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auto merge of #2194 : Ms2ger/servo/typeerror-2, r=jdm

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bors-servo 2014-04-28 13:19:36 -04:00
commit 0bfbe06f4b
3 changed files with 37 additions and 5 deletions
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7
src/components/script/dom/bindings/codegen/CodegenRust.py
View file

@ -143,7 +143,7 @@ class CGMethodCall(CGThing):
def __init__(self, argsPre, nativeMethodName, static, descriptor, method):
CGThing.__init__(self)
methodName = '"%s.%s"' % (descriptor.interface.identifier.name, method.identifier.name)
methodName = '\\"%s.%s\\"' % (descriptor.interface.identifier.name, method.identifier.name)
def requiredArgCount(signature):
arguments = signature[1]
@ -174,8 +174,8 @@ class CGMethodCall(CGThing):
if requiredArgs > 0:
code = (
"if argc < %d {\n"
" return 0; //XXXjdm throw exception\n"
" //return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, %s);\n"
" throw_type_error(cx, \"Not enough arguments to %s.\");\n"
" return 0;\n"
"}" % (requiredArgs, methodName))
self.cgRoot.prepend(
CGWrapper(CGIndenter(CGGeneric(code)), pre="\n", post="\n"))
@ -4327,6 +4327,7 @@ class CGBindingRoot(CGThing):
'dom::bindings::codegen::UnionTypes::*',
'dom::bindings::error::{FailureUnknown, Fallible, Error, ErrorResult}',
'dom::bindings::error::{throw_method_failed_with_details}',
'dom::bindings::error::throw_type_error',
'script_task::JSPageInfo',
'dom::bindings::proxyhandler',
'dom::bindings::proxyhandler::{_obj_toString, defineProperty}',

33
src/components/script/dom/bindings/error.rs
View file

@ -4,9 +4,12 @@
use js::jsapi::{JSContext, JSBool};
use js::jsapi::{JS_IsExceptionPending};
use js::jsapi::{JS_ReportErrorNumber, JSErrorFormatString, struct_JSErrorFormatString, JSEXN_TYPEERR};
use js::glue::{ReportError};
use libc;
use std::ptr;
#[deriving(Show)]
pub enum Error {
IndexSize,
@ -44,3 +47,31 @@ pub fn throw_not_in_union(cx: *JSContext, names: &'static str) -> JSBool {
});
return 0;
}
static ERROR_FORMAT_STRING_STRING: [libc::c_char, ..4] = [
'{' as libc::c_char,
'0' as libc::c_char,
'}' as libc::c_char,
0 as libc::c_char,
];
static ERROR_FORMAT_STRING: JSErrorFormatString = struct_JSErrorFormatString {
format: &ERROR_FORMAT_STRING_STRING as *libc::c_char,
argCount: 1,
exnType: JSEXN_TYPEERR as i16,
};
extern fn get_error_message(_user_ref: *mut libc::c_void,
_locale: *libc::c_char,
error_number: libc::c_uint) -> *JSErrorFormatString
{
assert_eq!(error_number, 0);
&ERROR_FORMAT_STRING as *JSErrorFormatString
}
pub fn throw_type_error(cx: *JSContext, error: &str) {
let error = error.to_c_str();
error.with_ref(|error| unsafe {
JS_ReportErrorNumber(cx, get_error_message, ptr::null(), 0, error);
});
}