Exemplo n.º 1
0
jsgf_t *
jsgf_parse_string(const char *string, jsgf_t * parent)
{
    yyscan_t yyscanner;
    jsgf_t *jsgf;
    int yyrv;
    YY_BUFFER_STATE buf;

    yylex_init(&yyscanner);
    buf = yy_scan_string(string, yyscanner);

    jsgf = jsgf_grammar_new(parent);
    if (!parent)
        jsgf_set_search_path(jsgf, NULL);

    yyrv = yyparse(yyscanner, jsgf);
    if (yyrv != 0) {
        E_ERROR("Failed to parse JSGF grammar from input string\n");
        jsgf_grammar_free(jsgf);
        yy_delete_buffer(buf, yyscanner);
        yylex_destroy(yyscanner);
        return NULL;
    }
    yy_delete_buffer(buf, yyscanner);
    yylex_destroy(yyscanner);

    return jsgf;
}
Exemplo n.º 2
0
jsgf_t *
jsgf_parse_file(const char *filename, jsgf_t *parent)
{
    yyscan_t yyscanner;
    jsgf_t *jsgf;
    int yyrv;
    FILE *in = NULL;

    yylex_init(&yyscanner);
    if (filename == NULL) {
        yyset_in(stdin, yyscanner);
    }
    else {
        in = fopen(filename, "r");
        if (in == NULL) {
            E_ERROR_SYSTEM("Failed to open %s for parsing", filename);
            return NULL;
        }
        yyset_in(in, yyscanner);
    }

    jsgf = jsgf_grammar_new(parent);
    yyrv = yyparse(yyscanner, jsgf);
    if (yyrv != 0) {
        E_ERROR("Failed to parse JSGF grammar from '%s'\n", filename ? filename : "(stdin)");
        jsgf_grammar_free(jsgf);
        yylex_destroy(yyscanner);
        return NULL;
    }
    if (in)
        fclose(in);
    yylex_destroy(yyscanner);

    return jsgf;
}
Exemplo n.º 3
0
int create_graph(FILE* input)
{
	yylex_destroy();
	__click_modules = alloc_resource(sizeof(List));
	__click_symbol_table = alloc_resource(sizeof(Map));
	__click_edges = alloc_resource(sizeof(List));
	init_list(__click_modules);
	init_map(__click_symbol_table);
	init_list(__click_edges);

	yyset_in(input);
	int ret = yyparse();
	yylex_destroy();

	int k;
	for(k=0; k<__click_modules->len; k++)
	{
		Node* node = (Node*)__click_modules->list[k];
		assert(node->type == Node_MODULE);
		Module* module = (Module*)node->payload;
		printf("%s::\t", module->name->payload);
		ArgList* arglist = (ArgList*)module->args->payload;
		int j;
		for(j=0; j<arglist->len; j++)
		{
			Node* eacharg = (Node*)arglist->list[j];
			if(eacharg == NULL)
			{
				printf("NULL ");
			}
			else if(eacharg->type == Node_VALUE_LIST)
			{
				ValueList* valuelist = (ValueList*)eacharg->payload;
				int i;
				for(i=0; i<valuelist->len; i++)
				{
					Node* eachval = (Node*)valuelist->list[i];
					printf("%s ", eachval->payload);
				}
				printf(", ");
			}
			else
			{
				assert(0);
			}

		}
		printf("\n");
	}

	clear_resource();
	__click_modules = 0;
	__click_symbol_table = 0;
	__click_edges = 0;

	return ret;
}
Exemplo n.º 4
0
int main(int argc, char *argv[])
{
    /* instantiate and init calculator data */
    CalcData calc_data;

    if (yylex_init(&calc_data.scaninfo))
    {
        fprintf(stderr, "Fail initing scanner\n");
        return(EXIT_FAILURE);
    }

    calc_data.symt = new SymbolTable;

    /* set up input stream */
    yyset_in(stdin, calc_data.scaninfo);

