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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 /libcpp/directives.cc
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 to... * common/config/or1k/or1k-common.cc: ...here. * common/config/pa/pa-common.c: Moved to... * common/config/pa/pa-common.cc: ...here. * common/config/pdp11/pdp11-common.c: Moved to... * common/config/pdp11/pdp11-common.cc: ...here. * common/config/pru/pru-common.c: Moved to... * common/config/pru/pru-common.cc: ...here. * common/config/riscv/riscv-common.c: Moved to... * common/config/riscv/riscv-common.cc: ...here. * common/config/rs6000/rs6000-common.c: Moved to... * common/config/rs6000/rs6000-common.cc: ...here. * common/config/rx/rx-common.c: Moved to... * common/config/rx/rx-common.cc: ...here. * common/config/s390/s390-common.c: Moved to... * common/config/s390/s390-common.cc: ...here. * common/config/sh/sh-common.c: Moved to... * common/config/sh/sh-common.cc: ...here. * common/config/sparc/sparc-common.c: Moved to... * common/config/sparc/sparc-common.cc: ...here. * common/config/tilegx/tilegx-common.c: Moved to... * common/config/tilegx/tilegx-common.cc: ...here. * 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... * config/aarch64/aarch64-d.cc: ...here. * config/aarch64/aarch64.c: Moved to... * config/aarch64/aarch64.cc: ...here. * config/aarch64/cortex-a57-fma-steering.c: Moved to... * config/aarch64/cortex-a57-fma-steering.cc: ...here. * config/aarch64/driver-aarch64.c: Moved to... * config/aarch64/driver-aarch64.cc: ...here. * config/aarch64/falkor-tag-collision-avoidance.c: Moved to... * config/aarch64/falkor-tag-collision-avoidance.cc: ...here. * config/aarch64/host-aarch64-darwin.c: Moved to... * config/aarch64/host-aarch64-darwin.cc: ...here. * config/alpha/alpha.c: Moved to... * config/alpha/alpha.cc: ...here. * config/alpha/driver-alpha.c: Moved to... * config/alpha/driver-alpha.cc: ...here. * config/arc/arc-c.c: Moved to... * config/arc/arc-c.cc: ...here. * config/arc/arc.c: Moved to... * config/arc/arc.cc: ...here. * config/arc/driver-arc.c: Moved to... * config/arc/driver-arc.cc: ...here. * config/arm/aarch-common.c: Moved to... * config/arm/aarch-common.cc: ...here. * 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: ...here. * config/bpf/coreout.c: Moved to... * config/bpf/coreout.cc: ...here. * config/c6x/c6x.c: Moved to... * config/c6x/c6x.cc: ...here. * config/cr16/cr16.c: Moved to... * config/cr16/cr16.cc: ...here. * config/cris/cris.c: Moved to... * config/cris/cris.cc: ...here. * config/csky/csky.c: Moved to... * config/csky/csky.cc: ...here. * config/darwin-c.c: Moved to... * config/darwin-c.cc: ...here. * config/darwin-d.c: Moved to... * config/darwin-d.cc: ...here. * config/darwin-driver.c: Moved to... * config/darwin-driver.cc: ...here. * config/darwin-f.c: Moved to... * config/darwin-f.cc: ...here. * config/darwin.c: Moved to... * config/darwin.cc: ...here. * config/default-c.c: Moved to... * config/default-c.cc: ...here. * config/default-d.c: Moved to... * config/default-d.cc: ...here. * config/dragonfly-d.c: Moved to... * config/dragonfly-d.cc: ...here. * config/epiphany/epiphany.c: Moved to... * config/epiphany/epiphany.cc: ...here. * config/epiphany/mode-switch-use.c: Moved to... * config/epiphany/mode-switch-use.cc: ...here. * config/epiphany/resolve-sw-modes.c: Moved to... * config/epiphany/resolve-sw-modes.cc: ...here. * config/fr30/fr30.c: Moved to... * config/fr30/fr30.cc: ...here. * config/freebsd-d.c: Moved to... * config/freebsd-d.cc: ...here. * config/frv/frv.c: Moved to... * config/frv/frv.cc: ...here. * config/ft32/ft32.c: Moved to... * config/ft32/ft32.cc: ...here. * config/gcn/driver-gcn.c: Moved to... * config/gcn/driver-gcn.cc: ...here. * config/gcn/gcn-run.c: Moved to... * config/gcn/gcn-run.cc: ...here. * config/gcn/gcn-tree.c: Moved to... * config/gcn/gcn-tree.cc: ...here. * config/gcn/gcn.c: Moved to... * config/gcn/gcn.cc: ...here. * config/gcn/mkoffload.c: Moved to... * config/gcn/mkoffload.cc: ...here. * config/glibc-c.c: Moved to... * config/glibc-c.cc: ...here. * config/glibc-d.c: Moved to... * config/glibc-d.cc: ...here. * config/h8300/h8300.c: Moved to... * config/h8300/h8300.cc: ...here. * config/host-darwin.c: Moved to... * config/host-darwin.cc: ...here. * config/host-hpux.c: Moved to... * config/host-hpux.cc: ...here. * config/host-linux.c: Moved to... * config/host-linux.cc: ...here. * config/host-netbsd.c: Moved to... * config/host-netbsd.cc: ...here. * config/host-openbsd.c: Moved to... * config/host-openbsd.cc: ...here. * config/host-solaris.c: Moved to... * config/host-solaris.cc: ...here. * config/i386/djgpp.c: Moved to... * config/i386/djgpp.cc: ...here. * config/i386/driver-i386.c: Moved to... * config/i386/driver-i386.cc: ...here. * config/i386/driver-mingw32.c: Moved to... * config/i386/driver-mingw32.cc: ...here. * config/i386/gnu-property.c: Moved to... * config/i386/gnu-property.cc: ...here. * config/i386/host-cygwin.c: Moved to... * config/i386/host-cygwin.cc: ...here. * config/i386/host-i386-darwin.c: Moved to... * config/i386/host-i386-darwin.cc: ...here. * config/i386/host-mingw32.c: Moved to... * config/i386/host-mingw32.cc: ...here. * config/i386/i386-builtins.c: Moved to... * config/i386/i386-builtins.cc: ...here. * config/i386/i386-c.c: Moved to... * config/i386/i386-c.cc: ...here. * config/i386/i386-d.c: Moved to... * config/i386/i386-d.cc: ...here. * config/i386/i386-expand.c: Moved to... * config/i386/i386-expand.cc: ...here. * config/i386/i386-features.c: Moved to... * config/i386/i386-features.cc: ...here. * config/i386/i386-options.c: Moved to... * config/i386/i386-options.cc: ...here. * config/i386/i386.c: Moved to... * config/i386/i386.cc: ...here. * config/i386/intelmic-mkoffload.c: Moved to... * config/i386/intelmic-mkoffload.cc: ...here. * config/i386/msformat-c.c: Moved to... * config/i386/msformat-c.cc: ...here. * config/i386/winnt-cxx.c: Moved to... * config/i386/winnt-cxx.cc: ...here. * config/i386/winnt-d.c: Moved to... * config/i386/winnt-d.cc: ...here. * config/i386/winnt-stubs.c: Moved to... * config/i386/winnt-stubs.cc: ...here. * config/i386/winnt.c: Moved to... * config/i386/winnt.cc: ...here. * config/i386/x86-tune-sched-atom.c: 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config/mcore/mcore.cc: ...here. * config/microblaze/microblaze-c.c: Moved to... * config/microblaze/microblaze-c.cc: ...here. * config/microblaze/microblaze.c: Moved to... * config/microblaze/microblaze.cc: ...here. * config/mips/driver-native.c: Moved to... * config/mips/driver-native.cc: ...here. * config/mips/frame-header-opt.c: Moved to... * config/mips/frame-header-opt.cc: ...here. * config/mips/mips-d.c: Moved to... * config/mips/mips-d.cc: ...here. * config/mips/mips.c: Moved to... * config/mips/mips.cc: ...here. * config/mmix/mmix.c: Moved to... * config/mmix/mmix.cc: ...here. * config/mn10300/mn10300.c: Moved to... * config/mn10300/mn10300.cc: ...here. * config/moxie/moxie.c: Moved to... * config/moxie/moxie.cc: ...here. * config/msp430/driver-msp430.c: Moved to... * config/msp430/driver-msp430.cc: ...here. * config/msp430/msp430-c.c: Moved to... * config/msp430/msp430-c.cc: ...here. * config/msp430/msp430-devices.c: Moved to... * config/msp430/msp430-devices.cc: ...here. * 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 'libcpp/directives.cc')
-rw-r--r--libcpp/directives.cc2799
1 files changed, 2799 insertions, 0 deletions
diff --git a/libcpp/directives.cc b/libcpp/directives.cc
new file mode 100644
index 0000000..3bee192
--- /dev/null
+++ b/libcpp/directives.cc
@@ -0,0 +1,2799 @@
+/* CPP Library. (Directive handling.)
+ Copyright (C) 1986-2022 Free Software Foundation, Inc.
+ Contributed by Per Bothner, 1994-95.
+ Based on CCCP program by Paul Rubin, June 1986
+ Adapted to ANSI C, Richard Stallman, Jan 1987
+
+This program 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.
+
+This program 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 this program; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#include "config.h"
+#include "system.h"
+#include "cpplib.h"
+#include "internal.h"
+#include "mkdeps.h"
+#include "obstack.h"
+
+/* Stack of conditionals currently in progress
+ (including both successful and failing conditionals). */
+struct if_stack
+{
+ struct if_stack *next;
+ location_t line; /* Line where condition started. */
+ const cpp_hashnode *mi_cmacro;/* macro name for #ifndef around entire file */
+ bool skip_elses; /* Can future #else / #elif be skipped? */
+ bool was_skipping; /* If were skipping on entry. */
+ int type; /* Most recent conditional for diagnostics. */
+};
+
+/* Contains a registered pragma or pragma namespace. */
+typedef void (*pragma_cb) (cpp_reader *);
+struct pragma_entry
+{
+ struct pragma_entry *next;
+ const cpp_hashnode *pragma; /* Name and length. */
+ bool is_nspace;
+ bool is_internal;
+ bool is_deferred;
+ bool allow_expansion;
+ union {
+ pragma_cb handler;
+ struct pragma_entry *space;
+ unsigned int ident;
+ } u;
+};
+
+/* Values for the origin field of struct directive. KANDR directives
+ come from traditional (K&R) C. STDC89 directives come from the
+ 1989 C standard. STDC2X directives come from the C2X standard. EXTENSION
+ directives are extensions. */
+#define KANDR 0
+#define STDC89 1
+#define STDC2X 2
+#define EXTENSION 3
+
+/* Values for the flags field of struct directive. COND indicates a
+ conditional; IF_COND an opening conditional. INCL means to treat
+ "..." and <...> as q-char and h-char sequences respectively. IN_I
+ means this directive should be handled even if -fpreprocessed is in
+ effect (these are the directives with callback hooks).
+
+ EXPAND is set on directives that are always macro-expanded.
