void stmt_list_parse(node* list) {
while(list) {
if(list && list->type == LIST_NODE) {
node* n = list->u.list.start;
if(n->type == ASSIGN_NODE) {
//printf("generating assignment quad in BB %s\n", currentBlock->name);
gen_assign(n);
} else if(n->type == BINOP_NODE) {
gen_rvalue(n, NULL);
} else if(n->type == UNOP_NODE) {
gen_rvalue(n, NULL);
} else if(n->type == IF_NODE || n->type == IFELSE_NODE) {
gen_if(n);
} else if(n->type == FOR_NODE) {
gen_for(n);
} else if(n->type == WHILE_NODE) {
gen_while(n);
} else if(n->type == JUMP_NODE) {
gen_jmp(n);
} else if(n->type == CALL_NODE) { //Function Call
int argnum = n->u.call.argnum;
qnode* num = qnode_new(Q_CONSTANT);
num->name = malloc(100);
sprintf(num->name, "%i", argnum);
num->u.value = argnum;
emit(O_ARGNUM, NULL, num, NULL);
if(argnum) { //Generate argument quad
node* argptr = n->u.call.args;
while(argptr) {
emit(O_ARGDEF, NULL, gen_rvalue(argptr->u.list.start, NULL), NULL);
if(argptr->next) {
argptr = argptr->next;
} else {
break;
}
}
}
emit(O_CALL, NULL, gen_rvalue(n->u.call.function, NULL), NULL);
} else if(n->type == IDENT_NODE || n->type == DEFAULT_NODE) {
//do nothing
} else {
fprintf(stderr, "QUAD ERROR: Unrecognized Node Type %i\n", n->type);
exit(1);
}
if(list->next) {
list = list->next;
} else {
break;
}
} else {
fprintf(stderr, "QUAD ERROR: Invalid Statement List\n");
break;
}
}
}
LLVMValueRef gen_expr(compile_t* c, ast_t* ast)
{
LLVMValueRef ret;
bool has_scope = ast_has_scope(ast);
bool has_source = codegen_hassource(c);
if(has_scope)
{
codegen_pushscope(c);
// Dwarf a new lexical scope, if necessary.
if(has_source)
dwarf_lexicalscope(&c->dwarf, ast);
}
switch(ast_id(ast))
{
case TK_SEQ:
ret = gen_seq(c, ast);
break;
case TK_FVARREF:
case TK_FLETREF:
ret = gen_fieldload(c, ast);
break;
case TK_PARAMREF:
ret = gen_param(c, ast);
break;
case TK_VAR:
case TK_LET:
ret = gen_localdecl(c, ast);
break;
case TK_VARREF:
case TK_LETREF:
ret = gen_localload(c, ast);
break;
case TK_IF:
ret = gen_if(c, ast);
break;
case TK_WHILE:
ret = gen_while(c, ast);
break;
case TK_REPEAT:
ret = gen_repeat(c, ast);
break;
case TK_TRY:
case TK_TRY_NO_CHECK:
ret = gen_try(c, ast);
break;
case TK_MATCH:
ret = gen_match(c, ast);
break;
case TK_CALL:
ret = gen_call(c, ast);
break;
case TK_CONSUME:
ret = gen_expr(c, ast_childidx(ast, 1));
break;
case TK_RECOVER:
ret = gen_expr(c, ast_childidx(ast, 1));
break;
case TK_BREAK:
ret = gen_break(c, ast);
break;
case TK_CONTINUE:
ret = gen_continue(c, ast);
break;
case TK_RETURN:
ret = gen_return(c, ast);
break;
case TK_ERROR:
ret = gen_error(c, ast);
break;
case TK_IS:
ret = gen_is(c, ast);
break;
case TK_ISNT:
ret = gen_isnt(c, ast);
break;
case TK_ASSIGN:
ret = gen_assign(c, ast);
break;
case TK_THIS:
ret = gen_this(c, ast);
break;
case TK_TRUE:
ret = LLVMConstInt(c->i1, 1, false);
break;
case TK_FALSE:
ret = LLVMConstInt(c->i1, 0, false);
break;
case TK_INT:
ret = gen_int(c, ast);
break;
case TK_FLOAT:
ret = gen_float(c, ast);
break;
case TK_STRING:
ret = gen_string(c, ast);
break;
case TK_TUPLE:
ret = gen_tuple(c, ast);
break;
case TK_FFICALL:
ret = gen_ffi(c, ast);
break;
case TK_AMP:
ret = gen_addressof(c, ast);
break;
case TK_IDENTITY:
ret = gen_identity(c, ast);
break;
case TK_DONTCARE:
ret = GEN_NOVALUE;
break;
case TK_COMPILER_INTRINSIC:
ast_error(ast, "unimplemented compiler intrinsic");
LLVMBuildUnreachable(c->builder);
ret = GEN_NOVALUE;
break;
default:
ast_error(ast, "not implemented (codegen unknown)");
return NULL;
}
if(has_scope)
{
codegen_popscope(c);
if(has_source)
dwarf_finish(&c->dwarf);
}
return ret;
}
LLVMValueRef gen_expr(compile_t* c, ast_t* ast)
{
LLVMValueRef ret;
bool has_scope = ast_has_scope(ast);
if(has_scope)
codegen_pushscope(c, ast);
switch(ast_id(ast))
{
case TK_SEQ:
ret = gen_seq(c, ast);
break;
case TK_FVARREF:
case TK_FLETREF:
ret = gen_fieldload(c, ast);
break;
case TK_EMBEDREF:
ret = gen_fieldptr(c, ast);
break;
case TK_PARAMREF:
ret = gen_param(c, ast);
break;
case TK_VAR:
case TK_LET:
case TK_MATCH_CAPTURE:
ret = gen_localdecl(c, ast);
break;
case TK_VARREF:
case TK_LETREF:
ret = gen_localload(c, ast);
break;
case TK_IF:
ret = gen_if(c, ast);
break;
case TK_WHILE:
ret = gen_while(c, ast);
break;
case TK_REPEAT:
ret = gen_repeat(c, ast);
break;
case TK_TRY:
case TK_TRY_NO_CHECK:
ret = gen_try(c, ast);
break;
case TK_MATCH:
ret = gen_match(c, ast);
break;
case TK_CALL:
ret = gen_call(c, ast);
break;
case TK_CONSUME:
ret = gen_expr(c, ast_childidx(ast, 1));
break;
case TK_RECOVER:
ret = gen_expr(c, ast_childidx(ast, 1));
break;
case TK_BREAK:
ret = gen_break(c, ast);
break;
case TK_CONTINUE:
ret = gen_continue(c, ast);
break;
case TK_RETURN:
ret = gen_return(c, ast);
break;
case TK_ERROR:
ret = gen_error(c, ast);
break;
case TK_IS:
ret = gen_is(c, ast);
break;
case TK_ISNT:
ret = gen_isnt(c, ast);
break;
case TK_ASSIGN:
ret = gen_assign(c, ast);
break;
case TK_THIS:
ret = gen_this(c, ast);
break;
case TK_TRUE:
ret = LLVMConstInt(c->i1, 1, false);
break;
case TK_FALSE:
ret = LLVMConstInt(c->i1, 0, false);
break;
case TK_INT:
ret = gen_int(c, ast);
break;
case TK_FLOAT:
ret = gen_float(c, ast);
break;
case TK_STRING:
ret = gen_string(c, ast);
break;
case TK_TUPLE:
ret = gen_tuple(c, ast);
break;
case TK_FFICALL:
ret = gen_ffi(c, ast);
break;
case TK_ADDRESS:
ret = gen_addressof(c, ast);
break;
case TK_DIGESTOF:
ret = gen_digestof(c, ast);
break;
case TK_DONTCARE:
ret = GEN_NOVALUE;
break;
case TK_COMPILE_INTRINSIC:
ast_error(c->opt->check.errors, ast, "unimplemented compile intrinsic");
return NULL;
case TK_COMPILE_ERROR:
{
ast_t* reason_seq = ast_child(ast);
ast_t* reason = ast_child(reason_seq);
ast_error(c->opt->check.errors, ast, "compile error: %s",
ast_name(reason));
return NULL;
}
default:
ast_error(c->opt->check.errors, ast, "not implemented (codegen unknown)");
return NULL;
}
if(has_scope)
codegen_popscope(c);
return ret;
}