From 8f4f87eabec13330a2b3a974975053c1e4632a11 Mon Sep 17 00:00:00 2001 From: scratko Date: Fri, 14 Jun 2024 15:15:41 +0300 Subject: Shell-V release Added pipeline. Formatting shell.c (created lexical_analysys.c). Error codes. Some functions of queue.c are created by preprocessor. --- lexical_analysis.h | 56 +++++++----------------------------------------------- 1 file changed, 7 insertions(+), 49 deletions(-) (limited to 'lexical_analysis.h') diff --git a/lexical_analysis.h b/lexical_analysis.h index e0f791a..3266ad7 100644 --- a/lexical_analysis.h +++ b/lexical_analysis.h @@ -1,54 +1,7 @@ #ifndef LEXICAL_ANALYSIS_H_SENTRY #define LEXICAL_ANALYSIS_H_SENTRY -#include "queue.h" -#include "dynamic_array.h" - -#include -#include - -enum { - new_line = 10, - whitespace = ' ', - tab = 9, - backslash = '\\', - double_quotes = '"' -}; - -/* two-letter tokens */ -enum { - append = '>' + 1, - and = '&' + 1, - or = '|' + 1 -}; - -/* storing file names to redirect standard input/output streams */ -struct io_type { - char *input_stream; - char *output_stream; - char *output_stream_to_append; -}; - -struct param_type { - int is_word; - int escape_sequences; - unsigned int double_quotes_counter; - char stored_symbol; - int empty_word_flag; - int tokens; - int wrong_command; - struct io_type streams; - int last_execution_status; - int pipeline; -}; - - -int filename_waiting(struct param_type *params); -void add_filename(struct dynamic_array *tmp_word, struct param_type *params); -void add_word(struct w_queue *word_chain, struct dynamic_array *tmp_word, - struct param_type *params); -int is_stream_redirection_set(const struct param_type *params); -char** create_cmdline(const struct w_queue *word_chain, int word_counter); +#include "shell.h" int is_double_quotes_pair(struct param_type params); int escape_double_quotes_or_backslash(int ch, struct param_type params); @@ -60,19 +13,23 @@ int start_escape_sequence(int ch, struct param_type params); int is_empty_word(int ch, struct param_type params); int command_execution_condition(struct param_type *params); -int is_special_token(int ch); +int is_special_token(int ch, int next_ch); int is_redirect_token(int ch, int next_ch); int excessive_words(int ch, struct param_type *params); + void add_word_or_filename(struct w_queue *word_chain, struct dynamic_array *tmp_word, struct param_type *params); + int validate_redirections(int ch, int next_ch, struct param_type *params); int is_double_token(struct param_type *params); int stream_redirect_tokens(struct w_queue *word_chain, struct dynamic_array *tmp_word, int ch, struct param_type *params); + int double_quotes_again(int ch, struct param_type params); + int pipeline_token_processing(struct w_queue *word_chain, struct c_queue *cmdlines, struct dynamic_array *tmp_word, @@ -81,4 +38,5 @@ int pipeline_token_processing(struct w_queue *word_chain, int special_tokens(struct w_queue *word_chain, struct c_queue *cmdlines, struct dynamic_array *tmp_word, int ch, struct param_type *params); + #endif -- cgit v1.2.3