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/**
* @file combine.cpp
* Labels the chunks as needed.
*
* @author Ben Gardner
* @license GPL v2+
*/
#include "uncrustify_types.h"
#include "chunk_list.h"
#include "ChunkStack.h"
#include "prototypes.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cerrno>
#include "unc_ctype.h"
#include <cassert>
static void fix_fcn_def_params(chunk_t *pc);
static void fix_typedef(chunk_t *pc);
static void fix_enum_struct_union(chunk_t *pc);
static void fix_casts(chunk_t *pc);
static void fix_type_cast(chunk_t *pc);
static chunk_t *fix_var_def(chunk_t *pc);
static void mark_function(chunk_t *pc);
static void mark_struct_union_body(chunk_t *start);
static chunk_t *mark_variable_definition(chunk_t *start);
static void mark_define_expressions(void);
static void process_returns(void);
static chunk_t *process_return(chunk_t *pc);
static void mark_class_ctor(chunk_t *pclass);
static void mark_namespace(chunk_t *pns);
static void mark_function_type(chunk_t *pc);
static void mark_cpp_constructor(chunk_t *pc);
static void mark_lvalue(chunk_t *pc);
static void mark_template_func(chunk_t *pc, chunk_t *pc_next);
static void mark_exec_sql(chunk_t *pc);
static void handle_oc_class(chunk_t *pc);
static void handle_oc_block(chunk_t *pc);
static void handle_oc_message_decl(chunk_t *pc);
static void handle_oc_message_send(chunk_t *pc);
static void handle_cs_square_stmt(chunk_t *pc);
static void handle_cs_property(chunk_t *pc);
static void handle_template(chunk_t *pc);
static void handle_wrap(chunk_t *pc);
static bool is_oc_block(chunk_t *pc);
static void handle_java_assert(chunk_t *pc);
void make_type(chunk_t *pc)
{
if (pc != NULL)
{
if (pc->type == CT_WORD)
{
pc->type = CT_TYPE;
}
else if (chunk_is_star(pc))
{
pc->type = CT_PTR_TYPE;
}
else if (chunk_is_addr(pc))
{
pc->type = CT_BYREF;
}
}
}
void flag_series(chunk_t *start, chunk_t *end, UINT64 flags, chunk_nav_t nav)
{
while ((start != NULL) && (start != end))
{
start->flags |= flags;
start = chunk_get_next(start, nav);
}
if (end)
{
end->flags |= flags;
}
}
/**
* Flags everything from the open paren to the close paren.
*
* @param po Pointer to the open parenthesis
* @return The token after the close paren
*/
static chunk_t *flag_parens(chunk_t *po, UINT64 flags,
c_token_t opentype, c_token_t parenttype,
bool parent_all)
{
chunk_t *paren_close;
chunk_t *pc;
if (is_oc_block(po))
{
return(NULL);
}
paren_close = chunk_skip_to_match(po, CNAV_PREPROC);
if (paren_close == NULL)
{
LOG_FMT(LERR, "%s: no match for [%s] at [%d:%d]\n",
__func__, po->str.c_str(), po->orig_line, po->orig_col);
return(NULL);
}
if ((paren_close != NULL) && (po != paren_close))
{
if ((flags != 0) ||
(parent_all && (parenttype != CT_NONE)))
{
for (pc = chunk_get_next(po, CNAV_PREPROC);
pc != paren_close;
pc = chunk_get_next(pc, CNAV_PREPROC))
{
pc->flags |= flags;
if (parent_all)
{
pc->parent_type = parenttype;
}
}
}
if (opentype != CT_NONE)
{
po->type = opentype;
paren_close->type = (c_token_t)(opentype + 1);
}
if (parenttype != CT_NONE)
{
po->parent_type = parenttype;
paren_close->parent_type = parenttype;
}
}
return(chunk_get_next_ncnl(paren_close, CNAV_PREPROC));
}
/**
* Sets the parent of the open paren/brace/square/angle and the closing.
* Note - it is assumed that pc really does point to an open item and the
* close must be open + 1.
