replace the code related to << changes and <<< with cleaner code,
fixing a few bugs also (including new testcases, except x=<< issue)
This commit is contained in:
tg
parent
0f6aa7eaab
commit
ed5cb56849
11
check.t
11
check.t
@ -1,4 +1,4 @@
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# $MirOS: src/bin/mksh/check.t,v 1.706 2015/09/05 20:20:42 tg Exp $
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# $MirOS: src/bin/mksh/check.t,v 1.707 2015/09/06 19:46:56 tg Exp $
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# -*- mode: sh -*-
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#-
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# Copyright © 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
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@ -30,7 +30,7 @@
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# (2013/12/02 20:39:44) http://openbsd.cs.toronto.edu/cgi-bin/cvsweb/src/regress/bin/ksh/?sortby=date
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expected-stdout:
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@(#)MIRBSD KSH R51 2015/09/05
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@(#)MIRBSD KSH R51 2015/09/06
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description:
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Check version of shell.
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stdin:
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@ -39,7 +39,7 @@ name: KSH_VERSION
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category: shell:legacy-no
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---
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expected-stdout:
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@(#)LEGACY KSH R51 2015/09/05
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@(#)LEGACY KSH R51 2015/09/06
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description:
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Check version of legacy shell.
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stdin:
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@ -2325,6 +2325,8 @@ stdin:
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tr abcdefghijklmnopqrstuvwxyz nopqrstuvwxyzabcdefghijklm <<<\$bar
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tr abcdefghijklmnopqrstuvwxyz nopqrstuvwxyzabcdefghijklm <<<-foo
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tr abcdefghijklmnopqrstuvwxyz nopqrstuvwxyzabcdefghijklm <<<"$(echo "foo bar")"
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tr abcdefghijklmnopqrstuvwxyz nopqrstuvwxyzabcdefghijklm <<<"A $(echo "foo bar") B"
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tr abcdefghijklmnopqrstuvwxyz nopqrstuvwxyzabcdefghijklm <<<\$b\$b$bar
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expected-stdout:
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sbb
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sbb
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@ -2334,6 +2336,9 @@ expected-stdout:
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$one
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-sbb
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sbb one
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A sbb one B
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$o$oone
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onm
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---
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name: heredoc-9b
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description:
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4
eval.c
4
eval.c
@ -23,7 +23,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.171 2015/09/05 19:19:02 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.172 2015/09/06 19:46:59 tg Exp $");
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/*
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* string expansion
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@ -919,6 +919,8 @@ expand(
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(word == IFS_IWS || word == IFS_NWS) &&
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!ctype(c, C_IFSWS))) {
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emit_word:
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if (f & DOHERESTR)
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*dp++ = '\n';
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*dp++ = '\0';
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cp = Xclose(ds, dp);
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if (fdo & DOBRACE)
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16
exec.c
16
exec.c
@ -23,7 +23,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.162 2015/09/05 19:19:03 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.163 2015/09/06 19:46:59 tg Exp $");
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#ifndef MKSH_DEFAULT_EXECSHELL
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#define MKSH_DEFAULT_EXECSHELL MKSH_UNIXROOT "/bin/sh"
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@ -1518,9 +1518,9 @@ iosetup(struct ioword *iop, struct tbl *tp)
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* unquoted, the string is expanded first.
