scarlett/compiler-the-translators
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #52 from UB-CSE443/Sprint4-Fix_Assignable_issues#NoTask

Browse Source 
Sprint4 fix assignable issues#no task
This commit is contained in:
Moroseui
2025-04-29 19:03:32 -04:00
committed by GitHub
parent 18a29d7913 4ba6c0d251
commit 2a8aa662a4
7 changed files with 153 additions and 123 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@ -4,7 +4,7 @@ FLEX := flex
BISON = bison
CFLAGS := -ggdb
BISONFLAGS := -d
BISONFLAGS := -d -Wcounterexamples
LEX := src/lexicalStructure.lex
YACC := src/grammar.y

1
src/codegen.c
View File

@ -493,7 +493,6 @@ int generateAssign(Instruction *inst) {
CGNode *op1CG = findCG(getTN(op1));
if (op1CG == NULL) {
printf("failed here\n");
printdebug("generateAssign failed, op1 is not constant but not in CGlist");
return -1;
}

249
src/grammar.y
View File

@ -106,7 +106,6 @@
program:
prototype_or_definition_list
| error { yyerrok; }
;
@ -116,15 +115,14 @@ prototype_or_definition_list:
| definition prototype_or_definition_list
| prototype
| definition
| error { yyerrok; }
| prototype error { yyerrok; }
| definition error { yyerrok; }
;
prototype:
L_PAREN EXTERNAL R_PAREN FUNCTION ID COLON ID
| error { yyerrok; }
;
@ -258,7 +256,11 @@ definition:
TableNode *expected = getReturn(getTypeEntry(look_up(cur, $1)));
if ($8 == undefined) {
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) {
} else if (getAdInfoType(expected)==TYPE_ARRAY_TYPE && $8 == addr){
printdebug("CORRECT RETURN TYPE!!!");
} else if (getAdInfoType(expected)==TYPE_RECORD_TYPE && $8 == addr){
printdebug("CORRECT RETURN TYPE!!!");
}else if ($8 != expected) {
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!!!");
@ -351,8 +353,6 @@ idlist:
printdebug("Type of entry is %s", getType(entry));
printdebug("tag is %d", getAdInfoType(entry));
}
| error { yyerrok; }
;
@ -401,8 +401,6 @@ sblock:
}
R_BRACE
{$$ = $5;}
| error { yyerrok; }
;
@ -423,7 +421,6 @@ dblock:
}
declaration_list R_BRACKET
| error { yyerrok; }
;
@ -432,8 +429,7 @@ dblock:
declaration_list:
declaration SEMI_COLON declaration_list
| declaration
| error { yyerrok; }
| error SEMI_COLON { yyerrok; } declaration_list //only perform error recovery once we see semi-colon
;
@ -473,8 +469,6 @@ declaration:
CreateEntry(cur,d,(TableNode*)$1,$3,getAdInfo((TableNode*)$1));
}
}
| error { yyerrok; }
;
@ -492,8 +486,6 @@ id_or_types:
printdebug("string of type is %s in types pattern of id_or_type rule.",getName((TableNode*)$1));
$$ = (TableNode*)$1;
}
| error { yyerrok; }
;
@ -507,8 +499,16 @@ compound_statement statement_list {
$$ = $1;
} else if ($1 == $2) {
$$ = $1;
}else if((getAdInfoType((TableNode*)$1) == TYPE_ARRAY_TYPE) && ((TableNode*)$2)==addr){
$$ = $1;
}else if((getAdInfoType((TableNode*)$1) == TYPE_RECORD_TYPE) && ((TableNode*)$2)==addr){
$$ = $1;
}else if(((TableNode*)$1)==addr && (getAdInfoType((TableNode*)$2) == TYPE_ARRAY_TYPE)){
$$ = $2;
}else if(((TableNode*)$1)==addr && (getAdInfoType((TableNode*)$2) == TYPE_RECORD_TYPE)){
$$ = $2;
} else {
printdebug("differing return types within same function at line %d, column %d", @1.first_line, @1.first_column);
printdebug("1 differing return types within same function at line %d, column %d", @1.first_line, @1.first_column);
$$ = undefined;
}
}
@ -522,14 +522,23 @@ compound_statement statement_list {
$$ = $1;
} else if ($1 == $3) {
$$ = $1;
}else if((getAdInfoType((TableNode*)$1) == TYPE_ARRAY_TYPE) && ((TableNode*)$3)==addr){
$$ = $1;
}else if((getAdInfoType((TableNode*)$1) == TYPE_RECORD_TYPE) && ((TableNode*)$3)==addr){
$$ = $1;
}else if(((TableNode*)$1)==addr && (getAdInfoType((TableNode*)$3) == TYPE_ARRAY_TYPE)){
$$ = $3;
}else if(((TableNode*)$1)==addr && (getAdInfoType((TableNode*)$3) == TYPE_RECORD_TYPE)){
$$ = $3;
} else {
printdebug("differing return types within same function at line %d, column %d", @1.first_line, @1.first_column);
