X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fparser_proc.y;h=328bd10b7648f4b058e8e13be6c3f4be2313e287;hp=d82a90f6f9d2986a03d4e161d1e962544f34f234;hb=6a459a08a40a2c243b0211ceb0cb263d29302627;hpb=5abcb8724ac7046d62203ea643e9ce69f63a6a8a

diff --git a/src/parser_proc.y b/src/parser_proc.y
index d82a90f..328bd10 100644
--- a/src/parser_proc.y
+++ b/src/parser_proc.y
@@ -1,4 +1,5 @@
 %include {
+#include <stddef.h>
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
@@ -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.
 
@@ -36,6 +37,7 @@ blocks ::= block.
 blocks ::= blocks block.
 
 block ::= EOF.
+block ::= EOS.
 
 block ::= LIB(T) QUOTED_STRING(libname) EOS. {
 	if (P->psi.file.ln) {
@@ -65,10 +67,58 @@ block ::= constant(constant). {
 block ::= decl_struct(strct). {
 	P->structs = add_decl_struct(P->structs, strct);
 }
+block ::= decl_enum(e). {
+	P->enums = add_decl_enum(P->enums, e);
+}
+
+enum_name(n) ::= ENUM NAME(N). {
+	n = N;
+}
+
+%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($$);}
+decl_enum_item(i) ::= NAME(N) EQUALS num_exp(num). {
+	i = init_decl_enum_item(N->text, num);
+	i->token = N;
+}
+decl_enum_item(i) ::= NAME(N). {
+	i = init_decl_enum_item(N->text, NULL);
+	i->token = N;
+}
+
+struct_name(n) ::= STRUCT NAME(N). {
+	n = N;
+}
+
+%type decl_struct_args {decl_args*}
+%destructor decl_struct_args {free_decl_args($$);}
+decl_struct_args(args_) ::= LBRACE struct_args(args) RBRACE. {
+	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;
@@ -99,28 +149,22 @@ constant(constant) ::= CONST const_type(type) NSNAME(T) EQUALS impl_def_val(val)
 
 %type decl_typedef {decl_typedef*}
 %destructor decl_typedef {free_decl_typedef($$);}
-decl_typedef(def) ::= TYPEDEF decl_type(type) NAME(ALIAS) EOS. {
+decl_typedef(def) ::= TYPEDEF decl_typedef_body(def_) EOS. {
+	def = def_;
+}
+%type decl_typedef_body {decl_typedef*}
+%destructor decl_typedef_body {free_decl_typedef($$);}
+decl_typedef_body(def) ::= decl_type(type) NAME(ALIAS). {
 	def = init_decl_typedef(ALIAS->text, type);
 	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));
+decl_typedef_body(def) ::= VOID(V) indirection(i) NAME(ALIAS). {
+	def = init_decl_typedef(ALIAS->text, init_decl_type(i?PSI_T_POINTER:V->type, V->text));
 	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));
-	def->token = ALIAS;
-	def->type->token = N;
-	free(S);
-}
-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;
-}
 
 %type decl {decl*}
 %destructor decl {free_decl($$);}
@@ -237,38 +281,84 @@ 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;
 }
-/* unsigned, urgh */
-decl_type(type_) ::= UNSIGNED(U) NAME(N). {
+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;
+}
+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 +366,19 @@ decl_type(type_) ::= STRUCT(S) NAME(T). {
 	type_->token = T;
 	free(S);
 }
+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($$);}