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| SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
The Tag interface defines the basic protocol between a Tag handler and JSP page implementation class. It defines the life cycle and the methods to be invoked at start and end tag.
There are several methods that get invoked to set the state of a Tag handler. The Tag handler is required to keep this state so the page compiler can choose not to reinvoke some of the state setting.
The page compiler guarantees that setPageContext and setParent will all be invoked on the Tag handler, in that order, before doStartTag() or doEndTag() are invoked on it. The page compiler also guarantees that release will be invoked on the Tag handler before the end of the page.
Here is a typical invocation sequence:
ATag t = new ATag();
-- need to set required information
t.setPageContext(...);
t.setParent(...);
t.setAttribute1(value1);
t.setAttribute2(value2);
-- all ready to go
t.doStartTag();
t.doEndTag();
... other tags and template text
-- say one attribute is changed, but parent and pageContext have not changed
t.setAttribute2(value3);
t.doStartTag()
t.doEndTag()
... other tags and template text
-- assume that this new action happens to use the same attribute values
-- it is legal to reuse the same handler instance, with no changes...
t.doStartTag();
t.doEndTag();
-- OK, all done
t.release()
The Tag interface also includes methods to set a parent chain, which is used to find enclosing tag handlers.
| Field Summary | |
static int |
EVAL_BODY_INCLUDE
Evaluate body into existing out stream. |
static int |
EVAL_PAGE
Continue evaluating the page. |
static int |
SKIP_BODY
Skip body evaluation. |
static int |
SKIP_PAGE
Skip the rest of the page. |
| Method Summary | |
int |
doEndTag()
Process the end tag. |
int |
doStartTag()
Process the start tag for this instance. |
Tag |
getParent()
|
void |
release()
Called on a Tag handler to release state. |
void |
setPageContext(PageContext pc)
Set the current page context. |
void |
setParent(Tag t)
Set the current nesting Tag of this Tag. |
| Field Detail |
public static final int SKIP_BODY
public static final int EVAL_BODY_INCLUDE
public static final int SKIP_PAGE
public static final int EVAL_PAGE
| Method Detail |
public void setPageContext(PageContext pc)
This value is *not* reset by doEndTag() and must be explicitly reset by a page implementation
public void setParent(Tag t)
This value is *not* reset by doEndTag() and must be explicitly reset by a page implementation. Code can assume that setPageContext has been called with the proper values before this point.
public Tag getParent()
public int doStartTag() throws JspException
BodyTag
public int doEndTag() throws JspException
public void release()
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About ME!
My name is Annalise Jaramillo. I am from Belen. I love reading, music, and I am an Earl Grey enthusiast.
My favorite things
- Book: Peter Pan
- Movie: The Parent Trap (stop judging me)
- Tv Show: the Office, Gilmore Girls, and Psych (I will not choose)
- Brother: Raymond
- Humans: Ellie, Emma, and Corra