printdebug("2 differing return types within same function at line %d, column %d", @1.first_line, @1.first_column);
$$ = undefined;
}
}
| simple_statement SEMI_COLON {
$$ = $1;
}
| error SEMI_COLON { yyerrok; } statement_list { $$ = $4; }
;
@ -546,8 +555,18 @@ WHILE L_PAREN expression R_PAREN sblock {
$$ = $6;
} else if ($6 == $8) {
$$ = $6;
}else if((getAdInfoType((TableNode*)$6) == TYPE_ARRAY_TYPE) && ((TableNode*)$8)==addr){
$$ = $6;
}else if((getAdInfoType((TableNode*)$6) == TYPE_RECORD_TYPE) && ((TableNode*)$8)==addr){
$$ = $6;
}else if(((TableNode*)$6)==addr && (getAdInfoType((TableNode*)$8) == TYPE_ARRAY_TYPE)){
$$ = $8;
}else if(((TableNode*)$6)==addr && (getAdInfoType((TableNode*)$8) == TYPE_RECORD_TYPE)){
$$ = $8;
} else {
printdebug("differing return types within same function at line %d, column %d", @1.first_line, @1.first_column);
printdebug("3 differing return types within same function at line %d, column %d", @1.first_line, @1.first_column);
printf("%s\n", getName((TableNode*)$6));
printf("%s\n", getName((TableNode*)$8));
$$ = undefined;
}
}
@ -564,23 +583,36 @@ simple_statement:
assignable ASSIGN expression
{ printdebug("simple statement");
TableNode* node;
if((getAdInfoType((TableNode*)$1) == TYPE_FUNCTION_DECLARATION)||
(getAdInfoType((TableNode*)$1) == TYPE_ARRAY)||
(getAdInfoType((TableNode*)$1) == TYPE_RECORD)||
(getAdInfoType((TableNode*)$1) == TYPE_PRIMITIVE)){
if((getAdInfoType((getTypeEntry((TableNode*)$1))) == TYPE_FUNCTION_TYPE)||
(getAdInfoType((getTypeEntry((TableNode*)$1))) == TYPE_ARRAY_TYPE)||
(getAdInfoType((getTypeEntry((TableNode*)$1))) == TYPE_RECORD_TYPE)||
(getAdInfoType((getTypeEntry((TableNode*)$1))) == TYPE_PRIMITIVE_TYPE)){
node = ((TableNode*)$1);
} else{
printdebug("Invalid type passed to assignable.");
node = undefined;
}
node = ((TableNode*)$1);
} else {
printf("%d\n",getAdInfoType((getTypeEntry((TableNode*)$1))));
throw_error(ERROR_TYPE, "Invalid type passed to assignable.");
printf("%d, %d\n", @1.first_line, @1.first_column);
printf("%s\n", getType(getTypeEntry((TableNode*)$1)));
printf("%s\n\n", getType(getTypeEntry((TableNode*)$3)));
node = undefined;
}
if(getAdInfoType(node) == getAdInfoType((TableNode*)$3)){
emit_assignment($1, tn_or_const(NODE, $3));
printdebug("%s[☺] Passed type check; %s = %s", COLOR_GREEN, getName(node), getName((TableNode*)$3));
} else {
throw_error(ERROR_TYPE, "%s != %s", getName(node), getName((TableNode*)$3));
printdebug("%s[☺] Passed type check; %s = %s", COLOR_GREEN, getType(node), getType((TableNode*)$3));
} else if (getTypeEntry(getTypeEntry(node)) == arrayprim && getTypeEntry((TableNode*)$3) == addr) {
emit_assignment($1, tn_or_const(NODE, $3));
printdebug("%s[☺] Passed type check; %s = %s", COLOR_GREEN, getType(node), getType((TableNode*)$3));
} else if (getTypeEntry(getTypeEntry(node)) == recprime && getTypeEntry((TableNode*)$3) == addr) {
emit_assignment($1, tn_or_const(NODE, $3));
printdebug("%s[☺] Passed type check; %s = %s", COLOR_GREEN, getType(node), getType((TableNode*)$3));
}
else {
throw_error(ERROR_TYPE, "Assignable Assign Expression - Object %s of type %s != Object %s of type %s", getName(node), getType(node), getName((TableNode*)$3), getType((TableNode*)$3));
}
$$ = undefined;
@ -588,8 +620,8 @@ simple_statement:
| RETURN expression {$$ = getTypeEntry((TableNode*)$2);}
|simple_statement error {yyerrok; printdebug("error in simple statement");}
| error { yyerrok; }
;
@ -598,7 +630,6 @@ simple_statement:
rec_op:
DOT
| error { yyerrok; }
;
@ -610,7 +641,6 @@ ablock:
printdebug("ablock is %d", $$);
}
| error { yyerrok; }
;
@ -620,18 +650,17 @@ argument_list:
//NEED TO EMIT PARAMETERS HERE. MAYBE USE STACK STRUCTURE
expression COMMA argument_list
{
CreateEntry(cur,getAdInfoType((TableNode*)$1), (TableNode*)$1, getName((TableNode*)$1), NULL);
CreateEntry(cur, getAdInfoType((TableNode*)$1), getTypeEntry((TableNode*)$1), arg_var_gen(), NULL);
