Commit: runtime(java): Improve the recognition of literals (#14120)

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Christian Brabandt

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Mar 1, 2024, 5:15:15 PM3/1/24

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runtime(java): Improve the recognition of literals (#14120)

Commit: https://github.com/vim/vim/commit/100a665634a0a2edbc755daf453c4915800684dd
Author: Aliaksei Budavei <32549825+...@users.noreply.github.com>
Date: Sat Mar 2 01:11:14 2024 +0300

runtime(java): Improve the recognition of literals (https://github.com/vim/vim/issues/14120)

* Emend the Unicode and octal escape sequence patterns;
* Accept the (repeated) underscore separators in all
numerical literals;
* Recognise hexadecimal floating-point literals.

(The space escape sequence '\s' will be introduced along
with text blocks in another PR.)

References:
https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.3
https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.10.1
https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.10.2
https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.10.7

Signed-off-by: Aliaksei Budavei <0x00...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/syntax/java.vim b/runtime/syntax/java.vim
index 1b940ebd3..aec295553 100644
--- a/runtime/syntax/java.vim
+++ b/runtime/syntax/java.vim
@@ -2,7 +2,7 @@
" Language: Java
" Maintainer: Claudio Fleiner <cla...@fleiner.com>
" URL: https://github.com/fleiner/vim/blob/master/runtime/syntax/java.vim
-" Last Change: 2024 Feb 27
+" Last Change: 2024 Mar 01

" Please check :help java.vim for comments on some of the options available.

@@ -226,20 +226,28 @@ syn match javaComment "/\*\*/"
" Strings and constants
syn match javaSpecialError contained "\."
syn match javaSpecialCharError contained "[^']"
-syn match javaSpecialChar contained "\$[4-9]\d\|[0-3]\d\d\|[\"\'ntbrf]\|u\x\{4\}$"
+" Escape Sequences (JLS-17, Â§3.10.7):
+syn match javaSpecialChar contained "\\%(u\x\x\x\x\|[0-3]\o\o\|\o\o\=\|[btnfr"'\]\)"
syn region javaString start=+"+ end=+"+ end=+$+ contains=javaSpecialChar,javaSpecialError,@Spell
-" next line disabled, it can cause a crash for a long line
+" The next line is commented out, it can cause a crash for a long line
"syn match javaStringError +"$[^"\]\|\.$*$+
syn match javaCharacter "'[^']*'" contains=javaSpecialChar,javaSpecialCharError
syn match javaCharacter "'\''" contains=javaSpecialChar
syn match javaCharacter "'[^\]'"
-syn match javaNumber "\<$0[bB][0-1]\+\|0[0-7]*\|0[xX]\x\+\|\d\(\d\|_\d$*\)[lL]\=\>"
-syn match javaNumber "$\<\d\(\d\|_\d$*\.$\d\(\d\|_\d$*\)\=\|\.\d$\d\|_\d$*\)$[eE][-+]\=\d\(\d\|_\d$*\)\=[fFdD]\="
-syn match javaNumber "\<\d$\d\|_\d$*[eE][-+]\=\d$\d\|_\d$*[fFdD]\=\>"
-syn match javaNumber "\<\d$\d\|_\d$*$[eE][-+]\=\d\(\d\|_\d$*\)\=[fFdD]\>"
-
-" unicode characters
-syn match javaSpecial "\u\d\{4\}"
+" Integer literals (JLS-17, Â§3.10.1):
+syn keyword javaNumber 0 0l 0L
+syn match javaNumber "\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)[lL]\=\>"
+" Decimal floating-point literals (JLS-17, Â§3.10.2):
+" Against "\<\d\+\>\.":
+syn match javaNumber "\<\d\%(_*\d\)*\."
+syn match javaNumber "\%(\<\d\%(_*\d\)*\.\%(\d\%(_*\d\)*\)\=\|\.\d\%(_*\d\)*\)\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\=\>"
+syn match javaNumber "\<\d\%(_*\d\)*[eE][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
+syn match javaNumber "\<\d\%(_*\d\)*\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\>"
+" Hexadecimal floating-point literals (JLS-17, Â§3.10.2):
+syn match javaNumber "\<0[xX]\%(\x\%(_*\x\)*\.\=\|\%(\x\%(_*\x\)*\)\=\.\x\%(_*\x\)*\)[pP][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
+
+" Unicode characters
+syn match javaSpecial "\u\x\x\x\x"

syn cluster javaTop add=javaString,javaCharacter,javaNumber,javaSpecial,javaStringError

@@ -265,16 +273,19 @@ endif
if exists("java_highlight_debug")

