+#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);
+ error(NULL, PSI_WARNING, "Could not open '%s' for reading: %s",
+ filename, strerror(errno));
return NULL;
}
P->psi.file.fn = strdup(filename);
P->fp = fp;
+ P->col = 1;
P->line = 1;
P->error = error;
P->flags = flags;
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:%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); \
+ } \
return t; \
} while(1)
+#define ADDCOLS \
+ P->col += P->cur - P->tok
+
+#define NEWLINE \
+ P->col = 1; \
+ ++P->line; \
+ goto nextline
+
token_t PSI_ParserScan(PSI_Parser *P)
{
for (;;) {
+ ADDCOLS;
+ nextline:
P->tok = P->cur;
/*!re2c
re2c:indent:top = 2;
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:define:YYFILL = "{ if (!PSI_ParserFill(P,@@)) RETURN(PSI_T_EOF); }";
re2c:yyfill:parameter = 0;
B = [^a-zA-Z0-9_];
QUOTED_STRING = "\"" ([^\"])+ "\"";
NUMBER = [+-]? [0-9]* "."? [0-9]+ ([eE] [+-]? [0-9]+)?;
- ("#"|"//") .* "\n" { ++P->line; continue;}
+ ("#"|"//") .* "\n" { NEWLINE; }
"(" {RETURN(PSI_T_LPAREN);}
")" {RETURN(PSI_T_RPAREN);}
";" {RETURN(PSI_T_EOS);}
"]" {RETURN(PSI_T_RBRACKET);}
"=" {RETURN(PSI_T_EQUALS);}
"$" {RETURN(PSI_T_DOLLAR);}
- "*" {RETURN(PSI_T_POINTER);}
- "&" {RETURN(PSI_T_REFERENCE);}
- [\r\n] { ++P->line; continue; }
+ "*" {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; }
[\t ]+ { continue; }
'TRUE' {RETURN(PSI_T_TRUE);}
'FALSE' {RETURN(PSI_T_FALSE);}
'MIXED' {RETURN(PSI_T_MIXED);}
'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);}
'UINT32_T' {RETURN(PSI_T_UINT32);}
'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);}
'FUNCTION' {RETURN(PSI_T_FUNCTION);}
'TYPEDEF' {RETURN(PSI_T_TYPEDEF);}
'STRUCT' {RETURN(PSI_T_STRUCT);}
+ 'ENUM' {RETURN(PSI_T_ENUM);}
'CONST' {RETURN(PSI_T_CONST);}
'LIB' {RETURN(PSI_T_LIB);}
'LET' {RETURN(PSI_T_LET);}
'SET' {RETURN(PSI_T_SET);}
'RETURN' {RETURN(PSI_T_RETURN);}
'FREE' {RETURN(PSI_T_FREE);}
+ 'TEMP' {RETURN(PSI_T_TEMP);}
'STRLEN' {RETURN(PSI_T_STRLEN);}
'STRVAL' {RETURN(PSI_T_STRVAL);}
+ 'PATHVAL' {RETURN(PSI_T_PATHVAL);}
'INTVAL' {RETURN(PSI_T_INTVAL);}
'FLOATVAL' {RETURN(PSI_T_FLOATVAL);}
'BOOLVAL' {RETURN(PSI_T_BOOLVAL);}
'ARRVAL' {RETURN(PSI_T_ARRVAL);}
+ 'OBJVAL' {RETURN(PSI_T_OBJVAL);}
'CALLOC' {RETURN(PSI_T_CALLOC);}
+ 'TO_OBJECT' {RETURN(PSI_T_TO_OBJECT);}
'TO_ARRAY' {RETURN(PSI_T_TO_ARRAY);}
'TO_STRING' {RETURN(PSI_T_TO_STRING);}
'TO_INT' {RETURN(PSI_T_TO_INT);}
projects / m6w6 / ext-psi / blobdiff