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authorMartin Liska <mliska@suse.cz>2022-01-14 16:56:44 +0100
committerMartin Liska <mliska@suse.cz>2022-01-17 22:12:04 +0100
commit5c69acb32329d49e58c26fa41ae74229a52b9106 (patch)
treeddb05f9d73afb6f998457d2ac4b720e3b3b60483 /gcc/cp/method.c
parent490e23032baaece71f2ec09fa1805064b150fbc2 (diff)
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Rename .c files to .cc files.
gcc/ada/ChangeLog: * adadecode.c: Moved to... * adadecode.cc: ...here. * affinity.c: Moved to... * affinity.cc: ...here. * argv-lynxos178-raven-cert.c: Moved to... * argv-lynxos178-raven-cert.cc: ...here. * argv.c: Moved to... * argv.cc: ...here. * aux-io.c: Moved to... * aux-io.cc: ...here. * cio.c: Moved to... * cio.cc: ...here. * cstreams.c: Moved to... * cstreams.cc: ...here. * env.c: Moved to... * env.cc: ...here. * exit.c: Moved to... * exit.cc: ...here. * expect.c: Moved to... * expect.cc: ...here. * final.c: Moved to... * final.cc: ...here. * gcc-interface/cuintp.c: Moved to... * gcc-interface/cuintp.cc: ...here. * gcc-interface/decl.c: Moved to... * gcc-interface/decl.cc: ...here. * gcc-interface/misc.c: Moved to... * gcc-interface/misc.cc: ...here. * gcc-interface/targtyps.c: Moved to... * gcc-interface/targtyps.cc: ...here. * gcc-interface/trans.c: Moved to... * gcc-interface/trans.cc: ...here. * gcc-interface/utils.c: Moved to... * gcc-interface/utils.cc: ...here. * gcc-interface/utils2.c: Moved to... * gcc-interface/utils2.cc: ...here. * init.c: Moved to... * init.cc: ...here. * initialize.c: Moved to... * initialize.cc: ...here. * libgnarl/thread.c: Moved to... * libgnarl/thread.cc: ...here. * link.c: Moved to... * link.cc: ...here. * locales.c: Moved to... * locales.cc: ...here. * mkdir.c: Moved to... * mkdir.cc: ...here. * raise.c: Moved to... * raise.cc: ...here. * rtfinal.c: Moved to... * rtfinal.cc: ...here. * rtinit.c: Moved to... * rtinit.cc: ...here. * seh_init.c: Moved to... * seh_init.cc: ...here. * sigtramp-armdroid.c: Moved to... * sigtramp-armdroid.cc: ...here. * sigtramp-ios.c: Moved to... * sigtramp-ios.cc: ...here. * sigtramp-qnx.c: Moved to... * sigtramp-qnx.cc: ...here. * sigtramp-vxworks.c: Moved to... * sigtramp-vxworks.cc: ...here. * socket.c: Moved to... * socket.cc: ...here. * tracebak.c: Moved to... * tracebak.cc: ...here. * version.c: Moved to... * version.cc: ...here. * vx_stack_info.c: Moved to... * vx_stack_info.cc: ...here. gcc/ChangeLog: * adjust-alignment.c: Moved to... * adjust-alignment.cc: ...here. * alias.c: Moved to... * alias.cc: ...here. * alloc-pool.c: Moved to... * alloc-pool.cc: ...here. * asan.c: Moved to... * asan.cc: ...here. * attribs.c: Moved to... * attribs.cc: ...here. * auto-inc-dec.c: Moved to... * auto-inc-dec.cc: ...here. * auto-profile.c: Moved to... * auto-profile.cc: ...here. * bb-reorder.c: Moved to... * bb-reorder.cc: ...here. * bitmap.c: Moved to... * bitmap.cc: ...here. * btfout.c: Moved to... * btfout.cc: ...here. * builtins.c: Moved to... * builtins.cc: ...here. * caller-save.c: Moved to... * caller-save.cc: ...here. * calls.c: Moved to... * calls.cc: ...here. * ccmp.c: Moved to... * ccmp.cc: ...here. * cfg.c: Moved to... * cfg.cc: ...here. * cfganal.c: Moved to... * cfganal.cc: ...here. * cfgbuild.c: Moved to... * cfgbuild.cc: ...here. * cfgcleanup.c: Moved to... * cfgcleanup.cc: ...here. * cfgexpand.c: Moved to... * cfgexpand.cc: ...here. * cfghooks.c: Moved to... * cfghooks.cc: ...here. * cfgloop.c: Moved to... * cfgloop.cc: ...here. * cfgloopanal.c: Moved to... * cfgloopanal.cc: ...here. * cfgloopmanip.c: Moved to... * cfgloopmanip.cc: ...here. * cfgrtl.c: Moved to... * cfgrtl.cc: ...here. * cgraph.c: Moved to... * cgraph.cc: ...here. * cgraphbuild.c: Moved to... * cgraphbuild.cc: ...here. * cgraphclones.c: Moved to... * cgraphclones.cc: ...here. * cgraphunit.c: Moved to... * cgraphunit.cc: ...here. * collect-utils.c: Moved to... * collect-utils.cc: ...here. * collect2-aix.c: Moved to... * collect2-aix.cc: ...here. * collect2.c: Moved to... * collect2.cc: ...here. * combine-stack-adj.c: Moved to... * combine-stack-adj.cc: ...here. * combine.c: Moved to... * combine.cc: ...here. * common/common-targhooks.c: Moved to... * common/common-targhooks.cc: ...here. * common/config/aarch64/aarch64-common.c: Moved to... * common/config/aarch64/aarch64-common.cc: ...here. * common/config/alpha/alpha-common.c: Moved to... * common/config/alpha/alpha-common.cc: ...here. * common/config/arc/arc-common.c: Moved to... * common/config/arc/arc-common.cc: ...here. * common/config/arm/arm-common.c: Moved to... * common/config/arm/arm-common.cc: ...here. * common/config/avr/avr-common.c: Moved to... * common/config/avr/avr-common.cc: ...here. * common/config/bfin/bfin-common.c: Moved to... * common/config/bfin/bfin-common.cc: ...here. * common/config/bpf/bpf-common.c: Moved to... * common/config/bpf/bpf-common.cc: ...here. * common/config/c6x/c6x-common.c: Moved to... * common/config/c6x/c6x-common.cc: ...here. * common/config/cr16/cr16-common.c: Moved to... * common/config/cr16/cr16-common.cc: ...here. * common/config/cris/cris-common.c: Moved to... * common/config/cris/cris-common.cc: ...here. * common/config/csky/csky-common.c: Moved to... * common/config/csky/csky-common.cc: ...here. * common/config/default-common.c: Moved to... * common/config/default-common.cc: ...here. * common/config/epiphany/epiphany-common.c: Moved to... * common/config/epiphany/epiphany-common.cc: ...here. * common/config/fr30/fr30-common.c: Moved to... * common/config/fr30/fr30-common.cc: ...here. * common/config/frv/frv-common.c: Moved to... * common/config/frv/frv-common.cc: ...here. * common/config/gcn/gcn-common.c: Moved to... * common/config/gcn/gcn-common.cc: ...here. * common/config/h8300/h8300-common.c: Moved to... * common/config/h8300/h8300-common.cc: ...here. * common/config/i386/i386-common.c: Moved to... * common/config/i386/i386-common.cc: ...here. * common/config/ia64/ia64-common.c: Moved to... * common/config/ia64/ia64-common.cc: ...here. * common/config/iq2000/iq2000-common.c: Moved to... * common/config/iq2000/iq2000-common.cc: ...here. * common/config/lm32/lm32-common.c: Moved to... * common/config/lm32/lm32-common.cc: ...here. * common/config/m32r/m32r-common.c: Moved to... * common/config/m32r/m32r-common.cc: ...here. * common/config/m68k/m68k-common.c: Moved to... * common/config/m68k/m68k-common.cc: ...here. * common/config/mcore/mcore-common.c: Moved to... * common/config/mcore/mcore-common.cc: ...here. * common/config/microblaze/microblaze-common.c: Moved to... * common/config/microblaze/microblaze-common.cc: ...here. * common/config/mips/mips-common.c: Moved to... * common/config/mips/mips-common.cc: ...here. * common/config/mmix/mmix-common.c: Moved to... * common/config/mmix/mmix-common.cc: ...here. * common/config/mn10300/mn10300-common.c: Moved to... * common/config/mn10300/mn10300-common.cc: ...here. * common/config/msp430/msp430-common.c: Moved to... * common/config/msp430/msp430-common.cc: ...here. * common/config/nds32/nds32-common.c: Moved to... * common/config/nds32/nds32-common.cc: ...here. * common/config/nios2/nios2-common.c: Moved to... * common/config/nios2/nios2-common.cc: ...here. * common/config/nvptx/nvptx-common.c: Moved to... * common/config/nvptx/nvptx-common.cc: ...here. * common/config/or1k/or1k-common.c: Moved 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common/config/tilepro/tilepro-common.c: Moved to... * common/config/tilepro/tilepro-common.cc: ...here. * common/config/v850/v850-common.c: Moved to... * common/config/v850/v850-common.cc: ...here. * common/config/vax/vax-common.c: Moved to... * common/config/vax/vax-common.cc: ...here. * common/config/visium/visium-common.c: Moved to... * common/config/visium/visium-common.cc: ...here. * common/config/xstormy16/xstormy16-common.c: Moved to... * common/config/xstormy16/xstormy16-common.cc: ...here. * common/config/xtensa/xtensa-common.c: Moved to... * common/config/xtensa/xtensa-common.cc: ...here. * compare-elim.c: Moved to... * compare-elim.cc: ...here. * config/aarch64/aarch64-bti-insert.c: Moved to... * config/aarch64/aarch64-bti-insert.cc: ...here. * config/aarch64/aarch64-builtins.c: Moved to... * config/aarch64/aarch64-builtins.cc: ...here. * config/aarch64/aarch64-c.c: Moved to... * config/aarch64/aarch64-c.cc: ...here. * config/aarch64/aarch64-d.c: Moved to... * 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config/arm/arm-builtins.c: Moved to... * config/arm/arm-builtins.cc: ...here. * config/arm/arm-c.c: Moved to... * config/arm/arm-c.cc: ...here. * config/arm/arm-d.c: Moved to... * config/arm/arm-d.cc: ...here. * config/arm/arm.c: Moved to... * config/arm/arm.cc: ...here. * config/arm/driver-arm.c: Moved to... * config/arm/driver-arm.cc: ...here. * config/avr/avr-c.c: Moved to... * config/avr/avr-c.cc: ...here. * config/avr/avr-devices.c: Moved to... * config/avr/avr-devices.cc: ...here. * config/avr/avr-log.c: Moved to... * config/avr/avr-log.cc: ...here. * config/avr/avr.c: Moved to... * config/avr/avr.cc: ...here. * config/avr/driver-avr.c: Moved to... * config/avr/driver-avr.cc: ...here. * config/avr/gen-avr-mmcu-specs.c: Moved to... * config/avr/gen-avr-mmcu-specs.cc: ...here. * config/avr/gen-avr-mmcu-texi.c: Moved to... * config/avr/gen-avr-mmcu-texi.cc: ...here. * config/bfin/bfin.c: Moved to... * config/bfin/bfin.cc: ...here. * config/bpf/bpf.c: Moved to... * config/bpf/bpf.cc: 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config/msp430/msp430.c: Moved to... * config/msp430/msp430.cc: ...here. * config/nds32/nds32-cost.c: Moved to... * config/nds32/nds32-cost.cc: ...here. * config/nds32/nds32-fp-as-gp.c: Moved to... * config/nds32/nds32-fp-as-gp.cc: ...here. * config/nds32/nds32-intrinsic.c: Moved to... * config/nds32/nds32-intrinsic.cc: ...here. * config/nds32/nds32-isr.c: Moved to... * config/nds32/nds32-isr.cc: ...here. * config/nds32/nds32-md-auxiliary.c: Moved to... * config/nds32/nds32-md-auxiliary.cc: ...here. * config/nds32/nds32-memory-manipulation.c: Moved to... * config/nds32/nds32-memory-manipulation.cc: ...here. * config/nds32/nds32-pipelines-auxiliary.c: Moved to... * config/nds32/nds32-pipelines-auxiliary.cc: ...here. * config/nds32/nds32-predicates.c: Moved to... * config/nds32/nds32-predicates.cc: ...here. * config/nds32/nds32-relax-opt.c: Moved to... * config/nds32/nds32-relax-opt.cc: ...here. * config/nds32/nds32-utils.c: Moved to... * config/nds32/nds32-utils.cc: ...here. * config/nds32/nds32.c: Moved to... * config/nds32/nds32.cc: ...here. * config/netbsd-d.c: Moved to... * config/netbsd-d.cc: ...here. * config/netbsd.c: Moved to... * config/netbsd.cc: ...here. * config/nios2/nios2.c: Moved to... * config/nios2/nios2.cc: ...here. * config/nvptx/mkoffload.c: Moved to... * config/nvptx/mkoffload.cc: ...here. * config/nvptx/nvptx-c.c: Moved to... * config/nvptx/nvptx-c.cc: ...here. * config/nvptx/nvptx.c: Moved to... * config/nvptx/nvptx.cc: ...here. * config/openbsd-d.c: Moved to... * config/openbsd-d.cc: ...here. * config/or1k/or1k.c: Moved to... * config/or1k/or1k.cc: ...here. * config/pa/pa-d.c: Moved to... * config/pa/pa-d.cc: ...here. * config/pa/pa.c: Moved to... * config/pa/pa.cc: ...here. * config/pdp11/pdp11.c: Moved to... * config/pdp11/pdp11.cc: ...here. * config/pru/pru-passes.c: Moved to... * config/pru/pru-passes.cc: ...here. * config/pru/pru-pragma.c: Moved to... * config/pru/pru-pragma.cc: ...here. * config/pru/pru.c: Moved to... * config/pru/pru.cc: ...here. * config/riscv/riscv-builtins.c: Moved to... * config/riscv/riscv-builtins.cc: ...here. * config/riscv/riscv-c.c: Moved to... * config/riscv/riscv-c.cc: ...here. * config/riscv/riscv-d.c: Moved to... * config/riscv/riscv-d.cc: ...here. * config/riscv/riscv-shorten-memrefs.c: Moved to... * config/riscv/riscv-shorten-memrefs.cc: ...here. * config/riscv/riscv-sr.c: Moved to... * config/riscv/riscv-sr.cc: ...here. * config/riscv/riscv.c: Moved to... * config/riscv/riscv.cc: ...here. * config/rl78/rl78-c.c: Moved to... * config/rl78/rl78-c.cc: ...here. * config/rl78/rl78.c: Moved to... * config/rl78/rl78.cc: ...here. * config/rs6000/driver-rs6000.c: Moved to... * config/rs6000/driver-rs6000.cc: ...here. * config/rs6000/host-darwin.c: Moved to... * config/rs6000/host-darwin.cc: ...here. * config/rs6000/host-ppc64-darwin.c: Moved to... * config/rs6000/host-ppc64-darwin.cc: ...here. * config/rs6000/rbtree.c: Moved to... * config/rs6000/rbtree.cc: ...here. * config/rs6000/rs6000-c.c: Moved to... * config/rs6000/rs6000-c.cc: ...here. * config/rs6000/rs6000-call.c: Moved to... * config/rs6000/rs6000-call.cc: ...here. * config/rs6000/rs6000-d.c: Moved to... * config/rs6000/rs6000-d.cc: ...here. * config/rs6000/rs6000-gen-builtins.c: Moved to... * config/rs6000/rs6000-gen-builtins.cc: ...here. * config/rs6000/rs6000-linux.c: Moved to... * config/rs6000/rs6000-linux.cc: ...here. * config/rs6000/rs6000-logue.c: Moved to... * config/rs6000/rs6000-logue.cc: ...here. * config/rs6000/rs6000-p8swap.c: Moved to... * config/rs6000/rs6000-p8swap.cc: ...here. * config/rs6000/rs6000-pcrel-opt.c: Moved to... * config/rs6000/rs6000-pcrel-opt.cc: ...here. * config/rs6000/rs6000-string.c: Moved to... * config/rs6000/rs6000-string.cc: ...here. * config/rs6000/rs6000.c: Moved to... * config/rs6000/rs6000.cc: ...here. * config/rx/rx.c: Moved to... * config/rx/rx.cc: ...here. * config/s390/driver-native.c: Moved to... * config/s390/driver-native.cc: ...here. * config/s390/s390-c.c: Moved to... * config/s390/s390-c.cc: ...here. * config/s390/s390-d.c: Moved to... * config/s390/s390-d.cc: ...here. * config/s390/s390.c: Moved to... * config/s390/s390.cc: ...here. * config/sh/divtab-sh4-300.c: Moved to... * config/sh/divtab-sh4-300.cc: ...here. * config/sh/divtab-sh4.c: Moved to... * config/sh/divtab-sh4.cc: ...here. * config/sh/divtab.c: Moved to... * config/sh/divtab.cc: ...here. * config/sh/sh-c.c: Moved to... * config/sh/sh-c.cc: ...here. * config/sh/sh.c: Moved to... * config/sh/sh.cc: ...here. * config/sol2-c.c: Moved to... * config/sol2-c.cc: ...here. * config/sol2-cxx.c: Moved to... * config/sol2-cxx.cc: ...here. * config/sol2-d.c: Moved to... * config/sol2-d.cc: ...here. * config/sol2-stubs.c: Moved to... * config/sol2-stubs.cc: ...here. * config/sol2.c: Moved to... * config/sol2.cc: ...here. * config/sparc/driver-sparc.c: Moved to... * config/sparc/driver-sparc.cc: ...here. * config/sparc/sparc-c.c: Moved to... * config/sparc/sparc-c.cc: ...here. * config/sparc/sparc-d.c: Moved to... * config/sparc/sparc-d.cc: ...here. * config/sparc/sparc.c: Moved to... * config/sparc/sparc.cc: ...here. * config/stormy16/stormy16.c: Moved to... * config/stormy16/stormy16.cc: ...here. * config/tilegx/mul-tables.c: Moved to... * config/tilegx/mul-tables.cc: ...here. * config/tilegx/tilegx-c.c: Moved to... * config/tilegx/tilegx-c.cc: ...here. * config/tilegx/tilegx.c: Moved to... * config/tilegx/tilegx.cc: ...here. * config/tilepro/mul-tables.c: Moved to... * config/tilepro/mul-tables.cc: ...here. * config/tilepro/tilepro-c.c: Moved to... * config/tilepro/tilepro-c.cc: ...here. * config/tilepro/tilepro.c: Moved to... * config/tilepro/tilepro.cc: ...here. * config/v850/v850-c.c: Moved to... * config/v850/v850-c.cc: ...here. * config/v850/v850.c: Moved to... * config/v850/v850.cc: ...here. * config/vax/vax.c: Moved to... * config/vax/vax.cc: ...here. * config/visium/visium.c: Moved to... * config/visium/visium.cc: ...here. * config/vms/vms-c.c: Moved to... * config/vms/vms-c.cc: ...here. * config/vms/vms-f.c: Moved to... * config/vms/vms-f.cc: ...here. * config/vms/vms.c: Moved to... * config/vms/vms.cc: ...here. * config/vxworks-c.c: Moved to... * config/vxworks-c.cc: ...here. * config/vxworks.c: Moved to... * config/vxworks.cc: ...here. * config/winnt-c.c: Moved to... * config/winnt-c.cc: ...here. * config/xtensa/xtensa.c: Moved to... * config/xtensa/xtensa.cc: ...here. * context.c: Moved to... * context.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * coverage.c: Moved to... * coverage.cc: ...here. * cppbuiltin.c: Moved to... * cppbuiltin.cc: ...here. * cppdefault.c: Moved to... * cppdefault.cc: ...here. * cprop.c: Moved to... * cprop.cc: ...here. * cse.c: Moved to... * cse.cc: ...here. * cselib.c: Moved to... * cselib.cc: ...here. * ctfc.c: Moved to... * ctfc.cc: ...here. * ctfout.c: Moved to... * ctfout.cc: ...here. * data-streamer-in.c: Moved to... * data-streamer-in.cc: ...here. * data-streamer-out.c: Moved to... * data-streamer-out.cc: ...here. * data-streamer.c: Moved to... * data-streamer.cc: ...here. * dbgcnt.c: Moved to... * dbgcnt.cc: ...here. * dbxout.c: Moved to... * dbxout.cc: ...here. * dce.c: Moved to... * dce.cc: ...here. * ddg.c: Moved to... * ddg.cc: ...here. * debug.c: Moved to... * debug.cc: ...here. * df-core.c: Moved to... * df-core.cc: ...here. * df-problems.c: Moved to... * df-problems.cc: ...here. * df-scan.c: Moved to... * df-scan.cc: ...here. * dfp.c: Moved to... * dfp.cc: ...here. * diagnostic-color.c: Moved to... * diagnostic-color.cc: ...here. * diagnostic-show-locus.c: Moved to... * diagnostic-show-locus.cc: ...here. * diagnostic-spec.c: Moved to... * diagnostic-spec.cc: ...here. * diagnostic.c: Moved to... * diagnostic.cc: ...here. * dojump.c: Moved to... * dojump.cc: ...here. * dominance.c: Moved to... * dominance.cc: ...here. * domwalk.c: Moved to... * domwalk.cc: ...here. * double-int.c: Moved to... * double-int.cc: ...here. * dse.c: Moved to... * dse.cc: ...here. * dumpfile.c: Moved to... * dumpfile.cc: ...here. * dwarf2asm.c: Moved to... * dwarf2asm.cc: ...here. * dwarf2cfi.c: Moved to... * dwarf2cfi.cc: ...here. * dwarf2ctf.c: Moved to... * dwarf2ctf.cc: ...here. * dwarf2out.c: Moved to... * dwarf2out.cc: ...here. * early-remat.c: Moved to... * early-remat.cc: ...here. * edit-context.c: Moved to... * edit-context.cc: ...here. * emit-rtl.c: Moved to... * emit-rtl.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * et-forest.c: Moved to... * et-forest.cc: ...here. * except.c: Moved to... * except.cc: ...here. * explow.c: Moved to... * explow.cc: ...here. * expmed.c: Moved to... * expmed.