+
+ ELIFDEF is set on directives that are only handled for standards with the
+ #elifdef / #elifndef feature. */
+#define COND (1 << 0)
+#define IF_COND (1 << 1)
+#define INCL (1 << 2)
+#define IN_I (1 << 3)
+#define EXPAND (1 << 4)
+#define DEPRECATED (1 << 5)
+#define ELIFDEF (1 << 6)
+
+/* Defines one #-directive, including how to handle it. */
+typedef void (*directive_handler) (cpp_reader *);
+typedef struct directive directive;
+struct directive
+{
+ directive_handler handler; /* Function to handle directive. */
+ const uchar *name; /* Name of directive. */
+ unsigned short length; /* Length of name. */
+ unsigned char origin; /* Origin of directive. */
+ unsigned char flags; /* Flags describing this directive. */
+};
+
+/* Forward declarations. */
+
+static void skip_rest_of_line (cpp_reader *);
+static void check_eol (cpp_reader *, bool);
+static void start_directive (cpp_reader *);
+static void prepare_directive_trad (cpp_reader *);
+static void end_directive (cpp_reader *, int);
+static void directive_diagnostics (cpp_reader *, const directive *, int);
+static void run_directive (cpp_reader *, int, const char *, size_t);
+static char *glue_header_name (cpp_reader *);
+static const char *parse_include (cpp_reader *, int *, const cpp_token ***,
+ location_t *);
+static void push_conditional (cpp_reader *, int, int, const cpp_hashnode *);
+static unsigned int read_flag (cpp_reader *, unsigned int);
+static bool strtolinenum (const uchar *, size_t, linenum_type *, bool *);
+static void do_diagnostic (cpp_reader *, enum cpp_diagnostic_level code,
+ enum cpp_warning_reason reason, int);
+static cpp_hashnode *lex_macro_node (cpp_reader *, bool);
+static int undefine_macros (cpp_reader *, cpp_hashnode *, void *);
+static void do_include_common (cpp_reader *, enum include_type);
+static struct pragma_entry *lookup_pragma_entry (struct pragma_entry *,
+ const cpp_hashnode *);
+static int count_registered_pragmas (struct pragma_entry *);
+static char ** save_registered_pragmas (struct pragma_entry *, char **);
+static char ** restore_registered_pragmas (cpp_reader *, struct pragma_entry *,
+ char **);
+static void do_pragma_once (cpp_reader *);
+static void do_pragma_poison (cpp_reader *);
+static void do_pragma_system_header (cpp_reader *);
+static void do_pragma_dependency (cpp_reader *);
+static void do_pragma_warning_or_error (cpp_reader *, bool error);
+static void do_pragma_warning (cpp_reader *);
+static void do_pragma_error (cpp_reader *);
+static void do_linemarker (cpp_reader *);
+static const cpp_token *get_token_no_padding (cpp_reader *);
+static const cpp_token *get__Pragma_string (cpp_reader *);
+static void destringize_and_run (cpp_reader *, const cpp_string *,
+ location_t);
+static bool parse_answer (cpp_reader *, int, location_t, cpp_macro **);
+static cpp_hashnode *parse_assertion (cpp_reader *, int, cpp_macro **);
+static cpp_macro **find_answer (cpp_hashnode *, const cpp_macro *);
+static void handle_assertion (cpp_reader *, const char *, int);
+static void do_pragma_push_macro (cpp_reader *);
+static void do_pragma_pop_macro (cpp_reader *);
+static void cpp_pop_definition (cpp_reader *, struct def_pragma_macro *);
+
+/* This is the table of directive handlers. All extensions other than
+ #warning, #include_next, and #import are deprecated. The name is
+ where the extension appears to have come from. */
+
+#define DIRECTIVE_TABLE \
+ D(define, T_DEFINE = 0, KANDR, IN_I) \
+ D(include, T_INCLUDE, KANDR, INCL | EXPAND) \
+ D(endif, T_ENDIF, KANDR, COND) \
+ D(ifdef, T_IFDEF, KANDR, COND | IF_COND) \
+ D(if, T_IF, KANDR, COND | IF_COND | EXPAND) \
+ D(else, T_ELSE, KANDR, COND) \
+ D(ifndef, T_IFNDEF, KANDR, COND | IF_COND) \
+ D(undef, T_UNDEF, KANDR, IN_I) \
+ D(line, T_LINE, KANDR, EXPAND) \
+ D(elif, T_ELIF, STDC89, COND | EXPAND) \
+ D(elifdef, T_ELIFDEF, STDC2X, COND | ELIFDEF) \
+ D(elifndef, T_ELIFNDEF, STDC2X, COND | ELIFDEF) \
+ D(error, T_ERROR, STDC89, 0) \
+ D(pragma, T_PRAGMA, STDC89, IN_I) \
+ D(warning, T_WARNING, EXTENSION, 0) \
+ D(include_next, T_INCLUDE_NEXT, EXTENSION, INCL | EXPAND) \
+ D(ident, T_IDENT, EXTENSION, IN_I) \
+ D(import, T_IMPORT, EXTENSION, INCL | EXPAND) /* ObjC */ \
+ D(assert, T_ASSERT, EXTENSION, DEPRECATED) /* SVR4 */ \
+ D(unassert, T_UNASSERT, EXTENSION, DEPRECATED) /* SVR4 */ \
+ D(sccs, T_SCCS, EXTENSION, IN_I) /* SVR4? */
+
+/* #sccs is synonymous with #ident. */
+#define do_sccs do_ident
+
+/* Use the table to generate a series of prototypes, an enum for the
+ directive names, and an array of directive handlers. */
+
+#define D(name, t, o, f) static void do_##name (cpp_reader *);
+DIRECTIVE_TABLE
+#undef D
+
+#define D(n, tag, o, f) tag,
+enum
+{
+ DIRECTIVE_TABLE
+ N_DIRECTIVES
+};
+#undef D
+
+#define D(name, t, origin, flags) \
+{ do_##name, (const uchar *) #name, \
+ sizeof #name - 1, origin, flags },
+static const directive dtable[] =
+{
+DIRECTIVE_TABLE
+};
+#undef D
+
+/* A NULL-terminated array of directive names for use
+ when suggesting corrections for misspelled directives. */
+#define D(name, t, origin, flags) #name,
+static const char * const directive_names[] = {
+DIRECTIVE_TABLE
+ NULL
+};
+#undef D
+
+#undef DIRECTIVE_TABLE
+
+/* Wrapper struct directive for linemarkers.
+ The origin is more or less true - the original K+R cpp
+ did use this notation in its preprocessed output. */
+static const directive linemarker_dir =
+{
+ do_linemarker, UC"#", 1, KANDR, IN_I
+};
+
+/* Skip any remaining tokens in a directive. */
+static void
+skip_rest_of_line (cpp_reader *pfile)
+{
+ /* Discard all stacked contexts. */
+ while (pfile->context->prev)
+ _cpp_pop_context (pfile);
+
+ /* Sweep up all tokens remaining on the line. */
+ if (! SEEN_EOL ())
+ while (_cpp_lex_token (pfile)->type != CPP_EOF)
+ ;
+}
+
+/* Helper function for check_oel. */
+
+static void
+check_eol_1 (cpp_reader *pfile, bool expand, enum cpp_warning_reason reason)
+{
+ if (! SEEN_EOL () && (expand
+ ? cpp_get_token (pfile)
+ : _cpp_lex_token (pfile))->type != CPP_EOF)
+ cpp_pedwarning (pfile, reason, "extra tokens at end of #%s directive",
+ pfile->directive->name);
+}
+
+/* Variant of check_eol used for Wendif-labels warnings. */
+
+static void
+check_eol_endif_labels (cpp_reader *pfile)
+{
+ check_eol_1 (pfile, false, CPP_W_ENDIF_LABELS);
+}
+
+/* Ensure there are no stray tokens at the end of a directive. If
+ EXPAND is true, tokens macro-expanding to nothing are allowed. */
+
+static void
+check_eol (cpp_reader *pfile, bool expand)
+{
+ check_eol_1 (pfile, expand, CPP_W_NONE);
+}
+
+/* Ensure there are no stray tokens other than comments at the end of
+ a directive, and gather the comments. */
+static const cpp_token **
+check_eol_return_comments (cpp_reader *pfile)
+{
+ size_t c;
+ size_t capacity = 8;
+ const cpp_token **buf;
+
+ buf = XNEWVEC (const cpp_token *, capacity);
+ c = 0;
+ if (! SEEN_EOL ())
+ {
+ while (1)
+ {
+ const cpp_token *tok;
+
+ tok = _cpp_lex_token (pfile);
+ if (tok->type == CPP_EOF)
+ break;
+ if (tok->type != CPP_COMMENT)
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "extra tokens at end of #%s directive",
+ pfile->directive->name);
+ else
+ {
+ if (c + 1 >= capacity)
+ {
+ capacity *= 2;
+ buf = XRESIZEVEC (const cpp_token *, buf, capacity);
+ }
+ buf[c] = tok;
+ ++c;
+ }
+ }
+ }
+ buf[c] = NULL;
+ return buf;
+}
+
+/* Called when entering a directive, _Pragma or command-line directive. */
+static void
+start_directive (cpp_reader *pfile)
+{
+ /* Setup in-directive state. */
+ pfile->state.in_directive = 1;
+ pfile->state.save_comments = 0;
+ pfile->directive_result.type = CPP_PADDING;
+
+ /* Some handlers need the position of the # for diagnostics. */
+ pfile->directive_line = pfile->line_table->highest_line;
+}
+
+/* Called when leaving a directive, _Pragma or command-line directive. */
+static void
+end_directive (cpp_reader *pfile, int skip_line)
+{
+ if (CPP_OPTION (pfile, traditional))
+ {
+ /* Revert change of prepare_directive_trad. */
+ if (!pfile->state.in_deferred_pragma)
+ pfile->state.prevent_expansion--;
+
+ if (pfile->directive != &dtable[T_DEFINE])
+ _cpp_remove_overlay (pfile);
+ }
+ else if (pfile->state.in_deferred_pragma)
+ ;
+ /* We don't skip for an assembler #. */
+ else if (skip_line)
+ {
+ skip_rest_of_line (pfile);
+ if (!pfile->keep_tokens)
+ {
+ pfile->cur_run = &pfile->base_run;
+ pfile->cur_token = pfile->base_run.base;
+ }
+ }
+
+ /* Restore state. */
+ pfile->state.save_comments = ! CPP_OPTION (pfile, discard_comments);
+ pfile->state.in_directive = 0;
+ pfile->state.in_expression = 0;
+ pfile->state.angled_headers = 0;
+ pfile->directive = 0;
+}
+
+/* Prepare to handle the directive in pfile->directive. */
+static void
+prepare_directive_trad (cpp_reader *pfile)
+{
+ if (pfile->directive != &dtable[T_DEFINE])
+ {
+ bool no_expand = (pfile->directive
+ && ! (pfile->directive->flags & EXPAND));
+ bool was_skipping = pfile->state.skipping;
+
+ pfile->state.in_expression = (pfile->directive == &dtable[T_IF]
+ || pfile->directive == &dtable[T_ELIF]);
+ if (pfile->state.in_expression)
+ pfile->state.skipping = false;
+
+ if (no_expand)
+ pfile->state.prevent_expansion++;
+ _cpp_scan_out_logical_line (pfile, NULL, false);
+ if (no_expand)
+ pfile->state.prevent_expansion--;
+
+ pfile->state.skipping = was_skipping;
+ _cpp_overlay_buffer (pfile, pfile->out.base,
+ pfile->out.cur - pfile->out.base);
+ }
+
+ /* Stop ISO C from expanding anything. */
+ pfile->state.prevent_expansion++;
+}
+
+/* Output diagnostics for a directive DIR. INDENTED is nonzero if
+ the '#' was indented. */
+static void
+directive_diagnostics (cpp_reader *pfile, const directive *dir, int indented)
+{
+ /* Issue -pedantic or deprecated warnings for extensions. We let
+ -pedantic take precedence if both are applicable. */
+ if (! pfile->state.skipping)
+ {
+ if (dir->origin == EXTENSION
+ && !(dir == &dtable[T_IMPORT] && CPP_OPTION (pfile, objc))
+ && CPP_PEDANTIC (pfile))
+ cpp_error (pfile, CPP_DL_PEDWARN, "#%s is a GCC extension", dir->name);
+ else if (((dir->flags & DEPRECATED) != 0
+ || (dir == &dtable[T_IMPORT] && !CPP_OPTION (pfile, objc)))
+ && CPP_OPTION (pfile, cpp_warn_deprecated))
+ cpp_warning (pfile, CPP_W_DEPRECATED,
+ "#%s is a deprecated GCC extension", dir->name);
+ }
+
+ /* Traditionally, a directive is ignored unless its # is in
+ column 1. Therefore in code intended to work with K+R
+ compilers, directives added by C89 must have their #
+ indented, and directives present in traditional C must not.
+ This is true even of directives in skipped conditional
+ blocks. #elif cannot be used at all. */
+ if (CPP_WTRADITIONAL (pfile))
+ {
+ if (dir == &dtable[T_ELIF])
+ cpp_warning (pfile, CPP_W_TRADITIONAL,
+ "suggest not using #elif in traditional C");
+ else if (indented && dir->origin == KANDR)
+ cpp_warning (pfile, CPP_W_TRADITIONAL,
+ "traditional C ignores #%s with the # indented",
+ dir->name);
+ else if (!indented && dir->origin != KANDR)
+ cpp_warning (pfile, CPP_W_TRADITIONAL,
+ "suggest hiding #%s from traditional C with an indented #",
+ dir->name);
+ }
+}
+
+/* Check if we have a known directive. INDENTED is true if the
+ '#' of the directive was indented. This function is in this file
+ to save unnecessarily exporting dtable etc. to lex.c. Returns
+ nonzero if the line of tokens has been handled, zero if we should
+ continue processing the line. */
+int
+_cpp_handle_directive (cpp_reader *pfile, bool indented)
+{
+ const directive *dir = 0;
+ const cpp_token *dname;
+ bool was_parsing_args = pfile->state.parsing_args;
+ bool was_discarding_output = pfile->state.discarding_output;
+ int skip = 1;
+
+ if (was_discarding_output)
+ pfile->state.prevent_expansion = 0;
+
+ if (was_parsing_args)
+ {
+ if (CPP_OPTION (pfile, cpp_pedantic))
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "embedding a directive within macro arguments is not portable");
+ pfile->state.parsing_args = 0;
+ pfile->state.prevent_expansion = 0;
+ }
+ start_directive (pfile);
+ dname = _cpp_lex_token (pfile);
+
+ if (dname->type == CPP_NAME)
+ {
+ if (dname->val.node.node->is_directive)
+ {
+ dir = &dtable[dname->val.node.node->directive_index];
+ if ((dir->flags & ELIFDEF)
+ && !CPP_OPTION (pfile, elifdef)
+ /* For -std=gnu* modes elifdef is supported with
+ a pedwarn if pedantic. */
+ && CPP_OPTION (pfile, std))
+ dir = 0;
+ }
+ }
+ /* We do not recognize the # followed by a number extension in
+ assembler code. */
+ else if (dname->type == CPP_NUMBER && CPP_OPTION (pfile, lang) != CLK_ASM)
+ {
+ dir = &linemarker_dir;
+ if (CPP_PEDANTIC (pfile) && ! CPP_OPTION (pfile, preprocessed)
+ && ! pfile->state.skipping)
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "style of line directive is a GCC extension");
+ }
+
+ if (dir)
+ {
+ /* If we have a directive that is not an opening conditional,
+ invalidate any control macro. */
+ if (! (dir->flags & IF_COND))
+ pfile->mi_valid = false;
+
+ /* Kluge alert. In order to be sure that code like this
+
+ #define HASH #
+ HASH define foo bar
+
+ does not cause '#define foo bar' to get executed when
+ compiled with -save-temps, we recognize directives in
+ -fpreprocessed mode only if the # is in column 1. macro.c
+ puts a space in front of any '#' at the start of a macro.
