int tok;
MEM_VECTOR_MAKE(ast_value*, globals);
+ MEM_VECTOR_MAKE(ast_function*, functions);
+ MEM_VECTOR_MAKE(ast_value*, imm_float);
+
+ ast_function *function;
+ MEM_VECTOR_MAKE(ast_value*, locals);
+ size_t blocklocal;
} parser_t;
MEM_VEC_FUNCTIONS(parser_t, ast_value*, globals)
+MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_float)
+MEM_VEC_FUNCTIONS(parser_t, ast_value*, locals)
+MEM_VEC_FUNCTIONS(parser_t, ast_function*, functions)
void parseerror(parser_t *parser, const char *fmt, ...)
{
#define parser_token(p) (p->lex->tok)
#define parser_ctx(p) (p->lex->tok->ctx)
+ast_value* parser_const_float(parser_t *parser, double d)
+{
+ size_t i;
+ ast_value *out;
+ for (i = 0; i < parser->imm_float_count; ++i) {
+ if (parser->imm_float[i]->constval.vfloat == d)
+ return parser->imm_float[i];
+ }
+ out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
+ out->isconst = true;
+ out->constval.vfloat = d;
+ if (!parser_t_imm_float_add(parser, out)) {
+ ast_value_delete(out);
+ return NULL;
+ }
+ return out;
+}
+
ast_value* parser_find_global(parser_t *parser, const char *name)
{
size_t i;
return NULL;
}
+ast_value* parser_find_local(parser_t *parser, const char *name, size_t upto)
+{
+ size_t i;
+ ast_value *fun;
+ for (i = parser->locals_count; i > upto;) {
+ --i;
+ if (!strcmp(parser->locals[i]->name, name))
+ return parser->locals[i];
+ }
+ fun = parser->function->vtype;
+ for (i = 0; i < fun->params_count; ++i) {
+ if (!strcmp(fun->params[i]->name, name))
+ return fun->params[i];
+ }
+ return NULL;
+}
+
+ast_value* parser_find_var(parser_t *parser, const char *name)
+{
+ ast_value *v;
+ v = parser_find_local(parser, name, 0);
+ if (!v) v = parser_find_global(parser, name);
+ return v;
+}
+
typedef struct {
MEM_VECTOR_MAKE(ast_value*, p);
} paramlist_t;
MEM_VEC_FUNCTIONS(paramlist_t, ast_value*, p)
-ast_value *parser_parse_type(parser_t *parser)
+static ast_value *parser_parse_type(parser_t *parser, int basetype, bool *isfunc)
{
paramlist_t params;
ast_value *var;
lex_ctx ctx = parser_ctx(parser);
- int vtype = parser_token(parser)->constval.t;
+ int vtype = basetype;
+ int temptype;
+ size_t i;
MEM_VECTOR_INIT(¶ms, p);
- if (!parser_next(parser))
- return NULL;
+ *isfunc = false;
if (parser->tok == '(') {
+ *isfunc = true;
while (true) {
ast_value *param;
+ bool dummy;
- if (!parser_next(parser)) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
- }
+ if (!parser_next(parser))
+ goto on_error;
+
+ if (parser->tok == ')')
+ break;
+
+ temptype = parser_token(parser)->constval.t;
+ if (!parser_next(parser))
+ goto on_error;
- param = parser_parse_type(parser);
- if (!param) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
+ param = parser_parse_type(parser, temptype, &dummy);
+ (void)dummy;
+
+ if (!param)
+ goto on_error;
+
+ if (parser->tok == TOKEN_IDENT) {
+ /* named parameter */
+ if (!ast_value_set_name(param, parser_tokval(parser)))
+ goto on_error;
+ if (!parser_next(parser))
+ goto on_error;
}
if (!paramlist_t_p_add(¶ms, param)) {
- MEM_VECTOR_CLEAR(¶ms, p);
parseerror(parser, "Out of memory while parsing typename");
- return NULL;
+ goto on_error;
}
if (parser->tok == ',')
continue;
if (parser->tok == ')')
break;
- MEM_VECTOR_CLEAR(¶ms, p);
parseerror(parser, "Unexpected token");
- return NULL;
- }
- if (!parser_next(parser)) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
