6860965: Project Coin: binary literals

Tue, 15 Sep 2009 18:36:21 -0700

author
jjg
date
Tue, 15 Sep 2009 18:36:21 -0700
changeset 409
69eaccd3ea85
parent 408
9dd34ed62341
child 410
5dd400fd62d9

6860965: Project Coin: binary literals
6860973: Project Coin: Underscores in literals
Summary: [Portions contributed by Bruce Chapman]
Reviewed-by: darcy

src/share/classes/com/sun/tools/javac/code/Source.java file | annotate | diff | comparison | revisions
src/share/classes/com/sun/tools/javac/parser/Scanner.java file | annotate | diff | comparison | revisions
src/share/classes/com/sun/tools/javac/resources/compiler.properties file | annotate | diff | comparison | revisions
test/tools/javac/enum/6384542/T6384542.out file | annotate | diff | comparison | revisions
test/tools/javac/literals/BadBinaryLiterals.6.out file | annotate | diff | comparison | revisions
test/tools/javac/literals/BadBinaryLiterals.7.out file | annotate | diff | comparison | revisions
test/tools/javac/literals/BadBinaryLiterals.java file | annotate | diff | comparison | revisions
test/tools/javac/literals/BadUnderscoreLiterals.6.out file | annotate | diff | comparison | revisions
test/tools/javac/literals/BadUnderscoreLiterals.7.out file | annotate | diff | comparison | revisions
test/tools/javac/literals/BadUnderscoreLiterals.java file | annotate | diff | comparison | revisions
test/tools/javac/literals/BinaryLiterals.java file | annotate | diff | comparison | revisions
test/tools/javac/literals/UnderscoreLiterals.java file | annotate | diff | comparison | revisions
     1.1 --- a/src/share/classes/com/sun/tools/javac/code/Source.java	Tue Sep 15 12:20:55 2009 -0700
     1.2 +++ b/src/share/classes/com/sun/tools/javac/code/Source.java	Tue Sep 15 18:36:21 2009 -0700
     1.3 @@ -159,6 +159,12 @@
     1.4      public boolean allowTypeAnnotations() {
     1.5          return compareTo(JDK1_7) >= 0;
     1.6      }
     1.7 +    public boolean allowBinaryLiterals() {
     1.8 +        return compareTo(JDK1_7) >= 0;
     1.9 +    }
    1.10 +    public boolean allowUnderscoresInLiterals() {
    1.11 +        return compareTo(JDK1_7) >= 0;
    1.12 +    }
    1.13      public static SourceVersion toSourceVersion(Source source) {
    1.14          switch(source) {
    1.15          case JDK1_2:
     2.1 --- a/src/share/classes/com/sun/tools/javac/parser/Scanner.java	Tue Sep 15 12:20:55 2009 -0700
     2.2 +++ b/src/share/classes/com/sun/tools/javac/parser/Scanner.java	Tue Sep 15 18:36:21 2009 -0700
     2.3 @@ -100,6 +100,18 @@
     2.4       */
     2.5      private boolean allowHexFloats;
     2.6  
     2.7 +    /** Allow binary literals.
     2.8 +     */
     2.9 +    private boolean allowBinaryLiterals;
    2.10 +
    2.11 +    /** Allow underscores in literals.
    2.12 +     */
    2.13 +    private boolean allowUnderscoresInLiterals;
    2.14 +
    2.15 +    /** The source language setting.
    2.16 +     */
    2.17 +    private Source source;
    2.18 +
    2.19      /** The token's position, 0-based offset from beginning of text.
    2.20       */
    2.21      private int pos;
    2.22 @@ -162,10 +174,13 @@
    2.23  
    2.24      /** Common code for constructors. */
    2.25      private Scanner(Factory fac) {
    2.26 -        this.log = fac.log;
    2.27 -        this.names = fac.names;
    2.28 -        this.keywords = fac.keywords;
    2.29 -        this.allowHexFloats = fac.source.allowHexFloats();
    2.30 +        log = fac.log;
    2.31 +        names = fac.names;
    2.32 +        keywords = fac.keywords;
    2.33 +        source = fac.source;
    2.34 +        allowBinaryLiterals = source.allowBinaryLiterals();
    2.35 +        allowHexFloats = source.allowHexFloats();
    2.36 +        allowUnderscoresInLiterals = source.allowBinaryLiterals();
    2.37      }
    2.38  
    2.39      private static final boolean hexFloatsWork = hexFloatsWork();
    2.40 @@ -396,23 +411,42 @@
    2.41          scanLitChar(true);
    2.42      }
    2.43  
    2.44 +    private void scanDigits(int digitRadix) {
    2.45 +        char saveCh;
    2.46 +        int savePos;
    2.47 +        do {
    2.48 +            if (ch != '_') {
    2.49 +                putChar(ch);
    2.50 +            } else {
    2.51 +                if (!allowUnderscoresInLiterals) {
    2.52 +                    lexError("unsupported.underscore", source.name);
    2.53 +                    allowUnderscoresInLiterals = true;
    2.54 +                }
    2.55 +            }
    2.56 +            saveCh = ch;
    2.57 +            savePos = bp;
    2.58 +            scanChar();
    2.59 +        } while (digit(digitRadix) >= 0 || ch == '_');
    2.60 +        if (saveCh == '_')
    2.61 +            lexError(savePos, "illegal.underscore");
    2.62 +    }
    2.63 +
    2.64      /** Read fractional part of hexadecimal floating point number.
