Forward location to buildMessage (closes #608)

CHANGELOG.md

@@ -66,6 +66,7 @@
 * On the CLI added the use of `input` and `output` from the _config file_ instead of passing them as arguments
 * Updated examples
 * Upgraded support for Unicode (from _v8_ to _v11_)
+* Forward location to `SyntaxError.buildMessage` ([#608](https://github.com/pegjs/pegjs/pull/608))
 
 ### Bugfixes
 

packages/pegjs/lib/compiler/passes/generate-js.js

@@ -1047,7 +1047,7 @@ function generateJS( ast, session, options ) {
             "",
             "peg$subclass(peg$SyntaxError, Error);",
             "",
-            "peg$SyntaxError.buildMessage = function(expected, found) {",
+            "peg$SyntaxError.buildMessage = function(expected, found, location) {",
             "  var DESCRIBE_EXPECTATION_FNS = {",
             "    literal: function(expectation) {",
             "      return \"\\\"\" + literalEscape(expectation.text) + \"\\\"\";",
@@ -1547,7 +1547,7 @@ function generateJS( ast, session, options ) {
             "",
             "  function peg$buildStructuredError(expected, found, location) {",
             "    return new peg$SyntaxError(",
-            "      peg$SyntaxError.buildMessage(expected, found),",
+            "      peg$SyntaxError.buildMessage(expected, found, location),",
             "      expected,",
             "      found,",
             "      location",

packages/pegjs/lib/parser.js

@@ -1,4 +1,4 @@
-// Generated by PEG.js v0.11.0-dev, https://pegjs.org/
+// Generated by PEG.js v0.11.0, https://pegjs.org/
 
 /* eslint-disable */
 
@@ -28,7 +28,7 @@ function peg$SyntaxError(message, expected, found, location) {
 
 peg$subclass(peg$SyntaxError, Error);
 
-peg$SyntaxError.buildMessage = function(expected, found) {
+peg$SyntaxError.buildMessage = function(expected, found, location) {
   var DESCRIBE_EXPECTATION_FNS = {
     literal: function(expectation) {
       return "\"" + literalEscape(expectation.text) + "\"";
@@ -557,7 +557,7 @@ function peg$parse(input, options) {
 
   function peg$buildStructuredError(expected, found, location) {
     return new peg$SyntaxError(
-      peg$SyntaxError.buildMessage(expected, found),
+      peg$SyntaxError.buildMessage(expected, found, location),
       expected,
       found,
       location

packages/pegjs/typings/generated-parser.d.ts

@@ -56,7 +56,7 @@ declare namespace generatedparser {
         new( message: string, expected: T, found: string | null, location: SourceLocation ): ISyntaxError<T>;
         readonly prototype: ISyntaxError<T>;
 
-        buildMessage( expected: T, found?: string ): string;
+        buildMessage( expected: T, found?: string, location?: SourceLocation ): string;
 
     }