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AST Export / External Linkage #10

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Merged
merged 3 commits into from
May 2, 2020
Merged

AST Export / External Linkage #10

merged 3 commits into from
May 2, 2020

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kooldev
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@kooldev kooldev commented May 2, 2020

Implements AST export of attributes and adds a test case. Refactored attributes header to provide external linkage and ZEND_API to fix linker errors.

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kooldev commented May 2, 2020

@beberlei This should be ready to merge.

@beberlei beberlei merged commit bd1e66b into beberlei:attributes_v2_rfc May 2, 2020
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beberlei commented May 2, 2020

@kooldev looks good! Thank you

@kooldev kooldev deleted the PrintAst branch May 23, 2020 11:38
beberlei pushed a commit that referenced this pull request Jun 19, 2021
The following opcodes would be generated:

  ...
  BB1:
  0003 JMP BB3

  BB2:
  0004 INIT_FCALL 1 96 string("chr")
  0005 #10.T3 [long] = SR #3.CV0($int) [long] #7.CV2($i) ...
  0006 #11.T4 [long] RANGE[0..127] = BW_AND #10.T3 [long] ...
  0007 #12.T3 [long] RANGE[128..255] = BW_OR #11.T4 [long] ...
  0008 SEND_VAL #12.T3 [long] RANGE[128..255] 1
  0009 #13.V3 [ref, rc1, rcn, any] = DO_ICALL
  0010 ASSIGN_OP (CONCAT) #6.CV1($out) [rc1, rcn, string]
  0011 ADD #7.CV2($i)... int(7) #7.CV2($i) ... -> #15.CV2($i) ...

  BB3:
  0012 #8.T4 [long] = SR #3.CV0($int) #7.CV2($i) [long, double]
  0013 #9.T3 [bool] RANGE[0..1] = IS_SMALLER int(128) #8.T4
  0014 JMPNZ #9.T3 [bool] RANGE[0..1] BB2
  ...

Main changes are:
1. SR opcode covers new path in function zend_jit_long_math_helper().
2. BW_AND and BW_OR opcodes are supported. See macro LONG_OP.
3. Function zend_jit_concat_helper() is added to support ASSIGN_OP
opcode. Speficically, CONCAT and FAST_CONCAT is supported for statements
"$out .= ...".
4. New path is covered in function zend_jit_cmp_long_long() by
IS_SMALLER opcode.
5. New path is covered in macros ZVAL_PTR_DTOR and ZVAL_DTOR_FUNC when
leaving.
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2 participants