    2.65       */
    2.66      private void scanHexExponentAndSuffix() {
    2.67          if (ch == 'p' || ch == 'P') {
    2.68              putChar(ch);
    2.69              scanChar();
    2.70 +            skipIllegalUnderscores();
    2.71              if (ch == '+' || ch == '-') {
    2.72                  putChar(ch);
    2.73                  scanChar();
    2.74              }
    2.75 +            skipIllegalUnderscores();
    2.76              if ('0' <= ch && ch <= '9') {
    2.77 -                do {
    2.78 -                    putChar(ch);
    2.79 -                    scanChar();
    2.80 -                } while ('0' <= ch && ch <= '9');
    2.81 +                scanDigits(10);
    2.82                  if (!allowHexFloats) {
    2.83 -                    lexError("unsupported.fp.lit");
    2.84 +                    lexError("unsupported.fp.lit", source.name);
    2.85                      allowHexFloats = true;
    2.86                  }
    2.87                  else if (!hexFloatsWork)
    2.88 @@ -438,23 +472,22 @@
    2.89      /** Read fractional part of floating point number.
    2.90       */
    2.91      private void scanFraction() {
    2.92 -        while (digit(10) >= 0) {
    2.93 -            putChar(ch);
    2.94 -            scanChar();
    2.95 +        skipIllegalUnderscores();
    2.96 +        if ('0' <= ch && ch <= '9') {
    2.97 +            scanDigits(10);
    2.98          }
    2.99          int sp1 = sp;
   2.100          if (ch == 'e' || ch == 'E') {
   2.101              putChar(ch);
   2.102              scanChar();
   2.103 +            skipIllegalUnderscores();
   2.104              if (ch == '+' || ch == '-') {
   2.105                  putChar(ch);
   2.106                  scanChar();
   2.107              }
   2.108 +            skipIllegalUnderscores();
   2.109              if ('0' <= ch && ch <= '9') {
   2.110 -                do {
   2.111 -                    putChar(ch);
   2.112 -                    scanChar();
   2.113 -                } while ('0' <= ch && ch <= '9');
   2.114 +                scanDigits(10);
   2.115                  return;
   2.116              }
   2.117              lexError("malformed.fp.lit");
   2.118 @@ -487,10 +520,10 @@
   2.119          assert ch == '.';
   2.120          putChar(ch);
   2.121          scanChar();
   2.122 -        while (digit(16) >= 0) {
   2.123 +        skipIllegalUnderscores();
   2.124 +        if (digit(16) >= 0) {
   2.125              seendigit = true;
   2.126 -            putChar(ch);
   2.127 -            scanChar();
   2.128 +            scanDigits(16);
   2.129          }
   2.130          if (!seendigit)
   2.131              lexError("invalid.hex.number");
   2.132 @@ -498,28 +531,35 @@
   2.133              scanHexExponentAndSuffix();
   2.134      }
   2.135  
   2.136 +    private void skipIllegalUnderscores() {
   2.137 +        if (ch == '_') {
   2.138 +            lexError(bp, "illegal.underscore");
   2.139 +            while (ch == '_')
   2.140 +                scanChar();
   2.141 +        }
   2.142 +    }
   2.143 +
   2.144      /** Read a number.
   2.145 -     *  @param radix  The radix of the number; one of 8, 10, 16.
   2.146 +     *  @param radix  The radix of the number; one of 2, j8, 10, 16.
