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Lines 90-96
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| 90 |
return r == 0 ? false : true; |
90 |
return r == 0 ? false : true; |
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} |
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} |
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// Fixup: this hack is added due to bug in jdk6 Update 10 (see IZ#150693) |
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private long counter = 0; |
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private final long MAX_COUNTER = Long.MAX_VALUE - 2; |
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private long toLong(boolean b) { |
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private long toLong(boolean b) { |
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// Fixup: this hack is added due to bug in jdk6 Update 10 (see IZ#150693) |
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if (counter++ == MAX_COUNTER) { |
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System.err.print("toLong " + b); |
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} |
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return b ? 1 : 0; |
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return b ? 1 : 0; |
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} |
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} |
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Lines 191-337
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| 191 |
// | f2: FLOATTWO {r=Integer.parseInt(f2.getText());} |
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// | f2: FLOATTWO {r=Integer.parseInt(f2.getText());} |
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; |
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; |
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/* APTExpressionWalker is not used any more, because all evaluations are done in APTExprParser |
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class APTExpressionWalker extends TreeParser; |
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{ |
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private APTMacroCallback callback = null; |
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public APTExpressionWalker(APTMacroCallback callback) { |
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this.callback = callback; |
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} |
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private boolean isDefined(AST id) { |
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if (id != null && callback != null) { |
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return callback.isDefined(getToken(id)); |
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} |
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return false; |
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} |
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private Token astToken = new CommonToken(); |
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private Token getToken(AST ast) { |
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astToken.setType(ast.getType()); |
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astToken.setText(ast.getText()); |
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return astToken; |
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} |
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private long evalID(AST id) { |
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// each not expanded ID in expression is '0' by specification |
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return 0; |
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} |
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private boolean toBoolean(long r) { |
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return r == 0 ? false : true; |
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} |
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private long toLong(boolean b) { |
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return b ? 1 : 0; |
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} |
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private long toLong(String str) { |
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long val = Long.MAX_VALUE; |
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try { |
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val = Long.decode(remSuffix(str)).longValue(); |
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} catch (NumberFormatException ex) { |
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//ex.printStackTrace(System.err); |
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} |
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return val; |
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} |
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|
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private String remSuffix(String num) { |
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int len = num.length(); |
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boolean stop; |
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do { |
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stop = true; |
| 244 |
if (len > 0) { |
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char last = num.charAt(len - 1); |
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// remove postfix like u, U, l, L |
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if (last == 'u' || last == 'U' || last == 'l' || last == 'L') { |
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num = num.substring(0, len - 1); |
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len--; |
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stop = false; |
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} |
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} |
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} while (!stop); |
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return num; |
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} |
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} |
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expr returns [long r] |
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{ |
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long a,b; |
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long q; |
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boolean def; |
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r=0; |
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} |
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: #(QUESTIONMARK q=expr a=expr b=expr) { r = toBoolean(q)?a:b;} |
| 266 |
| #(OR a=expr b=expr) { r=toLong(toBoolean(a)||toBoolean(b)); } |
| 267 |
| #(AND a=expr b=expr) { r=toLong(toBoolean(a)&&toBoolean(b)); } |
| 268 |
| #(BITWISEOR a=expr b=expr) { r= a | b; } |
| 269 |
| #(BITWISEXOR a=expr b=expr) { r= a ^ b; } |
| 270 |
| #(AMPERSAND a=expr b=expr) { r= a & b; } |
| 271 |
| #(EQUAL a=expr b=expr) { r= toLong(a == b); } |
| 272 |
| #(NOTEQUAL a=expr b=expr) { r= toLong(a != b); } |
| 273 |
| #(LESSTHAN a=expr b=expr) { r= toLong(a < b); } |
| 274 |
| #(LESSTHANOREQUALTO a=expr b=expr) { r= toLong(a <= b); } |
| 275 |
| #(GREATERTHAN a=expr b=expr) { r= toLong(a > b); } |
| 276 |
| #(GREATERTHANOREQUALTO a=expr b=expr) { r= toLong(a >= b); } |
| 277 |
| #(SHIFTLEFT a=expr b=expr) { r= a << b; } |
| 278 |
| #(SHIFTRIGHT a=expr b=expr) { r= a >> b; } |
| 279 |
| #(PLUS a=expr b=expr) { r=a+b; } |
| 280 |
| #(MINUS a=expr b=expr) { r=a-b; } |
| 281 |
| #(STAR a=expr b=expr) { r=a*b; } |
| 282 |
| #(DIVIDE a=expr b=expr) |
| 283 |
{ |
| 284 |
try { |
| 285 |
r=a/b; |
| 286 |
} catch (ArithmeticException ex) { |
| 287 |
//System.err.println(ex); |
| 288 |
r = 0; |
| 289 |
} |
| 290 |
} |
| 291 |
| #(MOD a=expr b=expr) |
| 292 |
{ |
| 293 |
try { |
| 294 |
r=a%b; |
| 295 |
} catch (ArithmeticException ex) { |
| 296 |
//System.err.println(ex); |
| 297 |
r = 0; |
| 298 |
} |
| 299 |
} |
| 300 |
| #(SIGN_MINUS a=expr) { r=-1*a; } |
| 301 |
| #(SIGN_PLUS a=expr) { r= (a<0) ? 0-a : a; } |
| 302 |
| #(DEFINED def=defined) {r=toLong(def);} |
| 303 |
| #(NOT a=expr) { r=toLong(!toBoolean(a)); } |
| 304 |
| #(TILDE a=expr) { r=~a; } |
| 305 |
| #(LPAREN a=expr) { r=a; } |
| 306 |
| LITERAL_true { r=toLong(true);} |
| 307 |
| LITERAL_false { r=toLong(false);} |
| 308 |
| n:NUMBER {r=toLong(n.getText());} |
| 309 |
| id: ID {r=evalID(id);} |
| 310 |
// | i:constant { r=(double)Integer.parseInt(i.getText()); } |
| 311 |
| o:OCTALINT {r=toLong(o.getText());} |
| 312 |
| d:DECIMALINT {r=toLong(d.getText());} |
| 313 |
| x:HEXADECIMALINT {r=toLong(x.getText());} |
| 314 |
| c: CHAR_LITERAL { r=c.getText().charAt(1); } |
| 315 |
// | f1: FLOATONE {r=Integer.parseInt(f1.getText());} |
| 316 |
// | f2: FLOATTWO {r=Integer.parseInt(f2.getText());} |
| 317 |
| EOF { r = 0; } |
| 318 |
; |
| 319 |
|
| 320 |
defined returns [boolean r] |
| 321 |
{ r=false; } : id: ID_DEFINED { r = isDefined(id); } |
| 322 |
; |
| 323 |
|
| 324 |
/* |
| 325 |
constant return [long r] |
| 326 |
{ r=10; } |
| 327 |
: #(OCTALINT) |
| 328 |
| #(DECIMALINT) |
| 329 |
| #(HEXADECIMALINT) |
| 330 |
// | CharLiteral |
| 331 |
// | (StringLiteral)+ |
| 332 |
| #(FLOATONE) |
| 333 |
| #(FLOATTWO) |
| 334 |
| #(LITERAL_true) |
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| #(LITERAL_false) |
| 336 |
; |
| 337 |
*/ |