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Merge branch 'tr/diff-words-test'

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* tr/diff-words-test:
  t4034 (diff --word-diff): add a minimum Perl drier test vector
  t4034 (diff --word-diff): style suggestions
  userdiff: simplify word-diff safeguard
  t4034: bulk verify builtin word regex sanity
This commit is contained in:
Junio C Hamano 2011-02-09 16:41:17 -08:00
parent fc180d98a2 5269edf170
commit 1bb4abeff7
41 changed files with 942 additions and 264 deletions
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456
t/t4034-diff-words.sh
View file

@ -4,331 +4,307 @@ test_description='word diff colors'
. ./test-lib.sh
test_expect_success setup '
cat >pre.simple <<-\EOF
h(4)
git config diff.color.old red &&
git config diff.color.new green &&
git config diff.color.func magenta
a = b + c
EOF
cat >post.simple <<-\EOF
h(4),hh[44]
'
a = b + c
aa = a
aeff = aeff * ( aaa )
EOF
cat >expect.letter-runs-are-words <<-\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>hh<RESET>[44]
a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa<RESET> )
EOF
cat >expect.non-whitespace-is-word <<-\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4)<GREEN>,hh[44]<RESET>
a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa )<RESET>
EOF
word_diff () {
test_must_fail git diff --no-index "$@" pre post > output &&
test_must_fail git diff --no-index "$@" pre post >output &&
test_decode_color <output >output.decrypted &&
test_cmp expect output.decrypted
}
cat > pre <<\EOF
h(4)
test_language_driver () {
lang=$1
test_expect_success "diff driver '$lang'" '
cp "$TEST_DIRECTORY/t4034/'"$lang"'/pre" \
"$TEST_DIRECTORY/t4034/'"$lang"'/post" \
"$TEST_DIRECTORY/t4034/'"$lang"'/expect" . &&
echo "* diff='"$lang"'" >.gitattributes &&
word_diff --color-words
'
}
a = b + c
EOF
test_expect_success setup '
git config diff.color.old red &&
git config diff.color.new green &&
git config diff.color.func magenta
'
cat > post <<\EOF
h(4),hh[44]
a = b + c
aa = a
aeff = aeff * ( aaa )
EOF
cat > expect <<\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa )<RESET>
EOF
test_expect_success 'set up pre and post with runs of whitespace' '
cp pre.simple pre &&
cp post.simple post
'
test_expect_success 'word diff with runs of whitespace' '
cat >expect <<-\EOF &&
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
word_diff --color-words
a = b + c<RESET>
'
test_expect_success '--word-diff=color' '
word_diff --word-diff=color
'
test_expect_success '--color --word-diff=color' '
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa )<RESET>
EOF
word_diff --color-words &&
word_diff --word-diff=color &&
word_diff --color --word-diff=color
'
sed 's/#.*$//' > expect <<EOF
diff --git a/pre b/post
index 330b04f..5ed8eff 100644
--- a/pre
+++ b/post
@@ -1,3 +1,7 @@
-h(4)
+h(4),hh[44]
~
# significant space
~
a = b + c
~
~
+aa = a
~
~
+aeff = aeff * ( aaa )
~
EOF
test_expect_success '--word-diff=porcelain' '
sed 's/#.*$//' >expect <<-\EOF &&
diff --git a/pre b/post
index 330b04f..5ed8eff 100644
--- a/pre
+++ b/post
@@ -1,3 +1,7 @@
-h(4)
+h(4),hh[44]
~
# significant space
~
a = b + c
~
~
+aa = a
~
~
+aeff = aeff * ( aaa )
~
EOF
word_diff --word-diff=porcelain
'
cat > expect <<EOF
diff --git a/pre b/post
index 330b04f..5ed8eff 100644
--- a/pre
+++ b/post
@@ -1,3 +1,7 @@
[-h(4)-]{+h(4),hh[44]+}
a = b + c
{+aa = a+}
{+aeff = aeff * ( aaa )+}
EOF
test_expect_success '--word-diff=plain' '
cat >expect <<-\EOF &&
diff --git a/pre b/post
index 330b04f..5ed8eff 100644
--- a/pre
+++ b/post
@@ -1,3 +1,7 @@
[-h(4)-]{+h(4),hh[44]+}
word_diff --word-diff=plain
a = b + c
'
test_expect_success '--word-diff=plain --no-color' '
{+aa = a+}
{+aeff = aeff * ( aaa )+}
EOF
word_diff --word-diff=plain &&
word_diff --word-diff=plain --no-color
'
cat > expect <<EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
<RED>[-h(4)-]<RESET><GREEN>{+h(4),hh[44]+}<RESET>
a = b + c<RESET>
<GREEN>{+aa = a+}<RESET>
<GREEN>{+aeff = aeff * ( aaa )+}<RESET>
EOF
test_expect_success '--word-diff=plain --color' '
cat >expect <<-\EOF &&
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
<RED>[-h(4)-]<RESET><GREEN>{+h(4),hh[44]+}<RESET>
a = b + c<RESET>
<GREEN>{+aa = a+}<RESET>
<GREEN>{+aeff = aeff * ( aaa )+}<RESET>
EOF
word_diff --word-diff=plain --color
'
cat > expect <<\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
<CYAN>@@ -3,0 +4,4 @@<RESET> <RESET><MAGENTA>a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa )<RESET>
EOF
test_expect_success 'word diff without context' '
cat >expect <<-\EOF &&
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
<CYAN>@@ -3,0 +4,4 @@<RESET> <RESET><MAGENTA>a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa )<RESET>
EOF
word_diff --color-words --unified=0
'
cat > expect <<\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>hh<RESET>[44]
a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa<RESET> )
EOF
cp expect expect.letter-runs-are-words
test_expect_success 'word diff with a regular expression' '
cp expect.letter-runs-are-words expect &&
word_diff --color-words="[a-z]+"
'
test_expect_success 'set a diff driver' '
test_expect_success 'set up a diff driver' '
git config diff.testdriver.wordRegex "[^[:space:]]" &&
cat <<EOF > .gitattributes
pre diff=testdriver
post diff=testdriver
EOF
cat <<-\EOF >.gitattributes
pre diff=testdriver
post diff=testdriver
EOF
'
test_expect_success 'option overrides .gitattributes' '
cp expect.letter-runs-are-words expect &&
word_diff --color-words="[a-z]+"
'
cat > expect <<\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4)<GREEN>,hh[44]<RESET>
a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa )<RESET>
EOF
cp expect expect.non-whitespace-is-word
test_expect_success 'use regex supplied by driver' '
cp expect.non-whitespace-is-word expect &&
word_diff --color-words
'
test_expect_success 'set diff.wordRegex option' '
test_expect_success 'set up diff.wordRegex option' '
git config diff.wordRegex "[[:alnum:]]+"
'
cp expect.letter-runs-are-words expect
test_expect_success 'command-line overrides config' '
cp expect.letter-runs-are-words expect &&
word_diff --color-words="[a-z]+"
'
cat > expect <<\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>{+hh+}<RESET>[44]
a = b + c<RESET>
<GREEN>{+aa = a+}<RESET>
<GREEN>{+aeff = aeff * ( aaa+}<RESET> )
EOF
test_expect_success 'command-line overrides config: --word-diff-regex' '
cat >expect <<-\EOF &&
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>{+hh+}<RESET>[44]
a = b + c<RESET>
<GREEN>{+aa = a+}<RESET>
<GREEN>{+aeff = aeff * ( aaa+}<RESET> )
EOF
word_diff --color --word-diff-regex="[a-z]+"
'
cp expect.non-whitespace-is-word expect
test_expect_success '.gitattributes override config' '
cp expect.non-whitespace-is-word expect &&
word_diff --color-words
'
test_expect_success 'remove diff driver regex' '
git config --unset diff.testdriver.wordRegex
test_expect_success 'setup: remove diff driver regex' '
test_might_fail git config --unset diff.testdriver.wordRegex
'
cat > expect <<\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>hh[44<RESET>]
a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa<RESET> )
EOF
test_expect_success 'use configured regex' '
cat >expect <<-\EOF &&
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 330b04f..5ed8eff 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>hh[44<RESET>]
a = b + c<RESET>
<GREEN>aa = a<RESET>
<GREEN>aeff = aeff * ( aaa<RESET> )
EOF
word_diff --color-words
'
echo 'aaa (aaa)' > pre
echo 'aaa (aaa) aaa' > post
cat > expect <<\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index c29453b..be22f37 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
aaa (aaa) <GREEN>aaa<RESET>
EOF
test_expect_success 'test parsing words for newline' '
echo "aaa (aaa)" >pre &&
echo "aaa (aaa) aaa" >post &&
cat >expect <<-\EOF &&
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index c29453b..be22f37 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
aaa (aaa) <GREEN>aaa<RESET>
EOF
word_diff --color-words="a+"
'
echo '(:' > pre
echo '(' > post
cat > expect <<\EOF
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 289cb9d..2d06f37 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
(<RED>:<RESET>
EOF
test_expect_success 'test when words are only removed at the end' '
echo "(:" >pre &&
echo "(" >post &&
cat >expect <<-\EOF &&
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 289cb9d..2d06f37 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
(<RED>:<RESET>
EOF
word_diff --color-words=.
'
cat > expect <<\EOF
diff --git a/pre b/post
index 289cb9d..2d06f37 100644
--- a/pre
+++ b/post
@@ -1 +1 @@
-(:
+(
EOF
test_expect_success '--word-diff=none' '
echo "(:" >pre &&
echo "(" >post &&
cat >expect <<-\EOF &&
diff --git a/pre b/post
index 289cb9d..2d06f37 100644
--- a/pre
+++ b/post
@@ -1 +1 @@
-(:
+(
EOF
word_diff --word-diff=plain --word-diff=none
'
test_language_driver bibtex
test_language_driver cpp
test_language_driver csharp
test_language_driver fortran
test_language_driver html
test_language_driver java
test_language_driver objc
test_language_driver pascal
test_language_driver perl
test_language_driver php
test_language_driver python
test_language_driver ruby
test_language_driver tex
test_done

