From d76d7d2a7426e34b0fb358029cbaa2d71f0118e8 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
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')

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