first commit
This commit is contained in:
92
app_vue/node_modules/@webassemblyjs/helper-numbers/esm/index.js
generated
vendored
Normal file
92
app_vue/node_modules/@webassemblyjs/helper-numbers/esm/index.js
generated
vendored
Normal file
@ -0,0 +1,92 @@
|
||||
import Long from "@xtuc/long";
|
||||
import parseHexFloat from "@webassemblyjs/floating-point-hex-parser";
|
||||
import { CompileError } from "@webassemblyjs/helper-api-error";
|
||||
export function parse32F(sourceString) {
|
||||
if (isHexLiteral(sourceString)) {
|
||||
return parseHexFloat(sourceString);
|
||||
}
|
||||
|
||||
if (isInfLiteral(sourceString)) {
|
||||
return sourceString[0] === "-" ? -1 : 1;
|
||||
}
|
||||
|
||||
if (isNanLiteral(sourceString)) {
|
||||
return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x400000);
|
||||
}
|
||||
|
||||
return parseFloat(sourceString);
|
||||
}
|
||||
export function parse64F(sourceString) {
|
||||
if (isHexLiteral(sourceString)) {
|
||||
return parseHexFloat(sourceString);
|
||||
}
|
||||
|
||||
if (isInfLiteral(sourceString)) {
|
||||
return sourceString[0] === "-" ? -1 : 1;
|
||||
}
|
||||
|
||||
if (isNanLiteral(sourceString)) {
|
||||
return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x8000000000000);
|
||||
}
|
||||
|
||||
if (isHexLiteral(sourceString)) {
|
||||
return parseHexFloat(sourceString);
|
||||
}
|
||||
|
||||
return parseFloat(sourceString);
|
||||
}
|
||||
export function parse32I(sourceString) {
|
||||
var value = 0;
|
||||
|
||||
if (isHexLiteral(sourceString)) {
|
||||
value = ~~parseInt(sourceString, 16);
|
||||
} else if (isDecimalExponentLiteral(sourceString)) {
|
||||
throw new Error("This number literal format is yet to be implemented.");
|
||||
} else {
|
||||
value = parseInt(sourceString, 10);
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
export function parseU32(sourceString) {
|
||||
var value = parse32I(sourceString);
|
||||
|
||||
if (value < 0) {
|
||||
throw new CompileError("Illegal value for u32: " + sourceString);
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
export function parse64I(sourceString) {
|
||||
// $FlowIgnore
|
||||
var _long;
|
||||
|
||||
if (isHexLiteral(sourceString)) {
|
||||
_long = Long.fromString(sourceString, false, 16);
|
||||
} else if (isDecimalExponentLiteral(sourceString)) {
|
||||
throw new Error("This number literal format is yet to be implemented.");
|
||||
} else {
|
||||
_long = Long.fromString(sourceString);
|
||||
}
|
||||
|
||||
return {
|
||||
high: _long.high,
|
||||
low: _long.low
|
||||
};
|
||||
}
|
||||
var NAN_WORD = /^\+?-?nan/;
|
||||
var INF_WORD = /^\+?-?inf/;
|
||||
export function isInfLiteral(sourceString) {
|
||||
return INF_WORD.test(sourceString.toLowerCase());
|
||||
}
|
||||
export function isNanLiteral(sourceString) {
|
||||
return NAN_WORD.test(sourceString.toLowerCase());
|
||||
}
|
||||
|
||||
function isDecimalExponentLiteral(sourceString) {
|
||||
return !isHexLiteral(sourceString) && sourceString.toUpperCase().includes("E");
|
||||
}
|
||||
|
||||
function isHexLiteral(sourceString) {
|
||||
return sourceString.substring(0, 2).toUpperCase() === "0X" || sourceString.substring(0, 3).toUpperCase() === "-0X";
|
||||
}
|
Reference in New Issue
Block a user