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updated lex to return the right values to the tokens (mostly table entries)

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Partho
2025-04-03 20:05:53 -04:00
parent 3bae28dfef
commit 0eb0b8097c
3 changed files with 53 additions and 23 deletions
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26
src/grammar.y
View File

@ -47,28 +47,28 @@
%union { %union {
int integ; int integ;
TableNode *tn;
char* words; char* words;
TableNode* tn;
} }
%type <integ> idlist %type <integ> idlist
%type <tn> assignable %type <tn> assignable
%type <tn> expression %type <tn> expression
%type <t > constant %type <tn> constant
%type <tn> id_or_types %type <tn> id_or_types
%type <tn> types %type <tn> types
%token <words> ID 101 %token <tn> ID 101
%token <words> T_INTEGER 201 %token <tn> T_INTEGER 201
%token <words> T_ADDRESS 202 %token <tn> T_ADDRESS 202
%token <words> T_BOOLEAN 203 %token <tn> T_BOOLEAN 203
%token <words> T_CHARACTER 204 %token <tn> T_CHARACTER 204
%token <words> T_STRING 205 %token <tn> T_STRING 205
%token <integ> C_INTEGER 301 %token <integ> C_INTEGER 301
%token <words> C_NULL 302 %token <tn> C_NULL 302
%token <words> C_CHARACTER 303 %token <tn> C_CHARACTER 303
%token <words> C_STRING 304 %token <tn> C_STRING 304
%token <words> C_TRUE 305 %token <tn> C_TRUE 305
%token <words> C_FALSE 306 %token <tn> C_FALSE 306
%token WHILE 401 %token WHILE 401
%token IF 402 %token IF 402
%token THEN 403 %token THEN 403

