scala metals support

metals-vim

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+source ./common
+
+COURSIER_BIN=${MY_BIN}/coursier
+METALS_VIM_BIN=${MY_BIN}/metals-vim
+METALS_VERSION="2.12:0.4.4"
+
+[[ -e ${COURSIER_BIN} ]] || curl --silent -L -o ${COURSIER_BIN} https://git.io/coursier
+[[ -e ${COURSIER_BIN} ]] && [[ -x ${COURSIER_BIN} ]] || chmod +x ${COURSIER_BIN}
+
+coursier bootstrap \
+    --java-opt -XX:+UseG1GC \
+    --java-opt -XX:+UseStringDeduplication  \
+    --java-opt -Xss4m \
+    --java-opt -Xms100m \
+    --java-opt -Dmetals.client=vim-lsc \
+    org.scalameta:metals_${METALS_VERSION} \
+    -r bintray:scalacenter/releases \
+    -r sonatype:snapshots \
+    -o ${METALS_VIM_BIN} -f

profile.sh

@@ -317,6 +317,7 @@ function ack-json-log {
 export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
 export GRADLE_HOME="${BREW_PREFIX}/opt/gradle"
 
+export SBT_OPTS="-XX:MaxMetaspaceSize=512m -Xms2048m -Xmx2048m"
 # default to scala 2.11
 BREW_SCALA_HOME="${BREW_PREFIX}/opt/[email protected]"
 if [[ -d "${BREW_SCALA_HOME}/bin" ]]; then

vimrc

@@ -38,12 +38,30 @@ Plug 'ajh17/Spacegray.vim'
 " jvm
 Plug 'vim-scripts/log4j.vim'
 Plug 'tfnico/vim-gradle'
-Plug 'derekwyatt/vim-scala'
 Plug 'gurpreetatwal/vim-avro', {'as': 'vim-avro-avdl'}  "only avdl support
 Plug 'AoLab/vim-avro', {'as': 'vim-avro-avsc'}          "only avsc support
 Plug 'GEverding/vim-hocon'
 Plug 'neo4j-contrib/cypher-vim-syntax'
 
+" scala/metals support
+Plug 'derekwyatt/vim-scala'
+Plug 'natebosch/vim-lsc'
+
+" Configuration for vim-scala
+au BufRead,BufNewFile *.sbt set filetype=scala
+
+" Configuration for vim-lsc
+let g:lsc_enable_autocomplete = v:false
+let g:lsc_server_commands = {
+  \  'scala': {
+  \    'command': 'metals-vim',
+  \    'log_level': 'Log'
+  \  }
+  \}
+let g:lsc_auto_map = {
+  \  'GoToDefinition': 'gd',
+  \}
+
 " javascript/json
 Plug 'mustache/vim-mustache-handlebars'
 Plug 'moll/vim-node'