• add a tree debugging dumper #ifdef DEBUG
• use shf_putc (macro), shf_putchar (function) ipv tputc • replace shf_putchar(x,y) calls for side-effect-less x with shf_putc • plug another bug in the tree code – '\' → "\\" (backslashes must be escaped inside double quotes, too) • adjust testsuite (and, I _had_ wondered…)
This commit is contained in:
tg
parent
6894618bb9
commit
f8659785ac
10
check.t
10
check.t
@ -1,4 +1,4 @@
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# $MirOS: src/bin/mksh/check.t,v 1.417 2011/03/07 20:32:48 tg Exp $
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# $MirOS: src/bin/mksh/check.t,v 1.418 2011/03/08 18:49:48 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 2011/03/07
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@(#)MIRBSD KSH R39 2011/03/08
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description:
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Check version of shell.
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stdin:
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@ -7434,7 +7434,7 @@ expected-stdout:
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inline_QCHAR_OQUOTE_CQUOTE() {
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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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echo "fo\ob\\"a\\`r"\'"b\\$az"
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echo "fo\\ob\\\"a\\\`r"\'"b\\\$az"
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}
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function comsub_QCHAR_OQUOTE_CQUOTE { x=$(
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echo fo\ob\"a\`r\'b\$az
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@ -7442,7 +7442,7 @@ expected-stdout:
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echo 'fo\ob\"a\`r'\''b\$az'
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); }
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function comsub_QCHAR_OQUOTE_CQUOTE {
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x=$(echo fo\ob\"a\`r\'b\$az ; echo "fo\ob\"a\`r\'b\$az" ; echo "fo\ob\\"a\\`r"\'"b\\$az" )
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x=$(echo fo\ob\"a\`r\'b\$az ; echo "fo\ob\"a\`r\'b\$az" ; echo "fo\\ob\\\"a\\\`r"\'"b\\\$az" )
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}
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function reread_QCHAR_OQUOTE_CQUOTE { x=$((
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echo fo\ob\"a\`r\'b\$az
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@ -7450,7 +7450,7 @@ expected-stdout:
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echo 'fo\ob\"a\`r'\''b\$az'
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)|tr u x); }
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function reread_QCHAR_OQUOTE_CQUOTE {
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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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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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[[ ${foo#blub} = @(bar|baz) ]]
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5
sh.h
5
sh.h
@ -154,9 +154,9 @@
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#endif
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#ifdef EXTERN
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.440 2011/03/07 20:32:50 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.441 2011/03/08 18:49:50 tg Exp $");
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#endif
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#define MKSH_VERSION "R39 2011/03/07"
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#define MKSH_VERSION "R39 2011/03/08"
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#ifndef MKSH_INCLUDES_ONLY
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@ -1752,6 +1752,7 @@ char *wdcopy(const char *, Area *);
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const char *wdscan(const char *, int);
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char *wdstrip(const char *, bool, bool);
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void tfree(struct op *, Area *);
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void dumptree(struct shf *, struct op *);
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void vistree(char *, size_t, struct op *)
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MKSH_A_BOUNDED(string, 1, 2);
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void fpFUNCTf(struct shf *, int, bool, const char *, struct op *);
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366
tree.c
366
tree.c
@ -22,11 +22,10 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/tree.c,v 1.36 2011/03/06 17:08:14 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/tree.c,v 1.37 2011/03/08 18:49:51 tg Exp $");
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#define INDENT 8
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#define tputc(c, shf) shf_putchar(c, shf);
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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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@ -202,7 +201,7 @@ ptree(struct op *t, int indent, struct shf *shf)
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if ((iop->flag & IOTYPE) == IOHERE && iop->heredoc &&
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/* iop->delim[1] == '<' means here string */
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(!iop->delim || iop->delim[1] != '<')) {
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tputc('\n', shf);
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shf_putc('\n', shf);
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shf_puts(iop->heredoc, shf);
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fptreef(shf, indent, "%s",
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evalstr(iop->delim, 0));
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@ -215,7 +214,7 @@ ptree(struct op *t, int indent, struct shf *shf)
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* worth worrying about)
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*/
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if (need_nl)
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tputc('\n', shf);
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shf_putc('\n', shf);
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}
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}
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@ -258,7 +257,7 @@ pioact(struct shf *shf, int indent, struct ioword *iop)
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if (iop->delim)
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fptreef(shf, indent, "%S ", iop->delim);
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else
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tputc(' ', shf);
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shf_putc(' ', shf);
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} else if (iop->name)
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fptreef(shf, indent, (iop->flag & IONAMEXP) ? "%s " : "%S ",
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iop->name);
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@ -285,57 +284,56 @@ tputS(const char *wp, struct shf *shf)
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return;
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case ADELIM:
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case CHAR:
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tputc(*wp++, shf);
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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 || (c == '"' || c == '`' || c == '$'))
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tputc('\\', shf);
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tputc(c, shf);
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if (!quotelevel ||
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(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 (*wp != 0)
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tputc(*wp++, shf);
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tputc(')', shf);
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wp++;
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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("$((", shf);
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while (*wp != 0)
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tputc(*wp++, shf);
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while ((c = *wp++) != 0)
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shf_putc(c, shf);
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shf_puts("))", shf);
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wp++;
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break;
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case OQUOTE:
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quotelevel++;
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tputc('"', shf);
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shf_putc('"', shf);
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break;
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case CQUOTE:
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if (quotelevel)
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quotelevel--;
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tputc('"', shf);
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shf_putc('"', shf);
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break;
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case OSUBST:
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tputc('$', shf);
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shf_putc('$', shf);
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if (*wp++ == '{')
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tputc('{', shf);
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shf_putc('{', shf);
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while ((c = *wp++) != 0)
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tputc(c, shf);
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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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tputc('}', shf);
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shf_putc('}', shf);
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break;
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case OPAT:
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tputc(*wp++, shf);
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tputc('(', shf);
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shf_putchar(*wp++, shf);
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shf_putc('(', shf);
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break;
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case SPAT:
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tputc('|', shf);
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shf_putc('|', shf);
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break;
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case CPAT:
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tputc(')', 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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@ -382,7 +380,7 @@ vfptreef(struct shf *shf, int indent, const char *fmt, va_list va)
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switch ((c = *fmt++)) {
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case 'c':
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/* character (octet, probably) */
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tputc(va_arg(va, int), shf);
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shf_putchar(va_arg(va, int), shf);
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break;
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case 's':
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/* string */
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@ -410,19 +408,19 @@ vfptreef(struct shf *shf, int indent, const char *fmt, va_list va)
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/* newline or space */
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if (shf->flags & SHF_STRING) {
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if (c == ';' && !prevent_semicolon)
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tputc(';', shf);
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tputc(' ', shf);
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shf_putc(';', shf);
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shf_putc(' ', shf);
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} else {
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int i;
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tputc('\n', shf);
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shf_putc('\n', shf);
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i = indent;
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while (i >= 8) {
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tputc('\t', shf);
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shf_putc('\t', shf);
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i -= 8;
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}
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while (i--)
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tputc(' ', shf);
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shf_putc(' ', shf);
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}
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break;
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case 'R':
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@ -430,11 +428,11 @@ vfptreef(struct shf *shf, int indent, const char *fmt, va_list va)
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pioact(shf, indent, va_arg(va, struct ioword *));
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break;
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default:
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tputc(c, shf);
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shf_putc(c, shf);
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break;
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}
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} else
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tputc(c, shf);
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shf_putc(c, shf);
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prevent_semicolon = false;
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dont_trash_prevent_semicolon:
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;
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@ -593,20 +591,20 @@ wdstrip(const char *wp, bool keepq, bool make_magic)
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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_putchar(MAGIC, &shf);
