Merge pull request #79 from Servostar/68-generate-ast-from-parser-rules
68 generate ast from parser rules
This commit is contained in:
Filleo
GitHub
commit
a3e3e25e18
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@ -61,8 +61,10 @@ set(YACC_SOURCE_FILE ${PROJECT_SOURCE_DIR}/src/yacc/parser.y)
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set(YACC_GENERATED_SOURCE_FILE ${PROJECT_SOURCE_DIR}/src/yacc/parser.tab.c)
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add_custom_command(OUTPUT ${YACC_GENERATED_SOURCE_FILE}
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COMMAND yacc
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COMMAND bison
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ARGS -Wno-yacc -Wcounterexamples -d -o ${YACC_GENERATED_SOURCE_FILE} ${YACC_SOURCE_FILE}
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COMMENT "generate C source file for parser"
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VERBATIM)
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@ -33,8 +33,8 @@ void AST_init() {
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DEBUG("initializing global syntax tree...");
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INFO("filling lookup table...");
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lookup_table[AST_Stmt] = "stmt";
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lookup_table[AST_Module] = "module";
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lookup_table[AST_Expr] = "expr";
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lookup_table[AST_Add] = "+";
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@ -69,9 +69,20 @@ void AST_init() {
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lookup_table[AST_Box] = "box";
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lookup_table[AST_Fun] = "fun";
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lookup_table[AST_Call] = "funcall";
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lookup_table[AST_Typecast] = "cast";
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lookup_table[AST_Transmute] = "as";
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lookup_table[AST_Condition] = "condition";
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lookup_table[AST_List] = "list";
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lookup_table[AST_ExprList] = "expr list";
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lookup_table[AST_ArgList] = "arg list";
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lookup_table[AST_ParamList] = "param list";
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lookup_table[AST_StmtList] = "stmt list";
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lookup_table[AST_IdentList] = "ident list";
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lookup_table[AST_Type] = "type";
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lookup_table[AST_Negate] = "-";
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lookup_table[AST_Parameter] = "parameter";
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lookup_table[AST_ParamDecl] = "parameter-declaration";
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}
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const char* AST_node_to_string(const struct AST_Node_t* node) {
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@ -87,7 +98,11 @@ const char* AST_node_to_string(const struct AST_Node_t* node) {
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case AST_Ident:
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case AST_Macro:
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case AST_Import:
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case AST_Call:
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case AST_Storage:
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case AST_Typekind:
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case AST_Sign:
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case AST_Scale:
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case AST_Qualifyier:
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string = node->value;
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break;
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default:
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@ -12,6 +12,7 @@
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*/
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enum AST_SyntaxElement_t {
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AST_Stmt = 0,
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AST_Module,
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AST_Expr,
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// Literals
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AST_Int,
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@ -58,7 +59,22 @@ enum AST_SyntaxElement_t {
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AST_Fun,
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AST_Import,
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// amount of variants
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// in this enum
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// in this enums
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AST_List,
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AST_ExprList,
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AST_ArgList,
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AST_ParamList,
