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-rw-r--r--packages/sol-tracing-utils/src/source_maps.ts8
1 files changed, 6 insertions, 2 deletions
diff --git a/packages/sol-tracing-utils/src/source_maps.ts b/packages/sol-tracing-utils/src/source_maps.ts
index af0fb4035..ceb20d843 100644
--- a/packages/sol-tracing-utils/src/source_maps.ts
+++ b/packages/sol-tracing-utils/src/source_maps.ts
@@ -67,13 +67,17 @@ export function parseSourceMap(
fileIndex,
};
if (parsedEntry.fileIndex !== -1 && !_.isUndefined(locationByOffsetByFileIndex[parsedEntry.fileIndex])) {
+ const locationByOffset = locationByOffsetByFileIndex[parsedEntry.fileIndex];
const sourceRange = {
location: {
- start: locationByOffsetByFileIndex[parsedEntry.fileIndex][parsedEntry.offset],
- end: locationByOffsetByFileIndex[parsedEntry.fileIndex][parsedEntry.offset + parsedEntry.length],
+ start: locationByOffset[parsedEntry.offset],
+ end: locationByOffset[parsedEntry.offset + parsedEntry.length],
},
fileName: sources[parsedEntry.fileIndex],
};
+ if (sourceRange.location.start === undefined || sourceRange.location.end === undefined) {
+ throw new Error(`Error while processing sourcemap: location out of range in ${sourceRange.fileName}`);
+ }
instructionIndexToSourceRange[i] = sourceRange;
} else {
// Some assembly code generated by Solidity can't be mapped back to a line of source code.