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author | scratko <m@scratko.xyz> | 2024-06-20 18:38:11 +0300 |
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committer | scratko <m@scratko.xyz> | 2024-06-23 23:25:46 +0300 |
commit | 74c6a747a58b38131534556ab95fa4dd4b514780 (patch) | |
tree | 68dae86f9ee994c2bc13681703a8c69e0e2b5f51 /lexical_analysis.c | |
parent | 8f4f87eabec13330a2b3a974975053c1e4632a11 (diff) | |
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Diffstat (limited to 'lexical_analysis.c')
-rw-r--r-- | lexical_analysis.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/lexical_analysis.c b/lexical_analysis.c index 4349a69..5db57cb 100644 --- a/lexical_analysis.c +++ b/lexical_analysis.c @@ -123,11 +123,13 @@ int is_redirect_token(int ch, int next_ch) */ int stream_redirect_tokens(struct w_queue *word_chain, struct dynamic_array *tmp_word, int ch, - struct param_type *params) + struct param_type *params, + struct readline_type *readline) { int next_ch; - next_ch = getchar(); - ungetc(next_ch, stdin); + + if(ch == '>') + next_ch = readline->arr[readline->considered_index + 1]; if(is_redirect_token(ch, next_ch)) { add_word_or_filename(word_chain, tmp_word, params); @@ -138,7 +140,7 @@ int stream_redirect_tokens(struct w_queue *word_chain, if(validate_redirections(ch, next_ch, params)) { params->tokens = (ch == '>' && next_ch == '>') ? append : ch; if(is_double_token(params)) - getchar(); + ++readline->considered_index; return 1; } else params->wrong_command = err_redirect_stream_again; @@ -178,7 +180,7 @@ int pipeline_token_processing(struct w_queue *word_chain, c_queue_push(cmdlines, cmdline); w_queue_clear(word_chain); - dynarr_drop_word(tmp_word); + dynarr_reset_array(tmp_word); return 1; } @@ -187,11 +189,12 @@ 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) + struct param_type *params, struct readline_type *readline) { - int next_ch; - next_ch = getchar(); - ungetc(next_ch, stdin); + int next_ch, i; + + if(ch == '|' || ch == '&') + next_ch = readline->arr[readline->considered_index + 1]; if(is_special_token(ch, next_ch)) { add_word_or_filename(word_chain, tmp_word, params); @@ -208,8 +211,9 @@ int special_tokens(struct w_queue *word_chain, struct c_queue *cmdlines, } else if(ch == '&' && next_ch == '&') params->tokens = and; else if(ch == '&') { - while((ch = getchar()) != new_line) { - if(ch != whitespace && ch != tab) { + for(i = readline->considered_index+1; readline->arr[i] != new_line; + ++i) { + if(readline->arr[i] != whitespace && readline->arr[i] != tab) { params->wrong_command = err_bg_process; return 0; } @@ -217,7 +221,7 @@ int special_tokens(struct w_queue *word_chain, struct c_queue *cmdlines, params->tokens = '&'; } if(is_double_token(params)) - getchar(); + ++readline->considered_index; return 1; } return 0; |