+
+ We exclude the -fdirectives-only case because macro expansion
+ has not been performed yet, and block comments can cause spaces
+ to precede the directive. */
+ if (CPP_OPTION (pfile, preprocessed)
+ && !CPP_OPTION (pfile, directives_only)
+ && (indented || !(dir->flags & IN_I)))
+ {
+ skip = 0;
+ dir = 0;
+ }
+ else
+ {
+ /* In failed conditional groups, all non-conditional
+ directives are ignored. Before doing that, whether
+ skipping or not, we should lex angle-bracketed headers
+ correctly, and maybe output some diagnostics. */
+ pfile->state.angled_headers = dir->flags & INCL;
+ pfile->state.directive_wants_padding = dir->flags & INCL;
+ if (! CPP_OPTION (pfile, preprocessed))
+ directive_diagnostics (pfile, dir, indented);
+ if (pfile->state.skipping && !(dir->flags & COND))
+ dir = 0;
+ }
+ }
+ else if (dname->type == CPP_EOF)
+ ; /* CPP_EOF is the "null directive". */
+ else
+ {
+ /* An unknown directive. Don't complain about it in assembly
+ source: we don't know where the comments are, and # may
+ introduce assembler pseudo-ops. Don't complain about invalid
+ directives in skipped conditional groups (6.10 p4). */
+ if (CPP_OPTION (pfile, lang) == CLK_ASM)
+ skip = 0;
+ else if (!pfile->state.skipping)
+ {
+ const char *unrecognized
+ = (const char *)cpp_token_as_text (pfile, dname);
+ const char *hint = NULL;
+
+ /* Call back into gcc to get a spelling suggestion. Ideally
+ we'd just use best_match from gcc/spellcheck.h (and filter
+ out the uncommon directives), but that requires moving it
+ to a support library. */
+ if (pfile->cb.get_suggestion)
+ hint = pfile->cb.get_suggestion (pfile, unrecognized,
+ directive_names);
+
+ if (hint)
+ {
+ rich_location richloc (pfile->line_table, dname->src_loc);
+ source_range misspelled_token_range
+ = get_range_from_loc (pfile->line_table, dname->src_loc);
+ richloc.add_fixit_replace (misspelled_token_range, hint);
+ cpp_error_at (pfile, CPP_DL_ERROR, &richloc,
+ "invalid preprocessing directive #%s;"
+ " did you mean #%s?",
+ unrecognized, hint);
+ }
+ else
+ cpp_error (pfile, CPP_DL_ERROR,
+ "invalid preprocessing directive #%s",
+ unrecognized);
+ }
+ }
+
+ pfile->directive = dir;
+ if (CPP_OPTION (pfile, traditional))
+ prepare_directive_trad (pfile);
+
+ if (dir)
+ pfile->directive->handler (pfile);
+ else if (skip == 0)
+ _cpp_backup_tokens (pfile, 1);
+
+ end_directive (pfile, skip);
+ if (was_parsing_args && !pfile->state.in_deferred_pragma)
+ {
+ /* Restore state when within macro args. */
+ pfile->state.parsing_args = 2;
+ pfile->state.prevent_expansion = 1;
+ }
+ if (was_discarding_output)
+ pfile->state.prevent_expansion = 1;
+ return skip;
+}
+
+/* Directive handler wrapper used by the command line option
+ processor. BUF is \n terminated. */
+static void
+run_directive (cpp_reader *pfile, int dir_no, const char *buf, size_t count)
+{
+ cpp_push_buffer (pfile, (const uchar *) buf, count,
+ /* from_stage3 */ true);
+ start_directive (pfile);
+
+ /* This is a short-term fix to prevent a leading '#' being
+ interpreted as a directive. */
+ _cpp_clean_line (pfile);
+
+ pfile->directive = &dtable[dir_no];
+ if (CPP_OPTION (pfile, traditional))
+ prepare_directive_trad (pfile);
+ pfile->directive->handler (pfile);
+ end_directive (pfile, 1);
+ _cpp_pop_buffer (pfile);
+}
+
+/* Checks for validity the macro name in #define, #undef, #ifdef and
+ #ifndef directives. IS_DEF_OR_UNDEF is true if this call is
+ processing a #define or #undefine directive, and false
+ otherwise. */
+static cpp_hashnode *
+lex_macro_node (cpp_reader *pfile, bool is_def_or_undef)
+{
+ const cpp_token *token = _cpp_lex_token (pfile);
+
+ /* The token immediately after #define must be an identifier. That
+ identifier may not be "defined", per C99 6.10.8p4.
+ In C++, it may not be any of the "named operators" either,
+ per C++98 [lex.digraph], [lex.key].
+ Finally, the identifier may not have been poisoned. (In that case
+ the lexer has issued the error message for us.) */
+
+ if (token->type == CPP_NAME)
+ {
+ cpp_hashnode *node = token->val.node.node;
+
+ if (is_def_or_undef
+ && node == pfile->spec_nodes.n_defined)
+ cpp_error (pfile, CPP_DL_ERROR,
+ "\"%s\" cannot be used as a macro name",
+ NODE_NAME (node));
+ else if (! (node->flags & NODE_POISONED))
+ return node;
+ }
+ else if (token->flags & NAMED_OP)
+ cpp_error (pfile, CPP_DL_ERROR,
+ "\"%s\" cannot be used as a macro name as it is an operator in C++",
+ NODE_NAME (token->val.node.node));
+ else if (token->type == CPP_EOF)
+ cpp_error (pfile, CPP_DL_ERROR, "no macro name given in #%s directive",
+ pfile->directive->name);
+ else
+ cpp_error (pfile, CPP_DL_ERROR, "macro names must be identifiers");
+
+ return NULL;
+}
+
+/* Process a #define directive. Most work is done in macro.c. */
+static void
+do_define (cpp_reader *pfile)
+{
+ cpp_hashnode *node = lex_macro_node (pfile, true);
+
+ if (node)
+ {
+ /* If we have been requested to expand comments into macros,
+ then re-enable saving of comments. */
+ pfile->state.save_comments =
+ ! CPP_OPTION (pfile, discard_comments_in_macro_exp);
+
+ if (pfile->cb.before_define)
+ pfile->cb.before_define (pfile);
+
+ if (_cpp_create_definition (pfile, node))
+ if (pfile->cb.define)
+ pfile->cb.define (pfile, pfile->directive_line, node);
+
+ node->flags &= ~NODE_USED;
+ }
+}
+
+/* Handle #undef. Mark the identifier NT_VOID in the hash table. */
+static void
+do_undef (cpp_reader *pfile)
+{
+ cpp_hashnode *node = lex_macro_node (pfile, true);
+
+ if (node)
+ {
+ if (pfile->cb.before_define)
+ pfile->cb.before_define (pfile);
+
+ if (pfile->cb.undef)
+ pfile->cb.undef (pfile, pfile->directive_line, node);
+
+ /* 6.10.3.5 paragraph 2: [#undef] is ignored if the specified
+ identifier is not currently defined as a macro name. */
+ if (cpp_macro_p (node))
+ {
+ if (node->flags & NODE_WARN)
+ cpp_error (pfile, CPP_DL_WARNING,
+ "undefining \"%s\"", NODE_NAME (node));
+ else if (cpp_builtin_macro_p (node)
+ && CPP_OPTION (pfile, warn_builtin_macro_redefined))
+ cpp_warning_with_line (pfile, CPP_W_BUILTIN_MACRO_REDEFINED,
+ pfile->directive_line, 0,
+ "undefining \"%s\"", NODE_NAME (node));
+
+ if (node->value.macro
+ && CPP_OPTION (pfile, warn_unused_macros))
+ _cpp_warn_if_unused_macro (pfile, node, NULL);
+
+ _cpp_free_definition (node);
+ }
+ }
+
+ check_eol (pfile, false);
+}
+
+/* Undefine a single macro/assertion/whatever. */
+
+static int
+undefine_macros (cpp_reader *pfile ATTRIBUTE_UNUSED, cpp_hashnode *h,
+ void *data_p ATTRIBUTE_UNUSED)
+{
+ /* Body of _cpp_free_definition inlined here for speed.
+ Macros and assertions no longer have anything to free. */
+ h->type = NT_VOID;
+ h->value.answers = NULL;
+ h->flags &= ~(NODE_POISONED|NODE_DISABLED|NODE_USED);
+ return 1;
+}
+
+/* Undefine all macros and assertions. */
+
+void
+cpp_undef_all (cpp_reader *pfile)
+{
+ cpp_forall_identifiers (pfile, undefine_macros, NULL);
+}
+
+
+/* Helper routine used by parse_include. Reinterpret the current line
+ as an h-char-sequence (< ... >); we are looking at the first token
+ after the <. Returns a malloced filename. */
+static char *
+glue_header_name (cpp_reader *pfile)
+{
+ const cpp_token *token;
+ char *buffer;
+ size_t len, total_len = 0, capacity = 1024;
+
+ /* To avoid lexed tokens overwriting our glued name, we can only
+ allocate from the string pool once we've lexed everything. */
+ buffer = XNEWVEC (char, capacity);
+ for (;;)
+ {
+ token = get_token_no_padding (pfile);
+
+ if (token->type == CPP_GREATER)
+ break;
+ if (token->type == CPP_EOF)
+ {
+ cpp_error (pfile, CPP_DL_ERROR, "missing terminating > character");
+ break;
+ }
+
+ len = cpp_token_len (token) + 2; /* Leading space, terminating \0. */
+ if (total_len + len > capacity)
+ {
+ capacity = (capacity + len) * 2;
+ buffer = XRESIZEVEC (char, buffer, capacity);
+ }
+
+ if (token->flags & PREV_WHITE)
+ buffer[total_len++] = ' ';
+
+ total_len = (cpp_spell_token (pfile, token, (uchar *) &buffer[total_len],
+ true)
+ - (uchar *) buffer);
+ }
+
+ buffer[total_len] = '\0';
+ return buffer;
+}
+
+/* Returns the file name of #include, #include_next, #import and
+ #pragma dependency. The string is malloced and the caller should
+ free it. Returns NULL on error. LOCATION is the source location
+ of the file name. */
+
+static const char *
+parse_include (cpp_reader *pfile, int *pangle_brackets,
+ const cpp_token ***buf, location_t *location)
+{
+ char *fname;
+ const cpp_token *header;
+
+ /* Allow macro expansion. */
+ header = get_token_no_padding (pfile);
+ *location = header->src_loc;
+ if ((header->type == CPP_STRING && header->val.str.text[0] != 'R')
+ || header->type == CPP_HEADER_NAME)
+ {
+ fname = XNEWVEC (char, header->val.str.len - 1);
+ memcpy (fname, header->val.str.text + 1, header->val.str.len - 2);
+ fname[header->val.str.len - 2] = '\0';
+ *pangle_brackets = header->type == CPP_HEADER_NAME;
+ }
+ else if (header->type == CPP_LESS)
+ {
+ fname = glue_header_name (pfile);
+ *pangle_brackets = 1;
+ }
+ else
+ {
+ const unsigned char *dir;
+
+ if (pfile->directive == &dtable[T_PRAGMA])
+ dir = UC"pragma dependency";
+ else
+ dir = pfile->directive->name;
+ cpp_error (pfile, CPP_DL_ERROR, "#%s expects \"FILENAME\" or <FILENAME>",
+ dir);
+
+ return NULL;
+ }
+
+ if (pfile->directive == &dtable[T_PRAGMA])
+ {
+ /* This pragma allows extra tokens after the file name. */
+ }
+ else if (buf == NULL || CPP_OPTION (pfile, discard_comments))
+ check_eol (pfile, true);
+ else
+ {
+ /* If we are not discarding comments, then gather them while
+ doing the eol check. */
+ *buf = check_eol_return_comments (pfile);
+ }
+
+ return fname;
+}
+
+/* Handle #include, #include_next and #import. */
+static void
+do_include_common (cpp_reader *pfile, enum include_type type)
+{
+ const char *fname;
+ int angle_brackets;
+ const cpp_token **buf = NULL;
+ location_t location;
+
+ /* Re-enable saving of comments if requested, so that the include
+ callback can dump comments which follow #include. */
+ pfile->state.save_comments = ! CPP_OPTION (pfile, discard_comments);
+
+ /* Tell the lexer this is an include directive -- we want it to
+ increment the line number even if this is the last line of a file. */
+ pfile->state.in_directive = 2;
+
+ fname = parse_include (pfile, &angle_brackets, &buf, &location);
+ if (!fname)
+ goto done;
+
+ if (!*fname)
+ {
+ cpp_error_with_line (pfile, CPP_DL_ERROR, location, 0,
+ "empty filename in #%s",
+ pfile->directive->name);
+ goto done;
+ }
+
+ /* Prevent #include recursion. */
+ if (pfile->line_table->depth >= CPP_OPTION (pfile, max_include_depth))
+ cpp_error (pfile,
+ CPP_DL_ERROR,
+ "#include nested depth %u exceeds maximum of %u"
+ " (use -fmax-include-depth=DEPTH to increase the maximum)",
+ pfile->line_table->depth,
+ CPP_OPTION (pfile, max_include_depth));
+ else
+ {
+ /* Get out of macro context, if we are. */
+ skip_rest_of_line (pfile);
+
+ if (pfile->cb.include)
+ pfile->cb.include (pfile, pfile->directive_line,
+ pfile->directive->name, fname, angle_brackets,
+ buf);
+
+ _cpp_stack_include (pfile, fname, angle_brackets, type, location);
+ }
+
+ done:
+ XDELETEVEC (fname);
+ if (buf)
+ XDELETEVEC (buf);
+}
+
+static void
+do_include (cpp_reader *pfile)
+{
+ do_include_common (pfile, IT_INCLUDE);
+}
+
+static void
+do_import (cpp_reader *pfile)
+{
+ do_include_common (pfile, IT_IMPORT);
+}
+
+static void
+do_include_next (cpp_reader *pfile)
+{
+ enum include_type type = IT_INCLUDE_NEXT;
+
+ /* If this is the primary source file, warn and use the normal
+ search logic. */
+ if (_cpp_in_main_source_file (pfile))
+ {
+ cpp_error (pfile, CPP_DL_WARNING,
+ "#include_next in primary source file");
+ type = IT_INCLUDE;
+ }
+ do_include_common (pfile, type);
+}
+
+/* Subroutine of do_linemarker. Read possible flags after file name.
