X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fparser_proc.y;h=56938cff0d2321ef3bf3d4d3a405b2d6c45b261f;hp=d82a90f6f9d2986a03d4e161d1e962544f34f234;hb=ef5079cd02c9d8666f6b9336853d2ab393e33467;hpb=5abcb8724ac7046d62203ea643e9ce69f63a6a8a diff --git a/src/parser_proc.y b/src/parser_proc.y index d82a90f..56938cf 100644 --- a/src/parser_proc.y +++ b/src/parser_proc.y @@ -1,4 +1,5 @@ %include { +#include #include #include #include @@ -19,7 +20,7 @@ void psi_error(int, const char *, int, const char *, ...); %syntax_error { ++P->errors; if (TOKEN && TOKEN->type != PSI_T_EOF) { - psi_error(PSI_WARNING, TOKEN->file, *TOKEN->line, "PSI syntax error: Unexpected token '%s'", TOKEN->text); + psi_error(PSI_WARNING, TOKEN->file, TOKEN->line, "PSI syntax error: Unexpected token '%s'", TOKEN->text); } else { psi_error(PSI_WARNING, P->psi.file.fn, P->line, "PSI syntax error: Unexpected end of input"); } @@ -28,7 +29,7 @@ void psi_error(int, const char *, int, const char *, ...); %nonassoc NAME. %left PLUS MINUS. %left SLASH ASTERISK. -%fallback NAME TEMP FREE SET LET RETURN LIB INT LONG SIGNED UNSIGNED. +%fallback NAME TEMP FREE SET LET RETURN LIB STRING. file ::= blocks. @@ -36,10 +37,11 @@ blocks ::= block. blocks ::= blocks block. block ::= EOF. +block ::= EOS. block ::= LIB(T) QUOTED_STRING(libname) EOS. { if (P->psi.file.ln) { - P->error(T, PSI_WARNING, "Extra 'lib %s' statement has no effect", libname->text); + P->error(P, T, PSI_WARNING, "Extra 'lib %s' statement has no effect", libname->text); } else { P->psi.file.ln = strndup(libname->text + 1, libname->size - 2); } @@ -58,6 +60,9 @@ block ::= decl_typedef(def). { if (def->type->strct) { P->structs = add_decl_struct(P->structs, def->type->strct); } + if (def->type->enm) { + P->enums = add_decl_enum(P->enums, def->type->enm); + } } block ::= constant(constant). { P->consts = add_constant(P->consts, constant); @@ -65,10 +70,101 @@ block ::= constant(constant). { block ::= decl_struct(strct). { P->structs = add_decl_struct(P->structs, strct); } +block ::= decl_union(u). { + P->unions = add_decl_union(P->unions, u); +} +block ::= decl_enum(e). { + P->enums = add_decl_enum(P->enums, e); +} + +optional_name(n) ::= .{ + n = NULL; +} +optional_name(n) ::= NAME(N). { + n = N; +} + +enum_name(n) ::= ENUM(E) optional_name(N). { + if (N) { + n = N; + free(E); + } else { + char digest[17]; + + PSI_TokenHash(E, digest); + n = PSI_TokenTranslit(PSI_TokenAppend(E, 1, digest), " ", "@"); + } +} + +%type decl_enum {decl_enum *} +%destructor decl_enum {free_decl_enum($$);} +decl_enum(e) ::= enum_name(N) LBRACE decl_enum_items(list) RBRACE. { + e = init_decl_enum(N->text, list); + e->token = N; +} + +%type decl_enum_items {decl_enum_items*} +%destructor decl_enum_items {free_decl_enum_items($$);} +decl_enum_items(l) ::= decl_enum_item(i). { + l = init_decl_enum_items(i); +} +decl_enum_items(l) ::= decl_enum_items(l_) COMMA decl_enum_item(i). { + l = add_decl_enum_item(l_, i); +} + +%type decl_enum_item {decl_enum_item*} +%destructor decl_enum_item {free_decl_enum_item($$);} +decl_enum_item(i) ::= NAME(N) EQUALS num_exp(num). { + i = init_decl_enum_item(N->text, num); + i->token = N; +} +decl_enum_item(i) ::= NAME(N). { + i = init_decl_enum_item(N->text, NULL); + i->token = N; +} + +union_name(n) ::= UNION(U) optional_name(N). { + if (N) { + n = N; + free(U); + } else { + char digest[17]; + + PSI_TokenHash(U, digest); + n = PSI_TokenTranslit(PSI_TokenAppend(U, 1, digest), " ", "@"); + } +} + +struct_name(n) ::= STRUCT(S) optional_name(N). { + if (N) { + n = N; + free(S); + } else { + char digest[17]; + + PSI_TokenHash(S, digest); + n = PSI_TokenTranslit(PSI_TokenAppend(S, 1, digest), " ", "@"); + } +} + +%type decl_struct_args_block {decl_args*} +%destructor decl_struct_args_block {free_decl_args($$);} +decl_struct_args_block(args_) ::= LBRACE struct_args(args) RBRACE. { + args_ = args; +} +%type decl_struct_args {decl_args*} +%destructor decl_struct_args {free_decl_args($$);} +decl_struct_args(args_) ::= decl_struct_args_block(args). { + args_ = args; +} +decl_struct_args(args_) ::= EOS. { + args_ = init_decl_args(NULL); +} + %type decl_struct {decl_struct*} %destructor decl_struct {free_decl_struct($$);} -decl_struct(strct) ::= STRUCT NAME(N) struct_size(size_) LBRACE struct_args(args) RBRACE. { +decl_struct(strct) ::= STRUCT NAME(N) struct_size(size_) decl_struct_args(args). { strct = init_decl_struct(N->text, args); strct->size = size_; strct->token = N; @@ -83,6 +179,14 @@ struct_size(size) ::= COLON COLON LPAREN NUMBER(SIZ) RPAREN. { free(SIZ); } +%type decl_union {decl_union*} +%destructor decl_union {free_decl_union($$);} +decl_union(u) ::= UNION NAME(N) struct_size(size_) decl_struct_args(args). { + u = init_decl_union(N->text, args); + u->size = size_; + u->token = N; +} + %token_class const_type_token BOOL INT FLOAT STRING. %type const_type {const_type*} %destructor const_type {free_const_type($$);} @@ -97,29 +201,85 @@ constant(constant) ::= CONST const_type(type) NSNAME(T) EQUALS impl_def_val(val) free(T); } -%type decl_typedef {decl_typedef*} -%destructor decl_typedef {free_decl_typedef($$);} -decl_typedef(def) ::= TYPEDEF decl_type(type) NAME(ALIAS) EOS. { - def = init_decl_typedef(ALIAS->text, type); - def->token = ALIAS; +%type decl_typedef {decl_arg*} +%destructor decl_typedef { + free_decl_arg($$); + if ($$->type->strct) { + free_decl_struct($$->type->strct); + } + if ($$->type->enm) { + free_decl_enum($$->type->enm); + } + if ($$->type->func) { + free_decl($$->type->func); + } } -/* 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)); - def->token = ALIAS; - def->type->token = V; +decl_typedef(def) ::= TYPEDEF(T) decl_typedef_body(def_) EOS. { + def = def_; + def->token = T; } -decl_typedef(def) ::= TYPEDEF STRUCT(S) NAME(N) NAME(ALIAS) EOS. { - def = init_decl_typedef(ALIAS->text, init_decl_type(S->type, N->text)); - def->token = ALIAS; - def->type->token = N; - free(S); +%type decl_typedef_body_ex {decl_arg*} +%destructor decl_typedef_body_ex { + free_decl_arg($$); + if ($$->type->strct) { + free_decl_struct($$->type->strct); + } + if ($$->type->enm) { + free_decl_enum($$->type->enm); + } + if ($$->type->unn) { + free_decl_union($$->type->unn); + } + if ($$->type->func) { + free_decl($$->type->func); + } } -decl_typedef(def) ::= TYPEDEF