Added mpc header file
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2 changed files with 4033 additions and 0 deletions
377
mpc.h
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377
mpc.h
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/*
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** mpc - Micro Parser Combinator library for C
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**
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** https://github.com/orangeduck/mpc
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**
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** Daniel Holden - contact@daniel-holden.com
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** Licensed under BSD3
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*/
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#ifndef mpc_h
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#define mpc_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <math.h>
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#include <errno.h>
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#include <ctype.h>
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/*
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** State Type
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*/
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typedef struct {
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long pos;
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long row;
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long col;
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} mpc_state_t;
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/*
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** Error Type
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*/
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typedef struct {
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mpc_state_t state;
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int expected_num;
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char *filename;
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char *failure;
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char **expected;
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char recieved;
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} mpc_err_t;
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void mpc_err_delete(mpc_err_t *e);
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char *mpc_err_string(mpc_err_t *e);
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void mpc_err_print(mpc_err_t *e);
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void mpc_err_print_to(mpc_err_t *e, FILE *f);
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/*
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** Parsing
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*/
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typedef void mpc_val_t;
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typedef union {
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mpc_err_t *error;
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mpc_val_t *output;
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} mpc_result_t;
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struct mpc_parser_t;
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typedef struct mpc_parser_t mpc_parser_t;
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int mpc_parse(const char *filename, const char *string, mpc_parser_t *p, mpc_result_t *r);
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int mpc_nparse(const char *filename, const char *string, size_t length, mpc_parser_t *p, mpc_result_t *r);
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int mpc_parse_file(const char *filename, FILE *file, mpc_parser_t *p, mpc_result_t *r);
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int mpc_parse_pipe(const char *filename, FILE *pipe, mpc_parser_t *p, mpc_result_t *r);
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int mpc_parse_contents(const char *filename, mpc_parser_t *p, mpc_result_t *r);
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/*
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** Function Types
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*/
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typedef void(*mpc_dtor_t)(mpc_val_t*);
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typedef mpc_val_t*(*mpc_ctor_t)(void);
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typedef mpc_val_t*(*mpc_apply_t)(mpc_val_t*);
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typedef mpc_val_t*(*mpc_apply_to_t)(mpc_val_t*,void*);
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typedef mpc_val_t*(*mpc_fold_t)(int,mpc_val_t**);
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typedef int(*mpc_check_t)(mpc_val_t**);
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typedef int(*mpc_check_with_t)(mpc_val_t**,void*);
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/*
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** Building a Parser
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*/
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mpc_parser_t *mpc_new(const char *name);
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mpc_parser_t *mpc_copy(mpc_parser_t *a);
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mpc_parser_t *mpc_define(mpc_parser_t *p, mpc_parser_t *a);
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mpc_parser_t *mpc_undefine(mpc_parser_t *p);
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void mpc_delete(mpc_parser_t *p);
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void mpc_cleanup(int n, ...);
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/*
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** Basic Parsers
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*/
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mpc_parser_t *mpc_any(void);
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mpc_parser_t *mpc_char(char c);
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mpc_parser_t *mpc_range(char s, char e);
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mpc_parser_t *mpc_oneof(const char *s);
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mpc_parser_t *mpc_noneof(const char *s);