+ LAST is the last flag seen; 0 if this is the first flag. Return the
+ flag if it is valid, 0 at the end of the directive. Otherwise
+ complain. */
+static unsigned int
+read_flag (cpp_reader *pfile, unsigned int last)
+{
+ const cpp_token *token = _cpp_lex_token (pfile);
+
+ if (token->type == CPP_NUMBER && token->val.str.len == 1)
+ {
+ unsigned int flag = token->val.str.text[0] - '0';
+
+ if (flag > last && flag <= 4
+ && (flag != 4 || last == 3)
+ && (flag != 2 || last == 0))
+ return flag;
+ }
+
+ if (token->type != CPP_EOF)
+ cpp_error (pfile, CPP_DL_ERROR, "invalid flag \"%s\" in line directive",
+ cpp_token_as_text (pfile, token));
+ return 0;
+}
+
+/* Subroutine of do_line and do_linemarker. Convert a number in STR,
+ of length LEN, to binary; store it in NUMP, and return false if the
+ number was well-formed, true if not. WRAPPED is set to true if the
+ number did not fit into 'linenum_type'. */
+static bool
+strtolinenum (const uchar *str, size_t len, linenum_type *nump, bool *wrapped)
+{
+ linenum_type reg = 0;
+
+ uchar c;
+ bool seen_digit_sep = false;
+ *wrapped = false;
+ while (len--)
+ {
+ c = *str++;
+ if (!seen_digit_sep && c == '\'' && len)
+ {
+ seen_digit_sep = true;
+ continue;
+ }
+ if (!ISDIGIT (c))
+ return true;
+ seen_digit_sep = false;
+ if (reg > ((linenum_type) -1) / 10)
+ *wrapped = true;
+ reg *= 10;
+ if (reg > ((linenum_type) -1) - (c - '0'))
+ *wrapped = true;
+ reg += c - '0';
+ }
+ *nump = reg;
+ return false;
+}
+
+/* Interpret #line command.
+ Note that the filename string (if any) is a true string constant
+ (escapes are interpreted). */
+static void
+do_line (cpp_reader *pfile)
+{
+ class line_maps *line_table = pfile->line_table;
+ const line_map_ordinary *map = LINEMAPS_LAST_ORDINARY_MAP (line_table);
+
+ /* skip_rest_of_line() may cause line table to be realloc()ed so note down
+ sysp right now. */
+
+ unsigned char map_sysp = ORDINARY_MAP_IN_SYSTEM_HEADER_P (map);
+ const cpp_token *token;
+ const char *new_file = ORDINARY_MAP_FILE_NAME (map);
+ linenum_type new_lineno;
+
+ /* C99 raised the minimum limit on #line numbers. */
+ linenum_type cap = CPP_OPTION (pfile, c99) ? 2147483647 : 32767;
+ bool wrapped;
+
+ /* #line commands expand macros. */
+ token = cpp_get_token (pfile);
+ if (token->type != CPP_NUMBER
+ || strtolinenum (token->val.str.text, token->val.str.len,
+ &new_lineno, &wrapped))
+ {
+ if (token->type == CPP_EOF)
+ cpp_error (pfile, CPP_DL_ERROR, "unexpected end of file after #line");
+ else
+ cpp_error (pfile, CPP_DL_ERROR,
+ "\"%s\" after #line is not a positive integer",
+ cpp_token_as_text (pfile, token));
+ return;
+ }
+
+ if (CPP_PEDANTIC (pfile) && (new_lineno == 0 || new_lineno > cap || wrapped))
+ cpp_error (pfile, CPP_DL_PEDWARN, "line number out of range");
+ else if (wrapped)
+ cpp_error (pfile, CPP_DL_WARNING, "line number out of range");
+
+ token = cpp_get_token (pfile);
+ if (token->type == CPP_STRING)
+ {
+ cpp_string s = { 0, 0 };
+ if (cpp_interpret_string_notranslate (pfile, &token->val.str, 1,
+ &s, CPP_STRING))
+ new_file = (const char *)s.text;
+ check_eol (pfile, true);
+ }
+ else if (token->type != CPP_EOF)
+ {
+ cpp_error (pfile, CPP_DL_ERROR, "\"%s\" is not a valid filename",
+ cpp_token_as_text (pfile, token));
+ return;
+ }
+
+ skip_rest_of_line (pfile);
+ _cpp_do_file_change (pfile, LC_RENAME_VERBATIM, new_file, new_lineno,
+ map_sysp);
+ line_table->seen_line_directive = true;
+}
+
+/* Interpret the # 44 "file" [flags] notation, which has slightly
+ different syntax and semantics from #line: Flags are allowed,
+ and we never complain about the line number being too big. */
+static void
+do_linemarker (cpp_reader *pfile)
+{
+ class line_maps *line_table = pfile->line_table;
+ const line_map_ordinary *map = LINEMAPS_LAST_ORDINARY_MAP (line_table);
+ const cpp_token *token;
+ const char *new_file = ORDINARY_MAP_FILE_NAME (map);
+ linenum_type new_lineno;
+ unsigned int new_sysp = ORDINARY_MAP_IN_SYSTEM_HEADER_P (map);
+ enum lc_reason reason = LC_RENAME_VERBATIM;
+ int flag;
+ bool wrapped;
+
+ /* Back up so we can get the number again. Putting this in
+ _cpp_handle_directive risks two calls to _cpp_backup_tokens in
+ some circumstances, which can segfault. */
+ _cpp_backup_tokens (pfile, 1);
+
+ /* #line commands expand macros. */
+ token = cpp_get_token (pfile);
+ if (token->type != CPP_NUMBER
+ || strtolinenum (token->val.str.text, token->val.str.len,
+ &new_lineno, &wrapped))
+ {
+ /* Unlike #line, there does not seem to be a way to get an EOF
+ here. So, it should be safe to always spell the token. */
+ cpp_error (pfile, CPP_DL_ERROR,
+ "\"%s\" after # is not a positive integer",
+ cpp_token_as_text (pfile, token));
+ return;
+ }
+
+ token = cpp_get_token (pfile);
+ if (token->type == CPP_STRING)
+ {
+ cpp_string s = { 0, 0 };
+ if (cpp_interpret_string_notranslate (pfile, &token->val.str,
+ 1, &s, CPP_STRING))
+ new_file = (const char *)s.text;
+
+ new_sysp = 0;
+ flag = read_flag (pfile, 0);
+ if (flag == 1)
+ {
+ reason = LC_ENTER;
+ /* Fake an include for cpp_included (). */
+ _cpp_fake_include (pfile, new_file);
+ flag = read_flag (pfile, flag);
+ }
+ else if (flag == 2)
+ {
+ reason = LC_LEAVE;
+ flag = read_flag (pfile, flag);
+ }
+ if (flag == 3)
+ {
+ new_sysp = 1;
+ flag = read_flag (pfile, flag);
+ if (flag == 4)
+ new_sysp = 2;
+ }
+ pfile->buffer->sysp = new_sysp;
+
+ check_eol (pfile, false);
+ }
+ else if (token->type != CPP_EOF)
+ {
+ cpp_error (pfile, CPP_DL_ERROR, "\"%s\" is not a valid filename",
+ cpp_token_as_text (pfile, token));
+ return;
+ }
+
+ skip_rest_of_line (pfile);
+
+ if (reason == LC_LEAVE)
+ {
+ /* Reread map since cpp_get_token can invalidate it with a
+ reallocation. */
+ map = LINEMAPS_LAST_ORDINARY_MAP (line_table);
+ const line_map_ordinary *from
+ = linemap_included_from_linemap (line_table, map);
+
+ if (!from)
+ /* Not nested. */;
+ else if (!new_file[0])
+ /* Leaving to "" means fill in the popped-to name. */
+ new_file = ORDINARY_MAP_FILE_NAME (from);
+ else if (filename_cmp (ORDINARY_MAP_FILE_NAME (from), new_file) != 0)
+ /* It's the wrong name, Grommit! */
+ from = NULL;
+
+ if (!from)
+ {
+ cpp_warning (pfile, CPP_W_NONE,
+ "file \"%s\" linemarker ignored due to "
+ "incorrect nesting", new_file);
+ return;
+ }
+ }
+
+ /* Compensate for the increment in linemap_add that occurs in
+ _cpp_do_file_change. We're currently at the start of the line
+ *following* the #line directive. A separate location_t for this
+ location makes no sense (until we do the LC_LEAVE), and
+ complicates LAST_SOURCE_LINE_LOCATION. */
+ pfile->line_table->highest_location--;
+
+ _cpp_do_file_change (pfile, reason, new_file, new_lineno, new_sysp);
+ line_table->seen_line_directive = true;
+}
+
+/* Arrange the file_change callback. Changing to TO_FILE:TO_LINE for
+ REASON. SYSP is 1 for a system header, 2 for a system header that
+ needs to be extern "C" protected, and zero otherwise. */
+void
+_cpp_do_file_change (cpp_reader *pfile, enum lc_reason reason,
+ const char *to_file, linenum_type to_line,
+ unsigned int sysp)
+{
+ linemap_assert (reason != LC_ENTER_MACRO);
+
+ const line_map_ordinary *ord_map = NULL;
+ if (!to_line && reason == LC_RENAME_VERBATIM)
+ {
+ /* A linemarker moving to line zero. If we're on the second
+ line of the current map, and it also starts at zero, just
+ rewind -- we're probably reading the builtins of a
+ preprocessed source. */
+ line_map_ordinary *last = LINEMAPS_LAST_ORDINARY_MAP (pfile->line_table);
+ if (!ORDINARY_MAP_STARTING_LINE_NUMBER (last)
+ && 0 == filename_cmp (to_file, ORDINARY_MAP_FILE_NAME (last))
+ && SOURCE_LINE (last, pfile->line_table->highest_line) == 2)
+ {
+ ord_map = last;
+ pfile->line_table->highest_location
+ = pfile->line_table->highest_line = MAP_START_LOCATION (last);
+ }
+ }
+
+ if (!ord_map)
+ if (const line_map *map = linemap_add (pfile->line_table, reason, sysp,
+ to_file, to_line))
+ {
+ ord_map = linemap_check_ordinary (map);
+ linemap_line_start (pfile->line_table,
+ ORDINARY_MAP_STARTING_LINE_NUMBER (ord_map),
+ 127);
+ }
+
+ if (pfile->cb.file_change)
+ pfile->cb.file_change (pfile, ord_map);
+}
+
+/* Report a warning or error detected by the program we are
+ processing. Use the directive's tokens in the error message. */
+static void
+do_diagnostic (cpp_reader *pfile, enum cpp_diagnostic_level code,
+ enum cpp_warning_reason reason, int print_dir)
+{
+ const unsigned char *dir_name;
+ unsigned char *line;
+ location_t src_loc = pfile->cur_token[-1].src_loc;
+
+ if (print_dir)
+ dir_name = pfile->directive->name;
+ else
+ dir_name = NULL;
+ pfile->state.prevent_expansion++;
+ line = cpp_output_line_to_string (pfile, dir_name);
+ pfile->state.prevent_expansion--;
+
+ if (code == CPP_DL_WARNING_SYSHDR && reason)
+ cpp_warning_with_line_syshdr (pfile, reason, src_loc, 0, "%s", line);
+ else if (code == CPP_DL_WARNING && reason)
+ cpp_warning_with_line (pfile, reason, src_loc, 0, "%s", line);
+ else
+ cpp_error_with_line (pfile, code, src_loc, 0, "%s", line);
+ free (line);
+}
+
+static void
+do_error (cpp_reader *pfile)
+{
+ do_diagnostic (pfile, CPP_DL_ERROR, CPP_W_NONE, 1);
+}
+
+static void
+do_warning (cpp_reader *pfile)
+{
+ /* We want #warning diagnostics to be emitted in system headers too. */
+ do_diagnostic (pfile, CPP_DL_WARNING_SYSHDR, CPP_W_WARNING_DIRECTIVE, 1);
+}
+
+/* Report program identification. */
+static void
+do_ident (cpp_reader *pfile)
+{
+ const cpp_token *str = cpp_get_token (pfile);
+
+ if (str->type != CPP_STRING)
+ cpp_error (pfile, CPP_DL_ERROR, "invalid #%s directive",
+ pfile->directive->name);
+ else if (pfile->cb.ident)
+ pfile->cb.ident (pfile, pfile->directive_line, &str->val.str);
+
+ check_eol (pfile, false);
+}
+
+/* Lookup a PRAGMA name in a singly-linked CHAIN. Returns the
+ matching entry, or NULL if none is found. The returned entry could
+ be the start of a namespace chain, or a pragma. */
+static struct pragma_entry *
+lookup_pragma_entry (struct pragma_entry *chain, const cpp_hashnode *pragma)
