From: Michael Wallner <mike@php.net>
Date: Tue, 13 Oct 2015 08:14:25 +0000 (+0200)
Subject: flush
X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=commitdiff_plain;h=e87ed355e2944460141e24bf24c2e5b9afe0c1f7

flush
---

diff --git a/.gitignore b/.gitignore
index 492bf33..8ec9003 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,10 +1,8 @@
 *.dSYM
-/idl/lexer.c
 /idl/main
-/idl/parser.h
 /idl/parser.c
-/idl/parser.out
-/idl/makeheaders*
 /idl/lemon.c
 /idl/lempar.c
 /idl/lemon
+/idl/parser_proc.out
+/idl/parser_proc.c
diff --git a/idl/parser.h b/idl/parser.h
new file mode 100644
index 0000000..dcb464b
--- /dev/null
+++ b/idl/parser.h
@@ -0,0 +1,672 @@
+#ifndef _PSI_PARSER_H
+#define _PSI_PARSER_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "parser_proc.h"
+
+#define BSIZE 256
+
+typedef int token_t;
+
+typedef struct PSI_Token {
+	token_t type;
+	unsigned line;
+	size_t size;
+	char text[1];
+} PSI_Token;
+
+typedef struct decl_type {
+	char *name;
+	token_t type;
+	struct decl_type *real;
+} decl_type;
+
+static inline decl_type *init_decl_type(token_t type, char *name) {
+	decl_type *t = malloc(sizeof(*t));
+	t->type = type;
+	t->name = strdup(name);
+	return t;
+}
+
+static inline void free_decl_type(decl_type *type) {
+	free(type->name);
+	free(type);
+}
+
+typedef struct decl_typedef {
+	char *alias;
+	decl_type *type;
+} decl_typedef;
+
+static inline decl_typedef *init_decl_typedef(char *name, decl_type *type) {
+	decl_typedef *t = malloc(sizeof(*t));
+	t->alias = strdup(name);
+	t->type = type;
+	return t;
+}
+
+static inline void free_decl_typedef(decl_typedef *t) {
+	free(t->alias);
+	free_decl_type(t->type);
+	free(t);
+}
+
+typedef struct decl_typedefs {
+	size_t count;
+	decl_typedef **list;
+} decl_typedefs;
+
+static decl_typedefs *add_decl_typedef(decl_typedefs *defs, decl_typedef *def) {
+	if (!defs) {
+		defs = calloc(1, sizeof(*defs));
+	}
+	defs->list = realloc(defs->list, ++defs->count * sizeof(*defs->list));
+	defs->list[defs->count-1] = def;
+	return defs;
+}
+
+static void free_decl_typedefs(decl_typedefs *defs) {
+	size_t i;
+
+	for (i = 0; i < defs->count; ++i) {
+		free_decl_typedef(defs->list[i]);
+	}
+	free(defs->list);
+	free(defs);
+}
+
+typedef struct decl_var {
+	char *name;
+	unsigned pointer_level;
+} decl_var;
+
+static inline decl_var *init_decl_var(char *name, unsigned pl) {
+	decl_var *v = malloc(sizeof(*v));
+	v->name = (char *) strdup((const char *) name);
+	v->pointer_level = pl;
+	return v;
+}
+
+static inline void free_decl_var(decl_var *var) {
+	free(var->name);
+	free(var);
+}
+
+typedef struct decl_arg {
+	decl_type *type;
+	decl_var *var;
+} decl_arg;
+
+static inline decl_arg *init_decl_arg(decl_type *type, decl_var *var) {
+	decl_arg *arg = malloc(sizeof(*arg));
+	arg->type = type;
+	arg->var = var;
+	return arg;
+}
+
+static inline void free_decl_arg(decl_arg *arg) {
+	free_decl_type(arg->type);
+	free_decl_var(arg->var);
+	free(arg);
