* net/loveruby/cflat/compiler/CodeGenerator.java (compileStmt): output statement number and line number as comment.
* net/loveruby/cflat/ast/ArefNode.java: new method #isMultiDimension.
* net/loveruby/cflat/ast/ArefNode.java: new method #baseExpr.
* net/loveruby/cflat/ast/ArefNode.java: new method #elementSize.
* net/loveruby/cflat/ast/ArefNode.java: new method #length.
* net/loveruby/cflat/type/ArrayType.java: add comment.
* test: test multi-dimension array access.
git-svn-id: file:///Users/aamine/c/gitwork/public/cbc/trunk@4007 1b9489fe-b721-0410-924e-b54b9192deb8