    /* call the parser */
    printf("> "); fflush(stdout);
    int ret;
    while ((ret=yyparse(&calc_data)) != 0)
    {
        printf("  = %g\n", calc_data.ast->eval());
        printf("> "); fflush(stdout);
    }
    printf("\n");

    /* clean up and quit */
    yylex_destroy(calc_data.scaninfo);
    delete calc_data.ast;
    delete calc_data.symt;
    return 0;
}
Exemplo n.º 5
0
void fsqlf_format_bytes(fsqlf_kwmap_t kwmap,
    const char *bytes_in, int len, char **bytes_out
)
{
    struct fsqlf_formatter_state f_state;
    FSQLF_stack_init(&f_state.lexstate_stack, sizeof(int));
    FSQLF_stack_init(&f_state.sub_openings, sizeof(pair));
    FSQLF_tokque_init(&f_state.tqueue);
    f_state.currindent = 0;
    f_state.left_p = 0;
    f_state.right_p = 0;
    f_state.kwall = kwmap;
    f_state.bout.len_used = 0;
    f_state.bout.len_alloc = len * 1.5;
    f_state.bout.buffer = malloc(f_state.bout.len_alloc);

    yyscan_t scanner;
    yylex_init(&scanner);
    yy_scan_bytes(bytes_in, len, scanner);
    yyset_extra(&f_state, scanner);

    yylex(scanner);
    *bytes_out = f_state.bout.buffer;

    yylex_destroy(scanner);
}
Exemplo n.º 6
0
/**
 * @function    runCommand
 *
 * @abstract    Parses and executes a command given a NULL terminated string.
 * @discussion  Parses the command and adds it to the history if it is
 *              nontrivial.
 *
 * @param       cmd_buffer      Pointer to NULL terminated string containing
 *                              the user input.
 * @result      Returns nothing, but runs a command, most likely printing to
 *              the terminal.
 */
void runCommand(char* cmd_buffer) {
    Command *command = NULL;
    yyscan_t scanner;
    YY_BUFFER_STATE state;

    // Check if there is anything in the line.  It is useless to store
    // a history of empty lines.  If it is not empty, then add it to our
    // history.  Also don't want to record line rerun calls.
    if ((cmd_buffer[0] != 0) && (cmd_buffer[0] != '!')) {
        add_history(cmd_buffer);
    }

    state = yy_scan_string(cmd_buffer);

    if (yyparse(&command, scanner)) {
        printf("Error in parsing command.\n");
        deleteCommand(command);
        return;
    }

    executeCommand(command, -1);
    deleteCommand(command);

    // Wait on all child processes
    while (wait(NULL) > 0) {}

    yy_delete_buffer(state);

    yylex_destroy();

    return;
}
Exemplo n.º 7
0
int source_parse_file(source *src, const char *filename, const char *modname)
{
  YY_BUFFER_STATE bufstate;
  int r;

  if (NULL == (yyin = fopen(filename,"r"))) {
    perror(filename);
    return -1;
  }

  yyfilename = filename;
  yyfileno = add_parsedfile(src,filename);    ////yyfileno is the index in the src->parsedfiles
  yylloc.first_line = 1;

  bufstate = yy_create_buffer(yyin,YY_BUF_SIZE);
  yy_switch_to_buffer(bufstate);
  parse_src = src;
  parse_modname = modname ? modname : "";
  r = yyparse();
  yy_delete_buffer(bufstate);
#if HAVE_YYLEX_DESTROY
  yylex_destroy();
#endif

  if (yyin)
    fclose(yyin);

  return r;
}
Exemplo n.º 8
0
ltl_formula *
getAST (const char *input)
{
  ltl_formula *formula;
  yyscan_t scanner;
  YY_BUFFER_STATE state;

  if (yylex_init (&scanner))
    {
      // couldn't initialize
      return NULL;
    }

  state = yy_scan_string (input, scanner);
  if (yyparse (&formula, scanner))
    {
      // error parsing
      return NULL;
    }

  yy_delete_buffer (state, scanner);
  yylex_destroy (scanner);

  return formula;
}
Exemplo n.º 9
0
int main( int argc, const char *argv[] ) {
    void *scanner;

