struct psi_token *token;
const char *tok, *cur, *lim, *mrk, *eol, *ctxmrk;
unsigned parens;
+ bool escaped;
+ token_t char_width;
+
+ PSI_DEBUG_PRINT(P, "PSI: scanning %s\n", I->file);
tok = mrk = eol = cur = I->buffer;
lim = I->buffer + I->length;
I->lines = 1;
- tokens = psi_plist_init((void (*)(void *)) psi_token_free);
+ tokens = psi_plist_init((psi_plist_dtor) psi_token_free);
start: ;
+ char_width = 1;
ctxmrk = NULL;
tok = cur;
re2c:yyfill:parameter = 0;
W = [a-zA-Z0-9_\x80-\xff];
- SP = [ \t];
+ SP = [ \t\f];
EOL = [\r\n];
- NAME = [a-zA-Z_\x80-\xff]W*;
+ NAME = [a-zA-Z_\x80-\xff] W*;
NSNAME = (NAME)? ("\\" NAME)+;
DOLLAR_NAME = '$' W+;
- QUOTED_STRING = "L"? "\"" ([^"])+ "\"";
- QUOTED_CHAR = "L"? "'" ([^']+ "\\'"?)+ "'";
CPP_HEADER = "<" [-._/a-zA-Z0-9]+ ">";
- CPP_ATTRIBUTE = "__attribute__" W* "((";
- CPP_PRAGMA_ONCE = "pragma" W+ "once";
+ CPP_ATTRIBUTE = "__attribute__" SP* "((";
DEC_CONST = [1-9] [0-9]*;
OCT_CONST = "0" [0-7]*;
HEX_CONST = '0x' [0-9a-fA-F]+;
INT_CONST = (DEC_CONST | OCT_CONST | HEX_CONST);
- INT_SUFFIX = 'u'('l' 'l'? )? | 'l'('l'? 'u')?;
- INT_NUMBER = (DEC_CONST | OCT_CONST | HEX_CONST) INT_SUFFIX?;
- FLT_HEX_FRAC = [0-9a-fA-F]*;
- FLT_HEX_SIG = HEX_CONST ("." FLT_HEX_FRAC)?;
- FLT_HEX_EXPO = 'p' [+-]? [0-9]+;
- FLT_HEX_CONST = FLT_HEX_SIG FLT_HEX_EXPO;
+ FLT_HEX_CONST = HEX_CONST ("." [0-9a-fA-F]*)? 'p' [+-]? [0-9]+;
FLT_DEC_NUM = "0" | DEC_CONST;
- FLT_DEC_FRAC = [0-9]*;
- FLT_DEC_SIG = FLT_DEC_NUM ("." FLT_DEC_FRAC)?;
- FLT_DEC_EXPO = 'e' [+-]? [0-9]+;
- FLT_DEC_CONST = (FLT_DEC_SIG FLT_DEC_EXPO) | (FLT_DEC_NUM "." FLT_DEC_FRAC) | ("." [0-9]+);
+ FLT_DEC_CONST = (FLT_DEC_NUM ("." [0-9]*)? 'e' [+-]? [0-9]+) | (FLT_DEC_NUM "." [0-9]*) | ("." [0-9]+);
FLT_CONST = (FLT_DEC_CONST | FLT_HEX_CONST);
- FLT_SUFFIX = 'f' | 'l' | ('d' ('f' | 'd' | 'l'));
- FLT_NUMBER = (FLT_DEC_CONST | FLT_HEX_CONST) FLT_SUFFIX?;
[+-]? INT_CONST { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_INT; goto start; }
[+-]? INT_CONST / 'u' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_INT | PSI_NUMBER_U; cur += 1; goto start; }
[+-]? FLT_CONST / 'dd' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_FLT | PSI_NUMBER_DD; cur += 2; goto start; }
[+-]? FLT_CONST / 'dl' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_FLT | PSI_NUMBER_DL; cur += 2; goto start; }
+ "'" { escaped = false; tok += 1; goto character; }
+ "\"" { escaped = false; tok += 1; goto string; }
+ "u8" / "\"" { char_width = 1; }
+ "u" / ['"] { char_width = 2; }
+ "U" / ['"] { char_width = 4; }
+ "L" / ['"] { char_width = SIZEOF_WCHAR_T/8; }
