scc

Simple C99 Compiler
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commit 427363d83864c086fbaf836bc412c451c87cc49d
parent 69e7535d59c4e567c5279bea077e2ee7e24cb59a
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue,  5 Jun 2012 20:16:27 +0200

Added string names for tokens

This helps in order to can read the log traces.

Diffstat:
lex.c | 76++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 74 insertions(+), 2 deletions(-)

diff --git a/lex.c b/lex.c @@ -71,7 +71,75 @@ static unsigned char hashfun(register const char *s) return h; } +#ifndef NDEBUG +static char *toknames[] = { + [INT] = "INT", + [CHAR] = "CHAR", + [FLOAT] = "FLOAT", + [LONG] = "LONG", + [LLONG] = "LLONG", + [SHORT] = "SHORT", + [VOID] = "VOID", + [DOUBLE] = "DOUBLE", + [LDOUBLE] = "LDOUBLE", + [STRUCT] = "STRUCT", + [UNION] = "UNION", + [ENUM] = "ENUM", + [UTYPE] = "UTYPE", + [BOOL] = "BOOL", + [TYPEDEF] = "TYPEDEF", + [EXTERN] = "EXTERN", + [STATIC] = "STATIC", + [AUTO] = "AUTO", + [REGISTER] = "REGISTER", + [VOLATILE] = "VOLATILE", + [CONST] = "CONST", + [RESTRICTED] = "RESTRICTED", + [UNSIGNED] = "UNSIGNED", + [SIGNED] = "SIGNED", + [IDENTIFIER] = "IDENTIFIER", + [CONSTANT] = "CONSTANT", + [STRING_LITERAL] = "STRING_LITERAL", + [SIZEOF] = "SIZEOF", + [PTR_OP] = "PTR_OP", + [INC_OP] = "INC_OP", + [DEC_OP] = "DEC_OP", + [LEFT_OP] = "LEFT_OP", + [RIGHT_OP] = "RIGHT_OP", + [LE_OP] = "LE_OP", + [GE_OP] = "GE_OP", + [EQ_OP] = "EQ_OP", + [NE_OP] = "NE_OP", + [AND_OP] = "AND_OP", + [OR_OP] = "OR_OP", + [MUL_ASSIGN] = "MUL_ASSIGN", + [DIV_ASSIGN] = "DIV_ASSIGN", + [MOD_ASSIGN] = "MOD_ASSIGN", + [ADD_ASSIGN] = "ADD_ASSIGN", + [SUB_ASSIGN] = "SUB_ASSIGN", + [LSHIFT_ASSIGN] = "LSHIFT_ASSIGN", + [RSHIFT_ASSIGN] = "RSHIFT_ASSIGN", + [AND_ASSIGN] = "AND_ASSIGN", + [XOR_ASSIGN] = "XOR_ASSIGN", + [OR_ASSIGN] = "OR_ASSIGN", + [TYPE_NAME] = "TYPE_NAME", + [ELLIPSIS] = "ELLIPSIS", + [CASE] = "CASE", + [DEFAULT] = "DEFAULT", + [IF] = "IF", + [ELSE] = "ELSE", + [SWITCH] = "SWITCH", + [WHILE] = "WHILE", + [DO] = "DO", + [FOR] = "FOR", + [GOTO] = "GOTO", + [CONTINUE] = "CONTINUE", + [BREAK] = "BREAK", + [RETURN] = "RETURN", + [EOFTOK] = "EOFTOK" +}; +#endif void init_lex(void) { @@ -191,8 +259,12 @@ unsigned char next(void) } return_token: - printf("Token = %c (%u, '%s')\n", - (isprint(ch)) ? ch : ' ', (unsigned) ch, yytext); +#ifndef NDEBUG + printf(!toknames[ch] ? + "Token = (%u, '%s')\n" : + "Token = (%u, '%s' %s)\n", + (unsigned) ch, yytext, toknames[ch]); +#endif return yytoken = ch; }