X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=lexer.c;h=c6e8552c063a89df6cf23a9ac411afe23653f9eb;hb=5778b6ffb60296c5081fda4aa62bd566add98d0e;hp=8485192e5ea730b274b738217c6f7f0f762fdfdd;hpb=6204c8c956cbf9ab604a88bd9781f4b4fc7a2afa;p=xonotic%2Fgmqcc.git

diff --git a/lexer.c b/lexer.c
index 8485192..c6e8552 100644
--- a/lexer.c
+++ b/lexer.c
@@ -6,36 +6,63 @@
 #include "gmqcc.h"
 #include "lexer.h"
 
-MEM_VEC_FUNCTIONS(token, char, value)
-MEM_VEC_FUNCTIONS(lex_file, frame_macro, frames)
+/*
+ * List of Keywords
+ */
+
+/* original */
+static const char *keywords_qc[] = {
+    "for", "do", "while",
+    "if", "else",
+    "local",
+    "return",
+    "const"
+};
+static size_t num_keywords_qc = sizeof(keywords_qc) / sizeof(keywords_qc[0]);
+
+/* For fte/gmgqcc */
+static const char *keywords_fg[] = {
+    "var",
+    "switch", "case", "default",
+    "struct", "union",
+    "break", "continue"
+};
+static size_t num_keywords_fg = sizeof(keywords_fg) / sizeof(keywords_fg[0]);
+
+/*
+ * Lexer code
+ */
 
-VECTOR_MAKE(char*, lex_filenames);
+char* *lex_filenames;
 
 void lexerror(lex_file *lex, const char *fmt, ...)
 {
-	va_list ap;
+    va_list ap;
 
-	va_start(ap, fmt);
-    vprintmsg(LVL_ERROR, lex->name, lex->sline, "parse error", fmt, ap);
-	va_end(ap);
+    va_start(ap, fmt);
+    if (lex)
+        con_vprintmsg(LVL_ERROR, lex->name, lex->sline, "parse error", fmt, ap);
+    else
+        con_vprintmsg(LVL_ERROR, "", 0, "parse error", fmt, ap);
+    va_end(ap);
 }
 
 bool lexwarn(lex_file *lex, int warntype, const char *fmt, ...)
 {
-	va_list ap;
-	int lvl = LVL_WARNING;
+    va_list ap;
+    int lvl = LVL_WARNING;
 
     if (!OPTS_WARN(warntype))
         return false;
 
     if (opts_werror)
-	    lvl = LVL_ERROR;
+        lvl = LVL_ERROR;
 
-	va_start(ap, fmt);
-    vprintmsg(lvl, lex->name, lex->sline, "warning", fmt, ap);
-	va_end(ap);
+    va_start(ap, fmt);
+    con_vprintmsg(lvl, lex->name, lex->sline, "warning", fmt, ap);
+    va_end(ap);
 
-	return opts_werror;
+    return opts_werror;
 }
 
 
@@ -123,7 +150,8 @@ static void lex_token_new(lex_file *lex)
         token_delete(lex->tok);
     lex->tok = token_new();
 #else
-    lex->tok.value_count = 0;
+    if (lex->tok.value)
+        vec_shrinkto(lex->tok.value, 0);
     lex->tok.constval.t  = 0;
     lex->tok.ctx.line = lex->sline;
     lex->tok.ctx.file = lex->name;
@@ -157,8 +185,7 @@ lex_file* lex_open(const char *file)
     lex->peekpos = 0;
     lex->eof = false;
 
-    lex_filenames_add(lex->name);
-
+    vec_push(lex_filenames, lex->name);
     return lex;
 }
 
@@ -185,7 +212,7 @@ lex_file* lex_open_string(const char *str, size_t len, const char *name)
     lex->peekpos = 0;
     lex->eof = false;
 