+
"/*" { goto comment; }
"//" { goto comment_sl; }
+
+ "##" { NEWTOKEN(PSI_T_CPP_PASTE); goto start; }
"#" { NEWTOKEN(PSI_T_HASH); goto start; }
"(" { NEWTOKEN(PSI_T_LPAREN); goto start; }
")" { NEWTOKEN(PSI_T_RPAREN); goto start; }
"..." { NEWTOKEN(PSI_T_ELLIPSIS); goto start; }
"?" { NEWTOKEN(PSI_T_IIF); goto start; }
"pragma" { NEWTOKEN(PSI_T_PRAGMA); goto start; }
- "once" { NEWTOKEN(PSI_T_ONCE); goto start; }
+ "pragma" W+ "once" { NEWTOKEN(PSI_T_PRAGMA_ONCE); goto start; }
+ "__inline" { NEWTOKEN(PSI_T_CPP_INLINE); goto start; }
+ "__restrict" { NEWTOKEN(PSI_T_CPP_RESTRICT); goto start; }
+ "__extension__" { NEWTOKEN(PSI_T_CPP_EXTENSION); goto start; }
+ "__asm__" { NEWTOKEN(PSI_T_CPP_ASM); goto start; }
+ "volatile" { NEWTOKEN(PSI_T_VOLATILE); goto start; }
+ "sizeof" { NEWTOKEN(PSI_T_SIZEOF); goto start; }
+ "line" { NEWTOKEN(PSI_T_LINE); goto start; }
+ "typedef" { NEWTOKEN(PSI_T_TYPEDEF); goto start; }
+ "struct" { NEWTOKEN(PSI_T_STRUCT); goto start; }
+ "union" { NEWTOKEN(PSI_T_UNION); goto start; }
+ "enum" { NEWTOKEN(PSI_T_ENUM); goto start; }
+ "const" { NEWTOKEN(PSI_T_CONST); goto start; }
+ "void" { NEWTOKEN(PSI_T_VOID); goto start; }
+ "bool" { NEWTOKEN(PSI_T_BOOL); goto start; }
+ "char" { NEWTOKEN(PSI_T_CHAR); goto start; }
+ "short" { NEWTOKEN(PSI_T_SHORT); goto start; }
+ "int" { NEWTOKEN(PSI_T_INT); goto start; }
+ "long" { NEWTOKEN(PSI_T_LONG); goto start; }
+ "float" { NEWTOKEN(PSI_T_FLOAT); goto start; }
+ "double" { NEWTOKEN(PSI_T_DOUBLE); goto start; }
+ "int8_t" { NEWTOKEN(PSI_T_INT8); goto start; }
+ "uint8_t" { NEWTOKEN(PSI_T_UINT8); goto start; }
+ "int16_t" { NEWTOKEN(PSI_T_INT16); goto start; }
+ "uint16_t" { NEWTOKEN(PSI_T_UINT16); goto start; }
+ "int32_t" { NEWTOKEN(PSI_T_INT32); goto start; }
+ "uint32_t" { NEWTOKEN(PSI_T_UINT32); goto start; }
+ "int64_t" { NEWTOKEN(PSI_T_INT64); goto start; }
+ "uint64_t" { NEWTOKEN(PSI_T_UINT64); goto start; }
+ "unsigned" { NEWTOKEN(PSI_T_UNSIGNED); goto start; }
+ "signed" { NEWTOKEN(PSI_T_SIGNED); goto start; }
'IF' { NEWTOKEN(PSI_T_IF); goto start; }
'IFDEF' { NEWTOKEN(PSI_T_IFDEF); goto start; }
'IFNDEF' { NEWTOKEN(PSI_T_IFNDEF); goto start; }
'NULL' { NEWTOKEN(PSI_T_NULL); goto start; }
'MIXED' { NEWTOKEN(PSI_T_MIXED); goto start; }
'CALLABLE' { NEWTOKEN(PSI_T_CALLABLE); goto start; }
- 'VOID' { NEWTOKEN(PSI_T_VOID); goto start; }
- 'BOOL' { NEWTOKEN(PSI_T_BOOL); goto start; }
- 'CHAR' { NEWTOKEN(PSI_T_CHAR); goto start; }
- 'SHORT' { NEWTOKEN(PSI_T_SHORT); goto start; }
- 'INT' { NEWTOKEN(PSI_T_INT); goto start; }
