diff options
Diffstat (limited to 'gas/app.c')
| -rw-r--r-- | gas/app.c | 83 |
1 files changed, 62 insertions, 21 deletions
@@ -58,10 +58,6 @@ static const char * symver_state; static char last_char; -static char lex[256]; -static const char symbol_chars[] = -"$._ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; - #define LEX_IS_SYMBOL_COMPONENT 1 #define LEX_IS_WHITESPACE 2 #define LEX_IS_LINE_SEPARATOR 3 @@ -93,23 +89,73 @@ static const char symbol_chars[] = #define IS_LINE_COMMENT(c) (lex[c] == LEX_IS_LINE_COMMENT_START) #define IS_NEWLINE(c) (lex[c] == LEX_IS_NEWLINE) -static int process_escape (int); - -/* FIXME-soon: The entire lexer/parser thingy should be - built statically at compile time rather than dynamically - each and every time the assembler is run. xoxorich. */ +static char lex[256] = { + [' '] = LEX_IS_WHITESPACE, + ['\t'] = LEX_IS_WHITESPACE, + ['\r'] = LEX_IS_WHITESPACE, + ['\n'] = LEX_IS_NEWLINE, + [':'] = LEX_IS_COLON, + ['$'] = LEX_IS_SYMBOL_COMPONENT, + ['.'] = LEX_IS_SYMBOL_COMPONENT, + ['_'] = LEX_IS_SYMBOL_COMPONENT, + ['A'] = LEX_IS_SYMBOL_COMPONENT, ['a'] = LEX_IS_SYMBOL_COMPONENT, + ['B'] = LEX_IS_SYMBOL_COMPONENT, ['b'] = LEX_IS_SYMBOL_COMPONENT, + ['C'] = LEX_IS_SYMBOL_COMPONENT, ['c'] = LEX_IS_SYMBOL_COMPONENT, + ['D'] = LEX_IS_SYMBOL_COMPONENT, ['d'] = LEX_IS_SYMBOL_COMPONENT, + ['E'] = LEX_IS_SYMBOL_COMPONENT, ['e'] = LEX_IS_SYMBOL_COMPONENT, + ['F'] = LEX_IS_SYMBOL_COMPONENT, ['f'] = LEX_IS_SYMBOL_COMPONENT, + ['G'] = LEX_IS_SYMBOL_COMPONENT, ['g'] = LEX_IS_SYMBOL_COMPONENT, + ['H'] = LEX_IS_SYMBOL_COMPONENT, ['h'] = LEX_IS_SYMBOL_COMPONENT, + ['I'] = LEX_IS_SYMBOL_COMPONENT, ['i'] = LEX_IS_SYMBOL_COMPONENT, + ['J'] = LEX_IS_SYMBOL_COMPONENT, ['j'] = LEX_IS_SYMBOL_COMPONENT, + ['K'] = LEX_IS_SYMBOL_COMPONENT, ['k'] = LEX_IS_SYMBOL_COMPONENT, + ['L'] = LEX_IS_SYMBOL_COMPONENT, ['l'] = LEX_IS_SYMBOL_COMPONENT, + ['M'] = LEX_IS_SYMBOL_COMPONENT, ['m'] = LEX_IS_SYMBOL_COMPONENT, + ['N'] = LEX_IS_SYMBOL_COMPONENT, ['n'] = LEX_IS_SYMBOL_COMPONENT, + ['O'] = LEX_IS_SYMBOL_COMPONENT, ['o'] = LEX_IS_SYMBOL_COMPONENT, + ['P'] = LEX_IS_SYMBOL_COMPONENT, ['p'] = LEX_IS_SYMBOL_COMPONENT, + ['Q'] = LEX_IS_SYMBOL_COMPONENT, ['q'] = LEX_IS_SYMBOL_COMPONENT, + ['R'] = LEX_IS_SYMBOL_COMPONENT, ['r'] = LEX_IS_SYMBOL_COMPONENT, + ['S'] = LEX_IS_SYMBOL_COMPONENT, ['s'] = LEX_IS_SYMBOL_COMPONENT, + ['T'] = LEX_IS_SYMBOL_COMPONENT, ['t'] = LEX_IS_SYMBOL_COMPONENT, + ['U'] = LEX_IS_SYMBOL_COMPONENT, ['u'] = LEX_IS_SYMBOL_COMPONENT, + ['V'] = LEX_IS_SYMBOL_COMPONENT, ['v'] = LEX_IS_SYMBOL_COMPONENT, + ['W'] = LEX_IS_SYMBOL_COMPONENT, ['w'] = LEX_IS_SYMBOL_COMPONENT, + ['X'] = LEX_IS_SYMBOL_COMPONENT, ['x'] = LEX_IS_SYMBOL_COMPONENT, + ['Y'] = LEX_IS_SYMBOL_COMPONENT, ['y'] = LEX_IS_SYMBOL_COMPONENT, + ['Z'] = LEX_IS_SYMBOL_COMPONENT, ['z'] = LEX_IS_SYMBOL_COMPONENT, + ['0'] = LEX_IS_SYMBOL_COMPONENT, + ['1'] = LEX_IS_SYMBOL_COMPONENT, + ['2'] = LEX_IS_SYMBOL_COMPONENT, + ['3'] = LEX_IS_SYMBOL_COMPONENT, + ['4'] = LEX_IS_SYMBOL_COMPONENT, + ['5'] = LEX_IS_SYMBOL_COMPONENT, + ['6'] = LEX_IS_SYMBOL_COMPONENT, + ['7'] = LEX_IS_SYMBOL_COMPONENT, + ['8'] = LEX_IS_SYMBOL_COMPONENT, + ['9'] = LEX_IS_SYMBOL_COMPONENT, +#define INIT2(n) [n] = LEX_IS_SYMBOL_COMPONENT, \ + [(n) + 1] = LEX_IS_SYMBOL_COMPONENT +#define INIT4(n) INIT2 (n), INIT2 ((n) + 2) +#define INIT8(n) INIT4 (n), INIT4 ((n) + 4) +#define INIT16(n) INIT8 (n), INIT8 ((n) + 8) +#define INIT32(n) INIT16 (n), INIT16 ((n) + 16) +#define INIT64(n) INIT32 (n), INIT32 ((n) + 32) +#define INIT128(n) INIT64 (n), INIT64 ((n) + 64) + INIT128 (128), +#undef INIT128 +#undef INIT64 +#undef INIT32 +#undef INIT16 +#undef INIT8 +#undef INIT4 +#undef INIT2 +}; void do_scrub_begin (int m68k_mri ATTRIBUTE_UNUSED) { const char *p; - int c; - - lex[' '] = LEX_IS_WHITESPACE; - lex['\t'] = LEX_IS_WHITESPACE; - lex['\r'] = LEX_IS_WHITESPACE; - lex['\n'] = LEX_IS_NEWLINE; - lex[':'] = LEX_IS_COLON; #ifdef TC_M68K scrub_m68k_mri = m68k_mri; @@ -133,11 +179,6 @@ do_scrub_begin (int m68k_mri ATTRIBUTE_UNUSED) /* Note that these override the previous defaults, e.g. if ';' is a comment char, then it isn't a line separator. */ - for (p = symbol_chars; *p; ++p) - lex[(unsigned char) *p] = LEX_IS_SYMBOL_COMPONENT; - - for (c = 128; c < 256; ++c) - lex[c] = LEX_IS_SYMBOL_COMPONENT; #ifdef tc_symbol_chars /* This macro permits the processor to specify all characters which |