Hello i have been coding with afew class mates a certain codes that is supposed to compile lex and yacc both and then run them together but we get a bunch of errors can someone help us see whats wrong?
Code:LEX: %option yylineno %pointer %{ #include <stdlib.h> #include <string.h> void yyerror(const char *); %} low \_ identifier {letters}{digit}*{low}{letters}|{letters} stringERR {doubleQuotes}{doubleQuotes}+|{doubleQuotes} charERR {singleQuotes}+{digits}*{letters}*{singleQuotes}+ ERR {charERR}|{stringERR} type boolean|string|char|integer|intptr|charptr|var dbland "&&" devide "/" assign "=" equal "==" greater ">" lesser "<" greaterequal ">=" lesserequal "<=" minus "-" plus "+" not "!" notequal "!=" or "||" multiply "*" power "^" AND "&" literBool true|false letter [a-z]|[A-Z] letters {letter}+ singleQuotes ' literChar {singleQuotes}{letter}{singleQuotes} digit [0-9] digitZero 0 octalDigit [1-7] octal {digitZero}{octalDigit}{digitZero}*{octalDigit}* digits {digit}+ digitNoZero[1-9] decimal {digit}|{digitNoZero}{digits} hexLetter A|B|C|D|E|F hex 0(x|X){digit}+{hexLetter}*|0(x|X){digit}*{hexLetter}+ letterB b digitOne 1 binaryInt ({digitZero}|{digitOne})+{letterB} integer {binaryInt}|{hex}|{octal}|{decimal} doubleQuotes " ltrlString {doubleQuotes}{letters}*{decimal}*{hex}*{octal}*{binaryInt}*{dbland}*{devide}*{assign}*{equal}*{greater}*{lesser}*{greaterequal}*{lesserequal}*{minus}*{plus}*{not}*{notequal}*{or}*{multiply}*{AND}*{power}*{doubleQuotes} comment {backslash}{parcent}{space}*({letters}*{space}*{identifier}*{space}*{decimal}*{space}*{hex}*{space}*{octal}*{space}*{binaryInt}*{space}*{dbland}*{devide}*{assign}*{equal}*{greater}*{lesser}*{greaterequal}*{lesserequal}*{minus}*{p$us}*{plus}*{not}*{notequal}*{or}*{multiply}*{AND}*{power}*{ltrlString}*)*{space}{parcent}{backslash} colon ":" openSq "[" closeSq "]" semicolon ";" parcent "%" space " " comma "," backslash "/" clos ")" opn "(" charptr charptr pointer {colon}{space}{charptr}|"="{space}"&"{identifier} pointerErr "&"{identifier}|{charptr} ELSE "else"{space}* statif "if"{space}* whileLoop "while"{space}* returnState "return"{space}* func "procedure"{space}* %% {dbland} return dbland; {devide} return devide; {assign} return assign; {equal} return equal; {greater} return greater; {greaterequal} return greaterequal; {lesserequal} return lesserequal; {minus} return minus; {plus} return plus; {not} return not; {notequal} return notequal; {or} return or; {multiply} return multiply; {power} return power; {AND} return AND; {literBool} return literBool; {literChar} return literChar; {decimal} return decimal; {hex} return hex; {octal} return octal; {binaryInt} return binaryInt; {ltrlString} return ltrlString {type} return type; {identifier} return identifier; {ERR} return ERR; {comment} return comment; {pointer} return pointer; {pointerErr} return pointerErr; {statif} return statif; {ELSE} return ELSE; {whileLoop} return whileLoop; {returnState} return returnState; {func} return func; {semicolon} return semicolon; {comma} return comma; [\*\(\)\.\+\-\%] { return *yytext; } [0-9][0-9]* { return 'n'; } [ \t\n] ; /* skip whitespace */ %% int yywrap(void) { return 1; } YACC: %token low identifier stringERR charERR ERR type operator literBool letter %token dbland literChar decimal hex octal integer %token binaryInt ltrString comment pointer pointerErr %token statif ELSE whileLoop returnState func comma semicolon %token EOL LPAREN RPAREN UMINUS %left equal greater notequal lesser greaterequal lesserequal %left '|' %left '&' %left SHIFT /* << >> */ %left minus plus %left multiply devide '%' MOD %left power %left not or AND comma %nonassoc UMINUS %% s: BLOCK; BLOCK: expr|logicOp|varible_declaration|ifExp|whileExp|procExp|semicolon; expr: exp{printtree($1);} exp: identifier {$$=mknode(yytext,NULL,NULL);} | LPAREN expr RPAREN {$$=$2;} | exp plus exp {$$= mknode("+" $1,$3);} | exp minus exp {$$= mknode("-" $1, $3);} | exp multiply exp {$$=mknode("*" $1, $3);} | exp devide exp {$$=mknode("/" $1, $3);} | "-" exp %prec UMINUS {-$2} varible_declaration: var{printtree($1);} var : "VAR" identifier_list ":" typet ";" {$$ = mknode("var", $2, $4);} typet: integer{$$ = mknode(yytext,NULL,NULL);} |binaryInt {$$ = mknode(yytext,NULL,NULL);} |type {$$ = mknode(yytext,NULL,NULL);} identifier_list: identifier_list comma identifier_list {$$= mknode(",",$1, $3);} |identifier {$$ = mknode(yytext,NULL,NULL);} logicOp: op{printtree($1);} op:exp equal exp {$$ = mknode("==",$1,$3);} |exp notequal exp {$$ = mknode("!