" Strings and constants
- syn match javaDebugSpecial contained "\\d\d\d\|\."
+ syn match javaDebugSpecial contained "\\%(u\x\x\x\x\|[0-3]\o\o\|\o\o\=\|[btnfr"'\]\)"
syn region javaDebugString contained start=+"+ end=+"+ contains=javaDebugSpecial
- syn match javaDebugStringError +"$[^"\]\|\.$*$+
+ syn match javaDebugStringError contained +"\%([^"\]\|\.\)*$+
syn match javaDebugCharacter contained "'[^\]'"
syn match javaDebugSpecialCharacter contained "'\.'"
syn match javaDebugSpecialCharacter contained "'\''"
- syn match javaDebugNumber contained "\<$0[0-7]*\|0[xX]\x\+\|\d\+$[lL]\=\>"
- syn match javaDebugNumber contained "$\<\d\+\.\d*\|\.\d\+$$[eE][-+]\=\d\+$\=[fFdD]\="
- syn match javaDebugNumber contained "\<\d\+[eE][-+]\=\d\+[fFdD]\=\>"
- syn match javaDebugNumber contained "\<\d\+$[eE][-+]\=\d\+$\=[fFdD]\>"
+ syn keyword javaDebugNumber contained 0 0l 0L
+ syn match javaNumber contained "\<\d\%(_*\d\)*\."
+ syn match javaDebugNumber contained "\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)[lL]\=\>"
+ syn match javaDebugNumber contained "\%(\<\d\%(_*\d\)*\.\%(\d\%(_*\d\)*\)\=\|\.\d\%(_*\d\)*\)\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\=\>"
+ syn match javaDebugNumber contained "\<\d\%(_*\d\)*[eE][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
+ syn match javaDebugNumber contained "\<\d\%(_*\d\)*\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\>"
+ syn match javaDebugNumber contained "\<0[xX]\%(\x\%(_*\x\)*\.\=\|\%(\x\%(_*\x\)*\)\=\.\x\%(_*\x\)*\)[pP][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
syn keyword javaDebugBoolean contained true false
syn keyword javaDebugType contained null this super
syn region javaDebugParen start=+(+ end=+)+ contained contains=javaDebug.*,javaDebugParen
diff --git a/runtime/syntax/testdir/dumps/java_escapes_00.dump b/runtime/syntax/testdir/dumps/java_escapes_00.dump
new file mode 100644
index 000000000..3db803d41
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_escapes_00.dump
@@ -0,0 +1,20 @@
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+@4|/+0#0000e05&@1| |s|t|a|t|i|c| |f|i|n|a|l| |S|t|r|i|n|g| |h|e|l@1|o| |=| |"|h|e|l@1|o|"|;| +0#0000000&@31
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+@8|c+0#00e0003&|h|a|r| +0#0000000&|e@1|[|]| |=| |{| @53
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+@8|}|;| @64
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+@8|S|y|s|t|e|m|.|o|u|t|.|p|r|i|n|t|l|n|(|n+0#af5f00255&|e|w| +0#0000000&|S|t|r|i|n|g|[|]| |{| @33
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diff --git a/runtime/syntax/testdir/dumps/java_escapes_01.dump b/runtime/syntax/testdir/dumps/java_escapes_01.dump
new file mode 100644
index 000000000..8d2c395ad
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_escapes_01.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@11|'+0#e000002&|\+0#e000e06&|b|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|t|'+0#e000002&|,+0#0000000&| @51
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+@8|}|;| @64
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+@8>S|y|s|t|e|m|.|o|u|t|.|p|r|i|n|t|l|n|(|n+0#af5f00255&|e|w| +0#0000000&|S|t|r|i|n|g|[|]| |{| @33
+@12|"+0#e000002&|\+0#e000e06&|b|"+0#e000002&|,+0#0000000&| |"+0#e000002&|\+0#e000e06&|t|"+0#e000002&|,+0#0000000&| @51
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+@8|}|)|;| @63
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+@8|c+0#00e0003&|h|a|r| +0#0000000&|o@1|[|]| |=| |{| @53
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+@75
+@8|'+0#e000002&|\+0#e000e06&|1|0|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1@1|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|2|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|3|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|4|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|5|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|6|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|7|'+0#e000002&|,+0#0000000&| @11
