diff options
Diffstat (limited to 'sci2jsyacc.py')
| -rwxr-xr-x | sci2jsyacc.py | 99 |
1 files changed, 52 insertions, 47 deletions
diff --git a/sci2jsyacc.py b/sci2jsyacc.py index ccb45980..7e35fa74 100755 --- a/sci2jsyacc.py +++ b/sci2jsyacc.py @@ -18,25 +18,25 @@ precedence = ( start = 'functionblock' -jobblocks = {} +JOB_BLOCKS = {} # define functionblock def p_functionblock_function_statementblock_endfunction(p): 'functionblock : emptystatementblock FUNCTION lterm ASSIGNMENT VAR OPENBRACKET JOB COMMA VAR COMMA VAR CLOSEBRACKET EOL statementblock ENDFUNCTION emptystatementblock' - f = str(p[5]) - p[0] = ('function ' + f + '() {\n' + - f + '.prototype.get = function ' + f + '() {\n' + - (jobblocks['"get"'] if '"get"' in jobblocks else '') + + fname = str(p[5]) + p[0] = ('function ' + fname + '() {\n' + + fname + '.prototype.get = function ' + fname + '() {\n' + + (JOB_BLOCKS['"get"'] if '"get"' in JOB_BLOCKS else '') + '}\n' + - f + '.prototype.set = function ' + f + '() {\n' + - (jobblocks['"set"'] if '"set"' in jobblocks else '') + + fname + '.prototype.set = function ' + fname + '() {\n' + + (JOB_BLOCKS['"set"'] if '"set"' in JOB_BLOCKS else '') + '}\n' + - f + '.prototype.define = function ' + f + '() {\n' + - (jobblocks['"define"'] if '"define"' in jobblocks else '') + + fname + '.prototype.define = function ' + fname + '() {\n' + + (JOB_BLOCKS['"define"'] if '"define"' in JOB_BLOCKS else '') + '}\n' + - f + '.prototype.details = function ' + f + '() {\n' + - (jobblocks['"details"'] if '"details"' in jobblocks else '') + + fname + '.prototype.details = function ' + fname + '() {\n' + + (JOB_BLOCKS['"details"'] if '"details"' in JOB_BLOCKS else '') + '}\n' + '}') @@ -138,12 +138,12 @@ def p_casestatementblock_casestatement(p): def p_casejobstatementblock_casejobstatementblock_casejobstatement(p): 'casejobstatementblock : casejobstatementblock casejobstatement statementblock' - jobblocks[p[2]] = p[3] + JOB_BLOCKS[p[2]] = p[3] p[0] = '' def p_casejobstatementblock_casejobstatement(p): 'casejobstatementblock : casejobstatement statementblock' - jobblocks[p[1]] = p[2] + JOB_BLOCKS[p[1]] = p[2] p[0] = '' def p_whilestatementblock_whilestatement(p): @@ -174,27 +174,27 @@ def p_forstatement_for_start_step_end(p): '''forstatement : FOR VAR ASSIGNMENT expression COLON expression COLON expression EOL | FOR VAR ASSIGNMENT expression COLON expression COLON expression DO EOL''' var = p[2] - start = p[4] - step = int(p[6]) - end = p[8] - if step > 0: + lstart = p[4] + lstep = int(p[6]) + lend = p[8] + if lstep > 0: endop = '<=' stepop = '+=' else: endop = '>=' stepop = '-=' - p[0] = 'for (%s=%s;%s%s%s;%s%s%s) {\n' % (var, start, var, endop, end, var, stepop, step) + 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): '''forstatement : FOR VAR ASSIGNMENT expression COLON expression EOL | FOR VAR ASSIGNMENT expression COLON expression DO EOL''' var = p[2] - start = p[4] - step = 1 - end = p[6] + lstart = p[4] + lstep = 1 + lend = p[6] endop = '<=' stepop = '+=' - p[0] = 'for (%s=%s;%s%s%s;%s%s%s) {\n' % (var, start, var, endop, end, var, stepop, step) + 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 @@ -346,12 +346,12 @@ def p_expression_term_transpose(p): def p_expression_expression_multiplication_expression(p): 'expression : expression MULTIPLICATION expression' if p[2] == '**': - op = '^' + operator = '^' elif p[2] == '\\': - op = '\\' + operator = '\\' else: - op = p[2] - p[0] = str(p[1]) + op + str(p[3]) + operator = p[2] + p[0] = str(p[1]) + operator + str(p[3]) def p_expression_expression_addition_expression(p): 'expression : expression ADDITION expression' @@ -359,19 +359,19 @@ def p_expression_expression_addition_expression(p): def p_expression_expression_comparison_expression(p): 'expression : expression COMPARISON expression' - o = p[2] - if o == '<>' or o == '~=': - o = '!=' - p[0] = str(p[1]) + o + str(p[3]) + operator = p[2] + if operator == '<>' or operator == '~=': + operator = '!=' + p[0] = str(p[1]) + operator + str(p[3]) def p_expression_expression_logical_expression(p): 'expression : expression LOGICAL expression' - o = p[2] - if o == '&': - o = '&&' - elif o == '|': - o = '||' - p[0] = str(p[1]) + o + str(p[3]) + operator = p[2] + if operator == '&': + operator = '&&' + elif operator == '|': + operator = '||' + p[0] = str(p[1]) + operator + str(p[3]) def p_expression_addition_term(p): 'expression : ADDITION expression %prec UNARYADDITION' @@ -419,7 +419,7 @@ def p_lterm_slice(p): def p_lterm_index(p): 'lterm : ltermvar OPENBRACKET expression CLOSEBRACKET' addtoarray(p[1]) - p[0] = str(p[1]) + '[' + str(p[3]) + '-1]' + p[0] = '%s[%s-1]' % (p[1], p[3]) # [A,B,C] def p_lterm_ltermarraylist(p): @@ -477,6 +477,11 @@ def p_term_full_slice_expression(p): 'term : termvar OPENBRACKET COLON COMMA expression CLOSEBRACKET' p[0] = p[1] + '.slice()[' + str(p[5]) + '-1]' +# B(:,1) +def p_term_full_slice_full_slice(p): + 'term : termvar OPENBRACKET COLON COMMA COLON CLOSEBRACKET' + p[0] = p[1] + '.slice().slice()' + # (1:10) def p_term_range(p): 'term : OPENBRACKET expression COLON expression CLOSEBRACKET' @@ -549,7 +554,7 @@ def p_term_prevar_boolean(p): if p[1] == '%t': p[0] = 'true' elif p[1] == '%f': - p[0] == 'false' + p[0] = 'false' # 1+2*%i def p_term_prevar_complex1(p): @@ -617,18 +622,18 @@ def p_term_constant(p): def p_error(p): print("Syntax error in input", p) -arraylist = set() +ARRAY_LIST = set() + +def addtoarray(name): + ARRAY_LIST.add(name) -def addtoarray(s): - global arraylist - arraylist.add(s) +def isarray(name): + return name in ARRAY_LIST -def isarray(s): - global arraylist - return s in arraylist +FUNCTION_LIST = set() -def isfunction(s): - return False +def isfunction(name): + return name in FUNCTION_LIST if __name__ == '__main__': if len(sys.argv) <= 1: |