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*/
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static int
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hereinval(const char *content, int sub, char **resbuf, struct shf *shf)
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hereinval(struct ioword *iop, int sub, char **resbuf, struct shf *shf)
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{
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const char * volatile ccp = content;
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const char * volatile ccp = iop->heredoc;
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struct source *s, *osource;
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osource = source;
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@ -1531,7 +1531,9 @@ hereinval(const char *content, int sub, char **resbuf, struct shf *shf)
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/* special to iosetup(): don't print error */
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return (-2);
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}
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if (sub) {
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if (iop->ioflag & IOHERESTR) {
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ccp = evalstr(iop->delim, DOHERESTR | DOSCALAR | DOHEREDOC);
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} else if (sub) {
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/* do substitutions on the content of heredoc */
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s = pushs(SSTRING, ATEMP);
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s->start = s->str = ccp;
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@ -1560,7 +1562,7 @@ herein(struct ioword *iop, char **resbuf)
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int i;
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/* ksh -c 'cat <<EOF' can cause this... */
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if (iop->heredoc == NULL) {
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if (iop->heredoc == NULL && !(iop->ioflag & IOHERESTR)) {
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warningf(true, "%s missing", "here document");
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/* special to iosetup(): don't print error */
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return (-2);
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@ -1571,7 +1573,7 @@ herein(struct ioword *iop, char **resbuf)
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/* skip all the fd setup if we just want the value */
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if (resbuf != NULL)
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return (hereinval(iop->heredoc, i, resbuf, NULL));
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return (hereinval(iop, i, resbuf, NULL));
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/*
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* Create temp file to hold content (done before newenv
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@ -1588,7 +1590,7 @@ herein(struct ioword *iop, char **resbuf)
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return (-2);
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}
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if (hereinval(iop->heredoc, i, NULL, shf) == -2) {
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if (hereinval(iop, i, NULL, shf) == -2) {
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close(fd);
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/* special to iosetup(): don't print error */
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return (-2);
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96
lex.c
96
lex.c
@ -23,7 +23,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.208 2015/09/06 13:10:48 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.209 2015/09/06 19:47:00 tg Exp $");
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/*
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* states while lexing word
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@ -38,8 +38,8 @@ __RCSID("$MirOS: src/bin/mksh/lex.c,v 1.208 2015/09/06 13:10:48 tg Exp $");
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#define SQBRACE 7 /* inside "${}" */
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#define SBQUOTE 8 /* inside `` */
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#define SASPAREN 9 /* inside $(( )) */
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#define SHEREDELIM 10 /* parsing <<,<<-,<<< delimiter */
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#define SHEREDQUOTE 11 /* parsing " in <<,<<-,<<< delimiter */
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#define SHEREDELIM 10 /* parsing << or <<- delimiter */
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#define SHEREDQUOTE 11 /* parsing " in << or <<- delimiter */
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#define SPATTERN 12 /* parsing *(...|...) pattern (*+?@!) */
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#define SADELIM 13 /* like SBASE, looking for delimiter */
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#define STBRACEKORN 14 /* parsing ${...[#%]...} !FSH */
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@ -98,7 +98,7 @@ static int s_get(void);
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static void s_put(int);
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static char *get_brace_var(XString *, char *);
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static bool arraysub(char **);
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static void gethere(bool);
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static void gethere(void);
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static Lex_state *push_state_i(State_info *, Lex_state *);
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static Lex_state *pop_state_i(State_info *, Lex_state *);
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@ -240,20 +240,6 @@ yylex(int cf)
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/* Initial state: one of SWORD SLETPAREN SHEREDELIM SBASE */
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statep->type = state;
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/* check for here string */
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if (state == SHEREDELIM) {
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c = getsc();
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if (c == '<') {
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state = SHEREDELIM;
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while ((c = getsc()) == ' ' || c == '\t')
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;
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ungetsc(c);
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c = '<';
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goto accept_nonword;
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}
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ungetsc(c);
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}
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/* collect non-special or quoted characters to form word */
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while (!((c = getsc()) == 0 ||
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((state == SBASE || state == SHEREDELIM) && ctype(c, C_LEX1)))) {
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@ -262,7 +248,6 @@ yylex(int cf)
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c == /*{*/ '}')
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/* possibly end ${ :;} */
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break;
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accept_nonword:
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Xcheck(ws, wp);
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switch (state) {
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case SADELIM:
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@ -806,7 +791,7 @@ yylex(int cf)
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++statep->nparen;
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goto Sbase2;
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/* <<, <<-, <<< delimiter */
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/* << or <<- delimiter */
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case SHEREDELIM:
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/*
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* here delimiters need a special case since
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@ -844,7 +829,7 @@ yylex(int cf)
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}
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break;
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/* " in <<, <<-, <<< delimiter */
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/* " in << or <<- delimiter */
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case SHEREDQUOTE:
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if (c != '"')
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goto Subst;
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@ -941,22 +926,12 @@ yylex(int cf)
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iop->ioflag |= c == c2 ?
