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Add asserts for bounds on diagnostics

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This commit is contained in:
Jason Freeman 2014-09-10 16:44:57 -07:00
parent bf084f159d
commit c27379827b
1 changed files with 6 additions and 0 deletions
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6
src/compiler/core.ts
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@ -198,6 +198,9 @@ module ts {
export function createFileDiagnostic(file: SourceFile, start: number, length: number, message: DiagnosticMessage, ...args: any[]): Diagnostic;
export function createFileDiagnostic(file: SourceFile, start: number, length: number, message: DiagnosticMessage): Diagnostic {
Debug.assert(start >= 0, "start must be non-negative, is " + start);
Debug.assert(length >= 0, "length must be non-negative, is " + length);
var text = getLocaleSpecificMessage(message.key);
if (arguments.length > 4) {
@ -252,6 +255,9 @@ module ts {
}
export function flattenDiagnosticChain(file: SourceFile, start: number, length: number, diagnosticChain: DiagnosticMessageChain, newLine: string): Diagnostic {
Debug.assert(start >= 0, "start must be non-negative, is " + start);
Debug.assert(length >= 0, "length must be non-negative, is " + length);
var code = diagnosticChain.code;
var category = diagnosticChain.category;
var messageText = "";