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AST_StmtList,
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AST_IdentList,
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AST_Storage,
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AST_Type,
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AST_Typekind,
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AST_Sign,
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AST_Scale,
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AST_Negate,
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AST_Parameter,
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AST_Qualifyier,
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AST_ParamDecl,
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AST_ELEMENT_COUNT
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};
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@ -91,8 +91,17 @@
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[0-9]+ {DEBUG("\"%s\" tokenized with \'ValInt\'", yytext); yylval.string = strdup(yytext); return(ValInt); };
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[0-9]*\.[0-9]+ {DEBUG("\"%s\" tokenized with \'ValFloat\'", yytext); yylval.string = strdup(yytext); return(ValFloat);};
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[a-zA-Z_0-9]+ {DEBUG("\"%s\" tokenized with \'Ident\'", yytext); yylval.string = strdup(yytext); return(Ident); };
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\"([^\"\n])*\" {DEBUG("\"%s\" tokenized with \'ValStr\'", yytext); yylval.string = strdup(yytext); return(ValStr);};
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\"\"\"([^\"\n]|\\\n)*\"\"\" {DEBUG("\"%s\" tokenized with \'ValMultistr\'", yytext); yylval.string = strdup(yytext); return(ValMultistr);};
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\"([^\"\n])*\" {
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yytext = yytext +1;
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yytext[yyleng - 2] = 0;
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DEBUG("\"%s\" tokenized with \'ValStr\'", yytext); yylval.string = strdup(yytext); return(ValStr);};
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\"\"\"([^\"\n]|\\\n)*\"\"\" {
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yytext = yytext +3;
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yytext[yyleng - 4] = 0;
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DEBUG("\"%s\" tokenized with \'ValMultistr\'", yytext); yylval.string = strdup(yytext); return(ValMultistr);};
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[ \r\t] { /* ignore whitespace */ };
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. { return yytext[0]; /* passthrough unknown token, let parser handle the error */ };
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%%
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@ -7,6 +7,9 @@
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#define LOG_LEVEL LOG_LEVEL_DEBUG
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extern FILE *yyin;
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AST_NODE_PTR root;
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/**
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* @brief Log a debug message to inform about beginning exit procedures
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*
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@ -69,7 +72,12 @@ int main(int argc, char *argv[]) {
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}
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yyin = file;
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root = AST_new_node(AST_Module, NULL);
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yyparse();
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FILE *output = fopen("test.txt", "w");
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AST_fprint_graphviz(output, root);
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fclose(output);
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AST_delete_node(root);
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return 0;
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}
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@ -1,9 +1,12 @@
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%locations
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%define parse.error verbose
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%{
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%code requires {
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#include <sys/log.h>
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#include <ast/ast.h>
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#include <sys/col.h>
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extern int yylineno;
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int yyerror(const char*);
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@ -11,12 +14,58 @@
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extern int yylineno;
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extern int yylex();
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%}
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extern AST_NODE_PTR root;
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}
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%union {
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char *string;
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AST_NODE_PTR node_ptr;
