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jimsynz/1_source.rb

Last active December 30, 2015 16:09
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Surprised that you can't just ram a `rescue` or `ensure` inside a block without an enclosing `begin`.
Raw
1_source.rb
puts "Trying Ruby #{RUBY_DESCRIPTION}"
eval <<-'EOF'
proc do
puts "hello"
rescue Exception => e
puts "Exception #{e}"
ensure
puts "goodbye"
end
EOF
Raw
2_result.txt
$ rvm all do ruby source.rb
Trying Ruby jruby 1.7.5 (1.9.3p392) 2013-10-07 74e9291 on Java HotSpot(TM) 64-Bit Server VM 1.7.0_13-b20 [darwin-x86_64]
SyntaxError: (eval):3: syntax error, unexpected kRESCUE
rescue Exception => e
^
eval at org/jruby/RubyKernel.java:1121
(root) at source.rb:3
Trying Ruby rubinius 2.0.0 (2.1.0 2013-10-04 JI) [x86_64-darwin12.5.0]
A syntax error has occurred:
expecting keyword_end: (eval):3:8
Code:
rescue Exception => e
^
Backtrace:
Rubinius::ToolSet::Runtime::Melbourne#syntax_error at .rvm/rubies/rbx-2.0.0/runtime/gems/rubinius-melbourne-2.0.0.17/lib
/rubinius/melbourne.rbc:68
Rubinius::ToolSet::Runtime::Melbourne#parse_string at .rvm/rubies/rbx-2.0.0/runtime/gems/rubinius-melbourne-2.0.0.17/lib
/rubinius/melbourne.rbc:72
Rubinius::ToolSet::Runtime::Compiler::StringParser(Rubinius::ToolSet::Runtime::Compiler::EvalParser)#parse at .rvm/rubies/rbx-2.0.0/runtime
/gems/rubinius-compiler-2.0.4
/lib/rubinius/compiler
/stages.rbc:241
Rubinius::ToolSet::Runtime::Compiler::Parser(Rubinius::ToolSet::Runtime::Compiler::EvalParser)#run at .rvm/rubies/rbx-2.0.0/runtime/gems
/rubinius-compiler-2.0.4/lib/rubinius
/compiler/stages.rbc:207
Rubinius::ToolSet::Runtime::Compiler#run at .rvm/rubies/rbx-2.0.0/runtime/gems/rubinius-compiler-2.0.4/lib/rubinius
/compiler/compiler.rbc:361
Rubinius::ToolSet::Runtime::Compiler.compile_eval at .rvm/rubies/rbx-2.0.0/runtime/gems/rubinius-compiler-2.0.4/lib/rubinius
/compiler/compiler.rbc:305
Rubinius::ToolSet::Runtime::Compiler.construct_block at .rvm/rubies/rbx-2.0.0/runtime/gems/rubinius-compiler-2.0.4/lib/rubinius
/compiler/compiler.rbc:317
Kernel(Object)#eval at kernel/common/eval.rb:174
Object#__script__ at source.rb:3
Rubinius::CodeLoader#load_script at kernel/delta/code_loader.rb:66
Rubinius::CodeLoader.load_script at kernel/delta/code_loader.rb:182
Rubinius::Loader#script at kernel/loader.rb:641
Rubinius::Loader#main at kernel/loader.rb:822
Trying Ruby rubinius 2.2.0 (2.1.0 f66ada69 2013-11-15 JI) [x86_64-darwin13.0.0]
A syntax error has occurred:
expecting keyword_end: (eval):3:8
Code:
rescue Exception => e
^
Backtrace:
Rubinius::ToolSet::Runtime::Melbourne#syntax_error at .rvm/rubies/rbx-2.2.0/runtime/gems/rubinius-melbourne-2.0.0.19/lib
/rubinius/melbourne.rbc:68
Rubinius::ToolSet::Runtime::Melbourne#parse_string at .rvm/rubies/rbx-2.2.0/runtime/gems/rubinius-melbourne-2.0.0.19/lib
/rubinius/melbourne.rbc:72
Rubinius::ToolSet::Runtime::Compiler::StringParser(Rubinius::ToolSet::Runtime::Compiler::EvalParser)#parse at .rvm/rubies/rbx-2.2.0/runtime
/gems/rubinius-compiler-2.0.4
/lib/rubinius/compiler
/stages.rbc:241
Rubinius::ToolSet::Runtime::Compiler::Parser(Rubinius::ToolSet::Runtime::Compiler::EvalParser)#run at .rvm/rubies/rbx-2.2.0/runtime/gems
/rubinius-compiler-2.0.4/lib/rubinius
/compiler/stages.rbc:207
Rubinius::ToolSet::Runtime::Compiler#run at .rvm/rubies/rbx-2.2.0/runtime/gems/rubinius-compiler-2.0.4/lib/rubinius
/compiler/compiler.rbc:361
Rubinius::ToolSet::Runtime::Compiler.compile_eval at .rvm/rubies/rbx-2.2.0/runtime/gems/rubinius-compiler-2.0.4/lib/rubinius
/compiler/compiler.rbc:305
Rubinius::ToolSet::Runtime::Compiler.construct_block at .rvm/rubies/rbx-2.2.0/runtime/gems/rubinius-compiler-2.0.4/lib/rubinius
/compiler/compiler.rbc:317
Kernel(Object)#eval at kernel/common/eval.rb:174
Object#__script__ at source.rb:3
Rubinius::CodeLoader#load_script at kernel/delta/code_loader.rb:66
Rubinius::CodeLoader.load_script at kernel/delta/code_loader.rb:193
Rubinius::Loader#script at kernel/loader.rb:649
Rubinius::Loader#main at kernel/loader.rb:831
Trying Ruby ruby 1.9.3p448 (2013-06-27 revision 41675) [x86_64-darwin12.4.0]
source.rb:3:in `eval': (eval):3: syntax error, unexpected keyword_rescue, expecting keyword_end (SyntaxError)
rescue Exception => e
^
(eval):5: syntax error, unexpected keyword_ensure, expecting keyword_end
from source.rb:3:in `<main>'
Trying Ruby ruby 2.0.0p353 (2013-11-22 revision 43784) [x86_64-darwin13.0.0]
source.rb:3:in `eval': (eval):3: syntax error, unexpected keyword_rescue, expecting keyword_end (SyntaxError)
rescue Exception => e
^
(eval):5: syntax error, unexpected keyword_ensure, expecting keyword_end
from source.rb:3:in `<main>'
Trying Ruby ruby 2.1.0dev (2013-11-23 trunk 43807) [x86_64-darwin13.0]
source.rb:3:in `eval': (eval):3: syntax error, unexpected keyword_rescue, expecting keyword_end (SyntaxError)
rescue Exception => e
^
(eval):5: syntax error, unexpected keyword_ensure, expecting keyword_end
from source.rb:3:in `<main>'
@oystersauce8
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have you found a workaround?

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