Entry: JS_CompileScript (Function)
Summary: Compiles a script for execution.
Syntax:
JSScript * JS_CompileScript(JSContext *cx, JSObject *obj,
const char *bytes, size_t length, const char *filename,
uintN lineno);
Argument Type Description
cx JSContext * Pointer to a JS context from which to derive runtime information.
obj JSObject * Object with which the script is associated.
bytes const char * String containing the script to compile.
length size_t Size, in bytes, of the script to compile.
filename const char * Name of file or URL containing the script. Used to report filename or URL in error messages.
lineno uintN Line number. Used to report the offending line in the file or URL if an error occurs.
Description:
JS_CompileScript compiles a script, bytes, for execution. The script is associated with a JS object. bytes is the string containing the text of the script. length indicates the size of the text version of the script in bytes.
filename is the name of the file (or URL) containing the script. This information in included in error messages if an eror occurs during compilation. Similarly, lineno is used to report the line number of the script or file where an error occurred during compilation.
If a script compiles successfully, JS_CompileScript returns a pointer to the compiled script. Otherwise JS_CompileScript returns NULL, and reports an error.
See also:
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