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mpc_parser_t *mpc_satisfy(int(*f)(char));
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mpc_parser_t *mpc_string(const char *s);
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/*
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** Other Parsers
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*/
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mpc_parser_t *mpc_pass(void);
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mpc_parser_t *mpc_fail(const char *m);
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mpc_parser_t *mpc_failf(const char *fmt, ...);
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mpc_parser_t *mpc_lift(mpc_ctor_t f);
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mpc_parser_t *mpc_lift_val(mpc_val_t *x);
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mpc_parser_t *mpc_anchor(int(*f)(char,char));
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mpc_parser_t *mpc_state(void);
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/*
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** Combinator Parsers
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*/
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mpc_parser_t *mpc_expect(mpc_parser_t *a, const char *e);
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mpc_parser_t *mpc_expectf(mpc_parser_t *a, const char *fmt, ...);
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mpc_parser_t *mpc_apply(mpc_parser_t *a, mpc_apply_t f);
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mpc_parser_t *mpc_apply_to(mpc_parser_t *a, mpc_apply_to_t f, void *x);
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mpc_parser_t *mpc_check(mpc_parser_t *a, mpc_check_t f, const char *e);
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mpc_parser_t *mpc_check_with(mpc_parser_t *a, mpc_check_with_t f, void *x, const char *e);
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mpc_parser_t *mpc_checkf(mpc_parser_t *a, mpc_check_t f, const char *fmt, ...);
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mpc_parser_t *mpc_check_withf(mpc_parser_t *a, mpc_check_with_t f, void *x, const char *fmt, ...);
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mpc_parser_t *mpc_not(mpc_parser_t *a, mpc_dtor_t da);
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mpc_parser_t *mpc_not_lift(mpc_parser_t *a, mpc_dtor_t da, mpc_ctor_t lf);
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mpc_parser_t *mpc_maybe(mpc_parser_t *a);
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mpc_parser_t *mpc_maybe_lift(mpc_parser_t *a, mpc_ctor_t lf);
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mpc_parser_t *mpc_many(mpc_fold_t f, mpc_parser_t *a);
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mpc_parser_t *mpc_many1(mpc_fold_t f, mpc_parser_t *a);
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mpc_parser_t *mpc_count(int n, mpc_fold_t f, mpc_parser_t *a, mpc_dtor_t da);
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mpc_parser_t *mpc_or(int n, ...);
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mpc_parser_t *mpc_and(int n, mpc_fold_t f, ...);
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mpc_parser_t *mpc_predictive(mpc_parser_t *a);
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/*
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** Common Parsers
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*/
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mpc_parser_t *mpc_eoi(void);
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mpc_parser_t *mpc_soi(void);
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mpc_parser_t *mpc_boundary(void);
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mpc_parser_t *mpc_whitespace(void);
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mpc_parser_t *mpc_whitespaces(void);
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mpc_parser_t *mpc_blank(void);
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mpc_parser_t *mpc_newline(void);
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mpc_parser_t *mpc_tab(void);
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mpc_parser_t *mpc_escape(void);
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mpc_parser_t *mpc_digit(void);
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mpc_parser_t *mpc_hexdigit(void);
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mpc_parser_t *mpc_octdigit(void);
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mpc_parser_t *mpc_digits(void);
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mpc_parser_t *mpc_hexdigits(void);
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mpc_parser_t *mpc_octdigits(void);
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mpc_parser_t *mpc_lower(void);
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mpc_parser_t *mpc_upper(void);
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mpc_parser_t *mpc_alpha(void);
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mpc_parser_t *mpc_underscore(void);
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mpc_parser_t *mpc_alphanum(void);
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mpc_parser_t *mpc_int(void);
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mpc_parser_t *mpc_hex(void);
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mpc_parser_t *mpc_oct(void);
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mpc_parser_t *mpc_number(void);
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mpc_parser_t *mpc_real(void);
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mpc_parser_t *mpc_float(void);
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mpc_parser_t *mpc_char_lit(void);
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mpc_parser_t *mpc_string_lit(void);
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mpc_parser_t *mpc_regex_lit(void);
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mpc_parser_t *mpc_ident(void);
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/*
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** Useful Parsers
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*/
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mpc_parser_t *mpc_startwith(mpc_parser_t *a);
