From 81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 Mon Sep 17 00:00:00 2001 From: Piotr Russ Date: Wed, 18 Nov 2020 23:26:45 +0100 Subject: rm node_modules --- node_modules/@webassemblyjs/leb128/esm/bits.js | 145 ------------------------- 1 file changed, 145 deletions(-) delete mode 100644 node_modules/@webassemblyjs/leb128/esm/bits.js (limited to 'node_modules/@webassemblyjs/leb128/esm/bits.js') diff --git a/node_modules/@webassemblyjs/leb128/esm/bits.js b/node_modules/@webassemblyjs/leb128/esm/bits.js deleted file mode 100644 index 4c763cd..0000000 --- a/node_modules/@webassemblyjs/leb128/esm/bits.js +++ /dev/null @@ -1,145 +0,0 @@ -// Copyright 2012 The Obvious Corporation. - -/* - * bits: Bitwise buffer utilities. The utilities here treat a buffer - * as a little-endian bigint, so the lowest-order bit is bit #0 of - * `buffer[0]`, and the highest-order bit is bit #7 of - * `buffer[buffer.length - 1]`. - */ - -/* - * Modules used - */ -"use strict"; -/* - * Exported bindings - */ - -/** - * Extracts the given number of bits from the buffer at the indicated - * index, returning a simple number as the result. If bits are requested - * that aren't covered by the buffer, the `defaultBit` is used as their - * value. - * - * The `bitLength` must be no more than 32. The `defaultBit` if not - * specified is taken to be `0`. - */ - -export function extract(buffer, bitIndex, bitLength, defaultBit) { - if (bitLength < 0 || bitLength > 32) { - throw new Error("Bad value for bitLength."); - } - - if (defaultBit === undefined) { - defaultBit = 0; - } else if (defaultBit !== 0 && defaultBit !== 1) { - throw new Error("Bad value for defaultBit."); - } - - var defaultByte = defaultBit * 0xff; - var result = 0; // All starts are inclusive. The {endByte, endBit} pair is exclusive, but - // if endBit !== 0, then endByte is inclusive. - - var lastBit = bitIndex + bitLength; - var startByte = Math.floor(bitIndex / 8); - var startBit = bitIndex % 8; - var endByte = Math.floor(lastBit / 8); - var endBit = lastBit % 8; - - if (endBit !== 0) { - // `(1 << endBit) - 1` is the mask of all bits up to but not including - // the endBit. - result = get(endByte) & (1 << endBit) - 1; - } - - while (endByte > startByte) { - endByte--; - result = result << 8 | get(endByte); - } - - result >>>= startBit; - return result; - - function get(index) { - var result = buffer[index]; - return result === undefined ? defaultByte : result; - } -} -/** - * Injects the given bits into the given buffer at the given index. Any - * bits in the value beyond the length to set are ignored. - */ - -export function inject(buffer, bitIndex, bitLength, value) { - if (bitLength < 0 || bitLength > 32) { - throw new Error("Bad value for bitLength."); - } - - var lastByte = Math.floor((bitIndex + bitLength - 1) / 8); - - if (bitIndex < 0 || lastByte >= buffer.length) { - throw new Error("Index out of range."); - } // Just keeping it simple, until / unless profiling shows that this - // is a problem. - - - var atByte = Math.floor(bitIndex / 8); - var atBit = bitIndex % 8; - - while (bitLength > 0) { - if (value & 1) { - buffer[atByte] |= 1 << atBit; - } else { - buffer[atByte] &= ~(1 << atBit); - } - - value >>= 1; - bitLength--; - atBit = (atBit + 1) % 8; - - if (atBit === 0) { - atByte++; - } - } -} -/** - * Gets the sign bit of the given buffer. - */ - -export function getSign(buffer) { - return buffer[buffer.length - 1] >>> 7; -} -/** - * Gets the zero-based bit number of the highest-order bit with the - * given value in the given buffer. - * - * If the buffer consists entirely of the other bit value, then this returns - * `-1`. - */ - -export function highOrder(bit, buffer) { - var length = buffer.length; - var fullyWrongByte = (bit ^ 1) * 0xff; // the other-bit extended to a full byte - - while (length > 0 && buffer[length - 1] === fullyWrongByte) { - length--; - } - - if (length === 0) { - // Degenerate case. The buffer consists entirely of ~bit. - return -1; - } - - var byteToCheck = buffer[length - 1]; - var result = length * 8 - 1; - - for (var i = 7; i > 0; i--) { - if ((byteToCheck >> i & 1) === bit) { - break; - } - - result--; - } - - return result; -} \ No newline at end of file -- cgit v1.2.3