File: /var/www/vhost/disk-apps/pwa.sports-crowd.com/node_modules/chevrotain/lib_esm/src/parse/cst/cst.js
/**
* This nodeLocation tracking is not efficient and should only be used
* when error recovery is enabled or the Token Vector contains virtual Tokens
* (e.g, Python Indent/Outdent)
* As it executes the calculation for every single terminal/nonTerminal
* and does not rely on the fact the token vector is **sorted**
*/
export function setNodeLocationOnlyOffset(currNodeLocation, newLocationInfo) {
// First (valid) update for this cst node
if (isNaN(currNodeLocation.startOffset) === true) {
// assumption1: Token location information is either NaN or a valid number
// assumption2: Token location information is fully valid if it exist
// (both start/end offsets exist and are numbers).
currNodeLocation.startOffset = newLocationInfo.startOffset;
currNodeLocation.endOffset = newLocationInfo.endOffset;
}
// Once the startOffset has been updated with a valid number it should never receive
// any farther updates as the Token vector is sorted.
// We still have to check this this condition for every new possible location info
// because with error recovery enabled we may encounter invalid tokens (NaN location props)
else if (currNodeLocation.endOffset < newLocationInfo.endOffset === true) {
currNodeLocation.endOffset = newLocationInfo.endOffset;
}
}
/**
* This nodeLocation tracking is not efficient and should only be used
* when error recovery is enabled or the Token Vector contains virtual Tokens
* (e.g, Python Indent/Outdent)
* As it executes the calculation for every single terminal/nonTerminal
* and does not rely on the fact the token vector is **sorted**
*/
export function setNodeLocationFull(currNodeLocation, newLocationInfo) {
// First (valid) update for this cst node
if (isNaN(currNodeLocation.startOffset) === true) {
// assumption1: Token location information is either NaN or a valid number
// assumption2: Token location information is fully valid if it exist
// (all start/end props exist and are numbers).
currNodeLocation.startOffset = newLocationInfo.startOffset;
currNodeLocation.startColumn = newLocationInfo.startColumn;
currNodeLocation.startLine = newLocationInfo.startLine;
currNodeLocation.endOffset = newLocationInfo.endOffset;
currNodeLocation.endColumn = newLocationInfo.endColumn;
currNodeLocation.endLine = newLocationInfo.endLine;
}
// Once the start props has been updated with a valid number it should never receive
// any farther updates as the Token vector is sorted.
// We still have to check this this condition for every new possible location info
// because with error recovery enabled we may encounter invalid tokens (NaN location props)
else if (currNodeLocation.endOffset < newLocationInfo.endOffset === true) {
currNodeLocation.endOffset = newLocationInfo.endOffset;
currNodeLocation.endColumn = newLocationInfo.endColumn;
currNodeLocation.endLine = newLocationInfo.endLine;
}
}
export function addTerminalToCst(node, token, tokenTypeName) {
if (node.children[tokenTypeName] === undefined) {
node.children[tokenTypeName] = [token];
}
else {
node.children[tokenTypeName].push(token);
}
}
export function addNoneTerminalToCst(node, ruleName, ruleResult) {
if (node.children[ruleName] === undefined) {
node.children[ruleName] = [ruleResult];
}
else {
node.children[ruleName].push(ruleResult);
}
}
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