   2.147       */
   2.148      private void scanNumber(int radix) {
   2.149          this.radix = radix;
   2.150          // for octal, allow base-10 digit in case it's a float literal
   2.151 -        int digitRadix = (radix <= 10) ? 10 : 16;
   2.152 +        int digitRadix = (radix == 8 ? 10 : radix);
   2.153          boolean seendigit = false;
   2.154 -        while (digit(digitRadix) >= 0) {
   2.155 +        if (digit(digitRadix) >= 0) {
   2.156              seendigit = true;
   2.157 -            putChar(ch);
   2.158 -            scanChar();
   2.159 +            scanDigits(digitRadix);
   2.160          }
   2.161          if (radix == 16 && ch == '.') {
   2.162              scanHexFractionAndSuffix(seendigit);
   2.163          } else if (seendigit && radix == 16 && (ch == 'p' || ch == 'P')) {
   2.164              scanHexExponentAndSuffix();
   2.165 -        } else if (radix <= 10 && ch == '.') {
   2.166 +        } else if (digitRadix == 10 && ch == '.') {
   2.167              putChar(ch);
   2.168              scanChar();
   2.169              scanFractionAndSuffix();
   2.170 -        } else if (radix <= 10 &&
   2.171 +        } else if (digitRadix == 10 &&
   2.172                     (ch == 'e' || ch == 'E' ||
   2.173                      ch == 'f' || ch == 'F' ||
   2.174                      ch == 'd' || ch == 'D')) {
   2.175 @@ -821,6 +861,7 @@
   2.176                      scanChar();
   2.177                      if (ch == 'x' || ch == 'X') {
   2.178                          scanChar();
   2.179 +                        skipIllegalUnderscores();
   2.180                          if (ch == '.') {
   2.181                              scanHexFractionAndSuffix(false);
   2.182                          } else if (digit(16) < 0) {
   2.183 @@ -828,8 +869,25 @@
   2.184                          } else {
   2.185                              scanNumber(16);
   2.186                          }
   2.187 +                    } else if (ch == 'b' || ch == 'B') {
   2.188 +                        if (!allowBinaryLiterals) {
   2.189 +                            lexError("unsupported.binary.lit", source.name);
   2.190 +                            allowBinaryLiterals = true;
   2.191 +                        }
   2.192 +                        scanChar();
   2.193 +                        skipIllegalUnderscores();
   2.194 +                        scanNumber(2);
   2.195                      } else {
   2.196                          putChar('0');
   2.197 +                        if (ch == '_') {
   2.198 +                            int savePos = bp;
   2.199 +                            do {
   2.200 +                                scanChar();
   2.201 +                            } while (ch == '_');
   2.202 +                            if (digit(10) < 0) {
   2.203 +                                lexError(savePos, "illegal.underscore");
   2.204 +                            }
   2.205 +                        }
   2.206                          scanNumber(8);
   2.207                      }
   2.208                      return;
     3.1 --- a/src/share/classes/com/sun/tools/javac/resources/compiler.properties	Tue Sep 15 12:20:55 2009 -0700
     3.2 +++ b/src/share/classes/com/sun/tools/javac/resources/compiler.properties	Tue Sep 15 18:36:21 2009 -0700
     3.3 @@ -216,6 +216,8 @@
     3.4      illegal line end in character literal
     3.5  compiler.err.illegal.nonascii.digit=\
     3.6      illegal non-ASCII digit
     3.7 +compiler.err.illegal.underscore=\
     3.8 +    illegal underscore
     3.9  compiler.err.illegal.qual.not.icls=\
    3.10      illegal qualifier; {0} is not an inner class
    3.11  compiler.err.illegal.start.of.expr=\
    3.12 @@ -1163,7 +1165,16 @@
    3.13  # Diagnostics for language feature changes
    3.14  ########################################
    3.15  compiler.err.unsupported.fp.lit=\
    3.16 -    hexadecimal floating-point literals are not supported before -source 5
    3.17 +    hexadecimal floating point literals are not supported in -source {0}\n\
    3.18 +(use -source 5 or higher to enable hexadecimal floating point literals)
    3.19 +
    3.20 +compiler.err.unsupported.binary.lit=\
    3.21 +    binary literals are not supported in -source {0}\n\
    3.22 +(use -source 7 or higher to enable binary literals)
    3.23 +
    3.24 +compiler.err.unsupported.underscore.lit=\
    3.25 +    underscores in literals are not supported in -source {0}\n\
    3.26 +(use -source 7 or higher to enable underscores in literals)
    3.27  
    3.28  compiler.warn.enum.as.identifier=\
    3.29      as of release 5, ''enum'' is a keyword, and may not be used as an identifier\n\
     4.1 --- a/test/tools/javac/enum/6384542/T6384542.out	Tue Sep 15 12:20:55 2009 -0700
     4.2 +++ b/test/tools/javac/enum/6384542/T6384542.out	Tue Sep 15 18:36:21 2009 -0700
     4.3 @@ -1,6 +1,6 @@
