> This PR includes changes to ensure `Code:` block indentation in `javap`for > the `-verbose` case and non `-verbose` case is the same, which currently does > not hold. > > Current behaviour of `javap` differs with and without `-verbose` in the > following way: > **Command**: `javap -c -XDdetails:stackMaps A.class` > > Without `-verbose` > > > ... > public void a(); > Code: > 0: iconst_0 > 1: istore_1 > StackMap locals: this int > StackMap stack: > ... > > > With `-verbose` > > > ... > public void a(); > descriptor: ()V > flags: (0x0001) ACC_PUBLIC > Code: > stack=2, locals=2, args_size=1 > 0: iconst_0 > 1: istore_1 > StackMap locals: this int > StackMap stack: > ... > > > With `-verbose` all contents of the `Code:` section include an extra (2 > space) indent, which is missing in the non `-verbose` case. This is because > the `CodeWriter` is called via `CoderWriter.write(...)` in the `-verbose` > case, which wraps the `Code:` block in `indent(+1);...indent(-1)`. > > In the non-verbose case this call is circumvented and a simplified version of > `CoderWriter.write(...)` is included directly in `ClassWriter.writeMethod`. > > --- > > Alternatively to keep the logic within `CodeWriter` with the goal of keeping > the logic for `-verbose` and non `-verbose` in the same place one could add > `CodeWriter.writeSimple(...)`. > > > void writeSimple(CodeAttribute attr) { > println("Code:"); > indent(+1); > writeInstrs(attr); > writeExceptionTable(attr); > indent(-1); > } > > > --- > > Note: Test setup is inspired by existing tests: > [T6622232.java](https://github.com/openjdk/jdk/blob/master/test/langtools/tools/javap/T6622232.java) > and > [8244573](https://github.com/openjdk/jdk/blob/master/test/langtools/tools/javap/8244573)
Jonathan Lampérth has updated the pull request incrementally with two additional commits since the last revision: - adress feedback in implementation - address feedback in tests ------------- Changes: - all: https://git.openjdk.org/jdk/pull/21685/files - new: https://git.openjdk.org/jdk/pull/21685/files/ac915325..bd6372ce Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=21685&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21685&range=00-01 Stats: 382 lines in 5 files changed: 127 ins; 249 del; 6 mod Patch: https://git.openjdk.org/jdk/pull/21685.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21685/head:pull/21685 PR: https://git.openjdk.org/jdk/pull/21685