mirror of
https://github.com/google/blockly.git
synced 2026-01-06 00:20:37 +01:00
refactor: convert some block generators to goog.module (#5769)
* refactor: convert generators/lua/colour.js to goog.module * refactor: convert generators/lua/colour.js to named requires * chore: run clang-format * refactor: convert generators/lua/lists.js to goog.module * refactor: convert generators/lua/lists.js to named requires * chore: run clang-format * fix: use getListIndex helper function in lua list generators * refactor: convert generators/lua/logic.js to goog.module * refactor: convert generators/lua/logic.js to named requires * chore: run clang-format * refactor: convert generators/lua/loops.js to goog.module * refactor: convert generators/lua/loops.js to named requires * chore: run clang-format * refactor: convert generators/lua/math.js to goog.module * refactor: convert generators/lua/math.js to named requires * chore: run clang-format * refcator: convert generators/lua/procedures.js to goog.module * refactor: convert generators/lua/procedures.js to named requires * chore: run clang-format * chore: rebuild deps.js * refactor: convert generators/lua/text.js to goog.module * refactor: convert generators/lua/text.js to named requires * refactor: convert generators/lua/variables_dynamic.js to goog.module * refactor: convert generators/lua/variables_dynamic.js to named requires * chore: run clang-format on text.js * refactor: convert generators/lua/variables.js to goog.module * refactor: convert generators/lua/variables.js to named requires * chore: run clang-format * chore: make a lua generator function internal * chore: rebuild deps.js
This commit is contained in:
Rachel Fenichel
GitHub
@@ -6,132 +6,113 @@
|
||||
|
||||
/**
|
||||
* @fileoverview Generating Lua for text blocks.
|
||||
* @suppress {missingRequire}
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.Lua.texts');
|
||||
goog.module('Blockly.Lua.texts');
|
||||
|
||||
goog.require('Blockly.Lua');
|
||||
const Lua = goog.require('Blockly.Lua');
|
||||
const {NameType} = goog.require('Blockly.Names');
|
||||
|
||||
|
||||
Blockly.Lua['text'] = function(block) {
|
||||
Lua['text'] = function(block) {
|
||||
// Text value.
|
||||
const code = Blockly.Lua.quote_(block.getFieldValue('TEXT'));
|
||||
return [code, Blockly.Lua.ORDER_ATOMIC];
|
||||
const code = Lua.quote_(block.getFieldValue('TEXT'));
|
||||
return [code, Lua.ORDER_ATOMIC];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_multiline'] = function(block) {
|
||||
Lua['text_multiline'] = function(block) {
|
||||
// Text value.
|
||||
const code = Blockly.Lua.multiline_quote_(block.getFieldValue('TEXT'));
|
||||
const order = code.indexOf('..') !== -1 ? Blockly.Lua.ORDER_CONCATENATION :
|
||||
Blockly.Lua.ORDER_ATOMIC;
|
||||
const code = Lua.multiline_quote_(block.getFieldValue('TEXT'));
|
||||
const order =
|
||||
code.indexOf('..') !== -1 ? Lua.ORDER_CONCATENATION : Lua.ORDER_ATOMIC;
|
||||
return [code, order];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_join'] = function(block) {
|
||||
Lua['text_join'] = function(block) {
|
||||
// Create a string made up of any number of elements of any type.
