_putc(MAGIC, shf);
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shf_putc(c, shf);
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break;
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}
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}
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@ -389,7 +418,7 @@ vfptreef(struct shf *shf, int indent, const char *fmt, va_list va)
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break;
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case 'S':
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/* word */
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tputS(va_arg(va, char *), shf);
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wdvarput(shf, va_arg(va, char *), 0, WDS_TPUTS);
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break;
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case 'd':
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/* signed decimal */
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@ -569,94 +598,16 @@ wdscan(const char *wp, int c)
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* quote characters (" ' \) stripped. (string is allocated from ATEMP)
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*/
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char *
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wdstrip(const char *wp, bool keepq, bool make_magic)
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wdstrip(const char *wp, int opmode)
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{
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struct shf shf;
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shf_sopen(NULL, 32, SHF_WR | SHF_DYNAMIC, &shf);
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wdstrip_internal(&shf, wp, keepq, make_magic);
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wdvarput(&shf, wp, 0, opmode);
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/* shf_sclose NUL terminates */
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return (shf_sclose(&shf));
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}
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static void
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wdstrip_internal(struct shf *shf, const char *wp, bool keepq, bool make_magic)
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{
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int c;
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/*-
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* problems:
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* `...` -> $(...)
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* x${foo:-"hi"} -> x${foo:-hi}
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* x${foo:-'hi'} -> x${foo:-hi} unless keepq
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*/
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while (/* CONSTCOND */ 1)
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switch (*wp++) {
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case EOS:
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return;
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case ADELIM:
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case CHAR:
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c = *wp++;
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if (make_magic && (ISMAGIC(c) || c == '[' || c == NOT ||
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c == '-' || c == ']' || c == '*' || c == '?'))
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shf_putc(MAGIC, shf);
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shf_putc(c, shf);
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break;
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case QCHAR:
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c = *wp++;
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if (keepq && (c == '"' || c == '`' || c == '$' || c == '\\'))
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shf_putc('\\', shf);
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shf_putc(c, shf);
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break;
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case COMSUB:
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shf_puts("$(", shf);
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while ((c = *wp++) != 0)
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shf_putc(c, shf);
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shf_putc(')', shf);
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break;
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case EXPRSUB:
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shf_puts("$((", shf);
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while (*wp != 0)
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shf_putchar(*wp++, shf);
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shf_puts("))", shf);
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break;
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case OQUOTE:
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break;
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case CQUOTE:
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break;
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case OSUBST:
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shf_putc('$', shf);
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if (*wp++ == '{')
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shf_putc('{', shf);
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while ((c = *wp++) != 0)
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shf_putc(c, shf);
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break;
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case CSUBST:
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if (*wp++ == '}')
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shf_putc('}', shf);
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break;
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case OPAT:
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if (make_magic) {
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shf_putc(MAGIC, shf);
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shf_putchar(*wp++ | 0x80, shf);
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} else {
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shf_putchar(*wp++, shf);
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shf_putc('(', shf);
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}
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break;
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case SPAT:
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if (make_magic)
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shf_putc(MAGIC, shf);
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shf_putc('|', shf);
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break;
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case CPAT:
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if (make_magic)
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shf_putc(MAGIC, shf);
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shf_putc(')', shf);
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break;
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}
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}
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static struct ioword **
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iocopy(struct ioword **iow, Area *ap)
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{
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@ -793,29 +744,28 @@ dumpchar(struct shf *shf, int c)
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shf_putc(c, shf);
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}
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/* see: tputS */
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void
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dumpwdvar(struct shf *shf, const char *wp)
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/* see: wdvarput */
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static const char *
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dumpwdvar_(struct shf *shf, const char *wp, int quotelevel)
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{
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int c, quotelevel = 0;
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int c;
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while (/* CONSTCOND */ 1) {
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switch(*wp++) {
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case EOS:
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shf_puts("EOS", shf);
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return;
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return (wp);
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case ADELIM:
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shf_puts("ADELIM=", shf);
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dumpchar:
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if (0)
|
||||
case CHAR:
|
||||
shf_puts("CHAR=", shf);
|
||||
dumpchar(shf, *wp++);
|
||||
break;
|
||||
case CHAR:
|
||||
shf_puts("CHAR=", shf);
|
||||
goto dumpchar;
|
||||
case QCHAR:
|
||||
shf_puts("QCHAR<", shf);
|
||||
c = *wp++;
|
||||
if (!quotelevel ||
|
||||
if (quotelevel == 0 ||
|
||||
(c == '"' || c == '`' || c == '$' || c == '\\'))
|
||||
shf_putc('\\', shf);
|
||||
dumpchar(shf, c);
|
||||
@ -847,12 +797,14 @@ dumpwdvar(struct shf *shf, const char *wp)
|
||||
shf_puts(")[", shf);
|
||||
while ((c = *wp++) != 0)
|
||||
dumpchar(shf, c);
|
||||
shf_putc('|', shf);
|
||||
wp = dumpwdvar_(shf, wp, 0);
|
||||
break;
|
||||
case CSUBST:
|
||||
shf_puts("]CSUBST(", shf);
|
||||
dumpchar(shf, *wp++);
|
||||
shf_putc(')', shf);
|
||||
break;
|
||||
return (wp);
|
||||
case OPAT:
|
||||
shf_puts("OPAT=", shf);
|
||||
dumpchar(shf, *wp++);
|
||||
@ -870,6 +822,11 @@ dumpwdvar(struct shf *shf, const char *wp)
|
||||
shf_putc(' ', shf);
|
||||
}
|
||||
}
|
||||
void
|
||||
dumpwdvar(struct shf *shf, const char *wp)
|
||||
{
|
||||
dumpwdvar_(shf, wp, 0);
|
||||
}
|
||||
|
||||
void
|
||||
dumptree(struct shf *shf, struct op *t)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user