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pass parseState info in sb2 deserializer

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Pass state information beyond the current block.
This commit is contained in:
Michael "Z" Goddard 2018-09-06 17:22:11 -04:00
parent b41423bdfa
commit 609350a7fc
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GPG key ID: 762CD40DD5349872
1 changed files with 11 additions and 6 deletions
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17
src/serialization/sb2.js
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@ -117,6 +117,7 @@ const flatten = function (blocks) {
* @param {Function} addBroadcastMsg function to update broadcast message name map * @param {Function} addBroadcastMsg function to update broadcast message name map
* @param {Function} getVariableId function to retreive a variable's ID based on name * @param {Function} getVariableId function to retreive a variable's ID based on name
* @param {ImportedExtensionsInfo} extensions - (in/out) parsed extension information will be stored here. * @param {ImportedExtensionsInfo} extensions - (in/out) parsed extension information will be stored here.
* @param {ParseState} parseState - info on the state of parsing beyond the current block.
* @param {object<int, Comment>} comments - Comments from sb2 project that need to be attached to blocks. * @param {object<int, Comment>} comments - Comments from sb2 project that need to be attached to blocks.
* They are indexed in this object by the sb2 flattened block list index indicating * They are indexed in this object by the sb2 flattened block list index indicating
* which block they should attach to. * which block they should attach to.
@ -125,14 +126,15 @@ const flatten = function (blocks) {
* @return {Array<Array.<object>|int>} Tuple where first item is the Scratch VM-format block list, and * @return {Array<Array.<object>|int>} Tuple where first item is the Scratch VM-format block list, and
* second item is the updated comment index * second item is the updated comment index
*/ */
const parseBlockList = function (blockList, addBroadcastMsg, getVariableId, extensions, comments, commentIndex) { const parseBlockList = function (blockList, addBroadcastMsg, getVariableId, extensions, parseState, comments,
commentIndex) {
const resultingList = []; const resultingList = [];
let previousBlock = null; // For setting next. let previousBlock = null; // For setting next.
for (let i = 0; i < blockList.length; i++) { for (let i = 0; i < blockList.length; i++) {
const block = blockList[i]; const block = blockList[i];
// eslint-disable-next-line no-use-before-define // eslint-disable-next-line no-use-before-define
const parsedBlockAndComments = parseBlock(block, addBroadcastMsg, getVariableId, const parsedBlockAndComments = parseBlock(block, addBroadcastMsg, getVariableId,
extensions, comments, commentIndex); extensions, parseState, comments, commentIndex);
const parsedBlock = parsedBlockAndComments[0]; const parsedBlock = parsedBlockAndComments[0];
// Update commentIndex // Update commentIndex
commentIndex = parsedBlockAndComments[1]; commentIndex = parsedBlockAndComments[1];
@ -168,8 +170,9 @@ const parseScripts = function (scripts, blocks, addBroadcastMsg, getVariableId,
const scriptX = script[0]; const scriptX = script[0];
const scriptY = script[1]; const scriptY = script[1];
const blockList = script[2]; const blockList = script[2];
const parseState = {};
const [parsedBlockList, newCommentIndex] = parseBlockList(blockList, addBroadcastMsg, getVariableId, extensions, const [parsedBlockList, newCommentIndex] = parseBlockList(blockList, addBroadcastMsg, getVariableId, extensions,
comments, scriptIndexForComment); parseState, comments, scriptIndexForComment);
scriptIndexForComment = newCommentIndex; scriptIndexForComment = newCommentIndex;
if (parsedBlockList[0]) { if (parsedBlockList[0]) {
parsedBlockList[0].x = scriptX * WORKSPACE_X_SCALE; parsedBlockList[0].x = scriptX * WORKSPACE_X_SCALE;
@ -269,6 +272,7 @@ const parseMonitorObject = (object, runtime, targets, extensions) => {
null, // `addBroadcastMsg`, not needed for monitor blocks. null, // `addBroadcastMsg`, not needed for monitor blocks.
getVariableId, getVariableId,
extensions, extensions,
{},
null, // `comments`, not needed for monitor blocks null, // `comments`, not needed for monitor blocks
null // `commentIndex`, not needed for monitor blocks null // `commentIndex`, not needed for monitor blocks
); );
@ -735,6 +739,7 @@ const specMapBlock = function (block) {
* @param {Function} addBroadcastMsg function to update broadcast message name map * @param {Function} addBroadcastMsg function to update broadcast message name map
* @param {Function} getVariableId function to retrieve a variable's ID based on name * @param {Function} getVariableId function to retrieve a variable's ID based on name
* @param {ImportedExtensionsInfo} extensions - (in/out) parsed extension information will be stored here. * @param {ImportedExtensionsInfo} extensions - (in/out) parsed extension information will be stored here.
* @param {ParseState} parseState - info on the state of parsing beyond the current block.
* @param {object<int, Comment>} comments - Comments from sb2 project that need to be attached to blocks. * @param {object<int, Comment>} comments - Comments from sb2 project that need to be attached to blocks.
* They are indexed in this object by the sb2 flattened block list index indicating * They are indexed in this object by the sb2 flattened block list index indicating
* which block they should attach to. * which block they should attach to.
@ -743,7 +748,7 @@ const specMapBlock = function (block) {
* @return {Array.<object|int>} Tuple where first item is the Scratch VM-format block (or null if unsupported object), * @return {Array.<object|int>} Tuple where first item is the Scratch VM-format block (or null if unsupported object),
* and second item is the updated comment index (after this block and its children are parsed) * and second item is the updated comment index (after this block and its children are parsed)
*/ */
const parseBlock = function (sb2block, addBroadcastMsg, getVariableId, extensions, comments, commentIndex) { const parseBlock = function (sb2block, addBroadcastMsg, getVariableId, extensions, parseState, comments, commentIndex) {
const commentsForParsedBlock = (comments && typeof commentIndex === 'number' && !isNaN(commentIndex)) ? const commentsForParsedBlock = (comments && typeof commentIndex === 'number' && !isNaN(commentIndex)) ?
comments[commentIndex] : null; comments[commentIndex] : null;
const blockMetadata = specMapBlock(sb2block); const blockMetadata = specMapBlock(sb2block);
@ -823,11 +828,11 @@ const parseBlock = function (sb2block, addBroadcastMsg, getVariableId, extension
if (typeof providedArg[0] === 'object' && providedArg[0]) { if (typeof providedArg[0] === 'object' && providedArg[0]) {
// Block list occupies the input. // Block list occupies the input.
[innerBlocks, commentIndex] = parseBlockList(providedArg, addBroadcastMsg, getVariableId, [innerBlocks, commentIndex] = parseBlockList(providedArg, addBroadcastMsg, getVariableId,
extensions, comments, commentIndex); extensions, parseState, comments, commentIndex);
} else { } else {
// Single block occupies the input. // Single block occupies the input.
const parsedBlockDesc = parseBlock(providedArg, addBroadcastMsg, getVariableId, extensions, const parsedBlockDesc = parseBlock(providedArg, addBroadcastMsg, getVariableId, extensions,
comments, commentIndex); parseState, comments, commentIndex);
innerBlocks = [parsedBlockDesc[0]]; innerBlocks = [parsedBlockDesc[0]];
// Update commentIndex // Update commentIndex
commentIndex = parsedBlockDesc[1]; commentIndex = parsedBlockDesc[1];