+ goto on_error;
}
+ if (!parser_next(parser))
+ goto on_error;
}
var = ast_value_new(ctx, "<unnamed>", vtype);
- if (!var) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
- }
+ if (!var)
+ goto on_error;
MEM_VECTOR_MOVE(¶ms, p, var, params);
return var;
+on_error:
+ for (i = 0; i < params.p_count; ++i)
+ ast_value_delete(params.p[i]);
+ MEM_VECTOR_CLEAR(¶ms, p);
+ return NULL;
+}
+
+typedef struct
+{
+ size_t etype; /* 0 = expression, others are operators */
+ int paren;
+ ast_expression *out;
+ ast_value *value; /* need to know if we can assign */
+ lex_ctx ctx;
+} sy_elem;
+typedef struct
+{
+ MEM_VECTOR_MAKE(sy_elem, out);
+ MEM_VECTOR_MAKE(sy_elem, ops);
+} shunt;
+MEM_VEC_FUNCTIONS(shunt, sy_elem, out)
+MEM_VEC_FUNCTIONS(shunt, sy_elem, ops)
+
+static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
+ sy_elem e;
+ e.etype = 0;
+ e.out = v;
+ e.value = NULL;
+ e.ctx = ctx;
+ e.paren = 0;
+ return e;
+}
+static sy_elem syval(lex_ctx ctx, ast_value *v) {
+ sy_elem e;
+ e.etype = 0;
+ e.out = (ast_expression*)v;
+ e.value = v;
+ e.ctx = ctx;
+ e.paren = 0;
+ return e;
+}
+
+static sy_elem syop(lex_ctx ctx, const oper_info *op) {
+ sy_elem e;
+ e.etype = 1 + (op - operators);
+ e.out = NULL;
+ e.value = NULL;
+ e.ctx = ctx;
+ e.paren = 0;
+ return e;
+}
+
+static sy_elem syparen(lex_ctx ctx, int p) {
+ sy_elem e;
+ e.etype = 0;
+ e.out = NULL;
+ e.value = NULL;
+ e.ctx = ctx;
+ e.paren = p;
+ return e;
+}
+
+static bool parser_sy_pop(parser_t *parser, shunt *sy)
+{
+ const oper_info *op;
+ lex_ctx ctx;
+ ast_expression *out = NULL;
+ ast_expression *exprs[3];
+ ast_value *vars[3];
+ size_t i;
+
+ if (!sy->ops_count) {
+ parseerror(parser, "internal error: missing operator");
+ return false;
+ }
+
+ if (sy->ops[sy->ops_count-1].paren) {
+ parseerror(parser, "unmatched parenthesis");
+ return false;
+ }
+
+ op = &operators[sy->ops[sy->ops_count-1].etype - 1];
+ ctx = sy->ops[sy->ops_count-1].ctx;
+
+ if (sy->out_count < op->operands) {
+ parseerror(parser, "internal error: not enough operands: %i", sy->out_count);
+ return false;
+ }
+
+ sy->ops_count--;
+
+ sy->out_count -= op->operands;
+ for (i = 0; i < op->operands; ++i) {
+ exprs[i] = sy->out[sy->out_count+i].out;
+ vars[i] = sy->out[sy->out_count+i].value;
+ }
+
+ switch (op->id)
+ {
+ default:
+ parseerror(parser, "internal error: unhandled operand");
+ return false;
+
+ case opid1('+'):
+ if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
+ parseerror(parser, "Cannot add type %s and %s",
+ type_name[exprs[0]->expression.vtype],
+ type_name[exprs[1]->expression.vtype]);
+ return false;
+ }
+ switch (exprs[0]->expression.vtype) {
+ case TYPE_FLOAT:
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
+ break;
+ case TYPE_VECTOR:
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
+ break;
+ default:
+ parseerror(parser, "Cannot add type %s and %s",
+ type_name[exprs[0]->expression.vtype],
+ type_name[exprs[1]->expression.vtype]);
+ return false;
+ };
+ break;
+ case opid1('-'):
+ if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
+ parseerror(parser, "Cannot subtract type %s from %s",
+ type_name[exprs[1]->expression.vtype],
+ type_name[exprs[0]->expression.vtype]);
+ return false;
+ }
+ switch (exprs[0]->expression.vtype) {
+ case TYPE_FLOAT:
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