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@ -0,0 +1,15 @@
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 95cd55b..ddcba9b 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,9 +1,10 @@<RESET>
@article{aldous1987uie,<RESET>
title={{Ultimate instability of exponential back-off protocol for acknowledgment-based transmission control of random access communication channels}},<RESET>
author={Aldous, <RED>D.<RESET><GREEN>David<RESET>},
journal={Information Theory, IEEE Transactions on},<RESET>
volume={<RED>33<RESET><GREEN>Bogus.<RESET>},
number={<RED>2<RESET><GREEN>4<RESET>},
pages={219--223},<RESET>
year=<GREEN>1987,<RESET>
<GREEN> note={This is in fact a rather funny read since ethernet works well in practice. The<RESET> {<RED>1987<RESET><GREEN>\em pre} reference is the right one, however.<RESET>}<RED>,<RESET>
}<RESET>

10
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@ -0,0 +1,10 @@
@article{aldous1987uie,
title={{Ultimate instability of exponential back-off protocol for acknowledgment-based transmission control of random access communication channels}},
author={Aldous, David},
journal={Information Theory, IEEE Transactions on},
volume={Bogus.},
number={4},
pages={219--223},
year=1987,
note={This is in fact a rather funny read since ethernet works well in practice. The {\em pre} reference is the right one, however.}
}

