Add day 19

5 files changed, 196 insertions, 0 deletions

diff --git a/19/b/Makefile b/19/b/Makefile
new file mode 100644
index 0000000..9d6a59c
--- /dev/null
+++ b/19/b/Makefile
@@ -0,0 +1,23 @@
+main: main.o mixins.o lex.yy.o grammar.tab.o
+	gcc -o main main.o mixins.o lex.yy.o grammar.tab.o
+
+grammar.tab.h grammar.tab.c: grammar.y
+	bison -d grammar.y
+
+lex.yy.c: grammar.tab.h
+	flex grammar.l
+
+grammar.tab.o: grammar.tab.c
+	gcc -c -o grammar.tab.o grammar.tab.c
+
+lex.yy.o: lex.yy.c
+	gcc -c -o lex.yy.o lex.yy.c
+
+main.o: grammar.tab.h main.c
+	gcc -c -o main.o main.c
+
+mixins.o: mixins.c
+	gcc -c -o mixins.o mixins.c
+
+clean:
+	rm -rf *.o lex.yy.c grammar.tab.h grammar.tab.c main
diff --git a/19/b/grammar.l b/19/b/grammar.l
new file mode 100644
index 0000000..6237a66
--- /dev/null
+++ b/19/b/grammar.l
@@ -0,0 +1,11 @@
+%{
+#include "grammar.tab.h"
+%}
+
+%%
+
+a return A;
+b return B;
+\n return EOL;
+
+%%
diff --git a/19/b/grammar.y b/19/b/grammar.y
new file mode 100644
index 0000000..c347751
--- /dev/null
+++ b/19/b/grammar.y
@@ -0,0 +1,146 @@
+%{
+%}
+
+%token A
+%token B
+%token EOL
+
+%glr-parser
+
+%%
+
+r0: r8 r11 EOL
+r1: r113 r125 | r68 r121
+r2: r117 r125 | r51 r121
+r3: r109 r121 | r12 r125
+r4: r96 r125 | r124 r121
+r5: r125 r74 | r121 r127
+r6: r48 r64
+r7: r125 r52 | r121 r131
+r8: r42 | r42 r8
+r9: r121 r124 | r125 r46
+r10: r125 r102 | r121 r88
+r11: r42 r31 | r42 r11 r31
+r12: r125 r51 | r121 r44
+r13: r70 r121 | r47 r125
+r14: r83 r125 | r130 r121
+r15: r104 r121 | r95 r125
+r16: r121 r99 | r125 r98
+r17: r48 r113
+r18: r125 r111 | r121 r66
+r19: r125 r90 | r121 r3
+r20: r35 r121 | r27 r125
+r21: r125 r44 | r121 r96
+r22: r125 r125 | r48 r121
+r23: r121 r84
+r24: r125 r78 | r121 r5
+r25: r121 r56 | r125 r44
+r26: r121 r77 | r125 r129
+r27: r44 r121 | r127 r125
+r28: r124 r121 | r74 r125
+r29: r56 r121
+r30: r125 r116
+r31: r121 r120 | r125 r126
+r32: r82 r121 | r29 r125
+r33: r74 r125 | r68 r121
+r34: r50 r121 | r105 r125
+r35: r121 r85 | r125 r56
+r36: r125 r19 | r121 r43
+r37: r68 r121 | r56 r125
+r38: r24 r125 | r7 r121
+r39: r46 r121 | r44 r125
+r40: r125 r92 | r121 r6
+r41: r125 r113 | r121 r124
+r42: r125 r34 | r121 r103
+r43: r121 r49 | r125 r114
+r44: r125 r125 | r121 r125
+r45: r127 r125 | r74 r121
+r46: r121 r121 | r121 r125
+r47: r59 r125 | r69 r121
+r48: r121 | r125
+r49: r82 r121 | r21 r125
+r50: r125 r93 | r121 r14
+r51: r48 r125 | r125 r121
+r52: r121 r124
+r53: r121 r22 | r125 r127
+r54: r121 r125 | r125 r121
+r55: r118 r121 | r69 r125
+r56: r125 r125
+r57: r22 r121 | r51 r125
+r58: r121 r17 | r125 r77
+r59: r48 r127
+r60: r124 r121 | r54 r125
+r61: r46 r125 | r85 r121
+r62: r132 r125 | r75 r121
+r63: r121 r61 | r125 r53
+r64: r121 r117 | r125 r85
+r65: r125 r45 | r121 r25
+r66: r121 r68 | r125 r85
+r67: r121 r54 | r125 r22
+r68: r125 r125 | r125 r121
+r69: r22 r125 | r96 r121
+r70: r121 r87 | r125 r1
+r71: r122 r121 | r73 r125
+r72: r125 r9 | r121 r107
+r73: r125 r72 | r121 r18
+r74: r125 r125 | r121 r121
+r75: r121 r127 | r125 r117
+r76: r121 r13 | r125 r38
+r77: r96 r121 | r46 r125
+r78: r54 r121 | r74 r125
+r79: r46 r48
+r80: r91 r125 | r112 r121
+r81: r121 r46 | r125 r68
+r82: r48 r44
+r83: r125 r2 | r121 r81
+r84: r121 r46
+r85: r121 r125
+r86: r85 r125 | r54 r121
+r87: r121 r51 | r125 r96
+r88: r125 r94 | r121 r30
+r89: r86 r125 | r39 r121
+r90: r28 r121 | r41 r125
+r91: r108 r125 | r39 r121
+r92: r121 r41 | r125 r100
+r93: r121 r58 | r125 r16
+r94: r37 r125 | r61 r121
+r95: r32 r125 | r55 r121
+r96: r125 r121
+r97: r89 r125 | r62 r121
+r98: r56 r121 | r54 r125
+r99: r96 r125 | r96 r121
+r100: r96 r125 | r54 r121
+r101: r79 r121 | r35 r125
+r102: r23 r121 | r65 r125
+r103: r125 r15 | r121 r71
+r104: r20 r125 | r115 r121
+r105: r125 r80 | r121 r40
+r106: r127 r121 | r117 r125
+r107: r121 r113 | r125 r22
+r108: r74 r121 | r56 r125
+r109: r127 r48
+r110: r33 r125 | r60 r121
+r111: r48 r68
+r112: r9 r121 | r77 r125
+r113: r121 r121 | r125 r121
+r114: r121 r123 | r125 r67
+r115: r121 r4 | r125 r81
+r116: r125 r117 | r121 r54
+r117: r48 r48
+r118: r121 r127 | r125 r96
+r119: r97 r121 | r128 r125
+r120: r125 r76 | r121 r119
+r121: A
+r122: r63 r125 | r26 r121
+r123: r113 r121 | r68 r125
+r124: r121 r125 | r48 r121
+r125: B
+r126: r121 r10 | r125 r36
+r127: r125 r125 | r121 r48
+r128: r101 r121 | r110 r125
+r129: r125 r56 | r121 r56
+r130: r106 r121 | r57 r125
+r131: r68 r121 | r117 r125
+r132: r121 r68 | r125 r113
+
+%%
diff --git a/19/b/main.c b/19/b/main.c
new file mode 100644
index 0000000..dc10700
--- /dev/null
+++ b/19/b/main.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include "grammar.tab.h"
+
+int main() {
+    int result = 0;
+    int count = 0;
+    return yyparse();
+}
diff --git a/19/b/mixins.c b/19/b/mixins.c
new file mode 100644
index 0000000..9c2ae9e
--- /dev/null
+++ b/19/b/mixins.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int yyerror(char *s) {
+    printf("%s\n", s);
+}
+
+int yywrap() {
+}