- 'LONG' { NEWTOKEN(PSI_T_LONG); goto start; }
- 'FLOAT' { NEWTOKEN(PSI_T_FLOAT); goto start; }
- 'DOUBLE' { NEWTOKEN(PSI_T_DOUBLE); goto start; }
- 'INT8_T' { NEWTOKEN(PSI_T_INT8); goto start; }
- 'UINT8_T' { NEWTOKEN(PSI_T_UINT8); goto start; }
- 'INT16_T' { NEWTOKEN(PSI_T_INT16); goto start; }
- 'UINT16_T' { NEWTOKEN(PSI_T_UINT16); goto start; }
- 'INT32_T' { NEWTOKEN(PSI_T_INT32); goto start; }
- 'UINT32_T' { NEWTOKEN(PSI_T_UINT32); goto start; }
- 'INT64_T' { NEWTOKEN(PSI_T_INT64); goto start; }
- 'UINT64_T' { NEWTOKEN(PSI_T_UINT64); goto start; }
- 'UNSIGNED' { NEWTOKEN(PSI_T_UNSIGNED); goto start; }
- 'SIGNED' { NEWTOKEN(PSI_T_SIGNED); goto start; }
'STRING' { NEWTOKEN(PSI_T_STRING); goto start; }
'ARRAY' { NEWTOKEN(PSI_T_ARRAY); goto start; }
'OBJECT' { NEWTOKEN(PSI_T_OBJECT); goto start; }
'CALLBACK' { NEWTOKEN(PSI_T_CALLBACK); goto start; }
'STATIC' { NEWTOKEN(PSI_T_STATIC); goto start; }
'FUNCTION' { NEWTOKEN(PSI_T_FUNCTION); goto start; }
- 'TYPEDEF' { NEWTOKEN(PSI_T_TYPEDEF); goto start; }
- 'STRUCT' { NEWTOKEN(PSI_T_STRUCT); goto start; }
- 'UNION' { NEWTOKEN(PSI_T_UNION); goto start; }
- 'ENUM' { NEWTOKEN(PSI_T_ENUM); goto start; }
- 'CONST' { NEWTOKEN(PSI_T_CONST); goto start; }
'LIB' { NEWTOKEN(PSI_T_LIB); goto start; }
'LET' { NEWTOKEN(PSI_T_LET); goto start; }
'SET' { NEWTOKEN(PSI_T_SET); goto start; }
NAME { NEWTOKEN(PSI_T_NAME); goto start; }
NSNAME { NEWTOKEN(PSI_T_NSNAME); goto start; }
DOLLAR_NAME { NEWTOKEN(PSI_T_DOLLAR_NAME); goto start; }
- QUOTED_STRING { NEWTOKEN(PSI_T_QUOTED_STRING); goto start; }
- QUOTED_CHAR { NEWTOKEN(PSI_T_QUOTED_CHAR); goto start; }
- CPP_HEADER { NEWTOKEN(PSI_T_CPP_HEADER); goto start; }
+ CPP_HEADER { tok += 1; cur -= 1; NEWTOKEN(PSI_T_CPP_HEADER); cur += 1; goto start; }
CPP_ATTRIBUTE { parens = 2; goto cpp_attribute; }
EOL { NEWTOKEN(PSI_T_EOL); NEWLINE(); goto start; }
SP+ { NEWTOKEN(PSI_T_WHITESPACE); goto start; }
*/
+ character: ;
+ /*!re2c
+
+ EOL { NEWLINE(); goto character; }
+ "\\" { escaped = !escaped; goto character; }
+ "'" {
+ if (escaped) {
+ escaped = false;
+ goto character;
+ }
+ cur -= 1;
+ NEWTOKEN(PSI_T_QUOTED_CHAR);
+ cur += 1;
+ token->flags = char_width;
+ goto start;
+ }
+ * { escaped = false; goto character; }
+
+ */
+
+ string: ;
+ /*!re2c
+
+ EOL { NEWLINE(); goto string; }
+ "\\" { escaped = !escaped; goto string; }
+ "\"" {
+ if (escaped) {
+ escaped = false;
+ goto string;
+ }
+ cur -= 1;
+ NEWTOKEN(PSI_T_QUOTED_STRING);
+ cur += 1;
+ token->flags = char_width;
+ goto start;
+ }
+ * { escaped = false; goto string; }
+
+ */
+
comment: ;
/*!re2c