-    lex_filenames_add(lex->name);
+    vec_push(lex_filenames, lex->name);
 
     return lex;
 }
@@ -193,20 +220,20 @@ lex_file* lex_open_string(const char *str, size_t len, const char *name)
 void lex_cleanup(void)
 {
     size_t i;
-    for (i = 0; i < lex_filenames_elements; ++i)
-        mem_d(lex_filenames_data[i]);
-    mem_d(lex_filenames_data);
+    for (i = 0; i < vec_size(lex_filenames); ++i)
+        mem_d(lex_filenames[i]);
+    vec_free(lex_filenames);
 }
 
 void lex_close(lex_file *lex)
 {
     size_t i;
-    for (i = 0; i < lex->frames_count; ++i)
+    for (i = 0; i < vec_size(lex->frames); ++i)
         mem_d(lex->frames[i].name);
-    MEM_VECTOR_CLEAR(lex, frames);
+    vec_free(lex->frames);
 
     if (lex->modelname)
-        mem_d(lex->modelname);
+        vec_free(lex->modelname);
 
     if (lex->file)
         fclose(lex->file);
@@ -214,7 +241,7 @@ void lex_close(lex_file *lex)
     if (lex->tok)
         token_delete(lex->tok);
 #else
-    MEM_VECTOR_CLEAR(&(lex->tok), value);
+    vec_free(lex->tok.value);
 #endif
     /* mem_d(lex->name); collected in lex_filenames */
     mem_d(lex);
@@ -289,13 +316,13 @@ static int lex_getch(lex_file *lex)
 
     if (lex->peekpos) {
         lex->peekpos--;
-        if (lex->peek[lex->peekpos] == '\n')
+        if (!lex->push_line && lex->peek[lex->peekpos] == '\n')
             lex->line++;
         return lex->peek[lex->peekpos];
     }
 
     ch = lex_fgetc(lex);
-    if (ch == '\n')
+    if (!lex->push_line && ch == '\n')
         lex->line++;
     else if (ch == '?')
         return lex_try_trigraph(lex, ch);
@@ -307,7 +334,7 @@ static int lex_getch(lex_file *lex)
 static void lex_ungetch(lex_file *lex, int ch)
 {
     lex->peek[lex->peekpos++] = ch;
-    if (ch == '\n')
+    if (!lex->push_line && ch == '\n')
         lex->line--;
 }
 
@@ -335,24 +362,125 @@ static bool isxdigit_only(int ch)
 }
 
 /* Append a character to the token buffer */
-static bool GMQCC_WARN lex_tokench(lex_file *lex, int ch)
+static void lex_tokench(lex_file *lex, int ch)
 {
-    if (!token_value_add(&lex->tok, ch)) {
-        lexerror(lex, "out of memory");
-        return false;
-    }
-    return true;
+    vec_push(lex->tok.value, ch);
 }
 
 /* Append a trailing null-byte */
-static bool GMQCC_WARN lex_endtoken(lex_file *lex)
+static void lex_endtoken(lex_file *lex)
 {
-    if (!token_value_add(&lex->tok, 0)) {
-        lexerror(lex, "out of memory");
+    vec_push(lex->tok.value, 0);
+    vec_shrinkby(lex->tok.value, 1);
+}
+
+static bool lex_try_pragma(lex_file *lex)
+{
+    int ch;
+    char *pragma  = NULL;
+    char *command = NULL;
+    char *param   = NULL;
+    size_t line;
+
+    if (lex->flags.preprocessing)
         return false;
+
+    line = lex->line;
+
+    ch = lex_getch(lex);
+    if (ch != '#') {
+        lex_ungetch(lex, ch);
+        return false;
+    }
+
+    for (ch = lex_getch(lex); vec_size(pragma) < 8 && ch >= 'a' && ch <= 'z'; ch = lex_getch(lex))
+        vec_push(pragma, ch);
+    vec_push(pragma, 0);
+
+    if (ch != ' ' || strcmp(pragma, "pragma")) {
+        lex_ungetch(lex, ch);
+        goto unroll;
+    }
+
+    for (ch = lex_getch(lex); vec_size(command) < 32 && ch >= 'a' && ch <= 'z'; ch = lex_getch(lex))
+        vec_push(command, ch);
+    vec_push(command, 0);
+
+    if (ch != '(') {
+        lex_ungetch(lex, ch);
+        goto unroll;
     }
-    lex->tok.value_count--;
+
+    for (ch = lex_getch(lex); vec_size(param) < 32 && ch != ')' && ch != '\n'; ch = lex_getch(lex))
+        vec_push(param, ch);
+    vec_push(param, 0);
+
+    if (ch != ')') {
+        lex_ungetch(lex, ch);
+        goto unroll;
+    }
+
+    if (!strcmp(command, "push")) {
+        if (!strcmp(param, "line")) {
+            lex->push_line++;
+            --line;
+        }
+        else
+            goto unroll;
+    }
+    else if (!strcmp(command, "pop")) {
+        if (!strcmp(param, "line")) {
+            if (lex->push_line)
+                lex->push_line--;
+            --line;
+        }
+        else
+            goto unroll;
+    }
+    else if (!strcmp(command, "file")) {
+        lex->name = util_strdup(param);
+        vec_push(lex_filenames, lex->name);
+    }
+    else if (!strcmp(command, "line")) {
+        line = strtol(param, NULL, 0)-1;
+    }
+    else
+        goto unroll;
+
+    lex->line = line;
+    while (ch != '\n' && ch != EOF)
+        ch = lex_getch(lex);
     return true;
+
+unroll:
+    if (command) {
+        vec_pop(command);
+        while (vec_size(command)) {
+            lex_ungetch(lex, vec_last(command));
+            vec_pop(command);
+        }
+        vec_free(command);
+    }
+    if (command) {
+        vec_pop(command);
+        while (vec_size(command)) {
+            lex_ungetch(lex, vec_last(command));
+            vec_pop(command);
+        }
+        vec_free(command);
+    }
+    if (pragma) {
+        vec_pop(pragma);
+        while (vec_size(pragma)) {
+            lex_ungetch(lex, vec_last(pragma));
+            vec_pop(pragma);
+        }
+        vec_free(pragma);
+    }
+    lex_ungetch(lex, '#');
+
+    lex->line = line;
+    return false;
 }
 