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diff --git a/runtime/syntax/testdir/dumps/java_escapes_02.dump b/runtime/syntax/testdir/dumps/java_escapes_02.dump
new file mode 100644
index 000000000..da8b1a975
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_escapes_02.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@7|'+0#e000002&|\+0#e000e06&|1|0|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1@1|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|2|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|3|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|4|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|5|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|6|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|1|7|'+0#e000002&|,+0#0000000&| @11
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+@8>'+0#e000002&|\+0#e000e06&|6|0|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|6|1|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|6|2|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|6|3|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|6|4|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|6|5|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|6@1|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|6|7|'+0#e000002&|,+0#0000000&| @11
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diff --git a/runtime/syntax/testdir/dumps/java_escapes_03.dump b/runtime/syntax/testdir/dumps/java_escapes_03.dump
new file mode 100644
index 000000000..920ab1c33
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_escapes_03.dump
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diff --git a/runtime/syntax/testdir/dumps/java_escapes_04.dump b/runtime/syntax/testdir/dumps/java_escapes_04.dump
new file mode 100644
index 000000000..79f11f1f0
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_escapes_04.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@3|'+0#e000002&|\+0#e000e06&|3|4|0|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|3|4|1|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|3|4|2|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|3|4|3|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|3|4@1|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|3|4|5|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|3|4|6|'+0#e000002&|,+0#0000000&| |'+0#e000002&|\+0#e000e06&|3|4|7|'+0#e000002&|,+0#0000000&| @7
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+@8|}|;| @64
+> @74
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+@75
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diff --git a/runtime/syntax/testdir/dumps/java_escapes_05.dump b/runtime/syntax/testdir/dumps/java_escapes_05.dump
new file mode 100644
index 000000000..487198aff
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_escapes_05.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@7|"+0#e000002&|\+0#e000e06&|6|0|"+0#e000002&|,+0#0000000&| |"+0#e000002&|\+0#e000e06&|6|1|"+0#e000002&|,+0#0000000&| |"+0#e000002&|\+0#e000e06&|6|2|"+0#e000002&|,+0#0000000&| |"+0#e000002&|\+0#e000e06&|6|3|"+0#e000002&|,+0#0000000&| |"+0#e000002&|\+0#e000e06&|6|4|"+0#e000002&|,+0#0000000&| |"+0#e000002&|\+0#e000e06&|6|5|"+0#e000002&|,+0#0000000&| |"+0#e000002&|\+0#e000e06&|6@1|"+0#e000002&|,+0#0000000&| |"+0#e000002&|\+0#e000e06&|6|7|"+0#e000002&|,+0#0000000&| @11
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diff --git a/runtime/syntax/testdir/dumps/java_escapes_06.dump b/runtime/syntax/testdir/dumps/java_escapes_06.dump
new file mode 100644
index 000000000..01d73c54e
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_escapes_06.dump
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diff --git a/runtime/syntax/testdir/dumps/java_escapes_99.dump b/runtime/syntax/testdir/dumps/java_escapes_99.dump
new file mode 100644
index 000000000..617317c23
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_escapes_99.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/java_numbers_00.dump b/runtime/syntax/testdir/dumps/java_numbers_00.dump
new file mode 100644
index 000000000..6ffb5d127
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_numbers_00.dump
