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}
if (typeof sectionMetadata.vectorOfSize.loc === "undefined") {
throw new Error("SectionMetadata " + section + " has no loc");
} // Section has no vector
if (sectionMetadata.vectorOfSize.value === -1) {
return uint8Buffer;
} // keep old node location to be overriden
var start = sectionMetadata.vectorOfSize.loc.start.column;
var end = sectionMetadata.vectorOfSize.loc.end.column;
var newValue = sectionMetadata.vectorOfSize.value + deltaElements;
var newBytes = encodeU32(newValue); // Update AST
sectionMetadata.vectorOfSize.value = newValue;
sectionMetadata.vectorOfSize.loc.end.column = start + newBytes.length;
return overrideBytesInBuffer(uint8Buffer, start, end, newBytes);
}
if (typeof sectionMetadata.vectorOfSize.loc === "undefined") {
throw new Error("SectionMetadata " + section + " has no loc");
}
// Section has no vector
if (sectionMetadata.vectorOfSize.value === -1) {
return uint8Buffer;
}
// keep old node location to be overriden
const start = sectionMetadata.vectorOfSize.loc.start.column;
const end = sectionMetadata.vectorOfSize.loc.end.column;
const newValue = sectionMetadata.vectorOfSize.value + deltaElements;
const newBytes = encodeU32(newValue);
// Update AST
sectionMetadata.vectorOfSize.value = newValue;
sectionMetadata.vectorOfSize.loc.end.column = start + newBytes.length;
debug(
"resize vec size section=%s detla=%d newValue=%s",
section,
deltaElements,
newValue
);
return overrideBytesInBuffer(uint8Buffer, start, end, newBytes);
}
export function resizeSectionByteSize(ast, uint8Buffer, section, deltaBytes) {
var sectionMetadata = getSectionMetadata(ast, section);
if (typeof sectionMetadata === "undefined") {
throw new Error("Section metadata not found");
}
if (typeof sectionMetadata.size.loc === "undefined") {
throw new Error("SectionMetadata " + section + " has no loc");
} // keep old node location to be overriden
var start = sectionMetadata.size.loc.start.column;
var end = sectionMetadata.size.loc.end.column;
var newSectionSize = sectionMetadata.size.value + deltaBytes;
var newBytes = encodeU32(newSectionSize);
/**
* update AST
*/
sectionMetadata.size.value = newSectionSize;
var oldu32EncodedLen = end - start;
var newu32EncodedLen = newBytes.length; // the new u32 has a different encoded length
if (newu32EncodedLen !== oldu32EncodedLen) {
var deltaInSizeEncoding = newu32EncodedLen - oldu32EncodedLen;
sectionMetadata.size.loc.end.column = start + newu32EncodedLen;
deltaBytes += deltaInSizeEncoding; // move the vec size pointer size the section size is now smaller
sectionMetadata.vectorOfSize.loc.start.column += deltaInSizeEncoding;
sectionMetadata.vectorOfSize.loc.end.column += deltaInSizeEncoding;
} // Once we hit our section every that is after needs to be shifted by the delta
const sectionMetadata = getSectionMetadata(ast, section);
if (typeof sectionMetadata === "undefined") {
throw new Error("Section metadata not found");
}
if (typeof sectionMetadata.size.loc === "undefined") {
throw new Error("SectionMetadata " + section + " has no loc");
}
// keep old node location to be overriden
const start = sectionMetadata.size.loc.start.column;
const end = sectionMetadata.size.loc.end.column;
const newSectionSize = sectionMetadata.size.value + deltaBytes;
const newBytes = encodeU32(newSectionSize);
/**
* update AST
*/
sectionMetadata.size.value = newSectionSize;
const oldu32EncodedLen = end - start;
const newu32EncodedLen = newBytes.length;
// the new u32 has a different encoded length
if (newu32EncodedLen !== oldu32EncodedLen) {
const deltaInSizeEncoding = newu32EncodedLen - oldu32EncodedLen;
sectionMetadata.size.loc.end.column = start + newu32EncodedLen;
deltaBytes += deltaInSizeEncoding;