6437624 RFE: Add ksh93 (as /usr/bin/ksh93) and libshell.so to OS/Net

6505835 AST tools and library (libpp) required for creating l10n messages for ksh93
PSARC/2006/550 Korn Shell 93 Integration
PSARC/2006/587 /etc/ksh.kshrc for ksh93
PSARC/2007/035 ksh93 Amendments
Contributed by Roland Mainz <roland.mainz@nrubsig.org>

--HG--
rename : usr/src/lib/libcmd/common/mapfile-vers => deleted_files/usr/src/lib/libcmd/common/mapfile-vers
rename : usr/src/lib/libcmd/common/placeholder.c => deleted_files/usr/src/lib/libcmd/common/placeholder.c

1 files changed, 397 insertions, 0 deletions

diff --git a/usr/src/lib/libpp/common/ppbuiltin.c b/usr/src/lib/libpp/common/ppbuiltin.c
new file mode 100644
index 0000000000..b9a906f657
--- /dev/null
+++ b/usr/src/lib/libpp/common/ppbuiltin.c
@@ -0,0 +1,397 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*           Copyright (c) 1986-2007 AT&T Knowledge Ventures            *
+*                      and is licensed under the                       *
+*                  Common Public License, Version 1.0                  *
+*                      by AT&T Knowledge Ventures                      *
+*                                                                      *
+*                A copy of the License is available at                 *
+*            http://www.opensource.org/licenses/cpl1.0.txt             *
+*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+/*
+ * Glenn Fowler
+ * AT&T Research
+ *
+ * preprocessor builtin macro support
+ */
+
+#include "pplib.h"
+
+#include <times.h>
+
+/*
+ * process a #(...) builtin macro call
+ * `#(' has already been seen
+ */
+
+void
+ppbuiltin(void)
+{
+	register int		c;
+	register char*		p;
+	register char*		a;
+
+	int			n;
+	int			op;
+	char*			token;
+	char*			t;
+	long			number;
+	struct ppinstk*		in;
+	struct pplist*		list;
+	struct ppsymbol*	sym;
+	Sfio_t*			sp;
+
+	number = pp.state;
+	pp.state |= DISABLE|FILEPOP|NOSPACE;
+	token = pp.token;
+	p = pp.token = pp.tmpbuf;
+	*(a = pp.args) = 0;
+	if ((c = pplex()) != T_ID)
+	{
+		error(2, "%s: #(<identifier>...) expected", p);
+		*p = 0;
+	}
+	switch (op = (int)hashget(pp.strtab, p))
+	{
+	case V_DEFAULT:
+		n = 0;
+		p = pp.token = pp.valbuf;
+		if ((c = pplex()) == ',')
+		{
+			op = -1;
+			c = pplex();
+		}
+		pp.state &= ~NOSPACE;
+		for (;;)
+		{
+			if (!c)
+			{
+				error(2, "%s in #(...) argument", pptokchr(c));
+				break;
+			}
+			if (c == '(') n++;
+			else if (c == ')' && !n--) break;
+			else if (c == ',' && !n && op > 0) op = 0;
+			if (op) pp.token = pp.toknxt;
+			c = pplex();
+		}
+		*pp.token = 0;
+		pp.token = token;
+		pp.state = number;
+		break;
+	case V_EMPTY:
+		p = pp.valbuf;
+		if ((c = pplex()) == ')') *p = '1';
+		else
+		{
+			*p = '0';
+			n = 0;
+			for (;;)
+			{
+				if (!c)
+				{
+					error(2, "%s in #(...) argument", pptokchr(c));
+					break;
+				}
+				if (c == '(') n++;
+				else if (c == ')' && !n--) break;
+				c = pplex();
+			}
+		}
+		*(p + 1) = 0;
+		pp.token = token;
+		pp.state = number;
+		break;
+	case V_ITERATE:
