Commit 795de083 authored by Rene Saarsoo's avatar Rene Saarsoo
Browse files

Support for multiline strings in lexer. 

Stuff like: "Some string\
continues here".

It's rarely used, but I encountered it in some Jasmine tests.
parent 4f8cc451

lib/jsduck/lexer.rb

+2 −2
Original line number Diff line number Diff line
@@ -127,12 +127,12 @@ module JsDuck 
        elsif @input.check(/'/)

          return {

            :type => :string,

            :value => @input.scan(/'([^'\\]|\\.)*'/).sub(/^'(.*)'$/, "\\1")

            :value => @input.scan(/'([^'\\]|\\.)*'/m).sub(/^'(.*)'$/m, "\\1")

          }

        elsif @input.check(/"/)

          return {

            :type => :string,

            :value => @input.scan(/"([^"\\]|\\.)*"/).sub(/^"(.*)"$/, "\\1")

            :value => @input.scan(/"([^"\\]|\\.)*"/m).sub(/^"(.*)"$/m, "\\1")

          }

        elsif @input.check(/\//)

          # Several things begin with dash:

spec/lexer_spec.rb

+8 −0
Original line number Diff line number Diff line
@@ -89,6 +89,14 @@ describe JsDuck::Lexer do 
    it "when escaped single-quote inside single-quoted string" do

      lex(@s+@b+@s+@s   + ' "blah"').should == [[:string, @b+@s], [:string, "blah"]]

    end



    it "when newlines escaped inside double-quoted string" do

      lex(@d+"A\\\nB"+@d).should == [[:string, "A\\\nB"]]

    end



    it "when newlines escaped inside single-quoted string" do

      lex(@s+"A\\\nB"+@s).should == [[:string, "A\\\nB"]]

    end

  end



  it "identifies $ as beginning of identifier" do