9
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@ -0,0 +1,9 @@
@article{aldous1987uie,
title={{Ultimate instability of exponential back-off protocol for acknowledgment-based transmission control of random access communication channels}},
author={Aldous, D.},
journal={Information Theory, IEEE Transactions on},
volume={33},
number={2},
pages={219--223},
year={1987},
}

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@ -0,0 +1,36 @@
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 23d5c8a..7e8c026 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,19 +1,19 @@<RESET>
Foo() : x(0<RED>&&1<RESET><GREEN>&42<RESET>) { <GREEN>bar(x);<RESET> }
cout<<"Hello World<RED>!<RESET><GREEN>?<RESET>\n"<<endl;
<GREEN>(<RESET>1<GREEN>) (<RESET>-1e10<GREEN>) (<RESET>0xabcdef<GREEN>)<RESET> '<RED>x<RESET><GREEN>y<RESET>'
[<RED>a<RESET><GREEN>x<RESET>] <RED>a<RESET><GREEN>x<RESET>-><RED>b a<RESET><GREEN>y x<RESET>.<RED>b<RESET><GREEN>y<RESET>
!<RED>a<RESET><GREEN>x<RESET> ~<RED>a a<RESET><GREEN>x x<RESET>++ <RED>a<RESET><GREEN>x<RESET>-- <RED>a<RESET><GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>/<RED>b a<RESET><GREEN>y x<RESET>%<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>+<RED>b a<RESET><GREEN>y x<RESET>-<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<<RED>b a<RESET><GREEN>y x<RESET>>><RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<RED>b a<RESET><GREEN>y x<RESET><=<RED>b a<RESET><GREEN>y x<RESET>><RED>b a<RESET><GREEN>y x<RESET>>=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>==<RED>b a<RESET><GREEN>y x<RESET>!=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>^<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>|<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>||<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>?<RED>b<RESET><GREEN>y<RESET>:z
<RED>a<RESET><GREEN>x<RESET>=<RED>b a<RESET><GREEN>y x<RESET>+=<RED>b a<RESET><GREEN>y x<RESET>-=<RED>b a<RESET><GREEN>y x<RESET>*=<RED>b a<RESET><GREEN>y x<RESET>/=<RED>b a<RESET><GREEN>y x<RESET>%=<RED>b a<RESET><GREEN>y x<RESET><<=<RED>b a<RESET><GREEN>y x<RESET>>>=<RED>b a<RESET><GREEN>y x<RESET>&=<RED>b a<RESET><GREEN>y x<RESET>^=<RED>b a<RESET><GREEN>y x<RESET>|=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>,y
<RED>a<RESET><GREEN>x<RESET>::<RED>b<RESET><GREEN>y<RESET>

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@ -0,0 +1,19 @@
Foo() : x(0&42) { bar(x); }
cout<<"Hello World?\n"<<endl;
(1) (-1e10) (0xabcdef) 'y'
[x] x->y x.y
!x ~x x++ x-- x*y x&y
x*y x/y x%y
x+y x-y
x<<y x>>y
x<y x<=y x>y x>=y
x==y x!=y
x&y
x^y
x|y
x&&y
x||y
x?y:z
x=y x+=y x-=y x*=y x/=y x%=y x<<=y x>>=y x&=y x^=y x|=y
x,y
x::y

19
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@ -0,0 +1,19 @@
Foo():x(0&&1){}
cout<<"Hello World!\n"<<endl;
1 -1e10 0xabcdef 'x'
[a] a->b a.b
!a ~a a++ a-- a*b a&b
a*b a/b a%b
a+b a-b
a<<b a>>b
a<b a<=b a>b a>=b
a==b a!=b
a&b
a^b
a|b
a&&b
a||b
a?b:z
a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
a,y
a::b

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@ -0,0 +1,35 @@
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 9106d63..dd5f421 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,18 +1,18 @@<RESET>
Foo() : x(0<RED>&&1<RESET><GREEN>&42<RESET>) { <GREEN>bar(x);<RESET> }
cout<<"Hello World<RED>!<RESET><GREEN>?<RESET>\n"<<endl;
<GREEN>(<RESET>1<GREEN>) (<RESET>-1e10<GREEN>) (<RESET>0xabcdef<GREEN>)<RESET> '<RED>x<RESET><GREEN>y<RESET>'
[<RED>a<RESET><GREEN>x<RESET>] <RED>a<RESET><GREEN>x<RESET>-><RED>b a<RESET><GREEN>y x<RESET>.<RED>b<RESET><GREEN>y<RESET>
!<RED>a<RESET><GREEN>x<RESET> ~<RED>a a<RESET><GREEN>x x<RESET>++ <RED>a<RESET><GREEN>x<RESET>-- <RED>a<RESET><GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>/<RED>b a<RESET><GREEN>y x<RESET>%<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>+<RED>b a<RESET><GREEN>y x<RESET>-<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<<RED>b a<RESET><GREEN>y x<RESET>>><RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<RED>b a<RESET><GREEN>y x<RESET><=<RED>b a<RESET><GREEN>y x<RESET>><RED>b a<RESET><GREEN>y x<RESET>>=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>==<RED>b a<RESET><GREEN>y x<RESET>!=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>^<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>|<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>||<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>?<RED>b<RESET><GREEN>y<RESET>:z
<RED>a<RESET><GREEN>x<RESET>=<RED>b a<RESET><GREEN>y x<RESET>+=<RED>b a<RESET><GREEN>y x<RESET>-=<RED>b a<RESET><GREEN>y x<RESET>*=<RED>b a<RESET><GREEN>y x<RESET>/=<RED>b a<RESET><GREEN>y x<RESET>%=<RED>b a<RESET><GREEN>y x<RESET><<=<RED>b a<RESET><GREEN>y x<RESET>>>=<RED>b a<RESET><GREEN>y x<RESET>&=<RED>b a<RESET><GREEN>y x<RESET>^=<RED>b a<RESET><GREEN>y x<RESET>|=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>,y