+{
+ while (chain && chain->pragma != pragma)
+ chain = chain->next;
+
+ return chain;
+}
+
+/* Create and insert a blank pragma entry at the beginning of a
+ singly-linked CHAIN. */
+static struct pragma_entry *
+new_pragma_entry (cpp_reader *pfile, struct pragma_entry **chain)
+{
+ struct pragma_entry *new_entry;
+
+ new_entry = (struct pragma_entry *)
+ _cpp_aligned_alloc (pfile, sizeof (struct pragma_entry));
+
+ memset (new_entry, 0, sizeof (struct pragma_entry));
+ new_entry->next = *chain;
+
+ *chain = new_entry;
+ return new_entry;
+}
+
+/* Register a pragma NAME in namespace SPACE. If SPACE is null, it
+ goes in the global namespace. */
+static struct pragma_entry *
+register_pragma_1 (cpp_reader *pfile, const char *space, const char *name,
+ bool allow_name_expansion)
+{
+ struct pragma_entry **chain = &pfile->pragmas;
+ struct pragma_entry *entry;
+ const cpp_hashnode *node;
+
+ if (space)
+ {
+ node = cpp_lookup (pfile, UC space, strlen (space));
+ entry = lookup_pragma_entry (*chain, node);
+ if (!entry)
+ {
+ entry = new_pragma_entry (pfile, chain);
+ entry->pragma = node;
+ entry->is_nspace = true;
+ entry->allow_expansion = allow_name_expansion;
+ }
+ else if (!entry->is_nspace)
+ goto clash;
+ else if (entry->allow_expansion != allow_name_expansion)
+ {
+ cpp_error (pfile, CPP_DL_ICE,
+ "registering pragmas in namespace \"%s\" with mismatched "
+ "name expansion", space);
+ return NULL;
+ }
+ chain = &entry->u.space;
+ }
+ else if (allow_name_expansion)
+ {
+ cpp_error (pfile, CPP_DL_ICE,
+ "registering pragma \"%s\" with name expansion "
+ "and no namespace", name);
+ return NULL;
+ }
+
+ /* Check for duplicates. */
+ node = cpp_lookup (pfile, UC name, strlen (name));
+ entry = lookup_pragma_entry (*chain, node);
+ if (entry == NULL)
+ {
+ entry = new_pragma_entry (pfile, chain);
+ entry->pragma = node;
+ return entry;
+ }
+
+ if (entry->is_nspace)
+ clash:
+ cpp_error (pfile, CPP_DL_ICE,
+ "registering \"%s\" as both a pragma and a pragma namespace",
+ NODE_NAME (node));
+ else if (space)
+ cpp_error (pfile, CPP_DL_ICE, "#pragma %s %s is already registered",
+ space, name);
+ else
+ cpp_error (pfile, CPP_DL_ICE, "#pragma %s is already registered", name);
+
+ return NULL;
+}
+
+/* Register a cpplib internal pragma SPACE NAME with HANDLER. */
+static void
+register_pragma_internal (cpp_reader *pfile, const char *space,
+ const char *name, pragma_cb handler)
+{
+ struct pragma_entry *entry;
+
+ entry = register_pragma_1 (pfile, space, name, false);
+ entry->is_internal = true;
+ entry->u.handler = handler;
+}
+
+/* Register a pragma NAME in namespace SPACE. If SPACE is null, it
+ goes in the global namespace. HANDLER is the handler it will call,
+ which must be non-NULL. If ALLOW_EXPANSION is set, allow macro
+ expansion while parsing pragma NAME. This function is exported
+ from libcpp. */
+void
+cpp_register_pragma (cpp_reader *pfile, const char *space, const char *name,
+ pragma_cb handler, bool allow_expansion)
+{
+ struct pragma_entry *entry;
+
+ if (!handler)
+ {
+ cpp_error (pfile, CPP_DL_ICE, "registering pragma with NULL handler");
+ return;
+ }
+
+ entry = register_pragma_1 (pfile, space, name, false);
+ if (entry)
+ {
+ entry->allow_expansion = allow_expansion;
+ entry->u.handler = handler;
+ }
+}
+
+/* Similarly, but create mark the pragma for deferred processing.
+ When found, a CPP_PRAGMA token will be insertted into the stream
+ with IDENT in the token->u.pragma slot. */
+void
+cpp_register_deferred_pragma (cpp_reader *pfile, const char *space,
+ const char *name, unsigned int ident,
+ bool allow_expansion, bool allow_name_expansion)
+{
+ struct pragma_entry *entry;
+
+ entry = register_pragma_1 (pfile, space, name, allow_name_expansion);
+ if (entry)
+ {
+ entry->is_deferred = true;
+ entry->allow_expansion = allow_expansion;
+ entry->u.ident = ident;
+ }
+}
+
+/* Register the pragmas the preprocessor itself handles. */
+void
+_cpp_init_internal_pragmas (cpp_reader *pfile)
+{
+ /* Pragmas in the global namespace. */
+ register_pragma_internal (pfile, 0, "once", do_pragma_once);
+ register_pragma_internal (pfile, 0, "push_macro", do_pragma_push_macro);
+ register_pragma_internal (pfile, 0, "pop_macro", do_pragma_pop_macro);
+
+ /* New GCC-specific pragmas should be put in the GCC namespace. */
+ register_pragma_internal (pfile, "GCC", "poison", do_pragma_poison);
+ register_pragma_internal (pfile, "GCC", "system_header",
+ do_pragma_system_header);
+ register_pragma_internal (pfile, "GCC", "dependency", do_pragma_dependency);
+ register_pragma_internal (pfile, "GCC", "warning", do_pragma_warning);
+ register_pragma_internal (pfile, "GCC", "error", do_pragma_error);
+}
+
+/* Return the number of registered pragmas in PE. */
+
+static int
+count_registered_pragmas (struct pragma_entry *pe)
+{
+ int ct = 0;
+ for (; pe != NULL; pe = pe->next)
+ {
+ if (pe->is_nspace)
+ ct += count_registered_pragmas (pe->u.space);
+ ct++;
+ }
+ return ct;
+}
+
+/* Save into SD the names of the registered pragmas referenced by PE,
+ and return a pointer to the next free space in SD. */
+
+static char **
+save_registered_pragmas (struct pragma_entry *pe, char **sd)
+{
+ for (; pe != NULL; pe = pe->next)
+ {
+ if (pe->is_nspace)
+ sd = save_registered_pragmas (pe->u.space, sd);
+ *sd++ = (char *) xmemdup (HT_STR (&pe->pragma->ident),
+ HT_LEN (&pe->pragma->ident),
+ HT_LEN (&pe->pragma->ident) + 1);
+ }
+ return sd;
+}
+
+/* Return a newly-allocated array which saves the names of the
+ registered pragmas. */
+
+char **
+_cpp_save_pragma_names (cpp_reader *pfile)
+{
+ int ct = count_registered_pragmas (pfile->pragmas);
+ char **result = XNEWVEC (char *, ct);
+ (void) save_registered_pragmas (pfile->pragmas, result);
+ return result;
+}
+
+/* Restore from SD the names of the registered pragmas referenced by PE,
+ and return a pointer to the next unused name in SD. */
+
+static char **
+restore_registered_pragmas (cpp_reader *pfile, struct pragma_entry *pe,
+ char **sd)
+{
+ for (; pe != NULL; pe = pe->next)
+ {
+ if (pe->is_nspace)
+ sd = restore_registered_pragmas (pfile, pe->u.space, sd);
+ pe->pragma = cpp_lookup (pfile, UC *sd, strlen (*sd));
+ free (*sd);
+ sd++;
+ }
+ return sd;
+}
+
+/* Restore the names of the registered pragmas from SAVED. */
+
+void
+_cpp_restore_pragma_names (cpp_reader *pfile, char **saved)
+{
+ (void) restore_registered_pragmas (pfile, pfile->pragmas, saved);
+ free (saved);
+}
+
+/* Pragmata handling. We handle some, and pass the rest on to the
+ front end. C99 defines three pragmas and says that no macro
+ expansion is to be performed on them; whether or not macro
+ expansion happens for other pragmas is implementation defined.
+ This implementation allows for a mix of both, since GCC did not
+ traditionally macro expand its (few) pragmas, whereas OpenMP
+ specifies that macro expansion should happen. */
+static void
+do_pragma (cpp_reader *pfile)
+{
+ const struct pragma_entry *p = NULL;
+ const cpp_token *token, *pragma_token;
+ location_t pragma_token_virt_loc = 0;
+ cpp_token ns_token;
+ unsigned int count = 1;
+
+ pfile->state.prevent_expansion++;
+
+ pragma_token = token = cpp_get_token_with_location (pfile,
+ &pragma_token_virt_loc);
+ ns_token = *token;
+ if (token->type == CPP_NAME)
+ {
+ p = lookup_pragma_entry (pfile->pragmas, token->val.node.node);
+ if (p && p->is_nspace)
+ {
+ bool allow_name_expansion = p->allow_expansion;
+ if (allow_name_expansion)
+ pfile->state.prevent_expansion--;
+
+ token = cpp_get_token (pfile);
+ if (token->type == CPP_NAME)
+ p = lookup_pragma_entry (p->u.space, token->val.node.node);
+ else
+ p = NULL;
+ if (allow_name_expansion)
+ pfile->state.prevent_expansion++;
+ count = 2;
+ }
+ }
+
+ if (p)
+ {
+ if (p->is_deferred)
+ {
+ pfile->directive_result.src_loc = pragma_token_virt_loc;
+ pfile->directive_result.type = CPP_PRAGMA;
+ pfile->directive_result.flags = pragma_token->flags;
+ pfile->directive_result.val.pragma = p->u.ident;
+ pfile->state.in_deferred_pragma = true;
+ pfile->state.pragma_allow_expansion = p->allow_expansion;
+ if (!p->allow_expansion)
+ pfile->state.prevent_expansion++;
+ }
+ else
+ {
+ /* Since the handler below doesn't get the line number, that
+ it might need for diagnostics, make sure it has the right
+ numbers in place. */
+ if (pfile->cb.line_change)
+ (*pfile->cb.line_change) (pfile, pragma_token, false);
+ if (p->allow_expansion)
+ pfile->state.prevent_expansion--;
+ (*p->u.handler) (pfile);
+ if (p->allow_expansion)
+ pfile->state.prevent_expansion++;
+ }
+ }
+ else if (pfile->cb.def_pragma)
+ {
+ if (count == 1 || pfile->context->prev == NULL)
+ _cpp_backup_tokens (pfile, count);
+ else
+ {
+ /* Invalid name comes from macro expansion, _cpp_backup_tokens
+ won't allow backing 2 tokens. */
+ /* ??? The token buffer is leaked. Perhaps if def_pragma hook
+ reads both tokens, we could perhaps free it, but if it doesn't,
+ we don't know the exact lifespan. */
+ cpp_token *toks = XNEWVEC (cpp_token, 2);
+ toks[0] = ns_token;
+ toks[0].flags |= NO_EXPAND;
+ toks[1] = *token;
+ toks[1].flags |= NO_EXPAND;
+ _cpp_push_token_context (pfile, NULL, toks, 2);
+ }
+ pfile->cb.def_pragma (pfile, pfile->directive_line);
+ }
+
+ pfile->state.prevent_expansion--;
+}
+
+/* Handle #pragma once. */
+static void
+do_pragma_once (cpp_reader *pfile)
+{
+ if (_cpp_in_main_source_file (pfile))
+ cpp_error (pfile, CPP_DL_WARNING, "#pragma once in main file");
+
+ check_eol (pfile, false);
+ _cpp_mark_file_once_only (pfile, pfile->buffer->file);
+}
+
+/* Handle #pragma push_macro(STRING). */
+static void
+do_pragma_push_macro (cpp_reader *pfile)
+{
+ cpp_hashnode *node;
+ size_t defnlen;
+ const uchar *defn = NULL;
+ char *macroname, *dest;
+ const char *limit, *src;
+ const cpp_token *txt;
+ struct def_pragma_macro *c;
+
+ txt = get__Pragma_string (pfile);
+ if (!txt)
+ {
+ location_t src_loc = pfile->cur_token[-1].src_loc;
+ cpp_error_with_line (pfile, CPP_DL_ERROR, src_loc, 0,
+ "invalid #pragma push_macro directive");