@@ -0,0 +1,20 @@
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+@12|0+0#e000002&|x|.|0|p|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|p|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|0|d|,+0#0000000&| |0+0#e000002&|x|0|P|0|D|,+0#0000000&| @27
+@12|0+0#e000002&|x|.|0|p|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|p|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|0|f|,+0#0000000&| |0+0#e000002&|x|0|P|0|F|,+0#0000000&| @27
+@12|0+0#e000002&|x|.|0|p|0|,+0#0000000&| |0+0#e000002&|x|0|.|p|0|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|0|,+0#0000000&| |0+0#e000002&|x|0|P|0|,+0#0000000&| @31
+@12|0+0#e000002&|x|.|0|p|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|p|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|0|d|,+0#0000000&| |0+0#e000002&|x|0|P|0|D|,+0#0000000&| @27
+@12|0+0#e000002&|x|.|0|p|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|p|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|0|f|,+0#0000000&| |0+0#e000002&|x|0|P|0|F|,+0#0000000&| @27
+@12|0+0#e000002&|x|.|0|p|-|0|,+0#0000000&| |0+0#e000002&|x|0|.|p|-|0|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|-|0|,+0#0000000&| |0+0#e000002&|x|0|P|-|0|,+0#0000000&| @27
+@12|0+0#e000002&|x|.|0|p|-|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|p|-|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|-|0|d|,+0#0000000&| |0+0#e000002&|x|0|P|-|0|D|,+0#0000000&| @23
+@12|0+0#e000002&|x|.|0|p|-|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|p|-|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|-|0|f|,+0#0000000&| |0+0#e000002&|x|0|P|-|0|F|,+0#0000000&| @23
+@12|0+0#e000002&|x|.|0|p|+|0|,+0#0000000&| |0+0#e000002&|x|0|.|p|+|0|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|+|0|,+0#0000000&| |0+0#e000002&|x|0|P|+|0|,+0#0000000&| @27
+@12|0+0#e000002&|x|.|0|p|+|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|p|+|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|+|0|d|,+0#0000000&| |0+0#e000002&|x|0|P|+|0|D|,+0#0000000&| @23
+@12|0+0#e000002&|x|.|0|p|+|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|p|+|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|+|0|f|,+0#0000000&| |0+0#e000002&|x|0|P|+|0|F|,+0#0000000&| @23
+@75
+@12|1+0#e000002&|.|,+0#0000000&| |1+0#e000002&|.|2|,+0#0000000&| |1+0#e000002&|.|2|e|3|,+0#0000000&| |1+0#e000002&|.|2|e|3|d|,+0#0000000&| |1+0#e000002&|.|2|e|3|f|,+0#0000000&| @31
+@16|1+0#e000002&|.|2|e|-|3|,+0#0000000&| |1+0#e000002&|.|2|e|-|3|d|,+0#0000000&| |1+0#e000002&|.|2|E|-|3|F|,+0#0000000&| @33
+@57|1|,|1| @10|T|o|p|
diff --git a/runtime/syntax/testdir/dumps/java_numbers_01.dump b/runtime/syntax/testdir/dumps/java_numbers_01.dump
new file mode 100644
index 000000000..a66487ace
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_numbers_01.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@11|0+0#e000002&|x|.|0|p|+|0|,+0#0000000&| |0+0#e000002&|x|0|.|p|+|0|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|+|0|,+0#0000000&| |0+0#e000002&|x|0|P|+|0|,+0#0000000&| @27
+@12|0+0#e000002&|x|.|0|p|+|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|p|+|0|d|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|+|0|d|,+0#0000000&| |0+0#e000002&|x|0|P|+|0|D|,+0#0000000&| @23
+@12|0+0#e000002&|x|.|0|p|+|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|p|+|0|f|,+0#0000000&| |0+0#e000002&|x|0|.|0|p|+|0|f|,+0#0000000&| |0+0#e000002&|x|0|P|+|0|F|,+0#0000000&| @23
+@75
+@12|1+0#e000002&|.|,+0#0000000&| |1+0#e000002&|.|2|,+0#0000000&| |1+0#e000002&|.|2|e|3|,+0#0000000&| |1+0#e000002&|.|2|e|3|d|,+0#0000000&| |1+0#e000002&|.|2|e|3|f|,+0#0000000&| @31
+@16>1+0#e000002&|.|2|e|-|3|,+0#0000000&| |1+0#e000002&|.|2|e|-|3|d|,+0#0000000&| |1+0#e000002&|.|2|E|-|3|F|,+0#0000000&| @33
+@16|1+0#e000002&|.|2|e|+|3|,+0#0000000&| |1+0#e000002&|.|2|E|+|3|D|,+0#0000000&| |1+0#e000002&|.|2|e|+|3|f|,+0#0000000&| @33
+@12|.+0#e000002&|2|,+0#0000000&| |.+0#e000002&|2|e|3|,+0#0000000&| |.+0#e000002&|2|e|3|d|,+0#0000000&| |.+0#e000002&|2|e|3|f|,+0#0000000&| @39
