vendor: add bblfsh client as dependency

Signed-off-by: Miguel Molina <[email protected]>

.travis.yml

@@ -1,18 +1,43 @@
 language: go
+sudo: required
 
 go:
   - 1.9
   - tip
 
+<<<<<<< HEAD
 go_import_path: github.com/src-d/gitbase
+=======
+services:
+  - docker
+
+go_import_path: github.com/src-d/gitbase
+>>>>>>> internal/function: implement uast and uast_xpath functions
 
 matrix:
   fast_finish: true
   allow_failures:
     - go: tip
 
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    packages:
+    - gcc-6
+    - g++-6
+
 install:
+  - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-6 90
+  - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 90
+  - cd ./vendor/gopkg.in/bblfsh/client-go.v2
   - make dependencies
+  - cd ./../../../..
+  - make dependencies
+
+before_script:
+  - docker run -d --name bblfshd --privileged -p 9432:9432 -v /var/lib/bblfshd:/var/lib/bblfshd bblfsh/bblfshd
+  - docker exec -it bblfshd bblfshctl driver install --all
 
 script:
   - make test-coverage codecov

Gopkg.toml

@@ -45,3 +45,7 @@
 [[constraint]]
   name = "gopkg.in/src-d/enry.v1"
   version = "1.6.3"
+
+[[constraint]]
+  name = "gopkg.in/bblfsh/client-go.v2"
+  version = "2.4.1"

env.go

@@ -25,3 +25,11 @@ func getBoolEnv(key string, defaultValue bool) bool {
 
 	return defaultValue
 }
+
+func getStringEnv(key string, defaultValue string) string {
+	v, ok := os.LookupEnv(key)
+	if !ok {
+		return defaultValue
+	}
+	return v
+}

internal/function/registry.go

@@ -2,11 +2,14 @@ package function
 
 import "gopkg.in/src-d/go-mysql-server.v0/sql"
 
+// Functions for gitbase queries.
 var Functions = sql.Functions{
 	"is_tag":          sql.Function1(NewIsTag),
 	"is_remote":       sql.Function1(NewIsRemote),
 	"commit_has_blob": sql.Function2(NewCommitHasBlob),
 	"history_idx":     sql.Function2(NewHistoryIdx),
 	"commit_has_tree": sql.Function2(NewCommitHasTree),
 	"language":        sql.FunctionN(NewLanguage),
+	"uast":            sql.FunctionN(NewUAST),
+	"uast_xpath":      sql.Function2(NewUASTXPath),
 }