+}
+
+typedef struct decl_vars {
+	decl_var **vars;
+	size_t count;
+} decl_vars;
+
+static inline decl_vars *init_decl_vars(decl_var *var) {
+	decl_vars *vars = malloc(sizeof(*vars));
+	vars->count = 1;
+	vars->vars = malloc(sizeof(*vars->vars));
+	vars->vars[0] = var;
+	return vars;
+}
+
+static inline decl_vars *add_decl_var(decl_vars *vars, decl_var *var) {
+	vars->vars = realloc(vars->vars, ++vars->count * sizeof(*vars->vars));
+	vars->vars[vars->count-1] = var;
+	return vars;
+}
+
+static inline void free_decl_vars(decl_vars *vars) {
+	size_t i;
+
+	for (i = 0; i < vars->count; ++i) {
+		free_decl_var(vars->vars[i]);
+	}
+	free(vars->vars);
+	free(vars);
+}
+
+typedef struct decl_args {
+	decl_arg **args;
+	size_t count;
+} decl_args;
+
+static inline decl_args *init_decl_args(decl_arg *arg) {
+	decl_args *args = malloc(sizeof(*args));
+	args->count = 1;
+	args->args = malloc(sizeof(*args->args));
+	args->args[0] = arg;
+	return args;
+}
+
+static inline decl_args *add_decl_arg(decl_args *args, decl_arg *arg) {
+	args->args = realloc(args->args, ++args->count * sizeof(*args->args));
+	args->args[args->count-1] = arg;
+	return args;
+}
+
+static inline void free_decl_args(decl_args *args) {
+	size_t i;
+
+	for (i = 0; i < args->count; ++i) {
+		free_decl_arg(args->args[i]);
+	}
+	free(args->args);
+	free(args);
+}
+
+typedef struct decl_abi {
+	char *convention;
+} decl_abi;
+
+static inline decl_abi *init_decl_abi(char *convention) {
+	decl_abi *abi = malloc(sizeof(*abi));
+	abi->convention = strdup(convention);
+	return abi;
+}
+
+static inline void free_decl_abi(decl_abi *abi) {
+	free(abi->convention);
+	free(abi);
+}
+
+typedef struct decl {
+	decl_abi *abi;
+	decl_arg *func;
+	decl_args *args;
+	void *dlptr;
+} decl;
+
+static inline decl* init_decl(decl_abi *abi, decl_arg *func, decl_args *args) {
+	decl *d = malloc(sizeof(*d));
+	d->abi = abi;
+	d->func = func;
+	d->args = args;
+	return d;
+}
+
+static inline void free_decl(decl *d) {
+	free_decl_abi(d->abi);
+	free_decl_arg(d->func);
+	free_decl_args(d->args);
+	free(d);
+}
+
+typedef struct decls {
+	size_t count;
+	decl **list;
+} decls;
+
+static inline decls *add_decl(decls *decls, decl *decl) {
+	if (!decls) {
+		decls = calloc(1, sizeof(*decls));
+	}
+	decls->list = realloc(decls->list, ++decls->count * sizeof(*decls->list));
+	decls->list[decls->count-1] = decl;
+	return decls;
+}
+
+static inline void free_decls(decls *decls) {
+	size_t i;
+
+	for (i = 0; i < decls->count; ++i) {
+		free_decl(decls->list[i]);
+	}
+	free(decls->list);
+	free(decls);
+}
+
+typedef struct impl_type {
+	char *name;
+	token_t type;
+} impl_type;
+
+static inline impl_type *init_impl_type(token_t type, char *name) {
+	impl_type *t = malloc(sizeof(*t));
+
+	t->type = type;
+	t->name = (char *) strdup((const char *) name);
+	return t;
+}
+
+static inline void free_impl_type(impl_type *type) {
+	free(type->name);
+	free(type);
+}
+