|
||||
if (block.itemCount_ === 0) {
|
||||
return ['\'\'', Blockly.Lua.ORDER_ATOMIC];
|
||||
return ['\'\'', Lua.ORDER_ATOMIC];
|
||||
} else if (block.itemCount_ === 1) {
|
||||
const element = Blockly.Lua.valueToCode(block, 'ADD0',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const element = Lua.valueToCode(block, 'ADD0', Lua.ORDER_NONE) || '\'\'';
|
||||
const code = 'tostring(' + element + ')';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
} else if (block.itemCount_ === 2) {
|
||||
const element0 = Blockly.Lua.valueToCode(block, 'ADD0',
|
||||
Blockly.Lua.ORDER_CONCATENATION) || '\'\'';
|
||||
const element1 = Blockly.Lua.valueToCode(block, 'ADD1',
|
||||
Blockly.Lua.ORDER_CONCATENATION) || '\'\'';
|
||||
const element0 =
|
||||
Lua.valueToCode(block, 'ADD0', Lua.ORDER_CONCATENATION) || '\'\'';
|
||||
const element1 =
|
||||
Lua.valueToCode(block, 'ADD1', Lua.ORDER_CONCATENATION) || '\'\'';
|
||||
const code = element0 + ' .. ' + element1;
|
||||
return [code, Blockly.Lua.ORDER_CONCATENATION];
|
||||
return [code, Lua.ORDER_CONCATENATION];
|
||||
} else {
|
||||
const elements = [];
|
||||
for (let i = 0; i < block.itemCount_; i++) {
|
||||
elements[i] = Blockly.Lua.valueToCode(block, 'ADD' + i,
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
elements[i] = Lua.valueToCode(block, 'ADD' + i, Lua.ORDER_NONE) || '\'\'';
|
||||
}
|
||||
const code = 'table.concat({' + elements.join(', ') + '})';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
}
|
||||
};
|
||||
|
||||
Blockly.Lua['text_append'] = function(block) {
|
||||
Lua['text_append'] = function(block) {
|
||||
// Append to a variable in place.
|
||||
const varName = Blockly.Lua.nameDB_.getName(
|
||||
block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
|
||||
const value = Blockly.Lua.valueToCode(block, 'TEXT',
|
||||
Blockly.Lua.ORDER_CONCATENATION) || '\'\'';
|
||||
const varName =
|
||||
Lua.nameDB_.getName(block.getFieldValue('VAR'), NameType.VARIABLE);
|
||||
const value =
|
||||
Lua.valueToCode(block, 'TEXT', Lua.ORDER_CONCATENATION) || '\'\'';
|
||||
return varName + ' = ' + varName + ' .. ' + value + '\n';
|
||||
};
|
||||
|
||||
Blockly.Lua['text_length'] = function(block) {
|
||||
Lua['text_length'] = function(block) {
|
||||
// String or array length.
|
||||
const text = Blockly.Lua.valueToCode(block, 'VALUE',
|
||||
Blockly.Lua.ORDER_UNARY) || '\'\'';
|
||||
return ['#' + text, Blockly.Lua.ORDER_UNARY];
|
||||
const text = Lua.valueToCode(block, 'VALUE', Lua.ORDER_UNARY) || '\'\'';
|
||||
return ['#' + text, Lua.ORDER_UNARY];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_isEmpty'] = function(block) {
|
||||
Lua['text_isEmpty'] = function(block) {
|
||||
// Is the string null or array empty?
|
||||
const text = Blockly.Lua.valueToCode(block, 'VALUE',
|
||||
Blockly.Lua.ORDER_UNARY) || '\'\'';
|
||||
return ['#' + text + ' == 0', Blockly.Lua.ORDER_RELATIONAL];
|
||||
const text = Lua.valueToCode(block, 'VALUE', Lua.ORDER_UNARY) || '\'\'';
|
||||
return ['#' + text + ' == 0', Lua.ORDER_RELATIONAL];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_indexOf'] = function(block) {
|
||||
Lua['text_indexOf'] = function(block) {
|
||||
// Search the text for a substring.
