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