*
* @param start The open paren
* @param parent The type to assign as the parent
* @reutrn The chunk after the close paren
*/
chunk_t *set_paren_parent(chunk_t *start, c_token_t parent)
{
chunk_t *end;
end = chunk_skip_to_match(start, CNAV_PREPROC);
if (end != NULL)
{
start->parent_type = parent;
end->parent_type = parent;
}
return(chunk_get_next_ncnl(end, CNAV_PREPROC));
}
/* Scan backwards to see if we might be on a type declaration */
static bool chunk_ends_type(chunk_t *pc)
{
bool ret = false;
for (/* nada */; pc != NULL; pc = chunk_get_prev_ncnl(pc))
{
LOG_FMT(LFTYPE, "%s: [%s] %s flags %" PRIx64 " on line %d, col %d\n",
__func__, get_token_name(pc->type), pc->str.c_str(),
pc->flags, pc->orig_line, pc->orig_col);
if ((pc->type == CT_WORD) ||
(pc->type == CT_TYPE) ||
(pc->type == CT_STRUCT) ||
(pc->type == CT_DC_MEMBER) ||
(pc->type == CT_QUALIFIER))
{
continue;
}
if (chunk_is_semicolon(pc) ||
(pc->type == CT_BRACE_OPEN) ||
(pc->type == CT_BRACE_CLOSE))
{
ret = true;
}
break;
}
if (pc == NULL)
{
/* first token */
ret = true;
}
LOG_FMT(LFTYPE, "%s verdict: %s\n", __func__, ret ? "yes" : "no");
return(ret);
}
/**
* This is called on every chunk.
* First on all non-preprocessor chunks and then on each preprocessor chunk.
* It does all the detection and classifying.
*/
void do_symbol_check(chunk_t *prev, chunk_t *pc, chunk_t *next)
{
chunk_t *tmp;
// LOG_FMT(LSYS, " %3d > ['%s' %s] ['%s' %s] ['%s' %s]\n",
// pc->orig_line,
// prev->str.c_str(), get_token_name(prev->type),
// pc->str.c_str(), get_token_name(pc->type),
// next->str.c_str(), get_token_name(next->type));
/* D stuff */
if ((cpd.lang_flags & LANG_D) &&
(pc->type == CT_QUALIFIER) &&
chunk_is_str(pc, "const", 5) &&
(next->type == CT_PAREN_OPEN))
{
pc->type = CT_D_CAST;
set_paren_parent(next, pc->type);
}
if ((next->type == CT_PAREN_OPEN) &&
((pc->type == CT_D_CAST) ||
(pc->type == CT_DELEGATE) ||
(pc->type == CT_ALIGN)))
{
/* mark the parenthesis parent */
tmp = set_paren_parent(next, pc->type);
/* For a D cast - convert the next item */
if ((pc->type == CT_D_CAST) && (tmp != NULL))
{
if (tmp->type == CT_STAR)
{
tmp->type = CT_DEREF;
}
else if (tmp->type == CT_AMP)
{
tmp->type = CT_ADDR;
}
else if (tmp->type == CT_MINUS)
{
tmp->type = CT_NEG;
}
else if (tmp->type == CT_PLUS)
{
tmp->type = CT_POS;
}
}
/* For a delegate, mark previous words as types and the item after the
* close paren as a variable def
*/
if (pc->type == CT_DELEGATE)
{
if (tmp != NULL)
{
tmp->parent_type = CT_DELEGATE;
if (tmp->level == tmp->brace_level)
{
tmp->flags |= PCF_VAR_1ST_DEF;
}
}
for (tmp = chunk_get_prev_ncnl(pc); tmp != NULL; tmp = chunk_get_prev_ncnl(tmp))
{
if (chunk_is_semicolon(tmp) ||
(tmp->type == CT_BRACE_OPEN) ||
(tmp->type == CT_VBRACE_OPEN))
{
break;
}
make_type(tmp);
}
}
if ((pc->type == CT_ALIGN) && (tmp != NULL))
{
if (tmp->type == CT_BRACE_OPEN)
{
set_paren_parent(tmp, pc->type);
}
else if (tmp->type == CT_COLON)
{
tmp->parent_type = pc->type;
}
}
} /* paren open + cast/align/delegate */
if (pc->type == CT_INVARIANT)
{
if (next->type == CT_PAREN_OPEN)
{
next->parent_type = pc->type;
tmp = chunk_get_next(next);