+typedef struct impl_var {
+	char *name;
+	unsigned reference:1;
+} impl_var;
+
+static inline impl_var *init_impl_var(char *name, int is_reference) {
+	impl_var *var = malloc(sizeof(*var));
+	var->name = (char *) strdup((const char *) name);
+	var->reference = is_reference;
+	return var;
+}
+
+static inline void free_impl_var(impl_var *var) {
+	free(var->name);
+	free(var);
+}
+
+typedef struct impl_def_val {
+	token_t type;
+	union {
+		int64_t digits;
+		double decimals;
+	} v;
+	unsigned is_null:1;
+} impl_def_val;
+
+static inline impl_def_val *init_impl_def_val() {
+	impl_def_val *def = malloc(sizeof(*def));
+	def->type = 0;
+	def->is_null = 1;
+	return def;
+}
+
+static inline void free_impl_def_val(impl_def_val *def) {
+	free(def);
+}
+
+typedef struct impl_arg {
+	impl_type *type;
+	impl_var *var;
+	impl_def_val *def;
+} impl_arg;
+
+static inline impl_arg *init_impl_arg(impl_type *type, impl_var *var, impl_def_val *def) {
+	impl_arg *arg = malloc(sizeof(*arg));
+	arg->type = type;
+	arg->var = var;
+	arg->def = def;
+	return arg;
+}
+
+static inline void free_impl_arg(impl_arg *arg) {
+	free_impl_type(arg->type);
+	free_impl_var(arg->var);
+	if (arg->def) {
+		free_impl_def_val(arg->def);
+	}
+	free(arg);
+}
+
+typedef struct impl_args {
+	impl_arg **args;
+	size_t count;
+} impl_args;
+
+static inline impl_args *init_impl_args(impl_arg *arg) {
+	impl_args *args = malloc(sizeof(*args));
+	args->args = malloc(sizeof(*args->args));
+	if (arg) {
+		args->count = 1;
+		args->args[0] = arg;
+	} else {
+		args->count = 0;
+		args->args = NULL;
+	}
+	return args;
+}
+
+static inline impl_args *add_impl_arg(impl_args *args, impl_arg *arg) {
+	args->args = realloc(args->args, ++args->count * sizeof(*args->args));
+	args->args[args->count-1] = arg;
+	return args;
+}
+
+static inline void free_impl_args(impl_args *args) {
+	size_t i;
+
+	for (i = 0; i < args->count; ++i) {
+		free_impl_arg(args->args[i]);
+	}
+	free(args->args);
+	free(args);
+}
+
+typedef struct impl_func {
+	char *name;
+	impl_args *args;
+	impl_type *return_type;
+} impl_func;
+
+static inline impl_func *init_impl_func(char *name, impl_args *args, impl_type *type) {
+	impl_func *func = malloc(sizeof(*func));
+	func->name = strdup(name);
+	func->args = args ? args : init_impl_args(NULL);
+	func->return_type = type;
+	return func;
+}
+
+static inline void free_impl_func(impl_func *f) {
+	free_impl_type(f->return_type);
+	free_impl_args(f->args);
+	free(f->name);
+	free(f);
+}
+
+typedef struct let_func {
+	token_t type;
+	char *name;
+} let_func;
+
+static inline let_func *init_let_func(token_t type, char *name) {
+	let_func *func = malloc(sizeof(*func));
+	func->type = type;
+	func->name = (char *) strdup((const char *) name);
+	return func;
+}
+
+static inline void free_let_func(let_func *func) {
+	free(func->name);
+	free(func);
+}
+
+typedef struct let_value {
+	let_func *func;
+	impl_var *var;
+	unsigned null_pointer_ref:1;
+} let_value;
