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comparison graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/expression/DSLExpressionResolver.java @ 20169:65d29fa81397

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DSL: add support for hex, oct and binary integer literals.
author Chris Seaton <chris.seaton@oracle.com>
date Sun, 05 Apr 2015 19:51:46 +0100
parents ef292a5bb79d
children 953c813b8e7a
comparison
equal deleted inserted replaced
20168:f0f725496f2a 20169:65d29fa81397
224 } 224 }
225 225
226 public void visitIntLiteral(IntLiteral binary) { 226 public void visitIntLiteral(IntLiteral binary) {
227 try { 227 try {
228 binary.setResolvedType(context.getType(int.class)); 228 binary.setResolvedType(context.getType(int.class));
229 binary.setResolvedValueInt(Integer.parseInt(binary.getLiteral())); 229
230 final int base;
231 final String literal;
232
233 if (binary.getLiteral().startsWith("0x")) {
234 base = 16;
235 literal = binary.getLiteral().substring(2);
236 } else if (binary.getLiteral().startsWith("0b")) {
237 base = 2;
238 literal = binary.getLiteral().substring(2);
239 } else if (binary.getLiteral().startsWith("0")) {
240 base = 8;
241 literal = binary.getLiteral();
242 } else {
243 base = 10;
244 literal = binary.getLiteral();
245 }
246
247 binary.setResolvedValueInt(Integer.parseInt(literal, base));
230 } catch (NumberFormatException e) { 248 } catch (NumberFormatException e) {
231 throw new InvalidExpressionException(String.format("Type mismatch: cannot convert from String '%s' to int", binary.getLiteral())); 249 throw new InvalidExpressionException(String.format("Type mismatch: cannot convert from String '%s' to int", binary.getLiteral()));
232 } 250 }
233 } 251 }
234 252