lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | #ifndef _h_EJINTERNAL |
| 2 | #define _h_EJINTERNAL 1 |
| 3 | |
| 4 | #include <ctype.h> |
| 5 | #include <stdarg.h> |
| 6 | #include <stdlib.h> |
| 7 | |
| 8 | #ifdef CE |
| 9 | #ifndef UEMF |
| 10 | #include <io.h> |
| 11 | #endif |
| 12 | #endif |
| 13 | |
| 14 | #ifdef LYNX |
| 15 | #include <unistd.h> |
| 16 | #endif |
| 17 | |
| 18 | #ifdef QNX4 |
| 19 | #include <dirent.h> |
| 20 | #endif |
| 21 | |
| 22 | #ifdef UEMF |
| 23 | #include "uemf.h" |
| 24 | #else |
| 25 | #include <param.h> |
| 26 | #include <stat.h> |
| 27 | #include "basic/basicInternal.h" |
| 28 | #include "emf/emfInternal.h" |
| 29 | #endif |
| 30 | |
| 31 | #include "ej.h" |
| 32 | |
| 33 | #define EJ_OFFSET 1 |
| 34 | #define EJ_MAX_RECURSE 100 |
| 35 | |
| 36 | #define EJ_INC 110 |
| 37 | #define EJ_SCRIPT_INC 1023 |
| 38 | |
| 39 | |
| 40 | |
| 41 | #define TOK_ERR -1 |
| 42 | #define TOK_LPAREN 1 |
| 43 | #define TOK_RPAREN 2 |
| 44 | #define TOK_IF 3 |
| 45 | #define TOK_ELSE 4 |
| 46 | #define TOK_LBRACE 5 |
| 47 | #define TOK_RBRACE 6 |
| 48 | #define TOK_LOGICAL 7 |
| 49 | #define TOK_EXPR 8 |
| 50 | #define TOK_SEMI 9 |
| 51 | #define TOK_LITERAL 10 |
| 52 | #define TOK_FUNCTION 11 |
| 53 | #define TOK_NEWLINE 12 |
| 54 | #define TOK_ID 13 |
| 55 | #define TOK_EOF 14 |
| 56 | #define TOK_COMMA 15 |
| 57 | #define TOK_VAR 16 |
| 58 | #define TOK_ASSIGNMENT 17 |
| 59 | #define TOK_FOR 18 |
| 60 | #define TOK_INC_DEC 19 |
| 61 | #define TOK_RETURN 20 |
| 62 | |
| 63 | #define COND_AND 1 |
| 64 | #define COND_OR 2 |
| 65 | #define COND_NOT 3 |
| 66 | |
| 67 | #define EXPR_LESS 1 |
| 68 | #define EXPR_LESSEQ 2 |
| 69 | #define EXPR_GREATER 3 |
| 70 | #define EXPR_GREATEREQ 4 |
| 71 | #define EXPR_EQ 5 |
| 72 | #define EXPR_NOTEQ 6 |
| 73 | #define EXPR_PLUS 7 |
| 74 | #define EXPR_MINUS 8 |
| 75 | #define EXPR_DIV 9 |
| 76 | #define EXPR_MOD 10 |
| 77 | #define EXPR_LSHIFT 11 |
| 78 | #define EXPR_RSHIFT 12 |
| 79 | #define EXPR_MUL 13 |
| 80 | #define EXPR_ASSIGNMENT 14 |
| 81 | #define EXPR_INC 15 |
| 82 | #define EXPR_DEC 16 |
| 83 | #define EXPR_BOOL_COMP 17 |
| 84 | |
| 85 | |
| 86 | #define STATE_ERR -1 |
| 87 | #define STATE_EOF 1 |
| 88 | #define STATE_COND 2 |
| 89 | #define STATE_COND_DONE 3 |
| 90 | #define STATE_RELEXP 4 |
| 91 | #define STATE_RELEXP_DONE 5 |
| 92 | #define STATE_EXPR 6 |
| 93 | #define STATE_EXPR_DONE 7 |
| 94 | #define STATE_STMT 8 |
| 95 | #define STATE_STMT_DONE 9 |
| 96 | #define STATE_STMT_BLOCK_DONE 10 |
| 97 | #define STATE_ARG_LIST 11 |
| 98 | #define STATE_ARG_LIST_DONE 12 |
| 99 | #define STATE_DEC_LIST 16 |
| 100 | #define STATE_DEC_LIST_DONE 17 |
| 101 | #define STATE_DEC 18 |
| 102 | #define STATE_DEC_DONE 19 |
| 103 | #define STATE_RET 20 |
| 104 | #define STATE_BEGIN STATE_STMT |
| 105 | |
| 106 | #define FLAGS_EXE 0x1 |
| 107 | #define FLAGS_VARIABLES 0x2 |
| 108 | #define FLAGS_FUNCTIONS 0x4 |
| 109 | |
| 110 | |
| 111 | typedef struct { |
| 112 | char_t *fname; |
| 113 | char_t **args; |
| 114 | int nArgs; /* Number of args */ |
| 115 | } ejfunc_t; |
| 116 | |
| 117 | typedef struct ejEval { |
