https://github.com/udem-dlteam/ribbit/commit/14077d111425c8472dd5a0e865462dea70a8d206

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Add POSIX shell target that allows bootstrapping Ribbit using only a
...

...POSIX shell (be ready to wait 5 hours for the bootstrap using ksh and substantially more for other shells)

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@feeley
feeley committed Apr 20, 2022
1 parent 831c141 commit 14077d111425c8472dd5a0e865462dea70a8d206
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Showing 5 changed files with 550 additions and 1 deletion.

 1. +12 -1  README.md
 2. +15 -0  src/host/sh/makefile
 3. +3 -0  src/host/sh/minify
 4. +518 -0  src/host/sh/rvm.sh
 5. +2 -0  src/host/sh/tests/00-empty.scm

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13 README.md
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  @@ -14,7 +14,7 @@ The Ribbit AOT compiler is written in Scheme and
  can be executed with Gambit, Gu
  
  The AOT compiler's source code is in a single file: `src/rsc.scm` .
  This Scheme file can be executed as a program with the Gambit,
  Guile or Chicken interpreters. Alternatively the AOT compiler can
  be executed using the `src/rsc` shell script, which has the
  additional `-c` option to select a specific build of the Ribbit AOT
  compiler which is useful for bootstrapping Ribbit.
  
  Ribbit currently supports the target languages C, JavaScript,
  Python and Scheme which are selectable with the compiler's `-t`
  option with `c`, `js`, `py`, and `scm` respectively. The compacted
  RVM code can be obtained with the target `rvm` which is the
  default.
  Ribbit currently supports the target languages C, JavaScript,
  Python, Scheme, and POSIX shell which are selectable with the
  compiler's `-t` option with `c`, `js`, `py`, `scm` and `sh`
  respectively. The compacted RVM code can be obtained with the
  target `rvm` which is the default.
  
  The `-m` option causes a minification of the generated program.
  This requires a recent version of Gambit.
  
  @@ -84,3 +84,14 @@ Here are a few examples (all assume that a `cd
  src` has been done first):
  $ ./rsc -t py -l max -c "node rsc.scm.js" h.scm # use bootstrapped
  compiler
  $ python3 h.scm.py
  hello!
  
  Bootstrap the Ribbit AOT compiler using a POSIX shell (note
  that with ksh this takes over 5 hours on a fast computer and it
  can take substantially more with other POSIX shells):
  
  $ ./rsc -t sh -l max -o rsc-bootstrap1.sh rsc.scm
  $ ./rsc -t sh -l max -c "ksh rsc-bootstrap1.sh" -o
  rsc-bootstrap2.sh rsc.scm
  $ echo '(display "hello!\n")' > h.scm
  $ ./rsc -t sh -l max -m -c "ksh rsc-bootstrap2.sh" h.scm
  $ ksh h.scm.sh
  hello!

15 src/host/sh/makefile
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  @@ -0,0 +1,15 @@
  all:
  
  check:
  @echo "*** TESTING sh TARGET ***"; \
  for prog in `ls ../../tests/*.scm tests/*.scm` ; do \
  options=`sed -n -e '/;;;options:/p' $$prog | sed -e 's/^;;;options:
  //'`; \
  echo "---------------------- $$prog [options:$$options]"; \
  rm -f test.sh*; \
  ../../rsc -t sh $$options -o test.sh $$prog; \
  sed -n -e '/;;;input:/p' $$prog | sed -e 's/^;;;input://' | sh
  test.sh > test.sh.out; \
  sed -e '1,/;;;expected:/d' -e 's/^;;;//' $$prog | diff -
  test.sh.out; \
  done
  
  clean:
  rm -f test.sh*

3 src/host/sh/minify
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  @@ -0,0 +1,3 @@
  #!/bin/sh
  
  sed -e '/.*# DEBUG.*/d'

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