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Fixes #1467. Catch now introduces its parameter to scope.

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This commit is contained in:
Timothy Jones
2011-06-26 02:34:52 +12:00
committed by Michael Ficarra
parent 73af3b17b1
commit 0f18dff464
3 changed files with 8 additions and 1 deletions
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2
lib/nodes.js
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@@ -1822,7 +1822,7 @@
var catchPart, errorPart;
o.indent += TAB;
errorPart = this.error ? " (" + (this.error.compile(o)) + ") " : ' ';
catchPart = this.recovery ? " catch" + errorPart + "{\n" + (this.recovery.compile(o, LEVEL_TOP)) + "\n" + this.tab + "}" : !(this.ensure || this.recovery) ? ' catch (_e) {}' : void 0;
catchPart = this.recovery ? (o.scope.add(this.error.value, 'param'), " catch" + errorPart + "{\n" + (this.recovery.compile(o, LEVEL_TOP)) + "\n" + this.tab + "}") : !(this.ensure || this.recovery) ? ' catch (_e) {}' : void 0;
return ("" + this.tab + "try {\n" + (this.attempt.compile(o, LEVEL_TOP)) + "\n" + this.tab + "}" + (catchPart || '')) + (this.ensure ? " finally {\n" + (this.ensure.compile(o, LEVEL_TOP)) + "\n" + this.tab + "}" : '');
};
return Try;

1
src/nodes.coffee
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@@ -1402,6 +1402,7 @@ exports.Try = class Try extends Base
o.indent += TAB
errorPart = if @error then " (#{ @error.compile o }) " else ' '
catchPart = if @recovery
o.scope.add @error.value, 'param'
" catch#{errorPart}{\n#{ @recovery.compile o, LEVEL_TOP }\n#{@tab}}"
else unless @ensure or @recovery
' catch (_e) {}'

6
test/scope.coffee
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@@ -26,3 +26,9 @@ test "siblings of variadic arguments shouldn't break out.", ->
oops = (x,args...) ->
oops(20, 1,2,3)
eq x, 10
test "catch statements should introduce their argument to scope", ->
try throw ''
catch e
do -> e = 5
eq 5, e