    FILE *input;
    if( argc >= 2 ) input = fopen( argv[1], "r" );
    else            input = stdin;

    if( input == NULL ) {
        perror( "cannot open input file" );
        exit( 1 );
    }

    if( argc >= 3 )  {
        mkparent( argv[2] );
        FILE *res = freopen( argv[2], "w", stdout );
        if( res == NULL ) {
            perror( "cannot open output file" );
            exit( 1 );
        }
    }

    yylex_init( &scanner );
    yyset_in( input, scanner );
    yyparse( scanner );
    yylex_destroy( scanner );

    exit(0);
}
Exemplo n.º 10
0
range* do_range_expand(range_request* rr, const char* text)
{
    yyscan_t scanner;
    struct range_extras extra;
    int result;

    if (text == NULL) {
        range* r = range_new(rr);
        range_request_set(rr, r);
        return r;
    }
    current_rr = rr;
    extra.rr = rr;

    yylex_init(&scanner);
    yyset_extra(&extra, scanner);
    yy_scan_string(text, scanner);
    result = yyparse(scanner);
    yylex_destroy(scanner);
    current_rr = NULL;

    if (result != 0) {
        range* r = range_new(rr);
        range_request_warn(rr, "parsing [%s]", text);
        range_request_set(rr, r);
        return r;
    }

    range_request_set(rr, range_evaluate(rr, extra.theast));
    return range_request_results(rr);
}
Exemplo n.º 11
0
bool InteractiveParser::parse(FILE *file, const std::string *filename, parser::ProgramNode &programStmts, stmtFunction callback) const {
    yydebug = DEBUG_PARSER;

    yyscan_t scanner;
    yylex_init(&scanner);

    bool interactive = (stdin == file);
#ifndef OS_WINDOWS
    interactive = interactive && (isatty(fileno(file)) == 1);
#endif
    yyset_debug(DEBUG_LEXER, scanner);

    LexerContext lexerCtx(&programStmts, filename, interactive, callback);
    yylex_init_extra(&lexerCtx, &scanner);
    lexerCtx.scanner = scanner;
    lexerCtx.interactive = interactive;
#ifndef OS_WINDOWS
    if(stdin == file){
        rl_instream = stdin;
    }
#endif
    if(interactive){
        std::cout << "Welcome to the sugar interactive shell" << std::endl;
        std::cout << "Use 'quit' or 'exit' to quit this shell" << std::endl;
    }

    yy_push_state(lex_state_newline, scanner);
    yyset_in( file, scanner );
    bool succeed = (yyparse(&lexerCtx) == 0);

    yylex_destroy(scanner);
    fclose(file);
    return succeed && (interactive || !lexerCtx.hasError);
}
Exemplo n.º 12
0
int read_config(const char * file)
{
    FILE * f;

    f = fopen(file, "r");
    if (f == NULL) {
        fprintf(stderr, "%s: can't open config file \"%s\": %s\n",
                progname, file, strerror(errno));
        return -1;
    }

    lineno = 1;
    infile = file;
    yyin   = f;

    yyparse();

#ifdef HAVE_YYLEX_DESTROY
    /* reset lexer and free any allocated memory */
    yylex_destroy();
#endif

    fclose(f);

    return 0;
}
Exemplo n.º 13
0
vcx_ast_module*
vcx_parser_parse_file(const char* filename)
{
    vcx_parse_ctx ctx;
    int r;
    FILE* stream;

    stream = fopen(filename, "r");
    if (stream == NULL) {
        vcx_util_errorf("could not open source file: %s", filename);
        return NULL;
    }

    yylex_init(&ctx.scanner);
    yyset_extra(&ctx, ctx.scanner);
    yyset_in(stream, ctx.scanner);
    r = yyparse(&ctx);
    yylex_destroy(ctx.scanner);
    fclose(stream);

    if (r == 0) {
        return ctx.root;
    }
    else {
        vcx_ast_module_delete(ctx.root);
        return NULL;
    }
}
Exemplo n.º 14
0
Chunk *make(char *file) {
    // TODO - make non-global
    filename = file;