+ check_eol (pfile, false);
+ skip_rest_of_line (pfile);
+ return;
+ }
+ dest = macroname = (char *) alloca (txt->val.str.len + 2);
+ src = (const char *) (txt->val.str.text + 1 + (txt->val.str.text[0] == 'L'));
+ limit = (const char *) (txt->val.str.text + txt->val.str.len - 1);
+ while (src < limit)
+ {
+ /* We know there is a character following the backslash. */
+ if (*src == '\\' && (src[1] == '\\' || src[1] == '"'))
+ src++;
+ *dest++ = *src++;
+ }
+ *dest = 0;
+ check_eol (pfile, false);
+ skip_rest_of_line (pfile);
+ c = XNEW (struct def_pragma_macro);
+ memset (c, 0, sizeof (struct def_pragma_macro));
+ c->name = XNEWVAR (char, strlen (macroname) + 1);
+ strcpy (c->name, macroname);
+ c->next = pfile->pushed_macros;
+ node = _cpp_lex_identifier (pfile, c->name);
+ if (node->type == NT_VOID)
+ c->is_undef = 1;
+ else if (node->type == NT_BUILTIN_MACRO)
+ c->is_builtin = 1;
+ else
+ {
+ defn = cpp_macro_definition (pfile, node);
+ defnlen = ustrlen (defn);
+ c->definition = XNEWVEC (uchar, defnlen + 2);
+ c->definition[defnlen] = '\n';
+ c->definition[defnlen + 1] = 0;
+ c->line = node->value.macro->line;
+ c->syshdr = node->value.macro->syshdr;
+ c->used = node->value.macro->used;
+ memcpy (c->definition, defn, defnlen);
+ }
+
+ pfile->pushed_macros = c;
+}
+
+/* Handle #pragma pop_macro(STRING). */
+static void
+do_pragma_pop_macro (cpp_reader *pfile)
+{
+ char *macroname, *dest;
+ const char *limit, *src;
+ const cpp_token *txt;
+ struct def_pragma_macro *l = NULL, *c = pfile->pushed_macros;
+ txt = get__Pragma_string (pfile);
+ if (!txt)
+ {
+ location_t src_loc = pfile->cur_token[-1].src_loc;
+ cpp_error_with_line (pfile, CPP_DL_ERROR, src_loc, 0,
+ "invalid #pragma pop_macro directive");
+ check_eol (pfile, false);
+ skip_rest_of_line (pfile);
+ return;
+ }
+ dest = macroname = (char *) alloca (txt->val.str.len + 2);
+ src = (const char *) (txt->val.str.text + 1 + (txt->val.str.text[0] == 'L'));
+ limit = (const char *) (txt->val.str.text + txt->val.str.len - 1);
+ while (src < limit)
+ {
+ /* We know there is a character following the backslash. */
+ if (*src == '\\' && (src[1] == '\\' || src[1] == '"'))
+ src++;
+ *dest++ = *src++;
+ }
+ *dest = 0;
+ check_eol (pfile, false);
+ skip_rest_of_line (pfile);
+
+ while (c != NULL)
+ {
+ if (!strcmp (c->name, macroname))
+ {
+ if (!l)
+ pfile->pushed_macros = c->next;
+ else
+ l->next = c->next;
+ cpp_pop_definition (pfile, c);
+ free (c->definition);
+ free (c->name);
+ free (c);
+ break;
+ }
+ l = c;
+ c = c->next;
+ }
+}
+
+/* Handle #pragma GCC poison, to poison one or more identifiers so
+ that the lexer produces a hard error for each subsequent usage. */
+static void
+do_pragma_poison (cpp_reader *pfile)
+{
+ const cpp_token *tok;
+ cpp_hashnode *hp;
+
+ pfile->state.poisoned_ok = 1;
+ for (;;)
+ {
+ tok = _cpp_lex_token (pfile);
+ if (tok->type == CPP_EOF)
+ break;
+ if (tok->type != CPP_NAME)
+ {
+ cpp_error (pfile, CPP_DL_ERROR,
+ "invalid #pragma GCC poison directive");
+ break;
+ }
+
+ hp = tok->val.node.node;
+ if (hp->flags & NODE_POISONED)
+ continue;
+
+ if (cpp_macro_p (hp))
+ cpp_error (pfile, CPP_DL_WARNING, "poisoning existing macro \"%s\"",
+ NODE_NAME (hp));
+ _cpp_free_definition (hp);
+ hp->flags |= NODE_POISONED | NODE_DIAGNOSTIC;
+ }
+ pfile->state.poisoned_ok = 0;
+}
+
+/* Mark the current header as a system header. This will suppress
+ some categories of warnings (notably those from -pedantic). It is
+ intended for use in system libraries that cannot be implemented in
+ conforming C, but cannot be certain that their headers appear in a
+ system include directory. To prevent abuse, it is rejected in the
+ primary source file. */
+static void
+do_pragma_system_header (cpp_reader *pfile)
+{
+ if (_cpp_in_main_source_file (pfile))
+ cpp_error (pfile, CPP_DL_WARNING,
+ "#pragma system_header ignored outside include file");
+ else
+ {
+ check_eol (pfile, false);
+ skip_rest_of_line (pfile);
+ cpp_make_system_header (pfile, 1, 0);
+ }
+}
+
+/* Check the modified date of the current include file against a specified
+ file. Issue a diagnostic, if the specified file is newer. We use this to
+ determine if a fixed header should be refixed. */
+static void
+do_pragma_dependency (cpp_reader *pfile)
+{
+ const char *fname;
+ int angle_brackets, ordering;
+ location_t location;
+
+ fname = parse_include (pfile, &angle_brackets, NULL, &location);
+ if (!fname)
+ return;
+
+ ordering = _cpp_compare_file_date (pfile, fname, angle_brackets);
+ if (ordering < 0)
+ cpp_error (pfile, CPP_DL_WARNING, "cannot find source file %s", fname);
+ else if (ordering > 0)
+ {
+ cpp_error (pfile, CPP_DL_WARNING,
+ "current file is older than %s", fname);
+ if (cpp_get_token (pfile)->type != CPP_EOF)
+ {
+ _cpp_backup_tokens (pfile, 1);
+ do_diagnostic (pfile, CPP_DL_WARNING, CPP_W_NONE, 0);
+ }
+ }
+
+ free ((void *) fname);
+}
+
+/* Issue a diagnostic with the message taken from the pragma. If
+ ERROR is true, the diagnostic is a warning, otherwise, it is an
+ error. */
+static void
+do_pragma_warning_or_error (cpp_reader *pfile, bool error)
+{
+ const cpp_token *tok = _cpp_lex_token (pfile);
+ cpp_string str;
+ if (tok->type != CPP_STRING
+ || !cpp_interpret_string_notranslate (pfile, &tok->val.str, 1, &str,
+ CPP_STRING)
+ || str.len == 0)
+ {
+ cpp_error (pfile, CPP_DL_ERROR, "invalid \"#pragma GCC %s\" directive",
+ error ? "error" : "warning");
+ return;
+ }
+ cpp_error (pfile, error ? CPP_DL_ERROR : CPP_DL_WARNING,
+ "%s", str.text);
+ free ((void *)str.text);
+}
+
+/* Issue a warning diagnostic. */
+static void
+do_pragma_warning (cpp_reader *pfile)
+{
+ do_pragma_warning_or_error (pfile, false);
+}
+
+/* Issue an error diagnostic. */
+static void
+do_pragma_error (cpp_reader *pfile)
+{
+ do_pragma_warning_or_error (pfile, true);
+}
+
+/* Get a token but skip padding. */
+static const cpp_token *
+get_token_no_padding (cpp_reader *pfile)
+{
+ for (;;)
+ {
+ const cpp_token *result = cpp_get_token (pfile);
+ if (result->type != CPP_PADDING)
+ return result;
+ }
+}
+
+/* Check syntax is "(string-literal)". Returns the string on success,
+ or NULL on failure. */
+static const cpp_token *
+get__Pragma_string (cpp_reader *pfile)
+{
+ const cpp_token *string;
+ const cpp_token *paren;
+
+ paren = get_token_no_padding (pfile);
+ if (paren->type == CPP_EOF)
+ _cpp_backup_tokens (pfile, 1);
+ if (paren->type != CPP_OPEN_PAREN)
+ return NULL;
+
+ string = get_token_no_padding (pfile);
+ if (string->type == CPP_EOF)
+ _cpp_backup_tokens (pfile, 1);
+ if (string->type != CPP_STRING && string->type != CPP_WSTRING
+ && string->type != CPP_STRING32 && string->type != CPP_STRING16
+ && string->type != CPP_UTF8STRING)
+ return NULL;
+
+ paren = get_token_no_padding (pfile);
+ if (paren->type == CPP_EOF)
+ _cpp_backup_tokens (pfile, 1);
+ if (paren->type != CPP_CLOSE_PAREN)
+ return NULL;
+
+ return string;
+}
+
+/* Destringize IN into a temporary buffer, by removing the first \ of
+ \" and \\ sequences, and process the result as a #pragma directive. */
+static void
+destringize_and_run (cpp_reader *pfile, const cpp_string *in,
+ location_t expansion_loc)
+{
+ const unsigned char *src, *limit;
+ char *dest, *result;
+ cpp_context *saved_context;
+ cpp_token *saved_cur_token;
+ tokenrun *saved_cur_run;
+ cpp_token *toks;
+ int count;
+ const struct directive *save_directive;
+
+ dest = result = (char *) alloca (in->len - 1);
+ src = in->text + 1 + (in->text[0] == 'L');
+ limit = in->text + in->len - 1;
+ while (src < limit)
+ {
+ /* We know there is a character following the backslash. */
+ if (*src == '\\' && (src[1] == '\\' || src[1] == '"'))
+ src++;
+ *dest++ = *src++;
+ }
+ *dest = '\n';
+
+ /* Ugh; an awful kludge. We are really not set up to be lexing
+ tokens when in the middle of a macro expansion. Use a new
+ context to force cpp_get_token to lex, and so skip_rest_of_line
+ doesn't go beyond the end of the text. Also, remember the
+ current lexing position so we can return to it later.
+
+ Something like line-at-a-time lexing should remove the need for
+ this. */
+ saved_context = pfile->context;
+ saved_cur_token = pfile->cur_token;
+ saved_cur_run = pfile->cur_run;
+
+ pfile->context = XCNEW (cpp_context);
+
+ /* Inline run_directive, since we need to delay the _cpp_pop_buffer
+ until we've read all of the tokens that we want. */
+ cpp_push_buffer (pfile, (const uchar *) result, dest - result,
+ /* from_stage3 */ true);
+ /* ??? Antique Disgusting Hack. What does this do? */
+ if (pfile->buffer->prev)
+ pfile->buffer->file = pfile->buffer->prev->file;
+
+ start_directive (pfile);
+ _cpp_clean_line (pfile);
+ save_directive = pfile->directive;
+ pfile->directive = &dtable[T_PRAGMA];
+ do_pragma (pfile);
+ if (pfile->directive_result.type == CPP_PRAGMA)
+ pfile->directive_result.flags |= PRAGMA_OP;
+ end_directive (pfile, 1);
+ pfile->directive = save_directive;
+
+ /* We always insert at least one token, the directive result. It'll
+ either be a CPP_PADDING or a CPP_PRAGMA. In the later case, we
+ need to insert *all* of the tokens, including the CPP_PRAGMA_EOL. */
+
+ /* If we're not handling the pragma internally, read all of the tokens from
+ the string buffer now, while the string buffer is still installed. */
+ /* ??? Note that the token buffer allocated here is leaked. It's not clear
+ to me what the true lifespan of the tokens are. It would appear that
+ the lifespan is the entire parse of the main input stream, in which case
+ this may not be wrong. */
+ if (pfile->directive_result.type == CPP_PRAGMA)
+ {
+ int maxcount;
+
+ count = 1;
+ maxcount = 50;
+ toks = XNEWVEC (cpp_token, maxcount);
+ toks[0] = pfile->directive_result;
+
+ do
+ {
+ if (count == maxcount)
+ {
+ maxcount = maxcount * 3 / 2;
+ toks = XRESIZEVEC (cpp_token, toks, maxcount);
+ }
+ toks[count] = *cpp_get_token (pfile);
+ /* _Pragma is a builtin, so we're not within a macro-map, and so
+ the token locations are set to bogus ordinary locations
+ near to, but after that of the "_Pragma".