| 118 | ringq_t tokbuf; |
| 119 | ringq_t script; /* Input script for parsing */ |
| 120 | char_t *putBackToken; |
| 121 | int putBackTokenId; |
| 122 | char_t *line; |
| 123 | int lineLength; |
| 124 | int lineNumber; |
| 125 | int lineColumn; |
| 126 | } ejinput_t; |
| 127 | |
| 128 | typedef struct ej { |
| 129 | ejinput_t *input; |
| 130 | sym_fd_t functions; |
| 131 | sym_fd_t *variables; |
| 132 | int variableMax; |
| 133 | ejfunc_t *func; |
| 134 | char_t *result; |
| 135 | char_t *error; |
| 136 | char_t *token; |
| 137 | int tid; /* Current token id */ |
| 138 | int eid; /* Halloc handle */ |
| 139 | int flags; |
| 140 | int userHandle; /* User defined handle */ |
| 141 | } ej_t; |
| 142 | |
| 143 | extern int ejOpenBlock(int eid); |
| 144 | extern int ejCloseBlock(int eid, int vid); |
| 145 | extern char_t *ejEvalBlock(int eid, char_t *script, char_t **emsg); |
| 146 | #ifndef __NO_EJ_FILE |
| 147 | extern char_t *ejEvalFile(int eid, char_t *path, char_t **emsg); |
| 148 | #endif |
| 149 | extern int ejRemoveGlobalFunction(int eid, char_t *name); |
| 150 | extern void *ejGetGlobalFunction(int eid, char_t *name); |
| 151 | extern int ejSetGlobalFunctionDirect(sym_fd_t functions, char_t *name, |
| 152 | int (*fn)(int eid, void *handle, int argc, char_t **argv)); |
| 153 | extern void ejError(ej_t* ep, char_t* fmt, ...); |
| 154 | extern void ejSetUserHandle(int eid, int handle); |
| 155 | extern int ejGetUserHandle(int eid); |
| 156 | extern int ejGetLineNumber(int eid); |
| 157 | extern char_t *ejGetResult(int eid); |
| 158 | extern void ejSetLocalVar(int eid, char_t *var, char_t *value); |
| 159 | extern void ejSetGlobalVar(int eid, char_t *var, char_t *value); |
| 160 | |
| 161 | extern int ejLexOpen(ej_t* ep); |
| 162 | extern void ejLexClose(ej_t* ep); |
| 163 | extern int ejLexOpenScript(ej_t* ep, char_t *script); |
| 164 | extern void ejLexCloseScript(ej_t* ep); |
| 165 | extern void ejLexSaveInputState(ej_t* ep, ejinput_t* state); |
| 166 | extern void ejLexFreeInputState(ej_t* ep, ejinput_t* state); |
| 167 | extern void ejLexRestoreInputState(ej_t* ep, ejinput_t* state); |
| 168 | extern int ejLexGetToken(ej_t* ep, int state); |
| 169 | extern void ejLexPutbackToken(ej_t* ep, int tid, char_t *string); |
| 170 | |
| 171 | extern int ejEmfDbRead(int eid, void *handle, int argc, char_t **argv); |
| 172 | extern int ejEmfDbReadKeyed(int eid, void *handle, int argc, char_t **argv); |
| 173 | extern int ejEmfDbTableGetNrow(int eid, void *handle, int argc, char_t **argv); |
| 174 | extern int ejEmfDbDeleteRow(int eid, void *handle, int argc, char_t **argv); |
| 175 | extern int ejEmfTrace(int eid, void *handle, int argc, char_t **argv); |
| 176 | extern int ejEmfDbWrite(int eid, void *handle, int argc, char_t **argv); |
| 177 | extern int ejEmfDbCollectTable(int eid, void *handle, int argc, char_t **argv); |
| 178 | |
| 179 | extern sym_fd_t ejGetVariableTable(int eid); |
| 180 | extern sym_fd_t ejGetFunctionTable(int eid); |
| 181 | |
| 182 | extern int ejEmfOpen(int eid); |
| 183 | extern void ejEmfClose(int eid); |
| 184 | #endif /* _h_EJINTERNAL */ |
| 185 | |