#include "parser.h"
+void psi_error(int, const char *, int, const char *, ...);
}
%name PSI_ParserProc
%extra_argument {PSI_Parser *P}
/* TOKEN is defined inside syntax_error */
%syntax_error {
+ ++P->errors;
if (TOKEN && TOKEN->type != PSI_T_EOF) {
- PSI_ParserSyntaxError(P, P->psi.file.fn, P->line, "Unexpected token '%s'", TOKEN->text);
+ psi_error(PSI_WARNING, TOKEN->file, *TOKEN->line, "PSI syntax error: Unexpected token '%s'", TOKEN->text);
} else {
- PSI_ParserSyntaxError(P, P->psi.file.fn, P->line, "Unexpected end of input");
+ psi_error(PSI_WARNING, P->psi.file.fn, P->line, "PSI syntax error: Unexpected end of input");
}
}
block ::= LIB(T) QUOTED_STRING(libname) EOS. {
if (P->psi.file.ln) {
- PSI_ParserSyntaxError(P, P->psi.file.ln, T->line, "Extra 'lib %s' statement has no effect", libname->text);
+ P->error(T, PSI_WARNING, "Extra 'lib %s' statement has no effect", libname->text);
} else {
P->psi.file.ln = strndup(libname->text + 1, libname->size - 2);
}
decl_struct(strct) ::= STRUCT NAME(N) struct_size(size_) LBRACE struct_args(args) RBRACE. {
strct = init_decl_struct(N->text, args);
strct->size = size_;
- free(N);
+ strct->token = N;
}
%type struct_size {size_t}
%destructor decl_typedef {free_decl_typedef($$);}
decl_typedef(def) ::= TYPEDEF decl_type(type) NAME(ALIAS) EOS. {
def = init_decl_typedef(ALIAS->text, type);
- free(ALIAS);
+ def->token = ALIAS;
}
/* support opaque types */
decl_typedef(def) ::= TYPEDEF VOID(V) NAME(ALIAS) EOS. {
def = init_decl_typedef(ALIAS->text, init_decl_type(V->type, V->text));
- free(V);
- free(ALIAS);
+ def->token = ALIAS;
+ def->type->token = V;
}
decl_typedef(def) ::= TYPEDEF STRUCT(S) NAME(N) NAME(ALIAS) EOS. {
def = init_decl_typedef(ALIAS->text, init_decl_type(S->type, N->text));
- free(ALIAS);
+ def->token = ALIAS;
+ def->type->token = N;
free(S);
- free(N);
}
decl_typedef(def) ::= TYPEDEF decl_struct(s) NAME(ALIAS) EOS. {
def = init_decl_typedef(ALIAS->text, init_decl_type(PSI_T_STRUCT, s->name));
+ def->token = ALIAS;
+ def->type->token = PSI_TokenCopy(s->token);
def->type->strct = s;
- free(ALIAS);
}
%type decl {decl*}
init_decl_type(T->type, T->text),
init_decl_var(N->text, 0, 0)
);
- free(T);
+ func->type->token = T;
+ //free(T);
free(N);
}
%destructor decl_abi {free_decl_abi($$);}
decl_abi(abi) ::= NAME(T). {
abi = init_decl_abi(T->text);
- free(T);
+ abi->token = T;
}
%type decl_var {decl_var*}
%destructor decl_var {free_decl_var($$);}
decl_var(var) ::= indirection(p) NAME(T). {
var = init_decl_var(T->text, p, 0);
- free(T);
+ var->token = T;
}
decl_var(var) ::= indirection(p) NAME(T) LBRACKET NUMBER(D) RBRACKET. {
var = init_decl_var(T->text, p+1, atol(D->text));
- free(T);
+ var->token = T;
free(D);
}
init_decl_type(T->type, T->text),
init_decl_var(N->text, p, 0)
);
- free(T);
- free(N);
+ arg_->type->token = T;
+ arg_->var->token = N;
+ arg_->token = N;
}
decl_arg(arg_) ::= CONST VOID(T) pointers(p) NAME(N). {
arg_ = init_decl_arg(
init_decl_type(T->type, T->text),
init_decl_var(N->text, p, 0)
);
- free(T);
- free(N);
+ arg_->type->token = T;
+ arg_->var->token = N;
+ arg_->token = N;
}
%type decl_args {decl_args*}
decl_args(args) ::= decl_args(args_) COMMA decl_arg(arg). {
args = add_decl_arg(args_, arg);
}
+decl_args(args) ::= decl_args(args_) COMMA ELLIPSIS. {
+ args = args_;
+ args->varargs = 1;
+}
%type struct_args {decl_args*}
%destructor struct_args {free_decl_args($$);}
struct_args(args) ::= struct_arg(arg). {
%destructor decl_type {free_decl_type($$);}
decl_type(type_) ::= decl_type_token(T). {
type_ = init_decl_type(T->type, T->text);
- free(T);
+ type_->token = T;
}
/* unsigned, urgh */
decl_type(type_) ::= UNSIGNED NAME(T). {
type_ = init_decl_type(T->type, T->text);
+ type_->token = T;
type_->name = realloc(type_->name, T->size + sizeof("unsigned"));
memmove(type_->name + sizeof("unsigned"), type_->name, T->size);
memcpy(type_->name, "unsigned", sizeof("unsigned")-1);
/* we have to support plain int here because we have it in our lexer rules */
decl_type(type_) ::= INT(T). {
type_ = init_decl_type(PSI_T_NAME, T->text);
- free(T);
+ type_->token = T;
}
/* structs ! */
decl_type(type_) ::= STRUCT(S) NAME(T). {
type_ = init_decl_type(S->type, T->text);
+ type_->token = T;
free(S);
- free(T);
}
%type const_decl_type {decl_type*}
%type impl_func {impl_func*}
%destructor impl_func {free_impl_func($$);}
-impl_func(func) ::= FUNCTION NSNAME(NAME) impl_args(args) COLON impl_type(type). {
- func = init_impl_func(NAME->text, args, type, 0);
- free(NAME);
-}
-impl_func(func) ::= FUNCTION AMPERSAND NSNAME(NAME) impl_args(args) COLON impl_type(type). {
- func = init_impl_func(NAME->text, args, type, 1);
- free(NAME);
+impl_func(func) ::= FUNCTION reference(r) NSNAME(NAME) impl_args(args) COLON impl_type(type). {
+ func = init_impl_func(NAME->text, args, type, r);
+ func->token = NAME;
}
%token_class impl_def_val_token NULL NUMBER TRUE FALSE QUOTED_STRING.