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(c == '>' ? IOCAT : IOHERE) : IORDWR;
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if (iop->ioflag == IOHERE) {
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if ((c2 = getsc()) == '-') {
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if ((c2 = getsc()) == '-')
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iop->ioflag |= IOSKIP;
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c2 = getsc();
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} else if (c2 == '<')
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else if (c2 == '<')
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iop->ioflag |= IOHERESTR;
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if (c2 == ' ') {
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/*XXX reentrancy hack IONDELIM */
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c2 = getsc();
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if (c2 != '\n') {
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ungetsc(c2);
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c2 = ' ';
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}
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}
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ungetsc(c2);
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if (c2 == '\n')
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iop->ioflag |= IONDELIM;
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else
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ungetsc(c2);
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}
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} else if (c2 == '&')
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iop->ioflag |= IODUP | (c == '<' ? IORDUP : 0);
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@ -1006,12 +981,14 @@ yylex(int cf)
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}
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#endif
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} else if (c == '\n') {
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gethere(false);
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if (cf & CONTIN)
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goto Again;
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} else if (c == '\0')
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/* need here strings at EOF */
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gethere(true);
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if (cf & HEREDELIM)
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ungetsc(c);
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else {
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gethere();
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if (cf & CONTIN)
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goto Again;
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}
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}
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return (c);
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}
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@ -1034,23 +1011,8 @@ yylex(int cf)
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/* copy word to unprefixed string ident */
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sp = yylval.cp;
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dp = ident;
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if ((cf & HEREDELIM) && (sp[1] == '<')) {
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herestringloop:
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switch ((c = *sp++)) {
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case CHAR:
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++sp;
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/* FALLTHROUGH */
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case OQUOTE:
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case CQUOTE:
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goto herestringloop;
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default:
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break;
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}
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/* dummy value */
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*dp++ = 'x';
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} else
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while ((dp - ident) < IDENT && (c = *sp++) == CHAR)
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*dp++ = *sp++;
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while ((dp - ident) < IDENT && (c = *sp++) == CHAR)
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*dp++ = *sp++;
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if (c != EOS)
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/* word is not unquoted */
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dp = ident;
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@ -1126,15 +1088,12 @@ yylex(int cf)
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}
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static void
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gethere(bool iseof)
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gethere(void)
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{
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struct ioword **p;
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for (p = heres; p < herep; p++)
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if (iseof && !((*p)->ioflag & IOHERESTR))
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/* only here strings at EOF */
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return;
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else
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if (!((*p)->ioflag & IOHERESTR))
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readhere(*p);
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herep = heres;
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}
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@ -1152,16 +1111,7 @@ readhere(struct ioword *iop)
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char *xp;
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size_t xpos;
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if (iop->ioflag & IOHERESTR) {
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/* process the here string */
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iop->heredoc = xp = evalstr(iop->delim, DOBLANK);
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xpos = strlen(xp) - 1;
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memmove(xp, xp + 1, xpos);
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xp[xpos] = '\n';
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return;
