ING_DB

WEGA/contrib/ingres/dbs/src/amx_cc/parser.h

@@ -0,0 +1,101 @@
+/*
+**	Compiler Definitions
+**
+**		contains the  global  structures and  variable
+**		declarations  needed by the  lexical analyzer.
+**		This includes  Manifest  constants and certain
+**		variables for internal communication purposes.
+**		Therefore,  extreme  care  should be exercised
+**		when modifying this file.
+**
+*/
+
+/* CHARACTER TYPES */
+# define	ALPHA		1
+# define	NUMBR		2
+# define	OPATR		3
+# define	PUNCT		4
+# define	CNTRL		5
+
+/* C-VAR SYMBOLS */
+# define	MAXCVAR		255
+# if L_ALIGN > 0
+# define	ODD		03
+# endif
+# if D_ALIGN > 0
+# define	ODD		07
+# endif
+# ifndef ODD
+# define	ODD		01
+# endif
+# define	NOTYPE		-1
+# define	C_VAR		-2
+# define	C_CONST		-4
+
+# define	opCHAR		0
+# define	opINT		1
+# define	opLONG		2
+# ifndef NO_F4
+# define	opFLT		3
+# endif
+# define	opDOUBLE	4
+# define	opSTRING	5
+
+# define	opAUTO		0
+# define	opSTATIC	1
+# define	opEXTERN	2
+
+extern char		*TYPE_SPEC[];
+extern char		*SC_SPEC[];
+extern char		*CONVERT[];
+
+/* SYMBOL TABLE ENTRY */
+struct s_entry
+{
+	struct s_entry	*nextsym;
+	double		symbl[1];
+};
+extern struct s_entry	*Symtab;
+
+/* C-VAR TABLE ENTRY */
+struct cvartbl
+{
+	int		vartype;
+	char		varname[MAXNAME + 1];
+};
+
+/* KEYWORD AND OPERATOR TABLE */
+struct optab
+{
+	char		*term;
+	int		token;
+	int		opcode;
+};
+typedef struct optab		OPTAB;
+
+extern struct optab	Optab[];	/* operator table		     */
+extern struct optab	Keyword[];	/* keyword table		     */
+extern int		Keyent;		/* # of entries in the Keyword table */
+
+/* SPECIAL TOKENS FOR SCANNER */
+struct special
+{
+	int		name;
+	int		sconst;
+	int		bgncmnt;
+	int		endcmnt;
+	int		iconst;
+	int		lconst;
+	int		rconst;
+};
+extern struct special	Tokens;		/* special tokens for scanner */
+
+/* DECLARATIONS */
+extern int		Newline;	/* flag to indicate line end	*/
+extern int		Line;		/* source line counter		*/
+extern int		Type_spec;	/* type of C-variable		*/
+extern int		Lcase;		/* UPPER->lower conversion flag */
+extern int		Compile;	/* FALSE for only compilation	*/
+extern int		Cvarindex;
+extern struct cvartbl	Cvartbl[];
+extern int		Type_spec;