+@16|.+0#e000002&|2|e|-|3|,+0#0000000&| |.+0#e000002&|2|e|-|3|d|,+0#0000000&| |.+0#e000002&|2|E|-|3|F|,+0#0000000&| @36
+@16|.+0#e000002&|2|e|+|3|,+0#0000000&| |.+0#e000002&|2|E|+|3|D|,+0#0000000&| |.+0#e000002&|2|e|+|3|f|,+0#0000000&| @36
+@12|1+0#e000002&|e|3|,+0#0000000&| |1+0#e000002&|e|3|d|,+0#0000000&| |1+0#e000002&|e|3|f|,+0#0000000&| @46
+@16|1+0#e000002&|e|-|3|,+0#0000000&| |1+0#e000002&|e|-|3|d|,+0#0000000&| |1+0#e000002&|E|-|3|F|,+0#0000000&| @39
+@16|1+0#e000002&|e|+|3|,+0#0000000&| |1+0#e000002&|E|+|3|D|,+0#0000000&| |1+0#e000002&|e|+|3|f|,+0#0000000&| @39
+@12|1+0#e000002&|d|,+0#0000000&| |1+0#e000002&|D|,+0#0000000&| |1+0#e000002&|f|,+0#0000000&| |1+0#e000002&|F|,+0#0000000&| @47
+@75
+|/+0#0000e05&@3| |M|A|L|F|O|R|M|E|D|:| |:|l|e|t| |g|:|j|a|v|a|_|c|o|m@1|e|n|t|_|s|t|r|i|n|g|s| |=| |1| ||| |d|o|a|u|t|o|c|m|d| |S|y|n|t|a|x| +0#0000000&@8
+|/+0#0000e05&@1| @9|0|_|x|.|0|p|0|,| |0|x|.|_|0|p|0|,| |0|x|.|0|_|p|0|,| |0|x|.|0|p|_|0|,| |0|x|.|0|p|0|_|,| +0#0000000&@18
+|/+0#0000e05&@1| @9|0|x|0|_|.|0|p|0|,| |0|x|_|0|.|0|p|0|,| |0|x|p|0|,| +0#0000000&@37
+@8|}|;| @64
+@57|1|9|,|5|-|1|7| @6|1|8|%|
diff --git a/runtime/syntax/testdir/dumps/java_numbers_02.dump b/runtime/syntax/testdir/dumps/java_numbers_02.dump
new file mode 100644
index 000000000..73f2e8e2d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_numbers_02.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@7|}|;| @64
+@75
+@8|i+0#00e0003&|n|t| +0#0000000&|O| |=| |0+0#e000002&|;+0#0000000&| @56
+@8|i+0#00e0003&|n|t| +0#0000000&|O@1| |=| |0+0#e000002&@1|;+0#0000000&| @54
+@8|i+0#00e0003&|n|t| +0#0000000&|O|x|O| |=| |0+0#e000002&|x|0|;+0#0000000&| @52
+> @74
+@8|i+0#00e0003&|n|t| +0#0000000&|x| |=| |0+0#e000002&|x|1|2|_|3|4|5|_|6|7|8|;+0#0000000&| @45
+@8|i+0#00e0003&|n|t| +0#0000000&|y| |=| |0+0#e000002&|b|0|1|_|0|1|_|0|1|_|0|1|_|0|1|;+0#0000000&| @41
+@8|i+0#00e0003&|n|t| +0#0000000&|z| |=| |0+0#e000002&|_@1|1|_@1|2|_@1|3|_@1|4|_@1|5|_@1|6|_@1|7|;+0#0000000&| @35
+@75
+@8|/+0#0000e05&@1| |S|t|r|i|n|g|.|f|o|r|m|a|t|(|"|%|a|"|,| |-|1|.|0|)| +0#0000000&@38
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|m|i|n|u|s|_|o|n|e|_|d| |=| |-|0+0#e000002&|x|1|.|0|p|0|;+0#0000000&| @36
+@75
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|z|_|d| |=| |-|0+0#e000002&|x|.|0|p|0|;+0#0000000&| @45
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|y|_|d| |=| |0+0#e000002&|x|a|p|1|_@1|0|_@1|0|;+0#0000000&| @41
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|x|_|d| |=| |.+0#e000002&|0|_@1|1|_@1|2|_@1|3|_@1|4|_@1|5|_@1|6|_@1|7|_@1|8|_@1|9|;+0#0000000&| @23
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|d|o|t|_|O| |=| |.+0#e000002&|0|;+0#0000000&| @48
+@75
+@8|/+0#0000e05&@1| |J|L|S|,| |Â§|3|.|1|0|.|2|:| +0#0000000&@50
+@57|3|7|,|0|-|1| @7|4@1|%|
diff --git a/runtime/syntax/testdir/dumps/java_numbers_03.dump b/runtime/syntax/testdir/dumps/java_numbers_03.dump
new file mode 100644
index 000000000..e3b5dba14
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_numbers_03.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@7|/+0#0000e05&@1| |J|L|S|,| |Â§|3|.|1|0|.|2|:| +0#0000000&@50
+@8|f+0#00e0003&|l|o|a|t| +0#0000000&|m|a|x|_|d|e|c|_|f| |=| |3+0#e000002&|.|4|0|2|8|2|3|5|e|3|8|f|;+0#0000000&| @34
+@8|f+0#00e0003&|l|o|a|t| +0#0000000&|m|a|x|_|h|e|x|_|f| |=| |0+0#e000002&|x|1|.|f@4|e|P|+|1|2|7|f|;+0#0000000&| @31
+@8|f+0#00e0003&|l|o|a|t| +0#0000000&|m|i|n|_|d|e|c|_|f| |=| |1+0#e000002&|.|4|e|-|4|5|f|;+0#0000000&| @39
+@8|f+0#00e0003&|l|o|a|t| +0#0000000&|m|i|n|_|h|e|x|_|f|_|a| |=| |0+0#e000002&|x|0|.|0@4|2|P|-|1|2|6|f|;+0#0000000&| @29
+@8>f+0#00e0003&|l|o|a|t| +0#0000000&|m|i|n|_|h|e|x|_|f|_|b| |=| |0+0#e000002&|x|1|.|0|P|-|1|4|9|f|;+0#0000000&| @34
+@75
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|m|a|x|_|d|e|c|_|d| |=| |1+0#e000002&|.|7|9|7|6|9|3|1|3|4|8|6|2|3|1|5|7|e|3|_@1|0|_@1|8|;+0#0000000&| @20
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|m|a|x|_|h|e|x|_|d| |=| |0+0#e000002&|x|1|.|f|_|f@3|_|f@3|_|f@3|P|+|1|0|2|3|;+0#0000000&| @20
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|m|i|n|_|d|e|c|_|d| |=| |4+0#e000002&|.|9|e|-|3|_@1|2|_@1|4|;+0#0000000&| @34
