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Diffstat (limited to 'c/src/libnetworking/rtems_webserver/ej.h')
-rw-r--r--c/src/libnetworking/rtems_webserver/ej.h200
1 files changed, 9 insertions, 191 deletions
diff --git a/c/src/libnetworking/rtems_webserver/ej.h b/c/src/libnetworking/rtems_webserver/ej.h
index 91eb72a4d2..fa7a51a771 100644
--- a/c/src/libnetworking/rtems_webserver/ej.h
+++ b/c/src/libnetworking/rtems_webserver/ej.h
@@ -1,7 +1,7 @@
/*
* ej.h -- Ejscript(TM) header
*
- * Copyright (c) Go Ahead Software, Inc., 1992-1999
+ * Copyright (c) GoAhead Software Inc., 1992-2000. All Rights Reserved.
*
* See the file "license.txt" for information on usage and redistribution
*/
@@ -12,214 +12,32 @@
/******************************** Description *********************************/
/*
- * Go Ahead Ejscript(TM) header. This defines the Ejscript API and internal
+ * GoAhead Ejscript(TM) header. This defines the Ejscript API and internal
* structures.
*/
/********************************* Includes ***********************************/
-#include <ctype.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#ifndef CE
- #include <fcntl.h>
-#endif
-
-#if LYNX
- #include <unistd.h>
-#endif
-
-#ifdef QNX4
- #include <dirent.h>
-#endif
-
-#if UEMF
- #include "uemf.h"
-#else
- #include <param.h>
- #include <stat.h>
- #include "basic/basicInternal.h"
+#if ! UEMF
+ #include "basic/basic.h"
#include "emf/emf.h"
- #include "webs/webs.h"
+#else
+ #include "uemf.h"
#endif
/********************************** Defines ***********************************/
-/*
- * Constants
- */
-#define EJ_INC 110 /* Growth for tags/tokens */
-#define EJ_OFFSET 1 /* hAlloc doesn't like 0 entries */
-#define EJ_MAX_RECURSE 100 /* Sanity for maximum recursion */
-
-/*
- * Ejscript Lexical analyser tokens
- */
-#define TOK_ERR -1 /* Any error */
-#define TOK_LPAREN 1 /* ( */
-#define TOK_RPAREN 2 /* ) */
-#define TOK_IF 3 /* if */
-#define TOK_ELSE 4 /* else */
-#define TOK_LBRACE 5 /* { */
-#define TOK_RBRACE 6 /* } */
-#define TOK_LOGICAL 7 /* ||, &&, ! */
-#define TOK_EXPR 8 /* +, -, /, % */
-#define TOK_SEMI 9 /* ; */
-#define TOK_LITERAL 10 /* literal string */
-#define TOK_FUNCTION 11 /* function name */
-#define TOK_NEWLINE 12 /* newline white space */
-#define TOK_ID 13 /* function name */
-#define TOK_EOF 14 /* End of script */
-#define TOK_COMMA 15 /* Comma */
-#define TOK_VAR 16 /* var */
-#define TOK_ASSIGNMENT 17 /* = */
-#define TOK_FOR 18 /* for */
-#define TOK_INC_DEC 19 /* ++, -- */
-#define TOK_RETURN 20 /* return */
-
-/*
- * Expression operators
- */
-#define EXPR_LESS 1 /* < */
-#define EXPR_LESSEQ 2 /* <= */
-#define EXPR_GREATER 3 /* > */
-#define EXPR_GREATEREQ 4 /* >= */
-#define EXPR_EQ 5 /* == */
-#define EXPR_NOTEQ 6 /* != */
-#define EXPR_PLUS 7 /* + */
-#define EXPR_MINUS 8 /* - */
-#define EXPR_DIV 9 /* / */
-#define EXPR_MOD 10 /* % */
-#define EXPR_LSHIFT 11 /* << */
-#define EXPR_RSHIFT 12 /* >> */
-#define EXPR_MUL 13 /* * */
-#define EXPR_ASSIGNMENT 14 /* = */
-#define EXPR_INC 15 /* ++ */
-#define EXPR_DEC 16 /* -- */
-
-/*
- * Conditional operators
- */
-#define COND_AND 1 /* && */
-#define COND_OR 2 /* || */
-#define COND_NOT 3 /* ! */
-
-/*
- * States
- */
-#define STATE_ERR -1 /* Error state */
-#define STATE_EOF 1 /* End of file */
-#define STATE_COND 2 /* Parsing a "(conditional)" stmt */
-#define STATE_COND_DONE 3
-#define STATE_RELEXP 4 /* Parsing a relational expr */
-#define STATE_RELEXP_DONE 5
-#define STATE_EXPR 6 /* Parsing an expression */
-#define STATE_EXPR_DONE 7
-#define STATE_STMT 8 /* Parsing General statement */
-#define STATE_STMT_DONE 9
-#define STATE_STMT_BLOCK_DONE 10 /* End of block "}" */
-#define STATE_ARG_LIST 11 /* Function arg list */
-#define STATE_ARG_LIST_DONE 12
-#define STATE_DEC_LIST 16 /* Declaration list */
-#define STATE_DEC_LIST_DONE 17
-#define STATE_DEC 18
-#define STATE_DEC_DONE 19
-#define STATE_BEGIN STATE_STMT
-
-/*
- * Flags. Used in ej_t and as parameter to parse()