Chez Scheme常使用交互界面来支持程序开发和调试，然而它也能用于创建没有交互元素的独立应用。 本章描述了Chez Scheme的各种典型用法，或者说更普遍地，如何充分利用该系统。 Sections 2.1, 2.2, 和 2.3描述了如何以交互式的方式使用Chez Scheme。 Section 2.4讨论了如何在Chez Scheme中使用库和RNRS顶级程序。 Section 2.5涵盖了书写与运行Scheme脚本，包括编译脚本、编译RNRS顶级程序。 Section 2.6描述了如何构造和编译一个程序以求编译出最高效的代码。 Section 2.7描述了如何自定义启动过程，例如，改变或消除命令行选项、预加载Scheme或其他语言代码、或以其他程序子程序的方式运行Chez Scheme。 Section 2.8描述了如何使用Petite Chez Scheme建造Chez Scheme应用程序以获得运行时支持。 最后，Section 2.9涵盖了调用Chez Scheme时所能使用的命令行选项。
最简单最高效的编写测试Scheme程序的方式之一是使用vi或emacs之类的文本编辑器来编写，然后在shell窗口中运行的Chez Scheme中交互式地测试它们。 当Chez Scheme以默认选项被安装好后，在shell的提示符后输入命令scheme以启动一个交互式Scheme会话。类似的，命令petite则是用于启动Petite Chez Scheme的交互式会话。 在输入这条命令后，你可以看到一段简短的后跟一个行首带着尖括号的新行的问候，就像这样：
Chez Scheme Version 9.4
Copyright 1984-2016 Cisco Systems, Inc.
>
你应该能看到，光标位于尖括号偏右一个空格的位置。 尖括号是系统的"REPL"的提示符，"REPL"是"Read Eval Print Loop"的缩写，意味读、求值、打印一个表达式，然后从头开始继续读、求值、打印的过程，就这么不断重复。 (在Chez Scheme中，REPL也叫做waiter。)
你可以输入一些Scheme表达式以回应提示符。 如果表达式正确，那么REPL会运行表达式，然后打印它的值。 以下是一些例子：
> 3
3
> (+ 3 4)
7
> (cons 'a '(b c d))
(a b c d)
The reader used by the REPL is more sophisticated than an ordinary reader. In fact, it's a full-blown "expression editor" ("expeditor" for short) like a regular text editor but for just one expression at a time. One thing you might soon notice is that the system automatically indents the second and subsequent lines of an expression. For example, let's say we want to define fact, a procedure that implements the factorial function. If we type (define fact followed by the enter key, the cursor should be sitting under the first e in define, so that if we then type (lambda (x), we should see:
> (define fact
(lambda (x)
The expeditor also allows us to move around within the expression (even across lines) and edit the expression to correct mistakes. After typing:
> (define fact
(lambda (x)
(if (= n 0)
0
(* n (fact
we might notice that the procedure's argument is named x but we have been referencing it as n. We can move back to the second line using the arrow keys, remove the offending x with the backspace key, and replace it with n.
> (define fact
(lambda (n)
(if (= n 0)
0
(* n (fact
We can then return to the end of the expression with the arrow keys and complete the definition.
> (define fact
(lambda (n)
(if (= n 0)
0
(* n (fact (- n 1))))))
Now that we have a complete form with balanced parentheses, if we hit enter with the cursor just after the final parenthesis, the expeditor will send it on to the evaluator. We'll know that it has accepted the definition when we get another right-angle prompt.
Now we can test our definition by entering, say, (fact 6) in response to the prompt:
> (fact 6)
0
The printed value isn't what we'd hoped for, since 6! is actually 720. The problem, of course, is that the base-case return-value 0 should have been 1. Fortunately, we don't have to retype the definition to correct the mistake. Instead, we can use the expeditor's history mechanism to retrieve the earlier definition. The up-arrow key moves backward through the history. In this case, the first up-arrow retrieves (fact 6), and the second retrieves the fact definition.
As we move back through the history, the expression editor shows us only the first line, so after two up arrows, this is all we see of the definition:
> (define fact
We can force the expeditor to show the entire expression by typing ^L (control L, i.e., the control and L keys pressed together):
> (define fact
(lambda (n)
(if (= n 0)
0
(* n (fact (- n 1))))))
Now we can move to the fourth line and change the 0 to a 1.
> (define fact
(lambda (n)
(if (= n 0)
1
(* n (fact (- n 1))))))
We're now ready to enter the corrected definition. If the cursor is on the fourth line and we hit enter, however, it will just open up a new line between the old fourth and fifth lines. This is useful in other circumstances, but not now. Of course, we can work around this by using the arrow keys to move to the end of the expression, but an easier way is to type ^J, which forces the expression to be entered immediately no matter where the cursor is.
Finally, we can bring back (fact 6) with another two hits of the up-arrow key and try it again:
> (fact 6)
720
To exit from the REPL and return back to the shell, we can type ^D or call the exit procedure.
The interaction described above uses just a few of the expeditor's features. The expeditor's remaining features are described in the following section.
Running programs may be interrupted by typing the interrupt character (typically ^C). In response, the system enters a debug handler, which prompts for input with a break> prompt. One of several commands may be issued to the break handler (followed by a newline), including
When an exception other than a warning occurs, the default exception handler prints a message that describes the exception to the console error port. If a REPL is running, the exception handler then returns to the REPL, where the programmer can call the debug procedure to start up the debug handler, if desired. The debug handler is similar to the break handler and allows the programmer to inspect the continuation (control stack) of the exception to help determine the cause of the problem. If no REPL is running, as is the case for a script or top-level program run via the --script or --program command-line options, the default exception handler exits from the script or program after printing the message. To allow scripts and top-level programs to be debugged, the default exception handler can be forced via the debug-on-exception parameter or the --debug-on-exception command-line option to invoke debug directly.
Developing a large program entirely in the REPL is unmanageable, and we usually even want to store smaller programs in a file for future use. (The expeditor's history is saved across Scheme sessions, but there is a limit on the number of items, so it is not a good idea to count on a program remaining in the history indefinitely.) Thus, a Scheme programmer typically creates a file containing Scheme source code using a text editor, such as vi, and loads the file into Chez Scheme to test them. The conventional filename extension for Chez Scheme source files is ".ss," but the file can have any extension or even no extension at all. A source file can be loaded during an interactive session by typing (load "path"). Files to be loaded can also be named on the command line when the system is started. Any form that can be typed interactively can be placed in a file to be loaded.
Chez Scheme compiles source forms as it sees them to machine code before evaluating them, i.e., "just in time." In order to speed loading of a large file or group of files, each file can be compiled ahead of time via compile-file, which puts the compiled code into a separate object file. For example, (compile-file "path") compiles the forms in the file path.ss and places the resulting object code in the file path.so. Loading a pre-compiled file is essentially no different from loading the source file, except that loading is faster since compilation has already been done.
When compiling a file or set of files, it is often more convenient to use a shell command than to enter Chez Scheme interactively to perform the compilation. This is easily accomplished by "piping" in the command to compile the file as shown below.
echo '(compile-file "filename")' | scheme -q
The -q option suppresses the system's greeting messages for more compact output, which is especially useful when compiling numerous files. The single-quote marks surrounding the compile-file call should be left off for Windows shells.
When running in this "batch" mode, especially from within "make" files, it is often desirable to force the default exception handler to exit immediately to the shell with a nonzero exit status. This may be accomplished by setting the reset-handler to abort.
echo '(reset-handler abort) (compile-file "filename")' | scheme -q
One can also redefine the base-exception-handler (Section 12.1) to achieve a similar effect while exercising more control over the format of the messages that are produced.
When Chez Scheme is used interactively in a shell window, as described above, or when new-cafe is invoked explicitly from a top-level program or script run via --program or --script, the waiter's "prompt and read" procedure employs an expression editor that permits entry and editing of single- and multiple-line expressions, automatically indents expressions as they are entered, supports identifier completion outside string constants based on the identifiers defined in the interactive environment, and supports filename completion within string constants. The expression editor also maintains a history of expressions typed during and across sessions and supports tcsh-like history movement and search commands. Other editing commands include simple cursor movement via arrow keys, deletion of characters via backspace and delete, and movement, deletion, and other commands using mostly emacs key bindings.
The expression editor does not run if the TERM environment variable is not set (on Unix-based systems), if the standard input or output files have been redirected, or if the --eedisable command-line option (Section 2.9) has been used. The history is saved across sessions, by default, in the file ".chezscheme_history" in the user's home directory. The --eehistory command-line option (Section 2.9) can be used to specify a different location for the history file or to disable the saving and restoring of the history file.
Keys for nearly all printing characters (letters, digits, and special characters) are "self inserting" by default. The open parenthesis, close parenthesis, open bracket, and close bracket keys are self inserting as well, but also cause the editor to "flash" to the matching delimiter, if any. Furthermore, when a close parenthesis or close bracket is typed, it is automatically corrected to match the corresponding open delimiter, if any.
Key bindings for other keys and key sequences initially recognized by the expression editor are given below, organized into groups by function. Some keys or key sequences serve more than one purpose depending upon context. For example, tab is used for identifier completion, filename completion, and indentation. Such bindings are shown in each applicable functional group.
Multiple-key sequences are displayed with hyphens between the keys of the sequences, but these hyphens should not be entered. When two or more key sequences perform the same operation, the sequences are shown separated by commas.
Detailed descriptions of the editing commands are given in Chapter 14, which also describes parameters that allow control over the expression editor, mechanisms for adding or changing key bindings, and mechanisms for creating new commands.
Newlines, acceptance, exiting, and redisplay:
| enter, ^M | accept balanced entry if used at end of entry; |
| else add a newline before the cursor and indent | |
| ^J | accept entry unconditionally |
| ^O | insert newline after the cursor and indent |
| ^D | exit from the waiter if entry is empty; |
| else delete character under cursor | |
| ^Z | suspend to shell if shell supports job control |
| ^L | redisplay entry |
| ^L-^L | clear screen and redisplay entry |
Basic movement and deletion:
| leftarrow, ^B | move cursor left |
| rightarrow, ^F | move cursor right |
| uparrow, ^P | move cursor up; from top of unmodified entry, |
| move to preceding history entry. | |
| downarrow, ^N | move cursor down; from bottom of unmodified entry, |
| move to next history entry | |
| ^D | delete character under cursor if entry not empty, |
| else exit from the waiter | |
| backspace, ^H | delete character before cursor |
| delete | delete character under cursor |
Line movement and deletion:
| home, ^A | move cursor to beginning of line |
| end, ^E | move cursor to end of line |
| ^K, esc-k | delete to end of line or, if cursor is at the end |
| of a line, join with next line | |
| ^U | delete contents of current line |
When used on the first line of a multiline entry of which only the first line is displayed, i.e., immediately after history movement, ^U deletes the contents of the entire entry, like ^G (described below).
Expression movement and deletion:
| esc-^F | move cursor to next expression |
| esc-^B | move cursor to preceding expression |
| esc-] | move cursor to matching delimiter |
| ^] | flash cursor to matching delimiter |
| esc-^K, esc-delete | delete next expression |
| esc-backspace, esc-^H | delete preceding expression |
Entry movement and deletion:
| esc-< | move cursor to beginning of entry |
| esc-> | move cursor to end of entry |
| ^G | delete current entry contents |
| ^C | delete current entry contents; reset to end of history |
Indentation:
| tab | re-indent current line if identifier/filename prefix |
| not just entered; else insert completion | |
| esc-tab | re-indent current line unconditionally |
| esc-q, esc-Q, esc-^Q | re-indent each line of entry |
Identifier/filename completion:
| tab | insert completion if identifier/filename prefix just |
| entered; else re-indent current line | |
| tab-tab | show possible identifier/filename completions at end |
| of identifier/filename just typed, else re-indent | |
| ^R | insert next identifier/filename completion |
Identifier completion is performed outside of a string constant, and filename completion is performed within a string constant. (In determining whether the cursor is within a string constant, the expression editor looks only at the current line and so can be fooled by string constants that span multiple lines.) If at end of existing identifier or filename, i.e., not one just typed, the first tab re-indents, the second tab inserts identifier completion, and the third shows possible completions.
History movement:
| uparrow, ^P | move to preceding entry if at top of unmodified |
| entry; else move up within entry | |
| downarrow, ^N | move to next entry if at bottom of unmodified |
| entry; else move down within entry | |
| esc-uparrow, esc-^P | move to preceding entry from unmodified entry |
| esc-downarrow, esc-^N | move to next entry from unmodified entry |
| esc-p | search backward through history for given prefix |
| esc-n | search forward through history for given prefix |
| esc-P | search backward through history for given string |
| esc-N | search forward through history for given string |
To search, enter a prefix or string followed by one of the search key sequences. Follow with additional search key sequences to search further backward or forward in the history. For example, enter "(define" followed by one or more esc-p key sequences to search backward for entries that are definitions, or "(define" followed by one or more esc-P key sequences for entries that contain definitions.
Word and page movement:
| esc-f, esc-F | move cursor to end of next word |
| esc-b, esc-B | move cursor to start of preceding word |
| ^X-[ | move cursor up one screen page |
| ^X-] | move cursor down one screen page |
Inserting saved text:
| ^Y | insert most recently deleted text |
| ^V | insert contents of window selection/paste buffer |
Mark operations:
| ^@, ^space, ^^ | set mark to current cursor position |
| ^X-^X | move cursor to mark, leave mark at old cursor position |
| ^W | delete between current cursor position and mark |
Command repetition:
| esc-^U | repeat next command four times |
| esc-^U-n | repeat next command n times |
In the language of the Revised6 Report, code is structured into libraries and "top-level programs." The Revised6 Report does not require an implementation to support interactive use, and it does not specify how an interactive top level should operate, leaving such details up to the implementation.
In Chez Scheme, when one enters definitions or expressions at the prompt or loads them from a file, they operate on an interaction environment, which is a mutable environment that initially holds bindings only for built-in keywords and primitives. It may be augmented by user-defined identifier bindings via top-level definitions. The interaction environment is also referred to as the top-level environment, because it is at the top level for purposes of scoping. Programs entered at the prompt or loaded from a file via load should not be confused with RNRS top-level programs, which are actually more similar to libraries in their behavior. In particular, while the same identifier can be defined multiple times in the interaction environment, to support incremental program development, an identifier can be defined at most once in an RNRS top-level program.
The default interaction environment used for any code that occurs outside of an RNRS top-level program or library (including such code typed at a prompt or loaded from a file) contains all of the bindings of the (chezscheme) library (or scheme module, which exports the same set of bindings). This set contains a number of bindings that are not in the RNRS libraries. It also contains a number of bindings that extend the RNRS counterparts in some way and are thus not strictly compatible with the RNRS bindings for the same identifiers. To replace these with bindings strictly compatible with RNRS, simply import the rnrs libraries into the interaction environment by typing the following into the REPL or loading it from a file:
(import
(rnrs)
(rnrs eval)
(rnrs mutable-pairs)
(rnrs mutable-strings)
(rnrs r5rs))
To obtain an interaction environment that contains all and only RNRS bindings, use the following.
(interaction-environment
(copy-environment
(environment
'(rnrs)
'(rnrs eval)
'(rnrs mutable-pairs)
'(rnrs mutable-strings)
'(rnrs r5rs))
#t))
To be useful for most purposes, library and import should probably also be included, from the (chezscheme) library.
(interaction-environment
(copy-environment
(environment
'(rnrs)
'(rnrs eval)
'(rnrs mutable-pairs)
'(rnrs mutable-strings)
'(rnrs r5rs)
'(only (chezscheme) library import))
#t))
It might also be useful to include debug in the set of identifiers imported from (chezscheme) to allow the debugger to be entered after an exception is raised.
Most of the identifiers bound in the default interaction environment that are not strictly compatible with the Revised6 Report are variables bound to procedures with extended interfaces, i.e., optional arguments or extended argument domains. The others are keywords bound to transformers that extend the Revised6 Report syntax in some way. This should not be a problem except for programs that count on exceptions being raised in cases that coincide with the extensions. For example, if a program passes the = procedure a single numeric argument and expects an exception to be raised, it will fail in the initial interaction environment because = returns #t when passed a single numeric argument.
Within the default interaction environment and those created as described above, variables that name built-in procedures are read-only, i.e., cannot be assigned, since they resolve to the read-only bindings exported from the (chezscheme) library or some other library:
(set! cons +) exception: cons is immutable
Before assigning a variable bound to the name of a built-in procedure, the programmer must first define the variable. For example,
(define cons-count 0)
(define original-cons cons)
(define cons
(lambda (x y)
(set! cons-count (+ cons-count 1))
(original-cons x y)))
redefines cons to count the number of times it is called, and
(set! cons original-cons)
assigns cons to its original value. Once a variable has been defined in the interaction environment using define, a subsequent definition of the same variable is equivalent to a set!, so
(define cons original-cons)
has the same effect as the set! above. The expression
(import (only (chezscheme) cons))
also binds cons to its original value. It also returns it to its original read-only state.
The simpler redefinition
(define cons (let () (import scheme) cons))
turns cons into a mutable variable with the same value as it originally had. Doing so, however, prevents the compiler from generating efficient code for calls to cons or producing warning messages when cons is passed the wrong number of arguments.
All identifiers not bound in the initial interaction environment and not defined by the programmer are treated as "potentially bound" as variables to facilitate the definition of mutually recursive procedures. For example, assuming that yin and yang have not been defined,
(define yin (lambda () (- (yang) 1)))
defines yin at top level as a variable to a procedure that calls the value of the top-level variable yang, even though yang has not yet been defined. If this is followed by
(define yang (lambda () (+ (yin) 1)))
the result is a mutually recursive pair of procedures that, when called, will loop indefinitely or until the system runs out of space to hold the recursion stack. If yang must be defined as anything other than a variable, its definition should precede the definition of yin, since the compiler assumes yang is a variable in the absence of any indication to the contrary when yang has not yet been defined.
A subtle consequence of this useful quirk of the interaction environment is that the procedure free-identifier=? (Section 8.3 of The Scheme Programming Language, 4th Edition) does not consider unbound library identifiers to be equivalent to (as yet) undefined top-level identifiers, even if they have the same name, because the latter are actually assumed to be valid variable bindings.
(library (A) (export a)
(import (rnrs))
(define-syntax a
(lambda (x)
(syntax-case x ()
[(_ id) (free-identifier=? #'id #'undefined)]))))
(let () (import (A)) (a undefined)) #f
If it is necessary that they have the same binding, as in the case where an identifier is used as an auxiliary keyword in a syntactic abstraction exported from a library and used at top level, the library should define and export a binding for the identifier.
(library (A) (export a aux-a)
(import (rnrs) (only (chezscheme) syntax-error))
(define-syntax aux-a
(lambda (x)
(syntax-error x "invalid context")))
(define-syntax a
(lambda (x)
(syntax-case x (aux-a)
[(_ aux-a) #''okay]
[(_ _) #''oops]))))
(let () (import (A)) (a aux-a)) okay
(let () (import (only (A) a)) (a aux-a)) oops
This issue does not arise when libraries are used entirely within other libraries or within RNRS top-level programs, since the interaction environment does not come into play.
An R6RS library can be defined directly in the REPL, loaded explicitly from a file (using load or load-library), or loaded implicitly from a file via import. When defined directly in the REPL or loaded explicitly from a file, a library form can be used to redefine an existing library, but import never reloads a library once it has been defined.
A library to be loaded implicitly via import must reside in a file whose name reflects the name of the library. For example, if the library's name is (tools sorting), the base name of the file must be sorting with a valid extension, and the file must be in a directory named tools which itself resides in one of the directories searched by import. The set of directories searched by import is determined by the library-directories parameter, and the set of extensions is determined by the library-extensions parameter.
The values of both parameters are lists of pairs of strings. The first string in each library-directories pair identifies a source-file base directory, and the second identifies the corresponding object-file base directory. Similarly, the first string in each library-extensions pair identifies a source-file extension, and the second identifies the corresponding object-file extension. The full path of a library source or object file consists of the source or object base followed by the components of the library name, separated by slashes, with the library extension added on the end. For example, for base /usr/lib/scheme, library name (app lib1), and extension .sls, the full path is /usr/lib/scheme/app/lib1.sls. So, if (library-directories) contains the pathnames "/usr/lib/scheme/libraries" and ".", and (library-extensions) contains the extensions .ss and .sls, the path of the (tools sorting) library must be one of the following.
/usr/lib/scheme/libraries/tools/sorting.ss
/usr/lib/scheme/libraries/tools/sorting.sls
./tools/sorting.ss
./tools/sorting.sls
When searching for a library, import first constructs a partial name from the list of components in the library name, e.g., a/b for library (a b). It then searches for the partial name in each pair of base directories, in order, trying each of the source extensions then each of the object extensions in turn before moving onto the next pair of base directories. If the partial name is an absolute pathname, e.g., ~/.myappinit for a library named (~/.myappinit), only the specified absolute path is searched, first with each source extension, then with each object extension. If the expander finds both a source file and its corresponding object file, and the object file is not older than the source file, the expander loads the object file. If the object file does not exist, if the object file is older, or if after loading the object file, the expander determines it was built using a library or include file that has changed, the source file is loaded or compiled, depending on the value of the parameter compile-imported-libraries. If compile-imported-libraries is set to #t, the expander compiles the library via the value of the compile-library-handler parameter, which by default calls compile-library (which is described below). Otherwise, the expander loads the source file. (Loading the source file actually causes the code to be compiled, assuming the default value of current-eval, but the compiled code is not saved to an object file.) An exception is raised during this process if a source or object file exists but is not readable or if an object file cannot be created.
The search process used by the expander when processing an import for a library that has not yet been loaded can be monitored by setting the parameter import-notify to #t. This parameter can be set from the command line via the --import-notify command-line option.
Whenever the expander determines it must compile a library to a file or load one from source, it adds the directory in which the file resides to the front of the source-directories list while compiling or loading the library. This allows a library to include files stored in or relative to its own directory.
When import compiles a library as described above, it does not also load the compiled library, because this would cause portions of library to be reevaluated. Because of this, run-time expressions in the file outside of a library form will not be evaluated. If such expressions are present and should be evaluated, the library should be compiled ahead of time or loaded explicitly.
A file containing a library may be compiled with compile-file or compile-library. The only difference between the two is that the latter treats the source file as if it were prefixed by an implicit #!r6rs, which disables Chez Scheme lexical extensions unless an explicit #!chezscheme marker appears in the file. Any libraries upon which the library depends must be compiled first. If one of the libraries imported by the library is subsequently recompiled (say because it was modified), the importing library must also be recompiled. Compilation and recompilation of imported libraries must be done explicitly by default but is done automatically when the parameter compile-imported-libraries is set to #t before compiling the importing library.
As with compile-file, compile-library can be used in "batch" mode via a shell command:
echo '(compile-library "filename")' | scheme -q
with single-quote marks surrounding the compile-library call omitted for Windows shells.
An RNRS top-level-program usually resides in a file, but one can also enter one directly into the REPL using the top-level-program forms, e.g.:
(top-level-program
(import (rnrs))
(display "What's up?\n"))
A top-level program stored in a file does not have the top-level-program wrapper, so the same top-level program in a file is just:
(import (rnrs))
(display "What's up?\n")
