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bash-driver's Issues

semantic: type missing prefix

The type Parameter_expansion_operator_':-' is missing the bash: prefix, unlike Parameter_expansion_operator_'!' or Parameter_expansion_operator_'-',in Semantic mode.

You can see this by parsing export foo=${foo:-bar}.

native: discrepancy in array_assignment_list

When parsing export foo=(bar), the array_assignment_list node has token value bar) instead of either bar or bar). This is also true if the list has multiple element, e.g. export foo=(bar baz) yields an array_assignment_list node with token value bar baz).

The underlying combined_word node(s) have the correct value(s) though, although the parentheses are not contained - I was expecting bash:LP or bash_LT nodes but maybe this is expected behavior ?

NoClassDefFoundError: org/apache/commons/lang/StringUtils

Running the following command (where ./utils/install_server.sh is from a fresh clone of Redis):

/target # bblfsh-cli -a localhost:9432 -l bash -m native --v2 ./utils/install_server.sh

Produces a UAST but also generates the following warning:

WARN: com.ansorgit.plugins.bash.lang.lexer._BashLexer
java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
  at com.ansorgit.plugins.bash.lang.util.HeredocSharedImpl.trimNewline(HeredocSharedImpl.java:56)
  at com.ansorgit.plugins.bash.lang.util.HeredocSharedImpl.cleanMarker(HeredocSharedImpl.java:29)
  at com.ansorgit.plugins.bash.lang.lexer.HeredocLexingState$HeredocMarkerInfo.<init>(HeredocLexingState.java:73)
  at com.ansorgit.plugins.bash.lang.lexer.HeredocLexingState.pushMarker(HeredocLexingState.java:54)
  at com.ansorgit.plugins.bash.lang.lexer._BashLexerBase.advance(_BashLexerBase.java:1642)
  at com.intellij.lexer.FlexAdapter.locateToken(FlexAdapter.java:110)
  at com.intellij.lexer.FlexAdapter.getTokenType(FlexAdapter.java:69)
  at com.intellij.lexer.MergingLexerAdapterBase.locateToken(MergingLexerAdapterBase.java:75)
  at com.intellij.lexer.MergingLexerAdapterBase.getTokenType(MergingLexerAdapterBase.java:48)
  at com.intellij.lang.impl.PsiBuilderImpl.a(PsiBuilderImpl.java:270)
  at com.intellij.lang.impl.PsiBuilderImpl.<init>(PsiBuilderImpl.java:191)
  at com.intellij.lang.impl.PsiBuilderImpl.<init>(PsiBuilderImpl.java:158)
  at com.intellij.lang.impl.PsiBuilderFactoryImpl.createBuilder(PsiBuilderFactoryImpl.java:78)
  at bblfsh.bash.Parser.builder(Parser.java:56)
  at bblfsh.bash.Parser.parse(Parser.java:30)
  at bblfsh.bash.Driver.processRequest(Driver.java:62)
  at bblfsh.bash.Driver.processOne(Driver.java:35)
  at bblfsh.bash.Driver.run(Driver.java:20)
  at bblfsh.bash.Main.main(Main.java:14)

Can this warning be fixed/silenced? Does the lack of this ClassDef adversely affect the generated UAST?

Bash driver is not a detected language

We use enry for language detection both on bblfshd side as well as on our applications. Enry, as well as github/linguist, do not detect Bash itself, but just Shell (this includes the whole family of POSIX-like shell languages).

This generates the following problem:

  • A bash file will never be routed to bash-driver if using automatic language detection at bblfshd side.
  • If we use enry in our applications, we'll never use bash-driver out of the box either.

Bash driver doesn't generate tests from source files

Since last night I am trying to generate tests for the bash-driver unsuccessfully.

First, my source files where .sh, the bblfsh-sdk test was running without errors, but no output generated.

I changed my files to .bash and I see the followings.

TestBashDriver/semantic/bench_ethopian_multiplication (2.01s)
        	require.go:794: 
        			Error Trace:	fixtures.go:241
        			Error:      	Received unexpected error:
        			            	driver failure: read |0: i/o timeout
        			            	
        			            	github.com/bblfsh/bash-driver/vendor/gopkg.in/bblfsh/sdk.v2/driver/native.(*Driver).Parse
        			            		/go/src/github.com/bblfsh/bash-driver/vendor/gopkg.in/bblfsh/sdk.v2/driver/native/native.go:213
        			            	github.com/bblfsh/bash-driver/vendor/gopkg.in/bblfsh/sdk.v2/driver/fixtures.(*Suite).testFixturesUAST.func1
        			            		/go/src/github.com/bblfsh/bash-driver/vendor/gopkg.in/bblfsh/sdk.v2/driver/fixtures/fixtures.go:232
        			            	testing.tRunner
        			            		/usr/local/go/src/testing/testing.go:777
        			            	runtime.goexit
        			            		/usr/local/go/src/runtime/asm_amd64.s:2361
        			Test:       	TestBashDriver/semantic/bench_ethopian_multiplication
FAIL

If you think there might be something wrong with my files, I can make a PR with them.
From RosettaCode, the source code of the files I used is inUnix shell.

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