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * fibonacci_heap.c: Moved to... * fibonacci_heap.cc: ...here. * file-find.c: Moved to... * file-find.cc: ...here. * file-prefix-map.c: Moved to... * file-prefix-map.cc: ...here. * final.c: Moved to... * final.cc: ...here. * fixed-value.c: Moved to... * fixed-value.cc: ...here. * fold-const-call.c: Moved to... * fold-const-call.cc: ...here. * fold-const.c: Moved to... * fold-const.cc: ...here. * fp-test.c: Moved to... * fp-test.cc: ...here. * function-tests.c: Moved to... * function-tests.cc: ...here. * function.c: Moved to... * function.cc: ...here. * fwprop.c: Moved to... * fwprop.cc: ...here. * gcc-ar.c: Moved to... * gcc-ar.cc: ...here. * gcc-main.c: Moved to... * gcc-main.cc: ...here. * gcc-rich-location.c: Moved to... * gcc-rich-location.cc: ...here. * gcc.c: Moved to... * gcc.cc: ...here. * gcov-dump.c: Moved to... * gcov-dump.cc: ...here. * gcov-io.c: Moved to... * gcov-io.cc: ...here. * gcov-tool.c: Moved to... * gcov-tool.cc: ...here. * gcov.c: Moved to... * gcov.cc: ...here. * gcse-common.c: Moved to... * gcse-common.cc: ...here. * gcse.c: Moved to... * gcse.cc: ...here. * genattr-common.c: Moved to... * genattr-common.cc: ...here. * genattr.c: Moved to... * genattr.cc: ...here. * genattrtab.c: Moved to... * genattrtab.cc: ...here. * genautomata.c: Moved to... * genautomata.cc: ...here. * gencfn-macros.c: Moved to... * gencfn-macros.cc: ...here. * gencheck.c: Moved to... * gencheck.cc: ...here. * genchecksum.c: Moved to... * genchecksum.cc: ...here. * gencodes.c: Moved to... * gencodes.cc: ...here. * genconditions.c: Moved to... * genconditions.cc: ...here. * genconfig.c: Moved to... * genconfig.cc: ...here. * genconstants.c: Moved to... * genconstants.cc: ...here. * genemit.c: Moved to... * genemit.cc: ...here. * genenums.c: Moved to... * genenums.cc: ...here. * generic-match-head.c: Moved to... * generic-match-head.cc: ...here. * genextract.c: Moved to... * genextract.cc: ...here. * genflags.c: Moved to... * genflags.cc: ...here. * gengenrtl.c: Moved to... * gengenrtl.cc: ...here. * gengtype-parse.c: Moved to... * gengtype-parse.cc: ...here. * gengtype-state.c: Moved to... * gengtype-state.cc: ...here. * gengtype.c: Moved to... * gengtype.cc: ...here. * genhooks.c: Moved to... * genhooks.cc: ...here. * genmatch.c: Moved to... * genmatch.cc: ...here. * genmddeps.c: Moved to... * genmddeps.cc: ...here. * genmddump.c: Moved to... * genmddump.cc: ...here. * genmodes.c: Moved to... * genmodes.cc: ...here. * genopinit.c: Moved to... * genopinit.cc: ...here. * genoutput.c: Moved to... * genoutput.cc: ...here. * genpeep.c: Moved to... * genpeep.cc: ...here. * genpreds.c: Moved to... * genpreds.cc: ...here. * genrecog.c: Moved to... * genrecog.cc: ...here. * gensupport.c: Moved to... * gensupport.cc: ...here. * gentarget-def.c: Moved to... * gentarget-def.cc: ...here. * genversion.c: Moved to... * genversion.cc: ...here. * ggc-common.c: Moved to... * ggc-common.cc: ...here. * ggc-none.c: Moved to... * ggc-none.cc: ...here. * ggc-page.c: Moved to... * ggc-page.cc: ...here. * ggc-tests.c: Moved to... * ggc-tests.cc: ...here. * gimple-builder.c: Moved to... * gimple-builder.cc: ...here. * gimple-expr.c: Moved to... * gimple-expr.cc: ...here. * gimple-fold.c: Moved to... * gimple-fold.cc: ...here. * gimple-iterator.c: Moved to... * gimple-iterator.cc: ...here. * gimple-laddress.c: Moved to... * gimple-laddress.cc: ...here. * gimple-loop-jam.c: Moved to... * gimple-loop-jam.cc: ...here. * gimple-low.c: Moved to... * gimple-low.cc: ...here. * gimple-match-head.c: Moved to... * gimple-match-head.cc: ...here. * gimple-pretty-print.c: Moved to... * gimple-pretty-print.cc: ...here. * gimple-ssa-backprop.c: Moved to... * gimple-ssa-backprop.cc: ...here. * gimple-ssa-evrp-analyze.c: Moved to... * gimple-ssa-evrp-analyze.cc: ...here. * gimple-ssa-evrp.c: Moved to... * gimple-ssa-evrp.cc: ...here. * gimple-ssa-isolate-paths.c: Moved to... * gimple-ssa-isolate-paths.cc: ...here. * gimple-ssa-nonnull-compare.c: Moved to... * gimple-ssa-nonnull-compare.cc: ...here. * gimple-ssa-split-paths.c: Moved to... * gimple-ssa-split-paths.cc: ...here. * gimple-ssa-sprintf.c: Moved to... * gimple-ssa-sprintf.cc: ...here. * gimple-ssa-store-merging.c: Moved to... * gimple-ssa-store-merging.cc: ...here. * gimple-ssa-strength-reduction.c: Moved to... * gimple-ssa-strength-reduction.cc: ...here. * gimple-ssa-warn-alloca.c: Moved to... * gimple-ssa-warn-alloca.cc: ...here. * gimple-ssa-warn-restrict.c: Moved to... * gimple-ssa-warn-restrict.cc: ...here. * gimple-streamer-in.c: Moved to... * gimple-streamer-in.cc: ...here. * gimple-streamer-out.c: Moved to... * gimple-streamer-out.cc: ...here. * gimple-walk.c: Moved to... * gimple-walk.cc: ...here. * gimple-warn-recursion.c: Moved to... * gimple-warn-recursion.cc: ...here. * gimple.c: Moved to... * gimple.cc: ...here. * gimplify-me.c: Moved to... * gimplify-me.cc: ...here. * gimplify.c: Moved to... * gimplify.cc: ...here. * godump.c: Moved to... * godump.cc: ...here. * graph.c: Moved to... * graph.cc: ...here. * graphds.c: Moved to... * graphds.cc: ...here. * graphite-dependences.c: Moved to... * graphite-dependences.cc: ...here. * graphite-isl-ast-to-gimple.c: Moved to... * graphite-isl-ast-to-gimple.cc: ...here. * graphite-optimize-isl.c: Moved to... * graphite-optimize-isl.cc: ...here. * graphite-poly.c: Moved to... * graphite-poly.cc: ...here. * graphite-scop-detection.c: Moved to... * graphite-scop-detection.cc: ...here. * graphite-sese-to-poly.c: Moved to... * graphite-sese-to-poly.cc: ...here. * graphite.c: Moved to... * graphite.cc: ...here. * haifa-sched.c: Moved to... * haifa-sched.cc: ...here. * hash-map-tests.c: Moved to... * hash-map-tests.cc: ...here. * hash-set-tests.c: Moved to... * hash-set-tests.cc: ...here. * hash-table.c: Moved to... * hash-table.cc: ...here. * hooks.c: Moved to... * hooks.cc: ...here. * host-default.c: Moved to... * host-default.cc: ...here. * hw-doloop.c: Moved to... * hw-doloop.cc: ...here. * hwint.c: Moved to... * hwint.cc: ...here. * ifcvt.c: Moved to... * ifcvt.cc: ...here. * inchash.c: Moved to... * inchash.cc: ...here. * incpath.c: Moved to... * incpath.cc: ...here. * init-regs.c: Moved to... * init-regs.cc: ...here. * input.c: Moved to... * input.cc: ...here. * internal-fn.c: Moved to... * internal-fn.cc: ...here. * intl.c: Moved to... * intl.cc: ...here. * ipa-comdats.c: Moved to... * ipa-comdats.cc: ...here. * ipa-cp.c: Moved to... * ipa-cp.cc: ...here. * ipa-devirt.c: Moved to... * ipa-devirt.cc: ...here. * ipa-fnsummary.c: Moved to... * ipa-fnsummary.cc: ...here. * ipa-icf-gimple.c: Moved to... * ipa-icf-gimple.cc: ...here. * ipa-icf.c: Moved to... * ipa-icf.cc: ...here. * ipa-inline-analysis.c: Moved to... * ipa-inline-analysis.cc: ...here. * ipa-inline-transform.c: Moved to... * ipa-inline-transform.cc: ...here. * ipa-inline.c: Moved to... * ipa-inline.cc: ...here. * ipa-modref-tree.c: Moved to... * ipa-modref-tree.cc: ...here. * ipa-modref.c: Moved to... * ipa-modref.cc: ...here. * ipa-param-manipulation.c: Moved to... * ipa-param-manipulation.cc: ...here. * ipa-polymorphic-call.c: Moved to... * ipa-polymorphic-call.cc: ...here. * ipa-predicate.c: Moved to... * ipa-predicate.cc: ...here. * ipa-profile.c: Moved to... * ipa-profile.cc: ...here. * ipa-prop.c: Moved to... * ipa-prop.cc: ...here. * ipa-pure-const.c: Moved to... * ipa-pure-const.cc: ...here. * ipa-ref.c: Moved to... * ipa-ref.cc: ...here. * ipa-reference.c: Moved to... * ipa-reference.cc: ...here. * ipa-split.c: Moved to... * ipa-split.cc: ...here. * ipa-sra.c: Moved to... * ipa-sra.cc: ...here. * ipa-utils.c: Moved to... * ipa-utils.cc: ...here. * ipa-visibility.c: Moved to... * ipa-visibility.cc: ...here. * ipa.c: Moved to... * ipa.cc: ...here. * ira-build.c: Moved to... * ira-build.cc: ...here. * ira-color.c: Moved to... * ira-color.cc: ...here. * ira-conflicts.c: Moved to... * ira-conflicts.cc: ...here. * ira-costs.c: Moved to... * ira-costs.cc: ...here. * ira-emit.c: Moved to... * ira-emit.cc: ...here. * ira-lives.c: Moved to... * ira-lives.cc: ...here. * ira.c: Moved to... * ira.cc: ...here. * jump.c: Moved to... * jump.cc: ...here. * langhooks.c: Moved to... * langhooks.cc: ...here. * lcm.c: Moved to... * lcm.cc: ...here. * lists.c: Moved to... * lists.cc: ...here. * loop-doloop.c: Moved to... * loop-doloop.cc: ...here. * loop-init.c: Moved to... * loop-init.cc: ...here. * loop-invariant.c: Moved to... * loop-invariant.cc: ...here. * loop-iv.c: Moved to... * loop-iv.cc: ...here. * loop-unroll.c: Moved to... * loop-unroll.cc: ...here. * lower-subreg.c: Moved to... * lower-subreg.cc: ...here. * lra-assigns.c: Moved to... * lra-assigns.cc: ...here. * lra-coalesce.c: Moved to... * lra-coalesce.cc: ...here. * lra-constraints.c: Moved to... * lra-constraints.cc: ...here. * lra-eliminations.c: Moved to... * lra-eliminations.cc: ...here. * lra-lives.c: Moved to... * lra-lives.cc: ...here. * lra-remat.c: Moved to... * lra-remat.cc: ...here. * lra-spills.c: Moved to... * lra-spills.cc: ...here. * lra.c: Moved to... * lra.cc: ...here. * lto-cgraph.c: Moved to... * lto-cgraph.cc: ...here. * lto-compress.c: Moved to... * lto-compress.cc: ...here. * lto-opts.c: Moved to... * lto-opts.cc: ...here. * lto-section-in.c: Moved to... * lto-section-in.cc: ...here. * lto-section-out.c: Moved to... * lto-section-out.cc: ...here. * lto-streamer-in.c: Moved to... * lto-streamer-in.cc: ...here. * lto-streamer-out.c: Moved to... * lto-streamer-out.cc: ...here. * lto-streamer.c: Moved to... * lto-streamer.cc: ...here. * lto-wrapper.c: Moved to... * lto-wrapper.cc: ...here. * main.c: Moved to... * main.cc: ...here. * mcf.c: Moved to... * mcf.cc: ...here. * mode-switching.c: Moved to... * mode-switching.cc: ...here. * modulo-sched.c: Moved to... * modulo-sched.cc: ...here. * multiple_target.c: Moved to... * multiple_target.cc: ...here. * omp-expand.c: Moved to... * omp-expand.cc: ...here. * omp-general.c: Moved to... * omp-general.cc: ...here. * omp-low.c: Moved to... * omp-low.cc: ...here. * omp-offload.c: Moved to... * omp-offload.cc: ...here. * omp-simd-clone.c: Moved to... * omp-simd-clone.cc: ...here. * opt-suggestions.c: Moved to... * opt-suggestions.cc: ...here. * optabs-libfuncs.c: Moved to... * optabs-libfuncs.cc: ...here. * optabs-query.c: Moved to... * optabs-query.cc: ...here. * optabs-tree.c: Moved to... * optabs-tree.cc: ...here. * optabs.c: Moved to... * optabs.cc: ...here. * opts-common.c: Moved to... * opts-common.cc: ...here. * opts-global.c: Moved to... * opts-global.cc: ...here. * opts.c: Moved to... * opts.cc: ...here. * passes.c: Moved to... * passes.cc: ...here. * plugin.c: Moved to... * plugin.cc: ...here. * postreload-gcse.c: Moved to... * postreload-gcse.cc: ...here. * postreload.c: Moved to... * postreload.cc: ...here. * predict.c: Moved to... * predict.cc: ...here. * prefix.c: Moved to... * prefix.cc: ...here. * pretty-print.c: Moved to... * pretty-print.cc: ...here. * print-rtl-function.c: Moved to... * print-rtl-function.cc: ...here. * print-rtl.c: Moved to... * print-rtl.cc: ...here. * print-tree.c: Moved to... * print-tree.cc: ...here. * profile-count.c: Moved to... * profile-count.cc: ...here. * profile.c: Moved to... * profile.cc: ...here. * read-md.c: Moved to... * read-md.cc: ...here. * read-rtl-function.c: Moved to... * read-rtl-function.cc: ...here. * read-rtl.c: Moved to... * read-rtl.cc: ...here. * real.c: Moved to... * real.cc: ...here. * realmpfr.c: Moved to... * realmpfr.cc: ...here. * recog.c: Moved to... * recog.cc: ...here. * ree.c: Moved to... * ree.cc: ...here. * reg-stack.c: Moved to... * reg-stack.cc: ...here. * regcprop.c: Moved to... * regcprop.cc: ...here. * reginfo.c: Moved to... * reginfo.cc: ...here. * regrename.c: Moved to... * regrename.cc: ...here. * regstat.c: Moved to... * regstat.cc: ...here. * reload.c: Moved to... * reload.cc: ...here. * reload1.c: Moved to... * reload1.cc: ...here. * reorg.c: Moved to... * reorg.cc: ...here. * resource.c: Moved to... * resource.cc: ...here. * rtl-error.c: Moved to... * rtl-error.cc: ...here. * rtl-tests.c: Moved to... * rtl-tests.cc: ...here. * rtl.c: Moved to... * rtl.cc: ...here. * rtlanal.c: Moved to... * rtlanal.cc: ...here. * rtlhash.c: Moved to... * rtlhash.cc: ...here. * rtlhooks.c: Moved to... * rtlhooks.cc: ...here. * rtx-vector-builder.c: Moved to... * rtx-vector-builder.cc: ...here. * run-rtl-passes.c: Moved to... * run-rtl-passes.cc: ...here. * sancov.c: Moved to... * sancov.cc: ...here. * sanopt.c: Moved to... * sanopt.cc: ...here. * sbitmap.c: Moved to... * sbitmap.cc: ...here. * sched-deps.c: Moved to... * sched-deps.cc: ...here. * sched-ebb.c: Moved to... * sched-ebb.cc: ...here. * sched-rgn.c: Moved to... * sched-rgn.cc: ...here. * sel-sched-dump.c: Moved to... * sel-sched-dump.cc: ...here. * sel-sched-ir.c: Moved to... * sel-sched-ir.cc: ...here. * sel-sched.c: Moved to... * sel-sched.cc: ...here. * selftest-diagnostic.c: Moved to... * selftest-diagnostic.cc: ...here. * selftest-rtl.c: Moved to... * selftest-rtl.cc: ...here. * selftest-run-tests.c: Moved to... * selftest-run-tests.cc: ...here. * selftest.c: Moved to... * selftest.cc: ...here. * sese.c: Moved to... * sese.cc: ...here. * shrink-wrap.c: Moved to... * shrink-wrap.cc: ...here. * simplify-rtx.c: Moved to... * simplify-rtx.cc: ...here. * sparseset.c: Moved to... * sparseset.cc: ...here. * spellcheck-tree.c: Moved to... * spellcheck-tree.cc: ...here. * spellcheck.c: Moved to... * spellcheck.cc: ...here. * sreal.c: Moved to... * sreal.cc: ...here. * stack-ptr-mod.c: Moved to... * stack-ptr-mod.cc: ...here. * statistics.c: Moved to... * statistics.cc: ...here. * stmt.c: Moved to... * stmt.cc: ...here. * stor-layout.c: Moved to... * stor-layout.cc: ...here. * store-motion.c: Moved to... * store-motion.cc: ...here. * streamer-hooks.c: Moved to... * streamer-hooks.cc: ...here. * stringpool.c: Moved to... * stringpool.cc: ...here. * substring-locations.c: Moved to... * substring-locations.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * target-globals.c: Moved to... * target-globals.cc: ...here. * targhooks.c: Moved to... * targhooks.cc: ...here. * timevar.c: Moved to... * timevar.cc: ...here. * toplev.c: Moved to... * toplev.cc: ...here. * tracer.c: Moved to... * tracer.cc: ...here. * trans-mem.c: Moved to... * trans-mem.cc: ...here. * tree-affine.c: Moved to... * tree-affine.cc: ...here. * tree-call-cdce.c: Moved to... * tree-call-cdce.cc: ...here. * tree-cfg.c: Moved to... * tree-cfg.cc: ...here. * tree-cfgcleanup.c: Moved to... * tree-cfgcleanup.cc: ...here. * tree-chrec.c: Moved to... * tree-chrec.cc: ...here. * tree-complex.c: Moved to... * tree-complex.cc: ...here. * tree-data-ref.c: Moved to... * tree-data-ref.cc: ...here. * tree-dfa.c: Moved to... * tree-dfa.cc: ...here. * tree-diagnostic.c: Moved to... * tree-diagnostic.cc: ...here. * tree-dump.c: Moved to... * tree-dump.cc: ...here. * tree-eh.c: Moved to... * tree-eh.cc: ...here. * tree-emutls.c: Moved to... * tree-emutls.cc: ...here. * tree-if-conv.c: Moved to... * tree-if-conv.cc: ...here. * tree-inline.c: Moved to... * tree-inline.cc: ...here. * tree-into-ssa.c: Moved to... * tree-into-ssa.cc: ...here. * tree-iterator.c: Moved to... * tree-iterator.cc: ...here. * tree-loop-distribution.c: Moved to... * tree-loop-distribution.cc: ...here. * tree-nested.c: Moved to... * tree-nested.cc: ...here. * tree-nrv.c: Moved to... * tree-nrv.cc: ...here. * tree-object-size.c: Moved to... * tree-object-size.cc: ...here. * tree-outof-ssa.c: Moved to... * tree-outof-ssa.cc: ...here. * tree-parloops.c: Moved to... * tree-parloops.cc: ...here. * tree-phinodes.c: Moved to... * tree-phinodes.cc: ...here. * tree-predcom.c: Moved to... * tree-predcom.cc: ...here. * tree-pretty-print.c: Moved to... * tree-pretty-print.cc: ...here. * tree-profile.c: Moved to... * tree-profile.cc: ...here. * tree-scalar-evolution.c: Moved to... * tree-scalar-evolution.cc: ...here. * tree-sra.c: Moved to... * tree-sra.cc: ...here. * tree-ssa-address.c: Moved to... * tree-ssa-address.cc: ...here. * tree-ssa-alias.c: Moved to... * tree-ssa-alias.cc: ...here. * tree-ssa-ccp.c: Moved to... * tree-ssa-ccp.cc: ...here. * tree-ssa-coalesce.c: Moved to... * tree-ssa-coalesce.cc: ...here. * tree-ssa-copy.c: Moved to... * tree-ssa-copy.cc: ...here. * tree-ssa-dce.c: Moved to... * tree-ssa-dce.cc: ...here. * tree-ssa-dom.c: Moved to... * tree-ssa-dom.cc: ...here. * tree-ssa-dse.c: Moved to... * tree-ssa-dse.cc: ...here. * tree-ssa-forwprop.c: Moved to... * tree-ssa-forwprop.cc: ...here. * tree-ssa-ifcombine.c: Moved to... * tree-ssa-ifcombine.cc: ...here. * tree-ssa-live.c: Moved to... * tree-ssa-live.cc: ...here. * tree-ssa-loop-ch.c: Moved to... * tree-ssa-loop-ch.cc: ...here. * tree-ssa-loop-im.c: Moved to... * tree-ssa-loop-im.cc: ...here. * tree-ssa-loop-ivcanon.c: Moved to... * tree-ssa-loop-ivcanon.cc: ...here. * tree-ssa-loop-ivopts.c: Moved to... * tree-ssa-loop-ivopts.cc: ...here. * tree-ssa-loop-manip.c: Moved to... * tree-ssa-loop-manip.cc: ...here. * tree-ssa-loop-niter.c: Moved to... * tree-ssa-loop-niter.cc: ...here. * tree-ssa-loop-prefetch.c: Moved to... * tree-ssa-loop-prefetch.cc: ...here. * tree-ssa-loop-split.c: Moved to... * tree-ssa-loop-split.cc: ...here. * tree-ssa-loop-unswitch.c: Moved to... * tree-ssa-loop-unswitch.cc: ...here. * tree-ssa-loop.c: Moved to... * tree-ssa-loop.cc: ...here. * tree-ssa-math-opts.c: Moved to... * tree-ssa-math-opts.cc: ...here. * tree-ssa-operands.c: Moved to... * tree-ssa-operands.cc: ...here. * tree-ssa-phiopt.c: Moved to... * tree-ssa-phiopt.cc: ...here. * tree-ssa-phiprop.c: Moved to... * tree-ssa-phiprop.cc: ...here. * tree-ssa-pre.c: Moved to... * tree-ssa-pre.cc: ...here. * tree-ssa-propagate.c: Moved to... * tree-ssa-propagate.cc: ...here. * tree-ssa-reassoc.c: Moved to... * tree-ssa-reassoc.cc: ...here. * tree-ssa-sccvn.c: Moved to... * tree-ssa-sccvn.cc: ...here. * tree-ssa-scopedtables.c: Moved to... * tree-ssa-scopedtables.cc: ...here. * tree-ssa-sink.c: Moved to... * tree-ssa-sink.cc: ...here. * tree-ssa-strlen.c: Moved to... * tree-ssa-strlen.cc: ...here. * tree-ssa-structalias.c: Moved to... * tree-ssa-structalias.cc: ...here. * tree-ssa-tail-merge.c: Moved to... * tree-ssa-tail-merge.cc: ...here. * tree-ssa-ter.c: Moved to... * tree-ssa-ter.cc: ...here. * tree-ssa-threadbackward.c: Moved to... * tree-ssa-threadbackward.cc: ...here. * tree-ssa-threadedge.c: Moved to... * tree-ssa-threadedge.cc: ...here. * tree-ssa-threadupdate.c: Moved to... * tree-ssa-threadupdate.cc: ...here. * tree-ssa-uncprop.c: Moved to... * tree-ssa-uncprop.cc: ...here. * tree-ssa-uninit.c: Moved to... * tree-ssa-uninit.cc: ...here. * tree-ssa.c: Moved to... * tree-ssa.cc: ...here. * tree-ssanames.c: Moved to... * tree-ssanames.cc: ...here. * tree-stdarg.c: Moved to... * tree-stdarg.cc: ...here. * tree-streamer-in.c: Moved to... * tree-streamer-in.cc: ...here. * tree-streamer-out.c: Moved to... * tree-streamer-out.cc: ...here. * tree-streamer.c: Moved to... * tree-streamer.cc: ...here. * tree-switch-conversion.c: Moved to... * tree-switch-conversion.cc: ...here. * tree-tailcall.c: Moved to... * tree-tailcall.cc: ...here. * tree-vect-data-refs.c: Moved to... * tree-vect-data-refs.cc: ...here. * tree-vect-generic.c: Moved to... * tree-vect-generic.cc: ...here. * tree-vect-loop-manip.c: Moved to... * tree-vect-loop-manip.cc: ...here. * tree-vect-loop.c: Moved to... * tree-vect-loop.cc: ...here. * tree-vect-patterns.c: Moved to... * tree-vect-patterns.cc: ...here. * tree-vect-slp-patterns.c: Moved to... * tree-vect-slp-patterns.cc: ...here. * tree-vect-slp.c: Moved to... * tree-vect-slp.cc: ...here. * tree-vect-stmts.c: Moved to... * tree-vect-stmts.cc: ...here. * tree-vector-builder.c: Moved to... * tree-vector-builder.cc: ...here. * tree-vectorizer.c: Moved to... * tree-vectorizer.cc: ...here. * tree-vrp.c: Moved to... * tree-vrp.