A top-level program stored in a file can be loaded from the file via the load-program procedure. A top-level program can also be loaded via load, but not without affecting the semantics. A program loaded via load is scoped at top level, where it can see all top-level bindings, whereas a top-level program loaded via load-program is self-contained, i.e., it can see only the bindings made visible by the leading import form. Also, the variable bindings in a program loaded via load also become top-level bindings, whereas they are local to the program when the program is loaded via load-program. Moreover, load-program, like load-library, treats the source file as if it were prefixed by an implicit #!r6rs, which disables Chez Scheme lexical extensions unless an explicit #!chezscheme marker appears in the file. A program loaded via load is also likely to be less efficient. Since the program's variables are not local to the program, the compiler must assume they could change at any time, which inhibits many of its optimizations.
Top-level programs may be compiled using compile-program, which is like compile-file but, as with load-program, properly implements the semantics and lexical restrictions of top-level programs. compile-program also copies the leading #! line, if any, from the source file to the object file, resulting in an executable object file. Any libraries upon which the top-level program depends, other than built-in libraries, must be compiled first. The program must be recompiled if any of the libraries upon which it depends are recompiled. Compilation and recompilation of imported libraries must be done explicitly by default but is done automatically when the parameter compile-imported-libraries is set to #t before compiling the importing library.
As with compile-file and compile-library, compile-program can be used in "batch" mode via a shell command:
echo '(compile-program "filename")' | scheme -q
with single-quote marks surrounding the compile-program call omitted for Windows shells.
compile-program returns a list of libraries directly invoked by the compiled top-level program. When combined with the library-requirements and library-object-filename procedures, the list of libraries returned by compile-program can be used to determine the set of files that must be distributed with the compiled program file.
When run, a compiled program automatically loads the run-time code for each library upon which it depends, as if via revisit. If the program also imports one of the same libraries at run time, e.g., via the environment procedure, the system will attempt to load the compile-time information from the same file. The compile-time information can also be loaded explicitly from the same or a different file via load or visit.
When the --script command-line option is present, the named file is treated as a Scheme shell script, and the command-line is made available via the parameter command-line. This is primarily useful on Unix-based systems, where the script file itself may be made executable. To support executable shell scripts, the system ignores the first line of a loaded script if it begins with #! followed by a space or forward slash. For example, assuming that the Chez Scheme executable has been installed as /usr/bin/scheme, the following script prints its command-line arguments.
#! /usr/bin/scheme --script
(for-each
(lambda (x) (display x) (newline))
(cdr (command-line)))
The following script implements the traditional Unix echo command.
#! /usr/bin/scheme --script
(let ([args (cdr (command-line))])
(unless (null? args)
(let-values ([(newline? args)
(if (equal? (car args) "-n")
(values #f (cdr args))
(values #t args))])
(do ([args args (cdr args)] [sep "" " "])
((null? args))
(printf "~a~a" sep (car args)))
(when newline? (newline)))))
Scripts may be compiled using compile-script, which is like compile-file but differs in two ways: (1) it copies the leading #! line from the source-file script into the object file, and (2) when the #! line is present, it disables the default compression of the resulting file, which would otherwise prevent it from being recognized as a script file.
If Petite Chez Scheme is installed, but not Chez Scheme, /usr/bin/scheme may be replaced with /usr/bin/petite.
The --program command-line option is like --script except that the script file is treated as an RNRS top-level program (Chapter 10). The following RNRS top-level program implements the traditional Unix echo command, as with the script above.
#! /usr/bin/scheme --program
(import (rnrs))
(let ([args (cdr (command-line))])
(unless (null? args)
(let-values ([(newline? args)
(if (equal? (car args) "-n")
(values #f (cdr args))
(values #t args))])
(do ([args args (cdr args)] [sep "" " "])
((null? args))
(display sep)
(display (car args)))
(when newline? (newline)))))
Again, if only Petite Chez Scheme is installed, /usr/bin/scheme may be replaced with /usr/bin/petite.
scheme-script may be used in place of scheme --program or petite --program, i.e.,
#! /usr/bin/scheme-script
scheme-script runs Chez Scheme, if available, otherwise Petite Chez Scheme.
It is also possible to use /usr/bin/env, as recommended in the Revised6 Report nonnormative appendices, which allows scheme-script to appear anywhere in the user's path.
#! /usr/bin/env scheme-script
If a top-level program depends on libraries other than those built into Chez Scheme, the --libdirs option can be used to specify which source and object directories to search. Similarly, if a library upon which a top-level program depends has an extension other than one of the standard extensions, the --libexts option can be used to specify additional extensions to search.
These options set the corresponding Chez Scheme parameters library-directories and library-extensions, which are described in Section 2.4. The format of the arguments to --libdirs and --libexts is the same: a sequence of substrings separated by a single separator character. The separator character is a colon (:), except under Windows where it is a semi-colon (;). Between single separators, the source and object strings, if both are specified, are separated by two separator characters. If a single separator character appears at the end of the string, the specified pairs are added to the front of the existing list; otherwise, the specified pairs replace the existing list.
For example, where the separator is a colon,
scheme --libdirs "/home/moi/lib:"
adds the source/object directory pair
("/home/moi/lib" . "/home/moi/lib")
to the front of the default set of library directories, and
scheme --libdirs "/home/moi/libsrc::/home/moi/libobj:"
adds the source/object directory pair
("/home/moi/libsrc" . "/home/moi/libobj")
to the front of the default set of library directories. The parameters are set after all boot files have been loaded.
If no --libdirs option appears and the CHEZSCHEMELIBDIRS environment variable is set, the string value of CHEZSCHEMELIBDIRS is treated as if it were specified by a --libdirs option. Similarly, if no --libexts option appears and the CHEZSCHEMELIBEXTS environment variable is set, the string value of CHEZSCHEMELIBEXTS is treated as if it were specified by a --libexts option.
To get the most out of the Chez Scheme compiler, it is necessary to give it a little bit of help. The most important assistance is to avoid the use of top-level (interaction-environment) bindings. Top-level bindings are convenient and appropriate during program development, since they simplify testing, redefinition, and tracing (Section 3.1) of individual procedures and syntactic forms. This convenience comes at a sizable price, however.
The compiler can propagate copies (of one variable to another or of a constant to a variable) and inline procedures bound to local, unassigned variables within a single top-level expression. For the procedures it does not inline, it can avoid constructing and passing unneeded closures, bypass argument-count checks, branch to the proper entry point in a case-lambda, and build rest arguments (more efficiently) on the caller side, where the length of the rest list is known at compile time. It can also discard the definitions of unreferenced variables, so there's no penalty for including a large library of routines, only a few of which are actually used.
It cannot do any of this with top-level variable bindings, since the top-level bindings can change at any time and new references to those bindings can be introduced at any time.
Fortunately, it is easy to restructure a program to avoid top-level bindings. This is naturally accomplished for portable code by placing the code into a single RNRS top-level program or by placing a portion of the code in a top-level program and the remainder in one or more separate libraries. Although not portable, one can also put all of the code into a single top-level module form or let expression, perhaps using include to bring in portions of the code from separate files. The compiler performs some optimization even across library boundaries, so the penalty for breaking a program up in this manner is generally acceptable. The compiler also supports whole-program optimization (via compile-whole-program), which can be used to eliminate all overhead for placing portions of a program into separate libraries.
Once an application's code has been placed into a single top-level program or into a top-level program and one or more libraries, the code can be loaded from source via load-program or compiled via compile-program and compile-library, as described in Section 2.4. Be sure not to use compile-file for the top-level program since this does not preserve the semantics nor result in code that is as efficient.
With an application structured as a single top-level program or as a top-level program and one or more libraries that do not interact frequently, we have done most of what can be done to help the compiler, but there are still a few more things we can do.
First, we can allow the compiler to generate "unsafe" code, i.e., allow the compiler to generate code in which the usual run-time type checks have been disabled. We do this by using the compiler's "optimize level 3" when compiling the program and library files. This can be accomplished by setting the parameter optimize-level to 3 while compiling the library or program, e.g.:
(parameterize ([optimize-level 3]) (compile-program "filename"))
or in batch mode via the --optimize-level command-line option:
echo '(compile-program "filename")' | scheme -q --optimize-level 3
It may also be useful to experiment with some of the other compiler control parameters and also with the storage manager's run-time operation. The compiler-control parameters, including optimize-level, are described in Section 12.6, and the storage manager control parameters are described in Section 13.1.
Finally, it is often useful to "profile" your code to determine that parts of the code that are executed most frequently. While this will not help the system optimize your code, it can help you identify "hot spots" where you need to concentrate your own hand-optimization efforts. In these hot spots, consider using more efficient operators, like fixnum or flonum operators in place of generic arithmetic operators, and using explicit loops rather than nested combinations of linear list-processing operators like append, reverse, and map. These operators can make code more readable when used judiciously, but they can slow down time-critical code.
Section 12.7 describes how to use the compiler's support for automatic profiling. Be sure that profiling is not enabled when you compile your production code, since the code introduced into the generated code to perform the profiling adds significant run-time overhead.
Chez Scheme and Petite Chez Scheme are built from several subsystems: a "kernel" encapsulated in a static or shared library (dynamic link library) that contains operating-system interface and low-level storage management code, an executable that parses command-line arguments and calls into the kernel to initialize and run the system, a base boot file (petite.boot) that contains the bulk of the run-time library code, and an additional boot file (scheme.boot), for Chez Scheme only, that contains the compiler.
While the kernel and base boot file are essential to the operation of all programs, the executable may be replaced or even eliminated, and the compiler boot file need be loaded only if the compiler is actually used. In fact, the compiler is typically not loaded for distributed applications unless the application creates and executes code at run time.
The kernel exports a set of entry points that are used to initialize the Scheme system, load boot or heap files, run an interactive Scheme session, run script files, and deinitialize the system. In the threaded versions of the system, the kernel also exports entry points for activating, deactivating, and destroying threads. These entry points may be used to create your own executable image that has different (or no) command-line options or to run Scheme as a subordinate program within another program, i.e., for use as an extension language.
These entry points are described in Section 4.8, along with other entry points for accessing and modifying Scheme data structures and calling Scheme procedures.
The file main.c in the 'c' subdirectory contains the "main" routine for the distributed executable image; look at this file to gain an understanding of how the system startup entry points are used.
Although useful as a stand-alone Scheme system, Petite Chez Scheme was conceived as a run-time system for compiled Chez Scheme applications. The remainder of this section describes how to create and distribute such applications using Petite Chez Scheme. It begins with a discussion of the characteristics of Petite Chez Scheme and how it compares with Chez Scheme, then describes how to prepare application source code, how to build and run applications, and how to distribute them.
Petite Chez Scheme Characteristics. Although interpreter-based, Petite Chez Scheme evaluates Scheme source code faster than might be expected. Some of the reasons for this are listed below.
Nevertheless, compiled code is still more efficient for most applications. The difference between the speed of interpreted and compiled code varies significantly from one application to another, but often amounts to a factor of five and sometimes to a factor of ten or more.
Several additional limitations result from the fact that Petite Chez Scheme does not include the compiler:
Except as noted above, Petite Chez Scheme does not restrict what programs can do, and like Chez Scheme, it places essentially no limits on the size of programs or the memory images they create, beyond the inherent limitations of the underlying hardware or operating system.
Compiled scripts and programs. One simple mechanism for distributing an application is to structure it as a script or RNRS top-level program, use compile-script or compile-program, as appropriate to compile it as described in Section 2.5, and distribute the resulting object file along with a complete distribution of Petite Chez Scheme. When this mechanism is used on Unix-based systems, if the source file begins with #! and the path that follows is the path to the Chez Scheme executable, e.g., /usr/bin/scheme, the one at the front of the object file should be replaced with the path to the Petite Chez Scheme executable, e.g., /usr/bin/petite. The path may have to be adjusted by the application's installation program based on where Petite Chez Scheme is installed on the target system. When used under Windows, the application's installation program should set up an appropriate shortcut that starts Petite Chez Scheme with the --script or --program option, as appropriate, followed by the path to the object file.
The remainder of this section describes how to distribute applications that do not require Petite Chez Scheme to be installed as a stand-alone system on the target machine.
Preparing Application Code. While it is possible to distribute applications in source-code form, i.e., as a set of Scheme source files to be loaded into Petite Chez Scheme by the end user, distributing compiled code has two major advantages over distributing source code. First, compiled code is usually much more efficient, as discussed in the preceding section, and second, compiled code is in binary form and thus provides more protection for proprietary application code.
Application source code generally consists of a set of Scheme source files possibly augmented by foreign code developed specifically for the application and packaged in shared libraries (also known as shared objects or, on Windows, dynamic link libraries). The following assumes that any shared-library source code has been converted into object form; how to do this varies by platform. (Some hints are given in Section 4.6.) The result is a set of one or more shared libraries that are loaded explicitly by the Scheme source code during program initialization.
Once the shared libraries have been created, the next step is to compile the Scheme source files into a set of Scheme object files. Doing so typically involves simply invoking compile-file, compile-library, or compile-program, as appropriate, on each source file to produce the corresponding object file. This may be done within a build script or "make" file via a command line such as the following:
echo '(compile-file "filename")' | scheme
which produces the object file filename.so from the source file filename.ss.
If the application code has been developed interactively or is usually loaded directly from source, it may be necessary to make some adjustments to a file to be compiled if the file contains expressions or definitions that affect the compilation of subsequent forms in the file. This can be accomplished via eval-when (Section 12.4). This is not typically necessary or desirable if the application consists of a set of RNRS libraries and programs.
You may also wish to disable generation of inspector information both to reduce the size of the compiled application code and to prevent others from having access to the expanded source code that is retained as part of the inspector information. To do so, set the parameter generate-inspector-information to #f while compiling each file The downside of disabling inspector information is that the information will not be present if you need to debug your application, so it is usually desirable to disable inspector information only for production builds of your application. An alternative is to compile the code with inspector information enabled and strip out the debugging information later with strip-fasl-file.
The Scheme startup procedure determines what the system does when it is started. The default startup procedure loads the files listed on the command line (via load) and starts up a new café, like this.
(lambda fns (for-each load fns) (new-cafe))
The startup procedure may be changed via the parameter scheme-start. The following example demonstrates the installation of a variant of the default startup procedure that prints the name of each file before loading it.
(scheme-start
(lambda fns
(for-each
(lambda (fn)
(printf "loading ~a ..." fn)
(load fn)
(printf "~%"))
fns)
(new-cafe)))
A typical application startup procedure would first invoke the application's initialization procedure(s) and then start the application itself:
(scheme-start
(lambda fns
(initialize-application)
(start-application fns)))
Any shared libraries that must be present during the running of an application must be loaded during initialization. In addition, all foreign procedure expressions must be executed after the shared libraries are loaded so that the addresses of foreign routines are available to be recorded with the resulting foreign procedures. The following demonstrates one way in which initialization might be accomplished for an application that links to a foreign procedure show_state in the Windows shared library state.dll:
(define show-state)
(define app-init
(lambda ()
(load-shared-object "state.dll")
(set! show-state
(foreign-procedure "show_state" (integer-32)
integer-32))))
(scheme-start
(lambda fns
(app-init)
(app-run fns)))
Building and Running the Application. Building and running an application is straightforward once all shared libraries have been built and Scheme source files have been compiled to object code.
Although not strictly necessary, we suggest that you concatenate your object files, if you have more than one, into a single object file. This may be done on Unix systems simply via the cat program or on Windows via copy. Placing all of the object code into a single file simplifies both building and distribution of applications.
For top-level programs with separate libraries, compile-whole-program can be used to produce a single, fully optimized object file. Otherwise, when concatenating object files, put each library after the libraries it depends upon, with the program last.
With the Scheme object code contained within a single composite object file, it is possible to run the application simply by loading the composite object file into Petite Chez Scheme, e.g.:
petite app.so
where app.so is the name of the composite object file, and invoking the startup procedure to restart the system:
> ((scheme-start))
The point of setting scheme-start, however, is to allow the set of object files to be converted into a boot file. Boot files are loaded during the process of building the initial heap. Because of this, boot files have the following advantages over ordinary object files.
A boot file is simply an object file, possibly containing the code for more than one source file, prefixed by a boot header. The boot header identifies a base boot file upon which the application directly depends, or possibly two or more alternatives upon which the application can be run. In most cases, petite.boot will be identified as the base boot file, but in a layered application it may be another boot file of your creation that in turn depends upon petite.boot. The base boot file, and its base boot file, if any, are loaded automatically when your application boot file is loaded.
Boot files are created with make-boot-file. This procedure accepts two or more arguments. The first is a string naming the file into which the boot header and object code should be placed, the second is a list of strings naming base boot files, and the remainder are strings naming input files. For example, the call:
(make-boot-file "app.boot" '("petite") "app1.so" "app2.ss" "app3.so")
creates the boot file app.boot that identifies a dependency upon petite.boot and contains the object code for app1.so, the object code resulting from compiling app2.ss, and the object code for app3.so. The call:
(make-boot-file "app.boot" '("scheme" "petite") "app.so")
creates a header file that identifies a dependency upon either scheme.boot or petite.boot, with the object code from app.so. In the former case, the system will automatically load petite.boot when the application boot file is loaded, and in the latter it will load scheme.boot if it can find it, otherwise petite.boot. This would allow your application to run on top of the full Chez Scheme if present, otherwise Petite Chez Scheme.
In most cases, you can construct your application so it does not depend upon features of Chez Scheme (specifically, the compiler) by specifying only "petite" in the call to make-boot-file. If your application calls eval, however, and you wish to allow users to be able to take advantage of the faster execution speed of compiled code, then specifying both "scheme" and "petite" is appropriate.
Distributing the Application. Distributing an application involves can be as simple as creating a distribution package that includes the following items:
The application installation script should install Petite Chez Scheme if not already installed on the target system. It should install the application boot file in the same directory as the Petite Chez Scheme boot file petite.boot is installed, and it should should install the application shared libraries, if any, either in the same location or in a standard location for shared libraries on the target system. It should also create a link to or copy of the Petite Chez Scheme executable under the name of your application, i.e., the name given to your application boot file. Where appropriate, it should also install desktop and start-menu shortcuts to run the executable.
Chez Scheme recognizes the following command-line options.
| -q, --quiet | suppress greeting and prompt |
| --script path | run as shell script |
| --program path | run rnrs top-level program as shell script |
| --libdirs dir:... | set library directories |
| --libexts ext:... | set library extensions |
| --compile-imported-libraries | compile libraries before loading |
| --import-notify | enable import search messages |
| --optimize-level 0 | 1 | 2 | 3 | set initial optimize level |
| --debug-on-exception | on uncaught exception, call debug |
| --eedisable | disable expression editor |
| --eehistory off | path | expression-editor history file |
| --enable-object-counts | have collector maintain object counts |
| --retain-static-relocation | keep reloc info for compute-size, etc. |
| -b path, --boot path | load boot file |
| --verbose | trace boot-file search process |
| --version | print version and exit |
| --help | print help and exit |
| -- | pass through remaining args |
The following options are recognized but cause the system to print an error message and exit because saved heaps are no longer supported.
| -h path, --heap path | load heap file |
| -s[n] path, --saveheap[n] path | save heap file |
| -c, --compact | toggle compaction flag |
Any remaining command-line arguments are treated as the names of files to be loaded before Chez Scheme begins interacting with the user.
Most of the options are described elsewhere in this chapter, and a few are self-explanatory. The remainder pertain the loading of boot files at system start-up time and are described below.
When Chez Scheme is run, it looks for one or more boot files to load. Boot files contain the compiled Scheme code that implements most of the Scheme system, including the interpreter, compiler, and most libraries. Boot files may be specified explicitly on the command line via -b options or implicitly. In the simplest case, no -b options are given and the necessary boot files are loaded automatically based on the name of the executable.
For example, if the executable name is "frob", the system looks for "frob.boot" in a set of standard directories. It also looks for and loads any subordinate boot files required by "frob.boot".
Subordinate boot files are also loaded automatically for the first boot file explicitly specified via the command line. Each boot file must be listed before those that depend upon it.
The --verbose option may be used to trace the file searching process and must appear before any boot arguments for which search tracing is desired.
Ordinarily, the search for boot files is limited to a set of installation directories, but this may be overridden by setting the environment variable SCHEMEHEAPDIRS. SCHEMEHEAPDIRS should be a colon-separated list of directories, listed in the order in which they should be searched. Within each directory, the two-character escape sequence "%v" is replaced by the current version, and the two-character escape sequence "%m" is replaced by the machine type. A percent followed by any other character is replaced by the second character; in particular, "%%" is replaced by "%", and "%:" is replaced by ":". If SCHEMEHEAPDIRS ends in a non-escaped colon, the default directories are searched after those in SCHEMEHEAPDIRS; otherwise, only those listed in SCHEMEHEAPDIRS are searched.
Under Windows, semi-colons are used in place of colons, and one additional escape is recognized: "%x," which is replaced by the directory in which the executable file resides. The default search path under Windows consists of "%x" and "%x\..\..\boot\%m." The registry key HeapSearchPath in HKLM\SOFTWARE\Chez Scheme\csvversion, where version is the Chez Scheme version number, e.g., 7.9.4, can be set to override the default search path, and the SCHEMEHEAPDIRS environment variable overrides both the default and the registry setting, if any.
Boot files consist of ordinary compiled code and consist of a boot header and the compiled code for one or more source files. See Section 2.8 for instructions on how to create boot files.
Chez Scheme Version 9 User's Guide
Copyright © 2016 Cisco Systems, Inc.
Licensed under the Apache License Version 2.0
(full copyright notice.).
Revised June 2016 for Chez Scheme Version 9.4
about this book