 /* Skip whitespace and comments and return the first
@@ -396,22 +524,24 @@ static int lex_skipwhite(lex_file *lex)
     {
         ch = lex_getch(lex);
         while (ch != EOF && isspace(ch)) {
+            if (ch == '\n') {
+                if (lex_try_pragma(lex))
+                    continue;
+            }
             if (lex->flags.preprocessing) {
                 if (ch == '\n') {
                     /* end-of-line */
                     /* see if there was whitespace first */
-                    if (haswhite) { /* (lex->tok.value_count) { */
+                    if (haswhite) { /* (vec_size(lex->tok.value)) { */
                         lex_ungetch(lex, ch);
-                        if (!lex_endtoken(lex))
-                            return TOKEN_FATAL;
+                        lex_endtoken(lex);
                         return TOKEN_WHITE;
                     }
                     /* otherwise return EOL */
                     return TOKEN_EOL;
                 }
                 haswhite = true;
-                if (!lex_tokench(lex, ch))
-                    return TOKEN_FATAL;
+                lex_tokench(lex, ch);
             }
             ch = lex_getch(lex);
         }
@@ -425,22 +555,22 @@ static int lex_skipwhite(lex_file *lex)
 
                 if (lex->flags.preprocessing) {
                     haswhite = true;
-                    if (!lex_tokench(lex, '/') ||
-                        !lex_tokench(lex, '/'))
-                    {
-                        return TOKEN_FATAL;
-                    }
+                    /*
+                    lex_tokench(lex, '/');
+                    lex_tokench(lex, '/');
+                    */
+                    lex_tokench(lex, ' ');
+                    lex_tokench(lex, ' ');
                 }
 
                 while (ch != EOF && ch != '\n') {
-                    if (lex->flags.preprocessing && !lex_tokench(lex, ch))
-                        return TOKEN_FATAL;
+                    if (lex->flags.preprocessing)
+                        lex_tokench(lex, ' '); /* ch); */
                     ch = lex_getch(lex);
                 }
                 if (lex->flags.preprocessing) {
                     lex_ungetch(lex, '\n');
-                    if (!lex_endtoken(lex))
-                        return TOKEN_FATAL;
+                    lex_endtoken(lex);
                     return TOKEN_WHITE;
                 }
                 continue;
@@ -450,11 +580,12 @@ static int lex_skipwhite(lex_file *lex)
                 /* multiline comment */
                 if (lex->flags.preprocessing) {
                     haswhite = true;
-                    if (!lex_tokench(lex, '/') ||
-                        !lex_tokench(lex, '*'))
-                    {
-                        return TOKEN_FATAL;
-                    }
+                    /*
+                    lex_tokench(lex, '/');
+                    lex_tokench(lex, '*');
+                    */
+                    lex_tokench(lex, ' ');
+                    lex_tokench(lex, ' ');
                 }
 
