adjust parsing for the lex redesign

1 files changed, 13 insertions, 19 deletions

diff --git a/parse.c b/parse.c
index 7f11022..2cf74c6 100644
--- a/parse.c
+++ b/parse.c
@@ -5,40 +5,34 @@
 #include "parse.h"
 
 
-typedef struct {
-    TokenVec vec;
-    size_t pos;
-} TokStream;
-
-
-Connector parse_connector(TokStream* toks) {
-    Token tok = *get_from_TokenVec(&toks->vec, toks->pos);
+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: 
-            toks->pos++;
+            (*tok_pos)++;
             return CONN_PIPE;
         case EOL: 
-            toks->pos++;
+            (*tok_pos)++;
             return CONN_EOL;
         default: exit(76);
     }
 }
 
 
-Command parse_command(TokStream* toks) {
+Command parse_command(Token* toks, size_t* tok_pos) {
     TokenVec args = make_TokenVec(256);
     RedirectVec redirects = make_RedirectVec(256);
     while (true) {
-        Token curr_tok = *get_from_TokenVec(&toks->vec, toks->pos);
+        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: 
-                toks->pos++;
-                Token name_tok = *get_from_TokenVec(&toks->vec, toks->pos);
+                (*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);
@@ -59,18 +53,18 @@ Command parse_command(TokStream* toks) {
             default: 
                 push_to_TokenVec(&args, curr_tok);
         }
-        toks->pos++;
+        (*tok_pos)++;
     }
     return (Command){.args = args, .redirects = redirects};
 }
 
 
-Pipeline parse_tokstream(TokenVec tok_vec) {
-    TokStream tokstream = {.vec = tok_vec, .pos = 0};
+Pipeline parse_tokstream(Token* toks) {
+    size_t tok_pos = 0;
     Pipeline result = make_Pipeline(256);
     while (true) {
-        Command cmd = parse_command(&tokstream);
-        Connector conn = parse_connector(&tokstream);
+        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;
     }