while (tmp != NULL)
{
if (tmp->type == CT_PAREN_CLOSE)
{
tmp->parent_type = pc->type;
break;
}
make_type(tmp);
tmp = chunk_get_next(tmp);
}
}
else
{
pc->type = CT_QUALIFIER;
}
}
/* Objective C stuff */
if (cpd.lang_flags & LANG_OC)
{
/* Check for message declarations */
if (pc->flags & PCF_STMT_START)
{
if ((chunk_is_str(pc, "-", 1) || chunk_is_str(pc, "+", 1)) &&
chunk_is_str(next, "(", 1))
{
handle_oc_message_decl(pc);
}
}
if (pc->flags & PCF_EXPR_START)
{
if (pc->type == CT_SQUARE_OPEN)
{
handle_oc_message_send(pc);
}
}
if ((pc->type == CT_OC_BLOCK_CARET) &&
(pc->parent_type != CT_OC_MSG_SPEC) &&
(pc->parent_type != CT_OC_MSG_DECL))
{
handle_oc_block(pc);
}
}
/* C# stuff */
if (cpd.lang_flags & LANG_CS)
{
/* '[assembly: xxx]' stuff */
if ((pc->flags & PCF_EXPR_START) &&
(pc->type == CT_SQUARE_OPEN))
{
handle_cs_square_stmt(pc);
}
if ((next != NULL) && (next->type == CT_BRACE_OPEN) &&
(next->parent_type == CT_NONE) &&
((pc->type == CT_SQUARE_CLOSE) ||
(pc->type == CT_WORD)))
{
handle_cs_property(next);
}
}
if ((pc->type == CT_ASSIGN) && (next->type == CT_SQUARE_OPEN))
{
set_paren_parent(next, CT_ASSIGN);
/* Mark one-liner assignment */
tmp = next;
while ((tmp = chunk_get_next_nc(tmp)) != NULL)
{
if (chunk_is_newline(tmp))
{
break;
}
if ((tmp->type == CT_SQUARE_CLOSE) && (next->level == tmp->level))
{
tmp->flags |= PCF_ONE_LINER;
next->flags |= PCF_ONE_LINER;
break;
}
}
}
if (pc->type == CT_ASSERT)
{
handle_java_assert(pc);
}
/* A [] in C# and D only follows a type */
if ((pc->type == CT_TSQUARE) &&
((cpd.lang_flags & (LANG_D | LANG_CS | LANG_VALA)) != 0))
{
if ((prev != NULL) && (prev->type == CT_WORD))
{
prev->type = CT_TYPE;
}
if ((next != NULL) && (next->type == CT_WORD))
{
next->flags |= PCF_VAR_1ST_DEF;
}
}
if ((pc->type == CT_SQL_EXEC) ||
(pc->type == CT_SQL_BEGIN) ||
(pc->type == CT_SQL_END))
{
mark_exec_sql(pc);
}
if ((pc->type == CT_FUNC_WRAP) ||
(pc->type == CT_TYPE_WRAP))
{
handle_wrap(pc);
next = chunk_get_next_ncnl(pc);
}
/* Handle the typedef */
if (pc->type == CT_TYPEDEF)
{
fix_typedef(pc);
}
if ((pc->type == CT_ENUM) ||
(pc->type == CT_STRUCT) ||
(pc->type == CT_UNION))
{
if (prev->type != CT_TYPEDEF)
{
fix_enum_struct_union(pc);
}
}
if (pc->type == CT_EXTERN)
{
tmp = chunk_get_next_type(next, CT_BRACE_OPEN, next->level);
if (tmp != NULL)
{
set_paren_parent(tmp, CT_EXTERN);
}
}
if (pc->type == CT_TEMPLATE)
{
handle_template(pc);
}
if ((pc->type == CT_WORD) &&
(next->type == CT_ANGLE_OPEN) &&
(next->parent_type == CT_TEMPLATE))
{
mark_template_func(pc, next);
}
if ((pc->type == CT_SQUARE_CLOSE) &&
(next->type == CT_PAREN_OPEN))
{
flag_parens(next, 0, CT_FPAREN_OPEN, CT_NONE, false);
}
if (pc->type == CT_TYPE_CAST)
{
fix_type_cast(pc);
}
if (pc->type == CT_ASSIGN)
{
mark_lvalue(pc);
}
if ((pc->parent_type == CT_ASSIGN) &&
((pc->type == CT_BRACE_OPEN) ||
(pc->type == CT_SQUARE_OPEN)))
{
/* Mark everything in here as in assign */
flag_parens(pc, PCF_IN_ARRAY_ASSIGN, pc->type, CT_NONE, false);
}
if (pc->type == CT_D_TEMPLATE)
{
set_paren_parent(next, pc->type);
}
/**
* A word before an open paren is a function call or definition.