+ break;
+ case TYPE_VECTOR:
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
+ break;
+ default:
+ parseerror(parser, "Cannot add type %s from %s",
+ type_name[exprs[1]->expression.vtype],
+ type_name[exprs[0]->expression.vtype]);
+ return false;
+ };
+ break;
+ case opid1('*'):
+ if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
+ exprs[0]->expression.vtype != TYPE_VECTOR &&
+ exprs[0]->expression.vtype != TYPE_FLOAT &&
+ exprs[1]->expression.vtype != TYPE_VECTOR &&
+ exprs[1]->expression.vtype != TYPE_FLOAT)
+ {
+ parseerror(parser, "Cannot multiply type %s from %s",
+ type_name[exprs[1]->expression.vtype],
+ type_name[exprs[0]->expression.vtype]);
+ return false;
+ }
+ switch (exprs[0]->expression.vtype) {
+ case TYPE_FLOAT:
+ if (exprs[1]->expression.vtype == TYPE_VECTOR)
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
+ else
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
+ break;
+ case TYPE_VECTOR:
+ if (exprs[1]->expression.vtype == TYPE_FLOAT)
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
+ else
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
+ break;
+ default:
+ parseerror(parser, "Cannot add type %s from %s",
+ type_name[exprs[1]->expression.vtype],
+ type_name[exprs[0]->expression.vtype]);
+ return false;
+ };
+ break;
+ case opid1('/'):
+ if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
+ exprs[0]->expression.vtype != TYPE_FLOAT)
+ {
+ parseerror(parser, "Cannot divide types %s and %s",
+ type_name[exprs[0]->expression.vtype],
+ type_name[exprs[1]->expression.vtype]);
+ return false;
+ }
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
+ break;
+
+
+ case opid1('='):
+ if (!vars[0]) {
+ parseerror(parser, "Cannot assign to non-variable");
+ return false;
+ }
+ out = (ast_expression*)ast_store_new(ctx,
+ type_store_instr[vars[0]->expression.vtype],
+ vars[0], exprs[1]);
+ break;
+ }
+
+ if (!out) {
+ parseerror(parser, "failed to apply operand %s", op->op);
+ return false;
+ }
+
+ sy->out[sy->out_count++] = syexp(ctx, out);
+ return true;
+}
+
+static bool parser_close_paren(parser_t *parser, shunt *sy)
+{
+ if (!sy->ops_count) {
+ parseerror(parser, "unmatched closing paren");
+ return false;
+ }
+ if (sy->ops[sy->ops_count-1].paren == 1) {
+ parseerror(parser, "empty parenthesis expression");
+ return false;
+ }
+ while (sy->ops_count) {
+ if (sy->ops[sy->ops_count-1].paren == 1) {
+ sy->ops_count--;
+ break;
+ }
+ if (!parser_sy_pop(parser, sy))
+ return false;
+ }
+ return true;
}
-bool parser_do(parser_t *parser)
+static ast_expression* parser_expression(parser_t *parser)
+{
+ ast_expression *expr = NULL;
+ shunt sy;
+ bool wantop = false;
+
+ MEM_VECTOR_INIT(&sy, out);
+ MEM_VECTOR_INIT(&sy, ops);
+
+ while (true)
+ {
+ if (!wantop)
+ {
+ bool nextwant = true;
+ if (parser->tok == TOKEN_IDENT)
+ {
+ /* variable */
+ ast_value *var = parser_find_var(parser, parser_tokval(parser));
+ if (!var) {
+ parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
+ goto onerr;
+ }
+ if (!shunt_out_add(&sy, syval(parser_ctx(parser), var))) {
+ parseerror(parser, "out of memory");
+ goto onerr;
+ }
+ }
+ else if (parser->tok == TOKEN_FLOATCONST) {
+ ast_value *val = parser_const_float(parser, (parser_token(parser)->constval.f));
+ if (!val)
+ return false;
+ if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
+ parseerror(parser, "out of memory");
