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Diffstat (limited to 'tools/node_modules/expresso/deps/jscoverage/js/jsregexp.h')
| -rw-r--r-- | tools/node_modules/expresso/deps/jscoverage/js/jsregexp.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/tools/node_modules/expresso/deps/jscoverage/js/jsregexp.h b/tools/node_modules/expresso/deps/jscoverage/js/jsregexp.h new file mode 100644 index 0000000..12d74a3 --- /dev/null +++ b/tools/node_modules/expresso/deps/jscoverage/js/jsregexp.h @@ -0,0 +1,192 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef jsregexp_h___ +#define jsregexp_h___ +/* + * JS regular expression interface. + */ +#include <stddef.h> +#include "jspubtd.h" +#include "jsstr.h" + +#ifdef JS_THREADSAFE +#include "jsdhash.h" +#endif + +JS_BEGIN_EXTERN_C + +struct JSRegExpStatics { + JSString *input; /* input string to match (perl $_, GC root) */ + JSBool multiline; /* whether input contains newlines (perl $*) */ + uint16 parenCount; /* number of valid elements in parens[] */ + uint16 moreLength; /* number of allocated elements in moreParens */ + JSSubString parens[9]; /* last set of parens matched (perl $1, $2) */ + JSSubString *moreParens; /* null or realloc'd vector for $10, etc. */ + JSSubString lastMatch; /* last string matched (perl $&) */ + JSSubString lastParen; /* last paren matched (perl $+) */ + JSSubString leftContext; /* input to left of last match (perl $`) */ + JSSubString rightContext; /* input to right of last match (perl $') */ +}; + +/* + * This struct holds a bitmap representation of a class from a regexp. + * There's a list of these referenced by the classList field in the JSRegExp + * struct below. The initial state has startIndex set to the offset in the + * original regexp source of the beginning of the class contents. The first + * use of the class converts the source representation into a bitmap. + * + */ +typedef struct RECharSet { + JSPackedBool converted; + JSPackedBool sense; + uint16 length; + union { + uint8 *bits; + struct { + size_t startIndex; + size_t length; + } src; + } u; +} RECharSet; + +/* + * This macro is safe because moreParens is guaranteed to be allocated and big + * enough to hold parenCount, or else be null when parenCount is 0. + */ +#define REGEXP_PAREN_SUBSTRING(res, num) \ + (((jsuint)(num) < (jsuint)(res)->parenCount) \ + ? ((jsuint)(num) < 9) \ + ? &(res)->parens[num] \ + : &(res)->moreParens[(num) - 9] \ + : &js_EmptySubString) + +typedef struct RENode RENode; + +struct JSRegExp { + jsrefcount nrefs; /* reference count */ + uint16 flags; /* flags, see jsapi.h's JSREG_* defines */ + size_t parenCount; /* number of parenthesized submatches */ + size_t classCount; /* count [...] bitmaps */ + RECharSet *classList; /* list of [...] bitmaps */ + JSString *source; /* locked source string, sans // */ + jsbytecode program[1]; /* regular expression bytecode */ +}; + +extern JSRegExp * +js_NewRegExp(JSContext *cx, JSTokenStream *ts, + JSString *str, uintN flags, JSBool flat); + +extern JSRegExp * +js_NewRegExpOpt(JSContext *cx, JSString *str, JSString *opt, JSBool flat); + +#define HOLD_REGEXP(cx, re) JS_ATOMIC_INCREMENT(&(re)->nrefs) +#define DROP_REGEXP(cx, re) js_DestroyRegExp(cx, re) + +extern void +js_DestroyRegExp(JSContext *cx, JSRegExp *re); + +/* + * Execute re on input str at *indexp, returning null in *rval on mismatch. + * On match, return true if test is true, otherwise return an array object. + * Update *indexp and cx->regExpStatics always on match. + */ +extern JSBool +js_ExecuteRegExp(JSContext *cx, JSRegExp *re, JSString *str, size_t *indexp, + JSBool test, jsval *rval); + +/* + * These two add and remove GC roots, respectively, so their calls must be + * well-ordered. + */ +extern JSBool +js_InitRegExpStatics(JSContext *cx, JSRegExpStatics *res); + +extern void +js_FreeRegExpStatics(JSContext *cx, JSRegExpStatics *res); + +#define VALUE_IS_REGEXP(cx, v) \ + (JSVAL_IS_OBJECT(v) && JSVAL_TO_OBJECT(v) && \ + OBJ_GET_CLASS(cx, JSVAL_TO_OBJECT(v)) == &js_RegExpClass) + +extern JSClass js_RegExpClass; + +enum regexp_tinyid { + REGEXP_SOURCE = -1, + REGEXP_GLOBAL = -2, + REGEXP_IGNORE_CASE = -3, + REGEXP_LAST_INDEX = -4, + REGEXP_MULTILINE = -5, + REGEXP_STICKY = -6 +}; + +extern JSObject * +js_InitRegExpClass(JSContext *cx, JSObject *obj); + +/* + * Export js_regexp_toString to the decompiler. + */ +extern JSBool +js_regexp_toString(JSContext *cx, JSObject *obj, jsval *vp); + +/* + * Create, serialize/deserialize, or clone a RegExp object. + */ +extern JSObject * +js_NewRegExpObject(JSContext *cx, JSTokenStream *ts, + jschar *chars, size_t length, uintN flags); + +extern JSBool +js_XDRRegExp(JSXDRState *xdr, JSObject **objp); + +extern JSObject * +js_CloneRegExpObject(JSContext *cx, JSObject *obj, JSObject *parent); + +/* + * Get and set the per-object (clone or clone-parent) lastIndex slot. + */ +extern JSBool +js_GetLastIndex(JSContext *cx, JSObject *obj, jsdouble *lastIndex); + +extern JSBool +js_SetLastIndex(JSContext *cx, JSObject *obj, jsdouble lastIndex); + +JS_END_EXTERN_C + +#endif /* jsregexp_h___ */ |