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}
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%type <node_ptr> operation
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%type <node_ptr> boxaccess
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%type <node_ptr> boxselfaccess
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%type <node_ptr> statement
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%type <node_ptr> statementlist
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%type <node_ptr> assign
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%type <node_ptr> oparith
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%type <node_ptr> decl
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%type <node_ptr> definition
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%type <node_ptr> while
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%type <node_ptr> funcall
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%type <node_ptr> boxcall
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%type <node_ptr> branchhalf
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%type <node_ptr> branchfull
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%type <node_ptr> branchelse
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%type <node_ptr> branchelseif
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%type <node_ptr> branchif
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%type <node_ptr> type
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%type <node_ptr> identlist
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%type <node_ptr> storagequalifier
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%type <node_ptr> typekind
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%type <node_ptr> scale
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%type <node_ptr> sign
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%type <node_ptr> expr
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%type <node_ptr> oplogic
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%type <node_ptr> opbool
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%type <node_ptr> opbit
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%type <node_ptr> moduleimport
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%type <node_ptr> programbody
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%type <node_ptr> fundef
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%type <node_ptr> box
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%type <node_ptr> typedef
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%type <node_ptr> exprlist
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%type <node_ptr> argumentlist
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%type <node_ptr> paramlist
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%type <node_ptr> params
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%type <node_ptr> IOqualifyier
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%type <node_ptr> paramdecl
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%type <node_ptr> boxbody
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%type <node_ptr> boxcontent
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%type <node_ptr> program
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%token KeyInt
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%token KeyFloat
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%token KeySelf
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@ -64,169 +113,388 @@
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%token Invalid
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/* Operator associativity */
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/* Operators at lower line number have lower precedence */
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/* Operators in same line have same precedence */
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%right '='
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%left '+' '-' '*' '/'
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%left OpEquals OpNot '<' '>'
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%left OpAnd OpOr OpXor
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%left OpBitand OpBitor OpBitxor OpBitnot
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%left OpOr
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%left OpXor
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%left OpAnd
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%left OpBitor
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%left OpBitxor
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%left OpBitand
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%left OpEquals '<' '>'
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%left '+' '-'
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%left '*' '/'
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%left OpNot OpBitnot
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%%
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program: program programbody
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| programbody;
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program: program programbody {AST_push_node(root, $2);}
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| programbody {AST_push_node(root, $1);};
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programbody: moduleimport