SELECTED HYMNS
902 — 939
Hymns
902 — 909
GOSPEL
SEL. 902
1. O, vanity, vanity, all things are vanity;
Jesus Christ, Jesus Christ is our reality.
Calling upon Him we've left Christianity,
Building His Church in each locality.
2. When we call O Lord Jesus, it really releases,
We're filled and we're satisfied as Christ increases.
The more that we call upon Jesus our Lord,
The more we'll enjoy Him as life evermore.
3. If you want to be freed from your dumbness and misery,
Call on the Lord and He'll free you spontaneously;
Don't wait forever, just open up to the flow,
Then you will live and Christ in you will grow.
1. Kahungkagan, O hungkag, lahat pawang hungkag!
O Hesus! O Kristo! Siya lamang di hungkag;
Iwanan ang Kristiyanidad, tawagin Siya,
Itayo ang lokal na ekklesia.
2. Nang tawagin "O Hesus!" 'spiritu'y lumaya,
Napuno, nabusog, umapaw, natuwa!
Lalong tatawagin: Panginoong Hesus,
Buhay at pagtamasa ay lubos!
3. Laya sa pagkapipi, 'di masabing dusa,
Tawagin "O Hesus!" gapos mo'y mawala;
Huwag mag-atubili sumama sa agos,
Pangino'n sa iyo lalagong lubos.
GOSPEL
SEL. 903 (TS-816)
1. Do you know what you were made for?
Do you ever wonder why?
What's the purpose of your being?
What's the reason you're alive?

