Tighten "try ... catch" clauses in spec helpers

They wrapped too much code.

spec/behavior/generated-parser-behavior.spec.js

@@ -41,20 +41,6 @@ describe("generated parser behavior", function() {
 
         try {
           result = this.actual.parse(input, options);
-
-          if (expected !== undefined) {
-            this.message = function() {
-              return "Expected " + jasmine.pp(input) + " "
-                   + "with options " + jasmine.pp(options) + " "
-                   + (this.isNot ? "not " : "")
-                   + "to parse as " + jasmine.pp(expected) + ", "
-                   + "but it parsed as " + jasmine.pp(result) + ".";
-            };
-
-            return this.env.equals_(result, expected);
-          } else {
-            return true;
-          }
         } catch (e) {
           this.message = function() {
             return "Expected " + jasmine.pp(input) + " "
@@ -66,6 +52,20 @@ describe("generated parser behavior", function() {
 
           return false;
         }
+
+        if (expected !== undefined) {
+          this.message = function() {
+            return "Expected " + jasmine.pp(input) + " "
+                 + "with options " + jasmine.pp(options) + " "
+                 + (this.isNot ? "not " : "")
+                 + "to parse as " + jasmine.pp(expected) + ", "
+                 + "but it parsed as " + jasmine.pp(result) + ".";
+          };
+
+          return this.env.equals_(result, expected);
+        } else {
+          return true;
+        }
       },
 
       toFailToParse: function(input, details, options) {
@@ -75,16 +75,6 @@ describe("generated parser behavior", function() {
 
         try {
           result = this.actual.parse(input, options);
-
-          this.message = function() {
-            return "Expected " + jasmine.pp(input) + " "
-                 + "with options " + jasmine.pp(options) + " "
-                 + "to fail to parse"
-                 + (details ? " with details " + jasmine.pp(details) : "") + ", "
-                 + "but it parsed as " + jasmine.pp(result) + ".";
-          };
-
-          return false;
         } catch (e) {
           if (this.isNot) {
             this.message = function() {
@@ -117,6 +107,16 @@ describe("generated parser behavior", function() {
 
           return true;
         }
+
+        this.message = function() {
+          return "Expected " + jasmine.pp(input) + " "
+               + "with options " + jasmine.pp(options) + " "
+               + "to fail to parse"
+               + (details ? " with details " + jasmine.pp(details) : "") + ", "
+               + "but it parsed as " + jasmine.pp(result) + ".";
+        };
+
+        return false;
       }
     });
   });

spec/unit/compiler/passes/helpers.js

@@ -66,15 +66,6 @@ beforeEach(function() {
 
       try {
         this.actual(ast);
-
-        this.message = function() {
-          return "Expected the pass to report an error "
-               + (details ? "with details " + jasmine.pp(details) + " ": "")
-               + "for grammar " + jasmine.pp(grammar) + ", "
-               + "but it didn't.";
-        };
-
-        return false;
       } catch (e) {
         if (this.isNot) {
           this.message = function() {
@@ -104,6 +95,15 @@ beforeEach(function() {
 
         return true;
       }
+
+      this.message = function() {
+        return "Expected the pass to report an error "
+             + (details ? "with details " + jasmine.pp(details) + " ": "")
+             + "for grammar " + jasmine.pp(grammar) + ", "
+             + "but it didn't.";
+      };
+
+      return false;
     }
   });
 });

spec/unit/parser.spec.js

@@ -179,17 +179,6 @@ describe("PEG.js grammar parser", function() {
 
         try {
           result = peg.parser.parse(this.actual);
-
-          stripLocation(result);
-
-          this.message = function() {
-            return "Expected " + jasmine.pp(this.actual) + " "
-                 + (this.isNot ? "not " : "")
-                 + "to parse as " + jasmine.pp(expected) + ", "
-                 + "but it parsed as " + jasmine.pp(result) + ".";
-          };
-
-          return this.env.equals_(result, expected);
         } catch (e) {
           this.message = function() {
             return "Expected " + jasmine.pp(this.actual) + " "
@@ -200,6 +189,17 @@ describe("PEG.js grammar parser", function() {
 
           return false;
         }
+
+        stripLocation(result);
+
+        this.message = function() {
+          return "Expected " + jasmine.pp(this.actual) + " "
+               + (this.isNot ? "not " : "")
+               + "to parse as " + jasmine.pp(expected) + ", "
+               + "but it parsed as " + jasmine.pp(result) + ".";
+        };
+
+        return this.env.equals_(result, expected);
       },
 
       toFailToParse: function(details) {
@@ -207,16 +207,6 @@ describe("PEG.js grammar parser", function() {
 
         try {
           result = peg.parser.parse(this.actual);
-
-          stripLocation(result);
-
-          this.message = function() {
-            return "Expected " + jasmine.pp(this.actual) + " to fail to parse"
-                 + (details ? " with details " + jasmine.pp(details) : "") + ", "
-                 + "but it parsed as " + jasmine.pp(result) + ".";
-          };
-
-          return false;
         } catch (e) {
           if (this.isNot) {
             this.message = function() {
@@ -245,6 +235,16 @@ describe("PEG.js grammar parser", function() {
 
           return true;
         }
+
+        stripLocation(result);
+
+        this.message = function() {
+          return "Expected " + jasmine.pp(this.actual) + " to fail to parse"
+               + (details ? " with details " + jasmine.pp(details) : "") + ", "
+               + "but it parsed as " + jasmine.pp(result) + ".";
+        };
+
+        return false;
       }
     });
   });