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Foo() : x(0&42) { bar(x); }
cout<<"Hello World?\n"<<endl;
(1) (-1e10) (0xabcdef) 'y'
[x] x->y x.y
!x ~x x++ x-- x*y x&y
x*y x/y x%y
x+y x-y
x<<y x>>y
x<y x<=y x>y x>=y
x==y x!=y
x&y
x^y
x|y
x&&y
x||y
x?y:z
x=y x+=y x-=y x*=y x/=y x%=y x<<=y x>>=y x&=y x^=y x|=y
x,y

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Foo():x(0&&1){}
cout<<"Hello World!\n"<<endl;
1 -1e10 0xabcdef 'x'
[a] a->b a.b
!a ~a a++ a-- a*b a&b
a*b a/b a%b
a+b a-b
a<<b a>>b
a<b a<=b a>b a>=b
a==b a!=b
a&b
a^b
a|b
a&&b
a||b
a?b:z
a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
a,y

10
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<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 87f0d0b..d308da2 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,5 +1,5 @@<RESET>
print *, "Hello World<RED>!<RESET><GREEN>?<RESET>"
DO10I = 1,10<RESET>
<RED>DO10I<RESET><GREEN>DO 10 I<RESET> = 1,10
<RED>DO10I<RESET><GREEN>DO 1 0 I<RESET> = 1,10

5
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print *, "Hello World?"
DO10I = 1,10
DO 10 I = 1,10
DO 1 0 I = 1,10

5
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print *, "Hello World!"
DO10I = 1,10
DO10I = 1,10
DO10I = 1,10

8
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<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 8ca4aea..46921e5 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,3 @@<RESET>
<tag <GREEN>newattr="newvalue"<RESET>><GREEN>added<RESET> content</tag>
<tag attr=<RED>"value"<RESET><GREEN>"newvalue"<RESET>><RED>content<RESET><GREEN>changed<RESET></tag>
<<RED>tag<RESET><GREEN>newtag<RESET>>content <RED>&entity;<RESET><GREEN>&newentity;<RESET><<RED>/tag<RESET><GREEN>/newtag<RESET>>

3
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<tag newattr="newvalue">added content</tag>
<tag attr="newvalue">changed</tag>
<newtag>content &newentity;</newtag>

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<tag>content</tag>
<tag attr="value">content</tag>
<tag>content &entity;</tag>

36
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<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 23d5c8a..7e8c026 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,19 +1,19 @@<RESET>
Foo() : x(0<RED>&&1<RESET><GREEN>&42<RESET>) { <GREEN>bar(x);<RESET> }
cout<<"Hello World<RED>!<RESET><GREEN>?<RESET>\n"<<endl;
<GREEN>(<RESET>1<GREEN>) (<RESET>-1e10<GREEN>) (<RESET>0xabcdef<GREEN>)<RESET> '<RED>x<RESET><GREEN>y<RESET>'
[<RED>a<RESET><GREEN>x<RESET>] <RED>a<RESET><GREEN>x<RESET>-><RED>b a<RESET><GREEN>y x<RESET>.<RED>b<RESET><GREEN>y<RESET>
!<RED>a<RESET><GREEN>x<RESET> ~<RED>a a<RESET><GREEN>x x<RESET>++ <RED>a<RESET><GREEN>x<RESET>-- <RED>a<RESET><GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>/<RED>b a<RESET><GREEN>y x<RESET>%<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>+<RED>b a<RESET><GREEN>y x<RESET>-<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<<RED>b a<RESET><GREEN>y x<RESET>>><RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<RED>b a<RESET><GREEN>y x<RESET><=<RED>b a<RESET><GREEN>y x<RESET>><RED>b a<RESET><GREEN>y x<RESET>>=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>==<RED>b a<RESET><GREEN>y x<RESET>!=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>^<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>|<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>||<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>?<RED>b<RESET><GREEN>y<RESET>:z
<RED>a<RESET><GREEN>x<RESET>=<RED>b a<RESET><GREEN>y x<RESET>+=<RED>b a<RESET><GREEN>y x<RESET>-=<RED>b a<RESET><GREEN>y x<RESET>*=<RED>b a<RESET><GREEN>y x<RESET>/=<RED>b a<RESET><GREEN>y x<RESET>%=<RED>b a<RESET><GREEN>y x<RESET><<=<RED>b a<RESET><GREEN>y x<RESET>>>=<RED>b a<RESET><GREEN>y x<RESET>&=<RED>b a<RESET><GREEN>y x<RESET>^=<RED>b a<RESET><GREEN>y x<RESET>|=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>,y
<RED>a<RESET><GREEN>x<RESET>::<RED>b<RESET><GREEN>y<RESET>

19
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Foo() : x(0&42) { bar(x); }
cout<<"Hello World?\n"<<endl;
(1) (-1e10) (0xabcdef) 'y'
[x] x->y x.y
!x ~x x++ x-- x*y x&y
x*y x/y x%y
x+y x-y
x<<y x>>y
x<y x<=y x>y x>=y
x==y x!=y
x&y
x^y
x|y
x&&y
x||y
x?y:z
x=y x+=y x-=y x*=y x/=y x%=y x<<=y x>>=y x&=y x^=y x|=y
x,y
x::y

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Foo():x(0&&1){}
cout<<"Hello World!\n"<<endl;
1 -1e10 0xabcdef 'x'
[a] a->b a.b
!a ~a a++ a-- a*b a&b
a*b a/b a%b
a+b a-b
a<<b a>>b
a<b a<=b a>b a>=b
a==b a!=b
a&b
a^b
a|b
a&&b
a||b
a?b:z
a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
a,y
a::b

