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authorÁkos Kőrösi <korakos99@gmail.com>2026-05-18 12:17:22 +0200
committerÁkos Kőrösi <korakos99@gmail.com>2026-05-18 12:17:22 +0200
commitc95d6b05559457a4abb693f3fc2e3d5eb54ab05b (patch)
tree4bb98d9a73e98534ce957c2db370189c6140cf27 /parse.c
parent0916bce4d23c59e3d12df3b216fad62b60e4f155 (diff)
coalesce the preproc files
Diffstat (limited to 'parse.c')
-rw-r--r--parse.c72
1 files changed, 0 insertions, 72 deletions
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 <stdlib.h>
-#include <stdio.h>
-
-#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;
-}