X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Fparser.re;h=5b7e80e83c24d81a36892167a51bbd6094704351;hb=9bd48d16d68944f3a1e9366fe8c6f3c6d985bf56;hp=69e76c8f124244f9c7920844569dfa5da11c3a80;hpb=e16c15d5936c3b57b05e49570fb9526920de8188;p=m6w6%2Fext-psi

diff --git a/src/parser.re b/src/parser.re
index 69e76c8..5b7e80e 100644
--- a/src/parser.re
+++ b/src/parser.re
@@ -1,5 +1,8 @@
+#include <stddef.h>
 #include <stdio.h>
 #include <assert.h>
+#include <errno.h>
+#include <string.h>
 
 #include "parser.h"
 #include "parser_proc.h"
@@ -13,15 +16,11 @@ PSI_Parser *PSI_ParserInit(PSI_Parser *P, const char *filename, psi_error_cb err
 {
 	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;
 	}
 
@@ -47,20 +46,6 @@ PSI_Parser *PSI_ParserInit(PSI_Parser *P, const char *filename, psi_error_cb err
 	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) {
@@ -214,7 +199,7 @@ void PSI_ParserFree(PSI_Parser **P)
 #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); \
 	} \
@@ -224,10 +209,10 @@ void PSI_ParserFree(PSI_Parser **P)
 #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)
 {
@@ -251,7 +236,8 @@ token_t PSI_ParserScan(PSI_Parser *P)
 		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);}
@@ -269,7 +255,7 @@ token_t PSI_ParserScan(PSI_Parser *P)
 		"-" {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);}
@@ -277,7 +263,10 @@ token_t PSI_ParserScan(PSI_Parser *P)
 		'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);}
@@ -289,12 +278,15 @@ token_t PSI_ParserScan(PSI_Parser *P)
 		'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);}
+		'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);}
@@ -323,6 +315,14 @@ token_t PSI_ParserScan(PSI_Parser *P)
 		QUOTED_STRING {RETURN(PSI_T_QUOTED_STRING);}
 		[^] {break;}
 		*/
+
+	comment:
+		P->tok = P->cur;
+		/*!re2c
+		"\n" { NEWLINE(comment); }
+		"*" "/" { continue; }
+		[^] { goto comment; }
+		*/
 	}
 	return -1;
 }