shithub: moonfish

--- a/.build.yml

+++ b/.build.yml

@@ -14,18 +14,18 @@

   - wasi-sdk

   - clang

   - lld

-  - llvm

+  - binaryen

 tasks:

   - build: |

       cd moonfish

       make LDFLAGS=-static

       make LDFLAGS=-static CC=x86_64-w64-mingw32-gcc moonfish.exe

-      make LDFLAGS='-static -Wl,--max-memory=1073741824' CC='clang --target=wasm32-wasi-threads --sysroot=/usr/share/wasi-sysroot' moonfish.wasm

+      make LDFLAGS=-static CC='clang --target=wasm32-wasi' CPPFLAGS='-Dmoonfish_no_threads' moonfish.wasm

       ./minify.sh

   - strip: |

       cd moonfish

       strip --strip-all moonfish play lichess analyse battle ribbon chat book

-      llvm-strip --strip-all moonfish.wasm

+      wasm-opt -O4 -o moonfish.wasm moonfish.wasm

   - deploy: |

       set +x

       if test "x$GIT_REF" = x || ! test -f neocities-token.txt

--- a/.gitignore

+++ b/.gitignore

@@ -7,6 +7,7 @@

 !/README.md

 !/makefile

 !/.build.yml

+!/check.sh

 !/moonfish.vcxproj

 !/minify.sh

 !/rename.sh

--- /dev/null

+++ b/check.sh

@@ -1,0 +1,53 @@

+#!/usr/bin/env bash

+# moonfish is licensed under the AGPL (v3 or later)

+# copyright 2024 zamfofex

+set -e

+positions=("r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -" "8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - -" "r3k2r/Pppp1ppp/1b3nbN/nP6/BBP1P3/q4N2/Pp1P2PP/R2Q1RK1 w kq - 0 1" "r2q1rk1/pP1p2pp/Q4n2/bbp1p3/Np6/1B3NBn/pPPP1PPP/R3K2R b KQ - 0 1" "rnbq1k1r/pp1Pbppp/2p5/8/2B5/8/PPP1NnPP/RNBQK2R w KQ - 1 8" "r4rk1/1pp1qppp/p1np1n2/2b1p1B1/2B1P1b1/P1NP1N2/1PP1QPPP/R4RK1 w - - 0 10")

+diff - <(

+	echo 'checking starting position' >&2

+	for n in {1..5}

+	do ./perft -N"$n"

+	done

+	for f in "${positions[@]}"

+	do

+		echo "checking '$f'" >&2

+		for n in {1..4}

+		do ./perft -N"$n" -F"$f"

+		done

+	done

+) <<END

+perft 1: 20

+perft 2: 400

+perft 3: 8902

+perft 4: 197281

+perft 5: 4865609

+perft 1: 48

+perft 2: 2039

+perft 3: 97862

+perft 4: 4085603

+perft 1: 14

+perft 2: 191

+perft 3: 2812

+perft 4: 43238

+perft 1: 6

+perft 2: 264

+perft 3: 9467

+perft 4: 422333

+perft 1: 6

+perft 2: 264

+perft 3: 9467

+perft 4: 422333

+perft 1: 44

+perft 2: 1486

+perft 3: 62379

+perft 4: 2103487

+perft 1: 46

+perft 2: 2079

+perft 3: 89890

+perft 4: 3894594

+END

--- a/makefile

+++ b/makefile

@@ -9,17 +9,21 @@

 moonfish_cc := $(cc) -pthread -D_POSIX_C_SOURCE=199309L

 tools_cc := $(cc) -pthread -D_POSIX_C_SOURCE=200809L

+wasm_cc := $(cc) -D_POSIX_C_SOURCE=199309L

 tools_src := moonfish.h tools/tools.h tools/utils.c chess.c

 ugi_src := $(tools_src) tools/ugi.h tools/ugi.c tools/ugi-uci.c

-.PHONY: all clean install uninstall

+.PHONY: all clean install uninstall check

 all: moonfish play lichess analyse battle ribbon chat uci-ugi ugi-uci book

-moonfish moonfish.exe moonfish.wasm: moonfish.h chess.c search.c main.c

+moonfish moonfish.exe: moonfish.h chess.c search.c main.c

 	$(moonfish_cc) -o $@ $(filter %.c,$^)

+moonfish.wasm: moonfish.h chess.c search.c main.c

+	$(wasm_cc) -o $@ $(filter %.c,$^)

 %: $(tools_src) tools/%.c

 	$(tools_cc) -o $@ $(filter %.c,$^)

@@ -35,8 +39,11 @@

 uci-ugi: $(ugi_src)

 	$(tools_cc) -o $@ $(filter %.c,$^)

-learn: $(tools_src) tools/learn.c

+learn: $(tools_src) search.c tools/learn.c

 	$(tools_cc) -Dmoonfish_learn -o $@ $(filter %.c,$^)

+check: perft

+	./check.sh

 clean:

 	git clean -fdx

--- a/minify.sh

+++ b/minify.sh

@@ -5,6 +5,9 @@

 set -e

+sh="${shell:-"${SHELL:-bash}"}"

+cc="${HOST_CC:-gcc}"

 # for each C source file

 cat moonfish.h chess.c search.c mini.c |

@@ -23,7 +26,7 @@

 sed 's/^int\b//g' |

 sed 's/^void\b//g' |

-#remove redundant 'int'

+# remove redundant 'int'

 sed 's/\bstatic int\b/static/g' |

 # remove the '#' from system '#include'

@@ -31,7 +34,7 @@

 # preprocess the file, add '#' back to 'include'

 # note: this materialises the whole file

-gcc -E -Dinclude='#include' -Dmoonfish_mini - |

+"$cc" -E -Dinclude='#include' -Dmoonfish_mini - |

 # remove lines starting with '# '

 sed '/^# /d' |

@@ -54,7 +57,7 @@

 sed '/^[^"'"'"'#]/s/[a-z0-9_]\+/\n\0\n/gi' |

 # rename identifiers to be shorter

-./rename.sh |

+"$sh" rename.sh |

 # replace all white space with tabs (except inside string literals)

 # note: this makes the next 'sed' materialise the whole file

--

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