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| fundef
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| box
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| definition
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| decl
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| typedef;
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programbody: moduleimport {$$ = $1;}
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| fundef{$$ = $1;}
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| box{$$ = $1;}
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| definition{$$ = $1;}
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| decl{$$ = $1;}
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| typedef{$$ = $1;};
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expr: ValFloat
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| ValInt
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| ValMultistr
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| ValStr
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| Ident
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| operation
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| boxaccess
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| boxselfaccess;
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expr: ValFloat {$$ = AST_new_node(AST_Float, $1);}
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| ValInt {$$ = AST_new_node(AST_Int, $1);}
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| ValMultistr {$$ = AST_new_node(AST_String, $1);}
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| ValStr {$$ = AST_new_node(AST_String, $1);}
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| Ident {$$ = AST_new_node(AST_Ident, $1);}
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| operation {$$ = $1;}
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| boxaccess {$$ = $1;}
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| boxselfaccess{$$ = $1;};
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exprlist: expr ',' exprlist
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| expr;
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exprlist: expr ',' exprlist {AST_push_node($3, $1);
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$$ = $3;}
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| expr {AST_NODE_PTR list = AST_new_node(AST_ExprList, NULL);
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AST_push_node(list, $1);
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$$ = list;};
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argumentlist: argumentlist '(' exprlist ')'
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| ;
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argumentlist: argumentlist '(' exprlist ')' {AST_push_node($1, $3);
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$$ = $1;}
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| '(' exprlist ')'{AST_NODE_PTR list = AST_new_node(AST_ArgList, NULL);
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AST_push_node(list, $2);
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$$ = list;}
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| argumentlist '(' ')'
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| '(' ')'{AST_NODE_PTR list = AST_new_node(AST_ArgList, NULL);
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$$ = list;};
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fundef: KeyFun Ident paramlist '{' statementlist'}' { DEBUG("Function");};
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fundef: KeyFun Ident paramlist '{' statementlist'}' {AST_NODE_PTR fun = AST_new_node(AST_Fun, NULL);
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AST_NODE_PTR ident = AST_new_node(AST_Ident, $2);
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AST_push_node(fun, ident);
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AST_push_node(fun, $3);
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AST_push_node(fun, $5);
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$$ = fun;
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DEBUG("Function");};
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paramlist: paramlist '(' params ')'
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| paramlist '(' ')'
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| '(' params ')'
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| '(' ')';
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paramlist: paramlist '(' params ')' {AST_push_node($1, $3);
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$$ = $1;}
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| paramlist '(' ')'{$$ = $1;}
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| '(' params ')' {AST_NODE_PTR list = AST_new_node(AST_List, NULL);
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AST_push_node(list, $2);
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$$ = list;}
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| '(' ')' {$$ = AST_new_node(AST_List, NULL);};
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params: IOqualifyier paramdecl ',' params
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| IOqualifyier paramdecl;
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params: IOqualifyier paramdecl ',' params {AST_NODE_PTR parameter = AST_new_node(AST_Parameter, NULL);
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AST_push_node(parameter, $1);
