12 20

ChangeLog

@@ -1,3 +1,35 @@
+2020-12-19 (12.20)
+	SDL: Update editor popup appearance
+
+2020-11-19 (12.20)
+	COMMON: Fix to allow multiple modules and units within saem program
+
+2020-11-13 (12.20)
+	ANDROID: add option to preserve user data when app uninstalled
+
+2020-11-10 (12.20)
+	ANDROID: change path label when displaying project folder
+	COMMON: ensure INT datatype is always 64 bits
+
+2020-11-01 (12.20)
+	CONSOLE: give error when file not found
+
+2020-10-31 (12.20)
+	SDL: implemented restoring the cursor position
+
+2020-10-29 (12.20)
+	COMMON: Implemented c-styles escape sequences
+
+2020-10-27 (12.20)
+	COMMON: add support for inline assignment of export variables
+	COMMON: add support for unit alias names
+
+2020-10-21 (12.20)
+	ANDROID: upgrade to target android 29
+
+2020-10-21 (12.20)
+	COMMON: Fix to allow c-modules to be called from units
+
 2020-07-16 (12.19)
 	COMMON: Fix 'Print #' on Windows to use Windows line endings
 

autogen.sh

@@ -1,14 +1,15 @@
 # This file is part of SmallBASIC
 #
-# Copyright(C) 2001-2015 Chris Warren-Smith.
+# Copyright(C) 2001-2020 Chris Warren-Smith.
 #
 # This program is distributed under the terms of the GPL v2.0 or later
 # Download the GNU Public License (GPL) from www.gnu.org
 #
 
 ln -sf README.md README
 
-git submodule update --
+git submodule init
+git submodule update
 
 pkg-config --version > /dev/null || echo "Please install pkg-config"
 

configure.ac

@@ -7,7 +7,7 @@ dnl This program is distributed under the terms of the GPL v2.0
 dnl Download the GNU Public License (GPL) from www.gnu.org
 dnl
 
-AC_INIT([smallbasic], [12.19])
+AC_INIT([smallbasic], [12.20])
 AC_CONFIG_SRCDIR([configure.ac])
 
 AC_CANONICAL_TARGET
@@ -59,8 +59,6 @@ function checkForWindows() {
      *darwin*)
      ;;
      *)
-     dnl backlinking support for modules
-     LDFLAGS="${LDFLAGS} -export-dynamic"
    esac
    AM_CONDITIONAL(WITH_WIN32, test x"$win32" = "xyes")
 }
@@ -219,7 +217,6 @@ function buildSDL() {
    AC_DEFINE(_SDL, 1, [Defined when building SDL version])
    AC_DEFINE(_UnixOS, 1, [Building under Unix like systems.])
    AC_DEFINE(IMPL_DEV_READ, 1, [Implement dev_read()])
-   AC_DEFINE(IMPL_DEV_DELAY, 1, [Driver implements dev_delay()])
    AC_DEFINE(IMPL_LOG_WRITE, 1, [Driver implements lwrite()])
 
    BUILD_SUBDIRS="src/common src/platform/sdl"
@@ -235,7 +232,6 @@ function buildAndroid() {
    AC_DEFINE(_UnixOS, 1, [Building under Unix like systems.])
    AC_DEFINE(_ANDROID, 1, [Defined for Android build.])
    AC_DEFINE(IMPL_DEV_READ, 1, [Implement dev_read()])
-   AC_DEFINE(IMPL_DEV_DELAY, 1, [Driver implements dev_delay()])
    AC_DEFINE(IMPL_LOG_WRITE, 1, [Driver implements lwrite()])
 
    BUILD_SUBDIRS="src/platform/android"
@@ -260,7 +256,6 @@ function buildConsole() {
    )
 
    AM_CONDITIONAL(WITH_CYGWIN_CONSOLE, test $win32 = yes)
-   AC_DEFINE(BUILD_CONSOLE, 1, [Building a console based system.])
 