+ Paper over this by setting them equal to the location of the
+ _Pragma itself (PR preprocessor/69126). */
+ toks[count].src_loc = expansion_loc;
+ /* Macros have been already expanded by cpp_get_token
+ if the pragma allowed expansion. */
+ toks[count++].flags |= NO_EXPAND;
+ }
+ while (toks[count-1].type != CPP_PRAGMA_EOL);
+ }
+ else
+ {
+ count = 1;
+ toks = XNEW (cpp_token);
+ toks[0] = pfile->directive_result;
+
+ /* If we handled the entire pragma internally, make sure we get the
+ line number correct for the next token. */
+ if (pfile->cb.line_change)
+ pfile->cb.line_change (pfile, pfile->cur_token, false);
+ }
+
+ /* Finish inlining run_directive. */
+ pfile->buffer->file = NULL;
+ _cpp_pop_buffer (pfile);
+
+ /* Reset the old macro state before ... */
+ XDELETE (pfile->context);
+ pfile->context = saved_context;
+ pfile->cur_token = saved_cur_token;
+ pfile->cur_run = saved_cur_run;
+
+ /* ... inserting the new tokens we collected. */
+ _cpp_push_token_context (pfile, NULL, toks, count);
+}
+
+/* Handle the _Pragma operator. Return 0 on error, 1 if ok. */
+int
+_cpp_do__Pragma (cpp_reader *pfile, location_t expansion_loc)
+{
+ const cpp_token *string = get__Pragma_string (pfile);
+ pfile->directive_result.type = CPP_PADDING;
+
+ if (string)
+ {
+ destringize_and_run (pfile, &string->val.str, expansion_loc);
+ return 1;
+ }
+ cpp_error (pfile, CPP_DL_ERROR,
+ "_Pragma takes a parenthesized string literal");
+ return 0;
+}
+
+/* Handle #ifdef. */
+static void
+do_ifdef (cpp_reader *pfile)
+{
+ int skip = 1;
+
+ if (! pfile->state.skipping)
+ {
+ cpp_hashnode *node = lex_macro_node (pfile, false);
+
+ if (node)
+ {
+ skip = !_cpp_defined_macro_p (node);
+ if (!_cpp_maybe_notify_macro_use (pfile, node, pfile->directive_line))
+ /* It wasn't a macro after all. */
+ skip = true;
+ _cpp_mark_macro_used (node);
+ if (pfile->cb.used)
+ pfile->cb.used (pfile, pfile->directive_line, node);
+ check_eol (pfile, false);
+ }
+ }
+
+ push_conditional (pfile, skip, T_IFDEF, 0);
+}
+
+/* Handle #ifndef. */
+static void
+do_ifndef (cpp_reader *pfile)
+{
+ int skip = 1;
+ cpp_hashnode *node = 0;
+
+ if (! pfile->state.skipping)
+ {
+ node = lex_macro_node (pfile, false);
+
+ if (node)
+ {
+ skip = _cpp_defined_macro_p (node);
+ if (!_cpp_maybe_notify_macro_use (pfile, node, pfile->directive_line))
+ /* It wasn't a macro after all. */
+ skip = false;
+ _cpp_mark_macro_used (node);
+ if (pfile->cb.used)
+ pfile->cb.used (pfile, pfile->directive_line, node);
+ check_eol (pfile, false);
+ }
+ }
+
+ push_conditional (pfile, skip, T_IFNDEF, node);
+}
+
+/* _cpp_parse_expr puts a macro in a "#if !defined ()" expression in
+ pfile->mi_ind_cmacro so we can handle multiple-include
+ optimizations. If macro expansion occurs in the expression, we
+ cannot treat it as a controlling conditional, since the expansion
+ could change in the future. That is handled by cpp_get_token. */
+static void
+do_if (cpp_reader *pfile)
+{
+ int skip = 1;
+
+ if (! pfile->state.skipping)
+ skip = _cpp_parse_expr (pfile, true) == false;
+
+ push_conditional (pfile, skip, T_IF, pfile->mi_ind_cmacro);
+}
+
+/* Flip skipping state if appropriate and continue without changing
+ if_stack; this is so that the error message for missing #endif's
+ etc. will point to the original #if. */
+static void
+do_else (cpp_reader *pfile)
+{
+ cpp_buffer *buffer = pfile->buffer;
+ struct if_stack *ifs = buffer->if_stack;
+
+ if (ifs == NULL)
+ cpp_error (pfile, CPP_DL_ERROR, "#else without #if");
+ else
+ {
+ if (ifs->type == T_ELSE)
+ {
+ cpp_error (pfile, CPP_DL_ERROR, "#else after #else");
+ cpp_error_with_line (pfile, CPP_DL_ERROR, ifs->line, 0,
+ "the conditional began here");
+ }
+ ifs->type = T_ELSE;
+
+ /* Skip any future (erroneous) #elses or #elifs. */
+ pfile->state.skipping = ifs->skip_elses;
+ ifs->skip_elses = true;
+
+ /* Invalidate any controlling macro. */
+ ifs->mi_cmacro = 0;
+
+ /* Only check EOL if was not originally skipping. */
+ if (!ifs->was_skipping && CPP_OPTION (pfile, warn_endif_labels))
+ check_eol_endif_labels (pfile);
+ }
+}
+
+/* Handle a #elif, #elifdef or #elifndef directive by not changing if_stack
+ either. See the comment above do_else. */
+static void
+do_elif (cpp_reader *pfile)
+{
+ cpp_buffer *buffer = pfile->buffer;
+ struct if_stack *ifs = buffer->if_stack;
+
+ if (ifs == NULL)
+ cpp_error (pfile, CPP_DL_ERROR, "#%s without #if", pfile->directive->name);
+ else
+ {
+ if (ifs->type == T_ELSE)
+ {
+ cpp_error (pfile, CPP_DL_ERROR, "#%s after #else",
+ pfile->directive->name);
+ cpp_error_with_line (pfile, CPP_DL_ERROR, ifs->line, 0,
+ "the conditional began here");
+ }
+ ifs->type = T_ELIF;
+
+ /* See DR#412: "Only the first group whose control condition
+ evaluates to true (nonzero) is processed; any following groups
+ are skipped and their controlling directives are processed as
+ if they were in a group that is skipped." */
+ if (ifs->skip_elses)
+ {
+ /* In older GNU standards, #elifdef/#elifndef is supported
+ as an extension, but pedwarn if -pedantic if the presence
+ of the directive would be rejected. */
+ if (pfile->directive != &dtable[T_ELIF]
+ && ! CPP_OPTION (pfile, elifdef)
+ && CPP_PEDANTIC (pfile)
+ && !pfile->state.skipping)
+ {
+ if (CPP_OPTION (pfile, cplusplus))
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "#%s before C++23 is a GCC extension",
+ pfile->directive->name);
+ else
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "#%s before C2X is a GCC extension",
+ pfile->directive->name);
+ }
+ pfile->state.skipping = 1;
+ }
+ else
+ {
+ if (pfile->directive == &dtable[T_ELIF])
+ pfile->state.skipping = !_cpp_parse_expr (pfile, false);
+ else
+ {
+ cpp_hashnode *node = lex_macro_node (pfile, false);
+
+ if (node)
+ {
+ bool macro_defined = _cpp_defined_macro_p (node);
+ if (!_cpp_maybe_notify_macro_use (pfile, node,
+ pfile->directive_line))
+ /* It wasn't a macro after all. */
+ macro_defined = false;
+ bool skip = (pfile->directive == &dtable[T_ELIFDEF]
+ ? !macro_defined
+ : macro_defined);
+ if (pfile->cb.used)
+ pfile->cb.used (pfile, pfile->directive_line, node);
+ check_eol (pfile, false);
+ /* In older GNU standards, #elifdef/#elifndef is supported
+ as an extension, but pedwarn if -pedantic if the presence
+ of the directive would change behavior. */
+ if (! CPP_OPTION (pfile, elifdef)
+ && CPP_PEDANTIC (pfile)
+ && pfile->state.skipping != skip)
+ {
+ if (CPP_OPTION (pfile, cplusplus))
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "#%s before C++23 is a GCC extension",
+ pfile->directive->name);
+ else
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "#%s before C2X is a GCC extension",
+ pfile->directive->name);
+ }
+ pfile->state.skipping = skip;
+ }
+ }
+ ifs->skip_elses = !pfile->state.skipping;
+ }
+
+ /* Invalidate any controlling macro. */
+ ifs->mi_cmacro = 0;
+ }
+}
+
+/* Handle a #elifdef directive. */
+static void
+do_elifdef (cpp_reader *pfile)
+{
+ do_elif (pfile);
+}
+
+/* Handle a #elifndef directive. */
+static void
+do_elifndef (cpp_reader *pfile)
+{
+ do_elif (pfile);
+}
+
+/* #endif pops the if stack and resets pfile->state.skipping. */
+static void
+do_endif (cpp_reader *pfile)
+{
+ cpp_buffer *buffer = pfile->buffer;
+ struct if_stack *ifs = buffer->if_stack;
+
+ if (ifs == NULL)
+ cpp_error (pfile, CPP_DL_ERROR, "#endif without #if");
+ else
+ {
+ /* Only check EOL if was not originally skipping. */
+ if (!ifs->was_skipping && CPP_OPTION (pfile, warn_endif_labels))
+ check_eol_endif_labels (pfile);
+
+ /* If potential control macro, we go back outside again. */
+ if (ifs->next == 0 && ifs->mi_cmacro)
+ {
+ pfile->mi_valid = true;
+ pfile->mi_cmacro = ifs->mi_cmacro;
+ }
+
+ buffer->if_stack = ifs->next;
+ pfile->state.skipping = ifs->was_skipping;
+ obstack_free (&pfile->buffer_ob, ifs);
+ }
+}
+
+/* Push an if_stack entry for a preprocessor conditional, and set
+ pfile->state.skipping to SKIP. If TYPE indicates the conditional
+ is #if or #ifndef, CMACRO is a potentially controlling macro, and
+ we need to check here that we are at the top of the file. */
+static void
+push_conditional (cpp_reader *pfile, int skip, int type,
+ const cpp_hashnode *cmacro)
+{
+ struct if_stack *ifs;
+ cpp_buffer *buffer = pfile->buffer;
+
+ ifs = XOBNEW (&pfile->buffer_ob, struct if_stack);
+ ifs->line = pfile->directive_line;
+ ifs->next = buffer->if_stack;
+ ifs->skip_elses = pfile->state.skipping || !skip;
+ ifs->was_skipping = pfile->state.skipping;
+ ifs->type = type;
+ /* This condition is effectively a test for top-of-file. */
+ if (pfile->mi_valid && pfile->mi_cmacro == 0)
+ ifs->mi_cmacro = cmacro;
+ else
+ ifs->mi_cmacro = 0;
+
+ pfile->state.skipping = skip;
+ buffer->if_stack = ifs;
+}
+
+/* Read the tokens of the answer into the macro pool, in a directive
+ of type TYPE. Only commit the memory if we intend it as permanent
+ storage, i.e. the #assert case. Returns 0 on success, and sets
+ ANSWERP to point to the answer. PRED_LOC is the location of the
+ predicate. */
+static bool
+parse_answer (cpp_reader *pfile, int type, location_t pred_loc,
+ cpp_macro **answer_ptr)
+{
+ /* In a conditional, it is legal to not have an open paren. We
+ should save the following token in this case. */
+ const cpp_token *paren = cpp_get_token (pfile);
+
+ /* If not a paren, see if we're OK. */
+ if (paren->type != CPP_OPEN_PAREN)
+ {
+ /* In a conditional no answer is a test for any answer. It
+ could be followed by any token. */
+ if (type == T_IF)
+ {
+ _cpp_backup_tokens (pfile, 1);
+ return true;
+ }
+
+ /* #unassert with no answer is valid - it removes all answers. */
+ if (type == T_UNASSERT && paren->type == CPP_EOF)
+ return true;
+
+ cpp_error_with_line (pfile, CPP_DL_ERROR, pred_loc, 0,
+ "missing '(' after predicate");
+ return false;
+ }
+
+ cpp_macro *answer = _cpp_new_macro (pfile, cmk_assert,
+ _cpp_reserve_room (pfile, 0,
+ sizeof (cpp_macro)));
+ answer->parm.next = NULL;
+ unsigned count = 0;
+ for (;;)
+ {
+ const cpp_token *token = cpp_get_token (pfile);
+
+ if (token->type == CPP_CLOSE_PAREN)
+ break;
+
+ if (token->type == CPP_EOF)
+ {
+ cpp_error (pfile, CPP_DL_ERROR, "missing ')' to complete answer");
+ return false;
+ }
+
+ answer = (cpp_macro *)_cpp_reserve_room
+ (pfile, sizeof (cpp_macro) + count * sizeof (cpp_token),
+ sizeof (cpp_token));
+ answer->exp.tokens[count++] = *token;
+ }
+
+ if (!count)
+ {
+ cpp_error (pfile, CPP_DL_ERROR, "predicate's answer is empty");
+ return false;
+ }
+
+ /* Drop whitespace at start, for answer equivalence purposes. */
+ answer->exp.tokens[0].flags &= ~PREV_WHITE;
+
+ answer->count = count;
+ *answer_ptr = answer;
+
+ return true;
+}
+
+/* Parses an assertion directive of type TYPE, returning a pointer to
+ the hash node of the predicate, or 0 on error. The node is
+ guaranteed to be disjoint from the macro namespace, so can only
+ have type 'NT_VOID'. If an answer was supplied, it is placed in
+ *ANSWER_PTR, which is otherwise set to 0. */
+static cpp_hashnode *
+parse_assertion (cpp_reader *pfile, int type, cpp_macro **answer_ptr)
+{
+ cpp_hashnode *result = 0;
+
+ /* We don't expand predicates or answers. */
+ pfile->state.prevent_expansion++;
+
+ *answer_ptr = NULL;
+
+ const cpp_token *predicate = cpp_get_token (pfile);
+ if (predicate->type == CPP_EOF)
+ cpp_error (pfile, CPP_DL_ERROR, "assertion without predicate");
+ else if (predicate->type != CPP_NAME)
+ cpp_error_with_line (pfile, CPP_DL_ERROR, predicate->src_loc, 0,
+ "predicate must be an identifier");
+ else if (parse_answer (pfile, type, predicate->src_loc, answer_ptr))
+ {
+ unsigned int len = NODE_LEN (predicate->val.node.node);
+ unsigned char *sym = (unsigned char *) alloca (len + 1);
+
+ /* Prefix '#' to get it out of macro namespace. */
+ sym[0] = '#';
+ memcpy (sym + 1, NODE_NAME (predicate->val.node.node), len);
+ result = cpp_lookup (pfile, sym, len + 1);
+ }
+
+ pfile->state.prevent_expansion--;
+
+ return result;
+}
+
+/* Returns a pointer to the pointer to CANDIDATE in the answer chain,
+ or a pointer to NULL if the answer is not in the chain. */
+static cpp_macro **
+find_answer (cpp_hashnode *node, const cpp_macro *candidate)
+{
+ unsigned int i;
+ cpp_macro **result = NULL;
+
+ for (result = &node->value.answers; *result; result = &(*result)->parm.next)
+ {
+ cpp_macro *answer = *result;
+
+ if (answer->count == candidate->count)
+ {
+ for (i = 0; i < answer->count; i++)
+ if (!_cpp_equiv_tokens (&answer->exp.tokens[i],
+ &candidate->exp.tokens[i]))
+ break;
+
+ if (i == answer->count)
+ break;
+ }
+ }
+
+ return result;
+}
+
+/* Test an assertion within a preprocessor conditional. Returns
+ nonzero on failure, zero on success. On success, the result of
+ the test is written into VALUE, otherwise the value 0. */
+int
+_cpp_test_assertion (cpp_reader *pfile, unsigned int *value)
+{
+ cpp_macro *answer;
+ cpp_hashnode *node = parse_assertion (pfile, T_IF, &answer);
+
+ /* For recovery, an erroneous assertion expression is handled as a
+ failing assertion. */
+ *value = 0;
+
+ if (node)
+ {
+ if (node->value.answers)
+ *value = !answer || *find_answer (node, answer);
+ }
+ else if (pfile->cur_token[-1].type == CPP_EOF)
+ _cpp_backup_tokens (pfile, 1);
+
+ /* We don't commit the memory for the answer - it's temporary only. */
+ return node == 0;
+}
+
+/* Handle #assert. */
+static void
+do_assert (cpp_reader *pfile)
+{
+ cpp_macro *answer;
+ cpp_hashnode *node = parse_assertion (pfile, T_ASSERT, &answer);
+
+ if (node)
+ {
+ /* Place the new answer in the answer list. First check there
+ is not a duplicate. */
+ if (*find_answer (node, answer))
+ {
+ cpp_error (pfile, CPP_DL_WARNING, "\"%s\" re-asserted",
+ NODE_NAME (node) + 1);
+ return;
+ }
+
+ /* Commit or allocate storage for the answer. */
+ answer = (cpp_macro *)_cpp_commit_buff
+ (pfile, sizeof (cpp_macro) - sizeof (cpp_token)
+ + sizeof (cpp_token) * answer->count);
+
+ /* Chain into the list. */
+ answer->parm.next = node->value.answers;
+ node->value.answers = answer;
+
+ check_eol (pfile, false);
+ }
+}
+
+/* Handle #unassert. */
+static void
+do_unassert (cpp_reader *pfile)
+{
+ cpp_macro *answer;
+ cpp_hashnode *node = parse_assertion (pfile, T_UNASSERT, &answer);
+
+ /* It isn't an error to #unassert something that isn't asserted. */
+ if (node)
+ {
+ if (answer)
+ {
+ cpp_macro **p = find_answer (node, answer);
+
+ /* Remove the assert from the list. */
+ if (cpp_macro *temp = *p)
+ *p = temp->parm.next;
+
+ check_eol (pfile, false);
+ }
+ else
+ _cpp_free_definition (node);
+ }
+
+ /* We don't commit the memory for the answer - it's temporary only. */
+}
+
+/* These are for -D, -U, -A. */
+
+/* Process the string STR as if it appeared as the body of a #define.