                 while (ch != EOF)
@@ -464,18 +595,18 @@ static int lex_skipwhite(lex_file *lex)
                         ch = lex_getch(lex);
                         if (ch == '/') {
                             if (lex->flags.preprocessing) {
-                                if (!lex_tokench(lex, '*') ||
-                                    !lex_tokench(lex, '/'))
-                                {
-                                    return TOKEN_FATAL;
-                                }
+                                /*
+                                lex_tokench(lex, '*');
+                                lex_tokench(lex, '/');
+                                */
+                                lex_tokench(lex, ' ');
+                                lex_tokench(lex, ' ');
                             }
                             break;
                         }
                     }
                     if (lex->flags.preprocessing) {
-                        if (!lex_tokench(lex, ch))
-                            return TOKEN_FATAL;
+                        lex_tokench(lex, ' '); /* ch); */
                     }
                 }
                 ch = ' '; /* cause TRUE in the isspace check */
@@ -489,8 +620,7 @@ static int lex_skipwhite(lex_file *lex)
     } while (ch != EOF && isspace(ch));
 
     if (haswhite) {
-        if (!lex_endtoken(lex))
-            return TOKEN_FATAL;
+        lex_endtoken(lex);
         lex_ungetch(lex, ch);
         return TOKEN_WHITE;
     }
@@ -505,8 +635,7 @@ static bool GMQCC_WARN lex_finish_ident(lex_file *lex)
     ch = lex_getch(lex);
     while (ch != EOF && isident(ch))
     {
-        if (!lex_tokench(lex, ch))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_tokench(lex, ch);
         ch = lex_getch(lex);
     }
 
@@ -535,12 +664,10 @@ static int lex_parse_frame(lex_file *lex)
         return -1;
     }
 
-    if (!lex_tokench(lex, ch))
-        return -1;
+    lex_tokench(lex, ch);
     if (!lex_finish_ident(lex))
         return -1;
-    if (!lex_endtoken(lex))
-        return -1;
+    lex_endtoken(lex);
     return 0;
 }
 
@@ -558,7 +685,7 @@ static bool lex_finish_frames(lex_file *lex)
         if (rc < 0) /* error */
             return false;
 
-        for (i = 0; i < lex->frames_count; ++i) {
+        for (i = 0; i < vec_size(lex->frames); ++i) {
             if (!strcmp(lex->tok.value, lex->frames[i].name)) {
                 lex->frames[i].value = lex->framevalue++;
                 if (lexwarn(lex, WARN_FRAME_MACROS, "duplicate frame macro defined: `%s`", lex->tok.value))
@@ -566,17 +693,13 @@ static bool lex_finish_frames(lex_file *lex)
                 break;
             }
         }
-        if (i < lex->frames_count)
+        if (i < vec_size(lex->frames))
             continue;
 
         m.value = lex->framevalue++;
-        m.name = lex->tok.value;
-        lex->tok.value = NULL;
-        lex->tok.value_alloc = lex->tok.value_count = 0;
-        if (!lex_file_frames_add(lex, m)) {
-            lexerror(lex, "out of memory");
-            return false;
-        }
+        m.name = util_strdup(lex->tok.value);
+        vec_shrinkto(lex->tok.value, 0);
+        vec_push(lex->frames, m);
     } while (true);
 }
 
@@ -590,7 +713,17 @@ static int GMQCC_WARN lex_finish_string(lex_file *lex, int quote)
         if (ch == quote)
             return TOKEN_STRINGCONST;
 
-        if (!lex->flags.preprocessing && ch == '\\') {
+        if (lex->flags.preprocessing && ch == '\\') {
+            lex_tokench(lex, ch);
+            ch = lex_getch(lex);
+            if (ch == EOF) {
+                lexerror(lex, "unexpected end of file");
+                lex_ungetch(lex, EOF); /* next token to be TOKEN_EOF */
+                return (lex->tok.ttype = TOKEN_ERROR);
+            }
+            lex_tokench(lex, ch);
+        }
+        else if (ch == '\\') {
             ch = lex_getch(lex);
             if (ch == EOF) {
                 lexerror(lex, "unexpected end of file");
@@ -600,6 +733,8 @@ static int GMQCC_WARN lex_finish_string(lex_file *lex, int quote)
 