35
t/t4034/objc/expect Normal file
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<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 9106d63..dd5f421 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,18 +1,18 @@<RESET>
Foo() : x(0<RED>&&1<RESET><GREEN>&42<RESET>) { <GREEN>bar(x);<RESET> }
cout<<"Hello World<RED>!<RESET><GREEN>?<RESET>\n"<<endl;
<GREEN>(<RESET>1<GREEN>) (<RESET>-1e10<GREEN>) (<RESET>0xabcdef<GREEN>)<RESET> '<RED>x<RESET><GREEN>y<RESET>'
[<RED>a<RESET><GREEN>x<RESET>] <RED>a<RESET><GREEN>x<RESET>-><RED>b a<RESET><GREEN>y x<RESET>.<RED>b<RESET><GREEN>y<RESET>
!<RED>a<RESET><GREEN>x<RESET> ~<RED>a a<RESET><GREEN>x x<RESET>++ <RED>a<RESET><GREEN>x<RESET>-- <RED>a<RESET><GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>/<RED>b a<RESET><GREEN>y x<RESET>%<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>+<RED>b a<RESET><GREEN>y x<RESET>-<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<<RED>b a<RESET><GREEN>y x<RESET>>><RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<RED>b a<RESET><GREEN>y x<RESET><=<RED>b a<RESET><GREEN>y x<RESET>><RED>b a<RESET><GREEN>y x<RESET>>=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>==<RED>b a<RESET><GREEN>y x<RESET>!=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>^<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>|<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>||<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>?<RED>b<RESET><GREEN>y<RESET>:z
<RED>a<RESET><GREEN>x<RESET>=<RED>b a<RESET><GREEN>y x<RESET>+=<RED>b a<RESET><GREEN>y x<RESET>-=<RED>b a<RESET><GREEN>y x<RESET>*=<RED>b a<RESET><GREEN>y x<RESET>/=<RED>b a<RESET><GREEN>y x<RESET>%=<RED>b a<RESET><GREEN>y x<RESET><<=<RED>b a<RESET><GREEN>y x<RESET>>>=<RED>b a<RESET><GREEN>y x<RESET>&=<RED>b a<RESET><GREEN>y x<RESET>^=<RED>b a<RESET><GREEN>y x<RESET>|=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>,y

18
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Foo() : x(0&42) { bar(x); }
cout<<"Hello World?\n"<<endl;
(1) (-1e10) (0xabcdef) 'y'
[x] x->y x.y
!x ~x x++ x-- x*y x&y
x*y x/y x%y
x+y x-y
x<<y x>>y
x<y x<=y x>y x>=y
x==y x!=y
x&y
x^y
x|y
x&&y
x||y
x?y:z
x=y x+=y x-=y x*=y x/=y x%=y x<<=y x>>=y x&=y x^=y x|=y
x,y

18
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Foo():x(0&&1){}
cout<<"Hello World!\n"<<endl;
1 -1e10 0xabcdef 'x'
[a] a->b a.b
!a ~a a++ a-- a*b a&b
a*b a/b a%b
a+b a-b
a<<b a>>b
a<b a<=b a>b a>=b
a==b a!=b
a&b
a^b
a|b
a&&b
a||b
a?b:z
a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
a,y

35
t/t4034/pascal/expect Normal file
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<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 077046c..8865e6b 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,18 +1,18 @@<RESET>
writeln("Hello World<RED>!<RESET><GREEN>?<RESET>");
<GREEN>(<RESET>1<GREEN>) (<RESET>-1e10<GREEN>) (<RESET>0xabcdef<GREEN>)<RESET> '<RED>x<RESET><GREEN>y<RESET>'
[<RED>a<RESET><GREEN>x<RESET>] <RED>a<RESET><GREEN>x<RESET>-><RED>b a<RESET><GREEN>y x<RESET>.<RED>b<RESET><GREEN>y<RESET>
!<RED>a<RESET><GREEN>x<RESET> ~<RED>a a<RESET><GREEN>x x<RESET>++ <RED>a<RESET><GREEN>x<RESET>-- <RED>a<RESET><GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>/<RED>b a<RESET><GREEN>y x<RESET>%<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>+<RED>b a<RESET><GREEN>y x<RESET>-<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<<RED>b a<RESET><GREEN>y x<RESET>>><RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<RED>b a<RESET><GREEN>y x<RESET><=<RED>b a<RESET><GREEN>y x<RESET>><RED>b a<RESET><GREEN>y x<RESET>>=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>==<RED>b a<RESET><GREEN>y x<RESET>!=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>^<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>|<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>||<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>?<RED>b<RESET><GREEN>y<RESET>:z
<RED>a<RESET><GREEN>x<RESET>=<RED>b a<RESET><GREEN>y x<RESET>+=<RED>b a<RESET><GREEN>y x<RESET>-=<RED>b a<RESET><GREEN>y x<RESET>*=<RED>b a<RESET><GREEN>y x<RESET>/=<RED>b a<RESET><GREEN>y x<RESET>%=<RED>b a<RESET><GREEN>y x<RESET><<=<RED>b a<RESET><GREEN>y x<RESET>>>=<RED>b a<RESET><GREEN>y x<RESET>&=<RED>b a<RESET><GREEN>y x<RESET>^=<RED>b a<RESET><GREEN>y x<RESET>|=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>,y
<RED>a<RESET><GREEN>x<RESET>::<RED>b<RESET><GREEN>y<RESET>

18
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writeln("Hello World?");
(1) (-1e10) (0xabcdef) 'y'
[x] x->y x.y
!x ~x x++ x-- x*y x&y
x*y x/y x%y
x+y x-y
x<<y x>>y
x<y x<=y x>y x>=y
x==y x!=y
x&y
x^y
x|y
x&&y
x||y
x?y:z
x=y x+=y x-=y x*=y x/=y x%=y x<<=y x>>=y x&=y x^=y x|=y
x,y
x::y

