From d76d7d2a7426e34b0fb358029cbaa2d71f0118e8 Mon Sep 17 00:00:00 2001 From: Aleksey Kladov Date: Sun, 31 Dec 2017 15:14:47 +0300 Subject: Lexer: strings --- src/lexer/mod.rs | 12 +++++++++++- src/lexer/strings.rs | 24 +++++++++++++++++++++++- 2 files changed, 34 insertions(+), 2 deletions(-) (limited to 'src/lexer') diff --git a/src/lexer/mod.rs b/src/lexer/mod.rs index d81ea0339..d66046ca1 100644 --- a/src/lexer/mod.rs +++ b/src/lexer/mod.rs @@ -11,7 +11,7 @@ mod numbers; use self::numbers::scan_number; mod strings; -use self::strings::{string_literal_start, scan_char, scan_byte_char_or_string}; +use self::strings::{string_literal_start, scan_char, scan_byte_char_or_string, scan_string, scan_raw_string}; pub fn next_token(text: &str) -> Token { assert!(!text.is_empty()); @@ -128,6 +128,16 @@ fn next_token_inner(c: char, ptr: &mut Ptr) -> SyntaxKind { scan_literal_suffix(ptr); return kind }, + '"' => { + scan_string(ptr); + scan_literal_suffix(ptr); + return STRING; + } + 'r' => { + scan_raw_string(ptr); + scan_literal_suffix(ptr); + return RAW_STRING; + } _ => (), } ERROR diff --git a/src/lexer/strings.rs b/src/lexer/strings.rs index 283ce8feb..2c1d86374 100644 --- a/src/lexer/strings.rs +++ b/src/lexer/strings.rs @@ -47,6 +47,27 @@ pub(crate) fn scan_byte_char_or_string(ptr: &mut Ptr) -> SyntaxKind { } } +pub(crate) fn scan_string(ptr: &mut Ptr) { + while let Some(c) = ptr.bump() { + if c == '"' { + return + } + } +} + +pub(crate) fn scan_raw_string(ptr: &mut Ptr) { + if !ptr.next_is('"') { + return + } + ptr.bump(); + + while let Some(c) = ptr.bump() { + if c == '"' { + return + } + } +} + fn scan_byte(ptr: &mut Ptr) { if ptr.next_is('\'') { ptr.bump(); @@ -83,4 +104,5 @@ fn scan_raw_byte_string(ptr: &mut Ptr) { fn scan_char_or_byte(ptr: &mut Ptr) { //FIXME: deal with escape sequencies ptr.bump(); -} \ No newline at end of file +} + -- cgit v1.2.3