+ goto onerr;
+ }
+ }
+ else if (parser->tok == TOKEN_INTCONST) {
+ ast_value *val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
+ if (!val)
+ return false;
+ if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
+ parseerror(parser, "out of memory");
+ goto onerr;
+ }
+ }
+ else if (parser->tok == '(') {
+ nextwant = false; /* not expecting an operator next */
+ if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 1))) {
+ parseerror(parser, "out of memory");
+ goto onerr;
+ }
+ }
+ else {
+ /* TODO: prefix operators */
+ parseerror(parser, "expected statement");
+ goto onerr;
+ }
+ wantop = nextwant;
+ parser->lex->flags.noops = !wantop;
+ } else {
+ if (parser->tok == '(') {
+ /* we expected an operator, this is the function-call operator */
+ if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), 'f'))) {
+ parseerror(parser, "out of memory");
+ goto onerr;
+ }
+ }
+ else if (parser->tok == ')') {
+ /* we do expect an operator next */
+ /* closing an opening paren */
+ if (!parser_close_paren(parser, &sy))
+ goto onerr;
+ }
+ else if (parser->tok != TOKEN_OPERATOR) {
+ parseerror(parser, "expected operator or end of statement");
+ goto onerr;
+ }
+ else {
+ /* classify the operator */
+ /* TODO: suffix operators */
+ const oper_info *op;
+ const oper_info *olast = NULL;
+ size_t o;
+ for (o = 0; o < operator_count; ++o) {
+ if (!(operators[o].flags & OP_PREFIX) &&
+ !(operators[o].flags & OP_SUFFIX) && /* remove this */
+ !strcmp(parser_tokval(parser), operators[o].op))
+ {
+ break;
+ }
+ }
+ if (o == operator_count) {
+ /* no operator found... must be the end of the statement */
+ break;
+ }
+ /* found an operator */
+ op = &operators[o];
+
+ if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
+ olast = &operators[sy.ops[sy.ops_count-1].etype-1];
+
+ while (olast && (
+ (op->prec < olast->prec) ||
+ (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
+ {
+ if (!parser_sy_pop(parser, &sy))
+ goto onerr;
+ if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
+ olast = &operators[sy.ops[sy.ops_count-1].etype-1];
+ }
+
+ if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
+ goto onerr;
+ }
+ wantop = false;
+ parser->lex->flags.noops = true;
+ }
+ if (!parser_next(parser)) {
+ goto onerr;
+ }
+ if (parser->tok == ';') {
+ break;
+ }
+ }
+ if (!parser_next(parser)) {
+ parseerror(parser, "Unexpected end of file");
+ goto onerr;
+ }
+
+ while (sy.ops_count) {
+ if (!parser_sy_pop(parser, &sy))
+ goto onerr;
+ }
+
+ parser->lex->flags.noops = true;
+ if (!sy.out_count) {
+ parseerror(parser, "empty expression");
+ expr = NULL;
+ } else
+ expr = sy.out[0].out;
+ MEM_VECTOR_CLEAR(&sy, out);
+ MEM_VECTOR_CLEAR(&sy, ops);
+ return expr;
+
+onerr:
+ parser->lex->flags.noops = true;
+ MEM_VECTOR_CLEAR(&sy, out);
+ MEM_VECTOR_CLEAR(&sy, ops);
+ return NULL;
+}
+
+static bool parser_variable(parser_t *parser, ast_block *localblock);
+static bool parser_body_do(parser_t *parser, ast_block *block)
{
if (parser->tok == TOKEN_TYPENAME)
{
- ast_value *var = parser_parse_type(parser);
+ /* local variable */
+ if (!parser_variable(parser, block))
+ return false;
+ return true;
+ }
+ else if (parser->tok == TOKEN_KEYWORD)
+ {
+ if (!strcmp(parser_tokval(parser), "return"))
+ {
+ ast_expression *exp;
+ ast_return *ret;
+
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected return expression");