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AST_push_node(parameter, $2);
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AST_push_node($4, parameter);
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$$ = $4;}
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| IOqualifyier paramdecl {AST_NODE_PTR list = AST_new_node(AST_ParamList, NULL);
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AST_NODE_PTR parameter = AST_new_node(AST_Parameter, NULL);
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AST_push_node(parameter, $1);
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AST_push_node(parameter, $2);
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AST_push_node(list, parameter);
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$$ = list;};
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IOqualifyier: KeyIn
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| KeyOut
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| KeyIn KeyOut
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| KeyOut KeyIn
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| ;
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IOqualifyier: KeyIn { AST_NODE_PTR in = AST_new_node(AST_Qualifyier, "in");
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AST_NODE_PTR list = AST_new_node(AST_List, NULL);
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AST_push_node(list, in);
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$$ = list;}
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| KeyOut{ AST_NODE_PTR out = AST_new_node(AST_Qualifyier, "out");
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AST_NODE_PTR list = AST_new_node(AST_List, NULL);
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AST_push_node(list, out);
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$$ = list;}
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| KeyIn KeyOut{ AST_NODE_PTR in = AST_new_node(AST_Qualifyier, "in");
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AST_NODE_PTR out = AST_new_node(AST_Qualifyier, "out");
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AST_NODE_PTR list = AST_new_node(AST_List, NULL);
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AST_push_node(list, in);
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AST_push_node(list, out);
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$$ = list;}
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| KeyOut KeyIn{ AST_NODE_PTR in = AST_new_node(AST_Qualifyier, "in");
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AST_NODE_PTR out = AST_new_node(AST_Qualifyier, "out");
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AST_NODE_PTR list = AST_new_node(AST_List, NULL);
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AST_push_node(list, in);
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AST_push_node(list, out);
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$$ = list;}
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| {$$ = AST_new_node(AST_List, NULL);};
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paramdecl: type ':' Ident { DEBUG("Param-Declaration"); };
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paramdecl: type ':' Ident { AST_NODE_PTR paramdecl = AST_new_node(AST_ParamDecl, NULL);
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AST_push_node(paramdecl, $1);
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AST_NODE_PTR ident = AST_new_node(AST_Ident, $3);
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AST_push_node(paramdecl, ident);
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$$ = paramdecl;
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DEBUG("Param-Declaration"); };
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box: KeyType KeyBox ':' Ident '{' boxbody '}' { DEBUG("Box"); }
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| KeyType KeyBox ':' Ident '{' '}';
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box: KeyType KeyBox ':' Ident '{' boxbody '}' {AST_NODE_PTR box = AST_new_node(AST_Box, NULL);
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AST_NODE_PTR ident = AST_new_node(AST_Ident, $4);
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AST_push_node(box, ident);
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AST_push_node(box, $6);
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$$ = box;
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DEBUG("Box"); }
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| KeyType KeyBox ':' Ident '{' '}' {AST_NODE_PTR box = AST_new_node(AST_Box, NULL);
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AST_NODE_PTR ident = AST_new_node(AST_Ident, $4);
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AST_push_node(box, ident);
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$$ = box;};
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boxbody: boxbody boxcontent
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| boxcontent;
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boxbody: boxbody boxcontent {AST_push_node($1, $2);
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$$ = $1;}
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| boxcontent {AST_NODE_PTR list = AST_new_node(AST_List, NULL);
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AST_push_node(list, $1);
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$$ = list;};