$$ = $3 + 1;
printdebug("[ARGUMENT_LIST] argument list is %d", $$);
}
| expression
{
CreateEntry(cur,getAdInfoType((TableNode*)$1),(TableNode*)$1, getName((TableNode*)$1), NULL);
CreateEntry(cur, getAdInfoType((TableNode*)$1), getTypeEntry((TableNode*)$1), getName((TableNode*)$1), NULL);
$$ = 1; printdebug("[ARGUMENT_LIST] argument list is %d", $$);
}
| error { yyerrok; }
;
@ -656,7 +685,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName(getTypeEntry((TableNode*)$2)), getName(integ));
throw_error(ERROR_TYPE, "Object %s of type %s is not of type integer and can't be negated", getName((TableNode*)$2), getType((TableNode*)$2));
}
}
@ -672,7 +701,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$2), getName(boo));
throw_error(ERROR_TYPE, "Object %s of type %s is not of type Boolean and can't be negated", getName((TableNode*)$2), getType((TableNode*)$2));
}
}
@ -687,6 +716,7 @@ expression:
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be integers", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -701,7 +731,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be integers", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -715,7 +745,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be integers", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -729,7 +759,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be integers", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -743,7 +773,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be integers", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -757,7 +787,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be Boolean", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -771,7 +801,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be Boolean", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -785,7 +815,7 @@ expression:
$$ = node;
} else {
$$=undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be integers", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -800,7 +830,7 @@ expression:
} else {
$$ = undefined;
throw_error(ERROR_TYPE, "%s != %s", getName((TableNode*)$1), getName((TableNode*)$3));
throw_error(ERROR_TYPE, "Object %s of type %s and Object %s of type %s must both be the same type", getName((TableNode*)$1), getType((TableNode*)$1), getName((TableNode*)$3), getType((TableNode*)$3));
}
}
@ -824,12 +854,10 @@ expression:
//NOTE ADD ASSIGNMENT EMIT HERE (MIGHT NEED TO PUSH TO STACK)
$$ = node;
} else {
throw_error(ERROR_TYPE, "Invalid memOp expression (%s).", getName((TableNode*)$2));
throw_error(ERROR_TYPE, "Invalid memOp expression with object %s of type %s.", getName((TableNode*)$2), getType((TableNode*)$2));
$$=undefined;
}
}
| error { yyerrok; }
;
@ -852,6 +880,8 @@ assignable:
| assignable
{
printdebug("%sBeginning rule 2 of assignable.", COLOR_CYAN);
//Creating a dummy scope where we create entries for all the arguments of a function call
//Must also consider that we might be in an array access
cur = CreateScope(cur, -1,-1);
}
//we have to consider emmissions in ablocks
@ -864,65 +894,55 @@ assignable:
if (type == TYPE_FUNCTION_TYPE) {
printdebug("%sEntering function call", COLOR_LIGHTGREEN);
if (look_up(getParent(cur), getType((TableNode*)$1))->additionalinfo->FunDecAdInfo->regularoras) {
printdebug("as function");
//char *funtype = getType(look_up(cur, $1));
//printdebug("%s", getType(look_up(cur, getName((TableNode*)$1))));
TableNode * typeNode = getTypeEntry((TableNode*)$1);
TableNode *param = getParameter(typeNode);
printTableNode(param);
if (getAdInfoType(param) == TYPE_RECORD_TYPE) {
SymbolTable *recList = getRecList(param);
TableNode *lastCheckedRef = getFirstEntry(recList);
TableNode *lastCheckedAct = getFirstEntry(cur);
while (getNextEntry(lastCheckedRef) != NULL) {
lastCheckedRef = getNextEntry(lastCheckedRef);