|
||||
const substring = Blockly.Lua.valueToCode(block, 'FIND',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const text = Blockly.Lua.valueToCode(block, 'VALUE',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const substring = Lua.valueToCode(block, 'FIND', Lua.ORDER_NONE) || '\'\'';
|
||||
const text = Lua.valueToCode(block, 'VALUE', Lua.ORDER_NONE) || '\'\'';
|
||||
let functionName;
|
||||
if (block.getFieldValue('END') === 'FIRST') {
|
||||
functionName = Blockly.Lua.provideFunction_(
|
||||
'firstIndexOf',
|
||||
['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
|
||||
'(str, substr) ',
|
||||
' local i = string.find(str, substr, 1, true)',
|
||||
' if i == nil then',
|
||||
' return 0',
|
||||
' else',
|
||||
' return i',
|
||||
' end',
|
||||
'end']);
|
||||
functionName = Lua.provideFunction_('firstIndexOf', [
|
||||
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str, substr) ',
|
||||
' local i = string.find(str, substr, 1, true)', ' if i == nil then',
|
||||
' return 0', ' else', ' return i', ' end', 'end'
|
||||
]);
|
||||
} else {
|
||||
functionName = Blockly.Lua.provideFunction_(
|
||||
'lastIndexOf',
|
||||
['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
|
||||
'(str, substr)',
|
||||
' local i = string.find(string.reverse(str), ' +
|
||||
'string.reverse(substr), 1, true)',
|
||||
' if i then',
|
||||
' return #str + 2 - i - #substr',
|
||||
' end',
|
||||
' return 0',
|
||||
'end']);
|
||||
functionName = Lua.provideFunction_('lastIndexOf', [
|
||||
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str, substr)',
|
||||
' local i = string.find(string.reverse(str), ' +
|
||||
'string.reverse(substr), 1, true)',
|
||||
' if i then', ' return #str + 2 - i - #substr', ' end', ' return 0',
|
||||
'end'
|
||||
]);
|
||||
}
|
||||
const code = functionName + '(' + text + ', ' + substring + ')';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_charAt'] = function(block) {
|
||||
Lua['text_charAt'] = function(block) {
|
||||
// Get letter at index.
|
||||
// Note: Until January 2013 this block did not have the WHERE input.
|
||||
const where = block.getFieldValue('WHERE') || 'FROM_START';
|
||||
const atOrder = (where === 'FROM_END') ? Blockly.Lua.ORDER_UNARY :
|
||||
Blockly.Lua.ORDER_NONE;
|
||||
const at = Blockly.Lua.valueToCode(block, 'AT', atOrder) || '1';
|
||||
const text = Blockly.Lua.valueToCode(block, 'VALUE',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const atOrder = (where === 'FROM_END') ? Lua.ORDER_UNARY : Lua.ORDER_NONE;
|
||||
const at = Lua.valueToCode(block, 'AT', atOrder) || '1';
|
||||
const text = Lua.valueToCode(block, 'VALUE', Lua.ORDER_NONE) || '\'\'';
|
||||
let code;
|
||||
if (where === 'RANDOM') {
|
||||
const functionName = Blockly.Lua.provideFunction_(
|
||||
'text_random_letter',
|
||||
['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str)',
|
||||
' local index = math.random(string.len(str))',
|
||||
' return string.sub(str, index, index)',
|
||||
'end']);
|
||||
const functionName = Lua.provideFunction_('text_random_letter', [
|
||||
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str)',
|
||||
' local index = math.random(string.len(str))',
|
||||
' return string.sub(str, index, index)', 'end'
|
||||
]);
|
||||
code = functionName + '(' + text + ')';
|
||||
} else {
|
||||
let start;
|
||||
@@ -152,28 +133,24 @@ Blockly.Lua['text_charAt'] = function(block) {
|
||||
code = 'string.sub(' + text + ', ' + start + ', ' + start + ')';
|
||||
} else {
|
||||
// use function to avoid reevaluation
|
||||
const functionName = Blockly.Lua.provideFunction_(
|
||||
'text_char_at',
|
||||
['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
|
||||
'(str, index)',
|
||||
' return string.sub(str, index, index)',
|
||||
'end']);
|
||||
const functionName = Lua.provideFunction_('text_char_at', [
|
||||
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str, index)',
|
||||
' return string.sub(str, index, index)', 'end'
|
||||
]);
|
||||
code = functionName + '(' + text + ', ' + start + ')';
|
||||
}
|
||||
}
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_getSubstring'] = function(block) {
|
||||
Lua['text_getSubstring'] = function(block) {
|
||||
// Get substring.
