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-rw-r--r--miscutils/bc.c36
1 files changed, 15 insertions, 21 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 92bf1df57..8ddedf337 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -362,15 +362,13 @@ typedef enum BcResultType {
BC_RESULT_STR,
- BC_RESULT_IBASE,
- BC_RESULT_SCALE,
- BC_RESULT_LAST,
-
- // These are between to calculate ibase, obase, and last from instructions.
+ //code uses "inst - BC_INST_IBASE + BC_RESULT_IBASE" construct,
+ BC_RESULT_IBASE, // relative order should match for: BC_INST_IBASE
+ BC_RESULT_SCALE, // relative order should match for: BC_INST_SCALE
+ BC_RESULT_LAST, // relative order should match for: BC_INST_LAST
BC_RESULT_CONSTANT,
BC_RESULT_ONE,
-
- BC_RESULT_OBASE,
+ BC_RESULT_OBASE, // relative order should match for: BC_INST_OBASE
} BcResultType;
typedef union BcResultData {
@@ -485,12 +483,13 @@ typedef enum BcLexType {
BC_LEX_ASCIIFY,
BC_LEX_PRINT_STREAM,
- BC_LEX_STORE_IBASE,
- BC_LEX_STORE_SCALE,
+ // code uses "t - BC_LEX_STORE_IBASE + BC_INST_IBASE" construct,
+ BC_LEX_STORE_IBASE, // relative order should match for: BC_INST_IBASE
+ BC_LEX_STORE_SCALE, // relative order should match for: BC_INST_SCALE
BC_LEX_LOAD,
BC_LEX_LOAD_POP,
BC_LEX_STORE_PUSH,
- BC_LEX_STORE_OBASE,
+ BC_LEX_STORE_OBASE, // relative order should match for: BC_INST_OBASE
BC_LEX_PRINT_POP,
BC_LEX_NQUIT,
BC_LEX_SCALE_FACTOR,
@@ -641,7 +640,6 @@ dc_parse_insts[] = {
};
#endif // ENABLE_DC
-
typedef struct BcLex {
const char *buf;
size_t i;
@@ -655,13 +653,13 @@ typedef struct BcLex {
} t;
} BcLex;
-#define BC_PARSE_STREND ((char) UCHAR_MAX)
+#define BC_PARSE_STREND (0xff)
-#define BC_PARSE_REL (1 << 0)
-#define BC_PARSE_PRINT (1 << 1)
-#define BC_PARSE_NOCALL (1 << 2)
-#define BC_PARSE_NOREAD (1 << 3)
-#define BC_PARSE_ARRAY (1 << 4)
+#define BC_PARSE_REL (1 << 0)
+#define BC_PARSE_PRINT (1 << 1)
+#define BC_PARSE_NOCALL (1 << 2)
+#define BC_PARSE_NOREAD (1 << 3)
+#define BC_PARSE_ARRAY (1 << 4)
typedef struct BcParse {
BcLex l;
@@ -685,10 +683,6 @@ typedef struct BcProgram {
size_t ob_t;
BcNum ob;
-#if ENABLE_DC
- BcNum strmb;
-#endif
-
BcVec results;
BcVec exestack;