    FILE *fp = fopen(file, "r");

    if (!fp) {
        printf("Could not open input file '%s'.\n", file);
        exit(EXIT_FAILURE);
    }

    yyin = fp;
    yyparse();
    yylex_destroy();
    fclose(fp);

    resolve(program);

    if (numerrors > 0) {
        exit(EXIT_FAILURE);
    }

    Chunk *chunk = compile(program);
    free_expr(program);

    return chunk;
}
Exemplo n.º 15
0
/* Compile a string */
void compile_string(compiler_type *comp_void, char *str, bool include_baselib) {
  compiler_core_type *compiler = (compiler_core_type *)comp_void;
  ins_stream_type *baselib = 0; /* TODO: should be gc root */
  char path[PATH_MAX];

  /* Actually parse the input stream. */
  yylex_init_extra(compiler, &(compiler->scanner));
  yy_scan_string(str, compiler->scanner);

  /* TODO: Need a better way to handle GC than leaking */
  gc_protect(compiler->gc);

  /* Inject include for base library */
  if (include_baselib) {
    strcpy(path, compiler->home);
    strcat(path, "/lib/baselib.scm");

    STREAM_NEW(baselib, string, path);
    setup_include(compiler, baselib); 
  }
  
  parse_internal(compiler, compiler->scanner);
  
  gc_unprotect(compiler->gc);

  yylex_destroy(compiler->scanner);
}
Exemplo n.º 16
0
void ESDLcompiler::Process()
{
    CriticalBlock block(m_critSect);

    yyInitESDLGlobals(this);
    Owned<IException> parseException;
    yyrestart (yyin);
    try
    {
        yyparse();
    }
    catch(IException* e)
    {
        parseException.setown(e);
    }
    if (nCommentStartLine > -1)
    {
        char tempBuf[256];
        sprintf(tempBuf, "The comment that started at line %d is not ended yet", nCommentStartLine);
        yyerror(tempBuf);
    }
    if(!parseException)
        write_esxdl();

    fclose(yyin);
    if (gOutfile > 0)
        close (gOutfile);

    yyCleanupESDLGlobals();
    yylex_destroy();

    if(parseException)
        throw parseException.getLink();
}
Exemplo n.º 17
0
static void cleanup(void)
{
    ir_destroy();
    node_destroy(root);
    stack_destroy(&stack);
    yylex_destroy();
}
Exemplo n.º 18
0
int main(int argc, char const *argv[]) {
  if(argc!=2){
    printf("USAGE: %s FILE\n", argv[0]);
    return EXIT_FAILURE;
  }
  FILE* f = fopen(argv[1], "r");
  if(!f){
    perror("Failed to open file: ");
    return EXIT_FAILURE;
  }
  atexit(clean_matrix);
  yyin = f;
  yyparse();
  fclose(f);
  yylex_destroy();
  build_starts();
  link_matrix();
  struct MATRIX *matrix = get_matrix();
  int result = forkx(matrix);
  free(matrix);
  if(!result){
    wait_for_children();
  }
  return EXIT_SUCCESS;
}
Exemplo n.º 19
0
/* Does the action for the -test command */
int do_test (int argc, const char ** argv) {

  int i, val, size = 0;
  char * buffer;
  
  for (i=0; i<argc; i++) size += strlen(argv[i]) + 1;
  buffer = (char*) malloc(sizeof(char) * size);

  strcpy(buffer, argv[0]);
  for (i=1; i<argc; i++) {
    strcat(buffer, " ");
    strcat(buffer, argv[i]);
  }
  
  yy_scan_string(buffer);
  yylex();


  yyparse ();

  if (result == NULL) return;

  val = eval(result);