=",$1,$3);} |exp or exp {$$ = mknode("||",$1,$3);} |exp AND exp {$$ = mknode("&&",$1,$3);} |exp greater exp {$$ = mknode(">",$1,$3);} |exp greaterequal exp {$$ = mknode(">=",$1,$3);} |exp lesser exp {$$ = mknode("<",$1,$3);} |exp lesserequal exp {$$ = mknode("<=",$1,$3);} ifExp: if{printtree($1);} if:statif '(' logicOp ')' '{' BLOCK '}' ELSE '{' BLOCK '}' {$$ = mknode("if",$3,mknode("else",$6,$10));} |statif '(' logicOp ')' '{' BLOCK '}' {$$=mknode("if",$3,$6);} whileExp: while{printtree($1)} while:whileLoop '(' logicOp ')' '{' BLOCK '}' {$$=mknode("while",$3,$6);} procExp: proc{printtree($1)} proc:func identifier '(' identifier_list ')' returnState type '{' BLOCK '}' {$$ = mknode("procedure",$2,"TODO");} %% %{ #include <stdio.h> #include <stdlib.h> #include <string.h> #define YYDEBUG 1 int yylex(void); void yyerror(const char *); tyepdef struct node{char * token; struct node *left; struct node *right; }node; node * mknode(char * token , node * left,node * right); void printtree(node * tree); %} #define yySType struct node * #include "lex.yy.c" main() { return yyparse(); } nose * mknode(char * token,node * left, node * right) { node * newnode = (node*)malloc(sizeof(node)); char 8 newstr = (char*)malloc(sizeof(token)+1); strcpy("newstr,token"); newnode->left=left; newnode->right=right; newnode->token=newstr; }return newnode; void printtree(node * tree) { printf("%s\n",tree->token); if (tree->left) printtree(tree->left); if (tree->right) printtree(tree->left); } extern int yylineno; void yyerror(const char *s) { fprintf(stderr, "%s at line %d\n", s, yylineno); return; }Code:ERRORS : test.y:60: error: expected identifier or ‘(’ before ‘%’ token test.y:64:1: warning: "YYDEBUG" redefined y.tab.c:197:1: warning: this is the location of the previous definition In file included from test.y:75: lex.yy.c:157: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token lex.yy.c:203: error: expected specifier-qualifier-list before ‘FILE’ lex.yy.c:299: error: expected ‘)’ before ‘*’ token lex.yy.c:301: error: expected ‘)’ before ‘*’ token lex.yy.c:309: error: expected declaration specifiers or ‘...’ before ‘FILE’ lex.yy.c:349: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token In file included from test.y:75: lex.yy.c:951: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token lex.yy.c:953: error: expected ‘)’ before ‘*’ token lex.yy.c:955: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token lex.yy.c:957: error: expected ‘)’ before ‘*’ token In file included from test.y:75: lex.yy.c: In function ‘yylex’: lex.yy.c:1117: error: ‘yyin’ undeclared (first use in this function) lex.yy.c:1117: error: (Each undeclared identifier is reported only once lex.yy.c:1117: error: for each function it appears in.) lex.yy.c:1118: error: ‘stdin’ undeclared (first use in this function) lex.yy.c:1120: error: ‘yyout’ undeclared (first use in this function) lex.yy.c:1121: error: ‘stdout’ undeclared (first use in this function) In file included from test.y:75: test.l:74: error: ‘assign’ undeclared (first use in this function) In file included from test.y:75: test.l:94: error: ‘ltrlString’ undeclared (first use in this function) test.l:95: error: expected ‘;’ before ‘break’ In file included from test.y:75: test.l:111: warning: incompatible implicit declaration of built-in function ‘fwrite’ In file included from test.y:75: lex.yy.c:1411: error: ‘struct yy_buffer_state’ has no member named ‘yy_buffer_status’ lex.yy.c:1422: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c:1423: error: ‘struct yy_buffer_state’ has no member named ‘yy_input_file’ lex.yy.c:1424: error: ‘struct yy_buffer_state’ has no member named ‘yy_buffer_status’ lex.yy.c:1434: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1513: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c: In function ‘yy_get_next_buffer’: lex.yy.c:1540: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1545: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1549: error: ‘struct yy_buffer_state’ has no member named ‘yy_fill_buffer’ lex.yy.c:1576: error: ‘struct yy_buffer_state’ has no member named ‘yy_buffer_status’ lex.yy.c:1580: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c:1585: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1594: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1596: error: ‘struct yy_buffer_state’ has no member named ‘yy_is_our_buffer’ lex.yy.c:1598: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1601: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1601: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1603: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1605: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1607: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1607: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1611: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1613: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1617: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1619: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1628: error: ‘struct yy_buffer_state’ has no member named ‘yy_is_interactive’ lex.yy.c:1628: error: ‘yyin’ undeclared (first use in this function) lex.yy.c:1628: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1628: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1628: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1631: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c:1645: error: ‘struct yy_buffer_state’ has no member named ‘yy_buffer_status’ lex.yy.c:1653: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1656: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1656: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1657: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1662: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1663: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1665: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c: In function ‘yyunput’: lex.yy.c:1736: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1740: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1741: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1743: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1745: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1750: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c:1751: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:1753: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c: In function ‘input’: lex.yy.c:1786: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:1809: error: ‘yyin’ undeclared (first use in this function) lex.yy.c: At top level: lex.yy.c:1852: error: expected ‘)’ before ‘*’ token lex.yy.c: In function ‘yy_switch_to_buffer’: lex.yy.c:1885: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_pos’ lex.yy.c:1886: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c: In function ‘yy_load_buffer_state’: lex.yy.c:1902: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c:1903: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_pos’ lex.yy.c:1904: error: ‘yyin’ undeclared (first use in this function) lex.yy.c:1904: error: ‘struct yy_buffer_state’ has no member named ‘yy_input_file’ lex.yy.c: At top level: lex.yy.c:1914: error: expected ‘)’ before ‘*’ token lex.yy.c: In function ‘yy_delete_buffer’: lex.yy.c:1951: error: ‘struct yy_buffer_state’ has no member named ‘yy_is_our_buffer’ lex.yy.c:1952: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c: At top level: lex.yy.c:1965: error: expected declaration specifiers or ‘...’ before ‘FILE’ lex.yy.c: In function ‘yy_init_buffer’: lex.yy.c:1972: error: ‘struct yy_buffer_state’ has no member named ‘yy_input_file’ lex.yy.c:1972: error: ‘file’ undeclared (first use in this function) lex.yy.c:1973: error: ‘struct yy_buffer_state’ has no member named ‘yy_fill_buffer’ lex.yy.c:1980: error: ‘struct yy_buffer_state’ has no member named ‘yy_bs_lineno’ lex.yy.c:1981: error: ‘struct yy_buffer_state’ has no member named ‘yy_bs_column’ lex.yy.c:1984: error: ‘struct yy_buffer_state’ has no member named ‘yy_is_interactive’ lex.yy.c: In function ‘yy_flush_buffer’: lex.yy.c:1998: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c:2004: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:2005: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:2007: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_pos’ lex.yy.c:2007: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:2009: error: ‘struct yy_buffer_state’ has no member named ‘yy_at_bol’ lex.yy.c:2010: error: ‘struct yy_buffer_state’ has no member named ‘yy_buffer_status’ lex.yy.c: In function ‘yypush_buffer_state’: lex.yy.c:2034: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_pos’ lex.yy.c:2035: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c: In function ‘yy_scan_buffer’: lex.yy.c:2134: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:2135: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_pos’ lex.yy.c:2135: error: ‘struct yy_buffer_state’ has no member named ‘yy_ch_buf’ lex.yy.c:2136: error: ‘struct yy_buffer_state’ has no member named ‘yy_is_our_buffer’ lex.yy.c:2137: error: ‘struct yy_buffer_state’ has no member named ‘yy_input_file’ lex.yy.c:2138: error: ‘struct yy_buffer_state’ has no member named ‘yy_n_chars’ lex.yy.c:2138: error: ‘struct yy_buffer_state’ has no member named ‘yy_buf_size’ lex.yy.c:2139: error: ‘struct yy_buffer_state’ has no member named ‘yy_is_interactive’ lex.yy.c:2140: error: ‘struct yy_buffer_state’ has no member named ‘yy_at_bol’ lex.yy.c:2141: error: ‘struct yy_buffer_state’ has no member named ‘yy_fill_buffer’ lex.yy.c:2142: error: ‘struct yy_buffer_state’ has no member named ‘yy_buffer_status’ lex.yy.c: In function ‘yy_scan_bytes’: lex.yy.c:2195: error: ‘struct yy_buffer_state’ has no member named ‘yy_is_our_buffer’ lex.yy.c: In function ‘yy_fatal_error’: lex.yy.c:2206: warning: incompatible implicit declaration of built-in function ‘fprintf’ lex.yy.c:2206: error: ‘stderr’ undeclared (first use in this function) lex.yy.c: At top level: lex.yy.c:2241: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token lex.yy.c:2249: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token lex.yy.c:2287: error: expected ‘)’ before ‘*’ token lex.yy.c:2292: error: expected ‘)’ before ‘*’ token lex.yy.c: In function ‘yy_init_globals’: lex.yy.c:2328: error: ‘yyin’ undeclared (first use in this function) lex.yy.c:2328: error: ‘FILE’ undeclared (first use in this function) lex.yy.c:2328: error: expected expression before ‘)’ token lex.yy.c:2329: error: ‘yyout’ undeclared (first use in this function) lex.yy.c:2329: error: expected expression before ‘)’ token test.y: At top level: test.y:78: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token test.y:86: error: expected identifier or ‘(’ before ‘return’ test.y:87: error: expected ‘)’ before ‘*’ token test.y: In function ‘yyerror’: test.y:96: warning: incompatible implicit declaration of built-in function ‘fprintf’ test.y:96: error: ‘stderr’ undeclared (first use in this function) y.tab.c: In function ‘yyparse’: y.tab.c:411: error: ‘yyname’ undeclared (first use in this function) y.tab.c:413: warning: incompatible implicit declaration of built-in function ‘printf’ y.tab.c:423: warning: incompatible implicit declaration of built-in function ‘printf’ y.tab.c:464: warning: incompatible implicit declaration of built-in function ‘printf’ y.tab.c:479: warning: incompatible implicit declaration of built-in function ‘printf’ y.tab.c:497: warning: incompatible implicit declaration of built-in function ‘printf’ y.tab.c:508: warning: incompatible implicit declaration of built-in function ‘printf’ y.tab.c:509: error: ‘yyrule’ undeclared (first use in this function) test.y:20: error: expected ‘)’ before ‘yyvsp’ test.y:21: error: expected ‘)’ before ‘yyvsp’ test.y:22: error: expected ‘)’ before ‘yyvsp’ test.y:23: error: expected ‘)’ before ‘yyvsp’ test.y:24: error: expected ‘;’ before ‘}’ token test.y:53: error: expected ‘;’ before ‘}’ token test.y:55: error: expected ‘;’ before ‘}’ token
