node-helpers.js
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import { parse32F, parse64F, parse32I, parse64I, parseU32, isNanLiteral, isInfLiteral } from "@webassemblyjs/helper-numbers";
import { longNumberLiteral, floatLiteral, numberLiteral, instr } from "./nodes";
export function numberLiteralFromRaw(rawValue) {
var instructionType = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "i32";
var original = rawValue; // Remove numeric separators _
if (typeof rawValue === "string") {
rawValue = rawValue.replace(/_/g, "");
}
if (typeof rawValue === "number") {
return numberLiteral(rawValue, String(original));
} else {
switch (instructionType) {
case "i32":
{
return numberLiteral(parse32I(rawValue), String(original));
}
case "u32":
{
return numberLiteral(parseU32(rawValue), String(original));
}
case "i64":
{
return longNumberLiteral(parse64I(rawValue), String(original));
}
case "f32":
{
return floatLiteral(parse32F(rawValue), isNanLiteral(rawValue), isInfLiteral(rawValue), String(original));
}
// f64
default:
{
return floatLiteral(parse64F(rawValue), isNanLiteral(rawValue), isInfLiteral(rawValue), String(original));
}
}
}
}
export function instruction(id) {
var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
var namedArgs = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
return instr(id, undefined, args, namedArgs);
}
export function objectInstruction(id, object) {
var args = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
var namedArgs = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
return instr(id, object, args, namedArgs);
}
/**
* Decorators
*/
export function withLoc(n, end, start) {
var loc = {
start: start,
end: end
};
n.loc = loc;
return n;
}
export function withRaw(n, raw) {
n.raw = raw;
return n;
}
export function funcParam(valtype, id) {
return {
id: id,
valtype: valtype
};
}
export function indexLiteral(value) {
// $FlowIgnore
var x = numberLiteralFromRaw(value, "u32");
return x;
}
export function memIndexLiteral(value) {
// $FlowIgnore
var x = numberLiteralFromRaw(value, "u32");
return x;
}