28
src/lexicalStructure.lex
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@ -13,6 +13,16 @@
#endif #endif
extern SymbolTable * cur; extern SymbolTable * cur;
extern FILE* tok_flag; extern FILE* tok_flag;
extern TableNode *funprime;
extern TableNode *funtypeprime;
extern TableNode *arrayprim;
extern TableNode *recprime;
extern TableNode *integ;
extern TableNode *addr;
extern TableNode *chara;
extern TableNode *stri;
extern TableNode *boo;
extern TableNode *undefined;
extern void incr(int lnum,int cnum, int tok); extern void incr(int lnum,int cnum, int tok);
extern void print_tok(int tok); extern void print_tok(int tok);
@ -36,10 +46,10 @@ SCHAR \\n|\\t|\\\"|[^\"\n\\]
%% %%
"integer" {if(DEBUG) {printf( "T_INTEGER: %s (%d)\n", yytext, T_INTEGER);} else {if(tok_flag != NULL){print_tok(T_INTEGER);}incr(line_number,column_number,T_INTEGER);yylval.words = strdup(yytext);return T_INTEGER;}} "integer" {if(DEBUG) {printf( "T_INTEGER: %s (%d)\n", yytext, T_INTEGER);} else {if(tok_flag != NULL){print_tok(T_INTEGER);}incr(line_number,column_number,T_INTEGER);yylval.tn = integ;return T_INTEGER;}}
"address" {if(DEBUG) {printf( "T_ADDRESS: %s (%d)\n", yytext, T_ADDRESS);} else {if(tok_flag != NULL){print_tok(T_ADDRESS);}incr(line_number,column_number,T_ADDRESS);yylval.words = strdup(yytext);return T_ADDRESS;}} "address" {if(DEBUG) {printf( "T_ADDRESS: %s (%d)\n", yytext, T_ADDRESS);} else {if(tok_flag != NULL){print_tok(T_ADDRESS);}incr(line_number,column_number,T_ADDRESS);yylval.tn = addr;return T_ADDRESS;}}
"Boolean" {if(DEBUG) {printf( "T_BOOLEAN: %s (%d)\n", yytext, T_BOOLEAN);} else {if(tok_flag != NULL){print_tok(T_INTEGER);}incr(line_number,column_number,T_INTEGER);yylval.words = strdup(yytext);return T_BOOLEAN;}} "Boolean" {if(DEBUG) {printf( "T_BOOLEAN: %s (%d)\n", yytext, T_BOOLEAN);} else {if(tok_flag != NULL){print_tok(T_INTEGER);}incr(line_number,column_number,T_INTEGER);yylval.tn = boo;return T_BOOLEAN;}}
"character" {if(DEBUG) {printf( "T_CHARACTER: %s (%d)\n", yytext, T_CHARACTER);} else {if(tok_flag != NULL){print_tok(T_CHARACTER);}incr(line_number,column_number,T_CHARACTER);yylval.words = strdup(yytext);return T_CHARACTER;}} "character" {if(DEBUG) {printf( "T_CHARACTER: %s (%d)\n", yytext, T_CHARACTER);} else {if(tok_flag != NULL){print_tok(T_CHARACTER);}incr(line_number,column_number,T_CHARACTER);yylval.tn = chara;return T_CHARACTER;}}
"while" {if(DEBUG) {printf( "WHILE: %s (%d)\n", yytext, WHILE);} else {if(tok_flag != NULL){print_tok(WHILE);}incr(line_number,column_number,WHILE);return WHILE;}} "while" {if(DEBUG) {printf( "WHILE: %s (%d)\n", yytext, WHILE);} else {if(tok_flag != NULL){print_tok(WHILE);}incr(line_number,column_number,WHILE);return WHILE;}}
"if" {if(DEBUG) {printf( "IF: %s (%d)\n", yytext, IF);} else {if(tok_flag != NULL){print_tok(IF);}incr(line_number,column_number,IF);return IF;}} "if" {if(DEBUG) {printf( "IF: %s (%d)\n", yytext, IF);} else {if(tok_flag != NULL){print_tok(IF);}incr(line_number,column_number,IF);return IF;}}
@ -73,8 +83,8 @@ SCHAR \\n|\\t|\\\"|[^\"\n\\]
"->" {if(DEBUG) {printf( "ARROW: %s (%d)\n", yytext, ARROW);} else {if(tok_flag != NULL){print_tok(ARROW);}incr(line_number,column_number,ARROW);return ARROW;}} "->" {if(DEBUG) {printf( "ARROW: %s (%d)\n", yytext, ARROW);} else {if(tok_flag != NULL){print_tok(ARROW);}incr(line_number,column_number,ARROW);return ARROW;}}
{DIGIT}+ {if(DEBUG) {printf( "C_INTEGER: %s (%d)\n", yytext, C_INTEGER);} else {if(tok_flag != NULL){print_tok(C_INTEGER);}incr(line_number,column_number,C_INTEGER);yylval.integ = atoi(yytext)/*words = strdup("integer")*/;return C_INTEGER;}} {DIGIT}+ {if(DEBUG) {printf( "C_INTEGER: %s (%d)\n", yytext, C_INTEGER);} else {if(tok_flag != NULL){print_tok(C_INTEGER);}incr(line_number,column_number,C_INTEGER);yylval.integ = atoi(yytext)/*words = strdup("integer")*/;return C_INTEGER;}}
'{CHAR}' {if(DEBUG) {printf( "C_CHARACTER: %s (%d)\n", yytext, C_CHARACTER);} else {if(tok_flag != NULL){print_tok(C_CHARACTER);}incr(line_number,column_number,C_CHARACTER);yylval.words = strdup("character");return C_CHARACTER;}} '{CHAR}' {if(DEBUG) {printf( "C_CHARACTER: %s (%d)\n", yytext, C_CHARACTER);} else {if(tok_flag != NULL){print_tok(C_CHARACTER);}incr(line_number,column_number,C_CHARACTER);yylval.tn = chara;return C_CHARACTER;}}
