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authorHaoyi Li <haoyi@haoyi-mbp.corp.dropbox.com>2014-11-26 00:44:40 -0800
committerHaoyi Li <haoyi@haoyi-mbp.corp.dropbox.com>2014-11-26 00:44:40 -0800
commitc50f0d417b34d7a8be432c34bac92088734a14ca (patch)
tree1fee0dc07793e900b6c1b848fac2b7d6fd86b04b /scalaParser/src/main/scala/scalaParser/syntax/Literals.scala
parent8e76b69d7576877ce5d706651b57d8e1d6ecd717 (diff)
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Diffstat (limited to 'scalaParser/src/main/scala/scalaParser/syntax/Literals.scala')
-rw-r--r--scalaParser/src/main/scala/scalaParser/syntax/Literals.scala27
1 files changed, 14 insertions, 13 deletions
diff --git a/scalaParser/src/main/scala/scalaParser/syntax/Literals.scala b/scalaParser/src/main/scala/scalaParser/syntax/Literals.scala
index b8342e2..9fd9d5b 100644
--- a/scalaParser/src/main/scala/scalaParser/syntax/Literals.scala
+++ b/scalaParser/src/main/scala/scalaParser/syntax/Literals.scala
@@ -7,17 +7,18 @@ trait Literals { self: Parser with Basic with Identifiers =>
object Literals{
import Basic._
def FloatingPointLiteral = rule {
- capture(
+
+ "." ~ oneOrMore(Digit) ~ optional(ExponentPart) ~ optional(FloatType) |
+ oneOrMore(Digit) ~ (
"." ~ oneOrMore(Digit) ~ optional(ExponentPart) ~ optional(FloatType) |
- oneOrMore(Digit) ~ (
- "." ~ oneOrMore(Digit) ~ optional(ExponentPart) ~ optional(FloatType) |
- ExponentPart ~ optional(FloatType) |
- optional(ExponentPart) ~ FloatType))
+ ExponentPart ~ optional(FloatType) |
+ optional(ExponentPart) ~ FloatType
+ )
}
- def IntegerLiteral = rule { capture((DecimalNumeral | HexNumeral) ~ optional(anyOf("Ll"))) }
+ def IntegerLiteral = rule { (DecimalNumeral | HexNumeral) ~ optional(anyOf("Ll")) }
- def BooleanLiteral = rule { capture(Key.W("true") | Key.W("false")) }
+ def BooleanLiteral = rule { Key.W("true") | Key.W("false") }
def MultilineComment: Rule0 = rule { "/*" ~ zeroOrMore(MultilineComment | !"*/" ~ ANY) ~ "*/" }
def Comment: Rule0 = rule {
@@ -26,26 +27,26 @@ trait Literals { self: Parser with Basic with Identifiers =>
}
def Literal = rule {
- (capture(optional("-")) ~ (FloatingPointLiteral | IntegerLiteral) ~> ((sign: String, number) => sign + number)) |
+ (optional("-") ~ (FloatingPointLiteral | IntegerLiteral)) |
BooleanLiteral |
CharacterLiteral |
StringLiteral |
SymbolLiteral |
- capture(Key.W("null") ~ !(Basic.Letter | Basic.Digit))
+ (Key.W("null") ~ !(Basic.Letter | Basic.Digit))
}
def EscapedChars = rule { '\\' ~ anyOf("rnt\\\"") }
// Note that symbols can take on the same values as keywords!
- def SymbolLiteral = rule { ''' ~ capture(Identifiers.PlainId | Identifiers.Keywords) }
+ def SymbolLiteral = rule { ''' ~ (Identifiers.PlainId | Identifiers.Keywords) }
- def CharacterLiteral = rule { ''' ~ capture(UnicodeExcape | EscapedChars | !'\\' ~ CharPredicate.from(isPrintableChar)) ~ ''' }
+ def CharacterLiteral = rule { ''' ~ (UnicodeExcape | EscapedChars | !'\\' ~ CharPredicate.from(isPrintableChar)) ~ ''' }
def MultiLineChars = rule { zeroOrMore(optional('"') ~ optional('"') ~ noneOf("\"")) }
def StringLiteral = rule {
- (optional(Identifiers.Id) ~ "\"\"\"" ~ capture(MultiLineChars) ~ capture("\"\"\"" ~ zeroOrMore('"')) ~> ((multilineChars: String, quotes) => multilineChars + quotes.dropRight(3))) |
- (optional(Identifiers.Id) ~ '"' ~ capture(zeroOrMore("\\\"" | noneOf("\n\""))) ~ '"')
+ (optional(Identifiers.Id) ~ "\"\"\"" ~ MultiLineChars ~ ("\"\"\"" ~ zeroOrMore('"'))) |
+ (optional(Identifiers.Id) ~ '"' ~ zeroOrMore("\\\"" | noneOf("\n\"")) ~ '"')
}
def isPrintableChar(c: Char): Boolean = {