     4.4  T6384542.java:10:8: compiler.err.static.import.not.supported.in.source: 1.4
     4.5  T6384542.java:12:8: compiler.err.enums.not.supported.in.source: 1.4
     4.6 -T6384542.java:14:13: compiler.err.unsupported.fp.lit
     4.7 +T6384542.java:14:13: compiler.err.unsupported.fp.lit: 1.4
     4.8  T6384542.java:15:9: compiler.err.generics.not.supported.in.source: 1.4
     4.9  T6384542.java:16:35: compiler.err.varargs.not.supported.in.source: 1.4
    4.10  T6384542.java:17:25: compiler.err.foreach.not.supported.in.source: 1.4
     5.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     5.2 +++ b/test/tools/javac/literals/BadBinaryLiterals.6.out	Tue Sep 15 18:36:21 2009 -0700
     5.3 @@ -0,0 +1,8 @@
     5.4 +BadBinaryLiterals.java:10:17: compiler.err.unsupported.binary.lit: 1.6
     5.5 +BadBinaryLiterals.java:11:24: compiler.err.expected: ';'
     5.6 +BadBinaryLiterals.java:13:21: compiler.err.int.number.too.large: 111111111111111111111111111111111
     5.7 +BadBinaryLiterals.java:15:21: compiler.err.int.number.too.large: 11111111111111111111111111111111111111111111111111111111111111111
     5.8 +BadBinaryLiterals.java:16:27: compiler.err.expected: ';'
     5.9 +BadBinaryLiterals.java:17:27: compiler.err.expected: ';'
    5.10 +BadBinaryLiterals.java:17:30: compiler.err.expected: token.identifier
    5.11 +7 errors
     6.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     6.2 +++ b/test/tools/javac/literals/BadBinaryLiterals.7.out	Tue Sep 15 18:36:21 2009 -0700
     6.3 @@ -0,0 +1,7 @@
     6.4 +BadBinaryLiterals.java:11:24: compiler.err.expected: ';'
     6.5 +BadBinaryLiterals.java:13:21: compiler.err.int.number.too.large: 111111111111111111111111111111111
     6.6 +BadBinaryLiterals.java:15:21: compiler.err.int.number.too.large: 11111111111111111111111111111111111111111111111111111111111111111
     6.7 +BadBinaryLiterals.java:16:27: compiler.err.expected: ';'
     6.8 +BadBinaryLiterals.java:17:27: compiler.err.expected: ';'
     6.9 +BadBinaryLiterals.java:17:30: compiler.err.expected: token.identifier
    6.10 +6 errors
     7.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     7.2 +++ b/test/tools/javac/literals/BadBinaryLiterals.java	Tue Sep 15 18:36:21 2009 -0700
     7.3 @@ -0,0 +1,18 @@
     7.4 +/*
     7.5 + * @test /nodynamiccopyright/
     7.6 + * @bug 6860965
     7.7 + * @summary Project Coin: binary literals
     7.8 + * @compile/fail/ref=BadBinaryLiterals.6.out -XDrawDiagnostics -source 6 BadBinaryLiterals.java
     7.9 + * @compile/fail/ref=BadBinaryLiterals.7.out -XDrawDiagnostics BadBinaryLiterals.java
    7.10 + */
    7.11 +
    7.12 +public class BadBinaryLiterals {
    7.13 +    int valid = 0b0;            // valid literal, illegal in source 6
    7.14 +    int baddigit = 0b012;       // bad digit
    7.15 +                    //aaaabbbbccccddddeeeeffffgggghhhh
    7.16 +    int overflow1 = 0b111111111111111111111111111111111; // too long for int
    7.17 +                    //aaaabbbbccccddddeeeeffffgggghhhhiiiijjjjkkkkllllmmmmnnnnoooopppp
    7.18 +    int overflow2 = 0b11111111111111111111111111111111111111111111111111111111111111111L; // too long for long
    7.19 +    float badfloat1 = 0b01.01;  // no binary floats
    7.20 +    float badfloat2 = 0b01e01;  // no binary floats
    7.21 +}
     8.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     8.2 +++ b/test/tools/javac/literals/BadUnderscoreLiterals.6.out	Tue Sep 15 18:36:21 2009 -0700
     8.3 @@ -0,0 +1,21 @@
     8.4 +BadUnderscoreLiterals.java:14:17: compiler.err.unsupported.underscore: 1.6
     8.5 +BadUnderscoreLiterals.java:18:15: compiler.err.illegal.underscore
     8.6 +BadUnderscoreLiterals.java:22:19: compiler.err.illegal.underscore
     8.7 +BadUnderscoreLiterals.java:25:14: compiler.err.unsupported.binary.lit: 1.6
     8.8 +BadUnderscoreLiterals.java:25:16: compiler.err.illegal.underscore
     8.9 +BadUnderscoreLiterals.java:26:17: compiler.err.illegal.underscore
    8.10 +BadUnderscoreLiterals.java:29:16: compiler.err.illegal.underscore
    8.11 +BadUnderscoreLiterals.java:30:17: compiler.err.illegal.underscore
    8.12 +BadUnderscoreLiterals.java:33:17: compiler.err.illegal.underscore
    8.13 +BadUnderscoreLiterals.java:34:18: compiler.err.illegal.underscore
    8.14 +BadUnderscoreLiterals.java:35:19: compiler.err.illegal.underscore
    8.15 +BadUnderscoreLiterals.java:36:19: compiler.err.illegal.underscore
    8.16 +BadUnderscoreLiterals.java:37:18: compiler.err.illegal.underscore
    8.17 +BadUnderscoreLiterals.java:38:19: compiler.err.illegal.underscore
    8.18 +BadUnderscoreLiterals.java:41:19: compiler.err.illegal.underscore
    8.19 +BadUnderscoreLiterals.java:42:20: compiler.err.illegal.underscore
    8.20 +BadUnderscoreLiterals.java:43:21: compiler.err.illegal.underscore
    8.21 +BadUnderscoreLiterals.java:44:22: compiler.err.illegal.underscore
    8.22 +BadUnderscoreLiterals.java:45:21: compiler.err.illegal.underscore
