diff options
Diffstat (limited to 'innobase/pars/pars0lex.l')
| -rw-r--r-- | innobase/pars/pars0lex.l | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/innobase/pars/pars0lex.l b/innobase/pars/pars0lex.l new file mode 100644 index 00000000000..718dfc86646 --- /dev/null +++ b/innobase/pars/pars0lex.l @@ -0,0 +1,477 @@ +/****************************************************** +SQL parser lexical analyzer: input file for the GNU Flex lexer generator + +(c) 1997 Innobase Oy + +Created 12/14/1997 Heikki Tuuri +*******************************************************/ + +%{ +#define YYSTYPE que_node_t* + +#include "univ.i" +#include "pars0pars.h" +#include "pars0grm.h" +#include "pars0sym.h" +#include "mem0mem.h" +#include "os0proc.h" + +#define isatty(A) 0 +#define malloc(A) mem_alloc(A) +#define free(A) mem_free(A) +#define realloc(P, A) mem_realloc(P, A) +#define exit(A) ut_a(0) + +#define YY_INPUT(buf, result, max_size) pars_get_lex_chars(buf, &result,\ + max_size) +%} + +DIGIT [0-9] +ID [a-z_A-Z][a-z_A-Z0-9]* +%x comment +%% + +{DIGIT}+ { + yylval = sym_tab_add_int_lit(pars_sym_tab_global, + atoi(yytext)); + return(PARS_INT_LIT); +} + +{DIGIT}+"."{DIGIT}* { + ut_error; /* not implemented */ + + return(PARS_FLOAT_LIT); +} + +"\'"[^\']*"\'" { + /* Remove the single quotes around the string */ + + yylval = sym_tab_add_str_lit(pars_sym_tab_global, + (byte*)yytext, + ut_strlen(yytext)); + return(PARS_STR_LIT); +} + +"NULL" { + yylval = sym_tab_add_null_lit(pars_sym_tab_global); + + return(PARS_NULL_LIT); +} + +"SQL" { + /* Implicit cursor name */ + yylval = sym_tab_add_str_lit(pars_sym_tab_global, + (byte*)"\'SQL\'", 5); + return(PARS_SQL_TOKEN); +} + +"AND" { + return(PARS_AND_TOKEN); +} + +"OR" { + return(PARS_OR_TOKEN); +} + +"NOT" { + return(PARS_NOT_TOKEN); +} + +"PROCEDURE" { + return(PARS_PROCEDURE_TOKEN); +} + +"IN" { + return(PARS_IN_TOKEN); +} + +"OUT" { + return(PARS_OUT_TOKEN); +} + +"INT" { + return(PARS_INT_TOKEN); +} + +"INTEGER" { + return(PARS_INT_TOKEN); +} + +"FLOAT" { + return(PARS_FLOAT_TOKEN); +} + +"CHAR" { + return(PARS_CHAR_TOKEN); +} + +"IS" { + return(PARS_IS_TOKEN); +} + +"BEGIN" { + return(PARS_BEGIN_TOKEN); +} + +"END" { + return(PARS_END_TOKEN); +} + +"IF" { + return(PARS_IF_TOKEN); +} + +"THEN" { + return(PARS_THEN_TOKEN); +} + +"ELSE" { + return(PARS_ELSE_TOKEN); +} + +"ELSIF" { + return(PARS_ELSIF_TOKEN); +} + +"LOOP" { + return(PARS_LOOP_TOKEN); +} + +"WHILE" { + return(PARS_WHILE_TOKEN); +} + +"RETURN" { + return(PARS_RETURN_TOKEN); +} + +"SELECT" { + return(PARS_SELECT_TOKEN); +} + +"SUM" { + return(PARS_SUM_TOKEN); +} + +"COUNT" { + return(PARS_COUNT_TOKEN); +} + +"DISTINCT" { + return(PARS_DISTINCT_TOKEN); +} + +"FROM" { + return(PARS_FROM_TOKEN); +} + +"WHERE" { + return(PARS_WHERE_TOKEN); +} + +"FOR" { + return(PARS_FOR_TOKEN); +} + +"CONSISTENT" { + return(PARS_CONSISTENT_TOKEN); +} + +"READ" { + return(PARS_READ_TOKEN); +} + +"ORDER" { + return(PARS_ORDER_TOKEN); +} + +"BY" { + return(PARS_BY_TOKEN); +} + +"ASC" { + return(PARS_ASC_TOKEN); +} + +"DESC" { + return(PARS_DESC_TOKEN); +} + +"INSERT" { + return(PARS_INSERT_TOKEN); +} + +"INTO" { + return(PARS_INTO_TOKEN); +} + +"VALUES" { + return(PARS_VALUES_TOKEN); +} + +"UPDATE" { + return(PARS_UPDATE_TOKEN); +} + +"SET" { + return(PARS_SET_TOKEN); +} + +"DELETE" { + return(PARS_DELETE_TOKEN); +} + +"CURRENT" { + return(PARS_CURRENT_TOKEN); +} + +"OF" { + return(PARS_OF_TOKEN); +} + +"CREATE" { + return(PARS_CREATE_TOKEN); +} + +"TABLE" { + return(PARS_TABLE_TOKEN); +} + +"INDEX" { + return(PARS_INDEX_TOKEN); +} + +"UNIQUE" { + return(PARS_UNIQUE_TOKEN); +} + +"CLUSTERED" { + return(PARS_CLUSTERED_TOKEN); +} + +"DOES_NOT_FIT_IN_MEMORY" { + return(PARS_DOES_NOT_FIT_IN_MEM_TOKEN); +} + +"ON" { + return(PARS_ON_TOKEN); +} + +"DECLARE" { + return(PARS_DECLARE_TOKEN); +} + +"CURSOR" { + return(PARS_CURSOR_TOKEN); +} + +"OPEN" { + return(PARS_OPEN_TOKEN); +} + +"FETCH" { + return(PARS_FETCH_TOKEN); +} + +"CLOSE" { + return(PARS_CLOSE_TOKEN); +} + +"NOTFOUND" { + return(PARS_NOTFOUND_TOKEN); +} + +"TO_CHAR" { + return(PARS_TO_CHAR_TOKEN); +} + +"TO_NUMBER" { + return(PARS_TO_NUMBER_TOKEN); +} + +"TO_BINARY" { + return(PARS_TO_BINARY_TOKEN); +} + +"BINARY_TO_NUMBER" { + return(PARS_BINARY_TO_NUMBER_TOKEN); +} + +"SUBSTR" { + return(PARS_SUBSTR_TOKEN); +} + +"REPLSTR" { + return(PARS_REPLSTR_TOKEN); +} + +"CONCAT" { + return(PARS_CONCAT_TOKEN); +} + +"INSTR" { + return(PARS_INSTR_TOKEN); +} + +"LENGTH" { + return(PARS_LENGTH_TOKEN); +} + +"SYSDATE" { + return(PARS_SYSDATE_TOKEN); +} + +"PRINTF" { + return(PARS_PRINTF_TOKEN); +} + +"ASSERT" { + return(PARS_ASSERT_TOKEN); +} + +"RND" { + return(PARS_RND_TOKEN); +} + +"RND_STR" { + return(PARS_RND_STR_TOKEN); +} + +"ROW_PRINTF" { + return(PARS_ROW_PRINTF_TOKEN); +} + +"COMMIT" { + return(PARS_COMMIT_TOKEN); +} + +"ROLLBACK" { + return(PARS_ROLLBACK_TOKEN); +} + +"WORK" { + return(PARS_WORK_TOKEN); +} + +{ID} { + yylval = sym_tab_add_id(pars_sym_tab_global, + (byte*)yytext, + ut_strlen(yytext)); + return(PARS_ID_TOKEN); +} + +".." { + return(PARS_DDOT_TOKEN); +} + +":=" { + return(PARS_ASSIGN_TOKEN); +} + +"<=" { + return(PARS_LE_TOKEN); +} + +">=" { + return(PARS_GE_TOKEN); +} + +"<>" { + return(PARS_NE_TOKEN); +} + +"(" { + + return((int)(*yytext)); +} + +"=" { + + return((int)(*yytext)); +} + +">" { + + return((int)(*yytext)); +} + +"<" { + + return((int)(*yytext)); +} + +"," { + + return((int)(*yytext)); +} + +";" { + + return((int)(*yytext)); +} + +")" { + + return((int)(*yytext)); +} + +"+" { + + return((int)(*yytext)); +} + +"-" { + + return((int)(*yytext)); +} + +"*" { + + return((int)(*yytext)); +} + +"/" { + + return((int)(*yytext)); +} + +"%" { + + return((int)(*yytext)); +} + +"{" { + + return((int)(*yytext)); +} + +"}" { + + return((int)(*yytext)); +} + +"?" { + + return((int)(*yytext)); +} + +"/*" BEGIN(comment); /* eat up comment */ + +<comment>[^*\n]* +<comment>[^*\n]*\n +<comment>"*"+[^*/\n]* +<comment>"*"+[^*/\n]*\n +<comment>"*"+"/" BEGIN(INITIAL); + +[ \t\n]+ /* eat up whitespace */ + + +. { + printf("Unrecognized character: %s\n", yytext); + + ut_error; + + return(0); +} + +%% |