From 2a11acc66738d6300bfa90a22adcd540371060f3 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Fri, 11 Sep 2020 01:28:06 -0700
Subject: Major overhaul refactor restructuring

---
 bpeg.h | 112 -----------------------------------------------------------------
 1 file changed, 112 deletions(-)
 delete mode 100644 bpeg.h

(limited to 'bpeg.h')

diff --git a/bpeg.h b/bpeg.h
deleted file mode 100644
index 459bd65..0000000
--- a/bpeg.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * bpeg.h - Header file for the bpeg parser
- */
-#include <ctype.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "utils.h"
-
-const char *usage = (
-    "Usage:\n"
-    "  bpeg [flags] <pattern> [<input files>...]\n\n"
-    "Flags:\n"
-    "  -h --help\t print the usage and quit\n"
-    "  -v --verbose\t print verbose debugging info\n"
-    "  -s --slow\t run in slow mode for debugging\n"
-    "  -r --replace <replacement>   replace the input pattern with the given replacement\n"
-    "  -g --grammar <grammar file>  use the specified file as a grammar\n");
-
-/*
- * BPEG virtual machine opcodes
- */
-enum VMOpcode {
-    VM_EMPTY = 0,
-    VM_ANYCHAR = 1,
-    VM_ANYTHING_BUT,
-    VM_STRING,
-    VM_RANGE,
-    VM_NOT,
-    VM_UPTO_AND,
-    VM_REPEAT,
-    VM_BEFORE,
-    VM_AFTER,
-    VM_CAPTURE,
-    VM_OTHERWISE,
-    VM_CHAIN,
-    VM_REPLACE,
-    VM_REF,
-};
-
-/*
- * A struct reperesenting a BPEG virtual machine operation
- */
-typedef struct vm_op_s {
-    enum VMOpcode op;
-    unsigned int multiline:1;
-    const char *start, *end;
-    // Length of the match, if constant, otherwise -1
-    ssize_t len;
-    union {
-        const char *s;
-        struct {
-            char low, high;
-        } range;
-        struct {
-            ssize_t min, max;
-            struct vm_op_s *sep, *repeat_pat;
-        } repetitions;
-        // TODO: use a linked list instead of a binary tree
-        struct {
-            struct vm_op_s *first, *second;
-        } multiple;
-        struct {
-            struct vm_op_s *replace_pat;
-            const char *replacement;
-        } replace;
-        struct {
-            struct vm_op_s *capture_pat;
-            char *name;
-        } capture;
-        struct vm_op_s *pat;
-    } args;
-} vm_op_t;
-
-/*
- * Pattern matching result object
- */
-typedef struct match_s {
-    // Where the match starts and ends (end is after the last character)
-    const char *start, *end;
-    unsigned int is_capture:1, is_replacement:1, is_ref:1;
-    const char *name_or_replacement;
-    struct match_s *child, *nextsibling;
-    vm_op_t *op;
-} match_t;
-
-static inline const char *after_spaces(const char *str);
-static match_t *free_match(match_t *m);
-static match_t *match(const char *str, vm_op_t *op);
-static vm_op_t *compile_bpeg(const char *source, const char *str);
-static vm_op_t *load_grammar(const char *grammar);
-static vm_op_t *add_def(const char *name, const char *source, vm_op_t *op);
-static vm_op_t *load_def(const char *name, const char *source);
-static vm_op_t *chain_together(vm_op_t *first, vm_op_t *second);
-static vm_op_t *compile_bpeg_string(const char *source, const char *str);
-static vm_op_t *expand_chain(const char *source, vm_op_t *first);
-static vm_op_t *expand_choices(const char *source, vm_op_t *op);
-static void print_match(match_t *m, const char *color);
-static void set_range(vm_op_t *op, ssize_t min, ssize_t max, vm_op_t *pat, vm_op_t *sep);
-
-
-typedef struct {
-    const char *name;
-    const char *source;
-    vm_op_t *op;
-} def_t;
-
-static def_t defs[1024] = {{NULL, NULL, NULL}};
-size_t ndefs = 0;
-- 
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