    8.23 +BadUnderscoreLiterals.java:46:22: compiler.err.illegal.underscore
    8.24 +20 errors
     9.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     9.2 +++ b/test/tools/javac/literals/BadUnderscoreLiterals.7.out	Tue Sep 15 18:36:21 2009 -0700
     9.3 @@ -0,0 +1,19 @@
     9.4 +BadUnderscoreLiterals.java:18:15: compiler.err.illegal.underscore
     9.5 +BadUnderscoreLiterals.java:22:19: compiler.err.illegal.underscore
     9.6 +BadUnderscoreLiterals.java:25:16: compiler.err.illegal.underscore
     9.7 +BadUnderscoreLiterals.java:26:17: compiler.err.illegal.underscore
     9.8 +BadUnderscoreLiterals.java:29:16: compiler.err.illegal.underscore
     9.9 +BadUnderscoreLiterals.java:30:17: compiler.err.illegal.underscore
    9.10 +BadUnderscoreLiterals.java:33:17: compiler.err.illegal.underscore
    9.11 +BadUnderscoreLiterals.java:34:18: compiler.err.illegal.underscore
    9.12 +BadUnderscoreLiterals.java:35:19: compiler.err.illegal.underscore
    9.13 +BadUnderscoreLiterals.java:36:19: compiler.err.illegal.underscore
    9.14 +BadUnderscoreLiterals.java:37:18: compiler.err.illegal.underscore
    9.15 +BadUnderscoreLiterals.java:38:19: compiler.err.illegal.underscore
    9.16 +BadUnderscoreLiterals.java:41:19: compiler.err.illegal.underscore
    9.17 +BadUnderscoreLiterals.java:42:20: compiler.err.illegal.underscore
    9.18 +BadUnderscoreLiterals.java:43:21: compiler.err.illegal.underscore
    9.19 +BadUnderscoreLiterals.java:44:22: compiler.err.illegal.underscore
    9.20 +BadUnderscoreLiterals.java:45:21: compiler.err.illegal.underscore
    9.21 +BadUnderscoreLiterals.java:46:22: compiler.err.illegal.underscore
    9.22 +18 errors
    10.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    10.2 +++ b/test/tools/javac/literals/BadUnderscoreLiterals.java	Tue Sep 15 18:36:21 2009 -0700
    10.3 @@ -0,0 +1,48 @@
    10.4 +/*
    10.5 + * @test /nodynamiccopyright/
    10.6 + * @bug 6860973
    10.7 + * @summary Project Coin: underscores in literals
    10.8 + *
    10.9 + * @compile/fail BadUnderscoreLiterals.java
   10.10 + * @compile/fail/ref=BadUnderscoreLiterals.7.out -XDrawDiagnostics BadUnderscoreLiterals.java
   10.11 + *
   10.12 + * @compile/fail -source 6 BadUnderscoreLiterals.java
   10.13 + * @compile/fail/ref=BadUnderscoreLiterals.6.out -XDrawDiagnostics -source 6 BadUnderscoreLiterals.java
   10.14 + */
   10.15 +
   10.16 +public class BadUnderscoreLiterals {
   10.17 +    int valid = 1_1;            // valid literal; illegal in -source 6
   10.18 +
   10.19 +    // test zero
   10.20 +    int z1 = _0;                // valid (but undefined) variable
   10.21 +    int z2 = 0_;                // trailing underscore
   10.22 +
   10.23 +    // test simple (decimal) integers
   10.24 +    int i1 = _1_2_3;            // valid (but undefined) variable
   10.25 +    int i2 = 1_2_3_;            // trailing underscore
   10.26 +
   10.27 +    // test binary integers
   10.28 +    int b1 = 0b_0;              // leading underscore after radix
   10.29 +    int b2 = 0b0_;              // trailing underscore
   10.30 +
   10.31 +    // test hexadecimal integers
   10.32 +    int x1 = 0x_0;              // leading underscore after radix
   10.33 +    int x2 = 0x0_;              // trailing underscore
   10.34 +
   10.35 +    // test floating point numbers
   10.36 +    float f1 = 0_.1;            // trailing underscore before decimal point
   10.37 +    float f2 = 0._1;            // leading underscore after decimal point
   10.38 +    float f3 = 0.1_;            // trailing underscore
   10.39 +    float f4 = 0.1_e0;          // trailing underscore before exponent
   10.40 +    float f5 = 0e_1;            // leading underscore in exponent
   10.41 +    float f6 = 0e1_;            // trailing underscore in exponent
   10.42 +
   10.43 +    // hexadecimal floating point
   10.44 +    float xf1 = 0x_0.1p0;       // leading underscore after radix
   10.45 +    float xf2 = 0x0_.1p0;       // trailing underscore before decimal point
   10.46 +    float xf3 = 0x0._1p0;       // leading underscore after decimal point
   10.47 +    float xf4 = 0x0.1_p0;       // trailing underscore before exponent
   10.48 +    float xf5 = 0x0p_1;         // leading underscore after exponent
   10.49 +    float xf6 = 0x0p1_;         // trailing underscore
   10.50 +}
   10.51 +
    11.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    11.2 +++ b/test/tools/javac/literals/BinaryLiterals.java	Tue Sep 15 18:36:21 2009 -0700
    11.3 @@ -0,0 +1,132 @@
    11.4 +/*
    11.5 + * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
    11.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    11.7 + *
    11.8 + * This code is free software; you can redistribute it and/or modify it
    11.9 + * under the terms of the GNU General Public License version 2 only, as
   11.10 + * published by the Free Software Foundation.