- */
-#define FLAGS_EXE 0x1 /* Execute statements */
-#define FLAGS_VARIABLES 0x2 /* Allocated variables store */
-#define FLAGS_FUNCTIONS 0x4 /* Allocated function store */
-
-/*
- * Function call structure
- */
-typedef struct {
- char_t *fname; /* Function name */
- char_t **args; /* Args for function (halloc) */
- int nArgs; /* Number of args */
-} ejfunc_t;
-
-/*
- * EJ evaluation block structure
- */
-typedef struct ejEval {
- ringq_t tokbuf; /* Current token */
- ringq_t script; /* Input script for parsing */
- char_t *putBackToken; /* Putback token string */
- int putBackTokenId; /* Putback token ID */
- char_t *line; /* Current line */
- int lineLength; /* Current line length */
- int lineNumber; /* Parse line number */
- int lineColumn; /* Column in line */
-} ejinput_t;
-
-/*
- * Per Ejscript session structure
- */
-typedef struct ej {
- ejinput_t *input; /* Input evaluation block */
- sym_fd_t functions; /* Symbol table for functions */
- sym_fd_t *variables; /* hAlloc list of variables */
- int variableMax; /* Number of entries */
- ejfunc_t *func; /* Current function */
- char_t *result; /* Current expression result */
- char_t *error; /* Error message */
- char_t *token; /* Pointer to token string */
- int tid; /* Current token id */
- int eid; /* Halloc handle */
- int flags; /* Flags */
- int userHandle; /* User defined handle */
-} ej_t;
/******************************** Prototypes **********************************/
+extern int ejArgs(int argc, char_t **argv, char_t *fmt, ...);
+extern void ejSetResult(int eid, char_t *s);
extern int ejOpenEngine(sym_fd_t variables, sym_fd_t functions);
extern void ejCloseEngine(int eid);
-extern int ejOpenBlock(int eid);
-extern int ejCloseBlock(int eid, int vid);
-extern char_t *ejEval(int eid, char_t *script, char_t **emsg);
-extern char_t *ejEvalBlock(int eid, char_t *script, char_t **emsg);
-extern char_t *ejEvalFile(int eid, char_t *path, char_t **emsg);
extern int ejSetGlobalFunction(int eid, char_t *name,
int (*fn)(int eid, void *handle, int argc, char_t **argv));
-extern void *ejGetGlobalFunction(int eid, char_t *name);
-extern int ejSetGlobalFunctionDirect(sym_fd_t functions, char_t *name,
- int (*fn)(int eid, void *handle, int argc, char_t **argv));
-extern int ejArgs(int argc, char_t **argv, char_t *fmt, ...);
-extern void ejError(ej_t* ep, char_t* fmt, ...);
-extern void ejSetUserHandle(int eid, int handle);
-extern int ejGetUserHandle(int eid);
-extern int ejGetLineNumber(int eid);
-extern void ejSetResult(int eid, char_t *s);
-extern char_t *ejGetResult(int eid);
extern void ejSetVar(int eid, char_t *var, char_t *value);
-extern void ejSetLocalVar(int eid, char_t *var, char_t *value);
extern int ejGetVar(int eid, char_t *var, char_t **value);
-extern void ejSetGlobalVar(int eid, char_t *var, char_t *value);
-
-extern int ejLexOpen(ej_t* ep);
-extern void ejLexClose(ej_t* ep);
-extern int ejLexOpenScript(ej_t* ep, char_t *script);
-extern void ejLexCloseScript(ej_t* ep);
-extern void ejLexSaveInputState(ej_t* ep, ejinput_t* state);
-extern void ejLexFreeInputState(ej_t* ep, ejinput_t* state);
-extern void ejLexRestoreInputState(ej_t* ep, ejinput_t* state);
-extern int ejLexGetToken(ej_t* ep, int state);
-extern void ejLexPutbackToken(ej_t* ep, int tid, char_t *string);
-
-extern sym_fd_t ejGetVariableTable(int eid);
-extern sym_fd_t ejGetFunctionTable(int eid);
-
-extern int ejEmfOpen(int eid);
-extern void ejEmfClose(int eid);
-
-extern int ejEmfDbRead(int eid, void *handle, int argc, char_t **argv);
-extern int ejEmfDbReadKeyed(int eid, void *handle, int argc, char_t **argv);
-extern int ejEmfDbTableGetNrow(int eid, void *handle, int argc, char_t **argv);
-extern int ejEmfTrace(int eid, void *handle, int argc, char_t **argv);
-extern int ejEmfDbWrite(int eid, void *handle, int argc, char_t **argv);
+extern char_t *ejEval(int eid, char_t *script, char_t **emsg);
#endif /* _h_EJ */
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