18
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writeln("Hello World!");
1 -1e10 0xabcdef 'x'
[a] a->b a.b
!a ~a a++ a-- a*b a&b
a*b a/b a%b
a+b a-b
a<<b a>>b
a<b a<=b a>b a>=b
a==b a!=b
a&b
a^b
a|b
a&&b
a||b
a?b:z
a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
a,y
a::b

13
t/t4034/perl/expect Normal file
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<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index f6610d3..e8b72ef 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -4,8 +4,8 @@<RESET>
package Frotz;<RESET>
sub new {<RESET>
my <GREEN>(<RESET>$class<GREEN>, %opts)<RESET> = <RED>shift<RESET><GREEN>@_<RESET>;
return bless { <GREEN>xyzzy => "nitfol", %opts<RESET> }, $class;
}<RESET>
__END__<RESET>

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#!/usr/bin/perl
use strict;
package Frotz;
sub new {
my ($class, %opts) = @_;
return bless { xyzzy => "nitfol", %opts }, $class;
}
__END__
=head1 NAME
frotz - Frotz
=head1 SYNOPSIS
use frotz;
$nitfol = new Frotz();
=cut

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#!/usr/bin/perl
use strict;
package Frotz;
sub new {
my $class = shift;
return bless {}, $class;
}
__END__
=head1 NAME
frotz - Frotz
=head1 SYNOPSIS
use frotz;
$nitfol = new Frotz();
=cut

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<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index cf6e06b..4420a49 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,18 +1,18 @@<RESET>
<GREEN>(<RESET>$var<GREEN>)<RESET> $ var
<?="Hello World<RED>!<RESET><GREEN>?<RESET>"?>
<GREEN>(<RESET>1<GREEN>) (<RESET>-1e10<GREEN>) (<RESET>0xabcdef<GREEN>)<RESET> '<RED>x<RESET><GREEN>y<RESET>'
[<RED>a<RESET><GREEN>x<RESET>] <RED>a<RESET><GREEN>x<RESET>-><RED>b a<RESET><GREEN>y x<RESET>.<RED>b<RESET><GREEN>y<RESET>
!<RED>a<RESET><GREEN>x<RESET> ~<RED>a a<RESET><GREEN>x x<RESET>++ <RED>a<RESET><GREEN>x<RESET>-- <RED>a<RESET><GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>/<RED>b a<RESET><GREEN>y x<RESET>%<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>+<RED>b a<RESET><GREEN>y x<RESET>-<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<<RED>b a<RESET><GREEN>y x<RESET>>><RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<RED>b a<RESET><GREEN>y x<RESET><=<RED>b a<RESET><GREEN>y x<RESET>><RED>b a<RESET><GREEN>y x<RESET>>=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>==<RED>b a<RESET><GREEN>y x<RESET>!=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>^<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>|<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>||<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>?<RED>b<RESET><GREEN>y<RESET>:z
<RED>a<RESET><GREEN>x<RESET>=<RED>b a<RESET><GREEN>y x<RESET>+=<RED>b a<RESET><GREEN>y x<RESET>-=<RED>b a<RESET><GREEN>y x<RESET>*=<RED>b a<RESET><GREEN>y x<RESET>/=<RED>b a<RESET><GREEN>y x<RESET>%=<RED>b a<RESET><GREEN>y x<RESET><<=<RED>b a<RESET><GREEN>y x<RESET>>>=<RED>b a<RESET><GREEN>y x<RESET>&=<RED>b a<RESET><GREEN>y x<RESET>^=<RED>b a<RESET><GREEN>y x<RESET>|=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>,y

18
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($var) $ var
<?="Hello World?"?>
(1) (-1e10) (0xabcdef) 'y'
[x] x->y x.y
!x ~x x++ x-- x*y x&y
x*y x/y x%y
x+y x-y
x<<y x>>y
x<y x<=y x>y x>=y
x==y x!=y
x&y
x^y
x|y
x&&y
x||y
x?y:z
x=y x+=y x-=y x*=y x/=y x%=y x<<=y x>>=y x&=y x^=y x|=y
x,y

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@ -0,0 +1,18 @@
$var $var
<?= "Hello World!" ?>
1 -1e10 0xabcdef 'x'
[a] a->b a.b
!a ~a a++ a-- a*b a&b
a*b a/b a%b
a+b a-b
a<<b a>>b
a<b a<=b a>b a>=b
a==b a!=b
a&b
a^b
a|b
a&&b
a||b
a?b:z
a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
a,y

34
t/t4034/python/expect Normal file
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@ -0,0 +1,34 @@
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 438f776..68baf34 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,17 +1,17 @@<RESET>
print<RED>u<RESET> "Hello World<RED>!<RESET><GREEN>?<RESET>\n"<GREEN>; print<RESET>
<GREEN>(<RESET>1<GREEN>) (<RESET>-1e10<GREEN>) (<RESET>0xabcdef<GREEN>) u<RESET>'<RED>x<RESET><GREEN>y<RESET>'
[<RED>a<RESET><GREEN>x<RESET>] <RED>a<RESET><GREEN>x<RESET>-><RED>b a<RESET><GREEN>y x<RESET>.<RED>b<RESET><GREEN>y<RESET>
!<RED>a<RESET><GREEN>x<RESET> ~<RED>a a<RESET><GREEN>x x<RESET>++ <RED>a<RESET><GREEN>x<RESET>-- <RED>a<RESET><GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>/<RED>b a<RESET><GREEN>y x<RESET>%<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>+<RED>b a<RESET><GREEN>y x<RESET>-<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<<RED>b a<RESET><GREEN>y x<RESET>>><RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<RED>b a<RESET><GREEN>y x<RESET><=<RED>b a<RESET><GREEN>y x<RESET>><RED>b a<RESET><GREEN>y x<RESET>>=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>==<RED>b a<RESET><GREEN>y x<RESET>!=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>^<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>|<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>||<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>?<RED>b<RESET><GREEN>y<RESET>:z
<RED>a<RESET><GREEN>x<RESET>=<RED>b a<RESET><GREEN>y x<RESET>+=<RED>b a<RESET><GREEN>y x<RESET>-=<RED>b a<RESET><GREEN>y x<RESET>*=<RED>b a<RESET><GREEN>y x<RESET>/=<RED>b a<RESET><GREEN>y x<RESET>%=<RED>b a<RESET><GREEN>y x<RESET><<=<RED>b a<RESET><GREEN>y x<RESET>>>=<RED>b a<RESET><GREEN>y x<RESET>&=<RED>b a<RESET><GREEN>y x<RESET>^=<RED>b a<RESET><GREEN>y x<RESET>|=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>,y