* CT_WORD => CT_FUNC_CALL or CT_FUNC_DEF
*/
if ((next->type == CT_PAREN_OPEN) &&
(next->next != NULL) && (next->next->type != CT_OC_BLOCK_CARET))
{
if ((pc->type == CT_WORD) || (pc->type == CT_OPERATOR_VAL))
{
pc->type = CT_FUNCTION;
}
else if (pc->type == CT_TYPE)
{
/**
* If we are on a type, then we are either on a C++ style cast, a
* function or we are on a function type.
* The only way to tell for sure is to find the close paren and see
* if it is followed by an open paren.
* "int(5.6)"
* "int()"
* "int(foo)(void)"
*
* FIXME: this check can be done better...
*/
tmp = chunk_get_next_type(next, CT_PAREN_CLOSE, next->level);
tmp = chunk_get_next(tmp);
if ((tmp != NULL) && (tmp->type == CT_PAREN_OPEN))
{
/* we have "TYPE(...)(" */
pc->type = CT_FUNCTION;
}
else
{
if ((pc->parent_type == CT_NONE) &&
((pc->flags & PCF_IN_TYPEDEF) == 0))
{
tmp = chunk_get_next_ncnl(next);
if ((tmp != NULL) && (tmp->type == CT_PAREN_CLOSE))
{
/* we have TYPE() */
pc->type = CT_FUNCTION;
}
else
{
/* we have TYPE(...) */
pc->type = CT_CPP_CAST;
set_paren_parent(next, CT_CPP_CAST);
}
}
}
}
else if (pc->type == CT_ATTRIBUTE)
{
flag_parens(next, 0, CT_FPAREN_OPEN, CT_ATTRIBUTE, false);
}
}
if ((cpd.lang_flags & LANG_PAWN) != 0)
{
if ((pc->type == CT_FUNCTION) && (pc->brace_level > 0))
{
pc->type = CT_FUNC_CALL;
}
if ((pc->type == CT_STATE) &&
(next != NULL) &&
(next->type == CT_PAREN_OPEN))
{
set_paren_parent(next, pc->type);
}
}
else
{
if ((pc->type == CT_FUNCTION) && !is_oc_block(pc))
{
mark_function(pc);
}
}
/* Detect C99 member stuff */
if ((pc->type == CT_MEMBER) &&
((prev->type == CT_COMMA) ||
(prev->type == CT_BRACE_OPEN)))
{
pc->type = CT_C99_MEMBER;
next->parent_type = CT_C99_MEMBER;
}
/* Mark function parens and braces */
if ((pc->type == CT_FUNC_DEF) ||
(pc->type == CT_FUNC_CALL) ||
(pc->type == CT_FUNC_CALL_USER) ||
(pc->type == CT_FUNC_PROTO))
{
tmp = next;
if (tmp->type == CT_SQUARE_OPEN)
{
tmp = set_paren_parent(tmp, pc->type);
}
else if ((tmp->type == CT_TSQUARE) ||
(tmp->parent_type == CT_OPERATOR))
{
tmp = chunk_get_next_ncnl(tmp);
}
tmp = flag_parens(tmp, 0, CT_FPAREN_OPEN, pc->type, false);
if (tmp != NULL)
{
if (tmp->type == CT_BRACE_OPEN)
{
if ((pc->flags & PCF_IN_CONST_ARGS) == 0)
{
set_paren_parent(tmp, pc->type);
}
}
else if (chunk_is_semicolon(tmp) && (pc->type == CT_FUNC_PROTO))
{
tmp->parent_type = pc->type;
}
}
}
/* Mark the parameters in catch() */
if ((pc->type == CT_CATCH) && (next->type == CT_SPAREN_OPEN))
{
fix_fcn_def_params(next);
}
if ((pc->type == CT_THROW) && (prev->type == CT_FPAREN_CLOSE))
{
pc->parent_type = prev->parent_type;
if (next->type == CT_PAREN_OPEN)
{
set_paren_parent(next, CT_THROW);
}
}
/* Mark the braces in: "for_each_entry(xxx) { }" */
if ((pc->type == CT_BRACE_OPEN) &&
(prev->type == CT_FPAREN_CLOSE) &&
((prev->parent_type == CT_FUNC_CALL) ||
(prev->parent_type == CT_FUNC_CALL_USER)) &&
((pc->flags & PCF_IN_CONST_ARGS) == 0))
{
set_paren_parent(pc, CT_FUNC_CALL);
}
/* Check for a close paren followed by an open paren, which means that
* we are on a function type declaration (C/C++ only?).