   11.11 + *
   11.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
   11.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   11.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   11.15 + * version 2 for more details (a copy is included in the LICENSE file that
   11.16 + * accompanied this code).
   11.17 + *
   11.18 + * You should have received a copy of the GNU General Public License version
   11.19 + * 2 along with this work; if not, write to the Free Software Foundation,
   11.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   11.21 + *
   11.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
   11.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
   11.24 + * have any questions.
   11.25 + */
   11.26 +
   11.27 +/*
   11.28 + * @test
   11.29 + * @bug 6860965
   11.30 + * @summary Project Coin: binary literals
   11.31 + */
   11.32 +
   11.33 +public class BinaryLiterals {
   11.34 +    public static void main(String... args) throws Exception {
   11.35 +        new BinaryLiterals().run();
   11.36 +    }
   11.37 +
   11.38 +    public void run() throws Exception {
   11.39 +        test(0,  0B0);
   11.40 +        test(1,  0B1);
   11.41 +        test(2, 0B10);
   11.42 +        test(3, 0B11);
   11.43 +
   11.44 +        test(0,  0b0);
   11.45 +        test(1,  0b1);
   11.46 +        test(2, 0b10);
   11.47 +        test(3, 0b11);
   11.48 +
   11.49 +        test(-0,  -0b0);
   11.50 +        test(-1,  -0b1);
   11.51 +        test(-2, -0b10);
   11.52 +        test(-3, -0b11);
   11.53 +
   11.54 +        test(-1,  0b11111111111111111111111111111111);
   11.55 +        test(-2,  0b11111111111111111111111111111110);
   11.56 +        test(-3,  0b11111111111111111111111111111101);
   11.57 +
   11.58 +        test( 1, -0b11111111111111111111111111111111);
   11.59 +        test( 2, -0b11111111111111111111111111111110);
   11.60 +        test( 3, -0b11111111111111111111111111111101);
   11.61 +
   11.62 +        test(0,     0b00);
   11.63 +        test(1,    0b001);
   11.64 +        test(2,  0b00010);
   11.65 +        test(3, 0b000011);
   11.66 +
   11.67 +        //                 aaaabbbbccccddddeeeeffffgggghhhh
   11.68 +        test(      0x10,                            0b10000);
   11.69 +        test(     0x100,                        0b100000000);
   11.70 +        test(   0x10000,                0b10000000000000000);
   11.71 +        test(0x80000000, 0b10000000000000000000000000000000);
   11.72 +        test(0xffffffff, 0b11111111111111111111111111111111);
   11.73 +
   11.74 +        test(0L,  0b0L);
   11.75 +        test(1L,  0b1L);
   11.76 +        test(2L, 0b10L);
   11.77 +        test(3L, 0b11L);
   11.78 +
   11.79 +        test(0,     0b00L);
   11.80 +        test(1,    0b001L);
   11.81 +        test(2,  0b00010L);
   11.82 +        test(3, 0b000011L);
   11.83 +
   11.84 +        //                          aaaabbbbccccddddeeeeffffgggghhhhiiiijjjjkkkkllllmmmmnnnnoooopppp
   11.85 +        test(              0x10L,                                                            0b10000L);
   11.86 +        test(             0x100L,                                                        0b100000000L);
   11.87 +        test(           0x10000L,                                                0b10000000000000000L);
   11.88 +        test(        0x80000000L,                                 0b10000000000000000000000000000000L);
   11.89 +        test(        0xffffffffL,                                 0b11111111111111111111111111111111L);
   11.90 +        test(0x8000000000000000L, 0b1000000000000000000000000000000000000000000000000000000000000000L);
   11.91 +        test(0xffffffffffffffffL, 0b1111111111111111111111111111111111111111111111111111111111111111L);
   11.92 +
   11.93 +        test(0l,  0b0l);
   11.94 +        test(1l,  0b1l);
   11.95 +        test(2l, 0b10l);
   11.96 +        test(3l, 0b11l);
   11.97 +
   11.98 +        test(0,     0b00l);
   11.99 +        test(1,    0b001l);
  11.100 +        test(2,  0b00010l);
  11.101 +        test(3, 0b000011l);
  11.102 +
  11.103 +        //                          aaaabbbbccccddddeeeeffffgggghhhhiiiijjjjkkkkllllmmmmnnnnoooopppp
  11.104 +        test(              0x10l,                                                            0b10000l);
  11.105 +        test(             0x100l,                                                        0b100000000l);
  11.106 +        test(           0x10000l,                                                0b10000000000000000l);
  11.107 +        test(        0x80000000l,                                 0b10000000000000000000000000000000l);
  11.108 +        test(        0xffffffffl,                                 0b11111111111111111111111111111111l);
  11.109 +        test(0x8000000000000000l, 0b1000000000000000000000000000000000000000000000000000000000000000l);
  11.110 +        test(0xffffffffffffffffl, 0b1111111111111111111111111111111111111111111111111111111111111111l);
  11.111 +
  11.112 +        if (errors > 0)
  11.113 +             throw new Exception(errors + " errors found");
  11.114 +    }
  11.115 +
  11.116 +    void test(int expect, int found) {
  11.117 +        count++;
  11.118 +        if (found != expect)
  11.119 +            error("test " + count + "\nexpected: 0x" + Integer.toHexString(expect) + "\n   found: 0x" + Integer.toHexString(found));
  11.120 +    }
  11.121 +
  11.122 +    void test(long expect, long found) {
  11.123 +        count++;
  11.124 +        if (found != expect)
  11.125 +            error("test " + count + "\nexpected: 0x" + Long.toHexString(expect) + "\n   found: 0x" + Long.toHexString(found));
  11.126 +    }
  11.127 +
  11.128 +    void error(String message) {
  11.129 +        System.out.println(message);
  11.130 +        errors++;
  11.131 +    }
  11.132 +
  11.133 +    int count;
  11.134 +    int errors;
  11.135 +}
    12.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    12.2 +++ b/test/tools/javac/literals/UnderscoreLiterals.java	Tue Sep 15 18:36:21 2009 -0700
    12.3 @@ -0,0 +1,195 @@
    12.4 +/*
    12.5 + * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
    12.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    12.7 + *
    12.8 + * This code is free software; you can redistribute it and/or modify it
    12.9 + * under the terms of the GNU General Public License version 2 only, as
   12.10 + * published by the Free Software Foundation.