  /* printf("%d\n", val); */

  free_ast(result);
  free(buffer);
  yylex_destroy();

  return val;
}
Exemplo n.º 20
0
Arquivo: Main.c Projeto: Winter-M/Trot
pt_node *buildAST(const char *expr) {
	extern int yyparse(pt_node **, yyscan_t);

	FILE *file;
	yyscan_t scanner;
	pt_node *node = NULL;
	YY_BUFFER_STATE state;

	if(yylex_init(&scanner)) {
		fprintf(stderr, "Failed to initialize parser.\n");
		exit(-1);
	}

	file = fopen(expr, "r");
	if(file == NULL) {
		perror("fopen");
		exit(-1);
	}

	state = yy_create_buffer(file, 1024, scanner);
	yy_switch_to_buffer(state, scanner);

	if(yyparse(&node, scanner)) {
		fprintf(stderr, "Error parsing input.\n");
		exit(-1);
	}

	yy_delete_buffer(state, scanner);
	yylex_destroy(scanner);

	return node;
}
Exemplo n.º 21
0
int como_ast_create(const char *filename)
{
    ast_node* statements;
    yyscan_t scanner;
    YY_BUFFER_STATE state;
    char* text;

    text = file_get_contents(filename);

    if(!text) {
        printf("file '%s' not found\n", filename);
        return 1;
    }
    
    if(yylex_init(&scanner)) {
        como_error_noreturn("yylex_init returned NULL");
    }

    state = yy_scan_string(text, scanner);

    if(yyparse(&statements, scanner)) {
        como_error_noreturn("yyparse returned NULL");
    }

    yy_delete_buffer(state, scanner);

    yylex_destroy(scanner);

    como_compile_ast(statements, filename);

    return 0;
}
Exemplo n.º 22
0
int
main ( int argc, char **argv )
{
    outputStage = 12;

    options ( argc, argv );

    /* In order to only scan the tokens we call yylex() directly */
    if ( outputStage == 1 ) {
        do { } while ( yylex() ); // "Token files"
        exit(0);
    }

    /* The parser calls yylex(), match the rules and builds the abstract syntax tree */
    // "BuildTree files"
    yyparse();
    if ( outputStage == 2 ) {
        exit(0); // Exit if we are only printing this stages debug information. "BuildTree files"
    }

    /* Print the abstract syntax tree */
    if ( outputStage == 3 ) {
        node_print ( stderr, root, 0 ); // "Tree files"
        exit(0);
    }

    destroy_subtree ( stderr, root );


    yylex_destroy(); // Free internal data structures of the scanner.

    exit ( EXIT_SUCCESS );
}
Exemplo n.º 23
0
ModuleNode *getAST(const char *expr)
{
    ModuleNode *expression;
    yyscan_t scanner;
    YY_BUFFER_STATE state;

    if (yylex_init(&scanner)) {
        // couldn't initialize
        return NULL;
    }

    state = yy_scan_string(expr, scanner);

    yydebug = 0;
    if (yyparse(&expression, scanner)) {
        // error parsing
        return NULL;
    }

    yy_delete_buffer(state, scanner);

    yylex_destroy(scanner);

    return expression;
}
Exemplo n.º 24
0
void Equation::save(QXmlStreamWriter &s) {
  s.writeStartElement(staticTypeTag);
  // Reparse the equation, then write it back out in text so that we can update
  // any vectors or scalars that had name changes, but we don't get affected by
  // the optimizer
  if (!_equation.isEmpty()) {
    QMutexLocker ml(&Equations::mutex());
    yylex_destroy();
    yy_scan_string(parseableEquation());
    ParsedEquation = 0L;
    int rc = yyparse(store());
    Equations::Node *en = static_cast<Equations::Node*>(ParsedEquation);
    if (rc == 0 && en) {
      if (!en->takeVectors(VectorsUsed)) {
        Debug::self()->log(i18n("Equation [%1] failed to find its vectors when saving.  Resulting Kst file may have issues.").arg(_equation), Debug::Warning);
      }
      QString etext = en->text();
      s.writeAttribute("expression", etext);
    }
    delete en;
    ParsedEquation = 0L;
  }