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * tsan.c: Moved to... * tsan.cc: ...here. * typed-splay-tree.c: Moved to... * typed-splay-tree.cc: ...here. * ubsan.c: Moved to... * ubsan.cc: ...here. * valtrack.c: Moved to... * valtrack.cc: ...here. * value-prof.c: Moved to... * value-prof.cc: ...here. * var-tracking.c: Moved to... * var-tracking.cc: ...here. * varasm.c: Moved to... * varasm.cc: ...here. * varpool.c: Moved to... * varpool.cc: ...here. * vec-perm-indices.c: Moved to... * vec-perm-indices.cc: ...here. * vec.c: Moved to... * vec.cc: ...here. * vmsdbgout.c: Moved to... * vmsdbgout.cc: ...here. * vr-values.c: Moved to... * vr-values.cc: ...here. * vtable-verify.c: Moved to... * vtable-verify.cc: ...here. * web.c: Moved to... * web.cc: ...here. * xcoffout.c: Moved to... * xcoffout.cc: ...here. gcc/c-family/ChangeLog: * c-ada-spec.c: Moved to... * c-ada-spec.cc: ...here. * c-attribs.c: Moved to... * c-attribs.cc: ...here. * c-common.c: Moved to... * c-common.cc: ...here. * c-cppbuiltin.c: Moved to... * c-cppbuiltin.cc: ...here. * c-dump.c: Moved to... * c-dump.cc: ...here. * c-format.c: Moved to... * c-format.cc: ...here. * c-gimplify.c: Moved to... * c-gimplify.cc: ...here. * c-indentation.c: Moved to... * c-indentation.cc: ...here. * c-lex.c: Moved to... * c-lex.cc: ...here. * c-omp.c: Moved to... * c-omp.cc: ...here. * c-opts.c: Moved to... * c-opts.cc: ...here. * c-pch.c: Moved to... * c-pch.cc: ...here. * c-ppoutput.c: Moved to... * c-ppoutput.cc: ...here. * c-pragma.c: Moved to... * c-pragma.cc: ...here. * c-pretty-print.c: Moved to... * c-pretty-print.cc: ...here. * c-semantics.c: Moved to... * c-semantics.cc: ...here. * c-ubsan.c: Moved to... * c-ubsan.cc: ...here. * c-warn.c: Moved to... * c-warn.cc: ...here. * cppspec.c: Moved to... * cppspec.cc: ...here. * stub-objc.c: Moved to... * stub-objc.cc: ...here. gcc/c/ChangeLog: * c-aux-info.c: Moved to... * c-aux-info.cc: ...here. * c-convert.c: Moved to... * c-convert.cc: ...here. * c-decl.c: Moved to... * c-decl.cc: ...here. * c-errors.c: Moved to... * c-errors.cc: ...here. * c-fold.c: Moved to... * c-fold.cc: ...here. * c-lang.c: Moved to... * c-lang.cc: ...here. * c-objc-common.c: Moved to... * c-objc-common.cc: ...here. * c-parser.c: Moved to... * c-parser.cc: ...here. * c-typeck.c: Moved to... * c-typeck.cc: ...here. * gccspec.c: Moved to... * gccspec.cc: ...here. * gimple-parser.c: Moved to... * gimple-parser.cc: ...here. gcc/cp/ChangeLog: * call.c: Moved to... * call.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constexpr.c: Moved to... * constexpr.cc: ...here. * cp-gimplify.c: Moved to... * cp-gimplify.cc: ...here. * cp-lang.c: Moved to... * cp-lang.cc: ...here. * cp-objcp-common.c: Moved to... * cp-objcp-common.cc: ...here. * cp-ubsan.c: Moved to... * cp-ubsan.cc: ...here. * cvt.c: Moved to... * cvt.cc: ...here. * cxx-pretty-print.c: Moved to... * cxx-pretty-print.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * decl2.c: Moved to... * decl2.cc: ...here. * dump.c: Moved to... * dump.cc: ...here. * error.c: Moved to... * error.cc: ...here. * except.c: Moved to... * except.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * friend.c: Moved to... * friend.cc: ...here. * g++spec.c: Moved to... * g++spec.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lambda.c: Moved to... * lambda.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * mangle.c: Moved to... * mangle.cc: ...here. * method.c: Moved to... * method.cc: ...here. * name-lookup.c: Moved to... * name-lookup.cc: ...here. * optimize.c: Moved to... * optimize.cc: ...here. * parser.c: Moved to... * parser.cc: ...here. * pt.c: Moved to... * pt.cc: ...here. * ptree.c: Moved to... * ptree.cc: ...here. * rtti.c: Moved to... * rtti.cc: ...here. * search.c: Moved to... * search.cc: ...here. * semantics.c: Moved to... * semantics.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * typeck.c: Moved to... * typeck.cc: ...here. * typeck2.c: Moved to... * typeck2.cc: ...here. * vtable-class-hierarchy.c: Moved to... * vtable-class-hierarchy.cc: ...here. gcc/fortran/ChangeLog: * arith.c: Moved to... * arith.cc: ...here. * array.c: Moved to... * array.cc: ...here. * bbt.c: Moved to... * bbt.cc: ...here. * check.c: Moved to... * check.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constructor.c: Moved to... * constructor.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * cpp.c: Moved to... * cpp.cc: ...here. * data.c: Moved to... * data.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * dependency.c: Moved to... * dependency.cc: ...here. * dump-parse-tree.c: Moved to... * dump-parse-tree.cc: ...here. * error.c: Moved to... * error.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * f95-lang.c: Moved to... * f95-lang.cc: ...here. * frontend-passes.c: Moved to... * frontend-passes.cc: ...here. * gfortranspec.c: Moved to... * gfortranspec.cc: ...here. * interface.c: Moved to... * interface.cc: ...here. * intrinsic.c: Moved to... * intrinsic.cc: ...here. * io.c: Moved to... * io.cc: ...here. * iresolve.c: Moved to... * iresolve.cc: ...here. * match.c: Moved to... * match.cc: ...here. * matchexp.c: Moved to... * matchexp.cc: ...here. * misc.c: Moved to... * misc.cc: ...here. * module.c: Moved to... * module.cc: ...here. * openmp.c: Moved to... * openmp.cc: ...here. * options.c: Moved to... * options.cc: ...here. * parse.c: Moved to... * parse.cc: ...here. * primary.c: Moved to... * primary.cc: ...here. * resolve.c: Moved to... * resolve.cc: ...here. * scanner.c: Moved to... * scanner.cc: ...here. * simplify.c: Moved to... * simplify.cc: ...here. * st.c: Moved to... * st.cc: ...here. * symbol.c: Moved to... * symbol.cc: ...here. * target-memory.c: Moved to... * target-memory.cc: ...here. * trans-array.c: Moved to... * trans-array.cc: ...here. * trans-common.c: Moved to... * trans-common.cc: ...here. * trans-const.c: Moved to... * trans-const.cc: ...here. * trans-decl.c: Moved to... * trans-decl.cc: ...here. * trans-expr.c: Moved to... * trans-expr.cc: ...here. * trans-intrinsic.c: Moved to... * trans-intrinsic.cc: ...here. * trans-io.c: Moved to... * trans-io.cc: ...here. * trans-openmp.c: Moved to... * trans-openmp.cc: ...here. * trans-stmt.c: Moved to... * trans-stmt.cc: ...here. * trans-types.c: Moved to... * trans-types.cc: ...here. * trans.c: Moved to... * trans.cc: ...here. gcc/go/ChangeLog: * go-backend.c: Moved to... * go-backend.cc: ...here. * go-lang.c: Moved to... * go-lang.cc: ...here. * gospec.c: Moved to... * gospec.cc: ...here. gcc/jit/ChangeLog: * dummy-frontend.c: Moved to... * dummy-frontend.cc: ...here. * jit-builtins.c: Moved to... * jit-builtins.cc: ...here. * jit-logging.c: Moved to... * jit-logging.cc: ...here. * jit-playback.c: Moved to... * jit-playback.cc: ...here. * jit-recording.c: Moved to... * jit-recording.cc: ...here. * jit-result.c: Moved to... * jit-result.cc: ...here. * jit-spec.c: Moved to... * jit-spec.cc: ...here. * jit-tempdir.c: Moved to... * jit-tempdir.cc: ...here. * jit-w32.c: Moved to... * jit-w32.cc: ...here. * libgccjit.c: Moved to... * libgccjit.cc: ...here. gcc/lto/ChangeLog: * common.c: Moved to... * common.cc: ...here. * lto-common.c: Moved to... * lto-common.cc: ...here. * lto-dump.c: Moved to... * lto-dump.cc: ...here. * lto-lang.c: Moved to... * lto-lang.cc: ...here. * lto-object.c: Moved to... * lto-object.cc: ...here. * lto-partition.c: Moved to... * lto-partition.cc: ...here. * lto-symtab.c: Moved to... * lto-symtab.cc: ...here. * lto.c: Moved to... * lto.cc: ...here. gcc/objc/ChangeLog: * objc-act.c: Moved to... * objc-act.cc: ...here. * objc-encoding.c: Moved to... * objc-encoding.cc: ...here. * objc-gnu-runtime-abi-01.c: Moved to... * objc-gnu-runtime-abi-01.cc: ...here. * objc-lang.c: Moved to... * objc-lang.cc: ...here. * objc-map.c: Moved to... * objc-map.cc: ...here. * objc-next-runtime-abi-01.c: Moved to... * objc-next-runtime-abi-01.cc: ...here. * objc-next-runtime-abi-02.c: Moved to... * objc-next-runtime-abi-02.cc: ...here. * objc-runtime-shared-support.c: Moved to... * objc-runtime-shared-support.cc: ...here. gcc/objcp/ChangeLog: * objcp-decl.c: Moved to... * objcp-decl.cc: ...here. * objcp-lang.c: Moved to... * objcp-lang.cc: ...here. libcpp/ChangeLog: * charset.c: Moved to... * charset.cc: ...here. * directives.c: Moved to... * directives.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * files.c: Moved to... * files.cc: ...here. * identifiers.c: Moved to... * identifiers.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * line-map.c: Moved to... * line-map.cc: ...here. * macro.c: Moved to... * macro.cc: ...here. * makeucnid.c: Moved to... * makeucnid.cc: ...here. * mkdeps.c: Moved to... * mkdeps.cc: ...here. * pch.c: Moved to... * pch.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * traditional.c: Moved to... * traditional.cc: ...here.
Diffstat (limited to 'gcc/cp/method.c')
-rw-r--r--gcc/cp/method.c3506
1 files changed, 0 insertions, 3506 deletions
diff --git a/gcc/cp/method.c b/gcc/cp/method.c
deleted file mode 100644
index fe1147c..0000000
--- a/gcc/cp/method.c
+++ /dev/null
@@ -1,3506 +0,0 @@
-/* Handle the hair of processing (but not expanding) inline functions.
- Also manage function and variable name overloading.
- Copyright (C) 1987-2022 Free Software Foundation, Inc.
- Contributed by Michael Tiemann (tiemann@cygnus.com)
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
-
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-
-/* Handle method declarations. */
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "target.h"
-#include "cp-tree.h"
-#include "stringpool.h"
-#include "cgraph.h"
-#include "varasm.h"
-#include "toplev.h"
-#include "intl.h"
-#include "common/common-target.h"
-
-static void do_build_copy_assign (tree);
-static void do_build_copy_constructor (tree);
-static tree make_alias_for_thunk (tree);
-
-/* Called once to initialize method.c. */
-
-void
-init_method (void)
-{
- init_mangle ();
-}
-
-/* Return a this or result adjusting thunk to FUNCTION. THIS_ADJUSTING
- indicates whether it is a this or result adjusting thunk.
- FIXED_OFFSET and VIRTUAL_OFFSET indicate how to do the adjustment
- (see thunk_adjust). VIRTUAL_OFFSET can be NULL, but FIXED_OFFSET
- never is. VIRTUAL_OFFSET is the /index/ into the vtable for this
- adjusting thunks, we scale it to a byte offset. For covariant
- thunks VIRTUAL_OFFSET is the virtual binfo. You must post process
- the returned thunk with finish_thunk. */
-
-tree
-make_thunk (tree function, bool this_adjusting,
- tree fixed_offset, tree virtual_offset)
-{
- HOST_WIDE_INT d;
- tree thunk;
-
- gcc_assert (TREE_CODE (function) == FUNCTION_DECL);
- /* We can have this thunks to covariant thunks, but not vice versa. */
- gcc_assert (!DECL_THIS_THUNK_P (function));
- gcc_assert (!DECL_RESULT_THUNK_P (function) || this_adjusting);
-
- /* Scale the VIRTUAL_OFFSET to be in terms of bytes. */
- if (this_adjusting && virtual_offset)
- virtual_offset
- = size_binop (MULT_EXPR,
- virtual_offset,
- convert (ssizetype,
- TYPE_SIZE_UNIT (vtable_entry_type)));
-
- d = tree_to_shwi (fixed_offset);
-
- /* See if we already have the thunk in question. For this_adjusting
- thunks VIRTUAL_OFFSET will be an INTEGER_CST, for covariant thunks it
- will be a BINFO. */
- for (thunk = DECL_THUNKS (function); thunk; thunk = DECL_CHAIN (thunk))
- if (DECL_THIS_THUNK_P (thunk) == this_adjusting
- && THUNK_FIXED_OFFSET (thunk) == d
- && !virtual_offset == !THUNK_VIRTUAL_OFFSET (thunk)
- && (!virtual_offset
- || (this_adjusting
- ? tree_int_cst_equal (THUNK_VIRTUAL_OFFSET (thunk),
- virtual_offset)
- : THUNK_VIRTUAL_OFFSET (thunk) == virtual_offset)))
- return thunk;
-
- /* All thunks must be created before FUNCTION is actually emitted;
- the ABI requires that all thunks be emitted together with the
- function to which they transfer control. */
- gcc_assert (!TREE_ASM_WRITTEN (function));
- /* Likewise, we can only be adding thunks to a function declared in
- the class currently being laid out. */
- gcc_assert (TYPE_SIZE (DECL_CONTEXT (function))
- && TYPE_BEING_DEFINED (DECL_CONTEXT (function)));
-
- thunk = build_decl (DECL_SOURCE_LOCATION (function),
- FUNCTION_DECL, NULL_TREE, TREE_TYPE (function));
- DECL_LANG_SPECIFIC (thunk) = DECL_LANG_SPECIFIC (function);
- cxx_dup_lang_specific_decl (thunk);
- DECL_VIRTUAL_P (thunk) = true;
- SET_DECL_THUNKS (thunk, NULL_TREE);
-
- DECL_CONTEXT (thunk) = DECL_CONTEXT (function);
- TREE_READONLY (thunk) = TREE_READONLY (function);
- TREE_THIS_VOLATILE (thunk) = TREE_THIS_VOLATILE (function);
- TREE_PUBLIC (thunk) = TREE_PUBLIC (function);
- SET_DECL_THUNK_P (thunk, this_adjusting);
- THUNK_TARGET (thunk) = function;
- THUNK_FIXED_OFFSET (thunk) = d;
- THUNK_VIRTUAL_OFFSET (thunk) = virtual_offset;
- THUNK_ALIAS (thunk) = NULL_TREE;
-
- DECL_INTERFACE_KNOWN (thunk) = 1;
- DECL_NOT_REALLY_EXTERN (thunk) = 1;
- DECL_COMDAT (thunk) = DECL_COMDAT (function);
- DECL_SAVED_AUTO_RETURN_TYPE (thunk) = NULL;
- /* The thunk itself is not a constructor or destructor, even if
- the thing it is thunking to is. */
- DECL_CXX_DESTRUCTOR_P (thunk) = 0;
- DECL_CXX_CONSTRUCTOR_P (thunk) = 0;
- DECL_EXTERNAL (thunk) = 1;
- DECL_ARTIFICIAL (thunk) = 1;
- /* The THUNK is not a pending inline, even if the FUNCTION is. */
- DECL_PENDING_INLINE_P (thunk) = 0;
- DECL_DECLARED_INLINE_P (thunk) = 0;
- /* Nor is it a template instantiation. */
- DECL_USE_TEMPLATE (thunk) = 0;
- DECL_TEMPLATE_INFO (thunk) = NULL;
-
- /* Add it to the list of thunks associated with FUNCTION. */
- DECL_CHAIN (thunk) = DECL_THUNKS (function);
- SET_DECL_THUNKS (function, thunk);
-
- return thunk;
-}
-
-/* Finish THUNK, a thunk decl. */
-
-void
-finish_thunk (tree thunk)
-{
- tree function, name;
- tree fixed_offset = ssize_int (THUNK_FIXED_OFFSET (thunk));
- tree virtual_offset = THUNK_VIRTUAL_OFFSET (thunk);
-
- gcc_assert (!DECL_NAME (thunk) && DECL_THUNK_P (thunk));
- if (virtual_offset && DECL_RESULT_THUNK_P (thunk))
- virtual_offset = BINFO_VPTR_FIELD (virtual_offset);
- function = THUNK_TARGET (thunk);
- name = mangle_thunk (function, DECL_THIS_THUNK_P (thunk),
- fixed_offset, virtual_offset, thunk);
-
- /* We can end up with declarations of (logically) different
- covariant thunks, that do identical adjustments. The two thunks
- will be adjusting between within different hierarchies, which
- happen to have the same layout. We must nullify one of them to
- refer to the other. */
- if (DECL_RESULT_THUNK_P (thunk))
- {
- tree cov_probe;
-
- for (cov_probe = DECL_THUNKS (function);
- cov_probe; cov_probe = DECL_CHAIN (cov_probe))
- if (DECL_NAME (cov_probe) == name)
- {
- gcc_assert (!DECL_THUNKS (thunk));
- THUNK_ALIAS (thunk) = (THUNK_ALIAS (cov_probe)
- ? THUNK_ALIAS (cov_probe) : cov_probe);
- break;
- }
- }
-
- DECL_NAME (thunk) = name;
- SET_DECL_ASSEMBLER_NAME (thunk, name);
-}
-
-static GTY (()) int thunk_labelno;
-
-/* Create a static alias to target. */
-
-tree
-make_alias_for (tree target, tree newid)
-{
- tree alias = build_decl (DECL_SOURCE_LOCATION (target),
- TREE_CODE (target), newid, TREE_TYPE (target));
- DECL_LANG_SPECIFIC (alias) = DECL_LANG_SPECIFIC (target);
- cxx_dup_lang_specific_decl (alias);
- DECL_CONTEXT (alias) = DECL_CONTEXT (target);
- TREE_READONLY (alias) = TREE_READONLY (target);
- TREE_THIS_VOLATILE (alias) = TREE_THIS_VOLATILE (target);
- TREE_PUBLIC (alias) = 0;
- DECL_INTERFACE_KNOWN (alias) = 1;
- if (DECL_LANG_SPECIFIC (alias))
- {
- DECL_NOT_REALLY_EXTERN (alias) = 1;
- DECL_USE_TEMPLATE (alias) = 0;
- DECL_TEMPLATE_INFO (alias) = NULL;
- }
- DECL_EXTERNAL (alias) = 0;
- DECL_ARTIFICIAL (alias) = 1;
- DECL_TEMPLATE_INSTANTIATED (alias) = 0;
- if (TREE_CODE (alias) == FUNCTION_DECL)
- {
- DECL_SAVED_AUTO_RETURN_TYPE (alias) = NULL;
- DECL_CXX_DESTRUCTOR_P (alias) = 0;
- DECL_CXX_CONSTRUCTOR_P (alias) = 0;
- DECL_PENDING_INLINE_P (alias) = 0;
- DECL_DECLARED_INLINE_P (alias) = 0;
- DECL_INITIAL (alias) = error_mark_node;
- DECL_ARGUMENTS (alias) = copy_list (DECL_ARGUMENTS (target));
- }
- else
- TREE_STATIC (alias) = 1;
- TREE_ADDRESSABLE (alias) = 1;
- TREE_USED (alias) = 1;
- SET_DECL_ASSEMBLER_NAME (alias, DECL_NAME (alias));
- return alias;
-}
-
-static tree
-make_alias_for_thunk (tree function)
-{
- tree alias;
- char buf[256];
-
- targetm.asm_out.generate_internal_label (buf, "LTHUNK", thunk_labelno);
- thunk_labelno++;
-
- alias = make_alias_for (function, get_identifier (buf));
-
- if (!flag_syntax_only)
- {
- struct cgraph_node *funcn, *aliasn;
- funcn = cgraph_node::get (function);
- gcc_checking_assert (funcn);
- aliasn = cgraph_node::create_same_body_alias (alias, function);
- DECL_ASSEMBLER_NAME (function);
- gcc_assert (aliasn != NULL);
- }
-
- return alias;
-}
-
-/* Emit the definition of a C++ multiple inheritance or covariant
- return vtable thunk. If EMIT_P is nonzero, the thunk is emitted
- immediately. */
-
-void
-use_thunk (tree thunk_fndecl, bool emit_p)
-{
- tree a, t, function, alias;
- tree virtual_offset;
- HOST_WIDE_INT fixed_offset, virtual_value;
- bool this_adjusting = DECL_THIS_THUNK_P (thunk_fndecl);
- struct cgraph_node *funcn, *thunk_node;
-
- /* We should have called finish_thunk to give it a name. */
- gcc_assert (DECL_NAME (thunk_fndecl));
-
- /* We should never be using an alias, always refer to the
- aliased thunk. */
- gcc_assert (!THUNK_ALIAS (thunk_fndecl));
-
- if (TREE_ASM_WRITTEN (thunk_fndecl))
- return;
-
- function = THUNK_TARGET (thunk_fndecl);
- if (DECL_RESULT (thunk_fndecl))
- /* We already turned this thunk into an ordinary function.