\"{SCHAR}*\" {if(DEBUG) {printf( "C_STRING: %s (%d)\n", yytext, C_STRING);} else {if(tok_flag != NULL){print_tok(C_STRING);}incr(line_number,column_number,C_STRING);yylval.words = strdup("string");return C_STRING;}} \"{SCHAR}*\" {if(DEBUG) {printf( "C_STRING: %s (%d)\n", yytext, C_STRING);} else {if(tok_flag != NULL){print_tok(C_STRING);}incr(line_number,column_number,C_STRING);yylval.tn = stri;return C_STRING;}}
{COMMENT} {if(DEBUG) {printf( "COMMENT: %s (%d)\n", yytext, COMMENT);} else {if(tok_flag != NULL){print_tok(COMMENT);}incr(line_number,column_number,COMMENT);/*return COMMENT;*/}} {COMMENT} {if(DEBUG) {printf( "COMMENT: %s (%d)\n", yytext, COMMENT);} else {if(tok_flag != NULL){print_tok(COMMENT);}incr(line_number,column_number,COMMENT);/*return COMMENT;*/}}
"(" {if(DEBUG) {printf( "L_PAREN: %s (%d)\n", yytext, L_PAREN);} else {if(tok_flag != NULL){print_tok(L_PAREN);}incr(line_number,column_number,L_PAREN);return L_PAREN;}} "(" {if(DEBUG) {printf( "L_PAREN: %s (%d)\n", yytext, L_PAREN);} else {if(tok_flag != NULL){print_tok(L_PAREN);}incr(line_number,column_number,L_PAREN);return L_PAREN;}}
@ -84,9 +94,9 @@ SCHAR \\n|\\t|\\\"|[^\"\n\\]
"{" {if(DEBUG) {printf( "L_BRACE: %s (%d)\n", yytext, L_BRACE);} else {if(tok_flag != NULL){print_tok(L_BRACE);}incr(line_number,column_number,L_BRACE);return L_BRACE;}} "{" {if(DEBUG) {printf( "L_BRACE: %s (%d)\n", yytext, L_BRACE);} else {if(tok_flag != NULL){print_tok(L_BRACE);}incr(line_number,column_number,L_BRACE);return L_BRACE;}}
"}" {if(DEBUG) {printf( "R_BRACE: %s (%d)\n", yytext, R_BRACE);} else {if(tok_flag != NULL){print_tok(R_BRACE);}incr(line_number,column_number,R_BRACE);return R_BRACE;}} "}" {if(DEBUG) {printf( "R_BRACE: %s (%d)\n", yytext, R_BRACE);} else {if(tok_flag != NULL){print_tok(R_BRACE);}incr(line_number,column_number,R_BRACE);return R_BRACE;}}
"true" {if(DEBUG) {printf( "C_TRUE: %s (%d)\n", yytext, C_TRUE);} else {if(tok_flag != NULL){print_tok(C_TRUE);}incr(line_number,column_number,C_TRUE);yylval.words = strdup("Boolean");return C_TRUE;}} "true" {if(DEBUG) {printf( "C_TRUE: %s (%d)\n", yytext, C_TRUE);} else {if(tok_flag != NULL){print_tok(C_TRUE);}incr(line_number,column_number,C_TRUE);yylval.tn = boo;return C_TRUE;}}
"false" {if(DEBUG) {printf( "C_FALSE: %s (%d)\n", yytext, C_FALSE);} else {if(tok_flag != NULL){print_tok(C_FALSE);}incr(line_number,column_number,C_FALSE);yylval.words = strdup("Boolean");return C_FALSE;}} "false" {if(DEBUG) {printf( "C_FALSE: %s (%d)\n", yytext, C_FALSE);} else {if(tok_flag != NULL){print_tok(C_FALSE);}incr(line_number,column_number,C_FALSE);yylval.tn = boo;return C_FALSE;}}
"null" {if(DEBUG) {printf( "C_NULL: %s (%d)\n", yytext, C_NULL);} else {if(tok_flag != NULL){print_tok(C_NULL);}incr(line_number,column_number,C_NULL);yylval.words = strdup("address");return C_NULL;}} "null" {if(DEBUG) {printf( "C_NULL: %s (%d)\n", yytext, C_NULL);} else {if(tok_flag != NULL){print_tok(C_NULL);}incr(line_number,column_number,C_NULL);yylval.tn = addr;return C_NULL;}}
{ID} {if(DEBUG) {printf( "ID: %s (%d)\n", yytext, ID);} else {if(tok_flag != NULL){print_tok(ID);}incr(line_number,column_number,ID);yylval.words = strdup(yytext); return ID;}} {ID} {if(DEBUG) {printf( "ID: %s (%d)\n", yytext, ID);} else {if(tok_flag != NULL){print_tok(ID);}incr(line_number,column_number,ID);yylval.words = strdup(yytext); return ID;}}

20
src/symbol_table.c
View File

@ -769,6 +769,26 @@ TableNode *CreateEntry(SymbolTable *table, TableNode *typeOf, char *id,
} }
} }
TableNode *getTypeEntry(TableNode *tn) {
if (tn == NULL) {
printdebug("passed a NULL table entry to getType");
return undefined;
}
if (tn == undefined) {
printdebug("passed an undefined table entry to getType");
return undefined;
}
if (tn->theType == NULL) {
printdebug("type of entry is currently NULL type");
return undefined;
}
if (tn->theType == undefined) {
printdebug("type of entry is currently undefined type");
return undefined;
}
return tn->theType;
}
char *getType(TableNode *tn) { char *getType(TableNode *tn) {
if (tn == NULL) { if (tn == NULL) {
printdebug("passed a NULL table entry to getType"); printdebug("passed a NULL table entry to getType");