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|m|i|n|_|h|e|x|_|d|_|a| |=| |0+0#e000002&|x|0|.|0|_|0@3|_|0@3|_|0@2|1|P|-|1|0|2@1|;+0#0000000&| @18
+@8|d+0#00e0003&|o|u|b|l|e| +0#0000000&|m|i|n|_|h|e|x|_|d|_|b| |=| |0+0#e000002&|x|1|.|0|P|-|1|0|7|4|;+0#0000000&| @33
+@75
+@8|/+0#0000e05&@1| |J|L|S|,| |Â§|3|.|1|0|.|1|:| +0#0000000&@50
+@8|i+0#00e0003&|n|t| +0#0000000&|m|a|x|_|h|e|x| |=| |0+0#e000002&|x|7|f@2|_|f@3|;+0#0000000&| @40
+@8|i+0#00e0003&|n|t| +0#0000000&|m|a|x|_|o|c|t| |=| |0+0#e000002&|1|7@1|_|7@3|_|7@3|;+0#0000000&| @37
+@8|i+0#00e0003&|n|t| +0#0000000&|m|a|x|_|b|i|n| |=| |0+0#e000002&|b|0|1@2|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|;+0#0000000&| @10
+@75
+@8|i+0#00e0003&|n|t| +0#0000000&|m|i|n|_|h|e|x| |=| |0+0#e000002&|x|8|0@2|_|0@3|;+0#0000000&| @40
+@57|5@1|,|3|-|9| @7|7|1|%|
diff --git a/runtime/syntax/testdir/dumps/java_numbers_04.dump b/runtime/syntax/testdir/dumps/java_numbers_04.dump
new file mode 100644
index 000000000..d03904dd1
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_numbers_04.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@7|i+0#00e0003&|n|t| +0#0000000&|m|i|n|_|h|e|x| |=| |0+0#e000002&|x|8|0@2|_|0@3|;+0#0000000&| @40
+@8|i+0#00e0003&|n|t| +0#0000000&|m|i|n|_|o|c|t| |=| |0+0#e000002&|2|0@1|_|0@3|_|0@3|;+0#0000000&| @37
+@8|i+0#00e0003&|n|t| +0#0000000&|m|i|n|_|b|i|n| |=| |0+0#e000002&|b|1|0@2|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|;+0#0000000&| @10
+@75
+@8|i+0#00e0003&|n|t| +0#0000000&|m|i|n|u|s|_|o|n|e|_|h|e|x| |=| |0+0#e000002&|x|f@3|_|f@3|;+0#0000000&| @34
+@8>i+0#00e0003&|n|t| +0#0000000&|m|i|n|u|s|_|o|n|e|_|o|c|t| |=| |0+0#e000002&|3|7@1|_|7@3|_|7@3|;+0#0000000&| @31
+@8|i+0#00e0003&|n|t| +0#0000000&|m|i|n|u|s|_|o|n|e|_|b|i|n| |=| |0+0#e000002&|b|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|;+0#0000000&| @4
+@75
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|a|x|_|h|e|x|_|l| |=| |0+0#e000002&|x|7|f@2|_|f@3|_|f@3|_|f@3|L|;+0#0000000&| @26
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|a|x|_|o|c|t|_|l| |=| |0+0#e000002&|7|_|7@3|_|7@3|_|7@3|_|7@3|_|7@3|L|;+0#0000000&| @20
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|a|x|_|b|i|n|_|l| |=| |0+0#e000002&|b|0|1@2|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@2
+@1|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|L|;+0#0000000&| @41
+@75
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|_|h|e|x|_|l| |=| |0+0#e000002&|x|8|0@2|_|0@3|_|0@3|_|0@3|L|;+0#0000000&| @26
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|_|o|c|t|_|l| |=| |0+0#e000002&|1|0|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|L|;+0#0000000&| @19
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|_|b|i|n|_|l| |=| |0+0#e000002&|b|1|0@2|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@2
+@1|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|L|;+0#0000000&| @41
+@75
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|u|s|_|o|n|e|_|h|e|x|_|l| |=| |0+0#e000002&|x|f@3|_|f@3|_|f@3|_|f@3|L|;+0#0000000&| @20
+@57|7|3|,|3|-|9| @7|9|4|%|
diff --git a/runtime/syntax/testdir/dumps/java_numbers_99.dump b/runtime/syntax/testdir/dumps/java_numbers_99.dump
new file mode 100644
index 000000000..7637b85ff
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_numbers_99.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@7|i+0#00e0003&|n|t| +0#0000000&|m|i|n|u|s|_|o|n|e|_|o|c|t| |=| |0+0#e000002&|3|7@1|_|7@3|_|7@3|;+0#0000000&| @31
+@8|i+0#00e0003&|n|t| +0#0000000&|m|i|n|u|s|_|o|n|e|_|b|i|n| |=| |0+0#e000002&|b|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|;+0#0000000&| @4
+@75
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|a|x|_|h|e|x|_|l| |=| |0+0#e000002&|x|7|f@2|_|f@3|_|f@3|_|f@3|L|;+0#0000000&| @26
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|a|x|_|o|c|t|_|l| |=| |0+0#e000002&|7|_|7@3|_|7@3|_|7@3|_|7@3|_|7@3|L|;+0#0000000&| @20
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|a|x|_|b|i|n|_|l| |=| |0+0#e000002&|b|0|1@2|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@2