- There's no need to process this thunk again. */
- return;
-
- if (DECL_THUNK_P (function))
- /* The target is itself a thunk, process it now. */
- use_thunk (function, emit_p);
-
- /* Thunks are always addressable; they only appear in vtables. */
- TREE_ADDRESSABLE (thunk_fndecl) = 1;
-
- /* Figure out what function is being thunked to. It's referenced in
- this translation unit. */
- TREE_ADDRESSABLE (function) = 1;
- mark_used (function);
- if (!emit_p)
- return;
-
- if (TARGET_USE_LOCAL_THUNK_ALIAS_P (function))
- alias = make_alias_for_thunk (function);
- else
- alias = function;
-
- fixed_offset = THUNK_FIXED_OFFSET (thunk_fndecl);
- virtual_offset = THUNK_VIRTUAL_OFFSET (thunk_fndecl);
-
- if (virtual_offset)
- {
- if (!this_adjusting)
- virtual_offset = BINFO_VPTR_FIELD (virtual_offset);
- virtual_value = tree_to_shwi (virtual_offset);
- gcc_assert (virtual_value);
- }
- else
- virtual_value = 0;
-
- /* And, if we need to emit the thunk, it's used. */
- mark_used (thunk_fndecl);
- /* This thunk is actually defined. */
- DECL_EXTERNAL (thunk_fndecl) = 0;
- /* The linkage of the function may have changed. FIXME in linkage
- rewrite. */
- gcc_assert (DECL_INTERFACE_KNOWN (function));
- TREE_PUBLIC (thunk_fndecl) = TREE_PUBLIC (function);
- DECL_VISIBILITY (thunk_fndecl) = DECL_VISIBILITY (function);
- DECL_VISIBILITY_SPECIFIED (thunk_fndecl)
- = DECL_VISIBILITY_SPECIFIED (function);
- DECL_COMDAT (thunk_fndecl) = DECL_COMDAT (function);
- DECL_WEAK (thunk_fndecl) = DECL_WEAK (function);
-
- if (flag_syntax_only)
- {
- TREE_ASM_WRITTEN (thunk_fndecl) = 1;
- return;
- }
-
- push_to_top_level ();
-
- if (TARGET_USE_LOCAL_THUNK_ALIAS_P (function)
- && targetm_common.have_named_sections)
- {
- tree fn = function;
- struct symtab_node *symbol;
-
- if ((symbol = symtab_node::get (function))
- && symbol->alias)
- {
- if (symbol->analyzed)
- fn = symtab_node::get (function)->ultimate_alias_target ()->decl;
- else
- fn = symtab_node::get (function)->alias_target;
- }
- resolve_unique_section (fn, 0, flag_function_sections);
-
- if (DECL_SECTION_NAME (fn) != NULL && DECL_ONE_ONLY (fn))
- {
- resolve_unique_section (thunk_fndecl, 0, flag_function_sections);
-
- /* Output the thunk into the same section as function. */
- set_decl_section_name (thunk_fndecl, fn);
- symtab_node::get (thunk_fndecl)->implicit_section
- = symtab_node::get (fn)->implicit_section;
- }
- }
-
- /* Set up cloned argument trees for the thunk. */
- t = NULL_TREE;
- for (a = DECL_ARGUMENTS (function); a; a = DECL_CHAIN (a))
- {
- tree x = copy_node (a);
- DECL_CHAIN (x) = t;
- DECL_CONTEXT (x) = thunk_fndecl;
- SET_DECL_RTL (x, NULL);
- DECL_HAS_VALUE_EXPR_P (x) = 0;
- TREE_ADDRESSABLE (x) = 0;
- t = x;
- }
- a = nreverse (t);
- DECL_ARGUMENTS (thunk_fndecl) = a;
- TREE_ASM_WRITTEN (thunk_fndecl) = 1;
- funcn = cgraph_node::get (function);
- gcc_checking_assert (funcn);
- thunk_node = funcn->create_thunk (thunk_fndecl, function,
- this_adjusting, fixed_offset, virtual_value,
- 0, virtual_offset, alias);
- if (DECL_ONE_ONLY (function))
- thunk_node->add_to_same_comdat_group (funcn);
-
- pop_from_top_level ();
-}
-
-/* Code for synthesizing methods which have default semantics defined. */
-
-/* True iff CTYPE has a trivial SFK. */
-
-static bool
-type_has_trivial_fn (tree ctype, special_function_kind sfk)
-{
- switch (sfk)
- {
- case sfk_constructor:
- return !TYPE_HAS_COMPLEX_DFLT (ctype);
- case sfk_copy_constructor:
- return !TYPE_HAS_COMPLEX_COPY_CTOR (ctype);
- case sfk_move_constructor:
- return !TYPE_HAS_COMPLEX_MOVE_CTOR (ctype);
- case sfk_copy_assignment:
- return !TYPE_HAS_COMPLEX_COPY_ASSIGN (ctype);
- case sfk_move_assignment:
- return !TYPE_HAS_COMPLEX_MOVE_ASSIGN (ctype);
- case sfk_destructor:
- case sfk_virtual_destructor:
- return !TYPE_HAS_NONTRIVIAL_DESTRUCTOR (ctype);
- case sfk_inheriting_constructor:
- case sfk_comparison:
- return false;
- default:
- gcc_unreachable ();
- }
-}
-
-/* Note that CTYPE has a non-trivial SFK even though we previously thought
- it was trivial. */
-
-static void
-type_set_nontrivial_flag (tree ctype, special_function_kind sfk)
-{
- switch (sfk)
- {
- case sfk_constructor:
- TYPE_HAS_COMPLEX_DFLT (ctype) = true;
- return;
- case sfk_copy_constructor:
- TYPE_HAS_COMPLEX_COPY_CTOR (ctype) = true;
- return;
- case sfk_move_constructor:
- TYPE_HAS_COMPLEX_MOVE_CTOR (ctype) = true;
- return;
- case sfk_copy_assignment:
- TYPE_HAS_COMPLEX_COPY_ASSIGN (ctype) = true;
- return;
- case sfk_move_assignment:
- TYPE_HAS_COMPLEX_MOVE_ASSIGN (ctype) = true;
- return;
- case sfk_destructor:
- TYPE_HAS_NONTRIVIAL_DESTRUCTOR (ctype) = true;
- return;
- case sfk_inheriting_constructor:
- default:
- gcc_unreachable ();
- }
-}
-
-/* True iff FN is a trivial defaulted member function ([cd]tor, op=). */
-
-bool
-trivial_fn_p (tree fn)
-{
- if (TREE_CODE (fn) == TEMPLATE_DECL)
- return false;
- if (!DECL_DEFAULTED_FN (fn))
- return false;
-
- /* If fn is a clone, get the primary variant. */
- if (tree prim = DECL_CLONED_FUNCTION (fn))
- fn = prim;
- return type_has_trivial_fn (DECL_CONTEXT (fn), special_function_p (fn));
-}
-
-/* PARM is a PARM_DECL for a function which we want to forward to another
- function without changing its value category, a la std::forward. */
-
-tree
-forward_parm (tree parm)
-{
- tree exp = convert_from_reference (parm);
- tree type = TREE_TYPE (parm);
- if (DECL_PACK_P (parm))
- type = PACK_EXPANSION_PATTERN (type);
- if (!TYPE_REF_P (type))
- type = cp_build_reference_type (type, /*rval=*/true);
- warning_sentinel w (warn_useless_cast);
- exp = build_static_cast (input_location, type, exp,
- tf_warning_or_error);
- if (DECL_PACK_P (parm))
- exp = make_pack_expansion (exp);
- return exp;
-}
-
-/* Strip all inheriting constructors, if any, to return the original
- constructor from a (possibly indirect) base class. */
-
-tree
-strip_inheriting_ctors (tree dfn)
-{
- if (!flag_new_inheriting_ctors)
- return dfn;
- tree fn = dfn;
- while (tree inh = DECL_INHERITED_CTOR (fn))
- fn = OVL_FIRST (inh);
-
- if (TREE_CODE (fn) == TEMPLATE_DECL
- && TREE_CODE (dfn) == FUNCTION_DECL)
- fn = DECL_TEMPLATE_RESULT (fn);
- return fn;
-}
-
-/* Find the binfo for the base subobject of BINFO being initialized by
- inherited constructor FNDECL (a member of a direct base of BINFO). */
-
-static tree inherited_ctor_binfo (tree, tree);
-static tree
-inherited_ctor_binfo_1 (tree binfo, tree fndecl)
-{
- tree base = DECL_CONTEXT (fndecl);
- tree base_binfo;
- for (int i = 0; BINFO_BASE_ITERATE (binfo, i, base_binfo); i++)
- if (BINFO_TYPE (base_binfo) == base)
- return inherited_ctor_binfo (base_binfo, fndecl);
-
- gcc_unreachable();
-}
-
-/* Find the binfo for the base subobject of BINFO being initialized by
- inheriting constructor FNDECL (a member of BINFO), or BINFO if FNDECL is not
- an inheriting constructor. */
-
-static tree
-inherited_ctor_binfo (tree binfo, tree fndecl)
-{
- tree inh = DECL_INHERITED_CTOR (fndecl);
- if (!inh)
- return binfo;
-
- tree results = NULL_TREE;
- for (ovl_iterator iter (inh); iter; ++iter)
- {
- tree one = inherited_ctor_binfo_1 (binfo, *iter);
- if (!results)
- results = one;
- else if (one != results)
- results = tree_cons (NULL_TREE, one, results);
- }
- return results;
-}
-
-/* Find the binfo for the base subobject being initialized by inheriting
- constructor FNDECL, or NULL_TREE if FNDECL is not an inheriting
- constructor. */
-
-tree
-inherited_ctor_binfo (tree fndecl)
-{
- if (!DECL_INHERITED_CTOR (fndecl))
- return NULL_TREE;
- tree binfo = TYPE_BINFO (DECL_CONTEXT (fndecl));
- return inherited_ctor_binfo (binfo, fndecl);
-}
-
-
-/* True if we should omit all user-declared parameters from a base
- construtor built from complete constructor FN.
- That's when the ctor is inherited from a virtual base. */
-
-bool
-base_ctor_omit_inherited_parms (tree comp_ctor)
-{
- gcc_checking_assert (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (comp_ctor));
-
- if (!flag_new_inheriting_ctors)
- /* We only optimize away the parameters in the new model. */
- return false;
-
- if (!CLASSTYPE_VBASECLASSES (DECL_CONTEXT (comp_ctor)))
- return false;
-
- if (FUNCTION_FIRST_USER_PARMTYPE (comp_ctor) == void_list_node)
- /* No user-declared parameters to omit. */
- return false;
-
- for (tree binfo = inherited_ctor_binfo (comp_ctor);
- binfo;
- binfo = BINFO_INHERITANCE_CHAIN (binfo))
- if (BINFO_VIRTUAL_P (binfo))
- return true;
-
- return false;
-}
-
-
-/* True if we should omit all user-declared parameters from constructor FN,
- because it is a base clone of a ctor inherited from a virtual base. */
-
-bool
-ctor_omit_inherited_parms (tree fn)
-{
- gcc_checking_assert (TREE_CODE (fn) == FUNCTION_DECL);
-
- if (!DECL_BASE_CONSTRUCTOR_P (fn))
- return false;
-
- return base_ctor_omit_inherited_parms (DECL_CLONED_FUNCTION (fn));
-}
-
-/* True iff constructor(s) INH inherited into BINFO initializes INIT_BINFO.
- This can be true for multiple virtual bases as well as one direct
- non-virtual base. */
-
-static bool
-binfo_inherited_from (tree binfo, tree init_binfo, tree inh)
-{
- /* inh is an OVERLOAD if we inherited the same constructor along
- multiple paths, check all of them. */
- for (ovl_iterator iter (inh); iter; ++iter)
- {
- tree fn = *iter;
- tree base = DECL_CONTEXT (fn);
- tree base_binfo = NULL_TREE;
- for (int i = 0; BINFO_BASE_ITERATE (binfo, i, base_binfo); i++)
- if (BINFO_TYPE (base_binfo) == base)
- break;
- if (base_binfo == init_binfo
- || (flag_new_inheriting_ctors
- && binfo_inherited_from (base_binfo, init_binfo,
- DECL_INHERITED_CTOR (fn))))
- return true;
- }
- return false;
-}
-
-/* Subroutine of do_build_copy_constructor: Add a mem-initializer for BINFO
- given the parameter or parameters PARM, possibly inherited constructor
- base INH, or move flag MOVE_P. */
-
-static tree
-add_one_base_init (tree binfo, tree parm, bool move_p, tree inh,
- tree member_init_list)
-{
- tree init;
- if (inh)
- {
- /* An inheriting constructor only has a mem-initializer for
- the base it inherits from. */
- if (!binfo_inherited_from (TYPE_BINFO (current_class_type), binfo, inh))
- return member_init_list;
-
- tree *p = &init;
- init = NULL_TREE;
- for (; parm; parm = DECL_CHAIN (parm))
- {
- tree exp = forward_parm (parm);
- *p = build_tree_list (NULL_TREE, exp);
- p = &TREE_CHAIN (*p);
- }
- }
- else
- {
- init = build_base_path (PLUS_EXPR, parm, binfo, 1,
- tf_warning_or_error);
- if (move_p)
- init = move (init);
- init = build_tree_list (NULL_TREE, init);
- }
- return tree_cons (binfo, init, member_init_list);
-}
-
-/* Generate code for default X(X&) or X(X&&) constructor or an inheriting
- constructor. */
-
-static void
-do_build_copy_constructor (tree fndecl)
-{
- tree parm = FUNCTION_FIRST_USER_PARM (fndecl);
- bool move_p = DECL_MOVE_CONSTRUCTOR_P (fndecl);
- bool trivial = trivial_fn_p (fndecl);
- tree inh = DECL_INHERITED_CTOR (fndecl);
-
- if (!inh)
- parm = convert_from_reference (parm);
-
- if (trivial)
- {
- if (is_empty_class (current_class_type))
- /* Don't copy the padding byte; it might not have been allocated
- if *this is a base subobject. */;
- else if (tree_int_cst_equal (TYPE_SIZE (current_class_type),
- CLASSTYPE_SIZE (current_class_type)))
- {
- tree t = build2 (INIT_EXPR, void_type_node, current_class_ref, parm);
- finish_expr_stmt (t);
- }
- else
- {
- /* We must only copy the non-tail padding parts. */
- tree base_size = CLASSTYPE_SIZE_UNIT (current_class_type);
- base_size = size_binop (MINUS_EXPR, base_size, size_int (1));
- tree array_type = build_array_type (unsigned_char_type_node,
- build_index_type (base_size));
- tree alias_set = build_int_cst (TREE_TYPE (current_class_ptr), 0);
- tree lhs = build2 (MEM_REF, array_type,
- current_class_ptr, alias_set);
- tree rhs = build2 (MEM_REF, array_type,
- TREE_OPERAND (parm, 0), alias_set);
- tree t = build2 (INIT_EXPR, void_type_node, lhs, rhs);
- finish_expr_stmt (t);
- }
- }
- else
- {
- tree member_init_list = NULL_TREE;
- int i;
- tree binfo, base_binfo;
- vec<tree, va_gc> *vbases;
-
- /* Initialize all the base-classes with the parameter converted
- to their type so that we get their copy constructor and not
- another constructor that takes current_class_type. We must
- deal with the binfo's directly as a direct base might be
- inaccessible due to ambiguity. */
- for (vbases = CLASSTYPE_VBASECLASSES (current_class_type), i = 0;
- vec_safe_iterate (vbases, i, &binfo); i++)
- {
- member_init_list = add_one_base_init (binfo, parm, move_p, inh,
- member_init_list);
- }
-
- for (binfo = TYPE_BINFO (current_class_type), i = 0;
- BINFO_BASE_ITERATE (binfo, i, base_binfo); i++)
- {
- if (BINFO_VIRTUAL_P (base_binfo))
- continue;
- member_init_list = add_one_base_init (base_binfo, parm, move_p,
- inh, member_init_list);
- }
-
- if (!inh)
- {
- int cvquals = cp_type_quals (TREE_TYPE (parm));
-
- for (tree fields = TYPE_FIELDS (current_class_type);
- fields; fields = DECL_CHAIN (fields))
- {
- tree field = fields;
- tree expr_type;
-
- if (TREE_CODE (field) != FIELD_DECL)
- continue;
-
- expr_type = TREE_TYPE (field);
- if (DECL_NAME (field))
- {
- if (VFIELD_NAME_P (DECL_NAME (field)))
- continue;
- }
- else if (ANON_AGGR_TYPE_P (expr_type) && TYPE_FIELDS (expr_type))
- /* Just use the field; anonymous types can't have
- nontrivial copy ctors or assignment ops or this
- function would be deleted. */;
- else
- continue;
-
- /* Compute the type of "init->field". If the copy-constructor
- parameter is, for example, "const S&", and the type of
- the field is "T", then the type will usually be "const
- T". (There are no cv-qualified variants of reference
- types.) */
- if (!TYPE_REF_P (expr_type))
- {
- int quals = cvquals;
-
- if (DECL_MUTABLE_P (field))
- quals &= ~TYPE_QUAL_CONST;
- quals |= cp_type_quals (expr_type);
- expr_type = cp_build_qualified_type (expr_type, quals);
- }
-
- tree init = build3 (COMPONENT_REF, expr_type, parm, field, NULL_TREE);
- if (move_p && !TYPE_REF_P (expr_type)
- /* 'move' breaks bit-fields, and has no effect for scalars. */
- && !scalarish_type_p (expr_type))
- init = move (init);
- init = build_tree_list (NULL_TREE, init);
-
- member_init_list = tree_cons (field, init, member_init_list);
- }
- }
-
- finish_mem_initializers (member_init_list);
- }
-}
-
-static void
-do_build_copy_assign (tree fndecl)
-{
- tree parm = DECL_CHAIN (DECL_ARGUMENTS (fndecl));
- tree compound_stmt;
- bool move_p = move_fn_p (fndecl);
- bool trivial = trivial_fn_p (fndecl);
- int flags = LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED;
-
- compound_stmt = begin_compound_stmt (0);
- parm = convert_from_reference (parm);
-
- if (trivial
- && is_empty_class (current_class_type))
- /* Don't copy the padding byte; it might not have been allocated
- if *this is a base subobject. */;
- else if (trivial)
- {
- tree t = build2 (MODIFY_EXPR, void_type_node, current_class_ref, parm);
- finish_expr_stmt (t);
- }
- else
- {
- tree fields;
- int cvquals = cp_type_quals (TREE_TYPE (parm));
- int i;
- tree binfo, base_binfo;
-
- /* Assign to each of the direct base classes. */
- for (binfo = TYPE_BINFO (current_class_type), i = 0;
- BINFO_BASE_ITERATE (binfo, i, base_binfo); i++)
- {
- tree converted_parm;
-
- /* We must convert PARM directly to the base class
- explicitly since the base class may be ambiguous. */
- converted_parm = build_base_path (PLUS_EXPR, parm, base_binfo, 1,
- tf_warning_or_error);
- if (move_p)
- converted_parm = move (converted_parm);
- /* Call the base class assignment operator. */
- releasing_vec parmvec (make_tree_vector_single (converted_parm));
- finish_expr_stmt
- (build_special_member_call (current_class_ref,
- assign_op_identifier,
- &parmvec,
- base_binfo,
- flags,
- tf_warning_or_error));
- }
-
- /* Assign to each of the non-static data members. */
- for (fields = TYPE_FIELDS (current_class_type);
- fields;
- fields = DECL_CHAIN (fields))
- {
- tree comp = current_class_ref;
- tree init = parm;
- tree field = fields;
- tree expr_type;
- int quals;
-
- if (TREE_CODE (field) != FIELD_DECL || DECL_ARTIFICIAL (field))
- continue;
-
- expr_type = TREE_TYPE (field);
-
- if (CP_TYPE_CONST_P (expr_type))
- {
- error ("non-static const member %q#D, cannot use default "
- "assignment operator", field);
- continue;
- }
- else if (TYPE_REF_P (expr_type))
- {
- error ("non-static reference member %q#D, cannot use "
- "default assignment operator", field);
- continue;
- }
-
- if (DECL_NAME (field))
- {
- if (VFIELD_NAME_P (DECL_NAME (field)))
- continue;
- }
- else if (ANON_AGGR_TYPE_P (expr_type)
- && TYPE_FIELDS (expr_type) != NULL_TREE)
- /* Just use the field; anonymous types can't have
- nontrivial copy ctors or assignment ops or this
- function would be deleted. */;
- else
- continue;
-
- comp = build3 (COMPONENT_REF, expr_type, comp, field, NULL_TREE);
-
- /* Compute the type of init->field */
- quals = cvquals;
- if (DECL_MUTABLE_P (field))
- quals &= ~TYPE_QUAL_CONST;
- expr_type = cp_build_qualified_type (expr_type, quals);
-
- init = build3 (COMPONENT_REF, expr_type, init, field, NULL_TREE);
- if (move_p && !TYPE_REF_P (expr_type)
- /* 'move' breaks bit-fields, and has no effect for scalars. */
- && !scalarish_type_p (expr_type))
- init = move (init);
-
- if (DECL_NAME (field))
- init = cp_build_modify_expr (input_location, comp, NOP_EXPR, init,
- tf_warning_or_error);
- else
- init = build2 (MODIFY_EXPR, TREE_TYPE (comp), comp, init);
- finish_expr_stmt (init);
- }
- }
- finish_return_stmt (current_class_ref);
- finish_compound_stmt (compound_stmt);
-}
-
-/* C++20 <compare> comparison category types. */
-
-enum comp_cat_tag
-{
- cc_partial_ordering,
- cc_weak_ordering,
- cc_strong_ordering,
- cc_last
-};
-
-/* Names of the comparison categories and their value members, to be indexed by
- comp_cat_tag enumerators. genericize_spaceship below relies on the ordering
- of the members. */
-
-struct comp_cat_info_t
-{
- const char *name;
- const char *members[4];
-};
-static const comp_cat_info_t comp_cat_info[cc_last]
-= {
- { "partial_ordering", { "equivalent", "greater", "less", "unordered" } },
- { "weak_ordering", { "equivalent", "greater", "less" } },
- { "strong_ordering", { "equal", "greater", "less" } }
-};
-
-/* A cache of the category types to speed repeated lookups. */
-
-static GTY((deletable)) tree comp_cat_cache[cc_last];
-
-/* Look up one of the result variables in the comparison category type. */
-
-static tree
-lookup_comparison_result (tree type, const char *name_str,
- tsubst_flags_t complain = tf_warning_or_error)
-{
- tree name = get_identifier (name_str);
- tree decl = lookup_qualified_name (type, name);
- if (TREE_CODE (decl) != VAR_DECL)
- {
- if (complain & tf_error)
- {
- auto_diagnostic_group d;
- if (decl == error_mark_node || TREE_CODE (decl) == TREE_LIST)
- qualified_name_lookup_error (type, name, decl, input_location);
- else
- error ("%qD is not a static data member", decl);
- inform (input_location, "determining value of %qs", "operator<=>");
- }
- return error_mark_node;
- }
- return decl;
-}
-
-/* Look up a <compare> comparison category type in std. */
-
-static tree
-lookup_comparison_category (comp_cat_tag tag,
- tsubst_flags_t complain = tf_warning_or_error)
-{
- if (tree cached = comp_cat_cache[tag])
- return cached;
-
- tree name = get_identifier (comp_cat_info[tag].name);
- tree decl = lookup_qualified_name (std_node, name);
- if (TREE_CODE (decl) != TYPE_DECL)
- {
- if (complain & tf_error)
- {
- auto_diagnostic_group d;
- if (decl == error_mark_node || TREE_CODE (decl) == TREE_LIST)
- qualified_name_lookup_error (std_node, name, decl, input_location);
- else
- error ("%qD is not a type", decl);
- inform (input_location, "forming type of %qs", "operator<=>");
- }
- return error_mark_node;
- }
- /* Also make sure we can look up the value members now, since we won't
- really use them until genericize time. */
- tree type = TREE_TYPE (decl);
- for (int i = 0; i < 4; ++i)
- {
- const char *p = comp_cat_info[tag].members[i];
- if (!p) break;
- if (lookup_comparison_result (type, p, complain)
- == error_mark_node)
- return error_mark_node;
- }
- return comp_cat_cache[tag] = type;
-}
-
-/* Wrapper that takes the tag rather than the type. */
-
-static tree
-lookup_comparison_result (comp_cat_tag tag, const char *name_str,
- tsubst_flags_t complain = tf_warning_or_error)
-{
- tree type = lookup_comparison_category (tag, complain);
- return lookup_comparison_result (type, name_str, complain);
-}
-
-/* Wrapper that takes the index into the members array instead of the name. */
-
-static tree
-lookup_comparison_result (comp_cat_tag tag, tree type, int idx)
-{
- const char *name_str = comp_cat_info[tag].members[idx];
- if (!name_str)
- return NULL_TREE;
- return lookup_comparison_result (type, name_str);
-}
-
-/* Does TYPE correspond to TAG? */
-
-static bool
-is_cat (tree type, comp_cat_tag tag)
-{
- tree name = TYPE_LINKAGE_IDENTIFIER (type);
- return id_equal (name, comp_cat_info[tag].name);
-}
-
-/* Return the comp_cat_tag for TYPE. */
-
-static comp_cat_tag
-cat_tag_for (tree type)
-{
- if (!CLASS_TYPE_P (type) || !decl_in_std_namespace_p (TYPE_MAIN_DECL (type)))
- return cc_last;
- for (int i = 0; i < cc_last; ++i)
- {
- comp_cat_tag tag = (comp_cat_tag)i;
- if (is_cat (type, tag))
- return tag;
- }
- return cc_last;
-}
-
-/* Return the comparison category tag of a <=> expression with non-class type
- OPTYPE. */
-
-static comp_cat_tag
-spaceship_comp_cat (tree optype)
-{
- if (INTEGRAL_OR_ENUMERATION_TYPE_P (optype) || TYPE_PTROBV_P (optype))
- return cc_strong_ordering;
- else if (TREE_CODE (optype) == REAL_TYPE)
- return cc_partial_ordering;
-
- /* ??? should vector <=> produce a vector of one of the above? */
- gcc_unreachable ();
-}
-
-/* Return the comparison category type of a <=> expression with non-class type
- OPTYPE. */
-
-tree
-spaceship_type (tree optype, tsubst_flags_t complain)
-{
- comp_cat_tag tag = spaceship_comp_cat (optype);
- return lookup_comparison_category (tag, complain);
-}
-
-/* Turn <=> with type TYPE and operands OP0 and OP1 into GENERIC.
