Add initial parser tests

.editorconfig

@@ -5,3 +5,6 @@ indent_size = 4
 indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
+
+[src/test/testData/**]
+insert_final_newline = false

.gitignore

@@ -2,4 +2,5 @@
 /.idea
 /build
 /.gradle
+/.sandbox
 *.java~

build.gradle

@@ -31,7 +31,9 @@ intellij {
 }
 
 test {
-    useJUnitPlatform()
+    testLogging {
+        exceptionFormat = 'full'
+    }
 }
 
 tasks {

src/test/java/parser/SilverstripeParserTest.java

@@ -0,0 +1,79 @@
+package parser;
+
+import com.intellij.lang.ParserDefinition;
+import com.intellij.testFramework.ParsingTestCase;
+import com.intellij.util.ArrayUtil;
+import com.kinglozzer.silverstripe.parser.SilverstripeParserDefinition;
+import org.jetbrains.annotations.NotNull;
+
+public class SilverstripeParserTest extends ParsingTestCase {
+    public SilverstripeParserTest() {
+        super("parser", "ss", new SilverstripeParserDefinition());
+    }
+
+    public SilverstripeParserTest(ParserDefinition @NotNull ... additionalDefinitions) {
+        super("parser", "ss", ArrayUtil.prepend(new SilverstripeParserDefinition(), additionalDefinitions));
+    }
+
+    @Override
+    protected boolean checkAllPsiRoots() {
+        return false;
+    }
+
+    @Override
+    protected String getTestDataPath() {
+        return "src/test/testData";
+    }
+
+    public void testLookup() {
+        doTest(true);
+    }
+
+    public void testLookupWithArguments() {
+        doTest(true);
+    }
+
+    public void testLookupWithSteps() {
+        doTest(true);
+    }
+
+    public void testIfStatement() {
+        doTest(true);
+    }
+
+    public void testLoopStatement() {
+        doTest(true);
+    }
+
+    public void testWithStatement() {
+        doTest(true);
+    }
+
+    public void testInclude() {
+        doTest(true);
+    }
+
+    public void testIncludeWithNamespace() {
+        doTest(true);
+    }
+
+    public void testIncludeWithArguments() {
+        doTest(true);
+    }
+
+    public void testRequire() {
+        doTest(true);
+    }
+
+    public void testTranslation() {
+        doTest(true);
+    }
+
+    public void testComment() {
+        doTest(true);
+    }
+
+    public void testSampleTemplate() {
+        doTest(true);
+    }
+}

src/test/testData/parser/Comment.ss

@@ -0,0 +1,3 @@
+<%--
+some block comment
+--%>

src/test/testData/parser/Comment.txt

@@ -0,0 +1,6 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    SilverstripePsiElementImpl([Ss] SS_COMMENT_STATEMENT)
+      PsiElement(SS_COMMENT_START)('<%--')
+      PsiComment(SS_COMMENT)('\nsome block comment\n')
+      PsiElement(SS_COMMENT_END)('--%>')

src/test/testData/parser/IfStatement.ss

@@ -0,0 +1,7 @@
+<% if $Foo && $FooBar %>
+    {$Foo}
+<% else_if $Bar %>
+    <% if $Bar.Baz %>
+        {$Bar.Baz}
+    <% end_if %>
+<% end_if %>

src/test/testData/parser/IfStatement.txt

@@ -0,0 +1,77 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    SilverstripePsiElementImpl([Ss] SS_BLOCK_STATEMENT)
+      SilverstripePsiElementImpl([Ss] SS_IF_STATEMENT)
+        PsiElement(SS_BLOCK_START)('<%')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_IF_KEYWORD)('if')
+        PsiWhiteSpace(' ')
+        SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+          SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+            PsiElement([Ss] SS_LOOKUP)('$Foo')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_AND_OR_OPERATOR)('&&')
+        PsiWhiteSpace(' ')
+        SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+          SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+            PsiElement([Ss] SS_LOOKUP)('$FooBar')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_BLOCK_END)('%>')
+      PsiWhiteSpace('\n    ')
+      SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+        PsiElement(SS_LEFT_BRACE)('{')
+        SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+          SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+            PsiElement([Ss] SS_LOOKUP)('$Foo')
+        PsiElement(SS_RIGHT_BRACE)('}')
+      PsiWhiteSpace('\n')
+      SilverstripePsiElementImpl([Ss] SS_ELSE_IF_STATEMENT)
+        PsiElement(SS_BLOCK_START)('<%')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_ELSE_IF_KEYWORD)('else_if')
+        PsiWhiteSpace(' ')
+        SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+          SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+            PsiElement([Ss] SS_LOOKUP)('$Bar')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_BLOCK_END)('%>')
+      PsiWhiteSpace('\n    ')
+      SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+        SilverstripePsiElementImpl([Ss] SS_BLOCK_STATEMENT)
+          SilverstripePsiElementImpl([Ss] SS_IF_STATEMENT)
+            PsiElement(SS_BLOCK_START)('<%')
+            PsiWhiteSpace(' ')
+            PsiElement(SS_IF_KEYWORD)('if')
+            PsiWhiteSpace(' ')
+            SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+              SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+                PsiElement([Ss] SS_LOOKUP)('$Bar')
+              PsiElement(SS_DOT)('.')
+              SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+                PsiElement(SS_IDENTIFIER)('Baz')
+            PsiWhiteSpace(' ')
+            PsiElement(SS_BLOCK_END)('%>')
+          PsiWhiteSpace('\n        ')
+          SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+            PsiElement(SS_LEFT_BRACE)('{')
+            SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+              SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+                PsiElement([Ss] SS_LOOKUP)('$Bar')
+              PsiElement(SS_DOT)('.')
+              SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+                PsiElement(SS_IDENTIFIER)('Baz')
+            PsiElement(SS_RIGHT_BRACE)('}')
+          PsiWhiteSpace('\n    ')
+          SilverstripePsiElementImpl([Ss] SS_BLOCK_END_STATEMENT)
+            PsiElement(SS_BLOCK_START)('<%')
+            PsiWhiteSpace(' ')
+            PsiElement(SS_END_KEYWORD)('end_if')
+            PsiWhiteSpace(' ')
+            PsiElement(SS_BLOCK_END)('%>')
+      PsiWhiteSpace('\n')
+      SilverstripePsiElementImpl([Ss] SS_BLOCK_END_STATEMENT)
+        PsiElement(SS_BLOCK_START)('<%')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_END_KEYWORD)('end_if')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_BLOCK_END)('%>')

