diff options
| -rw-r--r-- | miscutils/bc.c | 168 |
1 files changed, 84 insertions, 84 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index 7a69a08..b4e9e6c 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -391,8 +391,8 @@ typedef struct BcInstPtr { // BC_LEX_NEG is not used in lexing; it is only for parsing. typedef enum BcLexType { - BC_LEX_EOF, - BC_LEX_INVALID, + XC_LEX_EOF, + XC_LEX_INVALID, BC_LEX_OP_INC, BC_LEX_OP_DEC, @@ -467,33 +467,33 @@ typedef enum BcLexType { BC_LEX_KEY_WHILE, #if ENABLE_DC - BC_LEX_EQ_NO_REG, - BC_LEX_OP_MODEXP, - BC_LEX_OP_DIVMOD, - - BC_LEX_COLON, - BC_LEX_ELSE, - BC_LEX_EXECUTE, - BC_LEX_PRINT_STACK, - BC_LEX_CLEAR_STACK, - BC_LEX_STACK_LEVEL, - BC_LEX_DUPLICATE, - BC_LEX_SWAP, - BC_LEX_POP, - - BC_LEX_ASCIIFY, - BC_LEX_PRINT_STREAM, - - // code uses "t - BC_LEX_STORE_IBASE + XC_INST_IBASE" construct, - BC_LEX_STORE_IBASE, // relative order should match for: XC_INST_IBASE - BC_LEX_STORE_OBASE, // relative order should match for: XC_INST_OBASE - BC_LEX_STORE_SCALE, // relative order should match for: XC_INST_SCALE - BC_LEX_LOAD, - BC_LEX_LOAD_POP, - BC_LEX_STORE_PUSH, - BC_LEX_PRINT_POP, - BC_LEX_NQUIT, - BC_LEX_SCALE_FACTOR, + DC_LEX_EQ_NO_REG, + DC_LEX_OP_MODEXP, + DC_LEX_OP_DIVMOD, + + DC_LEX_COLON, + DC_LEX_ELSE, + DC_LEX_EXECUTE, + DC_LEX_PRINT_STACK, + DC_LEX_CLEAR_STACK, + DC_LEX_STACK_LEVEL, + DC_LEX_DUPLICATE, + DC_LEX_SWAP, + DC_LEX_POP, + + DC_LEX_ASCIIFY, + DC_LEX_PRINT_STREAM, + + // code uses "t - DC_LEX_STORE_IBASE + XC_INST_IBASE" construct, + DC_LEX_STORE_IBASE, // relative order should match for: XC_INST_IBASE + DC_LEX_STORE_OBASE, // relative order should match for: XC_INST_OBASE + DC_LEX_STORE_SCALE, // relative order should match for: XC_INST_SCALE + DC_LEX_LOAD, + DC_LEX_LOAD_POP, + DC_LEX_STORE_PUSH, + DC_LEX_PRINT_POP, + DC_LEX_NQUIT, + DC_LEX_SCALE_FACTOR, #endif } BcLexType; // must match order of BC_LEX_KEY_foo etc above @@ -616,44 +616,44 @@ static const //BcLexType - should be this type uint8_t dc_char_to_LEX[] = { /* %&'( */ - BC_LEX_OP_MODULUS, BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_LPAREN, + BC_LEX_OP_MODULUS, XC_LEX_INVALID, XC_LEX_INVALID, BC_LEX_LPAREN, /* )*+, */ - BC_LEX_INVALID, BC_LEX_OP_MULTIPLY, BC_LEX_OP_PLUS, BC_LEX_INVALID, + XC_LEX_INVALID, BC_LEX_OP_MULTIPLY, BC_LEX_OP_PLUS, XC_LEX_INVALID, /* -./ */ - BC_LEX_OP_MINUS, BC_LEX_INVALID, BC_LEX_OP_DIVIDE, + BC_LEX_OP_MINUS, XC_LEX_INVALID, BC_LEX_OP_DIVIDE, /* 