- This is also used by build_comparison_op for fallback to op< and op==
- in a defaulted op<=>. */
-
-tree
-genericize_spaceship (location_t loc, tree type, tree op0, tree op1)
-{
- /* ??? maybe optimize based on knowledge of representation? */
- comp_cat_tag tag = cat_tag_for (type);
-
- if (tag == cc_last && is_auto (type))
- {
- /* build_comparison_op is checking to see if we want to suggest changing
- the op<=> return type from auto to a specific comparison category; any
- category will do for now. */
- tag = cc_strong_ordering;
- type = lookup_comparison_category (tag, tf_none);
- if (type == error_mark_node)
- return error_mark_node;
- }
-
- gcc_checking_assert (tag < cc_last);
-
- tree r;
- bool scalar = SCALAR_TYPE_P (TREE_TYPE (op0));
- if (scalar)
- {
- op0 = save_expr (op0);
- op1 = save_expr (op1);
- }
-
- tree gt = lookup_comparison_result (tag, type, 1);
-
- int flags = LOOKUP_NORMAL;
- tsubst_flags_t complain = tf_none;
- tree comp;
-
- if (tag == cc_partial_ordering)
- {
- /* op0 == op1 ? equivalent : op0 < op1 ? less :
- op1 < op0 ? greater : unordered */
- tree uo = lookup_comparison_result (tag, type, 3);
- if (scalar)
- {
- /* For scalars use the low level operations; using build_new_op causes
- trouble with constexpr eval in the middle of genericize (100367). */
- comp = fold_build2 (LT_EXPR, boolean_type_node, op1, op0);
- r = fold_build3 (COND_EXPR, type, comp, gt, uo);
- }
- else
- {
- comp = build_new_op (loc, LT_EXPR, flags, op1, op0, complain);
- r = build_conditional_expr (loc, comp, gt, uo, complain);
- }
- }
- else
- /* op0 == op1 ? equal : op0 < op1 ? less : greater */
- r = gt;
-
- tree lt = lookup_comparison_result (tag, type, 2);
- if (scalar)
- {
- comp = fold_build2 (LT_EXPR, boolean_type_node, op0, op1);
- r = fold_build3 (COND_EXPR, type, comp, lt, r);
- }
- else
- {
- comp = build_new_op (loc, LT_EXPR, flags, op0, op1, complain);
- r = build_conditional_expr (loc, comp, lt, r, complain);
- }
-
- tree eq = lookup_comparison_result (tag, type, 0);
- if (scalar)
- {
- comp = fold_build2 (EQ_EXPR, boolean_type_node, op0, op1);
- r = fold_build3 (COND_EXPR, type, comp, eq, r);
- }
- else
- {
- comp = build_new_op (loc, EQ_EXPR, flags, op0, op1, complain);
- r = build_conditional_expr (loc, comp, eq, r, complain);
- }
-
- return r;
-}
-
-/* Check that the signature of a defaulted comparison operator is
- well-formed. */
-
-static bool
-early_check_defaulted_comparison (tree fn)
-{
- location_t loc = DECL_SOURCE_LOCATION (fn);
- tree ctx;
- if (DECL_CLASS_SCOPE_P (fn))
- ctx = DECL_CONTEXT (fn);
- else
- ctx = DECL_FRIEND_CONTEXT (fn);
- bool ok = true;
-
- if (cxx_dialect < cxx20)
- {
- error_at (loc, "defaulted %qD only available with %<-std=c++20%> or "
- "%<-std=gnu++20%>", fn);
- return false;
- }
-
- if (!DECL_OVERLOADED_OPERATOR_IS (fn, SPACESHIP_EXPR)
- && !same_type_p (TREE_TYPE (TREE_TYPE (fn)), boolean_type_node))
- {
- diagnostic_t kind = DK_UNSPECIFIED;
- int opt = 0;
- if (is_auto (TREE_TYPE (fn)))
- kind = DK_PEDWARN;
- else
- kind = DK_ERROR;
- emit_diagnostic (kind, loc, opt,
- "defaulted %qD must return %<bool%>", fn);
- if (kind == DK_ERROR)
- ok = false;
- }
-
- bool mem = DECL_NONSTATIC_MEMBER_FUNCTION_P (fn);
- if (mem && type_memfn_quals (TREE_TYPE (fn)) != TYPE_QUAL_CONST)
- {
- error_at (loc, "defaulted %qD must be %<const%>", fn);
- ok = false;
- }
- if (mem && type_memfn_rqual (TREE_TYPE (fn)) == REF_QUAL_RVALUE)
- {
- error_at (loc, "defaulted %qD must not have %<&&%> ref-qualifier", fn);
- ok = false;
- }
- tree parmnode = FUNCTION_FIRST_USER_PARMTYPE (fn);
- bool saw_byval = false;
- bool saw_byref = mem;
- bool saw_bad = false;
- for (; parmnode != void_list_node; parmnode = TREE_CHAIN (parmnode))
- {
- tree parmtype = TREE_VALUE (parmnode);
- if (CLASS_TYPE_P (parmtype))
- saw_byval = true;
- else if (TREE_CODE (parmtype) == REFERENCE_TYPE
- && !TYPE_REF_IS_RVALUE (parmtype)
- && TYPE_QUALS (TREE_TYPE (parmtype)) == TYPE_QUAL_CONST)
- {
- saw_byref = true;
- parmtype = TREE_TYPE (parmtype);
- }
- else
- saw_bad = true;
-
- if (!saw_bad && !ctx)
- {
- /* Defaulted outside the class body. */
- ctx = TYPE_MAIN_VARIANT (parmtype);
- if (!is_friend (ctx, fn))
- error_at (loc, "defaulted %qD is not a friend of %qT", fn, ctx);
- }
- else if (!same_type_ignoring_top_level_qualifiers_p (parmtype, ctx))
- saw_bad = true;
- }
-
- if (saw_bad || (saw_byval && saw_byref))
- {
- if (DECL_NONSTATIC_MEMBER_FUNCTION_P (fn))
- error_at (loc, "defaulted member %qD must have parameter type "
- "%<const %T&%>", fn, ctx);
- else if (saw_bad)
- error_at (loc, "defaulted %qD must have parameters of either type "
- "%<const %T&%> or %qT", fn, ctx, ctx);
- else
- error_at (loc, "defaulted %qD must have parameters of either type "
- "%<const %T&%> or %qT, not both", fn, ctx, ctx);
- ok = false;
- }
-
- /* We still need to deduce deleted/constexpr/noexcept and maybe return. */
- DECL_MAYBE_DELETED (fn) = ok;
-
- return ok;
-}
-
-/* Subroutine of build_comparison_op. Given the vec of memberwise
- comparisons COMPS, calculate the overall comparison category for
- operator<=>. */
-
-static tree
-common_comparison_type (vec<tree> &comps)
-{
- tree seen[cc_last] = {};
-
- for (unsigned i = 0; i < comps.length(); ++i)
- {
- tree comp = comps[i];
- if (TREE_CODE (comp) == TREE_LIST)
- comp = TREE_VALUE (comp);
- tree ctype = TREE_TYPE (comp);
- comp_cat_tag tag = cat_tag_for (ctype);
- /* build_comparison_op already checked this. */
- gcc_checking_assert (tag < cc_last);
- seen[tag] = ctype;
- }
-
- /* Otherwise, if at least one T i is std::partial_ordering, U is
- std::partial_ordering. */
- if (tree t = seen[cc_partial_ordering]) return t;
-
- /* Otherwise, if at least one T i is std::weak_ordering, U is
- std::weak_ordering. */
- if (tree t = seen[cc_weak_ordering]) return t;
-
- /* Otherwise, U is std::strong_ordering. */
- if (tree t = seen[cc_strong_ordering]) return t;
- return lookup_comparison_category (cc_strong_ordering);
-}
-
-/* Data structure for build_comparison_op. */
-
-struct comp_info
-{
- tree fndecl;
- location_t loc;
- tsubst_flags_t complain;
- tree_code code;
- comp_cat_tag retcat;
- bool first_time;
- bool constexp;
- bool was_constexp;
- bool noex;
-
- comp_info (tree fndecl, tsubst_flags_t complain)
- : fndecl (fndecl), complain (complain)
- {
- loc = DECL_SOURCE_LOCATION (fndecl);
-
- first_time = DECL_MAYBE_DELETED (fndecl);
- DECL_MAYBE_DELETED (fndecl) = false;
-
- /* Do we want to try to set constexpr? */
- was_constexp = DECL_DECLARED_CONSTEXPR_P (fndecl);
- constexp = first_time;
- if (constexp)
- /* Set this for var_in_constexpr_fn. */
- DECL_DECLARED_CONSTEXPR_P (fndecl) = true;
-
- /* Do we want to try to set noexcept? */
- noex = first_time;
- if (noex)
- {
- tree raises = TYPE_RAISES_EXCEPTIONS (TREE_TYPE (fndecl));
- if (raises && !UNEVALUATED_NOEXCEPT_SPEC_P (raises))
- /* There was an explicit exception-specification. */
- noex = false;
- }
- }
-
- /* EXPR is an expression built as part of the function body.
- Adjust the properties appropriately. */
- void check (tree expr)
- {
- if (expr == error_mark_node)
- DECL_DELETED_FN (fndecl) = true;
- if ((constexp || was_constexp)
- && !potential_rvalue_constant_expression (expr))
- {
- if (was_constexp)
- require_potential_rvalue_constant_expression (expr);
- else
- constexp = false;
- }
- if (noex && !expr_noexcept_p (expr, tf_none))
- noex = false;
- }
-
- ~comp_info ()
- {
- if (first_time)
- {
- DECL_DECLARED_CONSTEXPR_P (fndecl) = constexp || was_constexp;
- tree raises = TYPE_RAISES_EXCEPTIONS (TREE_TYPE (fndecl));
- if (!raises || UNEVALUATED_NOEXCEPT_SPEC_P (raises))
- {
- raises = noex ? noexcept_true_spec : noexcept_false_spec;
- TREE_TYPE (fndecl) = build_exception_variant (TREE_TYPE (fndecl),
- raises);
- }
- }
- }
-};
-
-/* Subroutine of build_comparison_op, to compare a single subobject. */
-
-static tree
-do_one_comp (location_t loc, const comp_info &info, tree sub, tree lhs, tree rhs)
-{
- const tree_code code = info.code;
- const tree fndecl = info.fndecl;
- const comp_cat_tag retcat = info.retcat;
- const tsubst_flags_t complain = info.complain;
-
- tree overload = NULL_TREE;
- int flags = LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED;
- /* If we have an explicit comparison category return type we can fall back
- to </=, so don't give an error yet if <=> lookup fails. */
- bool tentative = retcat != cc_last;
- tree comp = build_new_op (loc, code, flags, lhs, rhs,
- NULL_TREE, NULL_TREE, &overload,
- tentative ? tf_none : complain);
-
- if (code != SPACESHIP_EXPR)
- return comp;
-
- tree rettype = TREE_TYPE (TREE_TYPE (fndecl));
-
- if (comp == error_mark_node)
- {
- if (overload == NULL_TREE && (tentative || complain))
- {
- /* No viable <=>, try using op< and op==. */
- tree lteq = genericize_spaceship (loc, rettype, lhs, rhs);
- if (lteq != error_mark_node)
- {
- /* We found usable < and ==. */
- if (retcat != cc_last)
- /* Return type is a comparison category, use them. */
- comp = lteq;
- else if (complain & tf_error)
- /* Return type is auto, suggest changing it. */
- inform (info.loc, "changing the return type from %qs "
- "to a comparison category type will allow the "
- "comparison to use %qs and %qs", "auto",
- "operator<", "operator==");
- }
- else if (tentative && complain)
- /* No usable < and ==, give an error for op<=>. */
- build_new_op (loc, code, flags, lhs, rhs, complain);
- }
- if (comp == error_mark_node)
- return error_mark_node;
- }
-
- if (FNDECL_USED_AUTO (fndecl)
- && cat_tag_for (TREE_TYPE (comp)) == cc_last)
- {
- /* The operator function is defined as deleted if ... Ri is not a
- comparison category type. */
- if (complain & tf_error)
- inform (loc,
- "three-way comparison of %qD has type %qT, not a "
- "comparison category type", sub, TREE_TYPE (comp));
- return error_mark_node;
- }
- else if (!FNDECL_USED_AUTO (fndecl)
- && !can_convert (rettype, TREE_TYPE (comp), complain))
- {
- if (complain & tf_error)
- error_at (loc,
- "three-way comparison of %qD has type %qT, which "
- "does not convert to %qT",
- sub, TREE_TYPE (comp), rettype);
- return error_mark_node;
- }
-
- return comp;
-}
-
-/* Build up the definition of a defaulted comparison operator. Unlike other
- defaulted functions that use synthesized_method_walk to determine whether
- the function is e.g. deleted, for comparisons we use the same code. We try
- to use synthesize_method at the earliest opportunity and bail out if the
- function ends up being deleted. */
-
-void
-build_comparison_op (tree fndecl, bool defining, tsubst_flags_t complain)
-{
- comp_info info (fndecl, complain);
-
- if (!defining && !(complain & tf_error) && !DECL_MAYBE_DELETED (fndecl))
- return;
-
- int flags = LOOKUP_NORMAL;
- const ovl_op_info_t *op = IDENTIFIER_OVL_OP_INFO (DECL_NAME (fndecl));
- tree_code code = info.code = op->tree_code;
-
- tree lhs = DECL_ARGUMENTS (fndecl);
- tree rhs = DECL_CHAIN (lhs);
- if (is_this_parameter (lhs))
- lhs = cp_build_fold_indirect_ref (lhs);
- else
- lhs = convert_from_reference (lhs);
- rhs = convert_from_reference (rhs);
- tree ctype = TYPE_MAIN_VARIANT (TREE_TYPE (lhs));
- gcc_assert (!defining || COMPLETE_TYPE_P (ctype));
-
- iloc_sentinel ils (info.loc);
-
- /* A defaulted comparison operator function for class C is defined as
- deleted if ... C has variant members. */
- if (TREE_CODE (ctype) == UNION_TYPE
- && next_initializable_field (TYPE_FIELDS (ctype)))
- {
- if (complain & tf_error)
- inform (info.loc, "cannot default compare union %qT", ctype);
- DECL_DELETED_FN (fndecl) = true;
- return;
- }
-
- tree compound_stmt = NULL_TREE;
- if (defining)
- compound_stmt = begin_compound_stmt (0);
- else
- ++cp_unevaluated_operand;
-
- tree rettype = TREE_TYPE (TREE_TYPE (fndecl));
- if (code != SPACESHIP_EXPR && is_auto (rettype))
- {
- rettype = boolean_type_node;
- apply_deduced_return_type (fndecl, rettype);
- }
-
- if (code == EQ_EXPR || code == SPACESHIP_EXPR)
- {
- comp_cat_tag &retcat = (info.retcat = cc_last);
- if (code == SPACESHIP_EXPR && !FNDECL_USED_AUTO (fndecl))
- retcat = cat_tag_for (rettype);
-
- bool bad = false;
- auto_vec<tree> comps;
-
- /* Compare the base subobjects. We handle them this way, rather than in
- the field loop below, because maybe_instantiate_noexcept might bring
- us here before we've built the base fields. */
- for (tree base_binfo : BINFO_BASE_BINFOS (TYPE_BINFO (ctype)))
- {
- tree lhs_base
- = build_base_path (PLUS_EXPR, lhs, base_binfo, 0, complain);
- tree rhs_base
- = build_base_path (PLUS_EXPR, rhs, base_binfo, 0, complain);
-
- location_t loc = DECL_SOURCE_LOCATION (TYPE_MAIN_DECL (ctype));
- tree comp = do_one_comp (loc, info, BINFO_TYPE (base_binfo),
- lhs_base, rhs_base);
- if (comp == error_mark_node)
- {
- bad = true;
- continue;
- }
-
- comps.safe_push (comp);
- }
-
- /* Now compare the field subobjects. */
- for (tree field = next_initializable_field (TYPE_FIELDS (ctype));
- field;
- field = next_initializable_field (DECL_CHAIN (field)))
- {
- if (DECL_VIRTUAL_P (field) || DECL_FIELD_IS_BASE (field))
- /* We ignore the vptr, and we already handled bases. */
- continue;
-
- tree expr_type = TREE_TYPE (field);
-
- location_t field_loc = DECL_SOURCE_LOCATION (field);
-
- /* A defaulted comparison operator function for class C is defined as
- deleted if any non-static data member of C is of reference type or
- C has variant members. */
- if (TREE_CODE (expr_type) == REFERENCE_TYPE)
- {
- if (complain & tf_error)
- inform (field_loc, "cannot default compare "
- "reference member %qD", field);
- bad = true;
- continue;
- }
- else if (ANON_UNION_TYPE_P (expr_type)
- && next_initializable_field (TYPE_FIELDS (expr_type)))
- {
- if (complain & tf_error)
- inform (field_loc, "cannot default compare "
- "anonymous union member");
- bad = true;
- continue;
- }
-
- tree lhs_mem = build3_loc (field_loc, COMPONENT_REF, expr_type, lhs,
- field, NULL_TREE);
- tree rhs_mem = build3_loc (field_loc, COMPONENT_REF, expr_type, rhs,
- field, NULL_TREE);
- tree loop_indexes = NULL_TREE;
- while (TREE_CODE (expr_type) == ARRAY_TYPE)
- {
- /* Flexible array member. */
- if (TYPE_DOMAIN (expr_type) == NULL_TREE
- || TYPE_MAX_VALUE (TYPE_DOMAIN (expr_type)) == NULL_TREE)
- {
- if (complain & tf_error)
- inform (field_loc, "cannot default compare "
- "flexible array member");
- bad = true;
- break;
- }
- tree maxval = TYPE_MAX_VALUE (TYPE_DOMAIN (expr_type));
- /* [0] array. No subobjects to compare, just skip it. */
- if (integer_all_onesp (maxval))
- break;
- tree idx;
- /* [1] array, no loop needed, just add [0] ARRAY_REF.
