From e4c385c0f0a5c2adf1ad9a8ed3be663d67918997 Mon Sep 17 00:00:00 2001
From: Li Haoyi <haoyi@dropbox.com>
Date: Sun, 16 Nov 2014 21:27:45 -0800
Subject: The parser has reached meta-circularity~!

---
 scalatexApi/src/main/scala/scalaparser/ScalaSyntax.scala    |  9 ++++++---
 .../src/main/scala/scalaparser/syntax/Literals.scala        |  2 +-
 scalatexApi/src/test/scala/scalaparser/SyntaxTest.scala     | 13 ++++++++-----
 3 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/scalatexApi/src/main/scala/scalaparser/ScalaSyntax.scala b/scalatexApi/src/main/scala/scalaparser/ScalaSyntax.scala
index 989e6d9..264c79c 100644
--- a/scalatexApi/src/main/scala/scalaparser/ScalaSyntax.scala
+++ b/scalatexApi/src/main/scala/scalaparser/ScalaSyntax.scala
@@ -130,11 +130,14 @@ class ScalaSyntax(val input: ParserInput) extends Parser with Basic with Identif
     ForCFlow(G) |
     "throw" ~ Expr(G) |
     "return" ~ optional(Expr(G)) |
-    SimpleExpr() ~ ArgumentExprs() ~ '=' ~ Expr(G) |
-    optional(SimpleExpr() ~ '.') ~ Id() ~ '=' ~ Expr(G) |
+    NaiveAssignment(G) |
+    SimpleExpr() ~ (
+      ArgumentExprs() ~ '=' ~ Expr(G) |
+      '.' ~ NaiveAssignment(G)
+    ) |
     PostfixExpr(false) ~ optional("match" ~ '{' ~ CaseClauses ~ StrW("}", false) | Ascription(false)) ~ W(G)
   }
-
+  def NaiveAssignment(G: B = t) = rule{ Id() ~ '=' ~ Expr(G) }
   def IfCFlow(G: B = t) = rule { "if" ~ '(' ~ Expr() ~ ')' ~ zeroOrMore(Newline) ~ Expr(G) ~ optional(optional(Semi) ~ "else" ~ Expr(G)) }
   def WhileCFlow(G: B = t) = rule { "while" ~ '(' ~ Expr() ~ ')' ~ zeroOrMore(Newline) ~ Expr(G) }
   def TryCFlow(G: B = t) = rule { "try" ~ '{' ~ Block ~ StrW("}", G) ~ optional("catch" ~ '{' ~ CaseClauses ~ StrW("}", G)) ~ optional("finally" ~ Expr(G)) }
diff --git a/scalatexApi/src/main/scala/scalaparser/syntax/Literals.scala b/scalatexApi/src/main/scala/scalaparser/syntax/Literals.scala
index 11eb943..8aaf664 100644
--- a/scalatexApi/src/main/scala/scalaparser/syntax/Literals.scala
+++ b/scalatexApi/src/main/scala/scalaparser/syntax/Literals.scala
@@ -37,7 +37,7 @@ trait Literals { self: Parser with Basic with Identifiers =>
 
     def EscapedChars = rule { '\\' ~ anyOf("rnt\\\"") }
 
-    def SymbolLiteral = rule { ''' ~ capture(Identifiers.PlainId) }
+    def SymbolLiteral = rule { ''' ~ capture(Identifiers.PlainId | Identifiers.Keywords) }
 
     def CharacterLiteral = rule { ''' ~ capture(UnicodeExcape | EscapedChars | !'\\' ~ CharPredicate.from(isPrintableChar)) ~ ''' }
 
diff --git a/scalatexApi/src/test/scala/scalaparser/SyntaxTest.scala b/scalatexApi/src/test/scala/scalaparser/SyntaxTest.scala
index 8036896..10f6ed9 100644
--- a/scalatexApi/src/test/scala/scalaparser/SyntaxTest.scala
+++ b/scalatexApi/src/test/scala/scalaparser/SyntaxTest.scala
@@ -215,22 +215,25 @@ object SyntaxTest extends TestSuite{
     println("Checking")
     'file{
       def checkFile(path: String) = check(io.Source.fromFile(path).mkString)
-      * - checkFile("scalatexApi/src/test/scala/scalaparser/SyntaxTest.scala")
+
       * - checkFile("scalatexApi/src/main/scala/scalaparser/syntax/Basic.scala")
       * - checkFile("scalatexApi/src/main/scala/scalaparser/syntax/Identifiers.scala")
       * - checkFile("scalatexApi/src/main/scala/scalaparser/syntax/Literals.scala")
-      // All the commented files seem to make the parser run forever. There's probably
-      // some exponential performance somewhere in there, but I can't see it =/
       * - checkFile("scalatexApi/src/main/scala/scalaparser/ScalaSyntax.scala")
-      * - checkFile("scalatexApi/src/test/scala/scalatex/TestUtil.scala")
+
+      * - checkFile("scalatexApi/src/test/scala/scalaparser/SyntaxTest.scala")
+
 
 
       * - checkFile("scalatexApi/src/main/scala/scalatex/stages/Compiler.scala")
       * - checkFile("scalatexApi/src/main/scala/scalatex/stages/Parser.scala")
-//      * - checkFile("scalatexApi/src/test/scala/scalatex/ParserTests.scala")
       * - checkFile("scalatexApi/src/main/scala/scalatex/stages/Trim.scala")
       * - checkFile("scalatexApi/src/main/scala/scalatex/package.scala")
 
+      * - checkFile("scalatexApi/src/test/scala/scalatex/ParserTests.scala")
+      * - checkFile("scalatexApi/src/test/scala/scalatex/BasicTests.scala")
+      * - checkFile("scalatexApi/src/test/scala/scalatex/ErrorTests.scala")
+      * - checkFile("scalatexApi/src/test/scala/scalatex/TestUtil.scala")
     }
   }
 
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