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mpc_parser_t *mpc_endwith(mpc_parser_t *a, mpc_dtor_t da);
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mpc_parser_t *mpc_whole(mpc_parser_t *a, mpc_dtor_t da);
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mpc_parser_t *mpc_stripl(mpc_parser_t *a);
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mpc_parser_t *mpc_stripr(mpc_parser_t *a);
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mpc_parser_t *mpc_strip(mpc_parser_t *a);
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mpc_parser_t *mpc_tok(mpc_parser_t *a);
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mpc_parser_t *mpc_sym(const char *s);
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mpc_parser_t *mpc_total(mpc_parser_t *a, mpc_dtor_t da);
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mpc_parser_t *mpc_between(mpc_parser_t *a, mpc_dtor_t ad, const char *o, const char *c);
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mpc_parser_t *mpc_parens(mpc_parser_t *a, mpc_dtor_t ad);
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mpc_parser_t *mpc_braces(mpc_parser_t *a, mpc_dtor_t ad);
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mpc_parser_t *mpc_brackets(mpc_parser_t *a, mpc_dtor_t ad);
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mpc_parser_t *mpc_squares(mpc_parser_t *a, mpc_dtor_t ad);
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mpc_parser_t *mpc_tok_between(mpc_parser_t *a, mpc_dtor_t ad, const char *o, const char *c);
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mpc_parser_t *mpc_tok_parens(mpc_parser_t *a, mpc_dtor_t ad);
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mpc_parser_t *mpc_tok_braces(mpc_parser_t *a, mpc_dtor_t ad);
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mpc_parser_t *mpc_tok_brackets(mpc_parser_t *a, mpc_dtor_t ad);
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mpc_parser_t *mpc_tok_squares(mpc_parser_t *a, mpc_dtor_t ad);
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/*
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** Common Function Parameters
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*/
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void mpcf_dtor_null(mpc_val_t *x);
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mpc_val_t *mpcf_ctor_null(void);
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mpc_val_t *mpcf_ctor_str(void);
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mpc_val_t *mpcf_free(mpc_val_t *x);
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mpc_val_t *mpcf_int(mpc_val_t *x);
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mpc_val_t *mpcf_hex(mpc_val_t *x);
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mpc_val_t *mpcf_oct(mpc_val_t *x);
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mpc_val_t *mpcf_float(mpc_val_t *x);
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mpc_val_t *mpcf_strtriml(mpc_val_t *x);
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mpc_val_t *mpcf_strtrimr(mpc_val_t *x);
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mpc_val_t *mpcf_strtrim(mpc_val_t *x);
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mpc_val_t *mpcf_escape(mpc_val_t *x);
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mpc_val_t *mpcf_escape_regex(mpc_val_t *x);
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mpc_val_t *mpcf_escape_string_raw(mpc_val_t *x);
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mpc_val_t *mpcf_escape_char_raw(mpc_val_t *x);
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mpc_val_t *mpcf_unescape(mpc_val_t *x);
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mpc_val_t *mpcf_unescape_regex(mpc_val_t *x);
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mpc_val_t *mpcf_unescape_string_raw(mpc_val_t *x);
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mpc_val_t *mpcf_unescape_char_raw(mpc_val_t *x);
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mpc_val_t *mpcf_null(int n, mpc_val_t** xs);
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mpc_val_t *mpcf_fst(int n, mpc_val_t** xs);
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mpc_val_t *mpcf_snd(int n, mpc_val_t** xs);
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mpc_val_t *mpcf_trd(int n, mpc_val_t** xs);
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mpc_val_t *mpcf_fst_free(int n, mpc_val_t** xs);
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mpc_val_t *mpcf_snd_free(int n, mpc_val_t** xs);
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mpc_val_t *mpcf_trd_free(int n, mpc_val_t** xs);
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mpc_val_t *mpcf_strfold(int n, mpc_val_t** xs);
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mpc_val_t *mpcf_maths(int n, mpc_val_t** xs);
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/*
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** Regular Expression Parsers
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*/
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mpc_parser_t *mpc_re(const char *re);
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/*
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** AST
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*/
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typedef struct mpc_ast_t {
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char *tag;
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char *contents;
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mpc_state_t state;
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int children_num;
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struct mpc_ast_t** children;
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} mpc_ast_t;
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mpc_ast_t *mpc_ast_new(const char *tag, const char *contents);
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mpc_ast_t *mpc_ast_build(int n, const char *tag, ...);
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mpc_ast_t *mpc_ast_add_root(mpc_ast_t *a);
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mpc_ast_t *mpc_ast_add_child(mpc_ast_t *r, mpc_ast_t *a);
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mpc_ast_t *mpc_ast_add_tag(mpc_ast_t *a, const char *t);
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mpc_ast_t *mpc_ast_add_root_tag(mpc_ast_t *a, const char *t);