|
||||
const text = Blockly.Lua.valueToCode(block, 'STRING',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const text = Lua.valueToCode(block, 'STRING', Lua.ORDER_NONE) || '\'\'';
|
||||
|
||||
// Get start index.
|
||||
const where1 = block.getFieldValue('WHERE1');
|
||||
const at1Order = (where1 === 'FROM_END') ? Blockly.Lua.ORDER_UNARY :
|
||||
Blockly.Lua.ORDER_NONE;
|
||||
const at1 = Blockly.Lua.valueToCode(block, 'AT1', at1Order) || '1';
|
||||
const at1Order = (where1 === 'FROM_END') ? Lua.ORDER_UNARY : Lua.ORDER_NONE;
|
||||
const at1 = Lua.valueToCode(block, 'AT1', at1Order) || '1';
|
||||
let start;
|
||||
if (where1 === 'FIRST') {
|
||||
start = 1;
|
||||
@@ -187,9 +164,8 @@ Blockly.Lua['text_getSubstring'] = function(block) {
|
||||
|
||||
// Get end index.
|
||||
const where2 = block.getFieldValue('WHERE2');
|
||||
const at2Order = (where2 === 'FROM_END') ? Blockly.Lua.ORDER_UNARY :
|
||||
Blockly.Lua.ORDER_NONE;
|
||||
const at2 = Blockly.Lua.valueToCode(block, 'AT2', at2Order) || '1';
|
||||
const at2Order = (where2 === 'FROM_END') ? Lua.ORDER_UNARY : Lua.ORDER_NONE;
|
||||
const at2 = Lua.valueToCode(block, 'AT2', at2Order) || '1';
|
||||
let end;
|
||||
if (where2 === 'LAST') {
|
||||
end = -1;
|
||||
@@ -201,161 +177,134 @@ Blockly.Lua['text_getSubstring'] = function(block) {
|
||||
throw Error('Unhandled option (text_getSubstring)');
|
||||
}
|
||||
const code = 'string.sub(' + text + ', ' + start + ', ' + end + ')';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_changeCase'] = function(block) {
|
||||
Lua['text_changeCase'] = function(block) {
|
||||
// Change capitalization.
|
||||
const operator = block.getFieldValue('CASE');
|
||||
const text = Blockly.Lua.valueToCode(block, 'TEXT',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const text = Lua.valueToCode(block, 'TEXT', Lua.ORDER_NONE) || '\'\'';
|
||||
let functionName;
|
||||
if (operator === 'UPPERCASE') {
|
||||
functionName = 'string.upper';
|
||||
} else if (operator === 'LOWERCASE') {
|
||||
functionName = 'string.lower';
|
||||
} else if (operator === 'TITLECASE') {
|
||||
functionName = Blockly.Lua.provideFunction_(
|
||||
functionName = Lua.provideFunction_(
|
||||
'text_titlecase',
|
||||
// There are shorter versions at
|
||||
// http://lua-users.org/wiki/SciteTitleCase
|
||||
// that do not preserve whitespace.
|
||||
['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str)',
|
||||
' local buf = {}',
|
||||
' local inWord = false',
|
||||
' for i = 1, #str do',
|
||||
' local c = string.sub(str, i, i)',
|
||||
' if inWord then',
|
||||
' table.insert(buf, string.lower(c))',
|
||||
' if string.find(c, "%s") then',
|
||||
' inWord = false',
|
||||
' end',
|
||||
' else',
|
||||
' table.insert(buf, string.upper(c))',
|
||||
' inWord = true',
|
||||
' end',
|
||||
' end',
|
||||
' return table.concat(buf)',
|
||||
'end']);
|
||||
[
|
||||
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str)',
|
||||
' local buf = {}', ' local inWord = false', ' for i = 1, #str do',
|
||||
' local c = string.sub(str, i, i)', ' if inWord then',
|
||||
' table.insert(buf, string.lower(c))',
|
||||
' if string.find(c, "%s") then', ' inWord = false',
|
||||
' end', ' else', ' table.insert(buf, string.upper(c))',
|
||||
' inWord = true', ' end', ' end',
|
||||
' return table.concat(buf)', 'end'
|
||||
]);
|
||||
}
|
||||
const code = functionName + '(' + text + ')';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_trim'] = function(block) {
|
||||
Lua['text_trim'] = function(block) {
|
||||
// Trim spaces.
