149 lines
3.5 KiB
C
149 lines
3.5 KiB
C
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/*
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* Javascript normalizer.
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*
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* Copyright (C) 2013-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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* Copyright (C) 2008-2013 Sourcefire, Inc.
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*
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* Authors: Török Edvin
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#ifndef YYSTYPE
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enum token_type {
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TOK_FUTURE_RESERVED_WORD = 1,
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TOK_ERROR,
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TOK_IDENTIFIER_NAME,
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TOK_TRUE,
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TOK_FALSE,
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TOK_NULL,
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TOK_BRACKET_OPEN,
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TOK_BRACKET_CLOSE,
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TOK_COMMA,
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TOK_CURLY_BRACE_OPEN,
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TOK_CURLY_BRACE_CLOSE,
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TOK_PAR_OPEN,
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TOK_PAR_CLOSE,
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TOK_DOT,
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TOK_SEMICOLON,
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TOK_COLON,
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TOK_NEW,
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TOK_NumericInt,
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TOK_NumericFloat,
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TOK_StringLiteral,
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TOK_REGULAR_EXPRESSION_LITERAL,
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TOK_THIS,
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TOK_PLUSPLUS,
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TOK_MINUSMINUS,
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TOK_DELETE,
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TOK_VOID,
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TOK_TYPEOF,
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TOK_MINUS,
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TOK_TILDE,
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TOK_EXCLAMATION,
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TOK_MULTIPLY,
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TOK_DIVIDE,
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TOK_PERCENT,
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TOK_PLUS,
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TOK_SHIFT_LEFT,
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TOK_SHIFT_RIGHT,
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TOK_DOUBLESHIFT_RIGHT,
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TOK_LESS,
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TOK_GREATER,
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TOK_LESSEQUAL,
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TOK_GREATEREQUAL,
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TOK_INSTANCEOF,
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TOK_IN,
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TOK_EQUAL_EQUAL,
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TOK_NOT_EQUAL,
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TOK_TRIPLE_EQUAL,
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TOK_NOT_DOUBLEEQUAL,
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TOK_AND,
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TOK_XOR,
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TOK_OR,
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TOK_AND_AND,
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TOK_OR_OR,
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TOK_QUESTIONMARK,
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TOK_EQUAL,
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TOK_ASSIGNMENT_OPERATOR_NOEQUAL,
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TOK_VAR,
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TOK_IF,
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TOK_ELSE,
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TOK_DO,
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TOK_WHILE,
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TOK_FOR,
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TOK_CONTINUE,
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TOK_BREAK,
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TOK_RETURN,
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TOK_WITH,
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TOK_SWITCH,
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TOK_CASE,
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TOK_DEFAULT,
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TOK_THROW,
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TOK_TRY,
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TOK_CATCH,
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TOK_FINALLY,
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TOK_FUNCTION,
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TOK_UNNORM_IDENTIFIER
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};
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enum val_type {
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vtype_undefined,
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vtype_cstring,
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vtype_string,
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vtype_scope,
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vtype_dval,
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vtype_ival
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};
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typedef struct token {
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union {
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const char *cstring;
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char *string;
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struct scope *scope; /* for function */
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double dval;
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long ival;
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} val;
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enum token_type type;
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enum val_type vtype;
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} yystype;
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/* inline functions to access the structure to ensure type safety */
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#define TOKEN_SET(DST, VTYPE, VAL) \
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do { \
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(DST)->vtype = vtype_##VTYPE; \
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(DST)->val.VTYPE = (VAL); \
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} while (0);
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#define cstring_invalid NULL
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#define string_invalid NULL
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#define scope_invalid NULL
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/* there isn't really an invalid double, or long value, but we don't care
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* about those values anyway, so -1 will be fine here */
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#define dval_invalid -1
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#define ival_invalid -1
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/* compatible if same type, or if we request a const char* instead of char*,
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* but not viceversa! */
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static int vtype_compatible(enum val_type orig, enum val_type req)
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{
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return orig == req || (orig == vtype_string && req == vtype_cstring);
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}
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#define TOKEN_GET(SRC, VTYPE) (vtype_compatible((SRC)->vtype, vtype_##VTYPE) ? (SRC)->val.VTYPE : VTYPE##_invalid)
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#define YYSTYPE yystype
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#endif
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