+		n = 0;
+		pp.token = pp.valbuf;
+		if ((c = pplex()) != T_ID || !(sym = ppsymref(pp.symtab, pp.token)) || !sym->macro || sym->macro->arity != 1 || (c = pplex()) != ',')
+		{
+			error(2, "#(%s <macro(x)>, ...) expected", p);
+			for (;;)
+			{
+				if (!c)
+				{
+					error(2, "%s in #(...) argument", pptokchr(c));
+					break;
+				}
+				if (c == '(') n++;
+				else if (c == ')' && !n--) break;
+				c = pplex();
+			}
+			*pp.valbuf = 0;
+		}
+		else while (c != ')')
+		{
+			p = pp.token;
+			if (pp.token > pp.valbuf) *pp.token++ = ' ';
+			STRCOPY(pp.token, sym->name, a);
+			*pp.token++ = '(';
+			if (!c || !(c = pplex()))
+			{
+				pp.token = p;
+				error(2, "%s in #(...) argument", pptokchr(c));
+				break;
+			}
+			pp.state &= ~NOSPACE;
+			while (c)
+			{
+				if (c == '(') n++;
+				else if (c == ')' && !n--) break;
+				else if (c == ',' && !n) break;
+				pp.token = pp.toknxt;
+				c = pplex();
+			}
+			*pp.token++ = ')';
+			pp.state |= NOSPACE;
+		}
+		p = pp.valbuf;
+		pp.token = token;
+		pp.state = number;
+		break;
+	default:
+		pp.token = token;
+		while (c != ')')
+		{
+			if (!c)
+			{
+				error(2, "%s in #(...) argument", pptokchr(c));
+				break;
+			}
+			if ((c = pplex()) == T_ID && !*a)
+				strcpy(a, pp.token);
+		}
+		pp.state = number;
+		switch (op)
+		{
+		case V_ARGC:
+			c = -1;
+			for (in = pp.in; in; in = in->prev)
+				if ((in->type == IN_MACRO || in->type == IN_MULTILINE) && (in->symbol->flags & SYM_FUNCTION))
+				{
+					c = *((unsigned char*)(pp.macp->arg[0] - 2));
+					break;
+				}
+			sfsprintf(p = pp.valbuf, MAXTOKEN, "%d", c);
+			break;
+		case V_BASE:
+			p = (a = strrchr(error_info.file, '/')) ? a + 1 : error_info.file;
+			break;
+		case V_DATE:
+			if (!(p = pp.date))
+			{
+				time_t	tm;
+
+				time(&tm);
+				a = p = ctime(&tm) + 4;
+				*(p + 20) = 0;
+				for (p += 7; *p = *(p + 9); p++);
+				pp.date = p = strdup(a);
+			}
+			break;
+		case V_FILE:
+			p = error_info.file;
+			break;
+		case V_LINE:
+			sfsprintf(p = pp.valbuf, MAXTOKEN, "%d", error_info.line);
+			break;
+		case V_PATH:
+			p = pp.path;
+			break;
+		case V_SOURCE:
+			p = error_info.file;
+			for (in = pp.in; in->prev; in = in->prev)
+				if (in->prev->type == IN_FILE && in->file)
+					p = in->file;
+			break;
+		case V_STDC:
+			p = pp.valbuf;
+			p[0] = ((pp.state & (COMPATIBILITY|TRANSITION)) || (pp.mode & (HOSTED|HOSTEDTRANSITION)) == (HOSTED|HOSTEDTRANSITION)) ? '0' : '1';
+			p[1] = 0;
+			break;
+		case V_TIME:
+			if (!(p = pp.time))
+			{
+				time_t	tm;
+
+				time(&tm);
+				p = ctime(&tm) + 11;
+				*(p + 8) = 0;
+				pp.time = p = strdup(p);
+			}
+			break;
+		case V_VERSION:
+			p = (char*)pp.version;
+			break;
+		case V_DIRECTIVE:
+			pp.state |= NEWLINE;
+			pp.mode |= RELAX;
+			strcpy(p = pp.valbuf, "#");
+			break;
+		case V_GETENV:
+			if (!(p = getenv(a))) p = "";
+			break;
+		case V_GETMAC:
+			p = (sym = pprefmac(a, REF_NORMAL)) ? sym->macro->value : "";
+			break;
+		case V_GETOPT:
+			sfsprintf(p = pp.valbuf, MAXTOKEN, "%ld", ppoption(a));