%type impl_var {impl_var*}
%destructor impl_var {free_impl_var($$);}
-impl_var(var) ::= DOLLAR NAME(T). {
- var = init_impl_var(T->text, 0);
- free(T);
-}
-impl_var(var) ::= AMPERSAND DOLLAR NAME(T). {
- var = init_impl_var(T->text, 1);
- free(T);
+impl_var(var) ::= reference(r) DOLLAR NAME(T). {
+ var = init_impl_var(T->text, r);
+ var->token = T;
}
%type impl_arg {impl_arg*}
impl_args(args) ::= LPAREN impl_arg_list(args_) RPAREN. {
args = args_;
}
+impl_args(args) ::= LPAREN impl_arg_list(args_) COMMA impl_vararg(va) RPAREN. {
+ args = args_;
+ args->vararg.name = va;
+}
+
+%type impl_vararg {impl_arg*}
+%destructor impl_vararg {free_impl_arg($$);}
+impl_vararg(va) ::= impl_type(type) reference(r) ELLIPSIS DOLLAR NAME(T). {
+ va = init_impl_arg(type, init_impl_var(T->text, r), NULL);
+ free(T);
+}
+
%type impl_arg_list {impl_args*}
%destructor impl_arg_list {free_impl_args($$);}
impl_arg_list(args) ::= impl_arg(arg). {
%destructor num_exp {free_num_exp($$);}
num_exp(exp) ::= num_exp_token(tok). {
exp = init_num_exp(tok->type, tok->text);
- free(tok);
+ exp->token = tok;
}
num_exp(exp) ::= decl_var(var). {
exp = init_num_exp(PSI_T_NAME, var);
+ exp->token = PSI_TokenCopy(var->token);
}
num_exp(exp) ::= num_exp(exp_) num_exp_op_token(operator_) num_exp(operand_). {
exp_->operator = operator_->type;
%destructor let_stmt {free_let_stmt($$);}
let_stmt(let) ::= LET decl_var(var) EOS. {
let = init_let_stmt(var, init_let_val(PSI_LET_NULL, NULL));
-}/*
-let_stmt(let) ::= LET decl_var(var) EQUALS let_val(val) EOS. {
- let = init_let_stmt(var, val);
-}*/
+}
let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) let_val(val) EOS. {
val->flags.one.is_reference = r ? 1 : 0;
let = init_let_stmt(var, val);
let_val(val) ::= let_func(func). {
val = init_let_val(PSI_LET_FUNC, func);
}
-/*
-let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) NULL EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_NULL, NULL, r?PSI_LET_REFERENCE:0));
-}
-let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) num_exp(exp) EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_NUMEXP, exp, r?PSI_LET_REFERENCE:0));
-}
-let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) CALLOC LPAREN let_calloc(alloc) RPAREN EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_CALLOC, alloc, r?PSI_LET_REFERENCE:0));
-}
-let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) let_func(func) EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_FUNC, func, r?PSI_LET_REFERENCE:0));
-}
-let_stmt(let) ::= LET decl_var(var) EQUALS decl_var(val) EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_VAR, val, 0));
-}
-*/
+
%type let_calloc {let_calloc*}
%destructor let_calloc {free_let_calloc($$);}
let_calloc(alloc) ::= num_exp(nmemb) COMMA num_exp(size). {
val = init_set_value(func, init_decl_vars(var));
val->num = num_;
}
+set_value(val) ::= set_func(func_) LPAREN decl_var(var) COMMA ELLIPSIS(T) RPAREN. {
+ free_set_func(func_);
+ val = init_set_value(init_set_func(T->type, T->text), init_decl_vars(var));
+ val->func->token = T;
+}
set_value(val) ::= set_func(func_) LPAREN decl_var(var) COMMA set_vals(vals) RPAREN. {
val = vals;
val->func = func_;
%destructor set_func {free_set_func($$);}
set_func(func) ::= set_func_token(T). {
func = init_set_func(T->type, T->text);
- free(T);
+ func->token = T;
}
%type return_stmt {return_stmt*}
%destructor return_stmt {free_return_stmt($$);}
-return_stmt(ret) ::= RETURN set_value(val) EOS. {
+return_stmt(ret) ::= RETURN(T) set_value(val) EOS. {
ret = init_return_stmt(val);
+ ret->token = T;
}
%type free_stmt {free_stmt*}
%destructor free_call {free_free_call($$);}
free_call(call) ::= NAME(F) LPAREN decl_vars(vars) RPAREN. {
call = init_free_call(F->text, vars);
+ call->token = F;
}
%token_class impl_type_token VOID MIXED BOOL INT FLOAT STRING ARRAY OBJECT.
projects / m6w6 / ext-psi / blobdiff