#!/bin/bash # # For textual code generation. # # Usage: # ./codegen.sh # # We want a single step build from the git tree, but we also want the generated # code to be distributed in the release tarball. # # For ASDL code generation, re2c, etc. # NOTE: This is similar to the generation of osh_help.py. set -o nounset set -o pipefail set -o errexit source build/common.sh # Files # # native/lex.c -- calls generated function? # osh/lex.py -- needs a wrapper for FindLongestMatch? # # ReadToken(lexer_mode, line, s) -> (t, e) # NOTE: These are in _devbuild because fastlex.so need them, and fastlex.so is # needed for the Makefile to properly crawl dependencies. # # _devbuild/gen/ # osh-ast.h - lex_mode_e for now # id_kind.h - id_e for now # osh-lex.re2c.c # osh-lex.c download-re2c() { mkdir -p _deps wget --directory _deps \ https://github.com/skvadrik/re2c/releases/download/1.0.3/re2c-1.0.3.tar.gz } install-re2c() { cd _deps tar -x -z < re2c-1.0.3.tar.gz cd re2c-1.0.3 ./configure make } re2c() { _deps/re2c-1.0.3/re2c "$@"; } ast-gen() { PYTHONPATH=. osh/ast_gen.py "$@" > _devbuild/gen/osh-ast.h } id-gen() { PYTHONPATH=. core/id_kind_gen.py c > _devbuild/gen/id.h } lexer-gen() { PYTHONPATH=. core/lexer_gen.py "$@"; } # _gen/osh_lex.re2c.c # This includes osh_ast.h osh-lex-gen() { lexer-gen c > _devbuild/gen/osh-lex.re2c.h } print-regex() { lexer-gen print-regex; } print-all() { lexer-gen print-all; } # re2c native. osh-lex-gen-native() { # Turn on all warnings and make them native. # The COMMENT state can match an empty string at the end of a line, e.g. # '#\n'. So we have to turn that warning off. re2c -W -Wno-match-empty-string -Werror \ -o _devbuild/gen/osh-lex.h _devbuild/gen/osh-lex.re2c.h } # Called by build/dev.sh for fastlex.so. ast-id-lex() { mkdir -p _devbuild/gen log "-- Generating AST, IDs, and lexer in _devbuild/gen" ast-gen id-gen osh-lex-gen osh-lex-gen-native } # Size profiler for binaries. TODO: Fold this into benchmarks/ bloaty() { ~/git/other/bloaty/bloaty "$@"; } stats() { local obj=_devbuild/py-ext/x86_64/fastlex.so nm $obj echo bloaty $obj echo # fastlex_MatchToken is 21.2 KiB. That doesn't seem to large compared ot # the 14K line output? bloaty -d symbols $obj echo ls -l $obj echo } # NOTES: # - core/id_kind_gen.py generates the mapping from Id to Kind. # - It needs a mapping output by the Python superoptimizatio script. # - asdl/gen_cpp.py generates oheap code in main(). # - It should probably be factored into a library and main driver. # - Also see asdl/run.sh. gen-cpp() { PYTHONPATH=. asdl/gen_cpp.py cpp osh/osh.asdl } "$@"