+
+static inline let_value *init_let_value(let_func *func, impl_var *var, int null_pointer_ref) {
+	let_value *val = malloc(sizeof(*val));
+	val->null_pointer_ref = null_pointer_ref;
+	val->func = func;
+	val->var = var;
+	return val;
+}
+
+static inline void free_let_value(let_value *val) {
+	if (val->func) {
+		free_let_func(val->func);
+	}
+	if (val->var) {
+		free_impl_var(val->var);
+	}
+	free(val);
+}
+
+typedef struct let_stmt {
+	decl_var *var;
+	let_value *val;
+} let_stmt;
+
+static inline let_stmt *init_let_stmt(decl_var *var, let_value *val) {
+	let_stmt *let = malloc(sizeof(*let));
+	let->var = var;
+	let->val = val;
+	return let;
+}
+
+static inline void free_let_stmt(let_stmt *stmt) {
+	free_decl_var(stmt->var);
+	free_let_value(stmt->val);
+	free(stmt);
+}
+
+typedef struct set_func {
+	token_t type;
+	char *name;
+} set_func;
+
+static inline set_func *init_set_func(token_t type, char *name) {
+	set_func *func = malloc(sizeof(*func));
+	func->type = type;
+	func->name = (char *) strdup((const char *) name);
+	return func;
+}
+
+static inline void free_set_func(set_func *func) {
+	free(func->name);
+	free(func);
+}
+
+typedef struct set_value {
+	set_func *func;
+	decl_vars *vars;
+} set_value;
+
+static inline set_value *init_set_value(set_func *func, decl_vars *vars) {
+	set_value *val = malloc(sizeof(*val));
+	val->func = func;
+	val->vars = vars;
+	return val;
+}
+
+static inline void free_set_value(set_value *val) {
+	free_set_func(val->func);
+	free_decl_vars(val->vars);
+	free(val);
+}
+
+typedef struct set_stmt {
+	impl_var *var;
+	set_value *val;
+} set_stmt;
+
+static inline set_stmt *init_set_stmt(impl_var *var, set_value *val) {
+	set_stmt *set = malloc(sizeof(*set));
+	set->var = var;
+	set->val = val;
+	return set;
+}
+
+static inline void free_set_stmt(set_stmt *set) {
+	free_impl_var(set->var);
+	free_set_value(set->val);
+	free(set);
+}
+
+typedef struct ret_stmt {
+	set_func *func;
+	decl_var *decl;
+} ret_stmt;
+
+static inline ret_stmt *init_ret_stmt(set_func *func, decl_var *decl) {
+	ret_stmt *ret = malloc(sizeof(*ret));
+	ret->func = func;
+	ret->decl = decl;
+	return ret;
+}
+
+static inline void free_ret_stmt(ret_stmt *ret) {
+	free_set_func(ret->func);
+	free_decl_var(ret->decl);
+	free(ret);
+}
+
+typedef struct impl_stmt {
+	token_t type;
+	union {
+		let_stmt *let;
+		set_stmt *set;
+		ret_stmt *ret;
+		void *ptr;
+	} s;
+} impl_stmt;
+
+static inline impl_stmt *init_impl_stmt(token_t type, void *ptr) {
+	impl_stmt *stmt = malloc(sizeof(*stmt));
+	stmt->type = type;
+	stmt->s.ptr = ptr;
+	return stmt;
+}
+
+static inline void free_impl_stmt(impl_stmt *stmt) {
+	switch (stmt->type) {
+	case PSI_T_LET:
+		free_let_stmt(stmt->s.let);
+		break;
+	case PSI_T_SET:
+		free_set_stmt(stmt->s.set);
+		break;
+	case PSI_T_RET:
+		free_ret_stmt(stmt->s.ret);
+		break;
+	}
+	free(stmt);
+}
+
+typedef struct impl_stmts {
+	impl_stmt **stmts;
+	size_t count;