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boxcontent: decl { DEBUG("Box decl Content"); }
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| definition { DEBUG("Box def Content"); }
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| fundef { DEBUG("Box fun Content"); };
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boxcontent: decl { $$ = $1;DEBUG("Box decl Content"); }
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| definition { $$ = $1;DEBUG("Box def Content"); }
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| fundef { $$ = $1;DEBUG("Box fun Content"); };
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boxselfaccess: KeySelf '.' Ident
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| KeySelf '.' boxaccess;
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boxselfaccess: KeySelf '.' Ident {AST_NODE_PTR boxselfaccess = AST_new_node(AST_List, NULL);
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AST_NODE_PTR self = AST_new_node(AST_Ident, "self");
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AST_push_node(boxselfaccess, self);
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AST_NODE_PTR identlist = AST_new_node(AST_IdentList, NULL);
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AST_NODE_PTR ident = AST_new_node(AST_Ident, $3);
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AST_push_node(identlist,ident);
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AST_push_node(boxselfaccess, identlist);
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$$ = boxselfaccess;}
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| KeySelf '.' boxaccess {AST_NODE_PTR boxselfaccess = AST_new_node(AST_List, NULL);
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AST_NODE_PTR self = AST_new_node(AST_Ident, "self");
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AST_push_node(boxselfaccess, self);
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AST_push_node(boxselfaccess, $3);
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$$ = boxselfaccess;};
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boxaccess: Ident '.' Ident
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| Ident '.' boxaccess;
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boxaccess: Ident '.' Ident {AST_NODE_PTR identlist = AST_new_node(AST_IdentList, NULL);
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AST_NODE_PTR ident1 = AST_new_node(AST_Ident, $1);
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AST_NODE_PTR ident2 = AST_new_node(AST_Ident, $3);
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AST_push_node(identlist,ident1);
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AST_push_node(identlist,ident2);
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$$ = identlist;}
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| Ident '.' boxaccess {AST_NODE_PTR ident = AST_new_node(AST_Ident, $1);
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AST_push_node($3,ident);
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$$ = $3;};
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boxcall: boxaccess argumentlist
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| boxselfaccess argumentlist;
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boxcall: boxaccess argumentlist {AST_NODE_PTR boxcall = AST_new_node(AST_Call, NULL);
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AST_push_node(boxcall, $1);
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AST_push_node(boxcall, $2);
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$$ = boxcall;}
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| boxselfaccess argumentlist {AST_NODE_PTR boxcall = AST_new_node(AST_Call, NULL);
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AST_push_node(boxcall, $1);
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AST_push_node(boxcall, $2);
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$$ = boxcall;};
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funcall: Ident argumentlist { DEBUG("Function call"); };
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funcall: Ident argumentlist {AST_NODE_PTR funcall = AST_new_node(AST_Call, NULL);
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AST_NODE_PTR ident = AST_new_node(AST_Ident, $1);
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AST_push_node(funcall, ident);
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AST_push_node(funcall, $2);
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$$ = funcall;
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DEBUG("Function call"); };
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|
||||
moduleimport: KeyImport ValStr { DEBUG("Module-Import"); };
|
||||
moduleimport: KeyImport ValStr {$$ = AST_new_node(AST_Import, $2);
|
||||
DEBUG("Module-Import"); };
|
||||
|
||||
statementlist: statement statementlist
|
||||
| statement;
|
||||
statementlist: statementlist statement {AST_push_node($1, $2);
|
||||
$$ = $1;}
|
||||
| statement {AST_NODE_PTR list = AST_new_node(AST_StmtList, NULL);
|
||||
AST_push_node(list, $1);
|
||||
$$ = list;};
|
||||
|
||||
statement: assign
|
||||
| decl
|
||||
| definition
|
||||
| while
|
||||
| branch
|
||||
| funcall
|
||||
| boxcall;
|
||||
statement: assign {$$ = $1;}
|
||||
| decl {$$ = $1;}
|
||||
| definition {$$ = $1;}
|
||||
| while {$$ = $1;}
|
||||
| branchfull {$$ = $1;}
|
||||
| funcall {$$ = $1;}
|
||||
| boxcall{$$ = $1;};
|
||||
|
||||
