+++ /dev/null
-#include <stdio.h>
-#include <assert.h>
-
-#include "parser.h"
-#include "parser_proc.h"
-
-void *PSI_ParserProcAlloc(void*(unsigned long));
-void PSI_ParserProcFree(void*, void(*)(void*));
-void PSI_ParserProc(void *, token_t, PSI_Token *, PSI_Parser *);
-
-PSI_Parser *PSI_ParserInit(PSI_Parser *P, const char *filename)
-{
- FILE *fp;
-
- if (!P) {
- P = malloc(sizeof(*P));
- }
- memset(P, 0, sizeof(*P));
-
- fp = fopen(filename, "r");
-
- if (!fp) {
- perror(filename);
- return NULL;
- }
-
- if (!P) {
- P = malloc(sizeof(*P));
- }
- memset(P, 0, sizeof(*P));
-
- P->fp = fp;
- P->fn = strdup(filename);
- P->line = 1;
-
- P->proc = PSI_ParserProcAlloc(malloc);
-
- PSI_ParserFill(P, 0);
-
- return P;
-}
-
-size_t PSI_ParserFill(PSI_Parser *P, size_t n)
-{
- // printf("+ Fill: n=%zu\n", n);
- if (!n) {
- P->cur = P->tok = P->lim = P->mrk = P->buf;
- P->eof = NULL;
- }
-
- if (!P->eof) {
- size_t consumed = P->tok - P->buf;
- size_t reserved = P->lim - P->tok;
- size_t available = BSIZE - reserved;
- size_t didread;
-
- if (consumed) {
- memmove(P->buf, P->tok, reserved);
- P->tok -= consumed;
- P->cur -= consumed;
- P->lim -= consumed;
- P->mrk -= consumed;
- }
-
- didread = fread(P->lim, 1, available, P->fp);
- P->lim += didread;
- if (didread < available) {
- P->eof = P->lim;
- }
-
- // printf("+ Fill: consumed=%zu reserved=%zu available=%zu didread=%zu\n",
- // consumed, reserved, available, didread);
- }
- // printf("+ Fill: avail=%zu\n", P->lim - P->cur);
- return P->lim - P->cur;
-}
-
-void PSI_ParserParse(PSI_Parser *P, PSI_Token *T)
-{
- if (T) {
- PSI_ParserProc(P->proc, T->type, T, P);
- } else {
- PSI_ParserProc(P->proc, 0, NULL, P);
- }
-}
-
-void PSI_ParserDtor(PSI_Parser *P)
-{
- PSI_ParserProcFree(P->proc, free);
-
- if (P->fp) {
- fclose(P->fp);
- }
-
- PSI_DataDtor((PSI_Data *) P);
-
- memset(P, 0, sizeof(*P));
-}
-
-void PSI_ParserFree(PSI_Parser **P)
-{
- if (*P) {
- PSI_ParserDtor(*P);
- free(*P);
- *P = NULL;
- }
-}
-
-/*!max:re2c*/
-#define BSIZE 256
-
-#if BSIZE < YYMAXFILL
-# error BSIZE must be greater than YYMAXFILL
-#endif
-
-#define RETURN(t) do { \
- P->num = t; \
- return t; \
-} while(1)
-
-token_t PSI_ParserScan(PSI_Parser *P)
-{
- for (;;) {
- P->tok = P->cur;
- /*!re2c
- re2c:indent:top = 2;
- re2c:define:YYCTYPE = "unsigned char";
- re2c:define:YYCURSOR = P->cur;
- re2c:define:YYLIMIT = P->lim;
- re2c:define:YYMARKER = P->mrk;
- re2c:define:YYFILL = "{ if (!PSI_ParserFill(P,@@)) RETURN(-1); }";