src/test/testData/parser/Include.ss

@@ -0,0 +1 @@
+<% include IncludeName %>

src/test/testData/parser/Include.txt

@@ -0,0 +1,10 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    SilverstripeIncludeImpl([Ss] SS_INCLUDE_STATEMENT)
+      PsiElement(SS_BLOCK_START)('<%')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_INCLUDE_KEYWORD)('include')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_INCLUDE_FILE)('IncludeName')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_BLOCK_END)('%>')

src/test/testData/parser/IncludeWithArguments.ss

@@ -0,0 +1 @@
+<% include Path\To\IncludeName Arg1=true, Arg2=false %>

src/test/testData/parser/IncludeWithArguments.txt

@@ -0,0 +1,19 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    SilverstripeIncludeImpl([Ss] SS_INCLUDE_STATEMENT)
+      PsiElement(SS_BLOCK_START)('<%')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_INCLUDE_KEYWORD)('include')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_INCLUDE_FILE)('Path\To\IncludeName')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_NAMED_ARGUMENT_NAME)('Arg1')
+      PsiElement(SS_EQUALS)('=')
+      PsiElement(SS_PRIMITIVE)('true')
+      PsiElement(SS_COMMA)(',')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_NAMED_ARGUMENT_NAME)('Arg2')
+      PsiElement(SS_EQUALS)('=')
+      PsiElement(SS_PRIMITIVE)('false')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_BLOCK_END)('%>')

src/test/testData/parser/IncludeWithNamespace.ss

@@ -0,0 +1 @@
+<% include Path\To\IncludeName %>

src/test/testData/parser/IncludeWithNamespace.txt

@@ -0,0 +1,10 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    SilverstripeIncludeImpl([Ss] SS_INCLUDE_STATEMENT)
+      PsiElement(SS_BLOCK_START)('<%')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_INCLUDE_KEYWORD)('include')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_INCLUDE_FILE)('Path\To\IncludeName')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_BLOCK_END)('%>')

src/test/testData/parser/Lookup.Silverstripe.txt

@@ -0,0 +1,7 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    PsiElement(SS_LEFT_BRACE)('{')
+    SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+      SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+        PsiElement([Ss] SS_LOOKUP)('$Lookup')
+    PsiElement(SS_RIGHT_BRACE)('}')

src/test/testData/parser/Lookup.ss

@@ -0,0 +1 @@
+{$Lookup}

src/test/testData/parser/Lookup.txt

@@ -0,0 +1,7 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    PsiElement(SS_LEFT_BRACE)('{')
+    SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+      SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+        PsiElement([Ss] SS_LOOKUP)('$Lookup')
+    PsiElement(SS_RIGHT_BRACE)('}')

src/test/testData/parser/LookupWithArguments.ss

@@ -0,0 +1 @@
+{$Lookup(true, false, 'string')}

src/test/testData/parser/LookupWithArguments.txt

@@ -0,0 +1,17 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    PsiElement(SS_LEFT_BRACE)('{')
+    SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+      SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+        PsiElement([Ss] SS_LOOKUP)('$Lookup')
+        PsiElement(SS_LEFT_PARENTHESIS)('(')
+        SilverstripePsiElementImpl([Ss] SS_LOOKUP_STEP_ARGS)
+          PsiElement(SS_PRIMITIVE)('true')
+          PsiElement(SS_COMMA)(',')
+          PsiWhiteSpace(' ')
+          PsiElement(SS_PRIMITIVE)('false')
+          PsiElement(SS_COMMA)(',')
+          PsiWhiteSpace(' ')
+          PsiElement(SS_STRING)(''string'')
+        PsiElement(SS_RIGHT_PARENTHESIS)(')')
+    PsiElement(SS_RIGHT_BRACE)('}')