0123456789 */ - BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_INVALID, - BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_INVALID, - BC_LEX_INVALID, BC_LEX_INVALID, + XC_LEX_INVALID, XC_LEX_INVALID, XC_LEX_INVALID, XC_LEX_INVALID, + XC_LEX_INVALID, XC_LEX_INVALID, XC_LEX_INVALID, XC_LEX_INVALID, + XC_LEX_INVALID, XC_LEX_INVALID, /* :;<=>?@ */ - BC_LEX_COLON, BC_LEX_SCOLON, BC_LEX_OP_REL_GT, BC_LEX_OP_REL_EQ, - BC_LEX_OP_REL_LT, BC_LEX_KEY_READ, BC_LEX_INVALID, + DC_LEX_COLON, BC_LEX_SCOLON, BC_LEX_OP_REL_GT, BC_LEX_OP_REL_EQ, + BC_LEX_OP_REL_LT, BC_LEX_KEY_READ, XC_LEX_INVALID, /* ABCDEFGH */ - BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_INVALID, - BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_EQ_NO_REG, BC_LEX_INVALID, + XC_LEX_INVALID, XC_LEX_INVALID, XC_LEX_INVALID, XC_LEX_INVALID, + XC_LEX_INVALID, XC_LEX_INVALID, DC_LEX_EQ_NO_REG, XC_LEX_INVALID, /* IJKLMNOP */ - BC_LEX_KEY_IBASE, BC_LEX_INVALID, BC_LEX_KEY_SCALE, BC_LEX_LOAD_POP, - BC_LEX_INVALID, BC_LEX_OP_BOOL_NOT, BC_LEX_KEY_OBASE, BC_LEX_PRINT_STREAM, + BC_LEX_KEY_IBASE, XC_LEX_INVALID, BC_LEX_KEY_SCALE, DC_LEX_LOAD_POP, + XC_LEX_INVALID, BC_LEX_OP_BOOL_NOT, BC_LEX_KEY_OBASE, DC_LEX_PRINT_STREAM, /* QRSTUVWXY */ - BC_LEX_NQUIT, BC_LEX_POP, BC_LEX_STORE_PUSH, BC_LEX_INVALID, BC_LEX_INVALID, - BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_SCALE_FACTOR, BC_LEX_INVALID, + DC_LEX_NQUIT, DC_LEX_POP, DC_LEX_STORE_PUSH, XC_LEX_INVALID, XC_LEX_INVALID, + XC_LEX_INVALID, XC_LEX_INVALID, DC_LEX_SCALE_FACTOR, XC_LEX_INVALID, /* Z[\] */ - BC_LEX_KEY_LENGTH, BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_INVALID, + BC_LEX_KEY_LENGTH, XC_LEX_INVALID, XC_LEX_INVALID, XC_LEX_INVALID, /* ^_` */ - BC_LEX_OP_POWER, BC_LEX_NEG, BC_LEX_INVALID, + BC_LEX_OP_POWER, BC_LEX_NEG, XC_LEX_INVALID, /* abcdefgh */ - BC_LEX_ASCIIFY, BC_LEX_INVALID, BC_LEX_CLEAR_STACK, BC_LEX_DUPLICATE, - BC_LEX_ELSE, BC_LEX_PRINT_STACK, BC_LEX_INVALID, BC_LEX_INVALID, + DC_LEX_ASCIIFY, XC_LEX_INVALID, DC_LEX_CLEAR_STACK, DC_LEX_DUPLICATE, + DC_LEX_ELSE, DC_LEX_PRINT_STACK, XC_LEX_INVALID, XC_LEX_INVALID, /* ijklmnop */ - BC_LEX_STORE_IBASE, BC_LEX_INVALID, BC_LEX_STORE_SCALE, BC_LEX_LOAD, - BC_LEX_INVALID, BC_LEX_PRINT_POP, BC_LEX_STORE_OBASE, BC_LEX_KEY_PRINT, + DC_LEX_STORE_IBASE, XC_LEX_INVALID, DC_LEX_STORE_SCALE, DC_LEX_LOAD, + XC_LEX_INVALID, DC_LEX_PRINT_POP, DC_LEX_STORE_OBASE, BC_LEX_KEY_PRINT, /* qrstuvwx */ - BC_LEX_KEY_QUIT, BC_LEX_SWAP, BC_LEX_OP_ASSIGN, BC_LEX_INVALID, - BC_LEX_INVALID, BC_LEX_KEY_SQRT, BC_LEX_INVALID, BC_LEX_EXECUTE, + BC_LEX_KEY_QUIT, DC_LEX_SWAP, BC_LEX_OP_ASSIGN, XC_LEX_INVALID, + XC_LEX_INVALID, BC_LEX_KEY_SQRT, XC_LEX_INVALID, DC_LEX_EXECUTE, /* yz */ - BC_LEX_INVALID, BC_LEX_STACK_LEVEL, + XC_LEX_INVALID, DC_LEX_STACK_LEVEL, /* {|}~ */ - BC_LEX_LBRACE, BC_LEX_OP_MODEXP, BC_LEX_INVALID, BC_LEX_OP_DIVMOD, + BC_LEX_LBRACE, DC_LEX_OP_MODEXP, XC_LEX_INVALID, DC_LEX_OP_DIVMOD, }; static const //BcInst - should be this type. Using signed narrow type since DC_INST_INVALID is -1 int8_t @@ -2940,7 +2940,7 @@ static BC_STATUS zbc_lex_next(BcLex *l) BcStatus s; l->t.last = l->t.t; - if (l->t.last == BC_LEX_EOF) RETURN_STATUS(bc_error("end of file")); + if (l->t.last == XC_LEX_EOF) RETURN_STATUS(bc_error("end of file")); l->line += l->newline; G.err_line = l->line; @@ -2952,7 +2952,7 @@ static BC_STATUS zbc_lex_next(BcLex *l) s = BC_STATUS_SUCCESS; do { if (l->i == l->len) { - l->t.t = BC_LEX_EOF; + l->t.t = XC_LEX_EOF; if (!G.input_fp) RETURN_STATUS(BC_STATUS_SUCCESS); if (!bc_lex_more_input(l)) { @@ -3002,7 +3002,7 @@ static BC_STATUS zbc_lex_text_init(BcLex *l, const char *text) l->buf = text; l->i = 0; l->len = strlen(text); - l->t.t = l->t.last = BC_LEX_INVALID; + l->t.t = l->t.last = XC_LEX_INVALID; RETURN_STATUS(zbc_lex_next(l)); } #define zbc_lex_text_init(...) (zbc_lex_text_init(__VA_ARGS__) COMMA_SUCCESS) @@ -3142,7 +3142,7 @@ static BC_STATUS zbc_lex_token(BcLex *l) switch (c) { // case '\0': // probably never reached // l->i--; -// l->t.t = BC_LEX_EOF; +// l->t.t = XC_LEX_EOF; // l->newline = true; // break; case '\n': @@ -3182,7 +3182,7 @@ static BC_STATUS zbc_lex_token(BcLex *l) ++l->i; l->t.t = BC_LEX_OP_BOOL_AND; } else { - l->t.t = BC_LEX_INVALID; + l->t.t = XC_LEX_INVALID; s = bc_error_bad_character('&'); } break; @@ -3311,12 +3311,12 @@ static BC_STATUS zbc_lex_token(BcLex *l) ++l->i; l->t.t = BC_LEX_OP_BOOL_OR; } else { - l->t.t = BC_LEX_INVALID; + l->t.t = XC_LEX_INVALID; s = bc_error_bad_character(c); } break; default: - l->t.t = BC_LEX_INVALID; + l->t.t = XC_LEX_INVALID; s = bc_error_bad_character(c); break; } @@ -3394,9 +3394,9 @@ static BC_STATUS zdc_lex_token(BcLex *l) uint8_t