Initial commitHEADmaster

6 files changed, 162 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c54efed
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,53 @@
+#
+# Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+#
+# This file is part of marcus.
+#
+# desiderio is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# desiderio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with desiderio. If not, see <https://www.gnu.org/licenses/>.
+#
+
+OUT  = marcus
+CC   = cc
+LEX  = lex
+YACC = yacc
+
+SRC != find * -name '*c'
+OBJ  = ${SRC:.c=.o}
+
+LEX_SRC != find * -name '*l'
+LEX_OBJ  = ${LEX_SRC:.l=.c}
+OBJ     += ${LEX_SRC:.l=.o}
+
+YACC_SRC != find * -name '*y'
+YACC_C  = ${YACC_SRC:.y=.c}
+YACC_H  = ${YACC_SRC:.y=.h}
+SRC += ${YACC_C}
+
+${OUT}: ${YACC_C} ${LEX_OBJ} ${OBJ}
+	@echo -- Generating ${OUT}
+	${CC} -o ${OUT} ${OBJ}
+
+.l.c: ${LEX_SRC}
+	@echo -- Generating scanner files
+	${LEX} -o $@ $>
+
+.c.o:
+	${CC} -o $@ -c $>
+
+.y.c: ${YACC_SRC}
+	@echo -- Generating parser files
+	${YACC} -o $@ -d $>
+
+clean:
+	rm -f ${OBJ} ${OUT} ${LEX_OBJ} ${YACC_C} ${YACC_H}
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..16ea0d7
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+# Marcus
+Marcus is a template engine for the C language.
\ No newline at end of file
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..44bc34c
--- /dev/null
+++ b/main.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+ *
+ * This file is part of marcus.
+ *
+ * desiderio is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * desiderio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with desiderio. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "parser/marcus.h"
+#include "scanner/marcus.h"
+
+int main(int argc, char** argv)
+{
+  printf("Hello World! Marcus.\n");
+  yyparse();
+
+  return 0;
+}
+
+int yywrap(void)
+{
+     return 0;
+}
+
+int yyerror(char *errormsg)
+{
+      fprintf(stderr, "%s\n", errormsg);
+      exit(1);
+}
\ No newline at end of file
diff --git a/parser/marcus.y b/parser/marcus.y
new file mode 100644
index 0000000..3e61bba
--- /dev/null
+++ b/parser/marcus.y
@@ -0,0 +1,23 @@
+%{
+
+  #include <stdio.h>
+  #include <stdlib.h>
+  int yylex(void);
+  int yyerror(const char *s);
+
+%}
+
+%token HI BYE
+
+%%
+
+program:
+         hi bye
+        ;
+
+hi:
+        HI     { printf("Hello World\n");   }
+        ;
+bye:
+        BYE    { printf("Bye World\n"); exit(0); }
+         ;
diff --git a/scanner/marcus.h b/scanner/marcus.h
new file mode 100644
index 0000000..03fc03f
--- /dev/null
+++ b/scanner/marcus.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+ *
+ * This file is part of marcus.
+ *
+ * desiderio is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * desiderio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with desiderio. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __SCANNER_MARCUS_H__
+#define __SCANNER_MARCUS_H__
+
+int yyerror(char *errormsg);
+int yyparse();
+
+#endif
\ No newline at end of file
diff --git a/scanner/marcus.l b/scanner/marcus.l
new file mode 100644
index 0000000..e5f613b
--- /dev/null
+++ b/scanner/marcus.l
@@ -0,0 +1,16 @@
+%{
+
+  #include "../parser/marcus.h"
+  #include "marcus.h"
+
+%}
+
+%%
+
+("hi"|"oi")"\n"       { return HI;  }
+("tchau"|"bye")"\n"   { return BYE; }
+[-[]+.,><]            { return yytext[0]; }
+.                     { yyerror("Unknow char");  }
+
+%%
+