src/test/testData/parser/LookupWithSteps.ss

@@ -0,0 +1 @@
+{$Lookup.Step1('arg').Step2}

src/test/testData/parser/LookupWithSteps.txt

@@ -0,0 +1,17 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    PsiElement(SS_LEFT_BRACE)('{')
+    SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+      SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+        PsiElement([Ss] SS_LOOKUP)('$Lookup')
+      PsiElement(SS_DOT)('.')
+      SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+        PsiElement(SS_IDENTIFIER)('Step1')
+        PsiElement(SS_LEFT_PARENTHESIS)('(')
+        SilverstripePsiElementImpl([Ss] SS_LOOKUP_STEP_ARGS)
+          PsiElement(SS_STRING)(''arg'')
+        PsiElement(SS_RIGHT_PARENTHESIS)(')')
+      PsiElement(SS_DOT)('.')
+      SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+        PsiElement(SS_IDENTIFIER)('Step2')
+    PsiElement(SS_RIGHT_BRACE)('}')

src/test/testData/parser/LoopStatement.ss

@@ -0,0 +1,5 @@
+<% loop $List %>
+    <% loop $NestedList %>
+        {$Title}
+    <% end_loop %>
+<% end_loop %>

src/test/testData/parser/LoopStatement.txt

@@ -0,0 +1,47 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    SilverstripePsiElementImpl([Ss] SS_BLOCK_STATEMENT)
+      SilverstripePsiElementImpl([Ss] SS_BLOCK_START_STATEMENT)
+        PsiElement(SS_BLOCK_START)('<%')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_START_KEYWORD)('loop')
+        PsiWhiteSpace(' ')
+        SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+          SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+            PsiElement([Ss] SS_LOOKUP)('$List')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_BLOCK_END)('%>')
+      PsiWhiteSpace('\n    ')
+      SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+        SilverstripePsiElementImpl([Ss] SS_BLOCK_STATEMENT)
+          SilverstripePsiElementImpl([Ss] SS_BLOCK_START_STATEMENT)
+            PsiElement(SS_BLOCK_START)('<%')
+            PsiWhiteSpace(' ')
+            PsiElement(SS_START_KEYWORD)('loop')
+            PsiWhiteSpace(' ')
+            SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+              SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+                PsiElement([Ss] SS_LOOKUP)('$NestedList')
+            PsiWhiteSpace(' ')
+            PsiElement(SS_BLOCK_END)('%>')
+          PsiWhiteSpace('\n        ')
+          SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+            PsiElement(SS_LEFT_BRACE)('{')
+            SilverstripePsiElementImpl([Ss] SS_LOOKUP)
+              SilverstripeLookupStepImpl([Ss] SS_LOOKUP_STEP)
+                PsiElement([Ss] SS_LOOKUP)('$Title')
+            PsiElement(SS_RIGHT_BRACE)('}')
+          PsiWhiteSpace('\n    ')
+          SilverstripePsiElementImpl([Ss] SS_BLOCK_END_STATEMENT)
+            PsiElement(SS_BLOCK_START)('<%')
+            PsiWhiteSpace(' ')
+            PsiElement(SS_END_KEYWORD)('end_loop')
+            PsiWhiteSpace(' ')
+            PsiElement(SS_BLOCK_END)('%>')
+      PsiWhiteSpace('\n')
+      SilverstripePsiElementImpl([Ss] SS_BLOCK_END_STATEMENT)
+        PsiElement(SS_BLOCK_START)('<%')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_END_KEYWORD)('end_loop')
+        PsiWhiteSpace(' ')
+        PsiElement(SS_BLOCK_END)('%>')

src/test/testData/parser/Require.ss

@@ -0,0 +1 @@
+<% require themedCSS('dist/style') %>

src/test/testData/parser/Require.txt

@@ -0,0 +1,14 @@
+FILE
+  SilverstripePsiElementImpl([Ss] SS_STATEMENTS)
+    SilverstripePsiElementImpl([Ss] SS_REQUIRE_STATEMENT)
+      PsiElement(SS_BLOCK_START)('<%')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_REQUIRE_KEYWORD)('require')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_REQUIRE_THEMED_CSS)('themedCSS')
+      PsiElement(SS_LEFT_PARENTHESIS)('(')
+      SilverstripePsiElementImpl([Ss] SS_LOOKUP_STEP_ARGS)
+        PsiElement(SS_STRING)(''dist/style'')
+      PsiElement(SS_RIGHT_PARENTHESIS)(')')
+      PsiWhiteSpace(' ')
+      PsiElement(SS_BLOCK_END)('%>')