diff options
| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2023-01-29 20:46:19 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2023-01-29 20:46:19 +0000 |
| commit | 143ef44f06822f82a8358d4c02f07102d963fe5f (patch) | |
| tree | f9080b8a265dd926053ee7ae187e8fa46f3fb5e0 /sh.lex.c | |
| parent | 174d8b60324d7e8754709f7155e13ca95220b48c (diff) | |
Vendor import of tcsh-6.24.07vendor/tcsh/6.24.07vendor/tcsh
Diffstat (limited to 'sh.lex.c')
| -rw-r--r-- | sh.lex.c | 35 |
1 files changed, 29 insertions, 6 deletions
@@ -153,8 +153,7 @@ lex(struct wordent *hp) if (!postcmd_active) btell(&lineloc); - hp->next = hp->prev = hp; - hp->word = STRNULL; + initlex(hp); hadhist = 0; do c = readc(0); @@ -227,7 +226,7 @@ prlex(struct wordent *sp0) struct wordent *sp = sp0->next; for (;;) { - xprintf("%S", sp->word); + xprintf("%" TCSH_S, sp->word); sp = sp->next; if (sp == sp0) break; @@ -512,6 +511,24 @@ getdol(void) } cleanup_push(&name, Strbuf_cleanup); Strbuf_append1(&name, '$'); + if (c == '\'') { + for (;;) { + Strbuf_append1(&name, c); + c = getC(DOEXCL); + if (c == '\'') break; + if (c == '\\') { + Strbuf_append1(&name, c); + c = getC(DOEXCL); + } + if (c == '\n') { + ungetD(c); + seterror(ERR_MISSING, '\''); + goto end; + } + } + Strbuf_append1(&name, c); + goto end; + } if (c == '{') Strbuf_append1(&name, c), c = getC(DOEXCL); if (c == '#' || c == '?' || c == '%') @@ -618,6 +635,7 @@ getdol(void) /* scan s// [eichin:19910926.0512EST] */ if (c == 's') { int delimcnt = 2; + int esc = 0; eChar delim = getC(0); Strbuf_append1(&name, delim); @@ -627,9 +645,15 @@ getdol(void) break; } while ((c = getC(0)) != CHAR_ERR) { + if (esc == 0 && c == '\\') { + esc = 1; + Strbuf_append1(&name, c); + continue; + } Strbuf_append1(&name, c); - if (c == delim) delimcnt--; + if (!esc && c == delim) delimcnt--; if (!delimcnt) break; + esc = 0; } if (delimcnt) { seterror(ERR_BADSUBST); @@ -704,7 +728,7 @@ getexcl(Char sc) lastev = eventno; hp = gethent(sc); - if (hp == 0) + if (hp == NULL) return; hadhist = 1; dol = 0; @@ -894,7 +918,6 @@ getsub(struct wordent *en) * We raise the limit to 50000000 */ -#define HIST_PURGE -50000000 static struct wordent * dosub(Char sc, struct wordent *en, int global) { |