   12.11 + *
   12.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
   12.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   12.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   12.15 + * version 2 for more details (a copy is included in the LICENSE file that
   12.16 + * accompanied this code).
   12.17 + *
   12.18 + * You should have received a copy of the GNU General Public License version
   12.19 + * 2 along with this work; if not, write to the Free Software Foundation,
   12.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   12.21 + *
   12.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
   12.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
   12.24 + * have any questions.
   12.25 + */
   12.26 +
   12.27 +/*
   12.28 + * @test
   12.29 + * @bug 6860973
   12.30 + * @summary Project Coin: Underscores in literals
   12.31 + */
   12.32 +
   12.33 +
   12.34 +public class UnderscoreLiterals {
   12.35 +    public static void main(String... args) throws Exception {
   12.36 +        new UnderscoreLiterals().run();
   12.37 +    }
   12.38 +
   12.39 +    public void run() throws Exception {
   12.40 +        // decimal
   12.41 +        test(1, 1);
   12.42 +        test(10, 10);
   12.43 +        test(1_0, 10);
   12.44 +        test(1__0, 10);
   12.45 +        test(1_0_0, 100);
   12.46 +        test(1__0__0, 100);
   12.47 +        test(123_456_789, 123456789);
   12.48 +
   12.49 +        // long
   12.50 +        test(1l, 1l);
   12.51 +        test(10l, 10l);
   12.52 +        test(1_0l, 10l);
   12.53 +        test(1__0l, 10l);
   12.54 +        test(1_0_0l, 100l);
   12.55 +        test(1__0__0l, 100l);
   12.56 +        test(123_456_789l, 123456789l);
   12.57 +
   12.58 +        // float
   12.59 +        test(.1f, .1f);
   12.60 +        test(.10f, .10f);
   12.61 +        test(.1_0f, .10f);
   12.62 +        test(.1__0f, .10f);
   12.63 +        test(.1_0_0f, .100f);
   12.64 +        test(.1__0__0f, .100f);
   12.65 +        test(1e1, 1e1);
   12.66 +        test(1e10, 1e10);
   12.67 +        test(1e1_0, 1e10);
   12.68 +        test(1e1__0, 1e10);
   12.69 +        test(1e1_0_0, 1e100);
   12.70 +        test(1e1__0__0, 1e100);
   12.71 +        test(.123_456_789f, .123456789f);
   12.72 +        test(0.1f, 0.1f);
   12.73 +        test(0.10f, 0.10f);
   12.74 +        test(0.1_0f, 0.10f);
   12.75 +        test(0.1__0f, 0.10f);
   12.76 +        test(0.1_0_0f, 0.100f);
   12.77 +        test(0.1__0__0f, 0.100f);
   12.78 +        test(0.123_456_789f, 0.123456789f);
   12.79 +        test(1_1.1f, 1_1.1f);
   12.80 +        test(1_1.10f, 1_1.10f);
   12.81 +        test(1_1.1_0f, 1_1.10f);
   12.82 +        test(1_1.1__0f, 1_1.10f);
   12.83 +        test(1_1.1_0_0f, 1_1.100f);
   12.84 +        test(1_1.1__0__0f, 1_1.100f);
   12.85 +        test(1_1.123_456_789f, 1_1.123456789f);
   12.86 +
   12.87 +        // double
   12.88 +        test(.1d, .1d);
   12.89 +        test(.10d, .10d);
   12.90 +        test(.1_0d, .10d);
   12.91 +        test(.1__0d, .10d);
   12.92 +        test(.1_0_0d, .100d);
   12.93 +        test(.1__0__0d, .100d);
   12.94 +        test(1e1, 1e1);
   12.95 +        test(1e10, 1e10);
   12.96 +        test(1e1_0, 1e10);
   12.97 +        test(1e1__0, 1e10);
   12.98 +        test(1e1_0_0, 1e100);
   12.99 +        test(1e1__0__0, 1e100);
  12.100 +        test(.123_456_789d, .123456789d);
  12.101 +        test(0.1d, 0.1d);
  12.102 +        test(0.10d, 0.10d);
  12.103 +        test(0.1_0d, 0.10d);
  12.104 +        test(0.1__0d, 0.10d);
  12.105 +        test(0.1_0_0d, 0.100d);
  12.106 +        test(0.1__0__0d, 0.100d);
  12.107 +        test(0.123_456_789d, 0.123456789d);