- Similarly if !defining. */
- if (integer_zerop (maxval) || !defining)
- idx = size_zero_node;
- /* Some other array, will need runtime loop. */
- else
- {
- idx = force_target_expr (sizetype, maxval, complain);
- loop_indexes = tree_cons (idx, NULL_TREE, loop_indexes);
- }
- expr_type = TREE_TYPE (expr_type);
- lhs_mem = build4_loc (field_loc, ARRAY_REF, expr_type, lhs_mem,
- idx, NULL_TREE, NULL_TREE);
- rhs_mem = build4_loc (field_loc, ARRAY_REF, expr_type, rhs_mem,
- idx, NULL_TREE, NULL_TREE);
- }
- if (TREE_CODE (expr_type) == ARRAY_TYPE)
- continue;
-
- tree comp = do_one_comp (field_loc, info, field, lhs_mem, rhs_mem);
- if (comp == error_mark_node)
- {
- bad = true;
- continue;
- }
-
- /* Most of the time, comp is the expression that should be evaluated
- to compare the two members. If the expression needs to be
- evaluated more than once in a loop, it will be a TREE_LIST
- instead, whose TREE_VALUE is the expression for one array element,
- TREE_PURPOSE is innermost iterator temporary and if the array
- is multidimensional, TREE_CHAIN will contain another TREE_LIST
- with second innermost iterator in its TREE_PURPOSE and so on. */
- if (loop_indexes)
- {
- TREE_VALUE (loop_indexes) = comp;
- comp = loop_indexes;
- }
- comps.safe_push (comp);
- }
- if (code == SPACESHIP_EXPR && is_auto (rettype))
- {
- rettype = common_comparison_type (comps);
- apply_deduced_return_type (fndecl, rettype);
- }
- if (bad)
- {
- DECL_DELETED_FN (fndecl) = true;
- goto out;
- }
- for (unsigned i = 0; i < comps.length(); ++i)
- {
- tree comp = comps[i];
- tree eq, retval = NULL_TREE, if_ = NULL_TREE;
- tree loop_indexes = NULL_TREE;
- if (defining)
- {
- if (TREE_CODE (comp) == TREE_LIST)
- {
- loop_indexes = comp;
- comp = TREE_VALUE (comp);
- loop_indexes = nreverse (loop_indexes);
- for (tree loop_index = loop_indexes; loop_index;
- loop_index = TREE_CHAIN (loop_index))
- {
- tree for_stmt = begin_for_stmt (NULL_TREE, NULL_TREE);
- tree idx = TREE_PURPOSE (loop_index);
- tree maxval = TARGET_EXPR_INITIAL (idx);
- TARGET_EXPR_INITIAL (idx) = size_zero_node;
- add_stmt (idx);
- finish_init_stmt (for_stmt);
- finish_for_cond (build2 (LE_EXPR, boolean_type_node, idx,
- maxval), for_stmt, false, 0);
- finish_for_expr (cp_build_unary_op (PREINCREMENT_EXPR,
- TARGET_EXPR_SLOT (idx),
- false, complain),
- for_stmt);
- /* Store in TREE_VALUE the for_stmt tree, so that we can
- later on call finish_for_stmt on it (in the reverse
- order). */
- TREE_VALUE (loop_index) = for_stmt;
- }
- loop_indexes = nreverse (loop_indexes);
- }
- if_ = begin_if_stmt ();
- }
- /* Spaceship is specified to use !=, but for the comparison category
- types, != is equivalent to !(==), so let's use == directly. */
- if (code == EQ_EXPR)
- {
- /* if (x==y); else return false; */
- eq = comp;
- retval = boolean_false_node;
- }
- else
- {
- /* if (auto v = x<=>y, v == 0); else return v; */
- if (TREE_CODE (comp) == SPACESHIP_EXPR)
- TREE_TYPE (comp) = rettype;
- else
- comp = build_static_cast (input_location, rettype, comp,
- complain);
- info.check (comp);
- if (defining)
- {
- tree var = create_temporary_var (rettype);
- pushdecl (var);
- cp_finish_decl (var, comp, false, NULL_TREE, flags);
- comp = retval = var;
- }
- eq = build_new_op (info.loc, EQ_EXPR, flags, comp,
- integer_zero_node, NULL_TREE, NULL_TREE,
- NULL, complain);
- }
- tree ceq = contextual_conv_bool (eq, complain);
- info.check (ceq);
- if (defining)
- {
- finish_if_stmt_cond (ceq, if_);
- finish_then_clause (if_);
- begin_else_clause (if_);
- finish_return_stmt (retval);
- finish_else_clause (if_);
- finish_if_stmt (if_);
- for (tree loop_index = loop_indexes; loop_index;
- loop_index = TREE_CHAIN (loop_index))
- finish_for_stmt (TREE_VALUE (loop_index));
- }
- }
- if (defining)
- {
- tree val;
- if (code == EQ_EXPR)
- val = boolean_true_node;
- else
- {
- tree seql = lookup_comparison_result (cc_strong_ordering,
- "equal", complain);
- val = build_static_cast (input_location, rettype, seql,
- complain);
- }
- finish_return_stmt (val);
- }
- }
- else if (code == NE_EXPR)
- {
- tree comp = build_new_op (info.loc, EQ_EXPR, flags, lhs, rhs,
- NULL_TREE, NULL_TREE, NULL, complain);
- comp = contextual_conv_bool (comp, complain);
- info.check (comp);
- if (defining)
- {
- tree neg = build1 (TRUTH_NOT_EXPR, boolean_type_node, comp);
- finish_return_stmt (neg);
- }
- }
- else
- {
- tree comp = build_new_op (info.loc, SPACESHIP_EXPR, flags, lhs, rhs,
- NULL_TREE, NULL_TREE, NULL, complain);
- tree comp2 = build_new_op (info.loc, code, flags, comp, integer_zero_node,
- NULL_TREE, NULL_TREE, NULL, complain);
- info.check (comp2);
- if (defining)
- finish_return_stmt (comp2);
- }
-
- out:
- if (defining)
- finish_compound_stmt (compound_stmt);
- else
- --cp_unevaluated_operand;
-}
-
-/* True iff DECL is an implicitly-declared special member function with no real
- source location, so we can use its DECL_SOURCE_LOCATION to remember where we
- triggered its synthesis. */
-
-bool
-decl_remember_implicit_trigger_p (tree decl)
-{
- if (!DECL_ARTIFICIAL (decl))
- return false;
- special_function_kind sfk = special_function_p (decl);
- /* Inherited constructors have the location of their using-declaration, and
- operator== has the location of the corresponding operator<=>. */
- return (sfk != sfk_inheriting_constructor
- && sfk != sfk_comparison);
-}
-
-/* Synthesize FNDECL, a non-static member function. */
-
-void
-synthesize_method (tree fndecl)
-{
- bool nested = (current_function_decl != NULL_TREE);
- tree context = decl_function_context (fndecl);
- bool need_body = true;
- tree stmt;
- location_t save_input_location = input_location;
- int error_count = errorcount;
- int warning_count = warningcount + werrorcount;
- special_function_kind sfk = special_function_p (fndecl);
-
- /* Reset the source location, we might have been previously
- deferred, and thus have saved where we were first needed. */
- if (decl_remember_implicit_trigger_p (fndecl))
- DECL_SOURCE_LOCATION (fndecl)
- = DECL_SOURCE_LOCATION (TYPE_NAME (DECL_CONTEXT (fndecl)));
-
- /* If we've been asked to synthesize a clone, just synthesize the
- cloned function instead. Doing so will automatically fill in the
- body for the clone. */
- if (DECL_CLONED_FUNCTION_P (fndecl))
- fndecl = DECL_CLONED_FUNCTION (fndecl);
-
- /* We may be in the middle of deferred access check. Disable
- it now. */
- push_deferring_access_checks (dk_no_deferred);
-
- if (! context)
- push_to_top_level ();
- else if (nested)
- push_function_context ();
-
- input_location = DECL_SOURCE_LOCATION (fndecl);
-
- start_preparsed_function (fndecl, NULL_TREE, SF_DEFAULT | SF_PRE_PARSED);
- stmt = begin_function_body ();
-
- if (DECL_ASSIGNMENT_OPERATOR_P (fndecl)
- && DECL_OVERLOADED_OPERATOR_IS (fndecl, NOP_EXPR))
- {
- do_build_copy_assign (fndecl);
- need_body = false;
- }
- else if (DECL_CONSTRUCTOR_P (fndecl))
- {
- tree arg_chain = FUNCTION_FIRST_USER_PARMTYPE (fndecl);
- if (arg_chain != void_list_node)
- do_build_copy_constructor (fndecl);
- else
- finish_mem_initializers (NULL_TREE);
- }
- else if (sfk == sfk_comparison)
- {
- /* Pass tf_none so the function is just deleted if there's a problem. */
- build_comparison_op (fndecl, true, tf_none);
- need_body = false;
- }
-
- /* If we haven't yet generated the body of the function, just
- generate an empty compound statement. */
- if (need_body)
- {
- tree compound_stmt;
- compound_stmt = begin_compound_stmt (BCS_FN_BODY);
- finish_compound_stmt (compound_stmt);
- }
-
- finish_function_body (stmt);
- finish_function (/*inline_p=*/false);
-
- if (!DECL_DELETED_FN (fndecl))
- expand_or_defer_fn (fndecl);
-
- input_location = save_input_location;
-
- if (! context)
- pop_from_top_level ();
- else if (nested)
- pop_function_context ();
-
- pop_deferring_access_checks ();
-
- if (error_count != errorcount || warning_count != warningcount + werrorcount)
- if (DECL_ARTIFICIAL (fndecl))
- inform (input_location, "synthesized method %qD first required here",
- fndecl);
-}
-
-/* Like synthesize_method, but don't actually synthesize defaulted comparison
- methods if their class is still incomplete. Just deduce the return
- type in that case. */
-
-void
-maybe_synthesize_method (tree fndecl)
-{
- if (special_function_p (fndecl) == sfk_comparison)
- {
- tree lhs = DECL_ARGUMENTS (fndecl);
- if (is_this_parameter (lhs))
- lhs = cp_build_fold_indirect_ref (lhs);
- else
- lhs = convert_from_reference (lhs);
- tree ctype = TYPE_MAIN_VARIANT (TREE_TYPE (lhs));
- if (!COMPLETE_TYPE_P (ctype))
- {
- push_deferring_access_checks (dk_no_deferred);
- build_comparison_op (fndecl, false, tf_none);
- pop_deferring_access_checks ();
- return;
- }
- }
- return synthesize_method (fndecl);
-}
-
-/* Build a reference to type TYPE with cv-quals QUALS, which is an
- rvalue if RVALUE is true. */
-
-static tree
-build_stub_type (tree type, int quals, bool rvalue)
-{
- tree argtype = cp_build_qualified_type (type, quals);
- return cp_build_reference_type (argtype, rvalue);
-}
-
-/* Build a dummy glvalue from dereferencing a dummy reference of type
- REFTYPE. */
-
-tree
-build_stub_object (tree reftype)
-{
- if (!TYPE_REF_P (reftype))
- reftype = cp_build_reference_type (reftype, /*rval*/true);
- tree stub = build1 (CONVERT_EXPR, reftype, integer_one_node);
- return convert_from_reference (stub);
-}
-
-/* Determine which function will be called when looking up NAME in TYPE,
- called with a single ARGTYPE argument, or no argument if ARGTYPE is
- null. FLAGS and COMPLAIN are as for build_new_method_call.
-
- Returns a FUNCTION_DECL if all is well.
- Returns NULL_TREE if overload resolution failed.
- Returns error_mark_node if the chosen function cannot be called. */
-
-static tree
-locate_fn_flags (tree type, tree name, tree argtype, int flags,
- tsubst_flags_t complain)
-{
- tree ob, fn, fns, binfo, rval;
-
- if (TYPE_P (type))
- binfo = TYPE_BINFO (type);
- else
- {
- binfo = type;
- type = BINFO_TYPE (binfo);
- }
-
- ob = build_stub_object (cp_build_reference_type (type, false));
- releasing_vec args;
- if (argtype)
- {
- if (TREE_CODE (argtype) == TREE_LIST)
- {
- for (tree elt = argtype; elt && elt != void_list_node;
- elt = TREE_CHAIN (elt))
- {
- tree type = TREE_VALUE (elt);
- tree arg = build_stub_object (type);
- vec_safe_push (args, arg);
- }
- }
- else
- {
- tree arg = build_stub_object (argtype);
- args->quick_push (arg);
- }
- }
-
- fns = lookup_fnfields (binfo, name, 0, complain);
- rval = build_new_method_call (ob, fns, &args, binfo, flags, &fn, complain);
-
- if (fn && rval == error_mark_node)
- return rval;
- else
- return fn;
-}
-
-/* Locate the dtor of TYPE. */
-
-tree
-get_dtor (tree type, tsubst_flags_t complain)
-{
- tree fn = locate_fn_flags (type, complete_dtor_identifier, NULL_TREE,
- LOOKUP_NORMAL, complain);
- if (fn == error_mark_node)
- return NULL_TREE;
- return fn;
-}
-
-/* Locate the default ctor of TYPE. */
-
-tree
-locate_ctor (tree type)
-{
- tree fn;
-
- push_deferring_access_checks (dk_no_check);
- fn = locate_fn_flags (type, complete_ctor_identifier, NULL_TREE,
- LOOKUP_SPECULATIVE, tf_none);
- pop_deferring_access_checks ();
- if (fn == error_mark_node)
- return NULL_TREE;
- return fn;
-}
-
-/* Likewise, but give any appropriate errors. */
-
-tree
-get_default_ctor (tree type)
-{
- tree fn = locate_fn_flags (type, complete_ctor_identifier, NULL_TREE,
- LOOKUP_NORMAL, tf_warning_or_error);
- if (fn == error_mark_node)
- return NULL_TREE;
- return fn;
-}
-
-/* Locate the copy ctor of TYPE. */
-
-tree
-get_copy_ctor (tree type, tsubst_flags_t complain)
-{
- int quals = (TYPE_HAS_CONST_COPY_CTOR (type)
- ? TYPE_QUAL_CONST : TYPE_UNQUALIFIED);
- tree argtype = build_stub_type (type, quals, false);
- tree fn = locate_fn_flags (type, complete_ctor_identifier, argtype,
- LOOKUP_NORMAL, complain);
- if (fn == error_mark_node)
- return NULL_TREE;
- return fn;
-}
-
-/* Locate the copy assignment operator of TYPE. */
-
-tree
-get_copy_assign (tree type)
-{
- int quals = (TYPE_HAS_CONST_COPY_ASSIGN (type)
- ? TYPE_QUAL_CONST : TYPE_UNQUALIFIED);
- tree argtype = build_stub_type (type, quals, false);
- tree fn = locate_fn_flags (type, assign_op_identifier, argtype,
- LOOKUP_NORMAL, tf_warning_or_error);
- if (fn == error_mark_node)
- return NULL_TREE;
- return fn;
-}
-
-/* walk_tree helper function for is_trivially_xible. If *TP is a call,
- return it if it calls something other than a trivial special member
- function. */
-
-static tree
-check_nontriv (tree *tp, int *, void *)
-{
- tree fn = cp_get_callee (*tp);
- if (fn == NULL_TREE)
- return NULL_TREE;
-
- if (TREE_CODE (fn) == ADDR_EXPR)
- fn = TREE_OPERAND (fn, 0);
-
- if (TREE_CODE (fn) != FUNCTION_DECL
- || !trivial_fn_p (fn))
- return fn;
- return NULL_TREE;
-}
-
-/* Return declval<T>() = declval<U>() treated as an unevaluated operand. */
-
-static tree
-assignable_expr (tree to, tree from)
-{
- cp_unevaluated cp_uneval_guard;
- to = build_stub_object (to);
- from = build_stub_object (from);
- tree r = cp_build_modify_expr (input_location, to, NOP_EXPR, from, tf_none);
- return r;
-}
-
-/* The predicate condition for a template specialization
- is_constructible<T, Args...> shall be satisfied if and only if the
- following variable definition would be well-formed for some invented
- variable t: T t(create<Args>()...);
-
- Return something equivalent in well-formedness and triviality. */
-
-static tree
-constructible_expr (tree to, tree from)
-{
- tree expr;
- cp_unevaluated cp_uneval_guard;
- if (CLASS_TYPE_P (to))
- {
- tree ctype = to;
- vec<tree, va_gc> *args = NULL;
- if (!TYPE_REF_P (to))
- to = cp_build_reference_type (to, /*rval*/false);
- tree ob = build_stub_object (to);
- for (; from; from = TREE_CHAIN (from))
- vec_safe_push (args, build_stub_object (TREE_VALUE (from)));
- expr = build_special_member_call (ob, complete_ctor_identifier, &args,
- ctype, LOOKUP_NORMAL, tf_none);
- if (expr == error_mark_node)
- return error_mark_node;
- /* The current state of the standard vis-a-vis LWG 2116 is that
- is_*constructible involves destruction as well. */
- if (type_build_dtor_call (ctype))
- {
- tree dtor = build_special_member_call (ob, complete_dtor_identifier,
- NULL, ctype, LOOKUP_NORMAL,
- tf_none);
- if (dtor == error_mark_node)
- return error_mark_node;
- if (!TYPE_HAS_TRIVIAL_DESTRUCTOR (ctype))
- expr = build2 (COMPOUND_EXPR, void_type_node, expr, dtor);
- }
- }
- else
- {
- if (from == NULL_TREE)
- return build_value_init (strip_array_types (to), tf_none);
- const int len = list_length (from);
- if (len > 1)
- {
- if (cxx_dialect < cxx20)
- /* Too many initializers. */
- return error_mark_node;
-
- /* In C++20 this is well-formed:
- using T = int[2];
- T t(1, 2);
- which means that std::is_constructible_v<int[2], int, int>
- should be true. */
- vec<constructor_elt, va_gc> *v;
- vec_alloc (v, len);
- for (tree t = from; t; t = TREE_CHAIN (t))
- {
- tree stub = build_stub_object (TREE_VALUE (t));
- constructor_elt elt = { NULL_TREE, stub };
- v->quick_push (elt);
- }
- from = build_constructor (init_list_type_node, v);
- CONSTRUCTOR_IS_DIRECT_INIT (from) = true;
- CONSTRUCTOR_IS_PAREN_INIT (from) = true;
- }
- else
- from = build_stub_object (TREE_VALUE (from));
- expr = perform_direct_initialization_if_possible (to, from,
- /*cast*/false,
- tf_none);
- /* If t(e) didn't work, maybe t{e} will. */
- if (expr == NULL_TREE
- && len == 1
- && cxx_dialect >= cxx20)
- {
- from = build_constructor_single (init_list_type_node, NULL_TREE,
- from);
- CONSTRUCTOR_IS_DIRECT_INIT (from) = true;
- CONSTRUCTOR_IS_PAREN_INIT (from) = true;
- expr = perform_direct_initialization_if_possible (to, from,
- /*cast*/false,
- tf_none);
- }
- }
- return expr;
-}
-
-/* Returns a tree iff TO is assignable (if CODE is MODIFY_EXPR) or
- constructible (otherwise) from FROM, which is a single type for
- assignment or a list of types for construction. */
-
-static tree
-is_xible_helper (enum tree_code code, tree to, tree from, bool trivial)
-{
- to = complete_type (to);
- deferring_access_check_sentinel acs (dk_no_deferred);
- if (VOID_TYPE_P (to) || ABSTRACT_CLASS_TYPE_P (to)
- || (from && FUNC_OR_METHOD_TYPE_P (from)
- && (TYPE_READONLY (from) || FUNCTION_REF_QUALIFIED (from))))
- return error_mark_node;
- tree expr;
- if (code == MODIFY_EXPR)
- expr = assignable_expr (to, from);
- else if (trivial && from && TREE_CHAIN (from)
- && cxx_dialect < cxx20)
- return error_mark_node; // only 0- and 1-argument ctors can be trivial
- // before C++20 aggregate paren init
- else if (TREE_CODE (to) == ARRAY_TYPE && !TYPE_DOMAIN (to))
- return error_mark_node; // can't construct an array of unknown bound
- else
- expr = constructible_expr (to, from);
- return expr;
-}
-
-/* Returns true iff TO is trivially assignable (if CODE is MODIFY_EXPR) or
- constructible (otherwise) from FROM, which is a single type for
- assignment or a list of types for construction. */
-
-bool
-is_trivially_xible (enum tree_code code, tree to, tree from)
-{
- tree expr = is_xible_helper (code, to, from, /*trivial*/true);
- if (expr == NULL_TREE || expr == error_mark_node)
- return false;
- tree nt = cp_walk_tree_without_duplicates (&expr, check_nontriv, NULL);
- return !nt;
-}
-
-/* Returns true iff TO is nothrow assignable (if CODE is MODIFY_EXPR) or
- constructible (otherwise) from FROM, which is a single type for
- assignment or a list of types for construction. */
-
-bool
-is_nothrow_xible (enum tree_code code, tree to, tree from)
-{
- tree expr = is_xible_helper (code, to, from, /*trivial*/false);
- if (expr == NULL_TREE || expr == error_mark_node)
- return false;
- return expr_noexcept_p (expr, tf_none);
-}
-
-/* Returns true iff TO is assignable (if CODE is MODIFY_EXPR) or
- constructible (otherwise) from FROM, which is a single type for
- assignment or a list of types for construction. */
-
-bool
-is_xible (enum tree_code code, tree to, tree from)
-{
- tree expr = is_xible_helper (code, to, from, /*trivial*/false);
- if (expr == error_mark_node)
- return false;
- return !!expr;
-}
-
-/* Categorize various special_function_kinds. */
-#define SFK_CTOR_P(sfk) \
- ((sfk) >= sfk_constructor && (sfk) <= sfk_move_constructor)
-#define SFK_DTOR_P(sfk) \
- ((sfk) == sfk_destructor || (sfk) == sfk_virtual_destructor)
-#define SFK_ASSIGN_P(sfk) \
- ((sfk) == sfk_copy_assignment || (sfk) == sfk_move_assignment)
-#define SFK_COPY_P(sfk) \
- ((sfk) == sfk_copy_constructor || (sfk) == sfk_copy_assignment)
-#define SFK_MOVE_P(sfk) \
- ((sfk) == sfk_move_constructor || (sfk) == sfk_move_assignment)
-
-/* Subroutine of synthesized_method_walk. Update SPEC_P, TRIVIAL_P and
- DELETED_P or give an error message MSG with argument ARG. */
-
-static void
-process_subob_fn (tree fn, special_function_kind sfk, tree *spec_p,
- bool *trivial_p, bool *deleted_p, bool *constexpr_p,
- bool diag, tree arg, bool dtor_from_ctor = false)
-{
- if (!fn || fn == error_mark_node)
- {
- if (deleted_p)
- *deleted_p = true;
- return;
- }
-
- if (spec_p)
- {
- if (!maybe_instantiate_noexcept (fn))
- *spec_p = error_mark_node;
- else
- {
- tree raises = TYPE_RAISES_EXCEPTIONS (TREE_TYPE (fn));
- *spec_p = merge_exception_specifiers (*spec_p, raises);
- }
- }
-
- if (!trivial_fn_p (fn) && !dtor_from_ctor)
- {
- if (trivial_p)
- *trivial_p = false;
- if (TREE_CODE (arg) == FIELD_DECL
- && TREE_CODE (DECL_CONTEXT (arg)) == UNION_TYPE)
- {
- if (deleted_p)
- *deleted_p = true;
- if (diag)
- error ("union member %q+D with non-trivial %qD", arg, fn);
- }
- }
-
- if (constexpr_p && !DECL_DECLARED_CONSTEXPR_P (fn))
- {
- *constexpr_p = false;
- if (diag)
- {
- inform (DECL_SOURCE_LOCATION (fn),
- SFK_DTOR_P (sfk)
- ? G_("defaulted destructor calls non-%<constexpr%> %qD")
- : G_("defaulted constructor calls non-%<constexpr%> %qD"),
- fn);
- explain_invalid_constexpr_fn (fn);
- }
- }
-}
-
-/* Subroutine of synthesized_method_walk to allow recursion into anonymous
- aggregates. If DTOR_FROM_CTOR is true, we're walking subobject destructors
- called from a synthesized constructor, in which case we don't consider
- the triviality of the subobject destructor. */
-
-static void
-walk_field_subobs (tree fields, special_function_kind sfk, tree fnname,
- int quals, tree *spec_p, bool *trivial_p,
- bool *deleted_p, bool *constexpr_p,
- bool diag, int flags, tsubst_flags_t complain,
- bool dtor_from_ctor)