2. Deep within you have a spirit,
Even deeper than your heart;
Many other things can fill you,
But only Jesus can fill this part.
You have been so empty all these years,
In spite of all you've tried,
You're still not satisfied.
Don't you feel a longing deep within,
To open up and take Christ in?
3. Doesn't matter how you see things,
For in God's eyes, "all have sinned;"
Jesus shed His blood to cleanse you,
For the purpose of getting in.
He's done everything there is to do,
And He's the Spirit now
So He can get in you.
Makes no difference what your past has been;
The living Christ will still come in.
4. Just as you are in your body,
Perfectly contained therein,
God wants you for His container,
All you need to do is let Him in.
Would you open up from deep within?
To let the Lord come in
And fill you to the brim.
Why not open up from deep within
And call upon the name of Him.
1. Bakit ka kaya nilikha?
Ikaw ba ay namamangha?
Ano ba ang iyong layunin?
Bakit ka nabubuhay rin?
Nais ng Diyos maging iyong buhay,
Siya'y maging iyong buhay,
Siya'y maging iyong buhay;
Nilikha kang isang sisidlan,
Nang Siya'y maging iyong laman.
2. Taglay mo ang espiritu,
Mas malalim sa puso mo;
Punuin ka man ng mundo,
Hungkag din ang espiritu.
Matagal kang may kahungkagan,
Lahat mong natikman,
Di ka nasiyahan,
Puso mo nawa'y buksang lubos,
Papasukin si Hesus.
3. Anuman ang iyong isipin,
Sa Diyos lahat ay salarin,
Daloy ng dugo ni Hesus,
Kasalanan mo'y tinubos.
Hesus ang lahat ay ginanap,
Nang Siya'y iyong matanggap,
Huwag kang magsumikap,
Espiritu'y pupunuin ka
Ng dibinong buhay Niya.
4. Katawan mo ay sisidlan
Ng iyong buong katauhan,
Gayundin iyong espiritu,
Nais ng Diyos masidlan 'to.
Mula sa kaibuturan mo,
Buksan ang iyong puso,
Siya'y papasukin mo,
Mula sa iyong kailaliman,
Tawagin Kanyang ngalan.
GOSPEL
SEL. 904 (TS-817)
1. Do you know what you were saved for?
Do you ever wonder why?
What is God's intent and purpose?
Why has Christ become your life?
Up till now we Christians only knew
Christ wants to get in you,
And that, indeed, is true;
Yet the vision goes much deeper still,
He has a plan He must fulfill.
2. Eden's river has a purpose,
Bringing life where'er it goes;
God's salvation, like a river,
Goes through stages as it flows.
First we're saved from Satan's tyranny,
And later, we will see,
From Christianity.
God is flowing in recovery,
Just open up to Him and see.
3. Not just individual Christians,
Isolated, wand'ring free,
But as stones built up together,
Christ expressing corporately.
We were saved just Jesus to contain,
But there's reason too,
That Christ came into you;
He came in, His purpose to secure,
To gain for Him a Bride so pure.
4. Not the stones, though very precious,
Elevated "spiritually,"
But the stones built up together
In the Spirit, practically.
You will ne'er be fully satisfied,
Or be content inside,
Till Jesus has His Bride.
Did you know the Lord is seeking you
To build into His building true?
GOSPEL
SEL. 906 (TS-819)
1. We have searched all o'er the mountain and the ridges,
Hoping to know the truth of this life,
Time and again, however, we met frustration,
Knowing this is all the world could give.
Then one day, Thou comest to meet us on the way,
Drawing us with Thy full affection,
We were drawn to Thee, Lord, in Thy sweetness to stay,
Now we know the real meaning of life.
2. Thy glorious face in resurrection we behold,
Knowing the crown of thorns Thou once wore;
Now I'm fully trusting in the hand of our Lord,
The hand with the mark of the nails bore.
Thy own lovely self we're enjoying here today,
Thou art more real day after day.
Like the flowing water returning to the sea,
Unknowingly we are lost in Thee.
1. Kabundukan at libis sinaliksik na,
Mabatid ang buhay siyang nasa;
Nguni't paulit-ulit lamang nabigo,
Wala nang mabigay ang mundo.
Hanggang sa Ika'y dumating sa 'king landas,
Puso Mo sa aki'y nagbukas;
Napasa Iyong tamis at naakit ako,
Halaga ng buhay natanto.
2. L'walhati ng pagkabuhay namasdan ko,
Putong ng tinik dinanas Mo;
Kamay Mong kaibig-ibig siyang alalay,
Bakas ng pagkapako'y taglay.
Kaibig-ibig Mong Sarili'y tamasa,
Higit Kang tunay nadarama.
Tulad ng tubig bumabalik sa dagat,
Sa Iyo, kami'y naglahong lahat.
GOSPEL
SEL. 907 (TS-820)
1. Oh, friend, where are you now?
Daily toiling, on the run.
Yet you are leading an empty, empty life!
You've searched the whole world over,
Yet you are not satisfied,
And you feel there's always something lacking inside!
It's Jesus you need! He's Lord of all!
You need to enjoy all His riches!
Though your heart be larger than the world,
Only He can really, really satisfy you!
2. Oh!