|
||||
const OPERATORS = {
|
||||
LEFT: '^%s*(,-)',
|
||||
RIGHT: '(.-)%s*$',
|
||||
BOTH: '^%s*(.-)%s*$'
|
||||
};
|
||||
const OPERATORS = {LEFT: '^%s*(,-)', RIGHT: '(.-)%s*$', BOTH: '^%s*(.-)%s*$'};
|
||||
const operator = OPERATORS[block.getFieldValue('MODE')];
|
||||
const text = Blockly.Lua.valueToCode(block, 'TEXT',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const text = Lua.valueToCode(block, 'TEXT', Lua.ORDER_NONE) || '\'\'';
|
||||
const code = 'string.gsub(' + text + ', "' + operator + '", "%1")';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_print'] = function(block) {
|
||||
Lua['text_print'] = function(block) {
|
||||
// Print statement.
|
||||
const msg = Blockly.Lua.valueToCode(block, 'TEXT',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const msg = Lua.valueToCode(block, 'TEXT', Lua.ORDER_NONE) || '\'\'';
|
||||
return 'print(' + msg + ')\n';
|
||||
};
|
||||
|
||||
Blockly.Lua['text_prompt_ext'] = function(block) {
|
||||
Lua['text_prompt_ext'] = function(block) {
|
||||
// Prompt function.
|
||||
let msg;
|
||||
if (block.getField('TEXT')) {
|
||||
// Internal message.
|
||||
msg = Blockly.Lua.quote_(block.getFieldValue('TEXT'));
|
||||
msg = Lua.quote_(block.getFieldValue('TEXT'));
|
||||
} else {
|
||||
// External message.
|
||||
msg = Blockly.Lua.valueToCode(block, 'TEXT',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
msg = Lua.valueToCode(block, 'TEXT', Lua.ORDER_NONE) || '\'\'';
|
||||
}
|
||||
|
||||
const functionName = Blockly.Lua.provideFunction_(
|
||||
'text_prompt',
|
||||
['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(msg)',
|
||||
' io.write(msg)',
|
||||
' io.flush()',
|
||||
' return io.read()',
|
||||
'end']);
|
||||
const functionName = Lua.provideFunction_('text_prompt', [
|
||||
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(msg)', ' io.write(msg)',
|
||||
' io.flush()', ' return io.read()', 'end'
|
||||
]);
|
||||
let code = functionName + '(' + msg + ')';
|
||||
|
||||
const toNumber = block.getFieldValue('TYPE') === 'NUMBER';
|
||||
if (toNumber) {
|
||||
code = 'tonumber(' + code + ', 10)';
|
||||
}
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_prompt'] = Blockly.Lua['text_prompt_ext'];
|
||||
Lua['text_prompt'] = Lua['text_prompt_ext'];
|
||||
|
||||
Blockly.Lua['text_count'] = function(block) {
|
||||
const text = Blockly.Lua.valueToCode(block, 'TEXT',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const sub = Blockly.Lua.valueToCode(block, 'SUB',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const functionName = Blockly.Lua.provideFunction_(
|
||||
'text_count',
|
||||
['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_
|
||||
+ '(haystack, needle)',
|
||||
' if #needle == 0 then',
|
||||
' return #haystack + 1',
|
||||
' end',
|
||||
' local i = 1',
|
||||
' local count = 0',
|
||||
' while true do',
|
||||
' i = string.find(haystack, needle, i, true)',
|
||||
' if i == nil then',
|
||||
' break',
|
||||
' end',
|
||||
' count = count + 1',
|
||||
' i = i + #needle',
|
||||
' end',
|
||||
' return count',
|
||||
'end',
|
||||
]);
|
||||
Lua['text_count'] = function(block) {
|
||||
const text = Lua.valueToCode(block, 'TEXT', Lua.ORDER_NONE) || '\'\'';
|
||||