+@1|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|L|;+0#0000000&| @41
+@75
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|_|h|e|x|_|l| |=| |0+0#e000002&|x|8|0@2|_|0@3|_|0@3|_|0@3|L|;+0#0000000&| @26
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|_|o|c|t|_|l| |=| |0+0#e000002&|1|0|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|L|;+0#0000000&| @19
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|_|b|i|n|_|l| |=| |0+0#e000002&|b|1|0@2|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@2
+@1|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|_|0@3|L|;+0#0000000&| @41
+@75
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|u|s|_|o|n|e|_|h|e|x|_|l| |=| |0+0#e000002&|x|f@3|_|f@3|_|f@3|_|f@3|L|;+0#0000000&| @20
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|u|s|_|o|n|e|_|o|c|t|_|l| |=| |0+0#e000002&|1|7|_|7@3|_|7@3|_|7@3|_|7@3|_|7@3|L|;+0#0000000&| @13
+@8|l+0#00e0003&|o|n|g| +0#0000000&|m|i|n|u|s|_|o|n|e|_|b|i|n|_|l| |=| |0+0#e000002&|b|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@1
+@2|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|_|1@3|L|;+0#0000000&| @35
+@4|}| @69
+>}| @73
+@57|8@1|,|1| @9|B|o|t|
diff --git a/runtime/syntax/testdir/input/java_escapes.java b/runtime/syntax/testdir/input/java_escapes.java
new file mode 100644
index 000000000..624d4fcd8
--- /dev/null
+++ b/runtime/syntax/testdir/input/java_escapes.java
@@ -0,0 +1,123 @@
+class EscapesTests
+{ // javap -constants EscapesTests.class
+ // static final String hello = "hello";
+ \u0073\u0074\u0061\u0074\u0069\u0063
+ \u0066\u0069\u006e\u0061\u006c
+ \u0053\u0074\u0072\u0069\u006e\u0067
+ \u0068\u0065\u006c\u006c\u006f
+ \u003d
+ \u0022\u0068\u0065\u006c\u006c\u006f\u0022
+ \u003b
+
+ static {
+ char ee[] = {
+ ' ', ' ',
+ '
', '', '
',
+ '\"', '\'', '\',
+ };
+
+ System.out.println(new String[] {
+ " ", " ",
+ "
", "", "
",
+ "\"", "\'", "\",
+ });
+
+ char oo[] = {
+ '
+
+ '
+
+ '
+
+ ' ', ' ', '
', ' ', '', '
', ' ', ' ',
+ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+ ' ', '!', '"', '#', '$', '%', '&', ''',
+ '(', ')', '*', '+', ',', '-', '.', '/',
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', ':', ';', '<', '=', '>', '?',
+
+ ' ', ' ', '
', ' ', '', '
', ' ', ' ',
+ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+ ' ', '!', '"', '#', '$', '%', '&', ''',
+ '(', ')', '*', '+', ',', '-', '.', '/',
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', ':', ';', '<', '=', '>', '?',
+
+ '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
+ 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+ 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
+ 'X', 'Y', 'Z', '[', '\', ']', '^', '_',
+ '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
+ 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
+ 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
+ 'x', 'y', 'z', '{', '|', '}', '~', ' ',
+ '€', ' ', '‚', 'ƒ', '„', '…', '†', '‡',
+ 'ˆ', '‰', 'Š', '‹', 'Œ', ' ', 'Ž', ' ',
+ ' ', '‘', '’', '“', '”', '•', '–', '—',
+ '˜', '™', 'š', '›', 'œ', ' ', 'ž', 'Ÿ',
+ ' ', '¡', '¢', '£', '¤', '¥', '¦', '§',
+ '¨', '©', 'ª', '«', '¬', '', '®', '¯',
+ '°', '±', '²', '³', '´', 'µ', '¶', '·',
+ '¸', '¹', 'º', '»', '¼', '½', '¾', '¿',
+ 'À', 'Á', 'Â', 'Ã', 'Ä', 'Å', 'Æ', 'Ç',
+ 'È', 'É', 'Ê', 'Ë', 'Ì', 'Í', 'Î', 'Ï',
+ 'Ð', 'Ñ', 'Ò', 'Ó', 'Ô', 'Õ', 'Ö', '×',
+ 'Ø', 'Ù', 'Ú', 'Û', 'Ü', 'Ý', 'Þ', 'ß',
+ 'à', 'á', 'â', 'ã', 'ä', 'å', 'æ', 'ç',
+ 'è', 'é', 'ê', 'ë', 'ì', 'í', 'î', 'ï',
+ 'ð', 'ñ', 'ò', 'ó', 'ô', 'õ', 'ö', '÷',
+ 'ø', 'ù', 'ú', 'û', 'ü', 'ý', 'þ', 'ÿ',
+ };
+
+ System.out.println(new String[] {
+ "
+
+ "
+
+ "
+
+ " ", " ", "
", " ", "", "
", " ", " ",
+ " ", " ", " ", " ", " ", " ", " ", " ",
+ " ", " ", " ", " ", " ", " ", " ", " ",
+ " ", "!", """, "#", "$", "%", "&", "'",
+ "(", ")", "*", "+", ",", "-", ".", "/",
+ "0", "1", "2", "3", "4", "5", "6", "7",
+ "8", "9", ":", ";", "<", "=", ">", "?",
+
+ " ", " ", "
", " ", "", "
", " ", " ",
+ " ", " ", " ", " ", " ", " ", " ", " ",
+ " ", " ", " ", " ", " ", " ", " ", " ",
+ " ", "!", """, "#", "$", "%", "&", "'",