It's Jesus you need! He's Lord of all!
You need to enjoy all His riches!
Though your heart be larger than the world,
Only He can really, really satisfy you!
1. Nasaan ka na ba? Araw-araw nagpagal,
Nguni't hungkag, hungkag, hungkag iyong buhay;
Nagsumikap sa lahat subali't di pa sapat,
Dama mo ngang may kulang, kulang na bagay.
Pangino'ng Hesus, iyong kai-langan!
Tamasahin mo Kanyang yaman!
Bagama't malaki sa mundo.
Kayang-kaya Niyang bigyang-siya iyong puso.
2. May siya ka nga sa sarili mo, mundo'y iyo,
Nguni't nasaan ang kasiyahan mo?
Tagumpay ka sa gawa, may kinabukasan ka,
Nguni't sa iyong kai-buturan: kulang pa!
Pangino'ng Hesus, iyong kai-langan!
Tamasahin mo Kanyang yaman!
Bagama't malaki sa mundo.
Kayang-kaya Niyang bigyang-siya iyong puso.
GOSPEL
SEL. 908 (TS-822)
1. (Brothers) Once I was an empty man,
My destiny in my own hand,
Not knowing what my hand is reaping.
Sometimes I smiled but inside weeping,
And this emptiness inside still remained.
No peace I gained,
Just emptiness inside me.
2. (Sisters) Even though I knew no way
To help myself or even pray,
Something deep within was seeking,
To know if life on earth had meaning;
And then I found the answer in a name.
I'm not the same,
Since I called on Jesus.
3.
This life and peace inside increases
By calling on the name of Jesus.
There's nothing for my soul on earth to seek.
I have no need;
I'm satisfied in Jesus.
GOSPEL
SEL. 909 (TS-829)
If you are empty
Wondering why you exist,
We have the answer now — Jesus!
If deep within
You have a hunger and thirst,
You can be satisfied — Jesus.
You no longer need to be in bondage and confusion,
No more need you be a slave to sin and self-delusion.
Jesus is near, available, ready now,
He's waiting for you to open and will show you how. Just call—
Jesus — darkness is changed to light.
Jesus — His peace is out of sight.
Jesus — you're gonna be all right now.
Hymns
910 — 919
GOSPEL
SEL. 910
Life begins when Jesus comes in,
Bringing joy and gladness within;
Gone sin and sorrow,
And bright each tomorrow,
For life begins when Jesus comes in.
Buhay ko ay nagsimula
Nang si Kristo'y maging akin;
Lungkot at sala
Napawi sa akin,
Dahil Kristo'y naging buhay ko.
GOSPEL
SEL. 911 (TS-826)
My life was full of grief and pain,
And all my strifes were all in vain;
Since Lord Jesus came into my heart,
To be my Lord, my joy was full.
O how wonderful, is my Lord Jesus
O my dear friends, Why not receive Him?
Call upon His name, He will save you now.
Ang buhay ko'y napakasaklap;
Pawang sawi aking pagsikap.
Halina sa puso ko, Hesus,
Maging aking Poon at tustos.
Anong hiwaga ng aking Hesus!
Kaibigan, tanggapin mo Siya,
Tawagin ngalan Niya, ililigtas ka.
GOSPEL
SEL. 912
God's love is on each sinner gone astray.
He is longing for our return each day.
For His Son Jesus Christ, has ransom paid.
God has a big, big heart.
God has a big, big heart.
God has a big, big heart.
Though our sins be as high as mountain.
Through Jesus' blood they're all forgiven.
God has a big, big heart.
GOSPEL
SEL. 913
God's love is wonderful,
God's love is wonderful,
Wonderful that He should give
His Son to die for me.
God's love is wonderful.
GOSPEL
SEL. 914 (C-678)
Neither's there salvation in any other,
For there's none other name under heaven given, given among men,
Whereby we must be saved, whereby we must be saved,
Whereby we must be saved.
GOSPEL
SEL. 915 (TS-824)
1. Having things — having what there is to have of things:
Clothes and cars and houses, food and flings;
They pass away, they're fading things.
2. Doing things — for a day or two and then you're through
Rack your brain for something else to do.
It's all been done — there's nothing new.
Like a merry-go-round, when you're through it's not so real.
When the ride is over, you find you're empty still, so you seek. . . .
3. Something real — something that will last and satisfy,
Something solid that you can't deny,
The answer to your hungry cry.
There is something more than you've ever had before.
All that men dare hope for and more can now be found in someone. . . .
4. Satisfied — Jesus Christ you are so real to me.
You have ended all my vanity.
You fill the void that's deep in me.
Lord Jesus, You're Reality.
GOSPEL
SEL. 917
Jesus is a wonderful Savior, He will carry you through;
Jesus is a wonderful Savior, He will carry you through;
Jesus is a wonderful Savior, He will carry you through;
Until the battle's done and the victory is won.
My Lord will carry you through; O my precious brother.
When the world's on fire, you'll need my Jesus to be your Savior;
He'll hide you ever in the Rock of Ages, in the Rock of Ages just cleft for you.
GOSPEL
SEL. 918
1. If you wish to find the Lord, do not seek Him in the world,
For the world is not the place in which He dwells.
In which He dwells, in which He dwells,
In which He dwells, in which He dwells,
For the world is not the place in which He dwells.
2. If you wish to find the Lord, do not seek Him in the mind,
For the mind can only know, it cannot taste.
It cannot taste, it cannot taste,
It cannot taste, it cannot taste,
For the mind can only know, it cannot taste.
3. If you wish to find the Lord, you must open up your heart,
You must open up your heart and let Him in.
Let Him in, let Him in,
Let Him in, let Him in,
You must open up your heart and let Him in.
4.  Jesus is the Lord, and He lives in me;
Now I'm as happy as I can be.
O Hallelujah! O Hallelujah!
Jesus lives in me!
2. All the world is filled with vanity;
Jesus is the one reality.
O Hallelujah! O Hallelujah!
Jesus lives in me!
Hymns
920 — 929
GOSPEL
SEL. 920 (TS-830)
1. Call upon the name, call upon the name,
Call upon the name of the Lord;
Call upon the name, call upon the name,
Call upon the name of the Lord.
O Lord Jesus! O Lord Jesus!
Call upon the name of the Lord;
O Lord Jesus! O Lord Jesus!
Call upon the name of the Lord.
2.
O Lord Jesus! O Lord Jesus!
Hallelujah, now I am saved!
O Lord Jesus! O Lord Jesus!
Hallelujah, now I am saved!
GOSPEL
SEL. 921 (TS-831)
1. O dear friend listen to His calling,
Deep in your heart it keeps ringing;
How soft and tender is His sweet voice,
and yet it is so real.
He invites you His love to possess,
That you may experience His riches;
He invites you to live for His will,
Through you He'll be satisfied still.
2. My love, my love, it's such a wonder,
Thy voice is so sweet and tender;
It melts my heart and makes me lose
myself completely in Thee.
Not only beloved child I'll be;
But to follow Thy footsteps firmly,
To obey Thy will, Thy friend I'll be,
That Thou be satisfied through me.
GOSPEL
SEL. 923 (TS-833)
There is a bright new life that's so exciting
And you can have this life if you decide.
The Lord can fill that lonely empty feeling
He'll give you joy and happiness inside.
Now you don't have to fully understand it,
Or try to comprehend the hows and whys;
But He will give you more than you could hope for,
Much more than you could ever realize.
You can experience something that is wonderful.
You can experience something that is grand.
You can experience something that is marvelous;
If you let the Savior take you by the hand.
There is a bright new life that's so exciting
And you can have this life if you decide.
The Lord can fill that lonely empty feeling
He'll give you joy and happiness inside.
GOSPEL
SEL. 926
1. One sat alone beside the highway begging,
His eyes were blind, the light he could not see;
He clutched his rags and shivered in the shadows,
Then Jesus came and bade his darkness flee.
When Jesus comes the tempter's pow'r is broken;
When Jesus comes the tears are wiped away.
He takes the gloom and fills the life with glory,
For all is changed when Jesus comes to stay.
2. From home and friends the evil spirits drove him,
Among the tombs he dwelt in misery;
He cut himself as demon pow'rs possessed him,
Then Jesus came and set the captive free.
When Jesus comes the tempter's pow'r is broken;
When Jesus comes the tears are wiped away.
He takes the gloom and fills the life with glory,
For all is changed when Jesus comes to stay.
3. "Unclean! Unclean!" the leper cried in torment,
The deaf, the dumb, in helplessness stood near;
The fever raged, disease had gripped its victim,
Then Jesus came and cast out every fear.
When Jesus comes the tempter's pow'r is broken;
When Jesus comes the tears are wiped away.
He takes the gloom and fills the life with glory,
For all is changed when Jesus comes to stay.
4. Their hearts were sad as in the tomb they laid him,
For death had come and taken him away;
Their night was dark and bitter tears were falling,
Then Jesus came and night was turned to day.
When Jesus comes the tempter's pow'r is broken;
When Jesus comes the tears are wiped away.
He takes the gloom and fills the life with glory,
For all is changed when Jesus comes to stay.
5. So men today have found the Savior able,
They could not conquer passion, lust and sin;
Their broken hearts had left them sad and lonely,
Then Jesus came and dwelt, Himself, within.
When Jesus comes the tempter's pow'r is broken;
When Jesus comes the tears are wiped away.
He takes the gloom and fills the life with glory,
For all is changed when Jesus comes to stay.
GOSPEL
SEL. 927
1. There's a Man Who died to set us free,
Everybody knows it's Jesus;
He came down from heaven just to live in me,
Everybody knows it's Jesus!
Jesus, Jesus, everybody call on Jesus!
Just open your heart and open your mouth,
Yes, everybody call on Jesus!
2. There's no other name on which to call,
So open up and call on Jesus;
Stop your doubting and start to call,
Just open up and call on Jesus!
Jesus, Jesus, everybody call on Jesus!
Just open your heart and open your mouth,
Yes, everybody call on Jesus!
3. Religion never made it and it never will,
All the people need is Jesus!
Knowledge won't help either, all it does is kill!
The only need you have is Jesus!
Jesus, Jesus, everybody call on Jesus!
Just open your heart and open your mouth,
Yes, everybody call on Jesus!
4. Jesus fills the empty places with Himself,
Come along and call, "Lord Jesus!"
Listen closely while we tell you 'bout His wealth,
Come along and call, "Lord Jesus!"
Jesus, Jesus, everybody call on Jesus!
Just open your heart and open your mouth,
Yes, everybody call on Jesus!
5. God's been waiting just to get inside of you,
So turn to him and call, "Lord Jesus!"
Open up your heart and let Him into you
By calling on the name of Jesus!
Jesus, Jesus, everybody call on Jesus!
Just open your heart and open your mouth,
Yes, everybody call on Jesus!
GOSPEL
SEL. 928
1. I once gave my life to a big corporation,
Climbing the ladder to status and pay;
I thought my career was my life's biggest meaning,
Then I found Jesus, now He's boss today.
Where, O where are you tonight?
How can you leave here, lost and alone?
We've searched the world over,
And thought we found true life,
Then we found Jesus, and He brought us home.
2. For hours I tried to become intellectual,
Learning, researching, expanding my head;
I thought that the meaning of being was knowledge,
Then I touched Jesus, and got life instead!
Where, O where are you tonight?
How can you leave here, lost and alone?
We've searched the world over,
And thought we found true life,
Then we found Jesus, and He brought us home.
3. Oh! I spent a lifetime in studying the Bible,
Trying to understand God in my head;
But finally I turned from my research to calling,
Then I touched Christ, and got raised from the dead.
Where, O where are you tonight?
How can you leave here, lost and alone?
We've searched the world over,
And thought we found true life,
Then we found Jesus, and He brought us home.
GOSPEL
SEL. 929
1. Now this was once my situation,
Wanting to be a sensation,
In my fellows' estimation quite a guy!
But all I met was great frustration,
And the endless aggravation
Of those unseen complications in myself.
And it made me want to say, "It's a raw deal!"
And it made me want to think, "Only if. . . ."

