Remove trailing whitespace

[xonotic/gmqcc.git] / lexer.c

diff --git a/lexer.c b/lexer.c
index c8001d6b303790c80fd4656911a494ae43a7a424..db0a8f4d9bf541bdd25597c5047e040d7dc36fc5 100644 (file)
--- a/lexer.c
+++ b/lexer.c
@@ -184,7 +184,7 @@ static void lex_token_new(lex_file *lex)
 lex_file* lex_open(const char *file)
 {
     lex_file *lex;
-    FILE *in = file_open(file, "rb");
+    FILE *in = fs_file_open(file, "rb");
 
     if (!in) {
         lexerror(NULL, "open failed: '%s'\n", file);
@@ -193,7 +193,7 @@ lex_file* lex_open(const char *file)
 
     lex = (lex_file*)mem_a(sizeof(*lex));
     if (!lex) {
-        file_close(in);
+        fs_file_close(in);
         lexerror(NULL, "out of memory\n");
         return NULL;
     }
@@ -258,7 +258,7 @@ void lex_close(lex_file *lex)
         vec_free(lex->modelname);
 
     if (lex->file)
-        file_close(lex->file);
+        fs_file_close(lex->file);
 #if 0
     if (lex->tok)
         token_delete(lex->tok);
@@ -272,7 +272,7 @@ void lex_close(lex_file *lex)
 static int lex_fgetc(lex_file *lex)
 {
     if (lex->file)
-        return fgetc(lex->file);
+        return fs_file_getc(lex->file);
     if (lex->open_string) {
         if (lex->open_string_pos >= lex->open_string_length)
             return EOF;
@@ -483,6 +483,9 @@ static bool lex_try_pragma(lex_file *lex)
     lex->line = line;
     while (ch != '\n' && ch != EOF)
         ch = lex_getch(lex);
+    vec_free(command);
+    vec_free(param);
+    vec_free(pragma);
     return true;
 
 unroll:
@@ -495,13 +498,13 @@ unroll:
         vec_free(command);
         lex_ungetch(lex, ' ');
     }
-    if (command) {
-        vec_pop(command);
-        while (vec_size(command)) {
-            lex_ungetch(lex, (unsigned char)vec_last(command));
-            vec_pop(command);
+    if (param) {
+        vec_pop(param);
+        while (vec_size(param)) {
+            lex_ungetch(lex, (unsigned char)vec_last(param));
+            vec_pop(param);
         }
-        vec_free(command);
+        vec_free(param);
         lex_ungetch(lex, ' ');
     }
     if (pragma) {
@@ -992,6 +995,8 @@ int lex_do(lex_file *lex)
         if (!lex->flags.mergelines || ch != '\\')
             break;
         ch = lex_getch(lex);
+        if (ch == '\r')
+            ch = lex_getch(lex);
         if (ch != '\n') {
             lex_ungetch(lex, ch);
             ch = '\\';
@@ -1288,15 +1293,23 @@ int lex_do(lex_file *lex)
     }
 
     if (ch == '+' || ch == '-' || /* ++, --, +=, -=  and -> as well! */
-        ch == '>' || ch == '<' || /* <<, >>, <=, >= */
-        ch == '=' || ch == '!' || /* ==, != */
-        ch == '&' || ch == '|')   /* &&, ||, &=, |= */
-    {
+        ch == '>' || ch == '<' || /* <<, >>, <=, >=                  */
+        ch == '=' || ch == '!' || /* <=>, ==, !=                     */
+        ch == '&' || ch == '|' || /* &&, ||, &=, |=                  */
+        ch == '~'                 /* ~=, ~                           */
+    )  {
         lex_tokench(lex, ch);
 
         nextch = lex_getch(lex);
-        if (nextch == '=' || (nextch == ch && ch != '!')) {
+        if ((nextch == '=' && ch != '<') || (nextch == ch && ch != '!')) {
+            lex_tokench(lex, nextch);
+        } else if (ch == '<' && nextch == '=') {
             lex_tokench(lex, nextch);
+            if ((thirdch = lex_getch(lex)) == '>')
+                lex_tokench(lex, thirdch);
+            else
+                lex_ungetch(lex, thirdch);
+
         } else if (ch == '-' && nextch == '>') {
             lex_tokench(lex, nextch);
         } else if (ch == '&' && nextch == '~') {
@@ -1320,8 +1333,9 @@ int lex_do(lex_file *lex)
                 lex->tok.constval.f = -lex->tok.constval.f;
             lex_endtoken(lex);
             return lex->tok.ttype;
-        } else
+        } else {
             lex_ungetch(lex, nextch);
+        }
 
         lex_endtoken(lex);
         return (lex->tok.ttype = TOKEN_OPERATOR);
@@ -1341,7 +1355,7 @@ int lex_do(lex_file *lex)
         lex_tokench(lex, ch);
 
         nextch = lex_getch(lex);
-        if (nextch == '=') {
+        if (nextch == '=' || nextch == '*') {
             lex_tokench(lex, nextch);
         } else
             lex_ungetch(lex, nextch);
@@ -1350,6 +1364,12 @@ int lex_do(lex_file *lex)
         return (lex->tok.ttype = TOKEN_OPERATOR);
     }
 
+    if (ch == '%') {
+        lex_tokench(lex, ch);
+        lex_endtoken(lex);
+        return (lex->tok.ttype = TOKEN_OPERATOR);
+    }
+
     if (isident_start(ch))
     {
         const char *v;
@@ -1387,7 +1407,7 @@ int lex_do(lex_file *lex)
                 if (!strcmp(v, keywords_qc[kw]))
                     return (lex->tok.ttype = TOKEN_KEYWORD);
             }
-            if (OPTION_VALUE_U32(OPTION_STANDARD) != COMPILER_QCC) {
+            if (OPTS_OPTION_U32(OPTION_STANDARD) != COMPILER_QCC) {
                 for (kw = 0; kw < num_keywords_fg; ++kw) {
                     if (!strcmp(v, keywords_fg[kw]))
                         return (lex->tok.ttype = TOKEN_KEYWORD);
@@ -1484,6 +1504,6 @@ int lex_do(lex_file *lex)
         return (lex->tok.ttype = ch);
     }
 
-    lexerror(lex, "unknown token");
+    lexerror(lex, "unknown token: `%s`", lex->tok.value);
     return (lex->tok.ttype = TOKEN_ERROR);
 }