Imported Upstream version 93u+upstream

1 files changed, 171 insertions, 0 deletions

diff --git a/src/cmd/ksh93/include/shlex.h b/src/cmd/ksh93/include/shlex.h
new file mode 100644
index 0000000..b8e5034
--- /dev/null
+++ b/src/cmd/ksh93/include/shlex.h
@@ -0,0 +1,171 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1982-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                  David Korn <dgk@research.att.com>                   *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+#ifndef NOTSYM
+/*
+ *	UNIX shell
+ *	Written by David Korn
+ *	These are the definitions for the lexical analyzer
+ */
+
+#include	<cdt.h>
+#include	"FEATURE/options"
+#include	"shnodes.h"
+#include	"shtable.h"
+#include	"lexstates.h"
+
+
+typedef struct  _shlex_
+{
+	Shell_t		*sh;		/* pointer to the interpreter */
+	struct argnod	*arg;		/* current word */
+	struct ionod	*heredoc;	/* pending here document list */
+	int		token;		/* current token number */
+	int		lastline;	/* last line number */
+	int		lasttok;	/* previous token number */
+	int		digits;		/* numerical value with word token */
+	int		nonstandard;	/* nonstandard construct in profile */
+	char		aliasok;	/* on when alias is legal */
+	char		assignok;	/* on when name=value is legal */
+	char		inexec;		/* on when processing exec */
+	char		intypeset;	/* on when processing typeset */
+	char		comp_assign;	/* in compound assignment */
+	char		comsub;		/* parsing command substitution */
+	char		noreserv;	/* reserved works not legal */
+	int		inlineno;	/* saved value of sh.inlineno */
+	int		firstline;	/* saved value of sh.st.firstline */
+#if SHOPT_KIA
+	Sfio_t		*kiafile;	/* kia output file */
+	Sfio_t		*kiatmp;	/* kia reference file */
+	unsigned long	script;		/* script entity number */
+	unsigned long	fscript;	/* script file entity number */
+	unsigned long	current;	/* current entity number */
+	unsigned long	unknown;	/* <unknown> entity number */
+	off_t		kiabegin;	/* offset of first entry */
+	char		*scriptname;	/* name of script file */
+	Dt_t		*entity_tree;	/* for entity ids */
+#endif /* SHOPT_KIA */
+#ifdef  _SHLEX_PRIVATE
+	_SHLEX_PRIVATE
+#endif
+} Lex_t;
+
+/* symbols for parsing */
+#define NL		'\n'
+#define NOTSYM		'!'
+#define SYMRES		0400		/* reserved word symbols */
+#define DOSYM		(SYMRES|01)
+#define FISYM		(SYMRES|02)
+#define ELIFSYM		(SYMRES|03)
+#define ELSESYM		(SYMRES|04)
+#define INSYM		(SYMRES|05)
+#define THENSYM		(SYMRES|06)
+#define DONESYM		(SYMRES|07)
+#define ESACSYM		(SYMRES|010)
+#define IFSYM		(SYMRES|011)
+#define FORSYM		(SYMRES|012)
+#define WHILESYM	(SYMRES|013)
+#define UNTILSYM	(SYMRES|014)
+#define CASESYM		(SYMRES|015)
+#define FUNCTSYM	(SYMRES|016)
+#define SELECTSYM	(SYMRES|017)
+#define TIMESYM		(SYMRES|020)
+#define NSPACESYM	(SYMRES|021)
+
+#define SYMREP		01000		/* symbols for doubled characters */
+#define BREAKCASESYM	(SYMREP|';')
+#define ANDFSYM		(SYMREP|'&')
+#define ORFSYM		(SYMREP|'|')
+#define IOAPPSYM	(SYMREP|'>')
+#define IODOCSYM	(SYMREP|'<')
+#define EXPRSYM		(SYMREP|'(')
+#define BTESTSYM 	(SYMREP|'[')
+#define ETESTSYM	(SYMREP|']')
+
+#define SYMMASK		0170000
+#define SYMPIPE		010000	/* trailing '|' */
+#define SYMLPAR		020000	/* trailing LPAREN */
+#define SYMAMP		040000	/* trailing '&' */
+#define SYMGT		0100000	/* trailing '>' */
+#define SYMSEMI		0110000	/* trailing ';' */
+#define SYMSHARP	0120000	/* trailing '#' */
+#define IOSEEKSYM	(SYMSHARP|'<')
+#define IOMOV0SYM	(SYMAMP|'<')
+#define IOMOV1SYM	(SYMAMP|'>')
+#define FALLTHRUSYM	(SYMAMP|';')
+#define COOPSYM		(SYMAMP|'|')
+#define IORDWRSYM	(SYMGT|'<')
+#define IORDWRSYMT	(SYMSEMI|'<')
+#define IOCLOBSYM	(SYMPIPE|'>')
+#define PIPESYM2	(SYMPIPE|'&')
+#define IPROCSYM	(SYMLPAR|'<')
+#define OPROCSYM	(SYMLPAR|'>')
+#define EOFSYM		04000	/* end-of-file */
+#define TESTUNOP	04001
+#define TESTBINOP	04002
+#define LABLSYM		04003
+#define IOVNAME		04004
+
+/* additional parser flag, others in <shell.h> */
+#define SH_EMPTY	04
+#define SH_NOIO		010
+#define	SH_ASSIGN	020
+#define	SH_FUNDEF	040
+#define SH_ARRAY	0100
+#define SH_SEMI		0200	/* semi-colon after NL ok */
+
+#define SH_COMPASSIGN	010	/* allow compound assignments only */
+
+#if 0
+typedef struct  _shlex_
+{
+	struct shlex_t		_shlex;
+#ifdef  _SHLEX_PRIVATE
+	_SHLEX_PRIVATE
+#endif
+} Lex_t;
+
+#define	shlex			(((Lex_t*)(sh.lex_context))->_shlex)
+#endif
+extern const char		e_unexpected[];
+extern const char		e_unmatched[];
+extern const char		e_endoffile[];
+extern const char		e_newline[];
+
+/* odd chars */
+#define LBRACE	'{'
+#define RBRACE	'}'
+#define LPAREN	'('
+#define RPAREN	')'
+#define LBRACT	'['
+#define RBRACT	']'
+
+extern int		sh_lex(Lex_t*);
+extern Shnode_t		*sh_dolparen(Lex_t*);
+extern Lex_t		*sh_lexopen(Lex_t*, Shell_t*, int);
+extern void 		sh_lexskip(Lex_t*,int,int,int);
+extern void 		sh_syntax(Lex_t*);
+#if SHOPT_KIA
+    extern int                  kiaclose(Lex_t *);
+    extern unsigned long        kiaentity(Lex_t*, const char*,int,int,int,int,unsigned long,int,int,const char*);
+#endif /* SHOPT_KIA */
+
+
+#endif /* !NOTSYM */