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Flatrate
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quality of life printing improvements

This commit is contained in:
Peter McGoron 2024-06-23 00:39:25 -04:00
parent b897cc6d25
commit 41f05b9556
2 changed files with 19 additions and 8 deletions
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2
Makefile
View File

@ -6,7 +6,7 @@ LDFLAGS=-L${UNIVERSAL_SERVICE_DIR} -luniversalservice -L${UNIVERSAL_SERVICE_DIR}
flatrate: main.c
$(CC) main.c -o flatrate $(CFLAGS) $(LDFLAGS)
run: flatrate
LD_LIBRARY_PATH="$$(pwd)/${UNIVERSAL_SERVICE_DIR}/:$$(pwd)/${UNIVERSAL_SERVICE_DIR}/examples/string" ./flatrate < prelude.scm
cat prelude.scm - | LD_LIBRARY_PATH="$$(pwd)/${UNIVERSAL_SERVICE_DIR}/:$$(pwd)/${UNIVERSAL_SERVICE_DIR}/examples/string" ./flatrate
debug: flatrate
LD_LIBRARY_PATH="$$(pwd)/${UNIVERSAL_SERVICE_DIR}/:$$(pwd)/${UNIVERSAL_SERVICE_DIR}/examples/string" gdb -tui ./flatrate
valgrind: flatrate

25
main.c
View File

@ -240,7 +240,6 @@ static void tokenize(FILE *input, struct token *tok)
default:
if (c == '.') {
c2 = getc(input);
/* Flatrate does not have floating point. */
if (tonum(c2) >= 0) {
ungetc(c2, input);
tok_num(input, tok, c);
@ -765,12 +764,24 @@ static void display(struct uns_ctr *ctr)
tmp.p = gc.record_get_ptr(ctr->p, 1);
display(&tmp);
printf(" . ");
tmp.p = gc.record_get_ptr(ctr->p, 2);
display(&tmp);
printf(")");
switch (get_type(tmp.p)) {
case EMPTY_LIST:
printf(")");
goto remove;
case CELL:
printf(" ");
display(&tmp);
printf(")");
break;
default:
printf(" . ");
display(&tmp);
printf(")");
break;
}
remove:
uns_root_remove(&gc, &tmp);
return;
case INTEGER:
@ -790,7 +801,7 @@ static void display(struct uns_ctr *ctr)
case SYMBOL:
tmp.p = gc.record_get_ptr(ctr->p, 1);
uns_root_add(&gc, &tmp);
printf("'%s ", uns_string_cstring(&gc, &tmp));
printf("%s ", uns_string_cstring(&gc, &tmp));
uns_root_remove(&gc, &tmp);
return;
case EMPTY_LIST:
@ -867,7 +878,7 @@ int main(void)
case EXPR_PARSE_IMPROPER_LIST_OVERFLOW:
fprintf(stderr, "too many values at end of improper list (must be exactly one)\n");
case EXPR_PARSE_BAD_IMPROPER_LIST:
fprintf(stderr, "Bad syntax for improper list (must be (value . value))");
fprintf(stderr, "Bad syntax for improper list (must be (value . value))\n");
break;
case EXPR_PARSE_INTERNAL_ERROR:
fprintf(stderr, "Bug in implementation\n");