    if test $win32 = yes; then
       dnl test whether to build using mingw
@@ -287,7 +282,7 @@ function buildConsole() {
          TARGET="Building Cygwin MinGW console version."
          AC_DEFINE(__MINGW32__, 1, [as above])
          AC_DEFINE(_UnixOS, 1, [Building under Unix like systems.])
-         PACKAGE_LIBS="${PACKAGE_LIBS} -Wl,-Bstatic -mconsole -lmingw32 -lwsock32 -lws2_32 -static-libgcc"
+         PACKAGE_LIBS="${PACKAGE_LIBS} -Wl,-Bstatic -mconsole -lwsock32 -lws2_32 -static-libgcc"
          BUILD_SUBDIRS="src/common src/platform/console"
       fi
       AC_DEFINE(_Win32, 1, [Windows build])
@@ -320,7 +315,6 @@ function buildWeb() {
    BUILD_SUBDIRS="src/common src/platform/web"
    AM_CONDITIONAL(WITH_CYGWIN_CONSOLE, false)
    AC_DEFINE(_UnixOS, 1, [Building under Unix like systems.])
-   AC_DEFINE(IMPL_DEV_DELAY, 1, [Driver implements dev_delay()])
    AC_DEFINE(IMPL_LOG_WRITE, 1, [Driver implements lwrite()])
    AC_DEFINE(USE_TERM_IO, 0, [dont use the termios library.])
    AC_DEFINE(IMPL_DEV_ENV, 1, [Driver implements dev_env funcs])
@@ -374,7 +368,6 @@ function buildFLTK() {
    AC_DEFINE(_UnixOS, 1, [Building under Unix like systems.])
    AC_DEFINE(_FLTK, 1, [Defined for FLTK build.])
    AC_DEFINE(IMPL_DEV_READ, 1, [Implement dev_read()])
-   AC_DEFINE(IMPL_DEV_DELAY, 1, [Driver implements dev_delay()])
    AC_DEFINE(IMPL_LOG_WRITE, 1, [Driver implements lwrite()])
 
    BUILD_SUBDIRS="src/common src/platform/fltk"

debian/changelog

@@ -1,3 +1,8 @@
+smallbasic (12.20) unstable; urgency=low
+  * Various see web site
+
+ -- Chris Warren-Smith <[email protected]>  Fri, 16 Oct 2020 09:45:25 +1000
+
 smallbasic (0.12.19) unstable; urgency=low
   * Various see web site
 

samples/distro-examples/tests/call_tau.bas

@@ -1,19 +1,19 @@
 ' example: using a unit, 0.9
 '
 
-Import Tau, PreDef
+Import Tau as taz, PreDef
 
-? "Tau's exported variable: ", tau.expvar
-? "Function fooF          : ", tau.fooF("Hi")
+? "Tau's exported variable: ", taz.expvar
+? "Function fooF          : ", taz.fooF("Hi")
 ? "Procedure fooP         : "
-tau.fooP "Hi"
+taz.fooP "Hi"
 
 ' reverse var-update 
-tau.expvar = "message from main"
-tau.print_expvar
-? tau.expvar
-tau.build_ta
-? tau.ta
+taz.expvar = "message from main"
+taz.print_expvar
+? taz.expvar
+taz.build_ta
+? taz.ta
 'tau.cerr
 
 rem check system-variables
@@ -31,12 +31,19 @@ foyer.name= "my name is PI"
 ? "end"
 
 for i = 0 to 1000
-  tau.addRoom(foyer,x)
-  jj = tau.calcRoomSize(foyer,x)
+  taz.addRoom(foyer,x)
+  jj = taz.calcRoomSize(foyer,x)
 next i
 
 sub addRoom(the_thing, d)
   print the_thing.name, d
 end
 
 addRoom(foyer,x)
+
+if (Taz.LIGHTGRAY != rgb(200, 200, 200)) then
+  print "Error importing inline assigned export variable"
+endif
+if (Taz.YELLOW != rgb(253, 249, 0)) then
+  print "Error importing inline assigned export variable"
+endif

samples/distro-examples/tests/strings.bas

@@ -177,7 +177,7 @@ if expect != seq(0, 2*pi, 360/15+1) then throw "SEQ error"
 s="Hello\033There"
 if (27 != asc(mid(s, 6, 1))) then throw "err"
 rem Non escaping '\' should appear verbatim
-s= "a\c\e"
+s= "a\\c\\e"
 if mid(s, 2, 1) != "\\" then throw s
 if mid(s, 4, 1) != "\\" then throw s
 