* Note that typedefs are already taken care of.
*/
if ((next != NULL) &&
((pc->flags & (PCF_IN_TYPEDEF | PCF_IN_TEMPLATE)) == 0) &&
(pc->parent_type != CT_CPP_CAST) &&
(pc->parent_type != CT_C_CAST) &&
((pc->flags & PCF_IN_PREPROC) == 0) &&
(!is_oc_block(pc)) &&
(pc->parent_type != CT_OC_MSG_DECL) &&
(pc->parent_type != CT_OC_MSG_SPEC) &&
chunk_is_str(pc, ")", 1) &&
chunk_is_str(next, "(", 1))
{
if ((cpd.lang_flags & LANG_D) != 0)
{
flag_parens(next, 0, CT_FPAREN_OPEN, CT_FUNC_CALL, false);
}
else
{
mark_function_type(pc);
}
}
if (((pc->type == CT_CLASS) ||
(pc->type == CT_STRUCT)) &&
(pc->level == pc->brace_level))
{
if ((pc->type != CT_STRUCT) || ((cpd.lang_flags & LANG_C) == 0))
{
mark_class_ctor(pc);
}
}
if (pc->type == CT_OC_CLASS)
{
handle_oc_class(pc);
}
if (pc->type == CT_NAMESPACE)
{
mark_namespace(pc);
}
/*TODO: Check for stuff that can only occur at the start of an statement */
if ((cpd.lang_flags & LANG_D) == 0)
{
/**
* Check a paren pair to see if it is a cast.
* Note that SPAREN and FPAREN have already been marked.
*/
if ((pc->type == CT_PAREN_OPEN) &&
((pc->parent_type == CT_NONE) ||
(pc->parent_type == CT_OC_MSG) ||
(pc->parent_type == CT_OC_BLOCK_EXPR)) &&
((next->type == CT_WORD) ||
(next->type == CT_TYPE) ||
(next->type == CT_STRUCT) ||
(next->type == CT_QUALIFIER) ||
(next->type == CT_MEMBER) ||
(next->type == CT_DC_MEMBER) ||
(next->type == CT_ENUM) ||
(next->type == CT_UNION)) &&
(prev->type != CT_SIZEOF) &&
(prev->parent_type != CT_OPERATOR) &&
((pc->flags & PCF_IN_TYPEDEF) == 0))
{
fix_casts(pc);
}
}
/* Check for stuff that can only occur at the start of an expression */
if ((pc->flags & PCF_EXPR_START) != 0)
{
/* Change STAR, MINUS, and PLUS in the easy cases */
if (pc->type == CT_STAR)
{
pc->type = (prev->type == CT_ANGLE_CLOSE) ? CT_PTR_TYPE : CT_DEREF;
}
if (pc->type == CT_MINUS)
{
pc->type = CT_NEG;
}
if (pc->type == CT_PLUS)
{
pc->type = CT_POS;
}
if (pc->type == CT_INCDEC_AFTER)
{
pc->type = CT_INCDEC_BEFORE;
//fprintf(stderr, "%s: %d> changed INCDEC_AFTER to INCDEC_BEFORE\n", __func__, pc->orig_line);
}
if (pc->type == CT_AMP)
{
//fprintf(stderr, "Changed AMP to ADDR on line %d\n", pc->orig_line);
pc->type = CT_ADDR;
}
}
/* Detect a variable definition that starts with struct/enum/union */
if (((pc->flags & PCF_IN_TYPEDEF) == 0) &&
(prev->parent_type != CT_CPP_CAST) &&
((prev->flags & PCF_IN_FCN_DEF) == 0) &&
((pc->type == CT_STRUCT) ||
(pc->type == CT_UNION) ||
(pc->type == CT_ENUM)))
{
tmp = next;
if (tmp->type == CT_TYPE)
{
tmp = chunk_get_next_ncnl(tmp);
}
if ((tmp != NULL) && (tmp->type == CT_BRACE_OPEN))
{
tmp = chunk_skip_to_match(tmp);
tmp = chunk_get_next_ncnl(tmp);
}
if ((tmp != NULL) && (chunk_is_star(tmp) || (tmp->type == CT_WORD)))
{
mark_variable_definition(tmp);
}
}
/**
* Change the paren pair after a function/macrofunc.
* CT_PAREN_OPEN => CT_FPAREN_OPEN
*/
if (pc->type == CT_MACRO_FUNC)
{
flag_parens(next, PCF_IN_FCN_CALL, CT_FPAREN_OPEN, CT_MACRO_FUNC, false);
}
if ((pc->type == CT_MACRO_OPEN) ||
(pc->type == CT_MACRO_ELSE) ||
(pc->type == CT_MACRO_CLOSE))
{
if (next->type == CT_PAREN_OPEN)
{
flag_parens(next, 0, CT_FPAREN_OPEN, pc->type, false);
}
}
if ((pc->type == CT_DELETE) && (next->type == CT_TSQUARE))
{
next->parent_type = CT_DELETE;
}
/* Change CT_STAR to CT_PTR_TYPE or CT_ARITH or CT_DEREF */
if (pc->type == CT_STAR)
{
if (chunk_is_paren_close(next))
{
pc->type = CT_PTR_TYPE;
}
else if ((cpd.lang_flags & LANG_OC) && (next->type == CT_STAR))
{
/* Change pointer-to-pointer types in OC_MSG_DECLs
* from ARITH <===> DEREF to PTR_TYPE <===> PTR_TYPE */
pc->type = CT_PTR_TYPE;
pc->parent_type = prev->parent_type;
next->type = CT_PTR_TYPE;
next->parent_type = pc->parent_type;
}
else if ((prev->type == CT_SIZEOF) || (prev->type == CT_DELETE))
{
pc->type = CT_DEREF;
}
else if (((prev->type == CT_WORD) && chunk_ends_type(prev)) ||
(prev->type == CT_DC_MEMBER) || (prev->type == CT_PTR_TYPE))
{
pc->type = CT_PTR_TYPE;
}
else if (next->type == CT_SQUARE_OPEN)
{
pc->type = CT_PTR_TYPE;
}
else
{
/* most PCF_PUNCTUATOR chunks except a paren close would make this
* a deref. A paren close may end a cast or may be part of a macro fcn.
*/
pc->type = ((prev->flags & PCF_PUNCTUATOR) &&
(!chunk_is_paren_close(prev) ||
(prev->parent_type == CT_MACRO_FUNC)) &&
(prev->type != CT_SQUARE_CLOSE) &&
(prev->type != CT_DC_MEMBER)) ? CT_DEREF : CT_ARITH;
}
}
if (pc->type == CT_AMP)
{
if (prev->type == CT_DELETE)
{
pc->type = CT_ADDR;
}
else if (prev->type == CT_TYPE)
{
pc->type = CT_BYREF;
}
else
{
pc->type = CT_ARITH;
if (prev->type == CT_WORD)
{
tmp = chunk_get_prev_ncnl(prev);
if ((tmp != NULL) &&
(chunk_is_semicolon(tmp) ||
(tmp->type == CT_BRACE_OPEN) ||
(tmp->type == CT_QUALIFIER)))
{
prev->type = CT_TYPE;
pc->type = CT_ADDR;
next->flags |= PCF_VAR_1ST;
}
}
}
}
if ((pc->type == CT_MINUS) ||
(pc->type == CT_PLUS))
{
if ((prev->type == CT_POS) || (prev->type == CT_NEG))
{
pc->type = (pc->type == CT_MINUS) ? CT_NEG : CT_POS;
}
else if (prev->type == CT_OC_CLASS)
{
pc->type = (pc->type == CT_MINUS) ? CT_NEG : CT_POS;
}
else
{
pc->type = CT_ARITH;
}
}
}
/**
* Change CT_INCDEC_AFTER + WORD to CT_INCDEC_BEFORE
* Change number/word + CT_ADDR to CT_ARITH
* Change number/word + CT_STAR to CT_ARITH
* Change number/word + CT_NEG to CT_ARITH
* Change word + ( to a CT_FUNCTION
* Cahnge struct/union/enum + CT_WORD => CT_TYPE
* Force parens on return.
*
* TODO: This could be done earlier.
*
* Patterns detected:
* STRUCT/ENUM/UNION + WORD :: WORD => TYPE
* WORD + '(' :: WORD => FUNCTION
*/
void fix_symbols(void)
{
chunk_t *pc;
chunk_t *next;
chunk_t *prev;
chunk_t dummy;
mark_define_expressions();
//memset(&dummy, 0, sizeof(dummy));
pc = chunk_get_head();
if (chunk_is_newline(pc) || chunk_is_comment(pc))
{
pc = chunk_get_next_ncnl(pc);
}
while (pc != NULL)
{
prev = chunk_get_prev_ncnl(pc, CNAV_PREPROC);
if (prev == NULL)
{
prev = &dummy;
}
next = chunk_get_next_ncnl(pc, CNAV_PREPROC);
if (next == NULL)
{
next = &dummy;
}
do_symbol_check(prev, pc, next);
pc = chunk_get_next_ncnl(pc);
}
pawn_add_virtual_semicolons();
process_returns();
/**
* 2nd pass - handle variable definitions
* REVISIT: We need function params marked to do this (?)
*/
pc = chunk_get_head();
int square_level = -1;
while (pc != NULL)
{
/* Can't have a variable definition inside [ ] */
if (square_level < 0)
{
if (pc->type == CT_SQUARE_OPEN)
{
square_level = pc->level;
}
}
else
{
if (pc->level <= square_level)
{
square_level = -1;
}
}
/**
* A variable definition is possible after at the start of a statement
* that starts with: QUALIFIER, TYPE, or WORD
*/
if ((square_level < 0) &&
((pc->flags & PCF_STMT_START) != 0) &&
((pc->type == CT_QUALIFIER) ||
(pc->type == CT_TYPE) ||
(pc->type == CT_WORD)) &&
(pc->parent_type != CT_ENUM) &&
((pc->flags & PCF_IN_ENUM) == 0))
{
pc = fix_var_def(pc);
}
else
{
pc = chunk_get_next_ncnl(pc);
}
}
}
/* Just hit an assign. Go backwards until we hit an open brace/paren/square or
* semicolon (TODO: other limiter?) and mark as a LValue.
*/
static void mark_lvalue(chunk_t *pc)
{
chunk_t *prev;
if ((pc->flags & PCF_IN_PREPROC) != 0)
{
return;
}
for (prev = chunk_get_prev_ncnl(pc);
prev != NULL;
prev = chunk_get_prev_ncnl(prev))
{
if ((prev->level < pc->level) ||
(prev->type == CT_ASSIGN) ||
(prev->type == CT_COMMA) ||
(prev->type == CT_BOOL) ||
chunk_is_semicolon(prev) ||
chunk_is_str(prev, "(", 1) ||
chunk_is_str(prev, "{", 1) ||
chunk_is_str(prev, "[", 1) ||
(prev->flags & PCF_IN_PREPROC))
{
break;
}
prev->flags |= PCF_LVALUE;