decl_struct(s) NAME(ALIAS) EOS. { - def = init_decl_typedef(ALIAS->text, init_decl_type(PSI_T_STRUCT, s->name)); - def->token = ALIAS; - def->type->token = PSI_TokenCopy(s->token); - def->type->strct = s; +decl_typedef_body_ex(def) ::= struct_name(N) struct_size(size_) decl_struct_args_block(args) decl_var(var). { + def = init_decl_arg(init_decl_type(PSI_T_STRUCT, N->text), var); + def->type->token = PSI_TokenCopy(N); + def->type->strct = init_decl_struct(N->text, args); + def->type->strct->token = N; + def->type->strct->size = size_; +} +decl_typedef_body_ex(def) ::= union_name(N) struct_size(size_) decl_struct_args_block(args) decl_var(var). { + def = init_decl_arg(init_decl_type(PSI_T_UNION, N->text), var); + def->type->token = PSI_TokenCopy(N); + def->type->unn = init_decl_union(N->text, args); + def->type->unn->token = N; + def->type->unn->size = size_; +} +decl_typedef_body_ex(def) ::= decl_enum(e) NAME(ALIAS). { + def = init_decl_arg(init_decl_type(PSI_T_ENUM, e->name), init_decl_var(ALIAS->text, 0, 0)); + def->var->token = ALIAS; + def->type->token = PSI_TokenCopy(e->token); + def->type->enm = e; +} +%type decl_typedef_body {decl_arg*} +%destructor decl_typedef_body { + free_decl_arg($$); + if ($$->type->strct) { + free_decl_struct($$->type->strct); + } + if ($$->type->enm) { + free_decl_enum($$->type->enm); + } + if ($$->type->unn) { + free_decl_union($$->type->unn); + } + if ($$->type->func) { + free_decl($$->type->func); + } +} +decl_typedef_body(def) ::= decl_typedef_body_ex(def_). { + def = def_; +} +decl_typedef_body(def) ::= decl_func(func_) LPAREN decl_args(args) RPAREN. { + def = init_decl_arg(init_decl_type(PSI_T_FUNCTION, func_->var->name), copy_decl_var(func_->var)); + def->type->token = PSI_TokenCopy(func_->token); + def->type->func = init_decl(init_decl_abi("default"), func_, args); +} +decl_typedef_body(def) ::= decl_arg(arg). { + def = arg; } %type decl {decl*} @@ -140,8 +300,8 @@ decl_func(func) ::= VOID(T) NAME(N). { init_decl_var(N->text, 0, 0) ); func->type->token = T; - //free(T); - free(N); + func->var->token = N; + func->token = N; } %type decl_abi {decl_abi*} @@ -220,7 +380,27 @@ struct_args(args) ::= struct_args(args_) struct_arg(arg). { args = add_decl_arg(args_, arg); } %type struct_arg {decl_arg*} -%destructor struct_arg {free_decl_arg($$);} +%destructor struct_arg { + free_decl_arg($$); + if ($$->type->strct) { + free_decl_struct($$->type->strct); + } + if ($$->type->enm) { + free_decl_enum($$->type->enm); + } + if ($$->type->func) { + free_decl($$->type->func); + } +} +struct_arg(arg_) ::= decl_typedef_body_ex(def) EOS. { + arg_ = def; + if (def->type->strct) { + P->structs = add_decl_struct(P->structs, def->type->strct); + } + if (def->type->enm) { + P->enums = add_decl_enum(P->enums, def->type->enm); + } +} struct_arg(arg) ::= decl_arg(arg_) struct_layout(layout_) EOS. { arg_->layout = layout_; arg = arg_; @@ -237,38 +417,84 @@ struct_layout(layout) ::= COLON COLON LPAREN NUMBER(POS) COMMA NUMBER(SIZ) RPARE free(SIZ); } -%token_class decl_type_token FLOAT DOUBLE INT8 UINT8 INT16 UINT16 INT32 UINT32 INT64 UINT64 NAME. -%type decl_type {decl_type*} -%destructor decl_type {free_decl_type($$);} -decl_type(type_) ::= decl_type_token(T). { - type_ = init_decl_type(T->type, T->text); - type_->token = T; +/* un/signed, urgh */ +decl_scalar_type(type_) ::= CHAR(C). { + type_ = C; +} +decl_scalar_type(type_) ::= SHORT(S) decl_scalar_type_short(s). { + if (s) { + type_ = PSI_TokenCat(2, S, s); + free(S); + free(s); + } else { + type_ = S; + } +} +decl_scalar_type_short(s) ::= . { + s = NULL; +} + +decl_scalar_type_short(s) ::= INT(I). { + s = I; +} +decl_scalar_type(type_) ::= INT(I). { + type_ = I; +} +decl_scalar_type(type_) ::= LONG(L) decl_scalar_type_long(l). { + if (l) { + type_ = PSI_TokenCat(2, L, l); + free(L); + free(l); + } else { + type_ = L; + } +} +decl_scalar_type_long(l) ::= . { + l = NULL; } -/* unsigned, urgh */ -decl_type(type_) ::= UNSIGNED(U) NAME(N). { +decl_scalar_type_long(l) ::= DOUBLE(D). { + l = D; +} +decl_scalar_type_long(l) ::= LONG(L) decl_scalar_type_long_long(ll). { + if (ll) { + l = PSI_TokenCat(2, L, ll); + free(L); + free(ll); + } else { + l = L; + } +} +decl_scalar_type_long_long(ll) ::= . { + ll = NULL; +} +decl_scalar_type_long_long(ll) ::= INT(I). { + ll = I; +} +decl_type(type_) ::= UNSIGNED(U) decl_scalar_type(N). { PSI_Token *T = PSI_TokenCat(2, U, N); type_ = init_decl_type(T->type, T->text); type_->token = T; free(U); free(N); } -decl_type(type_) ::= SIGNED NAME(T). { +decl_type(type_) ::= SIGNED(S) decl_scalar_type(N). { + PSI_Token *T = PSI_TokenCat(2, S, N); type_ = init_decl_type(T->type, T->text); type_->token = T; - type_->name = realloc(type_->name, T->size + sizeof("signed")); - memmove(type_->name + sizeof("signed"), type_->name, T->size); - memcpy(type_->name, "signed", sizeof("signed")-1); - type_->name[sizeof("signed")] = ' '; - type_->name[T->size + sizeof("signed")] = 0; -} -/* we have to support plain int, long here because we have it in our lexer rules */ -decl_type(type_) ::= INT(T). { - type_ = init_decl_type(PSI_T_NAME, T->text); - type_->token = T; + free(S); + free(N); } -decl_type(type_) ::= LONG INT(T). { - type_ = init_decl_type(PSI_T_NAME, T->text); - type_->token = T; +decl_type(type_) ::= UNSIGNED(U). { + type_ = init_decl_type(PSI_T_NAME, U->text); + type_->token = U; +} +decl_type(type_) ::= SIGNED(S). { + type_ = init_decl_type(PSI_T_NAME, S->text); + type_->token = S; +} +decl_type(type_) ::= decl_scalar_type(N). { + type_ = init_decl_type(N->type, N->text); + type_->token = N; } /* structs ! */ decl_type(type_) ::= STRUCT(S) NAME(T). { @@ -276,6 +502,24 @@ decl_type(type_) ::= STRUCT(S) NAME(T). { type_->token = T; free(S); } +decl_type(type_) ::= UNION(U) NAME(T). { + type_ = init_decl_type(U->type, T->text); + type_->token = T; + free(U); +} +decl_type(type_) ::= ENUM(E) NAME(T). { + type_ = init_decl_type(E->type, T->text); + type_->token = T; + free(E); +} +%token_class decl_type_token FLOAT DOUBLE INT8 UINT8 INT16 UINT16 INT32 UINT32 INT64 UINT64 NAME. +%type decl_type {decl_type*} +%destructor decl_type {free_decl_type($$);} +decl_type(type_) ::= decl_type_token(T). { + type_ = init_decl_type(T->type, T->text); + type_->token = T; +} + %type const_decl_type {decl_type*} %destructor const_decl_type {free_decl_type($$);}