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add new option -op & --optimize to use optimizer | delete bytecode op_pone & op_pzero

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ValKmjolnir
2022-01-22 13:37:49 +08:00
parent 40344455e6
commit c68b4c5947
4 changed files with 57 additions and 72 deletions
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nasal_codegen.h
+6 -12
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@@ -10,8 +10,6 @@ enum op_code
op_loadl, // load local value
op_loadu, // load upvalue
op_pnum, // push constant number to the stack
op_pone, // push 1 to the stack
op_pzero, // push 0 to the stack
op_pnil, // push constant nil to the stack
op_pstr, // push constant string to the stack
op_newv, // push new vector with initial values from stack
@@ -96,8 +94,6 @@ struct
{op_loadl, "loadl "},
{op_loadu, "loadu "},
{op_pnum, "pnum "},
{op_pone, "pone "},
{op_pzero, "pzero "},
{op_pnil, "pnil "},
{op_pstr, "pstr "},
{op_newv, "newv "},
@@ -363,13 +359,8 @@ void nasal_codegen::gen(uint8_t op,uint32_t num,uint32_t line)
void nasal_codegen::num_gen(const nasal_ast& ast)
{
double num=ast.num();
if(num==0)gen(op_pzero,0,ast.line());
else if(num==1)gen(op_pone,0,ast.line());
else
{
regist_number(num);
gen(op_pnum,num_table[num],ast.line());
}
regist_number(num);
gen(op_pnum,num_table[num],ast.line());
}
void nasal_codegen::str_gen(const nasal_ast& ast)
@@ -816,7 +807,7 @@ void nasal_codegen::for_gen(const nasal_ast& ast)
}
int jmp_place=code.size();
if(ast[1].type()==ast_null)
gen(op_pone,0,ast[1].line());
gen(op_pnum,num_table[1],ast[1].line());
else
calc_gen(ast[1]);
int label_exit=code.size();
@@ -1150,6 +1141,9 @@ void nasal_codegen::compile(const nasal_parse& parse,const nasal_import& import)
file=import.get_file().data();
in_iterloop.push(0);
regist_number(0);
regist_number(1);
find_symbol(parse.ast()); // search symbols first
gen(op_intg,global.size(),0);
block_gen(parse.ast()); // generate main block