diff options
Diffstat (limited to 'docs/03.API-EXAMPLE.md')
| -rw-r--r-- | docs/03.API-EXAMPLE.md | 33 |
1 files changed, 10 insertions, 23 deletions
diff --git a/docs/03.API-EXAMPLE.md b/docs/03.API-EXAMPLE.md index 848cb8dc..50a008f8 100644 --- a/docs/03.API-EXAMPLE.md +++ b/docs/03.API-EXAMPLE.md @@ -7,16 +7,14 @@ This guide is intended to introduce you to JerryScript embedding API through cre [doctest]: # () ```c -#include <string.h> #include "jerryscript.h" int main (void) { const jerry_char_t script[] = "var str = 'Hello, World!';"; - size_t script_size = strlen ((const char *) script); - bool ret_value = jerry_run_simple (script, script_size, JERRY_INIT_EMPTY); + bool ret_value = jerry_run_simple (script, sizeof (script) - 1, JERRY_INIT_EMPTY); return (ret_value ? 0 : 1); } @@ -37,7 +35,6 @@ Here we perform the same actions, as `jerry_run_simple`, while splitting into se [doctest]: # () ```c -#include <string.h> #include "jerryscript.h" #include "jerryscript-ext/handler.h" @@ -45,7 +42,6 @@ int main (void) { const jerry_char_t script[] = "print ('Hello, World!');"; - size_t script_size = strlen ((const char *) script); /* Initialize engine */ jerry_init (JERRY_INIT_EMPTY); @@ -55,7 +51,7 @@ main (void) jerryx_handler_print); /* Setup Global scope code */ - jerry_value_t parsed_code = jerry_parse (NULL, 0, script, script_size, JERRY_PARSE_NO_OPTS); + jerry_value_t parsed_code = jerry_parse (NULL, 0, script, sizeof (script) - 1, JERRY_PARSE_NO_OPTS); if (!jerry_value_is_error (parsed_code)) { @@ -83,7 +79,6 @@ Our code is more complex now, but it introduces possibilities to interact with J [doctest]: # () ```c -#include <string.h> #include "jerryscript.h" #include "jerryscript-ext/handler.h" @@ -104,7 +99,7 @@ main (void) /* Evaluate script1 */ eval_ret = jerry_eval (script_1, - strlen ((const char *) script_1), + sizeof (script_1) - 1, JERRY_PARSE_NO_OPTS); /* Free JavaScript value, returned by eval */ @@ -112,7 +107,7 @@ main (void) /* Evaluate script2 */ eval_ret = jerry_eval (script_2, - strlen ((const char *) script_2), + sizeof (script_2) - 1, JERRY_PARSE_NO_OPTS); /* Free JavaScript value, returned by eval */ @@ -132,7 +127,6 @@ This way, we execute two independent script parts in one execution environment. [doctest]: # () ```c -#include <string.h> #include "jerryscript.h" #include "jerryscript-ext/handler.h" @@ -168,7 +162,7 @@ main (void) /* Now starting script that would output value of just initialized field */ jerry_value_t eval_ret = jerry_eval (script, - strlen ((const char *) script), + sizeof (script) - 1, JERRY_PARSE_NO_OPTS); /* Free JavaScript value, returned by eval */ @@ -197,7 +191,6 @@ The following example function will output a JavaScript value: ```c #include <stdio.h> #include <stdlib.h> -#include <string.h> #include "jerryscript.h" static void @@ -312,7 +305,7 @@ main (void) } /* If the command is "quit", break the loop */ - if (!strncmp (cmd, "quit\n", strlen ("quit\n"))) + if (!strncmp (cmd, "quit\n", sizeof ("quit\n") - 1)) { break; } @@ -352,7 +345,6 @@ In this example we demonstrate how to use native function and structures in Java [doctest]: # () ```c -#include <string.h> #include "jerryscript.h" #include "jerryscript-ext/handler.h" @@ -417,10 +409,9 @@ main (void) var str = MyObject.myFunc (); \ print (str); \ "; - size_t script_size = strlen ((const char *) script); /* Evaluate script */ - jerry_value_t eval_ret = jerry_eval (script, script_size, JERRY_PARSE_NO_OPTS); + jerry_value_t eval_ret = jerry_eval (script, sizeof (script) - 1, JERRY_PARSE_NO_OPTS); /* Free JavaScript value, returned by eval */ jerry_release_value (eval_ret); @@ -445,7 +436,6 @@ Here we create a JS Object with `jerry_eval`, then extend it with a native funct [doctest]: # () ```c -#include <string.h> #include "jerryscript.h" #include "jerryscript-ext/handler.h" @@ -508,7 +498,7 @@ main (void) /* Evaluate script */ my_js_obj_val = jerry_eval (my_js_object, - strlen ((const char *) my_js_object), + sizeof (my_js_object) - 1, JERRY_PARSE_NO_OPTS); /* Create a JS function object and wrap into a jerry value */ @@ -529,10 +519,9 @@ main (void) MyObject.add2x (5); \ print (MyObject.foo ()); \ "; - size_t script_size = strlen ((const char *) script); /* Evaluate script */ - jerry_value_t eval_ret = jerry_eval (script, script_size, JERRY_PARSE_NO_OPTS); + jerry_value_t eval_ret = jerry_eval (script, sizeof (script) - 1, JERRY_PARSE_NO_OPTS); /* Free JavaScript value, returned by eval */ jerry_release_value (eval_ret); @@ -559,7 +548,6 @@ A recommended method is using `jerry_port_get_current_time()` or something based [doctest]: # () ```c -#include <string.h> #include <stdlib.h> #include "jerryscript.h" #include "jerryscript-port.h" @@ -573,7 +561,6 @@ main (void) /* Generate a random number, and print it */ const jerry_char_t script[] = "var a = Math.random (); print(a)"; - size_t script_size = strlen ((const char *) script); /* Initialize the engine */ jerry_init (JERRY_INIT_EMPTY); @@ -583,7 +570,7 @@ main (void) jerryx_handler_print); /* Evaluate the script */ - jerry_value_t eval_ret = jerry_eval (script, script_size, JERRY_PARSE_NO_OPTS); + jerry_value_t eval_ret = jerry_eval (script, sizeof (script) - 1, JERRY_PARSE_NO_OPTS); /* Free the JavaScript value returned by eval */ jerry_release_value (eval_ret); |