             switch (ch) {
             case '\\': break;
+            case '\'': break;
+            case '"':  break;
             case 'a':  ch = '\a'; break;
             case 'b':  ch = '\b'; break;
             case 'r':  ch = '\r'; break;
@@ -610,15 +745,13 @@ static int GMQCC_WARN lex_finish_string(lex_file *lex, int quote)
             default:
                 lexwarn(lex, WARN_UNKNOWN_CONTROL_SEQUENCE, "unrecognized control sequence: \\%c", ch);
                 /* so we just add the character plus backslash no matter what it actually is */
-                if (!lex_tokench(lex, '\\'))
-                    return (lex->tok.ttype = TOKEN_FATAL);
+                lex_tokench(lex, '\\');
             }
             /* add the character finally */
-            if (!lex_tokench(lex, ch))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_tokench(lex, ch);
         }
-        else if (!lex_tokench(lex, ch))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        else
+            lex_tokench(lex, ch);
     }
     lexerror(lex, "unexpected end of file within string constant");
     lex_ungetch(lex, EOF); /* next token to be TOKEN_EOF */
@@ -634,8 +767,7 @@ static int GMQCC_WARN lex_finish_digit(lex_file *lex, int lastch)
     /* parse a number... */
     lex->tok.ttype = TOKEN_INTCONST;
 
-    if (!lex_tokench(lex, ch))
-        return (lex->tok.ttype = TOKEN_FATAL);
+    lex_tokench(lex, ch);
 
     ch = lex_getch(lex);
     if (ch != '.' && !isdigit(ch))
@@ -644,8 +776,7 @@ static int GMQCC_WARN lex_finish_digit(lex_file *lex, int lastch)
         {
             /* end of the number or EOF */
             lex_ungetch(lex, ch);
-            if (!lex_endtoken(lex))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_endtoken(lex);
 
             lex->tok.constval.i = lastch - '0';
             return lex->tok.ttype;
@@ -658,13 +789,11 @@ static int GMQCC_WARN lex_finish_digit(lex_file *lex, int lastch)
 
     if (ch != '.')
     {
-        if (!lex_tokench(lex, ch))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_tokench(lex, ch);
         ch = lex_getch(lex);
         while (isdigit(ch) || (ishex && isxdigit_only(ch)))
         {
-            if (!lex_tokench(lex, ch))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_tokench(lex, ch);
             ch = lex_getch(lex);
         }
     }
@@ -673,15 +802,13 @@ static int GMQCC_WARN lex_finish_digit(lex_file *lex, int lastch)
     {
         /* Allow floating comma in non-hex mode */
         lex->tok.ttype = TOKEN_FLOATCONST;
-        if (!lex_tokench(lex, ch))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_tokench(lex, ch);
 
         /* continue digits-only */
         ch = lex_getch(lex);
         while (isdigit(ch))
         {
-            if (!lex_tokench(lex, ch))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_tokench(lex, ch);
             ch = lex_getch(lex);
         }
     }
@@ -697,8 +824,7 @@ static int GMQCC_WARN lex_finish_digit(lex_file *lex, int lastch)
     }
     lex_ungetch(lex, ch);
 
-    if (!lex_endtoken(lex))
-        return (lex->tok.ttype = TOKEN_FATAL);
+    lex_endtoken(lex);
     if (lex->tok.ttype == TOKEN_FLOATCONST)
         lex->tok.constval.f = strtod(lex->tok.value, NULL);
     else
@@ -716,7 +842,21 @@ int lex_do(lex_file *lex)
         return TOKEN_FATAL;
 #endif
 
-    ch = lex_skipwhite(lex);
+    while (true) {
+        ch = lex_skipwhite(lex);
+        if (!lex->flags.mergelines || ch != '\\')
+            break;
+        ch = lex_getch(lex);
+        if (ch != '\n') {
+            lex_ungetch(lex, ch);
+            ch = '\\';
+            break;
+        }
+        /* we reached a linemerge */
+        lex_tokench(lex, '\n');
+        continue;
+    }
+
     lex->sline = lex->line;
     lex->tok.ctx.line = lex->sline;
     lex->tok.ctx.file = lex->name;
@@ -743,12 +883,10 @@ int lex_do(lex_file *lex)
             lexerror(lex, "hanging '$' modelgen/spritegen command line");
             return lex_do(lex);
         }
-        if (!lex_tokench(lex, ch))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_tokench(lex, ch);
         if (!lex_finish_ident(lex))
             return (lex->tok.ttype = TOKEN_ERROR);
-        if (!lex_endtoken(lex))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_endtoken(lex);
         /* skip the known commands */
         v = lex->tok.value;
 
