From c95d6b05559457a4abb693f3fc2e3d5eb54ab05b Mon Sep 17 00:00:00 2001 From: Ákos Kőrösi Date: Mon, 18 May 2026 12:17:22 +0200 Subject: coalesce the preproc files --- parse.c | 72 ----------------------------------------------------------------- 1 file changed, 72 deletions(-) delete mode 100644 parse.c (limited to 'parse.c') diff --git a/parse.c b/parse.c deleted file mode 100644 index 2cf74c6..0000000 --- a/parse.c +++ /dev/null @@ -1,72 +0,0 @@ -#include -#include - -#include "lex.h" -#include "parse.h" - - -Connector parse_connector(Token* toks, size_t* tok_pos) { - Token tok = toks[*tok_pos]; - if (tok.kind != TOK_SPECIAL) exit(67); - switch (tok.as.spec) { - case PIPE: - (*tok_pos)++; - return CONN_PIPE; - case EOL: - (*tok_pos)++; - return CONN_EOL; - default: exit(76); - } -} - - -Command parse_command(Token* toks, size_t* tok_pos) { - TokenVec args = make_TokenVec(256); - RedirectVec redirects = make_RedirectVec(256); - while (true) { - Token curr_tok = toks[*tok_pos]; - if (curr_tok.kind == TOK_SPECIAL &&(curr_tok.as.spec == PIPE || curr_tok.as.spec == EOL)) { - break; - } - - switch (curr_tok.kind) { - case TOK_SPECIAL: - (*tok_pos)++; - Token name_tok = toks[*tok_pos]; - switch (curr_tok.as.spec) { - case WRITE_REDIR_TRUNC: - if(name_tok.kind != TOK_WORD) exit(1); - push_to_RedirectVec(&redirects, (Redirect){.kind = STDOUT_REDIR_TRUNC, .as.std_redir_filename = name_tok.as.word}); - break; - case WRITE_REDIR_APPEND: - if(name_tok.kind != TOK_WORD) exit(1); - push_to_RedirectVec(&redirects, (Redirect){.kind = STDOUT_REDIR_APPEND, .as.std_redir_filename = name_tok.as.word}); - break; - case READ_REDIR: - if(name_tok.kind != TOK_WORD) exit(1); - push_to_RedirectVec(&redirects, (Redirect){.kind = STDOUT_REDIR_APPEND, .as.std_redir_filename = name_tok.as.word}); - break; - default: - exit(69); - } - break; - default: - push_to_TokenVec(&args, curr_tok); - } - (*tok_pos)++; - } - return (Command){.args = args, .redirects = redirects}; -} - - -Pipeline parse_tokstream(Token* toks) { - size_t tok_pos = 0; - Pipeline result = make_Pipeline(256); - while (true) { - Command cmd = parse_command(toks, &tok_pos); - Connector conn = parse_connector(toks, &tok_pos); - push_to_Pipeline(&result, (PipelineElement){.cmd = cmd, .conn = conn}); - if (conn == CONN_EOL) break; - } - return result; -} -- cgit v1.2.3