dc_lex_regs[] = { BC_LEX_OP_REL_EQ, BC_LEX_OP_REL_LE, BC_LEX_OP_REL_GE, BC_LEX_OP_REL_NE, - BC_LEX_OP_REL_LT, BC_LEX_OP_REL_GT, BC_LEX_SCOLON, BC_LEX_COLON, - BC_LEX_ELSE, BC_LEX_LOAD, BC_LEX_LOAD_POP, BC_LEX_OP_ASSIGN, - BC_LEX_STORE_PUSH, + BC_LEX_OP_REL_LT, BC_LEX_OP_REL_GT, BC_LEX_SCOLON, DC_LEX_COLON, + DC_LEX_ELSE, DC_LEX_LOAD, DC_LEX_LOAD_POP, BC_LEX_OP_ASSIGN, + DC_LEX_STORE_PUSH, }; BcStatus s; @@ -3411,7 +3411,7 @@ static BC_STATUS zdc_lex_token(BcLex *l) s = BC_STATUS_SUCCESS; c = l->buf[l->i++]; if (c >= '%' && c <= '~' - && (l->t.t = dc_char_to_LEX[c - '%']) != BC_LEX_INVALID + && (l->t.t = dc_char_to_LEX[c - '%']) != XC_LEX_INVALID ) { RETURN_STATUS(s); } @@ -3419,7 +3419,7 @@ static BC_STATUS zdc_lex_token(BcLex *l) // This is the workhorse of the lexer. switch (c) { // case '\0': // probably never reached -// l->t.t = BC_LEX_EOF; +// l->t.t = XC_LEX_EOF; // break; case '\n': // '\n' is BC_LEX_NLINE, not BC_LEX_WHITESPACE @@ -3484,7 +3484,7 @@ static BC_STATUS zdc_lex_token(BcLex *l) s = zdc_lex_string(l); break; default: - l->t.t = BC_LEX_INVALID; + l->t.t = XC_LEX_INVALID; s = bc_error_bad_character(c); break; } @@ -3605,7 +3605,7 @@ static void bc_parse_reset(BcParse *p) } p->l.i = p->l.len; - p->l.t.t = BC_LEX_EOF; + p->l.t.t = XC_LEX_EOF; IF_BC(bc_vec_pop_all(&p->exits);) IF_BC(bc_vec_pop_all(&p->conds);) @@ -4601,7 +4601,7 @@ static BC_STATUS zbc_parse_stmt_or_funcdef(BcParse *p) BcStatus s; dbg_lex_enter("%s:%d entered", __func__, __LINE__); - if (p->l.t.t == BC_LEX_EOF) + if (p->l.t.t == XC_LEX_EOF) s = bc_error("end of file"); else if (p->l.t.t == BC_LEX_KEY_DEFINE) { dbg_lex("%s:%d p->l.t.t:BC_LEX_KEY_DEFINE", __func__, __LINE__); @@ -4888,7 +4888,7 @@ static BC_STATUS zdc_parse_cond(BcParse *p, uint8_t inst) // Note that 'else' part can not be on the next line: // echo -e '[1p]sa [2p]sb 2 1>a eb' | dc - OK, prints "2" // echo -e '[1p]sa [2p]sb 2 1>a\neb' | dc - parse error - if (p->l.t.t == BC_LEX_ELSE) { + if (p->l.t.t == DC_LEX_ELSE) { s = zdc_parse_register(p); if (s) RETURN_STATUS(s); s = zbc_lex_next(&p->l); @@ -4921,9 +4921,9 @@ static BC_STATUS zdc_parse_token(BcParse *p, BcLexType t) get_token = false; break; case BC_LEX_SCOLON: - case BC_LEX_COLON: + case DC_LEX_COLON: dbg_lex("%s:%d LEX_[S]COLON", __func__, __LINE__); - s = zdc_parse_mem(p, XC_INST_ARRAY_ELEM, true, t == BC_LEX_COLON); + s = zdc_parse_mem(p, XC_INST_ARRAY_ELEM, true, t == DC_LEX_COLON); break; case BC_LEX_STR: dbg_lex("%s:%d LEX_STR", __func__, __LINE__); @@ -4947,23 +4947,23 @@ static BC_STATUS zdc_parse_token(BcParse *p, BcLexType t) bc_parse_push(p, XC_INST_READ); break; case BC_LEX_OP_ASSIGN: - case BC_LEX_STORE_PUSH: + case DC_LEX_STORE_PUSH: dbg_lex("%s:%d LEX_OP_ASSIGN/STORE_PUSH", __func__, __LINE__); assign = t == BC_LEX_OP_ASSIGN; inst = assign ? XC_INST_VAR : DC_INST_PUSH_TO_VAR; s = zdc_parse_mem(p, inst, true, assign); break; - case BC_LEX_LOAD: - case BC_LEX_LOAD_POP: + case DC_LEX_LOAD: + case DC_LEX_LOAD_POP: dbg_lex("%s:%d LEX_OP_LOAD[_POP]", __func__, __LINE__); - inst = t == BC_LEX_LOAD_POP ? DC_INST_PUSH_VAR : DC_INST_LOAD; + inst = t == DC_LEX_LOAD_POP ? DC_INST_PUSH_VAR : DC_INST_LOAD; s = zdc_parse_mem(p, inst, true, false); break; - case BC_LEX_STORE_IBASE: - case BC_LEX_STORE_SCALE: - case BC_LEX_STORE_OBASE: + case DC_LEX_STORE_IBASE: + case DC_LEX_STORE_SCALE: + case DC_LEX_STORE_OBASE: dbg_lex("%s:%d LEX_OP_STORE_I/OBASE/SCALE", __func__, __LINE__); - inst = t - BC_LEX_STORE_IBASE + XC_INST_IBASE; + inst = t - DC_LEX_STORE_IBASE + XC_INST_IBASE; s = zdc_parse_mem(p, inst, false, true); break; default: @@ -4997,7 +4997,7 @@ static BC_STATUS zdc_parse_expr(BcParse *p) static BC_STATUS zdc_parse_exprs_until_eof(BcParse *p) { dbg_lex_enter("%s:%d entered, p->l.t.t:%d", __func__, __LINE__, p->l.t.t); - while (p->l.t.t != BC_LEX_EOF) { + while (p->l.t.t != XC_LEX_EOF) { BcStatus s = zdc_parse_expr(p); if (s) RETURN_STATUS(s); } @@ -5229,7 +5229,7 @@ static BC_STATUS zbc_program_read(void) } if (s) goto exec_err; - if (parse.l.t.t != BC_LEX_NLINE && parse.l.t.t != BC_LEX_EOF) { + if (parse.l.t.t != BC_LEX_NLINE && parse.l.t.t != XC_LEX_EOF) { s = bc_error("bad read() expression"); goto exec_err; } @@ -6361,7 +6361,7 @@ static BC_STATUS zdc_program_execStr(char *code, size_t *bgn, bool cond) G.input_fp = sv_input_fp; if (s) goto err; - if (prs.l.t.t != BC_LEX_EOF) { + if (prs.l.t.t != XC_LEX_EOF) { s = bc_error_bad_expression(); err: bc_parse_free(&prs); @@ -6695,7 +6695,7 @@ static BC_STATUS zbc_vm_process(const char *text) s = zbc_parse_text_init(&G.prs, text); // does the first zbc_lex_next() if (s) RETURN_STATUS(s); - while (G.prs.l.t.t != BC_LEX_EOF) { + while (G.prs.l.t.t != XC_LEX_EOF) { BcInstPtr *ip; BcFunc *f; @@ -6713,7 +6713,7 @@ static BC_STATUS zbc_vm_process(const char *text) while (G.prs.l.t.t == BC_LEX_NLINE) { s = zbc_lex_next(&G.prs.l); if (s) goto err; - if (G.prs.l.t.t == BC_LEX_EOF) + if (G.prs.l.t.t == XC_LEX_EOF) goto done; } IF_DC(s = zdc_parse_expr(&G.prs)); |