+#include <stddef.h>
#include <stdio.h>
#include <assert.h>
+#include <errno.h>
+#include <string.h>
#include "parser.h"
#include "parser_proc.h"
{
FILE *fp;
- if (!P) {
- P = malloc(sizeof(*P));
- }
- memset(P, 0, sizeof(*P));
-
fp = fopen(filename, "r");
if (!fp) {
- perror(filename);
+ if (!(flags & PSI_PARSER_SILENT)) {
+ error(NULL, NULL, PSI_WARNING, "Could not open '%s' for reading: %s",
+ filename, strerror(errno));
+ }
return NULL;
}
return P;
}
-void PSI_ParserSyntaxError(PSI_Parser *P, const char *fn, size_t ln, const char *msg, ...) {
- char buf[0x1000] = {0};
- va_list argv;
-
- va_start(argv, msg);
- vsnprintf(buf, 0x1000-1, msg, argv);
- va_end(argv);
-
- P->error(PSI_WARNING, "PSI syntax error on line %zu in '%s'%s%s",
- ln, fn, msg ? ": ": "", buf);
-
- ++P->errors;
-}
-
size_t PSI_ParserFill(PSI_Parser *P, size_t n)
{
if (P->flags & PSI_PARSER_DEBUG) {
# error BSIZE must be greater than YYMAXFILL
#endif
-#define PSI_T(n) \
-(n) == PSI_T_NAME ? "NAME" : \
-(n) == PSI_T_PLUS ? "PLUS" : \
-(n) == PSI_T_MINUS ? "MINUS" : \
-(n) == PSI_T_SLASH ? "SLASH" : \
-(n) == PSI_T_ASTERISK ? "ASTERISK" : \
-(n) == PSI_T_TEMP ? "TEMP" : \
-(n) == PSI_T_FREE ? "FREE" : \
-(n) == PSI_T_SET ? "SET" : \
-(n) == PSI_T_LET ? "LET" : \
-(n) == PSI_T_RETURN ? "RETURN" : \
-(n) == PSI_T_LIB ? "LIB" : \
-(n) == PSI_T_INT ? "INT" : \
-(n) == PSI_T_UNSIGNED ? "UNSIGNED" : \
-(n) == PSI_T_EOF ? "EOF" : \
-(n) == PSI_T_QUOTED_STRING ? "QUOTED_STRING" : \
-(n) == PSI_T_EOS ? "EOS" : \
-(n) == PSI_T_STRUCT ? "STRUCT" : \
-(n) == PSI_T_LBRACE ? "LBRACE" : \
-(n) == PSI_T_RBRACE ? "RBRACE" : \
-(n) == PSI_T_COLON ? "COLON" : \
-(n) == PSI_T_LPAREN ? "LPAREN" : \
-(n) == PSI_T_NUMBER ? "NUMBER" : \
-(n) == PSI_T_RPAREN ? "RPAREN" : \
-(n) == PSI_T_BOOL ? "BOOL" : \
-(n) == PSI_T_FLOAT ? "FLOAT" : \
-(n) == PSI_T_STRING ? "STRING" : \
-(n) == PSI_T_CONST ? "CONST" : \
-(n) == PSI_T_NSNAME ? "NSNAME" : \
-(n) == PSI_T_EQUALS ? "EQUALS" : \
-(n) == PSI_T_TYPEDEF ? "TYPEDEF" : \
-(n) == PSI_T_VOID ? "VOID" : \
-(n) == PSI_T_LBRACKET ? "LBRACKET" : \
-(n) == PSI_T_RBRACKET ? "RBRACKET" : \
-(n) == PSI_T_COMMA ? "COMMA" : \
-(n) == PSI_T_ELLIPSIS ? "ELLIPSIS" : \
-(n) == PSI_T_DOUBLE ? "DOUBLE" : \
-(n) == PSI_T_INT8 ? "INT8" : \
-(n) == PSI_T_UINT8 ? "UINT8" : \
-(n) == PSI_T_INT16 ? "INT16" : \
-(n) == PSI_T_UINT16 ? "UINT16" : \
-(n) == PSI_T_INT32 ? "INT32" : \
-(n) == PSI_T_UINT32 ? "UINT32" : \
-(n) == PSI_T_INT64 ? "INT64" : \
-(n) == PSI_T_UINT64 ? "UINT64" : \
-(n) == PSI_T_FUNCTION ? "FUNCTION" : \
-(n) == PSI_T_NULL ? "NULL" : \
-(n) == PSI_T_TRUE ? "TRUE" : \
-(n) == PSI_T_FALSE ? "FALSE" : \
-(n) == PSI_T_DOLLAR ? "DOLLAR" : \
-(n) == PSI_T_CALLOC ? "CALLOC" : \
-(n) == PSI_T_OBJVAL ? "OBJVAL" : \
-(n) == PSI_T_ARRVAL ? "ARRVAL" : \
-(n) == PSI_T_PATHVAL ? "PATHVAL" : \
-(n) == PSI_T_STRLEN ? "STRLEN" : \
-(n) == PSI_T_STRVAL ? "STRVAL" : \
-(n) == PSI_T_FLOATVAL ? "FLOATVAL" : \
-(n) == PSI_T_INTVAL ? "INTVAL" : \
-(n) == PSI_T_BOOLVAL ? "BOOLVAL" : \
-(n) == PSI_T_TO_OBJECT ? "TO_OBJECT" : \
-(n) == PSI_T_TO_ARRAY ? "TO_ARRAY" : \
