shithub: moonfish

--- a/.build.yml

+++ b/.build.yml

@@ -21,7 +21,6 @@

       make LDFLAGS=-static

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

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

-      shell=bash ./minify.sh

   - strip: |

       cd moonfish

       strip --strip-all moonfish play lichess analyse chat

@@ -45,7 +44,6 @@

         -F "$root"/lichess=@lichess \

         -F "$root"/analyse=@analyse \

         -F "$root"/chat=@chat \

-        -F "$root"/moonfish.sh=@moonfish.sh \

         -F "$root"/moonfish.exe=@moonfish.exe \

         -F "$root"/moonfish.wasm=@moonfish.wasm \

         https://neocities.org/api/upload

--- a/.gitignore

+++ b/.gitignore

@@ -9,13 +9,10 @@

 !/.build.yml

 !/check.sh

 !/moonfish.vcxproj

-!/minify.sh

-!/rename.sh

 !/moonfish.h

 !/chess.c

 !/search.c

 !/main.c

-!/mini.c

 !/tools

 !/tools/tools.h

 !/tools/utils.c

--- a/chess.c

+++ b/chess.c

@@ -1,6 +1,8 @@

 /* moonfish is licensed under the AGPL (v3 or later) */

 /* copyright 2023, 2024 zamfofex */

+#include <string.h>

 #include "moonfish.h"

 static void moonfish_force_promotion(struct moonfish_chess *chess, struct moonfish_move **moves, unsigned char from, unsigned char to, unsigned char promotion)

@@ -276,12 +278,10 @@

 	int i, count;

 	struct moonfish_move moves[32];

-#ifndef moonfish_mini

 	if (name[0] < 'a' || name[0] > 'h') return 1;

 	if (name[1] < '1' || name[1] > '8') return 1;

 	if (name[2] < 'a' || name[2] > 'h') return 1;

 	if (name[3] < '1' || name[3] > '8') return 1;

-#endif

 	x0 = name[0] - 'a';

 	y0 = name[1] - '1';

@@ -349,10 +349,6 @@

-#ifndef moonfish_mini

-#include <string.h>

 int moonfish_move(struct moonfish_chess *chess, struct moonfish_move *found, unsigned char from, unsigned char to)

 	struct moonfish_move moves[32];

@@ -835,5 +831,3 @@

 	*name = 0;

-#endif

--- a/mini.c

+++ /dev/null

@@ -1,65 +1,0 @@

-/* moonfish is licensed under the AGPL (v3 or later) */

-/* copyright 2023, 2024 zamfofex */

-#include <stdlib.h>

-#include <string.h>

-#include <stdio.h>

-#include "moonfish.h"

-int main(void)

-{

-	static char line[2048];

-	struct moonfish_move move;

-	char name[6];

-	int our_time, their_time, time;

-	struct moonfish_chess chess;

-	char *arg;

-	for (;;)

-	{

-		fgets(line, sizeof line, stdin);

-		arg = strchr(line, '\n');

-		if (arg) *arg = 0;

-		if (!strncmp(line, "go ", 3))

-		{

-			sscanf(line, "go wtime %d btime %d", &our_time, &their_time);

-			if (!chess.white)

-			{

-				time = our_time;

-				our_time = their_time;

-				their_time = time;

-			}

-			moonfish_best_move_clock(&chess, &move, our_time, their_time);

-			moonfish_to_uci(&chess, &move, name);

-			printf("bestmove %s\n", name);

-		}

-		else if (!strncmp(line, "position ", 9))

-		{

-			moonfish_chess(&chess);

-			arg = strstr(line, " moves ");

-			if (!arg) continue;

-			arg = strtok(arg, " ");

-			while (arg = strtok(NULL, "\n "))

-			{

-				moonfish_from_uci(&chess, &move, arg);

-				chess = move.chess;

-			}

-		}

-		else if (!strcmp(line, "uci"))

-			printf("uciok\n");

-		else if (!strcmp(line, "isready"))

-			printf("readyok\n");

-		else if (!strcmp(line, "quit"))

-			break;

-		fflush(stdout);

-	}

-}

--- a/minify.sh

+++ /dev/null

@@ -1,98 +1,0 @@

-#!/usr/bin/env bash

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

-# copyright 2023, 2024 zamfofex

-set -e

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

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

-# for each C source file

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

-# replace 'unsigned char' with 'int'

-sed 's/\bunsigned char\b/int/g' |

-# remove 'signed' and 'unsigned'

-sed 's/\tsigned /\t/g' |

-sed 's/\tunsigned /\t/g' |

-# remove 'long'

-sed 's/\blong\b \?//g' |

-# remove top-level 'static', 'int' and 'void'

-sed 's/^static\b//g' |

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

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

-# remove redundant 'int'

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

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

-sed 's/^#\(include <\)/\1/g' |

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

-# note: this materialises the whole file

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

-# remove lines starting with '# '

-sed '/^# /d' |

-# remove leading white space from '#include' lines

-sed 's/^[\t ]\+#/#/g' |

-# place all '#include' lines on top

-# note: this materialises the whole file

-( txt="$(tee)" && { grep '^#' <<< "$txt" || : ; grep -v '^#' <<< "$txt" ; } ) |

-# put line breaks around string literals

-sed 's/\("\(\\.\|[^"]\)*"\)/\n\1\n/g' |

-# put line breaks around character literals

-sed 's/\('"'"'\(\\.\|.\)*'"'"'\)/\n\1\n/g' |

-# in every line that isn't a string literal or '#include' line,

-# put line breaks around identifiers

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

-# rename identifiers to be shorter

-"$sh" rename.sh |

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

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

-sed '/^[^"'"'"']/s/[\t ]\+/\t/g' |

-tr '\n' '\t' |

-# replace tabs between alphanumeric characters with a single space

-# note: there are no tabs inside string literals

-sed 's/\([a-z0-9_]\)\t\+\([a-z0-9_]\)/\1 \2/gi' |

-# remove all tab characters

-tr -d '\t' |

-# put line breaks back around '#include' lines again

-# (also remove whitespace betwen '#include' and '<')

-# note: there is no white space within include file names

-sed 's/#include<[^>]*>/\n\0\n/g' |

-# remove all empty lines

-sed '/^$/d' |

-# remove duplicate lines (for '#include')

-awk '!x[$0]++' |

-# store the result into a file

-tee moonfish.c |

-# and also compress it

-xz -e9qFraw > moonfish.c.xz

-# finally, make it into an executable program

-cat - moonfish.c.xz > moonfish.sh << END

-#!/bin/sh

-t=\`mktemp\`

-tail -n+5 "\$0"|unxz -Fraw|${CC:-cc} -O3 -o \$t -xc - -pthread

-(sleep 3;rm \$t)&exec \$t

-END

-chmod +x moonfish.sh

--- a/moonfish.h

+++ b/moonfish.h

@@ -116,8 +116,6 @@

 	unsigned char from, to;

};

-#ifndef moonfish_mini

 /* the PST */

 extern moonfish_t moonfish_values[];

@@ -201,7 +199,5 @@

 /* note: 0 means false */

 int moonfish_checkmate(struct moonfish_chess *chess);

 int moonfish_stalemate(struct moonfish_chess *chess);

-#endif

 #endif

--- a/rename.sh

+++ /dev/null

@@ -1,51 +1,0 @@

-#!/usr/bin/env bash

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

-# copyright 2023, 2024 zamfofex

-set -e

-alphabet=({a..z} {a..z}{a..z} {a..z}{a..z}{a..z})

-alphabet2=("${alphabet[@]}")

-declare -A names

-functions="main fopen fread printf fprintf sscanf fgets fflush stdin stdout stderr strcmp strncmp strcpy strtok strstr strchr malloc realloc free exit errno clock_gettime timespec tv_sec tv_nsec pthread_create pthread_join pthread_t typedef moonfish_type_t"

-keywords="do while for if else switch case break continue return extern static struct enum unsigned signed long short int char void sizeof $functions"

-while read -r name

-do

-	if ! [[ "$name" =~ ^[a-z] ]]

-	then

-		echo "$name"

-		continue

-	fi

-	if [[ " $keywords " =~ " $name " ]]

-	then

-		echo "$name"

-		continue

-	fi

-	short="${names["$name"]}"

-	if [[ "$short" = "" ]]

-	then

-		if [[ "$name" =~ ^moonfish ]]

-		then

-			short="F${alphabet[0]}"

-			alphabet=("${alphabet[@]:1}")

-		else

-			while :

-			do

-				short="${alphabet2[0]}"

-				alphabet2=("${alphabet2[@]:1}")

-				if ! [[ " $keywords " =~ " $short " ]]

-				then break

-				fi

-			done

-		fi

-		names["$name"]="$short"

-	fi

-	echo "$short"

-done

--- a/search.c

+++ b/search.c

@@ -81,15 +81,11 @@

 	struct timespec ts;

-#ifdef moonfish_mini

-	clock_gettime(CLOCK_MONOTONIC, &ts);

-#else

 	if (clock_gettime(CLOCK_MONOTONIC, &ts))

 		perror(NULL);

 		exit(1);

-#endif

 	return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;

@@ -187,7 +183,6 @@

 static void moonfish_iteration(struct moonfish_analysis *analysis, struct moonfish_move *best_move)

-	int result;

 	int x, y;

 	struct moonfish_move moves[32];

 	int i, j, count;

@@ -227,14 +222,11 @@

 			analysis->threads[j].analysis = analysis;

 			analysis->threads[j].move = moves[i];

-			result = thrd_create(&analysis->threads[j].thread, &moonfish_start_search, analysis->threads + j);

-#ifndef moonfish_mini

-			if (result != thrd_success)

+			if (thrd_create(&analysis->threads[j].thread, &moonfish_start_search, analysis->threads + j) != thrd_success)

 				fprintf(stderr, "error creating thread\n");

 				exit(1);

-#endif

 			j++;

@@ -244,14 +236,11 @@

 	for (i = 0 ; i < j ; i++)

-		result = thrd_join(analysis->threads[i].thread, NULL);

-#ifndef moonfish_mini

-		if (result != thrd_success)

+		if (thrd_join(analysis->threads[i].thread, NULL) != thrd_success)

 			fprintf(stderr, "error joining thread\n");

 			exit(1);

-#endif

 		if (analysis->threads[i].score > analysis->score)

@@ -261,8 +250,6 @@

-#ifndef moonfish_mini

 int moonfish_best_move_depth(struct moonfish_chess *chess, struct moonfish_move *best_move, int depth)

 	static struct moonfish_analysis analysis;

@@ -273,8 +260,6 @@

 	moonfish_iteration(&analysis, best_move);

 	return analysis.score;

-#endif

 int moonfish_best_move_time(struct moonfish_chess *chess, struct moonfish_move *best_move, long int time)

--

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