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}
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eof = iop->ioflag & IONDELIM ? "<<" : evalstr(iop->delim, 0);
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eof = evalstr(iop->delim, 0);
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if (!(iop->ioflag & IOEVAL))
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ignore_backslash_newline++;
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5
sh.h
5
sh.h
@ -172,9 +172,9 @@
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#endif
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#ifdef EXTERN
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.743 2015/09/05 20:20:46 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.744 2015/09/06 19:47:00 tg Exp $");
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#endif
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#define MKSH_VERSION "R51 2015/09/05"
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#define MKSH_VERSION "R51 2015/09/06"
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/* arithmetic types: C implementation */
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#if !HAVE_CAN_INTTYPES
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@ -1454,6 +1454,7 @@ struct ioword {
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#define DOTCOMEXEC BIT(11) /* not an eval flag, used by sh -c hack */
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#define DOSCALAR BIT(12) /* change field handling to non-list context */
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#define DOHEREDOC BIT(13) /* change scalar handling to heredoc body */
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#define DOHERESTR BIT(14) /* append a newline char */
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#define X_EXTRA 20 /* this many extra bytes in X string */
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18
syn.c
18
syn.c
@ -23,7 +23,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/syn.c,v 1.103 2015/09/05 19:19:11 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/syn.c,v 1.104 2015/09/06 19:47:01 tg Exp $");
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struct nesting_state {
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int start_token; /* token than began nesting (eg, FOR) */
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@ -172,6 +172,8 @@ c_list(bool multi)
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return (t);
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}
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static const char IONDELIM_delim[] = { CHAR, '<', CHAR, '<', EOS };
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static struct ioword *
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synio(int cf)
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{
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@ -189,15 +191,19 @@ synio(int cf)
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return (NULL);
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ACCEPT;
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iop = yylval.iop;
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if (iop->ioflag & IONDELIM)
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goto gotnulldelim;
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ishere = (iop->ioflag & IOTYPE) == IOHERE;
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musthave(LWORD, ishere ? HEREDELIM : 0);
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if (iop->ioflag & IOHERESTR) {
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musthave(LWORD, 0);
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} else if (ishere && tpeek(HEREDELIM) == '\n') {
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ACCEPT;
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yylval.cp = wdcopy(IONDELIM_delim, ATEMP);
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iop->ioflag |= IOEVAL | IONDELIM;
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} else
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musthave(LWORD, ishere ? HEREDELIM : 0);
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if (ishere) {
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iop->delim = yylval.cp;
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if (*ident != 0) {
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if (*ident != 0 && !(iop->ioflag & IOHERESTR)) {
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/* unquoted */
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||||
gotnulldelim:
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iop->ioflag |= IOEVAL;
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||||
}
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if (herep > &heres[HERES - 1])
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10
tree.c
10
tree.c
@ -23,7 +23,7 @@
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||||
#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/tree.c,v 1.76 2015/09/05 20:20:48 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/tree.c,v 1.77 2015/09/06 19:47:01 tg Exp $");
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||||
#define INDENT 8
|
||||
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@ -226,7 +226,6 @@ ptree(struct op *t, int indent, struct shf *shf)
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shf_putc('\n', shf);
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||||
shf_puts(iop->heredoc, shf);
|
||||
fptreef(shf, indent, "%s",
|
||||
iop->ioflag & IONDELIM ? "<<" :
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||||
evalstr(iop->delim, 0));
|
||||
need_nl = true;
|
||||
}
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@ -265,6 +264,8 @@ pioact(struct shf *shf, struct ioword *iop)
|
||||
shf_puts("<<", shf);
|
||||
if (flag & IOSKIP)
|
||||
shf_putc('-', shf);
|
||||
else if (flag & IOHERESTR)
|
||||
shf_putc('<', shf);
|
||||
break;
|
||||
case IOCAT:
|
||||
shf_puts(">>", shf);
|
||||
@ -283,9 +284,8 @@ pioact(struct shf *shf, struct ioword *iop)
|
||||
}
|
||||
/* name/delim are NULL when printing syntax errors */
|
||||
if (type == IOHERE) {
|
||||
if (iop->delim)
|
||||
if (iop->delim && !(iop->ioflag & IONDELIM))
|
||||
wdvarput(shf, iop->delim, 0, WDS_TPUTS);
|
||||
/*XXX see IONDELIM hack */
|
||||
} else if (iop->name) {
|
||||
if (flag & IONAMEXP)
|
||||
print_value_quoted(shf, iop->name);
|
||||
@ -931,7 +931,7 @@ dumpioact(struct shf *shf, struct op *t)
|
||||
DB(IOHERESTR)
|
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DB(IONDELIM)
|
||||
shf_fprintf(shf, ",unit=%d", (int)iop->unit);
|
||||
if (iop->delim) {
|
||||
if (iop->delim && !(iop->ioflag & IONDELIM)) {
|
||||
shf_puts(",delim<", shf);
|
||||
dumpwdvar(shf, iop->delim);
|
||||
shf_putc('>', shf);
|
||||
|
||||
Loading…
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Block a user