--- /dev/null
+#include <stdio.h>
+
+// Helper to stringify a macro argument
+#define STR(x) #x
+#define SHOW(x) STR(x)
+
+#define BAD(x ,y) x + y
+#assign (Z ,12)
+//#xassign (Z ,12) // invalid directive
+
+// Macros to test argument parsing and expansion
+#define ZERO() SHOW(ZERO())
+#define ONE(x) SHOW(ONE(x))
+#define TWO(x ,y) SHOW(TWO(x ,y))
+#define VAR(...) SHOW(VAR(__VA_ARGS__))
+#define MIXED(x ,...) SHOW(MIXED(x ,__VA_ARGS__))
+
+int main() {
+ int x = BAD(1 ,2); // should work
+ printf("x:%x\n" ,x);
+
+ // int y = BAD(1 ,2 ,3); // Too many args
+ printf("%s\n" ,ZERO()); // "ZERO()"
+ printf("%s\n" ,ONE(42)); // "ONE(42)"
+ printf("%s\n" ,TWO(a ,b)); // "TWO(a ,b)"
+ printf("%s\n" ,VAR()); // "VAR()"
+ printf("%s\n" ,VAR(1)); // "VAR(1)"
+ printf("%s\n" ,VAR(1 ,2 ,3)); // "VAR(1 ,2 ,3)"
+ printf("%s\n" ,MIXED(0)); // "MIXED(0)"
+ printf("%s\n" ,MIXED(x ,y ,z)); // "MIXED(x ,y ,z)"
+ printf("%s\n" ,ONE((1 ,2))); // "ONE((1 ,2))"
+ printf("%s\n" ,VAR((a ,b) ,c)); // "VAR((a ,b) ,c)"
+ return 0;
+}
--- /dev/null
+#include <stdio.h>
+
+// Helper to stringify a macro argument
+#define STR(x) #x
+#define SHOW(x) STR(x)
+
+#define BAD(x ,y) x + y
+#assign (Z ,12)
+//#xassign (Z ,12) // invalid directive
+
+// Macros to test argument parsing and expansion
+#define ZERO() SHOW(ZERO())
+#define ONE(x) SHOW(ONE(x))
+#define TWO(x ,y) SHOW(TWO(x ,y))
+#define VAR(...) SHOW(VAR(__VA_ARGS__))
+#define MIXED(x ,...) SHOW(MIXED(x ,__VA_ARGS__))
+
+int main() {
+ int x = BAD(1 ,2); // should work
+ printf("x:%x\n" ,x);
+
+ // int y = BAD(1 ,2 ,3); // Too many args
+ printf("%s\n" ,ZERO()); // "ZERO()"
+ printf("%s\n" ,ONE(42)); // "ONE(42)"
+ printf("%s\n" ,TWO(a ,b)); // "TWO(a ,b)"
+ printf("%s\n" ,VAR()); // "VAR()"
+ printf("%s\n" ,VAR(1)); // "VAR(1)"
+ printf("%s\n" ,VAR(1 ,2 ,3)); // "VAR(1 ,2 ,3)"
+ printf("%s\n" ,MIXED(0)); // "MIXED(0)"
+ printf("%s\n" ,MIXED(x ,y ,z)); // "MIXED(x ,y ,z)"
+ printf("%s\n" ,ONE((1 ,2))); // "ONE((1 ,2))"
+ printf("%s\n" ,VAR((a ,b) ,c)); // "VAR((a ,b) ,c)"
+ return 0;
+}
--- /dev/null
+#include <stdio.h>
+
+// Static macros
+#define VALUE 42
+#define OTHER 99
+#define JOIN(a, b) a##b
+#define SUFFIX ID
+
+// Symbolic macro name and value
+#define NAME myvar
+
+// Assign dynamically: #define myvar 42
+#assign(NAME, VALUE)
+
+// Assign dynamically: #define pre_ID 99
+#assign(JOIN(pre_, SUFFIX), OTHER)
+
+int main(void)
+{
+ // Check that macros were defined
+ printf("myvar: %d\n", myvar); // Should print 42
+ printf("pre_ID: %d\n", pre_ID); // Should print 99
+
+ return 0;
+}
--- /dev/null
+1. To see preprocessor output:
+
+gcc -E try_assign.c
+
+You should see:
+
+#define myvar 42
+#define pre_ID 99
+
+2. To compile and run:
+
+gcc try_assign.c -o try_assign
+./try_assign
+
+Expected output:
+
+myvar: 42
+pre_ID: 99
+
export REPO_HOME PROJECT PROMPT_DECOR
# --------------------------------------------------------------------------------
-# tool chain