- re2c:yyfill:parameter = 0;
-
- B = [^a-zA-Z0-9_];
- W = [a-zA-Z0-9_];
- NAME = W+;
- NSNAME = (NAME)? ("\\" NAME)+;
- QUOTED_STRING = "\"" ([^\"])+ "\"";
- NULL = 'NULL';
- MIXED = 'mixed';
- VOID = 'void';
- BOOL = 'bool';
- INT = 'int';
- FLOAT = 'float';
- DOUBLE = 'double';
- SINT8 = 'sint8';
- UINT8 = 'uint8';
- SINT16 = 'sint16';
- UINT16 = 'uint16';
- SINT32 = 'sint32';
- UINT32 = 'uint32';
- SINT64 = 'sint64';
- UINT64 = 'uint64';
- STRING = 'string';
- ARRAY = 'array';
- FUNCTION = 'function';
- TYPEDEF = 'typedef';
- LIB = 'lib';
- LET = 'let';
- SET = 'set';
- RET = 'ret';
- STRVAL = 'strval';
- INTVAL = 'intval';
- FLOATVAL = 'floatval';
- BOOLVAL = 'boolval';
- TO_STRING = 'to_string';
- TO_INT = 'to_int';
- TO_FLOAT = 'to_float';
- TO_BOOL = 'to_bool';
-
- "#" .* "\n" { ++P->line; RETURN(PSI_T_COMMENT);}
- "(" {RETURN(PSI_T_LPAREN);}
- ")" {RETURN(PSI_T_RPAREN);}
- ";" {RETURN(PSI_T_EOS);}
- "," {RETURN(PSI_T_COMMA);}
- ":" {RETURN(PSI_T_COLON);}
- "{" {RETURN(PSI_T_LBRACE);}
- "}" {RETURN(PSI_T_RBRACE);}
- "." {RETURN(PSI_T_DOT);}
- "=" {RETURN(PSI_T_EQUALS);}
- "$" {RETURN(PSI_T_DOLLAR);}
- "*" {RETURN(PSI_T_POINTER);}
- "&" {RETURN(PSI_T_REFERENCE);}
- [\r\n] { ++P->line; continue; }
- [\t ]+ { continue; }
- NULL {RETURN(PSI_T_NULL);}
- MIXED {RETURN(PSI_T_MIXED);}
- VOID {RETURN(PSI_T_VOID);}
- BOOL {RETURN(PSI_T_BOOL);}
- INT {RETURN(PSI_T_INT);}
- FLOAT {RETURN(PSI_T_FLOAT);}
- DOUBLE {RETURN(PSI_T_DOUBLE);}
- SINT8 {RETURN(PSI_T_SINT8);}
- UINT8 {RETURN(PSI_T_UINT8);}
- SINT16 {RETURN(PSI_T_SINT16);}
- UINT16 {RETURN(PSI_T_UINT16);}
- SINT32 {RETURN(PSI_T_SINT32);}
- UINT32 {RETURN(PSI_T_UINT32);}
- SINT64 {RETURN(PSI_T_SINT64);}
- UINT64 {RETURN(PSI_T_UINT64);}
- STRING {RETURN(PSI_T_STRING);}
- ARRAY {RETURN(PSI_T_ARRAY);}
- FUNCTION {RETURN(PSI_T_FUNCTION);}
- TYPEDEF {RETURN(PSI_T_TYPEDEF);}
- LIB {RETURN(PSI_T_LIB);}
- LET {RETURN(PSI_T_LET);}
- SET {RETURN(PSI_T_SET);}
- RET {RETURN(PSI_T_RET);}
- STRVAL {RETURN(PSI_T_STRVAL);}
- INTVAL {RETURN(PSI_T_INTVAL);}
- FLOATVAL {RETURN(PSI_T_FLOATVAL);}
- BOOLVAL {RETURN(PSI_T_BOOLVAL);}
- TO_STRING {RETURN(PSI_T_TO_STRING);}
- TO_INT {RETURN(PSI_T_TO_INT);}
- TO_FLOAT {RETURN(PSI_T_TO_FLOAT);}
- TO_BOOL {RETURN(PSI_T_TO_BOOL);}
- [0-9] {RETURN(PSI_T_DIGIT);}
- NAME {RETURN(PSI_T_NAME);}
- NSNAME {RETURN(PSI_T_NSNAME);}
- QUOTED_STRING {RETURN(PSI_T_QUOTED_STRING);}
- */
- }
- return -1;
-}
projects / m6w6 / ext-psi / blobdiff