Utility to generate pscexamples.js (built by Makefile)

Author: cpp-tutor

Makefile

@@ -5,11 +5,13 @@ BISON = bison
 CPP = g++
 CPPFLAGS = -std=c++20 -O3
 TARGET = psc
+PROGS = pscexamples
 
 AUTOGEN = Parser.hpp Parser.cpp Lexer.cpp Location.hpp
 OBJS = Lexer.o Parser.o main.o
+PROGS_OBJS = pscexamples.o
 
-all: $(TARGET)
+all: $(TARGET) $(PROGS)
 
 $(AUTOGEN): scanner.l grammar.y
 	$(BISON) grammar.y
@@ -21,8 +23,11 @@ $(AUTOGEN): scanner.l grammar.y
 $(TARGET): $(AUTOGEN) $(OBJS)
 	$(CPP) $(CPPFLAGS) -o $(TARGET) $(OBJS)
 
+$(PROGS): $(PROGS_OBJS)
+	$(CPP) $(CPPFLAGS) -o $(PROGS) $(PROGS_OBJS)
+
 clean:
-	rm -f $(TARGET) $(AUTOGEN) $(OBJS)
+	rm -f $(PROGS) $(PROGS_OBJS) $(TARGET) $(AUTOGEN) $(OBJS)
 
 # Static dependencies
 Lexer.o: SymbolTypes.hpp Tree.hpp Expression.hpp Symbol.hpp Lexer.hpp Parser.hpp

Makefile.nmake

@@ -13,8 +13,10 @@ CPPFlags = /nologo /EHsc /std:c++20 /O2 /wd4005 $(FlexLexer_h)
 Target = psc.exe
 Objs = Lexer.obj Parser.obj main.obj
 Autogen = Lexer.cpp Parser.hpp Parser.cpp Location.hpp
+Progs = pscexamples.exe
+ProgsObjs = pscexamples.obj
 
-all: $(Target)
+all: $(Target) $(Progs)
 
 $(Autogen): scanner.l grammar.y
   $(Bison) grammar.y
@@ -26,8 +28,11 @@ $(Autogen): scanner.l grammar.y
 $(Target): $(Autogen) $(Objs)
   $(CPP) $(CPPFlags) /Fe$(Target) $(Objs)
 
+$(Progs): $(ProgsObjs)
+  $(CPP) $(CPPFlags) /Fe$(Progs) $(ProgsObjs)
+
 clean:
-  del $(Target) $(Objs) $(Autogen)
+  del $(Progs) $(ProgsObjs) $(Target) $(Objs) $(Autogen)
 
 # Static dependencies
 Lexer.obj: SymbolTypes.hpp Tree.hpp Expression.hpp Symbol.hpp Lexer.hpp Parser.hpp

pscexamples.cpp

@@ -0,0 +1,27 @@
+// pscexamples.cpp : group pseudocode programs into .js file for web interface
+// Note: use ./pscexamples hello.psc chars.psc ... > ../pscexamples.js
+
+#include <iostream>
+#include <fstream>
+#include <span>
+#include <string>
+
+using std::span;
+using std::cout;
+using std::ifstream;
+using std::string;
+
+int main(const int argc, const char **argv) {
+    span<const char*> args{ argv + 1, argv + argc };
+    cout << "pseudocode_examples = [ ";
+    for (auto sep = ""; auto pscfile : args) {
+        cout << sep << "{ name: \'" << pscfile << "\', code: `";
+        ifstream file(pscfile);
+        string code;
+        getline(file, code, '\0');
+        cout << code;
+        cout << "` }";
+        sep = ", ";
+    }
+    cout << " ];";
+}