From 759ceeb80571c4b1048074e3d0cca7dc2472cbc2 Mon Sep 17 00:00:00 2001
From: moculus <none@none>
Date: Mon, 9 Apr 2007 23:21:43 +0000
Subject: [PATCH] --HG-- branch : pmacs2

---
 highlight2.py | 50 ++++++++++++++++++++++++++++++++++++++++++++++++--
 lex2.py       |  6 ++++++
 test2.py      |  5 ++++-
 test3.py      | 16 +++++++++++-----
 4 files changed, 69 insertions(+), 8 deletions(-)

diff --git a/highlight2.py b/highlight2.py
index aa70d18..42f2300 100644
--- a/highlight2.py
+++ b/highlight2.py
@@ -31,6 +31,7 @@ class Highlighter:
                         break
                 if color_name is not None:
                     sys.stdout.write(color_dict[color_name])
+                    pass
                 elif debug:
                     raise Exception, "no highlighting for %r" % token.name
                 else:
@@ -45,5 +46,50 @@ class Highlighter:
         for token in self.lexer:
             self.tokens[token.y].append(token)
 
-    def update(self, lines):
-        pass
\ No newline at end of file
+    def update(self, lines, y1=0, x1=0, y2=-1, x2=-1):
+        # basically, we are syncing up our cached internal state with the lexer
+        # so... we need to keep track of where we are in our internal structure.
+        insertion_index = None
+        line_index = None
+        x = x1
+        y = y1
+
+        # so figure out where exactly the document has changed and how this
+        # necessarily affects our internal structure
+        for i in range(0, len(self.tokens[y1])):
+            t = self.tokens[y1][i]
+            if t.x < x1 and t.x + len(t.string) > x1:
+                # this token spans our region, so invalidate it and start our
+                # update from its start instead
+                x1 = t.x
+                insertion_index = i
+                line_index = i
+                del self.tokens[i]
+                break
+            elif t.x == x1:
+                # ok, so it looks like the change starts on a token
+                line_index = i
+
+        assert line_index is not None:
+
+        self.lexer.lex(lines, y1, x1)
+        for lt in self.lexer.lex:
+            if y != lt.y:
+                y = lt.y
+            if insertion_index:
+                # ok, so we have a "gap" that we have to fill, so just insert
+                # the token in our strucutre, and then see if it overlaps
+                # something else that has to go
+                self.tokens[y].insert(insertion_index, lt)
+                line_index = insertion_index + 1
+                insertion_index = None
+                for i in range(line_index, len(self.tokens[y])):
+                    if self.tokens[y][i].start < None: #GJIE
+                        pass #GGGJGEI
+                insertion_index = None
+                
+        
+
+        if y2 > 0:
+            for i in range(y1, y2):
+                self.tokens
diff --git a/lex2.py b/lex2.py
index f08a597..8641e63 100755
--- a/lex2.py
+++ b/lex2.py
@@ -12,6 +12,11 @@ class Token(object):
         self.vargs = vargs
     def add_to_string(self, s):
         self.string += s
+    def __eq__(self, other):
+        return (self.y == other.y and
+                self.x == other.x and
+                self.string == other.string and
+                self.vargs == other.vargs)
     def __repr__(self):
         if len(self.string) < 10:
             s = self.string
@@ -373,6 +378,7 @@ class Lexer:
                     self.add_token(null_t)
                 null_t.add_to_string(line[self.x])
                 self.x += 1
+            null_t = None
             self.y += 1
             self.x = 0
 
diff --git a/test2.py b/test2.py
index 394cbee..154bbb0 100644
--- a/test2.py
+++ b/test2.py
@@ -1,3 +1,4 @@
+#!/usr/bin/python
 import sys
 import lex2, lex2_perl
 
@@ -15,4 +16,6 @@ for path in paths:
     lexer.lex(lines)
     print path
     for token in lexer:
-        print '%-28s| %r' % (token.name, token.string)
+        print '%-30s| %-6s | %r' % (token.name,
+                                    '(%d,%d)' % (token.x, token.y),
+                                    token.string)
diff --git a/test3.py b/test3.py
index 6e1417b..fc290f8 100644
--- a/test3.py
+++ b/test3.py
@@ -1,3 +1,4 @@
+#!/usr/bin/python
 import sys
 import lex2, lex2_perl, lex2_python, highlight2
 
@@ -112,6 +113,10 @@ token_colors = {
         'string.format':  'yellow',
         'string.end':     'lgreen',
 
+        'integer':   'lred',
+        'float':     'lred',
+        'imaginary': 'lred',
+
         'tq_string.start': 'lgreen',
         'tq_string.null':  'lgreen',
         'tq_string.end':   'lgreen',
@@ -152,11 +157,12 @@ for path in paths:
     lexer = lex2.Lexer('lexer', grammars[t]())
 
     if m:
-        highlighter = highlight2.Highlighter(lexer)
-    
-        highlighter.highlight(lines)
-        highlighter.display(token_colors[t])
+        h = highlight2.Highlighter(lexer)
+        h.highlight(lines)
+        h.display(token_colors[t])
     else:
         lexer.lex(lines)
         for token in lexer:
-            print '%-28s| %r' % (token.name, token.string)
+            print '%-30s| %-6s | %r' % (token.name,
+                                        '(%d,%d)' % (token.x, token.y),
+                                        token.string)