17
t/t4034/python/post Normal file
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@ -0,0 +1,17 @@
print "Hello World?\n"; print
(1) (-1e10) (0xabcdef) u'y'
[x] x->y x.y
!x ~x x++ x-- x*y x&y
x*y x/y x%y
x+y x-y
x<<y x>>y
x<y x<=y x>y x>=y
x==y x!=y
x&y
x^y
x|y
x&&y
x||y
x?y:z
x=y x+=y x-=y x*=y x/=y x%=y x<<=y x>>=y x&=y x^=y x|=y
x,y

17
t/t4034/python/pre Normal file
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@ -0,0 +1,17 @@
print u"Hello World!\n"
1 -1e10 0xabcdef 'x'
[a] a->b a.b
!a ~a a++ a-- a*b a&b
a*b a/b a%b
a+b a-b
a<<b a>>b
a<b a<=b a>b a>=b
a==b a!=b
a&b
a^b
a|b
a&&b
a||b
a?b:z
a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
a,y

34
t/t4034/ruby/expect Normal file
View file

@ -0,0 +1,34 @@
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 30ed9a1..7678f14 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,17 +1,17 @@<RESET>
10.downto(1) {|<RED>x<RESET><GREEN>y<RESET>| puts <RED>x<RESET><GREEN>y<RESET>}
<GREEN>(<RESET>1<GREEN>) (<RESET>-1e10<GREEN>) (<RESET>0xabcdef<GREEN>)<RESET> '<RED>x<RESET><GREEN>y<RESET>'
[<RED>a<RESET><GREEN>x<RESET>] <RED>a<RESET><GREEN>x<RESET>-><RED>b a<RESET><GREEN>y x<RESET>.<RED>b<RESET><GREEN>y<RESET>
!<RED>a<RESET><GREEN>x<RESET> ~<RED>a a<RESET><GREEN>x x<RESET>++ <RED>a<RESET><GREEN>x<RESET>-- <RED>a<RESET><GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>*<RED>b a<RESET><GREEN>y x<RESET>/<RED>b a<RESET><GREEN>y x<RESET>%<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>+<RED>b a<RESET><GREEN>y x<RESET>-<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<<RED>b a<RESET><GREEN>y x<RESET>>><RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET><<RED>b a<RESET><GREEN>y x<RESET><=<RED>b a<RESET><GREEN>y x<RESET>><RED>b a<RESET><GREEN>y x<RESET>>=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>==<RED>b a<RESET><GREEN>y x<RESET>!=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>^<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>|<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>&&<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>||<RED>b<RESET>
<RED>a?b<RESET><GREEN>y<RESET>
<GREEN>x?y<RESET>:z
<RED>a<RESET><GREEN>x<RESET>=<RED>b a<RESET><GREEN>y x<RESET>+=<RED>b a<RESET><GREEN>y x<RESET>-=<RED>b a<RESET><GREEN>y x<RESET>*=<RED>b a<RESET><GREEN>y x<RESET>/=<RED>b a<RESET><GREEN>y x<RESET>%=<RED>b a<RESET><GREEN>y x<RESET><<=<RED>b a<RESET><GREEN>y x<RESET>>>=<RED>b a<RESET><GREEN>y x<RESET>&=<RED>b a<RESET><GREEN>y x<RESET>^=<RED>b a<RESET><GREEN>y x<RESET>|=<RED>b<RESET>
<RED>a<RESET><GREEN>y<RESET>
<GREEN>x<RESET>,y

17
t/t4034/ruby/post Normal file
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@ -0,0 +1,17 @@
10.downto(1) {|y| puts y}
(1) (-1e10) (0xabcdef) 'y'
[x] x->y x.y
!x ~x x++ x-- x*y x&y
x*y x/y x%y
x+y x-y
x<<y x>>y
x<y x<=y x>y x>=y
x==y x!=y
x&y
x^y
x|y
x&&y
x||y
x?y:z
x=y x+=y x-=y x*=y x/=y x%=y x<<=y x>>=y x&=y x^=y x|=y
x,y

17
t/t4034/ruby/pre Normal file
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@ -0,0 +1,17 @@
10.downto(1) {|x| puts x}
1 -1e10 0xabcdef 'x'
[a] a->b a.b
!a ~a a++ a-- a*b a&b
a*b a/b a%b
a+b a-b
a<<b a>>b
a<b a<=b a>b a>=b
a==b a!=b
a&b
a^b
a|b
a&&b
a||b
a?b:z
a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
a,y