@@ -189,3 +189,12 @@ for c in s1
 next c
 if (s1 <> s2) then throw s2
 
+if (asc("\a") !=  7) then throw "err1"
+if (asc("\b") !=  8) then throw "err2"
+if (asc("\e") != 27) then throw "err3"
+if (asc("\f") != 12) then throw "err4"
+if (asc("\n") != 10) then throw "err5"
+if (asc("\r") != 13) then throw "err6"
+if (asc("\t") !=  9) then throw "err7"
+if (asc("\v") != 11) then throw "err8"
+

samples/distro-examples/tests/tau.bas

@@ -3,10 +3,14 @@ Import TauChild
 
 Export expvar, foof, foop
 export addRoom,calcRoomSize
-export print_expvar, ta, build_ta, cerr
+export print_expvar, ta, build_ta,   cerr
 
 expvar = "Tau's exported variable"
 
+export const LIGHTGRAY  = rgb(200, 200, 200)
+export const GRAY       = rgb(130, 130, 130)
+export const DARKGRAY   = rgb(80, 80, 80), const YELLOW     = rgb(253, 249, 0)
+
 func fooF(x)
 	foof = "Tau's fooF("+x+") is here"
 end

src/common/bc.c

@@ -9,6 +9,36 @@
 
 #include "common/bc.h"
 #include "common/smbas.h"
+#include "common/str.h"
+
+/*
+ * string escape codes
+ */
+const char escapes[][2] = {
+  {'a', 0x07},
+  {'b', 0x08},
+  {'e', 0x1b},
+  {'f', 0x0c},
+  {'n', 0x0a},
+  {'r', 0x0d},
+  {'t', 0x09},
+  {'v', 0x0b},
+};
+
+/*
+ * whether the character is an escape
+ */
+int bc_is_escape(char c, char *value) {
+  int len = sizeof(escapes) / sizeof(escapes[0]);
+  int result = 0;
+  for (int i = 0; i < len && !result; i++) {
+    if (escapes[i][0] == c) {
+      *value = escapes[i][1];
+      result = 1;
+    }
+  }
+  return result;
+}
 
 /*
  * Create a bytecode segment
@@ -182,23 +212,18 @@ void bc_add_strn(bc_t *bc, const char *str, int len) {
  * returns a pointer of src to the next "element"
  */
 char *bc_store_string(bc_t *bc, char *src) {
-  char *p = src;
-  char *np = NULL;
+  // skip past opening quotes
+  char *p = src + 1;
   char *base = src + 1;
-  int len = 0;
+  char escape = 0;
+  cstr cs;
+  cstr_init(&cs, 5);
 
-  // skip past opening quotes
-  p++;
   while (*p) {
     if ((*p == '\\' && ((*(p + 1) == '\"') || *(p + 1) == '\\'))
         || *p == V_JOIN_LINE) {
       // escaped quote " or escaped escape
-      int seglen = p - base;
-      np = np ? realloc(np, len + seglen + 1) : malloc(seglen + 1);
-      strncpy(np + len, base, seglen);
-      // add next segment
-      len += seglen;
-      np[len] = 0;
+      cstr_append_i(&cs, base, p - base);
 
       if (*p == V_JOIN_LINE) {
         // skip null newline
@@ -211,6 +236,11 @@ char *bc_store_string(bc_t *bc, char *src) {
 
       // include " (or \ ) in next segment
       base = ++p;
+    } else if (*p == '\\' && bc_is_escape(*(p + 1), &escape)) {
+      char code[] = {escape, '\0'};
+      cstr_append_i(&cs, base, p - base);
+      cstr_append_i(&cs, code, 1);
+      base = (++p) + 1;
     } else if (*p == V_QUOTE) {
       // revert hidden quote
       *p = '\"';
@@ -220,17 +250,14 @@ char *bc_store_string(bc_t *bc, char *src) {
       *p = '\n';
     } else if (*p == '\"') {
       // end of string detected
-      int seglen = p - base;
-      np = np ? realloc(np, len + seglen + 1) : malloc(seglen + 1);
-      memcpy(np + len, base, seglen);
-      bc_add_strn(bc, np, len + seglen);
-      free(np);
+      cstr_append_i(&cs, base, p - base);
+      bc_add_strn(bc, cs.buf, cs.length);
       p++;
-      return p;
+      break;
     }
     p++;
   }
-  free(np);
+  free(cs.buf);
   return p;
 }