+ "(", ")", "*", "+", ",", "-", ".", "/",
+ "0", "1", "2", "3", "4", "5", "6", "7",
+ "8", "9", ":", ";", "<", "=", ">", "?",
+
+ "@", "A", "B", "C", "D", "E", "F", "G",
+ "H", "I", "J", "K", "L", "M", "N", "O",
+ "P", "Q", "R", "S", "T", "U", "V", "W",
+ "X", "Y", "Z", "[", "\", "]", "^", "_",
+ "`", "a", "b", "c", "d", "e", "f", "g",
+ "h", "i", "j", "k", "l", "m", "n", "o",
+ "p", "q", "r", "s", "t", "u", "v", "w",
+ "x", "y", "z", "{", "|", "}", "~", " ",
+ "€", " ", "‚", "ƒ", "„", "…", "†", "‡",
+ "ˆ", "‰", "Š", "‹", "Œ", " ", "Ž", " ",
+ " ", "‘", "’", "“", "”", "•", "–", "—",
+ "˜", "™", "š", "›", "œ", " ", "ž", "Ÿ",
+ " ", "¡", "¢", "£", "¤", "¥", "¦", "§",
+ "¨", "©", "ª", "«", "¬", "", "®", "¯",
+ "°", "±", "²", "³", "´", "µ", "¶", "·",
+ "¸", "¹", "º", "»", "¼", "½", "¾", "¿",
+ "À", "Á", "Â", "Ã", "Ä", "Å", "Æ", "Ç",
+ "È", "É", "Ê", "Ë", "Ì", "Í", "Î", "Ï",
+ "Ð", "Ñ", "Ò", "Ó", "Ô", "Õ", "Ö", "×",
+ "Ø", "Ù", "Ú", "Û", "Ü", "Ý", "Þ", "ß",
+ "à", "á", "â", "ã", "ä", "å", "æ", "ç",
+ "è", "é", "ê", "ë", "ì", "í", "î", "ï",
+ "ð", "ñ", "ò", "ó", "ô", "õ", "ö", "÷",
+ "ø", "ù", "ú", "û", "ü", "ý", "þ", "ÿ",
+ });
+ }
+}
diff --git a/runtime/syntax/testdir/input/java_numbers.java b/runtime/syntax/testdir/input/java_numbers.java
new file mode 100644
index 000000000..e9265349a
--- /dev/null
+++ b/runtime/syntax/testdir/input/java_numbers.java
@@ -0,0 +1,88 @@
+class NumbersTests
+{
+ static {
+ double[] dd = {
+ 0x.0p0, 0x0.p0, 0x0.0p0, 0x0P0,
+ 0x.0p0d, 0x0.p0d, 0x0.0p0d, 0x0P0D,
+ 0x.0p0f, 0x0.p0f, 0x0.0p0f, 0x0P0F,
+ 0x.0p0, 0x0.p0, 0x0.0p0, 0x0P0,
+ 0x.0p0d, 0x0.p0d, 0x0.0p0d, 0x0P0D,
+ 0x.0p0f, 0x0.p0f, 0x0.0p0f, 0x0P0F,
+ 0x.0p-0, 0x0.p-0, 0x0.0p-0, 0x0P-0,
+ 0x.0p-0d, 0x0.p-0d, 0x0.0p-0d, 0x0P-0D,
+ 0x.0p-0f, 0x0.p-0f, 0x0.0p-0f, 0x0P-0F,
+ 0x.0p+0, 0x0.p+0, 0x0.0p+0, 0x0P+0,
+ 0x.0p+0d, 0x0.p+0d, 0x0.0p+0d, 0x0P+0D,
+ 0x.0p+0f, 0x0.p+0f, 0x0.0p+0f, 0x0P+0F,
+
+ 1., 1.2, 1.2e3, 1.2e3d, 1.2e3f,
+ 1.2e-3, 1.2e-3d, 1.2E-3F,
+ 1.2e+3, 1.2E+3D, 1.2e+3f,
+ .2, .2e3, .2e3d, .2e3f,
+ .2e-3, .2e-3d, .2E-3F,
+ .2e+3, .2E+3D, .2e+3f,
+ 1e3, 1e3d, 1e3f,
+ 1e-3, 1e-3d, 1E-3F,
+ 1e+3, 1E+3D, 1e+3f,
+ 1d, 1D, 1f, 1F,
+
+//// MALFORMED: :let g:java_comment_strings = 1 | doautocmd Syntax
+// 0_x.0p0, 0x._0p0, 0x.0_p0, 0x.0p_0, 0x.0p0_,
+// 0x0_.0p0, 0x_0.0p0, 0xp0,
+ };
+
+ int O = 0;
+ int OO = 00;
+ int OxO = 0x0;
+
+ int x = 0x12_345_678;
+ int y = 0b01_01_01_01_01;
+ int z = 0__1__2__3__4__5__6__7;
+
+ // String.format("%a", -1.0)
+ double minus_one_d = -0x1.0p0;
+
+ double z_d = -0x.0p0;
+ double y_d = 0xap1__0__0;
+ double x_d = .0__1__2__3__4__5__6__7__8__9;
+ double dot_O = .0;
+
+ // JLS, Â§3.10.2:
+ float max_dec_f = 3.4028235e38f;
+ float max_hex_f = 0x1.fffffeP+127f;
+ float min_dec_f = 1.4e-45f;
+ float min_hex_f_a = 0x0.000002P-126f;
+ float min_hex_f_b = 0x1.0P-149f;
+
+ double max_dec_d = 1.7976931348623157e3__0__8;
+ double max_hex_d = 0x1.f_ffff_ffff_ffffP+1023;
+ double min_dec_d = 4.9e-3__2__4;
+ double min_hex_d_a = 0x0.0_0000_0000_0001P-1022;
+ double min_hex_d_b = 0x1.0P-1074;
+
+ // JLS, Â§3.10.1:
+ int max_hex = 0x7fff_ffff;
+ int max_oct = 0177_7777_7777;
+ int max_bin = 0b0111_1111_1111_1111_1111_1111_1111_1111;
+
+ int min_hex = 0x8000_0000;
+ int min_oct = 0200_0000_0000;
+ int min_bin = 0b1000_0000_0000_0000_0000_0000_0000_0000;
+
+ int minus_one_hex = 0xffff_ffff;
+ int minus_one_oct = 0377_7777_7777;
+ int minus_one_bin = 0b1111_1111_1111_1111_1111_1111_1111_1111;
+
+ long max_hex_l = 0x7fff_ffff_ffff_ffffL;
+ long max_oct_l = 07_7777_7777_7777_7777_7777L;
+ long max_bin_l = 0b0111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111L;
+
+ long min_hex_l = 0x8000_0000_0000_0000L;
+ long min_oct_l = 010_0000_0000_0000_0000_0000L;
+ long min_bin_l = 0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000L;
+
+ long minus_one_hex_l = 0xffff_ffff_ffff_ffffL;
+ long minus_one_oct_l = 017_7777_7777_7777_7777_7777L;
+ long minus_one_bin_l = 0b1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111L;
+ }
+}

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