branchif: KeyIf expr '{' statementlist '}' { DEBUG("if"); };
|
||||
branchelse: KeyElse '{' statementlist '}' { DEBUG("if-else"); };
|
||||
branchelseif: KeyElse KeyIf expr '{' statementlist '}' { DEBUG("else-if"); };
|
||||
branchif: KeyIf expr '{' statementlist '}' { AST_NODE_PTR branch = AST_new_node(AST_If, NULL);
|
||||
AST_push_node(branch, $2);
|
||||
AST_push_node(branch, $4);
|
||||
$$ = branch; };
|
||||
|
||||
branchelseifs: branchelseifs branchelseif
|
||||
| branchelseif;
|
||||
branchelse: KeyElse '{' statementlist '}' { AST_NODE_PTR branch = AST_new_node(AST_Else, NULL);
|
||||
AST_push_node(branch, $3);
|
||||
$$ = branch; };
|
||||
|
||||
branch: branchif branchelseifs
|
||||
| branchif branchelseifs branchelse;
|
||||
branchelseif: KeyElse KeyIf expr '{' statementlist '}' { AST_NODE_PTR branch = AST_new_node(AST_IfElse, NULL);
|
||||
AST_push_node(branch, $3);
|
||||
AST_push_node(branch, $5);
|
||||
$$ = branch; };
|
||||
|
||||
while: KeyWhile expr '{' statementlist '}' { DEBUG("while"); };
|
||||
|
||||
identlist: Ident ',' identlist
|
||||
| Ident;
|
||||
|
||||
decl: type ':' identlist
|
||||
| storagequalifier type ':' identlist
|
||||
branchfull: branchhalf { $$ = $1;};
|
||||
|branchhalf branchelse { AST_push_node($1 , $2);
|
||||
$$ = $1; }
|
||||
branchhalf: branchif { AST_NODE_PTR branch = AST_new_node(AST_Stmt, NULL);
|
||||
AST_push_node(branch, $1);
|
||||
$$ = branch; }
|
||||
| branchhalf branchelseif { AST_push_node($1 , $2);
|
||||
$$ = $1; };
|
||||
|
||||
|
||||
definition: decl '=' expr { DEBUG("Definition"); };
|
||||
while: KeyWhile expr '{' statementlist '}' {AST_NODE_PTR whilenode = AST_new_node(AST_While, NULL);
|
||||
AST_push_node(whilenode, $2);
|
||||
AST_push_node(whilenode, $4);
|
||||
$$ = whilenode;};
|
||||
|
||||
storagequalifier: KeyGlobal
|
||||
| KeyStatic
|
||||
| KeyLocal;
|
||||
identlist: Ident ',' identlist {AST_NODE_PTR ident = AST_new_node(AST_Ident, $1);
|
||||
AST_push_node($3, ident);
|
||||
$$ = $3;}
|
||||
| Ident {AST_NODE_PTR list = AST_new_node(AST_IdentList, NULL);
|
||||
AST_NODE_PTR ident = AST_new_node(AST_Ident, $1);
|
||||
AST_push_node(list, ident);
|
||||
$$ = list;};
|
||||
|
||||
assign: Ident '=' expr { DEBUG("Assignment"); }
|
||||
decl: type ':' identlist {AST_NODE_PTR decl = AST_new_node(AST_Decl, NULL);
|
||||
AST_push_node(decl, $1);
|
||||
AST_push_node(decl, $3);
|
||||
$$ = decl;}
|
||||
| storagequalifier type ':' identlist {AST_NODE_PTR decl = AST_new_node(AST_Decl, NULL);
|
||||
AST_push_node(decl, $1);
|
||||
AST_push_node(decl, $2);
|
||||
AST_push_node(decl, $4);
|
||||
$$ = decl;}
|
||||
|
||||
|
||||
definition: decl '=' expr { AST_NODE_PTR def = AST_new_node(AST_Def, NULL);
|
||||
AST_push_node(def, $1);
|
||||
AST_push_node(def, $3);
|
||||
$$ = def;
|
||||
DEBUG("Definition"); };
|
||||
|
||||
storagequalifier: KeyGlobal {$$ = AST_new_node(AST_Storage, "global");}
|
||||
| KeyStatic {$$ = AST_new_node(AST_Storage, "static");}
|
||||
| KeyLocal {$$ = AST_new_node(AST_Storage, "local");};
|
||||
|
||||
assign: Ident '=' expr { AST_NODE_PTR assign = AST_new_node(AST_Assign, NULL);
|
||||
AST_NODE_PTR ident = AST_new_node(AST_Ident, $1);
|
||||
AST_push_node(assign, ident);
|
||||
AST_push_node(assign, $3);
|
||||
$$ = assign;
|
||||
DEBUG("Assignment"); }
|
||||
| boxaccess '=' expr
|
||||
| boxselfaccess '=' expr ;
|
||||
|
||||
sign: KeySigned
|
||||
| KeyUnsigned;
|
||||
sign: KeySigned {$$ = AST_new_node(AST_Sign, "signed");}
|
||||
| KeyUnsigned{$$ = AST_new_node(AST_Sign, "unsigned");};
|
||||
|
||||
typedef: KeyType type':' Ident;
|
||||
typedef: KeyType type':' Ident {AST_NODE_PTR typeDef = AST_new_node(AST_Typedef, NULL);
|
||||
AST_push_node(typeDef, $2);
|
||||
AST_NODE_PTR ident = AST_new_node(AST_Ident, $4);
|
||||
AST_push_node(typeDef, ident);
|
||||
$$ = typeDef;};
|
||||
|
||||
scale: scale KeyShort
|
||||
| scale KeyHalf
|
||||
| scale KeyLong
|
||||
| scale KeyDouble
|
||||
| KeyShort
|
||||
| KeyHalf
|
||||
| KeyLong
|
||||
| KeyDouble;
|
||||
scale: scale KeyShort {AST_NODE_PTR shortnode = AST_new_node(AST_Scale, "short");
|
||||
AST_push_node($1, shortnode);
|
||||
$$ = $1;}
|
||||
| scale KeyHalf {AST_NODE_PTR shortnode = AST_new_node(AST_Scale, "half");
|
||||
AST_push_node($1, shortnode);
|
||||
$$ = $1;}
|
||||
| scale KeyLong {AST_NODE_PTR shortnode = AST_new_node(AST_Scale, "long");
|
||||
AST_push_node($1, shortnode);
|
||||
$$ = $1;}
|
||||
| scale KeyDouble {AST_NODE_PTR shortnode = AST_new_node(AST_Scale, "double");
|
||||
AST_push_node($1, shortnode);
|
||||
$$ = $1;}
|
||||
| KeyShort {AST_NODE_PTR scale = AST_new_node(AST_List, NULL);
|
||||
AST_NODE_PTR shortnode = AST_new_node(AST_Scale, "short");
|
||||
AST_push_node(scale, shortnode);
|
||||
$$ = scale;}
|
||||
| KeyHalf {AST_NODE_PTR scale = AST_new_node(AST_List, NULL);
|
||||
AST_NODE_PTR shortnode = AST_new_node(AST_Scale, "half");
|
||||
AST_push_node(scale, shortnode);
|
||||
$$ = scale;}
|
||||
| KeyLong {AST_NODE_PTR scale = AST_new_node(AST_List, NULL);
|
||||
AST_NODE_PTR shortnode = AST_new_node(AST_Scale, "long");
|
||||
AST_push_node(scale, shortnode);
|
||||
$$ = scale;}
|
||||
| KeyDouble {AST_NODE_PTR scale = AST_new_node(AST_List, NULL);
|
||||
AST_NODE_PTR shortnode = AST_new_node(AST_Scale, "double");
|
||||
AST_push_node(scale, shortnode);
|
||||
$$ = scale;};
|
||||
|
||||
typekind: Ident
|
||||
| KeyInt
|
||||
| KeyFloat;
|
||||
typekind: Ident {$$ = AST_new_node(AST_Typekind, $1);}
|
||||
| KeyInt {$$ = AST_new_node(AST_Typekind, "int");}