-{
- tree field;
- for (field = fields; field; field = DECL_CHAIN (field))
- {
- tree mem_type, argtype, rval;
-
- if (TREE_CODE (field) != FIELD_DECL
- || DECL_ARTIFICIAL (field)
- || DECL_UNNAMED_BIT_FIELD (field))
- continue;
-
- /* Variant members only affect deletedness. In particular, they don't
- affect the exception-specification of a user-provided destructor,
- which we're figuring out via get_defaulted_eh_spec. So if we aren't
- asking if this is deleted, don't even look up the function; we don't
- want an error about a deleted function we aren't actually calling. */
- if (sfk == sfk_destructor && deleted_p == NULL
- && TREE_CODE (DECL_CONTEXT (field)) == UNION_TYPE)
- break;
-
- mem_type = strip_array_types (TREE_TYPE (field));
- if (SFK_ASSIGN_P (sfk))
- {
- bool bad = true;
- if (CP_TYPE_CONST_P (mem_type) && !CLASS_TYPE_P (mem_type))
- {
- if (diag)
- error ("non-static const member %q#D, cannot use default "
- "assignment operator", field);
- }
- else if (TYPE_REF_P (mem_type))
- {
- if (diag)
- error ("non-static reference member %q#D, cannot use "
- "default assignment operator", field);
- }
- else
- bad = false;
-
- if (bad && deleted_p)
- *deleted_p = true;
- }
- else if (sfk == sfk_constructor || sfk == sfk_inheriting_constructor)
- {
- bool bad;
-
- if (DECL_INITIAL (field))
- {
- if (diag && DECL_INITIAL (field) == error_mark_node)
- inform (DECL_SOURCE_LOCATION (field),
- "initializer for %q#D is invalid", field);
- if (trivial_p)
- *trivial_p = false;
- /* Core 1351: If the field has an NSDMI that could throw, the
- default constructor is noexcept(false). */
- if (spec_p)
- {
- tree nsdmi = get_nsdmi (field, /*ctor*/false, complain);
- if (nsdmi == error_mark_node)
- *spec_p = error_mark_node;
- else if (*spec_p != error_mark_node
- && !expr_noexcept_p (nsdmi, tf_none))
- *spec_p = noexcept_false_spec;
- }
- /* Don't do the normal processing. */
- continue;
- }
-
- bad = false;
- if (CP_TYPE_CONST_P (mem_type)
- && default_init_uninitialized_part (mem_type))
- {
- if (diag)
- {
- error ("uninitialized const member in %q#T",
- current_class_type);
- inform (DECL_SOURCE_LOCATION (field),
- "%q#D should be initialized", field);
- }
- bad = true;
- }
- else if (TYPE_REF_P (mem_type))
- {
- if (diag)
- {
- error ("uninitialized reference member in %q#T",
- current_class_type);
- inform (DECL_SOURCE_LOCATION (field),
- "%q#D should be initialized", field);
- }
- bad = true;
- }
-
- if (bad && deleted_p)
- *deleted_p = true;
-
- /* Before C++20, for an implicitly-defined default constructor to
- be constexpr, every member must have a user-provided default
- constructor or an explicit initializer. */
- if (constexpr_p
- && cxx_dialect < cxx20
- && !CLASS_TYPE_P (mem_type)
- && TREE_CODE (DECL_CONTEXT (field)) != UNION_TYPE)
- {
- *constexpr_p = false;
- if (diag)
- inform (DECL_SOURCE_LOCATION (field),
- "defaulted default constructor does not "
- "initialize %q#D", field);
- }
- }
- else if (sfk == sfk_copy_constructor)
- {
- /* 12.8p11b5 */
- if (TYPE_REF_P (mem_type)
- && TYPE_REF_IS_RVALUE (mem_type))
- {
- if (diag)
- error ("copying non-static data member %q#D of rvalue "
- "reference type", field);
- if (deleted_p)
- *deleted_p = true;
- }
- }
-
- if (!CLASS_TYPE_P (mem_type))
- continue;
-
- if (ANON_AGGR_TYPE_P (mem_type))
- {
- walk_field_subobs (TYPE_FIELDS (mem_type), sfk, fnname, quals,
- spec_p, trivial_p, deleted_p, constexpr_p,
- diag, flags, complain, dtor_from_ctor);
- continue;
- }
-
- if (SFK_COPY_P (sfk) || SFK_MOVE_P (sfk))
- {
- int mem_quals = cp_type_quals (mem_type) | quals;
- if (DECL_MUTABLE_P (field))
- mem_quals &= ~TYPE_QUAL_CONST;
- argtype = build_stub_type (mem_type, mem_quals, SFK_MOVE_P (sfk));
- }
- else
- argtype = NULL_TREE;
-
- rval = locate_fn_flags (mem_type, fnname, argtype, flags, complain);
-
- process_subob_fn (rval, sfk, spec_p, trivial_p, deleted_p,
- constexpr_p, diag, field, dtor_from_ctor);
- }
-}
-
-/* Base walker helper for synthesized_method_walk. Inspect a direct
- or virtual base. BINFO is the parent type's binfo. BASE_BINFO is
- the base binfo of interests. All other parms are as for
- synthesized_method_walk, or its local vars. */
-
-static tree
-synthesized_method_base_walk (tree binfo, tree base_binfo,
- special_function_kind sfk, tree fnname, int quals,
- tree *inheriting_ctor, tree inherited_parms,
- int flags, bool diag,
- tree *spec_p, bool *trivial_p,
- bool *deleted_p, bool *constexpr_p)
-{
- bool inherited_binfo = false;
- tree argtype = NULL_TREE;
- deferring_kind defer = dk_no_deferred;
-
- if (SFK_COPY_P (sfk) || SFK_MOVE_P (sfk))
- argtype = build_stub_type (BINFO_TYPE (base_binfo), quals, SFK_MOVE_P (sfk));
- else if (inheriting_ctor
- && (inherited_binfo
- = binfo_inherited_from (binfo, base_binfo, *inheriting_ctor)))
- {
- argtype = inherited_parms;
- /* Don't check access on the inherited constructor. */
- if (flag_new_inheriting_ctors)
- defer = dk_deferred;
- }
- else if (cxx_dialect >= cxx14 && sfk == sfk_virtual_destructor
- && BINFO_VIRTUAL_P (base_binfo)
- && ABSTRACT_CLASS_TYPE_P (BINFO_TYPE (binfo)))
- /* Don't check access when looking at vbases of abstract class's
- virtual destructor. */
- defer = dk_no_check;
-
- if (defer != dk_no_deferred)
- push_deferring_access_checks (defer);
- tree rval = locate_fn_flags (base_binfo, fnname, argtype, flags,
- diag ? tf_warning_or_error : tf_none);
- if (defer != dk_no_deferred)
- pop_deferring_access_checks ();
-
- /* Replace an inherited template with the appropriate specialization. */
- if (inherited_binfo && rval
- && DECL_P (*inheriting_ctor) && DECL_P (rval)
- && DECL_CONTEXT (*inheriting_ctor) == DECL_CONTEXT (rval))
- *inheriting_ctor = DECL_CLONED_FUNCTION (rval);
-
- process_subob_fn (rval, sfk, spec_p, trivial_p, deleted_p,
- constexpr_p, diag, BINFO_TYPE (base_binfo));
- if (SFK_CTOR_P (sfk)
- && (!BINFO_VIRTUAL_P (base_binfo)
- || TYPE_HAS_NONTRIVIAL_DESTRUCTOR (BINFO_TYPE (base_binfo))))
- {
- /* In a constructor we also need to check the subobject
- destructors for cleanup of partially constructed objects. */
- tree dtor = locate_fn_flags (base_binfo, complete_dtor_identifier,
- NULL_TREE, flags,
- diag ? tf_warning_or_error : tf_none);
- /* Note that we don't pass down trivial_p; the subobject
- destructors don't affect triviality of the constructor. Nor
- do they affect constexpr-ness (a constant expression doesn't
- throw) or exception-specification (a throw from one of the
- dtors would be a double-fault). */
- process_subob_fn (dtor, sfk, NULL, NULL, deleted_p, NULL, false,
- BINFO_TYPE (base_binfo), /*dtor_from_ctor*/true);
- }
-
- return rval;
-}
-
-/* The caller wants to generate an implicit declaration of SFK for
- CTYPE which is const if relevant and CONST_P is set. If SPEC_P,
- TRIVIAL_P, DELETED_P or CONSTEXPR_P are non-null, set their
- referent appropriately. If DIAG is true, we're either being called
- from maybe_explain_implicit_delete to give errors, or if
- CONSTEXPR_P is non-null, from explain_invalid_constexpr_fn. */
-
-static void
-synthesized_method_walk (tree ctype, special_function_kind sfk, bool const_p,
- tree *spec_p, bool *trivial_p, bool *deleted_p,
- bool *constexpr_p, bool diag,
- tree *inheriting_ctor, tree inherited_parms)
-{
- tree binfo, base_binfo;
- int i;
-
- /* SFK must be exactly one category. */
- gcc_checking_assert (SFK_DTOR_P(sfk) + SFK_CTOR_P(sfk)
- + SFK_ASSIGN_P(sfk) == 1);
-
- if (spec_p)
- *spec_p = (cxx_dialect >= cxx11 ? noexcept_true_spec : empty_except_spec);
-
- if (deleted_p)
- {
- /* "The closure type associated with a lambda-expression has a deleted
- default constructor and a deleted copy assignment operator."
- This is diagnosed in maybe_explain_implicit_delete.
- In C++20, only lambda-expressions with lambda-captures have those
- deleted. */
- if (LAMBDA_TYPE_P (ctype)
- && (sfk == sfk_constructor || sfk == sfk_copy_assignment)
- && (cxx_dialect < cxx20
- || LAMBDA_EXPR_CAPTURE_LIST (CLASSTYPE_LAMBDA_EXPR (ctype))
- || LAMBDA_EXPR_DEFAULT_CAPTURE_MODE
- (CLASSTYPE_LAMBDA_EXPR (ctype)) != CPLD_NONE))
- {
- *deleted_p = true;
- return;
- }
-
- *deleted_p = false;
- }
-
- bool check_vdtor = false;
- tree fnname;
-
- if (SFK_DTOR_P (sfk))
- {
- check_vdtor = true;
- /* The synthesized method will call base dtors, but check complete
- here to avoid having to deal with VTT. */
- fnname = complete_dtor_identifier;
- }
- else if (SFK_ASSIGN_P (sfk))
- fnname = assign_op_identifier;
- else
- fnname = complete_ctor_identifier;
-
- gcc_assert ((sfk == sfk_inheriting_constructor)
- == (inheriting_ctor && *inheriting_ctor != NULL_TREE));
-
- /* If that user-written default constructor would satisfy the
- requirements of a constexpr constructor (7.1.5), the
- implicitly-defined default constructor is constexpr.
-
- The implicitly-defined copy/move assignment operator is constexpr if
- - X is a literal type, and
- - the assignment operator selected to copy/move each direct base class
- subobject is a constexpr function, and
- - for each non-static data member of X that is of class type (or array
- thereof), the assignment operator selected to copy/move that
- member is a constexpr function. */
- if (constexpr_p)
- *constexpr_p = (SFK_CTOR_P (sfk)
- || (SFK_ASSIGN_P (sfk) && cxx_dialect >= cxx14)
- || (SFK_DTOR_P (sfk) && cxx_dialect >= cxx20));
-
- bool expected_trivial = type_has_trivial_fn (ctype, sfk);
- if (trivial_p)
- *trivial_p = expected_trivial;
-
- /* The TYPE_HAS_COMPLEX_* flags tell us about constraints from base
- class versions and other properties of the type. But a subobject
- class can be trivially copyable and yet have overload resolution
- choose a template constructor for initialization, depending on
- rvalueness and cv-quals. And furthermore, a member in a base might
- be trivial but deleted or otherwise not callable. So we can't exit
- early in C++0x. The same considerations apply in C++98/03, but
- there the definition of triviality does not consider overload
- resolution, so a constructor can be trivial even if it would otherwise
- call a non-trivial constructor. */
- if (expected_trivial
- && (!(SFK_COPY_P (sfk) || SFK_MOVE_P (sfk)) || cxx_dialect < cxx11))
- {
- if (constexpr_p && sfk == sfk_constructor)
- {
- bool cx = trivial_default_constructor_is_constexpr (ctype);
- *constexpr_p = cx;
- if (diag && !cx && TREE_CODE (ctype) == UNION_TYPE)
- /* A trivial constructor doesn't have any NSDMI. */
- inform (input_location, "defaulted default constructor does "
- "not initialize any non-static data member");
- }
- if (!diag && cxx_dialect < cxx11)
- return;
- }
-
- ++cp_unevaluated_operand;
- ++c_inhibit_evaluation_warnings;
- push_deferring_access_checks (dk_no_deferred);
-
- tree scope = push_scope (ctype);
-
- int flags = LOOKUP_NORMAL | LOOKUP_SPECULATIVE;
- if (sfk != sfk_inheriting_constructor)
- flags |= LOOKUP_DEFAULTED;
-
- tsubst_flags_t complain = diag ? tf_warning_or_error : tf_none;
- if (diag && spec_p)
- /* We're in get_defaulted_eh_spec; we don't actually want any walking
- diagnostics, we just want complain set. */
- diag = false;
- int quals = const_p ? TYPE_QUAL_CONST : TYPE_UNQUALIFIED;
-
- for (binfo = TYPE_BINFO (ctype), i = 0;
- BINFO_BASE_ITERATE (binfo, i, base_binfo); ++i)
- {
- if (!SFK_ASSIGN_P (sfk) && BINFO_VIRTUAL_P (base_binfo))
- /* We'll handle virtual bases below. */
- continue;
-
- tree fn = synthesized_method_base_walk (binfo, base_binfo,
- sfk, fnname, quals,
- inheriting_ctor, inherited_parms,
- flags, diag, spec_p, trivial_p,
- deleted_p, constexpr_p);
-
- if (diag && SFK_ASSIGN_P (sfk) && SFK_MOVE_P (sfk)
- && BINFO_VIRTUAL_P (base_binfo)
- && fn && TREE_CODE (fn) == FUNCTION_DECL
- && move_fn_p (fn) && !trivial_fn_p (fn)
- && vbase_has_user_provided_move_assign (BINFO_TYPE (base_binfo)))
- warning (OPT_Wvirtual_move_assign,
- "defaulted move assignment for %qT calls a non-trivial "
- "move assignment operator for virtual base %qT",
- ctype, BINFO_TYPE (base_binfo));
-
- if (check_vdtor && type_has_virtual_destructor (BINFO_TYPE (base_binfo)))
- {
- /* Unlike for base ctor/op=/dtor, for operator delete it's fine
- to have a null fn (no class-specific op delete). */
- fn = locate_fn_flags (ctype, ovl_op_identifier (false, DELETE_EXPR),
- ptr_type_node, flags, tf_none);
- if (fn && fn == error_mark_node)
- {
- if (complain & tf_error)
- locate_fn_flags (ctype, ovl_op_identifier (false, DELETE_EXPR),
- ptr_type_node, flags, complain);
- if (deleted_p)
- *deleted_p = true;
- }
- check_vdtor = false;
- }
- }
-
- vec<tree, va_gc> *vbases = CLASSTYPE_VBASECLASSES (ctype);
- if (SFK_ASSIGN_P (sfk))
- /* Already examined vbases above. */;
- else if (vec_safe_is_empty (vbases))
- /* No virtual bases to worry about. */;
- else if (ABSTRACT_CLASS_TYPE_P (ctype) && cxx_dialect >= cxx14
- /* DR 1658 specifies that vbases of abstract classes are
- ignored for both ctors and dtors. Except DR 2336
- overrides that skipping when determing the eh-spec of a
- virtual destructor. */
- && sfk != sfk_virtual_destructor)
- /* Vbase cdtors are not relevant. */;
- else
- {
- if (constexpr_p)
- *constexpr_p = false;
-
- FOR_EACH_VEC_ELT (*vbases, i, base_binfo)
- synthesized_method_base_walk (binfo, base_binfo, sfk, fnname, quals,
- inheriting_ctor, inherited_parms,
- flags, diag,
- spec_p, trivial_p, deleted_p, constexpr_p);
- }
-
- /* Now handle the non-static data members. */
- walk_field_subobs (TYPE_FIELDS (ctype), sfk, fnname, quals,
- spec_p, trivial_p, deleted_p, constexpr_p,
- diag, flags, complain, /*dtor_from_ctor*/false);
- if (SFK_CTOR_P (sfk))
- walk_field_subobs (TYPE_FIELDS (ctype), sfk_destructor,
- complete_dtor_identifier, TYPE_UNQUALIFIED,
- NULL, NULL, deleted_p, NULL,
- false, flags, complain, /*dtor_from_ctor*/true);
-
- pop_scope (scope);
-
- pop_deferring_access_checks ();
- --cp_unevaluated_operand;
- --c_inhibit_evaluation_warnings;
-}
-
-/* DECL is a defaulted function whose exception specification is now
- needed. Return what it should be. */
-
-tree
-get_defaulted_eh_spec (tree decl, tsubst_flags_t complain)
-{
- /* For DECL_MAYBE_DELETED this should already have been handled by
- synthesize_method. */
- gcc_assert (!DECL_MAYBE_DELETED (decl));
-
- if (DECL_CLONED_FUNCTION_P (decl))
- decl = DECL_CLONED_FUNCTION (decl);
- special_function_kind sfk = special_function_p (decl);
- tree ctype = DECL_CONTEXT (decl);
- tree parms = FUNCTION_FIRST_USER_PARMTYPE (decl);
- tree parm_type = TREE_VALUE (parms);
- bool const_p = CP_TYPE_CONST_P (non_reference (parm_type));
- tree spec = empty_except_spec;
- bool diag = !DECL_DELETED_FN (decl) && (complain & tf_error);
- tree inh = DECL_INHERITED_CTOR (decl);
- if (SFK_DTOR_P (sfk) && DECL_VIRTUAL_P (decl))
- /* We have to examine virtual bases even if abstract. */
- sfk = sfk_virtual_destructor;
- bool pushed = false;
- if (CLASSTYPE_TEMPLATE_INSTANTIATION (ctype))
- pushed = push_tinst_level (decl);
- synthesized_method_walk (ctype, sfk, const_p, &spec, NULL, NULL,
- NULL, diag, &inh, parms);
- if (pushed)
- pop_tinst_level ();
- return spec;
-}
-
-/* DECL is a deleted function. If it's implicitly deleted, explain why and
- return true; else return false. */
-
-bool
-maybe_explain_implicit_delete (tree decl)
-{
- /* If decl is a clone, get the primary variant. */
- decl = DECL_ORIGIN (decl);
- gcc_assert (DECL_DELETED_FN (decl));
- if (DECL_DEFAULTED_FN (decl))
- {
- /* Not marked GTY; it doesn't need to be GC'd or written to PCH. */
- static hash_set<tree> *explained;
-
- special_function_kind sfk;
- location_t loc;
- bool informed;
- tree ctype;
-
- if (!explained)
- explained = new hash_set<tree>;
- if (explained->add (decl))
- return true;
-
- sfk = special_function_p (decl);
- ctype = DECL_CONTEXT (decl);
- loc = input_location;
- input_location = DECL_SOURCE_LOCATION (decl);
-
- informed = false;
- if (LAMBDA_TYPE_P (ctype))
- {
- informed = true;
- if (sfk == sfk_constructor)
- inform (DECL_SOURCE_LOCATION (decl),
- "a lambda closure type has a deleted default constructor");
- else if (sfk == sfk_copy_assignment)
- inform (DECL_SOURCE_LOCATION (decl),
- "a lambda closure type has a deleted copy assignment operator");
- else
- informed = false;
- }
- else if (DECL_ARTIFICIAL (decl)
- && (sfk == sfk_copy_assignment || sfk == sfk_copy_constructor)
- && classtype_has_move_assign_or_move_ctor_p (ctype, true))
- {
- inform (DECL_SOURCE_LOCATION (decl),
- "%q#D is implicitly declared as deleted because %qT "
- "declares a move constructor or move assignment operator",
- decl, ctype);
- informed = true;
- }
- else if (sfk == sfk_inheriting_constructor)
- {
- tree binfo = inherited_ctor_binfo (decl);
- if (TREE_CODE (binfo) != TREE_BINFO)
- {
- inform (DECL_SOURCE_LOCATION (decl),
- "%q#D inherits from multiple base subobjects",
- decl);
- informed = true;
- }
- }
- if (!informed && sfk == sfk_comparison)
- {
- inform (DECL_SOURCE_LOCATION (decl),
- "%q#D is implicitly deleted because the default "
- "definition would be ill-formed:", decl);
- build_comparison_op (decl, false, tf_warning_or_error);
- }
- else if (!informed)
- {
- tree parms = FUNCTION_FIRST_USER_PARMTYPE (decl);
- bool const_p = false;
- if (parms)
- {
- tree parm_type = TREE_VALUE (parms);
- const_p = CP_TYPE_CONST_P (non_reference (parm_type));
- }
- tree raises = NULL_TREE;
- bool deleted_p = false;
- tree scope = push_scope (ctype);
- tree inh = DECL_INHERITED_CTOR (decl);
-
- synthesized_method_walk (ctype, sfk, const_p,
- &raises, NULL, &deleted_p, NULL, false,
- &inh, parms);
- if (deleted_p)
- {
- inform (DECL_SOURCE_LOCATION (decl),
- "%q#D is implicitly deleted because the default "
- "definition would be ill-formed:", decl);
- synthesized_method_walk (ctype, sfk, const_p,
- NULL, NULL, &deleted_p, NULL, true,
- &inh, parms);
- }
- else if (!comp_except_specs
- (TYPE_RAISES_EXCEPTIONS (TREE_TYPE (decl)),
- raises, ce_normal))
- inform (DECL_SOURCE_LOCATION (decl), "%q#F is implicitly "
- "deleted because its exception-specification does not "
- "match the implicit exception-specification %qX",
- decl, raises);
- else if (flag_checking)
- gcc_unreachable ();
-
- pop_scope (scope);
- }
-
- input_location = loc;
- return true;
- }
- return false;
-}
-
-/* DECL is a defaulted function which was declared constexpr. Explain why
- it can't be constexpr. */
-
-void
-explain_implicit_non_constexpr (tree decl)
-{
- tree parms = FUNCTION_FIRST_USER_PARMTYPE (decl);
- bool const_p = CP_TYPE_CONST_P (non_reference (TREE_VALUE (parms)));
- tree inh = DECL_INHERITED_CTOR (decl);
- bool dummy;
- special_function_kind sfk = special_function_p (decl);
- if (sfk == sfk_comparison)
- {
- DECL_DECLARED_CONSTEXPR_P (decl) = true;
- build_comparison_op (decl, false, tf_warning_or_error);
- DECL_DECLARED_CONSTEXPR_P (decl) = false;
- }
- else
- synthesized_method_walk (DECL_CLASS_CONTEXT (decl),
- sfk, const_p,
- NULL, NULL, NULL, &dummy, true,
- &inh, parms);
-}
-
-/* DECL is an instantiation of an inheriting constructor template. Deduce
- the correct exception-specification and deletedness for this particular
- specialization. Return true if the deduction succeeds; false otherwise. */
-
-bool
-deduce_inheriting_ctor (tree decl)
-{
- decl = DECL_ORIGIN (decl);
- gcc_assert (DECL_INHERITED_CTOR (decl));
- tree spec;
- bool trivial, constexpr_, deleted;
- tree inh = DECL_INHERITED_CTOR (decl);
- synthesized_method_walk (DECL_CONTEXT (decl), sfk_inheriting_constructor,
- false, &spec, &trivial, &deleted, &constexpr_,
- /*diag*/false,
- &inh,
- FUNCTION_FIRST_USER_PARMTYPE (decl));
- if (spec == error_mark_node)
- return false;
- if (TREE_CODE (inherited_ctor_binfo (decl)) != TREE_BINFO)
- /* Inherited the same constructor from different base subobjects. */
- deleted = true;
- DECL_DELETED_FN (decl) = deleted;
- TREE_TYPE (decl) = build_exception_variant (TREE_TYPE (decl), spec);
- SET_DECL_INHERITED_CTOR (decl, inh);
-
- tree clone;
- FOR_EACH_CLONE (clone, decl)
- {
- DECL_DELETED_FN (clone) = deleted;
- TREE_TYPE (clone) = build_exception_variant (TREE_TYPE (clone), spec);
- SET_DECL_INHERITED_CTOR (clone, inh);
- }
-
- return true;
-}
-
-/* Implicitly declare the special function indicated by KIND, as a
- member of TYPE. For copy constructors and assignment operators,
- CONST_P indicates whether these functions should take a const
- reference argument or a non-const reference.