9
t/t4034/tex/expect Normal file
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@ -0,0 +1,9 @@
<BOLD>diff --git a/pre b/post<RESET>
<BOLD>index 2b2dfcb..65cab61 100644<RESET>
<BOLD>--- a/pre<RESET>
<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,4 +1,4 @@<RESET>
\section{Something <GREEN>new<RESET>}
<RED>\emph<RESET><GREEN>\textbf<RESET>{Macro style}
{<RED>\em<RESET><GREEN>\bfseries<RESET> State toggle style}
\\[<RED>1em<RESET><GREEN>1cm<RESET>]

4
t/t4034/tex/post Normal file
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@ -0,0 +1,4 @@
\section{Something new}
\textbf{Macro style}
{\bfseries State toggle style}
\\[1cm]

4
t/t4034/tex/pre Normal file
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@ -0,0 +1,4 @@
\section{Something}
\emph{Macro style}
{\em State toggle style}
\\[1em]

40
userdiff.c
View file

@ -8,9 +8,11 @@ static int ndrivers;
static int drivers_alloc;
#define PATTERNS(name, pattern, word_regex) \
{ name, NULL, -1, { pattern, REG_EXTENDED }, word_regex }
{ name, NULL, -1, { pattern, REG_EXTENDED }, \
word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" }
#define IPATTERN(name, pattern, word_regex) \
{ name, NULL, -1, { pattern, REG_EXTENDED | REG_ICASE }, word_regex }
{ name, NULL, -1, { pattern, REG_EXTENDED | REG_ICASE }, \
word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" }
static struct userdiff_driver builtin_drivers[] = {
IPATTERN("fortran",
"!^([C*]|[ \t]*!)\n"
@ -24,10 +26,9 @@ IPATTERN("fortran",
* Don't worry about format statements without leading digits since
* they would have been matched above as a variable anyway. */
"|[-+]?[0-9.]+([AaIiDdEeFfLlTtXx][Ss]?[-+]?[0-9.]*)?(_[a-zA-Z0-9][a-zA-Z0-9_]*)?"
"|//|\\*\\*|::|[/<>=]="
"|[^[:space:]]|[\x80-\xff]+"),
"|//|\\*\\*|::|[/<>=]="),
PATTERNS("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$",
"[^<>= \t]+|[^[:space:]]|[\x80-\xff]+"),
"[^<>= \t]+"),
PATTERNS("java",
"!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n"
"^[ \t]*(([A-Za-z_][A-Za-z_0-9]*[ \t]+)+[A-Za-z_][A-Za-z_0-9]*[ \t]*\\([^;]*)$",
@ -35,8 +36,7 @@ PATTERNS("java",
"[a-zA-Z_][a-zA-Z0-9_]*"
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
"|[-+*/<>%&^|=!]="
"|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|"
"|[^[:space:]]|[\x80-\xff]+"),
"|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|"),
PATTERNS("objc",
/* Negate C statements that can look like functions */
"!^[ \t]*(do|for|if|else|return|switch|while)\n"
@ -49,8 +49,7 @@ PATTERNS("objc",
/* -- */
"[a-zA-Z_][a-zA-Z0-9_]*"
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"
"|[^[:space:]]|[\x80-\xff]+"),
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
PATTERNS("pascal",
"^(((class[ \t]+)?(procedure|function)|constructor|destructor|interface|"
"implementation|initialization|finalization)[ \t]*.*)$"
@ -59,8 +58,7 @@ PATTERNS("pascal",
/* -- */
"[a-zA-Z_][a-zA-Z0-9_]*"
"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
"|<>|<=|>=|:=|\\.\\."
"|[^[:space:]]|[\x80-\xff]+"),
"|<>|<=|>=|:=|\\.\\."),
PATTERNS("perl",
"^[ \t]*package .*;\n"
"^[ \t]*sub .* \\{\n"
@ -76,33 +74,29 @@ PATTERNS("perl",
"|&&|\\|\\||//|\\+\\+|--|\\*\\*|\\.\\.\\.?"
"|[-+*/%.^&<>=!|]="
"|=~|!~"
"|<<|<>|<=>|>>"
"|[^[:space:]]"),
"|<<|<>|<=>|>>"),
PATTERNS("php",
"^[\t ]*(((public|protected|private|static)[\t ]+)*function.*)$\n"
"^[\t ]*(class.*)$",
/* -- */
"[a-zA-Z_][a-zA-Z0-9_]*"
"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
"|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->"
"|[^[:space:]]|[\x80-\xff]+"),
"|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->"),
PATTERNS("python", "^[ \t]*((class|def)[ \t].*)$",
/* -- */
"[a-zA-Z_][a-zA-Z0-9_]*"
"|[-+0-9.e]+[jJlL]?|0[xX]?[0-9a-fA-F]+[lL]?"
"|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?"
"|[^[:space:]]|[\x80-\xff]+"),
"|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?"),
/* -- */
PATTERNS("ruby", "^[ \t]*((class|module|def)[ \t].*)$",
/* -- */
"(@|@@|\\$)?[a-zA-Z_][a-zA-Z0-9_]*"
"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?."
"|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~"
"|[^[:space:]]|[\x80-\xff]+"),
"|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~"),
PATTERNS("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$",
"[={}\"]|[^={}\" \t]+"),
PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$",
"\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+|[^[:space:]]"),
"\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+"),
PATTERNS("cpp",
/* Jump targets or access declarations */
"!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:.*$\n"
@ -113,8 +107,7 @@ PATTERNS("cpp",
/* -- */
"[a-zA-Z_][a-zA-Z0-9_]*"
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"
"|[^[:space:]]|[\x80-\xff]+"),
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
PATTERNS("csharp",
/* Keywords */
"!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n"
@ -129,8 +122,7 @@ PATTERNS("csharp",
/* -- */
"[a-zA-Z_][a-zA-Z0-9_]*"
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"
"|[^[:space:]]|[\x80-\xff]+"),
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
{ "default", NULL, -1, { NULL, 0 } },
};
#undef PATTERNS