|
||||
| KeyFloat {$$ = AST_new_node(AST_Typekind, "float");};
|
||||
|
||||
type: typekind
|
||||
| scale typekind
|
||||
| sign typekind
|
||||
| sign scale typekind;
|
||||
type: typekind {AST_NODE_PTR type = AST_new_node(AST_Type, NULL);
|
||||
AST_push_node(type, $1);
|
||||
$$ = type;}
|
||||
| scale typekind {AST_NODE_PTR type = AST_new_node(AST_Type, NULL);
|
||||
AST_push_node(type, $1);
|
||||
AST_push_node(type, $2);
|
||||
$$ = type;}
|
||||
| sign typekind {AST_NODE_PTR type = AST_new_node(AST_Type, NULL);
|
||||
AST_push_node(type, $1);
|
||||
AST_push_node(type, $2);
|
||||
$$ = type;}
|
||||
| sign scale typekind {AST_NODE_PTR type = AST_new_node(AST_Type, NULL);
|
||||
AST_push_node(type, $1);
|
||||
AST_push_node(type, $2);
|
||||
AST_push_node(type, $3);
|
||||
$$ = type;};
|
||||
|
||||
operation: oparith
|
||||
| oplogic
|
||||
| opbool
|
||||
| opbit;
|
||||
operation: oparith {$$ = $1;}
|
||||
| oplogic {$$ = $1;}
|
||||
| opbool {$$ = $1;}
|
||||
| opbit {$$ = $1;};
|
||||
|
||||
oparith: expr '+' expr
|
||||
| expr '-' expr
|
||||
| expr '*' expr
|
||||
| expr '/' expr
|
||||
| '-' expr %prec '*';
|
||||
oparith: expr '+' expr {AST_NODE_PTR add = AST_new_node(AST_Add, NULL);
|
||||
AST_push_node(add, $1);
|
||||
AST_push_node(add, $3);
|
||||
$$ = add;}
|
||||
| expr '-' expr {AST_NODE_PTR subtract = AST_new_node(AST_Sub, NULL);
|
||||
AST_push_node(subtract, $1);
|
||||
AST_push_node(subtract, $3);
|
||||
$$ = subtract;}
|
||||
| expr '*' expr {AST_NODE_PTR mul = AST_new_node(AST_Mul, NULL);
|
||||
AST_push_node(mul, $1);
|
||||
AST_push_node(mul, $3);
|
||||
$$ = mul;}
|
||||
| expr '/' expr {AST_NODE_PTR div = AST_new_node(AST_Div, NULL);
|
||||
AST_push_node(div, $1);
|
||||
AST_push_node(div, $3);
|
||||
$$ = div;}
|
||||
| '-' expr %prec '*'{AST_NODE_PTR negator = AST_new_node(AST_Negate, NULL);
|
||||
AST_push_node(negator, $2);
|
||||
$$ = negator;};
|
||||
|
||||
oplogic: expr OpEquals expr
|
||||
| expr '<' expr
|
||||
| expr '>' expr;
|
||||
oplogic: expr OpEquals expr {AST_NODE_PTR equals = AST_new_node(AST_Eq, NULL);
|
||||
AST_push_node(equals, $1);
|
||||
AST_push_node(equals, $3);
|
||||
$$ = equals;}
|
||||
| expr '<' expr {AST_NODE_PTR less = AST_new_node(AST_Less, NULL);
|
||||
AST_push_node(less, $1);
|
||||
AST_push_node(less, $3);
|
||||
$$ = less;}
|
||||
| expr '>' expr{AST_NODE_PTR greater = AST_new_node(AST_Greater, NULL);
|
||||
AST_push_node(greater, $1);
|
||||
AST_push_node(greater, $3);
|
||||
$$ = greater;};
|
||||
|
||||
opbool: expr OpAnd expr
|
||||
| expr OpOr expr
|
||||
| expr OpXor expr
|
||||
| OpNot expr %prec OpAnd;
|
||||
opbool: expr OpAnd expr {AST_NODE_PTR and = AST_new_node(AST_BoolAnd, NULL);
|
||||
AST_push_node(and, $1);
|
||||
AST_push_node(and, $3);
|
||||
$$ = and;}
|
||||
| expr OpOr expr{AST_NODE_PTR or = AST_new_node(AST_BoolOr, NULL);
|
||||
AST_push_node(or, $1);
|
||||
AST_push_node(or, $3);
|
||||
$$ = or;}
|
||||
| expr OpXor expr{AST_NODE_PTR xor = AST_new_node(AST_BoolXor, NULL);
|
||||
AST_push_node(xor, $1);
|
||||
AST_push_node(xor, $3);
|
||||
$$ = xor;}
|
||||
| OpNot expr %prec OpAnd{AST_NODE_PTR not = AST_new_node(AST_BoolNot, NULL);
|
||||
AST_push_node(not, $2);
|
||||
$$ = not;};
|
||||
|
||||
opbit: expr OpBitand expr
|
||||
| expr OpBitor expr
|
||||
| expr OpBitxor expr
|
||||
| OpBitnot expr %prec OpBitand;
|
||||
opbit: expr OpBitand expr {AST_NODE_PTR and = AST_new_node(AST_BitAnd, NULL);
|
||||
AST_push_node(and, $1);
|
||||
AST_push_node(and, $3);
|
||||
$$ = and;}
|
||||
| expr OpBitor expr{AST_NODE_PTR or = AST_new_node(AST_BitOr, NULL);
|
||||
AST_push_node(or, $1);
|
||||
AST_push_node(or, $3);
|
||||
$$ = or;}
|
||||
| expr OpBitxor expr{AST_NODE_PTR xor = AST_new_node(AST_BitXor, NULL);
|
||||
AST_push_node(xor, $1);
|
||||
AST_push_node(xor, $3);
|
||||
$$ = xor;}
|
||||
| OpBitnot expr %prec OpBitand{AST_NODE_PTR not = AST_new_node(AST_BitNot, NULL);
|
||||
AST_push_node(not, $2);
|
||||
$$ = not;};
|
||||
%%
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -29,42 +29,58 @@ def run_check_print_node():
|
|||
assert p.returncode == 0
|
||||
|
||||
assert """0 stmt
|
||||
1 expr
|
||||
2 value
|
||||
1 module
|
||||
2 expr
|
||||
3 value
|
||||
4 value
|
||||
5 while
|
||||
6 if
|
||||
7 else if
|
||||
8 else
|
||||
9 condition
|
||||
10 decl
|
||||
11 assign
|
||||
12 def
|
||||
13 value
|
||||
14 +
|
||||
15 -
|
||||
16 *
|
||||
17 /
|
||||
18 &
|
||||
19 |
|
||||
20 ^
|
||||
21 !
|
||||
22 &&
|
||||
23 ||
|
||||
24 ^^
|
||||
25 !!
|
||||
26 ==
|
||||
27 >
|
||||
28 <
|
||||
29 cast
|
||||
30 as
|
||||
31 value
|
||||
32 value
|
||||
33 typedef
|
||||
34 box
|
||||
35 fun
|
||||
36 value
|
||||
5 value
|
||||
6 while
|
||||
7 if
|
||||
8 else if
|
||||
9 else
|
||||
10 condition
|
||||
11 decl
|
||||
12 assign
|
||||
13 def
|
||||
14 value
|
||||
15 +
|
||||
16 -
|
||||
17 *
|
||||
18 /
|
||||
19 &
|
||||
20 |
|
||||
21 ^
|
||||
22 !
|
||||
23 &&
|
||||
24 ||
|
||||
25 ^^
|
||||
26 !!
|
||||
27 ==
|
||||
28 >
|
||||
29 <
|
||||
30 cast
|
||||
31 as
|
||||
32 funcall
|
||||
33 value
|
||||
34 typedef
|
||||
35 box
|
||||
36 fun
|
||||
37 value
|
||||
38 list
|
||||
39 expr list
|
||||
40 arg list
|
||||
41 param list
|
||||
42 stmt list
|
||||
43 ident list
|
||||
44 value
|
||||
45 type
|
||||
46 value
|
||||
47 value
|
||||
48 value
|
||||
49 -
|
||||
50 parameter
|
||||
51 value
|
||||
52 parameter-declaration
|
||||
""" == p.stdout
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue