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Nasal-Interpreter
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update

This commit is contained in:
Valk Richard Li 2020-12-04 00:15:02 +08:00
parent 2bb0f0bf47
commit 1d941354ca
1 changed files with 21 additions and 0 deletions
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21
nasal_codegen.h
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@ -13,6 +13,7 @@ enum op_code
op_pushstr,
op_newvec,op_newhash,op_newfunc,
op_vecapp,op_hashapp,
op_newscope,op_delscope,
op_para,op_defpara,op_dynpara,op_entry,
op_unot,op_usub,
op_add,op_sub,op_mul,op_div,op_lnk,
@ -46,6 +47,8 @@ struct
{op_newfunc, "newf "},
{op_vecapp, "vapp "},
{op_hashapp, "happ "},
{op_newscope, "nscp "},
{op_delscope, "dscp "},
{op_para, "para "},
{op_defpara, "deflt "},
{op_dynpara, "dyn "},
@ -365,11 +368,27 @@ void nasal_codegen::multi_assignment_gen(nasal_ast& ast)
void nasal_codegen::conditional_gen(nasal_ast& ast)
{
opcode op;
op.op=op_newscope;
op.index=0;
exec_code.push_back(op);
// unfinished
op.op=op_delscope;
op.index=0;
exec_code.push_back(op);
return;
}
void nasal_codegen::loop_gen(nasal_ast& ast)
{
opcode op;
op.op=op_newscope;
op.index=0;
exec_code.push_back(op);
// unfinished
op.op=op_delscope;
op.index=0;
exec_code.push_back(op);
return;
}
@ -393,6 +412,8 @@ void nasal_codegen::calculation_gen(nasal_ast& ast)
case ast_mult_equal:
case ast_div_equal:
case ast_link_equal:break;
case ast_or:
case ast_and:break;
case ast_add:
op.op=op_add;
calculation_gen(ast.get_children()[0]);