2. But then I had a confrontation,
With a joyful delegation,
They were filled with great elation, Jesus too!
And Jesus paid a visitation,
By His new life germination,
I became a new creation through and through.
Oh, He made me scream and shout, "Hallelujah!"
Oh, He made me cry aloud, "O my Lord!"
Oh, He flooded me with joy
'Cause the glory in my spirit
Made me part of God's own family.
3. So, if you're craving liberation
From your old life's degradation,
You have found your destination here tonight!
Just turn your heart in preparation,
And proclaim your declaration,
"Jesus, be my full salvation, be my life!"
Now you've touched Him, so cry out, "Hallelujah!"

"Jesus Lord, You are much more
Than I ever dreamed or longed for,
Take my life, Lord, I belong to You!"
Hymns
930 — 939
GOSPEL
SEL. 930
I'm saved, saved, saved,
My sins are all taken away;
I'm saved, saved, saved,
And happy in Jesus each day.
He's taken away all the burden of sin,
The blood stream from Calvary cleanses within,
And now I can shout,
For there's never a doubt,
That I'm saved, saved, saved.
GOSPEL
SEL. 931
1. I always knew deep down in me,
There was a longing to be free,
A kind of hunger deep inside—
To fill it up, I tried and tried.
There were a lot of things I had;
Some things were good,
Some things were bad.
But all those things of mine before
Don't satisfy me anymore.
Now life affords a real reward
Whenever I just call, "O Lord!"
The Triune God the Spirit is,
And He can fill mine up with His.
2. I always knew deep down in me
There was a longing to be free,
A kind of hunger deep inside—
But now it can be satisfied. . .
Christ in my heart — the only way
To spread within me day by day.
Lord Jesus! Lord, I have to say
You're home in me and home to stay!
O Lord, I know now You will grow
And from my spirit overflow!
Now saturate me through and through!
O Lord Jesus, I love You!
O Lord Jesus, I love You!
O Lord Jesus, I love You!
GOSPEL
SEL. 932
Romans 5:1, 8
1. Therefore being justified by faith,
We have peace with God
Through our Lord Jesus Christ.
Because the love of God is shed abroad
In our hearts by the Holy Spirit
Which is given, which is given
Unto us, to us, to us.
2. God had commendeth His love toward us,
In that, while we were yet sinners,
Christ died for us.
Because the love of God is shed abroad
In our hearts by the Holy Spirit
Which is given, which is given
Unto us, to us, to us.
GOSPEL
SEL. 933
1. Praise the Lord, God sent His Son,
Hallelujah!
And salvation's work was done,
Glory to God!
God Himself became a man,
So that we might live in Him.
That's why I call on Him,
I give my all to Him.
2. For us He was crucified, Hallelujah!
For the many, one Man died, glory to God!
One grain fell into the earth,
Many grains to bring to birth.
That's why I call on Him,
I give my all to Him.
3. He arose in victory, Hallelujah!
From the grave, triumphantly,
Glory to God!
Now in resurrection He
As the Spirit lives in me.
That's why I call on Him,
I give my all to Him.
4. Call on Him from deep within, Hallelujah!
Just by calling, He comes in, glory to God!
Once you call upon His name,
Nevermore you'll be the same.
We all must call on Him,
We give our all to Him.
1. Purihin Anak ng Diyos, Aleluya!
Sinugo Siya't nagtubos, gloria sa Diyos!
Diyos Mismo naging tao,
Nang buhay Niya matamo.
Kaya Siya'y tawagin,
Sa Kanya'y paangkin.
2. Para sa 'tin pinako, Aleluya!
Sa lahat Siya'y namatay, gloria sa Diyos!
'Sang trigo binaôn na,
Marami ang 'binunga.
Kaya Siya'y tawagin,
Sa Kanya'y paangkin.
3. Nabuhay, nagtagumpay, Aleluya!
Dinaig kamatayan, gloria sa Diyos!
Bilang Espiritu Siya,
Sa 'kin nanahanan na.
Kaya Siya'y tawagin,
Sa Kanya'y paangkin.
4. Tawagin O Pangino'n, Aleluya!
Papasok Siyang talaga, gloria sa Diyos!
Tawagin ang ngalan Niya,
Ika'y babaguhin nga.
Kaya Siya'y tawagin,
Sa Kanya'y paangkin.
GOSPEL
SEL. 934
1. I've got a home in glory land that outshines the sun,
I've got a home in glory land that outshines the sun,
I've got a home in glory land that outshines the sun,
Way beyond the blue.
My friends, O my friends, it's for you to share too,
My friends, O my friends, it's for you to share too,
My friends, O my friends, it's for you to share too,
Way beyond the blue.
2. I took Jesus as my Savior; you take Him too,
I took Jesus as my Savior; you take Him too,
I took Jesus as my Savior; you take Him too,
While He's calling you.

GOSPEL
SEL. 936
1. I would love to tell you what I think of Jesus,
Since I found in Him a friend so strong and true;
I would tell you how He changed my life completely,
He did something that no other friend could do.
No one ever cared for me like Jesus,
There's no other friend so kind as He;
No one else could take the sin and darkness from me,
O how much He cared for me.
2.
No one ever cared for me like Jesus,
There's no other friend so kind as He;
No one else could take the sin and darkness from me,
O how much He cared for me.
1. Nais kong si Hesus ay aking isaysay,
Nakita kong Siya'y tapat na kaibigan;
Kung paanong binago ang aking buhay
Ay hindi magagawa ng sinuman.
Si Hesus ay di-mapaparisan,
Maunawain na kaibigan;
Pinaram ang aking mga kasalanan,
At ako'y iningatan.
2. Lugmok sa sala nang ako'y makita Niya,
Puso ko'y batbat ng dusa't balisa;
Yakap ni Hesus sa 'ki'y nagpaligaya,
At sa daan ako'y ginabayan Niya.
Si Hesus ay di-mapaparisan,
Maunawain na kaibigan;
Pinaram ang aking mga kasalanan,
At ako'y iningatan.
3. Pinatitibay ang aking pananalig,
At talos ko ang pintig ng pag-ibig,
Nguni't ang pagsakop Niya'y di ko malirip
Hanggang ang Kanyang mukha ay mamasid.
Si Hesus ay di-mapaparisan,
Maunawain na kaibigan;
Pinaram ang aking mga kasalanan,
At ako'y iningatan.
GOSPEL
SEL. 937
1. All throughout the darkest night,
Shining stars were not in sight,
God remembered still His holy covenant right;
While we sit at darkness' height,
On death-roads we see no light,
Rising sun of God from heav'n comes shining bright.
God's compassion-heart alway
Cares for sinners' sore dismay,
Guides our feet unto His peace in all the way;
Darkness now He drives away,
God's salvation's here to stay,
And He turns us from our night into day.
2. Thou hast sought the lost like me,
Thou hast set the sinners free,
Thou hast filled the wretched souls with heavenly glee;
God Himself lived out from Thee,
Saving grace in Thee we see,
Thou hast brought to earth the joy of jubilee.
Thou the mingled God and man,
Thou the perfect Holy One,
Thou expressed the human virtues of the Son;
Love Thee, Savior, I avow,
Worship Thee, my heart doth bow,
Praise Thee, Lord, for Thou hast dwelt in me now.
1. Sa pagtahak ko sa buhay
Na nasa karimlan,
Naalala pa ng Diyos tipan Niyang banal;
Habang nakalugmok sa
Lilim ng kamatayan,
Bukang-liwayway ng Diyos ay dumatal.
Diyos 'ming dinalanginan,
Kami ay kahabagan,
Gabayan sa daan ng kapayapaan;
Dilim, Kanyang pinaram,
Gabi'y niliwanagan,
Kaligtasan ng Diyos ay nasumpungan.
2. Kinalinga ang mga
Aba at nawawala,
Mga makasalanan ay pinalaya;
Nasinag ang Diyos at
Nagliligtas Mong biyaya,
Naghatid ng ligaya rito sa lupa.
Diyos-taong pinaglangkap,
Sakdal sa kabanalan,
Katangian ng Anak inihahayag;
Sambahin Ka't mahalin
Panata ng puso ko,
Purihin Ka Hesus nanahan sa 'kin.
GOSPEL
SEL. 938
(Tune: Hymn1054)
Chapter 71, Messages given during the Resumption of Watchman Nee's Ministry, Vol.2
1. Hear the voice of love, O sinner,
'Tis the Savior's cry;
While He's seeking for the sinners,
Do not pass Him by!
Sinner, sinner,
Hear the Savior's cry,
While He's seeking for the sinners,
Do not pass Him by!
2.
Savior, Savior,
hear my earnest cry,
While the others You are calling,
Do not pass me by!
1. Tinig ng pag-ibig dinggin,
Taong salarin;
Tagapagligtas naghanap,
Talikdan Siya'y h'wag.
Dinggin, dinggin
ang pagtawag Niya,
Maysala'y hinahanap Niya,
Huwag talikdan Siya!
2. Manliligtas huwag lampasan,
Ako'y pakinggan;
Kung iba'y tinatawag Mo,
'Ko'y di lampasan!
Tagapagligtas, dinggin Mo ako.
Habang iba'y tinawag Mo,
Huwag lamp'san ako!
GOSPEL
SEL. 939
Let Me Love
Let me love and not be requited,
Let me serve and not be rewarded,
Let me labor and not be remembered,
Let me suffer and not be regarded.
Let me pour wine, while I drink not,
Let me break bread, while I eat not,
Pour our my life that others be blessed,
Lose my self life that they be comforted.
I do not seek pity or wishes,
I do not seek glory or riches,
But I'd rather be lonely, wretched
Be discarded, be wrongly treated.
With my blood and tears
pay the price to gain the crown
On this pilgrims' ground
bear all sorrows that abound
For this way you did tread when you lived
on this earth which is of your own
Gladly bore all loss as You purposed,
That the people around you be composed.
I know not how far the future lies ahead,
On this path of no retreating I am led.
So let me, Lord, now learn
of Your perfect pattern,
Suffered wrong, no resentment in return.
May you in this tedious, dark interim
Wipe away all my tears, somber and dim.