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shf_putchar(c, &shf);
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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_putchar('\\', &shf);
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shf_putchar(c, &shf);
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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("$(", &shf);
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while (*wp != 0)
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shf_putchar(*wp++, &shf);
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shf_putchar(')', &shf);
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shf_putc(')', &shf);
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break;
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case EXPRSUB:
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shf_puts("$((", &shf);
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@ -619,34 +617,34 @@ wdstrip(const char *wp, bool keepq, bool make_magic)
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case CQUOTE:
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break;
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case OSUBST:
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shf_putchar('$', &shf);
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shf_putc('$', &shf);
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if (*wp++ == '{')
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shf_putchar('{', &shf);
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shf_putc('{', &shf);
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while ((c = *wp++) != 0)
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shf_putchar(c, &shf);
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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_putchar('}', &shf);
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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_putchar(MAGIC, &shf);
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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_putchar('(', &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_putchar(MAGIC, &shf);
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shf_putchar('|', &shf);
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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_putchar(MAGIC, &shf);
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shf_putchar(')', &shf);
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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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@ -774,3 +772,273 @@ vistree(char *dst, size_t sz, struct op *t)
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*dst = '\0';
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afree(buf, ATEMP);
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}
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#ifdef DEBUG
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static void
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dumpchar(struct shf *shf, int c)
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{
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if (((c & 0x60) == 0) || ((c & 0x7F) == 0x7F)) {
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/* C0 or C1 control character or DEL */
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shf_putc((c & 0x80) ? '$' : '^', shf);
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c = (c & 0x7F) ^ 0x40;
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}
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shf_putc(c, shf);
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}
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/* see: tputS */
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static void
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dumpwdvar(struct shf *shf, const char *wp)
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{
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int c, quotelevel = 0;
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while (1) {
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switch(*wp++) {
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case EOS:
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shf_puts("EOS", shf);
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return;
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case ADELIM:
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shf_puts("ADELIM=", shf);
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dumpchar:
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dumpchar(shf, *wp++);
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break;
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case CHAR:
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shf_puts("CHAR=", shf);
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goto dumpchar;
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case QCHAR:
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shf_puts("QCHAR<", shf);
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c = *wp++;
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if (!quotelevel ||
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(c == '"' || c == '`' || c == '$' || c == '\\'))
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shf_putc('\\', shf);
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dumpchar(shf, c);
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goto closeandout;
|
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case COMSUB:
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shf_puts("COMSUB<", shf);
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dumpsub:
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while ((c = *wp++) != 0)
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dumpchar(shf, c);
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closeandout:
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shf_putc('>', shf);
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break;
|
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case EXPRSUB:
|
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shf_puts("EXPRSUB<", shf);
|
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goto dumpsub;
|
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case OQUOTE:
|
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shf_fprintf(shf, "OQUOTE{%d", ++quotelevel);
|
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break;
|
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case CQUOTE:
|
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shf_fprintf(shf, "%d}CQUOTE", quotelevel);
|
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if (quotelevel)
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quotelevel--;
|
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else
|
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shf_puts("(err)", shf);
|
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break;
|
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case OSUBST:
|
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shf_puts("OSUBST(", shf);
|
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dumpchar(shf, *wp++);
|
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shf_puts(")[", shf);
|
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while ((c = *wp++) != 0)
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dumpchar(shf, c);
|
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break;
|
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case CSUBST:
|
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shf_puts("]CSUBST(", shf);
|
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dumpchar(shf, *wp++);
|
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shf_putc(')', shf);
|
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break;
|
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case OPAT:
|
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shf_puts("OPAT=", shf);
|
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dumpchar(shf, *wp++);
|
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break;
|
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case SPAT:
|
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shf_puts("SPAT", shf);
|
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break;
|
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case CPAT:
|
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shf_puts("CPAT", shf);
|
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break;
|
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default:
|
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shf_fprintf(shf, "INVAL<%u>", (uint8_t)wp[-1]);
|
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break;
|
||||
}
|
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shf_putc(' ', shf);
|
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}
|
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}
|
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|
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void
|
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dumptree(struct shf *shf, struct op *t)
|
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{
|
||||
int i;
|
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const char **w, *name;
|
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struct op *t1;
|
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static int nesting = 0;
|
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|
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for (i = 0; i < nesting; ++i)
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shf_putc('\t', shf);
|
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++nesting;
|
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shf_puts("{tree:" /*}*/, shf);
|
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if (t == NULL) {
|
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name = "(null)";
|
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goto out;
|
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}
|
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switch (t->type) {
|
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#define OPEN(x) case x: name = #x; shf_puts(" {" #x ":", shf); /*}*/
|
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|
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OPEN(TCOM)
|
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if (t->vars) {
|
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i = 0;
|
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w = (const char **)t->vars;
|
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while (*w) {
|
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shf_putc('\n', shf);
|
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for (int j = 0; j < nesting; ++j)
|
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shf_putc('\t', shf);
|
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shf_fprintf(shf, " var%d<", i++);
|
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dumpwdvar(shf, *w++);
|
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shf_putc('>', shf);
|
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}
|
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} else
|
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shf_puts(" #no-vars#", shf);
|
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if (t->args) {
|
||||
i = 0;
|
||||
w = t->args;
|
||||
while (*w) {
|
||||
shf_putc('\n', shf);
|
||||
for (int j = 0; j < nesting; ++j)
|
||||
shf_putc('\t', shf);
|
||||
shf_fprintf(shf, " arg%d<", i++);
|
||||
dumpwdvar(shf, *w++);
|
||||
shf_putc('>', shf);
|
||||
}
|
||||
} else
|
||||
shf_puts(" #no-args#", shf);
|
||||
break;
|
||||
OPEN(TEXEC)
|
||||
dumpleftandout:
|
||||
t = t->left;
|
||||
dumpandout:
|
||||
shf_putc('\n', shf);
|
||||
dumptree(shf, t);
|
||||
break;
|
||||
OPEN(TPAREN)
|
||||
goto dumpleftandout;
|
||||
OPEN(TPIPE)
|
||||
dumpleftmidrightandout:
|
||||
shf_putc('\n', shf);
|
||||
dumptree(shf, t->left);
|
||||
// middumprightandout:
|
||||
shf_fprintf(shf, "/%s:", name);
|
||||
dumprightandout:
|
||||
t = t->right;
|
||||
goto dumpandout;
|
||||
OPEN(TLIST)
|
||||
goto dumpleftmidrightandout;
|
||||
OPEN(TOR)
|
||||
goto dumpleftmidrightandout;
|
||||
OPEN(TAND)
|
||||
goto dumpleftmidrightandout;
|
||||
OPEN(TBANG)
|
||||
goto dumprightandout;
|
||||
OPEN(TDBRACKET)
|
||||
i = 0;
|
||||
w = t->args;
|
||||
while (*w) {
|
||||
shf_putc('\n', shf);
|
||||
for (int j = 0; j < nesting; ++j)
|
||||
shf_putc('\t', shf);
|
||||
shf_fprintf(shf, " arg%d<", i++);
|
||||
dumpwdvar(shf, *w++);
|
||||
shf_putc('>', shf);
|
||||
}
|
||||
break;
|
||||
OPEN(TFOR)
|
||||
dumpfor:
|
||||
shf_fprintf(shf, " str<%s>", t->str);
|
||||
if (t->vars != NULL) {
|
||||
i = 0;
|
||||
w = (const char **)t->vars;
|
||||
while (*w) {
|
||||
shf_putc('\n', shf);
|
||||
for (int j = 0; j < nesting; ++j)
|
||||
shf_putc('\t', shf);
|
||||
shf_fprintf(shf, " var%d<", i++);
|
||||
dumpwdvar(shf, *w++);
|
||||
shf_putc('>', shf);
|
||||
}
|
||||
}
|
||||
goto dumpleftandout;
|
||||
OPEN(TSELECT)
|
||||
goto dumpfor;
|
||||
OPEN(TCASE)
|
||||
shf_fprintf(shf, " str<%s>", t->str);
|
||||
i = 0;
|
||||
for (t1 = t->left; t1 != NULL; t1 = t1->right) {
|
||||
shf_putc('\n', shf);
|
||||
for (int j = 0; j < nesting; ++j)
|
||||
shf_putc('\t', shf);
|
||||
shf_fprintf(shf, " sub%d[(", i);
|
||||
w = (const char **)t1->vars;
|
||||
while (*w) {
|
||||
dumpwdvar(shf, *w);
|
||||
if (w[1] != NULL)
|
||||
shf_putc('|', shf);
|
||||
++w;
|
||||
}
|
||||
shf_putc(')', shf);
|
||||
shf_putc('\n', shf);
|
||||
dumptree(shf, t1->left);
|
||||
shf_fprintf(shf, " /%d]", i++);
|
||||
}
|
||||
break;
|
||||
OPEN(TWHILE)
|
||||
goto dumpleftmidrightandout;
|
||||
OPEN(TUNTIL)
|
||||
goto dumpleftmidrightandout;
|
||||
OPEN(TBRACE)
|
||||
goto dumpleftandout;
|
||||
OPEN(TCOPROC)
|
||||
goto dumpleftandout;
|
||||
OPEN(TASYNC)
|
||||
goto dumpleftandout;
|
||||
OPEN(TFUNCT)
|
||||
shf_fprintf(shf, " str<%s> ksh<%s>", t->str,
|
||||
t->u.ksh_func ? "yes" : "no");
|
||||
goto dumpleftandout;
|
||||
OPEN(TTIME)
|
||||
goto dumpleftandout;
|
||||
OPEN(TIF)
|
||||
dumpif:
|
||||
shf_putc('\n', shf);
|
||||
dumptree(shf, t->left);
|
||||
t = t->right;
|
||||
if (t->left != NULL) {
|
||||
shf_puts(" /TTHEN:\n", shf);
|
||||
dumptree(shf, t->left);
|
||||
}
|
||||
if (t->right && t->right->type == TELIF) {
|
||||
shf_puts(" /TELIF:", shf);
|
||||
t = t->right;
|
||||
goto dumpif;
|
||||
}
|
||||
if (t->right != NULL) {
|
||||
shf_puts(" /TELSE:\n", shf);
|
||||
dumptree(shf, t->right);
|
||||
}
|
||||
break;
|
||||
OPEN(TEOF)
|
||||
dumpunexpected:
|
||||
shf_puts("unexpected", shf);
|
||||
break;
|
||||
OPEN(TELIF)
|
||||
goto dumpunexpected;
|
||||
OPEN(TPAT)
|
||||
goto dumpunexpected;
|
||||
default:
|
||||
name = "TINVALID";
|
||||
shf_fprintf(shf, "{T<%d>:" /*}*/, t->type);
|
||||
goto dumpunexpected;
|
||||
|
||||
#undef OPEN
|
||||
}
|
||||
out:
|
||||
shf_fprintf(shf, /*{*/ " /%s}\n", name);
|
||||
--nesting;
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user