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@ -6,107 +6,103 @@ import { x, p } from 'code-red';
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* @param {import('../../../nodes/Let.js').default[]} lets
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*/
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export function get_slot_definition(block, scope, lets) {
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if (lets.length === 0)
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return { block, scope };
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const context_input = {
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type: 'ObjectPattern',
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properties: lets.map((l) => ({
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type: 'Property',
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kind: 'init',
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key: l.name,
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value: l.value || l.name
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}))
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};
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const properties = [];
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const value_map = new Map();
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lets.forEach((l) => {
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if (lets.length === 0) return { block, scope };
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const context_input = {
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type: 'ObjectPattern',
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properties: lets.map((l) => ({
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type: 'Property',
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kind: 'init',
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key: l.name,
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value: l.value || l.name
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}))
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};
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const properties = [];
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const value_map = new Map();
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lets.forEach((l) => {
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/** @type {import('estree').Identifier} */
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let value;
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if (l.names.length > 1) {
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// more than one, probably destructuring
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const unique_name = block.get_unique_name(l.names.join('_')).name;
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value_map.set(l.value, unique_name);
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value = { type: 'Identifier', name: unique_name };
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} else {
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value = l.value || l.name;
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}
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properties.push({
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type: 'Property',
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kind: 'init',
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key: l.name,
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value
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});
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});
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const changes_input = {
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type: 'ObjectPattern',
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properties
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};
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/** @type {import('estree').Identifier} */
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let value;
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if (l.names.length > 1) {
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// more than one, probably destructuring
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const unique_name = block.get_unique_name(l.names.join('_')).name;
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value_map.set(l.value, unique_name);
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value = { type: 'Identifier', name: unique_name };
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}
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else {
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value = l.value || l.name;
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}
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properties.push({
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type: 'Property',
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kind: 'init',
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key: l.name,
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value
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});
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});
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const changes_input = {
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type: 'ObjectPattern',
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properties
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};
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/** @type {Set<string>} */
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const names = new Set();
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/** @type {Set<string>} */
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const names = new Set();
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/** @type {Map<string, string>} */
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const names_lookup = new Map();
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lets.forEach((l) => {
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l.names.forEach((name) => {
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names.add(name);
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if (value_map.has(l.value)) {
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names_lookup.set(name, value_map.get(l.value));
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}
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});
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});
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const context = {
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type: 'ObjectExpression',
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properties: Array.from(names).map((name) => p `${block.renderer.context_lookup.get(name).index}: ${name}`)
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};
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const { context_lookup } = block.renderer;
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// i am well aware that this code is gross
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// TODO: context-overflow make it less gross
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const changes = {
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type: 'ParenthesizedExpression',
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get expression() {
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if (block.renderer.context_overflow) {
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const grouped = [];
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Array.from(names).forEach((name) => {
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const i = /** @type {number} */ (context_lookup.get(name).index.value);
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const g = Math.floor(i / 31);
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const lookup_name = names_lookup.has(name) ? names_lookup.get(name) : name;
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if (!grouped[g])
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grouped[g] = [];
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grouped[g].push({ name: lookup_name, n: i % 31 });
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});
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const elements = [];
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for (let g = 0; g < grouped.length; g += 1) {
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elements[g] = grouped[g]
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? grouped[g]
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.map(({ name, n }) => x `${name} ? ${1 << n} : 0`)
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.reduce((lhs, rhs) => x `${lhs} | ${rhs}`)
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: x `0`;
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}
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return {
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type: 'ArrayExpression',
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elements
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};
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}
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return /** @type {import('estree').BinaryExpression} */ (Array.from(names)
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.map((name) => {
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const lookup_name = names_lookup.has(name) ? names_lookup.get(name) : name;
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const i = /** @type {number} */ (context_lookup.get(name).index.value);
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return x `${lookup_name} ? ${1 << i} : 0`;
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})
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.reduce((lhs, rhs) => x `${lhs} | ${rhs}`));
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}
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};
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return {
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block,
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scope,
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get_context: x `${context_input} => ${context}`,
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get_changes: x `${changes_input} => ${changes}`
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};
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/** @type {Map<string, string>} */
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const names_lookup = new Map();
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lets.forEach((l) => {
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l.names.forEach((name) => {
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names.add(name);
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if (value_map.has(l.value)) {
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names_lookup.set(name, value_map.get(l.value));
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}
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});
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});
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const context = {
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type: 'ObjectExpression',
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properties: Array.from(names).map(
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(name) => p`${block.renderer.context_lookup.get(name).index}: ${name}`
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)
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};
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const { context_lookup } = block.renderer;
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// i am well aware that this code is gross
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// TODO: context-overflow make it less gross
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const changes = {
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type: 'ParenthesizedExpression',
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get expression() {
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if (block.renderer.context_overflow) {
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const grouped = [];
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Array.from(names).forEach((name) => {
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const i = /** @type {number} */ (context_lookup.get(name).index.value);
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const g = Math.floor(i / 31);
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const lookup_name = names_lookup.has(name) ? names_lookup.get(name) : name;
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if (!grouped[g]) grouped[g] = [];
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grouped[g].push({ name: lookup_name, n: i % 31 });
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});
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const elements = [];
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for (let g = 0; g < grouped.length; g += 1) {
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elements[g] = grouped[g]
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? grouped[g]
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.map(({ name, n }) => x`${name} ? ${1 << n} : 0`)
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.reduce((lhs, rhs) => x`${lhs} | ${rhs}`)
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: x`0`;
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}
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return {
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type: 'ArrayExpression',
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elements
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};
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}
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return /** @type {import('estree').BinaryExpression} */ (
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Array.from(names)
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.map((name) => {
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const lookup_name = names_lookup.has(name) ? names_lookup.get(name) : name;
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const i = /** @type {number} */ (context_lookup.get(name).index.value);
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return x`${lookup_name} ? ${1 << i} : 0`;
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})
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.reduce((lhs, rhs) => x`${lhs} | ${rhs}`)
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);
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}
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};
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return {
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block,
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scope,
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get_context: x`${context_input} => ${context}`,
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get_changes: x`${changes_input} => ${changes}`
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};
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}
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Simon Holthausen
3 years ago