//getting the parameter. The type of assignable is a function type so we need to access the paramater of the type
TableNode *expected = getParameter(getTypeEntry((TableNode*)$1));
//Jump into case where the parameter is a record type
if(getAdInfoType(expected) == TYPE_RECORD_TYPE){
//int argument_size = getRecSize(cur);
int parameter_size = getRecSize(getRecList(expected));
printdebug("argument size is %d\n", $3);
printdebug("parameter size is %d\n", parameter_size);
if ($3 != parameter_size) {
throw_error(ERROR_SYNTAX, "expected %d arguments for this function but got %d", parameter_size, $3);
}else{
TableNode* param_arg_type = getFirstEntry(getRecList(expected));
TableNode* arg_given = getFirstEntry(cur);
while(arg_given != NULL && getName(arg_given)[0]!='&'){
arg_given = getNextEntry(arg_given);
}
if ($3 != getRecLength(param)) {
printdebug("expected %d arguments but got %d", getRecLength(param), $3);
if(getTypeEntry(arg_given) != param_arg_type){
throw_error(ERROR_TYPE, "expected %s expression as first argument in function call but got %s", getName(param_arg_type), getType(arg_given));
}
//this isn't very efficient, but will hopefully work
while (lastCheckedAct != NULL && lastCheckedRef != NULL) {
if (getTypeEntry(lastCheckedRef) != getTypeEntry(lastCheckedAct)) {
printdebug("expected %s. expression in function call got %s. at line %d and column %d",getType(lastCheckedRef), getName(lastCheckedAct), @3.first_line, @3.first_column);
param_arg_type = getNextEntry(param_arg_type);
arg_given = getNextEntry(arg_given);
while(arg_given != NULL && param_arg_type != NULL){
while(arg_given != NULL && getName(arg_given)[0]=='&'){
arg_given = getNextEntry(arg_given);
}
lastCheckedAct = getNextEntry(lastCheckedAct);
TableNode *tn = getFirstEntry(recList);
if (tn != lastCheckedRef) {
while (getNextEntry(tn) != lastCheckedRef) {
tn = getNextEntry(tn);
}
lastCheckedRef = tn;
} else {break;}
}
} else {
if (strcmp(getName(param), getName(getFirstEntry(cur))) != 0) {
printdebug("expected %s expression in function call but got %s", getName(param), getName(getFirstEntry(cur)));
}
if (getNextEntry(getFirstEntry(cur)) != NULL) {
printdebug("expected 1 parameter, but got multiple in function call");
if(getTypeEntry(arg_given) != param_arg_type){
throw_error(ERROR_TYPE, "expected %s expression as argument in function call but got %s", getName(param_arg_type), getType(arg_given));
}
arg_given = getNextEntry(arg_given);
param_arg_type = getNextEntry(param_arg_type);
}
}
} else {
char *expected = getName(getParameter(look_up(getParent(cur), getType((TableNode*)$1))));
char *actual = getType(getFirstEntry(cur));
if (strcmp(expected, actual) != 0) {
printdebug("expected %s expression in function call but got %s at line %d and column %d",expected, actual, @3.first_line, @3.first_column);
}
if ($3 != 1) {
printdebug("expected 1 argument but got %d", $3);
}else{
TableNode*actual_instance = getFirstEntry(cur);
while(actual_instance != NULL && getName(actual_instance)[0] =='&'){
actual_instance = getNextEntry(actual_instance);
}
if(actual_instance == NULL){
throw_error(ERROR_TYPE, "Invalid function call. No arguments passed");
break;
}
TableNode *actual = getTypeEntry(actual_instance);
if (expected != actual) {
throw_error(ERROR_TYPE, "expected %s expression in function call but got %s", getName(expected), getName(actual));
}
if ($3 != 1) {
throw_error(ERROR_SYNTAX, "expected 1 argument but got %d", $3); }
printTableNode(getReturn(getTypeEntry((TableNode*)$1)));
//
}
char* temp = temp_var_gen();
TableNode* typeNode2 = getReturn(getTypeEntry($1));
int t = -1;
@ -935,21 +955,21 @@ assignable:
else if(getAdInfoType(typeNode2) == TYPE_RECORD_TYPE){
t = TYPE_RECORD;
}
//this may need to be updated to provide the correct name of things
else if(getAdInfoType(typeNode2) == TYPE_FUNCTION_TYPE){
t = TYPE_FUNCTION_DECLARATION;
}else{
t= TYPE_UNDEFINED;
printdebug("CHANGE ME [TYPE CHECK] Undefined type stored in record. improper.");
