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-rw-r--r--tools/perf/pmu-events/jsmn.c352
1 files changed, 0 insertions, 352 deletions
diff --git a/tools/perf/pmu-events/jsmn.c b/tools/perf/pmu-events/jsmn.c
deleted file mode 100644
index 831dc44c4558..000000000000
--- a/tools/perf/pmu-events/jsmn.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * Copyright (c) 2010 Serge A. Zaitsev
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * Slightly modified by AK to not assume 0 terminated input.
- */
-
-#include <stdlib.h>
-#include "jsmn.h"
-#define JSMN_STRICT
-
-/*
- * Allocates a fresh unused token from the token pool.
- */
-static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser,
- jsmntok_t *tokens, size_t num_tokens)
-{
- jsmntok_t *tok;
-
- if ((unsigned)parser->toknext >= num_tokens)
- return NULL;
- tok = &tokens[parser->toknext++];
- tok->start = tok->end = -1;
- tok->size = 0;
- return tok;
-}
-
-/*
- * Fills token type and boundaries.
- */
-static void jsmn_fill_token(jsmntok_t *token, jsmntype_t type,
- int start, int end)
-{
- token->type = type;
- token->start = start;
- token->end = end;
- token->size = 0;
-}
-
-/*
- * Fills next available token with JSON primitive.
- */
-static jsmnerr_t jsmn_parse_primitive(jsmn_parser *parser, const char *js,
- size_t len,
- jsmntok_t *tokens, size_t num_tokens)
-{
- jsmntok_t *token;
- int start;
-
- start = parser->pos;
-
- for (; parser->pos < len; parser->pos++) {
- switch (js[parser->pos]) {
-#ifndef JSMN_STRICT
- /*
- * In strict mode primitive must be followed by ","
- * or "}" or "]"
- */
- case ':':
-#endif
- case '\t':
- case '\r':
- case '\n':
- case ' ':
- case ',':
- case ']':
- case '}':
- goto found;
- default:
- break;
- }
- if (js[parser->pos] < 32 || js[parser->pos] >= 127) {
- parser->pos = start;
- return JSMN_ERROR_INVAL;
- }
- }
-#ifdef JSMN_STRICT
- /*
- * In strict mode primitive must be followed by a
- * comma/object/array.
- */
- parser->pos = start;
- return JSMN_ERROR_PART;
-#endif
-
-found:
- token = jsmn_alloc_token(parser, tokens, num_tokens);
- if (token == NULL) {
- parser->pos = start;
- return JSMN_ERROR_NOMEM;
- }
- jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos);
- parser->pos--; /* parent sees closing brackets */
- return JSMN_SUCCESS;
-}
-
-/*
- * Fills next token with JSON string.
- */
-static jsmnerr_t jsmn_parse_string(jsmn_parser *parser, const char *js,
- size_t len,
- jsmntok_t *tokens, size_t num_tokens)
-{
- jsmntok_t *token;
- int start = parser->pos;
-
- /* Skip starting quote */
- parser->pos++;
-
- for (; parser->pos < len; parser->pos++) {
- char c = js[parser->pos];
-
- /* Quote: end of string */
- if (c == '\"') {
- token = jsmn_alloc_token(parser, tokens, num_tokens);
- if (token == NULL) {
- parser->pos = start;
- return JSMN_ERROR_NOMEM;
- }
- jsmn_fill_token(token, JSMN_STRING, start+1,
- parser->pos);
- return JSMN_SUCCESS;
- }
-
- /* Backslash: Quoted symbol expected */
- if (c == '\\') {
- parser->pos++;
- switch (js[parser->pos]) {
- /* Allowed escaped symbols */
- case '\"':
- case '/':
- case '\\':
- case 'b':
- case 'f':
- case 'r':
- case 'n':
- case 't':
- break;
- /* Allows escaped symbol \uXXXX */
- case 'u':
- /* TODO */
- break;
- /* Unexpected symbol */
- default:
- parser->pos = start;
- return JSMN_ERROR_INVAL;
- }
- }
- }
- parser->pos = start;
- return JSMN_ERROR_PART;
-}
-
-/*
- * Parse JSON string and fill tokens.
