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Move some arrays into functions so they don't get cloned on each new context.

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Review URL: http://codereview.chromium.org/164396

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2672 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
whesse@chromium.org 2009-08-13 07:36:28 +00:00
parent 0b60fe88da
commit d35c815e94
2 changed files with 87 additions and 72 deletions
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143
src/messages.js
View File

@ -28,88 +28,36 @@
// -------------------------------------------------------------------
const kVowelSounds = {a: true, e: true, i: true, o: true, u: true, y: true};
const kCapitalVowelSounds = {a: true, e: true, i: true, o: true, u: true,
h: true, f: true, l: true, m: true, n: true, r: true, s: true, x: true,
y: true};
// Lazily initialized.
var kVowelSounds = 0;
var kCapitalVowelSounds = 0;
function GetInstanceName(cons) {
if (cons.length == 0) {
return "";
}
var first = %StringToLowerCase(StringCharAt.call(cons, 0));
var mapping = kVowelSounds;
if (kVowelSounds === 0) {
kVowelSounds = {a: true, e: true, i: true, o: true, u: true, y: true};
kCapitalVowelSounds = {a: true, e: true, i: true, o: true, u: true, h: true,
f: true, l: true, m: true, n: true, r: true, s: true, x: true, y: true};
}
var vowel_mapping = kVowelSounds;
if (cons.length > 1 && (StringCharAt.call(cons, 0) != first)) {
// First char is upper case
var second = %StringToLowerCase(StringCharAt.call(cons, 1));
// Second char is upper case
if (StringCharAt.call(cons, 1) != second)
mapping = kCapitalVowelSounds;
if (StringCharAt.call(cons, 1) != second) {
vowel_mapping = kCapitalVowelSounds;
}
}
var s = mapping[first] ? "an " : "a ";
var s = vowel_mapping[first] ? "an " : "a ";
return s + cons;
}
const kMessages = {
// Error
cyclic_proto: "Cyclic __proto__ value",
// TypeError
unexpected_token: "Unexpected token %0",
unexpected_token_number: "Unexpected number",
unexpected_token_string: "Unexpected string",
unexpected_token_identifier: "Unexpected identifier",
unexpected_eos: "Unexpected end of input",
malformed_regexp: "Invalid regular expression: /%0/: %1",
unterminated_regexp: "Invalid regular expression: missing /",
regexp_flags: "Cannot supply flags when constructing one RegExp from another",
invalid_lhs_in_assignment: "Invalid left-hand side in assignment",
invalid_lhs_in_for_in: "Invalid left-hand side in for-in",
invalid_lhs_in_postfix_op: "Invalid left-hand side expression in postfix operation",
invalid_lhs_in_prefix_op: "Invalid left-hand side expression in prefix operation",
multiple_defaults_in_switch: "More than one default clause in switch statement",
newline_after_throw: "Illegal newline after throw",
redeclaration: "%0 '%1' has already been declared",
no_catch_or_finally: "Missing catch or finally after try",
unknown_label: "Undefined label '%0'",
uncaught_exception: "Uncaught %0",
stack_trace: "Stack Trace:\n%0",
called_non_callable: "%0 is not a function",
undefined_method: "Object %1 has no method '%0'",
property_not_function: "Property '%0' of object %1 is not a function",
cannot_convert_to_primitive: "Cannot convert object to primitive value",
not_constructor: "%0 is not a constructor",
not_defined: "%0 is not defined",
non_object_property_load: "Cannot read property '%0' of %1",
non_object_property_store: "Cannot set property '%0' of %1",
non_object_property_call: "Cannot call method '%0' of %1",
with_expression: "%0 has no properties",
illegal_invocation: "Illegal invocation",
no_setter_in_callback: "Cannot set property %0 of %1 which has only a getter",
apply_non_function: "Function.prototype.apply was called on %0, which is a %1 and not a function",
apply_wrong_args: "Function.prototype.apply: Arguments list has wrong type",
invalid_in_operator_use: "Cannot use 'in' operator to search for '%0' in %1",
instanceof_function_expected: "Expecting a function in instanceof check, but got %0",
instanceof_nonobject_proto: "Function has non-object prototype '%0' in instanceof check",
null_to_object: "Cannot convert null to object",
reduce_no_initial: "Reduce of empty array with no initial value",
// RangeError
invalid_array_length: "Invalid array length",
stack_overflow: "Maximum call stack size exceeded",
apply_overflow: "Function.prototype.apply cannot support %0 arguments",
// SyntaxError
unable_to_parse: "Parse error",
duplicate_regexp_flag: "Duplicate RegExp flag %0",
invalid_regexp: "Invalid RegExp pattern /%0/",
illegal_break: "Illegal break statement",
illegal_continue: "Illegal continue statement",
illegal_return: "Illegal return statement",
error_loading_debugger: "Error loading debugger %0",
no_input_to_regexp: "No input to %0",
result_not_primitive: "Result of %0 must be a primitive, was %1",
invalid_json: "String '%0' is not valid JSON",
circular_structure: "Converting circular structure to JSON"
};
var kMessages = 0;
function FormatString(format, args) {
@ -161,6 +109,67 @@ function MakeGenericError(constructor, type, args) {
// Helper functions; called from the runtime system.
function FormatMessage(message) {
if (kMessages === 0) {
kMessages = {
// Error
cyclic_proto: "Cyclic __proto__ value",
// TypeError
unexpected_token: "Unexpected token %0",
unexpected_token_number: "Unexpected number",
unexpected_token_string: "Unexpected string",
unexpected_token_identifier: "Unexpected identifier",
unexpected_eos: "Unexpected end of input",
malformed_regexp: "Invalid regular expression: /%0/: %1",
unterminated_regexp: "Invalid regular expression: missing /",
regexp_flags: "Cannot supply flags when constructing one RegExp from another",
invalid_lhs_in_assignment: "Invalid left-hand side in assignment",
invalid_lhs_in_for_in: "Invalid left-hand side in for-in",
invalid_lhs_in_postfix_op: "Invalid left-hand side expression in postfix operation",
invalid_lhs_in_prefix_op: "Invalid left-hand side expression in prefix operation",
multiple_defaults_in_switch: "More than one default clause in switch statement",
newline_after_throw: "Illegal newline after throw",
redeclaration: "%0 '%1' has already been declared",
no_catch_or_finally: "Missing catch or finally after try",
unknown_label: "Undefined label '%0'",
uncaught_exception: "Uncaught %0",
stack_trace: "Stack Trace:\n%0",
called_non_callable: "%0 is not a function",
undefined_method: "Object %1 has no method '%0'",
property_not_function: "Property '%0' of object %1 is not a function",
cannot_convert_to_primitive: "Cannot convert object to primitive value",
not_constructor: "%0 is not a constructor",
not_defined: "%0 is not defined",
non_object_property_load: "Cannot read property '%0' of %1",
non_object_property_store: "Cannot set property '%0' of %1",
non_object_property_call: "Cannot call method '%0' of %1",
with_expression: "%0 has no properties",
illegal_invocation: "Illegal invocation",
no_setter_in_callback: "Cannot set property %0 of %1 which has only a getter",
apply_non_function: "Function.prototype.apply was called on %0, which is a %1 and not a function",
apply_wrong_args: "Function.prototype.apply: Arguments list has wrong type",
invalid_in_operator_use: "Cannot use 'in' operator to search for '%0' in %1",
instanceof_function_expected: "Expecting a function in instanceof check, but got %0",
instanceof_nonobject_proto: "Function has non-object prototype '%0' in instanceof check",
null_to_object: "Cannot convert null to object",
reduce_no_initial: "Reduce of empty array with no initial value",
// RangeError
invalid_array_length: "Invalid array length",
stack_overflow: "Maximum call stack size exceeded",
apply_overflow: "Function.prototype.apply cannot support %0 arguments",
// SyntaxError
unable_to_parse: "Parse error",
duplicate_regexp_flag: "Duplicate RegExp flag %0",
invalid_regexp: "Invalid RegExp pattern /%0/",
illegal_break: "Illegal break statement",
illegal_continue: "Illegal continue statement",
illegal_return: "Illegal return statement",
error_loading_debugger: "Error loading debugger %0",
no_input_to_regexp: "No input to %0",
result_not_primitive: "Result of %0 must be a primitive, was %1",
invalid_json: "String '%0' is not valid JSON",
circular_structure: "Converting circular structure to JSON"
};
}
var format = kMessages[message.type];
if (!format) return "<unknown message " + message.type + ">";
return FormatString(format, message.args);