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mpc_ast_t *mpc_ast_tag(mpc_ast_t *a, const char *t);
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mpc_ast_t *mpc_ast_state(mpc_ast_t *a, mpc_state_t s);
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void mpc_ast_delete(mpc_ast_t *a);
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void mpc_ast_print(mpc_ast_t *a);
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void mpc_ast_print_to(mpc_ast_t *a, FILE *fp);
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int mpc_ast_get_index(mpc_ast_t *ast, const char *tag);
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int mpc_ast_get_index_lb(mpc_ast_t *ast, const char *tag, int lb);
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mpc_ast_t *mpc_ast_get_child(mpc_ast_t *ast, const char *tag);
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mpc_ast_t *mpc_ast_get_child_lb(mpc_ast_t *ast, const char *tag, int lb);
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typedef enum {
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mpc_ast_trav_order_pre,
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mpc_ast_trav_order_post
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} mpc_ast_trav_order_t;
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typedef struct mpc_ast_trav_t {
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mpc_ast_t *curr_node;
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struct mpc_ast_trav_t *parent;
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int curr_child;
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mpc_ast_trav_order_t order;
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} mpc_ast_trav_t;
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mpc_ast_trav_t *mpc_ast_traverse_start(mpc_ast_t *ast,
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mpc_ast_trav_order_t order);
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mpc_ast_t *mpc_ast_traverse_next(mpc_ast_trav_t **trav);
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void mpc_ast_traverse_free(mpc_ast_trav_t **trav);
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/*
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** Warning: This function currently doesn't test for equality of the `state` member!
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*/
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int mpc_ast_eq(mpc_ast_t *a, mpc_ast_t *b);
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mpc_val_t *mpcf_fold_ast(int n, mpc_val_t **as);
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mpc_val_t *mpcf_str_ast(mpc_val_t *c);
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mpc_val_t *mpcf_state_ast(int n, mpc_val_t **xs);
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mpc_parser_t *mpca_tag(mpc_parser_t *a, const char *t);
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mpc_parser_t *mpca_add_tag(mpc_parser_t *a, const char *t);
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mpc_parser_t *mpca_root(mpc_parser_t *a);
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mpc_parser_t *mpca_state(mpc_parser_t *a);
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mpc_parser_t *mpca_total(mpc_parser_t *a);
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mpc_parser_t *mpca_not(mpc_parser_t *a);
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mpc_parser_t *mpca_maybe(mpc_parser_t *a);
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mpc_parser_t *mpca_many(mpc_parser_t *a);
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mpc_parser_t *mpca_many1(mpc_parser_t *a);
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mpc_parser_t *mpca_count(int n, mpc_parser_t *a);
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mpc_parser_t *mpca_or(int n, ...);
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mpc_parser_t *mpca_and(int n, ...);
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enum {
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MPCA_LANG_DEFAULT = 0,
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MPCA_LANG_PREDICTIVE = 1,
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MPCA_LANG_WHITESPACE_SENSITIVE = 2
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};
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mpc_parser_t *mpca_grammar(int flags, const char *grammar, ...);
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mpc_err_t *mpca_lang(int flags, const char *language, ...);
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mpc_err_t *mpca_lang_file(int flags, FILE *f, ...);
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mpc_err_t *mpca_lang_pipe(int flags, FILE *f, ...);
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mpc_err_t *mpca_lang_contents(int flags, const char *filename, ...);
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/*
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** Misc
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*/
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void mpc_print(mpc_parser_t *p);
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void mpc_optimise(mpc_parser_t *p);
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void mpc_stats(mpc_parser_t *p);
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int mpc_test_pass(mpc_parser_t *p, const char *s, const void *d,
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int(*tester)(const void*, const void*),
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mpc_dtor_t destructor,
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void(*printer)(const void*));
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int mpc_test_fail(mpc_parser_t *p, const char *s, const void *d,
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int(*tester)(const void*, const void*),
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mpc_dtor_t destructor,
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void(*printer)(const void*));
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#ifdef __cplusplus
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}
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#endif
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#endif
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