  if (_xInVector) {
    s.writeAttribute("xvector", _xInVector->Name());
  }
  if (_doInterp) {
    s.writeAttribute("interpolate", "true");
  }
  saveNameInfo(s, VNUM|ENUM|XNUM);
  s.writeEndElement();
}
Exemplo n.º 25
0
const QString Equation::reparsedEquation() const {
  QString etext;

  if (!_equation.isEmpty()) {
    if (!Equations::mutex().tryLock()) {
      qDebug() << "Don't reparse equation while it is being reparsed...";
      return (_equation);
    }

    yylex_destroy();
    yy_scan_string(parseableEquation());
    ParsedEquation = 0L;
    int rc = yyparse(store());
    Equations::Node *en = static_cast<Equations::Node*>(ParsedEquation);
    if (rc == 0 && en) {
      if (!en->takeVectors(VectorsUsed)) {
        Debug::self()->log(i18n("Equation [%1] failed to find its vectors when reparsing.").arg(_equation), Debug::Warning);
      }
      etext = en->text();
    }
    delete en;
    ParsedEquation = 0L;
    Equations::mutex().unlock();
    //etext.replace("atanx(", "atan2(");
    //etext.replace("atanxd(", "atan2d(");
  }
  return (readableEquation(etext));
}
Exemplo n.º 26
0
int parse_css(FILE *fh) {
    // Set up the scanner
    yyscan_t scanner;
    yylex_init(&scanner);
    yyset_in(fh, scanner);

    // Set up the parser
    void *css_parser = ParseAlloc(malloc);
    int lexCode;

    do {
        lexCode = yylex(scanner);
        printf("Got %i\n", lexCode);
        Parse(css_parser, lexCode, yyget_text(scanner));
    } while (lexCode > 0);

    // Finish the job.
    Parse(css_parser, 0, NULL);

    if (-1 == lexCode) {
        fprintf(stderr, "The scanner encountered an error.\n");
        return 0;
    }

    // Cleanup the scanner and parser
    yylex_destroy(scanner);
    ParseFree(css_parser, free);

    return 1;

}
Exemplo n.º 27
0
void
parse_context_delete (parse_context *self)
{
  yylex_destroy (self->scanner);
  pt_node_unref_ornull (self->unit);

  mem_free (self, sizeof *self);
}
Exemplo n.º 28
0
int main(int argc, char **argv)
{
    var_init();
    yyparse();
    var_destroy();
    yylex_destroy();
    return (0);
}
Exemplo n.º 29
0
Arquivo: val.c Projeto: blynn/symple
void val_parse_forall(char *s, val_callback_t callback) {
  yyscan_t scanner;
  if (yylex_init(&scanner)) die("yylex_init error");
  YY_BUFFER_STATE buf = s ? yy_scan_string(s, scanner) : 0;
  if (yyparse(scanner, callback)) die("parse error");
  yy_delete_buffer(buf, scanner);
  yylex_destroy(scanner);
}
Exemplo n.º 30
0
int main(int ac, char** av)
{
	instr_t*	imem;
	int		imem_size;
	int		yyparse();
	int		yylex_destroy();

	progname = av[0];
	output = stdout;

	init_func();
	init_instr();
	init_stmt();
	init_sim();

	params(ac, av);

	if (yyin == NULL) {
		warning("no input file");
		exit(0);	
	}
		
	if (cfg_fp == NULL)
		yyparse();
	
	fclose(yyin);
	yylex_destroy();

	opt();

	if (cfg_fp != NULL)
		exit(0);

	imem = stmt2instr(&imem_size);

	free_func();
	deinit_symtab();
	deinit_sym();

	set_dmem_size(100000);
	set_imem(imem, imem_size);
	set_regs(32);

	run(); 

	print_stats();
		
	free_sim();

	if (output != NULL)
		fclose(output);

	if (yyin != NULL)
		fclose(yyin);

	return 0;
}