throw_error(ERROR_TYPE, "Undefined type returned by function.");
}
TableNode* node = CreateEntry(cur,t, typeNode2, temp, NULL);
$$ = node;
//NOTE ADD ASSIGNMENT EMIT HERE (MIGHT NEED TO PUSH TO STACK for function call)
printdebug("[ASSIGNABLE - RULE 2] assignable = type: %s | name_func = %s", getName(typeNode2), getName((TableNode*)$1));
} else if (type == TYPE_ARRAY_TYPE) {
printdebug("%sEntering array call", COLOR_LIGHTGREEN);
if (getNumArrDim(look_up(getParent(cur), getType((TableNode*)$1))) != $<integ>2) {
printdebug("expected %d arguments but had %d at line %d and column %d\n", getNumArrDim(look_up(cur, getName((TableNode*)$1))), $<integ>2, @2.first_line, @2.first_column);
throw_error(ERROR_SYNTAX, "expected %d arguments for this array but got %d", getNumArrDim(look_up(cur, getName((TableNode*)$1))), $<integ>2);
}
char* temp = temp_var_gen();
@ -968,7 +988,7 @@ assignable:
t = TYPE_FUNCTION_DECLARATION;
}else{
t= TYPE_UNDEFINED;
printdebug("CHANGE ME [TYPE CHECK] Undefined type stored in record. improper.");
throw_error(ERROR_TYPE, "Undefined type stored in array.");
}
TableNode* node = CreateEntry(cur,t, typeNode2, temp, NULL);
//emit assign here
@ -981,12 +1001,12 @@ assignable:
| assignable rec_op ID
{
if(getAdInfoType((TableNode*)$1) != TYPE_RECORD_TYPE){
printdebug("CHANGE ME [TYPE CHECK]Invalid type passed to record access");
if(getAdInfoType((TableNode*)$1) != TYPE_RECORD){
throw_error(ERROR_TYPE, "Invalid type passed to record access");
}
else if(undefined != table_lookup(getRecList(table_lookup(getAncestor(cur), getName(getTypeEntry((TableNode*)$1)))), $3)) {
TableNode* type = table_lookup(getRecList(table_lookup(getAncestor(cur), getName(getTypeEntry((TableNode*)$1)))), $3);
TableNode* type = getTypeEntry(table_lookup(getRecList(table_lookup(getAncestor(cur), getName(getTypeEntry((TableNode*)$1)))), $3));
char* temp = temp_var_gen();
int t = -1;
if(getAdInfoType(type) == TYPE_PRIMITIVE_TYPE){
@ -1002,7 +1022,7 @@ assignable:
t = TYPE_FUNCTION_DECLARATION;
}else{
t= TYPE_UNDEFINED;
printdebug("CHANGE ME [TYPE CHECK] Undefined type stored in record. improper.");
throw_error(ERROR_TYPE, "Undefined type stored in record.");
}
TableNode* node = CreateEntry(cur,t, type, temp, NULL);
@ -1010,13 +1030,12 @@ assignable:
//emit_field_access(char* node, char* record, $3)
$$=node;
}else{
printdebug("CHANGE ME [TYPE CHECK] undefined type (Field Access Lookup failed)");
throw_error(ERROR_TYPE, "Invalid field access %s", $3);
$$=undefined;
}
printdebug("[ASSIGNABLE - RULE 3] record = name: %s | field = %s", getName((TableNode*)($1)), getName((TableNode*)$3));
}
| error { yyerrok; }
;
@ -1033,7 +1052,6 @@ memOp:
printdebug("release expression");
}
| error { yyerrok; }
;
@ -1186,7 +1204,7 @@ void throw_error(ErrorType error_type, const char *format, ...) {
return;
}
snprintf(total_error_message, total_needed, "%s%s\n\n", error_message, error_message2);
snprintf(total_error_message, total_needed, "%s%s\n", error_message, error_message2);
if (tc_flag) {
insert_code_line(total_error_message, line);
} else {
@ -1208,9 +1226,9 @@ void yyerror(const char *err) {
// Grammar Fallback Case
if (strcmp(err, "syntax error") == 0) {
if (asc_flag != NULL) {
int needed = snprintf(NULL, 0, " LINE (%d:%d) ** SYNTAX ERROR: Incorrect syntax at token '%s'\n\n", line, column, yytext);
int needed = snprintf(NULL, 0, " LINE (%d:%d) ** SYNTAX ERROR: Incorrect syntax at token '%s'\n", line, column, yytext);
char *error_message = malloc(needed + 1);
snprintf(error_message, needed + 1, " LINE (%d:%d) ** SYNTAX ERROR: Incorrect syntax at token '%s'\n\n", line, column, yytext);
snprintf(error_message, needed + 1, " LINE (%d:%d) ** SYNTAX ERROR: Incorrect syntax at token '%s'\n", line, column, yytext);
insert_code_line(error_message, line);
}
else {
@ -1218,3 +1236,4 @@ void yyerror(const char *err) {
}
}
}

