parse.c File Reference

Parse functions for the YASH shell. More...

#include "../include/parse.h"
#include "../include/debug.h"
#include "../include/yash.h"
#include <stdio.h>
#include <string.h>

Functions
void	init_command (Command *cmd)
	Initialize a Command structure to NULL/0 values.
int	parse_line (char *line, Line *line_out)
	Parse a line of input and store the result in line_out.
int	tokenize_line (char *line, char *tokens[], int *num_tokens)
	Tokenize a line of input and store the result in tokens.

Detailed Description

Parse functions for the YASH shell.

Author

Nathan Lemma

Date

09-16-2025

This file contains the parse functions for the YASH shell.

Function Documentation

init_command()

void init_command

(

Command *

cmd

)

Initialize a Command structure to NULL/0 values.

Parameters

cmd	Pointer to Command structure to initialize

parse_line()

int parse_line	(	char *	line,
		Line *	line_out )

Parse a line of input and store the result in line_out.

Parameters

line	Assume the string is properly null-terminated, no newline characters and no more than 2000 characters (i.e. no more than MAX_CMDLINE - 1 characters)
line_out

Returns

0 on success, -1 on invalid

tokenize_line()

int tokenize_line	(	char *	line,
		char *	tokens[],
		int *	num_tokens )

Tokenize a line of input and store the result in tokens.

Note

Caller must pass a mutable buffer (i.e. not a string literal)

Parameters

line	Assume the string is properly null-terminated, no newline characters and no more than 2000 characters (i.e. no more than MAX_CMDLINE - 1 characters)
tokens
num_tokens

Returns

0 on success, -1 on invalid