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throw_error() function implemented

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Scarlett
2025-04-23 17:11:43 -04:00
parent ecafbf713a
commit 945dda59d0
1 changed files with 68 additions and 49 deletions
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117
src/grammar.y
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@ -23,7 +23,13 @@
extern bool tc_flag;
int token_tracker;
TableNode * tn;
void error_type(TableNode * left, TableNode * right, const char *format, ...);
typedef enum {
ERROR_RUNTIME = 1,
ERROR_SYNTAX = 2,
ERROR_TYPE = 3,
ERROR_UNDEFINED = 4
} ErrorType;
void throw_error(ErrorType error_type, const char *format, ...);
%}
%union {
@ -171,9 +177,9 @@ definition:
printdebug("see function def rule 1\n");
TableNode *node = table_lookup(getAncestor(cur), $1);
if (node == undefined) {
error_type(undefined, undefined, "Undefined node declared.");
printdebug("Undefined node declared.");
}else if(getAdInfoType(node) != TYPE_FUNCTION_DECLARATION){
error_type(undefined, undefined, "Not a valid function declaration.");
throw_error(ERROR_SYNTAX, "Not a valid function declaration.");
}
else {
printdebug("setting as keyword to true");
@ -187,7 +193,7 @@ definition:
//TableNode *parameter = getParameter(table_lookup(getAncestor(cur), getType(table_lookup(getAncestor(cur), $1))));
printdebug("type of parameter: %s", getName(parameter));
if (parameter == undefined) {
error_type(undefined, undefined, "Undefined parameter in function definition.");
throw_error(ERROR_TYPE, "Undefined parameter in function definition.");
}else if(getAdInfoType(parameter) != TYPE_RECORD_TYPE){
int type_of_param_type = getAdInfoType(parameter);//this is an enum value defined in symbol_table.h
if( type_of_param_type == TYPE_UNDEFINED
@ -198,7 +204,7 @@ definition:
|| type_of_param_type == TYPE_SYSTEM_DEFINED
|| type_of_param_type == TYPE_RECORD
|| type_of_param_type == TYPE_STRING){ // note that strings are actually arrays so this is unused
error_type(parameter, undefined, "Invalid type (%s) of parameter in function definition.", getAdInfo(parameter));
throw_error(ERROR_TYPE, "Invalid type (%s) of parameter in function definition.", getAdInfo(parameter));
type_of_param_type = TYPE_UNDEFINED; // setting tag as undefined in these cases
}
if(type_of_param_type == TYPE_UNDEFINED){
@ -226,7 +232,7 @@ definition:
|| type_of_param_type == TYPE_SYSTEM_DEFINED
|| type_of_param_type == TYPE_RECORD_TYPE
|| type_of_param_type == TYPE_STRING){ // note that strings are actually arrays so this is unused
error_type(entry, undefined, "Invalid type (%s) of parameter in function definition.", getAdInfo(entry));
throw_error(ERROR_TYPE, "Invalid type (%s) of parameter in function definition.", getAdInfo(entry));
type_of_param_type = TYPE_UNDEFINED; // setting tag as undefined in these cases
}else{
printdebug("type of parameter correctly being passed in to AS function definition is %s which is valid", getType(entry));
@ -257,9 +263,9 @@ definition:
} idlist R_PAREN ASSIGN sblock {
TableNode *expected = getReturn(getTypeEntry(look_up(cur, $1)));
if ($8 == undefined) {
error_type(undefined, undefined, "Expected %s as return type but got undefined (possibly NULL). Differing return types in function.", getName(expected));
throw_error(ERROR_TYPE, "Expected %s as return type but got undefined (possibly NULL). Differing return types in function.", getName(expected));
} else if ($8 != expected) {
error_type(undefined, undefined, "Expected %s as return type but got %s. Differing return types in function.", getName(expected), getName($8));
throw_error(ERROR_TYPE, "Expected %s as return type but got %s. Differing return types in function.", getName(expected), getName($8));
} else {
printdebug("CORRECT RETURN TYPE!!!");
}
@ -274,7 +280,7 @@ function_declaration:
CreateEntry(cur,TYPE_FUNCTION_DECLARATION, look_up(cur, $4), $2, CreateFunctionDeclarationInfo(-1, false));
}
else{
error_type(undefined, undefined, "Function declatation (%s) is not a valid function type", $2);
throw_error(ERROR_TYPE, "Function declatation (%s) is not a valid function type", $2);
CreateEntry(cur,TYPE_FUNCTION_DECLARATION, look_up(cur, $4), $2, CreateFunctionDeclarationInfo(-1, false));
}
@ -286,7 +292,7 @@ function_declaration:
CreateEntry(cur,TYPE_FUNCTION_DECLARATION, look_up(cur, $5), $3, CreateFunctionDeclarationInfo(-1, false));
}
else{
error_type(undefined, undefined, "Function declatation (%s) is not a valid function type", $3);
throw_error(ERROR_TYPE, "Function declatation (%s) is not a valid function type", $3);
CreateEntry(cur,TYPE_FUNCTION_DECLARATION, look_up(cur, $5), $3, CreateFunctionDeclarationInfo(-1, false));
}
@ -431,7 +437,7 @@ declaration:
printdebug("ID/TYPE: %s, ID: %s", getName((TableNode*)$1), $3) ;
int d = getAdInfoType((TableNode*)$1);