+			break;
+		case V_GETPRD:
+			p = (list = (struct pplist*)hashget(pp.prdtab, a)) ? list->value : "";
+			break;
+		case V__PRAGMA:
+			if ((c = pplex()) == '(')
+			{
+				number = pp.state;
+				pp.state |= NOSPACE|STRIP;
+				c = pplex();
+				pp.state = number;
+				if (c == T_STRING || c == T_WSTRING)
+				{
+					if (!(sp = sfstropen()))
+						error(3, "temporary buffer allocation error");
+					sfprintf(sp, "#%s %s\n", dirname(PRAGMA), pp.token);
+					a = sfstruse(sp);
+					if ((c = pplex()) == ')')
+					{
+						pp.state |= NEWLINE;
+						PUSH_BUFFER(p, a, 1);
+					}
+					sfstrclose(sp);
+				}
+			}
+			if (c != ')')
+				error(2, "%s: (\"...\") expected", p);
+			return;
+		case V_FUNCTION:
+
+#define BACK(a,p)	((a>p)?*--a:(number++?0:((p=pp.outbuf+PPBUFSIZ),(a=pp.outbuf+2*PPBUFSIZ),*--a)))
+#define PEEK(a,p)	((a>p)?*(a-1):(number?0:*(pp.outbuf+2*PPBUFSIZ-1)))
+
+			number = pp.outbuf == pp.outb;
+			a = pp.outp;
+			p = pp.outb;
+			op = 0;
+			while (c = BACK(a, p))
+			{
+				if (c == '"' || c == '\'')
+				{
+					op = 0;
+					while ((n = BACK(a, p)) && n != c || PEEK(a, p) == '\\');
+				}
+				else if (c == '\n')
+				{
+					token = a;
+					while (c = BACK(a, p))
+						if (c == '\n')
+						{
+							a = token;
+							break;
+						}
+						else if (c == '#' && PEEK(a, p) == '\n')
+							break;
+				}
+				else if (c == ' ')
+					/*ignore*/;
+				else if (c == '{') /* '}' */
+					op = 1;
+				else if (op == 1)
+				{
+					if (c == ')')
+					{
+						op = 2;
+						n = 1;
+					}
+					else
+						op = 0;
+				}
+				else if (op == 2)
+				{
+					if (c == ')')
+						n++;
+					else if (c == '(' && !--n)
+						op = 3;
+				}
+				else if (op == 3)
+				{
+					if (ppisidig(c))
+					{
+						for (t = p, token = a; ppisidig(PEEK(a, p)); a--);
+						for (p = pp.valbuf + 1; a <= token; *p++ = *a++);
+						*p = 0;
+						p = pp.valbuf + 1;
+						if (streq(p, "for") || streq(p, "if") || streq(p, "switch") || streq(p, "while"))
+						{
+							op = 0;
+							p = t;
+							continue;
+						}
+					}
+					else
+						op = 0;
+					break;
+				}
+			}
+			if (op == 3)
+				strncpy(pp.funbuf, p, sizeof(pp.funbuf) - 1);
+			else if (*pp.funbuf)
+				p = pp.funbuf;
+			else
+				p = "__FUNCTION__";
+			break;
+		default:
+			if (pp.builtin && (a = (*pp.builtin)(pp.valbuf, p, a)))
+				p = a;
+			break;
+		}
+		break;
+	}
+	if (strchr(p, MARK))
+	{
+		a = pp.tmpbuf;
+		strcpy(a, p);
+		c = p != pp.valbuf;
+		p = pp.valbuf + c;
+		for (;;)
+		{
+			if (p < pp.valbuf + MAXTOKEN - 2)
+				switch (*p++ = *a++)
+				{
+				case 0:
+					break;
+				case MARK:
+					*p++ = MARK;
+					/*FALLTHROUGH*/
+				default:
+					continue;
+				}
+			break;
+		}
+		p = pp.valbuf + c;
+	}
+	if (p == pp.valbuf)
+		PUSH_STRING(p);
+	else
+	{
+		if (p == pp.valbuf + 1)
+			*pp.valbuf = '"';
+		else
+		{
+			if (strlen(p) > MAXTOKEN - 2)
+				error(1, "%-.16s: builtin value truncated", p);
+			sfsprintf(pp.valbuf, MAXTOKEN, "\"%-.*s", MAXTOKEN - 2, p);
+		}
+		PUSH_QUOTE(pp.valbuf, 1);
+	}
+}