  12.108 +        test(1_1.1d, 1_1.1d);
  12.109 +        test(1_1.10d, 1_1.10d);
  12.110 +        test(1_1.1_0d, 1_1.10d);
  12.111 +        test(1_1.1__0d, 1_1.10d);
  12.112 +        test(1_1.1_0_0d, 1_1.100d);
  12.113 +        test(1_1.1__0__0d, 1_1.100d);
  12.114 +        test(1_1.123_456_789d, 1_1.123456789d);
  12.115 +
  12.116 +        // binary
  12.117 +        test(0b1, 1);
  12.118 +        test(0b10, 2);
  12.119 +        test(0b1_0, 2);
  12.120 +        test(0b1__0, 2);
  12.121 +        test(0b1_0_0, 4);
  12.122 +        test(0b1__0__0, 4);
  12.123 +        test(0b0001_0010_0011, 0x123);
  12.124 +
  12.125 +        // octal
  12.126 +        test(01, 1);
  12.127 +        test(010, 8);
  12.128 +        test(01_0, 8);
  12.129 +        test(01__0, 8);
  12.130 +        test(01_0_0, 64);
  12.131 +        test(01__0__0, 64);
  12.132 +        test(0_1, 1);
  12.133 +        test(0_10, 8);
  12.134 +        test(0_1_0, 8);
  12.135 +        test(0_1__0, 8);
  12.136 +        test(0_1_0_0, 64);
  12.137 +        test(0_1__0__0, 64);
  12.138 +        test(0_001_002_003, 01002003);
  12.139 +
  12.140 +        // hexadecimal
  12.141 +        test(0x1, 1);
  12.142 +        test(0x10, 16);
  12.143 +        test(0x1_0, 16);
  12.144 +        test(0x1__0, 16);
  12.145 +        test(0x1_0_0, 256);
  12.146 +        test(0x1__0__0, 256);
  12.147 +        test(0x01_02_03_04, 0x1020304);
  12.148 +
  12.149 +        // misc
  12.150 +        long creditCardNumber = 1234_5678_9012_3456L;
  12.151 +        test(creditCardNumber, 1234567890123456L);
  12.152 +        long socialSecurityNumbers = 999_99_9999L;
  12.153 +        test(socialSecurityNumbers, 999999999L);
  12.154 +        double monetaryAmount = 12_345_132.12d;
  12.155 +        test(monetaryAmount, 12345132.12d);
  12.156 +        long hexBytes = 0xFF_EC_DE_5E;
  12.157 +        test(hexBytes, 0xffecde5e);
  12.158 +        long hexWords = 0xFFEC_DE5E;
  12.159 +        test(hexWords, 0xffecde5e);
  12.160 +        long maxLong = 0x7fff_ffff_ffff_ffffL;
  12.161 +        test(maxLong, 0x7fffffffffffffffL);
  12.162 +        long maxLongDecimal = 9223372036854775807L;
  12.163 +        long alsoMaxLong = 9_223_372_036_854_775_807L;
  12.164 +        test(alsoMaxLong, maxLongDecimal);
  12.165 +        double whyWouldYouEverDoThis = 0x1.ffff_ffff_ffff_fp10_23;
  12.166 +        double whyWouldYouEverDoEvenThis = 0x1.fffffffffffffp1023;
  12.167 +        test(whyWouldYouEverDoThis, whyWouldYouEverDoEvenThis);
  12.168 +
  12.169 +        if (errors > 0)
  12.170 +             throw new Exception(errors + " errors found");
  12.171 +    }
  12.172 +
  12.173 +    void test(int value, int expect) {
  12.174 +        count++;
  12.175 +        if (value != expect)
  12.176 +            error("test " + count + "\nexpected: 0x" + Integer.toHexString(expect) + "\n   found: 0x" + Integer.toHexString(value));
  12.177 +    }
  12.178 +
  12.179 +    void test(double value, double expect) {
  12.180 +        count++;
  12.181 +        if (value != expect)
  12.182 +            error("test " + count + "\nexpected: 0x" + expect + "\n   found: 0x" + value);
  12.183 +    }
  12.184 +
  12.185 +    void test(long value, long expect) {
  12.186 +        count++;
  12.187 +        if (value != expect)
  12.188 +            error("test " + count + "\nexpected: 0x" + Long.toHexString(expect) + "\n   found: 0x" + Long.toHexString(value));
  12.189 +    }
  12.190 +
  12.191 +    void error(String message) {
  12.192 +        System.out.println(message);
  12.193 +        errors++;
  12.194 +    }
  12.195 +
  12.196 +    int count;
  12.197 +    int errors;
  12.198 +}

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