16
src/uri.js
View File

@ -39,6 +39,10 @@ function URIAddEncodedOctetToBuffer(octet, result, index) {
function URIEncodeOctets(octets, result, index) {
if (hexCharCodeArray === 0) {
hexCharCodeArray = [48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
65, 66, 67, 68, 69, 70];
}
index = URIAddEncodedOctetToBuffer(octets[0], result, index);
if (octets[1]) index = URIAddEncodedOctetToBuffer(octets[1], result, index);
if (octets[2]) index = URIAddEncodedOctetToBuffer(octets[2], result, index);
@ -316,11 +320,9 @@ function URIEncodeComponent(component) {
}
const hexCharArray = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
"A", "B", "C", "D", "E", "F"];
const hexCharCodeArray = [48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
65, 66, 67, 68, 69, 70];
// Lazily initialized.
var hexCharArray = 0;
var hexCharCodeArray = 0;
function HexValueOf(c) {
@ -341,6 +343,10 @@ function HexValueOf(c) {
// 64 -> 0040, 62234 -> F31A.
function CharCodeToHex4Str(cc) {
var r = "";
if (hexCharArray === 0) {
hexCharArray = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
"A", "B", "C", "D", "E", "F"];
}
for (var i = 0; i < 4; ++i) {
var c = hexCharArray[cc & 0x0F];
r = c + r;