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This patch is the initial preparation for implementation of aspect specifications (AI05-0183-1/04). It just defines the tree structure, but there is no parsing action yet to recognize the node. No test, since no functional effect. Tested on x86_64-pc-linux-gnu, committed on trunk 2010-10-11 Robert Dewar <dewar@adacore.com> * atree.h, atree.ads, atree.adb (Flag3): New flag (replaces Unused_1) * csinfo.adb: Aspect_Specifications is a new special field * einfo.adb (Flag3): New unused flag * exp_util.adb (Insert_Actions): Add processing for N_Aspect_Specification. * sem.adb: Add entry for N_Aspect_Specification. * sinfo.ads, sinfo.adb (N_Aspect_Specification): New node (Has_Aspect_Specifications): New flag (Permits_Aspect_Specifications): New function (Aspect_Specifications): New function (Set_Aspect_Specifications): New procedure * sprint.adb (Sprint_Node): Put N_At_Clause in proper alpha order (Sprint_Node): Add dummy entry for N_Aspect_Specification * treepr.adb (Flag3): New flag to be listed
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