if(d == TYPE_UNDEFINED) {
error_type(undefined, undefined, "Undefined type passed in declaration list");
printdebug("Undefined type passed in declaration list");
CreateEntry(cur,d,(TableNode*)$1,$3,getAdInfo((TableNode*)$1));
}
else if(d == TYPE_FUNCTION_TYPE) {
@ -454,7 +460,7 @@ declaration:
d = TYPE_PRIMITIVE;
CreateEntry(cur,d,(TableNode*)$1,$3,getAdInfo((TableNode*)$1));
}else {
error_type(undefined, undefined, "Invalid type passed in declaration list.");
printdebug("Invalid type passed in declaration list.");
CreateEntry(cur,d,(TableNode*)$1,$3,getAdInfo((TableNode*)$1));
}
}
@ -552,7 +558,7 @@ simple_statement:
node = getTypeEntry((TableNode*)$1);
} else{
error_type(undefined, undefined, "Invalid type passed to assignable.");
printdebug("Invalid type passed to assignable.");
node = undefined;
}
@ -564,7 +570,7 @@ simple_statement:
else if(getAdInfoType(node) == getAdInfoType((TableNode*)$3)){
printdebug("%s[☺] Passed type check; %s = %s", COLOR_GREEN, getName(node), getName((TableNode*)$3));
} else {
error_type(node, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName(node), getName((TableNode*)$3));
}
$$ = undefined;
@ -633,7 +639,7 @@ expression:
$$=(TableNode*)$2;
} else {
$$=undefined;
error_type((TableNode*)$2, boo, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$2), getName(boo));
}
}
@ -644,7 +650,7 @@ expression:
$$=(TableNode*)$1;
} else {
$$=undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -655,7 +661,7 @@ expression:
$$=(TableNode*)$1;
} else {
$$=undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -666,7 +672,7 @@ expression:
$$=(TableNode*)$1;
} else{
$$=undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -677,7 +683,7 @@ expression:
$$=(TableNode*)$1;
} else {
$$=undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -688,7 +694,7 @@ expression:
$$=$1;
} else {
$$=undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -699,7 +705,7 @@ expression:
$$=$1;
} else{
$$=undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -710,7 +716,7 @@ expression:
$$=$1;
} else {
$$=undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -721,7 +727,7 @@ expression:
$$=boo;
} else {
$$=undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -732,7 +738,7 @@ expression:
$$=boo;
} else {
$$ = undefined;
error_type((TableNode*)$1, (TableNode*)$3, "");
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
}
}
@ -755,7 +761,7 @@ expression:
$$= ((TableNode*)$1);
}
else {
error_type(undefined, undefined, "Invalid type passed to expression.");
printdebug("Invalid type passed to expression.");
$$= ((TableNode*)$1);
}
@ -773,7 +779,7 @@ expression:
if(d == TYPE_ARRAY_TYPE || d == TYPE_ARRAY || d == TYPE_RECORD_TYPE || d == TYPE_RECORD) {
$$ = addr;
} else {
error_type(undefined, undefined, "Invalid memOp expression (%s).", getName((TableNode*)$2));
throw_error(ERROR_TYPE, "Invalid memOp expression (%s).", getName((TableNode*)$2));
$$=undefined;
}
}
@ -977,35 +983,48 @@ types:
void error_type(TableNode * left, TableNode * right, const char *format, ...) {
void throw_error(ErrorType error_type, const char *format, ...) {
int line = yylloc.first_line;
int column = yylloc.first_column;
char * error_name = "";
switch (error_type) {
case ERROR_RUNTIME:
error_name = malloc(strlen("RUNTIME") + 1);
strcpy(error_name, "RUNTIME");
break;
case ERROR_SYNTAX:
error_name = malloc(strlen("SYNTAX") + 1);
strcpy(error_name, "SYNTAX");
break;
case ERROR_TYPE:
error_name = malloc(strlen("TYPE") + 1);
strcpy(error_name, "TYPE");
break;
case ERROR_UNDEFINED:
error_name = malloc(strlen("UNDEFINED") + 1);
strcpy(error_name, "UNDEFINED");
break;
}
if (tc_flag) {
yyerror("");
if (strcmp(format, "") == 0) {
if (asc_flag != NULL) {
fprintf(asc_flag, "(%d:%d) ** TYPE ERROR: %s != %s\n", line, column, getName(left), getName(right));
} else {
fprintf(stderr, "%s(%d:%d) ** TYPE ERROR%s: %s%s %s!= %s%s\n",
COLOR_RED, line, column, COLOR_WHITE, COLOR_YELLOW, getName(left), COLOR_WHITE, COLOR_YELLOW, getName(right), COLOR_WHITE);
}
if (asc_flag != NULL) {
fprintf(asc_flag, "(%d:%d) ** %s ERROR: ", line, column, error_name);
va_list args;
va_start(args, format);
vfprintf(asc_flag, format, args);
va_end(args);
fprintf(asc_flag, "\n");
} else {
if (asc_flag != NULL) {
fprintf(asc_flag, "(%d:%d) ** TYPE ERROR: ", line, column);
va_list args;
va_start(args, format);
vfprintf(asc_flag, format, args);
va_end(args);
fprintf(asc_flag, "\n");
} else {
fprintf(stderr, "%s(%d:%d) ** TYPE ERROR%s: %s", COLOR_RED, line, column, COLOR_WHITE, COLOR_YELLOW);
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
fprintf(stderr, "%s\n", COLOR_WHITE);
}
fprintf(stderr, "%s(%d:%d) ** %s ERROR%s: %s", COLOR_RED, line, column, error_name, COLOR_WHITE, COLOR_YELLOW);
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
fprintf(stderr, "%s\n", COLOR_WHITE);
}
}
}