Use this constructor for string mixins. Input: loc location in source file of mixin
Expression Parser
Input: flags PSxxxx Output: pEndloc if { ... statements ... }, store location of closing brace, otherwise loc of last token of statement
Parse a Type or an Expression
Recognize builtin @ attributes
Look ahead at next token's value.
Look 2 tokens ahead at value.
Turn next token in buffer into a token.
tk is on the opening (. Look ahead and return token that is past the closing ).
Combine two document comments into one, separated by an extra newline if newParagraph is true.