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authorperissology <perissology@protonmail.com>2018-06-23 06:47:44 +0800
committerperissology <perissology@protonmail.com>2018-06-23 06:59:36 +0800
commitbbd414bdcd3bcbe3a00ff38664cd9c6e488a7d6a (patch)
tree8b365e07a6ef94fc5b7e6b79d24a6bcc43b022c4 /packages/sol-cov/src
parent798a647b71c91df5c3d97bff1f2d5a07f2204c9c (diff)
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add ability to ignore covering specific code blocks
Diffstat (limited to 'packages/sol-cov/src')
-rw-r--r--packages/sol-cov/src/ast_visitor.ts29
-rw-r--r--packages/sol-cov/src/collect_coverage_entries.ts21
2 files changed, 48 insertions, 2 deletions
diff --git a/packages/sol-cov/src/ast_visitor.ts b/packages/sol-cov/src/ast_visitor.ts
index 564f0f7d2..49b7ac4bd 100644
--- a/packages/sol-cov/src/ast_visitor.ts
+++ b/packages/sol-cov/src/ast_visitor.ts
@@ -23,8 +23,11 @@ export class ASTVisitor {
private _modifiersStatementIds: number[] = [];
private _statementMap: StatementMap = {};
private _locationByOffset: LocationByOffset;
- constructor(locationByOffset: LocationByOffset) {
+ private _ignoreRangesBeginingAt: number[];
+ private _ignoreRangesWithin: Array<[number, number]> = [];
+ constructor(locationByOffset: LocationByOffset, ignoreRangesBeginingAt: number[] = []) {
this._locationByOffset = locationByOffset;
+ this._ignoreRangesBeginingAt = ignoreRangesBeginingAt;
}
public getCollectedCoverageEntries(): CoverageEntriesDescription {
const coverageEntriesDescription = {
@@ -96,6 +99,9 @@ export class ASTVisitor {
public ModifierInvocation(ast: Parser.ModifierInvocation): void {
const BUILTIN_MODIFIERS = ['public', 'view', 'payable', 'external', 'internal', 'pure', 'constant'];
if (!_.includes(BUILTIN_MODIFIERS, ast.name)) {
+ if (this._ignoreExpression(ast)) {
+ return;
+ }
this._modifiersStatementIds.push(this._entryId);
this._visitStatement(ast);
}
@@ -106,6 +112,9 @@ export class ASTVisitor {
right: Parser.ASTNode,
type: BranchType,
): void {
+ if (this._ignoreExpression(ast)) {
+ return;
+ }
this._branchMap[this._entryId++] = {
line: this._getExpressionRange(ast).start.line,
type,
@@ -113,6 +122,9 @@ export class ASTVisitor {
};
}
private _visitStatement(ast: Parser.ASTNode): void {
+ if (this._ignoreExpression(ast)) {
+ return;
+ }
this._statementMap[this._entryId++] = this._getExpressionRange(ast);
}
private _getExpressionRange(ast: Parser.ASTNode): SingleFileSourceRange {
@@ -125,7 +137,22 @@ export class ASTVisitor {
};
return range;
}
+ private _ignoreExpression(ast: Parser.ASTNode): boolean {
+ const [astStart, astEnd] = ast.range as [number, number];
+ const isRangeIgnored = _.some(
+ this._ignoreRangesWithin,
+ ([rangeStart, rangeEnd]: [number, number]) => astStart >= rangeStart && astEnd <= rangeEnd,
+ );
+ return this._ignoreRangesBeginingAt.includes(astStart) || isRangeIgnored;
+ }
private _visitFunctionLikeDefinition(ast: Parser.ModifierDefinition | Parser.FunctionDefinition): void {
+ if (this._ignoreExpression(ast)) {
+ // we want to ignore everything within this function
+ // add this nodes range to the ignoreRangesWithin array
+ // so we can ignore any later nodes that are children of this node
+ this._ignoreRangesWithin.push(ast.range as [number, number]);
+ return;
+ }
const loc = this._getExpressionRange(ast);
this._fnMap[this._entryId++] = {
name: ast.name,
diff --git a/packages/sol-cov/src/collect_coverage_entries.ts b/packages/sol-cov/src/collect_coverage_entries.ts
index 3fc85008c..703af3099 100644
--- a/packages/sol-cov/src/collect_coverage_entries.ts
+++ b/packages/sol-cov/src/collect_coverage_entries.ts
@@ -13,10 +13,29 @@ export const collectCoverageEntries = (contractSource: string) => {
if (_.isUndefined(coverageEntriesBySourceHash[sourceHash]) && !_.isUndefined(contractSource)) {
const ast = parser.parse(contractSource, { range: true });
const locationByOffset = getLocationByOffset(contractSource);
- const visitor = new ASTVisitor(locationByOffset);
+ const ignoreRangesBegingingAt = gatherRangesToIgnore(contractSource);
+ const visitor = new ASTVisitor(locationByOffset, ignoreRangesBegingingAt);
parser.visit(ast, visitor);
coverageEntriesBySourceHash[sourceHash] = visitor.getCollectedCoverageEntries();
}
const coverageEntriesDescription = coverageEntriesBySourceHash[sourceHash];
return coverageEntriesDescription;
};
+
+const IGNORE_RE = /\/\*\s*solcov\s+ignore\s+next\s*\*\/\s*/gm;
+
+// Gather the start index of all code blocks preceeded by "/* solcov ignore next */"
+function gatherRangesToIgnore(contractSource: string): number[] {
+ const ignoreRangesStart = [];
+
+ let match;
+ do {
+ match = IGNORE_RE.exec(contractSource);
+ if (match) {
+ const matchLen = match[0].length;
+ ignoreRangesStart.push(match.index + matchLen);
+ }
+ } while (match);
+
+ return ignoreRangesStart;
+}