-(n) == PSI_T_TO_STRING ? "TO_STRING" : \
-(n) == PSI_T_TO_INT ? "TO_INT" : \
-(n) == PSI_T_TO_FLOAT ? "TO_FLOAT" : \
-(n) == PSI_T_TO_BOOL ? "TO_BOOL" : \
-(n) == PSI_T_MIXED ? "MIXED" : \
-(n) == PSI_T_ARRAY ? "ARRAY" : \
-(n) == PSI_T_OBJECT ? "OBJECT" : \
-(n) == PSI_T_AMPERSAND ? "AMPERSAND" : \
-<UNKNOWN>
-
#define RETURN(t) do { \
P->num = t; \
if (P->flags & PSI_PARSER_DEBUG) { \
- fprintf(stderr, "PSI> TOKEN: %d %.*s (EOF=%d %s:%zu:%zu)\n", \
+ fprintf(stderr, "PSI> TOKEN: %d %.*s (EOF=%d %s:%u:%u)\n", \
P->num, (int) (P->cur-P->tok), P->tok, P->num == PSI_T_EOF, \
P->psi.file.fn, P->line, P->col); \
} \
#define ADDCOLS \
P->col += P->cur - P->tok
-#define NEWLINE \
+#define NEWLINE(label) \
P->col = 1; \
++P->line; \
- goto nextline
+ goto label
token_t PSI_ParserScan(PSI_Parser *P)
{
W = [a-zA-Z0-9_];
NAME = [a-zA-Z_]W*;
NSNAME = (NAME)? ("\\" NAME)+;
+ DOLLAR_NAME = '$' NAME;
QUOTED_STRING = "\"" ([^\"])+ "\"";
NUMBER = [+-]? [0-9]* "."? [0-9]+ ([eE] [+-]? [0-9]+)?;
- ("#"|"//") .* "\n" { NEWLINE; }
+ "/*" { goto comment; }
+ ("#"|"//") .* "\n" { NEWLINE(nextline); }
"(" {RETURN(PSI_T_LPAREN);}
")" {RETURN(PSI_T_RPAREN);}
";" {RETURN(PSI_T_EOS);}
"[" {RETURN(PSI_T_LBRACKET);}
"]" {RETURN(PSI_T_RBRACKET);}
"=" {RETURN(PSI_T_EQUALS);}
- "$" {RETURN(PSI_T_DOLLAR);}
"*" {RETURN(PSI_T_ASTERISK);}
"&" {RETURN(PSI_T_AMPERSAND);}
"+" {RETURN(PSI_T_PLUS);}
"-" {RETURN(PSI_T_MINUS);}
"/" {RETURN(PSI_T_SLASH);}
"..." {RETURN(PSI_T_ELLIPSIS);}
- [\r\n] { NEWLINE; }
+ [\r\n] { NEWLINE(nextline); }
[\t ]+ { continue; }
'TRUE' {RETURN(PSI_T_TRUE);}
'FALSE' {RETURN(PSI_T_FALSE);}
'NULL' {RETURN(PSI_T_NULL);}
'MIXED' {RETURN(PSI_T_MIXED);}
+ 'CALLABLE' {RETURN(PSI_T_CALLABLE);}
'VOID' {RETURN(PSI_T_VOID);}
'BOOL' {RETURN(PSI_T_BOOL);}
+ 'CHAR' {RETURN(PSI_T_CHAR);}
+ 'SHORT' {RETURN(PSI_T_SHORT);}
'INT' {RETURN(PSI_T_INT);}
+ 'LONG' {RETURN(PSI_T_LONG);}
'FLOAT' {RETURN(PSI_T_FLOAT);}
'DOUBLE' {RETURN(PSI_T_DOUBLE);}
'INT8_T' {RETURN(PSI_T_INT8);}
'INT64_T' {RETURN(PSI_T_INT64);}
'UINT64_T' {RETURN(PSI_T_UINT64);}
'UNSIGNED' {RETURN(PSI_T_UNSIGNED);}
+ 'SIGNED' {RETURN(PSI_T_SIGNED);}
'STRING' {RETURN(PSI_T_STRING);}
'ARRAY' {RETURN(PSI_T_ARRAY);}
'OBJECT' {RETURN(PSI_T_OBJECT);}
+ 'CALLBACK' {RETURN(PSI_T_CALLBACK);}
'FUNCTION' {RETURN(PSI_T_FUNCTION);}
'TYPEDEF' {RETURN(PSI_T_TYPEDEF);}
'STRUCT' {RETURN(PSI_T_STRUCT);}
+ 'UNION' {RETURN(PSI_T_UNION);}
+ 'ENUM' {RETURN(PSI_T_ENUM);}
'CONST' {RETURN(PSI_T_CONST);}
'LIB' {RETURN(PSI_T_LIB);}
'LET' {RETURN(PSI_T_LET);}
'BOOLVAL' {RETURN(PSI_T_BOOLVAL);}
'ARRVAL' {RETURN(PSI_T_ARRVAL);}
'OBJVAL' {RETURN(PSI_T_OBJVAL);}
+ 'ZVAL' {RETURN(PSI_T_ZVAL);}
'CALLOC' {RETURN(PSI_T_CALLOC);}
'TO_OBJECT' {RETURN(PSI_T_TO_OBJECT);}
'TO_ARRAY' {RETURN(PSI_T_TO_ARRAY);}
NUMBER {RETURN(PSI_T_NUMBER);}
NAME {RETURN(PSI_T_NAME);}
NSNAME {RETURN(PSI_T_NSNAME);}
+ DOLLAR_NAME {RETURN(PSI_T_DOLLAR_NAME);}
QUOTED_STRING {RETURN(PSI_T_QUOTED_STRING);}
[^] {break;}
*/
+
+ comment:
+ P->tok = P->cur;
+ /*!re2c
+ "\n" { NEWLINE(comment); }
+ "*" "/" { continue; }
+ [^] { goto comment; }
+ */
}
return -1;
}
projects / m6w6 / ext-psi / blobdiff