11
src/runner.c
View File

@ -247,7 +247,7 @@ int is_alpha_file(char *alpha, int file_len) {
return 0; // is alpha file
}
void insert_code_line(char * error_message, int line_number) {
void insert_code_line(char *error_message, int line_number) {
CodeLine *error_line = malloc(sizeof(CodeLine));
error_line->line_number = line_number;
error_line->line = malloc(strlen(error_message) + 1);
@ -259,11 +259,14 @@ void insert_code_line(char * error_message, int line_number) {
int line = error_line->line_number;
CodeLine *current = code_head;
while (current != NULL) {
if (current->line_number == line) {
CodeLine *next_code_line = current->next;
current->next = error_line;
error_line->next = next_code_line;
if (current->is_error == false) {
CodeLine *next_code_line = current->next;
current->next = error_line;
error_line->next = next_code_line;
}
}
current = current->next;
}

7
src/symbol_table.c
View File

@ -5,6 +5,7 @@
Constant_Stack *head = NULL;
int temp2_count = 0;
int temp3_count = 0;
void printdebug_impl(char *file, int line, const char *format, ...) {
if (DEBUG) {
@ -24,6 +25,12 @@ char *temp_var_gen() {
temp2_count++;
return ret;
}
char *arg_var_gen() {
char *ret = calloc(9, sizeof(*ret));
sprintf(ret, "&t%d", temp3_count);
temp3_count++;
return ret;
}
Constant_Stack *Push(TableNode *type, void *value, bool isConst) {
if (type == NULL || type == undefined) {

2
src/symbol_table.h
View File

@ -101,6 +101,7 @@ void printdebug_impl(char *file, int line, const char *format, ...);
printdebug_impl(__FILE__, __LINE__, format, ##__VA_ARGS__)
char *temp_var_gen();
char *arg_var_gen();
Constant_Stack *Push(TableNode *type, void *value, bool isConst);
Constant_Stack *Pop();
Constant_Stack *Print_Stack();
@ -165,6 +166,7 @@ extern int column_number;
extern FILE *yyin;
extern bool DEBUG;
extern int temp2_count;
extern int temp3_count;
extern TableNode *funprime;
extern TableNode *arrayprim;
extern TableNode *integ;

4
tests/carl/NoErrors/functionValue.alpha
View File

@ -56,11 +56,11 @@ c(x) := {
entry is the first function called
*)
entry(arg) := {
[integer: result; string2int: f; integer: temp]
[integer: result; string2int: f; integer: temp; character: char]
temp := a("Hello");
f := b(temp);
result := c(f);
if (d(1,2,'c'))
if (d(1,2,char))
then {
result := 0;
}