@@ -777,8 +915,7 @@ int lex_do(lex_file *lex)
 
             lex_token_new(lex);
             lex->tok.ttype = lex_finish_digit(lex, ch);
-            if (!lex_endtoken(lex))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_endtoken(lex);
             if (lex->tok.ttype != TOKEN_INTCONST) {
                 lexerror(lex, "$framevalue requires an integer parameter");
                 return lex_do(lex);
@@ -803,7 +940,7 @@ int lex_do(lex_file *lex)
                 return (lex->tok.ttype = TOKEN_FATAL);
 
             v = lex->tok.value;
-            for (frame = 0; frame < lex->frames_count; ++frame) {
+            for (frame = 0; frame < vec_size(lex->frames); ++frame) {
                 if (!strcmp(v, lex->frames[frame].name)) {
                     lex->framevalue = lex->frames[frame].value;
                     return lex_do(lex);
@@ -822,7 +959,7 @@ int lex_do(lex_file *lex)
             rc = lex_parse_frame(lex);
 
             if (rc > 0) {
-                lexerror(lex, "$framerestore requires a framename parameter");
+                lexerror(lex, "$modelname requires a parameter");
                 return lex_do(lex);
             }
             if (rc < 0)
@@ -834,29 +971,19 @@ int lex_do(lex_file *lex)
                 m.value = lex->framevalue;
                 m.name = lex->modelname;
                 lex->modelname = NULL;
-                if (!lex_file_frames_add(lex, m)) {
-                    lexerror(lex, "out of memory");
-                    return (lex->tok.ttype = TOKEN_FATAL);
-                }
+                vec_push(lex->frames, m);
             }
             lex->modelname = lex->tok.value;
             lex->tok.value = NULL;
-            lex->tok.value_alloc = lex->tok.value_count = 0;
-            for (frame = 0; frame < lex->frames_count; ++frame) {
-                if (!strcmp(v, lex->frames[frame].name)) {
-                    lex->framevalue = lex->frames[frame].value;
-                    break;
-                }
-            }
             return lex_do(lex);
         }
 
         if (!strcmp(v, "flush"))
         {
             size_t frame;
-            for (frame = 0; frame < lex->frames_count; ++frame)
+            for (frame = 0; frame < vec_size(lex->frames); ++frame)
                 mem_d(lex->frames[frame].name);
-            MEM_VECTOR_CLEAR(lex, frames);
+            vec_free(lex->frames);
             /* skip line (fteqcc does it too) */
             ch = lex_getch(lex);
             while (ch != EOF && ch != '\n')
@@ -878,7 +1005,7 @@ int lex_do(lex_file *lex)
             return lex_do(lex);
         }
 
-        for (frame = 0; frame < lex->frames_count; ++frame) {
+        for (frame = 0; frame < vec_size(lex->frames); ++frame) {
             if (!strcmp(v, lex->frames[frame].name)) {
                 lex->tok.constval.i = lex->frames[frame].value;
                 return (lex->tok.ttype = TOKEN_INTCONST);
@@ -892,29 +1019,24 @@ int lex_do(lex_file *lex)
     /* single-character tokens */
     switch (ch)
     {
+        case '[':
         case '(':
-            if (!lex_tokench(lex, ch) ||
-                !lex_endtoken(lex))
-            {
-                return (lex->tok.ttype = TOKEN_FATAL);
-            }
+            lex_tokench(lex, ch);
+            lex_endtoken(lex);
             if (lex->flags.noops)
                 return (lex->tok.ttype = ch);
             else
                 return (lex->tok.ttype = TOKEN_OPERATOR);
         case ')':
         case ';':
+        case ':':
         case '{':
         case '}':
-        case '[':
         case ']':
 
         case '#':
-            if (!lex_tokench(lex, ch) ||
-                !lex_endtoken(lex))
-            {
-                return (lex->tok.ttype = TOKEN_FATAL);
-            }
+            lex_tokench(lex, ch);
+            lex_endtoken(lex);
             return (lex->tok.ttype = ch);
         default:
             break;
@@ -940,11 +1062,8 @@ int lex_do(lex_file *lex)
             case '~':
             case ',':
             case '!':
-                if (!lex_tokench(lex, ch) ||
-                    !lex_endtoken(lex))
-                {
-                    return (lex->tok.ttype = TOKEN_FATAL);
-                }
+                lex_tokench(lex, ch);
+                lex_endtoken(lex);
                 return (lex->tok.ttype = ch);
             default:
                 break;
@@ -952,14 +1071,12 @@ int lex_do(lex_file *lex)
 
         if (ch == '.')
         {
-            if (!lex_tokench(lex, ch))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_tokench(lex, ch);
             /* peak ahead once */
             nextch = lex_getch(lex);
             if (nextch != '.') {
                 lex_ungetch(lex, nextch);
-                if (!lex_endtoken(lex))
-                    return (lex->tok.ttype = TOKEN_FATAL);
+                lex_endtoken(lex);
                 return (lex->tok.ttype = ch);
             }
             /* peak ahead again */
@@ -967,27 +1084,20 @@ int lex_do(lex_file *lex)
             if (nextch != '.') {
                 lex_ungetch(lex, nextch);
                 lex_ungetch(lex, nextch);
-                if (!lex_endtoken(lex))
-                    return (lex->tok.ttype = TOKEN_FATAL);
+                lex_endtoken(lex);
                 return (lex->tok.ttype = ch);
             }
             /* fill the token to be "..." */
-            if (!lex_tokench(lex, ch) ||
-                !lex_tokench(lex, ch) ||
-                !lex_endtoken(lex))
-            {
-                return (lex->tok.ttype = TOKEN_FATAL);
-            }
+            lex_tokench(lex, ch);
+            lex_tokench(lex, ch);
+            lex_endtoken(lex);
             return (lex->tok.ttype = TOKEN_DOTS);
         }
     }
 
     if (ch == ',' || ch == '.') {
-        if (!lex_tokench(lex, ch) ||
-            !lex_endtoken(lex))
-        {
-            return (lex->tok.ttype = TOKEN_FATAL);
-        }
+        lex_tokench(lex, ch);
+        lex_endtoken(lex);
         return (lex->tok.ttype = TOKEN_OPERATOR);
     }
 
@@ -996,50 +1106,40 @@ int lex_do(lex_file *lex)
         ch == '=' || ch == '!' || /* ==, != */
         ch == '&' || ch == '|')   /* &&, ||, &=, |= */
     {
-        if (!lex_tokench(lex, ch))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_tokench(lex, ch);
 
         nextch = lex_getch(lex);
         if (nextch == ch || nextch == '=') {
-            if (!lex_tokench(lex, nextch))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_tokench(lex, nextch);
         } else if (ch == '-' && nextch == '>') {
-            if (!lex_tokench(lex, nextch))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_tokench(lex, nextch);
         } else
             lex_ungetch(lex, nextch);
 
-        if (!lex_endtoken(lex))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_endtoken(lex);
         return (lex->tok.ttype = TOKEN_OPERATOR);
     }
 
     /*
     if (ch == '^' || ch == '~' || ch == '!')
     {
-        if (!lex_tokench(lex, ch) ||
-            !lex_endtoken(lex))
-        {
-            return (lex->tok.ttype = TOKEN_FATAL);
-        }
+        lex_tokench(lex, ch);
+        lex_endtoken(lex);
         return (lex->tok.ttype = TOKEN_OPERATOR);
     }
     */
 
     if (ch == '*' || ch == '/') /* *=, /= */
     {
-        if (!lex_tokench(lex, ch))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_tokench(lex, ch);
 
         nextch = lex_getch(lex);
         if (nextch == '=') {
-            if (!lex_tokench(lex, nextch))
-                return (lex->tok.ttype = TOKEN_FATAL);
+            lex_tokench(lex, nextch);
         } else
             lex_ungetch(lex, nextch);
 
-        if (!lex_endtoken(lex))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_endtoken(lex);
         return (lex->tok.ttype = TOKEN_OPERATOR);
     }
 
@@ -1047,14 +1147,12 @@ int lex_do(lex_file *lex)
     {
         const char *v;
 
-        if (!lex_tokench(lex, ch))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_tokench(lex, ch);
         if (!lex_finish_ident(lex)) {
             /* error? */
             return (lex->tok.ttype = TOKEN_ERROR);
         }
-        if (!lex_endtoken(lex))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_endtoken(lex);
         lex->tok.ttype = TOKEN_IDENT;
 
         v = lex->tok.value;
@@ -1076,28 +1174,17 @@ int lex_do(lex_file *lex)
         } else if (!strcmp(v, "vector")) {
             lex->tok.ttype = TOKEN_TYPENAME;
             lex->tok.constval.t = TYPE_VECTOR;
-        } else if (!strcmp(v, "for")  ||
-                 !strcmp(v, "while")  ||
-                 !strcmp(v, "do")     ||
-                 !strcmp(v, "if")     ||
-                 !strcmp(v, "else")   ||
-                 !strcmp(v, "local")  ||
-                 !strcmp(v, "return") ||
-                 !strcmp(v, "not")    ||
-                 !strcmp(v, "const"))
-        {
-            lex->tok.ttype = TOKEN_KEYWORD;
-        }
-        else if (opts_standard != COMPILER_QCC)
-        {
-            /* other standards reserve these keywords */
-            if (!strcmp(v, "switch") ||
-                !strcmp(v, "struct") ||
-                !strcmp(v, "union")  ||
-                !strcmp(v, "break")  ||
-                !strcmp(v, "continue"))
-            {
-                lex->tok.ttype = TOKEN_KEYWORD;
+        } else {
+            size_t kw;
+            for (kw = 0; kw < num_keywords_qc; ++kw) {
+                if (!strcmp(v, keywords_qc[kw]))
+                    return (lex->tok.ttype = TOKEN_KEYWORD);
+            }
+            if (opts_standard != COMPILER_QCC) {
+                for (kw = 0; kw < num_keywords_fg; ++kw) {
+                    if (!strcmp(v, keywords_fg[kw]))
+                        return (lex->tok.ttype = TOKEN_KEYWORD);
+                }
             }
         }
 
@@ -1107,11 +1194,11 @@ int lex_do(lex_file *lex)
     if (ch == '"')
     {
         lex->flags.nodigraphs = true;
-        if (lex->flags.preprocessing && !lex_tokench(lex, ch))
-            return TOKEN_FATAL;
+        if (lex->flags.preprocessing)
+            lex_tokench(lex, ch);
         lex->tok.ttype = lex_finish_string(lex, '"');
-        if (lex->flags.preprocessing && !lex_tokench(lex, ch))
-            return TOKEN_FATAL;
+        if (lex->flags.preprocessing)
+            lex_tokench(lex, ch);
         while (!lex->flags.preprocessing && lex->tok.ttype == TOKEN_STRINGCONST)
         {
             /* Allow c style "string" "continuation" */
@@ -1124,8 +1211,7 @@ int lex_do(lex_file *lex)
             lex->tok.ttype = lex_finish_string(lex, '"');
         }
         lex->flags.nodigraphs = false;
-        if (!lex_endtoken(lex))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_endtoken(lex);
         return lex->tok.ttype;
     }
 
@@ -1136,13 +1222,12 @@ int lex_do(lex_file *lex)
          * Likewise actual unescaping has to be done by the parser.
          * The difference is we don't allow 'char' 'continuation'.
          */
-        if (lex->flags.preprocessing && !lex_tokench(lex, ch))
-            return TOKEN_FATAL;
+        if (lex->flags.preprocessing)
+            lex_tokench(lex, ch);
         lex->tok.ttype = lex_finish_string(lex, '\'');
-        if (lex->flags.preprocessing && !lex_tokench(lex, ch))
-            return TOKEN_FATAL;
-        if (!lex_endtoken(lex))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        if (lex->flags.preprocessing)
+            lex_tokench(lex, ch);
+        lex_endtoken(lex);
 
          /* It's a vector if we can successfully scan 3 floats */
 #ifdef WIN32
@@ -1163,8 +1248,7 @@ int lex_do(lex_file *lex)
     if (isdigit(ch))
     {
         lex->tok.ttype = lex_finish_digit(lex, ch);
-        if (!lex_endtoken(lex))
-            return (lex->tok.ttype = TOKEN_FATAL);
+        lex_endtoken(lex);
         return lex->tok.ttype;
     }