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non canonical tree in java
- From: Nathan Sidwell <nathan at codesourcery dot com>
- To: Tom Tromey <tromey at redhat dot com>, Andrew Haley <aph at redhat dot com>
- Cc: gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Wed, 03 Aug 2005 18:48:50 +0100
- Subject: non canonical tree in java
java is creating a COMPONENT_REF node where the first operand is a RECORD_TYPE,
rather than an expresion or DECL node. This is created at java/class.c:1014
prim_class = lookup_class (get_identifier (prim_class_name));
return build3 (COMPONENT_REF, NULL_TREE,
prim_class, TYPE_identifier_node, NULL_TREE);
here PRIM_CLASS is the RECORD_TYPE of the class. This usage disagrees with the
requirements for a COMPONENT_REF in tree.def
/* Value is structure or union component.
Operand 0 is the structure or union (an expression).
Operand 1 is the field (a node of type FIELD_DECL).
Operand 2, if present, is the value of DECL_FIELD_OFFSET, measured
in units of DECL_OFFSET_ALIGN / BITS_PER_UNIT. */
DEFTREECODE (COMPONENT_REF, "component_ref", tcc_reference, 3)
it is interfering with some cleanups I'm trying to do. What would be the best
way of making java compliant? Have lookup_class return a suitable VAR_DECL
node? I'm not sure where this then gets used ...
nathan
--
Nathan Sidwell :: http://www.codesourcery.com :: CodeSourcery LLC
nathan@codesourcery.com :: http://www.planetfall.pwp.blueyonder.co.uk