- */
-jsmnerr_t jsmn_parse(jsmn_parser *parser, const char *js, size_t len,
- jsmntok_t *tokens, unsigned int num_tokens)
-{
- jsmnerr_t r;
- int i;
- jsmntok_t *token;
-#ifdef JSMN_STRICT
- /*
- * Keeps track of whether a new object/list/primitive is expected. New items are only
- * allowed after an opening brace, comma or colon. A closing brace after a comma is not
- * valid JSON.
- */
- int expecting_item = 1;
-#endif
-
- for (; parser->pos < len; parser->pos++) {
- char c;
- jsmntype_t type;
-
- c = js[parser->pos];
- switch (c) {
- case '{':
- case '[':
-#ifdef JSMN_STRICT
- if (!expecting_item)
- return JSMN_ERROR_INVAL;
-#endif
- token = jsmn_alloc_token(parser, tokens, num_tokens);
- if (token == NULL)
- return JSMN_ERROR_NOMEM;
- if (parser->toksuper != -1)
- tokens[parser->toksuper].size++;
- token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY);
- token->start = parser->pos;
- parser->toksuper = parser->toknext - 1;
- break;
- case '}':
- case ']':
-#ifdef JSMN_STRICT
- if (expecting_item)
- return JSMN_ERROR_INVAL;
-#endif
- type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY);
- for (i = parser->toknext - 1; i >= 0; i--) {
- token = &tokens[i];
- if (token->start != -1 && token->end == -1) {
- if (token->type != type)
- return JSMN_ERROR_INVAL;
- parser->toksuper = -1;
- token->end = parser->pos + 1;
- break;
- }
- }
- /* Error if unmatched closing bracket */
- if (i == -1)
- return JSMN_ERROR_INVAL;
- for (; i >= 0; i--) {
- token = &tokens[i];
- if (token->start != -1 && token->end == -1) {
- parser->toksuper = i;
- break;
- }
- }
- break;
- case '\"':
-#ifdef JSMN_STRICT
- if (!expecting_item)
- return JSMN_ERROR_INVAL;
- expecting_item = 0;
-#endif
- r = jsmn_parse_string(parser, js, len, tokens,
- num_tokens);
- if (r < 0)
- return r;
- if (parser->toksuper != -1)
- tokens[parser->toksuper].size++;
- break;
- case '\t':
- case '\r':
- case '\n':
- case ' ':
- break;
-#ifdef JSMN_STRICT
- case ':':
- case ',':
- if (expecting_item)
- return JSMN_ERROR_INVAL;
- expecting_item = 1;
- break;
- /*
- * In strict mode primitives are:
- * numbers and booleans.
- */
- case '-':
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- case 't':
- case 'f':
- case 'n':
-#else
- case ':':
- case ',':
- break;
- /*
- * In non-strict mode every unquoted value
- * is a primitive.
- */
- /*FALL THROUGH */
- default:
-#endif
-
-#ifdef JSMN_STRICT
- if (!expecting_item)
- return JSMN_ERROR_INVAL;
- expecting_item = 0;
-#endif
- r = jsmn_parse_primitive(parser, js, len, tokens,
- num_tokens);
- if (r < 0)
- return r;
- if (parser->toksuper != -1)
- tokens[parser->toksuper].size++;
- break;
-
-#ifdef JSMN_STRICT
- /* Unexpected char in strict mode */
- default:
- return JSMN_ERROR_INVAL;
-#endif
- }
- }
-
- for (i = parser->toknext - 1; i >= 0; i--) {
- /* Unmatched opened object or array */
- if (tokens[i].start != -1 && tokens[i].end == -1)
- return JSMN_ERROR_PART;
- }
-
-#ifdef JSMN_STRICT
- return expecting_item ? JSMN_ERROR_INVAL : JSMN_SUCCESS;
-#else
- return JSMN_SUCCESS;
-#endif
-}
-
-/*
- * Creates a new parser based over a given buffer with an array of tokens
- * available.
- */
-void jsmn_init(jsmn_parser *parser)
-{
- parser->pos = 0;
- parser->toknext = 0;
- parser->toksuper = -1;
-}
-
-const char *jsmn_strerror(jsmnerr_t err)
-{
- switch (err) {
- case JSMN_ERROR_NOMEM:
- return "No enough tokens";
- case JSMN_ERROR_INVAL:
- return "Invalid character inside JSON string";
- case JSMN_ERROR_PART:
- return "The string is not a full JSON packet, more bytes expected";
- case JSMN_SUCCESS:
- return "Success";
- default:
- return "Unknown json error";
- }
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.