const sub = Lua.valueToCode(block, 'SUB', Lua.ORDER_NONE) || '\'\'';
|
||||
const functionName = Lua.provideFunction_('text_count', [
|
||||
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(haystack, needle)',
|
||||
' if #needle == 0 then',
|
||||
' return #haystack + 1',
|
||||
' end',
|
||||
' local i = 1',
|
||||
' local count = 0',
|
||||
' while true do',
|
||||
' i = string.find(haystack, needle, i, true)',
|
||||
' if i == nil then',
|
||||
' break',
|
||||
' end',
|
||||
' count = count + 1',
|
||||
' i = i + #needle',
|
||||
' end',
|
||||
' return count',
|
||||
'end',
|
||||
]);
|
||||
const code = functionName + '(' + text + ', ' + sub + ')';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_replace'] = function(block) {
|
||||
const text = Blockly.Lua.valueToCode(block, 'TEXT',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const from = Blockly.Lua.valueToCode(block, 'FROM',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const to = Blockly.Lua.valueToCode(block, 'TO',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
const functionName = Blockly.Lua.provideFunction_(
|
||||
'text_replace',
|
||||
['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_
|
||||
+ '(haystack, needle, replacement)',
|
||||
' local buf = {}',
|
||||
' local i = 1',
|
||||
' while i <= #haystack do',
|
||||
' if string.sub(haystack, i, i + #needle - 1) == needle then',
|
||||
' for j = 1, #replacement do',
|
||||
' table.insert(buf, string.sub(replacement, j, j))',
|
||||
' end',
|
||||
' i = i + #needle',
|
||||
' else',
|
||||
' table.insert(buf, string.sub(haystack, i, i))',
|
||||
' i = i + 1',
|
||||
' end',
|
||||
' end',
|
||||
' return table.concat(buf)',
|
||||
'end',
|
||||
]);
|
||||
Lua['text_replace'] = function(block) {
|
||||
const text = Lua.valueToCode(block, 'TEXT', Lua.ORDER_NONE) || '\'\'';
|
||||
const from = Lua.valueToCode(block, 'FROM', Lua.ORDER_NONE) || '\'\'';
|
||||
const to = Lua.valueToCode(block, 'TO', Lua.ORDER_NONE) || '\'\'';
|
||||
const functionName = Lua.provideFunction_('text_replace', [
|
||||
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ +
|
||||
'(haystack, needle, replacement)',
|
||||
' local buf = {}',
|
||||
' local i = 1',
|
||||
' while i <= #haystack do',
|
||||
' if string.sub(haystack, i, i + #needle - 1) == needle then',
|
||||
' for j = 1, #replacement do',
|
||||
' table.insert(buf, string.sub(replacement, j, j))',
|
||||
' end',
|
||||
' i = i + #needle',
|
||||
' else',
|
||||
' table.insert(buf, string.sub(haystack, i, i))',
|
||||
' i = i + 1',
|
||||
' end',
|
||||
' end',
|
||||
' return table.concat(buf)',
|
||||
'end',
|
||||
]);
|
||||
const code = functionName + '(' + text + ', ' + from + ', ' + to + ')';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Blockly.Lua['text_reverse'] = function(block) {
|
||||
const text = Blockly.Lua.valueToCode(block, 'TEXT',
|
||||
Blockly.Lua.ORDER_NONE) || '\'\'';
|
||||
Lua['text_reverse'] = function(block) {
|
||||
const text = Lua.valueToCode(block, 'TEXT', Lua.ORDER_NONE) || '\'\'';
|
||||
const code = 'string.reverse(' + text + ')';
|
||||
return [code, Blockly.Lua.ORDER_HIGH];
|
||||
return [code, Lua.ORDER_HIGH];
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user