clearer interface for parsing errors.

Chevrotain · Nov 30, 2015 · 632ab14 · 632ab14
1 parent 4434309
commit 632ab14
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Showing 2 changed files with 10 additions and 3 deletions.
diff --git a/src/parse/exceptions_public.ts b/src/parse/exceptions_public.ts
@@ -1,5 +1,11 @@
 namespace chevrotain.exceptions {
 
+ export interface IRecognitionException {
+ name:string,
+ message:string,
+ token:Token
+ }
+
  // hacks to bypass no support for custom Errors in javascript/typescript
  export function isRecognitionException(error:Error) {
  let recognitionExceptions = [

diff --git a/src/parse/parser_public.ts b/src/parse/parser_public.ts
@@ -13,6 +13,7 @@ namespace chevrotain {
  import checks = chevrotain.checks
  import resolver = chevrotain.resolver
  import exceptions = chevrotain.exceptions
+ import IRecognitionException = chevrotain.exceptions.IRecognitionException
 
 
  export enum ParserDefinitionErrorType {
@@ -71,7 +72,7 @@ namespace chevrotain {
  }
 
  export interface IParserState {
- errors: Error[]
+ errors: exceptions.IRecognitionException[]
  inputIdx:number
  RULE_STACK:string[]
  }
@@ -134,7 +135,7 @@ namespace chevrotain {
  }
  }
 
- public errors:Error[] = []
+ public errors:exceptions.IRecognitionException[] = []
 
  /**
  * This flag enables or disables error recovery (fault tolerance) of the parser.
@@ -235,7 +236,7 @@ namespace chevrotain {
  return !(_.isEmpty(this.isBackTrackingStack))
  }
 
- protected SAVE_ERROR(error:Error):Error {
+ protected SAVE_ERROR(error:exceptions.IRecognitionException):IRecognitionException {
  if (exceptions.isRecognitionException(error)) {
  this.errors.push(error)
  return error