+# RT_gcc_16
+# note also PATH entry
+
+ export RT_gcc_16=/home/Thomas/subu_data/developer/N/tool_shared/customized/RT_gcc_16
+ export LIBRARY_PATH=$RT_gcc_16/lib
+ export C_INCLUDE_PATH=$RT_gcc_16/include
+ export LD_LIBRARY_PATH=$RT_gcc_16/lib
+
+# --------------------------------------------------------------------------------
+# Other Tool roots
#
+ export JAVA_HOME="$REPO_HOME/tool_shared/third_party/jdk-23.0.1"
+ export MOSAIC_HOME="$REPO_HOME/tool_shared/third_party/Mosaic"
+
+
+# --------------------------------------------------------------------------------
+# PATH
+# precedence: last defined, first discovered
+
PATH="$REPO_HOME/tool_shared/third_party/RT-project-share/release/bash:$PATH"
PATH="$REPO_HOME/tool_shared/third_party/RT-project-share/release/amd64:$PATH"
PATH="$REPO_HOME/tool_shared/third_party/emacs/bin:$PATH"
PATH="$REPO_HOME/tool_shared/third_party/idea-IC-243.21565.193/bin:$PATH"
PATH="$REPO_HOME/tool_shared/third_party:$PATH"
-
- gcc_16=/home/Thomas/subu_data/developer/N/tool_shared/customized/gcc_16
- PATH="$gcc_16":"$PATH"
-
+ PATH="$RT_gcc_16":"$PATH"
PATH="$REPO_HOME/tool_shared/customized:$PATH"
PATH="$REPO_HOME"/tool_shared/bespokeđź–‰:"$PATH"
- # Remove duplicates and export path
+ # Remove duplicates
clean_path() {
PATH=$(echo ":$PATH" | awk -v RS=: -v ORS=: '!seen[$0]++' | sed 's/^://; s/:$//')
}
clean_path
export PATH
- # Toolchain roots
- export JAVA_HOME="$REPO_HOME/tool_shared/third_party/jdk-23.0.1"
- export MOSAIC_HOME="$REPO_HOME/tool_shared/third_party/Mosaic"
-
- // for the customized gcc/cpp
- export LIBRARY_PATH=$gcc_16/lib
- export C_INCLUDE_PATH=$gcc_16/include
- export LD_LIBRARY_PATH=$gcc_16/lib
-
-
# --------------------------------------------------------------------------------
# the following functions are provided for other scripts to use.
# at the top of files that make use of these functions put the following line:
--- /dev/null
+/home/Thomas/subu_data/developer/RT_gcc_16/install
\ No newline at end of file
+++ /dev/null
-/home/Thomas/subu_data/developer/pragma_macro/install
\ No newline at end of file
make sure `pragma_macro` project is installed and built. This provides gcc
to multiple projects, so it is at the top level ~/pragma_macro.
- gcc_16=/home/Thomas/subu_data/developer/N/tool_shared/customized/gcc_16
- cd $REPO_HOME/tool_shared/customized
- ln -s /home/Thomas/subu_data/developer/pragma_macro/install $gcc_16
+ RT_gcc_16=/home/Thomas/subu_data/developer/N/tool_shared/customized/RT_gcc_16
- place in bespokeđź–‰/env:
- export PATH=$gcc_16:$PATH
- export LIBRARY_PATH=$gcc_16/lib
- export C_INCLUDE_PATH=$gcc_16/include
- export LD_LIBRARY_PATH=$gcc_16/lib
+ ln -s /home/Thomas/subu_data/developer/RT_gcc_16/install $RT_gcc_16
+
+ PATH="$RT_gcc_16":"$PATH"
+ export PATH=$RT_gcc_16:$PATH
+ export LIBRARY_PATH=$RT_gcc_16/lib
+ export C_INCLUDE_PATH=$RT_gcc_16/include
+ export LD_LIBRARY_PATH=$RT_gcc_16/lib
projects / N / commitdiff