+ If STR is just an identifier, define it with value 1.
+ If STR has anything after the identifier, then it should
+ be identifier=definition. */
+void
+cpp_define (cpp_reader *pfile, const char *str)
+{
+ char *buf;
+ const char *p;
+ size_t count;
+
+ /* Copy the entire option so we can modify it.
+ Change the first "=" in the string to a space. If there is none,
+ tack " 1" on the end. */
+
+ count = strlen (str);
+ buf = (char *) alloca (count + 3);
+ memcpy (buf, str, count);
+
+ p = strchr (str, '=');
+ if (p)
+ buf[p - str] = ' ';
+ else
+ {
+ buf[count++] = ' ';
+ buf[count++] = '1';
+ }
+ buf[count] = '\n';
+
+ run_directive (pfile, T_DEFINE, buf, count);
+}
+
+/* Like cpp_define, but does not warn about unused macro. */
+void
+cpp_define_unused (cpp_reader *pfile, const char *str)
+{
+ unsigned char warn_unused_macros = CPP_OPTION (pfile, warn_unused_macros);
+ CPP_OPTION (pfile, warn_unused_macros) = 0;
+ cpp_define (pfile, str);
+ CPP_OPTION (pfile, warn_unused_macros) = warn_unused_macros;
+}
+
+/* Use to build macros to be run through cpp_define() as
+ described above.
+ Example: cpp_define_formatted (pfile, "MACRO=%d", value); */
+
+void
+cpp_define_formatted (cpp_reader *pfile, const char *fmt, ...)
+{
+ char *ptr;
+
+ va_list ap;
+ va_start (ap, fmt);
+ ptr = xvasprintf (fmt, ap);
+ va_end (ap);
+
+ cpp_define (pfile, ptr);
+ free (ptr);
+}
+
+/* Like cpp_define_formatted, but does not warn about unused macro. */
+void
+cpp_define_formatted_unused (cpp_reader *pfile, const char *fmt, ...)
+{
+ char *ptr;
+
+ va_list ap;
+ va_start (ap, fmt);
+ ptr = xvasprintf (fmt, ap);
+ va_end (ap);
+
+ cpp_define_unused (pfile, ptr);
+ free (ptr);
+}
+
+/* Slight variant of the above for use by initialize_builtins. */
+void
+_cpp_define_builtin (cpp_reader *pfile, const char *str)
+{
+ size_t len = strlen (str);
+ char *buf = (char *) alloca (len + 1);
+ memcpy (buf, str, len);
+ buf[len] = '\n';
+ run_directive (pfile, T_DEFINE, buf, len);
+}
+
+/* Process MACRO as if it appeared as the body of an #undef. */
+void
+cpp_undef (cpp_reader *pfile, const char *macro)
+{
+ size_t len = strlen (macro);
+ char *buf = (char *) alloca (len + 1);
+ memcpy (buf, macro, len);
+ buf[len] = '\n';
+ run_directive (pfile, T_UNDEF, buf, len);
+}
+
+/* Replace a previous definition DEF of the macro STR. If DEF is NULL,
+ or first element is zero, then the macro should be undefined. */
+static void
+cpp_pop_definition (cpp_reader *pfile, struct def_pragma_macro *c)
+{
+ cpp_hashnode *node = _cpp_lex_identifier (pfile, c->name);
+ if (node == NULL)
+ return;
+
+ if (pfile->cb.before_define)
+ pfile->cb.before_define (pfile);
+
+ if (cpp_macro_p (node))
+ {
+ if (pfile->cb.undef)
+ pfile->cb.undef (pfile, pfile->directive_line, node);
+ if (CPP_OPTION (pfile, warn_unused_macros))
+ _cpp_warn_if_unused_macro (pfile, node, NULL);
+ _cpp_free_definition (node);
+ }
+
+ if (c->is_undef)
+ return;
+ if (c->is_builtin)
+ {
+ _cpp_restore_special_builtin (pfile, c);
+ return;
+ }
+
+ {
+ size_t namelen;
+ const uchar *dn;
+ cpp_hashnode *h = NULL;
+ cpp_buffer *nbuf;
+
+ namelen = ustrcspn (c->definition, "( \n");
+ h = cpp_lookup (pfile, c->definition, namelen);
+ dn = c->definition + namelen;
+
+ nbuf = cpp_push_buffer (pfile, dn, ustrchr (dn, '\n') - dn, true);
+ if (nbuf != NULL)
+ {
+ _cpp_clean_line (pfile);
+ nbuf->sysp = 1;
+ if (!_cpp_create_definition (pfile, h))
+ abort ();
+ _cpp_pop_buffer (pfile);
+ }
+ else
+ abort ();
+ h->value.macro->line = c->line;
+ h->value.macro->syshdr = c->syshdr;
+ h->value.macro->used = c->used;
+ }
+}
+
+/* Process the string STR as if it appeared as the body of a #assert. */
+void
+cpp_assert (cpp_reader *pfile, const char *str)
+{
+ handle_assertion (pfile, str, T_ASSERT);
+}
+
+/* Process STR as if it appeared as the body of an #unassert. */
+void
+cpp_unassert (cpp_reader *pfile, const char *str)
+{
+ handle_assertion (pfile, str, T_UNASSERT);
+}
+
+/* Common code for cpp_assert (-A) and cpp_unassert (-A-). */
+static void
+handle_assertion (cpp_reader *pfile, const char *str, int type)
+{
+ size_t count = strlen (str);
+ const char *p = strchr (str, '=');
+
+ /* Copy the entire option so we can modify it. Change the first
+ "=" in the string to a '(', and tack a ')' on the end. */
+ char *buf = (char *) alloca (count + 2);
+
+ memcpy (buf, str, count);
+ if (p)
+ {
+ buf[p - str] = '(';
+ buf[count++] = ')';
+ }
+ buf[count] = '\n';
+ str = buf;
+
+ run_directive (pfile, type, str, count);
+}
+
+/* The options structure. */
+cpp_options *
+cpp_get_options (cpp_reader *pfile)
+{
+ return &pfile->opts;
+}
+
+/* The callbacks structure. */
+cpp_callbacks *
+cpp_get_callbacks (cpp_reader *pfile)
+{
+ return &pfile->cb;
+}
+
+/* Copy the given callbacks structure to our own. */
+void
+cpp_set_callbacks (cpp_reader *pfile, cpp_callbacks *cb)
+{
+ pfile->cb = *cb;
+}
+
+/* The narrow character set identifier. */
+const char *
+cpp_get_narrow_charset_name (cpp_reader *pfile)
+{
+ return pfile->narrow_cset_desc.to;
+}
+
+/* The wide character set identifier. */
+const char *
+cpp_get_wide_charset_name (cpp_reader *pfile)
+{
+ return pfile->wide_cset_desc.to;
+}
+
+/* The dependencies structure. (Creates one if it hasn't already been.) */
+class mkdeps *
+cpp_get_deps (cpp_reader *pfile)
+{
+ if (!pfile->deps && CPP_OPTION (pfile, deps.style) != DEPS_NONE)
+ pfile->deps = deps_init ();
+ return pfile->deps;
+}
+
+/* Push a new buffer on the buffer stack. Returns the new buffer; it
+ doesn't fail. It does not generate a file change call back; that
+ is the responsibility of the caller. */
+cpp_buffer *
+cpp_push_buffer (cpp_reader *pfile, const uchar *buffer, size_t len,
+ int from_stage3)
+{
+ cpp_buffer *new_buffer = XOBNEW (&pfile->buffer_ob, cpp_buffer);
+
+ /* Clears, amongst other things, if_stack and mi_cmacro. */
+ memset (new_buffer, 0, sizeof (cpp_buffer));
+
+ new_buffer->next_line = new_buffer->buf = buffer;
+ new_buffer->rlimit = buffer + len;
+ new_buffer->from_stage3 = from_stage3;
+ new_buffer->prev = pfile->buffer;
+ new_buffer->need_line = true;
+
+ pfile->buffer = new_buffer;
+
+ return new_buffer;
+}
+
+/* Pops a single buffer, with a file change call-back if appropriate.
+ Then pushes the next -include file, if any remain. */
+void
+_cpp_pop_buffer (cpp_reader *pfile)
+{
+ cpp_buffer *buffer = pfile->buffer;
+ struct _cpp_file *inc = buffer->file;
+ struct if_stack *ifs;
+ const unsigned char *to_free;
+
+ /* Walk back up the conditional stack till we reach its level at
+ entry to this file, issuing error messages. */
+ for (ifs = buffer->if_stack; ifs; ifs = ifs->next)
+ cpp_error_with_line (pfile, CPP_DL_ERROR, ifs->line, 0,
+ "unterminated #%s", dtable[ifs->type].name);
+
+ /* In case of a missing #endif. */
+ pfile->state.skipping = 0;
+
+ /* _cpp_do_file_change expects pfile->buffer to be the new one. */
+ pfile->buffer = buffer->prev;
+
+ to_free = buffer->to_free;
+ free (buffer->notes);
+
+ /* Free the buffer object now; we may want to push a new buffer
+ in _cpp_push_next_include_file. */
+ obstack_free (&pfile->buffer_ob, buffer);
+
+ if (inc)
+ {
+ _cpp_pop_file_buffer (pfile, inc, to_free);
+
+ _cpp_do_file_change (pfile, LC_LEAVE, 0, 0, 0);
+ }
+ else if (to_free)
+ free ((void *)to_free);
+}
+
+/* Enter all recognized directives in the hash table. */
+void
+_cpp_init_directives (cpp_reader *pfile)
+{
+ for (int i = 0; i < N_DIRECTIVES; i++)
+ {
+ cpp_hashnode *node = cpp_lookup (pfile, dtable[i].name, dtable[i].length);
+ node->is_directive = 1;
+ node->directive_index = i;
+ }
+}
+
+/* Extract header file from a bracket include. Parsing starts after '<'.
+ The string is malloced and must be freed by the caller. */
+char *
+_cpp_bracket_include(cpp_reader *pfile)
+{
+ return glue_header_name (pfile);
+}
+
generated by cgit v1.1 at 2024-09-29 10:59:58 +0000