+} impl_stmts;
+
+static inline impl_stmts *init_impl_stmts(impl_stmt *stmt) {
+	impl_stmts *stmts = malloc(sizeof(*stmts));
+	stmts->count = 1;
+	stmts->stmts = malloc(sizeof(*stmts->stmts));
+	stmts->stmts[0] = stmt;
+	return stmts;
+}
+
+static inline impl_stmts *add_impl_stmt(impl_stmts *stmts, impl_stmt *stmt) {
+	stmts->stmts = realloc(stmts->stmts, ++stmts->count * sizeof(*stmts->stmts));
+	stmts->stmts[stmts->count-1] = stmt;
+	return stmts;
+}
+
+static inline void free_impl_stmts(impl_stmts *stmts) {
+	size_t i;
+
+	for (i = 0; i < stmts->count; ++i) {
+		free_impl_stmt(stmts->stmts[i]);
+	}
+	free(stmts->stmts);
+	free(stmts);
+}
+
+typedef struct impl {
+	impl_func *func;
+	impl_stmts *stmts;
+} impl;
+
+static inline impl *init_impl(impl_func *func, impl_stmts *stmts) {
+	impl *i = malloc(sizeof(*i));
+	i->func = func;
+	i->stmts = stmts;
+	return i;
+}
+
+static inline void free_impl(impl *impl) {
+	free_impl_func(impl->func);
+	free_impl_stmts(impl->stmts);
+	free(impl);
+}
+
+typedef struct impls {
+	size_t count;
+	impl **list;
+} impls;
+
+static impls *add_impl(impls *impls, impl *impl) {
+	if (!impls) {
+		impls = calloc(1, sizeof(*impls));
+	}
+	impls->list = realloc(impls->list, ++impls->count * sizeof(*impls->list));
+	impls->list[impls->count-1] = impl;
+	return impls;
+}
+
+static void free_impls(impls *impls) {
+	size_t i;
+
+	for (i = 0; i < impls->count; ++i) {
+		free_impl(impls->list[i]);
+	}
+	free(impls->list);
+	free(impls);
+}
+
+typedef struct PSI_Data {
+	decl_typedefs *defs;
+	decls *decls;
+	impls *impls;
+	char *lib;
+	char *fn;
+} PSI_Data;
+
+static inline void PSI_DataExchange(PSI_Data *dest, PSI_Data *src) {
+	memcpy(dest, src, sizeof(*dest));
+	memset(src, 0, sizeof(*src));
+}
+
+static inline void PSI_DataDtor(PSI_Data *data) {
+	if (data->defs) {
+		free_decl_typedefs(data->defs);
+	}
+	if (data->decls) {
+		free_decls(data->decls);
+	}
+	if (data->impls) {
+		free_impls(data->impls);
+	}
+	if (data->lib) {
+		free(data->lib);
+	}
+	if (data->fn) {
+		free(data->fn);
+	}
+}
+
+typedef struct PSI_Parser {
+	decl_typedefs *defs;
+	decls *decls;
+	impls *impls;
+	char *lib;
+	char *fn;
+	FILE *fp;
+	void *proc;
+	size_t line;
+	token_t num;
+	char *cur, *tok, *lim, *eof, *ctx, *mrk, buf[BSIZE];
+} PSI_Parser;
+
+static inline PSI_Token *PSI_TokenAlloc(PSI_Parser *P) {
+	PSI_Token *T;
+	size_t token_len;
+
+	if (P->cur <= P->tok) {
+		return NULL;
+	}
+
+	token_len = P->cur - P->tok;
+
+	T = malloc(sizeof(*T) + token_len);
+	T->type = P->num;
+	T->line = P->line;
+	T->size = token_len;
+	T->text[token_len] = 0;
+	memcpy(T->text, P->tok, token_len);
+
+	return T;
+}
+
+PSI_Parser *PSI_ParserInit(PSI_Parser *P, const char *filename);
+size_t PSI_ParserFill(PSI_Parser *P, size_t n);
+token_t PSI_ParserScan(PSI_Parser *P);
+void PSI_ParserParse(PSI_Parser *P, PSI_Token *T);
+void PSI_ParserDtor(PSI_Parser *P);
+void PSI_ParserFree(PSI_Parser **P);
+
+#endif