+ return false;
+ }
+
+ exp = parser_expression(parser);
+ if (!exp)
+ return false;
+ ret = ast_return_new(exp->expression.node.context, exp);
+ if (!ret) {
+ ast_delete(exp);
+ return false;
+ }
+ if (!ast_block_exprs_add(block, (ast_expression*)ret)) {
+ ast_delete(ret);
+ return false;
+ }
+ return true;
+ }
+ parseerror(parser, "Unexpected keyword");
+ return false;
+ }
+ else if (parser->tok == '{')
+ {
+ /* a block */
+ parseerror(parser, "TODO: inner blocks: %s", parser_tokval(parser));
+ return false;
+ }
+ else
+ {
+ ast_expression *exp = parser_expression(parser);
+ if (!exp)
+ return false;
+ if (!ast_block_exprs_add(block, exp)) {
+ ast_delete(exp);
+ return false;
+ }
+ return true;
+ }
+}
+
+static ast_block* parser_parse_block(parser_t *parser)
+{
+ size_t oldblocklocal;
+ ast_block *block = NULL;
+
+ oldblocklocal = parser->blocklocal;
+ parser->blocklocal = parser->locals_count;
+
+ if (!parser_next(parser)) { /* skip the '{' */
+ parseerror(parser, "expected function body");
+ goto cleanup;
+ }
+
+ block = ast_block_new(parser_ctx(parser));
+
+ while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
+ {
+ if (parser->tok == '}')
+ break;
+
+ if (!parser_body_do(parser, block)) {
+ ast_block_delete(block);
+ block = NULL;
+ goto cleanup;
+ }
+ }
+
+ if (parser->tok != '}') {
+ ast_block_delete(block);
+ block = NULL;
+ } else {
+ (void)parser_next(parser);
+ }
+
+cleanup:
+ parser->blocklocal = oldblocklocal;
+ return block;
+}
+
+static bool parser_variable(parser_t *parser, ast_block *localblock)
+{
+ bool isfunc = false;
+ ast_function *func = NULL;
+ lex_ctx ctx;
+ ast_value *var;
+
+ int basetype = parser_token(parser)->constval.t;
+
+ while (true)
+ {
+ if (!parser_next(parser)) { /* skip basetype or comma */
+ parseerror(parser, "expected variable declaration");
+ return false;
+ }
+
+ isfunc = false;
+ func = NULL;
+ ctx = parser_ctx(parser);
+ var = parser_parse_type(parser, basetype, &isfunc);
+
if (!var)
return false;
return false;
}
- if (parser_find_global(parser, parser_tokval(parser))) {
+ if (!localblock && parser_find_global(parser, parser_tokval(parser))) {
ast_value_delete(var);
parseerror(parser, "global already exists: %s\n", parser_tokval(parser));
return false;
}
+ if (localblock && parser_find_local(parser, parser_tokval(parser), parser->blocklocal)) {
+ ast_value_delete(var);
+ parseerror(parser, "local variable already exists: %s\n", parser_tokval(parser));
+ return false;
+ }
+
if (!ast_value_set_name(var, parser_tokval(parser))) {
parseerror(parser, "failed to set variable name\n");
ast_value_delete(var);
return false;
}
- if (!parser_t_globals_add(parser, var))
+ if (isfunc) {
+ /* a function was defined */
+ ast_value *fval;
+
+ /* turn var into a value of TYPE_FUNCTION, with the old var
+ * as return type
+ */
+ fval = ast_value_new(ctx, var->name, TYPE_FUNCTION);
+ func = ast_function_new(ctx, var->name, fval);
+ if (!fval || !func) {
+ ast_value_delete(var);
+ if (fval) ast_value_delete(fval);
+ if (func) ast_function_delete(func);
+ return false;
+ }
+
+ fval->expression.next = (ast_expression*)var;
+ MEM_VECTOR_MOVE(var, params, fval, params);
+
+ if (!parser_t_functions_add(parser, func)) {
+ ast_value_delete(var);
+ if (fval) ast_value_delete(fval);
+ if (func) ast_function_delete(func);