Hayaan Mong umibig ako,
Hayaan Mong maglingkod ako,
Umibig nang di gagantihan,
Maglilingkod nang di babayaran.
Binuhos kong alak, di natikman,
Tinapay pinutol, di nagsimpan,
Buhay ko sa iba'y pagpapala
Aking binuhos, maaliw sila.
Di ko nais awa't, pagbati
Di ko nais yaman, l'walhati
Manapa'y mamanglaw, hamakin
Maiwaksi, alipustahin.
Ang putong sa dugo't
luha ko'y katumbas,
Lahat ng lumbay pasan sa 'king landas,
Pagka't tinahak Mo'ng daang ito
Nang Ikaw ay nabuhay sa mundo
Pagkalugi'y babatahin ko
Upang mga tao'y mahusay Mo.
Aking hinaharap di ko malaman,
Sa landasin itong walang urungan
Nawa'y Iyong tularan
aking matutuhan.
Di magdamdam, kahit pagkamalan.
Sa bagot at mapagal na daan
Pawiin Mo'ng luha't kapanglawan
Pagka't ang aliw ko'y Ikaw mahal,
Buhay ko nawa'y maging 'sang bukal.


|
VSTGUI
4.1
Graphical User Interface Framework not only for VST plugins
|
Declaration:
<view class="CView" />
Attributes:
Declaration:
<view class="CViewContainer" />
Inherites attributes from CView
Attributes:
A CControl is an abstract class and can not be created directly
Inherites attributes from CView
Attributes:
Declaration:
<view class="COnOffButton" />
Inherites attributes from CControl
Declaration:
<view class="CParamDisplay" />
Inherites attributes from CControl
Attributes:
Declaration:
<view class="CTextLabel" />
Inherites attributes from CParamDisplay
Attributes:
Declaration:
<view class="CTextEdit" />
Inherites attributes from CParamDisplay
Attributes:
Declaration:
<view class="CKnob" />
Inherites attributes from CControl
Attributes:
Declaration:
<view class="CAnimKnob" />
Inherites attributes from CKnob
Attributes:
Declaration:
<view class="CVerticalSwitch" />
Inherites attributes from CControl
Attributes:
Declaration:
<view class="CHorizontalSwitch" />
Inherites attributes from CControl
Attributes:
Declaration:
<view class="CRockerSwitch" />
Inherites attributes from CControl
Attributes:
Declaration:
<view class="CMovieBitmap" />
Inherites attributes from CControl
Attributes:
Declaration:
<view class="CMovieButton" />
Inherites attributes from CControl
Attributes:
Declaration:
<view class="CKickButton" />
Inherites attributes from CControl
Attributes:
Declaration:
<view class="CSlider" />
Inherites attributes from CControl
Attributes:


I am a second semester part time graduate student studying Business Information Systems. I currently work at Prudential Financial as a Project Manager supporting financial and actuarial initiatives. Outside of school and work I have an interest in looking at real estate, playing sports, and working on cars and bikes.
View LinkedIn ProfileI am a first semester full time graduate student for Business and Information Systems. I have completed my undergraduate degree from Mumbai, India.
View LinkedIn Profile


Indigo flight makes emergency landing in Chennai
The flight made a safe landing.
by PTIAn Indigo aircraft from Coimbatore carrying 168 passengers made an emergency landing here following detection of a smoke alarm on Wednesday, airport officials said.
The flight made a safe landing and all the passengers and crew members onboard were safe, they said.
Pilot of the Coimbatore-Chennai service contacted the control room after detecting the smoke alarm from the cargo area and sought priority landing, they added.
Further details are awaited.


Class vfsStreamWrapperMkDirTestCase
Test for org\bovigo\vfs\vfsStreamWrapper around mkdir().
- PHPUnit_Framework_TestCase
- org\bovigo\vfs\vfsStreamWrapperBaseTestCase
- org\bovigo\vfs\vfsStreamWrapperMkDirTestCase
Namespace: org\bovigo\vfs
Package: bovigo\vfs\test
Located at vendor/mikey179/vfsStream/src/test/php/org/bovigo/vfs/vfsStreamWrapperDirTestCase.php
Package: bovigo\vfs\test
Located at vendor/mikey179/vfsStream/src/test/php/org/bovigo/vfs/vfsStreamWrapperDirTestCase.php
public
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#
mkdirNonRecursivelyDifferentPermissions( )
assert that mkdir() creates the correct directory structure |
public
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#
mkdirRecursivelyDifferentPermissions( )
assert that mkdir() creates the correct directory structure |
public
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#
mkdirRecursivelyUsesDefaultPermissions( )
assert that mkdir() creates the correct directory structure |
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setUp()
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$bar,
$barURL,
$baz1,
$baz1URL,
$baz2,
$baz2URL,
$foo,
$fooURL
|


Lifestyle
Music
Fav Song of August 2017
August 17, 2017
Beauty and the Beast - John Legend & Ariana Grande
.
.
Being a pretty big Disney fan of the original Beauty and the Beast, I have to admit that I
still have yet to watch the live version of this movie. I know I’m pretty late but I’m actually trying to
find the perfect time to watch it with Anmol. I have to say though, that I’m completely obsessed with this
song and it still never fails to sound so magical even a few months after the hype. It’s such a pretty
modern take of the original song, bringing me back to that princessy dreamy state and of course, those
funny childhood memories. I listen to this every time I have that desire to feel an emotional type of
vibe, lol! You know what I mean? Ladies?
What song brings the vibes this month?
Sincerely, Nathalee
♥


ZONE ENDPOINT
Zone consists of several endpoints including:
TYPE ALL
- path: /api/zone
- method: get
- response: application/json
- body: no
- roles: admin
- usage: Get all zone data
ZONE ADD
- path: /api/zone
- method: post
- response: application/json
- body: raw
- roles: admin
- usage: Add new zone
raw:
{
"insert": {
"fields": {
"nm_zone": string
}
}
}
fields:
- nm_zone: Name of the zone that would be inserted
example:
{
"insert": {
"fields": {
"nm_zone": "tylerberkarya.com"
}
}
}
See rules for other examples
ZONE WHERE
- path: /api/zone
- method: post
- response: application/json
- body: raw
- roles: admin
- usage: Find zone data by tag (id or name) for filtering.
raw:
{
"where": {
"tags": {
"id_zone": zone::id_zone,
"nm_zone": zone::nm_zone
}
}
}
tags:
- id_zone: id of the zone that you're searching
- nm_zone: name of the zone data that you're searching
example:
{
"where": {
"tags": {
"nm_type": "kucing.com"
}
}
}
ZONE REMOVE
- path: /api/zone
- method: post
- response: application/json
- body: raw
- roles: admin
- usage: remove zone
raw:
{
"remove": {
"tags": {
"id_zone": zone::id_zone
}
}
}
tags:
- id_zone: id of zone that will be removed
example:
{
"remove": {
"tags": {
"id_zone": "402329670102745089"
}
}
}


Photos: Varun Dhawan, Shraddha Kapoor, Ileana D'Cruz, Sara Ali Khan and other Bollywood celebs attend 'Bala' screening
by TIMESOFINDIA.COMAyushman Khurrana's 'Bala' has been the talk of the town since the announcement. The film also got involved itself involved in several controversies.
The film's story revolves around a person who suffers from premature balding played by Ayushmann. The film stars Bhumi Pednekar and Yami Gautam as the leading ladies.
Now, ahead of the release, the makers of the film hosted a special screening for the friends from the fraternity. Celebs like Varun Dhawan with his girlfriend Natasha Dalal, Ileana D'Cruz, Shradhha Kapoor, Sara Ali Khan, Janhvi Kapoor, Varun Sharma, Shashank Khaitan, Homi Adajania, Dinesh Vijan and more attended the screening held in the city.
All of them posed for some pictures for the paparazzi and were all smiles for the cameras.
Check out the pictures here:
Meanwhile, 'Bala' helmed by Amar Kaushik also features Saurabh Shukla, Jaaved Jaaferi, Manoj Pahwa and Seema Pahwa in pivotal roles. The film will hit the theatres on November 08.


Smart Ride
Home
About
New Trip
Team 24 CodeU Project
This is Team 24's CodeU project. Click the link above to login.


Enumeration
RestQueryError
public enum RestQueryError: Error
The RestQuery error type.
Relationships
Conforms To
Error
Enumeration Cases
missingImplementation
case missingImplementation
The query is missing an operation implementation.
dynamicWrapDispatch
case dynamicWrapDispatch
The dynamic dispatch failed to invoke the typesafe wrap method successfully.
url
case url(URLError)
The construction of the request URL failed.
urlReponse
case urlReponse
The request result did not contain a response.
statusCode
case statusCode(Int)
The status code was not in the expected range.
bearer
case bearer
The bearer token is missing for request with implicit or explicit @Rest(bearer: true)
.
decode
case decode(DecodingError)
The decoding of the query result or bearer token failed.
encode
case encode(EncodingError)
The encoding of the query content failed.
other
case other(Error)
Some other issue.


Getting Started¶
The Getting Started Guide is comprised of several different sections; a User section that describes a basic installation and configuration of VPP (either manually or using a config utility), another install for Developers, which contains additional code that provides tools that are used in a development environment.
This section covers the following:
Describes how to manually install VPP Binaries on different OS platforms (Ubuntu, Centos) and then how to configure and use VPP.
Describes the different types of VPP packages, which are used in both basic and developer installs.
A VPP tutorial which is a great way to learn VPP basics.
The Users section covers configuration operations; this
How to configure and Run VPP manually.
How to use the Configuration Utility to install, and then configure VPP.
The Developers section covers the following areas:
Building VPP
Describes the components of the four VPP layers
How to Create, Add, Enable/Disable features
Discusses different aspects of Bounded-index Extensible Hashing (bihash)
The Writing VPP Documentation section covers the following topics:
How to build VPP documents
How to push your changes to the VPP Docs Repository
Identifies the different styles associated to reStructuredText
Identifies the different styles associated to Markdown
- Downloading and Installing VPP
- Progressive VPP Tutorial
- For Users
- For Developers
- Building VPP
- Running VPP
- GDB Examples
- Adding a plugin
- Add a plugin’s GO API
- Getting a Patch Reviewed
- Software Architecture
- VPPINFRA (Infrastructure)
- VLIB (Vector Processing Library)
- Packet generator input script
- Start vpp with 2 worker threads
- Enable tracing, and start the packet generator
- Sample Run
- Plugins
- VNET (VPP Network Stack)
- Feature Arcs
- Buffer Metadata
- Buffer Metadata Extensions
- Multi-architecture support
- Bounded-index Extensible Hashing (bihash)
- VPP API module
- Binary API Support
- Build System
- Event-logger
- G2 graphical event viewer
- FIB 2.0 Hierarchical, Protocol, Independent
- How to build a vpp dispatch trace aware Wireshark
- Punting Packets
- QUIC HostStack
- Cross compilation on MacOS
- Cloud NAT
- VPP API Language {#api_lang_doc}
- Writing Documents