diff options
Diffstat (limited to 'sci2jsyacc.py')
| -rwxr-xr-x | sci2jsyacc.py | 87 |
1 files changed, 72 insertions, 15 deletions
diff --git a/sci2jsyacc.py b/sci2jsyacc.py index df4634b1..9d466a80 100755 --- a/sci2jsyacc.py +++ b/sci2jsyacc.py @@ -32,24 +32,26 @@ start = 'functionblocks' JOB_BLOCKS = {} +LOCAL_VARS = set() +GLOBAL_VARS = set() + # define functionblocks def p_functionblocks_functionblocks_functionblock(p): 'functionblocks : functionblocks functionblock' p[0] = '%s%s' % (p[1], p[2]) -def p_functionblocks_functionblock(p): - 'functionblocks : EOL functionblock' +def p_functionblocks_jobfunctionblock(p): + 'functionblocks : EOL jobfunctionblock' p[0] = '%s' % (p[2]) # end functionblocks # define functionblock -def p_functionblock_function_job_statementblock_endfunction(p): - '''functionblock : FUNCTION lterm ASSIGNMENT VAR OPENBRACKET JOB COMMA VAR COMMA VAR CLOSEBRACKET EOL statementblock ENDFUNCTION EOL - | FUNCTION lterm ASSIGNMENT FUNCTIONCALL OPENBRACKET JOB COMMA VAR COMMA VAR CLOSEBRACKET EOL statementblock ENDFUNCTION EOL''' - fname = p[4] +def p_jobfunctionblock_jobfunctionstatement_statementblock_endfunction(p): + 'jobfunctionblock : jobfunctionstatement statementblock ENDFUNCTION EOL' + fname = '%s' % (p[1]) indent = ' ' p[0] = ('function %s() {\n' + '%s%s.prototype.define = function %s() {\n%s%s}\n' + @@ -63,9 +65,20 @@ def p_functionblock_function_job_statementblock_endfunction(p): indent, fname, fname, (JOB_BLOCKS['"set"'] if '"set"' in JOB_BLOCKS else ''), indent, ) -def p_functionblock_function_statementblock_endfunction(p): - '''functionblock : FUNCTION lterm ASSIGNMENT VAR OPENBRACKET list CLOSEBRACKET EOL statementblock ENDFUNCTION EOL - | FUNCTION lterm ASSIGNMENT FUNCTIONCALL OPENBRACKET list CLOSEBRACKET EOL statementblock ENDFUNCTION EOL''' +def p_functionblock_functionstatement_statementblock_endfunction(p): + 'functionblock : functionstatement statementblock ENDFUNCTION EOL' + p[0] = '' + +def p_jobfunctionstatement_function(p): + '''jobfunctionstatement : FUNCTION lterm ASSIGNMENT VAR OPENBRACKET JOB COMMA VAR COMMA VAR CLOSEBRACKET EOL + | FUNCTION lterm ASSIGNMENT FUNCTIONCALL OPENBRACKET JOB COMMA VAR COMMA VAR CLOSEBRACKET EOL''' + for var in (p[6], p[8], p[10]): + LOCAL_VARS.add(var) + p[0] = '%s' % (p[4]) + +def p_functionstatement_function(p): + '''functionstatement : FUNCTION lterm ASSIGNMENT VAR OPENBRACKET list CLOSEBRACKET EOL + | FUNCTION lterm ASSIGNMENT FUNCTIONCALL OPENBRACKET list CLOSEBRACKET EOL''' p[0] = '' # end define functionblock @@ -91,6 +104,10 @@ def p_statement_assignment(p): | RETURN EOL''' p[0] = '%s;\n' % (p[1]) +def p_statement_functionblock(p): + 'statement : functionblock' + p[0] = '' + def p_statement_resume(p): 'statement : lterm ASSIGNMENT RESUME OPENBRACKET expression CLOSEBRACKET EOL' p[0] = '%s%s%s(%s)\n' % (p[1], p[2], p[3], p[5]) @@ -231,6 +248,9 @@ def p_forstatement_for_start_step_end(p): else: endop = '>=' stepop = '-=' + if var not in GLOBAL_VARS: + if var not in LOCAL_VARS: + LOCAL_VARS.add(var) p[0] = 'for (%s=%s;%s%s%s;%s%s%s) {\n' % (var, lstart, var, endop, lend, var, stepop, lstep) def p_forstatement_for_start_end(p): @@ -242,12 +262,18 @@ def p_forstatement_for_start_end(p): lend = p[6] endop = '<=' stepop = '+=' + if var not in GLOBAL_VARS: + if var not in LOCAL_VARS: + LOCAL_VARS.add(var) p[0] = 'for (%s=%s;%s%s%s;%s%s%s) {\n' % (var, lstart, var, endop, lend, var, stepop, lstep) def p_forstatement_for_list(p): '''forstatement : FOR VAR ASSIGNMENT VAR EOL | FOR VAR ASSIGNMENT VAR DO EOL''' var = p[2] + if var not in GLOBAL_VARS: + if var not in LOCAL_VARS: + LOCAL_VARS.add(var) p[0] = 'for (%s in %s) {\n' % (var, p[4]) def p_selectstatement_select(p): @@ -502,14 +528,31 @@ def p_ltermvar_ltermvar_dot_in(p): p[0] = '%s.%s1' % (p[1], p[3]) def p_ltermvar_var(p): - '''ltermvar : VAR - | PREVAR''' - p[0] = '%s' % (p[1]) + 'ltermvar : VAR' + var = p[1] + if var not in GLOBAL_VARS: + if var not in LOCAL_VARS: + LOCAL_VARS.add(var) + if var in GLOBAL_VARS: + p[0] = '%s' % (var) + else: + p[0] = '%s' % (var) # in def p_ltermvar_in(p): 'ltermvar : IN' - p[0] = '%s1' % (p[1]) + var = p[1] + '1' + if var not in GLOBAL_VARS: + if var not in LOCAL_VARS: + LOCAL_VARS.add(var) + if var in GLOBAL_VARS: + p[0] = '%s' % (var) + else: + p[0] = '%s' % (var) + +def p_ltermvar_prevar(p): + 'ltermvar : PREVAR' + p[0] = '%s' % (p[1]) # end define lterm @@ -695,12 +738,26 @@ def p_termvar_termvar_dot_in(p): # A def p_termvar_var(p): 'termvar : VAR' - p[0] = '%s' % (p[1]) + var = p[1] + if var not in GLOBAL_VARS: + if var not in LOCAL_VARS: + GLOBAL_VARS.add(var) + if var in GLOBAL_VARS: + p[0] = '%s' % (var) + else: + p[0] = '%s' % (var) # in def p_termvar_in(p): 'termvar : IN' - p[0] = '%s1' % (p[1]) + var = p[1] + '1' + if var not in GLOBAL_VARS: + if var not in LOCAL_VARS: + GLOBAL_VARS.add(var) + if var in GLOBAL_VARS: + p[0] = '%s' % (var) + else: + p[0] = '%s' % (var) # 5 # 3.4 |