Rename compiler -> pattern

Makefile

@@ -9,7 +9,7 @@ G=
 O=-O3
 ALL_FLAGS=$(CFLAGS) -DBP_NAME="\"$(NAME)\"" $(EXTRA) $(CWARN) $(G) $(O)
 
-CFILES=compiler.c grammar.c utils.c match.c files.c print.c json.c
+CFILES=pattern.c grammar.c utils.c match.c files.c print.c json.c
 OBJFILES=$(CFILES:.c=.o)
 
 all: $(NAME)

bp.c

@@ -12,7 +12,7 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "compiler.h"
+#include "pattern.h"
 #include "files.h"
 #include "grammar.h"
 #include "json.h"

grammar.c

@@ -5,7 +5,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "compiler.h"
+#include "pattern.h"
 #include "files.h"
 #include "grammar.h"
 #include "utils.h"

pattern.c

@@ -1,5 +1,5 @@
 //
-// compiler.c - Compile strings into BP virtual machine code.
+// pattern.c - Compile strings into BP pattern objects that can be matched against.
 //
 
 #include <ctype.h>
@@ -7,7 +7,7 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "compiler.h"
+#include "pattern.h"
 #include "utils.h"
 
 #define file_err(f, ...) do { fprint_line(stderr, f, __VA_ARGS__); exit(1); } while(0)

pattern.h

@@ -1,8 +1,8 @@
 //
-// compiler.h - Header file for BP compiler.
+// pattern.h - Header file for BP pattern compilation.
 //
-#ifndef COMPILER__H
-#define COMPILER__H
+#ifndef PATTERN__H
+#define PATTERN__H
 
 #include "files.h"
 #include "types.h"