+ return false;
+ }
+
+ var = fval;
+ }
+
+ if ( (!localblock && !parser_t_globals_add(parser, var)) ||
+ ( localblock && !parser_t_locals_add(parser, var)) )
+ {
+ ast_value_delete(var);
+ return false;
+ }
+ if (localblock && !ast_block_locals_add(localblock, var))
+ {
+ parser->locals_count--;
+ ast_value_delete(var);
return false;
+ }
- /* Constant assignment */
- if (!parser_next(parser))
+ if (!parser_next(parser)) {
+ ast_value_delete(var);
return false;
+ }
if (parser->tok == ';') {
if (!parser_next(parser))
return true;
}
+ if (parser->tok == ',') {
+ /* another var */
+ continue;
+ }
+
if (parser->tok != '=') {
parseerror(parser, "expected '=' or ';'");
return false;
if (!parser_next(parser))
return false;
- /* '=' found, assign... */
- parseerror(parser, "TODO, const assignment");
- return false;
+ if (parser->tok == '#') {
+ if (localblock) {
+ parseerror(parser, "cannot declare builtins within functions");
+ return false;
+ }
+ if (!isfunc || !func) {
+ parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
+ return false;
+ }
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected builtin number");
+ return false;
+ }
+ if (parser->tok != TOKEN_INTCONST) {
+ parseerror(parser, "builtin number must be an integer constant");
+ return false;
+ }
+ if (parser_token(parser)->constval.i <= 0) {
+ parseerror(parser, "builtin number must be positive integer greater than zero");
+ return false;
+ }
+
+ func->builtin = -parser_token(parser)->constval.i;
+ } else if (parser->tok == '{') {
+ /* function body */
+ ast_block *block;
+ ast_function *old = parser->function;
+
+ if (localblock) {
+ parseerror(parser, "cannot declare functions within functions");
+ return false;
+ }
+
+ parser->function = func;
+ block = parser_parse_block(parser);
+ parser->function = old;
+
+ if (!block)
+ return false;
+
+ if (!ast_function_blocks_add(func, block)) {
+ ast_block_delete(block);
+ return false;
+ }
+ return true;
+ } else {
+ parseerror(parser, "TODO, const assignment");
+ }
+
+ if (!parser_next(parser))
+ return false;
+
+ if (parser->tok == ',') {
+ /* another */
+ continue;
+ }
+
+ if (parser->tok != ';') {
+ parseerror(parser, "expected semicolon");
+ return false;
+ }
+
+ (void)parser_next(parser);
+
+ return true;
+ }
+}
+
+static bool parser_do(parser_t *parser)
+{
+ if (parser->tok == TOKEN_TYPENAME)
+ {
+ return parser_variable(parser, NULL);
}
else if (parser->tok == TOKEN_KEYWORD)
{
if (!parser)
return false;
+ memset(parser, 0, sizeof(parser));
+
MEM_VECTOR_INIT(parser, globals);
+ MEM_VECTOR_INIT(parser, locals);
parser->lex = lex_open(filename);
if (!parser->lex) {
goto cleanup;
}
+ for (i = 0; i < parser->imm_float_count; ++i) {
+ if (!ast_global_codegen(parser->imm_float[i], ir)) {
+ printf("failed to generate global %s\n", parser->imm_float[i]->name);
+ }
+ }
for (i = 0; i < parser->globals_count; ++i) {
if (!ast_global_codegen(parser->globals[i], ir)) {
printf("failed to generate global %s\n", parser->globals[i]->name);
}
}
+ for (i = 0; i < parser->functions_count; ++i) {
+ if (!ast_function_codegen(parser->functions[i], ir)) {
+ printf("failed to generate function %s\n", parser->functions[i]->name);
+ }
+ if (!ir_function_finalize(parser->functions[i]->ir_func)) {
+ printf("failed to finalize function %s\n", parser->functions[i]->name);
+ }
+ }
ir_builder_dump(ir, printf);