- Returns the FUNCTION_DECL for the implicitly declared function. */
-
-tree
-implicitly_declare_fn (special_function_kind kind, tree type,
- bool const_p, tree pattern_fn,
- tree inherited_parms)
-{
- tree fn;
- tree parameter_types = void_list_node;
- tree return_type;
- tree fn_type;
- tree raises = empty_except_spec;
- tree rhs_parm_type = NULL_TREE;
- tree this_parm;
- tree name;
- HOST_WIDE_INT saved_processing_template_decl;
- bool deleted_p = false;
- bool constexpr_p = false;
- tree inherited_ctor = (kind == sfk_inheriting_constructor
- ? pattern_fn : NULL_TREE);
-
- /* Because we create declarations for implicitly declared functions
- lazily, we may be creating the declaration for a member of TYPE
- while in some completely different context. However, TYPE will
- never be a dependent class (because we never want to do lookups
- for implicitly defined functions in a dependent class). */
- gcc_assert (!dependent_type_p (type));
-
- /* If the member-specification does not explicitly declare any member or
- friend named operator==, an == operator function is declared
- implicitly for each three-way comparison operator function defined as
- defaulted in the member-specification, with the same access and
- function-definition and in the same class scope as the respective
- three-way comparison operator function, except that the return type is
- replaced with bool and the declarator-id is replaced with
- operator==.
-
- [Note: Such an implicitly-declared == operator for a class X is
- defined as defaulted in the definition of X and has the same
- parameter-declaration-clause and trailing requires-clause as the
- respective three-way comparison operator. It is declared with friend,
- virtual, constexpr, or consteval if the three-way comparison operator
- function is so declared. If the three-way comparison operator function
- has no noexcept-specifier, the implicitly-declared == operator
- function has an implicit exception specification (14.5) that may
- differ from the implicit exception specification of the three-way
- comparison operator function. --end note] */
- if (kind == sfk_comparison)
- {
- fn = copy_operator_fn (pattern_fn, EQ_EXPR);
- DECL_ARTIFICIAL (fn) = 1;
- TREE_TYPE (fn) = change_return_type (boolean_type_node, TREE_TYPE (fn));
- return fn;
- }
-
- /* Furthermore, we must set PROCESSING_TEMPLATE_DECL to zero here
- because we only create clones for constructors and destructors
- when not in a template. */
- saved_processing_template_decl = processing_template_decl;
- processing_template_decl = 0;
-
- type = TYPE_MAIN_VARIANT (type);
-
- if (targetm.cxx.cdtor_returns_this ())
- {
- if (kind == sfk_destructor)
- /* See comment in check_special_function_return_type. */
- return_type = build_pointer_type (void_type_node);
- else
- return_type = build_pointer_type (type);
- }
- else
- return_type = void_type_node;
-
- int this_quals = TYPE_UNQUALIFIED;
- switch (kind)
- {
- case sfk_destructor:
- /* Destructor. */
- name = dtor_identifier;
- break;
-
- case sfk_constructor:
- /* Default constructor. */
- name = ctor_identifier;
- break;
-
- case sfk_copy_constructor:
- case sfk_copy_assignment:
- case sfk_move_constructor:
- case sfk_move_assignment:
- case sfk_inheriting_constructor:
- {
- if (kind == sfk_copy_assignment
- || kind == sfk_move_assignment)
- {
- return_type = build_reference_type (type);
- name = assign_op_identifier;
- }
- else
- name = ctor_identifier;
-
- if (kind == sfk_inheriting_constructor)
- parameter_types = inherited_parms;
- else
- {
- if (const_p)
- rhs_parm_type = cp_build_qualified_type (type, TYPE_QUAL_CONST);
- else
- rhs_parm_type = type;
- bool move_p = (kind == sfk_move_assignment
- || kind == sfk_move_constructor);
- rhs_parm_type = cp_build_reference_type (rhs_parm_type, move_p);
-
- parameter_types = tree_cons (NULL_TREE, rhs_parm_type, parameter_types);
- }
- break;
- }
-
- default:
- gcc_unreachable ();
- }
-
- bool trivial_p = false;
-
- if (inherited_ctor)
- {
- /* For an inheriting constructor, just copy these flags from the
- inherited constructor until deduce_inheriting_ctor. */
- raises = TYPE_RAISES_EXCEPTIONS (TREE_TYPE (inherited_ctor));
- deleted_p = DECL_DELETED_FN (inherited_ctor);
- constexpr_p = DECL_DECLARED_CONSTEXPR_P (inherited_ctor);
- }
- else if (cxx_dialect >= cxx11)
- {
- raises = noexcept_deferred_spec;
- synthesized_method_walk (type, kind, const_p, NULL, &trivial_p,
- &deleted_p, &constexpr_p, false,
- &inherited_ctor, inherited_parms);
- }
- else
- synthesized_method_walk (type, kind, const_p, &raises, &trivial_p,
- &deleted_p, &constexpr_p, false,
- &inherited_ctor, inherited_parms);
- /* Don't bother marking a deleted constructor as constexpr. */
- if (deleted_p)
- constexpr_p = false;
- /* A trivial copy/move constructor is also a constexpr constructor,
- unless the class has virtual bases (7.1.5p4). */
- else if (trivial_p
- && cxx_dialect >= cxx11
- && (kind == sfk_copy_constructor
- || kind == sfk_move_constructor)
- && !CLASSTYPE_VBASECLASSES (type))
- gcc_assert (constexpr_p);
-
- if (!trivial_p && type_has_trivial_fn (type, kind))
- type_set_nontrivial_flag (type, kind);
-
- /* Create the function. */
- tree this_type = cp_build_qualified_type (type, this_quals);
- fn_type = build_method_type_directly (this_type, return_type,
- parameter_types);
-
- if (raises)
- {
- if (raises != error_mark_node)
- fn_type = build_exception_variant (fn_type, raises);
- else
- {
- /* Can happen, e.g., in C++98 mode for an ill-formed non-static data
- member initializer (c++/89914). Also, in C++98, we might have
- failed to deduce RAISES, so try again but complain this time. */
- if (cxx_dialect < cxx11)
- synthesized_method_walk (type, kind, const_p, &raises, nullptr,
- nullptr, nullptr, /*diag=*/true,
- &inherited_ctor, inherited_parms);
- /* We should have seen an error at this point. */
- gcc_assert (seen_error ());
- }
- }
- fn = build_lang_decl (FUNCTION_DECL, name, fn_type);
- if (kind != sfk_inheriting_constructor)
- DECL_SOURCE_LOCATION (fn) = DECL_SOURCE_LOCATION (TYPE_NAME (type));
-
- if (IDENTIFIER_OVL_OP_P (name))
- {
- const ovl_op_info_t *op = IDENTIFIER_OVL_OP_INFO (name);
- DECL_OVERLOADED_OPERATOR_CODE_RAW (fn) = op->ovl_op_code;
- }
- else if (IDENTIFIER_CTOR_P (name))
- DECL_CXX_CONSTRUCTOR_P (fn) = true;
- else if (IDENTIFIER_DTOR_P (name))
- DECL_CXX_DESTRUCTOR_P (fn) = true;
- else
- gcc_unreachable ();
-
- SET_DECL_ALIGN (fn, MINIMUM_METHOD_BOUNDARY);
-
- /* Create the explicit arguments. */
- if (rhs_parm_type)
- {
- /* Note that this parameter is *not* marked DECL_ARTIFICIAL; we
- want its type to be included in the mangled function
- name. */
- tree decl = cp_build_parm_decl (fn, NULL_TREE, rhs_parm_type);
- TREE_READONLY (decl) = 1;
- retrofit_lang_decl (decl);
- DECL_PARM_INDEX (decl) = DECL_PARM_LEVEL (decl) = 1;
- DECL_ARGUMENTS (fn) = decl;
- }
- else if (kind == sfk_inheriting_constructor)
- {
- tree *p = &DECL_ARGUMENTS (fn);
- int index = 1;
- for (tree parm = inherited_parms; parm && parm != void_list_node;
- parm = TREE_CHAIN (parm))
- {
- *p = cp_build_parm_decl (fn, NULL_TREE, TREE_VALUE (parm));
- retrofit_lang_decl (*p);
- DECL_PARM_LEVEL (*p) = 1;
- DECL_PARM_INDEX (*p) = index++;
- p = &DECL_CHAIN (*p);
- }
- SET_DECL_INHERITED_CTOR (fn, inherited_ctor);
- DECL_NONCONVERTING_P (fn) = DECL_NONCONVERTING_P (inherited_ctor);
- /* A constructor so declared has the same access as the corresponding
- constructor in X. */
- TREE_PRIVATE (fn) = TREE_PRIVATE (inherited_ctor);
- TREE_PROTECTED (fn) = TREE_PROTECTED (inherited_ctor);
- /* Copy constexpr from the inherited constructor even if the
- inheriting constructor doesn't satisfy the requirements. */
- constexpr_p = DECL_DECLARED_CONSTEXPR_P (inherited_ctor);
- }
-
- /* Add the "this" parameter. */
- this_parm = build_this_parm (fn, fn_type, this_quals);
- DECL_CHAIN (this_parm) = DECL_ARGUMENTS (fn);
- DECL_ARGUMENTS (fn) = this_parm;
-
- grokclassfn (type, fn, kind == sfk_destructor ? DTOR_FLAG : NO_SPECIAL);
-
- DECL_IN_AGGR_P (fn) = 1;
- DECL_ARTIFICIAL (fn) = 1;
- DECL_DEFAULTED_FN (fn) = 1;
- if (cxx_dialect >= cxx11)
- {
- DECL_DELETED_FN (fn) = deleted_p;
- DECL_DECLARED_CONSTEXPR_P (fn) = constexpr_p;
- }
- DECL_EXTERNAL (fn) = true;
- DECL_NOT_REALLY_EXTERN (fn) = 1;
- DECL_DECLARED_INLINE_P (fn) = 1;
- set_linkage_according_to_type (type, fn);
- if (TREE_PUBLIC (fn))
- DECL_COMDAT (fn) = 1;
- rest_of_decl_compilation (fn, namespace_bindings_p (), at_eof);
- gcc_assert (!TREE_USED (fn));
-
- /* Propagate constraints from the inherited constructor. */
- if (flag_concepts && inherited_ctor)
- if (tree orig_ci = get_constraints (inherited_ctor))
- {
- tree new_ci = copy_node (orig_ci);
- set_constraints (fn, new_ci);
- }
-
- /* Restore PROCESSING_TEMPLATE_DECL. */
- processing_template_decl = saved_processing_template_decl;
-
- if (inherited_ctor && TREE_CODE (inherited_ctor) == TEMPLATE_DECL)
- fn = add_inherited_template_parms (fn, inherited_ctor);
-
- /* Warn about calling a non-trivial move assignment in a virtual base. */
- if (kind == sfk_move_assignment && !deleted_p && !trivial_p
- && CLASSTYPE_VBASECLASSES (type))
- {
- location_t loc = input_location;
- input_location = DECL_SOURCE_LOCATION (fn);
- synthesized_method_walk (type, kind, const_p,
- NULL, NULL, NULL, NULL, true,
- NULL, NULL_TREE);
- input_location = loc;
- }
-
- return fn;
-}
-
-/* Gives any errors about defaulted functions which need to be deferred
- until the containing class is complete. */
-
-void
-defaulted_late_check (tree fn)
-{
- /* Complain about invalid signature for defaulted fn. */
- tree ctx = DECL_CONTEXT (fn);
- special_function_kind kind = special_function_p (fn);
-
- if (kind == sfk_comparison)
- {
- /* If the function was declared constexpr, check that the definition
- qualifies. Otherwise we can define the function lazily. */
- if (DECL_DECLARED_CONSTEXPR_P (fn) && !DECL_INITIAL (fn))
- {
- /* Prevent GC. */
- function_depth++;
- synthesize_method (fn);
- function_depth--;
- }
- return;
- }
-
- bool fn_const_p = (copy_fn_p (fn) == 2);
- tree implicit_fn = implicitly_declare_fn (kind, ctx, fn_const_p,
- NULL, NULL);
- tree eh_spec = TYPE_RAISES_EXCEPTIONS (TREE_TYPE (implicit_fn));
-
- if (!same_type_p (TREE_TYPE (TREE_TYPE (fn)),
- TREE_TYPE (TREE_TYPE (implicit_fn)))
- || !compparms (TYPE_ARG_TYPES (TREE_TYPE (fn)),
- TYPE_ARG_TYPES (TREE_TYPE (implicit_fn))))
- {
- error ("defaulted declaration %q+D does not match the "
- "expected signature", fn);
- inform (DECL_SOURCE_LOCATION (fn),
- "expected signature: %qD", implicit_fn);
- }
-
- if (DECL_DELETED_FN (implicit_fn))
- {
- DECL_DELETED_FN (fn) = 1;
- return;
- }
-
- /* If a function is explicitly defaulted on its first declaration without an
- exception-specification, it is implicitly considered to have the same
- exception-specification as if it had been implicitly declared. */
- if (!TYPE_RAISES_EXCEPTIONS (TREE_TYPE (fn))
- && DECL_DEFAULTED_IN_CLASS_P (fn))
- TREE_TYPE (fn) = build_exception_variant (TREE_TYPE (fn), eh_spec);
-
- if (DECL_DEFAULTED_IN_CLASS_P (fn)
- && DECL_DECLARED_CONSTEXPR_P (implicit_fn))
- {
- /* Hmm...should we do this for out-of-class too? Should it be OK to
- add constexpr later like inline, rather than requiring
- declarations to match? */
- DECL_DECLARED_CONSTEXPR_P (fn) = true;
- if (kind == sfk_constructor)
- TYPE_HAS_CONSTEXPR_CTOR (ctx) = true;
- }
-
- if (!DECL_DECLARED_CONSTEXPR_P (implicit_fn)
- && DECL_DECLARED_CONSTEXPR_P (fn))
- {
- if (!CLASSTYPE_TEMPLATE_INSTANTIATION (ctx))
- {
- error ("explicitly defaulted function %q+D cannot be declared "
- "%qs because the implicit declaration is not %qs:", fn,
- DECL_IMMEDIATE_FUNCTION_P (fn) ? "consteval" : "constexpr",
- "constexpr");
- explain_implicit_non_constexpr (fn);
- }
- DECL_DECLARED_CONSTEXPR_P (fn) = false;
- }
-}
-
-/* Returns true iff FN can be explicitly defaulted, and gives any
- errors if defaulting FN is ill-formed. */
-
-bool
-defaultable_fn_check (tree fn)
-{
- special_function_kind kind = sfk_none;
-
- if (template_parm_scope_p ())
- {
- error ("a template cannot be defaulted");
- return false;
- }
-
- if (DECL_CONSTRUCTOR_P (fn))
- {
- if (FUNCTION_FIRST_USER_PARMTYPE (fn) == void_list_node)
- kind = sfk_constructor;
- else if (copy_fn_p (fn) > 0
- && (TREE_CHAIN (FUNCTION_FIRST_USER_PARMTYPE (fn))
- == void_list_node))
- kind = sfk_copy_constructor;
- else if (move_fn_p (fn))
- kind = sfk_move_constructor;
- }
- else if (DECL_DESTRUCTOR_P (fn))
- kind = sfk_destructor;
- else if (DECL_ASSIGNMENT_OPERATOR_P (fn)
- && DECL_OVERLOADED_OPERATOR_IS (fn, NOP_EXPR))
- {
- if (copy_fn_p (fn))
- kind = sfk_copy_assignment;
- else if (move_fn_p (fn))
- kind = sfk_move_assignment;
- }
- else if (DECL_OVERLOADED_OPERATOR_CODE_RAW (fn) >= OVL_OP_EQ_EXPR
- && DECL_OVERLOADED_OPERATOR_CODE_RAW (fn) <= OVL_OP_SPACESHIP_EXPR)
- {
- kind = sfk_comparison;
- if (!early_check_defaulted_comparison (fn))
- return false;
- }
-
- if (kind == sfk_none)
- {
- error ("%qD cannot be defaulted", fn);
- return false;
- }
- else
- {
- for (tree t = FUNCTION_FIRST_USER_PARMTYPE (fn);
- t && t != void_list_node; t = TREE_CHAIN (t))
- if (TREE_PURPOSE (t))
- {
- error ("defaulted function %q+D with default argument", fn);
- break;
- }
-
- /* Avoid do_warn_unused_parameter warnings. */
- for (tree p = FUNCTION_FIRST_USER_PARM (fn); p; p = DECL_CHAIN (p))
- if (DECL_NAME (p))
- suppress_warning (p, OPT_Wunused_parameter);
-
- if (current_class_type && TYPE_BEING_DEFINED (current_class_type))
- /* Defer checking. */;
- else if (!processing_template_decl)
- defaulted_late_check (fn);
-
- return true;
- }
-}
-
-/* Add an implicit declaration to TYPE for the kind of function
- indicated by SFK. Return the FUNCTION_DECL for the new implicit
- declaration. */
-
-tree
-lazily_declare_fn (special_function_kind sfk, tree type)
-{
- tree fn;
- /* Whether or not the argument has a const reference type. */
- bool const_p = false;
-
- type = TYPE_MAIN_VARIANT (type);
-
- switch (sfk)
- {
- case sfk_constructor:
- CLASSTYPE_LAZY_DEFAULT_CTOR (type) = 0;
- break;
- case sfk_copy_constructor:
- const_p = TYPE_HAS_CONST_COPY_CTOR (type);
- CLASSTYPE_LAZY_COPY_CTOR (type) = 0;
- break;
- case sfk_move_constructor:
- CLASSTYPE_LAZY_MOVE_CTOR (type) = 0;
- break;
- case sfk_copy_assignment:
- const_p = TYPE_HAS_CONST_COPY_ASSIGN (type);
- CLASSTYPE_LAZY_COPY_ASSIGN (type) = 0;
- break;
- case sfk_move_assignment:
- CLASSTYPE_LAZY_MOVE_ASSIGN (type) = 0;
- break;
- case sfk_destructor:
- CLASSTYPE_LAZY_DESTRUCTOR (type) = 0;
- break;
- default:
- gcc_unreachable ();
- }
-
- /* Declare the function. */
- fn = implicitly_declare_fn (sfk, type, const_p, NULL, NULL);
-
- /* [class.copy]/8 If the class definition declares a move constructor or
- move assignment operator, the implicitly declared copy constructor is
- defined as deleted.... */
- if ((sfk == sfk_copy_assignment || sfk == sfk_copy_constructor)
- && cxx_dialect >= cxx11)
- {
- if (classtype_has_move_assign_or_move_ctor_p (type, true))
- DECL_DELETED_FN (fn) = true;
- else if (classtype_has_depr_implicit_copy (type))
- /* The implicit definition of a copy constructor as defaulted is
- deprecated if the class has a user-declared copy assignment operator
- or a user-declared destructor. The implicit definition of a copy
- assignment operator as defaulted is deprecated if the class has a
- user-declared copy constructor or a user-declared destructor (15.4,
- 15.8). */
- TREE_DEPRECATED (fn) = true;
- }
-
- /* Destructors and assignment operators may be virtual. */
- if (sfk == sfk_destructor
- || sfk == sfk_move_assignment
- || sfk == sfk_copy_assignment)
- check_for_override (fn, type);
-
- /* Add it to the class */
- bool added = add_method (type, fn, false);
- gcc_assert (added || errorcount);
-
- /* Add it to TYPE_FIELDS. */
- if (sfk == sfk_destructor
- && DECL_VIRTUAL_P (fn))
- /* The ABI requires that a virtual destructor go at the end of the
- vtable. */
- TYPE_FIELDS (type) = chainon (TYPE_FIELDS (type), fn);
- else
- {
- DECL_CHAIN (fn) = TYPE_FIELDS (type);
- TYPE_FIELDS (type) = fn;
- }
- /* Propagate TYPE_FIELDS. */
- fixup_type_variants (type);
-
- maybe_add_class_template_decl_list (type, fn, /*friend_p=*/0);
- if (DECL_MAYBE_IN_CHARGE_CDTOR_P (fn))
- /* Create appropriate clones. */
- clone_cdtor (fn, /*update_methods=*/true);
-
- return fn;
-}
-
-/* Given a FUNCTION_DECL FN and a chain LIST, skip as many elements of LIST
- as there are artificial parms in FN. */
-
-tree
-skip_artificial_parms_for (const_tree fn, tree list)
-{
- if (DECL_NONSTATIC_MEMBER_FUNCTION_P (fn))
- list = TREE_CHAIN (list);
- else
- return list;
-
- if (DECL_HAS_IN_CHARGE_PARM_P (fn))
- list = TREE_CHAIN (list);
- if (DECL_HAS_VTT_PARM_P (fn))
- list = TREE_CHAIN (list);
- return list;
-}
-
-/* Given a FUNCTION_DECL FN and a chain LIST, return the number of
- artificial parms in FN. */
-
-int
-num_artificial_parms_for (const_tree fn)
-{
- int count = 0;
-
- if (DECL_NONSTATIC_MEMBER_FUNCTION_P (fn))
- count++;
- else
- return 0;
-
- if (DECL_HAS_IN_CHARGE_PARM_P (fn))
- count++;
- if (DECL_HAS_VTT_PARM_P (fn))
- count++;
- return count;
-}
-
-
-#include "gt-cp-method.h"
generated by cgit v1.1 at 2025-08-13 22:04:22 +0000